classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 5;
   6
   7         const STATUS_OK  = 0;
   8         const STATUS_ERR = 1;
   9
  10         private $seq;
  11
  12         function before($method) {
  13                 if (parent::before($method)) {
  14                         header("Content-Type: text/json");
  15
  16                         if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
  17                                 print $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  18                                 return false;
  19                         }
  20
  21                         if ($_SESSION["uid"] && $method != "logout" && !get_pref($this->link, 'ENABLE_API_ACCESS')) {
  22                                 print $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
  23                                 return false;
  24                         }
  25
  26                         $this->seq = (int) $_REQUEST['seq'];
  27
  28                         return true;
  29                 }
  30                 return false;
  31         }
  32
  33         function wrap($status, $reply) {
  34                 print json_encode(array("seq" => $this->seq,
  35                         "status" => $status,
  36                         "content" => $reply));
  37         }
  38
  39         function getVersion() {
  40                 $rv = array("version" => VERSION);
  41                 print $this->wrap(self::STATUS_OK, $rv);
  42         }
  43
  44         function getApiLevel() {
  45                 $rv = array("level" => self::API_LEVEL);
  46                 print $this->wrap(self::STATUS_OK, $rv);
  47         }
  48
  49         function login() {
  50                 $login = db_escape_string($this->link, $_REQUEST["user"]);
  51                 $password = $_REQUEST["password"];
  52                 $password_base64 = base64_decode($_REQUEST["password"]);
  53
  54                 if (SINGLE_USER_MODE) $login = "admin";
  55
  56                 $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
  57
  58                 if (db_num_rows($result) != 0) {
  59                         $uid = db_fetch_result($result, 0, "id");
  60                 } else {
  61                         $uid = 0;
  62                 }
  63
  64                 if (!$uid) {
  65                         print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  66                         return;
  67                 }
  68
  69                 if (get_pref($this->link, "ENABLE_API_ACCESS", $uid)) {
  70                         if (authenticate_user($this->link, $login, $password)) {               // try login with normal password
  71                                 print $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  72                                         "api_level" => self::API_LEVEL));
  73                         } else if (authenticate_user($this->link, $login, $password_base64)) { // else try with base64_decoded password
  74                                 print $this->wrap(self::STATUS_OK,      array("session_id" => session_id(),
  75                                         "api_level" => self::API_LEVEL));
  76                         } else {                                                         // else we are not logged in
  77                                 print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  78                         }
  79                 } else {
  80                         print $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  81                 }
  82
  83         }
  84
  85         function logout() {
  86                 logout_user();
  87                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
  88         }
  89
  90         function isLoggedIn() {
  91                 print $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
  92         }
  93
  94         function getUnread() {
  95                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
  96                 $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
  97
  98                 if ($feed_id) {
  99                         print $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($this->link, $feed_id, $is_cat)));
 100                 } else {
 101                         print $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread($this->link)));
 102                 }
 103         }
 104
 105         /* Method added for ttrss-reader for Android */
 106         function getCounters() {
 107                 print $this->wrap(self::STATUS_OK, getAllCounters($this->link));
 108         }
 109
 110         function getFeeds() {
 111                 $cat_id = db_escape_string($this->link, $_REQUEST["cat_id"]);
 112                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 113                 $limit = (int) db_escape_string($this->link, $_REQUEST["limit"]);
 114                 $offset = (int) db_escape_string($this->link, $_REQUEST["offset"]);
 115                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 116
 117                 $feeds = $this->api_get_feeds($this->link, $cat_id, $unread_only, $limit, $offset, $include_nested);
 118
 119                 print $this->wrap(self::STATUS_OK, $feeds);
 120         }
 121
 122         function getCategories() {
 123                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 124                 $enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
 125
 126                 // TODO do not return empty categories, return Uncategorized and standard virtual cats
 127
 128                 if ($enable_nested)
 129                         $nested_qpart = "parent_cat IS NULL";
 130                 else
 131                         $nested_qpart = "true";
 132
 133                 $result = db_query($this->link, "SELECT
 134                                 id, title, order_id, (SELECT COUNT(id) FROM
 135                                 ttrss_feeds WHERE
 136                                 ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
 137                         (SELECT COUNT(id) FROM
 138                                 ttrss_feed_categories AS c2 WHERE
 139                                 c2.parent_cat = ttrss_feed_categories.id) AS num_cats
 140                         FROM ttrss_feed_categories
 141                         WHERE $nested_qpart AND owner_uid = " .
 142                         $_SESSION["uid"]);
 143
 144                 $cats = array();
 145
 146                 while ($line = db_fetch_assoc($result)) {
 147                         if ($line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 148                                 $unread = getFeedUnread($this->link, $line["id"], true);
 149
 150                                 if ($enable_nested)
 151                                         $unread += getCategoryChildrenUnread($this->link, $line["id"]);
 152
 153                                 if ($unread || !$unread_only) {
 154                                         array_push($cats, array("id" => $line["id"],
 155                                                 "title" => $line["title"],
 156                                                 "unread" => $unread,
 157                                                 "order_id" => (int) $line["order_id"],
 158                                         ));
 159                                 }
 160                         }
 161                 }
 162
 163                 foreach (array(-2,-1,0) as $cat_id) {
 164                         $unread = getFeedUnread($this->link, $cat_id, true);
 165
 166                         if ($unread || !$unread_only) {
 167                                 array_push($cats, array("id" => $cat_id,
 168                                         "title" => getCategoryTitle($this->link, $cat_id),
 169                                         "unread" => $unread));
 170                         }
 171                 }
 172
 173                 print $this->wrap(self::STATUS_OK, $cats);
 174         }
 175
 176         function getHeadlines() {
 177                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
 178                 if ($feed_id != "") {
 179
 180                         $limit = (int)db_escape_string($this->link, $_REQUEST["limit"]);
 181
 182                         if (!$limit || $limit >= 60) $limit = 60;
 183
 184                         $offset = (int)db_escape_string($this->link, $_REQUEST["skip"]);
 185                         $filter = db_escape_string($this->link, $_REQUEST["filter"]);
 186                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 187                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 188                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 189                         /* all_articles, unread, adaptive, marked, updated */
 190                         $view_mode = db_escape_string($this->link, $_REQUEST["view_mode"]);
 191                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 192                         $since_id = (int)db_escape_string($this->link, $_REQUEST["since_id"]);
 193                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 194                         $sanitize_content = true;
 195
 196                         /* do not rely on params below */
 197
 198                         $search = db_escape_string($this->link, $_REQUEST["search"]);
 199                         $search_mode = db_escape_string($this->link, $_REQUEST["search_mode"]);
 200
 201                         $headlines = $this->api_get_headlines($this->link, $feed_id, $limit, $offset,
 202                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, false,
 203                                 $include_attachments, $since_id, $search, $search_mode,
 204                                 $include_nested, $sanitize_content);
 205
 206                         print $this->wrap(self::STATUS_OK, $headlines);
 207                 } else {
 208                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 209                 }
 210         }
 211
 212         function updateArticle() {
 213                 $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 214                 $mode = (int) db_escape_string($this->link, $_REQUEST["mode"]);
 215                 $data = db_escape_string($this->link, $_REQUEST["data"]);
 216                 $field_raw = (int)db_escape_string($this->link, $_REQUEST["field"]);
 217
 218                 $field = "";
 219                 $set_to = "";
 220
 221                 switch ($field_raw) {
 222                         case 0:
 223                                 $field = "marked";
 224                                 $additional_fields = ",last_marked = NOW()";
 225                                 break;
 226                         case 1:
 227                                 $field = "published";
 228                                 $additional_fields = ",last_published = NOW()";
 229                                 break;
 230                         case 2:
 231                                 $field = "unread";
 232                                 $additional_fields = ",last_read = NOW()";
 233                                 break;
 234                         case 3:
 235                                 $field = "note";
 236                 };
 237
 238                 switch ($mode) {
 239                         case 1:
 240                                 $set_to = "true";
 241                                 break;
 242                         case 0:
 243                                 $set_to = "false";
 244                                 break;
 245                         case 2:
 246                                 $set_to = "NOT $field";
 247                                 break;
 248                 }
 249
 250                 if ($field == "note") $set_to = "'$data'";
 251
 252                 if ($field && $set_to && count($article_ids) > 0) {
 253
 254                         $article_ids = join(", ", $article_ids);
 255
 256                         $result = db_query($this->link, "UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 257
 258                         $num_updated = db_affected_rows($this->link, $result);
 259
 260                         if ($num_updated > 0 && $field == "unread") {
 261                                 $result = db_query($this->link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
 262                                         WHERE ref_id IN ($article_ids)");
 263
 264                                 while ($line = db_fetch_assoc($result)) {
 265                                         ccache_update($this->link, $line["feed_id"], $_SESSION["uid"]);
 266                                 }
 267                         }
 268
 269                         if ($num_updated > 0 && $field == "published") {
 270                                 if (PUBSUBHUBBUB_HUB) {
 271                                         $rss_link = get_self_url_prefix() .
 272                                                 "/public.php?op=rss&id=-2&key=" .
 273                                                 get_feed_access_key($this->link, -2, false);
 274
 275                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 276                                         $pubsub_result = $p->publish_update($rss_link);
 277                                 }
 278                         }
 279
 280                         print $this->wrap(self::STATUS_OK, array("status" => "OK",
 281                                 "updated" => $num_updated));
 282
 283                 } else {
 284                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 285                 }
 286
 287         }
 288
 289         function getArticle() {
 290
 291                 $article_id = join(",", array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_id"])), is_numeric));
 292
 293                 $query = "SELECT id,title,link,content,cached_content,feed_id,comments,int_id,
 294                         marked,unread,published,
 295                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 296                         author
 297                         FROM ttrss_entries,ttrss_user_entries
 298                         WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 299                                 $_SESSION["uid"] ;
 300
 301                 $result = db_query($this->link, $query);
 302
 303                 $articles = array();
 304
 305                 if (db_num_rows($result) != 0) {
 306
 307                         while ($line = db_fetch_assoc($result)) {
 308
 309                                 $attachments = get_article_enclosures($this->link, $line['id']);
 310
 311                                 $article = array(
 312                                         "id" => $line["id"],
 313                                         "title" => $line["title"],
 314                                         "link" => $line["link"],
 315                                         "labels" => get_article_labels($this->link, $line['id']),
 316                                         "unread" => sql_bool_to_bool($line["unread"]),
 317                                         "marked" => sql_bool_to_bool($line["marked"]),
 318                                         "published" => sql_bool_to_bool($line["published"]),
 319                                         "comments" => $line["comments"],
 320                                         "author" => $line["author"],
 321                                         "updated" => (int) strtotime($line["updated"]),
 322                                         "content" => $line["cached_content"] != "" ? $line["cached_content"] : $line["content"],
 323                                         "feed_id" => $line["feed_id"],
 324                                         "attachments" => $attachments
 325                                 );
 326
 327                                 array_push($articles, $article);
 328
 329                         }
 330                 }
 331
 332                 print $this->wrap(self::STATUS_OK, $articles);
 333
 334         }
 335
 336         function getConfig() {
 337                 $config = array(
 338                         "icons_dir" => ICONS_DIR,
 339                         "icons_url" => ICONS_URL);
 340
 341                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 342
 343                 $result = db_query($this->link, "SELECT COUNT(*) AS cf FROM
 344                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 345
 346                 $num_feeds = db_fetch_result($result, 0, "cf");
 347
 348                 $config["num_feeds"] = (int)$num_feeds;
 349
 350                 print $this->wrap(self::STATUS_OK, $config);
 351         }
 352
 353         function updateFeed() {
 354                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
 355
 356                 update_rss_feed($this->link, $feed_id, true);
 357
 358                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 359         }
 360
 361         function catchupFeed() {
 362                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
 363                 $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
 364
 365                 catchup_feed($this->link, $feed_id, $is_cat);
 366
 367                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 368         }
 369
 370         function getPref() {
 371                 $pref_name = db_escape_string($this->link, $_REQUEST["pref_name"]);
 372
 373                 print $this->wrap(self::STATUS_OK, array("value" => get_pref($this->link, $pref_name)));
 374         }
 375
 376         function getLabels() {
 377                 //$article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 378
 379                 $article_id = (int)$_REQUEST['article_id'];
 380
 381                 $rv = array();
 382
 383                 $result = db_query($this->link, "SELECT id, caption, fg_color, bg_color
 384                         FROM ttrss_labels2
 385                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 386
 387                 if ($article_id)
 388                         $article_labels = get_article_labels($this->link, $article_id);
 389                 else
 390                         $article_labels = array();
 391
 392                 while ($line = db_fetch_assoc($result)) {
 393
 394                         $checked = false;
 395                         foreach ($article_labels as $al) {
 396                                 if ($al[0] == $line['id']) {
 397                                         $checked = true;
 398                                         break;
 399                                 }
 400                         }
 401
 402                         array_push($rv, array(
 403                                 "id" => (int)$line['id'],
 404                                 "caption" => $line['caption'],
 405                                 "fg_color" => $line['fg_color'],
 406                                 "bg_color" => $line['bg_color'],
 407                                 "checked" => $checked));
 408                 }
 409
 410                 print $this->wrap(self::STATUS_OK, $rv);
 411         }
 412
 413         function setArticleLabel() {
 414
 415                 $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 416                 $label_id = (int) db_escape_string($this->link, $_REQUEST['label_id']);
 417                 $assign = (bool) db_escape_string($this->link, $_REQUEST['assign']) == "true";
 418
 419                 $label = db_escape_string($this->link, label_find_caption($this->link,
 420                         $label_id, $_SESSION["uid"]));
 421
 422                 $num_updated = 0;
 423
 424                 if ($label) {
 425
 426                         foreach ($article_ids as $id) {
 427
 428                                 if ($assign)
 429                                         label_add_article($this->link, $id, $label, $_SESSION["uid"]);
 430                                 else
 431                                         label_remove_article($this->link, $id, $label, $_SESSION["uid"]);
 432
 433                                 ++$num_updated;
 434
 435                         }
 436                 }
 437
 438                 print $this->wrap(self::STATUS_OK, array("status" => "OK",
 439                         "updated" => $num_updated));
 440
 441         }
 442
 443         function index() {
 444                 print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD'));
 445         }
 446
 447         function shareToPublished() {
 448                 $title = db_escape_string($this->link, strip_tags($_REQUEST["title"]));
 449                 $url = db_escape_string($this->link, strip_tags($_REQUEST["url"]));
 450                 $content = db_escape_string($this->link, strip_tags($_REQUEST["content"]));
 451
 452                 if (Article::create_published_article($this->link, $title, $url, $content, "", $_SESSION["uid"])) {
 453                         print $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 454                 } else {
 455                         print $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 456                 }
 457         }
 458
 459         static function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 460
 461                         $feeds = array();
 462
 463                         /* Labels */
 464
 465                         if ($cat_id == -4 || $cat_id == -2) {
 466                                 $counters = getLabelCounters($link, true);
 467
 468                                 foreach (array_values($counters) as $cv) {
 469
 470                                         $unread = $cv["counter"];
 471
 472                                         if ($unread || !$unread_only) {
 473
 474                                                 $row = array(
 475                                                                 "id" => $cv["id"],
 476                                                                 "title" => $cv["description"],
 477                                                                 "unread" => $cv["counter"],
 478                                                                 "cat_id" => -2,
 479                                                         );
 480
 481                                                 array_push($feeds, $row);
 482                                         }
 483                                 }
 484                         }
 485
 486                         /* Virtual feeds */
 487
 488                         if ($cat_id == -4 || $cat_id == -1) {
 489                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 490                                         $unread = getFeedUnread($link, $i);
 491
 492                                         if ($unread || !$unread_only) {
 493                                                 $title = getFeedTitle($link, $i);
 494
 495                                                 $row = array(
 496                                                                 "id" => $i,
 497                                                                 "title" => $title,
 498                                                                 "unread" => $unread,
 499                                                                 "cat_id" => -1,
 500                                                         );
 501                                                 array_push($feeds, $row);
 502                                         }
 503
 504                                 }
 505                         }
 506
 507                         /* Child cats */
 508
 509                         if ($include_nested && $cat_id) {
 510                                 $result = db_query($link, "SELECT
 511                                         id, title FROM ttrss_feed_categories
 512                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 513                                 " ORDER BY id, title");
 514
 515                                 while ($line = db_fetch_assoc($result)) {
 516                                         $unread = getFeedUnread($link, $line["id"], true) +
 517                                                 getCategoryChildrenUnread($link, $line["id"]);
 518
 519                                         if ($unread || !$unread_only) {
 520                                                 $row = array(
 521                                                                 "id" => $line["id"],
 522                                                                 "title" => $line["title"],
 523                                                                 "unread" => $unread,
 524                                                                 "is_cat" => true,
 525                                                         );
 526                                                 array_push($feeds, $row);
 527                                         }
 528                                 }
 529                         }
 530
 531                         /* Real feeds */
 532
 533                         if ($limit) {
 534                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 535                         } else {
 536                                 $limit_qpart = "";
 537                         }
 538
 539                         if ($cat_id == -4 || $cat_id == -3) {
 540                                 $result = db_query($link, "SELECT
 541                                         id, feed_url, cat_id, title, order_id, ".
 542                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 543                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 544                                                 " ORDER BY cat_id, title " . $limit_qpart);
 545                         } else {
 546
 547                                 if ($cat_id)
 548                                         $cat_qpart = "cat_id = '$cat_id'";
 549                                 else
 550                                         $cat_qpart = "cat_id IS NULL";
 551
 552                                 $result = db_query($link, "SELECT
 553                                         id, feed_url, cat_id, title, order_id, ".
 554                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 555                                                 FROM ttrss_feeds WHERE
 556                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 557                                                 " ORDER BY cat_id, title " . $limit_qpart);
 558                         }
 559
 560                         while ($line = db_fetch_assoc($result)) {
 561
 562                                 $unread = getFeedUnread($link, $line["id"]);
 563
 564                                 $has_icon = feed_has_icon($line['id']);
 565
 566                                 if ($unread || !$unread_only) {
 567
 568                                         $row = array(
 569                                                         "feed_url" => $line["feed_url"],
 570                                                         "title" => $line["title"],
 571                                                         "id" => (int)$line["id"],
 572                                                         "unread" => (int)$unread,
 573                                                         "has_icon" => $has_icon,
 574                                                         "cat_id" => (int)$line["cat_id"],
 575                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 576                                                         "order_id" => (int) $line["order_id"],
 577                                                 );
 578
 579                                         array_push($feeds, $row);
 580                                 }
 581                         }
 582
 583                 return $feeds;
 584         }
 585
 586         static function api_get_headlines($link, $feed_id, $limit, $offset,
 587                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 588                                 $include_attachments, $since_id,
 589                                 $search = "", $search_mode = "",
 590                                 $include_nested = false, $sanitize_content = true) {
 591
 592                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 593                                 $view_mode, $is_cat, $search, $search_mode,
 594                                 $order, $offset, 0, false, $since_id, $include_nested);
 595
 596                         $result = $qfh_ret[0];
 597                         $feed_title = $qfh_ret[1];
 598
 599                         $headlines = array();
 600
 601                         while ($line = db_fetch_assoc($result)) {
 602                                 $is_updated = ($line["last_read"] == "" &&
 603                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 604
 605                                 $tags = explode(",", $line["tag_cache"]);
 606                                 $labels = json_decode($line["label_cache"], true);
 607
 608                                 //if (!$tags) $tags = get_article_tags($link, $line["id"]);
 609                                 //if (!$labels) $labels = get_article_labels($link, $line["id"]);
 610
 611                                 $headline_row = array(
 612                                                 "id" => (int)$line["id"],
 613                                                 "unread" => sql_bool_to_bool($line["unread"]),
 614                                                 "marked" => sql_bool_to_bool($line["marked"]),
 615                                                 "published" => sql_bool_to_bool($line["published"]),
 616                                                 "updated" => (int) strtotime($line["updated"]),
 617                                                 "is_updated" => $is_updated,
 618                                                 "title" => $line["title"],
 619                                                 "link" => $line["link"],
 620                                                 "feed_id" => $line["feed_id"],
 621                                                 "tags" => $tags,
 622                                         );
 623
 624                                         if ($include_attachments)
 625                                                 $headline_row['attachments'] = get_article_enclosures($link,
 626                                                         $line['id']);
 627
 628                                 if ($show_excerpt) {
 629                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
 630                                         $headline_row["excerpt"] = $excerpt;
 631                                 }
 632
 633                                 if ($show_content) {
 634
 635                                         if ($line["cached_content"] != "") {
 636                                                 $line["content_preview"] =& $line["cached_content"];
 637                                         }
 638
 639                                         if ($sanitize_content) {
 640                                                 $headline_row["content"] = sanitize($link,
 641                                                         $line["content_preview"],
 642                                                         sql_bool_to_bool($line['hide_images']),
 643                                                         false, $line["site_url"]);
 644                                         } else {
 645                                                 $headline_row["content"] = $line["content_preview"];
 646                                         }
 647                                 }
 648
 649                                 // unify label output to ease parsing
 650                                 if ($labels["no-labels"] == 1) $labels = array();
 651
 652                                 $headline_row["labels"] = $labels;
 653
 654                                 $headline_row["feed_title"] = $line["feed_title"];
 655
 656                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 657                                 $headline_row["comments_link"] = $line["comments"];
 658
 659                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 660
 661                                 global $pluginhost;
 662                                 foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE_API) as $p) {
 663                                         $headline_row = $p->hook_render_article_api($headline_row);
 664                                 }
 665
 666                                 array_push($headlines, $headline_row);
 667                         }
 668
 669                         return $headlines;
 670         }
 671
 672         function unsubscribeFeed() {
 673                 $feed_id = (int) db_escape_string($this->link, $_REQUEST["feed_id"]);
 674
 675                 $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 676                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 677
 678                 if (db_num_rows($result) != 0) {
 679                         Pref_Feeds::remove_feed($this->link, $feed_id, $_SESSION["uid"]);
 680                         print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 681                 } else {
 682                         print $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 683                 }
 684         }
 685
 686         function subscribeToFeed() {
 687                 $feed_url = db_escape_string($this->link, $_REQUEST["feed_url"]);
 688                 $category_id = (int) db_escape_string($this->link, $_REQUEST["category_id"]);
 689                 $login = db_escape_string($this->link, $_REQUEST["login"]);
 690                 $password = db_escape_string($this->link, $_REQUEST["password"]);
 691
 692                 if ($feed_url) {
 693                         $rc = subscribe_to_feed($this->link, $feed_url, $category_id,
 694                                 $login, $password, false);
 695
 696                         print $this->wrap(self::STATUS_OK, array("status" => $rc));
 697                 } else {
 698                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 699                 }
 700         }
 701
 702 }
 703
 704 ?>