classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 13;
   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 ($feed_id != "") {
 186
 187                         if (is_numeric($feed_id)) $feed_id = (int) $feed_id;
 188
 189                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 190
 191                         if (!$limit || $limit >= 200) $limit = 200;
 192
 193                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
 194                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
 195                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 196                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 197                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 198                         /* all_articles, unread, adaptive, marked, updated */
 199                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
 200                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 201                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
 202                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 203                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 204                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 205                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
 206                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
 207                         $excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
 208                         $check_first_id = (int)$this->dbh->escape_string($_REQUEST["check_first_id"]);
 209                         $include_header = sql_bool_to_bool($_REQUEST["include_header"]);
 210
 211                         $_SESSION['hasSandbox'] = $has_sandbox;
 212
 213                         $skip_first_id_check = false;
 214
 215                         $override_order = false;
 216                         switch ($_REQUEST["order_by"]) {
 217                                 case "title":
 218                                         $override_order = "ttrss_entries.title";
 219                                         break;
 220                                 case "date_reverse":
 221                                         $override_order = "score DESC, date_entered, updated";
 222                                         $skip_first_id_check = true;
 223                                         break;
 224                                 case "feed_dates":
 225                                         $override_order = "updated DESC";
 226                                         break;
 227                         }
 228
 229                         /* do not rely on params below */
 230
 231                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 232
 233                         list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
 234                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 235                                 $include_attachments, $since_id, $search,
 236                                 $include_nested, $sanitize_content, $force_update, $excerpt_length, $check_first_id, $skip_first_id_check);
 237
 238                         if ($include_header) {
 239                                 $this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
 240                         } else {
 241                                 $this->wrap(self::STATUS_OK, $headlines);
 242                         }
 243                 } else {
 244                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 245                 }
 246         }
 247
 248         function updateArticle() {
 249                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 250                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 251                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 252                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 253
 254                 $field = "";
 255                 $set_to = "";
 256
 257                 switch ($field_raw) {
 258                         case 0:
 259                                 $field = "marked";
 260                                 $additional_fields = ",last_marked = NOW()";
 261                                 break;
 262                         case 1:
 263                                 $field = "published";
 264                                 $additional_fields = ",last_published = NOW()";
 265                                 break;
 266                         case 2:
 267                                 $field = "unread";
 268                                 $additional_fields = ",last_read = NOW()";
 269                                 break;
 270                         case 3:
 271                                 $field = "note";
 272                 };
 273
 274                 switch ($mode) {
 275                         case 1:
 276                                 $set_to = "true";
 277                                 break;
 278                         case 0:
 279                                 $set_to = "false";
 280                                 break;
 281                         case 2:
 282                                 $set_to = "NOT $field";
 283                                 break;
 284                 }
 285
 286                 if ($field == "note") $set_to = "'$data'";
 287
 288                 if ($field && $set_to && count($article_ids) > 0) {
 289
 290                         $article_ids = join(", ", $article_ids);
 291
 292                         $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"]);
 293
 294                         $num_updated = $this->dbh->affected_rows($result);
 295
 296                         if ($num_updated > 0 && $field == "unread") {
 297                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 298                                         WHERE ref_id IN ($article_ids)");
 299
 300                                 while ($line = $this->dbh->fetch_assoc($result)) {
 301                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 302                                 }
 303                         }
 304
 305                         if ($num_updated > 0 && $field == "published") {
 306                                 if (PUBSUBHUBBUB_HUB) {
 307                                         $rss_link = get_self_url_prefix() .
 308                                                 "/public.php?op=rss&id=-2&key=" .
 309                                                 get_feed_access_key(-2, false);
 310
 311                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 312                                         $pubsub_result = $p->publish_update($rss_link);
 313                                 }
 314                         }
 315
 316                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 317                                 "updated" => $num_updated));
 318
 319                 } else {
 320                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 321                 }
 322
 323         }
 324
 325         function getArticle() {
 326
 327                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 328                 $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 329                         sql_bool_to_bool($_REQUEST["sanitize"]);
 330
 331                 if ($article_id) {
 332
 333                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 334                                 marked,unread,published,score,note,lang,
 335                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 336                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
 337                                 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
 338                                 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
 339                                 FROM ttrss_entries,ttrss_user_entries
 340                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 341                                         $_SESSION["uid"] ;
 342
 343                         $result = $this->dbh->query($query);
 344
 345                         $articles = array();
 346
 347                         if ($this->dbh->num_rows($result) != 0) {
 348
 349                                 while ($line = $this->dbh->fetch_assoc($result)) {
 350
 351                                         $attachments = get_article_enclosures($line['id']);
 352
 353                                         $article = array(
 354                                                 "id" => $line["id"],
 355                                                 "title" => $line["title"],
 356                                                 "link" => $line["link"],
 357                                                 "labels" => get_article_labels($line['id']),
 358                                                 "unread" => sql_bool_to_bool($line["unread"]),
 359                                                 "marked" => sql_bool_to_bool($line["marked"]),
 360                                                 "published" => sql_bool_to_bool($line["published"]),
 361                                                 "comments" => $line["comments"],
 362                                                 "author" => $line["author"],
 363                                                 "updated" => (int) strtotime($line["updated"]),
 364                                                 "feed_id" => $line["feed_id"],
 365                                                 "attachments" => $attachments,
 366                                                 "score" => (int)$line["score"],
 367                                                 "feed_title" => $line["feed_title"],
 368                                                 "note" => $line["note"],
 369                                                 "lang" => $line["lang"]
 370                                         );
 371
 372                                         if ($sanitize_content) {
 373                                                 $article["content"] = sanitize(
 374                                                         $line["content"],
 375                                                         sql_bool_to_bool($line['hide_images']),
 376                                                         false, $line["site_url"], false, $line["id"]);
 377                                         } else {
 378                                                 $article["content"] = $line["content"];
 379                                         }
 380
 381                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 382                                                 $article = $p->hook_render_article_api(array("article" => $article));
 383                                         }
 384
 385
 386                                         array_push($articles, $article);
 387
 388                                 }
 389                         }
 390
 391                         $this->wrap(self::STATUS_OK, $articles);
 392                 } else {
 393                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 394                 }
 395         }
 396
 397         function getConfig() {
 398                 $config = array(
 399                         "icons_dir" => ICONS_DIR,
 400                         "icons_url" => ICONS_URL);
 401
 402                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 403
 404                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 405                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 406
 407                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 408
 409                 $config["num_feeds"] = (int)$num_feeds;
 410
 411                 $this->wrap(self::STATUS_OK, $config);
 412         }
 413
 414         function updateFeed() {
 415                 require_once "include/rssfuncs.php";
 416
 417                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 418
 419                 update_rss_feed($feed_id, true);
 420
 421                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 422         }
 423
 424         function catchupFeed() {
 425                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 426                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 427
 428                 catchup_feed($feed_id, $is_cat);
 429
 430                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 431         }
 432
 433         function getPref() {
 434                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 435
 436                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 437         }
 438
 439         function getLabels() {
 440                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 441
 442                 $article_id = (int)$_REQUEST['article_id'];
 443
 444                 $rv = array();
 445
 446                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 447                         FROM ttrss_labels2
 448                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 449
 450                 if ($article_id)
 451                         $article_labels = get_article_labels($article_id);
 452                 else
 453                         $article_labels = array();
 454
 455                 while ($line = $this->dbh->fetch_assoc($result)) {
 456
 457                         $checked = false;
 458                         foreach ($article_labels as $al) {
 459                                 if (feed_to_label_id($al[0]) == $line['id']) {
 460                                         $checked = true;
 461                                         break;
 462                                 }
 463                         }
 464
 465                         array_push($rv, array(
 466                                 "id" => (int)label_to_feed_id($line['id']),
 467                                 "caption" => $line['caption'],
 468                                 "fg_color" => $line['fg_color'],
 469                                 "bg_color" => $line['bg_color'],
 470                                 "checked" => $checked));
 471                 }
 472
 473                 $this->wrap(self::STATUS_OK, $rv);
 474         }
 475
 476         function setArticleLabel() {
 477
 478                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 479                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 480                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 481
 482                 $label = $this->dbh->escape_string(label_find_caption(
 483                         feed_to_label_id($label_id), $_SESSION["uid"]));
 484
 485                 $num_updated = 0;
 486
 487                 if ($label) {
 488
 489                         foreach ($article_ids as $id) {
 490
 491                                 if ($assign)
 492                                         label_add_article($id, $label, $_SESSION["uid"]);
 493                                 else
 494                                         label_remove_article($id, $label, $_SESSION["uid"]);
 495
 496                                 ++$num_updated;
 497
 498                         }
 499                 }
 500
 501                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 502                         "updated" => $num_updated));
 503
 504         }
 505
 506         function index($method) {
 507                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 508
 509                 if ($plugin && method_exists($plugin, $method)) {
 510                         $reply = $plugin->$method();
 511
 512                         $this->wrap($reply[0], $reply[1]);
 513
 514                 } else {
 515                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 516                 }
 517         }
 518
 519         function shareToPublished() {
 520                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 521                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 522                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 523
 524                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 525                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 526                 } else {
 527                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 528                 }
 529         }
 530
 531         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 532
 533                         $feeds = array();
 534
 535                         /* Labels */
 536
 537                         if ($cat_id == -4 || $cat_id == -2) {
 538                                 $counters = getLabelCounters(true);
 539
 540                                 foreach (array_values($counters) as $cv) {
 541
 542                                         $unread = $cv["counter"];
 543
 544                                         if ($unread || !$unread_only) {
 545
 546                                                 $row = array(
 547                                                                 "id" => (int) $cv["id"],
 548                                                                 "title" => $cv["description"],
 549                                                                 "unread" => $cv["counter"],
 550                                                                 "cat_id" => -2,
 551                                                         );
 552
 553                                                 array_push($feeds, $row);
 554                                         }
 555                                 }
 556                         }
 557
 558                         /* Virtual feeds */
 559
 560                         if ($cat_id == -4 || $cat_id == -1) {
 561                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 562                                         $unread = getFeedUnread($i);
 563
 564                                         if ($unread || !$unread_only) {
 565                                                 $title = getFeedTitle($i);
 566
 567                                                 $row = array(
 568                                                                 "id" => $i,
 569                                                                 "title" => $title,
 570                                                                 "unread" => $unread,
 571                                                                 "cat_id" => -1,
 572                                                         );
 573                                                 array_push($feeds, $row);
 574                                         }
 575
 576                                 }
 577                         }
 578
 579                         /* Child cats */
 580
 581                         if ($include_nested && $cat_id) {
 582                                 $result = db_query("SELECT
 583                                         id, title FROM ttrss_feed_categories
 584                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 585                                 " ORDER BY id, title");
 586
 587                                 while ($line = db_fetch_assoc($result)) {
 588                                         $unread = getFeedUnread($line["id"], true) +
 589                                                 getCategoryChildrenUnread($line["id"]);
 590
 591                                         if ($unread || !$unread_only) {
 592                                                 $row = array(
 593                                                                 "id" => (int) $line["id"],
 594                                                                 "title" => $line["title"],
 595                                                                 "unread" => $unread,
 596                                                                 "is_cat" => true,
 597                                                         );
 598                                                 array_push($feeds, $row);
 599                                         }
 600                                 }
 601                         }
 602
 603                         /* Real feeds */
 604
 605                         if ($limit) {
 606                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 607                         } else {
 608                                 $limit_qpart = "";
 609                         }
 610
 611                         if ($cat_id == -4 || $cat_id == -3) {
 612                                 $result = db_query("SELECT
 613                                         id, feed_url, cat_id, title, order_id, ".
 614                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 615                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 616                                                 " ORDER BY cat_id, title " . $limit_qpart);
 617                         } else {
 618
 619                                 if ($cat_id)
 620                                         $cat_qpart = "cat_id = '$cat_id'";
 621                                 else
 622                                         $cat_qpart = "cat_id IS NULL";
 623
 624                                 $result = db_query("SELECT
 625                                         id, feed_url, cat_id, title, order_id, ".
 626                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 627                                                 FROM ttrss_feeds WHERE
 628                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 629                                                 " ORDER BY cat_id, title " . $limit_qpart);
 630                         }
 631
 632                         while ($line = db_fetch_assoc($result)) {
 633
 634                                 $unread = getFeedUnread($line["id"]);
 635
 636                                 $has_icon = feed_has_icon($line['id']);
 637
 638                                 if ($unread || !$unread_only) {
 639
 640                                         $row = array(
 641                                                         "feed_url" => $line["feed_url"],
 642                                                         "title" => $line["title"],
 643                                                         "id" => (int)$line["id"],
 644                                                         "unread" => (int)$unread,
 645                                                         "has_icon" => $has_icon,
 646                                                         "cat_id" => (int)$line["cat_id"],
 647                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 648                                                         "order_id" => (int) $line["order_id"],
 649                                                 );
 650
 651                                         array_push($feeds, $row);
 652                                 }
 653                         }
 654
 655                 return $feeds;
 656         }
 657
 658         static function api_get_headlines($feed_id, $limit, $offset,
 659                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 660                                 $include_attachments, $since_id,
 661                                 $search = "", $include_nested = false, $sanitize_content = true,
 662                                 $force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
 663
 664                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 665                                 // Update the feed if required with some basic flood control
 666
 667                                 $result = db_query(
 668                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 669                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 670
 671                                 if (db_num_rows($result) != 0) {
 672                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 673                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 674
 675                                         if (!$cache_images && time() - $last_updated > 120) {
 676                                                 include "rssfuncs.php";
 677                                                 update_rss_feed($feed_id, true, true);
 678                                         } else {
 679                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 680                                                         WHERE id = '$feed_id'");
 681                                         }
 682                                 }
 683                         }
 684
 685                         /*$qfh_ret = queryFeedHeadlines($feed_id, $limit,
 686                                 $view_mode, $is_cat, $search, false,
 687                                 $order, $offset, 0, false, $since_id, $include_nested);*/
 688
 689                         //function queryFeedHeadlines($feed, $limit,
 690                         // $view_mode, $cat_view, $search, $search_mode,
 691                         // $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false,
 692                         // $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false, $start_ts = false, $check_top_id = false) {
 693
 694                         $params = array(
 695                                 "feed" => $feed_id,
 696                                 "limit" => $limit,
 697                                 "view_mode" => $view_mode,
 698                                 "cat_view" => $is_cat,
 699                                 "search" => $search,
 700                                 "override_order" => $order,
 701                                 "offset" => $offset,
 702                                 "since_id" => $since_id,
 703                                 "include_children" => $include_nested,
 704                                 "check_first_id" => $check_first_id,
 705                                 "skip_first_id_check" => $skip_first_id_check
 706                         );
 707
 708                         $qfh_ret = queryFeedHeadlines($params);
 709
 710                         $result = $qfh_ret[0];
 711                         $feed_title = $qfh_ret[1];
 712                         $first_id = $qfh_ret[6];
 713
 714                         $headlines = array();
 715
 716                         $headlines_header = array(
 717                                 'id' => $feed_id,
 718                                 'first_id' => $first_id,
 719                                 'is_cat' => $is_cat);
 720
 721                         if (!is_numeric($result)) {
 722                                 while ($line = db_fetch_assoc($result)) {
 723                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 724                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 725                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
 726                                         }
 727
 728                                         $is_updated = ($line["last_read"] == "" &&
 729                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
 730
 731                                         $tags = explode(",", $line["tag_cache"]);
 732
 733                                         $label_cache = $line["label_cache"];
 734                                         $labels = false;
 735
 736                                         if ($label_cache) {
 737                                                 $label_cache = json_decode($label_cache, true);
 738
 739                                                 if ($label_cache) {
 740                                                         if ($label_cache["no-labels"] == 1)
 741                                                                 $labels = array();
 742                                                         else
 743                                                                 $labels = $label_cache;
 744                                                 }
 745                                         }
 746
 747                                         if (!is_array($labels)) $labels = get_article_labels($line["id"]);
 748
 749                                         //if (!$tags) $tags = get_article_tags($line["id"]);
 750                                         //if (!$labels) $labels = get_article_labels($line["id"]);
 751
 752                                         $headline_row = array(
 753                                                 "id" => (int)$line["id"],
 754                                                 "unread" => sql_bool_to_bool($line["unread"]),
 755                                                 "marked" => sql_bool_to_bool($line["marked"]),
 756                                                 "published" => sql_bool_to_bool($line["published"]),
 757                                                 "updated" => (int)strtotime($line["updated"]),
 758                                                 "is_updated" => $is_updated,
 759                                                 "title" => $line["title"],
 760                                                 "link" => $line["link"],
 761                                                 "feed_id" => $line["feed_id"],
 762                                                 "tags" => $tags,
 763                                         );
 764
 765                                         if ($include_attachments)
 766                                                 $headline_row['attachments'] = get_article_enclosures(
 767                                                         $line['id']);
 768
 769                                         if ($show_excerpt)
 770                                                 $headline_row["excerpt"] = $line["content_preview"];
 771
 772                                         if ($show_content) {
 773
 774                                                 if ($sanitize_content) {
 775                                                         $headline_row["content"] = sanitize(
 776                                                                 $line["content"],
 777                                                                 sql_bool_to_bool($line['hide_images']),
 778                                                                 false, $line["site_url"], false, $line["id"]);
 779                                                 } else {
 780                                                         $headline_row["content"] = $line["content"];
 781                                                 }
 782                                         }
 783
 784                                         // unify label output to ease parsing
 785                                         if ($labels["no-labels"] == 1) $labels = array();
 786
 787                                         $headline_row["labels"] = $labels;
 788
 789                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 790                                                 $feed_title;
 791
 792                                         $headline_row["comments_count"] = (int)$line["num_comments"];
 793                                         $headline_row["comments_link"] = $line["comments"];
 794
 795                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 796
 797                                         $headline_row["author"] = $line["author"];
 798
 799                                         $headline_row["score"] = (int)$line["score"];
 800                                         $headline_row["note"] = $line["note"];
 801                                         $headline_row["lang"] = $line["lang"];
 802
 803                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 804                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 805                                         }
 806
 807                                         array_push($headlines, $headline_row);
 808                                 }
 809                         } else if (is_numeric($result) && $result == -1) {
 810                                 $headlines_header['first_id_changed'] = true;
 811                         }
 812
 813                         return array($headlines, $headlines_header);
 814         }
 815
 816         function unsubscribeFeed() {
 817                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 818
 819                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 820                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 821
 822                 if ($this->dbh->num_rows($result) != 0) {
 823                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 824                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 825                 } else {
 826                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 827                 }
 828         }
 829
 830         function subscribeToFeed() {
 831                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 832                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 833                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 834                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 835
 836                 if ($feed_url) {
 837                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 838
 839                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 840                 } else {
 841                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 842                 }
 843         }
 844
 845         function getFeedTree() {
 846                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 847
 848                 $pf = new Pref_Feeds($_REQUEST);
 849
 850                 $_REQUEST['mode'] = 2;
 851                 $_REQUEST['force_show_empty'] = $include_empty;
 852
 853                 if ($pf){
 854                         $data = $pf->makefeedtree();
 855                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 856                 } else {
 857                         $this->wrap(self::STATUS_ERR, array("error" =>
 858                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 859                 }
 860
 861         }
 862
 863         // only works for labels or uncategorized for the time being
 864         private function isCategoryEmpty($id) {
 865
 866                 if ($id == -2) {
 867                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 868                                 WHERE owner_uid = " . $_SESSION["uid"]);
 869
 870                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 871
 872                 } else if ($id == 0) {
 873                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 874                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 875
 876                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 877
 878                 }
 879
 880                 return false;
 881         }
 882
 883
 884 }
 885
 886 ?>