functions.php

   1 <?
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10         require_once 'db-prefs.php';
  11         require_once 'compat.php';
  12         require_once 'errors.php';
  13
  14         require_once 'magpierss/rss_utils.inc';
  15
  16         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  17
  18         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
  19
  20                 $rows = -1;
  21
  22                 if (DB_TYPE == "pgsql") {
  23 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  24                                 marked = false AND feed_id = '$feed_id' AND
  25                                 (SELECT date_entered FROM ttrss_entries WHERE
  26                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
  27
  28                         $pg_version = get_pgsql_version($link);
  29
  30                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
  31
  32                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  33                                         ttrss_entries.id = ref_id AND
  34                                         marked = false AND
  35                                         feed_id = '$feed_id' AND
  36                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
  37
  38                         } else {
  39
  40                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
  41                                         USING ttrss_entries
  42                                         WHERE ttrss_entries.id = ref_id AND
  43                                         marked = false AND
  44                                         feed_id = '$feed_id' AND
  45                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
  46                         }
  47
  48                         $rows = pg_affected_rows($result);
  49
  50                 } else {
  51
  52 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  53                                 marked = false AND feed_id = '$feed_id' AND
  54                                 (SELECT date_entered FROM ttrss_entries WHERE
  55                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
  56
  57                         $result = db_query($link, "DELETE FROM ttrss_user_entries
  58                                 USING ttrss_user_entries, ttrss_entries
  59                                 WHERE ttrss_entries.id = ref_id AND
  60                                 marked = false AND
  61                                 feed_id = '$feed_id' AND
  62                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
  63
  64                         $rows = mysql_affected_rows($link);
  65
  66                 }
  67
  68                 if ($debug) {
  69                         print "Purged feed $feed_id ($purge_interval): deleted $rows articles\n";
  70                 }
  71         }
  72
  73         function global_purge_old_posts($link, $do_output = false, $limit = false) {
  74
  75                 $random_qpart = sql_random_function();
  76
  77                 if ($limit) {
  78                         $limit_qpart = "LIMIT $limit";
  79                 } else {
  80                         $limit_qpart = "";
  81                 }
  82
  83                 $result = db_query($link,
  84                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
  85                                 ORDER BY $random_qpart $limit_qpart");
  86
  87                 while ($line = db_fetch_assoc($result)) {
  88
  89                         $feed_id = $line["id"];
  90                         $purge_interval = $line["purge_interval"];
  91                         $owner_uid = $line["owner_uid"];
  92
  93                         if ($purge_interval == 0) {
  94
  95                                 $tmp_result = db_query($link,
  96                                         "SELECT value FROM ttrss_user_prefs WHERE
  97                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
  98
  99                                 if (db_num_rows($tmp_result) != 0) {
 100                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 101                                 }
 102                         }
 103
 104                         if ($do_output) {
 105 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 106                         }
 107
 108                         if ($purge_interval > 0) {
 109                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 110                         }
 111                 }
 112
 113                 // purge orphaned posts in main content table
 114                 db_query($link, "DELETE FROM ttrss_entries WHERE
 115                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 116
 117         }
 118
 119         function purge_old_posts($link) {
 120
 121                 $user_id = $_SESSION["uid"];
 122
 123                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 124                         WHERE owner_uid = '$user_id'");
 125
 126                 while ($line = db_fetch_assoc($result)) {
 127
 128                         $feed_id = $line["id"];
 129                         $purge_interval = $line["purge_interval"];
 130
 131                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 132
 133                         if ($purge_interval > 0) {
 134                                 purge_feed($link, $feed_id, $purge_interval);
 135                         }
 136                 }
 137
 138                 // purge orphaned posts in main content table
 139                 db_query($link, "DELETE FROM ttrss_entries WHERE
 140                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 141         }
 142
 143         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 144
 145                 if (WEB_DEMO_MODE) return;
 146
 147                 if (!$user_id) {
 148                         $user_id = $_SESSION["uid"];
 149                         purge_old_posts($link);
 150                 }
 151
 152 //              db_query($link, "BEGIN");
 153
 154                 if (MAX_UPDATE_TIME > 0) {
 155                         if (DB_TYPE == "mysql") {
 156                                 $q_order = "RAND()";
 157                         } else {
 158                                 $q_order = "RANDOM()";
 159                         }
 160                 } else {
 161                         $q_order = "last_updated DESC";
 162                 }
 163
 164                 $result = db_query($link, "SELECT feed_url,id,
 165                         SUBSTRING(last_updated,1,19) AS last_updated,
 166                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 167                         ORDER BY $q_order");
 168
 169                 $upd_start = time();
 170
 171                 while ($line = db_fetch_assoc($result)) {
 172                         $upd_intl = $line["update_interval"];
 173
 174                         if (!$upd_intl || $upd_intl == 0) {
 175                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
 176                         }
 177
 178                         if ($upd_intl < 0) {
 179                                 // Updates for this feed are disabled
 180                                 continue;
 181                         }
 182
 183                         if ($fetch || (!$line["last_updated"] ||
 184                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 185
 186 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 187
 188                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 189
 190                                 $upd_elapsed = time() - $upd_start;
 191
 192                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 193                                         return;
 194                                 }
 195                         }
 196                 }
 197
 198 //              db_query($link, "COMMIT");
 199
 200         }
 201
 202         function check_feed_favicon($feed_url, $feed, $link) {
 203                 $feed_url = str_replace("http://", "", $feed_url);
 204                 $feed_url = preg_replace("/\/.*$/", "", $feed_url);
 205
 206                 $icon_url = "http://$feed_url/favicon.ico";
 207                 $icon_file = ICONS_DIR . "/$feed.ico";
 208
 209                 if (!file_exists($icon_file)) {
 210
 211                         error_reporting(0);
 212                         $r = fopen($icon_url, "r");
 213                         error_reporting (DEFAULT_ERROR_LEVEL);
 214
 215                         if ($r) {
 216                                 $tmpfname = tempnam(TMP_DIRECTORY, "ttrssicon");
 217
 218                                 $t = fopen($tmpfname, "w");
 219
 220                                 while (!feof($r)) {
 221                                         $buf = fread($r, 16384);
 222                                         fwrite($t, $buf);
 223                                 }
 224
 225                                 fclose($r);
 226                                 fclose($t);
 227
 228                                 error_reporting(0);
 229                                 if (!rename($tmpfname, $icon_file)) {
 230                                         unlink($tmpfname);
 231                                 }
 232
 233                                 chmod($icon_file, 0644);
 234
 235                                 error_reporting (DEFAULT_ERROR_LEVEL);
 236
 237                         }
 238                 }
 239         }
 240
 241         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 242
 243                 if (WEB_DEMO_MODE) return;
 244
 245                 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
 246                         return;
 247                 }
 248
 249                 $result = db_query($link, "SELECT update_interval,auth_login,auth_pass
 250                         FROM ttrss_feeds WHERE id = '$feed'");
 251
 252                 $auth_login = db_fetch_result($result, 0, "auth_login");
 253                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 254
 255                 $update_interval = db_fetch_result($result, 0, "update_interval");
 256
 257                 if ($update_interval < 0) { return; }
 258
 259                 $feed = db_escape_string($feed);
 260
 261                 $fetch_url = $feed_url;
 262
 263                 if ($auth_login && $auth_pass) {
 264                         $url_parts = array();
 265                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 266
 267                         if ($url_parts[1] && $url_parts[2]) {
 268                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 269                         }
 270
 271                 }
 272                 error_reporting(0);
 273                 $rss = fetch_rss($fetch_url);
 274
 275                 error_reporting (DEFAULT_ERROR_LEVEL);
 276
 277                 $feed = db_escape_string($feed);
 278
 279                 if ($rss) {
 280
 281 //                      db_query($link, "BEGIN");
 282
 283                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 284                                 FROM ttrss_feeds WHERE id = '$feed'");
 285
 286                         $registered_title = db_fetch_result($result, 0, "title");
 287                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 288                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 289
 290                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 291
 292                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid)) {
 293                                 check_feed_favicon($feed_url, $feed, $link);
 294                         }
 295
 296                         if (!$registered_title || $registered_title == "[Unknown]") {
 297                                 $feed_title = db_escape_string($rss->channel["title"]);
 298                                 db_query($link, "UPDATE ttrss_feeds SET
 299                                         title = '$feed_title' WHERE id = '$feed'");
 300                         }
 301
 302                         $site_url = $rss->channel["link"];
 303                         // weird, weird Magpie
 304                         if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 305
 306                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 307                                 db_query($link, "UPDATE ttrss_feeds SET
 308                                         site_url = '$site_url' WHERE id = '$feed'");
 309                         }
 310
 311 //                      print "I: " . $rss->channel["image"]["url"];
 312
 313                         $icon_url = $rss->image["url"];
 314
 315                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 316                                 $icon_url = db_escape_string($icon_url);
 317                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 318                         }
 319
 320
 321                         $filters = array();
 322
 323                         $result = db_query($link, "SELECT reg_exp,
 324                                 ttrss_filter_types.name AS name,
 325                                 ttrss_filter_actions.name AS action
 326                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 327                                         owner_uid = $owner_uid AND
 328                                         ttrss_filter_types.id = filter_type AND
 329                                         ttrss_filter_actions.id = action_id AND
 330                                 (feed_id IS NULL OR feed_id = '$feed')");
 331
 332                         while ($line = db_fetch_assoc($result)) {
 333                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 334
 335                                 $filter["reg_exp"] = $line["reg_exp"];
 336                                 $filter["action"] = $line["action"];
 337
 338                                 array_push($filters[$line["name"]], $filter);
 339                         }
 340
 341                         $iterator = $rss->items;
 342
 343                         if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 344                         if (!$iterator || !is_array($iterator)) $iterator = $rss;
 345
 346                         if (!is_array($iterator)) {
 347                                 db_query($link, "UPDATE ttrss_feeds
 348                                         SET last_error = 'Parse error: can\'t find any articles.'
 349                                                 WHERE id = '$feed'");
 350                                 return; // WTF?
 351                         }
 352
 353                         foreach ($iterator as $item) {
 354
 355                                 $entry_guid = $item["id"];
 356
 357                                 if (!$entry_guid) $entry_guid = $item["guid"];
 358                                 if (!$entry_guid) $entry_guid = $item["link"];
 359
 360                                 if (!$entry_guid) continue;
 361
 362                                 $entry_timestamp = "";
 363
 364                                 $rss_2_date = $item['pubdate'];
 365                                 $rss_1_date = $item['dc']['date'];
 366                                 $atom_date = $item['issued'];
 367                                 if (!$atom_date) $atom_date = $item['updated'];
 368
 369                                 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 370                                 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 371                                 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 372
 373                                 if ($entry_timestamp == "") {
 374                                         $entry_timestamp = time();
 375                                         $no_orig_date = 'true';
 376                                 } else {
 377                                         $no_orig_date = 'false';
 378                                 }
 379
 380                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 381
 382                                 $entry_title = $item["title"];
 383
 384                                 // strange Magpie workaround
 385                                 $entry_link = $item["link_"];
 386                                 if (!$entry_link) $entry_link = $item["link"];
 387
 388                                 if (!$entry_title) continue;
 389                                 if (!$entry_link) continue;
 390
 391                                 $entry_content = $item["content:escaped"];
 392
 393                                 if (!$entry_content) $entry_content = $item["content:encoded"];
 394                                 if (!$entry_content) $entry_content = $item["content"];
 395                                 if (!$entry_content) $entry_content = $item["summary"];
 396                                 if (!$entry_content) $entry_content = $item["description"];
 397
 398 //                              if (!$entry_content) continue;
 399
 400                                 // WTF
 401                                 if (is_array($entry_content)) {
 402                                         $entry_content = $entry_content["encoded"];
 403                                         if (!$entry_content) $entry_content = $entry_content["escaped"];
 404                                 }
 405
 406 //                              print_r($item);
 407 //                              print_r(htmlspecialchars($entry_content));
 408 //                              print "<br>";
 409
 410                                 $entry_content_unescaped = $entry_content;
 411                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 412
 413                                 $entry_comments = $item["comments"];
 414
 415                                 $entry_author = db_escape_string($item['dc']['creator']);
 416
 417                                 $entry_guid = db_escape_string($entry_guid);
 418
 419                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 420                                         WHERE guid = '$entry_guid'");
 421
 422                                 $entry_content = db_escape_string($entry_content);
 423                                 $entry_title = db_escape_string($entry_title);
 424                                 $entry_link = db_escape_string($entry_link);
 425                                 $entry_comments = db_escape_string($entry_comments);
 426
 427                                 $num_comments = db_escape_string($item["slash"]["comments"]);
 428
 429                                 if (!$num_comments) $num_comments = 0;
 430
 431                                 db_query($link, "BEGIN");
 432
 433                                 if (db_num_rows($result) == 0) {
 434
 435                                         // base post entry does not exist, create it
 436
 437                                         $result = db_query($link,
 438                                                 "INSERT INTO ttrss_entries
 439                                                         (title,
 440                                                         guid,
 441                                                         link,
 442                                                         updated,
 443                                                         content,
 444                                                         content_hash,
 445                                                         no_orig_date,
 446                                                         date_entered,
 447                                                         comments,
 448                                                         num_comments,
 449                                                         author)
 450                                                 VALUES
 451                                                         ('$entry_title',
 452                                                         '$entry_guid',
 453                                                         '$entry_link',
 454                                                         '$entry_timestamp_fmt',
 455                                                         '$entry_content',
 456                                                         '$content_hash',
 457                                                         $no_orig_date,
 458                                                         NOW(),
 459                                                         '$entry_comments',
 460                                                         '$num_comments',
 461                                                         '$entry_author')");
 462                                 } else {
 463                                         // we keep encountering the entry in feeds, so we need to
 464                                         // update date_entered column so that we don't get horrible
 465                                         // dupes when the entry gets purged and reinserted again e.g.
 466                                         // in the case of SLOW SLOW OMG SLOW updating feeds
 467
 468                                         $base_entry_id = db_fetch_result($result, 0, "id");
 469
 470                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
 471                                                 WHERE id = '$base_entry_id'");
 472                                 }
 473
 474                                 // now it should exist, if not - bad luck then
 475
 476                                 $result = db_query($link, "SELECT
 477                                                 id,content_hash,no_orig_date,title,
 478                                                 substring(date_entered,1,19) as date_entered,
 479                                                 substring(updated,1,19) as updated,
 480                                                 num_comments
 481                                         FROM
 482                                                 ttrss_entries
 483                                         WHERE guid = '$entry_guid'");
 484
 485                                 if (db_num_rows($result) == 1) {
 486
 487                                         // this will be used below in update handler
 488                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
 489                                         $orig_title = db_fetch_result($result, 0, "title");
 490                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
 491                                         $orig_date_entered = strtotime(db_fetch_result($result,
 492                                                 0, "date_entered"));
 493
 494                                         $ref_id = db_fetch_result($result, 0, "id");
 495
 496                                         // check for user post link to main table
 497
 498                                         // do we allow duplicate posts with same GUID in different feeds?
 499                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid)) {
 500                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
 501                                         } else {
 502                                                 $dupcheck_qpart = "";
 503                                         }
 504
 505 //                                      error_reporting(0);
 506
 507                                         $filter_name = get_filter_name($entry_title, $entry_content,
 508                                                 $entry_link, $filters);
 509
 510                                         if ($filter_name == "filter") {
 511                                                 continue;
 512                                         }
 513
 514 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
 515
 516                                         $result = db_query($link,
 517                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
 518                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
 519                                                         $dupcheck_qpart");
 520
 521                                         // okay it doesn't exist - create user entry
 522                                         if (db_num_rows($result) == 0) {
 523
 524                                                 if ($filter_name != 'catchup') {
 525                                                         $unread = 'true';
 526                                                         $last_read_qpart = 'NULL';
 527                                                 } else {
 528                                                         $unread = 'false';
 529                                                         $last_read_qpart = 'NOW()';
 530                                                 }
 531
 532                                                 $result = db_query($link,
 533                                                         "INSERT INTO ttrss_user_entries
 534                                                                 (ref_id, owner_uid, feed_id, unread, last_read)
 535                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
 536                                                                 $last_read_qpart)");
 537                                         }
 538
 539                                         $post_needs_update = false;
 540
 541                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
 542                                                 ($content_hash != $orig_content_hash)) {
 543                                                 $post_needs_update = true;
 544                                         }
 545
 546                                         if ($orig_title != $entry_title) {
 547                                                 $post_needs_update = true;
 548                                         }
 549
 550                                         if ($orig_num_comments != $num_comments) {
 551                                                 $post_needs_update = true;
 552                                         }
 553
 554 //                                      this doesn't seem to be very reliable
 555 //
 556 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
 557 //                                              $post_needs_update = true;
 558 //                                      }
 559
 560                                         // if post needs update, update it and mark all user entries
 561                                         // linking to this post as updated
 562                                         if ($post_needs_update) {
 563
 564 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
 565
 566                                                 db_query($link, "UPDATE ttrss_entries
 567                                                         SET title = '$entry_title', content = '$entry_content',
 568                                                                 num_comments = '$num_comments'
 569                                                         WHERE id = '$ref_id'");
 570
 571                                                 db_query($link, "UPDATE ttrss_user_entries
 572                                                         SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
 573
 574                                         }
 575                                 }
 576
 577                                 db_query($link, "COMMIT");
 578
 579                                 /* taaaags */
 580                                 // <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
 581
 582                                 $entry_tags = null;
 583
 584                                 preg_match_all("/<a.*?href=.http:\/\/.*?technorati.com\/tag\/([^\"\'>]+)/i",
 585                                         $entry_content_unescaped, $entry_tags);
 586
 587 //                              print "<br>$entry_title : $entry_content_unescaped<br>";
 588 //                              print_r($entry_tags);
 589 //                              print "<br>";
 590
 591                                 $entry_tags = $entry_tags[1];
 592
 593                                 if (count($entry_tags) > 0) {
 594
 595                                         db_query($link, "BEGIN");
 596
 597                                         $result = db_query($link, "SELECT id,int_id
 598                                                 FROM ttrss_entries,ttrss_user_entries
 599                                                 WHERE guid = '$entry_guid'
 600                                                 AND feed_id = '$feed' AND ref_id = id
 601                                                 AND owner_uid = '$owner_uid'");
 602
 603                                         if (db_num_rows($result) == 1) {
 604
 605                                                 $entry_id = db_fetch_result($result, 0, "id");
 606                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
 607
 608                                                 foreach ($entry_tags as $tag) {
 609                                                         $tag = db_escape_string(strtolower($tag));
 610
 611                                                         $tag = str_replace("+", " ", $tag);
 612                                                         $tag = str_replace("technorati tag: ", "", $tag);
 613
 614                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
 615                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
 616                                                                 owner_uid = '$owner_uid' LIMIT 1");
 617
 618         //                                              print db_fetch_result($result, 0, "id");
 619
 620                                                         if ($result && db_num_rows($result) == 0) {
 621
 622         //                                                      print "tagging $entry_id as $tag<br>";
 623
 624                                                                 db_query($link, "INSERT INTO ttrss_tags
 625                                                                         (owner_uid,tag_name,post_int_id)
 626                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
 627                                                         }
 628                                                 }
 629                                         }
 630                                         db_query($link, "COMMIT");
 631                                 }
 632                         }
 633
 634                         db_query($link, "UPDATE ttrss_feeds
 635                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 636
 637 //                      db_query($link, "COMMIT");
 638
 639                 } else {
 640                         $error_msg = db_escape_string(magpie_error());
 641                         db_query($link,
 642                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
 643                                         last_updated = NOW() WHERE id = '$feed'");
 644                 }
 645
 646         }
 647
 648         function print_select($id, $default, $values, $attributes = "") {
 649                 print "<select id=\"$id\" $attributes>";
 650                 foreach ($values as $v) {
 651                         if ($v == $default)
 652                                 $sel = " selected";
 653                          else
 654                                 $sel = "";
 655
 656                         print "<option$sel>$v</option>";
 657                 }
 658                 print "</select>";
 659         }
 660
 661         function get_filter_name($title, $content, $link, $filters) {
 662
 663                 if ($filters["title"]) {
 664                         foreach ($filters["title"] as $filter) {
 665                                 $reg_exp = $filter["reg_exp"];
 666                                 if (preg_match("/$reg_exp/i", $title)) {
 667                                         return $filter["action"];
 668                                 }
 669                         }
 670                 }
 671
 672                 if ($filters["content"]) {
 673                         foreach ($filters["content"] as $filter) {
 674                                 $reg_exp = $filter["reg_exp"];
 675                                 if (preg_match("/$reg_exp/i", $content)) {
 676                                         return $filter["action"];
 677                                 }
 678                         }
 679                 }
 680
 681                 if ($filters["both"]) {
 682                         foreach ($filters["both"] as $filter) {
 683                                 $reg_exp = $filter["reg_exp"];
 684                                 if (preg_match("/$reg_exp/i", $title) ||
 685                                         preg_match("/$reg_exp/i", $content)) {
 686                                         return $filter["action"];
 687                                 }
 688                         }
 689                 }
 690
 691                 if ($filters["link"]) {
 692                         $reg_exp = $filter["reg_exp"];
 693                         foreach ($filters["link"] as $filter) {
 694                                 $reg_exp = $filter["reg_exp"];
 695                                 if (preg_match("/$reg_exp/i", $link)) {
 696                                         return $filter["action"];
 697                                 }
 698                         }
 699                 }
 700
 701                 return false;
 702         }
 703
 704         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
 705                 $rtl_content = false, $last_updated = false, $last_error = false) {
 706
 707                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
 708                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
 709                 } else {
 710                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
 711                 }
 712
 713                 if ($rtl_content) {
 714                         $rtl_tag = "dir=\"rtl\"";
 715                 } else {
 716                         $rtl_tag = "dir=\"ltr\"";
 717                 }
 718
 719                 if ($last_error) {
 720                         $link_title = "Error: $last_error ($last_updated)";
 721                 } else if ($last_updated) {
 722                         $link_title = "Updated: $last_updated";
 723                 }
 724
 725                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"javascript:viewfeed('$feed_id', 0);\">$feed_title</a>";
 726
 727                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
 728                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
 729                         print "$feed_icon";
 730                 }
 731
 732                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
 733
 734                 if ($unread != 0) {
 735                         $fctr_class = "";
 736                 } else {
 737                         $fctr_class = "class=\"invisible\"";
 738                 }
 739
 740                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
 741                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
 742
 743                 print "</li>";
 744
 745         }
 746
 747         function getmicrotime() {
 748                 list($usec, $sec) = explode(" ",microtime());
 749                 return ((float)$usec + (float)$sec);
 750         }
 751
 752         function print_radio($id, $default, $values, $attributes = "") {
 753                 foreach ($values as $v) {
 754
 755                         if ($v == $default)
 756                                 $sel = "checked";
 757                          else
 758                                 $sel = "";
 759
 760                         if ($v == "Yes") {
 761                                 $sel .= " value=\"1\"";
 762                         } else {
 763                                 $sel .= " value=\"0\"";
 764                         }
 765
 766                         print "<input class=\"noborder\"
 767                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 768
 769                 }
 770         }
 771
 772         function initialize_user_prefs($link, $uid) {
 773
 774                 $uid = db_escape_string($uid);
 775
 776                 db_query($link, "BEGIN");
 777
 778                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
 779
 780                 $u_result = db_query($link, "SELECT pref_name
 781                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
 782
 783                 $active_prefs = array();
 784
 785                 while ($line = db_fetch_assoc($u_result)) {
 786                         array_push($active_prefs, $line["pref_name"]);
 787                 }
 788
 789                 while ($line = db_fetch_assoc($result)) {
 790                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 791 //                              print "adding " . $line["pref_name"] . "<br>";
 792
 793                                 db_query($link, "INSERT INTO ttrss_user_prefs
 794                                         (owner_uid,pref_name,value) VALUES
 795                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 796
 797                         }
 798                 }
 799
 800                 db_query($link, "COMMIT");
 801
 802         }
 803
 804         function authenticate_user($link, $login, $password) {
 805
 806                 $pwd_hash = 'SHA1:' . sha1($password);
 807
 808                 $result = db_query($link, "SELECT id,login,access_level FROM ttrss_users WHERE
 809                         login = '$login' AND pwd_hash = '$pwd_hash'");
 810
 811                 if (db_num_rows($result) == 1) {
 812                         $_SESSION["uid"] = db_fetch_result($result, 0, "id");
 813                         $_SESSION["name"] = db_fetch_result($result, 0, "login");
 814                         $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 815
 816                         db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 817                                 $_SESSION["uid"]);
 818
 819                         $user_theme = get_user_theme_path($link);
 820
 821                         $_SESSION["theme"] = $user_theme;
 822                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 823
 824                         initialize_user_prefs($link, $_SESSION["uid"]);
 825
 826                         return true;
 827                 }
 828
 829                 return false;
 830
 831         }
 832
 833         function make_password($length = 8) {
 834
 835                 $password = "";
 836                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 837
 838         $i = 0;
 839
 840                 while ($i < $length) {
 841                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 842
 843                         if (!strstr($password, $char)) {
 844                                 $password .= $char;
 845                                 $i++;
 846                         }
 847                 }
 848                 return $password;
 849         }
 850
 851         // this is called after user is created to initialize default feeds, labels
 852         // or whatever else
 853
 854         // user preferences are checked on every login, not here
 855
 856         function initialize_user($link, $uid) {
 857
 858                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
 859                         values ('$uid','unread = true', 'Unread articles')");
 860
 861                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
 862                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
 863
 864                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
 865                         values ('$uid', 'Tiny Tiny RSS: New Releases',
 866                         'http://tt-rss.spb.ru/releases.rss')");
 867
 868         }
 869
 870         function logout_user() {
 871                 session_destroy();
 872                 if (isset($_COOKIE[session_name()])) {
 873                    setcookie(session_name(), '', time()-42000, '/');
 874                 }
 875         }
 876
 877         function get_script_urlpath() {
 878                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
 879         }
 880
 881         function get_login_redirect() {
 882                 $server = $_SERVER["SERVER_NAME"];
 883
 884                 if (ENABLE_LOGIN_SSL) {
 885                         $protocol = "https";
 886                 } else {
 887                         $protocol = "http";
 888                 }
 889
 890                 $url_path = get_script_urlpath();
 891
 892                 $redirect_uri = "$protocol://$server$url_path/login.php";
 893
 894                 return $redirect_uri;
 895         }
 896
 897         function validate_session($link) {
 898                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
 899                         if ($_SESSION["ip_address"]) {
 900                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
 901                                         return false;
 902                                 }
 903                         }
 904                 }
 905                 return true;
 906         }
 907
 908         function basic_nosid_redirect_check() {
 909                 if (!SINGLE_USER_MODE) {
 910                         if (!$_COOKIE["ttrss_sid"]) {
 911                                 $redirect_uri = get_login_redirect();
 912                                 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
 913                                 header("Location: $redirect_uri?rt=$return_to");
 914                                 exit;
 915                         }
 916                 }
 917         }
 918
 919         function login_sequence($link) {
 920                 if (!SINGLE_USER_MODE) {
 921
 922                         if (!validate_session($link)) {
 923                                 logout_user();
 924                                 $redirect_uri = get_login_redirect();
 925                                 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
 926                                 header("Location: $redirect_uri?rt=$return_to");
 927                                 exit;
 928                         }
 929
 930                         if (!USE_HTTP_AUTH) {
 931                                 if (!$_SESSION["uid"]) {
 932                                         $redirect_uri = get_login_redirect();
 933                                         $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
 934                                         header("Location: $redirect_uri?rt=$return_to");
 935                                         exit;
 936                                 }
 937                         } else {
 938                                 if (!$_SESSION["uid"]) {
 939                                         if (!$_SERVER["PHP_AUTH_USER"]) {
 940
 941                                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
 942                                                 header('HTTP/1.0 401 Unauthorized');
 943                                                 exit;
 944
 945                                         } else {
 946                                                 $auth_result = authenticate_user($link,
 947                                                         $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
 948
 949                                                 if (!$auth_result) {
 950                                                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
 951                                                         header('HTTP/1.0 401 Unauthorized');
 952                                                         exit;
 953                                                 }
 954                                         }
 955                                 }
 956                         }
 957                 } else {
 958                         $_SESSION["uid"] = 1;
 959                         $_SESSION["name"] = "admin";
 960                         initialize_user_prefs($link, 1);
 961                 }
 962         }
 963
 964         function truncate_string($str, $max_len) {
 965                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
 966                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
 967                 } else {
 968                         return $str;
 969                 }
 970         }
 971
 972         function get_user_theme_path($link) {
 973                 $result = db_query($link, "SELECT theme_path
 974                         FROM
 975                                 ttrss_themes,ttrss_users
 976                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
 977                 if (db_num_rows($result) != 0) {
 978                         return db_fetch_result($result, 0, "theme_path");
 979                 } else {
 980                         return null;
 981                 }
 982         }
 983
 984         function smart_date_time($timestamp) {
 985                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
 986                         return date("G:i", $timestamp);
 987                 } else if (date("Y", $timestamp) == date("Y")) {
 988                         return date("M d, G:i", $timestamp);
 989                 } else {
 990                         return date("Y/m/d G:i", $timestamp);
 991                 }
 992         }
 993
 994         function smart_date($timestamp) {
 995                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
 996                         return "Today";
 997                 } else if (date("Y", $timestamp) == date("Y")) {
 998                         return date("D m", $timestamp);
 999                 } else {
1000                         return date("Y/m/d", $timestamp);
1001                 }
1002         }
1003
1004         function sql_bool_to_string($s) {
1005                 if ($s == "t" || $s == "1") {
1006                         return "true";
1007                 } else {
1008                         return "false";
1009                 }
1010         }
1011
1012         function sql_bool_to_bool($s) {
1013                 if ($s == "t" || $s == "1") {
1014                         return true;
1015                 } else {
1016                         return false;
1017                 }
1018         }
1019
1020
1021         function toggleEvenOdd($a) {
1022                 if ($a == "even")
1023                         return "odd";
1024                 else
1025                         return "even";
1026         }
1027
1028         function sanity_check($link) {
1029
1030                 $error_code = 0;
1031                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1032                 $schema_version = db_fetch_result($result, 0, "schema_version");
1033
1034                 if ($schema_version != SCHEMA_VERSION) {
1035                         $error_code = 5;
1036                 }
1037
1038                 if ($error_code != 0) {
1039                         print "<error error-code='$error_code'/>";
1040                         return false;
1041                 } else {
1042                         return true;
1043                 }
1044         }
1045
1046         function file_is_locked($filename) {
1047                 error_reporting(0);
1048                 $fp = fopen($filename, "r");
1049                 error_reporting(DEFAULT_ERROR_LEVEL);
1050                 if ($fp) {
1051                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1052                                 flock($fp, LOCK_UN);
1053                                 fclose($fp);
1054                                 return false;
1055                         }
1056                         fclose($fp);
1057                         return true;
1058                 }
1059                 return false;
1060         }
1061
1062         function make_lockfile($filename) {
1063                 $fp = fopen($filename, "w");
1064
1065                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1066                         return $fp;
1067                 } else {
1068                         return false;
1069                 }
1070         }
1071
1072         function sql_random_function() {
1073                 if (DB_TYPE == "mysql") {
1074                         return "RAND()";
1075                 } else {
1076                         return "RANDOM()";
1077                 }
1078         }
1079
1080         function catchup_feed($link, $feed, $cat_view) {
1081                         if (preg_match("/^[0-9][0-9]*$/", $feed) != false && $feed >= 0) {
1082
1083                                 if ($cat_view) {
1084
1085                                         if ($feed > 0) {
1086                                                 $cat_qpart = "cat_id = '$feed'";
1087                                         } else {
1088                                                 $cat_qpart = "cat_id IS NULL";
1089                                         }
1090
1091                                         $tmp_result = db_query($link, "SELECT id
1092                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1093                                                 $_SESSION["uid"]);
1094
1095                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1096
1097                                                 $tmp_feed = $tmp_line["id"];
1098
1099                                                 db_query($link, "UPDATE ttrss_user_entries
1100                                                         SET unread = false,last_read = NOW()
1101                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1102                                         }
1103
1104                                 } else if ($feed > 0) {
1105
1106                                         $tmp_result = db_query($link, "SELECT id
1107                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1108                                                 ORDER BY cat_id,title");
1109
1110                                         $parent_ids = array();
1111
1112                                         if (db_num_rows($tmp_result) > 0) {
1113                                                 while ($p = db_fetch_assoc($tmp_result)) {
1114                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1115                                                 }
1116
1117                                                 $children_qpart = implode(" OR ", $parent_ids);
1118
1119                                                 db_query($link, "UPDATE ttrss_user_entries
1120                                                         SET unread = false,last_read = NOW()
1121                                                         WHERE (feed_id = '$feed' OR $children_qpart)
1122                                                         AND owner_uid = " . $_SESSION["uid"]);
1123
1124                                         } else {
1125                                                 db_query($link, "UPDATE ttrss_user_entries
1126                                                         SET unread = false,last_read = NOW()
1127                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1128                                         }
1129
1130                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1131
1132                                         if ($feed == -1) {
1133                                                 db_query($link, "UPDATE ttrss_user_entries
1134                                                         SET unread = false,last_read = NOW()
1135                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1136                                         }
1137
1138                                 } else if ($feed < -10) { // label
1139
1140                                         // TODO make this more efficient
1141
1142                                         $label_id = -$feed - 11;
1143
1144                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1145                                                 WHERE id = '$label_id'");
1146
1147                                         if ($tmp_result) {
1148                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1149
1150                                                 db_query($link, "BEGIN");
1151
1152                                                 $tmp2_result = db_query($link,
1153                                                         "SELECT
1154                                                                 int_id
1155                                                         FROM
1156                                                                 ttrss_user_entries,ttrss_entries
1157                                                         WHERE
1158                                                                 ref_id = id AND
1159                                                                 $sql_exp AND
1160                                                                 owner_uid = " . $_SESSION["uid"]);
1161
1162                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1163                                                         db_query($link, "UPDATE
1164                                                                 ttrss_user_entries
1165                                                         SET
1166                                                                 unread = false, last_read = NOW()
1167                                                         WHERE
1168                                                                 int_id = " . $tmp_line["int_id"]);
1169                                                 }
1170
1171                                                 db_query($link, "COMMIT");
1172
1173 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1174                                                         SET unread = false,last_read = NOW()
1175                                                         WHERE $sql_exp
1176                                                         AND ref_id = id
1177                                                         AND owner_uid = ".$_SESSION["uid"]); */
1178                                         }
1179                                 }
1180                         } else { // tag
1181                                 db_query($link, "BEGIN");
1182
1183                                 $tag_name = db_escape_string($feed);
1184
1185                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1186                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1187
1188                                 while ($line = db_fetch_assoc($result)) {
1189                                         db_query($link, "UPDATE ttrss_user_entries SET
1190                                                 unread = false, last_read = NOW()
1191                                                 WHERE int_id = " . $line["post_int_id"]);
1192                                 }
1193                                 db_query($link, "COMMIT");
1194                         }
1195         }
1196
1197         function update_generic_feed($link, $feed, $cat_view) {
1198                         if ($cat_view) {
1199
1200                                 if ($feed > 0) {
1201                                         $cat_qpart = "cat_id = '$feed'";
1202                                 } else {
1203                                         $cat_qpart = "cat_id IS NULL";
1204                                 }
1205
1206                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1207                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1208
1209                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1210                                         $feed_url = $tmp_line["feed_url"];
1211                                         update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1212                                 }
1213
1214                         } else {
1215                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1216                                         WHERE id = '$feed'");
1217                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1218                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1219                         }
1220         }
1221
1222         function getAllCounters($link) {
1223                 getLabelCounters($link);
1224                 getFeedCounters($link);
1225                 getTagCounters($link);
1226                 getGlobalCounters($link);
1227                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1228                         getCategoryCounters($link);
1229                 }
1230         }
1231
1232         function getCategoryCounters($link) {
1233                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1234                                 FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id
1235                                         AND unread = true)) AS unread FROM ttrss_feeds
1236                         WHERE
1237                                 owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1238
1239                 while ($line = db_fetch_assoc($result)) {
1240                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1241                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1242                                 $line["unread"]."\"/>";
1243                 }
1244         }
1245
1246         function getFeedUnread($link, $feed) {
1247                 $n_feed = sprintf("%d", $feed);
1248
1249                 if ($n_feed == -1) {
1250                         $match_part = "marked = true";
1251                 } else if ($feed > 0) {
1252                         $match_part = "feed_id = '$n_feed'";
1253                 } else if ($feed < -10) {
1254                         $label_id = -$feed - 11;
1255
1256                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
1257                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
1258
1259                         $match_part = db_fetch_result($result, 0, "sql_exp");
1260                 }
1261
1262                 if ($match_part) {
1263
1264                         $result = db_query($link, "SELECT count(int_id) AS unread
1265                                 FROM ttrss_user_entries
1266                                 WHERE   unread = true AND $match_part AND owner_uid = " . $_SESSION["uid"]);
1267
1268                 } else {
1269
1270                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1271                                 FROM ttrss_tags,ttrss_user_entries
1272                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
1273                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
1274                 }
1275
1276                 $unread = db_fetch_result($result, 0, "unread");
1277                 return $unread;
1278         }
1279
1280         /* FIXME this needs reworking */
1281
1282         function getGlobalUnread($link) {
1283                 $result = db_query($link, "SELECT count(id) as c_id FROM ttrss_entries,ttrss_user_entries
1284                         WHERE unread = true AND
1285                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1286                         owner_uid = " . $_SESSION["uid"]);
1287                 $c_id = db_fetch_result($result, 0, "c_id");
1288                 return $c_id;
1289         }
1290
1291         function getGlobalCounters($link, $global_unread = -1) {
1292                 if ($global_unread == -1) {
1293                         $global_unread = getGlobalUnread($link);
1294                 }
1295                 print "<counter type=\"global\" id='global-unread' counter='$global_unread'/>";
1296         }
1297
1298         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1299
1300                 if ($smart_mode) {
1301                         if (!$_SESSION["tctr_last_value"]) {
1302                                 $_SESSION["tctr_last_value"] = array();
1303                         }
1304                 }
1305
1306                 $old_counters = $_SESSION["tctr_last_value"];
1307
1308                 $tctrs_modified = false;
1309
1310 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
1311                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
1312                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1313                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
1314                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
1315                 UNION
1316                         select tag_name,0 as count FROM ttrss_tags
1317                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
1318
1319                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1320                         FROM ttrss_user_entries WHERE int_id = post_int_id
1321                                 AND unread = true)) AS count FROM ttrss_tags
1322                         WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
1323
1324                 $tags = array();
1325
1326                 while ($line = db_fetch_assoc($result)) {
1327                         $tags[$line["tag_name"]] += $line["count"];
1328                 }
1329
1330                 foreach (array_keys($tags) as $tag) {
1331                         $unread = $tags[$tag];
1332
1333                         $tag = htmlspecialchars($tag);
1334
1335                         if (!$smart_mode || $old_counters[$tag] != $unread) {
1336                                 $old_counters[$tag] = $unread;
1337                                 $tctrs_modified = true;
1338                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
1339                         }
1340
1341                 }
1342
1343                 if ($smart_mode && $tctrs_modified) {
1344                         $_SESSION["tctr_last_value"] = $old_counters;
1345                 }
1346
1347         }
1348
1349         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1350
1351                 if ($smart_mode) {
1352                         if (!$_SESSION["lctr_last_value"]) {
1353                                 $_SESSION["lctr_last_value"] = array();
1354                         }
1355                 }
1356
1357                 $old_counters = $_SESSION["lctr_last_value"];
1358                 $lctrs_modified = false;
1359
1360                 $result = db_query($link, "SELECT count(id) as count FROM ttrss_entries,ttrss_user_entries
1361                         WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND
1362                         unread = true AND owner_uid = ".$_SESSION["uid"]);
1363
1364                 $count = db_fetch_result($result, 0, "count");
1365
1366                 print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
1367
1368                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
1369                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
1370
1371                 while ($line = db_fetch_assoc($result)) {
1372
1373                         $id = -$line["id"] - 11;
1374
1375                         error_reporting (0);
1376
1377                         $tmp_result = db_query($link, "SELECT count(id) as count FROM ttrss_user_entries,ttrss_entries
1378                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
1379                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
1380                                 owner_uid = ".$_SESSION["uid"]);
1381
1382                         $count = db_fetch_result($tmp_result, 0, "count");
1383
1384                         if (!$smart_mode || $old_counters[$id] != $count) {
1385                                 $old_counters[$id] = $count;
1386                                 $lctrs_modified = true;
1387                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
1388                         }
1389
1390                         error_reporting (DEFAULT_ERROR_LEVEL);
1391                 }
1392
1393                 if ($smart_mode && $lctrs_modified) {
1394                         $_SESSION["lctr_last_value"] = $old_counters;
1395                 }
1396         }
1397
1398 /*      function getFeedCounter($link, $id) {
1399
1400                 $result = db_query($link, "SELECT
1401                                 count(id) as count,last_error
1402                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1403                         WHERE feed_id = '$id' AND unread = true
1404                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
1405                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
1406
1407                         $count = db_fetch_result($result, 0, "count");
1408                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
1409
1410                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
1411         } */
1412
1413         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1414
1415                 if ($smart_mode) {
1416                         if (!$_SESSION["fctr_last_value"]) {
1417                                 $_SESSION["fctr_last_value"] = array();
1418                         }
1419                 }
1420
1421                 $old_counters = $_SESSION["fctr_last_value"];
1422
1423                 $result = db_query($link, "SELECT id,last_error,parent_feed,
1424                         SUBSTRING(last_updated,1,19) AS last_updated,
1425                         (SELECT count(id)
1426                                 FROM ttrss_entries,ttrss_user_entries
1427                                 WHERE feed_id = ttrss_feeds.id AND
1428                                         ttrss_user_entries.ref_id = ttrss_entries.id
1429                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
1430                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
1431                                 AND parent_feed IS NULL");
1432
1433                 $fctrs_modified = false;
1434
1435                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
1436
1437                 while ($line = db_fetch_assoc($result)) {
1438
1439                         $id = $line["id"];
1440                         $count = $line["count"];
1441                         $last_error = htmlspecialchars($line["last_error"]);
1442
1443                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
1444                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
1445                         } else {
1446                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
1447                         }
1448
1449                         $has_img = is_file(ICONS_DIR . "/$id.ico");
1450
1451                         $tmp_result = db_query($link,
1452                                 "SELECT id,COUNT(unread) AS unread
1453                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
1454                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
1455                                 WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
1456
1457                         if (db_num_rows($tmp_result) > 0) {
1458                                 while ($l = db_fetch_assoc($tmp_result)) {
1459                                         $count += $l["unread"];
1460                                 }
1461                         }
1462
1463                         if (!$smart_mode || $old_counters[$id] != $count) {
1464                                 $old_counters[$id] = $count;
1465                                 $fctrs_modified = true;
1466
1467                                 if ($last_error) {
1468                                         $error_part = "error=\"$last_error\"";
1469                                 } else {
1470                                         $error_part = "";
1471                                 }
1472
1473                                 if ($has_img) {
1474                                         $has_img_part = "hi=\"$has_img\"";
1475                                 } else {
1476                                         $has_img_part = "";
1477                                 }
1478
1479                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\"/>";
1480                         }
1481                 }
1482
1483                 if ($smart_mode && $fctrs_modified) {
1484                         $_SESSION["fctr_last_value"] = $old_counters;
1485                 }
1486         }
1487
1488         function get_script_dt_add() {
1489                 if (strpos(VERSION, "99") === false) {
1490                         return VERSION;
1491                 } else {
1492                         return time();
1493                 }
1494         }
1495
1496         function get_pgsql_version($link) {
1497                 $result = db_query($link, "SELECT version() AS version");
1498                 $version = split(" ", db_fetch_result($result, 0, "version"));
1499                 return $version[1];
1500         }
1501
1502         function print_error_xml($code, $add_msg = "") {
1503                 global $ERRORS;
1504
1505                 $error_msg = $ERRORS[$code];
1506
1507                 if ($add_msg) {
1508                         $error_msg = "$error_msg; $add_msg";
1509                 }
1510
1511                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
1512         }
1513 ?>