classes/rpc.php

   1 <?php
   2 class RPC extends Protected_Handler {
   3
   4         function csrf_ignore($method) {
   5                 $csrf_ignored = array("sanitycheck", "buttonplugin");
   6
   7                 return array_search($method, $csrf_ignored) !== false;
   8         }
   9
  10         function setprofile() {
  11                 $id = db_escape_string($_REQUEST["id"]);
  12
  13                 $_SESSION["profile"] = $id;
  14                 $_SESSION["prefs_cache"] = array();
  15         }
  16
  17         function remprofiles() {
  18                 $ids = explode(",", db_escape_string(trim($_REQUEST["ids"])));
  19
  20                 foreach ($ids as $id) {
  21                         if ($_SESSION["profile"] != $id) {
  22                                 db_query($this->link, "DELETE FROM ttrss_settings_profiles WHERE id = '$id' AND
  23                                                         owner_uid = " . $_SESSION["uid"]);
  24                         }
  25                 }
  26         }
  27
  28         // Silent
  29         function addprofile() {
  30                 $title = db_escape_string(trim($_REQUEST["title"]));
  31                 if ($title) {
  32                         db_query($this->link, "BEGIN");
  33
  34                         $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
  35                                 WHERE title = '$title' AND owner_uid = " . $_SESSION["uid"]);
  36
  37                         if (db_num_rows($result) == 0) {
  38
  39                                 db_query($this->link, "INSERT INTO ttrss_settings_profiles (title, owner_uid)
  40                                                         VALUES ('$title', ".$_SESSION["uid"] .")");
  41
  42                                 $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles WHERE
  43                                         title = '$title'");
  44
  45                                 if (db_num_rows($result) != 0) {
  46                                         $profile_id = db_fetch_result($result, 0, "id");
  47
  48                                         if ($profile_id) {
  49                                                 initialize_user_prefs($this->link, $_SESSION["uid"], $profile_id);
  50                                         }
  51                                 }
  52                         }
  53
  54                         db_query($this->link, "COMMIT");
  55                 }
  56         }
  57
  58         // Silent
  59         function saveprofile() {
  60                 $id = db_escape_string($_REQUEST["id"]);
  61                 $title = db_escape_string(trim($_REQUEST["value"]));
  62
  63                 if ($id == 0) {
  64                         print __("Default profile");
  65                         return;
  66                 }
  67
  68                 if ($title) {
  69                         db_query($this->link, "BEGIN");
  70
  71                         $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
  72                                 WHERE title = '$title' AND owner_uid =" . $_SESSION["uid"]);
  73
  74                         if (db_num_rows($result) == 0) {
  75                                 db_query($this->link, "UPDATE ttrss_settings_profiles
  76                                                         SET title = '$title' WHERE id = '$id' AND
  77                                                         owner_uid = " . $_SESSION["uid"]);
  78                                 print $title;
  79                         } else {
  80                                 $result = db_query($this->link, "SELECT title FROM ttrss_settings_profiles
  81                                                         WHERE id = '$id' AND owner_uid =" . $_SESSION["uid"]);
  82                                 print db_fetch_result($result, 0, "title");
  83                         }
  84
  85                         db_query($this->link, "COMMIT");
  86                 }
  87         }
  88
  89         // Silent
  90         function remarchive() {
  91                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
  92
  93                 foreach ($ids as $id) {
  94                         $result = db_query($this->link, "DELETE FROM ttrss_archived_feeds WHERE
  95                 (SELECT COUNT(*) FROM ttrss_user_entries
  96                                                         WHERE orig_feed_id = '$id') = 0 AND
  97                 id = '$id' AND owner_uid = ".$_SESSION["uid"]);
  98
  99                         $rc = db_affected_rows($this->link, $result);
 100                 }
 101         }
 102
 103         function addfeed() {
 104                 $feed = db_escape_string($_REQUEST['feed']);
 105                 $cat = db_escape_string($_REQUEST['cat']);
 106                 $login = db_escape_string($_REQUEST['login']);
 107                 $pass = db_escape_string($_REQUEST['pass']);
 108
 109                 $rc = subscribe_to_feed($this->link, $feed, $cat, $login, $pass);
 110
 111                 print json_encode(array("result" => $rc));
 112         }
 113
 114         function extractfeedurls() {
 115                 $urls = get_feeds_from_html($_REQUEST['url']);
 116
 117                 print json_encode(array("urls" => $urls));
 118         }
 119
 120         function togglepref() {
 121                 $key = db_escape_string($_REQUEST["key"]);
 122                 set_pref($this->link, $key, !get_pref($this->link, $key));
 123                 $value = get_pref($this->link, $key);
 124
 125                 print json_encode(array("param" =>$key, "value" => $value));
 126         }
 127
 128         function setpref() {
 129                 $value = str_replace("\n", "<br/>", $_REQUEST['value']);
 130
 131                 $key = db_escape_string($_REQUEST["key"]);
 132                 $value = db_escape_string($value);
 133
 134                 set_pref($this->link, $key, $value);
 135
 136                 print json_encode(array("param" =>$key, "value" => $value));
 137         }
 138
 139         function mark() {
 140                 $mark = $_REQUEST["mark"];
 141                 $id = db_escape_string($_REQUEST["id"]);
 142
 143                 if ($mark == "1") {
 144                         $mark = "true";
 145                 } else {
 146                         $mark = "false";
 147                 }
 148
 149                 $result = db_query($this->link, "UPDATE ttrss_user_entries SET marked = $mark
 150                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
 151
 152                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 153         }
 154
 155         function delete() {
 156                 $ids = db_escape_string($_REQUEST["ids"]);
 157
 158                 $result = db_query($this->link, "DELETE FROM ttrss_user_entries
 159                 WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
 160
 161                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 162         }
 163
 164         function unarchive() {
 165                 $ids = db_escape_string($_REQUEST["ids"]);
 166
 167                 $result = db_query($this->link, "UPDATE ttrss_user_entries
 168                                         SET feed_id = orig_feed_id, orig_feed_id = NULL
 169                                         WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
 170
 171                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 172         }
 173
 174         function archive() {
 175                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 176
 177                 foreach ($ids as $id) {
 178                         archive_article($this->link, $id, $_SESSION["uid"]);
 179                 }
 180
 181                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 182         }
 183
 184         function publ() {
 185                 $pub = $_REQUEST["pub"];
 186                 $id = db_escape_string($_REQUEST["id"]);
 187                 $note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
 188
 189                 if ($pub == "1") {
 190                         $pub = "true";
 191                 } else {
 192                         $pub = "false";
 193                 }
 194
 195                 $result = db_query($this->link, "UPDATE ttrss_user_entries SET
 196                         published = $pub
 197                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
 198
 199                 $pubsub_result = false;
 200
 201                 if (PUBSUBHUBBUB_HUB) {
 202                         $rss_link = get_self_url_prefix() .
 203                                 "/public.php?op=rss&id=-2&key=" .
 204                                 get_feed_access_key($this->link, -2, false);
 205
 206                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 207
 208                         $pubsub_result = $p->publish_update($rss_link);
 209                 }
 210
 211                 print json_encode(array("message" => "UPDATE_COUNTERS",
 212                         "pubsub_result" => $pubsub_result));
 213         }
 214
 215         function getAllCounters() {
 216                 $last_article_id = (int) $_REQUEST["last_article_id"];
 217
 218                 $reply = array();
 219
 220                  if ($seq) $reply['seq'] = $seq;
 221
 222                  if ($last_article_id != getLastArticleId($this->link)) {
 223                                 $omode = $_REQUEST["omode"];
 224
 225                         if ($omode != "T")
 226                                 $reply['counters'] = getAllCounters($this->link, $omode);
 227                         else
 228                                 $reply['counters'] = getGlobalCounters($this->link);
 229                  }
 230
 231                  $reply['runtime-info'] = make_runtime_info($this->link);
 232
 233                  print json_encode($reply);
 234         }
 235
 236         /* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
 237         function catchupSelected() {
 238                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 239                 $cmode = sprintf("%d", $_REQUEST["cmode"]);
 240
 241                 catchupArticlesById($this->link, $ids, $cmode);
 242
 243                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 244         }
 245
 246         function markSelected() {
 247                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 248                 $cmode = sprintf("%d", $_REQUEST["cmode"]);
 249
 250                 markArticlesById($this->link, $ids, $cmode);
 251
 252                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 253         }
 254
 255         function publishSelected() {
 256                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 257                 $cmode = sprintf("%d", $_REQUEST["cmode"]);
 258
 259                 publishArticlesById($this->link, $ids, $cmode);
 260
 261                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 262         }
 263
 264         function sanityCheck() {
 265                 $_SESSION["hasAudio"] = $_REQUEST["hasAudio"] === "true";
 266
 267                 $reply = array();
 268
 269                 $reply['error'] = sanity_check($this->link);
 270
 271                 if ($reply['error']['code'] == 0) {
 272                         $reply['init-params'] = make_init_params($this->link);
 273                         $reply['runtime-info'] = make_runtime_info($this->link);
 274                 }
 275
 276                 print json_encode($reply);
 277         }
 278
 279         function setArticleTags() {
 280                 global $memcache;
 281
 282                 $id = db_escape_string($_REQUEST["id"]);
 283
 284                 $tags_str = db_escape_string($_REQUEST["tags_str"]);
 285                 $tags = array_unique(trim_array(explode(",", $tags_str)));
 286
 287                 db_query($this->link, "BEGIN");
 288
 289                 $result = db_query($this->link, "SELECT int_id FROM ttrss_user_entries WHERE
 290                                 ref_id = '$id' AND owner_uid = '".$_SESSION["uid"]."' LIMIT 1");
 291
 292                 if (db_num_rows($result) == 1) {
 293
 294                         $tags_to_cache = array();
 295
 296                         $int_id = db_fetch_result($result, 0, "int_id");
 297
 298                         db_query($this->link, "DELETE FROM ttrss_tags WHERE
 299                                 post_int_id = $int_id AND owner_uid = '".$_SESSION["uid"]."'");
 300
 301                         foreach ($tags as $tag) {
 302                                 $tag = sanitize_tag($tag);
 303
 304                                 if (!tag_is_valid($tag)) {
 305                                         continue;
 306                                 }
 307
 308                                 if (preg_match("/^[0-9]*$/", $tag)) {
 309                                         continue;
 310                                 }
 311
 312                                 //                                      print "<!-- $id : $int_id : $tag -->";
 313
 314                                 if ($tag != '') {
 315                                         db_query($this->link, "INSERT INTO ttrss_tags
 316                                                                 (post_int_id, owner_uid, tag_name) VALUES ('$int_id', '".$_SESSION["uid"]."', '$tag')");
 317                                 }
 318
 319                                 array_push($tags_to_cache, $tag);
 320                         }
 321
 322                         /* update tag cache */
 323
 324                         sort($tags_to_cache);
 325                         $tags_str = join(",", $tags_to_cache);
 326
 327                         db_query($this->link, "UPDATE ttrss_user_entries
 328                                 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
 329                                                 AND owner_uid = " . $_SESSION["uid"]);
 330                 }
 331
 332                 db_query($this->link, "COMMIT");
 333
 334                 if ($memcache) {
 335                         $obj_id = md5("TAGS:".$_SESSION["uid"].":$id");
 336                         $memcache->delete($obj_id);
 337                 }
 338
 339                 $tags = get_article_tags($this->link, $id);
 340                 $tags_str = format_tags_string($tags, $id);
 341                 $tags_str_full = join(", ", $tags);
 342
 343                 if (!$tags_str_full) $tags_str_full = __("no tags");
 344
 345                 print json_encode(array("tags_str" => array("id" => $id,
 346                                 "content" => $tags_str, "content_full" => $tags_str_full)));
 347         }
 348
 349         function regenOPMLKey() {
 350                 update_feed_access_key($this->link, 'OPML:Publish',
 351                 false, $_SESSION["uid"]);
 352
 353                 $new_link = opml_publish_url($this->link);
 354
 355                 print json_encode(array("link" => $new_link));
 356         }
 357
 358         function completeTags() {
 359                 $search = db_escape_string($_REQUEST["search"]);
 360
 361                 $result = db_query($this->link, "SELECT DISTINCT tag_name FROM ttrss_tags
 362                                 WHERE owner_uid = '".$_SESSION["uid"]."' AND
 363                                 tag_name LIKE '$search%' ORDER BY tag_name
 364                                 LIMIT 10");
 365
 366                 print "<ul>";
 367                 while ($line = db_fetch_assoc($result)) {
 368                         print "<li>" . $line["tag_name"] . "</li>";
 369                 }
 370                 print "</ul>";
 371         }
 372
 373         function purge() {
 374                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 375                 $days = sprintf("%d", $_REQUEST["days"]);
 376
 377                 foreach ($ids as $id) {
 378
 379                         $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 380                                 id = '$id' AND owner_uid = ".$_SESSION["uid"]);
 381
 382                         if (db_num_rows($result) == 1) {
 383                                 purge_feed($this->link, $id, $days);
 384                         }
 385                 }
 386         }
 387
 388         function getArticles() {
 389                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 390                 $articles = array();
 391
 392                 foreach ($ids as $id) {
 393                         if ($id) {
 394                                 array_push($articles, format_article($this->link, $id, 0, false));
 395                         }
 396                 }
 397
 398                 print json_encode($articles);
 399         }
 400
 401         function checkDate() {
 402                 $date = db_escape_string($_REQUEST["date"]);
 403                 $date_parsed = strtotime($date);
 404
 405                 print json_encode(array("result" => (bool)$date_parsed,
 406                         "date" => date("c", $date_parsed)));
 407         }
 408
 409         function assigntolabel() {
 410                 return $this->labelops(true);
 411         }
 412
 413         function removefromlabel() {
 414                 return $this->labelops(false);
 415         }
 416
 417         function labelops($assign) {
 418                 $reply = array();
 419
 420                 $ids = explode(",", db_escape_string($_REQUEST["ids"]));
 421                 $label_id = db_escape_string($_REQUEST["lid"]);
 422
 423                 $label = db_escape_string(label_find_caption($this->link, $label_id,
 424                 $_SESSION["uid"]));
 425
 426                 $reply["info-for-headlines"] = array();
 427
 428                 if ($label) {
 429
 430                         foreach ($ids as $id) {
 431
 432                                 if ($assign)
 433                                         label_add_article($this->link, $id, $label, $_SESSION["uid"]);
 434                                 else
 435                                         label_remove_article($this->link, $id, $label, $_SESSION["uid"]);
 436
 437                                 $labels = get_article_labels($this->link, $id, $_SESSION["uid"]);
 438
 439                                 array_push($reply["info-for-headlines"],
 440                                 array("id" => $id, "labels" => format_article_labels($labels, $id)));
 441
 442                         }
 443                 }
 444
 445                 $reply["message"] = "UPDATE_COUNTERS";
 446
 447                 print json_encode($reply);
 448         }
 449
 450         function updateFeedBrowser() {
 451                 $search = db_escape_string($_REQUEST["search"]);
 452                 $limit = db_escape_string($_REQUEST["limit"]);
 453                 $mode = (int) db_escape_string($_REQUEST["mode"]);
 454
 455                 print json_encode(array("content" =>
 456                         make_feed_browser($this->link, $search, $limit, $mode),
 457                                 "mode" => $mode));
 458         }
 459
 460         // Silent
 461         function massSubscribe() {
 462
 463                 $payload = json_decode($_REQUEST["payload"], false);
 464                 $mode = $_REQUEST["mode"];
 465
 466                 if (!$payload || !is_array($payload)) return;
 467
 468                 if ($mode == 1) {
 469                         foreach ($payload as $feed) {
 470
 471                                 $title = db_escape_string($feed[0]);
 472                                 $feed_url = db_escape_string($feed[1]);
 473
 474                                 $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 475                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 476
 477                                 if (db_num_rows($result) == 0) {
 478                                         $result = db_query($this->link, "INSERT INTO ttrss_feeds
 479                                                                         (owner_uid,feed_url,title,cat_id,site_url)
 480                                                                         VALUES ('".$_SESSION["uid"]."',
 481                                                                         '$feed_url', '$title', NULL, '')");
 482                                 }
 483                         }
 484                 } else if ($mode == 2) {
 485                         // feed archive
 486                         foreach ($payload as $id) {
 487                                 $result = db_query($this->link, "SELECT * FROM ttrss_archived_feeds
 488                                         WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]);
 489
 490                                 if (db_num_rows($result) != 0) {
 491                                         $site_url = db_escape_string(db_fetch_result($result, 0, "site_url"));
 492                                         $feed_url = db_escape_string(db_fetch_result($result, 0, "feed_url"));
 493                                         $title = db_escape_string(db_fetch_result($result, 0, "title"));
 494
 495                                         $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 496                                                 feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 497
 498                                         if (db_num_rows($result) == 0) {
 499                                                 $result = db_query($this->link, "INSERT INTO ttrss_feeds
 500                                                                                 (owner_uid,feed_url,title,cat_id,site_url)
 501                                                                         VALUES ('$id','".$_SESSION["uid"]."',
 502                                                                         '$feed_url', '$title', NULL, '$site_url')");
 503                                         }
 504                                 }
 505                         }
 506                 }
 507         }
 508
 509         function digestgetcontents() {
 510                 $article_id = db_escape_string($_REQUEST['article_id']);
 511
 512                 $result = db_query($this->link, "SELECT content,title,link,marked,published
 513                         FROM ttrss_entries, ttrss_user_entries
 514                         WHERE id = '$article_id' AND ref_id = id AND owner_uid = ".$_SESSION['uid']);
 515
 516                 $content = sanitize($this->link, db_fetch_result($result, 0, "content"));
 517                 $title = strip_tags(db_fetch_result($result, 0, "title"));
 518                 $article_url = htmlspecialchars(db_fetch_result($result, 0, "link"));
 519                 $marked = sql_bool_to_bool(db_fetch_result($result, 0, "marked"));
 520                 $published = sql_bool_to_bool(db_fetch_result($result, 0, "published"));
 521
 522                 print json_encode(array("article" =>
 523                         array("id" => $article_id, "url" => $article_url,
 524                                 "tags" => get_article_tags($this->link, $article_id),
 525                                 "marked" => $marked, "published" => $published,
 526                                 "title" => $title, "content" => $content)));
 527         }
 528
 529         function digestupdate() {
 530                 $feed_id = db_escape_string($_REQUEST['feed_id']);
 531                 $offset = db_escape_string($_REQUEST['offset']);
 532                 $seq = db_escape_string($_REQUEST['seq']);
 533
 534                 if (!$feed_id) $feed_id = -4;
 535                 if (!$offset) $offset = 0;
 536
 537                 $reply = array();
 538
 539                 $reply['seq'] = $seq;
 540
 541                 $headlines = api_get_headlines($this->link, $feed_id, 30, $offset,
 542                                 '', ($feed_id == -4), true, false, "unread", "updated DESC", 0, 0);
 543
 544                 $reply['headlines'] = array();
 545                 $reply['headlines']['title'] = getFeedTitle($this->link, $feed_id);
 546                 $reply['headlines']['content'] = $headlines;
 547
 548                 print json_encode($reply);
 549         }
 550
 551         function digestinit() {
 552                 $tmp_feeds = api_get_feeds($this->link, -4, true, false, 0);
 553
 554                 $feeds = array();
 555
 556                 foreach ($tmp_feeds as $f) {
 557                         if ($f['id'] > 0 || $f['id'] == -4) array_push($feeds, $f);
 558                 }
 559
 560                 print json_encode(array("feeds" => $feeds));
 561         }
 562
 563         function catchupFeed() {
 564                 $feed_id = db_escape_string($_REQUEST['feed_id']);
 565                 $is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
 566
 567                 catchup_feed($this->link, $feed_id, $is_cat);
 568
 569                 print json_encode(array("message" => "UPDATE_COUNTERS"));
 570         }
 571
 572         function quickAddCat() {
 573                 $cat = db_escape_string($_REQUEST["cat"]);
 574
 575                 add_feed_category($this->link, $cat);
 576
 577                 $result = db_query($this->link, "SELECT id FROM ttrss_feed_categories WHERE
 578                         title = '$cat' AND owner_uid = " . $_SESSION["uid"]);
 579
 580                 if (db_num_rows($result) == 1) {
 581                         $id = db_fetch_result($result, 0, "id");
 582                 } else {
 583                         $id = 0;
 584                 }
 585
 586                 print_feed_cat_select($this->link, "cat_id", $id);
 587         }
 588
 589         function regenFeedKey() {
 590                 $feed_id = db_escape_string($_REQUEST['id']);
 591                 $is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
 592
 593                 $new_key = update_feed_access_key($this->link, $feed_id, $is_cat);
 594
 595                 print json_encode(array("link" => $new_key));
 596         }
 597
 598         // Silent
 599         function clearKeys() {
 600                 db_query($this->link, "DELETE FROM ttrss_access_keys WHERE
 601                         owner_uid = " . $_SESSION["uid"]);
 602         }
 603
 604         // Silent
 605         function clearArticleKeys() {
 606                 db_query($this->link, "UPDATE ttrss_user_entries SET uuid = '' WHERE
 607                         owner_uid = " . $_SESSION["uid"]);
 608
 609                 return;
 610         }
 611
 612
 613         function verifyRegexp() {
 614                 $reg_exp = $_REQUEST["reg_exp"];
 615
 616                 $status = @preg_match("/$reg_exp/i", "TEST") !== false;
 617
 618                 print json_encode(array("status" => $status));
 619         }
 620
 621         // TODO: unify with digest-get-contents?
 622         function cdmGetArticle() {
 623                 $ids = array(db_escape_string($_REQUEST["id"]));
 624                 $cids = explode(",", $_REQUEST["cids"]);
 625
 626                 $ids = array_merge($ids, $cids);
 627
 628                 $rv = array();
 629
 630                 foreach ($ids as $id) {
 631                         $id = (int)$id;
 632
 633                         $result = db_query($this->link, "SELECT content,
 634                                         ttrss_feeds.site_url AS site_url FROM ttrss_user_entries, ttrss_feeds,
 635                                         ttrss_entries
 636                                         WHERE feed_id = ttrss_feeds.id AND ref_id = '$id' AND
 637                                         ttrss_entries.id = ref_id AND
 638                                         ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
 639
 640                         if (db_num_rows($result) != 0) {
 641                                 $line = db_fetch_assoc($result);
 642
 643                                 $article_content = sanitize($this->link, $line["content"],
 644                                         false, false, $line['site_url']);
 645
 646                                 array_push($rv,
 647                                         array("id" => $id, "content" => $article_content));
 648                         }
 649                 }
 650
 651                 print json_encode($rv);
 652         }
 653
 654         function scheduleFeedUpdate() {
 655                 $feed_id = db_escape_string($_REQUEST["id"]);
 656                 $is_cat =  db_escape_string($_REQUEST['is_cat']) == 'true';
 657
 658                 $message = __("Your request could not be completed.");
 659
 660                 if ($feed_id >= 0) {
 661                         if (!$is_cat) {
 662                                 $message = __("Feed update has been scheduled.");
 663
 664                                 db_query($this->link, "UPDATE ttrss_feeds SET
 665                                         last_update_started = '1970-01-01',
 666                                         last_updated = '1970-01-01' WHERE id = '$feed_id' AND
 667                                         owner_uid = ".$_SESSION["uid"]);
 668
 669                         } else {
 670                                 $message = __("Category update has been scheduled.");
 671
 672                                 if ($feed_id)
 673                                 $cat_query = "cat_id = '$feed_id'";
 674                                 else
 675                                 $cat_query = "cat_id IS NULL";
 676
 677                                 db_query($this->link, "UPDATE ttrss_feeds SET
 678                                                 last_update_started = '1970-01-01',
 679                                                 last_updated = '1970-01-01' WHERE $cat_query AND
 680                                                 owner_uid = ".$_SESSION["uid"]);
 681                         }
 682                 } else {
 683                         $message = __("Can't update this kind of feed.");
 684                 }
 685
 686                 print json_encode(array("message" => $message));
 687                 return;
 688         }
 689
 690         function buttonPlugin() {
 691                 $pclass = basename($_REQUEST['plugin']) . "_button";
 692                 $method = $_REQUEST['plugin_method'];
 693
 694                 if (class_exists($pclass)) {
 695                         $plugin = new $pclass($this->link);
 696                         if (method_exists($plugin, $method)) {
 697                                 return $plugin->$method();
 698                         }
 699                 }
 700         }
 701
 702         function genHash() {
 703                 $hash = sha1(uniqid(rand(), true));
 704
 705                 print json_encode(array("hash" => $hash));
 706         }
 707 }
 708 ?>