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[tt-rss.git] / modules / backend-rpc.php
1 <?php
2         function handle_rpc_request($link) {
3
4                 $subop = $_REQUEST["subop"];
5                 $seq = (int) $_REQUEST["seq"];
6
7                 // Silent
8                 if ($subop == "setprofile") {
9                         $id = db_escape_string($_REQUEST["id"]);
10
11                         $_SESSION["profile"] = $id;
12                         $_SESSION["prefs_cache"] = array();
13                         return;
14                 }
15
16                 // Silent
17                 if ($subop == "remprofiles") {
18                         $ids = split(",", db_escape_string(trim($_REQUEST["ids"])));
19
20                         foreach ($ids as $id) {
21                                 if ($_SESSION["profile"] != $id) {
22                                         db_query($link, "DELETE FROM ttrss_settings_profiles WHERE id = '$id' AND
23                                                 owner_uid = " . $_SESSION["uid"]);
24                                 }
25                         }
26                         return;
27                 }
28
29                 // Silent
30                 if ($subop == "addprofile") {
31                         $title = db_escape_string(trim($_REQUEST["title"]));
32                         if ($title) {
33                                 db_query($link, "BEGIN");
34
35                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
36                                         WHERE title = '$title' AND owner_uid = " . $_SESSION["uid"]);
37
38                                 if (db_num_rows($result) == 0) {
39
40                                         db_query($link, "INSERT INTO ttrss_settings_profiles (title, owner_uid)
41                                                 VALUES ('$title', ".$_SESSION["uid"] .")");
42         
43                                         $result = db_query($link, "SELECT id FROM ttrss_settings_profiles WHERE
44                                                 title = '$title'");
45         
46                                         if (db_num_rows($result) != 0) {
47                                                 $profile_id = db_fetch_result($result, 0, "id");
48         
49                                                 if ($profile_id) {
50                                                         initialize_user_prefs($link, $_SESSION["uid"], $profile_id); 
51                                                 }
52                                         }
53                                 }
54
55                                 db_query($link, "COMMIT");
56                         }
57                         return;
58                 }
59
60                 // Silent
61                 if ($subop == "saveprofile") {
62                         $id = db_escape_string($_REQUEST["id"]);
63                         $title = db_escape_string(trim($_REQUEST["value"]));
64
65                         if ($id == 0) {
66                                 print __("Default profile");
67                                 return;
68                         }
69
70                         if ($title) {
71                                 db_query($link, "BEGIN");
72
73                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
74                                         WHERE title = '$title' AND owner_uid =" . $_SESSION["uid"]);
75
76                                 if (db_num_rows($result) == 0) {
77                                         db_query($link, "UPDATE ttrss_settings_profiles
78                                                 SET title = '$title' WHERE id = '$id' AND
79                                                 owner_uid = " . $_SESSION["uid"]);
80                                         print $title;
81                                 } else {
82                                         $result = db_query($link, "SELECT title FROM ttrss_settings_profiles
83                                                 WHERE id = '$id' AND owner_uid =" . $_SESSION["uid"]);
84                                         print db_fetch_result($result, 0, "title");
85                                 }
86
87                                 db_query($link, "COMMIT");
88                         }                       
89                         return;
90                 }
91
92                 // Silent
93                 if ($subop == "remarchive") {
94                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
95
96                         foreach ($ids as $id) {
97                                 $result = db_query($link, "DELETE FROM ttrss_archived_feeds WHERE
98                                         (SELECT COUNT(*) FROM ttrss_user_entries 
99                                                 WHERE orig_feed_id = '$id') = 0 AND
100                                                 id = '$id' AND owner_uid = ".$_SESSION["uid"]);
101
102                                 $rc = db_affected_rows($link, $result);
103                         }
104                         return;
105                 }
106
107                 if ($subop == "addfeed") {
108                         header("Content-Type: text/plain");
109
110                         $feed = db_escape_string($_REQUEST['feed']);
111                         $cat = db_escape_string($_REQUEST['cat']);
112                         $login = db_escape_string($_REQUEST['login']);
113                         $pass = db_escape_string($_REQUEST['pass']);
114
115                         $rc = subscribe_to_feed($link, $feed, $cat, $login, $pass);
116
117                         print json_encode(array("result" => $rc));
118
119                         return;
120
121                 }
122
123                 if ($subop == "extractfeedurls") {
124                         header("Content-Type: text/plain");
125
126                         $urls = get_feeds_from_html($_REQUEST['url']);
127
128                         print json_encode(array("urls" => $urls));
129                         return;
130                 }
131
132                 if ($subop == "togglepref") {
133                         header("Content-Type: text/plain");
134
135                         $key = db_escape_string($_REQUEST["key"]);
136                         set_pref($link, $key, !get_pref($link, $key));
137                         $value = get_pref($link, $key);
138
139                         print json_encode(array("param" =>$key, "value" => $value));
140                         return;
141                 }
142
143                 if ($subop == "setpref") {
144                         header("Content-Type: text/plain");
145
146                         $key = db_escape_string($_REQUEST["key"]);
147                         $value = db_escape_string($_REQUEST["value"]);
148
149                         set_pref($link, $key, $value);
150
151                         print json_encode(array("param" =>$key, "value" => $value));
152                         return;
153                 }
154
155                 if ($subop == "mark") {
156                         header("Content-Type: text/plain");
157
158                         $mark = $_REQUEST["mark"];
159                         $id = db_escape_string($_REQUEST["id"]);
160
161                         if ($mark == "1") {
162                                 $mark = "true";
163                         } else {
164                                 $mark = "false";
165                         }
166
167                         $result = db_query($link, "UPDATE ttrss_user_entries SET marked = $mark
168                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
169
170                         print json_encode(array("message" => "UPDATE_COUNTERS"));
171                         return;
172                 }
173
174                 if ($subop == "delete") {
175                         header("Content-Type: text/plain");
176
177                         $ids = db_escape_string($_REQUEST["ids"]);
178
179                         $result = db_query($link, "DELETE FROM ttrss_user_entries                               
180                                 WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
181
182                         print json_encode(array("message" => "UPDATE_COUNTERS"));
183                         return;
184                 }
185
186                 if ($subop == "unarchive") {
187                         header("Content-Type: text/plain");
188
189                         $ids = db_escape_string($_REQUEST["ids"]);
190
191                         $result = db_query($link, "UPDATE ttrss_user_entries 
192                                 SET feed_id = orig_feed_id, orig_feed_id = NULL
193                                 WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
194
195                         print json_encode(array("message" => "UPDATE_COUNTERS"));
196                         return;
197                 }
198
199                 if ($subop == "archive") {
200                         header("Content-Type: text/plain");
201
202                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
203
204                         foreach ($ids as $id) {
205                                 archive_article($link, $id, $_SESSION["uid"]);
206                         }
207
208                         print json_encode(array("message" => "UPDATE_COUNTERS"));
209                         return;
210                 }
211
212                 if ($subop == "publ") {
213                         header("Content-Type: text/plain");
214
215                         $pub = $_REQUEST["pub"];
216                         $id = db_escape_string($_REQUEST["id"]);
217                         $note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
218
219                         if ($pub == "1") {
220                                 $pub = "true";
221                         } else {
222                                 $pub = "false";
223                         }
224
225                         $result = db_query($link, "UPDATE ttrss_user_entries SET 
226                                 published = $pub
227                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
228
229                         print json_encode(array("message" => "UPDATE_COUNTERS"));
230                         return;
231                 }
232
233 /*              if ($subop == "updateFeed") {
234                         $feed_id = db_escape_string($_REQUEST["feed"]);
235
236                         update_rss_feed($link, $feed_id);
237
238                         print "<rpc-reply>";
239                         print "<message>UPDATE_COUNTERS</message>";
240                         print "</rpc-reply>";
241
242                         return;
243                 } */
244
245                 if ($subop == "updateAllFeeds" || $subop == "getAllCounters") {
246
247                         header("Content-Type: text/plain");
248
249                         $last_article_id = (int) $_REQUEST["last_article_id"];  
250
251                         $reply = array();
252
253                         if ($seq) $reply['seq'] = $seq;
254
255                         if ($last_article_id != getLastArticleId($link)) {
256                                 $omode = $_REQUEST["omode"];
257
258                                 if ($omode != "T") 
259                                         $reply['counters'] = getAllCounters($link, $omode);
260                                 else
261                                         $reply['counters'] = getGlobalCounters($link);
262                         }
263  
264                         $reply['runtime-info'] = make_runtime_info($link);
265
266
267                         print json_encode($reply);
268                         return;
269                 }
270
271                 /* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
272                 if ($subop == "catchupSelected") {
273                         header("Content-Type: text/plain");
274
275                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
276                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
277
278                         catchupArticlesById($link, $ids, $cmode);
279
280                         print json_encode(array("message" => "UPDATE_COUNTERS"));
281                         return;
282                 }
283
284                 if ($subop == "markSelected") {
285                         header("Content-Type: text/plain");
286
287                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
288                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
289
290                         markArticlesById($link, $ids, $cmode);
291
292                         print json_encode(array("message" => "UPDATE_COUNTERS"));
293                         return;
294                 }
295
296                 if ($subop == "publishSelected") {
297                         header("Content-Type: text/plain");
298
299                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
300                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
301
302                         publishArticlesById($link, $ids, $cmode);
303
304                         print json_encode(array("message" => "UPDATE_COUNTERS"));
305                         return;
306                 }
307
308                 // XML method
309                 if ($subop == "sanityCheck") {
310                         print "<rpc-reply>";
311                         if (sanity_check($link)) {
312                                 print "<error error-code=\"0\"/>";
313
314                                 print "<init-params><![CDATA[";
315                                 print json_encode(make_init_params($link));
316                                 print "]]></init-params>";
317
318                                 print_runtime_info($link);
319                         }
320                         print "</rpc-reply>";
321
322                         return;
323                 }               
324
325 /*              if ($subop == "globalPurge") {
326
327                         print "<rpc-reply>";
328                         global_purge_old_posts($link, true);
329                         print "</rpc-reply>";
330
331                         return;
332                 } */
333
334                 if ($subop == "setArticleTags") {
335                         header("Content-Type: text/plain");
336
337                         global $memcache;
338
339                         $id = db_escape_string($_REQUEST["id"]);
340
341                         $tags_str = db_escape_string($_REQUEST["tags_str"]);
342                         $tags = array_unique(trim_array(split(",", $tags_str)));
343
344                         db_query($link, "BEGIN");
345
346                         $result = db_query($link, "SELECT int_id FROM ttrss_user_entries WHERE
347                                 ref_id = '$id' AND owner_uid = '".$_SESSION["uid"]."' LIMIT 1");
348
349                         if (db_num_rows($result) == 1) {
350
351                                 $tags_to_cache = array();
352
353                                 $int_id = db_fetch_result($result, 0, "int_id");
354
355                                 db_query($link, "DELETE FROM ttrss_tags WHERE 
356                                         post_int_id = $int_id AND owner_uid = '".$_SESSION["uid"]."'");
357
358                                 foreach ($tags as $tag) {
359                                         $tag = sanitize_tag($tag);      
360
361                                         if (!tag_is_valid($tag)) {
362                                                 continue;
363                                         }
364
365                                         if (preg_match("/^[0-9]*$/", $tag)) {
366                                                 continue;
367                                         }
368
369 //                                      print "<!-- $id : $int_id : $tag -->";
370                                         
371                                         if ($tag != '') {
372                                                 db_query($link, "INSERT INTO ttrss_tags 
373                                                         (post_int_id, owner_uid, tag_name) VALUES ('$int_id', '".$_SESSION["uid"]."', '$tag')");
374                                         }
375
376                                         array_push($tags_to_cache, $tag);
377                                 }
378
379                                 /* update tag cache */
380
381                                 $tags_str = join(",", $tags_to_cache);
382
383                                 db_query($link, "UPDATE ttrss_user_entries 
384                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
385                                         AND owner_uid = " . $_SESSION["uid"]);
386                         }
387
388                         db_query($link, "COMMIT");
389
390                         if ($memcache) {
391                                 $obj_id = md5("TAGS:".$_SESSION["uid"].":$id");
392                                 $memcache->delete($obj_id);
393                         }
394
395                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
396
397                         print json_encode(array("tags_str" => array("id" => $id,
398                                 "content" => $tags_str)));
399
400                         return;
401                 }
402
403                 if ($subop == "regenOPMLKey") {
404                         header("Content-Type: text/plain");
405
406                         update_feed_access_key($link, 'OPML:Publish', 
407                                 false, $_SESSION["uid"]);
408
409                         $new_link = opml_publish_url($link);            
410
411                         print json_encode(array("link" => $new_link));
412                         return;
413                 }
414
415                 // XML method
416                 if ($subop == "logout") {
417                         logout_user();
418                         print_error_xml(6);
419                         return;
420                 }
421
422                 if ($subop == "completeTags") {
423                         header("Content-Type: text/plain");
424
425                         $search = db_escape_string($_REQUEST["search"]);
426
427                         $result = db_query($link, "SELECT DISTINCT tag_name FROM ttrss_tags 
428                                 WHERE owner_uid = '".$_SESSION["uid"]."' AND
429                                 tag_name LIKE '$search%' ORDER BY tag_name
430                                 LIMIT 10");
431
432                         print "<ul>";
433                         while ($line = db_fetch_assoc($result)) {
434                                 print "<li>" . $line["tag_name"] . "</li>";
435                         }
436                         print "</ul>";
437
438                         return;
439                 }
440
441                 if ($subop == "purge") {
442                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
443                         $days = sprintf("%d", $_REQUEST["days"]);
444
445                         foreach ($ids as $id) {
446
447                                 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
448                                         id = '$id' AND owner_uid = ".$_SESSION["uid"]);
449
450                                 if (db_num_rows($result) == 1) {
451                                         purge_feed($link, $id, $days);
452                                 }
453                         }
454
455                         return;
456                 }
457
458 /*              if ($subop == "setScore") {
459                         $id = db_escape_string($_REQUEST["id"]);
460                         $score = sprintf("%d", $_REQUEST["score"]);
461
462                         $result = db_query($link, "UPDATE ttrss_user_entries SET score = '$score'
463                                 WHERE ref_id = '$id' AND owner_uid = ".$_SESSION["uid"]);
464
465                         print "<rpc-reply><message>Acknowledged.</message></rpc-reply>";
466
467                         return;
468
469                 } */
470
471                 // XML method
472                 if ($subop == "getArticles") {
473                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
474
475                         print "<rpc-reply>";
476
477                         foreach ($ids as $id) {
478                                 if ($id) {
479                                         outputArticleXML($link, $id, 0, false);
480                                 }
481                         }
482                         print "</rpc-reply>";
483
484                         return;         
485                 }
486
487                 if ($subop == "checkDate") {
488                         header("Content-Type: text/plain");
489
490                         $date = db_escape_string($_REQUEST["date"]);
491                         $date_parsed = strtotime($date);
492
493                         print json_encode(array("result" => (bool)$date_parsed));
494                         return;
495                 }
496
497                 if ($subop == "assignToLabel" || $subop == "removeFromLabel") {
498                         header("Content-Type: text/plain");
499
500                         $reply = array();
501
502                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
503                         $label_id = db_escape_string($_REQUEST["lid"]);
504
505                         $label = db_escape_string(label_find_caption($link, $label_id, 
506                                 $_SESSION["uid"]));
507
508                         $reply["info-for-headlines"] = array();
509
510                         if ($label) {
511
512                                 foreach ($ids as $id) {
513
514                                         if ($subop == "assignToLabel")
515                                                 label_add_article($link, $id, $label, $_SESSION["uid"]);
516                                         else
517                                                 label_remove_article($link, $id, $label, $_SESSION["uid"]);
518
519                                         $labels = get_article_labels($link, $id, $_SESSION["uid"]);
520                                   
521                                         array_push($reply["info-for-headlines"],
522                                           array("id" => $id, "labels" => format_article_labels($labels, $id)));
523
524                                 }
525                         }
526
527                         $reply["message"] = "UPDATE_COUNTERS";
528
529                         print json_encode($reply);
530
531                         return;
532                 }
533
534                 if ($subop == "updateFeedBrowser") {
535                         header("Content-Type: text/plain");
536
537                         $search = db_escape_string($_REQUEST["search"]);
538                         $limit = db_escape_string($_REQUEST["limit"]);
539                         $mode = (int) db_escape_string($_REQUEST["mode"]);
540
541                         print json_encode(array("content" =>
542                                 make_feed_browser($link, $search, $limit, $mode),
543                                 "mode" => $mode));
544                         return;
545                 }
546
547                 // Silent
548                 if ($subop == "massSubscribe") {
549
550                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
551                         $mode = $_REQUEST["mode"];
552
553                         $subscribed = array();
554
555                         foreach ($ids as $id) {
556
557                                 if ($mode == 1) {
558                                         $result = db_query($link, "SELECT feed_url,title FROM ttrss_feeds
559                                                 WHERE id = '$id'");
560                                 } else if ($mode == 2) {
561                                         $result = db_query($link, "SELECT * FROM ttrss_archived_feeds
562                                                 WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]);
563                                         $orig_id = db_escape_string(db_fetch_result($result, 0, "id"));
564                                         $site_url = db_escape_string(db_fetch_result($result, 0, "site_url"));
565                                 }
566         
567                                 $feed_url = db_escape_string(db_fetch_result($result, 0, "feed_url"));
568                                 $title = db_escape_string(db_fetch_result($result, 0, "title"));
569         
570                                 $title_orig = db_fetch_result($result, 0, "title");
571         
572                                 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
573                                                 feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
574         
575                                 if (db_num_rows($result) == 0) {                        
576                                         if ($mode == 1) {
577                                                 $result = db_query($link,
578                                                         "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id) 
579                                                         VALUES ('".$_SESSION["uid"]."', '$feed_url', '$title', NULL)");
580                                         } else if ($mode == 2) {
581                                                 $result = db_query($link,
582                                                         "INSERT INTO ttrss_feeds (id,owner_uid,feed_url,title,cat_id,site_url) 
583                                                         VALUES ('$orig_id','".$_SESSION["uid"]."', '$feed_url', '$title', NULL, '$site_url')");
584                                         }
585                                         array_push($subscribed, $title_orig);
586                                 }
587                         }
588
589                         return;
590                 } 
591
592                 if ($subop == "digest-get-contents") {
593                         header("Content-Type: text/plain");
594
595                         $article_id = db_escape_string($_REQUEST['article_id']);
596
597                         $result = db_query($link, "SELECT content 
598                                 FROM ttrss_entries, ttrss_user_entries
599                                 WHERE id = '$article_id' AND ref_id = id AND owner_uid = ".$_SESSION['uid']);
600
601                         $content = sanitize_rss($link, db_fetch_result($result, 0, "content"));
602
603                         print json_encode(array("article" =>
604                                 array("id" => $id, "content" => $content)));
605                         return;
606                 }
607
608                 if ($subop == "digest-update") {
609                         header("Content-Type: text/plain");
610
611                         $feed_id = db_escape_string($_REQUEST['feed_id']);
612                         $offset = db_escape_string($_REQUEST['offset']);
613                         $seq = db_escape_string($_REQUEST['seq']);
614                 
615                         if (!$feed_id) $feed_id = -4;
616                         if (!$offset) $offset = 0;
617
618                         $reply = array();
619
620                         $reply['seq'] = $seq;
621
622                         $headlines = api_get_headlines($link, $feed_id, 10, $offset,
623                                 '', ($feed_id == -4), true, false, "unread", "updated DESC");
624
625                         //function api_get_headlines($link, $feed_id, $limit, $offset,
626                         //              $filter, $is_cat, $show_excerpt, $show_content, $view_mode) {
627
628                         $reply['headlines'] = array();
629                         $reply['headlines']['title'] = getFeedTitle($link, $feed_id);
630                         $reply['headlines']['content'] = $headlines;
631
632                         print json_encode($reply);
633                         return;
634                 }
635
636                 if ($subop == "digest-init") {
637                         header("Content-Type: text/plain");
638
639                         $tmp_feeds = api_get_feeds($link, -3, true, false, 0);
640
641                         $feeds = array();
642
643                         foreach ($tmp_feeds as $f) {
644                                 if ($f['id'] > 0 || $f['id'] == -4) array_push($feeds, $f);
645                         }
646
647                         print json_encode(array("feeds" => $feeds));
648
649                         return;
650                 }
651
652                 if ($subop == "catchupFeed") {
653                         $feed_id = db_escape_string($_REQUEST['feed_id']);
654                         $is_cat = db_escape_string($_REQUEST['is_cat']);
655
656                         catchup_feed($link, $feed_id, $is_cat);
657
658                         return;
659                 }
660
661                 if ($subop == "sendEmail") {
662                         header("Content-Type: text/plain");
663
664                         $secretkey = $_REQUEST['secretkey'];
665
666                         $reply = array();
667
668                         if (DIGEST_ENABLE && $_SESSION['email_secretkey'] && 
669                                                 $secretkey == $_SESSION['email_secretkey']) {
670
671                                 $_SESSION['email_secretkey'] = '';
672
673                                 $destination = $_REQUEST['destination'];
674                                 $subject = $_REQUEST['subject'];
675                                 $content = $_REQUEST['content'];
676
677                                 $replyto = strip_tags($_SESSION['email_replyto']);
678                                 $fromname = strip_tags($_SESSION['email_fromname']);
679
680                                 $mail = new PHPMailer();
681
682                                 $mail->PluginDir = "lib/phpmailer/";
683                                 $mail->SetLanguage("en", "lib/phpmailer/language/");
684
685                                 $mail->CharSet = "UTF-8";
686
687                                 $mail->From = $replyto;
688                                 $mail->FromName = $fromname;
689                                 $mail->AddAddress($destination);
690
691                                 if (DIGEST_SMTP_HOST) {
692                                         $mail->Host = DIGEST_SMTP_HOST;
693                                         $mail->Mailer = "smtp";
694                                         $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
695                                         $mail->Username = DIGEST_SMTP_LOGIN;
696                                         $mail->Password = DIGEST_SMTP_PASSWORD;
697                                 }
698
699                                 $mail->IsHTML(false);
700                                 $mail->Subject = $subject;
701                                 $mail->Body = $content;
702
703                                 $rc = $mail->Send();
704
705                                 if (!$rc) {
706                                         $reply['error'] =  $mail->ErrorInfo;
707                                 } else {
708                                         save_email_address($link, db_escape_string($destination));
709                                         $reply['message'] = "UPDATE_COUNTERS";
710                                 }
711
712                         } else {
713                                 $reply['error'] = "Not authorized.";
714                         }
715
716                         print json_encode($reply);
717                         return;
718                 }
719
720                 if ($subop == "completeEmails") {
721                         header("Content-Type: text/plain");
722
723                         $search = db_escape_string($_REQUEST["search"]);
724
725                         print "<ul>";
726
727                         foreach ($_SESSION['stored_emails'] as $email) {
728                                 if (strpos($email, $search) !== false) {
729                                         print "<li>$email</li>";
730                                 }
731                         }
732
733                         print "</ul>";
734
735                         return;
736                 }
737
738                 if ($subop == "quickAddCat") {
739                         header("Content-Type: text/plain");
740
741                         $cat = db_escape_string($_REQUEST["cat"]);
742
743                         add_feed_category($link, $cat);
744
745                         $result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE
746                                 title = '$cat' AND owner_uid = " . $_SESSION["uid"]);
747
748                         if (db_num_rows($result) == 1) {
749                                 $id = db_fetch_result($result, 0, "id");
750                         } else {
751                                 $id = 0;
752                         }
753
754                         print_feed_cat_select($link, "cat_id", $id);
755
756                         return;
757                 }
758
759                 if ($subop == "regenFeedKey") {
760                         header("Content-Type: text/plain");
761
762                         $feed_id = db_escape_string($_REQUEST['id']);
763                         $is_cat = (bool) db_escape_string($_REQUEST['is_cat']);
764
765                         $new_key = update_feed_access_key($link, $feed_id, $is_cat);
766
767                         print json_encode(array("link" => $new_key));
768                         return;
769                 }
770
771                 // Silent
772                 if ($subop == "clearKeys") {
773                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
774                                 owner_uid = " . $_SESSION["uid"]);
775
776                         return;
777                 }
778
779                 if ($subop == "verifyRegexp") {
780                         header("Content-Type: text/plain");
781
782                         $reg_exp = $_REQUEST["reg_exp"];
783
784                         $status = @preg_match("/$reg_exp/i", "TEST") !== false;
785
786                         print json_encode(array("status" => $status));
787                         return;
788                 }
789
790                 // TODO: unify with digest-get-contents?
791                 if ($subop == "cdmGetArticle") {
792                         header("Content-Type: text/plain");
793
794                         $id = db_escape_string($_REQUEST["id"]);
795
796                         $result = db_query($link, "SELECT content, 
797                                 ttrss_feeds.site_url AS site_url FROM ttrss_user_entries, ttrss_feeds, 
798                                 ttrss_entries
799                                 WHERE feed_id = ttrss_feeds.id AND ref_id = '$id' AND 
800                                 ttrss_entries.id = ref_id AND
801                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
802
803                         if (db_num_rows($result) != 0) {
804                                 $line = db_fetch_assoc($result);
805
806                                 $article_content = sanitize_rss($link, $line["content"], 
807                                         false, false, $line['site_url']);
808                         
809                         } else {
810                                 $article_content = '';
811                         }
812
813                         print json_encode(array("article" =>
814                                 array("id" => $id, "content" => $article_content)));
815
816                         return;
817                 }
818
819                 if ($subop == "scheduleFeedUpdate") {
820                         header("Content-Type: text/plain");
821
822                         $feed_id = db_escape_string($_REQUEST["id"]);
823                         $is_cat =  db_escape_string($_REQUEST['is_cat']) == 'true';
824
825                         $message = __("Your request could not be completed.");
826
827                         if ($feed_id >= 0) {
828                                 if (!$is_cat) {
829                                         $message = __("Feed update has been scheduled.");
830
831                                         db_query($link, "UPDATE ttrss_feeds SET
832                                                 last_update_started = '1970-01-01',
833                                                 last_updated = '1970-01-01' WHERE id = '$feed_id' AND
834                                                 owner_uid = ".$_SESSION["uid"]);
835
836                                 } else {
837                                         $message = __("Category update has been scheduled.");
838
839                                         if ($feed_id) 
840                                                 $cat_query = "cat_id = '$feed_id'";
841                                         else
842                                                 $cat_query = "cat_id IS NULL";
843
844                                         db_query($link, "UPDATE ttrss_feeds SET
845                                                 last_update_started = '1970-01-01',
846                                                 last_updated = '1970-01-01' WHERE $cat_query AND
847                                                 owner_uid = ".$_SESSION["uid"]);
848                                 }
849                         } else {
850                                 $message = __("Can't update this kind of feed.");
851                         }
852
853                         print json_encode(array("message" => $message));
854                         return;
855                 }
856
857                 if ($subop == "getTweetInfo") {
858                         header("Content-Type: text/plain");
859                         $id = db_escape_string($_REQUEST['id']);
860
861                         $result = db_query($link, "SELECT title, link 
862                                 FROM ttrss_entries, ttrss_user_entries
863                                 WHERE id = '$id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
864
865                         if (db_num_rows($result) != 0) {
866                                 $title = truncate_string(strip_tags(db_fetch_result($result, 0, 'title')),
867                                         100, '...');
868                                 $article_link = db_fetch_result($result, 0, 'link');
869                         }
870
871                         print json_encode(array("title" => $title, "link" => $article_link,
872                                 "id" => $id));
873
874                         return;
875                 }
876
877                 if ($subop == "setNote") {
878                         header("Content-Type: text/plain");
879
880                         $id = db_escape_string($_REQUEST["id"]);
881                         $note = strip_tags(db_escape_string($_REQUEST["note"]));
882
883                         db_query($link, "UPDATE ttrss_user_entries SET note = '$note'
884                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
885
886                         $formatted_note = format_article_note($id, $note);
887
888                         print json_encode(array("note" => $formatted_note));
889                         return;
890                 }
891
892                 print "<rpc-reply><error>Unknown method: $subop</error></rpc-reply>";
893         }
894 ?>