classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 5;
   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                                 print $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  18                                 return false;
  19                         }
  20
  21                         if ($_SESSION["uid"] && $method != "logout" && !get_pref($this->link, 'ENABLE_API_ACCESS')) {
  22                                 print $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                 print $this->wrap(self::STATUS_OK, $rv);
  42         }
  43
  44         function getApiLevel() {
  45                 $rv = array("level" => self::API_LEVEL);
  46                 print $this->wrap(self::STATUS_OK, $rv);
  47         }
  48
  49         function login() {
  50                 @session_destroy();
  51                 @session_start();
  52
  53                 $login = db_escape_string($this->link, $_REQUEST["user"]);
  54                 $password = $_REQUEST["password"];
  55                 $password_base64 = base64_decode($_REQUEST["password"]);
  56
  57                 if (SINGLE_USER_MODE) $login = "admin";
  58
  59                 $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
  60
  61                 if (db_num_rows($result) != 0) {
  62                         $uid = db_fetch_result($result, 0, "id");
  63                 } else {
  64                         $uid = 0;
  65                 }
  66
  67                 if (!$uid) {
  68                         print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  69                         return;
  70                 }
  71
  72                 if (get_pref($this->link, "ENABLE_API_ACCESS", $uid)) {
  73                         if (authenticate_user($this->link, $login, $password)) {               // try login with normal password
  74                                 print $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  75                                         "api_level" => self::API_LEVEL));
  76                         } else if (authenticate_user($this->link, $login, $password_base64)) { // else try with base64_decoded password
  77                                 print $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                                 print $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  81                         }
  82                 } else {
  83                         print $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  84                 }
  85
  86         }
  87
  88         function logout() {
  89                 logout_user();
  90                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
  91         }
  92
  93         function isLoggedIn() {
  94                 print $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
  95         }
  96
  97         function getUnread() {
  98                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
  99                 $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
 100
 101                 if ($feed_id) {
 102                         print $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($this->link, $feed_id, $is_cat)));
 103                 } else {
 104                         print $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread($this->link)));
 105                 }
 106         }
 107
 108         /* Method added for ttrss-reader for Android */
 109         function getCounters() {
 110                 print $this->wrap(self::STATUS_OK, getAllCounters($this->link));
 111         }
 112
 113         function getFeeds() {
 114                 $cat_id = db_escape_string($this->link, $_REQUEST["cat_id"]);
 115                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 116                 $limit = (int) db_escape_string($this->link, $_REQUEST["limit"]);
 117                 $offset = (int) db_escape_string($this->link, $_REQUEST["offset"]);
 118                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 119
 120                 $feeds = $this->api_get_feeds($this->link, $cat_id, $unread_only, $limit, $offset, $include_nested);
 121
 122                 print $this->wrap(self::STATUS_OK, $feeds);
 123         }
 124
 125         function getCategories() {
 126                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 127                 $enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
 128                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 129
 130                 // TODO do not return empty categories, return Uncategorized and standard virtual cats
 131
 132                 if ($enable_nested)
 133                         $nested_qpart = "parent_cat IS NULL";
 134                 else
 135                         $nested_qpart = "true";
 136
 137                 $result = db_query($this->link, "SELECT
 138                                 id, title, order_id, (SELECT COUNT(id) FROM
 139                                 ttrss_feeds WHERE
 140                                 ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
 141                         (SELECT COUNT(id) FROM
 142                                 ttrss_feed_categories AS c2 WHERE
 143                                 c2.parent_cat = ttrss_feed_categories.id) AS num_cats
 144                         FROM ttrss_feed_categories
 145                         WHERE $nested_qpart AND owner_uid = " .
 146                         $_SESSION["uid"]);
 147
 148                 $cats = array();
 149
 150                 while ($line = db_fetch_assoc($result)) {
 151                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 152                                 $unread = getFeedUnread($this->link, $line["id"], true);
 153
 154                                 if ($enable_nested)
 155                                         $unread += getCategoryChildrenUnread($this->link, $line["id"]);
 156
 157                                 if ($unread || !$unread_only) {
 158                                         array_push($cats, array("id" => $line["id"],
 159                                                 "title" => $line["title"],
 160                                                 "unread" => $unread,
 161                                                 "order_id" => (int) $line["order_id"],
 162                                         ));
 163                                 }
 164                         }
 165                 }
 166
 167                 foreach (array(-2,-1,0) as $cat_id) {
 168                         if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
 169                                 $unread = getFeedUnread($this->link, $cat_id, true);
 170
 171                                 if ($unread || !$unread_only) {
 172                                         array_push($cats, array("id" => $cat_id,
 173                                                 "title" => getCategoryTitle($this->link, $cat_id),
 174                                                 "unread" => $unread));
 175                                 }
 176                         }
 177                 }
 178
 179                 print $this->wrap(self::STATUS_OK, $cats);
 180         }
 181
 182         function getHeadlines() {
 183                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
 184                 if ($feed_id != "") {
 185
 186                         $limit = (int)db_escape_string($this->link, $_REQUEST["limit"]);
 187
 188                         if (!$limit || $limit >= 60) $limit = 60;
 189
 190                         $offset = (int)db_escape_string($this->link, $_REQUEST["skip"]);
 191                         $filter = db_escape_string($this->link, $_REQUEST["filter"]);
 192                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 193                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 194                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 195                         /* all_articles, unread, adaptive, marked, updated */
 196                         $view_mode = db_escape_string($this->link, $_REQUEST["view_mode"]);
 197                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 198                         $since_id = (int)db_escape_string($this->link, $_REQUEST["since_id"]);
 199                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 200                         $sanitize_content = true;
 201
 202                         /* do not rely on params below */
 203
 204                         $search = db_escape_string($this->link, $_REQUEST["search"]);
 205                         $search_mode = db_escape_string($this->link, $_REQUEST["search_mode"]);
 206
 207                         $headlines = $this->api_get_headlines($this->link, $feed_id, $limit, $offset,
 208                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, false,
 209                                 $include_attachments, $since_id, $search, $search_mode,
 210                                 $include_nested, $sanitize_content);
 211
 212                         print $this->wrap(self::STATUS_OK, $headlines);
 213                 } else {
 214                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 215                 }
 216         }
 217
 218         function updateArticle() {
 219                 $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 220                 $mode = (int) db_escape_string($this->link, $_REQUEST["mode"]);
 221                 $data = db_escape_string($this->link, $_REQUEST["data"]);
 222                 $field_raw = (int)db_escape_string($this->link, $_REQUEST["field"]);
 223
 224                 $field = "";
 225                 $set_to = "";
 226
 227                 switch ($field_raw) {
 228                         case 0:
 229                                 $field = "marked";
 230                                 $additional_fields = ",last_marked = NOW()";
 231                                 break;
 232                         case 1:
 233                                 $field = "published";
 234                                 $additional_fields = ",last_published = NOW()";
 235                                 break;
 236                         case 2:
 237                                 $field = "unread";
 238                                 $additional_fields = ",last_read = NOW()";
 239                                 break;
 240                         case 3:
 241                                 $field = "note";
 242                 };
 243
 244                 switch ($mode) {
 245                         case 1:
 246                                 $set_to = "true";
 247                                 break;
 248                         case 0:
 249                                 $set_to = "false";
 250                                 break;
 251                         case 2:
 252                                 $set_to = "NOT $field";
 253                                 break;
 254                 }
 255
 256                 if ($field == "note") $set_to = "'$data'";
 257
 258                 if ($field && $set_to && count($article_ids) > 0) {
 259
 260                         $article_ids = join(", ", $article_ids);
 261
 262                         $result = db_query($this->link, "UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 263
 264                         $num_updated = db_affected_rows($this->link, $result);
 265
 266                         if ($num_updated > 0 && $field == "unread") {
 267                                 $result = db_query($this->link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
 268                                         WHERE ref_id IN ($article_ids)");
 269
 270                                 while ($line = db_fetch_assoc($result)) {
 271                                         ccache_update($this->link, $line["feed_id"], $_SESSION["uid"]);
 272                                 }
 273                         }
 274
 275                         if ($num_updated > 0 && $field == "published") {
 276                                 if (PUBSUBHUBBUB_HUB) {
 277                                         $rss_link = get_self_url_prefix() .
 278                                                 "/public.php?op=rss&id=-2&key=" .
 279                                                 get_feed_access_key($this->link, -2, false);
 280
 281                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 282                                         $pubsub_result = $p->publish_update($rss_link);
 283                                 }
 284                         }
 285
 286                         print $this->wrap(self::STATUS_OK, array("status" => "OK",
 287                                 "updated" => $num_updated));
 288
 289                 } else {
 290                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 291                 }
 292
 293         }
 294
 295         function getArticle() {
 296
 297                 $article_id = join(",", array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_id"])), is_numeric));
 298
 299                 $query = "SELECT id,title,link,content,cached_content,feed_id,comments,int_id,
 300                         marked,unread,published,
 301                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 302                         author
 303                         FROM ttrss_entries,ttrss_user_entries
 304                         WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 305                                 $_SESSION["uid"] ;
 306
 307                 $result = db_query($this->link, $query);
 308
 309                 $articles = array();
 310
 311                 if (db_num_rows($result) != 0) {
 312
 313                         while ($line = db_fetch_assoc($result)) {
 314
 315                                 $attachments = get_article_enclosures($this->link, $line['id']);
 316
 317                                 $article = array(
 318                                         "id" => $line["id"],
 319                                         "title" => $line["title"],
 320                                         "link" => $line["link"],
 321                                         "labels" => get_article_labels($this->link, $line['id']),
 322                                         "unread" => sql_bool_to_bool($line["unread"]),
 323                                         "marked" => sql_bool_to_bool($line["marked"]),
 324                                         "published" => sql_bool_to_bool($line["published"]),
 325                                         "comments" => $line["comments"],
 326                                         "author" => $line["author"],
 327                                         "updated" => (int) strtotime($line["updated"]),
 328                                         "content" => $line["cached_content"] != "" ? $line["cached_content"] : $line["content"],
 329                                         "feed_id" => $line["feed_id"],
 330                                         "attachments" => $attachments
 331                                 );
 332
 333                                 array_push($articles, $article);
 334
 335                         }
 336                 }
 337
 338                 print $this->wrap(self::STATUS_OK, $articles);
 339
 340         }
 341
 342         function getConfig() {
 343                 $config = array(
 344                         "icons_dir" => ICONS_DIR,
 345                         "icons_url" => ICONS_URL);
 346
 347                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 348
 349                 $result = db_query($this->link, "SELECT COUNT(*) AS cf FROM
 350                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 351
 352                 $num_feeds = db_fetch_result($result, 0, "cf");
 353
 354                 $config["num_feeds"] = (int)$num_feeds;
 355
 356                 print $this->wrap(self::STATUS_OK, $config);
 357         }
 358
 359         function updateFeed() {
 360                 require_once "include/rssfuncs.php";
 361
 362                 $feed_id = (int) db_escape_string($this->link, $_REQUEST["feed_id"]);
 363
 364                 update_rss_feed($this->link, $feed_id, true);
 365
 366                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 367         }
 368
 369         function catchupFeed() {
 370                 $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
 371                 $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
 372
 373                 catchup_feed($this->link, $feed_id, $is_cat);
 374
 375                 print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 376         }
 377
 378         function getPref() {
 379                 $pref_name = db_escape_string($this->link, $_REQUEST["pref_name"]);
 380
 381                 print $this->wrap(self::STATUS_OK, array("value" => get_pref($this->link, $pref_name)));
 382         }
 383
 384         function getLabels() {
 385                 //$article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 386
 387                 $article_id = (int)$_REQUEST['article_id'];
 388
 389                 $rv = array();
 390
 391                 $result = db_query($this->link, "SELECT id, caption, fg_color, bg_color
 392                         FROM ttrss_labels2
 393                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 394
 395                 if ($article_id)
 396                         $article_labels = get_article_labels($this->link, $article_id);
 397                 else
 398                         $article_labels = array();
 399
 400                 while ($line = db_fetch_assoc($result)) {
 401
 402                         $checked = false;
 403                         foreach ($article_labels as $al) {
 404                                 if ($al[0] == $line['id']) {
 405                                         $checked = true;
 406                                         break;
 407                                 }
 408                         }
 409
 410                         array_push($rv, array(
 411                                 "id" => (int)$line['id'],
 412                                 "caption" => $line['caption'],
 413                                 "fg_color" => $line['fg_color'],
 414                                 "bg_color" => $line['bg_color'],
 415                                 "checked" => $checked));
 416                 }
 417
 418                 print $this->wrap(self::STATUS_OK, $rv);
 419         }
 420
 421         function setArticleLabel() {
 422
 423                 $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
 424                 $label_id = (int) db_escape_string($this->link, $_REQUEST['label_id']);
 425                 $assign = (bool) db_escape_string($this->link, $_REQUEST['assign']) == "true";
 426
 427                 $label = db_escape_string($this->link, label_find_caption($this->link,
 428                         $label_id, $_SESSION["uid"]));
 429
 430                 $num_updated = 0;
 431
 432                 if ($label) {
 433
 434                         foreach ($article_ids as $id) {
 435
 436                                 if ($assign)
 437                                         label_add_article($this->link, $id, $label, $_SESSION["uid"]);
 438                                 else
 439                                         label_remove_article($this->link, $id, $label, $_SESSION["uid"]);
 440
 441                                 ++$num_updated;
 442
 443                         }
 444                 }
 445
 446                 print $this->wrap(self::STATUS_OK, array("status" => "OK",
 447                         "updated" => $num_updated));
 448
 449         }
 450
 451         function index() {
 452                 print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD'));
 453         }
 454
 455         function shareToPublished() {
 456                 $title = db_escape_string($this->link, strip_tags($_REQUEST["title"]));
 457                 $url = db_escape_string($this->link, strip_tags($_REQUEST["url"]));
 458                 $content = db_escape_string($this->link, strip_tags($_REQUEST["content"]));
 459
 460                 if (Article::create_published_article($this->link, $title, $url, $content, "", $_SESSION["uid"])) {
 461                         print $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 462                 } else {
 463                         print $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 464                 }
 465         }
 466
 467         static function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 468
 469                         $feeds = array();
 470
 471                         /* Labels */
 472
 473                         if ($cat_id == -4 || $cat_id == -2) {
 474                                 $counters = getLabelCounters($link, true);
 475
 476                                 foreach (array_values($counters) as $cv) {
 477
 478                                         $unread = $cv["counter"];
 479
 480                                         if ($unread || !$unread_only) {
 481
 482                                                 $row = array(
 483                                                                 "id" => $cv["id"],
 484                                                                 "title" => $cv["description"],
 485                                                                 "unread" => $cv["counter"],
 486                                                                 "cat_id" => -2,
 487                                                         );
 488
 489                                                 array_push($feeds, $row);
 490                                         }
 491                                 }
 492                         }
 493
 494                         /* Virtual feeds */
 495
 496                         if ($cat_id == -4 || $cat_id == -1) {
 497                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 498                                         $unread = getFeedUnread($link, $i);
 499
 500                                         if ($unread || !$unread_only) {
 501                                                 $title = getFeedTitle($link, $i);
 502
 503                                                 $row = array(
 504                                                                 "id" => $i,
 505                                                                 "title" => $title,
 506                                                                 "unread" => $unread,
 507                                                                 "cat_id" => -1,
 508                                                         );
 509                                                 array_push($feeds, $row);
 510                                         }
 511
 512                                 }
 513                         }
 514
 515                         /* Child cats */
 516
 517                         if ($include_nested && $cat_id) {
 518                                 $result = db_query($link, "SELECT
 519                                         id, title FROM ttrss_feed_categories
 520                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 521                                 " ORDER BY id, title");
 522
 523                                 while ($line = db_fetch_assoc($result)) {
 524                                         $unread = getFeedUnread($link, $line["id"], true) +
 525                                                 getCategoryChildrenUnread($link, $line["id"]);
 526
 527                                         if ($unread || !$unread_only) {
 528                                                 $row = array(
 529                                                                 "id" => $line["id"],
 530                                                                 "title" => $line["title"],
 531                                                                 "unread" => $unread,
 532                                                                 "is_cat" => true,
 533                                                         );
 534                                                 array_push($feeds, $row);
 535                                         }
 536                                 }
 537                         }
 538
 539                         /* Real feeds */
 540
 541                         if ($limit) {
 542                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 543                         } else {
 544                                 $limit_qpart = "";
 545                         }
 546
 547                         if ($cat_id == -4 || $cat_id == -3) {
 548                                 $result = db_query($link, "SELECT
 549                                         id, feed_url, cat_id, title, order_id, ".
 550                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 551                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 552                                                 " ORDER BY cat_id, title " . $limit_qpart);
 553                         } else {
 554
 555                                 if ($cat_id)
 556                                         $cat_qpart = "cat_id = '$cat_id'";
 557                                 else
 558                                         $cat_qpart = "cat_id IS NULL";
 559
 560                                 $result = db_query($link, "SELECT
 561                                         id, feed_url, cat_id, title, order_id, ".
 562                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 563                                                 FROM ttrss_feeds WHERE
 564                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 565                                                 " ORDER BY cat_id, title " . $limit_qpart);
 566                         }
 567
 568                         while ($line = db_fetch_assoc($result)) {
 569
 570                                 $unread = getFeedUnread($link, $line["id"]);
 571
 572                                 $has_icon = feed_has_icon($line['id']);
 573
 574                                 if ($unread || !$unread_only) {
 575
 576                                         $row = array(
 577                                                         "feed_url" => $line["feed_url"],
 578                                                         "title" => $line["title"],
 579                                                         "id" => (int)$line["id"],
 580                                                         "unread" => (int)$unread,
 581                                                         "has_icon" => $has_icon,
 582                                                         "cat_id" => (int)$line["cat_id"],
 583                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 584                                                         "order_id" => (int) $line["order_id"],
 585                                                 );
 586
 587                                         array_push($feeds, $row);
 588                                 }
 589                         }
 590
 591                 return $feeds;
 592         }
 593
 594         static function api_get_headlines($link, $feed_id, $limit, $offset,
 595                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 596                                 $include_attachments, $since_id,
 597                                 $search = "", $search_mode = "",
 598                                 $include_nested = false, $sanitize_content = true) {
 599
 600                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 601                                 $view_mode, $is_cat, $search, $search_mode,
 602                                 $order, $offset, 0, false, $since_id, $include_nested);
 603
 604                         $result = $qfh_ret[0];
 605                         $feed_title = $qfh_ret[1];
 606
 607                         $headlines = array();
 608
 609                         while ($line = db_fetch_assoc($result)) {
 610                                 $is_updated = ($line["last_read"] == "" &&
 611                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 612
 613                                 $tags = explode(",", $line["tag_cache"]);
 614                                 $labels = json_decode($line["label_cache"], true);
 615
 616                                 //if (!$tags) $tags = get_article_tags($link, $line["id"]);
 617                                 //if (!$labels) $labels = get_article_labels($link, $line["id"]);
 618
 619                                 $headline_row = array(
 620                                                 "id" => (int)$line["id"],
 621                                                 "unread" => sql_bool_to_bool($line["unread"]),
 622                                                 "marked" => sql_bool_to_bool($line["marked"]),
 623                                                 "published" => sql_bool_to_bool($line["published"]),
 624                                                 "updated" => (int) strtotime($line["updated"]),
 625                                                 "is_updated" => $is_updated,
 626                                                 "title" => $line["title"],
 627                                                 "link" => $line["link"],
 628                                                 "feed_id" => $line["feed_id"],
 629                                                 "tags" => $tags,
 630                                         );
 631
 632                                         if ($include_attachments)
 633                                                 $headline_row['attachments'] = get_article_enclosures($link,
 634                                                         $line['id']);
 635
 636                                 if ($show_excerpt) {
 637                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
 638                                         $headline_row["excerpt"] = $excerpt;
 639                                 }
 640
 641                                 if ($show_content) {
 642
 643                                         if ($line["cached_content"] != "") {
 644                                                 $line["content_preview"] =& $line["cached_content"];
 645                                         }
 646
 647                                         if ($sanitize_content) {
 648                                                 $headline_row["content"] = sanitize($link,
 649                                                         $line["content_preview"],
 650                                                         sql_bool_to_bool($line['hide_images']),
 651                                                         false, $line["site_url"]);
 652                                         } else {
 653                                                 $headline_row["content"] = $line["content_preview"];
 654                                         }
 655                                 }
 656
 657                                 // unify label output to ease parsing
 658                                 if ($labels["no-labels"] == 1) $labels = array();
 659
 660                                 $headline_row["labels"] = $labels;
 661
 662                                 $headline_row["feed_title"] = $line["feed_title"];
 663
 664                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 665                                 $headline_row["comments_link"] = $line["comments"];
 666
 667                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 668
 669                                 $headline_row["author"] = $line["author"];
 670
 671                                 global $pluginhost;
 672                                 foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE_API) as $p) {
 673                                         $headline_row = $p->hook_render_article_api($headline_row);
 674                                 }
 675
 676                                 array_push($headlines, $headline_row);
 677                         }
 678
 679                         return $headlines;
 680         }
 681
 682         function unsubscribeFeed() {
 683                 $feed_id = (int) db_escape_string($this->link, $_REQUEST["feed_id"]);
 684
 685                 $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 686                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 687
 688                 if (db_num_rows($result) != 0) {
 689                         Pref_Feeds::remove_feed($this->link, $feed_id, $_SESSION["uid"]);
 690                         print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 691                 } else {
 692                         print $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 693                 }
 694         }
 695
 696         function subscribeToFeed() {
 697                 $feed_url = db_escape_string($this->link, $_REQUEST["feed_url"]);
 698                 $category_id = (int) db_escape_string($this->link, $_REQUEST["category_id"]);
 699                 $login = db_escape_string($this->link, $_REQUEST["login"]);
 700                 $password = db_escape_string($this->link, $_REQUEST["password"]);
 701
 702                 if ($feed_url) {
 703                         $rc = subscribe_to_feed($this->link, $feed_url, $category_id,
 704                                 $login, $password, false);
 705
 706                         print $this->wrap(self::STATUS_OK, array("status" => $rc));
 707                 } else {
 708                         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 709                 }
 710         }
 711
 712         function getFeedTree() {
 713                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 714
 715                 $pf = new Pref_Feeds($this->link, $_REQUEST);
 716
 717                 $_REQUEST['mode'] = 2;
 718                 $_REQUEST['force_show_empty'] = $include_empty;
 719
 720                 if ($pf){
 721                         $data = $pf->makefeedtree();
 722                         print $this->wrap(self::STATUS_OK, array("categories" => $data));
 723                 } else {
 724                         print $this->wrap(self::STATUS_ERR, array("error" =>
 725                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 726                 }
 727
 728         }
 729
 730         // only works for labels or uncategorized for the time being
 731         private function isCategoryEmpty($id) {
 732
 733                 if ($id == -2) {
 734                         $result = db_query($this->link, "SELECT COUNT(*) AS count FROM ttrss_labels2
 735                                 WHERE owner_uid = " . $_SESSION["uid"]);
 736
 737                         return db_fetch_result($result, 0, "count") == 0;
 738
 739                 } else if ($id == 0) {
 740                         $result = db_query($this->link, "SELECT COUNT(*) AS count FROM ttrss_feeds
 741                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 742
 743                         return db_fetch_result($result, 0, "count") == 0;
 744
 745                 }
 746
 747                 return false;
 748         }
 749
 750
 751 }
 752
 753 ?>