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, date_entered, updated";
 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                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 305                                 "updated" => $num_updated));
 306
 307                 } else {
 308                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 309                 }
 310
 311         }
 312
 313         function getArticle() {
 314
 315                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 316                 $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 317                         sql_bool_to_bool($_REQUEST["sanitize"]);
 318
 319                 if ($article_id) {
 320
 321                         $query = "SELECT id,guid,title,link,content,feed_id,comments,int_id,
 322                                 marked,unread,published,score,note,lang,
 323                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 324                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
 325                                 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
 326                                 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
 327                                 FROM ttrss_entries,ttrss_user_entries
 328                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 329                                         $_SESSION["uid"] ;
 330
 331                         $result = $this->dbh->query($query);
 332
 333                         $articles = array();
 334
 335                         if ($this->dbh->num_rows($result) != 0) {
 336
 337                                 while ($line = $this->dbh->fetch_assoc($result)) {
 338
 339                                         $attachments = Article::get_article_enclosures($line['id']);
 340
 341                                         $article = array(
 342                                                 "id" => $line["id"],
 343                                                 "guid" => $line["guid"],
 344                                                 "title" => $line["title"],
 345                                                 "link" => $line["link"],
 346                                                 "labels" => Article::get_article_labels($line['id']),
 347                                                 "unread" => sql_bool_to_bool($line["unread"]),
 348                                                 "marked" => sql_bool_to_bool($line["marked"]),
 349                                                 "published" => sql_bool_to_bool($line["published"]),
 350                                                 "comments" => $line["comments"],
 351                                                 "author" => $line["author"],
 352                                                 "updated" => (int) strtotime($line["updated"]),
 353                                                 "feed_id" => $line["feed_id"],
 354                                                 "attachments" => $attachments,
 355                                                 "score" => (int)$line["score"],
 356                                                 "feed_title" => $line["feed_title"],
 357                                                 "note" => $line["note"],
 358                                                 "lang" => $line["lang"]
 359                                         );
 360
 361                                         if ($sanitize_content) {
 362                                                 $article["content"] = sanitize(
 363                                                         $line["content"],
 364                                                         sql_bool_to_bool($line['hide_images']),
 365                                                         false, $line["site_url"], false, $line["id"]);
 366                                         } else {
 367                                                 $article["content"] = $line["content"];
 368                                         }
 369
 370                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 371                                                 $article = $p->hook_render_article_api(array("article" => $article));
 372                                         }
 373
 374
 375                                         array_push($articles, $article);
 376
 377                                 }
 378                         }
 379
 380                         $this->wrap(self::STATUS_OK, $articles);
 381                 } else {
 382                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 383                 }
 384         }
 385
 386         function getConfig() {
 387                 $config = array(
 388                         "icons_dir" => ICONS_DIR,
 389                         "icons_url" => ICONS_URL);
 390
 391                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 392
 393                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 394                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 395
 396                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 397
 398                 $config["num_feeds"] = (int)$num_feeds;
 399
 400                 $this->wrap(self::STATUS_OK, $config);
 401         }
 402
 403         function updateFeed() {
 404                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 405
 406                 if (!ini_get("open_basedir")) {
 407                         RSSUtils::update_rss_feed($feed_id);
 408                 }
 409
 410                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 411         }
 412
 413         function catchupFeed() {
 414                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 415                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 416
 417                 Feeds::catchup_feed($feed_id, $is_cat);
 418
 419                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 420         }
 421
 422         function getPref() {
 423                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 424
 425                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 426         }
 427
 428         function getLabels() {
 429                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 430
 431                 $article_id = (int)$_REQUEST['article_id'];
 432
 433                 $rv = array();
 434
 435                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 436                         FROM ttrss_labels2
 437                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 438
 439                 if ($article_id)
 440                         $article_labels = Article::get_article_labels($article_id);
 441                 else
 442                         $article_labels = array();
 443
 444                 while ($line = $this->dbh->fetch_assoc($result)) {
 445
 446                         $checked = false;
 447                         foreach ($article_labels as $al) {
 448                                 if (Labels::feed_to_label_id($al[0]) == $line['id']) {
 449                                         $checked = true;
 450                                         break;
 451                                 }
 452                         }
 453
 454                         array_push($rv, array(
 455                                 "id" => (int)Labels::label_to_feed_id($line['id']),
 456                                 "caption" => $line['caption'],
 457                                 "fg_color" => $line['fg_color'],
 458                                 "bg_color" => $line['bg_color'],
 459                                 "checked" => $checked));
 460                 }
 461
 462                 $this->wrap(self::STATUS_OK, $rv);
 463         }
 464
 465         function setArticleLabel() {
 466
 467                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 468                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 469                 $assign = sql_bool_to_bool($_REQUEST['assign']);
 470
 471                 $label = $this->dbh->escape_string(Labels::find_caption(
 472                         Labels::feed_to_label_id($label_id), $_SESSION["uid"]));
 473
 474                 $num_updated = 0;
 475
 476                 if ($label) {
 477
 478                         foreach ($article_ids as $id) {
 479
 480                                 if ($assign)
 481                                         Labels::add_article($id, $label, $_SESSION["uid"]);
 482                                 else
 483                                         Labels::remove_article($id, $label, $_SESSION["uid"]);
 484
 485                                 ++$num_updated;
 486
 487                         }
 488                 }
 489
 490                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 491                         "updated" => $num_updated));
 492
 493         }
 494
 495         function index($method) {
 496                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 497
 498                 if ($plugin && method_exists($plugin, $method)) {
 499                         $reply = $plugin->$method();
 500
 501                         $this->wrap($reply[0], $reply[1]);
 502
 503                 } else {
 504                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 505                 }
 506         }
 507
 508         function shareToPublished() {
 509                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 510                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 511                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 512
 513                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 514                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 515                 } else {
 516                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 517                 }
 518         }
 519
 520         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 521
 522                         $feeds = array();
 523
 524                         /* Labels */
 525
 526                         if ($cat_id == -4 || $cat_id == -2) {
 527                                 $counters = Counters::getLabelCounters(true);
 528
 529                                 foreach (array_values($counters) as $cv) {
 530
 531                                         $unread = $cv["counter"];
 532
 533                                         if ($unread || !$unread_only) {
 534
 535                                                 $row = array(
 536                                                                 "id" => (int) $cv["id"],
 537                                                                 "title" => $cv["description"],
 538                                                                 "unread" => $cv["counter"],
 539                                                                 "cat_id" => -2,
 540                                                         );
 541
 542                                                 array_push($feeds, $row);
 543                                         }
 544                                 }
 545                         }
 546
 547                         /* Virtual feeds */
 548
 549                         if ($cat_id == -4 || $cat_id == -1) {
 550                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 551                                         $unread = getFeedUnread($i);
 552
 553                                         if ($unread || !$unread_only) {
 554                                                 $title = Feeds::getFeedTitle($i);
 555
 556                                                 $row = array(
 557                                                                 "id" => $i,
 558                                                                 "title" => $title,
 559                                                                 "unread" => $unread,
 560                                                                 "cat_id" => -1,
 561                                                         );
 562                                                 array_push($feeds, $row);
 563                                         }
 564
 565                                 }
 566                         }
 567
 568                         /* Child cats */
 569
 570                         if ($include_nested && $cat_id) {
 571                                 $result = db_query("SELECT
 572                                         id, title, order_id FROM ttrss_feed_categories
 573                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 574                                 " ORDER BY id, title");
 575
 576                                 while ($line = db_fetch_assoc($result)) {
 577                                         $unread = getFeedUnread($line["id"], true) +
 578                                                 Feeds::getCategoryChildrenUnread($line["id"]);
 579
 580                                         if ($unread || !$unread_only) {
 581                                                 $row = array(
 582                                                                 "id" => (int) $line["id"],
 583                                                                 "title" => $line["title"],
 584                                                                 "unread" => $unread,
 585                                                                 "is_cat" => true,
 586                                 "order_id" => (int) $line["order_id"]
 587                                                         );
 588                                                 array_push($feeds, $row);
 589                                         }
 590                                 }
 591                         }
 592
 593                         /* Real feeds */
 594
 595                         if ($limit) {
 596                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 597                         } else {
 598                                 $limit_qpart = "";
 599                         }
 600
 601                         if ($cat_id == -4 || $cat_id == -3) {
 602                                 $result = db_query("SELECT
 603                                         id, feed_url, cat_id, title, order_id, ".
 604                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 605                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 606                                                 " ORDER BY cat_id, title " . $limit_qpart);
 607                         } else {
 608
 609                                 if ($cat_id)
 610                                         $cat_qpart = "cat_id = '$cat_id'";
 611                                 else
 612                                         $cat_qpart = "cat_id IS NULL";
 613
 614                                 $result = db_query("SELECT
 615                                         id, feed_url, cat_id, title, order_id, ".
 616                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 617                                                 FROM ttrss_feeds WHERE
 618                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 619                                                 " ORDER BY cat_id, title " . $limit_qpart);
 620                         }
 621
 622                         while ($line = db_fetch_assoc($result)) {
 623
 624                                 $unread = getFeedUnread($line["id"]);
 625
 626                                 $has_icon = feed_has_icon($line['id']);
 627
 628                                 if ($unread || !$unread_only) {
 629
 630                                         $row = array(
 631                                                         "feed_url" => $line["feed_url"],
 632                                                         "title" => $line["title"],
 633                                                         "id" => (int)$line["id"],
 634                                                         "unread" => (int)$unread,
 635                                                         "has_icon" => $has_icon,
 636                                                         "cat_id" => (int)$line["cat_id"],
 637                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 638                                                         "order_id" => (int) $line["order_id"],
 639                                                 );
 640
 641                                         array_push($feeds, $row);
 642                                 }
 643                         }
 644
 645                 return $feeds;
 646         }
 647
 648         /**
 649          * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 650          */
 651         static function api_get_headlines($feed_id, $limit, $offset,
 652                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 653                                 $include_attachments, $since_id,
 654                                 $search = "", $include_nested = false, $sanitize_content = true,
 655                                 $force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
 656
 657                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 658                                 // Update the feed if required with some basic flood control
 659
 660                                 $result = db_query(
 661                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 662                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 663
 664                                 if (db_num_rows($result) != 0) {
 665                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 666                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 667
 668                                         if (!$cache_images && time() - $last_updated > 120) {
 669                                                 RSSUtils::update_rss_feed($feed_id, true);
 670                                         } else {
 671                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 672                                                         WHERE id = '$feed_id'");
 673                                         }
 674                                 }
 675                         }
 676
 677                         $params = array(
 678                                 "feed" => $feed_id,
 679                                 "limit" => $limit,
 680                                 "view_mode" => $view_mode,
 681                                 "cat_view" => $is_cat,
 682                                 "search" => $search,
 683                                 "override_order" => $order,
 684                                 "offset" => $offset,
 685                                 "since_id" => $since_id,
 686                                 "include_children" => $include_nested,
 687                                 "check_first_id" => $check_first_id,
 688                                 "skip_first_id_check" => $skip_first_id_check
 689                         );
 690
 691                         $qfh_ret = Feeds::queryFeedHeadlines($params);
 692
 693                         $result = $qfh_ret[0];
 694                         $feed_title = $qfh_ret[1];
 695                         $first_id = $qfh_ret[6];
 696
 697                         $headlines = array();
 698
 699                         $headlines_header = array(
 700                                 'id' => $feed_id,
 701                                 'first_id' => $first_id,
 702                                 'is_cat' => $is_cat);
 703
 704                         if (!is_numeric($result)) {
 705                                 while ($line = db_fetch_assoc($result)) {
 706                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 707                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 708                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
 709                                         }
 710
 711                                         $is_updated = ($line["last_read"] == "" &&
 712                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
 713
 714                                         $tags = explode(",", $line["tag_cache"]);
 715
 716                                         $label_cache = $line["label_cache"];
 717                                         $labels = false;
 718
 719                                         if ($label_cache) {
 720                                                 $label_cache = json_decode($label_cache, true);
 721
 722                                                 if ($label_cache) {
 723                                                         if ($label_cache["no-labels"] == 1)
 724                                                                 $labels = array();
 725                                                         else
 726                                                                 $labels = $label_cache;
 727                                                 }
 728                                         }
 729
 730                                         if (!is_array($labels)) $labels = Article::get_article_labels($line["id"]);
 731
 732                                         $headline_row = array(
 733                                                 "id" => (int)$line["id"],
 734                                                 "guid" => $line["guid"],
 735                                                 "unread" => sql_bool_to_bool($line["unread"]),
 736                                                 "marked" => sql_bool_to_bool($line["marked"]),
 737                                                 "published" => sql_bool_to_bool($line["published"]),
 738                                                 "updated" => (int)strtotime($line["updated"]),
 739                                                 "is_updated" => $is_updated,
 740                                                 "title" => $line["title"],
 741                                                 "link" => $line["link"],
 742                                                 "feed_id" => $line["feed_id"],
 743                                                 "tags" => $tags,
 744                                         );
 745
 746                                         if ($include_attachments)
 747                                                 $headline_row['attachments'] = Article::get_article_enclosures(
 748                                                         $line['id']);
 749
 750                                         if ($show_excerpt)
 751                                                 $headline_row["excerpt"] = $line["content_preview"];
 752
 753                                         if ($show_content) {
 754
 755                                                 if ($sanitize_content) {
 756                                                         $headline_row["content"] = sanitize(
 757                                                                 $line["content"],
 758                                                                 sql_bool_to_bool($line['hide_images']),
 759                                                                 false, $line["site_url"], false, $line["id"]);
 760                                                 } else {
 761                                                         $headline_row["content"] = $line["content"];
 762                                                 }
 763                                         }
 764
 765                                         // unify label output to ease parsing
 766                                         if ($labels["no-labels"] == 1) $labels = array();
 767
 768                                         $headline_row["labels"] = $labels;
 769
 770                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 771                                                 $feed_title;
 772
 773                                         $headline_row["comments_count"] = (int)$line["num_comments"];
 774                                         $headline_row["comments_link"] = $line["comments"];
 775
 776                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 777
 778                                         $headline_row["author"] = $line["author"];
 779
 780                                         $headline_row["score"] = (int)$line["score"];
 781                                         $headline_row["note"] = $line["note"];
 782                                         $headline_row["lang"] = $line["lang"];
 783
 784                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 785                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 786                                         }
 787
 788                                         array_push($headlines, $headline_row);
 789                                 }
 790                         } else if (is_numeric($result) && $result == -1) {
 791                                 $headlines_header['first_id_changed'] = true;
 792                         }
 793
 794                         return array($headlines, $headlines_header);
 795         }
 796
 797         function unsubscribeFeed() {
 798                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 799
 800                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 801                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 802
 803                 if ($this->dbh->num_rows($result) != 0) {
 804                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 805                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 806                 } else {
 807                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 808                 }
 809         }
 810
 811         function subscribeToFeed() {
 812                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 813                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 814                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 815                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 816
 817                 if ($feed_url) {
 818                         $rc = Feeds::subscribe_to_feed($feed_url, $category_id, $login, $password);
 819
 820                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 821                 } else {
 822                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 823                 }
 824         }
 825
 826         function getFeedTree() {
 827                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 828
 829                 $pf = new Pref_Feeds($_REQUEST);
 830
 831                 $_REQUEST['mode'] = 2;
 832                 $_REQUEST['force_show_empty'] = $include_empty;
 833
 834                 if ($pf){
 835                         $data = $pf->makefeedtree();
 836                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 837                 } else {
 838                         $this->wrap(self::STATUS_ERR, array("error" =>
 839                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 840                 }
 841
 842         }
 843
 844         // only works for labels or uncategorized for the time being
 845         private function isCategoryEmpty($id) {
 846
 847                 if ($id == -2) {
 848                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 849                                 WHERE owner_uid = " . $_SESSION["uid"]);
 850
 851                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 852
 853                 } else if ($id == 0) {
 854                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 855                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 856
 857                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 858
 859                 }
 860
 861                 return false;
 862         }
 863
 864
 865 }