functions.php

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