classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 9;
   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                                 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 = $this->dbh->escape_string($_REQUEST["feed_id"]);
 100                 $is_cat = $this->dbh->escape_string($_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" => getGlobalUnread()));
 106                 }
 107         }
 108
 109         /* Method added for ttrss-reader for Android */
 110         function getCounters() {
 111                 $this->wrap(self::STATUS_OK, getAllCounters());
 112         }
 113
 114         function getFeeds() {
 115                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
 116                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 117                 $limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
 118                 $offset = (int) $this->dbh->escape_string($_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                 $result = $this->dbh->query("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                         $_SESSION["uid"]);
 148
 149                 $cats = array();
 150
 151                 while ($line = $this->dbh->fetch_assoc($result)) {
 152                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 153                                 $unread = getFeedUnread($line["id"], true);
 154
 155                                 if ($enable_nested)
 156                                         $unread += getCategoryChildrenUnread($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" => $cat_id,
 174                                                 "title" => getCategoryTitle($cat_id),
 175                                                 "unread" => $unread));
 176                                 }
 177                         }
 178                 }
 179
 180                 $this->wrap(self::STATUS_OK, $cats);
 181         }
 182
 183         function getHeadlines() {
 184                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 185                 if ($feed_id != "") {
 186
 187                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 188
 189                         if (!$limit || $limit >= 200) $limit = 200;
 190
 191                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
 192                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
 193                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 194                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 195                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 196                         /* all_articles, unread, adaptive, marked, updated */
 197                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
 198                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 199                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
 200                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 201                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 202                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 203                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
 204
 205                         $override_order = false;
 206                         switch ($_REQUEST["order_by"]) {
 207                                 case "title":
 208                                         $override_order = "ttrss_entries.title";
 209                                         break;
 210                                 case "date_reverse":
 211                                         $override_order = "score DESC, date_entered, updated";
 212                                         break;
 213                                 case "feed_dates":
 214                                         $override_order = "updated DESC";
 215                                         break;
 216                         }
 217
 218                         /* do not rely on params below */
 219
 220                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 221                         $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 222
 223                         $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
 224                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 225                                 $include_attachments, $since_id, $search, $search_mode,
 226                                 $include_nested, $sanitize_content, $force_update);
 227
 228                         $this->wrap(self::STATUS_OK, $headlines);
 229                 } else {
 230                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 231                 }
 232         }
 233
 234         function updateArticle() {
 235                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 236                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 237                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 238                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 239
 240                 $field = "";
 241                 $set_to = "";
 242
 243                 switch ($field_raw) {
 244                         case 0:
 245                                 $field = "marked";
 246                                 $additional_fields = ",last_marked = NOW()";
 247                                 break;
 248                         case 1:
 249                                 $field = "published";
 250                                 $additional_fields = ",last_published = NOW()";
 251                                 break;
 252                         case 2:
 253                                 $field = "unread";
 254                                 $additional_fields = ",last_read = NOW()";
 255                                 break;
 256                         case 3:
 257                                 $field = "note";
 258                 };
 259
 260                 switch ($mode) {
 261                         case 1:
 262                                 $set_to = "true";
 263                                 break;
 264                         case 0:
 265                                 $set_to = "false";
 266                                 break;
 267                         case 2:
 268                                 $set_to = "NOT $field";
 269                                 break;
 270                 }
 271
 272                 if ($field == "note") $set_to = "'$data'";
 273
 274                 if ($field && $set_to && count($article_ids) > 0) {
 275
 276                         $article_ids = join(", ", $article_ids);
 277
 278                         $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"]);
 279
 280                         $num_updated = $this->dbh->affected_rows($result);
 281
 282                         if ($num_updated > 0 && $field == "unread") {
 283                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 284                                         WHERE ref_id IN ($article_ids)");
 285
 286                                 while ($line = $this->dbh->fetch_assoc($result)) {
 287                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 288                                 }
 289                         }
 290
 291                         if ($num_updated > 0 && $field == "published") {
 292                                 if (PUBSUBHUBBUB_HUB) {
 293                                         $rss_link = get_self_url_prefix() .
 294                                                 "/public.php?op=rss&id=-2&key=" .
 295                                                 get_feed_access_key(-2, false);
 296
 297                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 298                                         $pubsub_result = $p->publish_update($rss_link);
 299                                 }
 300                         }
 301
 302                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 303                                 "updated" => $num_updated));
 304
 305                 } else {
 306                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 307                 }
 308
 309         }
 310
 311         function getArticle() {
 312
 313                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 314
 315                 if ($article_id) {
 316
 317                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 318                                 marked,unread,published,score,note,lang,
 319                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 320                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
 321                                 FROM ttrss_entries,ttrss_user_entries
 322                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 323                                         $_SESSION["uid"] ;
 324
 325                         $result = $this->dbh->query($query);
 326
 327                         $articles = array();
 328
 329                         if ($this->dbh->num_rows($result) != 0) {
 330
 331                                 while ($line = $this->dbh->fetch_assoc($result)) {
 332
 333                                         $attachments = get_article_enclosures($line['id']);
 334
 335                                         $article = array(
 336                                                 "id" => $line["id"],
 337                                                 "title" => $line["title"],
 338                                                 "link" => $line["link"],
 339                                                 "labels" => get_article_labels($line['id']),
 340                                                 "unread" => sql_bool_to_bool($line["unread"]),
 341                                                 "marked" => sql_bool_to_bool($line["marked"]),
 342                                                 "published" => sql_bool_to_bool($line["published"]),
 343                                                 "comments" => $line["comments"],
 344                                                 "author" => $line["author"],
 345                                                 "updated" => (int) strtotime($line["updated"]),
 346                                                 "content" => $line["content"],
 347                                                 "feed_id" => $line["feed_id"],
 348                                                 "attachments" => $attachments,
 349                                                 "score" => (int)$line["score"],
 350                                                 "feed_title" => $line["feed_title"],
 351                                                 "note" => $line["note"],
 352                                                 "lang" => $line["lang"]
 353                                         );
 354
 355                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 356                                                 $article = $p->hook_render_article_api(array("article" => $article));
 357                                         }
 358
 359
 360                                         array_push($articles, $article);
 361
 362                                 }
 363                         }
 364
 365                         $this->wrap(self::STATUS_OK, $articles);
 366                 } else {
 367                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 368                 }
 369         }
 370
 371         function getConfig() {
 372                 $config = array(
 373                         "icons_dir" => ICONS_DIR,
 374                         "icons_url" => ICONS_URL);
 375
 376                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 377
 378                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 379                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 380
 381                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 382
 383                 $config["num_feeds"] = (int)$num_feeds;
 384
 385                 $this->wrap(self::STATUS_OK, $config);
 386         }
 387
 388         function updateFeed() {
 389                 require_once "include/rssfuncs.php";
 390
 391                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 392
 393                 update_rss_feed($feed_id, true);
 394
 395                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 396         }
 397
 398         function catchupFeed() {
 399                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 400                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 401
 402                 catchup_feed($feed_id, $is_cat);
 403
 404                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 405         }
 406
 407         function getPref() {
 408                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 409
 410                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 411         }
 412
 413         function getLabels() {
 414                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 415
 416                 $article_id = (int)$_REQUEST['article_id'];
 417
 418                 $rv = array();
 419
 420                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 421                         FROM ttrss_labels2
 422                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 423
 424                 if ($article_id)
 425                         $article_labels = get_article_labels($article_id);
 426                 else
 427                         $article_labels = array();
 428
 429                 while ($line = $this->dbh->fetch_assoc($result)) {
 430
 431                         $checked = false;
 432                         foreach ($article_labels as $al) {
 433                                 if (feed_to_label_id($al[0]) == $line['id']) {
 434                                         $checked = true;
 435                                         break;
 436                                 }
 437                         }
 438
 439                         array_push($rv, array(
 440                                 "id" => (int)label_to_feed_id($line['id']),
 441                                 "caption" => $line['caption'],
 442                                 "fg_color" => $line['fg_color'],
 443                                 "bg_color" => $line['bg_color'],
 444                                 "checked" => $checked));
 445                 }
 446
 447                 $this->wrap(self::STATUS_OK, $rv);
 448         }
 449
 450         function setArticleLabel() {
 451
 452                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 453                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 454                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 455
 456                 $label = $this->dbh->escape_string(label_find_caption(
 457                         feed_to_label_id($label_id), $_SESSION["uid"]));
 458
 459                 $num_updated = 0;
 460
 461                 if ($label) {
 462
 463                         foreach ($article_ids as $id) {
 464
 465                                 if ($assign)
 466                                         label_add_article($id, $label, $_SESSION["uid"]);
 467                                 else
 468                                         label_remove_article($id, $label, $_SESSION["uid"]);
 469
 470                                 ++$num_updated;
 471
 472                         }
 473                 }
 474
 475                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 476                         "updated" => $num_updated));
 477
 478         }
 479
 480         function index($method) {
 481                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 482
 483                 if ($plugin && method_exists($plugin, $method)) {
 484                         $reply = $plugin->$method();
 485
 486                         $this->wrap($reply[0], $reply[1]);
 487
 488                 } else {
 489                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 490                 }
 491         }
 492
 493         function shareToPublished() {
 494                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 495                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 496                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 497
 498                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 499                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 500                 } else {
 501                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 502                 }
 503         }
 504
 505         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 506
 507                         $feeds = array();
 508
 509                         /* Labels */
 510
 511                         if ($cat_id == -4 || $cat_id == -2) {
 512                                 $counters = getLabelCounters(true);
 513
 514                                 foreach (array_values($counters) as $cv) {
 515
 516                                         $unread = $cv["counter"];
 517
 518                                         if ($unread || !$unread_only) {
 519
 520                                                 $row = array(
 521                                                                 "id" => (int) $cv["id"],
 522                                                                 "title" => $cv["description"],
 523                                                                 "unread" => $cv["counter"],
 524                                                                 "cat_id" => -2,
 525                                                         );
 526
 527                                                 array_push($feeds, $row);
 528                                         }
 529                                 }
 530                         }
 531
 532                         /* Virtual feeds */
 533
 534                         if ($cat_id == -4 || $cat_id == -1) {
 535                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 536                                         $unread = getFeedUnread($i);
 537
 538                                         if ($unread || !$unread_only) {
 539                                                 $title = getFeedTitle($i);
 540
 541                                                 $row = array(
 542                                                                 "id" => $i,
 543                                                                 "title" => $title,
 544                                                                 "unread" => $unread,
 545                                                                 "cat_id" => -1,
 546                                                         );
 547                                                 array_push($feeds, $row);
 548                                         }
 549
 550                                 }
 551                         }
 552
 553                         /* Child cats */
 554
 555                         if ($include_nested && $cat_id) {
 556                                 $result = db_query("SELECT
 557                                         id, title FROM ttrss_feed_categories
 558                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 559                                 " ORDER BY id, title");
 560
 561                                 while ($line = db_fetch_assoc($result)) {
 562                                         $unread = getFeedUnread($line["id"], true) +
 563                                                 getCategoryChildrenUnread($line["id"]);
 564
 565                                         if ($unread || !$unread_only) {
 566                                                 $row = array(
 567                                                                 "id" => (int) $line["id"],
 568                                                                 "title" => $line["title"],
 569                                                                 "unread" => $unread,
 570                                                                 "is_cat" => true,
 571                                                         );
 572                                                 array_push($feeds, $row);
 573                                         }
 574                                 }
 575                         }
 576
 577                         /* Real feeds */
 578
 579                         if ($limit) {
 580                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 581                         } else {
 582                                 $limit_qpart = "";
 583                         }
 584
 585                         if ($cat_id == -4 || $cat_id == -3) {
 586                                 $result = db_query("SELECT
 587                                         id, feed_url, cat_id, title, order_id, ".
 588                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 589                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 590                                                 " ORDER BY cat_id, title " . $limit_qpart);
 591                         } else {
 592
 593                                 if ($cat_id)
 594                                         $cat_qpart = "cat_id = '$cat_id'";
 595                                 else
 596                                         $cat_qpart = "cat_id IS NULL";
 597
 598                                 $result = db_query("SELECT
 599                                         id, feed_url, cat_id, title, order_id, ".
 600                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 601                                                 FROM ttrss_feeds WHERE
 602                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 603                                                 " ORDER BY cat_id, title " . $limit_qpart);
 604                         }
 605
 606                         while ($line = db_fetch_assoc($result)) {
 607
 608                                 $unread = getFeedUnread($line["id"]);
 609
 610                                 $has_icon = feed_has_icon($line['id']);
 611
 612                                 if ($unread || !$unread_only) {
 613
 614                                         $row = array(
 615                                                         "feed_url" => $line["feed_url"],
 616                                                         "title" => $line["title"],
 617                                                         "id" => (int)$line["id"],
 618                                                         "unread" => (int)$unread,
 619                                                         "has_icon" => $has_icon,
 620                                                         "cat_id" => (int)$line["cat_id"],
 621                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 622                                                         "order_id" => (int) $line["order_id"],
 623                                                 );
 624
 625                                         array_push($feeds, $row);
 626                                 }
 627                         }
 628
 629                 return $feeds;
 630         }
 631
 632         static function api_get_headlines($feed_id, $limit, $offset,
 633                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 634                                 $include_attachments, $since_id,
 635                                 $search = "", $search_mode = "",
 636                                 $include_nested = false, $sanitize_content = true, $force_update = false) {
 637
 638                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 639                                 // Update the feed if required with some basic flood control
 640
 641                                 $result = db_query(
 642                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 643                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 644
 645                                 if (db_num_rows($result) != 0) {
 646                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 647                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 648
 649                                         if (!$cache_images && time() - $last_updated > 120) {
 650                                                 include "rssfuncs.php";
 651                                                 update_rss_feed($feed_id, true, true);
 652                                         } else {
 653                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 654                                                         WHERE id = '$feed_id'");
 655                                         }
 656                                 }
 657                         }
 658
 659                         $qfh_ret = queryFeedHeadlines($feed_id, $limit,
 660                                 $view_mode, $is_cat, $search, $search_mode,
 661                                 $order, $offset, 0, false, $since_id, $include_nested);
 662
 663                         $result = $qfh_ret[0];
 664                         $feed_title = $qfh_ret[1];
 665
 666                         $headlines = array();
 667
 668                         while ($line = db_fetch_assoc($result)) {
 669                                 $line["content_preview"] = truncate_string(strip_tags($line["content"]), 100);
 670                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 671                                         $line = $p->hook_query_headlines($line, 100, true);
 672                                 }
 673
 674                                 $is_updated = ($line["last_read"] == "" &&
 675                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 676
 677                                 $tags = explode(",", $line["tag_cache"]);
 678
 679                                 $label_cache = $line["label_cache"];
 680                                 $labels = false;
 681
 682                                 if ($label_cache) {
 683                                         $label_cache = json_decode($label_cache, true);
 684
 685                                         if ($label_cache) {
 686                                                 if ($label_cache["no-labels"] == 1)
 687                                                         $labels = array();
 688                                                 else
 689                                                         $labels = $label_cache;
 690                                         }
 691                                 }
 692
 693                                 if (!is_array($labels)) $labels = get_article_labels($line["id"]);
 694
 695                                 //if (!$tags) $tags = get_article_tags($line["id"]);
 696                                 //if (!$labels) $labels = get_article_labels($line["id"]);
 697
 698                                 $headline_row = array(
 699                                                 "id" => (int)$line["id"],
 700                                                 "unread" => sql_bool_to_bool($line["unread"]),
 701                                                 "marked" => sql_bool_to_bool($line["marked"]),
 702                                                 "published" => sql_bool_to_bool($line["published"]),
 703                                                 "updated" => (int) strtotime($line["updated"]),
 704                                                 "is_updated" => $is_updated,
 705                                                 "title" => $line["title"],
 706                                                 "link" => $line["link"],
 707                                                 "feed_id" => $line["feed_id"],
 708                                                 "tags" => $tags,
 709                                         );
 710
 711                                 if ($include_attachments)
 712                                         $headline_row['attachments'] = get_article_enclosures(
 713                                                 $line['id']);
 714
 715                                 if ($show_excerpt)
 716                                         $headline_row["excerpt"] = $line["content_preview"];
 717
 718                                 if ($show_content) {
 719
 720                                         if ($sanitize_content) {
 721                                                 $headline_row["content"] = sanitize(
 722                                                         $line["content"],
 723                                                         sql_bool_to_bool($line['hide_images']),
 724                                                         false, $line["site_url"], false, $line["id"]);
 725                                         } else {
 726                                                 $headline_row["content"] = $line["content"];
 727                                         }
 728                                 }
 729
 730                                 // unify label output to ease parsing
 731                                 if ($labels["no-labels"] == 1) $labels = array();
 732
 733                                 $headline_row["labels"] = $labels;
 734
 735                                 $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 736                                         $feed_title;
 737
 738                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 739                                 $headline_row["comments_link"] = $line["comments"];
 740
 741                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 742
 743                                 $headline_row["author"] = $line["author"];
 744
 745                                 $headline_row["score"] = (int)$line["score"];
 746                                 $headline_row["note"] = $line["note"];
 747                                 $headline_row["lang"] = $line["lang"];
 748
 749                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 750                                         $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 751                                 }
 752
 753                                 array_push($headlines, $headline_row);
 754                         }
 755
 756                         return $headlines;
 757         }
 758
 759         function unsubscribeFeed() {
 760                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 761
 762                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 763                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 764
 765                 if ($this->dbh->num_rows($result) != 0) {
 766                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 767                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 768                 } else {
 769                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 770                 }
 771         }
 772
 773         function subscribeToFeed() {
 774                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 775                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 776                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 777                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 778
 779                 if ($feed_url) {
 780                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 781
 782                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 783                 } else {
 784                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 785                 }
 786         }
 787
 788         function getFeedTree() {
 789                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 790
 791                 $pf = new Pref_Feeds($_REQUEST);
 792
 793                 $_REQUEST['mode'] = 2;
 794                 $_REQUEST['force_show_empty'] = $include_empty;
 795
 796                 if ($pf){
 797                         $data = $pf->makefeedtree();
 798                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 799                 } else {
 800                         $this->wrap(self::STATUS_ERR, array("error" =>
 801                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 802                 }
 803
 804         }
 805
 806         // only works for labels or uncategorized for the time being
 807         private function isCategoryEmpty($id) {
 808
 809                 if ($id == -2) {
 810                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 811                                 WHERE owner_uid = " . $_SESSION["uid"]);
 812
 813                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 814
 815                 } else if ($id == 0) {
 816                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 817                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 818
 819                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 820
 821                 }
 822
 823                 return false;
 824         }
 825
 826
 827 }
 828
 829 ?>