classes/api.php

   1 <?php
   2 class API extends Handler {
   3
   4         const API_LEVEL  = 14;
   5
   6         const STATUS_OK  = 0;
   7         const STATUS_ERR = 1;
   8
   9         private $seq;
  10
  11         function before($method) {
  12                 if (parent::before($method)) {
  13                         header("Content-Type: text/json");
  14
  15                         if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
  16                                 $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  17                                 return false;
  18                         }
  19
  20                         if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
  21                                 $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
  22                                 return false;
  23                         }
  24
  25                         $this->seq = (int) $_REQUEST['seq'];
  26
  27                         return true;
  28                 }
  29                 return false;
  30         }
  31
  32         function wrap($status, $reply) {
  33                 print json_encode(array("seq" => $this->seq,
  34                         "status" => $status,
  35                         "content" => $reply));
  36         }
  37
  38         function getVersion() {
  39                 $rv = array("version" => VERSION);
  40                 $this->wrap(self::STATUS_OK, $rv);
  41         }
  42
  43         function getApiLevel() {
  44                 $rv = array("level" => self::API_LEVEL);
  45                 $this->wrap(self::STATUS_OK, $rv);
  46         }
  47
  48         function login() {
  49                 @session_destroy();
  50                 @session_start();
  51
  52                 $login = $this->dbh->escape_string($_REQUEST["user"]);
  53                 $password = $_REQUEST["password"];
  54                 $password_base64 = base64_decode($_REQUEST["password"]);
  55
  56                 if (SINGLE_USER_MODE) $login = "admin";
  57
  58                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
  59
  60                 if ($this->dbh->num_rows($result) != 0) {
  61                         $uid = $this->dbh->fetch_result($result, 0, "id");
  62                 } else {
  63                         $uid = 0;
  64                 }
  65
  66                 if (!$uid) {
  67                         $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  68                         return;
  69                 }
  70
  71                 if (get_pref("ENABLE_API_ACCESS", $uid)) {
  72                         if (authenticate_user($login, $password)) {               // try login with normal password
  73                                 $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  74                                         "api_level" => self::API_LEVEL));
  75                         } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
  76                                 $this->wrap(self::STATUS_OK,    array("session_id" => session_id(),
  77                                         "api_level" => self::API_LEVEL));
  78                         } else {                                                         // else we are not logged in
  79                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
  80                                 $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  81                         }
  82                 } else {
  83                         $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  84                 }
  85
  86         }
  87
  88         function logout() {
  89                 logout_user();
  90                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
  91         }
  92
  93         function isLoggedIn() {
  94                 $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
  95         }
  96
  97         function getUnread() {
  98                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
  99                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 100
 101                 if ($feed_id) {
 102                         $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
 103                 } else {
 104                         $this->wrap(self::STATUS_OK, array("unread" => Feeds::getGlobalUnread()));
 105                 }
 106         }
 107
 108         /* Method added for ttrss-reader for Android */
 109         function getCounters() {
 110                 $this->wrap(self::STATUS_OK, Counters::getAllCounters());
 111         }
 112
 113         function getFeeds() {
 114                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
 115                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 116                 $limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
 117                 $offset = (int) $this->dbh->escape_string($_REQUEST["offset"]);
 118                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 119
 120                 $feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
 121
 122                 $this->wrap(self::STATUS_OK, $feeds);
 123         }
 124
 125         function getCategories() {
 126                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 127                 $enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
 128                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 129
 130                 // TODO do not return empty categories, return Uncategorized and standard virtual cats
 131
 132                 if ($enable_nested)
 133                         $nested_qpart = "parent_cat IS NULL";
 134                 else
 135                         $nested_qpart = "true";
 136
 137                 $result = $this->dbh->query("SELECT
 138                                 id, title, order_id, (SELECT COUNT(id) FROM
 139                                 ttrss_feeds WHERE
 140                                 ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
 141                         (SELECT COUNT(id) FROM
 142                                 ttrss_feed_categories AS c2 WHERE
 143                                 c2.parent_cat = ttrss_feed_categories.id) AS num_cats
 144                         FROM ttrss_feed_categories
 145                         WHERE $nested_qpart AND owner_uid = " .
 146                         $_SESSION["uid"]);
 147
 148                 $cats = array();
 149
 150                 while ($line = $this->dbh->fetch_assoc($result)) {
 151                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 152                                 $unread = getFeedUnread($line["id"], true);
 153
 154                                 if ($enable_nested)
 155                                         $unread += Feeds::getCategoryChildrenUnread($line["id"]);
 156
 157                                 if ($unread || !$unread_only) {
 158                                         array_push($cats, array("id" => $line["id"],
 159                                                 "title" => $line["title"],
 160                                                 "unread" => $unread,
 161                                                 "order_id" => (int) $line["order_id"],
 162                                         ));
 163                                 }
 164                         }
 165                 }
 166
 167                 foreach (array(-2,-1,0) as $cat_id) {
 168                         if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
 169                                 $unread = getFeedUnread($cat_id, true);
 170
 171                                 if ($unread || !$unread_only) {
 172                                         array_push($cats, array("id" => $cat_id,
 173                                                 "title" => Feeds::getCategoryTitle($cat_id),
 174                                                 "unread" => $unread));
 175                                 }
 176                         }
 177                 }
 178
 179                 $this->wrap(self::STATUS_OK, $cats);
 180         }
 181
 182         function getHeadlines() {
 183                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 184                 if ($feed_id != "") {
 185
 186                         if (is_numeric($feed_id)) $feed_id = (int) $feed_id;
 187
 188                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 189
 190                         if (!$limit || $limit >= 200) $limit = 200;
 191
 192                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
 193                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
 194                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 195                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 196                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 197                         /* all_articles, unread, adaptive, marked, updated */
 198                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
 199                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 200                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
 201                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 202                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 203                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 204                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
 205                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
 206                         $excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
 207                         $check_first_id = (int)$this->dbh->escape_string($_REQUEST["check_first_id"]);
 208                         $include_header = sql_bool_to_bool($_REQUEST["include_header"]);
 209
 210                         $_SESSION['hasSandbox'] = $has_sandbox;
 211
 212                         $skip_first_id_check = false;
 213
 214                         $override_order = false;
 215                         switch ($_REQUEST["order_by"]) {
 216                                 case "title":
 217                                         $override_order = "ttrss_entries.title";
 218                                         break;
 219                                 case "date_reverse":
 220                                         $override_order = "score DESC, date_entered, updated";
 221                                         $skip_first_id_check = true;
 222                                         break;
 223                                 case "feed_dates":
 224                                         $override_order = "updated DESC";
 225                                         break;
 226                         }
 227
 228                         /* do not rely on params below */
 229
 230                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 231
 232                         list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
 233                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 234                                 $include_attachments, $since_id, $search,
 235                                 $include_nested, $sanitize_content, $force_update, $excerpt_length, $check_first_id, $skip_first_id_check);
 236
 237                         if ($include_header) {
 238                                 $this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
 239                         } else {
 240                                 $this->wrap(self::STATUS_OK, $headlines);
 241                         }
 242                 } else {
 243                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 244                 }
 245         }
 246
 247         function updateArticle() {
 248                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 249                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 250                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 251                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 252
 253                 $field = "";
 254                 $set_to = "";
 255
 256                 switch ($field_raw) {
 257                         case 0:
 258                                 $field = "marked";
 259                                 $additional_fields = ",last_marked = NOW()";
 260                                 break;
 261                         case 1:
 262                                 $field = "published";
 263                                 $additional_fields = ",last_published = NOW()";
 264                                 break;
 265                         case 2:
 266                                 $field = "unread";
 267                                 $additional_fields = ",last_read = NOW()";
 268                                 break;
 269                         case 3:
 270                                 $field = "note";
 271                 };
 272
 273                 switch ($mode) {
 274                         case 1:
 275                                 $set_to = "true";
 276                                 break;
 277                         case 0:
 278                                 $set_to = "false";
 279                                 break;
 280                         case 2:
 281                                 $set_to = "NOT $field";
 282                                 break;
 283                 }
 284
 285                 if ($field == "note") $set_to = "'$data'";
 286
 287                 if ($field && $set_to && count($article_ids) > 0) {
 288
 289                         $article_ids = join(", ", $article_ids);
 290
 291                         $result = $this->dbh->query("UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 292
 293                         $num_updated = $this->dbh->affected_rows($result);
 294
 295                         if ($num_updated > 0 && $field == "unread") {
 296                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 297                                         WHERE ref_id IN ($article_ids)");
 298
 299                                 while ($line = $this->dbh->fetch_assoc($result)) {
 300                                         CCache::update($line["feed_id"], $_SESSION["uid"]);
 301                                 }
 302                         }
 303
 304                         if ($num_updated > 0 && $field == "published") {
 305                                 if (PUBSUBHUBBUB_HUB) {
 306                                         $rss_link = get_self_url_prefix() .
 307                                                 "/public.php?op=rss&id=-2&key=" .
 308                                                 get_feed_access_key(-2, false);
 309
 310                                         $p = new pubsubhubbub\publisher\Publisher(PUBSUBHUBBUB_HUB);
 311                                         $p->publish_update($rss_link);
 312                                 }
 313                         }
 314
 315                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 316                                 "updated" => $num_updated));
 317
 318                 } else {
 319                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 320                 }
 321
 322         }
 323
 324         function getArticle() {
 325
 326                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 327                 $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 328                         sql_bool_to_bool($_REQUEST["sanitize"]);
 329
 330                 if ($article_id) {
 331
 332                         $query = "SELECT id,guid,title,link,content,feed_id,comments,int_id,
 333                                 marked,unread,published,score,note,lang,
 334                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 335                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
 336                                 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
 337                                 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
 338                                 FROM ttrss_entries,ttrss_user_entries
 339                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 340                                         $_SESSION["uid"] ;
 341
 342                         $result = $this->dbh->query($query);
 343
 344                         $articles = array();
 345
 346                         if ($this->dbh->num_rows($result) != 0) {
 347
 348                                 while ($line = $this->dbh->fetch_assoc($result)) {
 349
 350                                         $attachments = Article::get_article_enclosures($line['id']);
 351
 352                                         $article = array(
 353                                                 "id" => $line["id"],
 354                                                 "guid" => $line["guid"],
 355                                                 "title" => $line["title"],
 356                                                 "link" => $line["link"],
 357                                                 "labels" => Article::get_article_labels($line['id']),
 358                                                 "unread" => sql_bool_to_bool($line["unread"]),
 359                                                 "marked" => sql_bool_to_bool($line["marked"]),
 360                                                 "published" => sql_bool_to_bool($line["published"]),
 361                                                 "comments" => $line["comments"],
 362                                                 "author" => $line["author"],
 363                                                 "updated" => (int) strtotime($line["updated"]),
 364                                                 "feed_id" => $line["feed_id"],
 365                                                 "attachments" => $attachments,
 366                                                 "score" => (int)$line["score"],
 367                                                 "feed_title" => $line["feed_title"],
 368                                                 "note" => $line["note"],
 369                                                 "lang" => $line["lang"]
 370                                         );
 371
 372                                         if ($sanitize_content) {
 373                                                 $article["content"] = sanitize(
 374                                                         $line["content"],
 375                                                         sql_bool_to_bool($line['hide_images']),
 376                                                         false, $line["site_url"], false, $line["id"]);
 377                                         } else {
 378                                                 $article["content"] = $line["content"];
 379                                         }
 380
 381                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 382                                                 $article = $p->hook_render_article_api(array("article" => $article));
 383                                         }
 384
 385
 386                                         array_push($articles, $article);
 387
 388                                 }
 389                         }
 390
 391                         $this->wrap(self::STATUS_OK, $articles);
 392                 } else {
 393                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 394                 }
 395         }
 396
 397         function getConfig() {
 398                 $config = array(
 399                         "icons_dir" => ICONS_DIR,
 400                         "icons_url" => ICONS_URL);
 401
 402                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 403
 404                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 405                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 406
 407                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 408
 409                 $config["num_feeds"] = (int)$num_feeds;
 410
 411                 $this->wrap(self::STATUS_OK, $config);
 412         }
 413
 414         function updateFeed() {
 415                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 416
 417                 if (!ini_get("open_basedir")) {
 418                         RSSUtils::update_rss_feed($feed_id);
 419                 }
 420
 421                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 422         }
 423
 424         function catchupFeed() {
 425                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 426                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 427
 428                 Feeds::catchup_feed($feed_id, $is_cat);
 429
 430                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 431         }
 432
 433         function getPref() {
 434                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 435
 436                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 437         }
 438
 439         function getLabels() {
 440                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 441
 442                 $article_id = (int)$_REQUEST['article_id'];
 443
 444                 $rv = array();
 445
 446                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 447                         FROM ttrss_labels2
 448                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 449
 450                 if ($article_id)
 451                         $article_labels = Article::get_article_labels($article_id);
 452                 else
 453                         $article_labels = array();
 454
 455                 while ($line = $this->dbh->fetch_assoc($result)) {
 456
 457                         $checked = false;
 458                         foreach ($article_labels as $al) {
 459                                 if (Labels::feed_to_label_id($al[0]) == $line['id']) {
 460                                         $checked = true;
 461                                         break;
 462                                 }
 463                         }
 464
 465                         array_push($rv, array(
 466                                 "id" => (int)Labels::label_to_feed_id($line['id']),
 467                                 "caption" => $line['caption'],
 468                                 "fg_color" => $line['fg_color'],
 469                                 "bg_color" => $line['bg_color'],
 470                                 "checked" => $checked));
 471                 }
 472
 473                 $this->wrap(self::STATUS_OK, $rv);
 474         }
 475
 476         function setArticleLabel() {
 477
 478                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 479                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 480                 $assign = (bool) ($this->dbh->escape_string($_REQUEST['assign']) == "true");
 481
 482                 $label = $this->dbh->escape_string(Labels::find_caption(
 483                         Labels::feed_to_label_id($label_id), $_SESSION["uid"]));
 484
 485                 $num_updated = 0;
 486
 487                 if ($label) {
 488
 489                         foreach ($article_ids as $id) {
 490
 491                                 if ($assign)
 492                                         Labels::add_article($id, $label, $_SESSION["uid"]);
 493                                 else
 494                                         Labels::remove_article($id, $label, $_SESSION["uid"]);
 495
 496                                 ++$num_updated;
 497
 498                         }
 499                 }
 500
 501                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 502                         "updated" => $num_updated));
 503
 504         }
 505
 506         function index($method) {
 507                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 508
 509                 if ($plugin && method_exists($plugin, $method)) {
 510                         $reply = $plugin->$method();
 511
 512                         $this->wrap($reply[0], $reply[1]);
 513
 514                 } else {
 515                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 516                 }
 517         }
 518
 519         function shareToPublished() {
 520                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 521                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 522                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 523
 524                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 525                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 526                 } else {
 527                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 528                 }
 529         }
 530
 531         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 532
 533                         $feeds = array();
 534
 535                         /* Labels */
 536
 537                         if ($cat_id == -4 || $cat_id == -2) {
 538                                 $counters = Counters::getLabelCounters(true);
 539
 540                                 foreach (array_values($counters) as $cv) {
 541
 542                                         $unread = $cv["counter"];
 543
 544                                         if ($unread || !$unread_only) {
 545
 546                                                 $row = array(
 547                                                                 "id" => (int) $cv["id"],
 548                                                                 "title" => $cv["description"],
 549                                                                 "unread" => $cv["counter"],
 550                                                                 "cat_id" => -2,
 551                                                         );
 552
 553                                                 array_push($feeds, $row);
 554                                         }
 555                                 }
 556                         }
 557
 558                         /* Virtual feeds */
 559
 560                         if ($cat_id == -4 || $cat_id == -1) {
 561                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 562                                         $unread = getFeedUnread($i);
 563
 564                                         if ($unread || !$unread_only) {
 565                                                 $title = Feeds::getFeedTitle($i);
 566
 567                                                 $row = array(
 568                                                                 "id" => $i,
 569                                                                 "title" => $title,
 570                                                                 "unread" => $unread,
 571                                                                 "cat_id" => -1,
 572                                                         );
 573                                                 array_push($feeds, $row);
 574                                         }
 575
 576                                 }
 577                         }
 578
 579                         /* Child cats */
 580
 581                         if ($include_nested && $cat_id) {
 582                                 $result = db_query("SELECT
 583                                         id, title FROM ttrss_feed_categories
 584                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 585                                 " ORDER BY id, title");
 586
 587                                 while ($line = db_fetch_assoc($result)) {
 588                                         $unread = getFeedUnread($line["id"], true) +
 589                                                 Feeds::getCategoryChildrenUnread($line["id"]);
 590
 591                                         if ($unread || !$unread_only) {
 592                                                 $row = array(
 593                                                                 "id" => (int) $line["id"],
 594                                                                 "title" => $line["title"],
 595                                                                 "unread" => $unread,
 596                                                                 "is_cat" => true,
 597                                                         );
 598                                                 array_push($feeds, $row);
 599                                         }
 600                                 }
 601                         }
 602
 603                         /* Real feeds */
 604
 605                         if ($limit) {
 606                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 607                         } else {
 608                                 $limit_qpart = "";
 609                         }
 610
 611                         if ($cat_id == -4 || $cat_id == -3) {
 612                                 $result = db_query("SELECT
 613                                         id, feed_url, cat_id, title, order_id, ".
 614                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 615                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 616                                                 " ORDER BY cat_id, title " . $limit_qpart);
 617                         } else {
 618
 619                                 if ($cat_id)
 620                                         $cat_qpart = "cat_id = '$cat_id'";
 621                                 else
 622                                         $cat_qpart = "cat_id IS NULL";
 623
 624                                 $result = db_query("SELECT
 625                                         id, feed_url, cat_id, title, order_id, ".
 626                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 627                                                 FROM ttrss_feeds WHERE
 628                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 629                                                 " ORDER BY cat_id, title " . $limit_qpart);
 630                         }
 631
 632                         while ($line = db_fetch_assoc($result)) {
 633
 634                                 $unread = getFeedUnread($line["id"]);
 635
 636                                 $has_icon = feed_has_icon($line['id']);
 637
 638                                 if ($unread || !$unread_only) {
 639
 640                                         $row = array(
 641                                                         "feed_url" => $line["feed_url"],
 642                                                         "title" => $line["title"],
 643                                                         "id" => (int)$line["id"],
 644                                                         "unread" => (int)$unread,
 645                                                         "has_icon" => $has_icon,
 646                                                         "cat_id" => (int)$line["cat_id"],
 647                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 648                                                         "order_id" => (int) $line["order_id"],
 649                                                 );
 650
 651                                         array_push($feeds, $row);
 652                                 }
 653                         }
 654
 655                 return $feeds;
 656         }
 657
 658         /**
 659          * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 660          */
 661         static function api_get_headlines($feed_id, $limit, $offset,
 662                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 663                                 $include_attachments, $since_id,
 664                                 $search = "", $include_nested = false, $sanitize_content = true,
 665                                 $force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
 666
 667                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 668                                 // Update the feed if required with some basic flood control
 669
 670                                 $result = db_query(
 671                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 672                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 673
 674                                 if (db_num_rows($result) != 0) {
 675                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 676                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 677
 678                                         if (!$cache_images && time() - $last_updated > 120) {
 679                                                 RSSUtils::update_rss_feed($feed_id, true);
 680                                         } else {
 681                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 682                                                         WHERE id = '$feed_id'");
 683                                         }
 684                                 }
 685                         }
 686
 687                         $params = array(
 688                                 "feed" => $feed_id,
 689                                 "limit" => $limit,
 690                                 "view_mode" => $view_mode,
 691                                 "cat_view" => $is_cat,
 692                                 "search" => $search,
 693                                 "override_order" => $order,
 694                                 "offset" => $offset,
 695                                 "since_id" => $since_id,
 696                                 "include_children" => $include_nested,
 697                                 "check_first_id" => $check_first_id,
 698                                 "skip_first_id_check" => $skip_first_id_check
 699                         );
 700
 701                         $qfh_ret = Feeds::queryFeedHeadlines($params);
 702
 703                         $result = $qfh_ret[0];
 704                         $feed_title = $qfh_ret[1];
 705                         $first_id = $qfh_ret[6];
 706
 707                         $headlines = array();
 708
 709                         $headlines_header = array(
 710                                 'id' => $feed_id,
 711                                 'first_id' => $first_id,
 712                                 'is_cat' => $is_cat);
 713
 714                         if (!is_numeric($result)) {
 715                                 while ($line = db_fetch_assoc($result)) {
 716                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 717                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 718                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
 719                                         }
 720
 721                                         $is_updated = ($line["last_read"] == "" &&
 722                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
 723
 724                                         $tags = explode(",", $line["tag_cache"]);
 725
 726                                         $label_cache = $line["label_cache"];
 727                                         $labels = false;
 728
 729                                         if ($label_cache) {
 730                                                 $label_cache = json_decode($label_cache, true);
 731
 732                                                 if ($label_cache) {
 733                                                         if ($label_cache["no-labels"] == 1)
 734                                                                 $labels = array();
 735                                                         else
 736                                                                 $labels = $label_cache;
 737                                                 }
 738                                         }
 739
 740                                         if (!is_array($labels)) $labels = Article::get_article_labels($line["id"]);
 741
 742                                         $headline_row = array(
 743                                                 "id" => (int)$line["id"],
 744                                                 "guid" => $line["guid"],
 745                                                 "unread" => sql_bool_to_bool($line["unread"]),
 746                                                 "marked" => sql_bool_to_bool($line["marked"]),
 747                                                 "published" => sql_bool_to_bool($line["published"]),
 748                                                 "updated" => (int)strtotime($line["updated"]),
 749                                                 "is_updated" => $is_updated,
 750                                                 "title" => $line["title"],
 751                                                 "link" => $line["link"],
 752                                                 "feed_id" => $line["feed_id"],
 753                                                 "tags" => $tags,
 754                                         );
 755
 756                                         if ($include_attachments)
 757                                                 $headline_row['attachments'] = Article::get_article_enclosures(
 758                                                         $line['id']);
 759
 760                                         if ($show_excerpt)
 761                                                 $headline_row["excerpt"] = $line["content_preview"];
 762
 763                                         if ($show_content) {
 764
 765                                                 if ($sanitize_content) {
 766                                                         $headline_row["content"] = sanitize(
 767                                                                 $line["content"],
 768                                                                 sql_bool_to_bool($line['hide_images']),
 769                                                                 false, $line["site_url"], false, $line["id"]);
 770                                                 } else {
 771                                                         $headline_row["content"] = $line["content"];
 772                                                 }
 773                                         }
 774
 775                                         // unify label output to ease parsing
 776                                         if ($labels["no-labels"] == 1) $labels = array();
 777
 778                                         $headline_row["labels"] = $labels;
 779
 780                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 781                                                 $feed_title;
 782
 783                                         $headline_row["comments_count"] = (int)$line["num_comments"];
 784                                         $headline_row["comments_link"] = $line["comments"];
 785
 786                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 787
 788                                         $headline_row["author"] = $line["author"];
 789
 790                                         $headline_row["score"] = (int)$line["score"];
 791                                         $headline_row["note"] = $line["note"];
 792                                         $headline_row["lang"] = $line["lang"];
 793
 794                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 795                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 796                                         }
 797
 798                                         array_push($headlines, $headline_row);
 799                                 }
 800                         } else if (is_numeric($result) && $result == -1) {
 801                                 $headlines_header['first_id_changed'] = true;
 802                         }
 803
 804                         return array($headlines, $headlines_header);
 805         }
 806
 807         function unsubscribeFeed() {
 808                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 809
 810                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 811                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 812
 813                 if ($this->dbh->num_rows($result) != 0) {
 814                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 815                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 816                 } else {
 817                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 818                 }
 819         }
 820
 821         function subscribeToFeed() {
 822                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 823                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 824                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 825                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 826
 827                 if ($feed_url) {
 828                         $rc = Feeds::subscribe_to_feed($feed_url, $category_id, $login, $password);
 829
 830                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 831                 } else {
 832                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 833                 }
 834         }
 835
 836         function getFeedTree() {
 837                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 838
 839                 $pf = new Pref_Feeds($_REQUEST);
 840
 841                 $_REQUEST['mode'] = 2;
 842                 $_REQUEST['force_show_empty'] = $include_empty;
 843
 844                 if ($pf){
 845                         $data = $pf->makefeedtree();
 846                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 847                 } else {
 848                         $this->wrap(self::STATUS_ERR, array("error" =>
 849                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 850                 }
 851
 852         }
 853
 854         // only works for labels or uncategorized for the time being
 855         private function isCategoryEmpty($id) {
 856
 857                 if ($id == -2) {
 858                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 859                                 WHERE owner_uid = " . $_SESSION["uid"]);
 860
 861                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 862
 863                 } else if ($id == 0) {
 864                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 865                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 866
 867                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 868
 869                 }
 870
 871                 return false;
 872         }
 873
 874
 875 }