classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 8;
   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                                 $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  18                                 return false;
  19                         }
  20
  21                         if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
  22                                 $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                 $this->wrap(self::STATUS_OK, $rv);
  42         }
  43
  44         function getApiLevel() {
  45                 $rv = array("level" => self::API_LEVEL);
  46                 $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                         $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                                 $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  75                                         "api_level" => self::API_LEVEL));
  76                         } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
  77                                 $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                                 $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" => getGlobalUnread()));
 105                 }
 106         }
 107
 108         /* Method added for ttrss-reader for Android */
 109         function getCounters() {
 110                 $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                 $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                 $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 >= 200) $limit = 200;
 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                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 201                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 202
 203                         $override_order = false;
 204                         switch ($_REQUEST["order_by"]) {
 205                                 case "title":
 206                                         $override_order = "ttrss_entries.title";
 207                                         break;
 208                                 case "date_reverse":
 209                                         $override_order = "score DESC, date_entered, updated";
 210                                         break;
 211                                 case "feed_dates":
 212                                         $override_order = "updated DESC";
 213                                         break;
 214                         }
 215
 216                         /* do not rely on params below */
 217
 218                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 219                         $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 220
 221                         $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
 222                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 223                                 $include_attachments, $since_id, $search, $search_mode,
 224                                 $include_nested, $sanitize_content);
 225
 226                         $this->wrap(self::STATUS_OK, $headlines);
 227                 } else {
 228                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 229                 }
 230         }
 231
 232         function updateArticle() {
 233                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 234                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 235                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 236                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 237
 238                 $field = "";
 239                 $set_to = "";
 240
 241                 switch ($field_raw) {
 242                         case 0:
 243                                 $field = "marked";
 244                                 $additional_fields = ",last_marked = NOW()";
 245                                 break;
 246                         case 1:
 247                                 $field = "published";
 248                                 $additional_fields = ",last_published = NOW()";
 249                                 break;
 250                         case 2:
 251                                 $field = "unread";
 252                                 $additional_fields = ",last_read = NOW()";
 253                                 break;
 254                         case 3:
 255                                 $field = "note";
 256                 };
 257
 258                 switch ($mode) {
 259                         case 1:
 260                                 $set_to = "true";
 261                                 break;
 262                         case 0:
 263                                 $set_to = "false";
 264                                 break;
 265                         case 2:
 266                                 $set_to = "NOT $field";
 267                                 break;
 268                 }
 269
 270                 if ($field == "note") $set_to = "'$data'";
 271
 272                 if ($field && $set_to && count($article_ids) > 0) {
 273
 274                         $article_ids = join(", ", $article_ids);
 275
 276                         $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"]);
 277
 278                         $num_updated = $this->dbh->affected_rows($result);
 279
 280                         if ($num_updated > 0 && $field == "unread") {
 281                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 282                                         WHERE ref_id IN ($article_ids)");
 283
 284                                 while ($line = $this->dbh->fetch_assoc($result)) {
 285                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 286                                 }
 287                         }
 288
 289                         if ($num_updated > 0 && $field == "published") {
 290                                 if (PUBSUBHUBBUB_HUB) {
 291                                         $rss_link = get_self_url_prefix() .
 292                                                 "/public.php?op=rss&id=-2&key=" .
 293                                                 get_feed_access_key(-2, false);
 294
 295                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 296                                         $pubsub_result = $p->publish_update($rss_link);
 297                                 }
 298                         }
 299
 300                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 301                                 "updated" => $num_updated));
 302
 303                 } else {
 304                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 305                 }
 306
 307         }
 308
 309         function getArticle() {
 310
 311                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 312
 313                 if ($article_id) {
 314
 315                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 316                                 marked,unread,published,score,note,
 317                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 318                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
 319                                 FROM ttrss_entries,ttrss_user_entries
 320                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 321                                         $_SESSION["uid"] ;
 322
 323                         $result = $this->dbh->query($query);
 324
 325                         $articles = array();
 326
 327                         if ($this->dbh->num_rows($result) != 0) {
 328
 329                                 while ($line = $this->dbh->fetch_assoc($result)) {
 330
 331                                         $attachments = get_article_enclosures($line['id']);
 332
 333                                         $article = array(
 334                                                 "id" => $line["id"],
 335                                                 "title" => $line["title"],
 336                                                 "link" => $line["link"],
 337                                                 "labels" => get_article_labels($line['id']),
 338                                                 "unread" => sql_bool_to_bool($line["unread"]),
 339                                                 "marked" => sql_bool_to_bool($line["marked"]),
 340                                                 "published" => sql_bool_to_bool($line["published"]),
 341                                                 "comments" => $line["comments"],
 342                                                 "author" => $line["author"],
 343                                                 "updated" => (int) strtotime($line["updated"]),
 344                                                 "content" => $line["content"],
 345                                                 "feed_id" => $line["feed_id"],
 346                                                 "attachments" => $attachments,
 347                                                 "score" => (int)$line["score"],
 348                                                 "feed_title" => $line["feed_title"],
 349                                                 "note" => $line["note"]
 350                                         );
 351
 352                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 353                                                 $article = $p->hook_render_article_api(array("article" => $article));
 354                                         }
 355
 356
 357                                         array_push($articles, $article);
 358
 359                                 }
 360                         }
 361
 362                         $this->wrap(self::STATUS_OK, $articles);
 363                 } else {
 364                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 365                 }
 366         }
 367
 368         function getConfig() {
 369                 $config = array(
 370                         "icons_dir" => ICONS_DIR,
 371                         "icons_url" => ICONS_URL);
 372
 373                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 374
 375                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 376                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 377
 378                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 379
 380                 $config["num_feeds"] = (int)$num_feeds;
 381
 382                 $this->wrap(self::STATUS_OK, $config);
 383         }
 384
 385         function updateFeed() {
 386                 require_once "include/rssfuncs.php";
 387
 388                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 389
 390                 update_rss_feed($feed_id, true);
 391
 392                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 393         }
 394
 395         function catchupFeed() {
 396                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 397                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 398
 399                 catchup_feed($feed_id, $is_cat);
 400
 401                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 402         }
 403
 404         function getPref() {
 405                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 406
 407                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 408         }
 409
 410         function getLabels() {
 411                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 412
 413                 $article_id = (int)$_REQUEST['article_id'];
 414
 415                 $rv = array();
 416
 417                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 418                         FROM ttrss_labels2
 419                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 420
 421                 if ($article_id)
 422                         $article_labels = get_article_labels($article_id);
 423                 else
 424                         $article_labels = array();
 425
 426                 while ($line = $this->dbh->fetch_assoc($result)) {
 427
 428                         $checked = false;
 429                         foreach ($article_labels as $al) {
 430                                 if (feed_to_label_id($al[0]) == $line['id']) {
 431                                         $checked = true;
 432                                         break;
 433                                 }
 434                         }
 435
 436                         array_push($rv, array(
 437                                 "id" => (int)label_to_feed_id($line['id']),
 438                                 "caption" => $line['caption'],
 439                                 "fg_color" => $line['fg_color'],
 440                                 "bg_color" => $line['bg_color'],
 441                                 "checked" => $checked));
 442                 }
 443
 444                 $this->wrap(self::STATUS_OK, $rv);
 445         }
 446
 447         function setArticleLabel() {
 448
 449                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 450                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 451                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 452
 453                 $label = $this->dbh->escape_string(label_find_caption(
 454                         feed_to_label_id($label_id), $_SESSION["uid"]));
 455
 456                 $num_updated = 0;
 457
 458                 if ($label) {
 459
 460                         foreach ($article_ids as $id) {
 461
 462                                 if ($assign)
 463                                         label_add_article($id, $label, $_SESSION["uid"]);
 464                                 else
 465                                         label_remove_article($id, $label, $_SESSION["uid"]);
 466
 467                                 ++$num_updated;
 468
 469                         }
 470                 }
 471
 472                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 473                         "updated" => $num_updated));
 474
 475         }
 476
 477         function index($method) {
 478                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 479
 480                 if ($plugin && method_exists($plugin, $method)) {
 481                         $reply = $plugin->$method();
 482
 483                         $this->wrap($reply[0], $reply[1]);
 484
 485                 } else {
 486                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 487                 }
 488         }
 489
 490         function shareToPublished() {
 491                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 492                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 493                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 494
 495                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 496                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 497                 } else {
 498                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 499                 }
 500         }
 501
 502         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 503
 504                         $feeds = array();
 505
 506                         /* Labels */
 507
 508                         if ($cat_id == -4 || $cat_id == -2) {
 509                                 $counters = getLabelCounters(true);
 510
 511                                 foreach (array_values($counters) as $cv) {
 512
 513                                         $unread = $cv["counter"];
 514
 515                                         if ($unread || !$unread_only) {
 516
 517                                                 $row = array(
 518                                                                 "id" => $cv["id"],
 519                                                                 "title" => $cv["description"],
 520                                                                 "unread" => $cv["counter"],
 521                                                                 "cat_id" => -2,
 522                                                         );
 523
 524                                                 array_push($feeds, $row);
 525                                         }
 526                                 }
 527                         }
 528
 529                         /* Virtual feeds */
 530
 531                         if ($cat_id == -4 || $cat_id == -1) {
 532                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 533                                         $unread = getFeedUnread($i);
 534
 535                                         if ($unread || !$unread_only) {
 536                                                 $title = getFeedTitle($i);
 537
 538                                                 $row = array(
 539                                                                 "id" => $i,
 540                                                                 "title" => $title,
 541                                                                 "unread" => $unread,
 542                                                                 "cat_id" => -1,
 543                                                         );
 544                                                 array_push($feeds, $row);
 545                                         }
 546
 547                                 }
 548                         }
 549
 550                         /* Child cats */
 551
 552                         if ($include_nested && $cat_id) {
 553                                 $result = db_query("SELECT
 554                                         id, title FROM ttrss_feed_categories
 555                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 556                                 " ORDER BY id, title");
 557
 558                                 while ($line = db_fetch_assoc($result)) {
 559                                         $unread = getFeedUnread($line["id"], true) +
 560                                                 getCategoryChildrenUnread($line["id"]);
 561
 562                                         if ($unread || !$unread_only) {
 563                                                 $row = array(
 564                                                                 "id" => $line["id"],
 565                                                                 "title" => $line["title"],
 566                                                                 "unread" => $unread,
 567                                                                 "is_cat" => true,
 568                                                         );
 569                                                 array_push($feeds, $row);
 570                                         }
 571                                 }
 572                         }
 573
 574                         /* Real feeds */
 575
 576                         if ($limit) {
 577                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 578                         } else {
 579                                 $limit_qpart = "";
 580                         }
 581
 582                         if ($cat_id == -4 || $cat_id == -3) {
 583                                 $result = db_query("SELECT
 584                                         id, feed_url, cat_id, title, order_id, ".
 585                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 586                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 587                                                 " ORDER BY cat_id, title " . $limit_qpart);
 588                         } else {
 589
 590                                 if ($cat_id)
 591                                         $cat_qpart = "cat_id = '$cat_id'";
 592                                 else
 593                                         $cat_qpart = "cat_id IS NULL";
 594
 595                                 $result = db_query("SELECT
 596                                         id, feed_url, cat_id, title, order_id, ".
 597                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 598                                                 FROM ttrss_feeds WHERE
 599                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 600                                                 " ORDER BY cat_id, title " . $limit_qpart);
 601                         }
 602
 603                         while ($line = db_fetch_assoc($result)) {
 604
 605                                 $unread = getFeedUnread($line["id"]);
 606
 607                                 $has_icon = feed_has_icon($line['id']);
 608
 609                                 if ($unread || !$unread_only) {
 610
 611                                         $row = array(
 612                                                         "feed_url" => $line["feed_url"],
 613                                                         "title" => $line["title"],
 614                                                         "id" => (int)$line["id"],
 615                                                         "unread" => (int)$unread,
 616                                                         "has_icon" => $has_icon,
 617                                                         "cat_id" => (int)$line["cat_id"],
 618                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 619                                                         "order_id" => (int) $line["order_id"],
 620                                                 );
 621
 622                                         array_push($feeds, $row);
 623                                 }
 624                         }
 625
 626                 return $feeds;
 627         }
 628
 629         static function api_get_headlines($feed_id, $limit, $offset,
 630                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 631                                 $include_attachments, $since_id,
 632                                 $search = "", $search_mode = "",
 633                                 $include_nested = false, $sanitize_content = true) {
 634
 635                         $qfh_ret = queryFeedHeadlines($feed_id, $limit,
 636                                 $view_mode, $is_cat, $search, $search_mode,
 637                                 $order, $offset, 0, false, $since_id, $include_nested);
 638
 639                         $result = $qfh_ret[0];
 640                         $feed_title = $qfh_ret[1];
 641
 642                         $headlines = array();
 643
 644                         while ($line = db_fetch_assoc($result)) {
 645                                 $line["content_preview"] = truncate_string(strip_tags($line["content_preview"]), 100);
 646                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 647                                         $line = $p->hook_query_headlines($line, 100, true);
 648                                 }
 649
 650                                 $is_updated = ($line["last_read"] == "" &&
 651                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 652
 653                                 $tags = explode(",", $line["tag_cache"]);
 654                                 $labels = json_decode($line["label_cache"], true);
 655
 656                                 //if (!$tags) $tags = get_article_tags($line["id"]);
 657                                 //if (!$labels) $labels = get_article_labels($line["id"]);
 658
 659                                 $headline_row = array(
 660                                                 "id" => (int)$line["id"],
 661                                                 "unread" => sql_bool_to_bool($line["unread"]),
 662                                                 "marked" => sql_bool_to_bool($line["marked"]),
 663                                                 "published" => sql_bool_to_bool($line["published"]),
 664                                                 "updated" => (int) strtotime($line["updated"]),
 665                                                 "is_updated" => $is_updated,
 666                                                 "title" => $line["title"],
 667                                                 "link" => $line["link"],
 668                                                 "feed_id" => $line["feed_id"],
 669                                                 "tags" => $tags,
 670                                         );
 671
 672                                 if ($include_attachments)
 673                                         $headline_row['attachments'] = get_article_enclosures(
 674                                                 $line['id']);
 675
 676                                 if ($show_excerpt)
 677                                         $headline_row["excerpt"] = $line["content_preview"];
 678
 679                                 if ($show_content) {
 680
 681                                         if ($sanitize_content) {
 682                                                 $headline_row["content"] = sanitize(
 683                                                         $line["content"],
 684                                                         sql_bool_to_bool($line['hide_images']),
 685                                                         false, $line["site_url"], false, $line["id"]);
 686                                         } else {
 687                                                 $headline_row["content"] = $line["content"];
 688                                         }
 689                                 }
 690
 691                                 // unify label output to ease parsing
 692                                 if ($labels["no-labels"] == 1) $labels = array();
 693
 694                                 $headline_row["labels"] = $labels;
 695
 696                                 $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 697                                         $feed_title;
 698
 699                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 700                                 $headline_row["comments_link"] = $line["comments"];
 701
 702                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 703
 704                                 $headline_row["author"] = $line["author"];
 705
 706                                 $headline_row["score"] = (int)$line["score"];
 707                                 $headline_row["note"] = $line["note"];
 708
 709                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 710                                         $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 711                                 }
 712
 713                                 array_push($headlines, $headline_row);
 714                         }
 715
 716                         return $headlines;
 717         }
 718
 719         function unsubscribeFeed() {
 720                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 721
 722                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 723                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 724
 725                 if ($this->dbh->num_rows($result) != 0) {
 726                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 727                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 728                 } else {
 729                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 730                 }
 731         }
 732
 733         function subscribeToFeed() {
 734                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 735                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 736                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 737                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 738
 739                 if ($feed_url) {
 740                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 741
 742                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 743                 } else {
 744                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 745                 }
 746         }
 747
 748         function getFeedTree() {
 749                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 750
 751                 $pf = new Pref_Feeds($_REQUEST);
 752
 753                 $_REQUEST['mode'] = 2;
 754                 $_REQUEST['force_show_empty'] = $include_empty;
 755
 756                 if ($pf){
 757                         $data = $pf->makefeedtree();
 758                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 759                 } else {
 760                         $this->wrap(self::STATUS_ERR, array("error" =>
 761                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 762                 }
 763
 764         }
 765
 766         // only works for labels or uncategorized for the time being
 767         private function isCategoryEmpty($id) {
 768
 769                 if ($id == -2) {
 770                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 771                                 WHERE owner_uid = " . $_SESSION["uid"]);
 772
 773                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 774
 775                 } else if ($id == 0) {
 776                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 777                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 778
 779                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 780
 781                 }
 782
 783                 return false;
 784         }
 785
 786
 787 }
 788
 789 ?>