classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 12;
   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                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
 205                         $excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
 206                         $check_top_id = (int)$this->dbh->escape_string($_REQUEST["check_top_id"]);
 207                         $include_header = sql_bool_to_bool($_REQUEST["include_header"]);
 208
 209                         $_SESSION['hasSandbox'] = $has_sandbox;
 210
 211                         $override_order = false;
 212                         switch ($_REQUEST["order_by"]) {
 213                                 case "title":
 214                                         $override_order = "ttrss_entries.title";
 215                                         break;
 216                                 case "date_reverse":
 217                                         $override_order = "score DESC, date_entered, updated";
 218                                         break;
 219                                 case "feed_dates":
 220                                         $override_order = "updated DESC";
 221                                         break;
 222                         }
 223
 224                         /* do not rely on params below */
 225
 226                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 227
 228                         list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
 229                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 230                                 $include_attachments, $since_id, $search,
 231                                 $include_nested, $sanitize_content, $force_update, $excerpt_length, $check_top_id);
 232
 233                         if ($include_header) {
 234                                 $this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
 235                         } else {
 236                                 $this->wrap(self::STATUS_OK, $headlines);
 237                         }
 238                 } else {
 239                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 240                 }
 241         }
 242
 243         function updateArticle() {
 244                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 245                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 246                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 247                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 248
 249                 $field = "";
 250                 $set_to = "";
 251
 252                 switch ($field_raw) {
 253                         case 0:
 254                                 $field = "marked";
 255                                 $additional_fields = ",last_marked = NOW()";
 256                                 break;
 257                         case 1:
 258                                 $field = "published";
 259                                 $additional_fields = ",last_published = NOW()";
 260                                 break;
 261                         case 2:
 262                                 $field = "unread";
 263                                 $additional_fields = ",last_read = NOW()";
 264                                 break;
 265                         case 3:
 266                                 $field = "note";
 267                 };
 268
 269                 switch ($mode) {
 270                         case 1:
 271                                 $set_to = "true";
 272                                 break;
 273                         case 0:
 274                                 $set_to = "false";
 275                                 break;
 276                         case 2:
 277                                 $set_to = "NOT $field";
 278                                 break;
 279                 }
 280
 281                 if ($field == "note") $set_to = "'$data'";
 282
 283                 if ($field && $set_to && count($article_ids) > 0) {
 284
 285                         $article_ids = join(", ", $article_ids);
 286
 287                         $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"]);
 288
 289                         $num_updated = $this->dbh->affected_rows($result);
 290
 291                         if ($num_updated > 0 && $field == "unread") {
 292                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 293                                         WHERE ref_id IN ($article_ids)");
 294
 295                                 while ($line = $this->dbh->fetch_assoc($result)) {
 296                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 297                                 }
 298                         }
 299
 300                         if ($num_updated > 0 && $field == "published") {
 301                                 if (PUBSUBHUBBUB_HUB) {
 302                                         $rss_link = get_self_url_prefix() .
 303                                                 "/public.php?op=rss&id=-2&key=" .
 304                                                 get_feed_access_key(-2, false);
 305
 306                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 307                                         $pubsub_result = $p->publish_update($rss_link);
 308                                 }
 309                         }
 310
 311                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 312                                 "updated" => $num_updated));
 313
 314                 } else {
 315                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 316                 }
 317
 318         }
 319
 320         function getArticle() {
 321
 322                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 323
 324                 if ($article_id) {
 325
 326                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 327                                 marked,unread,published,score,note,lang,
 328                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 329                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
 330                                 FROM ttrss_entries,ttrss_user_entries
 331                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 332                                         $_SESSION["uid"] ;
 333
 334                         $result = $this->dbh->query($query);
 335
 336                         $articles = array();
 337
 338                         if ($this->dbh->num_rows($result) != 0) {
 339
 340                                 while ($line = $this->dbh->fetch_assoc($result)) {
 341
 342                                         $attachments = get_article_enclosures($line['id']);
 343
 344                                         $article = array(
 345                                                 "id" => $line["id"],
 346                                                 "title" => $line["title"],
 347                                                 "link" => $line["link"],
 348                                                 "labels" => get_article_labels($line['id']),
 349                                                 "unread" => sql_bool_to_bool($line["unread"]),
 350                                                 "marked" => sql_bool_to_bool($line["marked"]),
 351                                                 "published" => sql_bool_to_bool($line["published"]),
 352                                                 "comments" => $line["comments"],
 353                                                 "author" => $line["author"],
 354                                                 "updated" => (int) strtotime($line["updated"]),
 355                                                 "content" => $line["content"],
 356                                                 "feed_id" => $line["feed_id"],
 357                                                 "attachments" => $attachments,
 358                                                 "score" => (int)$line["score"],
 359                                                 "feed_title" => $line["feed_title"],
 360                                                 "note" => $line["note"],
 361                                                 "lang" => $line["lang"]
 362                                         );
 363
 364                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 365                                                 $article = $p->hook_render_article_api(array("article" => $article));
 366                                         }
 367
 368
 369                                         array_push($articles, $article);
 370
 371                                 }
 372                         }
 373
 374                         $this->wrap(self::STATUS_OK, $articles);
 375                 } else {
 376                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 377                 }
 378         }
 379
 380         function getConfig() {
 381                 $config = array(
 382                         "icons_dir" => ICONS_DIR,
 383                         "icons_url" => ICONS_URL);
 384
 385                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 386
 387                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 388                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 389
 390                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 391
 392                 $config["num_feeds"] = (int)$num_feeds;
 393
 394                 $this->wrap(self::STATUS_OK, $config);
 395         }
 396
 397         function updateFeed() {
 398                 require_once "include/rssfuncs.php";
 399
 400                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 401
 402                 update_rss_feed($feed_id, true);
 403
 404                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 405         }
 406
 407         function catchupFeed() {
 408                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 409                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 410
 411                 catchup_feed($feed_id, $is_cat);
 412
 413                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 414         }
 415
 416         function getPref() {
 417                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 418
 419                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 420         }
 421
 422         function getLabels() {
 423                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 424
 425                 $article_id = (int)$_REQUEST['article_id'];
 426
 427                 $rv = array();
 428
 429                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 430                         FROM ttrss_labels2
 431                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 432
 433                 if ($article_id)
 434                         $article_labels = get_article_labels($article_id);
 435                 else
 436                         $article_labels = array();
 437
 438                 while ($line = $this->dbh->fetch_assoc($result)) {
 439
 440                         $checked = false;
 441                         foreach ($article_labels as $al) {
 442                                 if (feed_to_label_id($al[0]) == $line['id']) {
 443                                         $checked = true;
 444                                         break;
 445                                 }
 446                         }
 447
 448                         array_push($rv, array(
 449                                 "id" => (int)label_to_feed_id($line['id']),
 450                                 "caption" => $line['caption'],
 451                                 "fg_color" => $line['fg_color'],
 452                                 "bg_color" => $line['bg_color'],
 453                                 "checked" => $checked));
 454                 }
 455
 456                 $this->wrap(self::STATUS_OK, $rv);
 457         }
 458
 459         function setArticleLabel() {
 460
 461                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 462                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 463                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 464
 465                 $label = $this->dbh->escape_string(label_find_caption(
 466                         feed_to_label_id($label_id), $_SESSION["uid"]));
 467
 468                 $num_updated = 0;
 469
 470                 if ($label) {
 471
 472                         foreach ($article_ids as $id) {
 473
 474                                 if ($assign)
 475                                         label_add_article($id, $label, $_SESSION["uid"]);
 476                                 else
 477                                         label_remove_article($id, $label, $_SESSION["uid"]);
 478
 479                                 ++$num_updated;
 480
 481                         }
 482                 }
 483
 484                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 485                         "updated" => $num_updated));
 486
 487         }
 488
 489         function index($method) {
 490                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 491
 492                 if ($plugin && method_exists($plugin, $method)) {
 493                         $reply = $plugin->$method();
 494
 495                         $this->wrap($reply[0], $reply[1]);
 496
 497                 } else {
 498                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 499                 }
 500         }
 501
 502         function shareToPublished() {
 503                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 504                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 505                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 506
 507                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 508                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 509                 } else {
 510                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 511                 }
 512         }
 513
 514         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 515
 516                         $feeds = array();
 517
 518                         /* Labels */
 519
 520                         if ($cat_id == -4 || $cat_id == -2) {
 521                                 $counters = getLabelCounters(true);
 522
 523                                 foreach (array_values($counters) as $cv) {
 524
 525                                         $unread = $cv["counter"];
 526
 527                                         if ($unread || !$unread_only) {
 528
 529                                                 $row = array(
 530                                                                 "id" => (int) $cv["id"],
 531                                                                 "title" => $cv["description"],
 532                                                                 "unread" => $cv["counter"],
 533                                                                 "cat_id" => -2,
 534                                                         );
 535
 536                                                 array_push($feeds, $row);
 537                                         }
 538                                 }
 539                         }
 540
 541                         /* Virtual feeds */
 542
 543                         if ($cat_id == -4 || $cat_id == -1) {
 544                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 545                                         $unread = getFeedUnread($i);
 546
 547                                         if ($unread || !$unread_only) {
 548                                                 $title = getFeedTitle($i);
 549
 550                                                 $row = array(
 551                                                                 "id" => $i,
 552                                                                 "title" => $title,
 553                                                                 "unread" => $unread,
 554                                                                 "cat_id" => -1,
 555                                                         );
 556                                                 array_push($feeds, $row);
 557                                         }
 558
 559                                 }
 560                         }
 561
 562                         /* Child cats */
 563
 564                         if ($include_nested && $cat_id) {
 565                                 $result = db_query("SELECT
 566                                         id, title FROM ttrss_feed_categories
 567                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 568                                 " ORDER BY id, title");
 569
 570                                 while ($line = db_fetch_assoc($result)) {
 571                                         $unread = getFeedUnread($line["id"], true) +
 572                                                 getCategoryChildrenUnread($line["id"]);
 573
 574                                         if ($unread || !$unread_only) {
 575                                                 $row = array(
 576                                                                 "id" => (int) $line["id"],
 577                                                                 "title" => $line["title"],
 578                                                                 "unread" => $unread,
 579                                                                 "is_cat" => true,
 580                                                         );
 581                                                 array_push($feeds, $row);
 582                                         }
 583                                 }
 584                         }
 585
 586                         /* Real feeds */
 587
 588                         if ($limit) {
 589                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 590                         } else {
 591                                 $limit_qpart = "";
 592                         }
 593
 594                         if ($cat_id == -4 || $cat_id == -3) {
 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 owner_uid = " . $_SESSION["uid"] .
 599                                                 " ORDER BY cat_id, title " . $limit_qpart);
 600                         } else {
 601
 602                                 if ($cat_id)
 603                                         $cat_qpart = "cat_id = '$cat_id'";
 604                                 else
 605                                         $cat_qpart = "cat_id IS NULL";
 606
 607                                 $result = db_query("SELECT
 608                                         id, feed_url, cat_id, title, order_id, ".
 609                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 610                                                 FROM ttrss_feeds WHERE
 611                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 612                                                 " ORDER BY cat_id, title " . $limit_qpart);
 613                         }
 614
 615                         while ($line = db_fetch_assoc($result)) {
 616
 617                                 $unread = getFeedUnread($line["id"]);
 618
 619                                 $has_icon = feed_has_icon($line['id']);
 620
 621                                 if ($unread || !$unread_only) {
 622
 623                                         $row = array(
 624                                                         "feed_url" => $line["feed_url"],
 625                                                         "title" => $line["title"],
 626                                                         "id" => (int)$line["id"],
 627                                                         "unread" => (int)$unread,
 628                                                         "has_icon" => $has_icon,
 629                                                         "cat_id" => (int)$line["cat_id"],
 630                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 631                                                         "order_id" => (int) $line["order_id"],
 632                                                 );
 633
 634                                         array_push($feeds, $row);
 635                                 }
 636                         }
 637
 638                 return $feeds;
 639         }
 640
 641         static function api_get_headlines($feed_id, $limit, $offset,
 642                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 643                                 $include_attachments, $since_id,
 644                                 $search = "", $include_nested = false, $sanitize_content = true,
 645                                 $force_update = false, $excerpt_length = 100, $check_top_id = false) {
 646
 647                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 648                                 // Update the feed if required with some basic flood control
 649
 650                                 $result = db_query(
 651                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 652                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 653
 654                                 if (db_num_rows($result) != 0) {
 655                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 656                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 657
 658                                         if (!$cache_images && time() - $last_updated > 120) {
 659                                                 include "rssfuncs.php";
 660                                                 update_rss_feed($feed_id, true, true);
 661                                         } else {
 662                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 663                                                         WHERE id = '$feed_id'");
 664                                         }
 665                                 }
 666                         }
 667
 668                         /*$qfh_ret = queryFeedHeadlines($feed_id, $limit,
 669                                 $view_mode, $is_cat, $search, false,
 670                                 $order, $offset, 0, false, $since_id, $include_nested);*/
 671
 672                         //function queryFeedHeadlines($feed, $limit,
 673                         // $view_mode, $cat_view, $search, $search_mode,
 674                         // $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false,
 675                         // $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false, $start_ts = false, $check_top_id = false) {
 676
 677                         $params = array(
 678                                 "feed" => $feed_id,
 679                                 "limit" => $limit,
 680                                 "view_mode" => $view_mode,
 681                                 "cat_view" => $is_cat,
 682                                 "search" => $search,
 683                                 "override_order" => $order,
 684                                 "offset" => $offset,
 685                                 "since_id" => $since_id,
 686                                 "include_children" => $include_nested,
 687                                 "check_top_id" => $check_top_id
 688                         );
 689
 690                         $qfh_ret = queryFeedHeadlines($params);
 691
 692                         $result = $qfh_ret[0];
 693                         $feed_title = $qfh_ret[1];
 694
 695                         $headlines = array();
 696
 697                         $headlines_header = array(
 698                                 'id' => $feed_id,
 699                                 'is_cat' => $is_cat);
 700
 701                         if (is_resource($result)) {
 702                                 while ($line = db_fetch_assoc($result)) {
 703                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 704                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 705                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
 706                                         }
 707
 708                                         $is_updated = ($line["last_read"] == "" &&
 709                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
 710
 711                                         $tags = explode(",", $line["tag_cache"]);
 712
 713                                         $label_cache = $line["label_cache"];
 714                                         $labels = false;
 715
 716                                         if ($label_cache) {
 717                                                 $label_cache = json_decode($label_cache, true);
 718
 719                                                 if ($label_cache) {
 720                                                         if ($label_cache["no-labels"] == 1)
 721                                                                 $labels = array();
 722                                                         else
 723                                                                 $labels = $label_cache;
 724                                                 }
 725                                         }
 726
 727                                         if (!is_array($labels)) $labels = get_article_labels($line["id"]);
 728
 729                                         //if (!$tags) $tags = get_article_tags($line["id"]);
 730                                         //if (!$labels) $labels = get_article_labels($line["id"]);
 731
 732                                         $headline_row = array(
 733                                                 "id" => (int)$line["id"],
 734                                                 "unread" => sql_bool_to_bool($line["unread"]),
 735                                                 "marked" => sql_bool_to_bool($line["marked"]),
 736                                                 "published" => sql_bool_to_bool($line["published"]),
 737                                                 "updated" => (int)strtotime($line["updated"]),
 738                                                 "is_updated" => $is_updated,
 739                                                 "title" => $line["title"],
 740                                                 "link" => $line["link"],
 741                                                 "feed_id" => $line["feed_id"],
 742                                                 "tags" => $tags,
 743                                         );
 744
 745                                         if ($include_attachments)
 746                                                 $headline_row['attachments'] = get_article_enclosures(
 747                                                         $line['id']);
 748
 749                                         if ($show_excerpt)
 750                                                 $headline_row["excerpt"] = $line["content_preview"];
 751
 752                                         if ($show_content) {
 753
 754                                                 if ($sanitize_content) {
 755                                                         $headline_row["content"] = sanitize(
 756                                                                 $line["content"],
 757                                                                 sql_bool_to_bool($line['hide_images']),
 758                                                                 false, $line["site_url"], false, $line["id"]);
 759                                                 } else {
 760                                                         $headline_row["content"] = $line["content"];
 761                                                 }
 762                                         }
 763
 764                                         // unify label output to ease parsing
 765                                         if ($labels["no-labels"] == 1) $labels = array();
 766
 767                                         $headline_row["labels"] = $labels;
 768
 769                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 770                                                 $feed_title;
 771
 772                                         $headline_row["comments_count"] = (int)$line["num_comments"];
 773                                         $headline_row["comments_link"] = $line["comments"];
 774
 775                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 776
 777                                         $headline_row["author"] = $line["author"];
 778
 779                                         $headline_row["score"] = (int)$line["score"];
 780                                         $headline_row["note"] = $line["note"];
 781                                         $headline_row["lang"] = $line["lang"];
 782
 783                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 784                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 785                                         }
 786
 787                                         array_push($headlines, $headline_row);
 788                                 }
 789                         } else if (is_numeric($result) && $result == -1) {
 790                                 $headlines_header['top_id_changed'] = true;
 791                         }
 792
 793                         return array($headlines, $headlines_header);
 794         }
 795
 796         function unsubscribeFeed() {
 797                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 798
 799                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 800                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 801
 802                 if ($this->dbh->num_rows($result) != 0) {
 803                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 804                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 805                 } else {
 806                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 807                 }
 808         }
 809
 810         function subscribeToFeed() {
 811                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 812                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 813                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 814                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 815
 816                 if ($feed_url) {
 817                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 818
 819                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 820                 } else {
 821                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 822                 }
 823         }
 824
 825         function getFeedTree() {
 826                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 827
 828                 $pf = new Pref_Feeds($_REQUEST);
 829
 830                 $_REQUEST['mode'] = 2;
 831                 $_REQUEST['force_show_empty'] = $include_empty;
 832
 833                 if ($pf){
 834                         $data = $pf->makefeedtree();
 835                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 836                 } else {
 837                         $this->wrap(self::STATUS_ERR, array("error" =>
 838                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 839                 }
 840
 841         }
 842
 843         // only works for labels or uncategorized for the time being
 844         private function isCategoryEmpty($id) {
 845
 846                 if ($id == -2) {
 847                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 848                                 WHERE owner_uid = " . $_SESSION["uid"]);
 849
 850                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 851
 852                 } else if ($id == 0) {
 853                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 854                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 855
 856                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 857
 858                 }
 859
 860                 return false;
 861         }
 862
 863
 864 }
 865
 866 ?>