classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 10;
   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
 206                         $_SESSION['hasSandbox'] = $has_sandbox;
 207
 208                         $override_order = false;
 209                         switch ($_REQUEST["order_by"]) {
 210                                 case "title":
 211                                         $override_order = "ttrss_entries.title";
 212                                         break;
 213                                 case "date_reverse":
 214                                         $override_order = "score DESC, date_entered, updated";
 215                                         break;
 216                                 case "feed_dates":
 217                                         $override_order = "updated DESC";
 218                                         break;
 219                         }
 220
 221                         /* do not rely on params below */
 222
 223                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 224                         $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 225
 226                         $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
 227                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 228                                 $include_attachments, $since_id, $search, $search_mode,
 229                                 $include_nested, $sanitize_content, $force_update);
 230
 231                         $this->wrap(self::STATUS_OK, $headlines);
 232                 } else {
 233                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 234                 }
 235         }
 236
 237         function updateArticle() {
 238                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 239                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 240                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 241                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 242
 243                 $field = "";
 244                 $set_to = "";
 245
 246                 switch ($field_raw) {
 247                         case 0:
 248                                 $field = "marked";
 249                                 $additional_fields = ",last_marked = NOW()";
 250                                 break;
 251                         case 1:
 252                                 $field = "published";
 253                                 $additional_fields = ",last_published = NOW()";
 254                                 break;
 255                         case 2:
 256                                 $field = "unread";
 257                                 $additional_fields = ",last_read = NOW()";
 258                                 break;
 259                         case 3:
 260                                 $field = "note";
 261                 };
 262
 263                 switch ($mode) {
 264                         case 1:
 265                                 $set_to = "true";
 266                                 break;
 267                         case 0:
 268                                 $set_to = "false";
 269                                 break;
 270                         case 2:
 271                                 $set_to = "NOT $field";
 272                                 break;
 273                 }
 274
 275                 if ($field == "note") $set_to = "'$data'";
 276
 277                 if ($field && $set_to && count($article_ids) > 0) {
 278
 279                         $article_ids = join(", ", $article_ids);
 280
 281                         $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"]);
 282
 283                         $num_updated = $this->dbh->affected_rows($result);
 284
 285                         if ($num_updated > 0 && $field == "unread") {
 286                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 287                                         WHERE ref_id IN ($article_ids)");
 288
 289                                 while ($line = $this->dbh->fetch_assoc($result)) {
 290                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 291                                 }
 292                         }
 293
 294                         if ($num_updated > 0 && $field == "published") {
 295                                 if (PUBSUBHUBBUB_HUB) {
 296                                         $rss_link = get_self_url_prefix() .
 297                                                 "/public.php?op=rss&id=-2&key=" .
 298                                                 get_feed_access_key(-2, false);
 299
 300                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 301                                         $pubsub_result = $p->publish_update($rss_link);
 302                                 }
 303                         }
 304
 305                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 306                                 "updated" => $num_updated));
 307
 308                 } else {
 309                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 310                 }
 311
 312         }
 313
 314         function getArticle() {
 315
 316                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 317
 318                 if ($article_id) {
 319
 320                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 321                                 marked,unread,published,score,note,lang,
 322                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 323                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
 324                                 FROM ttrss_entries,ttrss_user_entries
 325                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 326                                         $_SESSION["uid"] ;
 327
 328                         $result = $this->dbh->query($query);
 329
 330                         $articles = array();
 331
 332                         if ($this->dbh->num_rows($result) != 0) {
 333
 334                                 while ($line = $this->dbh->fetch_assoc($result)) {
 335
 336                                         $attachments = get_article_enclosures($line['id']);
 337
 338                                         $article = array(
 339                                                 "id" => $line["id"],
 340                                                 "title" => $line["title"],
 341                                                 "link" => $line["link"],
 342                                                 "labels" => get_article_labels($line['id']),
 343                                                 "unread" => sql_bool_to_bool($line["unread"]),
 344                                                 "marked" => sql_bool_to_bool($line["marked"]),
 345                                                 "published" => sql_bool_to_bool($line["published"]),
 346                                                 "comments" => $line["comments"],
 347                                                 "author" => $line["author"],
 348                                                 "updated" => (int) strtotime($line["updated"]),
 349                                                 "content" => $line["content"],
 350                                                 "feed_id" => $line["feed_id"],
 351                                                 "attachments" => $attachments,
 352                                                 "score" => (int)$line["score"],
 353                                                 "feed_title" => $line["feed_title"],
 354                                                 "note" => $line["note"],
 355                                                 "lang" => $line["lang"]
 356                                         );
 357
 358                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 359                                                 $article = $p->hook_render_article_api(array("article" => $article));
 360                                         }
 361
 362
 363                                         array_push($articles, $article);
 364
 365                                 }
 366                         }
 367
 368                         $this->wrap(self::STATUS_OK, $articles);
 369                 } else {
 370                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 371                 }
 372         }
 373
 374         function getConfig() {
 375                 $config = array(
 376                         "icons_dir" => ICONS_DIR,
 377                         "icons_url" => ICONS_URL);
 378
 379                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 380
 381                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 382                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 383
 384                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 385
 386                 $config["num_feeds"] = (int)$num_feeds;
 387
 388                 $this->wrap(self::STATUS_OK, $config);
 389         }
 390
 391         function updateFeed() {
 392                 require_once "include/rssfuncs.php";
 393
 394                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 395
 396                 update_rss_feed($feed_id, true);
 397
 398                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 399         }
 400
 401         function catchupFeed() {
 402                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 403                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 404
 405                 catchup_feed($feed_id, $is_cat);
 406
 407                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 408         }
 409
 410         function getPref() {
 411                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 412
 413                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 414         }
 415
 416         function getLabels() {
 417                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 418
 419                 $article_id = (int)$_REQUEST['article_id'];
 420
 421                 $rv = array();
 422
 423                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 424                         FROM ttrss_labels2
 425                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 426
 427                 if ($article_id)
 428                         $article_labels = get_article_labels($article_id);
 429                 else
 430                         $article_labels = array();
 431
 432                 while ($line = $this->dbh->fetch_assoc($result)) {
 433
 434                         $checked = false;
 435                         foreach ($article_labels as $al) {
 436                                 if (feed_to_label_id($al[0]) == $line['id']) {
 437                                         $checked = true;
 438                                         break;
 439                                 }
 440                         }
 441
 442                         array_push($rv, array(
 443                                 "id" => (int)label_to_feed_id($line['id']),
 444                                 "caption" => $line['caption'],
 445                                 "fg_color" => $line['fg_color'],
 446                                 "bg_color" => $line['bg_color'],
 447                                 "checked" => $checked));
 448                 }
 449
 450                 $this->wrap(self::STATUS_OK, $rv);
 451         }
 452
 453         function setArticleLabel() {
 454
 455                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 456                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 457                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 458
 459                 $label = $this->dbh->escape_string(label_find_caption(
 460                         feed_to_label_id($label_id), $_SESSION["uid"]));
 461
 462                 $num_updated = 0;
 463
 464                 if ($label) {
 465
 466                         foreach ($article_ids as $id) {
 467
 468                                 if ($assign)
 469                                         label_add_article($id, $label, $_SESSION["uid"]);
 470                                 else
 471                                         label_remove_article($id, $label, $_SESSION["uid"]);
 472
 473                                 ++$num_updated;
 474
 475                         }
 476                 }
 477
 478                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 479                         "updated" => $num_updated));
 480
 481         }
 482
 483         function index($method) {
 484                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 485
 486                 if ($plugin && method_exists($plugin, $method)) {
 487                         $reply = $plugin->$method();
 488
 489                         $this->wrap($reply[0], $reply[1]);
 490
 491                 } else {
 492                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 493                 }
 494         }
 495
 496         function shareToPublished() {
 497                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 498                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 499                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 500
 501                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 502                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 503                 } else {
 504                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 505                 }
 506         }
 507
 508         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 509
 510                         $feeds = array();
 511
 512                         /* Labels */
 513
 514                         if ($cat_id == -4 || $cat_id == -2) {
 515                                 $counters = getLabelCounters(true);
 516
 517                                 foreach (array_values($counters) as $cv) {
 518
 519                                         $unread = $cv["counter"];
 520
 521                                         if ($unread || !$unread_only) {
 522
 523                                                 $row = array(
 524                                                                 "id" => (int) $cv["id"],
 525                                                                 "title" => $cv["description"],
 526                                                                 "unread" => $cv["counter"],
 527                                                                 "cat_id" => -2,
 528                                                         );
 529
 530                                                 array_push($feeds, $row);
 531                                         }
 532                                 }
 533                         }
 534
 535                         /* Virtual feeds */
 536
 537                         if ($cat_id == -4 || $cat_id == -1) {
 538                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 539                                         $unread = getFeedUnread($i);
 540
 541                                         if ($unread || !$unread_only) {
 542                                                 $title = getFeedTitle($i);
 543
 544                                                 $row = array(
 545                                                                 "id" => $i,
 546                                                                 "title" => $title,
 547                                                                 "unread" => $unread,
 548                                                                 "cat_id" => -1,
 549                                                         );
 550                                                 array_push($feeds, $row);
 551                                         }
 552
 553                                 }
 554                         }
 555
 556                         /* Child cats */
 557
 558                         if ($include_nested && $cat_id) {
 559                                 $result = db_query("SELECT
 560                                         id, title FROM ttrss_feed_categories
 561                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 562                                 " ORDER BY id, title");
 563
 564                                 while ($line = db_fetch_assoc($result)) {
 565                                         $unread = getFeedUnread($line["id"], true) +
 566                                                 getCategoryChildrenUnread($line["id"]);
 567
 568                                         if ($unread || !$unread_only) {
 569                                                 $row = array(
 570                                                                 "id" => (int) $line["id"],
 571                                                                 "title" => $line["title"],
 572                                                                 "unread" => $unread,
 573                                                                 "is_cat" => true,
 574                                                         );
 575                                                 array_push($feeds, $row);
 576                                         }
 577                                 }
 578                         }
 579
 580                         /* Real feeds */
 581
 582                         if ($limit) {
 583                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 584                         } else {
 585                                 $limit_qpart = "";
 586                         }
 587
 588                         if ($cat_id == -4 || $cat_id == -3) {
 589                                 $result = db_query("SELECT
 590                                         id, feed_url, cat_id, title, order_id, ".
 591                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 592                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 593                                                 " ORDER BY cat_id, title " . $limit_qpart);
 594                         } else {
 595
 596                                 if ($cat_id)
 597                                         $cat_qpart = "cat_id = '$cat_id'";
 598                                 else
 599                                         $cat_qpart = "cat_id IS NULL";
 600
 601                                 $result = db_query("SELECT
 602                                         id, feed_url, cat_id, title, order_id, ".
 603                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 604                                                 FROM ttrss_feeds WHERE
 605                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 606                                                 " ORDER BY cat_id, title " . $limit_qpart);
 607                         }
 608
 609                         while ($line = db_fetch_assoc($result)) {
 610
 611                                 $unread = getFeedUnread($line["id"]);
 612
 613                                 $has_icon = feed_has_icon($line['id']);
 614
 615                                 if ($unread || !$unread_only) {
 616
 617                                         $row = array(
 618                                                         "feed_url" => $line["feed_url"],
 619                                                         "title" => $line["title"],
 620                                                         "id" => (int)$line["id"],
 621                                                         "unread" => (int)$unread,
 622                                                         "has_icon" => $has_icon,
 623                                                         "cat_id" => (int)$line["cat_id"],
 624                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 625                                                         "order_id" => (int) $line["order_id"],
 626                                                 );
 627
 628                                         array_push($feeds, $row);
 629                                 }
 630                         }
 631
 632                 return $feeds;
 633         }
 634
 635         static function api_get_headlines($feed_id, $limit, $offset,
 636                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 637                                 $include_attachments, $since_id,
 638                                 $search = "", $search_mode = "",
 639                                 $include_nested = false, $sanitize_content = true, $force_update = false) {
 640
 641                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 642                                 // Update the feed if required with some basic flood control
 643
 644                                 $result = db_query(
 645                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 646                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 647
 648                                 if (db_num_rows($result) != 0) {
 649                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 650                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 651
 652                                         if (!$cache_images && time() - $last_updated > 120) {
 653                                                 include "rssfuncs.php";
 654                                                 update_rss_feed($feed_id, true, true);
 655                                         } else {
 656                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 657                                                         WHERE id = '$feed_id'");
 658                                         }
 659                                 }
 660                         }
 661
 662                         $qfh_ret = queryFeedHeadlines($feed_id, $limit,
 663                                 $view_mode, $is_cat, $search, $search_mode,
 664                                 $order, $offset, 0, false, $since_id, $include_nested);
 665
 666                         $result = $qfh_ret[0];
 667                         $feed_title = $qfh_ret[1];
 668
 669                         $headlines = array();
 670
 671                         while ($line = db_fetch_assoc($result)) {
 672                                 $line["content_preview"] = truncate_string(strip_tags($line["content"]), 100);
 673                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 674                                         $line = $p->hook_query_headlines($line, 100, true);
 675                                 }
 676
 677                                 $is_updated = ($line["last_read"] == "" &&
 678                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 679
 680                                 $tags = explode(",", $line["tag_cache"]);
 681
 682                                 $label_cache = $line["label_cache"];
 683                                 $labels = false;
 684
 685                                 if ($label_cache) {
 686                                         $label_cache = json_decode($label_cache, true);
 687
 688                                         if ($label_cache) {
 689                                                 if ($label_cache["no-labels"] == 1)
 690                                                         $labels = array();
 691                                                 else
 692                                                         $labels = $label_cache;
 693                                         }
 694                                 }
 695
 696                                 if (!is_array($labels)) $labels = get_article_labels($line["id"]);
 697
 698                                 //if (!$tags) $tags = get_article_tags($line["id"]);
 699                                 //if (!$labels) $labels = get_article_labels($line["id"]);
 700
 701                                 $headline_row = array(
 702                                                 "id" => (int)$line["id"],
 703                                                 "unread" => sql_bool_to_bool($line["unread"]),
 704                                                 "marked" => sql_bool_to_bool($line["marked"]),
 705                                                 "published" => sql_bool_to_bool($line["published"]),
 706                                                 "updated" => (int) strtotime($line["updated"]),
 707                                                 "is_updated" => $is_updated,
 708                                                 "title" => $line["title"],
 709                                                 "link" => $line["link"],
 710                                                 "feed_id" => $line["feed_id"],
 711                                                 "tags" => $tags,
 712                                         );
 713
 714                                 if ($include_attachments)
 715                                         $headline_row['attachments'] = get_article_enclosures(
 716                                                 $line['id']);
 717
 718                                 if ($show_excerpt)
 719                                         $headline_row["excerpt"] = $line["content_preview"];
 720
 721                                 if ($show_content) {
 722
 723                                         if ($sanitize_content) {
 724                                                 $headline_row["content"] = sanitize(
 725                                                         $line["content"],
 726                                                         sql_bool_to_bool($line['hide_images']),
 727                                                         false, $line["site_url"], false, $line["id"]);
 728                                         } else {
 729                                                 $headline_row["content"] = $line["content"];
 730                                         }
 731                                 }
 732
 733                                 // unify label output to ease parsing
 734                                 if ($labels["no-labels"] == 1) $labels = array();
 735
 736                                 $headline_row["labels"] = $labels;
 737
 738                                 $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 739                                         $feed_title;
 740
 741                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 742                                 $headline_row["comments_link"] = $line["comments"];
 743
 744                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 745
 746                                 $headline_row["author"] = $line["author"];
 747
 748                                 $headline_row["score"] = (int)$line["score"];
 749                                 $headline_row["note"] = $line["note"];
 750                                 $headline_row["lang"] = $line["lang"];
 751
 752                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 753                                         $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 754                                 }
 755
 756                                 array_push($headlines, $headline_row);
 757                         }
 758
 759                         return $headlines;
 760         }
 761
 762         function unsubscribeFeed() {
 763                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 764
 765                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 766                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 767
 768                 if ($this->dbh->num_rows($result) != 0) {
 769                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 770                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 771                 } else {
 772                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 773                 }
 774         }
 775
 776         function subscribeToFeed() {
 777                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 778                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 779                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 780                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 781
 782                 if ($feed_url) {
 783                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 784
 785                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 786                 } else {
 787                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 788                 }
 789         }
 790
 791         function getFeedTree() {
 792                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 793
 794                 $pf = new Pref_Feeds($_REQUEST);
 795
 796                 $_REQUEST['mode'] = 2;
 797                 $_REQUEST['force_show_empty'] = $include_empty;
 798
 799                 if ($pf){
 800                         $data = $pf->makefeedtree();
 801                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 802                 } else {
 803                         $this->wrap(self::STATUS_ERR, array("error" =>
 804                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 805                 }
 806
 807         }
 808
 809         // only works for labels or uncategorized for the time being
 810         private function isCategoryEmpty($id) {
 811
 812                 if ($id == -2) {
 813                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 814                                 WHERE owner_uid = " . $_SESSION["uid"]);
 815
 816                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 817
 818                 } else if ($id == 0) {
 819                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 820                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 821
 822                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 823
 824                 }
 825
 826                 return false;
 827         }
 828
 829
 830 }
 831
 832 ?>