classes/api.php

   1 <?php
   2
   3 class API extends Handler {
   4
   5         const API_LEVEL  = 11;
   6
   7         const STATUS_OK  = 0;
   8         const STATUS_ERR = 1;
   9
  10         private $seq;
  11
  12         function before($method) {
  13                 if (parent::before($method)) {
  14                         header("Content-Type: text/json");
  15
  16                         if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
  17                                 $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
  18                                 return false;
  19                         }
  20
  21                         if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
  22                                 $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
  23                                 return false;
  24                         }
  25
  26                         $this->seq = (int) $_REQUEST['seq'];
  27
  28                         return true;
  29                 }
  30                 return false;
  31         }
  32
  33         function wrap($status, $reply) {
  34                 print json_encode(array("seq" => $this->seq,
  35                         "status" => $status,
  36                         "content" => $reply));
  37         }
  38
  39         function getVersion() {
  40                 $rv = array("version" => VERSION);
  41                 $this->wrap(self::STATUS_OK, $rv);
  42         }
  43
  44         function getApiLevel() {
  45                 $rv = array("level" => self::API_LEVEL);
  46                 $this->wrap(self::STATUS_OK, $rv);
  47         }
  48
  49         function login() {
  50                 @session_destroy();
  51                 @session_start();
  52
  53                 $login = $this->dbh->escape_string($_REQUEST["user"]);
  54                 $password = $_REQUEST["password"];
  55                 $password_base64 = base64_decode($_REQUEST["password"]);
  56
  57                 if (SINGLE_USER_MODE) $login = "admin";
  58
  59                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
  60
  61                 if ($this->dbh->num_rows($result) != 0) {
  62                         $uid = $this->dbh->fetch_result($result, 0, "id");
  63                 } else {
  64                         $uid = 0;
  65                 }
  66
  67                 if (!$uid) {
  68                         $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  69                         return;
  70                 }
  71
  72                 if (get_pref("ENABLE_API_ACCESS", $uid)) {
  73                         if (authenticate_user($login, $password)) {               // try login with normal password
  74                                 $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
  75                                         "api_level" => self::API_LEVEL));
  76                         } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
  77                                 $this->wrap(self::STATUS_OK,    array("session_id" => session_id(),
  78                                         "api_level" => self::API_LEVEL));
  79                         } else {                                                         // else we are not logged in
  80                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
  81                                 $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
  82                         }
  83                 } else {
  84                         $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
  85                 }
  86
  87         }
  88
  89         function logout() {
  90                 logout_user();
  91                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
  92         }
  93
  94         function isLoggedIn() {
  95                 $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
  96         }
  97
  98         function getUnread() {
  99                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 100                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 101
 102                 if ($feed_id) {
 103                         $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
 104                 } else {
 105                         $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
 106                 }
 107         }
 108
 109         /* Method added for ttrss-reader for Android */
 110         function getCounters() {
 111                 $this->wrap(self::STATUS_OK, getAllCounters());
 112         }
 113
 114         function getFeeds() {
 115                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
 116                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 117                 $limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
 118                 $offset = (int) $this->dbh->escape_string($_REQUEST["offset"]);
 119                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 120
 121                 $feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
 122
 123                 $this->wrap(self::STATUS_OK, $feeds);
 124         }
 125
 126         function getCategories() {
 127                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
 128                 $enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
 129                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 130
 131                 // TODO do not return empty categories, return Uncategorized and standard virtual cats
 132
 133                 if ($enable_nested)
 134                         $nested_qpart = "parent_cat IS NULL";
 135                 else
 136                         $nested_qpart = "true";
 137
 138                 $result = $this->dbh->query("SELECT
 139                                 id, title, order_id, (SELECT COUNT(id) FROM
 140                                 ttrss_feeds WHERE
 141                                 ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
 142                         (SELECT COUNT(id) FROM
 143                                 ttrss_feed_categories AS c2 WHERE
 144                                 c2.parent_cat = ttrss_feed_categories.id) AS num_cats
 145                         FROM ttrss_feed_categories
 146                         WHERE $nested_qpart AND owner_uid = " .
 147                         $_SESSION["uid"]);
 148
 149                 $cats = array();
 150
 151                 while ($line = $this->dbh->fetch_assoc($result)) {
 152                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
 153                                 $unread = getFeedUnread($line["id"], true);
 154
 155                                 if ($enable_nested)
 156                                         $unread += getCategoryChildrenUnread($line["id"]);
 157
 158                                 if ($unread || !$unread_only) {
 159                                         array_push($cats, array("id" => $line["id"],
 160                                                 "title" => $line["title"],
 161                                                 "unread" => $unread,
 162                                                 "order_id" => (int) $line["order_id"],
 163                                         ));
 164                                 }
 165                         }
 166                 }
 167
 168                 foreach (array(-2,-1,0) as $cat_id) {
 169                         if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
 170                                 $unread = getFeedUnread($cat_id, true);
 171
 172                                 if ($unread || !$unread_only) {
 173                                         array_push($cats, array("id" => $cat_id,
 174                                                 "title" => getCategoryTitle($cat_id),
 175                                                 "unread" => $unread));
 176                                 }
 177                         }
 178                 }
 179
 180                 $this->wrap(self::STATUS_OK, $cats);
 181         }
 182
 183         function getHeadlines() {
 184                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 185                 if ($feed_id != "") {
 186
 187                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 188
 189                         if (!$limit || $limit >= 200) $limit = 200;
 190
 191                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
 192                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
 193                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 194                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
 195                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
 196                         /* all_articles, unread, adaptive, marked, updated */
 197                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
 198                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
 199                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
 200                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 201                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
 202                                 sql_bool_to_bool($_REQUEST["sanitize"]);
 203                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
 204                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
 205                         $excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
 206
 207                         $_SESSION['hasSandbox'] = $has_sandbox;
 208
 209                         $override_order = false;
 210                         switch ($_REQUEST["order_by"]) {
 211                                 case "title":
 212                                         $override_order = "ttrss_entries.title";
 213                                         break;
 214                                 case "date_reverse":
 215                                         $override_order = "score DESC, date_entered, updated";
 216                                         break;
 217                                 case "feed_dates":
 218                                         $override_order = "updated DESC";
 219                                         break;
 220                         }
 221
 222                         /* do not rely on params below */
 223
 224                         $search = $this->dbh->escape_string($_REQUEST["search"]);
 225                         $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 226
 227                         $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
 228                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
 229                                 $include_attachments, $since_id, $search, $search_mode,
 230                                 $include_nested, $sanitize_content, $force_update, $excerpt_length);
 231
 232                         $this->wrap(self::STATUS_OK, $headlines);
 233                 } else {
 234                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 235                 }
 236         }
 237
 238         function updateArticle() {
 239                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 240                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
 241                 $data = $this->dbh->escape_string($_REQUEST["data"]);
 242                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 243
 244                 $field = "";
 245                 $set_to = "";
 246
 247                 switch ($field_raw) {
 248                         case 0:
 249                                 $field = "marked";
 250                                 $additional_fields = ",last_marked = NOW()";
 251                                 break;
 252                         case 1:
 253                                 $field = "published";
 254                                 $additional_fields = ",last_published = NOW()";
 255                                 break;
 256                         case 2:
 257                                 $field = "unread";
 258                                 $additional_fields = ",last_read = NOW()";
 259                                 break;
 260                         case 3:
 261                                 $field = "note";
 262                 };
 263
 264                 switch ($mode) {
 265                         case 1:
 266                                 $set_to = "true";
 267                                 break;
 268                         case 0:
 269                                 $set_to = "false";
 270                                 break;
 271                         case 2:
 272                                 $set_to = "NOT $field";
 273                                 break;
 274                 }
 275
 276                 if ($field == "note") $set_to = "'$data'";
 277
 278                 if ($field && $set_to && count($article_ids) > 0) {
 279
 280                         $article_ids = join(", ", $article_ids);
 281
 282                         $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"]);
 283
 284                         $num_updated = $this->dbh->affected_rows($result);
 285
 286                         if ($num_updated > 0 && $field == "unread") {
 287                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
 288                                         WHERE ref_id IN ($article_ids)");
 289
 290                                 while ($line = $this->dbh->fetch_assoc($result)) {
 291                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
 292                                 }
 293                         }
 294
 295                         if ($num_updated > 0 && $field == "published") {
 296                                 if (PUBSUBHUBBUB_HUB) {
 297                                         $rss_link = get_self_url_prefix() .
 298                                                 "/public.php?op=rss&id=-2&key=" .
 299                                                 get_feed_access_key(-2, false);
 300
 301                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
 302                                         $pubsub_result = $p->publish_update($rss_link);
 303                                 }
 304                         }
 305
 306                         $this->wrap(self::STATUS_OK, array("status" => "OK",
 307                                 "updated" => $num_updated));
 308
 309                 } else {
 310                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 311                 }
 312
 313         }
 314
 315         function getArticle() {
 316
 317                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 318
 319                 if ($article_id) {
 320
 321                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 322                                 marked,unread,published,score,note,lang,
 323                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 324                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
 325                                 FROM ttrss_entries,ttrss_user_entries
 326                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 327                                         $_SESSION["uid"] ;
 328
 329                         $result = $this->dbh->query($query);
 330
 331                         $articles = array();
 332
 333                         if ($this->dbh->num_rows($result) != 0) {
 334
 335                                 while ($line = $this->dbh->fetch_assoc($result)) {
 336
 337                                         $attachments = get_article_enclosures($line['id']);
 338
 339                                         $article = array(
 340                                                 "id" => $line["id"],
 341                                                 "title" => $line["title"],
 342                                                 "link" => $line["link"],
 343                                                 "labels" => get_article_labels($line['id']),
 344                                                 "unread" => sql_bool_to_bool($line["unread"]),
 345                                                 "marked" => sql_bool_to_bool($line["marked"]),
 346                                                 "published" => sql_bool_to_bool($line["published"]),
 347                                                 "comments" => $line["comments"],
 348                                                 "author" => $line["author"],
 349                                                 "updated" => (int) strtotime($line["updated"]),
 350                                                 "content" => $line["content"],
 351                                                 "feed_id" => $line["feed_id"],
 352                                                 "attachments" => $attachments,
 353                                                 "score" => (int)$line["score"],
 354                                                 "feed_title" => $line["feed_title"],
 355                                                 "note" => $line["note"],
 356                                                 "lang" => $line["lang"]
 357                                         );
 358
 359                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 360                                                 $article = $p->hook_render_article_api(array("article" => $article));
 361                                         }
 362
 363
 364                                         array_push($articles, $article);
 365
 366                                 }
 367                         }
 368
 369                         $this->wrap(self::STATUS_OK, $articles);
 370                 } else {
 371                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 372                 }
 373         }
 374
 375         function getConfig() {
 376                 $config = array(
 377                         "icons_dir" => ICONS_DIR,
 378                         "icons_url" => ICONS_URL);
 379
 380                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 381
 382                 $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
 383                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 384
 385                 $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 386
 387                 $config["num_feeds"] = (int)$num_feeds;
 388
 389                 $this->wrap(self::STATUS_OK, $config);
 390         }
 391
 392         function updateFeed() {
 393                 require_once "include/rssfuncs.php";
 394
 395                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 396
 397                 update_rss_feed($feed_id, true);
 398
 399                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 400         }
 401
 402         function catchupFeed() {
 403                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
 404                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 405
 406                 catchup_feed($feed_id, $is_cat);
 407
 408                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
 409         }
 410
 411         function getPref() {
 412                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 413
 414                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
 415         }
 416
 417         function getLabels() {
 418                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 419
 420                 $article_id = (int)$_REQUEST['article_id'];
 421
 422                 $rv = array();
 423
 424                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
 425                         FROM ttrss_labels2
 426                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 427
 428                 if ($article_id)
 429                         $article_labels = get_article_labels($article_id);
 430                 else
 431                         $article_labels = array();
 432
 433                 while ($line = $this->dbh->fetch_assoc($result)) {
 434
 435                         $checked = false;
 436                         foreach ($article_labels as $al) {
 437                                 if (feed_to_label_id($al[0]) == $line['id']) {
 438                                         $checked = true;
 439                                         break;
 440                                 }
 441                         }
 442
 443                         array_push($rv, array(
 444                                 "id" => (int)label_to_feed_id($line['id']),
 445                                 "caption" => $line['caption'],
 446                                 "fg_color" => $line['fg_color'],
 447                                 "bg_color" => $line['bg_color'],
 448                                 "checked" => $checked));
 449                 }
 450
 451                 $this->wrap(self::STATUS_OK, $rv);
 452         }
 453
 454         function setArticleLabel() {
 455
 456                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 457                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
 458                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 459
 460                 $label = $this->dbh->escape_string(label_find_caption(
 461                         feed_to_label_id($label_id), $_SESSION["uid"]));
 462
 463                 $num_updated = 0;
 464
 465                 if ($label) {
 466
 467                         foreach ($article_ids as $id) {
 468
 469                                 if ($assign)
 470                                         label_add_article($id, $label, $_SESSION["uid"]);
 471                                 else
 472                                         label_remove_article($id, $label, $_SESSION["uid"]);
 473
 474                                 ++$num_updated;
 475
 476                         }
 477                 }
 478
 479                 $this->wrap(self::STATUS_OK, array("status" => "OK",
 480                         "updated" => $num_updated));
 481
 482         }
 483
 484         function index($method) {
 485                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
 486
 487                 if ($plugin && method_exists($plugin, $method)) {
 488                         $reply = $plugin->$method();
 489
 490                         $this->wrap($reply[0], $reply[1]);
 491
 492                 } else {
 493                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
 494                 }
 495         }
 496
 497         function shareToPublished() {
 498                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 499                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 500                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 501
 502                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
 503                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
 504                 } else {
 505                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
 506                 }
 507         }
 508
 509         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 510
 511                         $feeds = array();
 512
 513                         /* Labels */
 514
 515                         if ($cat_id == -4 || $cat_id == -2) {
 516                                 $counters = getLabelCounters(true);
 517
 518                                 foreach (array_values($counters) as $cv) {
 519
 520                                         $unread = $cv["counter"];
 521
 522                                         if ($unread || !$unread_only) {
 523
 524                                                 $row = array(
 525                                                                 "id" => (int) $cv["id"],
 526                                                                 "title" => $cv["description"],
 527                                                                 "unread" => $cv["counter"],
 528                                                                 "cat_id" => -2,
 529                                                         );
 530
 531                                                 array_push($feeds, $row);
 532                                         }
 533                                 }
 534                         }
 535
 536                         /* Virtual feeds */
 537
 538                         if ($cat_id == -4 || $cat_id == -1) {
 539                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
 540                                         $unread = getFeedUnread($i);
 541
 542                                         if ($unread || !$unread_only) {
 543                                                 $title = getFeedTitle($i);
 544
 545                                                 $row = array(
 546                                                                 "id" => $i,
 547                                                                 "title" => $title,
 548                                                                 "unread" => $unread,
 549                                                                 "cat_id" => -1,
 550                                                         );
 551                                                 array_push($feeds, $row);
 552                                         }
 553
 554                                 }
 555                         }
 556
 557                         /* Child cats */
 558
 559                         if ($include_nested && $cat_id) {
 560                                 $result = db_query("SELECT
 561                                         id, title FROM ttrss_feed_categories
 562                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 563                                 " ORDER BY id, title");
 564
 565                                 while ($line = db_fetch_assoc($result)) {
 566                                         $unread = getFeedUnread($line["id"], true) +
 567                                                 getCategoryChildrenUnread($line["id"]);
 568
 569                                         if ($unread || !$unread_only) {
 570                                                 $row = array(
 571                                                                 "id" => (int) $line["id"],
 572                                                                 "title" => $line["title"],
 573                                                                 "unread" => $unread,
 574                                                                 "is_cat" => true,
 575                                                         );
 576                                                 array_push($feeds, $row);
 577                                         }
 578                                 }
 579                         }
 580
 581                         /* Real feeds */
 582
 583                         if ($limit) {
 584                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 585                         } else {
 586                                 $limit_qpart = "";
 587                         }
 588
 589                         if ($cat_id == -4 || $cat_id == -3) {
 590                                 $result = db_query("SELECT
 591                                         id, feed_url, cat_id, title, order_id, ".
 592                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 593                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 594                                                 " ORDER BY cat_id, title " . $limit_qpart);
 595                         } else {
 596
 597                                 if ($cat_id)
 598                                         $cat_qpart = "cat_id = '$cat_id'";
 599                                 else
 600                                         $cat_qpart = "cat_id IS NULL";
 601
 602                                 $result = db_query("SELECT
 603                                         id, feed_url, cat_id, title, order_id, ".
 604                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 605                                                 FROM ttrss_feeds WHERE
 606                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
 607                                                 " ORDER BY cat_id, title " . $limit_qpart);
 608                         }
 609
 610                         while ($line = db_fetch_assoc($result)) {
 611
 612                                 $unread = getFeedUnread($line["id"]);
 613
 614                                 $has_icon = feed_has_icon($line['id']);
 615
 616                                 if ($unread || !$unread_only) {
 617
 618                                         $row = array(
 619                                                         "feed_url" => $line["feed_url"],
 620                                                         "title" => $line["title"],
 621                                                         "id" => (int)$line["id"],
 622                                                         "unread" => (int)$unread,
 623                                                         "has_icon" => $has_icon,
 624                                                         "cat_id" => (int)$line["cat_id"],
 625                                                         "last_updated" => (int) strtotime($line["last_updated"]),
 626                                                         "order_id" => (int) $line["order_id"],
 627                                                 );
 628
 629                                         array_push($feeds, $row);
 630                                 }
 631                         }
 632
 633                 return $feeds;
 634         }
 635
 636         static function api_get_headlines($feed_id, $limit, $offset,
 637                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
 638                                 $include_attachments, $since_id,
 639                                 $search = "", $search_mode = "",
 640                                 $include_nested = false, $sanitize_content = true, $force_update = false, $excerpt_length = 100) {
 641
 642                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
 643                                 // Update the feed if required with some basic flood control
 644
 645                                 $result = db_query(
 646                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 647                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
 648
 649                                 if (db_num_rows($result) != 0) {
 650                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
 651                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 652
 653                                         if (!$cache_images && time() - $last_updated > 120) {
 654                                                 include "rssfuncs.php";
 655                                                 update_rss_feed($feed_id, true, true);
 656                                         } else {
 657                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 658                                                         WHERE id = '$feed_id'");
 659                                         }
 660                                 }
 661                         }
 662
 663                         $qfh_ret = queryFeedHeadlines($feed_id, $limit,
 664                                 $view_mode, $is_cat, $search, $search_mode,
 665                                 $order, $offset, 0, false, $since_id, $include_nested);
 666
 667                         $result = $qfh_ret[0];
 668                         $feed_title = $qfh_ret[1];
 669
 670                         $headlines = array();
 671
 672                         while ($line = db_fetch_assoc($result)) {
 673                                 $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
 674                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 675                                         $line = $p->hook_query_headlines($line, $excerpt_length, true);
 676                                 }
 677
 678                                 $is_updated = ($line["last_read"] == "" &&
 679                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 680
 681                                 $tags = explode(",", $line["tag_cache"]);
 682
 683                                 $label_cache = $line["label_cache"];
 684                                 $labels = false;
 685
 686                                 if ($label_cache) {
 687                                         $label_cache = json_decode($label_cache, true);
 688
 689                                         if ($label_cache) {
 690                                                 if ($label_cache["no-labels"] == 1)
 691                                                         $labels = array();
 692                                                 else
 693                                                         $labels = $label_cache;
 694                                         }
 695                                 }
 696
 697                                 if (!is_array($labels)) $labels = get_article_labels($line["id"]);
 698
 699                                 //if (!$tags) $tags = get_article_tags($line["id"]);
 700                                 //if (!$labels) $labels = get_article_labels($line["id"]);
 701
 702                                 $headline_row = array(
 703                                                 "id" => (int)$line["id"],
 704                                                 "unread" => sql_bool_to_bool($line["unread"]),
 705                                                 "marked" => sql_bool_to_bool($line["marked"]),
 706                                                 "published" => sql_bool_to_bool($line["published"]),
 707                                                 "updated" => (int) strtotime($line["updated"]),
 708                                                 "is_updated" => $is_updated,
 709                                                 "title" => $line["title"],
 710                                                 "link" => $line["link"],
 711                                                 "feed_id" => $line["feed_id"],
 712                                                 "tags" => $tags,
 713                                         );
 714
 715                                 if ($include_attachments)
 716                                         $headline_row['attachments'] = get_article_enclosures(
 717                                                 $line['id']);
 718
 719                                 if ($show_excerpt)
 720                                         $headline_row["excerpt"] = $line["content_preview"];
 721
 722                                 if ($show_content) {
 723
 724                                         if ($sanitize_content) {
 725                                                 $headline_row["content"] = sanitize(
 726                                                         $line["content"],
 727                                                         sql_bool_to_bool($line['hide_images']),
 728                                                         false, $line["site_url"], false, $line["id"]);
 729                                         } else {
 730                                                 $headline_row["content"] = $line["content"];
 731                                         }
 732                                 }
 733
 734                                 // unify label output to ease parsing
 735                                 if ($labels["no-labels"] == 1) $labels = array();
 736
 737                                 $headline_row["labels"] = $labels;
 738
 739                                 $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
 740                                         $feed_title;
 741
 742                                 $headline_row["comments_count"] = (int)$line["num_comments"];
 743                                 $headline_row["comments_link"] = $line["comments"];
 744
 745                                 $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 746
 747                                 $headline_row["author"] = $line["author"];
 748
 749                                 $headline_row["score"] = (int)$line["score"];
 750                                 $headline_row["note"] = $line["note"];
 751                                 $headline_row["lang"] = $line["lang"];
 752
 753                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
 754                                         $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
 755                                 }
 756
 757                                 array_push($headlines, $headline_row);
 758                         }
 759
 760                         return $headlines;
 761         }
 762
 763         function unsubscribeFeed() {
 764                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 765
 766                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 767                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 768
 769                 if ($this->dbh->num_rows($result) != 0) {
 770                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
 771                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
 772                 } else {
 773                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
 774                 }
 775         }
 776
 777         function subscribeToFeed() {
 778                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
 779                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
 780                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 781                 $password = $this->dbh->escape_string($_REQUEST["password"]);
 782
 783                 if ($feed_url) {
 784                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
 785
 786                         $this->wrap(self::STATUS_OK, array("status" => $rc));
 787                 } else {
 788                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
 789                 }
 790         }
 791
 792         function getFeedTree() {
 793                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 794
 795                 $pf = new Pref_Feeds($_REQUEST);
 796
 797                 $_REQUEST['mode'] = 2;
 798                 $_REQUEST['force_show_empty'] = $include_empty;
 799
 800                 if ($pf){
 801                         $data = $pf->makefeedtree();
 802                         $this->wrap(self::STATUS_OK, array("categories" => $data));
 803                 } else {
 804                         $this->wrap(self::STATUS_ERR, array("error" =>
 805                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
 806                 }
 807
 808         }
 809
 810         // only works for labels or uncategorized for the time being
 811         private function isCategoryEmpty($id) {
 812
 813                 if ($id == -2) {
 814                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
 815                                 WHERE owner_uid = " . $_SESSION["uid"]);
 816
 817                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 818
 819                 } else if ($id == 0) {
 820                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
 821                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 822
 823                         return $this->dbh->fetch_result($result, 0, "count") == 0;
 824
 825                 }
 826
 827                 return false;
 828         }
 829
 830
 831 }
 832
 833 ?>