include/functions.php

   1 <?php
   2         date_default_timezone_set('UTC');
   3         if (defined('E_DEPRECATED')) {
   4                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
   5         } else {
   6                 error_reporting(E_ALL & ~E_NOTICE);
   7         }
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         define('THEME_VERSION_REQUIRED', 1.1);
  18
  19         /**
  20          * Return available translations names.
  21          *
  22          * @access public
  23          * @return array A array of available translations.
  24          */
  25         function get_translations() {
  26                 $tr = array(
  27                                         "auto"  => "Detect automatically",
  28                                         "ca_CA" => "Català",
  29                                         "en_US" => "English",
  30                                         "es_ES" => "Español",
  31                                         "de_DE" => "Deutsch",
  32                                         "fr_FR" => "Français",
  33                                         "hu_HU" => "Magyar (Hungarian)",
  34                                         "it_IT" => "Italiano",
  35                                         "ja_JP" => "日本語 (Japanese)",
  36                                         "nb_NO" => "Norwegian bokmål",
  37                                         "ru_RU" => "Русский",
  38                                         "pt_BR" => "Portuguese/Brazil",
  39                                         "zh_CN" => "Simplified Chinese");
  40
  41                 return $tr;
  42         }
  43
  44         require_once "lib/accept-to-gettext.php";
  45         require_once "lib/gettext/gettext.inc";
  46
  47         function startup_gettext() {
  48
  49                 # Get locale from Accept-Language header
  50                 $lang = al2gt(array_keys(get_translations()), "text/html");
  51
  52                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  53                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  54                 }
  55
  56                 if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  57                         $lang = $_COOKIE["ttrss_lang"];
  58                 }
  59
  60                 /* In login action of mobile version */
  61                 if ($_POST["language"] && defined('MOBILE_VERSION')) {
  62                         $lang = $_POST["language"];
  63                         $_COOKIE["ttrss_lang"] = $lang;
  64                 }
  65
  66                 if ($lang) {
  67                         if (defined('LC_MESSAGES')) {
  68                                 _setlocale(LC_MESSAGES, $lang);
  69                         } else if (defined('LC_ALL')) {
  70                                 _setlocale(LC_ALL, $lang);
  71                         }
  72
  73                         if (defined('MOBILE_VERSION')) {
  74                                 _bindtextdomain("messages", "../locale");
  75                         } else {
  76                                 _bindtextdomain("messages", "locale");
  77                         }
  78
  79                         _textdomain("messages");
  80                         _bind_textdomain_codeset("messages", "UTF-8");
  81                 }
  82         }
  83
  84         startup_gettext();
  85
  86         if (defined('MEMCACHE_SERVER')) {
  87                 $memcache = new Memcache;
  88                 $memcache->connect(MEMCACHE_SERVER, 11211);
  89         }
  90
  91         require_once 'db-prefs.php';
  92         require_once 'version.php';
  93
  94         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  95
  96         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
  97         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
  98
  99         ini_set('user_agent', SELF_USER_AGENT);
 100
 101         require_once 'lib/pubsubhubbub/publisher.php';
 102
 103         $purifier = false;
 104
 105         $tz_offset = -1;
 106         $utc_tz = new DateTimeZone('UTC');
 107         $schema_version = false;
 108
 109         /**
 110          * Print a timestamped debug message.
 111          *
 112          * @param string $msg The debug message.
 113          * @return void
 114          */
 115         function _debug($msg) {
 116                 $ts = strftime("%H:%M:%S", time());
 117                 if (function_exists('posix_getpid')) {
 118                         $ts = "$ts/" . posix_getpid();
 119                 }
 120                 print "[$ts] $msg\n";
 121         } // function _debug
 122
 123         /**
 124          * Purge a feed old posts.
 125          *
 126          * @param mixed $link A database connection.
 127          * @param mixed $feed_id The id of the purged feed.
 128          * @param mixed $purge_interval Olderness of purged posts.
 129          * @param boolean $debug Set to True to enable the debug. False by default.
 130          * @access public
 131          * @return void
 132          */
 133         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 134
 135                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 136
 137                 $rows = -1;
 138
 139                 $result = db_query($link,
 140                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 141
 142                 $owner_uid = false;
 143
 144                 if (db_num_rows($result) == 1) {
 145                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 146                 }
 147
 148                 if ($purge_interval == -1 || !$purge_interval) {
 149                         if ($owner_uid) {
 150                                 ccache_update($link, $feed_id, $owner_uid);
 151                         }
 152                         return;
 153                 }
 154
 155                 if (!$owner_uid) return;
 156
 157                 if (FORCE_ARTICLE_PURGE == 0) {
 158                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 159                                 $owner_uid, false);
 160                 } else {
 161                         $purge_unread = true;
 162                         $purge_interval = FORCE_ARTICLE_PURGE;
 163                 }
 164
 165                 if (!$purge_unread) $query_limit = " unread = false AND ";
 166
 167                 if (DB_TYPE == "pgsql") {
 168                         $pg_version = get_pgsql_version($link);
 169
 170                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 171
 172                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 173                                         ttrss_entries.id = ref_id AND
 174                                         marked = false AND
 175                                         feed_id = '$feed_id' AND
 176                                         $query_limit
 177                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 178
 179                         } else {
 180
 181                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 182                                         USING ttrss_entries
 183                                         WHERE ttrss_entries.id = ref_id AND
 184                                         marked = false AND
 185                                         feed_id = '$feed_id' AND
 186                                         $query_limit
 187                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 188                         }
 189
 190                         $rows = pg_affected_rows($result);
 191
 192                 } else {
 193
 194 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 195                                 marked = false AND feed_id = '$feed_id' AND
 196                                 (SELECT date_updated FROM ttrss_entries WHERE
 197                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 198
 199                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 200                                 USING ttrss_user_entries, ttrss_entries
 201                                 WHERE ttrss_entries.id = ref_id AND
 202                                 marked = false AND
 203                                 feed_id = '$feed_id' AND
 204                                 $query_limit
 205                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 206
 207                         $rows = mysql_affected_rows($link);
 208
 209                 }
 210
 211                 ccache_update($link, $feed_id, $owner_uid);
 212
 213                 if ($debug) {
 214                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 215                 }
 216         } // function purge_feed
 217
 218         function feed_purge_interval($link, $feed_id) {
 219
 220                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 221                         WHERE id = '$feed_id'");
 222
 223                 if (db_num_rows($result) == 1) {
 224                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 225                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 226
 227                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 228                                 'PURGE_OLD_DAYS', $owner_uid);
 229
 230                         return $purge_interval;
 231
 232                 } else {
 233                         return -1;
 234                 }
 235         }
 236
 237         function purge_orphans($link, $do_output = false) {
 238
 239                 // purge orphaned posts in main content table
 240                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 241                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 242
 243                 if ($do_output) {
 244                         $rows = db_affected_rows($link, $result);
 245                         _debug("Purged $rows orphaned posts.");
 246                 }
 247         }
 248
 249         function get_feed_update_interval($link, $feed_id) {
 250                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 251                         ttrss_feeds WHERE id = '$feed_id'");
 252
 253                 if (db_num_rows($result) == 1) {
 254                         $update_interval = db_fetch_result($result, 0, "update_interval");
 255                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 256
 257                         if ($update_interval != 0) {
 258                                 return $update_interval;
 259                         } else {
 260                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 261                         }
 262
 263                 } else {
 264                         return -1;
 265                 }
 266         }
 267
 268         function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
 269                 $login = urlencode($login);
 270                 $pass = urlencode($pass);
 271
 272                 if (function_exists('curl_init') && !ini_get("open_basedir")) {
 273                         $ch = curl_init($url);
 274
 275                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 276                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 277                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 278                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 279                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 280                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 281                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 282                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 283                         curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
 284                         curl_setopt($ch, CURLOPT_ENCODING , "gzip");
 285
 286                         if ($post_query) {
 287                                 curl_setopt($ch, CURLOPT_POST, true);
 288                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 289                         }
 290
 291                         if ($login && $pass)
 292                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 293
 294                         $contents = @curl_exec($ch);
 295
 296                         if ($contents === false) {
 297                                 curl_close($ch);
 298                                 return false;
 299                         }
 300
 301                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 302                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 303                         curl_close($ch);
 304
 305                         if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
 306                                 return false;
 307                         }
 308
 309                         return $contents;
 310                 } else {
 311                         if ($login && $pass ){
 312                                 $url_parts = array();
 313
 314                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 315
 316                                 if ($url_parts[1] && $url_parts[2]) {
 317                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 318                                 }
 319                         }
 320
 321                         return @file_get_contents($url);
 322                 }
 323
 324         }
 325
 326         /**
 327          * Try to determine the favicon URL for a feed.
 328          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 329          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 330          *
 331          * @param string $url A feed or page URL
 332          * @access public
 333          * @return mixed The favicon URL, or false if none was found.
 334          */
 335         function get_favicon_url($url) {
 336
 337                 $favicon_url = false;
 338
 339                 if ($html = @fetch_file_contents($url)) {
 340
 341                         libxml_use_internal_errors(true);
 342
 343                         $doc = new DOMDocument();
 344                         $doc->loadHTML($html);
 345                         $xpath = new DOMXPath($doc);
 346
 347                         $base = $xpath->query('/html/head/base');
 348                         foreach ($base as $b) {
 349                                 $url = $b->getAttribute("href");
 350                                 break;
 351                         }
 352
 353                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 354                         if (count($entries) > 0) {
 355                                 foreach ($entries as $entry) {
 356                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 357                                         break;
 358                                 }
 359                         }
 360                 }
 361
 362                 if (!$favicon_url)
 363                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 364
 365                 return $favicon_url;
 366         } // function get_favicon_url
 367
 368         function check_feed_favicon($site_url, $feed, $link) {
 369 #               print "FAVICON [$site_url]: $favicon_url\n";
 370
 371                 $icon_file = ICONS_DIR . "/$feed.ico";
 372
 373                 if (!file_exists($icon_file)) {
 374                         $favicon_url = get_favicon_url($site_url);
 375
 376                         if ($favicon_url) {
 377                                 $contents = fetch_file_contents($favicon_url, "image");
 378
 379                                 if ($contents) {
 380                                         $fp = @fopen($icon_file, "w");
 381
 382                                         if ($fp) {
 383                                                 fwrite($fp, $contents);
 384                                                 fclose($fp);
 385                                                 chmod($icon_file, 0644);
 386                                         }
 387                                 }
 388                         }
 389                 }
 390         }
 391
 392         function print_select($id, $default, $values, $attributes = "") {
 393                 print "<select name=\"$id\" id=\"$id\" $attributes>";
 394                 foreach ($values as $v) {
 395                         if ($v == $default)
 396                                 $sel = "selected=\"1\"";
 397                          else
 398                                 $sel = "";
 399
 400                         print "<option value=\"$v\" $sel>$v</option>";
 401                 }
 402                 print "</select>";
 403         }
 404
 405         function print_select_hash($id, $default, $values, $attributes = "") {
 406                 print "<select name=\"$id\" id='$id' $attributes>";
 407                 foreach (array_keys($values) as $v) {
 408                         if ($v == $default)
 409                                 $sel = 'selected="selected"';
 410                          else
 411                                 $sel = "";
 412
 413                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 414                 }
 415
 416                 print "</select>";
 417         }
 418
 419         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
 420                 $matches = array();
 421
 422                 if ($filters["title"]) {
 423                         foreach ($filters["title"] as $filter) {
 424                                 $reg_exp = $filter["reg_exp"];
 425                                 $inverse = $filter["inverse"];
 426                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
 427                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
 428
 429                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 430                                 }
 431                         }
 432                 }
 433
 434                 if ($filters["content"]) {
 435                         foreach ($filters["content"] as $filter) {
 436                                 $reg_exp = $filter["reg_exp"];
 437                                 $inverse = $filter["inverse"];
 438
 439                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
 440                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
 441
 442                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 443                                 }
 444                         }
 445                 }
 446
 447                 if ($filters["both"]) {
 448                         foreach ($filters["both"] as $filter) {
 449                                 $reg_exp = $filter["reg_exp"];
 450                                 $inverse = $filter["inverse"];
 451
 452                                 if ($inverse) {
 453                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
 454                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
 455                                         }
 456                                 } else {
 457                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
 458                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
 459                                         }
 460                                 }
 461                         }
 462                 }
 463
 464                 if ($filters["link"]) {
 465                         $reg_exp = $filter["reg_exp"];
 466                         foreach ($filters["link"] as $filter) {
 467                                 $reg_exp = $filter["reg_exp"];
 468                                 $inverse = $filter["inverse"];
 469
 470                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
 471                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
 472
 473                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 474                                 }
 475                         }
 476                 }
 477
 478                 if ($filters["date"]) {
 479                         $reg_exp = $filter["reg_exp"];
 480                         foreach ($filters["date"] as $filter) {
 481                                 $date_modifier = $filter["filter_param"];
 482                                 $inverse = $filter["inverse"];
 483                                 $check_timestamp = strtotime($filter["reg_exp"]);
 484
 485                                 # no-op when timestamp doesn't parse to prevent misfires
 486
 487                                 if ($check_timestamp) {
 488                                         $match_ok = false;
 489
 490                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
 491                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
 492                                                         $match_ok = true;
 493                                         }
 494
 495                                         if ($inverse) $match_ok = !$match_ok;
 496
 497                                         if ($match_ok) {
 498                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
 499                                         }
 500                                 }
 501                         }
 502                 }
 503
 504                 if ($filters["author"]) {
 505                         foreach ($filters["author"] as $filter) {
 506                                 $reg_exp = $filter["reg_exp"];
 507                                 $inverse = $filter["inverse"];
 508                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
 509                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
 510
 511                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 512                                 }
 513                         }
 514                 }
 515
 516                 if ($filters["tag"]) {
 517
 518                         $tag_string = join(",", $tags);
 519
 520                         foreach ($filters["tag"] as $filter) {
 521                                 $reg_exp = $filter["reg_exp"];
 522                                 $inverse = $filter["inverse"];
 523
 524                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
 525                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
 526
 527                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 528                                 }
 529                         }
 530                 }
 531
 532
 533                 return $matches;
 534         }
 535
 536         function find_article_filter($filters, $filter_name) {
 537                 foreach ($filters as $f) {
 538                         if ($f[0] == $filter_name) {
 539                                 return $f;
 540                         };
 541                 }
 542                 return false;
 543         }
 544
 545         function calculate_article_score($filters) {
 546                 $score = 0;
 547
 548                 foreach ($filters as $f) {
 549                         if ($f[0] == "score") {
 550                                 $score += $f[1];
 551                         };
 552                 }
 553                 return $score;
 554         }
 555
 556         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
 557                 foreach ($filters as $f) {
 558                         if ($f[0] == "label") {
 559                                 label_add_article($link, $id, $f[1], $owner_uid);
 560                         };
 561                 }
 562         }
 563
 564         function getmicrotime() {
 565                 list($usec, $sec) = explode(" ",microtime());
 566                 return ((float)$usec + (float)$sec);
 567         }
 568
 569         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 570                 foreach ($values as $v) {
 571
 572                         if ($v == $default)
 573                                 $sel = "checked";
 574                          else
 575                                 $sel = "";
 576
 577                         if ($v == $true_is) {
 578                                 $sel .= " value=\"1\"";
 579                         } else {
 580                                 $sel .= " value=\"0\"";
 581                         }
 582
 583                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 584                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 585
 586                 }
 587         }
 588
 589         function initialize_user_prefs($link, $uid, $profile = false) {
 590
 591                 $uid = db_escape_string($uid);
 592
 593                 if (!$profile) {
 594                         $profile = "NULL";
 595                         $profile_qpart = "AND profile IS NULL";
 596                 } else {
 597                         $profile_qpart = "AND profile = '$profile'";
 598                 }
 599
 600                 if (get_schema_version($link) < 63) $profile_qpart = "";
 601
 602                 db_query($link, "BEGIN");
 603
 604                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
 605
 606                 $u_result = db_query($link, "SELECT pref_name
 607                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 608
 609                 $active_prefs = array();
 610
 611                 while ($line = db_fetch_assoc($u_result)) {
 612                         array_push($active_prefs, $line["pref_name"]);
 613                 }
 614
 615                 while ($line = db_fetch_assoc($result)) {
 616                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 617 //                              print "adding " . $line["pref_name"] . "<br>";
 618
 619                                 if (get_schema_version($link) < 63) {
 620                                         db_query($link, "INSERT INTO ttrss_user_prefs
 621                                                 (owner_uid,pref_name,value) VALUES
 622                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 623
 624                                 } else {
 625                                         db_query($link, "INSERT INTO ttrss_user_prefs
 626                                                 (owner_uid,pref_name,value, profile) VALUES
 627                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 628                                 }
 629
 630                         }
 631                 }
 632
 633                 db_query($link, "COMMIT");
 634
 635         }
 636
 637         function get_ssl_certificate_id() {
 638                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 639                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 640                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 641                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 642                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 643                 }
 644                 return "";
 645         }
 646
 647         function get_login_by_ssl_certificate($link) {
 648
 649                 $cert_serial = db_escape_string(get_ssl_certificate_id());
 650
 651                 if ($cert_serial) {
 652                         $result = db_query($link, "SELECT login FROM ttrss_user_prefs, ttrss_users
 653                                 WHERE pref_name = 'SSL_CERT_SERIAL' AND value = '$cert_serial' AND
 654                                 owner_uid = ttrss_users.id");
 655
 656                         if (db_num_rows($result) != 0) {
 657                                 return db_escape_string(db_fetch_result($result, 0, "login"));
 658                         }
 659                 }
 660
 661                 return "";
 662         }
 663
 664         function get_remote_user($link) {
 665
 666                 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH) {
 667                         return db_escape_string($_SERVER["REMOTE_USER"]);
 668                 }
 669
 670                 return db_escape_string(get_login_by_ssl_certificate($link));
 671         }
 672
 673         function get_remote_fakepass($link) {
 674                 if (get_remote_user($link))
 675                         return "******";
 676                 else
 677                         return "";
 678         }
 679
 680         function authenticate_user($link, $login, $password, $force_auth = false) {
 681
 682                 if (!SINGLE_USER_MODE) {
 683
 684                         $pwd_hash1 = encrypt_password($password);
 685                         $pwd_hash2 = encrypt_password($password, $login);
 686                         $login = db_escape_string($login);
 687
 688                         $remote_user = get_remote_user($link);
 689
 690                         if ($remote_user && $remote_user == $login && $login != "admin") {
 691
 692                                 $login = $remote_user;
 693
 694                                 $query = "SELECT id,login,access_level,pwd_hash
 695                     FROM ttrss_users WHERE
 696                                         login = '$login'";
 697
 698                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER
 699                                                 && $_SERVER["REMOTE_USER"]) {
 700                                         $result = db_query($link, $query);
 701
 702                                         // First login ?
 703                                         if (db_num_rows($result) == 0) {
 704                                                 $query2 = "INSERT INTO ttrss_users
 705                                                                 (login,access_level,last_login,created)
 706                                                                 VALUES ('$login', 0, null, NOW())";
 707                                                 db_query($link, $query2);
 708                                         }
 709                                 }
 710
 711                         } else {
 712                                 $query = "SELECT id,login,access_level,pwd_hash
 713                     FROM ttrss_users WHERE
 714                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
 715                                                 pwd_hash = '$pwd_hash2')";
 716                         }
 717
 718                         $result = db_query($link, $query);
 719
 720                         if (db_num_rows($result) == 1) {
 721                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
 722                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 723                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 724
 725                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 726                                         $_SESSION["uid"]);
 727
 728
 729                                 // LemonLDAP can send user informations via HTTP HEADER
 730                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER){
 731                                         // update user name
 732                                         $fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
 733                                         if ($fullname){
 734                                                 $fullname = db_escape_string($fullname);
 735                                                 db_query($link, "UPDATE ttrss_users SET full_name = '$fullname' WHERE id = " .
 736                                                         $_SESSION["uid"]);
 737                                         }
 738                                         // update user mail
 739                                         $email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
 740                                         if ($email){
 741                                                 $email = db_escape_string($email);
 742                                                 db_query($link, "UPDATE ttrss_users SET email = '$email' WHERE id = " .
 743                                                         $_SESSION["uid"]);
 744                                         }
 745                                 }
 746
 747                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 748                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 749
 750                                 $_SESSION["last_version_check"] = time();
 751
 752                                 initialize_user_prefs($link, $_SESSION["uid"]);
 753
 754                                 return true;
 755                         }
 756
 757                         return false;
 758
 759                 } else {
 760
 761                         $_SESSION["uid"] = 1;
 762                         $_SESSION["name"] = "admin";
 763
 764                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 765
 766                         initialize_user_prefs($link, $_SESSION["uid"]);
 767
 768                         return true;
 769                 }
 770         }
 771
 772         function make_password($length = 8) {
 773
 774                 $password = "";
 775                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 776
 777         $i = 0;
 778
 779                 while ($i < $length) {
 780                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 781
 782                         if (!strstr($password, $char)) {
 783                                 $password .= $char;
 784                                 $i++;
 785                         }
 786                 }
 787                 return $password;
 788         }
 789
 790         // this is called after user is created to initialize default feeds, labels
 791         // or whatever else
 792
 793         // user preferences are checked on every login, not here
 794
 795         function initialize_user($link, $uid) {
 796
 797                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
 798                         values ('$uid', 'Tiny Tiny RSS: New Releases',
 799                         'http://tt-rss.org/releases.rss')");
 800
 801                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
 802                         values ('$uid', 'Tiny Tiny RSS: Forum',
 803                                 'http://tt-rss.org/forum/rss.php')");
 804         }
 805
 806         function logout_user() {
 807                 session_destroy();
 808                 if (isset($_COOKIE[session_name()])) {
 809                    setcookie(session_name(), '', time()-42000, '/');
 810                 }
 811         }
 812
 813         function validate_session($link) {
 814                 if (SINGLE_USER_MODE) return true;
 815
 816                 $check_ip = $_SESSION['ip_address'];
 817
 818                 switch (SESSION_CHECK_ADDRESS) {
 819                 case 0:
 820                         $check_ip = '';
 821                         break;
 822                 case 1:
 823                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
 824                         break;
 825                 case 2:
 826                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
 827                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
 828                         break;
 829                 };
 830
 831                 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
 832                         $_SESSION["login_error_msg"] =
 833                                 __("Session failed to validate (incorrect IP)");
 834                         return false;
 835                 }
 836
 837                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
 838                         return false;
 839
 840                 if ($_SESSION["uid"]) {
 841
 842                         $result = db_query($link,
 843                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
 844
 845                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
 846
 847                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
 848                                 return false;
 849                         }
 850                 }
 851
 852 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
 853
 854                         //print_r($_SESSION);
 855
 856                         if (time() > $_SESSION["cookie_lifetime"]) {
 857                                 return false;
 858                         }
 859                 } */
 860
 861                 return true;
 862         }
 863
 864         function login_sequence($link, $mobile = false) {
 865                 $_SESSION["prefs_cache"] = array();
 866
 867                 if (!SINGLE_USER_MODE) {
 868
 869                         $login_action = $_POST["login_action"];
 870
 871                         # try to authenticate user if called from login form
 872                         if ($login_action == "do_login") {
 873                                 $login = db_escape_string($_POST["login"]);
 874                                 $password = $_POST["password"];
 875                                 $remember_me = $_POST["remember_me"];
 876
 877                                 if (authenticate_user($link, $login, $password)) {
 878                                         $_POST["password"] = "";
 879
 880                                         $_SESSION["language"] = $_POST["language"];
 881                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
 882                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 883
 884                                         if ($_POST["profile"]) {
 885
 886                                                 $profile = db_escape_string($_POST["profile"]);
 887
 888                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
 889                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 890
 891                                                 if (db_num_rows($result) != 0) {
 892                                                         $_SESSION["profile"] = $profile;
 893                                                         $_SESSION["prefs_cache"] = array();
 894                                                 }
 895                                         }
 896
 897                                         if ($_REQUEST['return']) {
 898                                                 header("Location: " . $_REQUEST['return']);
 899                                         } else {
 900                                                 header("Location: " . $_SERVER["REQUEST_URI"]);
 901                                         }
 902
 903                                         exit;
 904
 905                                         return;
 906                                 } else {
 907                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
 908                                 }
 909                         }
 910
 911                         if (!$_SESSION["uid"] || !validate_session($link)) {
 912
 913                                 if (get_remote_user($link) && AUTO_LOGIN) {
 914                                     authenticate_user($link, get_remote_user($link), null);
 915                                     $_SESSION["ref_schema_version"] = get_schema_version($link, true);
 916                                 } else {
 917                                     render_login_form($link, $mobile);
 918                                     //header("Location: login.php");
 919                                     exit;
 920                                 }
 921                         } else {
 922                                 /* bump login timestamp */
 923                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 924                                         $_SESSION["uid"]);
 925
 926                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
 927                                         setcookie("ttrss_lang", $_SESSION["language"],
 928                                                 time() + SESSION_COOKIE_LIFETIME);
 929                                 }
 930
 931                                 // try to remove possible duplicates from feed counter cache
 932 //                              ccache_cleanup($link, $_SESSION["uid"]);
 933                         }
 934
 935                 } else {
 936                         return authenticate_user($link, "admin", null);
 937                 }
 938         }
 939
 940         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 941                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
 942                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 943                 } else {
 944                         return $str;
 945                 }
 946         }
 947
 948         function theme_image($link, $filename) {
 949                 if ($link) {
 950                         $theme_path = get_user_theme_path($link);
 951
 952                         if ($theme_path && is_file($theme_path.$filename)) {
 953                                 return $theme_path.$filename;
 954                         } else {
 955                                 return $filename;
 956                         }
 957                 } else {
 958                         return $filename;
 959                 }
 960         }
 961
 962         function get_user_theme($link) {
 963
 964                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
 965                         $theme_name = get_pref($link, "_THEME_ID");
 966                         if (is_dir("themes/$theme_name")) {
 967                                 return $theme_name;
 968                         } else {
 969                                 return '';
 970                         }
 971                 } else {
 972                         return '';
 973                 }
 974
 975         }
 976
 977         function get_user_theme_path($link) {
 978                 $theme_path = '';
 979
 980                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
 981                         $theme_name = get_pref($link, "_THEME_ID");
 982
 983                         if ($theme_name && is_dir("themes/$theme_name")) {
 984                                 $theme_path = "themes/$theme_name/";
 985                         } else {
 986                                 $theme_name = '';
 987                         }
 988                 } else {
 989                         $theme_path = '';
 990                 }
 991
 992                 if ($theme_path) {
 993                         if (is_file("$theme_path/theme.ini")) {
 994                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
 995                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
 996                                         return $theme_path;
 997                                 }
 998                         }
 999                 }
1000                 return '';
1001         }
1002
1003         function get_user_theme_options($link) {
1004                 $t = get_user_theme_path($link);
1005
1006                 if ($t) {
1007                         if (is_file("$t/theme.ini")) {
1008                                 $ini = parse_ini_file("$t/theme.ini", true);
1009                                 if ($ini['theme']['version']) {
1010                                         return $ini['theme']['options'];
1011                                 }
1012                         }
1013                 }
1014                 return '';
1015         }
1016
1017         function print_theme_includes($link) {
1018
1019                 $t = get_user_theme_path($link);
1020                 $time = time();
1021
1022                 if ($t) {
1023                         print "<link rel=\"stylesheet\" type=\"text/css\"
1024                                 href=\"$t/theme.css?$time \">";
1025                         if (file_exists("$t/theme.js")) {
1026                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
1027                                         </script>";
1028                         }
1029                 }
1030         }
1031
1032         function get_all_themes() {
1033                 $themes = glob("themes/*");
1034
1035                 asort($themes);
1036
1037                 $rv = array();
1038
1039                 foreach ($themes as $t) {
1040                         if (is_file("$t/theme.ini")) {
1041                                 $ini = parse_ini_file("$t/theme.ini", true);
1042                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
1043                                                         !$ini['theme']['disabled']) {
1044                                         $entry = array();
1045                                         $entry["path"] = $t;
1046                                         $entry["base"] = basename($t);
1047                                         $entry["name"] = $ini['theme']['name'];
1048                                         $entry["version"] = $ini['theme']['version'];
1049                                         $entry["author"] = $ini['theme']['author'];
1050                                         $entry["options"] = $ini['theme']['options'];
1051                                         array_push($rv, $entry);
1052                                 }
1053                         }
1054                 }
1055
1056                 return $rv;
1057         }
1058
1059         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
1060
1061                 try {
1062                         $source_tz = new DateTimeZone($source_tz);
1063                 } catch (Exception $e) {
1064                         $source_tz = new DateTimeZone('UTC');
1065                 }
1066
1067                 try {
1068                         $dest_tz = new DateTimeZone($dest_tz);
1069                 } catch (Exception $e) {
1070                         $dest_tz = new DateTimeZone('UTC');
1071                 }
1072
1073                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
1074                 return $dt->format('U') + $dest_tz->getOffset($dt);
1075         }
1076
1077         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
1078                                         $no_smart_dt = false) {
1079
1080                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1081                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
1082
1083                 global $utc_tz;
1084                 global $tz_offset;
1085
1086                 # We store date in UTC internally
1087                 $dt = new DateTime($timestamp, $utc_tz);
1088
1089                 if ($tz_offset == -1) {
1090
1091                         $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
1092
1093                         try {
1094                                 $user_tz = new DateTimeZone($user_tz_string);
1095                         } catch (Exception $e) {
1096                                 $user_tz = $utc_tz;
1097                         }
1098
1099                         $tz_offset = $user_tz->getOffset($dt);
1100                 }
1101
1102                 $user_timestamp = $dt->format('U') + $tz_offset;
1103
1104                 if (!$no_smart_dt) {
1105                         return smart_date_time($link, $user_timestamp,
1106                                 $tz_offset, $owner_uid);
1107                 } else {
1108                         if ($long)
1109                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1110                         else
1111                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1112
1113                         return date($format, $user_timestamp);
1114                 }
1115         }
1116
1117         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
1118                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1119
1120                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
1121                         return date("G:i", $timestamp);
1122                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
1123                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1124                         return date($format, $timestamp);
1125                 } else {
1126                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1127                         return date($format, $timestamp);
1128                 }
1129         }
1130
1131         function sql_bool_to_bool($s) {
1132                 if ($s == "t" || $s == "1" || $s == "true") {
1133                         return true;
1134                 } else {
1135                         return false;
1136                 }
1137         }
1138
1139         function bool_to_sql_bool($s) {
1140                 if ($s) {
1141                         return "true";
1142                 } else {
1143                         return "false";
1144                 }
1145         }
1146
1147         // Session caching removed due to causing wrong redirects to upgrade
1148         // script when get_schema_version() is called on an obsolete session
1149         // created on a previous schema version.
1150         function get_schema_version($link, $nocache = false) {
1151                 global $schema_version;
1152
1153                 if (!$schema_version) {
1154                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1155                         $version = db_fetch_result($result, 0, "schema_version");
1156                         $schema_version = $version;
1157                         return $version;
1158                 } else {
1159                         return $schema_version;
1160                 }
1161         }
1162
1163         function sanity_check($link) {
1164                 require_once 'errors.php';
1165
1166                 $error_code = 0;
1167                 $schema_version = get_schema_version($link, true);
1168
1169                 if ($schema_version != SCHEMA_VERSION) {
1170                         $error_code = 5;
1171                 }
1172
1173                 if (DB_TYPE == "mysql") {
1174                         $result = db_query($link, "SELECT true", false);
1175                         if (db_num_rows($result) != 1) {
1176                                 $error_code = 10;
1177                         }
1178                 }
1179
1180                 if (db_escape_string("testTEST") != "testTEST") {
1181                         $error_code = 12;
1182                 }
1183
1184                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1185         }
1186
1187         function file_is_locked($filename) {
1188                 if (function_exists('flock')) {
1189                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1190                         if ($fp) {
1191                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1192                                         flock($fp, LOCK_UN);
1193                                         fclose($fp);
1194                                         return false;
1195                                 }
1196                                 fclose($fp);
1197                                 return true;
1198                         } else {
1199                                 return false;
1200                         }
1201                 }
1202                 return true; // consider the file always locked and skip the test
1203         }
1204
1205         function make_lockfile($filename) {
1206                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1207
1208                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1209                         if (function_exists('posix_getpid')) {
1210                                 fwrite($fp, posix_getpid() . "\n");
1211                         }
1212                         return $fp;
1213                 } else {
1214                         return false;
1215                 }
1216         }
1217
1218         function make_stampfile($filename) {
1219                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1220
1221                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1222                         fwrite($fp, time() . "\n");
1223                         flock($fp, LOCK_UN);
1224                         fclose($fp);
1225                         return true;
1226                 } else {
1227                         return false;
1228                 }
1229         }
1230
1231         function sql_random_function() {
1232                 if (DB_TYPE == "mysql") {
1233                         return "RAND()";
1234                 } else {
1235                         return "RANDOM()";
1236                 }
1237         }
1238
1239         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
1240
1241                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1242
1243                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1244
1245                         if (is_numeric($feed)) {
1246                                 if ($cat_view) {
1247
1248                                         if ($feed >= 0) {
1249
1250                                                 if ($feed > 0) {
1251                                                         $cat_qpart = "cat_id = '$feed'";
1252                                                 } else {
1253                                                         $cat_qpart = "cat_id IS NULL";
1254                                                 }
1255
1256                                                 $tmp_result = db_query($link, "SELECT id
1257                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
1258
1259                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1260
1261                                                         $tmp_feed = $tmp_line["id"];
1262
1263                                                         db_query($link, "UPDATE ttrss_user_entries
1264                                                                 SET unread = false,last_read = NOW()
1265                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
1266                                                 }
1267                                         } else if ($feed == -2) {
1268
1269                                                 db_query($link, "UPDATE ttrss_user_entries
1270                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1271                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1272                                                         AND unread = true AND owner_uid = $owner_uid");
1273                                         }
1274
1275                                 } else if ($feed > 0) {
1276
1277                                         db_query($link, "UPDATE ttrss_user_entries
1278                                                         SET unread = false,last_read = NOW()
1279                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
1280
1281                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1282
1283                                         if ($feed == -1) {
1284                                                 db_query($link, "UPDATE ttrss_user_entries
1285                                                         SET unread = false,last_read = NOW()
1286                                                         WHERE marked = true AND owner_uid = $owner_uid");
1287                                         }
1288
1289                                         if ($feed == -2) {
1290                                                 db_query($link, "UPDATE ttrss_user_entries
1291                                                         SET unread = false,last_read = NOW()
1292                                                         WHERE published = true AND owner_uid = $owner_uid");
1293                                         }
1294
1295                                         if ($feed == -3) {
1296
1297                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1298
1299                                                 if (DB_TYPE == "pgsql") {
1300                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
1301                                                 } else {
1302                                                         $match_part = "updated > DATE_SUB(NOW(),
1303                                                                 INTERVAL $intl HOUR) ";
1304                                                 }
1305
1306                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
1307                                                         ttrss_user_entries WHERE $match_part AND
1308                                                         unread = true AND
1309                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1310                                                         owner_uid = $owner_uid");
1311
1312                                                 $affected_ids = array();
1313
1314                                                 while ($line = db_fetch_assoc($result)) {
1315                                                         array_push($affected_ids, $line["id"]);
1316                                                 }
1317
1318                                                 catchupArticlesById($link, $affected_ids, 0);
1319                                         }
1320
1321                                         if ($feed == -4) {
1322                                                 db_query($link, "UPDATE ttrss_user_entries
1323                                                         SET unread = false,last_read = NOW()
1324                                                         WHERE owner_uid = $owner_uid");
1325                                         }
1326
1327                                 } else if ($feed < -10) { // label
1328
1329                                         $label_id = -$feed - 11;
1330
1331                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
1332                                                 SET unread = false, last_read = NOW()
1333                                                         WHERE label_id = '$label_id' AND unread = true
1334                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
1335
1336                                 }
1337
1338                                 ccache_update($link, $feed, $owner_uid, $cat_view);
1339
1340                         } else { // tag
1341                                 db_query($link, "BEGIN");
1342
1343                                 $tag_name = db_escape_string($feed);
1344
1345                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1346                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
1347
1348                                 while ($line = db_fetch_assoc($result)) {
1349                                         db_query($link, "UPDATE ttrss_user_entries SET
1350                                                 unread = false, last_read = NOW()
1351                                                 WHERE int_id = " . $line["post_int_id"]);
1352                                 }
1353                                 db_query($link, "COMMIT");
1354                         }
1355         }
1356
1357         function getAllCounters($link, $omode = "flc", $active_feed = false) {
1358
1359                 if (!$omode) $omode = "flc";
1360
1361                 $data = getGlobalCounters($link);
1362
1363                 $data = array_merge($data, getVirtCounters($link));
1364
1365                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
1366                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
1367                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
1368                 if (strchr($omode, "c")) $data = array_merge($data, getCategoryCounters($link));
1369
1370                 return $data;
1371         }
1372
1373         function getCategoryCounters($link) {
1374                 $ret_arr = array();
1375
1376                 /* Labels category */
1377
1378                 $cv = array("id" => -2, "kind" => "cat",
1379                         "counter" => getCategoryUnread($link, -2));
1380
1381                 array_push($ret_arr, $cv);
1382
1383                 $age_qpart = getMaxAgeSubquery();
1384
1385                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
1386                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1387                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1388                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1389
1390                 while ($line = db_fetch_assoc($result)) {
1391                         $line["cat_id"] = (int) $line["cat_id"];
1392
1393                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1394                                 "counter" => $line["unread"]);
1395
1396                         array_push($ret_arr, $cv);
1397                 }
1398
1399                 /* Special case: NULL category doesn't actually exist in the DB */
1400
1401                 $cv = array("id" => 0, "kind" => "cat",
1402                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
1403
1404                 array_push($ret_arr, $cv);
1405
1406                 return $ret_arr;
1407         }
1408
1409         function getCategoryUnread($link, $cat, $owner_uid = false) {
1410
1411                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1412
1413                 if ($cat >= 0) {
1414
1415                         if ($cat != 0) {
1416                                 $cat_query = "cat_id = '$cat'";
1417                         } else {
1418                                 $cat_query = "cat_id IS NULL";
1419                         }
1420
1421                         $age_qpart = getMaxAgeSubquery();
1422
1423                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1424                                         AND owner_uid = " . $owner_uid);
1425
1426                         $cat_feeds = array();
1427                         while ($line = db_fetch_assoc($result)) {
1428                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1429                         }
1430
1431                         if (count($cat_feeds) == 0) return 0;
1432
1433                         $match_part = implode(" OR ", $cat_feeds);
1434
1435                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
1436                                 FROM ttrss_user_entries,ttrss_entries
1437                                 WHERE   unread = true AND ($match_part) AND id = ref_id
1438                                 AND $age_qpart AND owner_uid = " . $owner_uid);
1439
1440                         $unread = 0;
1441
1442                         # this needs to be rewritten
1443                         while ($line = db_fetch_assoc($result)) {
1444                                 $unread += $line["unread"];
1445                         }
1446
1447                         return $unread;
1448                 } else if ($cat == -1) {
1449                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1450                 } else if ($cat == -2) {
1451
1452                         $result = db_query($link, "
1453                                 SELECT COUNT(unread) AS unread FROM
1454                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
1455                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
1456                                         ttrss_labels2.owner_uid = '$owner_uid'
1457                                         AND unread = true AND feed_id = ttrss_feeds.id
1458                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1459
1460                         $unread = db_fetch_result($result, 0, "unread");
1461
1462                         return $unread;
1463
1464                 }
1465         }
1466
1467         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
1468                 if (DB_TYPE == "pgsql") {
1469                         return "ttrss_entries.date_updated >
1470                                 NOW() - INTERVAL '$days days'";
1471                 } else {
1472                         return "ttrss_entries.date_updated >
1473                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
1474                 }
1475         }
1476
1477         function getFeedUnread($link, $feed, $is_cat = false) {
1478                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
1479         }
1480
1481         function getLabelUnread($link, $label_id, $owner_uid = false) {
1482                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1483
1484                 $result = db_query($link, "
1485                         SELECT COUNT(unread) AS unread FROM
1486                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
1487                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
1488                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
1489                                 AND unread = true AND feed_id = ttrss_feeds.id
1490                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1491
1492                 if (db_num_rows($result) != 0) {
1493                         return db_fetch_result($result, 0, "unread");
1494                 } else {
1495                         return 0;
1496                 }
1497         }
1498
1499         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
1500                 $owner_uid = false) {
1501
1502                 $n_feed = (int) $feed;
1503
1504                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1505
1506                 if ($unread_only) {
1507                         $unread_qpart = "unread = true";
1508                 } else {
1509                         $unread_qpart = "true";
1510                 }
1511
1512                 $age_qpart = getMaxAgeSubquery();
1513
1514                 if ($is_cat) {
1515                         return getCategoryUnread($link, $n_feed, $owner_uid);
1516                 } if ($feed != "0" && $n_feed == 0) {
1517
1518                         $feed = db_escape_string($feed);
1519
1520                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
1521                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1522                                         AND ref_id = id AND $age_qpart
1523                                         AND $unread_qpart)) AS count FROM ttrss_tags
1524                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1525                         return db_fetch_result($result, 0, "count");
1526
1527                 } else if ($n_feed == -1) {
1528                         $match_part = "marked = true";
1529                 } else if ($n_feed == -2) {
1530                         $match_part = "published = true";
1531                 } else if ($n_feed == -3) {
1532                         $match_part = "unread = true AND score >= 0";
1533
1534                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
1535
1536                         if (DB_TYPE == "pgsql") {
1537                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1538                         } else {
1539                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1540                         }
1541                 } else if ($n_feed == -4) {
1542                         $match_part = "true";
1543                 } else if ($n_feed >= 0) {
1544
1545                         if ($n_feed != 0) {
1546                                 $match_part = "feed_id = '$n_feed'";
1547                         } else {
1548                                 $match_part = "feed_id IS NULL";
1549                         }
1550
1551                 } else if ($feed < -10) {
1552
1553                         $label_id = -$feed - 11;
1554
1555                         return getLabelUnread($link, $label_id, $owner_uid);
1556
1557                 }
1558
1559                 if ($match_part) {
1560
1561                         if ($n_feed != 0) {
1562                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
1563                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
1564                         } else {
1565                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1566                                 $feeds_qpart = '';
1567                         }
1568
1569                         $query = "SELECT count(int_id) AS unread
1570                                 FROM $from_qpart WHERE
1571                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
1572                                 $age_qpart AND
1573                                 $feeds_qpart
1574                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1575
1576                         $result = db_query($link, $query);
1577
1578                 } else {
1579
1580                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1581                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1582                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1583                                 AND $unread_qpart AND $age_qpart AND
1584                                         ttrss_tags.owner_uid = " . $owner_uid);
1585                 }
1586
1587                 $unread = db_fetch_result($result, 0, "unread");
1588
1589                 return $unread;
1590         }
1591
1592         function getGlobalUnread($link, $user_id = false) {
1593
1594                 if (!$user_id) {
1595                         $user_id = $_SESSION["uid"];
1596                 }
1597
1598                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1599                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1600
1601                 $c_id = db_fetch_result($result, 0, "c_id");
1602
1603                 return $c_id;
1604         }
1605
1606         function getGlobalCounters($link, $global_unread = -1) {
1607                 $ret_arr = array();
1608
1609                 if ($global_unread == -1) {
1610                         $global_unread = getGlobalUnread($link);
1611                 }
1612
1613                 $cv = array("id" => "global-unread",
1614                         "counter" => $global_unread);
1615
1616                 array_push($ret_arr, $cv);
1617
1618                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1619                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1620
1621                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1622
1623                 $cv = array("id" => "subscribed-feeds",
1624                         "counter" => $subscribed_feeds);
1625
1626                 array_push($ret_arr, $cv);
1627
1628                 return $ret_arr;
1629         }
1630
1631         function getTagCounters($link) {
1632
1633                 $ret_arr = array();
1634
1635                 $age_qpart = getMaxAgeSubquery();
1636
1637                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1638                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1639                                 AND ref_id = id AND $age_qpart
1640                                 AND unread = true)) AS count FROM ttrss_tags
1641                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
1642                                 ORDER BY count DESC LIMIT 55");
1643
1644                 $tags = array();
1645
1646                 while ($line = db_fetch_assoc($result)) {
1647                         $tags[$line["tag_name"]] += $line["count"];
1648                 }
1649
1650                 foreach (array_keys($tags) as $tag) {
1651                         $unread = $tags[$tag];
1652                         $tag = htmlspecialchars($tag);
1653
1654                         $cv = array("id" => $tag,
1655                                 "kind" => "tag",
1656                                 "counter" => $unread);
1657
1658                         array_push($ret_arr, $cv);
1659                 }
1660
1661                 return $ret_arr;
1662         }
1663
1664         function getVirtCounters($link) {
1665
1666                 $ret_arr = array();
1667
1668                 for ($i = 0; $i >= -4; $i--) {
1669
1670                         $count = getFeedUnread($link, $i);
1671
1672                         $cv = array("id" => $i,
1673                                 "counter" => $count);
1674
1675 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
1676 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
1677
1678                         array_push($ret_arr, $cv);
1679                 }
1680
1681                 return $ret_arr;
1682         }
1683
1684         function getLabelCounters($link, $descriptions = false) {
1685
1686                 $ret_arr = array();
1687
1688                 $age_qpart = getMaxAgeSubquery();
1689
1690                 $owner_uid = $_SESSION["uid"];
1691
1692                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
1693                         WHERE owner_uid = '$owner_uid'");
1694
1695                 while ($line = db_fetch_assoc($result)) {
1696
1697                         $id = -$line["id"] - 11;
1698
1699                         $label_name = $line["caption"];
1700                         $count = getFeedUnread($link, $id);
1701
1702                         $cv = array("id" => $id,
1703                                 "counter" => $count);
1704
1705                         if ($descriptions)
1706                                 $cv["description"] = $label_name;
1707
1708 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
1709 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1710
1711                         array_push($ret_arr, $cv);
1712                 }
1713
1714                 return $ret_arr;
1715         }
1716
1717         function getFeedCounters($link, $active_feed = false) {
1718
1719                 $ret_arr = array();
1720
1721                 $age_qpart = getMaxAgeSubquery();
1722
1723                 $query = "SELECT ttrss_feeds.id,
1724                                 ttrss_feeds.title,
1725                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1726                                 last_error, value AS count
1727                         FROM ttrss_feeds, ttrss_counters_cache
1728                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1729                                 AND ttrss_counters_cache.feed_id = id";
1730
1731                 $result = db_query($link, $query);
1732                 $fctrs_modified = false;
1733
1734                 while ($line = db_fetch_assoc($result)) {
1735
1736                         $id = $line["id"];
1737                         $count = $line["count"];
1738                         $last_error = htmlspecialchars($line["last_error"]);
1739
1740                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
1741
1742                         $has_img = feed_has_icon($id);
1743
1744                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1745                                 $last_updated = '';
1746
1747                         $cv = array("id" => $id,
1748                                 "updated" => $last_updated,
1749                                 "counter" => $count,
1750                                 "has_img" => (int) $has_img);
1751
1752                         if ($last_error)
1753                                 $cv["error"] = $last_error;
1754
1755 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
1756 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1757
1758                         if ($active_feed && $id == $active_feed)
1759                                 $cv["title"] = truncate_string($line["title"], 30);
1760
1761                         array_push($ret_arr, $cv);
1762
1763                 }
1764
1765                 return $ret_arr;
1766         }
1767
1768         function get_pgsql_version($link) {
1769                 $result = db_query($link, "SELECT version() AS version");
1770                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1771                 return $version[1];
1772         }
1773
1774         /**
1775          * Subscribes the user to the given feed
1776          *
1777          * @param resource $link       Database connection
1778          * @param string   $url        Feed URL to subscribe to
1779          * @param integer  $cat_id     Category ID the feed shall be added to
1780          * @param string   $auth_login (optional) Feed username
1781          * @param string   $auth_pass  (optional) Feed password
1782          *
1783          * @return integer Status code:
1784          *                 0 - OK, Feed already exists
1785          *                 1 - OK, Feed added
1786          *                 2 - Invalid URL
1787          *                 3 - URL content is HTML, no feeds available
1788          *                 4 - URL content is HTML which contains multiple feeds.
1789          *                     Here you should call extractfeedurls in rpc-backend
1790          *                     to get all possible feeds.
1791          *                 5 - Couldn't download the URL content.
1792          */
1793         function subscribe_to_feed($link, $url, $cat_id = 0,
1794                         $auth_login = '', $auth_pass = '') {
1795
1796                 require_once "include/rssfuncs.php";
1797
1798                 $url = fix_url($url);
1799
1800                 if (!$url || !validate_feed_url($url)) return 2;
1801
1802                 $update_method = 0;
1803
1804                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
1805                         WHERE id = ".$_SESSION['uid']);
1806
1807                 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
1808
1809                 if (!$has_oauth || strpos($url, '://api.twitter.com') === false) {
1810                         if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
1811
1812                         if (url_is_html($url, $auth_login, $auth_pass)) {
1813                                 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
1814                                 if (count($feedUrls) == 0) {
1815                                         return 3;
1816                                 } else if (count($feedUrls) > 1) {
1817                                         return 4;
1818                                 }
1819                                 //use feed url as new URL
1820                                 $url = key($feedUrls);
1821                         }
1822
1823                         } else {
1824                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
1825                                         return 5;
1826
1827                                 $update_method = 3;
1828                         }
1829                 if ($cat_id == "0" || !$cat_id) {
1830                         $cat_qpart = "NULL";
1831                 } else {
1832                         $cat_qpart = "'$cat_id'";
1833                 }
1834
1835                 $result = db_query($link,
1836                         "SELECT id FROM ttrss_feeds
1837                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1838
1839                 if (db_num_rows($result) == 0) {
1840                         $result = db_query($link,
1841                                 "INSERT INTO ttrss_feeds
1842                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
1843                                 VALUES ('".$_SESSION["uid"]."', '$url',
1844                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
1845
1846                         $result = db_query($link,
1847                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1848                                         AND owner_uid = " . $_SESSION["uid"]);
1849
1850                         $feed_id = db_fetch_result($result, 0, "id");
1851
1852                         if ($feed_id) {
1853                                 update_rss_feed($link, $feed_id, true);
1854                         }
1855
1856                         return 1;
1857                 } else {
1858                         return 0;
1859                 }
1860         }
1861
1862         function print_feed_select($link, $id, $default_id = "",
1863                 $attributes = "", $include_all_feeds = true) {
1864
1865                 print "<select id=\"$id\" name=\"$id\" $attributes>";
1866                 if ($include_all_feeds) {
1867                         print "<option value=\"0\">".__('All feeds')."</option>";
1868                 }
1869
1870                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1871                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1872
1873                 if (db_num_rows($result) > 0 && $include_all_feeds) {
1874                         print "<option disabled>--------</option>";
1875                 }
1876
1877                 while ($line = db_fetch_assoc($result)) {
1878                         if ($line["id"] == $default_id) {
1879                                 $is_selected = "selected=\"1\"";
1880                         } else {
1881                                 $is_selected = "";
1882                         }
1883
1884                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
1885
1886                         printf("<option $is_selected value='%d'>%s</option>",
1887                                 $line["id"], $title);
1888                 }
1889
1890                 print "</select>";
1891         }
1892
1893         function print_feed_cat_select($link, $id, $default_id = "",
1894                 $attributes = "", $include_all_cats = true) {
1895
1896                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1897
1898                 if ($include_all_cats) {
1899                         print "<option value=\"0\">".__('Uncategorized')."</option>";
1900                 }
1901
1902                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
1903                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1904
1905                 if (db_num_rows($result) > 0 && $include_all_cats) {
1906                         print "<option disabled=\"1\">--------</option>";
1907                 }
1908
1909                 while ($line = db_fetch_assoc($result)) {
1910                         if ($line["id"] == $default_id) {
1911                                 $is_selected = "selected=\"1\"";
1912                         } else {
1913                                 $is_selected = "";
1914                         }
1915
1916                         if ($line["title"])
1917                                 printf("<option $is_selected value='%d'>%s</option>",
1918                                         $line["id"], htmlspecialchars($line["title"]));
1919                 }
1920
1921 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
1922
1923                 print "</select>";
1924         }
1925
1926         function checkbox_to_sql_bool($val) {
1927                 return ($val == "on") ? "true" : "false";
1928         }
1929
1930         function getFeedCatTitle($link, $id) {
1931                 if ($id == -1) {
1932                         return __("Special");
1933                 } else if ($id < -10) {
1934                         return __("Labels");
1935                 } else if ($id > 0) {
1936                         $result = db_query($link, "SELECT ttrss_feed_categories.title
1937                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1938                                         cat_id = ttrss_feed_categories.id");
1939                         if (db_num_rows($result) == 1) {
1940                                 return db_fetch_result($result, 0, "title");
1941                         } else {
1942                                 return __("Uncategorized");
1943                         }
1944                 } else {
1945                         return "getFeedCatTitle($id) failed";
1946                 }
1947
1948         }
1949
1950         function getFeedIcon($id) {
1951                 switch ($id) {
1952                 case 0:
1953                         return "images/archive.png";
1954                         break;
1955                 case -1:
1956                         return "images/mark_set.png";
1957                         break;
1958                 case -2:
1959                         return "images/pub_set.png";
1960                         break;
1961                 case -3:
1962                         return "images/fresh.png";
1963                         break;
1964                 case -4:
1965                         return "images/tag.png";
1966                         break;
1967                 default:
1968                         if ($id < -10) {
1969                                 return "images/label.png";
1970                         } else {
1971                                 if (file_exists(ICONS_DIR . "/$id.ico"))
1972                                         return ICONS_URL . "/$id.ico";
1973                         }
1974                         break;
1975                 }
1976         }
1977
1978         function getFeedTitle($link, $id) {
1979                 if ($id == -1) {
1980                         return __("Starred articles");
1981                 } else if ($id == -2) {
1982                         return __("Published articles");
1983                 } else if ($id == -3) {
1984                         return __("Fresh articles");
1985                 } else if ($id == -4) {
1986                         return __("All articles");
1987                 } else if ($id === 0 || $id === "0") {
1988                         return __("Archived articles");
1989                 } else if ($id < -10) {
1990                         $label_id = -$id - 11;
1991                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1992                         if (db_num_rows($result) == 1) {
1993                                 return db_fetch_result($result, 0, "caption");
1994                         } else {
1995                                 return "Unknown label ($label_id)";
1996                         }
1997
1998                 } else if (is_numeric($id) && $id > 0) {
1999                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2000                         if (db_num_rows($result) == 1) {
2001                                 return db_fetch_result($result, 0, "title");
2002                         } else {
2003                                 return "Unknown feed ($id)";
2004                         }
2005                 } else {
2006                         return $id;
2007                 }
2008         }
2009
2010         function make_init_params($link) {
2011                 $params = array();
2012
2013                 $params["theme"] = get_user_theme($link);
2014                 $params["theme_options"] = get_user_theme_options($link);
2015
2016                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
2017                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
2018                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
2019                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
2020
2021                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
2022                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
2023                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
2024                         "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
2025
2026                                  $params[strtolower($param)] = (int) get_pref($link, $param);
2027                  }
2028
2029                 $params["icons_url"] = ICONS_URL;
2030                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
2031                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
2032                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
2033                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
2034                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2035
2036                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2037                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2038
2039                 $max_feed_id = db_fetch_result($result, 0, "mid");
2040                 $num_feeds = db_fetch_result($result, 0, "nf");
2041
2042                 $params["max_feed_id"] = (int) $max_feed_id;
2043                 $params["num_feeds"] = (int) $num_feeds;
2044
2045                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
2046
2047                 return $params;
2048         }
2049
2050         function make_runtime_info($link) {
2051                 $data = array();
2052
2053                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2054                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2055
2056                 $max_feed_id = db_fetch_result($result, 0, "mid");
2057                 $num_feeds = db_fetch_result($result, 0, "nf");
2058
2059                 $data["max_feed_id"] = (int) $max_feed_id;
2060                 $data["num_feeds"] = (int) $num_feeds;
2061
2062                 $data['last_article_id'] = getLastArticleId($link);
2063                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
2064
2065                 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2066
2067                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2068
2069                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2070
2071                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2072
2073                                 if ($stamp) {
2074                                         $stamp_delta = time() - $stamp;
2075
2076                                         if ($stamp_delta > 1800) {
2077                                                 $stamp_check = 0;
2078                                         } else {
2079                                                 $stamp_check = 1;
2080                                                 $_SESSION["daemon_stamp_check"] = time();
2081                                         }
2082
2083                                         $data['daemon_stamp_ok'] = $stamp_check;
2084
2085                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2086
2087                                         $data['daemon_stamp'] = $stamp_fmt;
2088                                 }
2089                         }
2090                 }
2091
2092                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2093                                 $new_version_details = @check_for_update($link);
2094
2095                                 $data['new_version_available'] = (int) ($new_version_details != false);
2096
2097                                 $_SESSION["last_version_check"] = time();
2098                 }
2099
2100                 return $data;
2101         }
2102
2103         function search_to_sql($link, $search, $match_on) {
2104
2105                 $search_query_part = "";
2106
2107                 $keywords = explode(" ", $search);
2108                 $query_keywords = array();
2109
2110                 foreach ($keywords as $k) {
2111                         if (strpos($k, "-") === 0) {
2112                                 $k = substr($k, 1);
2113                                 $not = "NOT";
2114                         } else {
2115                                 $not = "";
2116                         }
2117
2118                         $commandpair = explode(":", mb_strtolower($k), 2);
2119
2120                         if ($commandpair[0] == "note" && $commandpair[1]) {
2121
2122                                 if ($commandpair[1] == "true")
2123                                         array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2124                                 else
2125                                         array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2126
2127                         } else if ($commandpair[0] == "star" && $commandpair[1]) {
2128
2129                                 if ($commandpair[1] == "true")
2130                                         array_push($query_keywords, "($not (marked = true))");
2131                                 else
2132                                         array_push($query_keywords, "($not (marked = false))");
2133
2134                         } else if ($commandpair[0] == "pub" && $commandpair[1]) {
2135
2136                                 if ($commandpair[1] == "true")
2137                                         array_push($query_keywords, "($not (published = true))");
2138                                 else
2139                                         array_push($query_keywords, "($not (published = false))");
2140
2141                         } else if (strpos($k, "@") === 0) {
2142
2143                                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
2144                                 $orig_ts = strtotime(substr($k, 1));
2145                                 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2146
2147                                 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2148
2149                                 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2150                         } else if ($match_on == "both") {
2151                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2152                                                 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2153                         } else if ($match_on == "title") {
2154                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
2155                         } else if ($match_on == "content") {
2156                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2157                         }
2158                 }
2159
2160                 $search_query_part = implode("AND", $query_keywords);
2161
2162                 return $search_query_part;
2163         }
2164
2165
2166         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0) {
2167
2168                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2169
2170                 $ext_tables_part = "";
2171
2172                         if ($search) {
2173
2174                                 if (SPHINX_ENABLED) {
2175                                         $ids = join(",", @sphinx_search($search, 0, 500));
2176
2177                                         if ($ids)
2178                                                 $search_query_part = "ref_id IN ($ids) AND ";
2179                                         else
2180                                                 $search_query_part = "ref_id = -1 AND ";
2181
2182                                 } else {
2183                                         $search_query_part = search_to_sql($link, $search, $match_on);
2184                                         $search_query_part .= " AND ";
2185                                 }
2186
2187                         } else {
2188                                 $search_query_part = "";
2189                         }
2190
2191                         if ($filter) {
2192                                 $filter_query_part = filter_to_sql($filter);
2193                         } else {
2194                                 $filter_query_part = "";
2195                         }
2196
2197                         if ($since_id) {
2198                                 $since_id_part = "ttrss_entries.id > $since_id AND ";
2199                         } else {
2200                                 $since_id_part = "";
2201                         }
2202
2203                         $view_query_part = "";
2204
2205                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
2206                                 if ($search) {
2207                                         $view_query_part = " ";
2208                                 } else if ($feed != -1) {
2209                                         $unread = getFeedUnread($link, $feed, $cat_view);
2210                                         if ($unread > 0) {
2211                                                 $view_query_part = " unread = true AND ";
2212                                         }
2213                                 }
2214                         }
2215
2216                         if ($view_mode == "marked") {
2217                                 $view_query_part = " marked = true AND ";
2218                         }
2219
2220                         if ($view_mode == "published") {
2221                                 $view_query_part = " published = true AND ";
2222                         }
2223
2224                         if ($view_mode == "unread") {
2225                                 $view_query_part = " unread = true AND ";
2226                         }
2227
2228                         if ($view_mode == "updated") {
2229                                 $view_query_part = " (last_read is null and unread = false) AND ";
2230                         }
2231
2232                         if ($limit > 0) {
2233                                 $limit_query_part = "LIMIT " . $limit;
2234                         }
2235
2236                         $vfeed_query_part = "";
2237
2238                         // override query strategy and enable feed display when searching globally
2239                         if ($search && $search_mode == "all_feeds") {
2240                                 $query_strategy_part = "ttrss_entries.id > 0";
2241                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2242                         /* tags */
2243                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2244                                 $query_strategy_part = "ttrss_entries.id > 0";
2245                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2246                                         id = feed_id) as feed_title,";
2247                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
2248
2249                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2250
2251                                 $tmp_result = false;
2252
2253                                 if ($cat_view) {
2254                                         $tmp_result = db_query($link, "SELECT id
2255                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2256                                 } else {
2257                                         $tmp_result = db_query($link, "SELECT id
2258                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2259                                                         WHERE id = '$feed') AND id != '$feed'");
2260                                 }
2261
2262                                 $cat_siblings = array();
2263
2264                                 if (db_num_rows($tmp_result) > 0) {
2265                                         while ($p = db_fetch_assoc($tmp_result)) {
2266                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2267                                         }
2268
2269                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2270                                                 $feed, implode(" OR ", $cat_siblings));
2271
2272                                 } else {
2273                                         $query_strategy_part = "ttrss_entries.id > 0";
2274                                 }
2275
2276                         } else if ($feed > 0) {
2277
2278                                 if ($cat_view) {
2279
2280                                         if ($feed > 0) {
2281                                                 $query_strategy_part = "cat_id = '$feed'";
2282                                         } else {
2283                                                 $query_strategy_part = "cat_id IS NULL";
2284                                         }
2285
2286                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2287
2288                                 } else {
2289                                         $query_strategy_part = "feed_id = '$feed'";
2290                                 }
2291                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2292                                 $query_strategy_part = "feed_id IS NULL";
2293                         } else if ($feed == 0 && $cat_view) { // uncategorized
2294                                 $query_strategy_part = "cat_id IS NULL";
2295                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2296                         } else if ($feed == -1) { // starred virtual feed
2297                                 $query_strategy_part = "marked = true";
2298                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2299                         } else if ($feed == -2) { // published virtual feed OR labels category
2300
2301                                 if (!$cat_view) {
2302                                         $query_strategy_part = "published = true";
2303                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2304                                 } else {
2305                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2306
2307                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2308
2309                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2310                                                 ttrss_user_labels2.article_id = ref_id";
2311
2312                                 }
2313
2314                         } else if ($feed == -3) { // fresh virtual feed
2315                                 $query_strategy_part = "unread = true AND score >= 0";
2316
2317                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2318
2319                                 if (DB_TYPE == "pgsql") {
2320                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2321                                 } else {
2322                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2323                                 }
2324
2325                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2326                         } else if ($feed == -4) { // all articles virtual feed
2327                                 $query_strategy_part = "true";
2328                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2329                         } else if ($feed <= -10) { // labels
2330                                 $label_id = -$feed - 11;
2331
2332                                 $query_strategy_part = "label_id = '$label_id' AND
2333                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
2334                                         ttrss_user_labels2.article_id = ref_id";
2335
2336                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2337                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2338
2339                         } else {
2340                                 $query_strategy_part = "id > 0"; // dumb
2341                         }
2342
2343                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
2344                                 $date_sort_field = "updated";
2345                         } else {
2346                                 $date_sort_field = "date_entered";
2347                         }
2348
2349                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
2350                                 $order_by = "$date_sort_field";
2351                         } else {
2352                                 $order_by = "$date_sort_field DESC";
2353                         }
2354
2355                         if ($view_mode != "noscores") {
2356                                 $order_by = "score DESC, $order_by";
2357                         }
2358
2359                         if ($override_order) {
2360                                 $order_by = $override_order;
2361                         }
2362
2363                         $feed_title = "";
2364
2365                         if ($search) {
2366                                 $feed_title = "Search results";
2367                         } else {
2368                                 if ($cat_view) {
2369                                         $feed_title = getCategoryTitle($link, $feed);
2370                                 } else {
2371                                         if (is_numeric($feed) && $feed > 0) {
2372                                                 $result = db_query($link, "SELECT title,site_url,last_error
2373                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2374
2375                                                 $feed_title = db_fetch_result($result, 0, "title");
2376                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
2377                                                 $last_error = db_fetch_result($result, 0, "last_error");
2378                                         } else {
2379                                                 $feed_title = getFeedTitle($link, $feed);
2380                                         }
2381                                 }
2382                         }
2383
2384                         $content_query_part = "content as content_preview,";
2385
2386                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2387
2388                                 if ($feed >= 0) {
2389                                         $feed_kind = "Feeds";
2390                                 } else {
2391                                         $feed_kind = "Labels";
2392                                 }
2393
2394                                 if ($limit_query_part) {
2395                                         $offset_query_part = "OFFSET $offset";
2396                                 }
2397
2398                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
2399                                         if (!$override_order) {
2400                                                 $order_by = "ttrss_feeds.title, $order_by";
2401                                         }
2402                                 }
2403
2404                                 if ($feed != "0") {
2405                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2406                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2407
2408                                 } else {
2409                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
2410                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2411                                 }
2412
2413                                 $query = "SELECT DISTINCT
2414                                                 date_entered,
2415                                                 guid,
2416                                                 ttrss_entries.id,ttrss_entries.title,
2417                                                 updated,
2418                                                 label_cache,
2419                                                 tag_cache,
2420                                                 always_display_enclosures,
2421                                                 site_url,
2422                                                 note,
2423                                                 num_comments,
2424                                                 comments,
2425                                                 int_id,
2426                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2427                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
2428                                                 $vfeed_query_part
2429                                                 $content_query_part
2430                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
2431                                                 author,score
2432                                         FROM
2433                                                 $from_qpart
2434                                         WHERE
2435                                         $feed_check_qpart
2436                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2437                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
2438                                         $search_query_part
2439                                         $filter_query_part
2440                                         $view_query_part
2441                                         $since_id_part
2442                                         $query_strategy_part ORDER BY $order_by
2443                                         $limit_query_part $offset_query_part";
2444
2445                                 if ($_REQUEST["debug"]) print $query;
2446
2447                                 $result = db_query($link, $query);
2448
2449                         } else {
2450                                 // browsing by tag
2451
2452                                 $select_qpart = "SELECT DISTINCT " .
2453                                                                 "date_entered," .
2454                                                                 "guid," .
2455                                                                 "note," .
2456                                                                 "ttrss_entries.id as id," .
2457                                                                 "title," .
2458                                                                 "updated," .
2459                                                                 "unread," .
2460                                                                 "feed_id," .
2461                                                                 "orig_feed_id," .
2462                                                                 "site_url," .
2463                                                                 "always_display_enclosures, ".
2464                                                                 "marked," .
2465                                                                 "num_comments, " .
2466                                                                 "comments, " .
2467                                                                 "tag_cache," .
2468                                                                 "label_cache," .
2469                                                                 "link," .
2470                                                                 "last_read," .
2471                                                                 SUBSTRING_FOR_DATE . "(last_read,1,19) as last_read_noms," .
2472                                                                 $since_id_part .
2473                                                                 $vfeed_query_part .
2474                                                                 $content_query_part .
2475                                                                 SUBSTRING_FOR_DATE . "(updated,1,19) as updated_noms," .
2476                                                                 "score ";
2477
2478                                 $feed_kind = "Tags";
2479                                 $all_tags = explode(",", $feed);
2480                                 if ($search_mode == 'any') {
2481                                         $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2482                                         $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2483                                         $where_qpart = " WHERE " .
2484                                                                    "ref_id = ttrss_entries.id AND " .
2485                                                                    "ttrss_user_entries.owner_uid = $owner_uid AND " .
2486                                                                    "post_int_id = int_id AND $tag_sql AND " .
2487                                                                    $view_query_part .
2488                                                                    $search_query_part .
2489                                                                    $query_strategy_part . " ORDER BY $order_by " .
2490                                                                    $limit_query_part;
2491
2492                                 } else {
2493                                         $i = 1;
2494                                         $sub_selects = array();
2495                                         $sub_ands = array();
2496                                         foreach ($all_tags as $term) {
2497                                                 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2498                                                 $i++;
2499                                         }
2500                                         if ($i > 2) {
2501                                                 $x = 1;
2502                                                 $y = 2;
2503                                                 do {
2504                                                         array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2505                                                         $x++;
2506                                                         $y++;
2507                                                 } while ($y < $i);
2508                                         }
2509                                         array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2510                                         array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2511                                         $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2512                                         $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2513                                 }
2514                                 //                              error_log("TAG SQL: " . $tag_sql);
2515                                 // $tag_sql = "tag_name = '$feed'";   DEFAULT way
2516
2517                                 //                              error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2518                                 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
2519                         }
2520
2521                         return array($result, $feed_title, $feed_site_url, $last_error);
2522
2523         }
2524
2525         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
2526                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
2527
2528                 require_once "lib/MiniTemplator.class.php";
2529
2530                 $note_style =   "background-color : #fff7d5;
2531                         border-width : 1px; ".
2532                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
2533                         "margin-bottom : 1em; color : #9a8c59;";
2534
2535                 if (!$limit) $limit = 30;
2536
2537                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
2538                         $date_sort_field = "updated";
2539                 } else {
2540                         $date_sort_field = "date_entered";
2541                 }
2542
2543                 $qfh_ret = queryFeedHeadlines($link, $feed,
2544                         $limit, $view_mode, $is_cat, $search, $search_mode,
2545                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
2546
2547                 $result = $qfh_ret[0];
2548                 $feed_title = htmlspecialchars($qfh_ret[1]);
2549                 $feed_site_url = $qfh_ret[2];
2550                 $last_error = $qfh_ret[3];
2551
2552                 $feed_self_url = get_self_url_prefix() .
2553                         "/public.php?op=rss&id=-2&key=" .
2554                         get_feed_access_key($link, -2, false);
2555
2556                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
2557
2558                 $tpl = new MiniTemplator;
2559
2560                 $tpl->readTemplateFromFile("templates/generated_feed.txt");
2561
2562                 $tpl->setVariable('FEED_TITLE', $feed_title);
2563                 $tpl->setVariable('VERSION', VERSION);
2564                 $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url));
2565
2566                 if (PUBSUBHUBBUB_HUB && $feed == -2) {
2567                         $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB));
2568                         $tpl->addBlock('feed_hub');
2569                 }
2570
2571                 $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()));
2572
2573                 while ($line = db_fetch_assoc($result)) {
2574                         $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']));
2575                         $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']));
2576                         $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']));
2577                         $tpl->setVariable('ARTICLE_EXCERPT',
2578                                 truncate_string(strip_tags($line["content_preview"]), 100, '...'));
2579
2580                         $content = sanitize_rss($link, $line["content_preview"], false, $owner_uid);
2581
2582                         if ($line['note']) {
2583                                 $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
2584                                         $content;
2585                         }
2586
2587                         $tpl->setVariable('ARTICLE_CONTENT', $content);
2588
2589                         $tpl->setVariable('ARTICLE_UPDATED', date('c', strtotime($line["updated"])));
2590                         $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']));
2591
2592                         $tags = get_article_tags($link, $line["id"], $owner_uid);
2593
2594                         foreach ($tags as $tag) {
2595                                 $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag));
2596                                 $tpl->addBlock('category');
2597                         }
2598
2599                         $enclosures = get_article_enclosures($link, $line["id"]);
2600
2601                         foreach ($enclosures as $e) {
2602                                 $type = htmlspecialchars($e['content_type']);
2603                                 $url = htmlspecialchars($e['content_url']);
2604                                 $length = $e['duration'];
2605
2606                                 $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url);
2607                                 $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type);
2608                                 $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length);
2609
2610                                 $tpl->addBlock('enclosure');
2611                         }
2612
2613                         $tpl->addBlock('entry');
2614                 }
2615
2616                 $tmp = "";
2617
2618                 $tpl->addBlock('feed');
2619                 $tpl->generateOutputToString($tmp);
2620
2621                 print $tmp;
2622         }
2623
2624         function getCategoryTitle($link, $cat_id) {
2625
2626                 if ($cat_id == -1) {
2627                         return __("Special");
2628                 } else if ($cat_id == -2) {
2629                         return __("Labels");
2630                 } else {
2631
2632                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
2633                                 id = '$cat_id'");
2634
2635                         if (db_num_rows($result) == 1) {
2636                                 return db_fetch_result($result, 0, "title");
2637                         } else {
2638                                 return "Uncategorized";
2639                         }
2640                 }
2641         }
2642
2643         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
2644                 global $purifier;
2645
2646                 if (!$owner) $owner = $_SESSION["uid"];
2647
2648                 $res = trim($str); if (!$res) return '';
2649
2650                 // create global Purifier object if needed
2651                 if (!$purifier) {
2652                         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
2653
2654                         $config = HTMLPurifier_Config::createDefault();
2655
2656                         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td";
2657
2658                         $config->set('HTML.SafeObject', true);
2659                         @$config->set('HTML', 'Allowed', $allowed);
2660                         $config->set('Output.FlashCompat', true);
2661                         $config->set('Attr.EnableID', true);
2662                         if (!defined('MOBILE_VERSION')) {
2663                                 @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
2664                         } else {
2665                                 @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
2666                         }
2667
2668                         $purifier = new HTMLPurifier($config);
2669                 }
2670
2671                 $res = $purifier->purify($res);
2672
2673                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
2674                         $res = preg_replace('/<img[^>]+>/is', '', $res);
2675                 }
2676
2677                 if (strpos($res, "href=") === false)
2678                         $res = rewrite_urls($res);
2679
2680                 $charset_hack = '<head>
2681                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2682                 </head>';
2683
2684                 $res = trim($res); if (!$res) return '';
2685
2686                 libxml_use_internal_errors(true);
2687
2688                 $doc = new DOMDocument();
2689                 $doc->loadHTML($charset_hack . $res);
2690                 $xpath = new DOMXPath($doc);
2691
2692                 $entries = $xpath->query('(//a[@href]|//img[@src])');
2693                 $br_inserted = 0;
2694
2695                 foreach ($entries as $entry) {
2696
2697                         if ($site_url) {
2698
2699                                 if ($entry->hasAttribute('href'))
2700                                         $entry->setAttribute('href',
2701                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2702
2703                                 if ($entry->hasAttribute('src'))
2704                                         if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
2705                                                 $entry->setAttribute('src',
2706                                                         rewrite_relative_url($site_url, $entry->getAttribute('src')));
2707                         }
2708
2709                         if (strtolower($entry->nodeName) == "a") {
2710                                 $entry->setAttribute("target", "_blank");
2711                         }
2712
2713                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
2714                                 $br = $doc->createElement("br");
2715
2716                                 if ($entry->parentNode->nextSibling) {
2717                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
2718                                         $br_inserted = 1;
2719                                 }
2720
2721                         }
2722                 }
2723
2724                 $node = $doc->getElementsByTagName('body')->item(0);
2725
2726                 return $doc->saveXML($node);
2727         }
2728
2729         /**
2730          * Send by mail a digest of last articles.
2731          *
2732          * @param mixed $link The database connection.
2733          * @param integer $limit The maximum number of articles by digest.
2734          * @return boolean Return false if digests are not enabled.
2735          */
2736         function send_headlines_digests($link, $limit = 100) {
2737
2738                 require_once 'lib/phpmailer/class.phpmailer.php';
2739
2740                 if (!DIGEST_ENABLE) return false;
2741
2742                 $user_limit = DIGEST_EMAIL_LIMIT;
2743                 $days = 1;
2744
2745                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
2746
2747                 if (DB_TYPE == "pgsql") {
2748                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
2749                 } else if (DB_TYPE == "mysql") {
2750                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
2751                 }
2752
2753                 $result = db_query($link, "SELECT id,email FROM ttrss_users
2754                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2755
2756                 while ($line = db_fetch_assoc($result)) {
2757
2758                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2759                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2760
2761                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
2762
2763                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
2764                                 $digest = $tuple[0];
2765                                 $headlines_count = $tuple[1];
2766                                 $affected_ids = $tuple[2];
2767                                 $digest_text = $tuple[3];
2768
2769                                 if ($headlines_count > 0) {
2770
2771                                         $mail = new PHPMailer();
2772
2773                                         $mail->PluginDir = "lib/phpmailer/";
2774                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
2775
2776                                         $mail->CharSet = "UTF-8";
2777
2778                                         $mail->From = DIGEST_FROM_ADDRESS;
2779                                         $mail->FromName = DIGEST_FROM_NAME;
2780                                         $mail->AddAddress($line["email"], $line["login"]);
2781
2782                                         if (DIGEST_SMTP_HOST) {
2783                                                 $mail->Host = DIGEST_SMTP_HOST;
2784                                                 $mail->Mailer = "smtp";
2785                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
2786                                                 $mail->Username = DIGEST_SMTP_LOGIN;
2787                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
2788                                         }
2789
2790                                         $mail->IsHTML(true);
2791                                         $mail->Subject = DIGEST_SUBJECT;
2792                                         $mail->Body = $digest;
2793                                         $mail->AltBody = $digest_text;
2794
2795                                         $rc = $mail->Send();
2796
2797                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
2798
2799                                         print "RC=$rc\n";
2800
2801                                         if ($rc && $do_catchup) {
2802                                                 print "Marking affected articles as read...\n";
2803                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
2804                                         }
2805                                 } else {
2806                                         print "No headlines\n";
2807                                 }
2808
2809                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2810                                         WHERE id = " . $line["id"]);
2811                         }
2812                 }
2813
2814                 print "All done.\n";
2815
2816         }
2817
2818         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
2819
2820                 require_once "lib/MiniTemplator.class.php";
2821
2822                 $tpl = new MiniTemplator;
2823                 $tpl_t = new MiniTemplator;
2824
2825                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
2826                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
2827
2828                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
2829                 $tpl->setVariable('CUR_TIME', date('G:i'));
2830
2831                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
2832                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
2833
2834                 $affected_ids = array();
2835
2836                 if (DB_TYPE == "pgsql") {
2837                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
2838                 } else if (DB_TYPE == "mysql") {
2839                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
2840                 }
2841
2842                 $result = db_query($link, "SELECT ttrss_entries.title,
2843                                 ttrss_feeds.title AS feed_title,
2844                                 date_updated,
2845                                 ttrss_user_entries.ref_id,
2846                                 link,
2847                                 SUBSTRING(content, 1, 120) AS excerpt,
2848                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
2849                         FROM
2850                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2851                         WHERE
2852                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2853                                 AND include_in_digest = true
2854                                 AND $interval_query
2855                                 AND ttrss_user_entries.owner_uid = $user_id
2856                                 AND unread = true
2857                         ORDER BY ttrss_feeds.title, date_updated DESC
2858                         LIMIT $limit");
2859
2860                 $cur_feed_title = "";
2861
2862                 $headlines_count = db_num_rows($result);
2863
2864                 $headlines = array();
2865
2866                 while ($line = db_fetch_assoc($result)) {
2867                         array_push($headlines, $line);
2868                 }
2869
2870                 for ($i = 0; $i < sizeof($headlines); $i++) {
2871
2872                         $line = $headlines[$i];
2873
2874                         array_push($affected_ids, $line["ref_id"]);
2875
2876                         $updated = make_local_datetime($link, $line['last_updated'], false,
2877                                 $user_id);
2878
2879                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
2880                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
2881                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
2882                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
2883                         $tpl->setVariable('ARTICLE_EXCERPT',
2884                                 truncate_string(strip_tags($line["excerpt"]), 100));
2885
2886                         $tpl->addBlock('article');
2887
2888                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
2889                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
2890                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
2891                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
2892 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
2893 //                              truncate_string(strip_tags($line["excerpt"]), 100));
2894
2895                         $tpl_t->addBlock('article');
2896
2897                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
2898                                 $tpl->addBlock('feed');
2899                                 $tpl_t->addBlock('feed');
2900                         }
2901
2902                 }
2903
2904                 $tpl->addBlock('digest');
2905                 $tpl->generateOutputToString($tmp);
2906
2907                 $tpl_t->addBlock('digest');
2908                 $tpl_t->generateOutputToString($tmp_t);
2909
2910                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
2911         }
2912
2913         function check_for_update($link) {
2914                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2915                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
2916
2917                         $version_data = @fetch_file_contents($version_url);
2918
2919                         if ($version_data) {
2920                                 $version_data = json_decode($version_data, true);
2921                                 if ($version_data && $version_data['version']) {
2922
2923                                         if (version_compare(VERSION, $version_data['version']) == -1) {
2924                                                 return $version_data;
2925                                         }
2926                                 }
2927                         }
2928                 }
2929                 return false;
2930         }
2931
2932         function markArticlesById($link, $ids, $cmode) {
2933
2934                 $tmp_ids = array();
2935
2936                 foreach ($ids as $id) {
2937                         array_push($tmp_ids, "ref_id = '$id'");
2938                 }
2939
2940                 $ids_qpart = join(" OR ", $tmp_ids);
2941
2942                 if ($cmode == 0) {
2943                         db_query($link, "UPDATE ttrss_user_entries SET
2944                         marked = false,last_read = NOW()
2945                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2946                 } else if ($cmode == 1) {
2947                         db_query($link, "UPDATE ttrss_user_entries SET
2948                         marked = true
2949                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2950                 } else {
2951                         db_query($link, "UPDATE ttrss_user_entries SET
2952                         marked = NOT marked,last_read = NOW()
2953                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2954                 }
2955         }
2956
2957         function publishArticlesById($link, $ids, $cmode) {
2958
2959                 $tmp_ids = array();
2960
2961                 foreach ($ids as $id) {
2962                         array_push($tmp_ids, "ref_id = '$id'");
2963                 }
2964
2965                 $ids_qpart = join(" OR ", $tmp_ids);
2966
2967                 if ($cmode == 0) {
2968                         db_query($link, "UPDATE ttrss_user_entries SET
2969                         published = false,last_read = NOW()
2970                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2971                 } else if ($cmode == 1) {
2972                         db_query($link, "UPDATE ttrss_user_entries SET
2973                         published = true
2974                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2975                 } else {
2976                         db_query($link, "UPDATE ttrss_user_entries SET
2977                         published = NOT published,last_read = NOW()
2978                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2979                 }
2980
2981                 if (PUBSUBHUBBUB_HUB) {
2982                         $rss_link = get_self_url_prefix() .
2983                                 "/public.php?op=rss&id=-2&key=" .
2984                                 get_feed_access_key($link, -2, false);
2985
2986                         $p = new Publisher(PUBSUBHUBBUB_HUB);
2987
2988                         $pubsub_result = $p->publish_update($rss_link);
2989                 }
2990         }
2991
2992         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2993
2994                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2995                 if (count($ids) == 0) return;
2996
2997                 $tmp_ids = array();
2998
2999                 foreach ($ids as $id) {
3000                         array_push($tmp_ids, "ref_id = '$id'");
3001                 }
3002
3003                 $ids_qpart = join(" OR ", $tmp_ids);
3004
3005                 if ($cmode == 0) {
3006                         db_query($link, "UPDATE ttrss_user_entries SET
3007                         unread = false,last_read = NOW()
3008                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3009                 } else if ($cmode == 1) {
3010                         db_query($link, "UPDATE ttrss_user_entries SET
3011                         unread = true
3012                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3013                 } else {
3014                         db_query($link, "UPDATE ttrss_user_entries SET
3015                         unread = NOT unread,last_read = NOW()
3016                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3017                 }
3018
3019                 /* update ccache */
3020
3021                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3022                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3023
3024                 while ($line = db_fetch_assoc($result)) {
3025                         ccache_update($link, $line["feed_id"], $owner_uid);
3026                 }
3027         }
3028
3029         function catchupArticleById($link, $id, $cmode) {
3030
3031                 if ($cmode == 0) {
3032                         db_query($link, "UPDATE ttrss_user_entries SET
3033                         unread = false,last_read = NOW()
3034                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3035                 } else if ($cmode == 1) {
3036                         db_query($link, "UPDATE ttrss_user_entries SET
3037                         unread = true
3038                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3039                 } else {
3040                         db_query($link, "UPDATE ttrss_user_entries SET
3041                         unread = NOT unread,last_read = NOW()
3042                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3043                 }
3044
3045                 $feed_id = getArticleFeed($link, $id);
3046                 ccache_update($link, $feed_id, $_SESSION["uid"]);
3047         }
3048
3049         function make_guid_from_title($title) {
3050                 return preg_replace("/[ \"\',.:;]/", "-",
3051                         mb_strtolower(strip_tags($title), 'utf-8'));
3052         }
3053
3054         function format_headline_subtoolbar($link, $feed_site_url, $feed_title,
3055                         $feed_id, $is_cat, $search, $match_on,
3056                         $search_mode, $view_mode, $error) {
3057
3058                 $page_prev_link = "viewFeedGoPage(-1)";
3059                 $page_next_link = "viewFeedGoPage(1)";
3060                 $page_first_link = "viewFeedGoPage(0)";
3061
3062                 $catchup_page_link = "catchupPage()";
3063                 $catchup_feed_link = "catchupCurrentFeed()";
3064                 $catchup_sel_link = "catchupSelection()";
3065
3066                 $archive_sel_link = "archiveSelection()";
3067                 $delete_sel_link = "deleteSelection()";
3068
3069                 $sel_all_link = "selectArticles('all')";
3070                 $sel_unread_link = "selectArticles('unread')";
3071                 $sel_none_link = "selectArticles('none')";
3072                 $sel_inv_link = "selectArticles('invert')";
3073
3074                 $tog_unread_link = "selectionToggleUnread()";
3075                 $tog_marked_link = "selectionToggleMarked()";
3076                 $tog_published_link = "selectionTogglePublished()";
3077
3078                 $reply = "<div id=\"subtoolbar_main\">";
3079
3080                 $reply .= __('Select:')."
3081                         <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
3082                         <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
3083                         <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
3084                         <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
3085
3086                 $reply .= " ";
3087
3088                 $reply .= "<select dojoType=\"dijit.form.Select\"
3089                         onchange=\"headlineActionsChange(this)\">";
3090                 $reply .= "<option value=\"false\">".__('Actions...')."</option>";
3091
3092                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
3093
3094                 $reply .= "<option value=\"$tog_unread_link\">".__('Unread')."</option>
3095                         <option value=\"$tog_marked_link\">".__('Starred')."</option>
3096                         <option value=\"$tog_published_link\">".__('Published')."</option>";
3097
3098                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
3099
3100                 $reply .= "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
3101
3102                 if ($feed_id != "0") {
3103                         $reply .= "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
3104                 } else {
3105                         $reply .= "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
3106                         $reply .= "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
3107
3108                 }
3109
3110                 $reply .= "<option value=\"emailArticle(false)\">".__('Forward by email').
3111                         "</option>";
3112
3113                 if ($is_cat) $cat_q = "&is_cat=$is_cat";
3114
3115                 if ($search) {
3116                         $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3117                 } else {
3118                         $search_q = "";
3119                 }
3120
3121                 $rss_link = htmlspecialchars(get_self_url_prefix() .
3122                         "/public.php?op=rss&id=$feed_id$cat_q$search_q");
3123
3124                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
3125
3126                 $reply .= "<option value=\"catchupPage()\">".__('Mark as read')."</option>";
3127
3128                 $reply .= "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
3129
3130                 $reply .= "</select>";
3131
3132                 $reply .= "</div>";
3133
3134                 $reply .= "<div id=\"subtoolbar_ftitle\">";
3135
3136                 if ($feed_site_url) {
3137                         $target = "target=\"_blank\"";
3138                         $reply .= "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
3139                                 truncate_string($feed_title,30)."</a>";
3140
3141                         if ($error) {
3142                                 $reply .= " (<span class=\"error\" title=\"$error\">Error</span>)";
3143                         }
3144
3145                 } else {
3146                         if ($feed_id < -10) {
3147                                 $label_id = -11-$feed_id;
3148
3149                                 $result = db_query($link, "SELECT fg_color, bg_color
3150                                         FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
3151                                         $_SESSION["uid"]);
3152
3153                                 if (db_num_rows($result) != 0) {
3154                                         $fg_color = db_fetch_result($result, 0, "fg_color");
3155                                         $bg_color = db_fetch_result($result, 0, "bg_color");
3156
3157                                         $reply .= "<span style=\"background : $bg_color; color : $fg_color\" >";
3158                                         $reply .= $feed_title;
3159                                         $reply .= "</span>";
3160                                 } else {
3161                                         $reply .= $feed_title;
3162                                 }
3163
3164                         } else {
3165                                 $reply .= $feed_title;
3166                         }
3167                 }
3168
3169                 $reply .= "
3170                         <a href=\"#\"
3171                                 title=\"".__("View as RSS feed")."\"
3172                                 onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
3173                                 <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
3174
3175                 $reply .= "</div>";
3176
3177                 return $reply;
3178         }
3179
3180         function outputFeedList($link, $special = true) {
3181
3182                 $feedlist = array();
3183
3184                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
3185
3186                 $feedlist['identifier'] = 'id';
3187                 $feedlist['label'] = 'name';
3188                 $feedlist['items'] = array();
3189
3190                 $owner_uid = $_SESSION["uid"];
3191
3192                 /* virtual feeds */
3193
3194                 if ($special) {
3195
3196                         if ($enable_cats) {
3197                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
3198                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
3199                         } else {
3200                                 $cat['items'] = array();
3201                         }
3202
3203                         foreach (array(-4, -3, -1, -2, 0) as $i) {
3204                                 array_push($cat['items'], feedlist_init_feed($link, $i));
3205                         }
3206
3207                         if ($enable_cats) {
3208                                 array_push($feedlist['items'], $cat);
3209                         } else {
3210                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
3211                         }
3212
3213                         $result = db_query($link, "SELECT * FROM
3214                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
3215
3216                         if (db_num_rows($result) > 0) {
3217
3218                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3219                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
3220                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
3221                                 } else {
3222                                         $cat['items'] = array();
3223                                 }
3224
3225                                 while ($line = db_fetch_assoc($result)) {
3226
3227                                         $label_id = -$line['id'] - 11;
3228                                         $count = getFeedUnread($link, $label_id);
3229
3230                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
3231
3232                                         $feed['fg_color'] = $line['fg_color'];
3233                                         $feed['bg_color'] = $line['bg_color'];
3234
3235                                         array_push($cat['items'], $feed);
3236                                 }
3237
3238                                 if ($enable_cats) {
3239                                         array_push($feedlist['items'], $cat);
3240                                 } else {
3241                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
3242                                 }
3243                         }
3244                 }
3245
3246 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
3247                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3248                                 $order_by_qpart = "order_id,category,unread DESC,title";
3249                         } else {
3250                                 $order_by_qpart = "order_id,category,title";
3251                         }
3252                 } else {
3253                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3254                                 $order_by_qpart = "unread DESC,title";
3255                         } else {
3256                                 $order_by_qpart = "title";
3257                         }
3258                 } */
3259
3260                 /* real feeds */
3261
3262                 if ($enable_cats)
3263                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
3264                                 ttrss_feeds.order_id,title";
3265                 else
3266                         $order_by_qpart = "title";
3267
3268                 $age_qpart = getMaxAgeSubquery();
3269
3270                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
3271                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
3272                         cat_id,last_error,
3273                         ttrss_feed_categories.title AS category,
3274                         ttrss_feed_categories.collapsed,
3275                         value AS unread
3276                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
3277                                 ON (ttrss_feed_categories.id = cat_id)
3278                         LEFT JOIN ttrss_counters_cache
3279                                 ON
3280                                         (ttrss_feeds.id = feed_id)
3281                         WHERE
3282                                 ttrss_feeds.owner_uid = '$owner_uid'
3283                         ORDER BY $order_by_qpart";
3284
3285                 $result = db_query($link, $query);
3286
3287                 $actid = $_REQUEST["actid"];
3288
3289                 if (db_num_rows($result) > 0) {
3290
3291                         $category = "";
3292
3293                         if (!$enable_cats)
3294                                 $cat['items'] = array();
3295                         else
3296                                 $cat = false;
3297
3298                         while ($line = db_fetch_assoc($result)) {
3299
3300                                 $feed = htmlspecialchars(trim($line["title"]));
3301
3302                                 if (!$feed) $feed = "[Untitled]";
3303
3304                                 $feed_id = $line["id"];
3305                                 $unread = $line["unread"];
3306
3307                                 $cat_id = $line["cat_id"];
3308                                 $tmp_category = $line["category"];
3309                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
3310
3311                                 if ($category != $tmp_category && $enable_cats) {
3312
3313                                         $category = $tmp_category;
3314
3315                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
3316
3317                                         // workaround for NULL category
3318                                         if ($category == __("Uncategorized")) {
3319                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
3320                                         }
3321
3322                                         if ($cat) array_push($feedlist['items'], $cat);
3323
3324                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
3325                                 }
3326
3327                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
3328
3329                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
3330                                         $feed, $unread, $line['last_error'], $updated));
3331                         }
3332
3333                         if ($enable_cats) {
3334                                 array_push($feedlist['items'], $cat);
3335                         } else {
3336                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
3337                         }
3338
3339                 }
3340
3341                 return $feedlist;
3342         }
3343
3344         function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
3345
3346                 global $memcache;
3347
3348                 $a_id = db_escape_string($id);
3349
3350                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3351
3352                 $query = "SELECT DISTINCT tag_name,
3353                         owner_uid as owner FROM
3354                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3355                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3356
3357                 $obj_id = md5("TAGS:$owner_uid:$id");
3358                 $tags = array();
3359
3360                 if ($memcache && $obj = $memcache->get($obj_id)) {
3361                         $tags = $obj;
3362                 } else {
3363                         /* check cache first */
3364
3365                         if ($tag_cache === false) {
3366                                 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
3367                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3368
3369                                 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3370                         }
3371
3372                         if ($tag_cache) {
3373                                 $tags = explode(",", $tag_cache);
3374                         } else {
3375
3376                                 /* do it the hard way */
3377
3378                                 $tmp_result = db_query($link, $query);
3379
3380                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3381                                         array_push($tags, $tmp_line["tag_name"]);
3382                                 }
3383
3384                                 /* update the cache */
3385
3386                                 $tags_str = db_escape_string(join(",", $tags));
3387
3388                                 db_query($link, "UPDATE ttrss_user_entries
3389                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3390                                         AND owner_uid = " . $_SESSION["uid"]);
3391                         }
3392
3393                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
3394                 }
3395
3396                 return $tags;
3397         }
3398
3399         function trim_array($array) {
3400                 $tmp = $array;
3401                 array_walk($tmp, 'trim');
3402                 return $tmp;
3403         }
3404
3405         function tag_is_valid($tag) {
3406                 if ($tag == '') return false;
3407                 if (preg_match("/^[0-9]*$/", $tag)) return false;
3408                 if (mb_strlen($tag) > 250) return false;
3409
3410                 if (function_exists('iconv')) {
3411                         $tag = iconv("utf-8", "utf-8", $tag);
3412                 }
3413
3414                 if (!$tag) return false;
3415
3416                 return true;
3417         }
3418
3419         function render_login_form($link, $mobile = 0) {
3420                 switch ($mobile) {
3421                 case 0:
3422                         require_once "login_form.php";
3423                         break;
3424                 case 1:
3425                         require_once "mobile/login_form.php";
3426                         break;
3427                 case 2:
3428                         require_once "mobile/classic/login_form.php";
3429                 }
3430         }
3431
3432         // from http://developer.apple.com/internet/safari/faq.html
3433         function no_cache_incantation() {
3434                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
3435                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
3436                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
3437                 header("Cache-Control: post-check=0, pre-check=0", false);
3438                 header("Pragma: no-cache"); // HTTP/1.0
3439         }
3440
3441         function format_warning($msg, $id = "") {
3442                 global $link;
3443                 return "<div class=\"warning\" id=\"$id\">
3444                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3445         }
3446
3447         function format_notice($msg, $id = "") {
3448                 global $link;
3449                 return "<div class=\"notice\" id=\"$id\">
3450                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
3451         }
3452
3453         function format_error($msg, $id = "") {
3454                 global $link;
3455                 return "<div class=\"error\" id=\"$id\">
3456                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3457         }
3458
3459         function print_notice($msg) {
3460                 return print format_notice($msg);
3461         }
3462
3463         function print_warning($msg) {
3464                 return print format_warning($msg);
3465         }
3466
3467         function print_error($msg) {
3468                 return print format_error($msg);
3469         }
3470
3471
3472         function T_sprintf() {
3473                 $args = func_get_args();
3474                 return vsprintf(__(array_shift($args)), $args);
3475         }
3476
3477         function format_inline_player($link, $url, $ctype) {
3478
3479                 $entry = "";
3480
3481                 if (strpos($ctype, "audio/") === 0) {
3482
3483                         if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3484                                 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
3485                                 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
3486
3487                                 $id = 'AUDIO-' . uniqid();
3488
3489                                 $entry .= "<audio id=\"$id\"\">
3490                                         <source src=\"$url\"></source>
3491                                         </audio>";
3492
3493                                 $entry .= "<span onclick=\"player(this)\"
3494                                         title=\"".__("Click to play")."\" status=\"0\"
3495                                         class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
3496
3497                         } else {
3498
3499                                 $entry .= "<object type=\"application/x-shockwave-flash\"
3500                                         data=\"lib/button/musicplayer.swf?song_url=$url\"
3501                                         width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3502                                         <param name=\"movie\"
3503                                                 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3504                                         </object>";
3505                         }
3506                 }
3507
3508                 $filename = substr($url, strrpos($url, "/")+1);
3509
3510                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3511                         $filename . " (" . $ctype . ")" . "</a>";
3512
3513                 return $entry;
3514         }
3515
3516         function format_article($link, $id, $mark_as_read = true, $zoom_mode = false) {
3517
3518                 $rv = array();
3519
3520                 $rv['id'] = $id;
3521
3522                 /* we can figure out feed_id from article id anyway, why do we
3523                  * pass feed_id here? let's ignore the argument :( */
3524
3525                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3526                         WHERE ref_id = '$id'");
3527
3528                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3529
3530                 $rv['feed_id'] = $feed_id;
3531
3532                 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3533
3534                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
3535                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
3536
3537                 if (db_num_rows($result) == 1) {
3538                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
3539                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
3540                 } else {
3541                         $rtl_content = false;
3542                         $always_display_enclosures = false;
3543                 }
3544
3545                 if ($rtl_content) {
3546                         $rtl_tag = "dir=\"RTL\"";
3547                         $rtl_class = "RTL";
3548                 } else {
3549                         $rtl_tag = "";
3550                         $rtl_class = "";
3551                 }
3552
3553                 if ($mark_as_read) {
3554                         $result = db_query($link, "UPDATE ttrss_user_entries
3555                                 SET unread = false,last_read = NOW()
3556                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3557
3558                         ccache_update($link, $feed_id, $_SESSION["uid"]);
3559                 }
3560
3561                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
3562                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3563                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
3564                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3565                         num_comments,
3566                         tag_cache,
3567                         author,
3568                         orig_feed_id,
3569                         note
3570                         FROM ttrss_entries,ttrss_user_entries
3571                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
3572
3573                 if ($result) {
3574
3575                         $line = db_fetch_assoc($result);
3576
3577                         if ($line["icon_url"]) {
3578                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
3579                         } else {
3580                                 $feed_icon = "&nbsp;";
3581                         }
3582
3583                         $feed_site_url = $line['site_url'];
3584
3585                         $num_comments = $line["num_comments"];
3586                         $entry_comments = "";
3587
3588                         if ($num_comments > 0) {
3589                                 if ($line["comments"]) {
3590                                         $comments_url = $line["comments"];
3591                                 } else {
3592                                         $comments_url = $line["link"];
3593                                 }
3594                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3595                         } else {
3596                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
3597                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
3598                                 }
3599                         }
3600
3601                         if ($zoom_mode) {
3602                                 header("Content-Type: text/html");
3603                                 $rv['content'] .= "<html><head>
3604                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3605                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3606                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3607                                         </head><body>";
3608                         }
3609
3610                         $rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
3611                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
3612
3613                         $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3614
3615                         $rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
3616                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
3617
3618                         $entry_author = $line["author"];
3619
3620                         if ($entry_author) {
3621                                 $entry_author = __(" - ") . $entry_author;
3622                         }
3623
3624                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
3625                                 false, true);
3626
3627                         $rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
3628
3629                         if ($line["link"]) {
3630                                 $rv['content'] .= "<div clear='both'><a target='_blank'
3631                                         title=\"".htmlspecialchars($line['title'])."\"
3632                                         href=\"" .
3633                                         $line["link"] . "\">" .
3634                                         truncate_string($line["title"], 100) .
3635                                         "<span class='author'>$entry_author</span></a></div>";
3636                         } else {
3637                                 $rv['content'] .= "<div clear='both'>" . $line["title"] . "$entry_author</div>";
3638                         }
3639
3640                         $tag_cache = $line["tag_cache"];
3641
3642                         if (!$tag_cache)
3643                                 $tags = get_article_tags($link, $id);
3644                         else
3645                                 $tags = explode(",", $tag_cache);
3646
3647                         $tags_str = format_tags_string($tags, $id);
3648                         $tags_str_full = join(", ", $tags);
3649
3650                         if (!$tags_str_full) $tags_str_full = __("no tags");
3651
3652                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3653
3654                         $rv['content'] .= "<div style='float : right'>
3655                                 <img src='".theme_image($link, 'images/tag.png')."'
3656                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3657
3658                         if (!$zoom_mode) {
3659                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3660                                         <a title=\"".__('Edit tags for this article')."\"
3661                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3662
3663                                 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3664                                         id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3665                                         position=\"below\">$tags_str_full</div>";
3666
3667                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
3668                                                 class='tagsPic' style=\"cursor : pointer\"
3669                                                 onclick=\"postOpenInNewTab(event, $id)\"
3670                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
3671
3672                                 //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
3673
3674                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
3675                                                 class='tagsPic' style=\"cursor : pointer\"
3676                                                 onclick=\"editArticleNote($id)\"
3677                                                 alt='PubNote' title='".__('Edit article note')."'>";
3678
3679                                 if (DIGEST_ENABLE) {
3680                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
3681                                                 class='tagsPic' style=\"cursor : pointer\"
3682                                                 onclick=\"emailArticle($id)\"
3683                                                 alt='Zoom' title='".__('Forward by email')."'>";
3684                                 }
3685
3686                                 if (ENABLE_TWEET_BUTTON) {
3687                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
3688                                                         class='tagsPic' style=\"cursor : pointer\"
3689                                                         onclick=\"tweetArticle($id)\"
3690                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
3691                                 }
3692
3693                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-share.png')."\"
3694                                         class='tagsPic' style=\"cursor : pointer\"
3695                                         onclick=\"shareArticle(".$line['int_id'].")\"
3696                                         alt='Zoom' title='".__('Share by URL')."'>";
3697
3698                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
3699                                                 class='tagsPic' style=\"cursor : pointer\"
3700                                                 onclick=\"closeArticlePanel($id)\"
3701                                                 alt='Zoom' title='".__('Close this panel')."'>";
3702
3703                         } else {
3704                                 $tags_str = strip_tags($tags_str);
3705                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3706                         }
3707                         $rv['content'] .= "</div>";
3708                         $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3709
3710                         if ($line["orig_feed_id"]) {
3711
3712                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3713                                         WHERE id = ".$line["orig_feed_id"]);
3714
3715                                 if (db_num_rows($tmp_result) != 0) {
3716
3717                                         $rv['content'] .= "<div clear='both'>";
3718                                         $rv['content'] .= __("Originally from:");
3719
3720                                         $rv['content'] .= "&nbsp;";
3721
3722                                         $tmp_line = db_fetch_assoc($tmp_result);
3723
3724                                         $rv['content'] .= "<a target='_blank'
3725                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3726                                                 $tmp_line['title'] . "</a>";
3727
3728                                         $rv['content'] .= "&nbsp;";
3729
3730                                         $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3731                                         $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
3732
3733                                         $rv['content'] .= "</div>";
3734                                 }
3735                         }
3736
3737                         $rv['content'] .= "</div>";
3738
3739                         $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3740                                 if ($line['note']) {
3741                                         $rv['content'] .= format_article_note($id, $line['note']);
3742                                 }
3743                         $rv['content'] .= "</div>";
3744
3745                         $rv['content'] .= "<div class=\"postIcon\">" .
3746                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
3747                                 href=\"".htmlspecialchars($feed_site_url)."\">".
3748                                 $feed_icon . "</a></div>";
3749
3750                         $rv['content'] .= "<div class=\"postContent\">";
3751
3752                         $article_content = sanitize_rss($link, $line["content"], false, false,
3753                                 $feed_site_url);
3754
3755                         $rv['content'] .= $article_content;
3756
3757                         $rv['content'] .= format_article_enclosures($link, $id,
3758                                 $always_display_enclosures, $article_content);
3759
3760                         $rv['content'] .= "</div>";
3761
3762                         $rv['content'] .= "</div>";
3763
3764                 }
3765
3766                 if ($zoom_mode) {
3767                         $rv['content'] .= "
3768                                 <div style=\"text-align : center\">
3769                                 <button onclick=\"return window.close()\">".
3770                                         __("Close this window")."</button></div>";
3771                         $rv['content'] .= "</body></html>";
3772                 }
3773
3774                 return $rv;
3775
3776         }
3777
3778         function format_headlines_list($link, $feed, $method, $view_mode, $limit, $cat_view,
3779                                         $next_unread_feed, $offset, $vgr_last_feed = false,
3780                                         $override_order = false) {
3781
3782                 $disable_cache = false;
3783
3784                 $reply = array();
3785
3786                 $timing_info = getmicrotime();
3787
3788                 $topmost_article_ids = array();
3789
3790                 if (!$offset) $offset = 0;
3791                 if ($method == "undefined") $method = "";
3792
3793                 $method_split = explode(":", $method);
3794
3795 /*              if ($method == "CatchupSelected") {
3796                         $ids = explode(",", db_escape_string($_REQUEST["ids"]));
3797                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
3798
3799                         catchupArticlesById($link, $ids, $cmode);
3800                 } */
3801
3802                 //if ($method == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
3803                 //      update_rss_feed($link, $feed, true);
3804                 //}
3805
3806                 if ($method == "MarkAllRead")  {
3807                         catchup_feed($link, $feed, $cat_view);
3808
3809                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
3810                                 if ($next_unread_feed) {
3811                                         $feed = $next_unread_feed;
3812                                 }
3813                         }
3814                 }
3815
3816                 if ($method_split[0] == "MarkAllReadGR")  {
3817                         catchup_feed($link, $method_split[1], false);
3818                 }
3819
3820                 // FIXME: might break tag display?
3821
3822                 if (is_numeric($feed) && $feed > 0 && !$cat_view) {
3823                         $result = db_query($link,
3824                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
3825
3826                         if (db_num_rows($result) == 0) {
3827                                 $reply['content'] = "<div align='center'>".__('Feed not found.')."</div>";
3828                         }
3829                 }
3830
3831                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3832
3833                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
3834                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
3835
3836                         if (db_num_rows($result) == 1) {
3837                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
3838                         } else {
3839                                 $rtl_content = false;
3840                         }
3841
3842                         if ($rtl_content) {
3843                                 $rtl_tag = "dir=\"RTL\"";
3844                         } else {
3845                                 $rtl_tag = "";
3846                         }
3847                 } else {
3848                         $rtl_tag = "";
3849                         $rtl_content = false;
3850                 }
3851
3852                 @$search = db_escape_string($_REQUEST["query"]);
3853
3854                 if ($search) {
3855                         $disable_cache = true;
3856                 }
3857
3858                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
3859                 @$match_on = db_escape_string($_REQUEST["match_on"]);
3860
3861                 if (!$match_on) {
3862                         $match_on = "both";
3863                 }
3864
3865                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
3866
3867 //              error_log("format_headlines_list: [" . $feed . "] method [" . $method . "]");
3868                 if( $search_mode == '' && $method != '' ){
3869                     $search_mode = $method;
3870                 }
3871 //              error_log("search_mode: " . $search_mode);
3872                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
3873                         $search, $search_mode, $match_on, $override_order, $offset);
3874
3875                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
3876
3877                 $result = $qfh_ret[0];
3878                 $feed_title = $qfh_ret[1];
3879                 $feed_site_url = $qfh_ret[2];
3880                 $last_error = $qfh_ret[3];
3881
3882                 $vgroup_last_feed = $vgr_last_feed;
3883
3884 //              if (!$offset) {
3885
3886                         if (db_num_rows($result) > 0) {
3887                                 $reply['toolbar'] = format_headline_subtoolbar($link, $feed_site_url,
3888                                         $feed_title,
3889                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
3890                                         $last_error);
3891                         }
3892 //              }
3893
3894                 $headlines_count = db_num_rows($result);
3895
3896                 if (db_num_rows($result) > 0) {
3897
3898                         $lnum = $offset;
3899
3900                         $num_unread = 0;
3901                         $cur_feed_title = '';
3902
3903                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
3904
3905                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PS", $timing_info);
3906
3907                         while ($line = db_fetch_assoc($result)) {
3908
3909                                 $class = ($lnum % 2) ? "even" : "odd";
3910
3911                                 $id = $line["id"];
3912                                 $feed_id = $line["feed_id"];
3913                                 $label_cache = $line["label_cache"];
3914                                 $labels = false;
3915
3916                                 if ($label_cache) {
3917                                         $label_cache = json_decode($label_cache, true);
3918
3919                                         if ($label_cache) {
3920                                                 if ($label_cache["no-labels"] == 1)
3921                                                         $labels = array();
3922                                                 else
3923                                                         $labels = $label_cache;
3924                                         }
3925                                 }
3926
3927                                 if (!is_array($labels)) $labels = get_article_labels($link, $id);
3928
3929                                 $labels_str = "<span id=\"HLLCTR-$id\">";
3930                                 $labels_str .= format_article_labels($labels, $id);
3931                                 $labels_str .= "</span>";
3932
3933                                 if (count($topmost_article_ids) < 3) {
3934                                         array_push($topmost_article_ids, $id);
3935                                 }
3936
3937                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
3938
3939                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
3940                                                 theme_image($link, 'images/updated.png')."\"
3941                                                 alt=\"Updated\">";
3942                                 } else {
3943                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
3944                                                 alt=\"Updated\">";
3945                                 }
3946
3947                                 if (sql_bool_to_bool($line["unread"]) &&
3948                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
3949
3950                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
3951                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
3952                                 }
3953
3954                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
3955                                         $class .= " Unread";
3956                                         ++$num_unread;
3957                                         $is_unread = true;
3958                                 } else {
3959                                         $is_unread = false;
3960                                 }
3961
3962                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
3963                                         $marked_pic = "<img id=\"FMPIC-$id\"
3964                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
3965                                                 class=\"markedPic\" alt=\"Unstar article\"
3966                                                 onclick='javascript:toggleMark($id)'>";
3967                                 } else {
3968                                         $marked_pic = "<img id=\"FMPIC-$id\"
3969                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
3970                                                 class=\"markedPic\" alt=\"Star article\"
3971                                                 onclick='javascript:toggleMark($id)'>";
3972                                 }
3973
3974                                 if ($line["published"] == "t" || $line["published"] == "1") {
3975                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
3976                                                 'images/pub_set.png')."\"
3977                                                 class=\"markedPic\"
3978                                                 alt=\"Unpublish article\" onclick='javascript:togglePub($id)'>";
3979                                 } else {
3980                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
3981                                                 'images/pub_unset.png')."\"
3982                                                 class=\"markedPic\"
3983                                                 alt=\"Publish article\" onclick='javascript:togglePub($id)'>";
3984                                 }
3985
3986 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
3987 #                                       $line["title"] . "</a>";
3988
3989 #                               $content_link = "<a
3990 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
3991 #                                       onclick=\"view($id,$feed_id);\">" .
3992 #                                       $line["title"] . "</a>";
3993
3994 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
3995 #                                       $line["title"] . "</a>";
3996
3997                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
3998
3999                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4000                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4001                                                 100);
4002                                 }
4003
4004                                 $score = $line["score"];
4005
4006                                 $score_pic = theme_image($link,
4007                                         "images/" . get_score_pic($score));
4008
4009 /*                              $score_title = __("(Click to change)");
4010                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4011                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4012
4013                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
4014                                         title=\"$score\">";
4015
4016                                 if ($score > 500) {
4017                                         $hlc_suffix = "H";
4018                                 } else if ($score < -100) {
4019                                         $hlc_suffix = "L";
4020                                 } else {
4021                                         $hlc_suffix = "";
4022                                 }
4023
4024                                 $entry_author = $line["author"];
4025
4026                                 if ($entry_author) {
4027                                         $entry_author = " - $entry_author";
4028                                 }
4029
4030                                 $has_feed_icon = feed_has_icon($feed_id);
4031
4032                                 if ($has_feed_icon) {
4033                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4034                                 } else {
4035                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
4036                                 }
4037
4038                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4039
4040                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
4041                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
4042
4043                                                         $cur_feed_title = $line["feed_title"];
4044                                                         $vgroup_last_feed = $feed_id;
4045
4046                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
4047
4048                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
4049
4050                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
4051                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
4052                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
4053                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
4054
4055                                                 }
4056                                         }
4057
4058                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
4059                                                 onmouseout='postMouseOut($id)'";
4060
4061                                         $reply['content'] .= "<div class='$class' id='RROW-$id' $mouseover_attrs>";
4062
4063                                         $reply['content'] .= "<div class='hlUpdPic'>$update_pic</div>";
4064
4065                                         $reply['content'] .= "<div class='hlLeft'>";
4066
4067                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"tSR(this)\"
4068                                                         id=\"RCHK-$id\">";
4069
4070                                         $reply['content'] .= "$marked_pic";
4071                                         $reply['content'] .= "$published_pic";
4072
4073                                         $reply['content'] .= "</div>";
4074
4075                                         $reply['content'] .= "<div onclick='return hlClicked(event, $id)'
4076                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
4077                                         $reply['content'] .= "<a id=\"RTITLE-$id\"
4078                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
4079                                                 onclick=\"\">" .
4080                                                 truncate_string($line["title"], 200);
4081
4082                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4083                                                 if ($content_preview) {
4084                                                         $reply['content'] .= "<span class=\"contentPreview\"> - $content_preview</span>";
4085                                                 }
4086                                         }
4087
4088                                         $reply['content'] .= "</a></span>";
4089
4090                                         $reply['content'] .= $labels_str;
4091
4092                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
4093                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
4094                                                 if (@$line["feed_title"]) {
4095                                                         $reply['content'] .= "<span class=\"hlFeed\">
4096                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
4097                                                                 $line["feed_title"]."</a>)
4098                                                         </span>";
4099                                                 }
4100                                         }
4101
4102                                         $reply['content'] .= "</div>";
4103
4104                                         $reply['content'] .= "<span class=\"hlUpdated\">$updated_fmt</span>";
4105                                         $reply['content'] .= "<div class=\"hlRight\">";
4106
4107                                         $reply['content'] .= $score_pic;
4108
4109                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
4110
4111                                                 $reply['content'] .= "<span onclick=\"viewfeed($feed_id)\"
4112                                                         style=\"cursor : pointer\"
4113                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
4114                                                         $feed_icon_img<span>";
4115                                         }
4116
4117                                         $reply['content'] .= "</div>";
4118                                         $reply['content'] .= "</div>";
4119
4120                                 } else {
4121
4122                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
4123                                                 if ($feed_id != $vgroup_last_feed) {
4124
4125                                                         $cur_feed_title = $line["feed_title"];
4126                                                         $vgroup_last_feed = $feed_id;
4127
4128                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
4129
4130                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
4131
4132                                                         $has_feed_icon = feed_has_icon($feed_id);
4133
4134                                                         if ($has_feed_icon) {
4135                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4136                                                         } else {
4137                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
4138                                                         }
4139
4140                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
4141                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
4142                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
4143                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
4144                                                 }
4145                                         }
4146
4147                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
4148
4149                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
4150                                                 onmouseout='postMouseOut($id)'";
4151
4152                                         $reply['content'] .= "<div class=\"$class\"
4153                                                 id=\"RROW-$id\" $mouseover_attrs'>";
4154
4155                                         $reply['content'] .= "<div class=\"cdmHeader\">";
4156
4157                                         $reply['content'] .= "<div>";
4158
4159                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
4160                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
4161
4162                                         $reply['content'] .= "$marked_pic";
4163                                         $reply['content'] .= "$published_pic";
4164
4165                                         $reply['content'] .= "</div>";
4166
4167                                         $reply['content'] .= "<span id=\"RTITLE-$id\"
4168                                                 onclick=\"return cdmClicked(event, $id);\"
4169                                                 class=\"titleWrap$hlc_suffix\">
4170                                                 <a class=\"title\"
4171                                                 title=\"".htmlspecialchars($line['title'])."\"
4172                                                 target=\"_blank\" href=\"".
4173                                                 htmlspecialchars($line["link"])."\">".
4174                                                 truncate_string($line["title"], 100) .
4175                                                 " $entry_author</a>";
4176
4177                                         $reply['content'] .= $labels_str;
4178
4179                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
4180                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
4181                                                 if (@$line["feed_title"]) {
4182                                                         $reply['content'] .= "<span class=\"hlFeed\">
4183                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
4184                                                                 $line["feed_title"]."</a>)
4185                                                         </span>";
4186                                                 }
4187                                         }
4188
4189                                         if (!$expand_cdm)
4190                                                 $content_hidden = "style=\"display : none\"";
4191                                         else
4192                                                 $excerpt_hidden = "style=\"display : none\"";
4193
4194                                         $reply['content'] .= "<span $excerpt_hidden
4195                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
4196
4197                                         $reply['content'] .= "</span>";
4198
4199                                         $reply['content'] .= "<div>";
4200                                         $reply['content'] .= "<span class='updated'>$updated_fmt</span>";
4201                                         $reply['content'] .= "$score_pic";
4202
4203                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
4204                                                 $reply['content'] .= "<span style=\"cursor : pointer\"
4205                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
4206                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
4207                                         }
4208                                         $reply['content'] .= "<div class=\"updPic\">$update_pic</div>";
4209                                         $reply['content'] .= "</div>";
4210
4211                                         $reply['content'] .= "</div>";
4212
4213                                         $reply['content'] .= "<div class=\"cdmContent\" $content_hidden
4214                                                 onclick=\"return cdmClicked(event, $id);\"
4215                                                 id=\"CICD-$id\">";
4216
4217                                         $reply['content'] .= "<div class=\"cdmContentInner\">";
4218
4219                         if ($line["orig_feed_id"]) {
4220
4221                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4222                                         WHERE id = ".$line["orig_feed_id"]);
4223
4224                                                 if (db_num_rows($tmp_result) != 0) {
4225
4226                                                         $reply['content'] .= "<div clear='both'>";
4227                                                         $reply['content'] .= __("Originally from:");
4228
4229                                                         $reply['content'] .= "&nbsp;";
4230
4231                                                         $tmp_line = db_fetch_assoc($tmp_result);
4232
4233                                                         $reply['content'] .= "<a target='_blank'
4234                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4235                                                                 $tmp_line['title'] . "</a>";
4236
4237                                                         $reply['content'] .= "&nbsp;";
4238
4239                                                         $reply['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4240                                                         $reply['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4241
4242                                                         $reply['content'] .= "</div>";
4243                                                 }
4244                                         }
4245
4246                                         $feed_site_url = $line["site_url"];
4247
4248                                         $article_content = sanitize_rss($link, $line["content_preview"],
4249                                                         false, false, $feed_site_url);
4250
4251                                         $reply['content'] .= "<div id=\"POSTNOTE-$id\">";
4252                                         if ($line['note']) {
4253                                                 $reply['content'] .= format_article_note($id, $line['note']);
4254                                         }
4255                                         $reply['content'] .= "</div>";
4256
4257                                         $reply['content'] .= "<span id=\"CWRAP-$id\">";
4258                                         $reply['content'] .= $expand_cdm ? $article_content : '';
4259                                         $reply['content'] .= "</span>";
4260
4261 /*                                      $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
4262                                                 ttrss_feeds WHERE id = ".
4263                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
4264                                                         $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
4265
4266                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
4267                                                 0, "always_display_enclosures")); */
4268
4269                                         $always_display_enclosures = sql_bool_to_bool($line["always_display_enclosures"]);
4270
4271                                         $reply['content'] .= format_article_enclosures($link, $id, $always_display_enclosures,
4272                                                 $article_content);
4273
4274                                         $reply['content'] .= "</div>";
4275
4276                                         $reply['content'] .= "<div class=\"cdmFooter\">";
4277
4278                                         $tag_cache = $line["tag_cache"];
4279
4280                                         $tags_str = format_tags_string(
4281                                                 get_article_tags($link, $id, $_SESSION["uid"], $tag_cache),
4282                                                 $id);
4283
4284                                         $reply['content'] .= "<img src='".theme_image($link,
4285                                                         'images/tag.png')."' alt='Tags' title='Tags'>
4286                                                 <span id=\"ATSTR-$id\">$tags_str</span>
4287                                                 <a title=\"".__('Edit tags for this article')."\"
4288                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
4289
4290                                         $num_comments = $line["num_comments"];
4291                                         $entry_comments = "";
4292
4293                                         if ($num_comments > 0) {
4294                                                 if ($line["comments"]) {
4295                                                         $comments_url = $line["comments"];
4296                                                 } else {
4297                                                         $comments_url = $line["link"];
4298                                                 }
4299                                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4300                                         } else {
4301                                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4302                                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4303                                                 }
4304                                         }
4305
4306                                         if ($entry_comments) $reply['content'] .= "&nbsp;($entry_comments)";
4307
4308                                         $reply['content'] .= "<div style=\"float : right\">";
4309
4310                                         $reply['content'] .= "<img src=\"images/art-zoom.png\"
4311                                                 onclick=\"zoomToArticle(event, $id)\"
4312                                                 style=\"cursor : pointer\"
4313                                                 alt='Zoom'
4314                                                 title='".__('Open article in new tab')."'>";
4315
4316                                         //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4317
4318                                         $reply['content'] .= "<img src=\"images/art-pub-note.png\"
4319                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4320                                                 onclick=\"editArticleNote($id)\"
4321                                                 alt='PubNote' title='".__('Edit article note')."'>";
4322
4323                                         if (DIGEST_ENABLE) {
4324                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4325                                                         style=\"cursor : pointer\"
4326                                                         onclick=\"emailArticle($id)\"
4327                                                         alt='Zoom' title='".__('Forward by email')."'>";
4328                                         }
4329
4330                                         if (ENABLE_TWEET_BUTTON) {
4331                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4332                                                         class='tagsPic' style=\"cursor : pointer\"
4333                                                         onclick=\"tweetArticle($id)\"
4334                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4335                                         }
4336
4337                                         $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-share.png')."\"
4338                                                 class='tagsPic' style=\"cursor : pointer\"
4339                                                 onclick=\"shareArticle(".$line['int_id'].")\"
4340                                                 alt='Zoom' title='".__('Share by URL')."'>";
4341
4342                                         $reply['content'] .= "<img src=\"images/digest_checkbox.png\"
4343                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4344                                                 onclick=\"dismissArticle($id)\"
4345                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
4346
4347                                         $reply['content'] .= "</div>";
4348                                         $reply['content'] .= "</div>";
4349
4350                                         $reply['content'] .= "</div>";
4351
4352                                         $reply['content'] .= "</div>";
4353
4354                                 }
4355
4356                                 ++$lnum;
4357                         }
4358
4359                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PE", $timing_info);
4360
4361                 } else {
4362                         $message = "";
4363
4364                         switch ($view_mode) {
4365                                 case "unread":
4366                                         $message = __("No unread articles found to display.");
4367                                         break;
4368                                 case "updated":
4369                                         $message = __("No updated articles found to display.");
4370                                         break;
4371                                 case "marked":
4372                                         $message = __("No starred articles found to display.");
4373                                         break;
4374                                 default:
4375                                         if ($feed < -10) {
4376                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
4377                                         } else {
4378                                                 $message = __("No articles found to display.");
4379                                         }
4380                         }
4381
4382                         if (!$offset && $message) {
4383                                 $reply['content'] .= "<div class='whiteBox'>$message";
4384
4385                                 $reply['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
4386
4387                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
4388                                         WHERE owner_uid = " . $_SESSION['uid']);
4389
4390                                 $last_updated = db_fetch_result($result, 0, "last_updated");
4391                                 $last_updated = make_local_datetime($link, $last_updated, false);
4392
4393                                 $reply['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
4394
4395                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
4396                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
4397
4398                                 $num_errors = db_fetch_result($result, 0, "num_errors");
4399
4400                                 if ($num_errors > 0) {
4401                                         $reply['content'] .= "<br/>";
4402                                         $reply['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
4403                                                 __('Some feeds have update errors (click for details)')."</a>";
4404                                 }
4405                                 $reply['content'] .= "</span></p></div>";
4406                         }
4407                 }
4408
4409                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H2", $timing_info);
4410
4411                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache,
4412                         $vgroup_last_feed, $reply);
4413         }
4414
4415 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
4416
4417         function printTagCloud($link) {
4418
4419                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
4420                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
4421                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
4422
4423                 $result = db_query($link, $query);
4424
4425                 $tags = array();
4426
4427                 while ($line = db_fetch_assoc($result)) {
4428                         $tags[$line["tag_name"]] = $line["count"];
4429                 }
4430
4431         if( count($tags) == 0 ){ return; }
4432
4433                 ksort($tags);
4434
4435                 $max_size = 32; // max font size in pixels
4436                 $min_size = 11; // min font size in pixels
4437
4438                 // largest and smallest array values
4439                 $max_qty = max(array_values($tags));
4440                 $min_qty = min(array_values($tags));
4441
4442                 // find the range of values
4443                 $spread = $max_qty - $min_qty;
4444                 if ($spread == 0) { // we don't want to divide by zero
4445                                 $spread = 1;
4446                 }
4447
4448                 // set the font-size increment
4449                 $step = ($max_size - $min_size) / ($spread);
4450
4451                 // loop through the tag array
4452                 foreach ($tags as $key => $value) {
4453                         // calculate font-size
4454                         // find the $value in excess of $min_qty
4455                         // multiply by the font-size increment ($size)
4456                         // and add the $min_size set above
4457                         $size = round($min_size + (($value - $min_qty) * $step));
4458
4459                         $key_escaped = str_replace("'", "\\'", $key);
4460
4461                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
4462                                 $size . "px\" title=\"$value articles tagged with " .
4463                                 $key . '">' . $key . '</a> ';
4464                 }
4465         }
4466
4467         function print_checkpoint($n, $s) {
4468                 $ts = getmicrotime();
4469                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
4470                 return $ts;
4471         }
4472
4473         function sanitize_tag($tag) {
4474                 $tag = trim($tag);
4475
4476                 $tag = mb_strtolower($tag, 'utf-8');
4477
4478                 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
4479
4480 //              $tag = str_replace('"', "", $tag);
4481 //              $tag = str_replace("+", " ", $tag);
4482                 $tag = str_replace("technorati tag: ", "", $tag);
4483
4484                 return $tag;
4485         }
4486
4487         function get_self_url_prefix() {
4488                 return SELF_URL_PATH;
4489         }
4490
4491         function opml_publish_url($link){
4492
4493                 $url_path = get_self_url_prefix();
4494                 $url_path .= "/opml.php?op=publish&key=" .
4495                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
4496
4497                 return $url_path;
4498         }
4499
4500         /**
4501          * Purge a feed contents, marked articles excepted.
4502          *
4503          * @param mixed $link The database connection.
4504          * @param integer $id The id of the feed to purge.
4505          * @return void
4506          */
4507         function clear_feed_articles($link, $id) {
4508
4509                 if ($id != 0) {
4510                         $result = db_query($link, "DELETE FROM ttrss_user_entries
4511                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
4512                 } else {
4513                         $result = db_query($link, "DELETE FROM ttrss_user_entries
4514                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
4515                 }
4516
4517                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
4518                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
4519
4520                 ccache_update($link, $id, $_SESSION['uid']);
4521         } // function clear_feed_articles
4522
4523         /**
4524          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
4525          *
4526          * @return string The Mozilla Firefox feed adding URL.
4527          */
4528         function add_feed_url() {
4529                 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4530
4531                 $url_path = get_self_url_prefix() .
4532                         "/backend.php?op=pref-feeds&quiet=1&method=add&feed_url=%s";
4533                 return $url_path;
4534         } // function add_feed_url
4535
4536         /**
4537          * Encrypt a password in SHA1.
4538          *
4539          * @param string $pass The password to encrypt.
4540          * @param string $login A optionnal login.
4541          * @return string The encrypted password.
4542          */
4543         function encrypt_password($pass, $login = '') {
4544                 if ($login) {
4545                         return "SHA1X:" . sha1("$login:$pass");
4546                 } else {
4547                         return "SHA1:" . sha1($pass);
4548                 }
4549         } // function encrypt_password
4550
4551
4552         function sanitize_article_content($text) {
4553                 # we don't support CDATA sections in articles, they break our own escaping
4554                 $text = preg_replace("/\[\[CDATA/", "", $text);
4555                 $text = preg_replace("/\]\]\>/", "", $text);
4556                 return $text;
4557         }
4558
4559         function load_filters($link, $feed, $owner_uid, $action_id = false) {
4560                 $filters = array();
4561
4562                 global $memcache;
4563
4564                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
4565
4566                 if ($memcache && $obj = $memcache->get($obj_id)) {
4567
4568                         return $obj;
4569
4570                 } else {
4571
4572                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
4573
4574                         $result = db_query($link, "SELECT reg_exp,
4575                                 ttrss_filter_types.name AS name,
4576                                 ttrss_filter_actions.name AS action,
4577                                 inverse,
4578                                 action_param,
4579                                 filter_param
4580                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
4581                                         enabled = true AND
4582                                         $ftype_query_part
4583                                         owner_uid = $owner_uid AND
4584                                         ttrss_filter_types.id = filter_type AND
4585                                         ttrss_filter_actions.id = action_id AND
4586                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
4587
4588                         while ($line = db_fetch_assoc($result)) {
4589                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
4590                                         $filter["reg_exp"] = $line["reg_exp"];
4591                                         $filter["action"] = $line["action"];
4592                                         $filter["action_param"] = $line["action_param"];
4593                                         $filter["filter_param"] = $line["filter_param"];
4594                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
4595
4596                                         array_push($filters[$line["name"]], $filter);
4597                                 }
4598
4599                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
4600
4601                         return $filters;
4602                 }
4603         }
4604
4605         function get_score_pic($score) {
4606                 if ($score > 100) {
4607                         return "score_high.png";
4608                 } else if ($score > 0) {
4609                         return "score_half_high.png";
4610                 } else if ($score < -100) {
4611                         return "score_low.png";
4612                 } else if ($score < 0) {
4613                         return "score_half_low.png";
4614                 } else {
4615                         return "score_neutral.png";
4616                 }
4617         }
4618
4619         function feed_has_icon($id) {
4620                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
4621         }
4622
4623         function init_connection($link) {
4624                 if ($link) {
4625
4626                         if (DB_TYPE == "pgsql") {
4627                                 pg_query($link, "set client_encoding = 'UTF-8'");
4628                                 pg_set_client_encoding("UNICODE");
4629                                 pg_query($link, "set datestyle = 'ISO, european'");
4630                                 pg_query($link, "set TIME ZONE 0");
4631                         } else {
4632                                 db_query($link, "SET time_zone = '+0:0'");
4633
4634                                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
4635                                         db_query($link, "SET NAMES " . MYSQL_CHARSET);
4636                                 }
4637                         }
4638                         return true;
4639                 } else {
4640                         print "Unable to connect to database:" . db_last_error();
4641                         return false;
4642                 }
4643         }
4644
4645         function update_feedbrowser_cache($link) {
4646
4647                 $result = db_query($link, "SELECT feed_url, site_url, title, COUNT(id) AS subscribers
4648                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
4649                                 WHERE tf.feed_url = ttrss_feeds.feed_url
4650                                 AND (private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%'))
4651                                 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000");
4652
4653                 db_query($link, "BEGIN");
4654
4655                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
4656
4657                 $count = 0;
4658
4659                 while ($line = db_fetch_assoc($result)) {
4660                         $subscribers = db_escape_string($line["subscribers"]);
4661                         $feed_url = db_escape_string($line["feed_url"]);
4662                         $title = db_escape_string($line["title"]);
4663                         $site_url = db_escape_string($line["site_url"]);
4664
4665                         $tmp_result = db_query($link, "SELECT subscribers FROM
4666                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
4667
4668                         if (db_num_rows($tmp_result) == 0) {
4669
4670                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
4671                                         (feed_url, site_url, title, subscribers) VALUES ('$feed_url',
4672                                                 '$site_url', '$title', '$subscribers')");
4673
4674                                 ++$count;
4675
4676                         }
4677
4678                 }
4679
4680                 db_query($link, "COMMIT");
4681
4682                 return $count;
4683
4684         }
4685
4686         /* function ccache_zero($link, $feed_id, $owner_uid) {
4687                 db_query($link, "UPDATE ttrss_counters_cache SET
4688                         value = 0, updated = NOW() WHERE
4689                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
4690         } */
4691
4692         function ccache_zero_all($link, $owner_uid) {
4693                 db_query($link, "UPDATE ttrss_counters_cache SET
4694                         value = 0 WHERE owner_uid = '$owner_uid'");
4695
4696                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
4697                         value = 0 WHERE owner_uid = '$owner_uid'");
4698         }
4699
4700         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
4701
4702                 if (!$is_cat) {
4703                         $table = "ttrss_counters_cache";
4704                 } else {
4705                         $table = "ttrss_cat_counters_cache";
4706                 }
4707
4708                 db_query($link, "DELETE FROM $table WHERE
4709                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
4710
4711         }
4712
4713         function ccache_update_all($link, $owner_uid) {
4714
4715                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
4716
4717                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
4718                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
4719
4720                         while ($line = db_fetch_assoc($result)) {
4721                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
4722                         }
4723
4724                         /* We have to manually include category 0 */
4725
4726                         ccache_update($link, 0, $owner_uid, true);
4727
4728                 } else {
4729                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
4730                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
4731
4732                         while ($line = db_fetch_assoc($result)) {
4733                                 print ccache_update($link, $line["feed_id"], $owner_uid);
4734
4735                         }
4736
4737                 }
4738         }
4739
4740         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
4741                 $no_update = false) {
4742
4743                 if (!is_numeric($feed_id)) return;
4744
4745                 if (!$is_cat) {
4746                         $table = "ttrss_counters_cache";
4747                         if ($feed_id > 0) {
4748                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
4749                                         WHERE id = '$feed_id'");
4750                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
4751                         }
4752                 } else {
4753                         $table = "ttrss_cat_counters_cache";
4754                 }
4755
4756                 if (DB_TYPE == "pgsql") {
4757                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
4758                 } else if (DB_TYPE == "mysql") {
4759                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
4760                 }
4761
4762                 $result = db_query($link, "SELECT value FROM $table
4763                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
4764                         LIMIT 1");
4765
4766                 if (db_num_rows($result) == 1) {
4767                         return db_fetch_result($result, 0, "value");
4768                 } else {
4769                         if ($no_update) {
4770                                 return -1;
4771                         } else {
4772                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
4773                         }
4774                 }
4775
4776         }
4777
4778         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
4779                 $update_pcat = true) {
4780
4781                 if (!is_numeric($feed_id)) return;
4782
4783                 if (!$is_cat && $feed_id > 0) {
4784                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
4785                                 WHERE id = '$feed_id'");
4786                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
4787                 }
4788
4789                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
4790
4791                 /* When updating a label, all we need to do is recalculate feed counters
4792                  * because labels are not cached */
4793
4794                 if ($feed_id < 0) {
4795                         ccache_update_all($link, $owner_uid);
4796                         return;
4797                 }
4798
4799                 if (!$is_cat) {
4800                         $table = "ttrss_counters_cache";
4801                 } else {
4802                         $table = "ttrss_cat_counters_cache";
4803                 }
4804
4805                 if ($is_cat && $feed_id >= 0) {
4806                         if ($feed_id != 0) {
4807                                 $cat_qpart = "cat_id = '$feed_id'";
4808                         } else {
4809                                 $cat_qpart = "cat_id IS NULL";
4810                         }
4811
4812                         /* Recalculate counters for child feeds */
4813
4814                         $result = db_query($link, "SELECT id FROM ttrss_feeds
4815                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
4816
4817                         while ($line = db_fetch_assoc($result)) {
4818                                 ccache_update($link, $line["id"], $owner_uid, false, false);
4819                         }
4820
4821                         $result = db_query($link, "SELECT SUM(value) AS sv
4822                                 FROM ttrss_counters_cache, ttrss_feeds
4823                                 WHERE id = feed_id AND $cat_qpart AND
4824                                 ttrss_feeds.owner_uid = '$owner_uid'");
4825
4826                         $unread = (int) db_fetch_result($result, 0, "sv");
4827
4828                 } else {
4829                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
4830                 }
4831
4832                 db_query($link, "BEGIN");
4833
4834                 $result = db_query($link, "SELECT feed_id FROM $table
4835                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
4836
4837                 if (db_num_rows($result) == 1) {
4838                         db_query($link, "UPDATE $table SET
4839                                 value = '$unread', updated = NOW() WHERE
4840                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
4841
4842                 } else {
4843                         db_query($link, "INSERT INTO $table
4844                                 (feed_id, value, owner_uid, updated)
4845                                 VALUES
4846                                 ($feed_id, $unread, $owner_uid, NOW())");
4847                 }
4848
4849                 db_query($link, "COMMIT");
4850
4851                 if ($feed_id > 0 && $prev_unread != $unread) {
4852
4853                         if (!$is_cat) {
4854
4855                                 /* Update parent category */
4856
4857                                 if ($update_pcat) {
4858
4859                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
4860                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
4861
4862                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
4863
4864                                         ccache_update($link, $cat_id, $owner_uid, true);
4865
4866                                 }
4867                         }
4868                 } else if ($feed_id < 0) {
4869                         ccache_update_all($link, $owner_uid);
4870                 }
4871
4872                 return $unread;
4873         }
4874
4875         /* function ccache_cleanup($link, $owner_uid) {
4876
4877                 if (DB_TYPE == "pgsql") {
4878                         db_query($link, "DELETE FROM ttrss_counters_cache AS c1 WHERE
4879                                 (SELECT count(*) FROM ttrss_counters_cache AS c2
4880                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
4881                                         AND owner_uid = '$owner_uid'");
4882
4883                         db_query($link, "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
4884                                 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
4885                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
4886                                         AND owner_uid = '$owner_uid'");
4887                 } else {
4888                         db_query($link, "DELETE c1 FROM
4889                                         ttrss_counters_cache AS c1,
4890                                         ttrss_counters_cache AS c2
4891                                 WHERE
4892                                         c1.owner_uid = '$owner_uid' AND
4893                                         c1.owner_uid = c2.owner_uid AND
4894                                         c1.feed_id = c2.feed_id");
4895
4896                         db_query($link, "DELETE c1 FROM
4897                                         ttrss_cat_counters_cache AS c1,
4898                                         ttrss_cat_counters_cache AS c2
4899                                 WHERE
4900                                         c1.owner_uid = '$owner_uid' AND
4901                                         c1.owner_uid = c2.owner_uid AND
4902                                         c1.feed_id = c2.feed_id");
4903
4904                 }
4905         } */
4906
4907         function label_find_id($link, $label, $owner_uid) {
4908                 $result = db_query($link,
4909                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
4910                                 AND owner_uid = '$owner_uid' LIMIT 1");
4911
4912                 if (db_num_rows($result) == 1) {
4913                         return db_fetch_result($result, 0, "id");
4914                 } else {
4915                         return 0;
4916                 }
4917         }
4918
4919         function get_article_labels($link, $id) {
4920                 global $memcache;
4921
4922                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
4923
4924                 $rv = array();
4925
4926                 if ($memcache && $obj = $memcache->get($obj_id)) {
4927                         return $obj;
4928                 } else {
4929
4930                         $result = db_query($link, "SELECT label_cache FROM
4931                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
4932                                 $_SESSION["uid"]);
4933
4934                         $label_cache = db_fetch_result($result, 0, "label_cache");
4935
4936                         if ($label_cache) {
4937
4938                                 $label_cache = json_decode($label_cache, true);
4939
4940                                 if ($label_cache["no-labels"] == 1)
4941                                         return $rv;
4942                                 else
4943                                         return $label_cache;
4944                         }
4945
4946                         $result = db_query($link,
4947                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
4948                                         FROM ttrss_labels2, ttrss_user_labels2
4949                                 WHERE id = label_id
4950                                         AND article_id = '$id'
4951                                         AND owner_uid = ".$_SESSION["uid"] . "
4952                                 ORDER BY caption");
4953
4954                         while ($line = db_fetch_assoc($result)) {
4955                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
4956                                         $line["bg_color"]);
4957                                 array_push($rv, $rk);
4958                         }
4959                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
4960
4961                         if (count($rv) > 0)
4962                                 label_update_cache($link, $id, $rv);
4963                         else
4964                                 label_update_cache($link, $id, array("no-labels" => 1));
4965                 }
4966
4967                 return $rv;
4968         }
4969
4970
4971         function label_find_caption($link, $label, $owner_uid) {
4972                 $result = db_query($link,
4973                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
4974                                 AND owner_uid = '$owner_uid' LIMIT 1");
4975
4976                 if (db_num_rows($result) == 1) {
4977                         return db_fetch_result($result, 0, "caption");
4978                 } else {
4979                         return "";
4980                 }
4981         }
4982
4983         function label_update_cache($link, $id, $labels = false, $force = false) {
4984
4985                 if ($force)
4986                         label_clear_cache($link, $id);
4987
4988                 if (!$labels)
4989                         $labels = get_article_labels($link, $id);
4990
4991                 $labels = db_escape_string(json_encode($labels));
4992
4993                 db_query($link, "UPDATE ttrss_user_entries SET
4994                         label_cache = '$labels' WHERE ref_id = '$id'");
4995
4996         }
4997
4998         function label_clear_cache($link, $id) {
4999
5000                 db_query($link, "UPDATE ttrss_user_entries SET
5001                         label_cache = '' WHERE ref_id = '$id'");
5002
5003         }
5004
5005         function label_remove_article($link, $id, $label, $owner_uid) {
5006
5007                 $label_id = label_find_id($link, $label, $owner_uid);
5008
5009                 if (!$label_id) return;
5010
5011                 $result = db_query($link,
5012                         "DELETE FROM ttrss_user_labels2
5013                         WHERE
5014                                 label_id = '$label_id' AND
5015                                 article_id = '$id'");
5016
5017                 label_clear_cache($link, $id);
5018         }
5019
5020         function label_add_article($link, $id, $label, $owner_uid) {
5021
5022                 global $memcache;
5023
5024                 if ($memcache) {
5025                         $obj_id = md5("LABELS:$id:$owner_uid");
5026                         $memcache->delete($obj_id);
5027                 }
5028
5029                 $label_id = label_find_id($link, $label, $owner_uid);
5030
5031                 if (!$label_id) return;
5032
5033                 $result = db_query($link,
5034                         "SELECT
5035                                 article_id FROM ttrss_labels2, ttrss_user_labels2
5036                         WHERE
5037                                 label_id = id AND
5038                                 label_id = '$label_id' AND
5039                                 article_id = '$id' AND owner_uid = '$owner_uid'
5040                         LIMIT 1");
5041
5042                 if (db_num_rows($result) == 0) {
5043                         db_query($link, "INSERT INTO ttrss_user_labels2
5044                                 (label_id, article_id) VALUES ('$label_id', '$id')");
5045                 }
5046
5047                 label_clear_cache($link, $id);
5048
5049         }
5050
5051         function label_remove($link, $id, $owner_uid) {
5052                 global $memcache;
5053
5054                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
5055
5056                 if ($memcache) {
5057                         $obj_id = md5("LABELS:$id:$owner_uid");
5058                         $memcache->delete($obj_id);
5059                 }
5060
5061                 db_query($link, "BEGIN");
5062
5063                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
5064                         WHERE id = '$id'");
5065
5066                 $caption = db_fetch_result($result, 0, "caption");
5067
5068                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
5069                         AND owner_uid = " . $owner_uid);
5070
5071                 if (db_affected_rows($link, $result) != 0 && $caption) {
5072
5073                         /* Remove access key for the label */
5074
5075                         $ext_id = -11 - $id;
5076
5077                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
5078                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
5079
5080                         /* Disable filters that reference label being removed */
5081
5082                         db_query($link, "UPDATE ttrss_filters SET
5083                                 enabled = false WHERE action_param = '$caption'
5084                                         AND action_id = 7
5085                                         AND owner_uid = " . $owner_uid);
5086
5087                         /* Remove cached data */
5088
5089                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
5090                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
5091
5092                 }
5093
5094                 db_query($link, "COMMIT");
5095         }
5096
5097         function label_create($link, $caption) {
5098
5099                 db_query($link, "BEGIN");
5100
5101                 $result = false;
5102
5103                 $result = db_query($link, "SELECT id FROM ttrss_labels2
5104                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
5105
5106                 if (db_num_rows($result) == 0) {
5107                         $result = db_query($link,
5108                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
5109                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
5110
5111                         $result = db_affected_rows($link, $result) != 0;
5112                 }
5113
5114                 db_query($link, "COMMIT");
5115
5116                 return $result;
5117         }
5118
5119         function format_tags_string($tags, $id) {
5120
5121                 $tags_str = "";
5122                 $tags_nolinks_str = "";
5123
5124                 $num_tags = 0;
5125
5126                 $tag_limit = 6;
5127
5128                 $formatted_tags = array();
5129
5130                 foreach ($tags as $tag) {
5131                         $num_tags++;
5132                         $tag_escaped = str_replace("'", "\\'", $tag);
5133
5134                         if (mb_strlen($tag) > 30) {
5135                                 $tag = truncate_string($tag, 30);
5136                         }
5137
5138                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
5139
5140                         array_push($formatted_tags, $tag_str);
5141
5142                         $tmp_tags_str = implode(", ", $formatted_tags);
5143
5144                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
5145                                 break;
5146                         }
5147                 }
5148
5149                 $tags_str = implode(", ", $formatted_tags);
5150
5151                 if ($num_tags < count($tags)) {
5152                         $tags_str .= ", &hellip;";
5153                 }
5154
5155                 if ($num_tags == 0) {
5156                         $tags_str = __("no tags");
5157                 }
5158
5159                 return $tags_str;
5160
5161         }
5162
5163         function format_article_labels($labels, $id) {
5164
5165                 $labels_str = "";
5166
5167                 foreach ($labels as $l) {
5168                         $labels_str .= sprintf("<span class='hlLabelRef'
5169                                 style='color : %s; background-color : %s'>%s</span>",
5170                                         $l[2], $l[3], $l[1]);
5171                         }
5172
5173                 return $labels_str;
5174
5175         }
5176
5177         function format_article_note($id, $note) {
5178
5179                 $str = "<div class='articleNote'        onclick=\"editArticleNote($id)\">
5180                         <div class='noteEdit' onclick=\"editArticleNote($id)\">".
5181                         __('(edit note)')."</div>$note</div>";
5182
5183                 return $str;
5184         }
5185
5186         function toggle_collapse_cat($link, $cat_id, $mode) {
5187                 if ($cat_id > 0) {
5188                         $mode = bool_to_sql_bool($mode);
5189
5190                         db_query($link, "UPDATE ttrss_feed_categories SET
5191                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
5192                                 $_SESSION["uid"]);
5193                 } else {
5194                         $pref_name = '';
5195
5196                         switch ($cat_id) {
5197                         case -1:
5198                                 $pref_name = '_COLLAPSED_SPECIAL';
5199                                 break;
5200                         case -2:
5201                                 $pref_name = '_COLLAPSED_LABELS';
5202                                 break;
5203                         case 0:
5204                                 $pref_name = '_COLLAPSED_UNCAT';
5205                                 break;
5206                         }
5207
5208                         if ($pref_name) {
5209                                 if ($mode) {
5210                                         set_pref($link, $pref_name, 'true');
5211                                 } else {
5212                                         set_pref($link, $pref_name, 'false');
5213                                 }
5214                         }
5215                 }
5216         }
5217
5218         function remove_feed($link, $id, $owner_uid) {
5219
5220                 if ($id > 0) {
5221
5222                         /* save starred articles in Archived feed */
5223
5224                         db_query($link, "BEGIN");
5225
5226                         /* prepare feed if necessary */
5227
5228                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
5229                                 WHERE id = '$id'");
5230
5231                         if (db_num_rows($result) == 0) {
5232                                 db_query($link, "INSERT INTO ttrss_archived_feeds
5233                                         (id, owner_uid, title, feed_url, site_url)
5234                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
5235                                 WHERE id = '$id'");
5236                         }
5237
5238                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
5239                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
5240                                         marked = true AND owner_uid = $owner_uid");
5241
5242                         /* Remove access key for the feed */
5243
5244                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
5245                                 feed_id = '$id' AND owner_uid = $owner_uid");
5246
5247                         /* remove the feed */
5248
5249                         db_query($link, "DELETE FROM ttrss_feeds
5250                                         WHERE id = '$id' AND owner_uid = $owner_uid");
5251
5252                         db_query($link, "COMMIT");
5253
5254                         if (file_exists(ICONS_DIR . "/$id.ico")) {
5255                                 unlink(ICONS_DIR . "/$id.ico");
5256                         }
5257
5258                         ccache_remove($link, $id, $owner_uid);
5259
5260                 } else {
5261                         label_remove($link, -11-$id, $owner_uid);
5262                         ccache_remove($link, -11-$id, $owner_uid);
5263                 }
5264         }
5265
5266         function add_feed_category($link, $feed_cat) {
5267
5268                 if (!$feed_cat) return false;
5269
5270                 db_query($link, "BEGIN");
5271
5272                 $result = db_query($link,
5273                         "SELECT id FROM ttrss_feed_categories
5274                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
5275
5276                 if (db_num_rows($result) == 0) {
5277
5278                         $result = db_query($link,
5279                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
5280                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
5281
5282                         db_query($link, "COMMIT");
5283
5284                         return true;
5285                 }
5286
5287                 return false;
5288         }
5289
5290         function remove_feed_category($link, $id, $owner_uid) {
5291
5292                 db_query($link, "DELETE FROM ttrss_feed_categories
5293                         WHERE id = '$id' AND owner_uid = $owner_uid");
5294
5295                 ccache_remove($link, $id, $owner_uid, true);
5296         }
5297
5298         function archive_article($link, $id, $owner_uid) {
5299                 db_query($link, "BEGIN");
5300
5301                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
5302                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
5303
5304                 if (db_num_rows($result) != 0) {
5305
5306                         /* prepare the archived table */
5307
5308                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
5309
5310                         if ($feed_id) {
5311                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
5312                                         WHERE id = '$feed_id'");
5313
5314                                 if (db_num_rows($result) == 0) {
5315                                         db_query($link, "INSERT INTO ttrss_archived_feeds
5316                                                 (id, owner_uid, title, feed_url, site_url)
5317                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
5318                                         WHERE id = '$feed_id'");
5319                                 }
5320
5321                                 db_query($link, "UPDATE ttrss_user_entries
5322                                         SET orig_feed_id = feed_id, feed_id = NULL
5323                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
5324                         }
5325                 }
5326
5327                 db_query($link, "COMMIT");
5328         }
5329
5330         function getArticleFeed($link, $id) {
5331                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
5332                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
5333
5334                 if (db_num_rows($result) != 0) {
5335                         return db_fetch_result($result, 0, "feed_id");
5336                 } else {
5337                         return 0;
5338                 }
5339         }
5340
5341         /**
5342          * Fixes incomplete URLs by prepending "http://".
5343          * Also replaces feed:// with http://, and
5344          * prepends a trailing slash if the url is a domain name only.
5345          *
5346          * @param string $url Possibly incomplete URL
5347          *
5348          * @return string Fixed URL.
5349          */
5350         function fix_url($url) {
5351                 if (strpos($url, '://') === false) {
5352                         $url = 'http://' . $url;
5353                 } else if (substr($url, 0, 5) == 'feed:') {
5354                         $url = 'http:' . substr($url, 5);
5355                 }
5356
5357                 //prepend slash if the URL has no slash in it
5358                 // "http://www.example" -> "http://www.example/"
5359                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
5360                         $url .= '/';
5361                 }
5362
5363                 if ($url != "http:///")
5364                         return $url;
5365                 else
5366                         return '';
5367         }
5368
5369         function validate_feed_url($url) {
5370                 $parts = parse_url($url);
5371
5372                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
5373
5374         }
5375
5376         function get_article_enclosures($link, $id) {
5377
5378                 global $memcache;
5379
5380                 $query = "SELECT * FROM ttrss_enclosures
5381                         WHERE post_id = '$id' AND content_url != ''";
5382
5383                 $obj_id = md5("ENCLOSURES:$id");
5384
5385                 $rv = array();
5386
5387                 if ($memcache && $obj = $memcache->get($obj_id)) {
5388                         $rv = $obj;
5389                 } else {
5390                         $result = db_query($link, $query);
5391
5392                         if (db_num_rows($result) > 0) {
5393                                 while ($line = db_fetch_assoc($result)) {
5394                                         array_push($rv, $line);
5395                                 }
5396                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
5397                         }
5398                 }
5399
5400                 return $rv;
5401         }
5402
5403         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
5404
5405                         $feeds = array();
5406
5407                         /* Labels */
5408
5409                         if ($cat_id == -4 || $cat_id == -2) {
5410                                 $counters = getLabelCounters($link, true);
5411
5412                                 foreach (array_values($counters) as $cv) {
5413
5414                                         $unread = $cv["counter"];
5415
5416                                         if ($unread || !$unread_only) {
5417
5418                                                 $row = array(
5419                                                                 "id" => $cv["id"],
5420                                                                 "title" => $cv["description"],
5421                                                                 "unread" => $cv["counter"],
5422                                                                 "cat_id" => -2,
5423                                                         );
5424
5425                                                 array_push($feeds, $row);
5426                                         }
5427                                 }
5428                         }
5429
5430                         /* Virtual feeds */
5431
5432                         if ($cat_id == -4 || $cat_id == -1) {
5433                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
5434                                         $unread = getFeedUnread($link, $i);
5435
5436                                         if ($unread || !$unread_only) {
5437                                                 $title = getFeedTitle($link, $i);
5438
5439                                                 $row = array(
5440                                                                 "id" => $i,
5441                                                                 "title" => $title,
5442                                                                 "unread" => $unread,
5443                                                                 "cat_id" => -1,
5444                                                         );
5445                                                 array_push($feeds, $row);
5446                                         }
5447
5448                                 }
5449                         }
5450
5451                         /* Real feeds */
5452
5453                         if ($limit) {
5454                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
5455                         } else {
5456                                 $limit_qpart = "";
5457                         }
5458
5459                         if ($cat_id == -4 || $cat_id == -3) {
5460                                 $result = db_query($link, "SELECT
5461                                         id, feed_url, cat_id, title, ".
5462                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
5463                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
5464                                                 " ORDER BY cat_id, title " . $limit_qpart);
5465                         } else {
5466
5467                                 if ($cat_id)
5468                                         $cat_qpart = "cat_id = '$cat_id'";
5469                                 else
5470                                         $cat_qpart = "cat_id IS NULL";
5471
5472                                 $result = db_query($link, "SELECT
5473                                         id, feed_url, cat_id, title, ".
5474                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
5475                                                 FROM ttrss_feeds WHERE
5476                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
5477                                                 " ORDER BY cat_id, title " . $limit_qpart);
5478                         }
5479
5480                         while ($line = db_fetch_assoc($result)) {
5481
5482                                 $unread = getFeedUnread($link, $line["id"]);
5483
5484                                 $has_icon = feed_has_icon($line['id']);
5485
5486                                 if ($unread || !$unread_only) {
5487
5488                                         $row = array(
5489                                                         "feed_url" => $line["feed_url"],
5490                                                         "title" => $line["title"],
5491                                                         "id" => (int)$line["id"],
5492                                                         "unread" => (int)$unread,
5493                                                         "has_icon" => $has_icon,
5494                                                         "cat_id" => (int)$line["cat_id"],
5495                                                         "last_updated" => strtotime($line["last_updated"])
5496                                                 );
5497
5498                                         array_push($feeds, $row);
5499                                 }
5500                         }
5501
5502                 return $feeds;
5503         }
5504
5505         function api_get_headlines($link, $feed_id, $limit, $offset,
5506                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
5507                                 $include_attachments, $since_id) {
5508
5509                         /* do not rely on params below */
5510
5511                         $search = db_escape_string($_REQUEST["search"]);
5512                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
5513                         $match_on = db_escape_string($_REQUEST["match_on"]);
5514
5515                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
5516                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
5517                                 $order, $offset, 0, false, $since_id);
5518
5519                         $result = $qfh_ret[0];
5520                         $feed_title = $qfh_ret[1];
5521
5522                         $headlines = array();
5523
5524                         while ($line = db_fetch_assoc($result)) {
5525                                 $is_updated = ($line["last_read"] == "" &&
5526                                         ($line["unread"] != "t" && $line["unread"] != "1"));
5527
5528                                 $tags = explode(",", $line["tag_cache"]);
5529                                 $labels = json_decode($line["label_cache"], true);
5530
5531                                 //if (!$tags) $tags = get_article_tags($link, $line["id"]);
5532                                 //if (!$labels) $labels = get_article_labels($link, $line["id"]);
5533
5534                                 $headline_row = array(
5535                                                 "id" => (int)$line["id"],
5536                                                 "unread" => sql_bool_to_bool($line["unread"]),
5537                                                 "marked" => sql_bool_to_bool($line["marked"]),
5538                                                 "published" => sql_bool_to_bool($line["published"]),
5539                                                 "updated" => strtotime($line["updated"]),
5540                                                 "is_updated" => $is_updated,
5541                                                 "title" => $line["title"],
5542                                                 "link" => $line["link"],
5543                                                 "feed_id" => $line["feed_id"],
5544                                                 "tags" => $tags,
5545                                         );
5546
5547                                         if ($include_attachments)
5548                                                 $headline_row['attachments'] = get_article_enclosures($link,
5549                                                         $line['id']);
5550
5551                                 if ($show_excerpt) {
5552                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
5553                                         $headline_row["excerpt"] = $excerpt;
5554                                 }
5555
5556                                 if ($show_content) {
5557                                         $headline_row["content"] = $line["content_preview"];
5558                                 }
5559
5560                                 // unify label output to ease parsing
5561                                 if ($labels["no-labels"] == 1) $labels = array();
5562
5563                                 $headline_row["labels"] = $labels;
5564
5565                                 array_push($headlines, $headline_row);
5566                         }
5567
5568                         return $headlines;
5569         }
5570
5571         function generate_error_feed($link, $error) {
5572                 $reply = array();
5573
5574                 $reply['headlines']['id'] = -6;
5575                 $reply['headlines']['is_cat'] = false;
5576
5577                 $reply['headlines']['toolbar'] = '';
5578                 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
5579
5580                 $reply['headlines-info'] = array("count" => 0,
5581                         "vgroup_last_feed" => '',
5582                         "unread" => 0,
5583                         "disable_cache" => true);
5584
5585                 return $reply;
5586         }
5587
5588
5589         function generate_dashboard_feed($link) {
5590                 $reply = array();
5591
5592                 $reply['headlines']['id'] = -5;
5593                 $reply['headlines']['is_cat'] = false;
5594
5595                 $reply['headlines']['toolbar'] = '';
5596                 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
5597
5598                 $reply['headlines']['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
5599
5600                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5601                         WHERE owner_uid = " . $_SESSION['uid']);
5602
5603                 $last_updated = db_fetch_result($result, 0, "last_updated");
5604                 $last_updated = make_local_datetime($link, $last_updated, false);
5605
5606                 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
5607
5608                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5609                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5610
5611                 $num_errors = db_fetch_result($result, 0, "num_errors");
5612
5613                 if ($num_errors > 0) {
5614                         $reply['headlines']['content'] .= "<br/>";
5615                         $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5616                                 __('Some feeds have update errors (click for details)')."</a>";
5617                 }
5618                 $reply['headlines']['content'] .= "</span></p>";
5619
5620                 $reply['headlines-info'] = array("count" => 0,
5621                         "vgroup_last_feed" => '',
5622                         "unread" => 0,
5623                         "disable_cache" => true);
5624
5625                 return $reply;
5626         }
5627
5628         function save_email_address($link, $email) {
5629                 // FIXME: implement persistent storage of emails
5630
5631                 if (!$_SESSION['stored_emails'])
5632                         $_SESSION['stored_emails'] = array();
5633
5634                 if (!in_array($email, $_SESSION['stored_emails']))
5635                         array_push($_SESSION['stored_emails'], $email);
5636         }
5637
5638         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
5639                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
5640
5641                 $sql_is_cat = bool_to_sql_bool($is_cat);
5642
5643                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
5644                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
5645                         AND owner_uid = " . $owner_uid);
5646
5647                 if (db_num_rows($result) == 1) {
5648                         $key = db_escape_string(sha1(uniqid(rand(), true)));
5649
5650                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
5651                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
5652                                 AND owner_uid = " . $owner_uid);
5653
5654                         return $key;
5655
5656                 } else {
5657                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
5658                 }
5659         }
5660
5661         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
5662
5663                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
5664
5665                 $sql_is_cat = bool_to_sql_bool($is_cat);
5666
5667                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
5668                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
5669                         AND owner_uid = " . $owner_uid);
5670
5671                 if (db_num_rows($result) == 1) {
5672                         return db_fetch_result($result, 0, "access_key");
5673                 } else {
5674                         $key = db_escape_string(sha1(uniqid(rand(), true)));
5675
5676                         $result = db_query($link, "INSERT INTO ttrss_access_keys
5677                                 (access_key, feed_id, is_cat, owner_uid)
5678                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
5679
5680                         return $key;
5681                 }
5682                 return false;
5683         }
5684
5685         /**
5686          * Extracts RSS/Atom feed URLs from the given HTML URL.
5687          *
5688          * @param string $url HTML page URL
5689          *
5690          * @return array Array of feeds. Key is the full URL, value the title
5691          */
5692         function get_feeds_from_html($url, $login = false, $pass = false)
5693         {
5694                 $url     = fix_url($url);
5695                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
5696
5697                 libxml_use_internal_errors(true);
5698
5699                 $content = @fetch_file_contents($url, false, $login, $pass);
5700
5701                 $doc = new DOMDocument();
5702                 $doc->loadHTML($content);
5703                 $xpath = new DOMXPath($doc);
5704                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
5705                 $feedUrls = array();
5706                 foreach ($entries as $entry) {
5707                         if ($entry->hasAttribute('href')) {
5708                                 $title = $entry->getAttribute('title');
5709                                 if ($title == '') {
5710                                         $title = $entry->getAttribute('type');
5711                                 }
5712                                 $feedUrl = rewrite_relative_url(
5713                                         $baseUrl, $entry->getAttribute('href')
5714                                 );
5715                                 $feedUrls[$feedUrl] = $title;
5716                         }
5717                 }
5718                 return $feedUrls;
5719         }
5720
5721         /**
5722          * Checks if the content behind the given URL is a HTML file
5723          *
5724          * @param string $url URL to check
5725          *
5726          * @return boolean True if the URL contains HTML content
5727          */
5728         function url_is_html($url, $login = false, $pass = false) {
5729                 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
5730
5731                 if (stripos($content, '<html>') === false
5732                         && stripos($content, '<html ') === false
5733                 ) {
5734                         return false;
5735                 }
5736
5737                 return true;
5738         }
5739
5740         function print_label_select($link, $name, $value, $attributes = "") {
5741
5742                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
5743                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
5744
5745                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
5746                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
5747
5748                 while ($line = db_fetch_assoc($result)) {
5749
5750                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
5751
5752                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
5753                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
5754
5755                 }
5756
5757 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
5758
5759                 print "</select>";
5760
5761
5762         }
5763
5764         function format_article_enclosures($link, $id, $always_display_enclosures,
5765                                         $article_content) {
5766
5767                 $result = get_article_enclosures($link, $id);
5768                 $rv = '';
5769
5770                 if (count($result) > 0) {
5771
5772                         $entries_html = array();
5773                         $entries = array();
5774
5775                         foreach ($result as $line) {
5776
5777                                 $url = $line["content_url"];
5778                                 $ctype = $line["content_type"];
5779
5780                                 if (!$ctype) $ctype = __("unknown type");
5781
5782 #                               $filename = substr($url, strrpos($url, "/")+1);
5783
5784                                 $entry = format_inline_player($link, $url, $ctype);
5785
5786 #                               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5787 #                                       $filename . " (" . $ctype . ")" . "</a>";
5788
5789                                 array_push($entries_html, $entry);
5790
5791                                 $entry = array();
5792
5793                                 $entry["type"] = $ctype;
5794                                 $entry["filename"] = $filename;
5795                                 $entry["url"] = $url;
5796
5797                                 array_push($entries, $entry);
5798                         }
5799
5800                         $rv .= "<div class=\"postEnclosures\">";
5801
5802                         if (!get_pref($link, "STRIP_IMAGES")) {
5803                                 if ($always_display_enclosures ||
5804                                                         !preg_match("/<img/i", $article_content)) {
5805
5806                                         foreach ($entries as $entry) {
5807
5808                                                 if (preg_match("/image/", $entry["type"]) ||
5809                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
5810
5811                                                                 $rv .= "<p><img
5812                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5813                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
5814                                                 }
5815                                         }
5816                                 }
5817                         }
5818
5819                         if (count($entries) == 1) {
5820                                 $rv .= __("Attachment:") . " ";
5821                         } else {
5822                                 $rv .= __("Attachments:") . " ";
5823                         }
5824
5825                         $rv .= join(", ", $entries_html);
5826
5827                         $rv .= "</div>";
5828                 }
5829
5830                 return $rv;
5831         }
5832
5833         function getLastArticleId($link) {
5834                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
5835                         WHERE owner_uid = " . $_SESSION["uid"]);
5836
5837                 if (db_num_rows($result) == 1) {
5838                         return db_fetch_result($result, 0, "id");
5839                 } else {
5840                         return -1;
5841                 }
5842         }
5843
5844         function build_url($parts) {
5845                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
5846         }
5847
5848         /**
5849          * Converts a (possibly) relative URL to a absolute one.
5850          *
5851          * @param string $url     Base URL (i.e. from where the document is)
5852          * @param string $rel_url Possibly relative URL in the document
5853          *
5854          * @return string Absolute URL
5855          */
5856         function rewrite_relative_url($url, $rel_url) {
5857                 if (strpos($rel_url, "://") !== false) {
5858                         return $rel_url;
5859                 } else if (strpos($rel_url, "/") === 0)
5860                 {
5861                         $parts = parse_url($url);
5862                         $parts['path'] = $rel_url;
5863
5864                         return build_url($parts);
5865
5866                 } else {
5867                         $parts = parse_url($url);
5868                         if (!isset($parts['path'])) {
5869                                 $parts['path'] = '/';
5870                         }
5871                         $dir = $parts['path'];
5872                         if (substr($dir, -1) !== '/') {
5873                                 $dir = dirname($parts['path']);
5874                                 $dir !== '/' && $dir .= '/';
5875                         }
5876                         $parts['path'] = $dir . $rel_url;
5877
5878                         return build_url($parts);
5879                 }
5880         }
5881
5882         function sphinx_search($query, $offset = 0, $limit = 30) {
5883                 require_once 'lib/sphinxapi.php';
5884
5885                 $sphinxClient = new SphinxClient();
5886
5887                 $sphinxClient->SetServer('localhost', 9312);
5888                 $sphinxClient->SetConnectTimeout(1);
5889
5890                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
5891                         'feed_title' => 20));
5892
5893                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
5894                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
5895                 $sphinxClient->SetLimits($offset, $limit, 1000);
5896                 $sphinxClient->SetArrayResult(false);
5897                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
5898
5899                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
5900
5901                 $ids = array();
5902
5903                 if (is_array($result['matches'])) {
5904                         foreach (array_keys($result['matches']) as $int_id) {
5905                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
5906                                 array_push($ids, $ref_id);
5907                         }
5908                 }
5909
5910                 return $ids;
5911         }
5912
5913         function cleanup_tags($link, $days = 14, $limit = 1000) {
5914
5915                 if (DB_TYPE == "pgsql") {
5916                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
5917                 } else if (DB_TYPE == "mysql") {
5918                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
5919                 }
5920
5921                 $tags_deleted = 0;
5922
5923                 while ($limit > 0) {
5924                         $limit_part = 500;
5925
5926                         $query = "SELECT ttrss_tags.id AS id
5927                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
5928                                 WHERE post_int_id = int_id AND $interval_query AND
5929                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
5930
5931                         $result = db_query($link, $query);
5932
5933                         $ids = array();
5934
5935                         while ($line = db_fetch_assoc($result)) {
5936                                 array_push($ids, $line['id']);
5937                         }
5938
5939                         if (count($ids) > 0) {
5940                                 $ids = join(",", $ids);
5941                                 print ".";
5942
5943                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
5944                                 $tags_deleted += db_affected_rows($link, $tmp_result);
5945                         } else {
5946                                 break;
5947                         }
5948
5949                         $limit -= $limit_part;
5950                 }
5951
5952                 print "\n";
5953
5954                 return $tags_deleted;
5955         }
5956
5957         function feedlist_init_cat($link, $cat_id, $hidden = false) {
5958                 $obj = array();
5959                 $cat_id = (int) $cat_id;
5960
5961                 if ($cat_id > 0) {
5962                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
5963                 } else if ($cat_id == 0 || $cat_id == -2) {
5964                         $cat_unread = getCategoryUnread($link, $cat_id);
5965                 }
5966
5967                 $obj['id'] = 'CAT:' . $cat_id;
5968                 $obj['items'] = array();
5969                 $obj['name'] = getCategoryTitle($link, $cat_id);
5970                 $obj['type'] = 'feed';
5971                 $obj['unread'] = (int) $cat_unread;
5972                 $obj['hidden'] = $hidden;
5973                 $obj['bare_id'] = $cat_id;
5974
5975                 return $obj;
5976         }
5977
5978         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
5979                 $obj = array();
5980                 $feed_id = (int) $feed_id;
5981
5982                 if (!$title)
5983                         $title = getFeedTitle($link, $feed_id, false);
5984
5985                 if ($unread === false)
5986                         $unread = getFeedUnread($link, $feed_id, false);
5987
5988                 $obj['id'] = 'FEED:' . $feed_id;
5989                 $obj['name'] = $title;
5990                 $obj['unread'] = (int) $unread;
5991                 $obj['type'] = 'feed';
5992                 $obj['error'] = $error;
5993                 $obj['updated'] = $updated;
5994                 $obj['icon'] = getFeedIcon($feed_id);
5995                 $obj['bare_id'] = $feed_id;
5996
5997                 return $obj;
5998         }
5999
6000
6001
6002         function print_user_stylesheet($link) {
6003                 $value = get_pref($link, 'USER_STYLESHEET');
6004
6005                 if ($value) {
6006                         print "<style type=\"text/css\">";
6007                         print str_replace("<br/>", "\n", $value);
6008                         print "</style>";
6009                 }
6010
6011         }
6012
6013         function rewrite_urls($line) {
6014                 global $url_regex;
6015
6016                 $urls = null;
6017
6018                 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
6019                         "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
6020
6021                 return $result;
6022         }
6023
6024         function filter_to_sql($filter) {
6025                 $query = "";
6026
6027                 if (DB_TYPE == "pgsql")
6028                         $reg_qpart = "~";
6029                 else
6030                         $reg_qpart = "REGEXP";
6031
6032                 switch ($filter["type"]) {
6033                         case "title":
6034                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
6035                                         $filter['reg_exp'] . "')";
6036                                 break;
6037                         case "content":
6038                                 $query = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
6039                                         $filter['reg_exp'] . "')";
6040                                 break;
6041                         case "both":
6042                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
6043                                         $filter['reg_exp'] . "') OR LOWER(" .
6044                                         "ttrss_entries.content) $reg_qpart LOWER('" . $filter['reg_exp'] . "')";
6045                                 break;
6046                         case "tag":
6047                                 $query = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
6048                                         $filter['reg_exp'] . "')";
6049                                 break;
6050                         case "link":
6051                                 $query = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
6052                                         $filter['reg_exp'] . "')";
6053                                 break;
6054                         case "date":
6055
6056                                 if ($filter["filter_param"] == "before")
6057                                         $cmp_qpart = "<";
6058                                 else
6059                                         $cmp_qpart = ">=";
6060
6061                                 $timestamp = date("Y-m-d H:N:s", strtotime($filter["reg_exp"]));
6062                                 $query = "ttrss_entries.date_entered $cmp_qpart '$timestamp'";
6063                                 break;
6064                         case "author":
6065                                 $query = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
6066                                         $filter['reg_exp'] . "')";
6067                                 break;
6068                 }
6069
6070                 if ($filter["inverse"])
6071                         $query = "NOT ($query)";
6072
6073                 if ($query) {
6074                         if (DB_TYPE == "pgsql") {
6075                                 $query = " ($query) AND ttrss_entries.date_entered > NOW() - INTERVAL '14 days'";
6076                         } else {
6077                                 $query = " ($query) AND ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL 14 DAY)";
6078                         }
6079                         $query .= " AND ";
6080                 }
6081
6082
6083                 return $query;
6084         }
6085
6086         // Status codes:
6087         // -1  - never connected
6088         // 0   - no data received
6089         // 1   - data received successfully
6090         // 2   - did not receive valid data
6091         // >10 - server error, code + 10 (e.g. 16 means server error 6)
6092
6093         function get_linked_feeds($link, $instance_id = false) {
6094                 if ($instance_id)
6095                         $instance_qpart = "id = '$instance_id' AND ";
6096                 else
6097                         $instance_qpart = "";
6098
6099                 if (DB_TYPE == "pgsql") {
6100                         $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
6101                 } else {
6102                         $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
6103                 }
6104
6105                 $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
6106                         WHERE $instance_qpart $date_qpart ORDER BY last_connected");
6107
6108                 while ($line = db_fetch_assoc($result)) {
6109                         $id = $line['id'];
6110
6111                         _debug("Updating: " . $line['access_url'] . " ($id)");
6112
6113                         $fetch_url = $line['access_url'] . '/public.php?op=fbexport';
6114                         $post_query = 'key=' . $line['access_key'];
6115
6116                         $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
6117
6118                         // try doing it the old way
6119                         if (!$feeds) {
6120                                 $fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
6121                                 $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
6122                         }
6123
6124                         if ($feeds) {
6125                                 $feeds = json_decode($feeds, true);
6126
6127                                 if ($feeds) {
6128                                         if ($feeds['error']) {
6129                                                 $status = $feeds['error']['code'] + 10;
6130                                         } else {
6131                                                 $status = 1;
6132
6133                                                 if (count($feeds['feeds']) > 0) {
6134
6135                                                         db_query($link, "DELETE FROM ttrss_linked_feeds
6136                                                                 WHERE instance_id = '$id'");
6137
6138                                                         foreach ($feeds['feeds'] as $feed) {
6139                                                                 $feed_url = db_escape_string($feed['feed_url']);
6140                                                                 $title = db_escape_string($feed['title']);
6141                                                                 $subscribers = db_escape_string($feed['subscribers']);
6142                                                                 $site_url = db_escape_string($feed['site_url']);
6143
6144                                                                 db_query($link, "INSERT INTO ttrss_linked_feeds
6145                                                                         (feed_url, site_url, title, subscribers, instance_id, created, updated)
6146                                                                 VALUES
6147                                                                         ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
6148                                                         }
6149                                                 } else {
6150                                                         // received 0 feeds, this might indicate that
6151                                                         // the instance on the other hand is rebuilding feedbrowser cache
6152                                                         // we will try again later
6153
6154                                                         // TODO: maybe perform expiration based on updated here?
6155                                                 }
6156
6157                                                 _debug("Processed " . count($feeds['feeds']) . " feeds.");
6158                                         }
6159                                 } else {
6160                                         $status = 2;
6161                                 }
6162
6163                         } else {
6164                                 $status = 0;
6165                         }
6166
6167                         _debug("Status: $status");
6168
6169                         db_query($link, "UPDATE ttrss_linked_instances SET
6170                                 last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
6171
6172                 }
6173         }
6174
6175         function make_feed_browser($link, $search, $limit, $mode = 1) {
6176
6177                 $owner_uid = $_SESSION["uid"];
6178                 $rv = '';
6179
6180                 if ($search) {
6181                         $search_qpart = "AND (UPPER(feed_url) LIKE UPPER('%$search%') OR
6182                                                 UPPER(title) LIKE UPPER('%$search%'))";
6183                 } else {
6184                         $search_qpart = "";
6185                 }
6186
6187                 if ($mode == 1) {
6188                         /* $result = db_query($link, "SELECT feed_url, subscribers FROM
6189                          ttrss_feedbrowser_cache WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
6190                         WHERE tf.feed_url = ttrss_feedbrowser_cache.feed_url
6191                         AND owner_uid = '$owner_uid') $search_qpart
6192                         ORDER BY subscribers DESC LIMIT $limit"); */
6193
6194                         $result = db_query($link, "SELECT feed_url, site_url, title, SUM(subscribers) AS subscribers FROM
6195                                                 (SELECT feed_url, site_url, title, subscribers FROM ttrss_feedbrowser_cache UNION ALL
6196                                                         SELECT feed_url, site_url, title, subscribers FROM ttrss_linked_feeds) AS qqq
6197                                                 WHERE
6198                                                         (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
6199                                                                 WHERE tf.feed_url = qqq.feed_url
6200                                                                         AND owner_uid = '$owner_uid') $search_qpart
6201                                                 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT $limit");
6202
6203                 } else if ($mode == 2) {
6204                         $result = db_query($link, "SELECT *,
6205                                                 (SELECT COUNT(*) FROM ttrss_user_entries WHERE
6206                                                         orig_feed_id = ttrss_archived_feeds.id) AS articles_archived
6207                                                 FROM
6208                                                         ttrss_archived_feeds
6209                                                 WHERE
6210                                                 (SELECT COUNT(*) FROM ttrss_feeds
6211                                                         WHERE ttrss_feeds.feed_url = ttrss_archived_feeds.feed_url AND
6212                                                                 owner_uid = '$owner_uid') = 0   AND
6213                                                 owner_uid = '$owner_uid' $search_qpart
6214                                                 ORDER BY id DESC LIMIT $limit");
6215                 }
6216
6217                 $feedctr = 0;
6218
6219                 while ($line = db_fetch_assoc($result)) {
6220
6221                         if ($mode == 1) {
6222
6223                                 $feed_url = htmlspecialchars($line["feed_url"]);
6224                                 $site_url = htmlspecialchars($line["site_url"]);
6225                                 $subscribers = $line["subscribers"];
6226
6227                                 $check_box = "<input onclick='toggleSelectListRow2(this)'
6228                                                         dojoType=\"dijit.form.CheckBox\"
6229                                                         type=\"checkbox\" \">";
6230
6231                                 $class = ($feedctr % 2) ? "even" : "odd";
6232
6233                                 $site_url = "<a target=\"_blank\"
6234                                                         href=\"$site_url\">
6235                                                         <span class=\"fb_feedTitle\">".
6236                                 htmlspecialchars($line["title"])."</span></a>";
6237
6238                                 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
6239                                                         href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
6240                                                         style='vertical-align : middle'></a>";
6241
6242                                 $rv .= "<li>$check_box $feed_url $site_url".
6243                                                         "&nbsp;<span class='subscribers'>($subscribers)</span></li>";
6244
6245                         } else if ($mode == 2) {
6246                                 $feed_url = htmlspecialchars($line["feed_url"]);
6247                                 $site_url = htmlspecialchars($line["site_url"]);
6248                                 $title = htmlspecialchars($line["title"]);
6249
6250                                 $check_box = "<input onclick='toggleSelectListRow2(this)' dojoType=\"dijit.form.CheckBox\"
6251                                                         type=\"checkbox\">";
6252
6253                                 $class = ($feedctr % 2) ? "even" : "odd";
6254
6255                                 if ($line['articles_archived'] > 0) {
6256                                         $archived = sprintf(__("%d archived articles"), $line['articles_archived']);
6257                                         $archived = "&nbsp;<span class='subscribers'>($archived)</span>";
6258                                 } else {
6259                                         $archived = '';
6260                                 }
6261
6262                                 $site_url = "<a target=\"_blank\"
6263                                                         href=\"$site_url\">
6264                                                         <span class=\"fb_feedTitle\">".
6265                                 htmlspecialchars($line["title"])."</span></a>";
6266
6267                                 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
6268                                                         href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
6269                                                         style='vertical-align : middle'></a>";
6270
6271
6272                                 $rv .= "<li id=\"FBROW-".$line["id"]."\">".
6273                                                         "$check_box $feed_url $site_url $archived</li>";
6274                         }
6275
6276                         ++$feedctr;
6277                 }
6278
6279                 if ($feedctr == 0) {
6280                         $rv .= "<li style=\"text-align : center\"><p>".__('No feeds found.')."</p></li>";
6281                 }
6282
6283                 return $rv;
6284         }
6285
6286 ?>