classes/api.php

   1 <?php
   2 class API extends Handler {
   3
   4         const API_LEVEL  = 14;
   5
   6         const STATUS_OK  = 0;
   7         const STATUS_ERR = 1;
   8
   9         private $seq;
  10
  11         function before($method) {
  12                 if (parent::before($method)) {
  13                         header("Content-Type: text/json");
  14
  15                         if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
  16                                 $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  17                                 return false;
  18                         }
  19
  20                         if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
  21                                 $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
  22                                 return false;
  23                         }
  24
  25                         $this->seq = (int) $_REQUEST['seq'];
  26
  27                         return true;
  28                 }
  29                 return false;
  30         }
  31
  32         function wrap($status, $reply) {
  33                 print json_encode(array("seq" => $this->seq,
  34                         "status" => $status,
  35                         "content" => $reply));
  36         }
  37
  38         function getVersion() {
  39                 $rv = array("version" => VERSION);
  40                 $this->wrap(self::STATUS_OK, $rv);
  41         }
  42
  43         function getApiLevel() {
  44                 $rv = array("level" => self::API_LEVEL);
  45                 $this->wrap(self::STATUS_OK, $rv);
  46         }
  47
  48         function login() {
  49                 @session_destroy();
  50                 @session_start();
  51
  52                 $login = $_REQUEST["user"];
  53                 $password = $_REQUEST["password"];
  54                 $password_base64 = base64_decode($_REQUEST["password"]);
  55
  56                 if (SINGLE_USER_MODE) $login = "admin";
  57
  58                 $sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE login = ?");
  59                 $sth->execute([$login]);
  60
  61                 if ($row = $sth->fetch()) {
  62                         $uid = $row["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                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
  81                                 $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  82                         }
  83                 } else {
  84                         $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  85                 }
  86
  87         }
  88
  89         function logout() {
  90                 logout_user();
  91                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
  92         }
  93
  94         function isLoggedIn() {
  95                 $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
  96         }
  97
  98         function getUnread() {
  99                 $feed_id = $_REQUEST["feed_id"];
 100                 $is_cat = $_REQUEST["is_cat"];
 101
 102                 if ($feed_id) {
 103                         $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
 104                 } else {
 105                         $this->wrap(self::STATUS_OK, array("unread" => Feeds::getGlobalUnread()));
 106                 }
 107         }
 108
 109         /* Method added for ttrss-reader for Android */
 110         function getCounters() {
 111                 $this->wrap(self::STATUS_OK, Counters::getAllCounters());
 112         }
 113
 114         function getFeeds() {
 115                 $cat_id = $_REQUEST["cat_id"];
 116                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 117                 $limit = (int) $_REQUEST["limit"];
 118                 $offset = (int) $_REQUEST["offset"];
 119                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 120
 121                 $feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
 122
 123                 $this->wrap(self::STATUS_OK, $feeds);
 124         }
 125
 126         function getCategories() {
 127                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 128                 $enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
 129                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 130
 131                 // TODO do not return empty categories, return Uncategorized and standard virtual cats
 132
 133                 if ($enable_nested)
 134                         $nested_qpart = "parent_cat IS NULL";
 135                 else
 136                         $nested_qpart = "true";
 137
 138                 $sth = $this->pdo->prepare("SELECT
 139                                 id, title, order_id, (SELECT COUNT(id) FROM
 140                                 ttrss_feeds WHERE
 141                                 ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
 142                         (SELECT COUNT(id) FROM
 143                                 ttrss_feed_categories AS c2 WHERE
 144                                 c2.parent_cat = ttrss_feed_categories.id) AS num_cats
 145                         FROM ttrss_feed_categories
 146                         WHERE $nested_qpart AND owner_uid = ?");
 147                 $sth->execute([$_SESSION['uid']]);
 148
 149                 $cats = array();
 150
 151                 while ($line = $sth->fetch()) {
 152                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 153                                 $unread = getFeedUnread($line["id"], true);
 154
 155                                 if ($enable_nested)
 156                                         $unread += Feeds::getCategoryChildrenUnread($line["id"]);
 157
 158                                 if ($unread || !$unread_only) {
 159                                         array_push($cats, array("id" => $line["id"],
 160                                                 "title" => $line["title"],
 161                                                 "unread" => $unread,
 162                                                 "order_id" => (int) $line["order_id"],
 163                                         ));
 164                                 }
 165                         }
 166                 }
 167
 168                 foreach (array(-2,-1,0) as $cat_id) {
 169                         if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
 170                                 $unread = getFeedUnread($cat_id, true);
 171
 172                                 if ($unread || !$unread_only) {
 173                                         array_push($cats, array("id" => $cat_id,
 174                                                 "title" => Feeds::getCategoryTitle($cat_id),
 175                                                 "unread" => $unread));
 176                                 }
 177                         }
 178                 }
 179
 180                 $this->wrap(self::STATUS_OK, $cats);
 181         }
 182
 183         function getHeadlines() {
 184                 $feed_id = $_REQUEST["feed_id"];
 185                 if ($feed_id != "") {
 186
 187                         if (is_numeric($feed_id)) $feed_id = (int) $feed_id;
 188
 189                         $limit = (int)$_REQUEST["limit"];
 190
 191                         if (!$limit || $limit >= 200) $limit = 200;
 192
 193                         $offset = (int)$_REQUEST["skip"];
 194                         $filter = $_REQUEST["filter"];
 195                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 196                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 197                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 198                         /* all_articles, unread, adaptive, marked, updated */
 199                         $view_mode = $_REQUEST["view_mode"];
 200                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 201                         $since_id = (int)$_REQUEST["since_id"];
 202                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 203                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 204                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 205                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
 206                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
 207                         $excerpt_length = (int)$_REQUEST["excerpt_length"];
 208                         $check_first_id = (int)$_REQUEST["check_first_id"];
 209                         $include_header = sql_bool_to_bool($_REQUEST["include_header"]);
 210
 211                         $_SESSION['hasSandbox'] = $has_sandbox;
 212
 213                         $skip_first_id_check = false;
 214
 215                         $override_order = false;
 216                         switch ($_REQUEST["order_by"]) {
 217                                 case "title":
 218                                         $override_order = "ttrss_entries.title, date_entered, updated";
 219                                         break;
 220                                 case "date_reverse":
 221                                         $override_order = "score DESC, date_entered, updated";
 222                                         $skip_first_id_check = true;
 223                                         break;
 224                                 case "feed_dates":
 225                                         $override_order = "updated DESC";
 226                                         break;
 227                         }
 228
 229                         /* do not rely on params below */
 230
 231                         $search = $_REQUEST["search"];
 232
 233                         list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
 234                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 235                                 $include_attachments, $since_id, $search,
 236                                 $include_nested, $sanitize_content, $force_update, $excerpt_length, $check_first_id, $skip_first_id_check);
 237
 238                         if ($include_header) {
 239                                 $this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
 240                         } else {
 241                                 $this->wrap(self::STATUS_OK, $headlines);
 242                         }
 243                 } else {
 244                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 245                 }
 246         }
 247
 248         function updateArticle() {
 249                 $article_ids = explode(",", $_REQUEST["article_ids"]);
 250                 $mode = (int) $_REQUEST["mode"];
 251                 $data = $_REQUEST["data"];
 252                 $field_raw = (int)$_REQUEST["field"];
 253
 254                 $field = "";
 255                 $set_to = "";
 256
 257                 switch ($field_raw) {
 258                         case 0:
 259                                 $field = "marked";
 260                                 $additional_fields = ",last_marked = NOW()";
 261                                 break;
 262                         case 1:
 263                                 $field = "published";
 264                                 $additional_fields = ",last_published = NOW()";
 265                                 break;
 266                         case 2:
 267                                 $field = "unread";
 268                                 $additional_fields = ",last_read = NOW()";
 269                                 break;
 270                         case 3:
 271                                 $field = "note";
 272                 };
 273
 274                 switch ($mode) {
 275                         case 1:
 276                                 $set_to = "true";
 277                                 break;
 278                         case 0:
 279                                 $set_to = "false";
 280                                 break;
 281                         case 2:
 282                                 $set_to = "NOT $field";
 283                                 break;
 284                 }
 285
 286                 if ($field == "note") $set_to = $this->pdo->quote($data);
 287
 288                 if ($field && $set_to && count($article_ids) > 0) {
 289
 290                         $article_qmarks = arr_qmarks($article_ids);
 291
 292                         $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
 293                                 $field = $set_to $additional_fields
 294                                 WHERE ref_id IN ($article_qmarks) AND owner_uid = ?");
 295                         $sth->execute(array_merge($article_ids, [$_SESSION['uid']]));
 296
 297                         $num_updated = $sth->rowCount();
 298
 299                         if ($num_updated > 0 && $field == "unread") {
 300                                 $sth = $this->pdo->prepare("SELECT DISTINCT feed_id FROM ttrss_user_entries
 301                                         WHERE ref_id IN ($article_qmarks)");
 302                                 $sth->execute($article_ids);
 303
 304                                 while ($line = $sth->fetch()) {
 305                                         CCache::update($line["feed_id"], $_SESSION["uid"]);
 306                                 }
 307                         }
 308
 309                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 310                                 "updated" => $num_updated));
 311
 312                 } else {
 313                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 314                 }
 315
 316         }
 317
 318         function getArticle() {
 319
 320                 $article_ids = explode(",", $_REQUEST["article_id"]);
 321                 $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 322                         sql_bool_to_bool($_REQUEST["sanitize"]);
 323
 324                 if ($article_ids) {
 325
 326                         $article_qmarks = arr_qmarks($article_ids);
 327
 328                         $sth = $this->pdo->prepare("SELECT id,guid,title,link,content,feed_id,comments,int_id,
 329                                 marked,unread,published,score,note,lang,
 330                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 331                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
 332                                 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
 333                                 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
 334                                 FROM ttrss_entries,ttrss_user_entries
 335                                 WHERE id IN ($article_qmarks) AND ref_id = id AND owner_uid = ?");
 336
 337                         $sth->execute(array_merge($article_ids, [$_SESSION['uid']]));
 338
 339                         $articles = array();
 340
 341                         while ($line = $sth->fetch()) {
 342
 343                                 $attachments = Article::get_article_enclosures($line['id']);
 344
 345                                 $article = array(
 346                                         "id" => $line["id"],
 347                                         "guid" => $line["guid"],
 348                                         "title" => $line["title"],
 349                                         "link" => $line["link"],
 350                                         "labels" => Article::get_article_labels($line['id']),
 351                                         "unread" => sql_bool_to_bool($line["unread"]),
 352                                         "marked" => sql_bool_to_bool($line["marked"]),
 353                                         "published" => sql_bool_to_bool($line["published"]),
 354                                         "comments" => $line["comments"],
 355                                         "author" => $line["author"],
 356                                         "updated" => (int) strtotime($line["updated"]),
 357                                         "feed_id" => $line["feed_id"],
 358                                         "attachments" => $attachments,
 359                                         "score" => (int)$line["score"],
 360                                         "feed_title" => $line["feed_title"],
 361                                         "note" => $line["note"],
 362                                         "lang" => $line["lang"]
 363                                 );
 364
 365                                 if ($sanitize_content) {
 366                                         $article["content"] = sanitize(
 367                                                 $line["content"],
 368                                                 sql_bool_to_bool($line['hide_images']),
 369                                                 false, $line["site_url"], false, $line["id"]);
 370                                 } else {
 371                                         $article["content"] = $line["content"];
 372                                 }
 373
 374                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 375                                         $article = $p->hook_render_article_api(array("article" => $article));
 376                                 }
 377
 378                                 array_push($articles, $article);
 379
 380                         }
 381
 382                         $this->wrap(self::STATUS_OK, $articles);
 383                 } else {
 384                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 385                 }
 386         }
 387
 388         function getConfig() {
 389                 $config = array(
 390                         "icons_dir" => ICONS_DIR,
 391                         "icons_url" => ICONS_URL);
 392
 393                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 394
 395                 $sth = $this->pdo->prepare("SELECT COUNT(*) AS cf FROM
 396                         ttrss_feeds WHERE owner_uid = ?");
 397                 $sth->execute([$_SESSION['uid']]);
 398                 $row = $sth->fetch();
 399
 400                 $config["num_feeds"] = $row["cf"];
 401
 402                 $this->wrap(self::STATUS_OK, $config);
 403         }
 404
 405         function updateFeed() {
 406                 $feed_id = (int) $_REQUEST["feed_id"];
 407
 408                 if (!ini_get("open_basedir")) {
 409                         RSSUtils::update_rss_feed($feed_id);
 410                 }
 411
 412                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 413         }
 414
 415         function catchupFeed() {
 416                 $feed_id = $_REQUEST["feed_id"];
 417                 $is_cat = $_REQUEST["is_cat"];
 418
 419                 Feeds::catchup_feed($feed_id, $is_cat);
 420
 421                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 422         }
 423
 424         function getPref() {
 425                 $pref_name = $_REQUEST["pref_name"];
 426
 427                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 428         }
 429
 430         function getLabels() {
 431                 $article_id = (int)$_REQUEST['article_id'];
 432
 433                 $rv = array();
 434
 435                 $sth = $this->pdo->prepare("SELECT id, caption, fg_color, bg_color
 436                         FROM ttrss_labels2
 437                         WHERE owner_uid = ? ORDER BY caption");
 438                 $sth->execute([$_SESSION['uid']]);
 439
 440                 if ($article_id)
 441                         $article_labels = Article::get_article_labels($article_id);
 442                 else
 443                         $article_labels = array();
 444
 445                 while ($line = $sth->fetch()) {
 446
 447                         $checked = false;
 448                         foreach ($article_labels as $al) {
 449                                 if (Labels::feed_to_label_id($al[0]) == $line['id']) {
 450                                         $checked = true;
 451                                         break;
 452                                 }
 453                         }
 454
 455                         array_push($rv, array(
 456                                 "id" => (int)Labels::label_to_feed_id($line['id']),
 457                                 "caption" => $line['caption'],
 458                                 "fg_color" => $line['fg_color'],
 459                                 "bg_color" => $line['bg_color'],
 460                                 "checked" => $checked));
 461                 }
 462
 463                 $this->wrap(self::STATUS_OK, $rv);
 464         }
 465
 466         function setArticleLabel() {
 467
 468                 $article_ids = explode(",", $_REQUEST["article_ids"]);
 469                 $label_id = (int) $_REQUEST['label_id'];
 470                 $assign = sql_bool_to_bool($_REQUEST['assign']);
 471
 472                 $label = Labels::find_caption(Labels::feed_to_label_id($label_id), $_SESSION["uid"]);
 473
 474                 $num_updated = 0;
 475
 476                 if ($label) {
 477
 478                         foreach ($article_ids as $id) {
 479
 480                                 if ($assign)
 481                                         Labels::add_article($id, $label, $_SESSION["uid"]);
 482                                 else
 483                                         Labels::remove_article($id, $label, $_SESSION["uid"]);
 484
 485                                 ++$num_updated;
 486
 487                         }
 488                 }
 489
 490                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 491                         "updated" => $num_updated));
 492
 493         }
 494
 495         function index($method) {
 496                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 497
 498                 if ($plugin && method_exists($plugin, $method)) {
 499                         $reply = $plugin->$method();
 500
 501                         $this->wrap($reply[0], $reply[1]);
 502
 503                 } else {
 504                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 505                 }
 506         }
 507
 508         function shareToPublished() {
 509                 $title = strip_tags($_REQUEST["title"]);
 510                 $url = strip_tags($_REQUEST["url"]);
 511                 $content = strip_tags($_REQUEST["content"]);
 512
 513                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 514                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 515                 } else {
 516                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 517                 }
 518         }
 519
 520         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 521
 522                         $feeds = array();
 523
 524                         $pdo = Db::pdo();
 525
 526                         $limit = (int) $limit;
 527                         $offset = (int) $offset;
 528                         $cat_id = (int) $cat_id;
 529
 530                         /* Labels */
 531
 532                         if ($cat_id == -4 || $cat_id == -2) {
 533                                 $counters = Counters::getLabelCounters(true);
 534
 535                                 foreach (array_values($counters) as $cv) {
 536
 537                                         $unread = $cv["counter"];
 538
 539                                         if ($unread || !$unread_only) {
 540
 541                                                 $row = array(
 542                                                                 "id" => (int) $cv["id"],
 543                                                                 "title" => $cv["description"],
 544                                                                 "unread" => $cv["counter"],
 545                                                                 "cat_id" => -2,
 546                                                         );
 547
 548                                                 array_push($feeds, $row);
 549                                         }
 550                                 }
 551                         }
 552
 553                         /* Virtual feeds */
 554
 555                         if ($cat_id == -4 || $cat_id == -1) {
 556                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 557                                         $unread = getFeedUnread($i);
 558
 559                                         if ($unread || !$unread_only) {
 560                                                 $title = Feeds::getFeedTitle($i);
 561
 562                                                 $row = array(
 563                                                                 "id" => $i,
 564                                                                 "title" => $title,
 565                                                                 "unread" => $unread,
 566                                                                 "cat_id" => -1,
 567                                                         );
 568                                                 array_push($feeds, $row);
 569                                         }
 570
 571                                 }
 572                         }
 573
 574                         /* Child cats */
 575
 576                         if ($include_nested && $cat_id) {
 577                                 $sth = $pdo->prepare("SELECT
 578                                         id, title, order_id FROM ttrss_feed_categories
 579                                         WHERE parent_cat = ? AND owner_uid = ? ORDER BY id, title");
 580
 581                                 $sth->execute([$cat_id, $_SESSION['uid']]);
 582
 583                                 while ($line = $sth->fetch()) {
 584                                         $unread = getFeedUnread($line["id"], true) +
 585                                                 Feeds::getCategoryChildrenUnread($line["id"]);
 586
 587                                         if ($unread || !$unread_only) {
 588                                                 $row = array(
 589                                                                 "id" => (int) $line["id"],
 590                                                                 "title" => $line["title"],
 591                                                                 "unread" => $unread,
 592                                                                 "is_cat" => true,
 593                                 "order_id" => (int) $line["order_id"]
 594                                                         );
 595                                                 array_push($feeds, $row);
 596                                         }
 597                                 }
 598                         }
 599
 600                         /* Real feeds */
 601
 602                         if ($limit) {
 603                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 604                         } else {
 605                                 $limit_qpart = "";
 606                         }
 607
 608                         if ($cat_id == -4 || $cat_id == -3) {
 609                                 $sth = $pdo->prepare("SELECT
 610                                         id, feed_url, cat_id, title, order_id, ".
 611                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 612                                                 FROM ttrss_feeds WHERE owner_uid = ?
 613                                                 ORDER BY cat_id, title " . $limit_qpart);
 614                                 $sth->execute([$_SESSION['uid']]);
 615
 616                         } else {
 617
 618                                 $sth = $pdo->prepare("SELECT
 619                                         id, feed_url, cat_id, title, order_id, ".
 620                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 621                                                 FROM ttrss_feeds WHERE
 622                                                 (cat_id = :cat OR (:cat = 0 AND cat_id IS NULL))
 623                                                 AND owner_uid = :uid
 624                                                 ORDER BY cat_id, title " . $limit_qpart);
 625                                 $sth->execute([":uid" => $_SESSION['uid'], ":cat" => $cat_id]);
 626                         }
 627
 628                         while ($line = $sth->fetch()) {
 629
 630                                 $unread = getFeedUnread($line["id"]);
 631
 632                                 $has_icon = feed_has_icon($line['id']);
 633
 634                                 if ($unread || !$unread_only) {
 635
 636                                         $row = array(
 637                                                         "feed_url" => $line["feed_url"],
 638                                                         "title" => $line["title"],
 639                                                         "id" => (int)$line["id"],
 640                                                         "unread" => (int)$unread,
 641                                                         "has_icon" => $has_icon,
 642                                                         "cat_id" => (int)$line["cat_id"],
 643                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 644                                                         "order_id" => (int) $line["order_id"],
 645                                                 );
 646
 647                                         array_push($feeds, $row);
 648                                 }
 649                         }
 650
 651                 return $feeds;
 652         }
 653
 654         /**
 655          * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 656          */
 657         static function api_get_headlines($feed_id, $limit, $offset,
 658                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 659                                 $include_attachments, $since_id,
 660                                 $search = "", $include_nested = false, $sanitize_content = true,
 661                                 $force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
 662
 663                         $pdo = Db::pdo();
 664
 665                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 666                                 // Update the feed if required with some basic flood control
 667
 668                                 $sth = $pdo->prepare(
 669                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 670                                                 FROM ttrss_feeds WHERE id = ?");
 671                                 $sth->execute([$feed_id]);
 672
 673                                 if ($row = $sth->fetch()) {
 674                                         $last_updated = strtotime($row["last_updated"]);
 675                                         $cache_images = sql_bool_to_bool($row["cache_images"]);
 676
 677                                         if (!$cache_images && time() - $last_updated > 120) {
 678                                                 RSSUtils::update_rss_feed($feed_id, true);
 679                                         } else {
 680                                                 $sth = $pdo->prepare("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 681                                                         WHERE id = ?");
 682                                                 $sth->execute([$feed_id]);
 683                                         }
 684                                 }
 685                         }
 686
 687                         $params = array(
 688                                 "feed" => $feed_id,
 689                                 "limit" => $limit,
 690                                 "view_mode" => $view_mode,
 691                                 "cat_view" => $is_cat,
 692                                 "search" => $search,
 693                                 "override_order" => $order,
 694                                 "offset" => $offset,
 695                                 "since_id" => $since_id,
 696                                 "include_children" => $include_nested,
 697                                 "check_first_id" => $check_first_id,
 698                                 "skip_first_id_check" => $skip_first_id_check
 699                         );
 700
 701                         $qfh_ret = Feeds::queryFeedHeadlines($params);
 702
 703                         $result = $qfh_ret[0];
 704                         $feed_title = $qfh_ret[1];
 705                         $first_id = $qfh_ret[6];
 706
 707                         $headlines = array();
 708
 709                         $headlines_header = array(
 710                                 'id' => $feed_id,
 711                                 'first_id' => $first_id,
 712                                 'is_cat' => $is_cat);
 713
 714                         if (!is_numeric($result)) {
 715                                 while ($line = $result->fetch()) {
 716                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 717                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 718                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
 719                                         }
 720
 721                                         $is_updated = ($line["last_read"] == "" &&
 722                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
 723
 724                                         $tags = explode(",", $line["tag_cache"]);
 725
 726                                         $label_cache = $line["label_cache"];
 727                                         $labels = false;
 728
 729                                         if ($label_cache) {
 730                                                 $label_cache = json_decode($label_cache, true);
 731
 732                                                 if ($label_cache) {
 733                                                         if ($label_cache["no-labels"] == 1)
 734                                                                 $labels = array();
 735                                                         else
 736                                                                 $labels = $label_cache;
 737                                                 }
 738                                         }
 739
 740                                         if (!is_array($labels)) $labels = Article::get_article_labels($line["id"]);
 741
 742                                         $headline_row = array(
 743                                                 "id" => (int)$line["id"],
 744                                                 "guid" => $line["guid"],
 745                                                 "unread" => sql_bool_to_bool($line["unread"]),
 746                                                 "marked" => sql_bool_to_bool($line["marked"]),
 747                                                 "published" => sql_bool_to_bool($line["published"]),
 748                                                 "updated" => (int)strtotime($line["updated"]),
 749                                                 "is_updated" => $is_updated,
 750                                                 "title" => $line["title"],
 751                                                 "link" => $line["link"],
 752                                                 "feed_id" => $line["feed_id"],
 753                                                 "tags" => $tags,
 754                                         );
 755
 756                                         if ($include_attachments)
 757                                                 $headline_row['attachments'] = Article::get_article_enclosures(
 758                                                         $line['id']);
 759
 760                                         if ($show_excerpt)
 761                                                 $headline_row["excerpt"] = $line["content_preview"];
 762
 763                                         if ($show_content) {
 764
 765                                                 if ($sanitize_content) {
 766                                                         $headline_row["content"] = sanitize(
 767                                                                 $line["content"],
 768                                                                 sql_bool_to_bool($line['hide_images']),
 769                                                                 false, $line["site_url"], false, $line["id"]);
 770                                                 } else {
 771                                                         $headline_row["content"] = $line["content"];
 772                                                 }
 773                                         }
 774
 775                                         // unify label output to ease parsing
 776                                         if ($labels["no-labels"] == 1) $labels = array();
 777
 778                                         $headline_row["labels"] = $labels;
 779
 780                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 781                                                 $feed_title;
 782
 783                                         $headline_row["comments_count"] = (int)$line["num_comments"];
 784                                         $headline_row["comments_link"] = $line["comments"];
 785
 786                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 787
 788                                         $headline_row["author"] = $line["author"];
 789
 790                                         $headline_row["score"] = (int)$line["score"];
 791                                         $headline_row["note"] = $line["note"];
 792                                         $headline_row["lang"] = $line["lang"];
 793
 794                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 795                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 796                                         }
 797
 798                                         array_push($headlines, $headline_row);
 799                                 }
 800                         } else if (is_numeric($result) && $result == -1) {
 801                                 $headlines_header['first_id_changed'] = true;
 802                         }
 803
 804                         return array($headlines, $headlines_header);
 805         }
 806
 807         function unsubscribeFeed() {
 808                 $feed_id = (int) $_REQUEST["feed_id"];
 809
 810                 $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
 811                         id = ? AND owner_uid = ?");
 812                 $sth->execute([$feed_id, $_SESSION['uid']]);
 813
 814                 if ($row = $sth->fetch()) {
 815                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 816                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 817                 } else {
 818                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 819                 }
 820         }
 821
 822         function subscribeToFeed() {
 823                 $feed_url = $_REQUEST["feed_url"];
 824                 $category_id = (int) $_REQUEST["category_id"];
 825                 $login = $_REQUEST["login"];
 826                 $password = $_REQUEST["password"];
 827
 828                 if ($feed_url) {
 829                         $rc = Feeds::subscribe_to_feed($feed_url, $category_id, $login, $password);
 830
 831                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 832                 } else {
 833                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 834                 }
 835         }
 836
 837         function getFeedTree() {
 838                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 839
 840                 $pf = new Pref_Feeds($_REQUEST);
 841
 842                 $_REQUEST['mode'] = 2;
 843                 $_REQUEST['force_show_empty'] = $include_empty;
 844
 845                 if ($pf){
 846                         $data = $pf->makefeedtree();
 847                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 848                 } else {
 849                         $this->wrap(self::STATUS_ERR, array("error" =>
 850                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 851                 }
 852
 853         }
 854
 855         // only works for labels or uncategorized for the time being
 856         private function isCategoryEmpty($id) {
 857
 858                 if ($id == -2) {
 859                         $sth = $this->pdo->prepare("SELECT COUNT(id) AS count FROM ttrss_labels2
 860                                 WHERE owner_uid = ?");
 861                         $sth->execute([$_SESSION['uid']]);
 862                         $row = $sth->fetch();
 863
 864                         return $row["count"] == 0;
 865
 866                 } else if ($id == 0) {
 867                         $sth = $this->pdo->prepare("SELECT COUNT(id) AS count FROM ttrss_feeds
 868                                 WHERE cat_id IS NULL AND owner_uid = ?");
 869                         $sth->execute([$_SESSION['uid']]);
 870                         $row = $sth->fetch();
 871
 872                         return $row["count"] == 0;
 873
 874                 }
 875
 876                 return false;
 877         }
 878
 879
 880 }