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Merge branch 'master' of git.fakecake.org:tt-rss
[tt-rss.git] / classes / api.php
1 <?php
2 class API extends Handler {
3
4         const API_LEVEL  = 14;
5
6         const STATUS_OK  = 0;
7         const STATUS_ERR = 1;
8
9         private $seq;
10
11         function before($method) {
12                 if (parent::before($method)) {
13                         header("Content-Type: text/json");
14
15                         if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
16                                 $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
17                                 return false;
18                         }
19
20                         if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
21                                 $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
22                                 return false;
23                         }
24
25                         $this->seq = (int) $_REQUEST['seq'];
26
27                         return true;
28                 }
29                 return false;
30         }
31
32         function wrap($status, $reply) {
33                 print json_encode(array("seq" => $this->seq,
34                         "status" => $status,
35                         "content" => $reply));
36         }
37
38         function getVersion() {
39                 $rv = array("version" => VERSION);
40                 $this->wrap(self::STATUS_OK, $rv);
41         }
42
43         function getApiLevel() {
44                 $rv = array("level" => self::API_LEVEL);
45                 $this->wrap(self::STATUS_OK, $rv);
46         }
47
48         function login() {
49                 @session_destroy();
50                 @session_start();
51
52                 $login = $this->dbh->escape_string($_REQUEST["user"]);
53                 $password = $_REQUEST["password"];
54                 $password_base64 = base64_decode($_REQUEST["password"]);
55
56                 if (SINGLE_USER_MODE) $login = "admin";
57
58                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
59
60                 if ($this->dbh->num_rows($result) != 0) {
61                         $uid = $this->dbh->fetch_result($result, 0, "id");
62                 } else {
63                         $uid = 0;
64                 }
65
66                 if (!$uid) {
67                         $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
68                         return;
69                 }
70
71                 if (get_pref("ENABLE_API_ACCESS", $uid)) {
72                         if (authenticate_user($login, $password)) {               // try login with normal password
73                                 $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
74                                         "api_level" => self::API_LEVEL));
75                         } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
76                                 $this->wrap(self::STATUS_OK,    array("session_id" => session_id(),
77                                         "api_level" => self::API_LEVEL));
78                         } else {                                                         // else we are not logged in
79                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
80                                 $this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
81                         }
82                 } else {
83                         $this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
84                 }
85
86         }
87
88         function logout() {
89                 logout_user();
90                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
91         }
92
93         function isLoggedIn() {
94                 $this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
95         }
96
97         function getUnread() {
98                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
99                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
100
101                 if ($feed_id) {
102                         $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
103                 } else {
104                         $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
105                 }
106         }
107
108         /* Method added for ttrss-reader for Android */
109         function getCounters() {
110                 $this->wrap(self::STATUS_OK, getAllCounters());
111         }
112
113         function getFeeds() {
114                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
115                 $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
116                 $limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
117                 $offset = (int) $this->dbh->escape_string($_REQUEST["offset"]);
118                 $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
119
120                 $feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
121
122                 $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 = $this->dbh->query("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 = $this->dbh->fetch_assoc($result)) {
151                         if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
152                                 $unread = getFeedUnread($line["id"], true);
153
154                                 if ($enable_nested)
155                                         $unread += getCategoryChildrenUnread($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                                 $unread = getFeedUnread($cat_id, true);
170
171                                 if ($unread || !$unread_only) {
172                                         array_push($cats, array("id" => $cat_id,
173                                                 "title" => getCategoryTitle($cat_id),
174                                                 "unread" => $unread));
175                                 }
176                         }
177                 }
178
179                 $this->wrap(self::STATUS_OK, $cats);
180         }
181
182         function getHeadlines() {
183                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
184                 if ($feed_id != "") {
185
186                         if (is_numeric($feed_id)) $feed_id = (int) $feed_id;
187
188                         $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
189
190                         if (!$limit || $limit >= 200) $limit = 200;
191
192                         $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
193                         $filter = $this->dbh->escape_string($_REQUEST["filter"]);
194                         $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
195                         $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
196                         $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
197                         /* all_articles, unread, adaptive, marked, updated */
198                         $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
199                         $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
200                         $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
201                         $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
202                         $sanitize_content = !isset($_REQUEST["sanitize"]) ||
203                                 sql_bool_to_bool($_REQUEST["sanitize"]);
204                         $force_update = sql_bool_to_bool($_REQUEST["force_update"]);
205                         $has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
206                         $excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
207                         $check_first_id = (int)$this->dbh->escape_string($_REQUEST["check_first_id"]);
208                         $include_header = sql_bool_to_bool($_REQUEST["include_header"]);
209
210                         $_SESSION['hasSandbox'] = $has_sandbox;
211
212                         $skip_first_id_check = false;
213
214                         $override_order = false;
215                         switch ($_REQUEST["order_by"]) {
216                                 case "title":
217                                         $override_order = "ttrss_entries.title";
218                                         break;
219                                 case "date_reverse":
220                                         $override_order = "score DESC, date_entered, updated";
221                                         $skip_first_id_check = true;
222                                         break;
223                                 case "feed_dates":
224                                         $override_order = "updated DESC";
225                                         break;
226                         }
227
228                         /* do not rely on params below */
229
230                         $search = $this->dbh->escape_string($_REQUEST["search"]);
231
232                         list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
233                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
234                                 $include_attachments, $since_id, $search,
235                                 $include_nested, $sanitize_content, $force_update, $excerpt_length, $check_first_id, $skip_first_id_check);
236
237                         if ($include_header) {
238                                 $this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
239                         } else {
240                                 $this->wrap(self::STATUS_OK, $headlines);
241                         }
242                 } else {
243                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
244                 }
245         }
246
247         function updateArticle() {
248                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
249                 $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
250                 $data = $this->dbh->escape_string($_REQUEST["data"]);
251                 $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
252
253                 $field = "";
254                 $set_to = "";
255
256                 switch ($field_raw) {
257                         case 0:
258                                 $field = "marked";
259                                 $additional_fields = ",last_marked = NOW()";
260                                 break;
261                         case 1:
262                                 $field = "published";
263                                 $additional_fields = ",last_published = NOW()";
264                                 break;
265                         case 2:
266                                 $field = "unread";
267                                 $additional_fields = ",last_read = NOW()";
268                                 break;
269                         case 3:
270                                 $field = "note";
271                 };
272
273                 switch ($mode) {
274                         case 1:
275                                 $set_to = "true";
276                                 break;
277                         case 0:
278                                 $set_to = "false";
279                                 break;
280                         case 2:
281                                 $set_to = "NOT $field";
282                                 break;
283                 }
284
285                 if ($field == "note") $set_to = "'$data'";
286
287                 if ($field && $set_to && count($article_ids) > 0) {
288
289                         $article_ids = join(", ", $article_ids);
290
291                         $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"]);
292
293                         $num_updated = $this->dbh->affected_rows($result);
294
295                         if ($num_updated > 0 && $field == "unread") {
296                                 $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
297                                         WHERE ref_id IN ($article_ids)");
298
299                                 while ($line = $this->dbh->fetch_assoc($result)) {
300                                         ccache_update($line["feed_id"], $_SESSION["uid"]);
301                                 }
302                         }
303
304                         if ($num_updated > 0 && $field == "published") {
305                                 if (PUBSUBHUBBUB_HUB) {
306                                         $rss_link = get_self_url_prefix() .
307                                                 "/public.php?op=rss&id=-2&key=" .
308                                                 get_feed_access_key(-2, false);
309
310                                         $p = new pubsubhubbub\publisher\Publisher(PUBSUBHUBBUB_HUB);
311                                         $p->publish_update($rss_link);
312                                 }
313                         }
314
315                         $this->wrap(self::STATUS_OK, array("status" => "OK",
316                                 "updated" => $num_updated));
317
318                 } else {
319                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
320                 }
321
322         }
323
324         function getArticle() {
325
326                 $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
327                 $sanitize_content = !isset($_REQUEST["sanitize"]) ||
328                         sql_bool_to_bool($_REQUEST["sanitize"]);
329
330                 if ($article_id) {
331
332                         $query = "SELECT id,guid,title,link,content,feed_id,comments,int_id,
333                                 marked,unread,published,score,note,lang,
334                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
335                                 author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
336                                 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
337                                 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
338                                 FROM ttrss_entries,ttrss_user_entries
339                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
340                                         $_SESSION["uid"] ;
341
342                         $result = $this->dbh->query($query);
343
344                         $articles = array();
345
346                         if ($this->dbh->num_rows($result) != 0) {
347
348                                 while ($line = $this->dbh->fetch_assoc($result)) {
349
350                                         $attachments = get_article_enclosures($line['id']);
351
352                                         $article = array(
353                                                 "id" => $line["id"],
354                                                 "guid" => $line["guid"],
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                 if (!ini_get("open_basedir")) {
420                         update_rss_feed($feed_id);
421                 }
422
423                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
424         }
425
426         function catchupFeed() {
427                 $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
428                 $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
429
430                 catchup_feed($feed_id, $is_cat);
431
432                 $this->wrap(self::STATUS_OK, array("status" => "OK"));
433         }
434
435         function getPref() {
436                 $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
437
438                 $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
439         }
440
441         function getLabels() {
442                 //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
443
444                 $article_id = (int)$_REQUEST['article_id'];
445
446                 $rv = array();
447
448                 $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
449                         FROM ttrss_labels2
450                         WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
451
452                 if ($article_id)
453                         $article_labels = get_article_labels($article_id);
454                 else
455                         $article_labels = array();
456
457                 while ($line = $this->dbh->fetch_assoc($result)) {
458
459                         $checked = false;
460                         foreach ($article_labels as $al) {
461                                 if (feed_to_label_id($al[0]) == $line['id']) {
462                                         $checked = true;
463                                         break;
464                                 }
465                         }
466
467                         array_push($rv, array(
468                                 "id" => (int)label_to_feed_id($line['id']),
469                                 "caption" => $line['caption'],
470                                 "fg_color" => $line['fg_color'],
471                                 "bg_color" => $line['bg_color'],
472                                 "checked" => $checked));
473                 }
474
475                 $this->wrap(self::STATUS_OK, $rv);
476         }
477
478         function setArticleLabel() {
479
480                 $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
481                 $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
482                 $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
483
484                 $label = $this->dbh->escape_string(label_find_caption(
485                         feed_to_label_id($label_id), $_SESSION["uid"]));
486
487                 $num_updated = 0;
488
489                 if ($label) {
490
491                         foreach ($article_ids as $id) {
492
493                                 if ($assign)
494                                         label_add_article($id, $label, $_SESSION["uid"]);
495                                 else
496                                         label_remove_article($id, $label, $_SESSION["uid"]);
497
498                                 ++$num_updated;
499
500                         }
501                 }
502
503                 $this->wrap(self::STATUS_OK, array("status" => "OK",
504                         "updated" => $num_updated));
505
506         }
507
508         function index($method) {
509                 $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
510
511                 if ($plugin && method_exists($plugin, $method)) {
512                         $reply = $plugin->$method();
513
514                         $this->wrap($reply[0], $reply[1]);
515
516                 } else {
517                         $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
518                 }
519         }
520
521         function shareToPublished() {
522                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
523                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
524                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
525
526                 if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
527                         $this->wrap(self::STATUS_OK, array("status" => 'OK'));
528                 } else {
529                         $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
530                 }
531         }
532
533         static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
534
535                         $feeds = array();
536
537                         /* Labels */
538
539                         if ($cat_id == -4 || $cat_id == -2) {
540                                 $counters = getLabelCounters(true);
541
542                                 foreach (array_values($counters) as $cv) {
543
544                                         $unread = $cv["counter"];
545
546                                         if ($unread || !$unread_only) {
547
548                                                 $row = array(
549                                                                 "id" => (int) $cv["id"],
550                                                                 "title" => $cv["description"],
551                                                                 "unread" => $cv["counter"],
552                                                                 "cat_id" => -2,
553                                                         );
554
555                                                 array_push($feeds, $row);
556                                         }
557                                 }
558                         }
559
560                         /* Virtual feeds */
561
562                         if ($cat_id == -4 || $cat_id == -1) {
563                                 foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
564                                         $unread = getFeedUnread($i);
565
566                                         if ($unread || !$unread_only) {
567                                                 $title = getFeedTitle($i);
568
569                                                 $row = array(
570                                                                 "id" => $i,
571                                                                 "title" => $title,
572                                                                 "unread" => $unread,
573                                                                 "cat_id" => -1,
574                                                         );
575                                                 array_push($feeds, $row);
576                                         }
577
578                                 }
579                         }
580
581                         /* Child cats */
582
583                         if ($include_nested && $cat_id) {
584                                 $result = db_query("SELECT
585                                         id, title FROM ttrss_feed_categories
586                                         WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
587                                 " ORDER BY id, title");
588
589                                 while ($line = db_fetch_assoc($result)) {
590                                         $unread = getFeedUnread($line["id"], true) +
591                                                 getCategoryChildrenUnread($line["id"]);
592
593                                         if ($unread || !$unread_only) {
594                                                 $row = array(
595                                                                 "id" => (int) $line["id"],
596                                                                 "title" => $line["title"],
597                                                                 "unread" => $unread,
598                                                                 "is_cat" => true,
599                                                         );
600                                                 array_push($feeds, $row);
601                                         }
602                                 }
603                         }
604
605                         /* Real feeds */
606
607                         if ($limit) {
608                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
609                         } else {
610                                 $limit_qpart = "";
611                         }
612
613                         if ($cat_id == -4 || $cat_id == -3) {
614                                 $result = db_query("SELECT
615                                         id, feed_url, cat_id, title, order_id, ".
616                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
617                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
618                                                 " ORDER BY cat_id, title " . $limit_qpart);
619                         } else {
620
621                                 if ($cat_id)
622                                         $cat_qpart = "cat_id = '$cat_id'";
623                                 else
624                                         $cat_qpart = "cat_id IS NULL";
625
626                                 $result = db_query("SELECT
627                                         id, feed_url, cat_id, title, order_id, ".
628                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
629                                                 FROM ttrss_feeds WHERE
630                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
631                                                 " ORDER BY cat_id, title " . $limit_qpart);
632                         }
633
634                         while ($line = db_fetch_assoc($result)) {
635
636                                 $unread = getFeedUnread($line["id"]);
637
638                                 $has_icon = feed_has_icon($line['id']);
639
640                                 if ($unread || !$unread_only) {
641
642                                         $row = array(
643                                                         "feed_url" => $line["feed_url"],
644                                                         "title" => $line["title"],
645                                                         "id" => (int)$line["id"],
646                                                         "unread" => (int)$unread,
647                                                         "has_icon" => $has_icon,
648                                                         "cat_id" => (int)$line["cat_id"],
649                                                         "last_updated" => (int) strtotime($line["last_updated"]),
650                                                         "order_id" => (int) $line["order_id"],
651                                                 );
652
653                                         array_push($feeds, $row);
654                                 }
655                         }
656
657                 return $feeds;
658         }
659
660         /**
661          * @SuppressWarnings(PHPMD.UnusedFormalParameter)
662          */
663         static function api_get_headlines($feed_id, $limit, $offset,
664                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
665                                 $include_attachments, $since_id,
666                                 $search = "", $include_nested = false, $sanitize_content = true,
667                                 $force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
668
669                         if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
670                                 // Update the feed if required with some basic flood control
671
672                                 $result = db_query(
673                                         "SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
674                                                 FROM ttrss_feeds WHERE id = '$feed_id'");
675
676                                 if (db_num_rows($result) != 0) {
677                                         $last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
678                                         $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
679
680                                         if (!$cache_images && time() - $last_updated > 120) {
681                                                 include "rssfuncs.php";
682                                                 update_rss_feed($feed_id, true);
683                                         } else {
684                                                 db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
685                                                         WHERE id = '$feed_id'");
686                                         }
687                                 }
688                         }
689
690                         /*$qfh_ret = queryFeedHeadlines($feed_id, $limit,
691                                 $view_mode, $is_cat, $search, false,
692                                 $order, $offset, 0, false, $since_id, $include_nested);*/
693
694                         //function queryFeedHeadlines($feed, $limit,
695                         // $view_mode, $cat_view, $search, $search_mode,
696                         // $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false,
697                         // $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false, $start_ts = false, $check_top_id = false) {
698
699                         $params = array(
700                                 "feed" => $feed_id,
701                                 "limit" => $limit,
702                                 "view_mode" => $view_mode,
703                                 "cat_view" => $is_cat,
704                                 "search" => $search,
705                                 "override_order" => $order,
706                                 "offset" => $offset,
707                                 "since_id" => $since_id,
708                                 "include_children" => $include_nested,
709                                 "check_first_id" => $check_first_id,
710                                 "skip_first_id_check" => $skip_first_id_check
711                         );
712
713                         $qfh_ret = queryFeedHeadlines($params);
714
715                         $result = $qfh_ret[0];
716                         $feed_title = $qfh_ret[1];
717                         $first_id = $qfh_ret[6];
718
719                         $headlines = array();
720
721                         $headlines_header = array(
722                                 'id' => $feed_id,
723                                 'first_id' => $first_id,
724                                 'is_cat' => $is_cat);
725
726                         if (!is_numeric($result)) {
727                                 while ($line = db_fetch_assoc($result)) {
728                                         $line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
729                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
730                                                 $line = $p->hook_query_headlines($line, $excerpt_length, true);
731                                         }
732
733                                         $is_updated = ($line["last_read"] == "" &&
734                                                 ($line["unread"] != "t" && $line["unread"] != "1"));
735
736                                         $tags = explode(",", $line["tag_cache"]);
737
738                                         $label_cache = $line["label_cache"];
739                                         $labels = false;
740
741                                         if ($label_cache) {
742                                                 $label_cache = json_decode($label_cache, true);
743
744                                                 if ($label_cache) {
745                                                         if ($label_cache["no-labels"] == 1)
746                                                                 $labels = array();
747                                                         else
748                                                                 $labels = $label_cache;
749                                                 }
750                                         }
751
752                                         if (!is_array($labels)) $labels = get_article_labels($line["id"]);
753
754                                         //if (!$tags) $tags = get_article_tags($line["id"]);
755                                         //if (!$labels) $labels = get_article_labels($line["id"]);
756
757                                         $headline_row = array(
758                                                 "id" => (int)$line["id"],
759                                                 "guid" => $line["guid"],
760                                                 "unread" => sql_bool_to_bool($line["unread"]),
761                                                 "marked" => sql_bool_to_bool($line["marked"]),
762                                                 "published" => sql_bool_to_bool($line["published"]),
763                                                 "updated" => (int)strtotime($line["updated"]),
764                                                 "is_updated" => $is_updated,
765                                                 "title" => $line["title"],
766                                                 "link" => $line["link"],
767                                                 "feed_id" => $line["feed_id"],
768                                                 "tags" => $tags,
769                                         );
770
771                                         if ($include_attachments)
772                                                 $headline_row['attachments'] = get_article_enclosures(
773                                                         $line['id']);
774
775                                         if ($show_excerpt)
776                                                 $headline_row["excerpt"] = $line["content_preview"];
777
778                                         if ($show_content) {
779
780                                                 if ($sanitize_content) {
781                                                         $headline_row["content"] = sanitize(
782                                                                 $line["content"],
783                                                                 sql_bool_to_bool($line['hide_images']),
784                                                                 false, $line["site_url"], false, $line["id"]);
785                                                 } else {
786                                                         $headline_row["content"] = $line["content"];
787                                                 }
788                                         }
789
790                                         // unify label output to ease parsing
791                                         if ($labels["no-labels"] == 1) $labels = array();
792
793                                         $headline_row["labels"] = $labels;
794
795                                         $headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
796                                                 $feed_title;
797
798                                         $headline_row["comments_count"] = (int)$line["num_comments"];
799                                         $headline_row["comments_link"] = $line["comments"];
800
801                                         $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
802
803                                         $headline_row["author"] = $line["author"];
804
805                                         $headline_row["score"] = (int)$line["score"];
806                                         $headline_row["note"] = $line["note"];
807                                         $headline_row["lang"] = $line["lang"];
808
809                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
810                                                 $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
811                                         }
812
813                                         array_push($headlines, $headline_row);
814                                 }
815                         } else if (is_numeric($result) && $result == -1) {
816                                 $headlines_header['first_id_changed'] = true;
817                         }
818
819                         return array($headlines, $headlines_header);
820         }
821
822         function unsubscribeFeed() {
823                 $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
824
825                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
826                         id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
827
828                 if ($this->dbh->num_rows($result) != 0) {
829                         Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
830                         $this->wrap(self::STATUS_OK, array("status" => "OK"));
831                 } else {
832                         $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
833                 }
834         }
835
836         function subscribeToFeed() {
837                 $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
838                 $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
839                 $login = $this->dbh->escape_string($_REQUEST["login"]);
840                 $password = $this->dbh->escape_string($_REQUEST["password"]);
841
842                 if ($feed_url) {
843                         $rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
844
845                         $this->wrap(self::STATUS_OK, array("status" => $rc));
846                 } else {
847                         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
848                 }
849         }
850
851         function getFeedTree() {
852                 $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
853
854                 $pf = new Pref_Feeds($_REQUEST);
855
856                 $_REQUEST['mode'] = 2;
857                 $_REQUEST['force_show_empty'] = $include_empty;
858
859                 if ($pf){
860                         $data = $pf->makefeedtree();
861                         $this->wrap(self::STATUS_OK, array("categories" => $data));
862                 } else {
863                         $this->wrap(self::STATUS_ERR, array("error" =>
864                                 'UNABLE_TO_INSTANTIATE_OBJECT'));
865                 }
866
867         }
868
869         // only works for labels or uncategorized for the time being
870         private function isCategoryEmpty($id) {
871
872                 if ($id == -2) {
873                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
874                                 WHERE owner_uid = " . $_SESSION["uid"]);
875
876                         return $this->dbh->fetch_result($result, 0, "count") == 0;
877
878                 } else if ($id == 0) {
879                         $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
880                                 WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
881
882                         return $this->dbh->fetch_result($result, 0, "count") == 0;
883
884                 }
885
886                 return false;
887         }
888
889
890 }