classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 6;
   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('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                 @session_destroy();
  51                 @session_start();
  52
  53                 $login = $this->dbh->escape_string($_REQUEST["user"]);
  54                 $password = $_REQUEST["password"];
  55                 $password_base64 = base64_decode($_REQUEST["password"]);
  56
  57                 if (SINGLE_USER_MODE) $login = "admin";
  58
  59                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
  60
  61                 if ($this->dbh->num_rows($result) != 0) {
  62                         $uid = $this->dbh->fetch_result($result, 0, "id");
  63                 } else {
  64                         $uid = 0;
  65                 }
  66
  67                 if (!$uid) {
  68                         print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  69                         return;
  70                 }
  71
  72                 if (get_pref("ENABLE_API_ACCESS", $uid)) {
  73                         if (authenticate_user($login, $password)) {               // try login with normal password
  74                                 print $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  75                                         "api_level" => self::API_LEVEL));
  76                         } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
  77                                 print $this->wrap(self::STATUS_OK,      array("session_id" => session_id(),
  78                                         "api_level" => self::API_LEVEL));
  79                         } else {                                                         // else we are not logged in
  80                                 print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  81                         }
  82                 } else {
  83                         print $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  84                 }
  85
  86         }
  87
  88         function logout() {
  89                 logout_user();
  90                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
  91         }
  92
  93         function isLoggedIn() {
  94                 print $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                         print $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
 103                 } else {
 104                         print $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
 105                 }
 106         }
 107
 108         /* Method added for ttrss-reader for Android */
 109         function getCounters() {
 110                 print $this->wrap(self::STATUS_OK, 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                 print $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                                         $unread += getCategoryChildrenUnread($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" => $cat_id,
 173                                                 "title" => getCategoryTitle($cat_id),
 174                                                 "unread" => $unread));
 175                                 }
 176                         }
 177                 }
 178
 179                 print $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                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 187
 188                         if (!$limit || $limit >= 60) $limit = 60;
 189
 190                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
 191                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
 192                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 193                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 194                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 195                         /* all_articles, unread, adaptive, marked, updated */
 196                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
 197                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 198                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
 199                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 200                         $sanitize_content = true;
 201
 202                         $override_order = false;
 203                         switch ($_REQUEST["order_by"]) {
 204                                 case "date_reverse":
 205                                         $override_order = "date_entered, updated";
 206                                         break;
 207                                 case "feed_dates":
 208                                         $override_order = "updated DESC";
 209                                         break;
 210                         }
 211
 212                         /* do not rely on params below */
 213
 214                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 215                         $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 216
 217                         $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
 218                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 219                                 $include_attachments, $since_id, $search, $search_mode,
 220                                 $include_nested, $sanitize_content);
 221
 222                         print $this->wrap(self::STATUS_OK, $headlines);
 223                 } else {
 224                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 225                 }
 226         }
 227
 228         function updateArticle() {
 229                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 230                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 231                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 232                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 233
 234                 $field = "";
 235                 $set_to = "";
 236
 237                 switch ($field_raw) {
 238                         case 0:
 239                                 $field = "marked";
 240                                 $additional_fields = ",last_marked = NOW()";
 241                                 break;
 242                         case 1:
 243                                 $field = "published";
 244                                 $additional_fields = ",last_published = NOW()";
 245                                 break;
 246                         case 2:
 247                                 $field = "unread";
 248                                 $additional_fields = ",last_read = NOW()";
 249                                 break;
 250                         case 3:
 251                                 $field = "note";
 252                 };
 253
 254                 switch ($mode) {
 255                         case 1:
 256                                 $set_to = "true";
 257                                 break;
 258                         case 0:
 259                                 $set_to = "false";
 260                                 break;
 261                         case 2:
 262                                 $set_to = "NOT $field";
 263                                 break;
 264                 }
 265
 266                 if ($field == "note") $set_to = "'$data'";
 267
 268                 if ($field && $set_to && count($article_ids) > 0) {
 269
 270                         $article_ids = join(", ", $article_ids);
 271
 272                         $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"]);
 273
 274                         $num_updated = $this->dbh->affected_rows($result);
 275
 276                         if ($num_updated > 0 && $field == "unread") {
 277                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 278                                         WHERE ref_id IN ($article_ids)");
 279
 280                                 while ($line = $this->dbh->fetch_assoc($result)) {
 281                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 282                                 }
 283                         }
 284
 285                         if ($num_updated > 0 && $field == "published") {
 286                                 if (PUBSUBHUBBUB_HUB) {
 287                                         $rss_link = get_self_url_prefix() .
 288                                                 "/public.php?op=rss&id=-2&key=" .
 289                                                 get_feed_access_key(-2, false);
 290
 291                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 292                                         $pubsub_result = $p->publish_update($rss_link);
 293                                 }
 294                         }
 295
 296                         print $this->wrap(self::STATUS_OK, array("status" => "OK",
 297                                 "updated" => $num_updated));
 298
 299                 } else {
 300                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 301                 }
 302
 303         }
 304
 305         function getArticle() {
 306
 307                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 308
 309                 $query = "SELECT id,title,link,content,cached_content,feed_id,comments,int_id,
 310                         marked,unread,published,score,
 311                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 312                         author
 313                         FROM ttrss_entries,ttrss_user_entries
 314                         WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 315                                 $_SESSION["uid"] ;
 316
 317                 $result = $this->dbh->query($query);
 318
 319                 $articles = array();
 320
 321                 if ($this->dbh->num_rows($result) != 0) {
 322
 323                         while ($line = $this->dbh->fetch_assoc($result)) {
 324
 325                                 $attachments = get_article_enclosures($line['id']);
 326
 327                                 $article = array(
 328                                         "id" => $line["id"],
 329                                         "title" => $line["title"],
 330                                         "link" => $line["link"],
 331                                         "labels" => get_article_labels($line['id']),
 332                                         "unread" => sql_bool_to_bool($line["unread"]),
 333                                         "marked" => sql_bool_to_bool($line["marked"]),
 334                                         "published" => sql_bool_to_bool($line["published"]),
 335                                         "comments" => $line["comments"],
 336                                         "author" => $line["author"],
 337                                         "updated" => (int) strtotime($line["updated"]),
 338                                         "content" => $line["cached_content"] != "" ? $line["cached_content"] : $line["content"],
 339                                         "feed_id" => $line["feed_id"],
 340                                         "attachments" => $attachments,
 341                                         "score" => (int)$line["score"]
 342                                 );
 343
 344                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 345                                         $article = $p->hook_render_article_api(array("article" => $article));
 346                                 }
 347
 348
 349                                 array_push($articles, $article);
 350
 351                         }
 352                 }
 353
 354                 print $this->wrap(self::STATUS_OK, $articles);
 355
 356         }
 357
 358         function getConfig() {
 359                 $config = array(
 360                         "icons_dir" => ICONS_DIR,
 361                         "icons_url" => ICONS_URL);
 362
 363                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 364
 365                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 366                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 367
 368                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 369
 370                 $config["num_feeds"] = (int)$num_feeds;
 371
 372                 print $this->wrap(self::STATUS_OK, $config);
 373         }
 374
 375         function updateFeed() {
 376                 require_once "include/rssfuncs.php";
 377
 378                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 379
 380                 update_rss_feed($feed_id, true);
 381
 382                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 383         }
 384
 385         function catchupFeed() {
 386                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 387                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 388
 389                 catchup_feed($feed_id, $is_cat);
 390
 391                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 392         }
 393
 394         function getPref() {
 395                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 396
 397                 print $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 398         }
 399
 400         function getLabels() {
 401                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 402
 403                 $article_id = (int)$_REQUEST['article_id'];
 404
 405                 $rv = array();
 406
 407                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 408                         FROM ttrss_labels2
 409                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 410
 411                 if ($article_id)
 412                         $article_labels = get_article_labels($article_id);
 413                 else
 414                         $article_labels = array();
 415
 416                 while ($line = $this->dbh->fetch_assoc($result)) {
 417
 418                         $checked = false;
 419                         foreach ($article_labels as $al) {
 420                                 if ($al[0] == $line['id']) {
 421                                         $checked = true;
 422                                         break;
 423                                 }
 424                         }
 425
 426                         array_push($rv, array(
 427                                 "id" => (int)$line['id'],
 428                                 "caption" => $line['caption'],
 429                                 "fg_color" => $line['fg_color'],
 430                                 "bg_color" => $line['bg_color'],
 431                                 "checked" => $checked));
 432                 }
 433
 434                 print $this->wrap(self::STATUS_OK, $rv);
 435         }
 436
 437         function setArticleLabel() {
 438
 439                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 440                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 441                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 442
 443                 $label = $this->dbh->escape_string(label_find_caption(
 444                         $label_id, $_SESSION["uid"]));
 445
 446                 $num_updated = 0;
 447
 448                 if ($label) {
 449
 450                         foreach ($article_ids as $id) {
 451
 452                                 if ($assign)
 453                                         label_add_article($id, $label, $_SESSION["uid"]);
 454                                 else
 455                                         label_remove_article($id, $label, $_SESSION["uid"]);
 456
 457                                 ++$num_updated;
 458
 459                         }
 460                 }
 461
 462                 print $this->wrap(self::STATUS_OK, array("status" => "OK",
 463                         "updated" => $num_updated));
 464
 465         }
 466
 467         function index($method) {
 468                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 469
 470                 if ($plugin && method_exists($plugin, $method)) {
 471                         $reply = $plugin->$method();
 472
 473                         print $this->wrap($reply[0], $reply[1]);
 474
 475                 } else {
 476                         print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 477                 }
 478         }
 479
 480         function shareToPublished() {
 481                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 482                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 483                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 484
 485                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 486                         print $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 487                 } else {
 488                         print $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 489                 }
 490         }
 491
 492         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 493
 494                         $feeds = array();
 495
 496                         /* Labels */
 497
 498                         if ($cat_id == -4 || $cat_id == -2) {
 499                                 $counters = getLabelCounters(true);
 500
 501                                 foreach (array_values($counters) as $cv) {
 502
 503                                         $unread = $cv["counter"];
 504
 505                                         if ($unread || !$unread_only) {
 506
 507                                                 $row = array(
 508                                                                 "id" => $cv["id"],
 509                                                                 "title" => $cv["description"],
 510                                                                 "unread" => $cv["counter"],
 511                                                                 "cat_id" => -2,
 512                                                         );
 513
 514                                                 array_push($feeds, $row);
 515                                         }
 516                                 }
 517                         }
 518
 519                         /* Virtual feeds */
 520
 521                         if ($cat_id == -4 || $cat_id == -1) {
 522                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 523                                         $unread = getFeedUnread($i);
 524
 525                                         if ($unread || !$unread_only) {
 526                                                 $title = getFeedTitle($i);
 527
 528                                                 $row = array(
 529                                                                 "id" => $i,
 530                                                                 "title" => $title,
 531                                                                 "unread" => $unread,
 532                                                                 "cat_id" => -1,
 533                                                         );
 534                                                 array_push($feeds, $row);
 535                                         }
 536
 537                                 }
 538                         }
 539
 540                         /* Child cats */
 541
 542                         if ($include_nested && $cat_id) {
 543                                 $result = db_query("SELECT
 544                                         id, title FROM ttrss_feed_categories
 545                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 546                                 " ORDER BY id, title");
 547
 548                                 while ($line = db_fetch_assoc($result)) {
 549                                         $unread = getFeedUnread($line["id"], true) +
 550                                                 getCategoryChildrenUnread($line["id"]);
 551
 552                                         if ($unread || !$unread_only) {
 553                                                 $row = array(
 554                                                                 "id" => $line["id"],
 555                                                                 "title" => $line["title"],
 556                                                                 "unread" => $unread,
 557                                                                 "is_cat" => true,
 558                                                         );
 559                                                 array_push($feeds, $row);
 560                                         }
 561                                 }
 562                         }
 563
 564                         /* Real feeds */
 565
 566                         if ($limit) {
 567                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 568                         } else {
 569                                 $limit_qpart = "";
 570                         }
 571
 572                         if ($cat_id == -4 || $cat_id == -3) {
 573                                 $result = db_query("SELECT
 574                                         id, feed_url, cat_id, title, order_id, ".
 575                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 576                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 577                                                 " ORDER BY cat_id, title " . $limit_qpart);
 578                         } else {
 579
 580                                 if ($cat_id)
 581                                         $cat_qpart = "cat_id = '$cat_id'";
 582                                 else
 583                                         $cat_qpart = "cat_id IS NULL";
 584
 585                                 $result = db_query("SELECT
 586                                         id, feed_url, cat_id, title, order_id, ".
 587                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 588                                                 FROM ttrss_feeds WHERE
 589                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 590                                                 " ORDER BY cat_id, title " . $limit_qpart);
 591                         }
 592
 593                         while ($line = db_fetch_assoc($result)) {
 594
 595                                 $unread = getFeedUnread($line["id"]);
 596
 597                                 $has_icon = feed_has_icon($line['id']);
 598
 599                                 if ($unread || !$unread_only) {
 600
 601                                         $row = array(
 602                                                         "feed_url" => $line["feed_url"],
 603                                                         "title" => $line["title"],
 604                                                         "id" => (int)$line["id"],
 605                                                         "unread" => (int)$unread,
 606                                                         "has_icon" => $has_icon,
 607                                                         "cat_id" => (int)$line["cat_id"],
 608                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 609                                                         "order_id" => (int) $line["order_id"],
 610                                                 );
 611
 612                                         array_push($feeds, $row);
 613                                 }
 614                         }
 615
 616                 return $feeds;
 617         }
 618
 619         static function api_get_headlines($feed_id, $limit, $offset,
 620                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 621                                 $include_attachments, $since_id,
 622                                 $search = "", $search_mode = "",
 623                                 $include_nested = false, $sanitize_content = true) {
 624
 625                         $qfh_ret = queryFeedHeadlines($feed_id, $limit,
 626                                 $view_mode, $is_cat, $search, $search_mode,
 627                                 $order, $offset, 0, false, $since_id, $include_nested);
 628
 629                         $result = $qfh_ret[0];
 630                         $feed_title = $qfh_ret[1];
 631
 632                         $headlines = array();
 633
 634                         while ($line = db_fetch_assoc($result)) {
 635                                 $is_updated = ($line["last_read"] == "" &&
 636                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 637
 638                                 $tags = explode(",", $line["tag_cache"]);
 639                                 $labels = json_decode($line["label_cache"], true);
 640
 641                                 //if (!$tags) $tags = get_article_tags($line["id"]);
 642                                 //if (!$labels) $labels = get_article_labels($line["id"]);
 643
 644                                 $headline_row = array(
 645                                                 "id" => (int)$line["id"],
 646                                                 "unread" => sql_bool_to_bool($line["unread"]),
 647                                                 "marked" => sql_bool_to_bool($line["marked"]),
 648                                                 "published" => sql_bool_to_bool($line["published"]),
 649                                                 "updated" => (int) strtotime($line["updated"]),
 650                                                 "is_updated" => $is_updated,
 651                                                 "title" => $line["title"],
 652                                                 "link" => $line["link"],
 653                                                 "feed_id" => $line["feed_id"],
 654                                                 "tags" => $tags,
 655                                         );
 656
 657                                         if ($include_attachments)
 658                                                 $headline_row['attachments'] = get_article_enclosures(
 659                                                         $line['id']);
 660
 661                                 if ($show_excerpt) {
 662                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
 663                                         $headline_row["excerpt"] = $excerpt;
 664                                 }
 665
 666                                 if ($show_content) {
 667
 668                                         if ($line["cached_content"] != "") {
 669                                                 $line["content_preview"] =& $line["cached_content"];
 670                                         }
 671
 672                                         if ($sanitize_content) {
 673                                                 $headline_row["content"] = sanitize(
 674                                                         $line["content_preview"],
 675                                                         sql_bool_to_bool($line['hide_images']),
 676                                                         false, $line["site_url"]);
 677                                         } else {
 678                                                 $headline_row["content"] = $line["content_preview"];
 679                                         }
 680                                 }
 681
 682                                 // unify label output to ease parsing
 683                                 if ($labels["no-labels"] == 1) $labels = array();
 684
 685                                 $headline_row["labels"] = $labels;
 686
 687                                 $headline_row["feed_title"] = $line["feed_title"];
 688
 689                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 690                                 $headline_row["comments_link"] = $line["comments"];
 691
 692                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 693
 694                                 $headline_row["author"] = $line["author"];
 695                                 $headline_row["score"] = (int)$line["score"];
 696
 697                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 698                                         $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 699                                 }
 700
 701                                 array_push($headlines, $headline_row);
 702                         }
 703
 704                         return $headlines;
 705         }
 706
 707         function unsubscribeFeed() {
 708                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 709
 710                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 711                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 712
 713                 if ($this->dbh->num_rows($result) != 0) {
 714                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 715                         print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 716                 } else {
 717                         print $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 718                 }
 719         }
 720
 721         function subscribeToFeed() {
 722                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 723                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 724                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 725                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 726
 727                 if ($feed_url) {
 728                         $rc = subscribe_to_feed($feed_url, $category_id,
 729                                 $login, $password, false);
 730
 731                         print $this->wrap(self::STATUS_OK, array("status" => $rc));
 732                 } else {
 733                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 734                 }
 735         }
 736
 737         function getFeedTree() {
 738                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 739
 740                 $pf = new Pref_Feeds($_REQUEST);
 741
 742                 $_REQUEST['mode'] = 2;
 743                 $_REQUEST['force_show_empty'] = $include_empty;
 744
 745                 if ($pf){
 746                         $data = $pf->makefeedtree();
 747                         print $this->wrap(self::STATUS_OK, array("categories" => $data));
 748                 } else {
 749                         print $this->wrap(self::STATUS_ERR, array("error" =>
 750                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 751                 }
 752
 753         }
 754
 755         // only works for labels or uncategorized for the time being
 756         private function isCategoryEmpty($id) {
 757
 758                 if ($id == -2) {
 759                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 760                                 WHERE owner_uid = " . $_SESSION["uid"]);
 761
 762                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 763
 764                 } else if ($id == 0) {
 765                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 766                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 767
 768                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 769
 770                 }
 771
 772                 return false;
 773         }
 774
 775
 776 }
 777
 778 ?>