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move changing password code to authentication modules
[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 25);
3 define('SCHEMA_VERSION', 94);
4
5 function __autoload($class) {
6 $file = dirname(__FILE__)."/../classes/".strtolower(basename($class)).".php";
7 if (file_exists($file)) {
8 require $file;
9 }
10 }
11
12 mb_internal_encoding("UTF-8");
13 date_default_timezone_set('UTC');
14 if (defined('E_DEPRECATED')) {
15 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
16 } else {
17 error_reporting(E_ALL & ~E_NOTICE);
18 }
19
20 require_once 'config.php';
21
22 if (DB_TYPE == "pgsql") {
23 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
24 } else {
25 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
26 }
27
28 define('THEME_VERSION_REQUIRED', 1.1);
29
30 /**
31 * Return available translations names.
32 *
33 * @access public
34 * @return array A array of available translations.
35 */
36 function get_translations() {
37 $tr = array(
38 "auto" => "Detect automatically",
39 "ca_CA" => "Català",
40 "en_US" => "English",
41 "es_ES" => "Español",
42 "de_DE" => "Deutsch",
43 "fr_FR" => "Français",
44 "hu_HU" => "Magyar (Hungarian)",
45 "it_IT" => "Italiano",
46 "ja_JP" => "日本語 (Japanese)",
47 "nb_NO" => "Norwegian bokmål",
48 "ru_RU" => "Русский",
49 "pt_BR" => "Portuguese/Brazil",
50 "zh_CN" => "Simplified Chinese");
51
52 return $tr;
53 }
54
55 require_once "lib/accept-to-gettext.php";
56 require_once "lib/gettext/gettext.inc";
57
58 function startup_gettext() {
59
60 # Get locale from Accept-Language header
61 $lang = al2gt(array_keys(get_translations()), "text/html");
62
63 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
64 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
65 }
66
67 if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
68 $lang = $_COOKIE["ttrss_lang"];
69 }
70
71 /* In login action of mobile version */
72 if ($_POST["language"] && defined('MOBILE_VERSION')) {
73 $lang = $_POST["language"];
74 $_COOKIE["ttrss_lang"] = $lang;
75 }
76
77 if ($lang) {
78 if (defined('LC_MESSAGES')) {
79 _setlocale(LC_MESSAGES, $lang);
80 } else if (defined('LC_ALL')) {
81 _setlocale(LC_ALL, $lang);
82 }
83
84 if (defined('MOBILE_VERSION')) {
85 _bindtextdomain("messages", "../locale");
86 } else {
87 _bindtextdomain("messages", "locale");
88 }
89
90 _textdomain("messages");
91 _bind_textdomain_codeset("messages", "UTF-8");
92 }
93 }
94
95 startup_gettext();
96
97 require_once 'db-prefs.php';
98 require_once 'version.php';
99
100 define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
101
102 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
103 define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
104
105 ini_set('user_agent', SELF_USER_AGENT);
106
107 require_once 'lib/pubsubhubbub/publisher.php';
108
109 $purifier = false;
110
111 $tz_offset = -1;
112 $utc_tz = new DateTimeZone('UTC');
113 $schema_version = false;
114
115 /**
116 * Print a timestamped debug message.
117 *
118 * @param string $msg The debug message.
119 * @return void
120 */
121 function _debug($msg) {
122 if (defined('QUIET') && QUIET) {
123 return;
124 }
125 $ts = strftime("%H:%M:%S", time());
126 if (function_exists('posix_getpid')) {
127 $ts = "$ts/" . posix_getpid();
128 }
129 print "[$ts] $msg\n";
130 } // function _debug
131
132 /**
133 * Purge a feed old posts.
134 *
135 * @param mixed $link A database connection.
136 * @param mixed $feed_id The id of the purged feed.
137 * @param mixed $purge_interval Olderness of purged posts.
138 * @param boolean $debug Set to True to enable the debug. False by default.
139 * @access public
140 * @return void
141 */
142 function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
143
144 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
145
146 $rows = -1;
147
148 $result = db_query($link,
149 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
150
151 $owner_uid = false;
152
153 if (db_num_rows($result) == 1) {
154 $owner_uid = db_fetch_result($result, 0, "owner_uid");
155 }
156
157 if ($purge_interval == -1 || !$purge_interval) {
158 if ($owner_uid) {
159 ccache_update($link, $feed_id, $owner_uid);
160 }
161 return;
162 }
163
164 if (!$owner_uid) return;
165
166 if (FORCE_ARTICLE_PURGE == 0) {
167 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
168 $owner_uid, false);
169 } else {
170 $purge_unread = true;
171 $purge_interval = FORCE_ARTICLE_PURGE;
172 }
173
174 if (!$purge_unread) $query_limit = " unread = false AND ";
175
176 if (DB_TYPE == "pgsql") {
177 $pg_version = get_pgsql_version($link);
178
179 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
180
181 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
182 ttrss_entries.id = ref_id AND
183 marked = false AND
184 feed_id = '$feed_id' AND
185 $query_limit
186 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
187
188 } else {
189
190 $result = db_query($link, "DELETE FROM ttrss_user_entries
191 USING ttrss_entries
192 WHERE ttrss_entries.id = ref_id AND
193 marked = false AND
194 feed_id = '$feed_id' AND
195 $query_limit
196 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
197 }
198
199 $rows = pg_affected_rows($result);
200
201 } else {
202
203 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
204 marked = false AND feed_id = '$feed_id' AND
205 (SELECT date_updated FROM ttrss_entries WHERE
206 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
207
208 $result = db_query($link, "DELETE FROM ttrss_user_entries
209 USING ttrss_user_entries, ttrss_entries
210 WHERE ttrss_entries.id = ref_id AND
211 marked = false AND
212 feed_id = '$feed_id' AND
213 $query_limit
214 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
215
216 $rows = mysql_affected_rows($link);
217
218 }
219
220 ccache_update($link, $feed_id, $owner_uid);
221
222 if ($debug) {
223 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
224 }
225 } // function purge_feed
226
227 function feed_purge_interval($link, $feed_id) {
228
229 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
230 WHERE id = '$feed_id'");
231
232 if (db_num_rows($result) == 1) {
233 $purge_interval = db_fetch_result($result, 0, "purge_interval");
234 $owner_uid = db_fetch_result($result, 0, "owner_uid");
235
236 if ($purge_interval == 0) $purge_interval = get_pref($link,
237 'PURGE_OLD_DAYS', $owner_uid);
238
239 return $purge_interval;
240
241 } else {
242 return -1;
243 }
244 }
245
246 function purge_orphans($link, $do_output = false) {
247
248 // purge orphaned posts in main content table
249 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
250 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
251
252 if ($do_output) {
253 $rows = db_affected_rows($link, $result);
254 _debug("Purged $rows orphaned posts.");
255 }
256 }
257
258 function get_feed_update_interval($link, $feed_id) {
259 $result = db_query($link, "SELECT owner_uid, update_interval FROM
260 ttrss_feeds WHERE id = '$feed_id'");
261
262 if (db_num_rows($result) == 1) {
263 $update_interval = db_fetch_result($result, 0, "update_interval");
264 $owner_uid = db_fetch_result($result, 0, "owner_uid");
265
266 if ($update_interval != 0) {
267 return $update_interval;
268 } else {
269 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
270 }
271
272 } else {
273 return -1;
274 }
275 }
276
277 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
278 $login = urlencode($login);
279 $pass = urlencode($pass);
280
281 if (function_exists('curl_init') && !ini_get("open_basedir")) {
282 $ch = curl_init($url);
283
284 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
285 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
286 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
287 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
288 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
289 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
290 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
291 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
292 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
293 curl_setopt($ch, CURLOPT_ENCODING , "gzip");
294
295 if ($post_query) {
296 curl_setopt($ch, CURLOPT_POST, true);
297 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
298 }
299
300 if ($login && $pass)
301 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
302
303 $contents = @curl_exec($ch);
304
305 if ($contents === false) {
306 curl_close($ch);
307 return false;
308 }
309
310 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
311 $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
312 curl_close($ch);
313
314 if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
315 return false;
316 }
317
318 return $contents;
319 } else {
320 if ($login && $pass ){
321 $url_parts = array();
322
323 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
324
325 if ($url_parts[1] && $url_parts[2]) {
326 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
327 }
328 }
329
330 return @file_get_contents($url);
331 }
332
333 }
334
335 /**
336 * Try to determine the favicon URL for a feed.
337 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
338 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
339 *
340 * @param string $url A feed or page URL
341 * @access public
342 * @return mixed The favicon URL, or false if none was found.
343 */
344 function get_favicon_url($url) {
345
346 $favicon_url = false;
347
348 if ($html = @fetch_file_contents($url)) {
349
350 libxml_use_internal_errors(true);
351
352 $doc = new DOMDocument();
353 $doc->loadHTML($html);
354 $xpath = new DOMXPath($doc);
355
356 $base = $xpath->query('/html/head/base');
357 foreach ($base as $b) {
358 $url = $b->getAttribute("href");
359 break;
360 }
361
362 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
363 if (count($entries) > 0) {
364 foreach ($entries as $entry) {
365 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
366 break;
367 }
368 }
369 }
370
371 if (!$favicon_url)
372 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
373
374 return $favicon_url;
375 } // function get_favicon_url
376
377 function check_feed_favicon($site_url, $feed, $link) {
378 # print "FAVICON [$site_url]: $favicon_url\n";
379
380 $icon_file = ICONS_DIR . "/$feed.ico";
381
382 if (!file_exists($icon_file)) {
383 $favicon_url = get_favicon_url($site_url);
384
385 if ($favicon_url) {
386 // Limiting to "image" type misses those served with text/plain
387 $contents = fetch_file_contents($favicon_url); // , "image");
388
389 if ($contents) {
390 // Crude image type matching.
391 // Patterns gleaned from the file(1) source code.
392 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
393 // 0 string \000\000\001\000 MS Windows icon resource
394 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
395 }
396 elseif (preg_match('/^GIF8/', $contents)) {
397 // 0 string GIF8 GIF image data
398 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
399 }
400 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
401 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
402 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
403 }
404 elseif (preg_match('/^\xff\xd8/', $contents)) {
405 // 0 beshort 0xffd8 JPEG image data
406 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
407 }
408 else {
409 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
410 $contents = "";
411 }
412 }
413
414 if ($contents) {
415 $fp = @fopen($icon_file, "w");
416
417 if ($fp) {
418 fwrite($fp, $contents);
419 fclose($fp);
420 chmod($icon_file, 0644);
421 }
422 }
423 }
424 }
425 }
426
427 function print_select($id, $default, $values, $attributes = "") {
428 print "<select name=\"$id\" id=\"$id\" $attributes>";
429 foreach ($values as $v) {
430 if ($v == $default)
431 $sel = "selected=\"1\"";
432 else
433 $sel = "";
434
435 print "<option value=\"$v\" $sel>$v</option>";
436 }
437 print "</select>";
438 }
439
440 function print_select_hash($id, $default, $values, $attributes = "") {
441 print "<select name=\"$id\" id='$id' $attributes>";
442 foreach (array_keys($values) as $v) {
443 if ($v == $default)
444 $sel = 'selected="selected"';
445 else
446 $sel = "";
447
448 print "<option $sel value=\"$v\">".$values[$v]."</option>";
449 }
450
451 print "</select>";
452 }
453
454 function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
455 $matches = array();
456
457 if ($filters["title"]) {
458 foreach ($filters["title"] as $filter) {
459 $reg_exp = $filter["reg_exp"];
460 $inverse = $filter["inverse"];
461 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
462 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
463
464 array_push($matches, array($filter["action"], $filter["action_param"]));
465 }
466 }
467 }
468
469 if ($filters["content"]) {
470 foreach ($filters["content"] as $filter) {
471 $reg_exp = $filter["reg_exp"];
472 $inverse = $filter["inverse"];
473
474 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
475 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
476
477 array_push($matches, array($filter["action"], $filter["action_param"]));
478 }
479 }
480 }
481
482 if ($filters["both"]) {
483 foreach ($filters["both"] as $filter) {
484 $reg_exp = $filter["reg_exp"];
485 $inverse = $filter["inverse"];
486
487 if ($inverse) {
488 if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
489 array_push($matches, array($filter["action"], $filter["action_param"]));
490 }
491 } else {
492 if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
493 array_push($matches, array($filter["action"], $filter["action_param"]));
494 }
495 }
496 }
497 }
498
499 if ($filters["link"]) {
500 $reg_exp = $filter["reg_exp"];
501 foreach ($filters["link"] as $filter) {
502 $reg_exp = $filter["reg_exp"];
503 $inverse = $filter["inverse"];
504
505 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
506 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
507
508 array_push($matches, array($filter["action"], $filter["action_param"]));
509 }
510 }
511 }
512
513 if ($filters["date"]) {
514 $reg_exp = $filter["reg_exp"];
515 foreach ($filters["date"] as $filter) {
516 $date_modifier = $filter["filter_param"];
517 $inverse = $filter["inverse"];
518 $check_timestamp = strtotime($filter["reg_exp"]);
519
520 # no-op when timestamp doesn't parse to prevent misfires
521
522 if ($check_timestamp) {
523 $match_ok = false;
524
525 if ($date_modifier == "before" && $timestamp < $check_timestamp ||
526 $date_modifier == "after" && $timestamp > $check_timestamp) {
527 $match_ok = true;
528 }
529
530 if ($inverse) $match_ok = !$match_ok;
531
532 if ($match_ok) {
533 array_push($matches, array($filter["action"], $filter["action_param"]));
534 }
535 }
536 }
537 }
538
539 if ($filters["author"]) {
540 foreach ($filters["author"] as $filter) {
541 $reg_exp = $filter["reg_exp"];
542 $inverse = $filter["inverse"];
543 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
544 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
545
546 array_push($matches, array($filter["action"], $filter["action_param"]));
547 }
548 }
549 }
550
551 if ($filters["tag"]) {
552
553 $tag_string = join(",", $tags);
554
555 foreach ($filters["tag"] as $filter) {
556 $reg_exp = $filter["reg_exp"];
557 $inverse = $filter["inverse"];
558
559 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
560 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
561
562 array_push($matches, array($filter["action"], $filter["action_param"]));
563 }
564 }
565 }
566
567
568 return $matches;
569 }
570
571 function find_article_filter($filters, $filter_name) {
572 foreach ($filters as $f) {
573 if ($f[0] == $filter_name) {
574 return $f;
575 };
576 }
577 return false;
578 }
579
580 function calculate_article_score($filters) {
581 $score = 0;
582
583 foreach ($filters as $f) {
584 if ($f[0] == "score") {
585 $score += $f[1];
586 };
587 }
588 return $score;
589 }
590
591 function assign_article_to_labels($link, $id, $filters, $owner_uid) {
592 foreach ($filters as $f) {
593 if ($f[0] == "label") {
594 label_add_article($link, $id, $f[1], $owner_uid);
595 };
596 }
597 }
598
599 function getmicrotime() {
600 list($usec, $sec) = explode(" ",microtime());
601 return ((float)$usec + (float)$sec);
602 }
603
604 function print_radio($id, $default, $true_is, $values, $attributes = "") {
605 foreach ($values as $v) {
606
607 if ($v == $default)
608 $sel = "checked";
609 else
610 $sel = "";
611
612 if ($v == $true_is) {
613 $sel .= " value=\"1\"";
614 } else {
615 $sel .= " value=\"0\"";
616 }
617
618 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
619 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
620
621 }
622 }
623
624 function initialize_user_prefs($link, $uid, $profile = false) {
625
626 $uid = db_escape_string($uid);
627
628 if (!$profile) {
629 $profile = "NULL";
630 $profile_qpart = "AND profile IS NULL";
631 } else {
632 $profile_qpart = "AND profile = '$profile'";
633 }
634
635 if (get_schema_version($link) < 63) $profile_qpart = "";
636
637 db_query($link, "BEGIN");
638
639 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
640
641 $u_result = db_query($link, "SELECT pref_name
642 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
643
644 $active_prefs = array();
645
646 while ($line = db_fetch_assoc($u_result)) {
647 array_push($active_prefs, $line["pref_name"]);
648 }
649
650 while ($line = db_fetch_assoc($result)) {
651 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
652 // print "adding " . $line["pref_name"] . "<br>";
653
654 if (get_schema_version($link) < 63) {
655 db_query($link, "INSERT INTO ttrss_user_prefs
656 (owner_uid,pref_name,value) VALUES
657 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
658
659 } else {
660 db_query($link, "INSERT INTO ttrss_user_prefs
661 (owner_uid,pref_name,value, profile) VALUES
662 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
663 }
664
665 }
666 }
667
668 db_query($link, "COMMIT");
669
670 }
671
672 function get_ssl_certificate_id() {
673 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
674 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
675 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
676 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
677 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
678 }
679 return "";
680 }
681
682 function authenticate_user($link, $login, $password, $check_only = false) {
683
684 if (!SINGLE_USER_MODE) {
685
686 $user_id = false;
687 $modules = explode(",", AUTH_MODULES);
688
689 foreach ($modules as $module) {
690 $module_class = "auth_$module";
691 if (class_exists($module_class)) {
692 $authenticator = new $module_class($link);
693
694 $user_id = (int) $authenticator->authenticate($login, $password);
695
696 if ($user_id) {
697 $_SESSION["auth_module"] = $module;
698 break;
699 }
700
701 } else {
702 print T_sprintf("Fatal: authentication module %s not found.", $module);
703 die;
704 }
705 }
706
707 if ($user_id && !$check_only) {
708 $_SESSION["uid"] = $user_id;
709
710 $result = db_query($link, "SELECT login,access_level,pwd_hash FROM ttrss_users
711 WHERE id = '$user_id'");
712
713 $_SESSION["name"] = db_fetch_result($result, 0, "login");
714 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
715 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
716
717 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
718 $_SESSION["uid"]);
719
720 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
721 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
722
723 $_SESSION["last_version_check"] = time();
724
725 initialize_user_prefs($link, $_SESSION["uid"]);
726
727 return true;
728 }
729
730 return false;
731
732 } else {
733
734 $_SESSION["uid"] = 1;
735 $_SESSION["name"] = "admin";
736 $_SESSION["access_level"] = 10;
737
738 $_SESSION["hide_hello"] = true;
739 $_SESSION["hide_logout"] = true;
740
741 $_SESSION["auth_module"] = false;
742
743 if (!$_SESSION["csrf_token"]) {
744 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
745 }
746
747 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
748
749 initialize_user_prefs($link, $_SESSION["uid"]);
750
751 return true;
752 }
753 }
754
755 function make_password($length = 8) {
756
757 $password = "";
758 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
759
760 $i = 0;
761
762 while ($i < $length) {
763 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
764
765 if (!strstr($password, $char)) {
766 $password .= $char;
767 $i++;
768 }
769 }
770 return $password;
771 }
772
773 // this is called after user is created to initialize default feeds, labels
774 // or whatever else
775
776 // user preferences are checked on every login, not here
777
778 function initialize_user($link, $uid) {
779
780 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
781 values ('$uid', 'Tiny Tiny RSS: New Releases',
782 'http://tt-rss.org/releases.rss')");
783
784 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
785 values ('$uid', 'Tiny Tiny RSS: Forum',
786 'http://tt-rss.org/forum/rss.php')");
787 }
788
789 function logout_user() {
790 session_destroy();
791 if (isset($_COOKIE[session_name()])) {
792 setcookie(session_name(), '', time()-42000, '/');
793 }
794 }
795
796 function validate_csrf($csrf_token) {
797 return $csrf_token == $_SESSION['csrf_token'];
798 }
799
800 function validate_session($link) {
801 if (SINGLE_USER_MODE) return true;
802
803 $check_ip = $_SESSION['ip_address'];
804
805 switch (SESSION_CHECK_ADDRESS) {
806 case 0:
807 $check_ip = '';
808 break;
809 case 1:
810 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
811 break;
812 case 2:
813 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
814 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
815 break;
816 };
817
818 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
819 $_SESSION["login_error_msg"] =
820 __("Session failed to validate (incorrect IP)");
821 return false;
822 }
823
824 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
825 return false;
826
827 if ($_SESSION["uid"]) {
828
829 $result = db_query($link,
830 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
831
832 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
833
834 if ($pwd_hash != $_SESSION["pwd_hash"]) {
835 return false;
836 }
837 }
838
839 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
840
841 //print_r($_SESSION);
842
843 if (time() > $_SESSION["cookie_lifetime"]) {
844 return false;
845 }
846 } */
847
848 return true;
849 }
850
851 function login_sequence($link, $mobile = false) {
852 $_SESSION["prefs_cache"] = array();
853
854 if (!SINGLE_USER_MODE) {
855
856 $login_action = $_POST["login_action"];
857
858 # try to authenticate user if called from login form
859 if ($login_action == "do_login") {
860 $login = db_escape_string($_POST["login"]);
861 $password = $_POST["password"];
862 $remember_me = $_POST["remember_me"];
863
864 if (authenticate_user($link, $login, $password)) {
865 $_POST["password"] = "";
866
867 $_SESSION["language"] = $_POST["language"];
868 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
869 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
870
871 if ($_POST["profile"]) {
872
873 $profile = db_escape_string($_POST["profile"]);
874
875 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
876 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
877
878 if (db_num_rows($result) != 0) {
879 $_SESSION["profile"] = $profile;
880 $_SESSION["prefs_cache"] = array();
881 }
882 }
883
884 if ($_REQUEST['return']) {
885 header("Location: " . $_REQUEST['return']);
886 } else {
887 header("Location: " . $_SERVER["REQUEST_URI"]);
888 }
889
890 exit;
891
892 return;
893 } else {
894 $_SESSION["login_error_msg"] = __("Incorrect username or password");
895 }
896 }
897
898 if (!$_SESSION["uid"] || !validate_session($link)) {
899
900 if (AUTH_AUTO_LOGIN && authenticate_user($link, null, null)) {
901 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
902 } else {
903 authenticate_user($link, null, null, true);
904 render_login_form($link, $mobile);
905 exit;
906 }
907 } else {
908 /* bump login timestamp */
909 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
910 $_SESSION["uid"]);
911
912 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
913 setcookie("ttrss_lang", $_SESSION["language"],
914 time() + SESSION_COOKIE_LIFETIME);
915 }
916
917 // try to remove possible duplicates from feed counter cache
918 // ccache_cleanup($link, $_SESSION["uid"]);
919 }
920
921 } else {
922 return authenticate_user($link, "admin", null);
923 }
924 }
925
926 function truncate_string($str, $max_len, $suffix = '&hellip;') {
927 if (mb_strlen($str, "utf-8") > $max_len - 3) {
928 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
929 } else {
930 return $str;
931 }
932 }
933
934 function theme_image($link, $filename) {
935 if ($link) {
936 $theme_path = get_user_theme_path($link);
937
938 if ($theme_path && is_file($theme_path.$filename)) {
939 return $theme_path.$filename;
940 } else {
941 return $filename;
942 }
943 } else {
944 return $filename;
945 }
946 }
947
948 function get_user_theme($link) {
949
950 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
951 $theme_name = get_pref($link, "_THEME_ID");
952 if (is_dir("themes/$theme_name")) {
953 return $theme_name;
954 } else {
955 return '';
956 }
957 } else {
958 return '';
959 }
960
961 }
962
963 function get_user_theme_path($link) {
964 $theme_path = '';
965
966 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
967 $theme_name = get_pref($link, "_THEME_ID");
968
969 if ($theme_name && is_dir("themes/$theme_name")) {
970 $theme_path = "themes/$theme_name/";
971 } else {
972 $theme_name = '';
973 }
974 } else {
975 $theme_path = '';
976 }
977
978 if ($theme_path) {
979 if (is_file("$theme_path/theme.ini")) {
980 $ini = parse_ini_file("$theme_path/theme.ini", true);
981 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
982 return $theme_path;
983 }
984 }
985 }
986 return '';
987 }
988
989 function get_user_theme_options($link) {
990 $t = get_user_theme_path($link);
991
992 if ($t) {
993 if (is_file("$t/theme.ini")) {
994 $ini = parse_ini_file("$t/theme.ini", true);
995 if ($ini['theme']['version']) {
996 return $ini['theme']['options'];
997 }
998 }
999 }
1000 return '';
1001 }
1002
1003 function print_theme_includes($link) {
1004
1005 $t = get_user_theme_path($link);
1006 $time = time();
1007
1008 if ($t) {
1009 print "<link rel=\"stylesheet\" type=\"text/css\"
1010 href=\"$t/theme.css?$time \">";
1011 if (file_exists("$t/theme.js")) {
1012 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
1013 </script>";
1014 }
1015 }
1016 }
1017
1018 function get_all_themes() {
1019 $themes = glob("themes/*");
1020
1021 asort($themes);
1022
1023 $rv = array();
1024
1025 foreach ($themes as $t) {
1026 if (is_file("$t/theme.ini")) {
1027 $ini = parse_ini_file("$t/theme.ini", true);
1028 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
1029 !$ini['theme']['disabled']) {
1030 $entry = array();
1031 $entry["path"] = $t;
1032 $entry["base"] = basename($t);
1033 $entry["name"] = $ini['theme']['name'];
1034 $entry["version"] = $ini['theme']['version'];
1035 $entry["author"] = $ini['theme']['author'];
1036 $entry["options"] = $ini['theme']['options'];
1037 array_push($rv, $entry);
1038 }
1039 }
1040 }
1041
1042 return $rv;
1043 }
1044
1045 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
1046
1047 try {
1048 $source_tz = new DateTimeZone($source_tz);
1049 } catch (Exception $e) {
1050 $source_tz = new DateTimeZone('UTC');
1051 }
1052
1053 try {
1054 $dest_tz = new DateTimeZone($dest_tz);
1055 } catch (Exception $e) {
1056 $dest_tz = new DateTimeZone('UTC');
1057 }
1058
1059 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
1060 return $dt->format('U') + $dest_tz->getOffset($dt);
1061 }
1062
1063 function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
1064 $no_smart_dt = false) {
1065
1066 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1067 if (!$timestamp) $timestamp = '1970-01-01 0:00';
1068
1069 global $utc_tz;
1070 global $tz_offset;
1071
1072 # We store date in UTC internally
1073 $dt = new DateTime($timestamp, $utc_tz);
1074
1075 if ($tz_offset == -1) {
1076
1077 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
1078
1079 try {
1080 $user_tz = new DateTimeZone($user_tz_string);
1081 } catch (Exception $e) {
1082 $user_tz = $utc_tz;
1083 }
1084
1085 $tz_offset = $user_tz->getOffset($dt);
1086 }
1087
1088 $user_timestamp = $dt->format('U') + $tz_offset;
1089
1090 if (!$no_smart_dt) {
1091 return smart_date_time($link, $user_timestamp,
1092 $tz_offset, $owner_uid);
1093 } else {
1094 if ($long)
1095 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1096 else
1097 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1098
1099 return date($format, $user_timestamp);
1100 }
1101 }
1102
1103 function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
1104 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1105
1106 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
1107 return date("G:i", $timestamp);
1108 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
1109 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1110 return date($format, $timestamp);
1111 } else {
1112 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1113 return date($format, $timestamp);
1114 }
1115 }
1116
1117 function sql_bool_to_bool($s) {
1118 if ($s == "t" || $s == "1" || $s == "true") {
1119 return true;
1120 } else {
1121 return false;
1122 }
1123 }
1124
1125 function bool_to_sql_bool($s) {
1126 if ($s) {
1127 return "true";
1128 } else {
1129 return "false";
1130 }
1131 }
1132
1133 // Session caching removed due to causing wrong redirects to upgrade
1134 // script when get_schema_version() is called on an obsolete session
1135 // created on a previous schema version.
1136 function get_schema_version($link, $nocache = false) {
1137 global $schema_version;
1138
1139 if (!$schema_version) {
1140 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1141 $version = db_fetch_result($result, 0, "schema_version");
1142 $schema_version = $version;
1143 return $version;
1144 } else {
1145 return $schema_version;
1146 }
1147 }
1148
1149 function sanity_check($link) {
1150 require_once 'errors.php';
1151
1152 $error_code = 0;
1153 $schema_version = get_schema_version($link, true);
1154
1155 if ($schema_version != SCHEMA_VERSION) {
1156 $error_code = 5;
1157 }
1158
1159 if (DB_TYPE == "mysql") {
1160 $result = db_query($link, "SELECT true", false);
1161 if (db_num_rows($result) != 1) {
1162 $error_code = 10;
1163 }
1164 }
1165
1166 if (db_escape_string("testTEST") != "testTEST") {
1167 $error_code = 12;
1168 }
1169
1170 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1171 }
1172
1173 function file_is_locked($filename) {
1174 if (function_exists('flock')) {
1175 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1176 if ($fp) {
1177 if (flock($fp, LOCK_EX | LOCK_NB)) {
1178 flock($fp, LOCK_UN);
1179 fclose($fp);
1180 return false;
1181 }
1182 fclose($fp);
1183 return true;
1184 } else {
1185 return false;
1186 }
1187 }
1188 return true; // consider the file always locked and skip the test
1189 }
1190
1191 function make_lockfile($filename) {
1192 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1193
1194 if (flock($fp, LOCK_EX | LOCK_NB)) {
1195 if (function_exists('posix_getpid')) {
1196 fwrite($fp, posix_getpid() . "\n");
1197 }
1198 return $fp;
1199 } else {
1200 return false;
1201 }
1202 }
1203
1204 function make_stampfile($filename) {
1205 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1206
1207 if (flock($fp, LOCK_EX | LOCK_NB)) {
1208 fwrite($fp, time() . "\n");
1209 flock($fp, LOCK_UN);
1210 fclose($fp);
1211 return true;
1212 } else {
1213 return false;
1214 }
1215 }
1216
1217 function sql_random_function() {
1218 if (DB_TYPE == "mysql") {
1219 return "RAND()";
1220 } else {
1221 return "RANDOM()";
1222 }
1223 }
1224
1225 function catchup_feed($link, $feed, $cat_view, $owner_uid = false, $max_id = false) {
1226
1227 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1228
1229 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1230
1231 $ref_check_qpart = ($max_id &&
1232 !get_pref($link, 'REVERSE_HEADLINES')) ? "ref_id <= '$max_id'" : "true";
1233
1234 if (is_numeric($feed)) {
1235 if ($cat_view) {
1236
1237 if ($feed >= 0) {
1238
1239 if ($feed > 0) {
1240 $cat_qpart = "cat_id = '$feed'";
1241 } else {
1242 $cat_qpart = "cat_id IS NULL";
1243 }
1244
1245 $tmp_result = db_query($link, "SELECT id
1246 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
1247
1248 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1249
1250 $tmp_feed = $tmp_line["id"];
1251
1252 db_query($link, "UPDATE ttrss_user_entries
1253 SET unread = false,last_read = NOW()
1254 WHERE feed_id = '$tmp_feed'
1255 AND $ref_check_qpart
1256 AND owner_uid = $owner_uid");
1257 }
1258 } else if ($feed == -2) {
1259
1260 db_query($link, "UPDATE ttrss_user_entries
1261 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1262 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1263 AND $ref_check_qpart
1264 AND unread = true AND owner_uid = $owner_uid");
1265 }
1266
1267 } else if ($feed > 0) {
1268
1269 db_query($link, "UPDATE ttrss_user_entries
1270 SET unread = false,last_read = NOW()
1271 WHERE feed_id = '$feed'
1272 AND $ref_check_qpart
1273 AND owner_uid = $owner_uid");
1274
1275 } else if ($feed < 0 && $feed > -10) { // special, like starred
1276
1277 if ($feed == -1) {
1278 db_query($link, "UPDATE ttrss_user_entries
1279 SET unread = false,last_read = NOW()
1280 WHERE marked = true
1281 AND $ref_check_qpart
1282 AND owner_uid = $owner_uid");
1283 }
1284
1285 if ($feed == -2) {
1286 db_query($link, "UPDATE ttrss_user_entries
1287 SET unread = false,last_read = NOW()
1288 WHERE published = true
1289 AND $ref_check_qpart
1290 AND owner_uid = $owner_uid");
1291 }
1292
1293 if ($feed == -3) {
1294
1295 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1296
1297 if (DB_TYPE == "pgsql") {
1298 $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
1299 } else {
1300 $match_part = "updated > DATE_SUB(NOW(),
1301 INTERVAL $intl HOUR) ";
1302 }
1303
1304 $result = db_query($link, "SELECT id FROM ttrss_entries,
1305 ttrss_user_entries WHERE $match_part AND
1306 unread = true AND
1307 ttrss_user_entries.ref_id = ttrss_entries.id AND
1308 owner_uid = $owner_uid");
1309
1310 $affected_ids = array();
1311
1312 while ($line = db_fetch_assoc($result)) {
1313 array_push($affected_ids, $line["id"]);
1314 }
1315
1316 catchupArticlesById($link, $affected_ids, 0);
1317 }
1318
1319 if ($feed == -4) {
1320 db_query($link, "UPDATE ttrss_user_entries
1321 SET unread = false,last_read = NOW()
1322 WHERE $ref_check_qpart AND owner_uid = $owner_uid");
1323 }
1324
1325 } else if ($feed < -10) { // label
1326
1327 $label_id = -$feed - 11;
1328
1329 db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
1330 SET unread = false, last_read = NOW()
1331 WHERE label_id = '$label_id' AND unread = true
1332 AND $ref_check_qpart
1333 AND owner_uid = '$owner_uid' AND ref_id = article_id");
1334
1335 }
1336
1337 ccache_update($link, $feed, $owner_uid, $cat_view);
1338
1339 } else { // tag
1340 db_query($link, "BEGIN");
1341
1342 $tag_name = db_escape_string($feed);
1343
1344 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1345 WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
1346
1347 while ($line = db_fetch_assoc($result)) {
1348 db_query($link, "UPDATE ttrss_user_entries SET
1349 unread = false, last_read = NOW()
1350 WHERE $ref_check_qpart AND int_id = " . $line["post_int_id"]);
1351 }
1352 db_query($link, "COMMIT");
1353 }
1354 }
1355
1356 function getAllCounters($link, $omode = "flc", $active_feed = false) {
1357
1358 if (!$omode) $omode = "flc";
1359
1360 $data = getGlobalCounters($link);
1361
1362 $data = array_merge($data, getVirtCounters($link));
1363
1364 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
1365 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
1366 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
1367 if (strchr($omode, "c")) $data = array_merge($data, getCategoryCounters($link));
1368
1369 return $data;
1370 }
1371
1372 function getCategoryTitle($link, $cat_id) {
1373
1374 if ($cat_id == -1) {
1375 return __("Special");
1376 } else if ($cat_id == -2) {
1377 return __("Labels");
1378 } else {
1379
1380 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
1381 id = '$cat_id'");
1382
1383 if (db_num_rows($result) == 1) {
1384 return db_fetch_result($result, 0, "title");
1385 } else {
1386 return "Uncategorized";
1387 }
1388 }
1389 }
1390
1391
1392 function getCategoryCounters($link) {
1393 $ret_arr = array();
1394
1395 /* Labels category */
1396
1397 $cv = array("id" => -2, "kind" => "cat",
1398 "counter" => getCategoryUnread($link, -2));
1399
1400 array_push($ret_arr, $cv);
1401
1402 $result = db_query($link, "SELECT id AS cat_id, value AS unread,
1403 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1404 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1405 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1406 WHERE ttrss_cat_counters_cache.feed_id = id AND
1407 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1408 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1409
1410 while ($line = db_fetch_assoc($result)) {
1411 $line["cat_id"] = (int) $line["cat_id"];
1412
1413 if ($line["num_children"] > 0) {
1414 $child_counter = getCategoryChildrenUnread($link, $line["cat_id"], $_SESSION["uid"]);
1415 } else {
1416 $child_counter = 0;
1417 }
1418
1419 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1420 "child_counter" => $child_counter,
1421 "counter" => $line["unread"]);
1422
1423 array_push($ret_arr, $cv);
1424 }
1425
1426 /* Special case: NULL category doesn't actually exist in the DB */
1427
1428 $cv = array("id" => 0, "kind" => "cat",
1429 "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
1430
1431 array_push($ret_arr, $cv);
1432
1433 return $ret_arr;
1434 }
1435
1436 // only accepts real cats (>= 0)
1437 function getCategoryChildrenUnread($link, $cat, $owner_uid = false) {
1438 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1439
1440 $result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1441 AND owner_uid = $owner_uid");
1442
1443 $unread = 0;
1444
1445 while ($line = db_fetch_assoc($result)) {
1446 $unread += getCategoryUnread($link, $line["id"], $owner_uid);
1447 $unread += getCategoryChildrenUnread($link, $line["id"], $owner_uid);
1448 }
1449
1450 return $unread;
1451 }
1452
1453 function getCategoryUnread($link, $cat, $owner_uid = false) {
1454
1455 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1456
1457 if ($cat >= 0) {
1458
1459 if ($cat != 0) {
1460 $cat_query = "cat_id = '$cat'";
1461 } else {
1462 $cat_query = "cat_id IS NULL";
1463 }
1464
1465 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1466 AND owner_uid = " . $owner_uid);
1467
1468 $cat_feeds = array();
1469 while ($line = db_fetch_assoc($result)) {
1470 array_push($cat_feeds, "feed_id = " . $line["id"]);
1471 }
1472
1473 if (count($cat_feeds) == 0) return 0;
1474
1475 $match_part = implode(" OR ", $cat_feeds);
1476
1477 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1478 FROM ttrss_user_entries
1479 WHERE unread = true AND ($match_part)
1480 AND owner_uid = " . $owner_uid);
1481
1482 $unread = 0;
1483
1484 # this needs to be rewritten
1485 while ($line = db_fetch_assoc($result)) {
1486 $unread += $line["unread"];
1487 }
1488
1489 return $unread;
1490 } else if ($cat == -1) {
1491 return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1492 } else if ($cat == -2) {
1493
1494 $result = db_query($link, "
1495 SELECT COUNT(unread) AS unread FROM
1496 ttrss_user_entries, ttrss_user_labels2
1497 WHERE article_id = ref_id AND unread = true
1498 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1499
1500 $unread = db_fetch_result($result, 0, "unread");
1501
1502 return $unread;
1503
1504 }
1505 }
1506
1507 function getFeedUnread($link, $feed, $is_cat = false) {
1508 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
1509 }
1510
1511 function getLabelUnread($link, $label_id, $owner_uid = false) {
1512 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1513
1514 $result = db_query($link, "SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1515 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1516
1517 if (db_num_rows($result) != 0) {
1518 return db_fetch_result($result, 0, "unread");
1519 } else {
1520 return 0;
1521 }
1522 }
1523
1524 function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
1525 $owner_uid = false) {
1526
1527 $n_feed = (int) $feed;
1528 $need_entries = false;
1529
1530 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1531
1532 if ($unread_only) {
1533 $unread_qpart = "unread = true";
1534 } else {
1535 $unread_qpart = "true";
1536 }
1537
1538 if ($is_cat) {
1539 return getCategoryUnread($link, $n_feed, $owner_uid);
1540 } if ($feed != "0" && $n_feed == 0) {
1541
1542 $feed = db_escape_string($feed);
1543
1544 $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
1545 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1546 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1547 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1548 return db_fetch_result($result, 0, "count");
1549
1550 } else if ($n_feed == -1) {
1551 $match_part = "marked = true";
1552 } else if ($n_feed == -2) {
1553 $match_part = "published = true";
1554 } else if ($n_feed == -3) {
1555 $match_part = "unread = true AND score >= 0";
1556
1557 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
1558
1559 if (DB_TYPE == "pgsql") {
1560 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1561 } else {
1562 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1563 }
1564
1565 $need_entries = true;
1566
1567 } else if ($n_feed == -4) {
1568 $match_part = "true";
1569 } else if ($n_feed >= 0) {
1570
1571 if ($n_feed != 0) {
1572 $match_part = "feed_id = '$n_feed'";
1573 } else {
1574 $match_part = "feed_id IS NULL";
1575 }
1576
1577 } else if ($feed < -10) {
1578
1579 $label_id = -$feed - 11;
1580
1581 return getLabelUnread($link, $label_id, $owner_uid);
1582
1583 }
1584
1585 if ($match_part) {
1586
1587 if ($need_entries) {
1588 $from_qpart = "ttrss_user_entries,ttrss_entries";
1589 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1590 } else {
1591 $from_qpart = "ttrss_user_entries";
1592 }
1593
1594 $query = "SELECT count(int_id) AS unread
1595 FROM $from_qpart WHERE
1596 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1597
1598 //echo "[$feed/$query]\n";
1599
1600 $result = db_query($link, $query);
1601
1602 } else {
1603
1604 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1605 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1606 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1607 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1608 }
1609
1610 $unread = db_fetch_result($result, 0, "unread");
1611
1612 return $unread;
1613 }
1614
1615 function getGlobalUnread($link, $user_id = false) {
1616
1617 if (!$user_id) {
1618 $user_id = $_SESSION["uid"];
1619 }
1620
1621 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1622 WHERE owner_uid = '$user_id' AND feed_id > 0");
1623
1624 $c_id = db_fetch_result($result, 0, "c_id");
1625
1626 return $c_id;
1627 }
1628
1629 function getGlobalCounters($link, $global_unread = -1) {
1630 $ret_arr = array();
1631
1632 if ($global_unread == -1) {
1633 $global_unread = getGlobalUnread($link);
1634 }
1635
1636 $cv = array("id" => "global-unread",
1637 "counter" => $global_unread);
1638
1639 array_push($ret_arr, $cv);
1640
1641 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1642 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1643
1644 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1645
1646 $cv = array("id" => "subscribed-feeds",
1647 "counter" => $subscribed_feeds);
1648
1649 array_push($ret_arr, $cv);
1650
1651 return $ret_arr;
1652 }
1653
1654 function getTagCounters($link) {
1655
1656 $ret_arr = array();
1657
1658 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1659 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1660 AND ref_id = id AND unread = true)) AS count FROM ttrss_tags
1661 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
1662 ORDER BY count DESC LIMIT 55");
1663
1664 $tags = array();
1665
1666 while ($line = db_fetch_assoc($result)) {
1667 $tags[$line["tag_name"]] += $line["count"];
1668 }
1669
1670 foreach (array_keys($tags) as $tag) {
1671 $unread = $tags[$tag];
1672 $tag = htmlspecialchars($tag);
1673
1674 $cv = array("id" => $tag,
1675 "kind" => "tag",
1676 "counter" => $unread);
1677
1678 array_push($ret_arr, $cv);
1679 }
1680
1681 return $ret_arr;
1682 }
1683
1684 function getVirtCounters($link) {
1685
1686 $ret_arr = array();
1687
1688 for ($i = 0; $i >= -4; $i--) {
1689
1690 $count = getFeedUnread($link, $i);
1691
1692 $cv = array("id" => $i,
1693 "counter" => $count);
1694
1695 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1696 // $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
1697
1698 array_push($ret_arr, $cv);
1699 }
1700
1701 return $ret_arr;
1702 }
1703
1704 function getLabelCounters($link, $descriptions = false) {
1705
1706 $ret_arr = array();
1707
1708 $owner_uid = $_SESSION["uid"];
1709
1710 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
1711 WHERE owner_uid = '$owner_uid'");
1712
1713 while ($line = db_fetch_assoc($result)) {
1714
1715 $id = -$line["id"] - 11;
1716
1717 $label_name = $line["caption"];
1718 $count = getFeedUnread($link, $id);
1719
1720 $cv = array("id" => $id,
1721 "counter" => $count);
1722
1723 if ($descriptions)
1724 $cv["description"] = $label_name;
1725
1726 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1727 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1728
1729 array_push($ret_arr, $cv);
1730 }
1731
1732 return $ret_arr;
1733 }
1734
1735 function getFeedCounters($link, $active_feed = false) {
1736
1737 $ret_arr = array();
1738
1739 $query = "SELECT ttrss_feeds.id,
1740 ttrss_feeds.title,
1741 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1742 last_error, value AS count
1743 FROM ttrss_feeds, ttrss_counters_cache
1744 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1745 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1746 AND ttrss_counters_cache.feed_id = id";
1747
1748 $result = db_query($link, $query);
1749 $fctrs_modified = false;
1750
1751 while ($line = db_fetch_assoc($result)) {
1752
1753 $id = $line["id"];
1754 $count = $line["count"];
1755 $last_error = htmlspecialchars($line["last_error"]);
1756
1757 $last_updated = make_local_datetime($link, $line['last_updated'], false);
1758
1759 $has_img = feed_has_icon($id);
1760
1761 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1762 $last_updated = '';
1763
1764 $cv = array("id" => $id,
1765 "updated" => $last_updated,
1766 "counter" => $count,
1767 "has_img" => (int) $has_img);
1768
1769 if ($last_error)
1770 $cv["error"] = $last_error;
1771
1772 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1773 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1774
1775 if ($active_feed && $id == $active_feed)
1776 $cv["title"] = truncate_string($line["title"], 30);
1777
1778 array_push($ret_arr, $cv);
1779
1780 }
1781
1782 return $ret_arr;
1783 }
1784
1785 function get_pgsql_version($link) {
1786 $result = db_query($link, "SELECT version() AS version");
1787 $version = explode(" ", db_fetch_result($result, 0, "version"));
1788 return $version[1];
1789 }
1790
1791 /**
1792 * @return integer Status code:
1793 * 0 - OK, Feed already exists
1794 * 1 - OK, Feed added
1795 * 2 - Invalid URL
1796 * 3 - URL content is HTML, no feeds available
1797 * 4 - URL content is HTML which contains multiple feeds.
1798 * Here you should call extractfeedurls in rpc-backend
1799 * to get all possible feeds.
1800 * 5 - Couldn't download the URL content.
1801 */
1802 function subscribe_to_feed($link, $url, $cat_id = 0,
1803 $auth_login = '', $auth_pass = '', $need_auth = false) {
1804
1805 require_once "include/rssfuncs.php";
1806
1807 $url = fix_url($url);
1808
1809 if (!$url || !validate_feed_url($url)) return 2;
1810
1811 $update_method = 0;
1812
1813 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
1814 WHERE id = ".$_SESSION['uid']);
1815
1816 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
1817
1818 if (!$need_auth || !$has_oauth || strpos($url, '://api.twitter.com') === false) {
1819 if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
1820
1821 if (url_is_html($url, $auth_login, $auth_pass)) {
1822 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
1823 if (count($feedUrls) == 0) {
1824 return 3;
1825 } else if (count($feedUrls) > 1) {
1826 return 4;
1827 }
1828 //use feed url as new URL
1829 $url = key($feedUrls);
1830 }
1831
1832 } else {
1833 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
1834 return 5;
1835
1836 $update_method = 3;
1837 }
1838 if ($cat_id == "0" || !$cat_id) {
1839 $cat_qpart = "NULL";
1840 } else {
1841 $cat_qpart = "'$cat_id'";
1842 }
1843
1844 $result = db_query($link,
1845 "SELECT id FROM ttrss_feeds
1846 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1847
1848 if (db_num_rows($result) == 0) {
1849 $result = db_query($link,
1850 "INSERT INTO ttrss_feeds
1851 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
1852 VALUES ('".$_SESSION["uid"]."', '$url',
1853 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
1854
1855 $result = db_query($link,
1856 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1857 AND owner_uid = " . $_SESSION["uid"]);
1858
1859 $feed_id = db_fetch_result($result, 0, "id");
1860
1861 if ($feed_id) {
1862 update_rss_feed($link, $feed_id, true);
1863 }
1864
1865 return 1;
1866 } else {
1867 return 0;
1868 }
1869 }
1870
1871 function print_feed_select($link, $id, $default_id = "",
1872 $attributes = "", $include_all_feeds = true) {
1873
1874 print "<select id=\"$id\" name=\"$id\" $attributes>";
1875 if ($include_all_feeds) {
1876 print "<option value=\"0\">".__('All feeds')."</option>";
1877 }
1878
1879 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1880 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1881
1882 if (db_num_rows($result) > 0 && $include_all_feeds) {
1883 print "<option disabled>--------</option>";
1884 }
1885
1886 while ($line = db_fetch_assoc($result)) {
1887 if ($line["id"] == $default_id) {
1888 $is_selected = "selected=\"1\"";
1889 } else {
1890 $is_selected = "";
1891 }
1892
1893 $title = truncate_string(htmlspecialchars($line["title"]), 40);
1894
1895 printf("<option $is_selected value='%d'>%s</option>",
1896 $line["id"], $title);
1897 }
1898
1899 print "</select>";
1900 }
1901
1902 function print_feed_cat_select($link, $id, $default_id,
1903 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1904
1905 if (!$root_id) {
1906 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1907 }
1908
1909 if ($root_id)
1910 $parent_qpart = "parent_cat = '$root_id'";
1911 else
1912 $parent_qpart = "parent_cat IS NULL";
1913
1914 $result = db_query($link, "SELECT id,title,
1915 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1916 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1917 FROM ttrss_feed_categories
1918 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1919
1920 while ($line = db_fetch_assoc($result)) {
1921 if ($line["id"] == $default_id) {
1922 $is_selected = "selected=\"1\"";
1923 } else {
1924 $is_selected = "";
1925 }
1926
1927 for ($i = 0; $i < $nest_level; $i++)
1928 $line["title"] = " - " . $line["title"];
1929
1930 if ($line["title"])
1931 printf("<option $is_selected value='%d'>%s</option>",
1932 $line["id"], htmlspecialchars($line["title"]));
1933
1934 if ($line["num_children"] > 0)
1935 print_feed_cat_select($link, $id, $default_id, $attributes,
1936 $include_all_cats, $line["id"], $nest_level+1);
1937 }
1938
1939 if (!$root_id) {
1940 if ($include_all_cats) {
1941 if (db_num_rows($result) > 0) {
1942 print "<option disabled=\"1\">--------</option>";
1943 }
1944
1945 if ($default_id == 0) {
1946 $is_selected = "selected=\"1\"";
1947 } else {
1948 $is_selected = "";
1949 }
1950
1951 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1952 }
1953 print "</select>";
1954 }
1955 }
1956
1957 function checkbox_to_sql_bool($val) {
1958 return ($val == "on") ? "true" : "false";
1959 }
1960
1961 function getFeedCatTitle($link, $id) {
1962 if ($id == -1) {
1963 return __("Special");
1964 } else if ($id < -10) {
1965 return __("Labels");
1966 } else if ($id > 0) {
1967 $result = db_query($link, "SELECT ttrss_feed_categories.title
1968 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1969 cat_id = ttrss_feed_categories.id");
1970 if (db_num_rows($result) == 1) {
1971 return db_fetch_result($result, 0, "title");
1972 } else {
1973 return __("Uncategorized");
1974 }
1975 } else {
1976 return "getFeedCatTitle($id) failed";
1977 }
1978
1979 }
1980
1981 function getFeedIcon($id) {
1982 switch ($id) {
1983 case 0:
1984 return "images/archive.png";
1985 break;
1986 case -1:
1987 return "images/mark_set.png";
1988 break;
1989 case -2:
1990 return "images/pub_set.png";
1991 break;
1992 case -3:
1993 return "images/fresh.png";
1994 break;
1995 case -4:
1996 return "images/tag.png";
1997 break;
1998 default:
1999 if ($id < -10) {
2000 return "images/label.png";
2001 } else {
2002 if (file_exists(ICONS_DIR . "/$id.ico"))
2003 return ICONS_URL . "/$id.ico";
2004 }
2005 break;
2006 }
2007 }
2008
2009 function getFeedTitle($link, $id) {
2010 if ($id == -1) {
2011 return __("Starred articles");
2012 } else if ($id == -2) {
2013 return __("Published articles");
2014 } else if ($id == -3) {
2015 return __("Fresh articles");
2016 } else if ($id == -4) {
2017 return __("All articles");
2018 } else if ($id === 0 || $id === "0") {
2019 return __("Archived articles");
2020 } else if ($id < -10) {
2021 $label_id = -$id - 11;
2022 $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2023 if (db_num_rows($result) == 1) {
2024 return db_fetch_result($result, 0, "caption");
2025 } else {
2026 return "Unknown label ($label_id)";
2027 }
2028
2029 } else if (is_numeric($id) && $id > 0) {
2030 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2031 if (db_num_rows($result) == 1) {
2032 return db_fetch_result($result, 0, "title");
2033 } else {
2034 return "Unknown feed ($id)";
2035 }
2036 } else {
2037 return $id;
2038 }
2039 }
2040
2041 function make_init_params($link) {
2042 $params = array();
2043
2044 $params["theme"] = get_user_theme($link);
2045 $params["theme_options"] = get_user_theme_options($link);
2046
2047 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
2048 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
2049 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
2050 $params["sign_info"] = theme_image($link, "images/sign_info.png");
2051
2052 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
2053 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
2054 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
2055 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
2056
2057 $params[strtolower($param)] = (int) get_pref($link, $param);
2058 }
2059
2060 $params["icons_url"] = ICONS_URL;
2061 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
2062 $params["default_include_children"] = get_pref($link, "_DEFAULT_INCLUDE_CHILDREN");
2063 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
2064 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
2065 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
2066 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2067
2068 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2069 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2070
2071 $max_feed_id = db_fetch_result($result, 0, "mid");
2072 $num_feeds = db_fetch_result($result, 0, "nf");
2073
2074 $params["max_feed_id"] = (int) $max_feed_id;
2075 $params["num_feeds"] = (int) $num_feeds;
2076
2077 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
2078
2079 $params["csrf_token"] = $_SESSION["csrf_token"];
2080
2081 return $params;
2082 }
2083
2084 function make_runtime_info($link) {
2085 $data = array();
2086
2087 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2088 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2089
2090 $max_feed_id = db_fetch_result($result, 0, "mid");
2091 $num_feeds = db_fetch_result($result, 0, "nf");
2092
2093 $data["max_feed_id"] = (int) $max_feed_id;
2094 $data["num_feeds"] = (int) $num_feeds;
2095
2096 $data['last_article_id'] = getLastArticleId($link);
2097 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
2098
2099 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2100
2101 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2102
2103 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2104
2105 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2106
2107 if ($stamp) {
2108 $stamp_delta = time() - $stamp;
2109
2110 if ($stamp_delta > 1800) {
2111 $stamp_check = 0;
2112 } else {
2113 $stamp_check = 1;
2114 $_SESSION["daemon_stamp_check"] = time();
2115 }
2116
2117 $data['daemon_stamp_ok'] = $stamp_check;
2118
2119 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2120
2121 $data['daemon_stamp'] = $stamp_fmt;
2122 }
2123 }
2124 }
2125
2126 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2127 $new_version_details = @check_for_update($link);
2128
2129 $data['new_version_available'] = (int) ($new_version_details != false);
2130
2131 $_SESSION["last_version_check"] = time();
2132 }
2133
2134 return $data;
2135 }
2136
2137 function search_to_sql($link, $search, $match_on) {
2138
2139 $search_query_part = "";
2140
2141 $keywords = explode(" ", $search);
2142 $query_keywords = array();
2143
2144 foreach ($keywords as $k) {
2145 if (strpos($k, "-") === 0) {
2146 $k = substr($k, 1);
2147 $not = "NOT";
2148 } else {
2149 $not = "";
2150 }
2151
2152 $commandpair = explode(":", mb_strtolower($k), 2);
2153
2154 if ($commandpair[0] == "note" && $commandpair[1]) {
2155
2156 if ($commandpair[1] == "true")
2157 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2158 else
2159 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2160
2161 } else if ($commandpair[0] == "star" && $commandpair[1]) {
2162
2163 if ($commandpair[1] == "true")
2164 array_push($query_keywords, "($not (marked = true))");
2165 else
2166 array_push($query_keywords, "($not (marked = false))");
2167
2168 } else if ($commandpair[0] == "pub" && $commandpair[1]) {
2169
2170 if ($commandpair[1] == "true")
2171 array_push($query_keywords, "($not (published = true))");
2172 else
2173 array_push($query_keywords, "($not (published = false))");
2174
2175 } else if (strpos($k, "@") === 0) {
2176
2177 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
2178 $orig_ts = strtotime(substr($k, 1));
2179 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2180
2181 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2182
2183 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2184 } else if ($match_on == "both") {
2185 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2186 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2187 } else if ($match_on == "title") {
2188 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
2189 } else if ($match_on == "content") {
2190 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2191 }
2192 }
2193
2194 $search_query_part = implode("AND", $query_keywords);
2195
2196 return $search_query_part;
2197 }
2198
2199 function getChildCategories($link, $cat, $owner_uid) {
2200 $rv = array();
2201
2202 $result = db_query($link, "SELECT id FROM ttrss_feed_categories
2203 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2204
2205 while ($line = db_fetch_assoc($result)) {
2206 array_push($rv, $line["id"]);
2207 $rv = array_merge($rv, getChildCategories($link, $line["id"], $owner_uid));
2208 }
2209
2210 return $rv;
2211 }
2212
2213 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false) {
2214
2215 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2216
2217 $ext_tables_part = "";
2218
2219 if ($search) {
2220
2221 if (SPHINX_ENABLED) {
2222 $ids = join(",", @sphinx_search($search, 0, 500));
2223
2224 if ($ids)
2225 $search_query_part = "ref_id IN ($ids) AND ";
2226 else
2227 $search_query_part = "ref_id = -1 AND ";
2228
2229 } else {
2230 $search_query_part = search_to_sql($link, $search, $match_on);
2231 $search_query_part .= " AND ";
2232 }
2233
2234 } else {
2235 $search_query_part = "";
2236 }
2237
2238 if ($filter) {
2239 $filter_query_part = filter_to_sql($filter);
2240 } else {
2241 $filter_query_part = "";
2242 }
2243
2244 if ($since_id) {
2245 $since_id_part = "ttrss_entries.id > $since_id AND ";
2246 } else {
2247 $since_id_part = "";
2248 }
2249
2250 $view_query_part = "";
2251
2252 if ($view_mode == "adaptive" || $view_query_part == "noscores") {
2253 if ($search) {
2254 $view_query_part = " ";
2255 } else if ($feed != -1) {
2256 $unread = getFeedUnread($link, $feed, $cat_view);
2257
2258 if ($cat_view && $feed > 0 && $include_children)
2259 $unread += getCategoryChildrenUnread($link, $feed);
2260
2261 if ($unread > 0) {
2262 $view_query_part = " unread = true AND ";
2263 }
2264 }
2265 }
2266
2267 if ($view_mode == "marked") {
2268 $view_query_part = " marked = true AND ";
2269 }
2270
2271 if ($view_mode == "published") {
2272 $view_query_part = " published = true AND ";
2273 }
2274
2275 if ($view_mode == "unread") {
2276 $view_query_part = " unread = true AND ";
2277 }
2278
2279 if ($view_mode == "updated") {
2280 $view_query_part = " (last_read is null and unread = false) AND ";
2281 }
2282
2283 if ($limit > 0) {
2284 $limit_query_part = "LIMIT " . $limit;
2285 }
2286
2287 $vfeed_query_part = "";
2288
2289 // override query strategy and enable feed display when searching globally
2290 if ($search && $search_mode == "all_feeds") {
2291 $query_strategy_part = "ttrss_entries.id > 0";
2292 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2293 /* tags */
2294 } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2295 $query_strategy_part = "ttrss_entries.id > 0";
2296 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2297 id = feed_id) as feed_title,";
2298 } else if ($feed > 0 && $search && $search_mode == "this_cat") {
2299
2300 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2301
2302 $tmp_result = false;
2303
2304 if ($cat_view) {
2305 $tmp_result = db_query($link, "SELECT id
2306 FROM ttrss_feeds WHERE cat_id = '$feed'");
2307 } else {
2308 $tmp_result = db_query($link, "SELECT id
2309 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2310 WHERE id = '$feed') AND id != '$feed'");
2311 }
2312
2313 $cat_siblings = array();
2314
2315 if (db_num_rows($tmp_result) > 0) {
2316 while ($p = db_fetch_assoc($tmp_result)) {
2317 array_push($cat_siblings, "feed_id = " . $p["id"]);
2318 }
2319
2320 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2321 $feed, implode(" OR ", $cat_siblings));
2322
2323 } else {
2324 $query_strategy_part = "ttrss_entries.id > 0";
2325 }
2326
2327 } else if ($feed > 0) {
2328
2329 if ($cat_view) {
2330
2331 if ($feed > 0) {
2332 if ($include_children) {
2333 # sub-cats
2334 $subcats = getChildCategories($link, $feed, $owner_uid);
2335
2336 if (count($subcats) == 0) {
2337 $query_strategy_part = "cat_id = '$feed'";
2338 } else {
2339 array_push($subcats, $feed);
2340 $query_strategy_part = "cat_id IN (".
2341 implode(",", $subcats).")";
2342 }
2343 } else {
2344 $query_strategy_part = "cat_id = '$feed'";
2345 }
2346
2347 } else {
2348 $query_strategy_part = "cat_id IS NULL";
2349 }
2350
2351 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2352
2353 } else {
2354 $query_strategy_part = "feed_id = '$feed'";
2355 }
2356 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2357 $query_strategy_part = "feed_id IS NULL";
2358 } else if ($feed == 0 && $cat_view) { // uncategorized
2359 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2360 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2361 } else if ($feed == -1) { // starred virtual feed
2362 $query_strategy_part = "marked = true";
2363 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2364 } else if ($feed == -2) { // published virtual feed OR labels category
2365
2366 if (!$cat_view) {
2367 $query_strategy_part = "published = true";
2368 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2369 } else {
2370 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2371
2372 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2373
2374 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2375 ttrss_user_labels2.article_id = ref_id";
2376
2377 }
2378
2379 } else if ($feed == -3) { // fresh virtual feed
2380 $query_strategy_part = "unread = true AND score >= 0";
2381
2382 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2383
2384 if (DB_TYPE == "pgsql") {
2385 $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2386 } else {
2387 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2388 }
2389
2390 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2391 } else if ($feed == -4) { // all articles virtual feed
2392 $query_strategy_part = "true";
2393 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2394 } else if ($feed <= -10) { // labels
2395 $label_id = -$feed - 11;
2396
2397 $query_strategy_part = "label_id = '$label_id' AND
2398 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2399 ttrss_user_labels2.article_id = ref_id";
2400
2401 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2402 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2403
2404 } else {
2405 $query_strategy_part = "id > 0"; // dumb
2406 }
2407
2408 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
2409 $date_sort_field = "updated";
2410 } else {
2411 $date_sort_field = "date_entered";
2412 }
2413
2414 if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
2415 $order_by = "$date_sort_field";
2416 } else {
2417 $order_by = "$date_sort_field DESC";
2418 }
2419
2420 if ($view_mode != "noscores") {
2421 $order_by = "score DESC, $order_by";
2422 }
2423
2424 if ($override_order) {
2425 $order_by = $override_order;
2426 }
2427
2428 $feed_title = "";
2429
2430 if ($search) {
2431 $feed_title = "Search results";
2432 } else {
2433 if ($cat_view) {
2434 $feed_title = getCategoryTitle($link, $feed);
2435 } else {
2436 if (is_numeric($feed) && $feed > 0) {
2437 $result = db_query($link, "SELECT title,site_url,last_error
2438 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2439
2440 $feed_title = db_fetch_result($result, 0, "title");
2441 $feed_site_url = db_fetch_result($result, 0, "site_url");
2442 $last_error = db_fetch_result($result, 0, "last_error");
2443 } else {
2444 $feed_title = getFeedTitle($link, $feed);
2445 }
2446 }
2447 }
2448
2449 $content_query_part = "content as content_preview,";
2450
2451 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2452
2453 if ($feed >= 0) {
2454 $feed_kind = "Feeds";
2455 } else {
2456 $feed_kind = "Labels";
2457 }
2458
2459 if ($limit_query_part) {
2460 $offset_query_part = "OFFSET $offset";
2461 }
2462
2463 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
2464 if (!$override_order) {
2465 $order_by = "ttrss_feeds.title, $order_by";
2466 }
2467 }
2468
2469 if ($feed != "0") {
2470 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2471 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2472
2473 } else {
2474 $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
2475 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2476 }
2477
2478 $query = "SELECT DISTINCT
2479 date_entered,
2480 guid,
2481 ttrss_entries.id,ttrss_entries.title,
2482 updated,
2483 label_cache,
2484 tag_cache,
2485 always_display_enclosures,
2486 site_url,
2487 note,
2488 num_comments,
2489 comments,
2490 int_id,
2491 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2492 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
2493 $vfeed_query_part
2494 $content_query_part
2495 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
2496 author,score
2497 FROM
2498 $from_qpart
2499 WHERE
2500 $feed_check_qpart
2501 ttrss_user_entries.ref_id = ttrss_entries.id AND
2502 ttrss_user_entries.owner_uid = '$owner_uid' AND
2503 $search_query_part
2504 $filter_query_part
2505 $view_query_part
2506 $since_id_part
2507 $query_strategy_part ORDER BY $order_by
2508 $limit_query_part $offset_query_part";
2509
2510 if ($_REQUEST["debug"]) print $query;
2511
2512 $result = db_query($link, $query);
2513
2514 } else {
2515 // browsing by tag
2516
2517 $select_qpart = "SELECT DISTINCT " .
2518 "date_entered," .
2519 "guid," .
2520 "note," .
2521 "ttrss_entries.id as id," .
2522 "title," .
2523 "updated," .
2524 "unread," .
2525 "feed_id," .
2526 "orig_feed_id," .
2527 "marked," .
2528 "num_comments, " .
2529 "comments, " .
2530 "tag_cache," .
2531 "label_cache," .
2532 "link," .
2533 "last_read," .
2534 SUBSTRING_FOR_DATE . "(last_read,1,19) as last_read_noms," .
2535 $since_id_part .
2536 $vfeed_query_part .
2537 $content_query_part .
2538 SUBSTRING_FOR_DATE . "(updated,1,19) as updated_noms," .
2539 "score ";
2540
2541 $feed_kind = "Tags";
2542 $all_tags = explode(",", $feed);
2543 if ($search_mode == 'any') {
2544 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2545 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2546 $where_qpart = " WHERE " .
2547 "ref_id = ttrss_entries.id AND " .
2548 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2549 "post_int_id = int_id AND $tag_sql AND " .
2550 $view_query_part .
2551 $search_query_part .
2552 $query_strategy_part . " ORDER BY $order_by " .
2553 $limit_query_part;
2554
2555 } else {
2556 $i = 1;
2557 $sub_selects = array();
2558 $sub_ands = array();
2559 foreach ($all_tags as $term) {
2560 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2561 $i++;
2562 }
2563 if ($i > 2) {
2564 $x = 1;
2565 $y = 2;
2566 do {
2567 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2568 $x++;
2569 $y++;
2570 } while ($y < $i);
2571 }
2572 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2573 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2574 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2575 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2576 }
2577 // error_log("TAG SQL: " . $tag_sql);
2578 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2579
2580 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2581 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
2582 }
2583
2584 return array($result, $feed_title, $feed_site_url, $last_error);
2585
2586 }
2587
2588 function sanitize($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
2589 global $purifier;
2590
2591 if (!$owner) $owner = $_SESSION["uid"];
2592
2593 $res = trim($str); if (!$res) return '';
2594
2595 // create global Purifier object if needed
2596 if (!$purifier) {
2597 require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
2598
2599 $config = HTMLPurifier_Config::createDefault();
2600
2601 $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title|align|hspace],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td,span[class]";
2602
2603 $config->set('HTML.SafeObject', true);
2604 @$config->set('HTML', 'Allowed', $allowed);
2605 $config->set('Output.FlashCompat', true);
2606 $config->set('Attr.EnableID', true);
2607 if (!defined('MOBILE_VERSION')) {
2608 @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
2609 } else {
2610 @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
2611 }
2612
2613 $config->set('Filter.YouTube', true);
2614
2615 $purifier = new HTMLPurifier($config);
2616 }
2617
2618 $res = $purifier->purify($res);
2619
2620 if (get_pref($link, "STRIP_IMAGES", $owner)) {
2621 $res = preg_replace('/<img[^>]+>/is', '', $res);
2622 }
2623
2624 if (strpos($res, "href=") === false)
2625 $res = rewrite_urls($res);
2626
2627 $charset_hack = '<head>
2628 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2629 </head>';
2630
2631 $res = trim($res); if (!$res) return '';
2632
2633 libxml_use_internal_errors(true);
2634
2635 $doc = new DOMDocument();
2636 $doc->loadHTML($charset_hack . $res);
2637 $xpath = new DOMXPath($doc);
2638
2639 $entries = $xpath->query('(//a[@href]|//img[@src])');
2640 $br_inserted = 0;
2641
2642 foreach ($entries as $entry) {
2643
2644 if ($site_url) {
2645
2646 if ($entry->hasAttribute('href'))
2647 $entry->setAttribute('href',
2648 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2649
2650 if ($entry->hasAttribute('src'))
2651 if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
2652 $entry->setAttribute('src',
2653 rewrite_relative_url($site_url, $entry->getAttribute('src')));
2654 }
2655
2656 if (strtolower($entry->nodeName) == "a") {
2657 $entry->setAttribute("target", "_blank");
2658 }
2659
2660 if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
2661 $br = $doc->createElement("br");
2662
2663 if ($entry->parentNode->nextSibling) {
2664 $entry->parentNode->insertBefore($br, $entry->nextSibling);
2665 $br_inserted = 1;
2666 }
2667
2668 }
2669 }
2670
2671 $node = $doc->getElementsByTagName('body')->item(0);
2672
2673 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
2674 }
2675
2676 /**
2677 * Send by mail a digest of last articles.
2678 *
2679 * @param mixed $link The database connection.
2680 * @param integer $limit The maximum number of articles by digest.
2681 * @return boolean Return false if digests are not enabled.
2682 */
2683 function send_headlines_digests($link, $debug = false) {
2684
2685 require_once 'lib/phpmailer/class.phpmailer.php';
2686
2687 $user_limit = 15; // amount of users to process (e.g. emails to send out)
2688 $limit = 1000; // maximum amount of headlines to include
2689
2690 if ($debug) _debug("Sending digests, batch of max $user_limit users, headline limit = $limit");
2691
2692 if (DB_TYPE == "pgsql") {
2693 $interval_query = "last_digest_sent < NOW() - INTERVAL '1 days'";
2694 } else if (DB_TYPE == "mysql") {
2695 $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL 1 DAY)";
2696 }
2697
2698 $result = db_query($link, "SELECT id,email FROM ttrss_users
2699 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2700
2701 while ($line = db_fetch_assoc($result)) {
2702
2703 if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2704 $preferred_ts = strtotime(get_pref($link, 'DIGEST_PREFERRED_TIME', $line['id'], '00:00'));
2705
2706 // try to send digests within 2 hours of preferred time
2707 if ($preferred_ts && time() >= $preferred_ts &&
2708 time() - $preferred_ts <= 7200) {
2709
2710 if ($debug) print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2711
2712 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
2713
2714 global $tz_offset;
2715
2716 // reset tz_offset global to prevent tz cache clash between users
2717 $tz_offset = -1;
2718
2719 $tuple = prepare_headlines_digest($link, $line["id"], 1, $limit);
2720 $digest = $tuple[0];
2721 $headlines_count = $tuple[1];
2722 $affected_ids = $tuple[2];
2723 $digest_text = $tuple[3];
2724
2725 if ($headlines_count > 0) {
2726
2727 $mail = new PHPMailer();
2728
2729 $mail->PluginDir = "lib/phpmailer/";
2730 $mail->SetLanguage("en", "lib/phpmailer/language/");
2731
2732 $mail->CharSet = "UTF-8";
2733
2734 $mail->From = SMTP_FROM_ADDRESS;
2735 $mail->FromName = SMTP_FROM_NAME;
2736 $mail->AddAddress($line["email"], $line["login"]);
2737
2738 if (SMTP_HOST) {
2739 $mail->Host = SMTP_HOST;
2740 $mail->Mailer = "smtp";
2741 $mail->SMTPAuth = SMTP_LOGIN != '';
2742 $mail->Username = SMTP_LOGIN;
2743 $mail->Password = SMTP_PASSWORD;
2744 }
2745
2746 $mail->IsHTML(true);
2747 $mail->Subject = DIGEST_SUBJECT;
2748 $mail->Body = $digest;
2749 $mail->AltBody = $digest_text;
2750
2751 $rc = $mail->Send();
2752
2753 if (!$rc && $debug) print "ERROR: " . $mail->ErrorInfo;
2754
2755 if ($debug) print "RC=$rc\n";
2756
2757 if ($rc && $do_catchup) {
2758 if ($debug) print "Marking affected articles as read...\n";
2759 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
2760 }
2761 } else {
2762 if ($debug) print "No headlines\n";
2763 }
2764
2765 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2766 WHERE id = " . $line["id"]);
2767
2768 }
2769 }
2770 }
2771
2772 if ($debug) _debug("All done.");
2773
2774 }
2775
2776 function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 1000) {
2777
2778 require_once "lib/MiniTemplator.class.php";
2779
2780 $tpl = new MiniTemplator;
2781 $tpl_t = new MiniTemplator;
2782
2783 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
2784 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
2785
2786 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $user_id);
2787 $local_ts = convert_timestamp(time(), 'UTC', $user_tz_string);
2788
2789 $tpl->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
2790 $tpl->setVariable('CUR_TIME', date('G:i', $local_ts));
2791
2792 $tpl_t->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
2793 $tpl_t->setVariable('CUR_TIME', date('G:i', $local_ts));
2794
2795 $affected_ids = array();
2796
2797 if (DB_TYPE == "pgsql") {
2798 $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
2799 } else if (DB_TYPE == "mysql") {
2800 $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
2801 }
2802
2803 $result = db_query($link, "SELECT ttrss_entries.title,
2804 ttrss_feeds.title AS feed_title,
2805 COALESCE(ttrss_feed_categories.title, '".__('Uncategorized')."') AS cat_title,
2806 date_updated,
2807 ttrss_user_entries.ref_id,
2808 link,
2809 score,
2810 content,
2811 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
2812 FROM
2813 ttrss_user_entries,ttrss_entries,ttrss_feeds
2814 LEFT JOIN
2815 ttrss_feed_categories ON (cat_id = ttrss_feed_categories.id)
2816 WHERE
2817 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2818 AND include_in_digest = true
2819 AND $interval_query
2820 AND ttrss_user_entries.owner_uid = $user_id
2821 AND unread = true
2822 AND score >= 0
2823 ORDER BY ttrss_feed_categories.title, ttrss_feeds.title, score DESC, date_updated DESC
2824 LIMIT $limit");
2825
2826 $cur_feed_title = "";
2827
2828 $headlines_count = db_num_rows($result);
2829
2830 $headlines = array();
2831
2832 while ($line = db_fetch_assoc($result)) {
2833 array_push($headlines, $line);
2834 }
2835
2836 for ($i = 0; $i < sizeof($headlines); $i++) {
2837
2838 $line = $headlines[$i];
2839
2840 array_push($affected_ids, $line["ref_id"]);
2841
2842 $updated = make_local_datetime($link, $line['last_updated'], false,
2843 $user_id);
2844
2845 /* if ($line["score"] != 0) {
2846 if ($line["score"] > 0) $line["score"] = '+' . $line["score"];
2847
2848 $line["title"] .= " (".$line['score'].")";
2849 } */
2850
2851 if (get_pref($link, 'ENABLE_FEED_CATS', $user_id)) {
2852 $line['feed_title'] = $line['cat_title'] . " / " . $line['feed_title'];
2853 }
2854
2855 $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
2856 $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
2857 $tpl->setVariable('ARTICLE_LINK', $line["link"]);
2858 $tpl->setVariable('ARTICLE_UPDATED', $updated);
2859 $tpl->setVariable('ARTICLE_EXCERPT',
2860 truncate_string(strip_tags($line["content"]), 300));
2861 // $tpl->setVariable('ARTICLE_CONTENT',
2862 // strip_tags($article_content));
2863
2864 $tpl->addBlock('article');
2865
2866 $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
2867 $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
2868 $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
2869 $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
2870 // $tpl_t->setVariable('ARTICLE_EXCERPT',
2871 // truncate_string(strip_tags($line["excerpt"]), 100));
2872
2873 $tpl_t->addBlock('article');
2874
2875 if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
2876 $tpl->addBlock('feed');
2877 $tpl_t->addBlock('feed');
2878 }
2879
2880 }
2881
2882 $tpl->addBlock('digest');
2883 $tpl->generateOutputToString($tmp);
2884
2885 $tpl_t->addBlock('digest');
2886 $tpl_t->generateOutputToString($tmp_t);
2887
2888 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
2889 }
2890
2891 function check_for_update($link) {
2892 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2893 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
2894
2895 $version_data = @fetch_file_contents($version_url);
2896
2897 if ($version_data) {
2898 $version_data = json_decode($version_data, true);
2899 if ($version_data && $version_data['version']) {
2900
2901 if (version_compare(VERSION, $version_data['version']) == -1) {
2902 return $version_data;
2903 }
2904 }
2905 }
2906 }
2907 return false;
2908 }
2909
2910 function markArticlesById($link, $ids, $cmode) {
2911
2912 $tmp_ids = array();
2913
2914 foreach ($ids as $id) {
2915 array_push($tmp_ids, "ref_id = '$id'");
2916 }
2917
2918 $ids_qpart = join(" OR ", $tmp_ids);
2919
2920 if ($cmode == 0) {
2921 db_query($link, "UPDATE ttrss_user_entries SET
2922 marked = false,last_read = NOW()
2923 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2924 } else if ($cmode == 1) {
2925 db_query($link, "UPDATE ttrss_user_entries SET
2926 marked = true
2927 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2928 } else {
2929 db_query($link, "UPDATE ttrss_user_entries SET
2930 marked = NOT marked,last_read = NOW()
2931 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2932 }
2933 }
2934
2935 function publishArticlesById($link, $ids, $cmode) {
2936
2937 $tmp_ids = array();
2938
2939 foreach ($ids as $id) {
2940 array_push($tmp_ids, "ref_id = '$id'");
2941 }
2942
2943 $ids_qpart = join(" OR ", $tmp_ids);
2944
2945 if ($cmode == 0) {
2946 db_query($link, "UPDATE ttrss_user_entries SET
2947 published = false,last_read = NOW()
2948 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2949 } else if ($cmode == 1) {
2950 db_query($link, "UPDATE ttrss_user_entries SET
2951 published = true
2952 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2953 } else {
2954 db_query($link, "UPDATE ttrss_user_entries SET
2955 published = NOT published,last_read = NOW()
2956 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2957 }
2958
2959 if (PUBSUBHUBBUB_HUB) {
2960 $rss_link = get_self_url_prefix() .
2961 "/public.php?op=rss&id=-2&key=" .
2962 get_feed_access_key($link, -2, false);
2963
2964 $p = new Publisher(PUBSUBHUBBUB_HUB);
2965
2966 $pubsub_result = $p->publish_update($rss_link);
2967 }
2968 }
2969
2970 function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2971
2972 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2973 if (count($ids) == 0) return;
2974
2975 $tmp_ids = array();
2976
2977 foreach ($ids as $id) {
2978 array_push($tmp_ids, "ref_id = '$id'");
2979 }
2980
2981 $ids_qpart = join(" OR ", $tmp_ids);
2982
2983 if ($cmode == 0) {
2984 db_query($link, "UPDATE ttrss_user_entries SET
2985 unread = false,last_read = NOW()
2986 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2987 } else if ($cmode == 1) {
2988 db_query($link, "UPDATE ttrss_user_entries SET
2989 unread = true
2990 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2991 } else {
2992 db_query($link, "UPDATE ttrss_user_entries SET
2993 unread = NOT unread,last_read = NOW()
2994 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2995 }
2996
2997 /* update ccache */
2998
2999 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3000 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3001
3002 while ($line = db_fetch_assoc($result)) {
3003 ccache_update($link, $line["feed_id"], $owner_uid);
3004 }
3005 }
3006
3007 function catchupArticleById($link, $id, $cmode) {
3008
3009 if ($cmode == 0) {
3010 db_query($link, "UPDATE ttrss_user_entries SET
3011 unread = false,last_read = NOW()
3012 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3013 } else if ($cmode == 1) {
3014 db_query($link, "UPDATE ttrss_user_entries SET
3015 unread = true
3016 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3017 } else {
3018 db_query($link, "UPDATE ttrss_user_entries SET
3019 unread = NOT unread,last_read = NOW()
3020 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3021 }
3022
3023 $feed_id = getArticleFeed($link, $id);
3024 ccache_update($link, $feed_id, $_SESSION["uid"]);
3025 }
3026
3027 function make_guid_from_title($title) {
3028 return preg_replace("/[ \"\',.:;]/", "-",
3029 mb_strtolower(strip_tags($title), 'utf-8'));
3030 }
3031
3032 function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
3033
3034 $a_id = db_escape_string($id);
3035
3036 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3037
3038 $query = "SELECT DISTINCT tag_name,
3039 owner_uid as owner FROM
3040 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3041 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3042
3043 $obj_id = md5("TAGS:$owner_uid:$id");
3044 $tags = array();
3045
3046 /* check cache first */
3047
3048 if ($tag_cache === false) {
3049 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
3050 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3051
3052 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3053 }
3054
3055 if ($tag_cache) {
3056 $tags = explode(",", $tag_cache);
3057 } else {
3058
3059 /* do it the hard way */
3060
3061 $tmp_result = db_query($link, $query);
3062
3063 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3064 array_push($tags, $tmp_line["tag_name"]);
3065 }
3066
3067 /* update the cache */
3068
3069 $tags_str = db_escape_string(join(",", $tags));
3070
3071 db_query($link, "UPDATE ttrss_user_entries
3072 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3073 AND owner_uid = $owner_uid");
3074 }
3075
3076 return $tags;
3077 }
3078
3079 function trim_array($array) {
3080 $tmp = $array;
3081 array_walk($tmp, 'trim');
3082 return $tmp;
3083 }
3084
3085 function tag_is_valid($tag) {
3086 if ($tag == '') return false;
3087 if (preg_match("/^[0-9]*$/", $tag)) return false;
3088 if (mb_strlen($tag) > 250) return false;
3089
3090 if (function_exists('iconv')) {
3091 $tag = iconv("utf-8", "utf-8", $tag);
3092 }
3093
3094 if (!$tag) return false;
3095
3096 return true;
3097 }
3098
3099 function render_login_form($link, $mobile = 0) {
3100 switch ($mobile) {
3101 case 0:
3102 require_once "login_form.php";
3103 break;
3104 case 1:
3105 require_once "mobile/login_form.php";
3106 break;
3107 case 2:
3108 require_once "mobile/classic/login_form.php";
3109 }
3110 }
3111
3112 // from http://developer.apple.com/internet/safari/faq.html
3113 function no_cache_incantation() {
3114 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
3115 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
3116 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
3117 header("Cache-Control: post-check=0, pre-check=0", false);
3118 header("Pragma: no-cache"); // HTTP/1.0
3119 }
3120
3121 function format_warning($msg, $id = "") {
3122 global $link;
3123 return "<div class=\"warning\" id=\"$id\">
3124 <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3125 }
3126
3127 function format_notice($msg, $id = "") {
3128 global $link;
3129 return "<div class=\"notice\" id=\"$id\">
3130 <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
3131 }
3132
3133 function format_error($msg, $id = "") {
3134 global $link;
3135 return "<div class=\"error\" id=\"$id\">
3136 <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3137 }
3138
3139 function print_notice($msg) {
3140 return print format_notice($msg);
3141 }
3142
3143 function print_warning($msg) {
3144 return print format_warning($msg);
3145 }
3146
3147 function print_error($msg) {
3148 return print format_error($msg);
3149 }
3150
3151
3152 function T_sprintf() {
3153 $args = func_get_args();
3154 return vsprintf(__(array_shift($args)), $args);
3155 }
3156
3157 function format_inline_player($link, $url, $ctype) {
3158
3159 $entry = "";
3160
3161 if (strpos($ctype, "audio/") === 0) {
3162
3163 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3164 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
3165 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
3166
3167 $id = 'AUDIO-' . uniqid();
3168
3169 $entry .= "<audio id=\"$id\"\">
3170 <source src=\"$url\"></source>
3171 </audio>";
3172
3173 $entry .= "<span onclick=\"player(this)\"
3174 title=\"".__("Click to play")."\" status=\"0\"
3175 class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
3176
3177 } else {
3178
3179 $entry .= "<object type=\"application/x-shockwave-flash\"
3180 data=\"lib/button/musicplayer.swf?song_url=$url\"
3181 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3182 <param name=\"movie\"
3183 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3184 </object>";
3185 }
3186 }
3187
3188 $filename = substr($url, strrpos($url, "/")+1);
3189
3190 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3191 $filename . " (" . $ctype . ")" . "</a>";
3192
3193 return $entry;
3194 }
3195
3196 function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3197
3198 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3199
3200 $rv = array();
3201
3202 $rv['id'] = $id;
3203
3204 /* we can figure out feed_id from article id anyway, why do we
3205 * pass feed_id here? let's ignore the argument :( */
3206
3207 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3208 WHERE ref_id = '$id'");
3209
3210 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3211
3212 $rv['feed_id'] = $feed_id;
3213
3214 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3215
3216 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
3217 WHERE id = '$feed_id' AND owner_uid = $owner_uid");
3218
3219 if (db_num_rows($result) == 1) {
3220 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
3221 $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
3222 } else {
3223 $rtl_content = false;
3224 $always_display_enclosures = false;
3225 }
3226
3227 if ($rtl_content) {
3228 $rtl_tag = "dir=\"RTL\"";
3229 $rtl_class = "RTL";
3230 } else {
3231 $rtl_tag = "";
3232 $rtl_class = "";
3233 }
3234
3235 if ($mark_as_read) {
3236 $result = db_query($link, "UPDATE ttrss_user_entries
3237 SET unread = false,last_read = NOW()
3238 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3239
3240 ccache_update($link, $feed_id, $owner_uid);
3241 }
3242
3243 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
3244 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3245 (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
3246 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3247 num_comments,
3248 tag_cache,
3249 author,
3250 orig_feed_id,
3251 note
3252 FROM ttrss_entries,ttrss_user_entries
3253 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3254
3255 if ($result) {
3256
3257 $line = db_fetch_assoc($result);
3258
3259 if ($line["icon_url"]) {
3260 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
3261 } else {
3262 $feed_icon = "&nbsp;";
3263 }
3264
3265 $feed_site_url = $line['site_url'];
3266
3267 $num_comments = $line["num_comments"];
3268 $entry_comments = "";
3269
3270 if ($num_comments > 0) {
3271 if ($line["comments"]) {
3272 $comments_url = $line["comments"];
3273 } else {
3274 $comments_url = $line["link"];
3275 }
3276 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3277 } else {
3278 if ($line["comments"] && $line["link"] != $line["comments"]) {
3279 $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
3280 }
3281 }
3282
3283 if ($zoom_mode) {
3284 header("Content-Type: text/html");
3285 $rv['content'] .= "<html><head>
3286 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3287 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3288 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3289 </head><body>";
3290 }
3291
3292 $title_escaped = db_escape_string($line['title']);
3293
3294 $rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
3295 truncate_string(strip_tags($line['title']), 15) . "</div>";
3296
3297 $rv['content'] .= "<div id=\"PTITLE-FULL-$id\" style=\"display : none\">" .
3298 strip_tags($line['title']) . "</div>";
3299
3300 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3301
3302 $rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
3303 class=\"postHeader\" id=\"POSTHDR-$id\">";
3304
3305 $entry_author = $line["author"];
3306
3307 if ($entry_author) {
3308 $entry_author = __(" - ") . $entry_author;
3309 }
3310
3311 $parsed_updated = make_local_datetime($link, $line["updated"], true,
3312 $owner_uid, true);
3313
3314 $rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
3315
3316 if ($line["link"]) {
3317 $rv['content'] .= "<div class='postTitle' clear='both'><a target='_blank'
3318 title=\"".htmlspecialchars($line['title'])."\"
3319 href=\"" .
3320 $line["link"] . "\">" .
3321 truncate_string($line["title"], 100) .
3322 "<span class='author'>$entry_author</span></a></div>";
3323 } else {
3324 $rv['content'] .= "<div class='postTitle' clear='both'>" . $line["title"] . "$entry_author</div>";
3325 }
3326
3327 $tag_cache = $line["tag_cache"];
3328
3329 if (!$tag_cache)
3330 $tags = get_article_tags($link, $id, $owner_uid);
3331 else
3332 $tags = explode(",", $tag_cache);
3333
3334 $tags_str = format_tags_string($tags, $id);
3335 $tags_str_full = join(", ", $tags);
3336
3337 if (!$tags_str_full) $tags_str_full = __("no tags");
3338
3339 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3340
3341 $rv['content'] .= "<div class='postTags' style='float : right'>
3342 <img src='".theme_image($link, 'images/tag.png')."'
3343 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3344
3345 if (!$zoom_mode) {
3346 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3347 <a title=\"".__('Edit tags for this article')."\"
3348 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3349
3350 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3351 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3352 position=\"below\">$tags_str_full</div>";
3353
3354 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
3355 class='tagsPic' style=\"cursor : pointer\"
3356 onclick=\"postOpenInNewTab(event, $id)\"
3357 alt='Zoom' title='".__('Open article in new tab')."'>";
3358
3359 $button_plugins = explode(",", ARTICLE_BUTTON_PLUGINS);
3360
3361 foreach ($button_plugins as $p) {
3362 $pclass = trim("${p}_button");
3363
3364 if (class_exists($pclass)) {
3365 $plugin = new $pclass($link);
3366 $rv['content'] .= $plugin->render($id, $line);
3367 }
3368 }
3369
3370 $rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
3371 class='tagsPic' style=\"cursor : pointer\"
3372 onclick=\"closeArticlePanel($id)\"
3373 title='".__('Close article')."'>";
3374
3375 } else {
3376 $tags_str = strip_tags($tags_str);
3377 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3378 }
3379 $rv['content'] .= "</div>";
3380 $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3381
3382 if ($line["orig_feed_id"]) {
3383
3384 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3385 WHERE id = ".$line["orig_feed_id"]);
3386
3387 if (db_num_rows($tmp_result) != 0) {
3388
3389 $rv['content'] .= "<div clear='both'>";
3390 $rv['content'] .= __("Originally from:");
3391
3392 $rv['content'] .= "&nbsp;";
3393
3394 $tmp_line = db_fetch_assoc($tmp_result);
3395
3396 $rv['content'] .= "<a target='_blank'
3397 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3398 $tmp_line['title'] . "</a>";
3399
3400 $rv['content'] .= "&nbsp;";
3401
3402 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3403 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.png'></a>";
3404
3405 $rv['content'] .= "</div>";
3406 }
3407 }
3408
3409 $rv['content'] .= "</div>";
3410
3411 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3412 if ($line['note']) {
3413 $rv['content'] .= format_article_note($id, $line['note']);
3414 }
3415 $rv['content'] .= "</div>";
3416
3417 $rv['content'] .= "<div class=\"postIcon\">" .
3418 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
3419 href=\"".htmlspecialchars($feed_site_url)."\">".
3420 $feed_icon . "</a></div>";
3421
3422 $rv['content'] .= "<div class=\"postContent\">";
3423
3424 // N-grams
3425
3426 if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_RELATED_THRESHOLD')) {
3427
3428 $ngram_result = db_query($link, "SELECT id,title FROM
3429 ttrss_entries,ttrss_user_entries
3430 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
3431 AND similarity(title, '$title_escaped') >= "._NGRAM_TITLE_RELATED_THRESHOLD."
3432 AND title != '$title_escaped'
3433 AND owner_uid = $owner_uid");
3434
3435 if (db_num_rows($ngram_result) > 0) {
3436 $rv['content'] .= "<div dojoType=\"dijit.form.DropDownButton\">".
3437 "<span>" . __('Related')."</span>";
3438 $rv['content'] .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
3439
3440 while ($nline = db_fetch_assoc($ngram_result)) {
3441 $rv['content'] .= "<div onclick=\"hlOpenInNewTab(null,".$nline['id'].")\"
3442 dojoType=\"dijit.MenuItem\">".$nline['title']."</div>";
3443
3444 }
3445 $rv['content'] .= "</div></div><br/";
3446 }
3447 }
3448
3449 $article_content = sanitize($link, $line["content"], false, $owner_uid,
3450 $feed_site_url);
3451
3452 $rv['content'] .= $article_content;
3453
3454 $rv['content'] .= format_article_enclosures($link, $id,
3455 $always_display_enclosures, $article_content);
3456
3457 $rv['content'] .= "</div>";
3458
3459 $rv['content'] .= "</div>";
3460
3461 }
3462
3463 if ($zoom_mode) {
3464 $rv['content'] .= "
3465 <div style=\"text-align : center\">
3466 <button onclick=\"return window.close()\">".
3467 __("Close this window")."</button></div>";
3468 $rv['content'] .= "</body></html>";
3469 }
3470
3471 return $rv;
3472
3473 }
3474
3475 function print_checkpoint($n, $s) {
3476 $ts = getmicrotime();
3477 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3478 return $ts;
3479 }
3480
3481 function sanitize_tag($tag) {
3482 $tag = trim($tag);
3483
3484 $tag = mb_strtolower($tag, 'utf-8');
3485
3486 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3487
3488 // $tag = str_replace('"', "", $tag);
3489 // $tag = str_replace("+", " ", $tag);
3490 $tag = str_replace("technorati tag: ", "", $tag);
3491
3492 return $tag;
3493 }
3494
3495 function get_self_url_prefix() {
3496 return SELF_URL_PATH;
3497 }
3498
3499 function opml_publish_url($link){
3500
3501 $url_path = get_self_url_prefix();
3502 $url_path .= "/opml.php?op=publish&key=" .
3503 get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
3504
3505 return $url_path;
3506 }
3507
3508 /**
3509 * Purge a feed contents, marked articles excepted.
3510 *
3511 * @param mixed $link The database connection.
3512 * @param integer $id The id of the feed to purge.
3513 * @return void
3514 */
3515 function clear_feed_articles($link, $id) {
3516
3517 if ($id != 0) {
3518 $result = db_query($link, "DELETE FROM ttrss_user_entries
3519 WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
3520 } else {
3521 $result = db_query($link, "DELETE FROM ttrss_user_entries
3522 WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
3523 }
3524
3525 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
3526 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
3527
3528 ccache_update($link, $id, $_SESSION['uid']);
3529 } // function clear_feed_articles
3530
3531 /**
3532 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3533 *
3534 * @return string The Mozilla Firefox feed adding URL.
3535 */
3536 function add_feed_url() {
3537 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3538
3539 $url_path = get_self_url_prefix() .
3540 "/backend.php?op=pref-feeds&quiet=1&method=add&feed_url=%s";
3541 return $url_path;
3542 } // function add_feed_url
3543
3544 function encrypt_password($pass, $salt = '', $mode2 = false) {
3545 if ($salt && $mode2) {
3546 return "MODE2:" . hash('sha256', $salt . $pass);
3547 } else if ($salt) {
3548 return "SHA1X:" . sha1("$salt:$pass");
3549 } else {
3550 return "SHA1:" . sha1($pass);
3551 }
3552 } // function encrypt_password
3553
3554 function sanitize_article_content($text) {
3555 # we don't support CDATA sections in articles, they break our own escaping
3556 $text = preg_replace("/\[\[CDATA/", "", $text);
3557 $text = preg_replace("/\]\]\>/", "", $text);
3558 return $text;
3559 }
3560
3561 function load_filters($link, $feed, $owner_uid, $action_id = false) {
3562 $filters = array();
3563
3564
3565 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
3566
3567 $result = db_query($link, "SELECT reg_exp,
3568 ttrss_filter_types.name AS name,
3569 ttrss_filter_actions.name AS action,
3570 inverse,
3571 action_param,
3572 filter_param
3573 FROM ttrss_filters
3574 LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = '$feed'),
3575 ttrss_filter_types,ttrss_filter_actions
3576 WHERE
3577 enabled = true AND
3578 $ftype_query_part
3579 ttrss_filters.owner_uid = $owner_uid AND
3580 ttrss_filter_types.id = filter_type AND
3581 ttrss_filter_actions.id = action_id AND
3582 ((cat_filter = true AND ttrss_feeds.cat_id = ttrss_filters.cat_id) OR
3583 (cat_filter = true AND ttrss_feeds.cat_id IS NULL AND
3584 ttrss_filters.cat_id IS NULL) OR
3585 (cat_filter = false AND (feed_id IS NULL OR feed_id = '$feed')))
3586 ORDER BY reg_exp");
3587
3588 while ($line = db_fetch_assoc($result)) {
3589
3590 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
3591 $filter["reg_exp"] = $line["reg_exp"];
3592 $filter["action"] = $line["action"];
3593 $filter["action_param"] = $line["action_param"];
3594 $filter["filter_param"] = $line["filter_param"];
3595 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3596
3597 array_push($filters[$line["name"]], $filter);
3598 }
3599
3600
3601 return $filters;
3602 }
3603
3604 function get_score_pic($score) {
3605 if ($score > 100) {
3606 return "score_high.png";
3607 } else if ($score > 0) {
3608 return "score_half_high.png";
3609 } else if ($score < -100) {
3610 return "score_low.png";
3611 } else if ($score < 0) {
3612 return "score_half_low.png";
3613 } else {
3614 return "score_neutral.png";
3615 }
3616 }
3617
3618 function feed_has_icon($id) {
3619 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3620 }
3621
3622 function init_connection($link) {
3623 if ($link) {
3624
3625 if (DB_TYPE == "pgsql") {
3626 pg_query($link, "set client_encoding = 'UTF-8'");
3627 pg_set_client_encoding("UNICODE");
3628 pg_query($link, "set datestyle = 'ISO, european'");
3629 pg_query($link, "set TIME ZONE 0");
3630 } else {
3631 db_query($link, "SET time_zone = '+0:0'");
3632
3633 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
3634 db_query($link, "SET NAMES " . MYSQL_CHARSET);
3635 }
3636 }
3637 return true;
3638 } else {
3639 print "Unable to connect to database:" . db_last_error();
3640 return false;
3641 }
3642 }
3643
3644 /* function ccache_zero($link, $feed_id, $owner_uid) {
3645 db_query($link, "UPDATE ttrss_counters_cache SET
3646 value = 0, updated = NOW() WHERE
3647 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3648 } */
3649
3650 function ccache_zero_all($link, $owner_uid) {
3651 db_query($link, "UPDATE ttrss_counters_cache SET
3652 value = 0 WHERE owner_uid = '$owner_uid'");
3653
3654 db_query($link, "UPDATE ttrss_cat_counters_cache SET
3655 value = 0 WHERE owner_uid = '$owner_uid'");
3656 }
3657
3658 function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
3659
3660 if (!$is_cat) {
3661 $table = "ttrss_counters_cache";
3662 } else {
3663 $table = "ttrss_cat_counters_cache";
3664 }
3665
3666 db_query($link, "DELETE FROM $table WHERE
3667 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3668
3669 }
3670
3671 function ccache_update_all($link, $owner_uid) {
3672
3673 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
3674
3675 $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
3676 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
3677
3678 while ($line = db_fetch_assoc($result)) {
3679 ccache_update($link, $line["feed_id"], $owner_uid, true);
3680 }
3681
3682 /* We have to manually include category 0 */
3683
3684 ccache_update($link, 0, $owner_uid, true);
3685
3686 } else {
3687 $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
3688 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
3689
3690 while ($line = db_fetch_assoc($result)) {
3691 print ccache_update($link, $line["feed_id"], $owner_uid);
3692
3693 }
3694
3695 }
3696 }
3697
3698 function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
3699 $no_update = false) {
3700
3701 if (!is_numeric($feed_id)) return;
3702
3703 if (!$is_cat) {
3704 $table = "ttrss_counters_cache";
3705 if ($feed_id > 0) {
3706 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
3707 WHERE id = '$feed_id'");
3708 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
3709 }
3710 } else {
3711 $table = "ttrss_cat_counters_cache";
3712 }
3713
3714 if (DB_TYPE == "pgsql") {
3715 $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
3716 } else if (DB_TYPE == "mysql") {
3717 $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
3718 }
3719
3720 $result = db_query($link, "SELECT value FROM $table
3721 WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
3722 LIMIT 1");
3723
3724 if (db_num_rows($result) == 1) {
3725 return db_fetch_result($result, 0, "value");
3726 } else {
3727 if ($no_update) {
3728 return -1;
3729 } else {
3730 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
3731 }
3732 }
3733
3734 }
3735
3736 function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
3737 $update_pcat = true) {
3738
3739 if (!is_numeric($feed_id)) return;
3740
3741 if (!$is_cat && $feed_id > 0) {
3742 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
3743 WHERE id = '$feed_id'");
3744 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
3745 }
3746
3747 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
3748
3749 /* When updating a label, all we need to do is recalculate feed counters
3750 * because labels are not cached */
3751
3752 if ($feed_id < 0) {
3753 ccache_update_all($link, $owner_uid);
3754 return;
3755 }
3756
3757 if (!$is_cat) {
3758 $table = "ttrss_counters_cache";
3759 } else {
3760 $table = "ttrss_cat_counters_cache";
3761 }
3762
3763 if ($is_cat && $feed_id >= 0) {
3764 if ($feed_id != 0) {
3765 $cat_qpart = "cat_id = '$feed_id'";
3766 } else {
3767 $cat_qpart = "cat_id IS NULL";
3768 }
3769
3770 /* Recalculate counters for child feeds */
3771
3772 $result = db_query($link, "SELECT id FROM ttrss_feeds
3773 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
3774
3775 while ($line = db_fetch_assoc($result)) {
3776 ccache_update($link, $line["id"], $owner_uid, false, false);
3777 }
3778
3779 $result = db_query($link, "SELECT SUM(value) AS sv
3780 FROM ttrss_counters_cache, ttrss_feeds
3781 WHERE id = feed_id AND $cat_qpart AND
3782 ttrss_feeds.owner_uid = '$owner_uid'");
3783
3784 $unread = (int) db_fetch_result($result, 0, "sv");
3785
3786 } else {
3787 $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
3788 }
3789
3790 db_query($link, "BEGIN");
3791
3792 $result = db_query($link, "SELECT feed_id FROM $table
3793 WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
3794
3795 if (db_num_rows($result) == 1) {
3796 db_query($link, "UPDATE $table SET
3797 value = '$unread', updated = NOW() WHERE
3798 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3799
3800 } else {
3801 db_query($link, "INSERT INTO $table
3802 (feed_id, value, owner_uid, updated)
3803 VALUES
3804 ($feed_id, $unread, $owner_uid, NOW())");
3805 }
3806
3807 db_query($link, "COMMIT");
3808
3809 if ($feed_id > 0 && $prev_unread != $unread) {
3810
3811 if (!$is_cat) {
3812
3813 /* Update parent category */
3814
3815 if ($update_pcat) {
3816
3817 $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
3818 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
3819
3820 $cat_id = (int) db_fetch_result($result, 0, "cat_id");
3821
3822 ccache_update($link, $cat_id, $owner_uid, true);
3823
3824 }
3825 }
3826 } else if ($feed_id < 0) {
3827 ccache_update_all($link, $owner_uid);
3828 }
3829
3830 return $unread;
3831 }
3832
3833 /* function ccache_cleanup($link, $owner_uid) {
3834
3835 if (DB_TYPE == "pgsql") {
3836 db_query($link, "DELETE FROM ttrss_counters_cache AS c1 WHERE
3837 (SELECT count(*) FROM ttrss_counters_cache AS c2
3838 WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
3839 AND owner_uid = '$owner_uid'");
3840
3841 db_query($link, "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
3842 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
3843 WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
3844 AND owner_uid = '$owner_uid'");
3845 } else {
3846 db_query($link, "DELETE c1 FROM
3847 ttrss_counters_cache AS c1,
3848 ttrss_counters_cache AS c2
3849 WHERE
3850 c1.owner_uid = '$owner_uid' AND
3851 c1.owner_uid = c2.owner_uid AND
3852 c1.feed_id = c2.feed_id");
3853
3854 db_query($link, "DELETE c1 FROM
3855 ttrss_cat_counters_cache AS c1,
3856 ttrss_cat_counters_cache AS c2
3857 WHERE
3858 c1.owner_uid = '$owner_uid' AND
3859 c1.owner_uid = c2.owner_uid AND
3860 c1.feed_id = c2.feed_id");
3861
3862 }
3863 } */
3864
3865 function label_find_id($link, $label, $owner_uid) {
3866 $result = db_query($link,
3867 "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
3868 AND owner_uid = '$owner_uid' LIMIT 1");
3869
3870 if (db_num_rows($result) == 1) {
3871 return db_fetch_result($result, 0, "id");
3872 } else {
3873 return 0;
3874 }
3875 }
3876
3877 function get_article_labels($link, $id) {
3878 $rv = array();
3879
3880
3881 $result = db_query($link, "SELECT label_cache FROM
3882 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
3883 $_SESSION["uid"]);
3884
3885 $label_cache = db_fetch_result($result, 0, "label_cache");
3886
3887 if ($label_cache) {
3888
3889 $label_cache = json_decode($label_cache, true);
3890
3891 if ($label_cache["no-labels"] == 1)
3892 return $rv;
3893 else
3894 return $label_cache;
3895 }
3896
3897 $result = db_query($link,
3898 "SELECT DISTINCT label_id,caption,fg_color,bg_color
3899 FROM ttrss_labels2, ttrss_user_labels2
3900 WHERE id = label_id
3901 AND article_id = '$id'
3902 AND owner_uid = ".$_SESSION["uid"] . "
3903 ORDER BY caption");
3904
3905 while ($line = db_fetch_assoc($result)) {
3906 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
3907 $line["bg_color"]);
3908 array_push($rv, $rk);
3909 }
3910
3911 if (count($rv) > 0)
3912 label_update_cache($link, $id, $rv);
3913 else
3914 label_update_cache($link, $id, array("no-labels" => 1));
3915
3916 return $rv;
3917 }
3918
3919
3920 function label_find_caption($link, $label, $owner_uid) {
3921 $result = db_query($link,
3922 "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
3923 AND owner_uid = '$owner_uid' LIMIT 1");
3924
3925 if (db_num_rows($result) == 1) {
3926 return db_fetch_result($result, 0, "caption");
3927 } else {
3928 return "";
3929 }
3930 }
3931
3932 function label_update_cache($link, $id, $labels = false, $force = false) {
3933
3934 if ($force)
3935 label_clear_cache($link, $id);
3936
3937 if (!$labels)
3938 $labels = get_article_labels($link, $id);
3939
3940 $labels = db_escape_string(json_encode($labels));
3941
3942 db_query($link, "UPDATE ttrss_user_entries SET
3943 label_cache = '$labels' WHERE ref_id = '$id'");
3944
3945 }
3946
3947 function label_clear_cache($link, $id) {
3948
3949 db_query($link, "UPDATE ttrss_user_entries SET
3950 label_cache = '' WHERE ref_id = '$id'");
3951
3952 }
3953
3954 function label_remove_article($link, $id, $label, $owner_uid) {
3955
3956 $label_id = label_find_id($link, $label, $owner_uid);
3957
3958 if (!$label_id) return;
3959
3960 $result = db_query($link,
3961 "DELETE FROM ttrss_user_labels2
3962 WHERE
3963 label_id = '$label_id' AND
3964 article_id = '$id'");
3965
3966 label_clear_cache($link, $id);
3967 }
3968
3969 function label_add_article($link, $id, $label, $owner_uid) {
3970
3971 $label_id = label_find_id($link, $label, $owner_uid);
3972
3973 if (!$label_id) return;
3974
3975 $result = db_query($link,
3976 "SELECT
3977 article_id FROM ttrss_labels2, ttrss_user_labels2
3978 WHERE
3979 label_id = id AND
3980 label_id = '$label_id' AND
3981 article_id = '$id' AND owner_uid = '$owner_uid'
3982 LIMIT 1");
3983
3984 if (db_num_rows($result) == 0) {
3985 db_query($link, "INSERT INTO ttrss_user_labels2
3986 (label_id, article_id) VALUES ('$label_id', '$id')");
3987 }
3988
3989 label_clear_cache($link, $id);
3990
3991 }
3992
3993 function label_remove($link, $id, $owner_uid) {
3994 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3995
3996 db_query($link, "BEGIN");
3997
3998 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3999 WHERE id = '$id'");
4000
4001 $caption = db_fetch_result($result, 0, "caption");
4002
4003 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
4004 AND owner_uid = " . $owner_uid);
4005
4006 if (db_affected_rows($link, $result) != 0 && $caption) {
4007
4008 /* Remove access key for the label */
4009
4010 $ext_id = -11 - $id;
4011
4012 db_query($link, "DELETE FROM ttrss_access_keys WHERE
4013 feed_id = '$ext_id' AND owner_uid = $owner_uid");
4014
4015 /* Disable filters that reference label being removed */
4016
4017 db_query($link, "UPDATE ttrss_filters SET
4018 enabled = false WHERE action_param = '$caption'
4019 AND action_id = 7
4020 AND owner_uid = " . $owner_uid);
4021
4022 /* Remove cached data */
4023
4024 db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
4025 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
4026
4027 }
4028
4029 db_query($link, "COMMIT");
4030 }
4031
4032 function label_create($link, $caption, $fg_color = '', $bg_color = '', $owner_uid) {
4033
4034 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
4035
4036 db_query($link, "BEGIN");
4037
4038 $result = false;
4039
4040 $result = db_query($link, "SELECT id FROM ttrss_labels2
4041 WHERE caption = '$caption' AND owner_uid = $owner_uid");
4042
4043 if (db_num_rows($result) == 0) {
4044 $result = db_query($link,
4045 "INSERT INTO ttrss_labels2 (caption,owner_uid,fg_color,bg_color)
4046 VALUES ('$caption', '$owner_uid', '$fg_color', '$bg_color')");
4047
4048 $result = db_affected_rows($link, $result) != 0;
4049 }
4050
4051 db_query($link, "COMMIT");
4052
4053 return $result;
4054 }
4055
4056 function format_tags_string($tags, $id) {
4057
4058 $tags_str = "";
4059 $tags_nolinks_str = "";
4060
4061 $num_tags = 0;
4062
4063 $tag_limit = 6;
4064
4065 $formatted_tags = array();
4066
4067 foreach ($tags as $tag) {
4068 $num_tags++;
4069 $tag_escaped = str_replace("'", "\\'", $tag);
4070
4071 if (mb_strlen($tag) > 30) {
4072 $tag = truncate_string($tag, 30);
4073 }
4074
4075 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
4076
4077 array_push($formatted_tags, $tag_str);
4078
4079 $tmp_tags_str = implode(", ", $formatted_tags);
4080
4081 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
4082 break;
4083 }
4084 }
4085
4086 $tags_str = implode(", ", $formatted_tags);
4087
4088 if ($num_tags < count($tags)) {
4089 $tags_str .= ", &hellip;";
4090 }
4091
4092 if ($num_tags == 0) {
4093 $tags_str = __("no tags");
4094 }
4095
4096 return $tags_str;
4097
4098 }
4099
4100 function format_article_labels($labels, $id) {
4101
4102 $labels_str = "";
4103
4104 foreach ($labels as $l) {
4105 $labels_str .= sprintf("<span class='hlLabelRef'
4106 style='color : %s; background-color : %s'>%s</span>",
4107 $l[2], $l[3], $l[1]);
4108 }
4109
4110 return $labels_str;
4111
4112 }
4113
4114 function format_article_note($id, $note) {
4115
4116 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
4117 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
4118 __('(edit note)')."</div>$note</div>";
4119
4120 return $str;
4121 }
4122
4123 function toggle_collapse_cat($link, $cat_id, $mode) {
4124 if ($cat_id > 0) {
4125 $mode = bool_to_sql_bool($mode);
4126
4127 db_query($link, "UPDATE ttrss_feed_categories SET
4128 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
4129 $_SESSION["uid"]);
4130 } else {
4131 $pref_name = '';
4132
4133 switch ($cat_id) {
4134 case -1:
4135 $pref_name = '_COLLAPSED_SPECIAL';
4136 break;
4137 case -2:
4138 $pref_name = '_COLLAPSED_LABELS';
4139 break;
4140 case 0:
4141 $pref_name = '_COLLAPSED_UNCAT';
4142 break;
4143 }
4144
4145 if ($pref_name) {
4146 if ($mode) {
4147 set_pref($link, $pref_name, 'true');
4148 } else {
4149 set_pref($link, $pref_name, 'false');
4150 }
4151 }
4152 }
4153 }
4154
4155 function remove_feed($link, $id, $owner_uid) {
4156
4157 if ($id > 0) {
4158
4159 /* save starred articles in Archived feed */
4160
4161 db_query($link, "BEGIN");
4162
4163 /* prepare feed if necessary */
4164
4165 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
4166 WHERE id = '$id'");
4167
4168 if (db_num_rows($result) == 0) {
4169 db_query($link, "INSERT INTO ttrss_archived_feeds
4170 (id, owner_uid, title, feed_url, site_url)
4171 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
4172 WHERE id = '$id'");
4173 }
4174
4175 db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
4176 orig_feed_id = '$id' WHERE feed_id = '$id' AND
4177 marked = true AND owner_uid = $owner_uid");
4178
4179 /* Remove access key for the feed */
4180
4181 db_query($link, "DELETE FROM ttrss_access_keys WHERE
4182 feed_id = '$id' AND owner_uid = $owner_uid");
4183
4184 /* remove the feed */
4185
4186 db_query($link, "DELETE FROM ttrss_feeds
4187 WHERE id = '$id' AND owner_uid = $owner_uid");
4188
4189 db_query($link, "COMMIT");
4190
4191 if (file_exists(ICONS_DIR . "/$id.ico")) {
4192 unlink(ICONS_DIR . "/$id.ico");
4193 }
4194
4195 ccache_remove($link, $id, $owner_uid);
4196
4197 } else {
4198 label_remove($link, -11-$id, $owner_uid);
4199 ccache_remove($link, -11-$id, $owner_uid);
4200 }
4201 }
4202
4203 function get_feed_category($link, $feed_cat, $parent_cat_id = false) {
4204 if ($parent_cat_id) {
4205 $parent_qpart = "parent_cat = '$parent_cat_id'";
4206 $parent_insert = "'$parent_cat_id'";
4207 } else {
4208 $parent_qpart = "parent_cat IS NULL";
4209 $parent_insert = "NULL";
4210 }
4211
4212 $result = db_query($link,
4213 "SELECT id FROM ttrss_feed_categories
4214 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
4215
4216 if (db_num_rows($result) == 0) {
4217 return false;
4218 } else {
4219 return db_fetch_result($result, 0, "id");
4220 }
4221 }
4222
4223 function add_feed_category($link, $feed_cat, $parent_cat_id = false) {
4224
4225 if (!$feed_cat) return false;
4226
4227 db_query($link, "BEGIN");
4228
4229 if ($parent_cat_id) {
4230 $parent_qpart = "parent_cat = '$parent_cat_id'";
4231 $parent_insert = "'$parent_cat_id'";
4232 } else {
4233 $parent_qpart = "parent_cat IS NULL";
4234 $parent_insert = "NULL";
4235 }
4236
4237 $result = db_query($link,
4238 "SELECT id FROM ttrss_feed_categories
4239 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
4240
4241 if (db_num_rows($result) == 0) {
4242
4243 $result = db_query($link,
4244 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
4245 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
4246
4247 db_query($link, "COMMIT");
4248
4249 return true;
4250 }
4251
4252 return false;
4253 }
4254
4255 function remove_feed_category($link, $id, $owner_uid) {
4256
4257 db_query($link, "DELETE FROM ttrss_feed_categories
4258 WHERE id = '$id' AND owner_uid = $owner_uid");
4259
4260 ccache_remove($link, $id, $owner_uid, true);
4261 }
4262
4263 function archive_article($link, $id, $owner_uid) {
4264 db_query($link, "BEGIN");
4265
4266 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4267 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
4268
4269 if (db_num_rows($result) != 0) {
4270
4271 /* prepare the archived table */
4272
4273 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4274
4275 if ($feed_id) {
4276 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
4277 WHERE id = '$feed_id'");
4278
4279 if (db_num_rows($result) == 0) {
4280 db_query($link, "INSERT INTO ttrss_archived_feeds
4281 (id, owner_uid, title, feed_url, site_url)
4282 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
4283 WHERE id = '$feed_id'");
4284 }
4285
4286 db_query($link, "UPDATE ttrss_user_entries
4287 SET orig_feed_id = feed_id, feed_id = NULL
4288 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4289 }
4290 }
4291
4292 db_query($link, "COMMIT");
4293 }
4294
4295 function getArticleFeed($link, $id) {
4296 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4297 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4298
4299 if (db_num_rows($result) != 0) {
4300 return db_fetch_result($result, 0, "feed_id");
4301 } else {
4302 return 0;
4303 }
4304 }
4305
4306 /**
4307 * Fixes incomplete URLs by prepending "http://".
4308 * Also replaces feed:// with http://, and
4309 * prepends a trailing slash if the url is a domain name only.
4310 *
4311 * @param string $url Possibly incomplete URL
4312 *
4313 * @return string Fixed URL.
4314 */
4315 function fix_url($url) {
4316 if (strpos($url, '://') === false) {
4317 $url = 'http://' . $url;
4318 } else if (substr($url, 0, 5) == 'feed:') {
4319 $url = 'http:' . substr($url, 5);
4320 }
4321
4322 //prepend slash if the URL has no slash in it
4323 // "http://www.example" -> "http://www.example/"
4324 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
4325 $url .= '/';
4326 }
4327
4328 if ($url != "http:///")
4329 return $url;
4330 else
4331 return '';
4332 }
4333
4334 function validate_feed_url($url) {
4335 $parts = parse_url($url);
4336
4337 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
4338
4339 }
4340
4341 function get_article_enclosures($link, $id) {
4342
4343 $query = "SELECT * FROM ttrss_enclosures
4344 WHERE post_id = '$id' AND content_url != ''";
4345
4346 $rv = array();
4347
4348 $result = db_query($link, $query);
4349
4350 if (db_num_rows($result) > 0) {
4351 while ($line = db_fetch_assoc($result)) {
4352 array_push($rv, $line);
4353 }
4354 }
4355
4356 return $rv;
4357 }
4358
4359 function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
4360
4361 $feeds = array();
4362
4363 /* Labels */
4364
4365 if ($cat_id == -4 || $cat_id == -2) {
4366 $counters = getLabelCounters($link, true);
4367
4368 foreach (array_values($counters) as $cv) {
4369
4370 $unread = $cv["counter"];
4371
4372 if ($unread || !$unread_only) {
4373
4374 $row = array(
4375 "id" => $cv["id"],
4376 "title" => $cv["description"],
4377 "unread" => $cv["counter"],
4378 "cat_id" => -2,
4379 );
4380
4381 array_push($feeds, $row);
4382 }
4383 }
4384 }
4385
4386 /* Virtual feeds */
4387
4388 if ($cat_id == -4 || $cat_id == -1) {
4389 foreach (array(-1, -2, -3, -4, 0) as $i) {
4390 $unread = getFeedUnread($link, $i);
4391
4392 if ($unread || !$unread_only) {
4393 $title = getFeedTitle($link, $i);
4394
4395 $row = array(
4396 "id" => $i,
4397 "title" => $title,
4398 "unread" => $unread,
4399 "cat_id" => -1,
4400 );
4401 array_push($feeds, $row);
4402 }
4403
4404 }
4405 }
4406
4407 /* Real feeds */
4408
4409 if ($limit) {
4410 $limit_qpart = "LIMIT $limit OFFSET $offset";
4411 } else {
4412 $limit_qpart = "";
4413 }
4414
4415 if ($cat_id == -4 || $cat_id == -3) {
4416 $result = db_query($link, "SELECT
4417 id, feed_url, cat_id, title, order_id, ".
4418 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
4419 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
4420 " ORDER BY cat_id, title " . $limit_qpart);
4421 } else {
4422
4423 if ($cat_id)
4424 $cat_qpart = "cat_id = '$cat_id'";
4425 else
4426 $cat_qpart = "cat_id IS NULL";
4427
4428 $result = db_query($link, "SELECT
4429 id, feed_url, cat_id, title, order_id, ".
4430 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
4431 FROM ttrss_feeds WHERE
4432 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
4433 " ORDER BY cat_id, title " . $limit_qpart);
4434 }
4435
4436 while ($line = db_fetch_assoc($result)) {
4437
4438 $unread = getFeedUnread($link, $line["id"]);
4439
4440 $has_icon = feed_has_icon($line['id']);
4441
4442 if ($unread || !$unread_only) {
4443
4444 $row = array(
4445 "feed_url" => $line["feed_url"],
4446 "title" => $line["title"],
4447 "id" => (int)$line["id"],
4448 "unread" => (int)$unread,
4449 "has_icon" => $has_icon,
4450 "cat_id" => (int)$line["cat_id"],
4451 "last_updated" => strtotime($line["last_updated"]),
4452 "order_id" => (int) $line["order_id"],
4453 );
4454
4455 array_push($feeds, $row);
4456 }
4457 }
4458
4459 return $feeds;
4460 }
4461
4462 function api_get_headlines($link, $feed_id, $limit, $offset,
4463 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
4464 $include_attachments, $since_id,
4465 $search = "", $search_mode = "", $match_on = "") {
4466
4467 $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
4468 $view_mode, $is_cat, $search, $search_mode, $match_on,
4469 $order, $offset, 0, false, $since_id);
4470
4471 $result = $qfh_ret[0];
4472 $feed_title = $qfh_ret[1];
4473
4474 $headlines = array();
4475
4476 while ($line = db_fetch_assoc($result)) {
4477 $is_updated = ($line["last_read"] == "" &&
4478 ($line["unread"] != "t" && $line["unread"] != "1"));
4479
4480 $tags = explode(",", $line["tag_cache"]);
4481 $labels = json_decode($line["label_cache"], true);
4482
4483 //if (!$tags) $tags = get_article_tags($link, $line["id"]);
4484 //if (!$labels) $labels = get_article_labels($link, $line["id"]);
4485
4486 $headline_row = array(
4487 "id" => (int)$line["id"],
4488 "unread" => sql_bool_to_bool($line["unread"]),
4489 "marked" => sql_bool_to_bool($line["marked"]),
4490 "published" => sql_bool_to_bool($line["published"]),
4491 "updated" => strtotime($line["updated"]),
4492 "is_updated" => $is_updated,
4493 "title" => $line["title"],
4494 "link" => $line["link"],
4495 "feed_id" => $line["feed_id"],
4496 "tags" => $tags,
4497 );
4498
4499 if ($include_attachments)
4500 $headline_row['attachments'] = get_article_enclosures($link,
4501 $line['id']);
4502
4503 if ($show_excerpt) {
4504 $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
4505 $headline_row["excerpt"] = $excerpt;
4506 }
4507
4508 if ($show_content) {
4509 $headline_row["content"] = $line["content_preview"];
4510 }
4511
4512 // unify label output to ease parsing
4513 if ($labels["no-labels"] == 1) $labels = array();
4514
4515 $headline_row["labels"] = $labels;
4516
4517 $headline_row["feed_title"] = $line["feed_title"];
4518
4519 array_push($headlines, $headline_row);
4520 }
4521
4522 return $headlines;
4523 }
4524
4525 function generate_error_feed($link, $error) {
4526 $reply = array();
4527
4528 $reply['headlines']['id'] = -6;
4529 $reply['headlines']['is_cat'] = false;
4530
4531 $reply['headlines']['toolbar'] = '';
4532 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
4533
4534 $reply['headlines-info'] = array("count" => 0,
4535 "vgroup_last_feed" => '',
4536 "unread" => 0,
4537 "disable_cache" => true);
4538
4539 return $reply;
4540 }
4541
4542
4543 function generate_dashboard_feed($link) {
4544 $reply = array();
4545
4546 $reply['headlines']['id'] = -5;
4547 $reply['headlines']['is_cat'] = false;
4548
4549 $reply['headlines']['toolbar'] = '';
4550 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
4551
4552 $reply['headlines']['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
4553
4554 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
4555 WHERE owner_uid = " . $_SESSION['uid']);
4556
4557 $last_updated = db_fetch_result($result, 0, "last_updated");
4558 $last_updated = make_local_datetime($link, $last_updated, false);
4559
4560 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
4561
4562 $result = db_query($link, "SELECT COUNT(id) AS num_errors
4563 FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
4564
4565 $num_errors = db_fetch_result($result, 0, "num_errors");
4566
4567 if ($num_errors > 0) {
4568 $reply['headlines']['content'] .= "<br/>";
4569 $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
4570 __('Some feeds have update errors (click for details)')."</a>";
4571 }
4572 $reply['headlines']['content'] .= "</span></p>";
4573
4574 $reply['headlines-info'] = array("count" => 0,
4575 "vgroup_last_feed" => '',
4576 "unread" => 0,
4577 "disable_cache" => true);
4578
4579 return $reply;
4580 }
4581
4582 function save_email_address($link, $email) {
4583 // FIXME: implement persistent storage of emails
4584
4585 if (!$_SESSION['stored_emails'])
4586 $_SESSION['stored_emails'] = array();
4587
4588 if (!in_array($email, $_SESSION['stored_emails']))
4589 array_push($_SESSION['stored_emails'], $email);
4590 }
4591
4592 function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
4593 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4594
4595 $sql_is_cat = bool_to_sql_bool($is_cat);
4596
4597 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
4598 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4599 AND owner_uid = " . $owner_uid);
4600
4601 if (db_num_rows($result) == 1) {
4602 $key = db_escape_string(sha1(uniqid(rand(), true)));
4603
4604 db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
4605 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4606 AND owner_uid = " . $owner_uid);
4607
4608 return $key;
4609
4610 } else {
4611 return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
4612 }
4613 }
4614
4615 function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
4616
4617 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4618
4619 $sql_is_cat = bool_to_sql_bool($is_cat);
4620
4621 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
4622 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4623 AND owner_uid = " . $owner_uid);
4624
4625 if (db_num_rows($result) == 1) {
4626 return db_fetch_result($result, 0, "access_key");
4627 } else {
4628 $key = db_escape_string(sha1(uniqid(rand(), true)));
4629
4630 $result = db_query($link, "INSERT INTO ttrss_access_keys
4631 (access_key, feed_id, is_cat, owner_uid)
4632 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
4633
4634 return $key;
4635 }
4636 return false;
4637 }
4638
4639 /**
4640 * Extracts RSS/Atom feed URLs from the given HTML URL.
4641 *
4642 * @param string $url HTML page URL
4643 *
4644 * @return array Array of feeds. Key is the full URL, value the title
4645 */
4646 function get_feeds_from_html($url, $login = false, $pass = false)
4647 {
4648 $url = fix_url($url);
4649 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
4650
4651 libxml_use_internal_errors(true);
4652
4653 $content = @fetch_file_contents($url, false, $login, $pass);
4654
4655 $doc = new DOMDocument();
4656 $doc->loadHTML($content);
4657 $xpath = new DOMXPath($doc);
4658 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
4659 $feedUrls = array();
4660 foreach ($entries as $entry) {
4661 if ($entry->hasAttribute('href')) {
4662 $title = $entry->getAttribute('title');
4663 if ($title == '') {
4664 $title = $entry->getAttribute('type');
4665 }
4666 $feedUrl = rewrite_relative_url(
4667 $baseUrl, $entry->getAttribute('href')
4668 );
4669 $feedUrls[$feedUrl] = $title;
4670 }
4671 }
4672 return $feedUrls;
4673 }
4674
4675 /**
4676 * Checks if the content behind the given URL is a HTML file
4677 *
4678 * @param string $url URL to check
4679 *
4680 * @return boolean True if the URL contains HTML content
4681 */
4682 function url_is_html($url, $login = false, $pass = false) {
4683 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
4684
4685 if (stripos($content, '<html>') === false
4686 && stripos($content, '<html ') === false
4687 ) {
4688 return false;
4689 }
4690
4691 return true;
4692 }
4693
4694 function print_label_select($link, $name, $value, $attributes = "") {
4695
4696 $result = db_query($link, "SELECT caption FROM ttrss_labels2
4697 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
4698
4699 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
4700 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
4701
4702 while ($line = db_fetch_assoc($result)) {
4703
4704 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
4705
4706 print "<option value=\"".htmlspecialchars($line["caption"])."\"
4707 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
4708
4709 }
4710
4711 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
4712
4713 print "</select>";
4714
4715
4716 }
4717
4718 function format_article_enclosures($link, $id, $always_display_enclosures,
4719 $article_content) {
4720
4721 $result = get_article_enclosures($link, $id);
4722 $rv = '';
4723
4724 if (count($result) > 0) {
4725
4726 $entries_html = array();
4727 $entries = array();
4728
4729 foreach ($result as $line) {
4730
4731 $url = $line["content_url"];
4732 $ctype = $line["content_type"];
4733
4734 if (!$ctype) $ctype = __("unknown type");
4735
4736 $filename = substr($url, strrpos($url, "/")+1);
4737
4738 # $player = format_inline_player($link, $url, $ctype);
4739
4740 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4741 # $filename . " (" . $ctype . ")" . "</a>";
4742
4743 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
4744 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
4745
4746 array_push($entries_html, $entry);
4747
4748 $entry = array();
4749
4750 $entry["type"] = $ctype;
4751 $entry["filename"] = $filename;
4752 $entry["url"] = $url;
4753
4754 array_push($entries, $entry);
4755 }
4756
4757 if (!get_pref($link, "STRIP_IMAGES")) {
4758 if ($always_display_enclosures ||
4759 !preg_match("/<img/i", $article_content)) {
4760
4761 foreach ($entries as $entry) {
4762
4763 if (preg_match("/image/", $entry["type"]) ||
4764 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4765
4766 $rv .= "<p><img
4767 alt=\"".htmlspecialchars($entry["filename"])."\"
4768 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4769
4770 }
4771 }
4772 }
4773 }
4774
4775 $rv .= "<div dojoType=\"dijit.form.DropDownButton\">".
4776 "<span>" . __('Attachments')."</span>";
4777 $rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
4778
4779 foreach ($entries_html as $entry) { $rv .= $entry; };
4780
4781 $rv .= "</div></div>";
4782 }
4783
4784 return $rv;
4785 }
4786
4787 function getLastArticleId($link) {
4788 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
4789 WHERE owner_uid = " . $_SESSION["uid"]);
4790
4791 if (db_num_rows($result) == 1) {
4792 return db_fetch_result($result, 0, "id");
4793 } else {
4794 return -1;
4795 }
4796 }
4797
4798 function build_url($parts) {
4799 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
4800 }
4801
4802 /**
4803 * Converts a (possibly) relative URL to a absolute one.
4804 *
4805 * @param string $url Base URL (i.e. from where the document is)
4806 * @param string $rel_url Possibly relative URL in the document
4807 *
4808 * @return string Absolute URL
4809 */
4810 function rewrite_relative_url($url, $rel_url) {
4811 if (strpos($rel_url, "magnet:") === 0) {
4812 return $rel_url;
4813 } else if (strpos($rel_url, "://") !== false) {
4814 return $rel_url;
4815 } else if (strpos($rel_url, "//") === 0) {
4816 # protocol-relative URL (rare but they exist)
4817 return $rel_url;
4818 } else if (strpos($rel_url, "/") === 0)
4819 {
4820 $parts = parse_url($url);
4821 $parts['path'] = $rel_url;
4822
4823 return build_url($parts);
4824
4825 } else {
4826 $parts = parse_url($url);
4827 if (!isset($parts['path'])) {
4828 $parts['path'] = '/';
4829 }
4830 $dir = $parts['path'];
4831 if (substr($dir, -1) !== '/') {
4832 $dir = dirname($parts['path']);
4833 $dir !== '/' && $dir .= '/';
4834 }
4835 $parts['path'] = $dir . $rel_url;
4836
4837 return build_url($parts);
4838 }
4839 }
4840
4841 function sphinx_search($query, $offset = 0, $limit = 30) {
4842 require_once 'lib/sphinxapi.php';
4843
4844 $sphinxClient = new SphinxClient();
4845
4846 $sphinxClient->SetServer('localhost', 9312);
4847 $sphinxClient->SetConnectTimeout(1);
4848
4849 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
4850 'feed_title' => 20));
4851
4852 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
4853 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
4854 $sphinxClient->SetLimits($offset, $limit, 1000);
4855 $sphinxClient->SetArrayResult(false);
4856 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
4857
4858 $result = $sphinxClient->Query($query, SPHINX_INDEX);
4859
4860 $ids = array();
4861
4862 if (is_array($result['matches'])) {
4863 foreach (array_keys($result['matches']) as $int_id) {
4864 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4865 array_push($ids, $ref_id);
4866 }
4867 }
4868
4869 return $ids;
4870 }
4871
4872 function cleanup_tags($link, $days = 14, $limit = 1000) {
4873
4874 if (DB_TYPE == "pgsql") {
4875 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4876 } else if (DB_TYPE == "mysql") {
4877 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4878 }
4879
4880 $tags_deleted = 0;
4881
4882 while ($limit > 0) {
4883 $limit_part = 500;
4884
4885 $query = "SELECT ttrss_tags.id AS id
4886 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4887 WHERE post_int_id = int_id AND $interval_query AND
4888 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4889
4890 $result = db_query($link, $query);
4891
4892 $ids = array();
4893
4894 while ($line = db_fetch_assoc($result)) {
4895 array_push($ids, $line['id']);
4896 }
4897
4898 if (count($ids) > 0) {
4899 $ids = join(",", $ids);
4900 print ".";
4901
4902 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
4903 $tags_deleted += db_affected_rows($link, $tmp_result);
4904 } else {
4905 break;
4906 }
4907
4908 $limit -= $limit_part;
4909 }
4910
4911 print "\n";
4912
4913 return $tags_deleted;
4914 }
4915
4916 function print_user_stylesheet($link) {
4917 $value = get_pref($link, 'USER_STYLESHEET');
4918
4919 if ($value) {
4920 print "<style type=\"text/css\">";
4921 print str_replace("<br/>", "\n", $value);
4922 print "</style>";
4923 }
4924
4925 }
4926
4927 /* function rewrite_urls($line) {
4928 global $url_regex;
4929
4930 $urls = null;
4931
4932 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
4933 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
4934
4935 return $result;
4936 } */
4937
4938 function rewrite_urls($html) {
4939 libxml_use_internal_errors(true);
4940
4941 $charset_hack = '<head>
4942 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
4943 </head>';
4944
4945 $doc = new DOMDocument();
4946 $doc->loadHTML($charset_hack . $html);
4947 $xpath = new DOMXPath($doc);
4948
4949 $entries = $xpath->query('//*/text()');
4950
4951 foreach ($entries as $entry) {
4952 if (strstr($entry->wholeText, "://") !== false) {
4953 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
4954 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
4955
4956 if ($text != $entry->wholeText) {
4957 $cdoc = new DOMDocument();
4958 $cdoc->loadHTML($charset_hack . $text);
4959
4960
4961 foreach ($cdoc->childNodes as $cnode) {
4962 $cnode = $doc->importNode($cnode, true);
4963
4964 if ($cnode) {
4965 $entry->parentNode->insertBefore($cnode);
4966 }
4967 }
4968
4969 $entry->parentNode->removeChild($entry);
4970
4971 }
4972 }
4973 }
4974
4975 $node = $doc->getElementsByTagName('body')->item(0);
4976
4977 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
4978 if ($node)
4979 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
4980 else
4981 return $html;
4982 }
4983
4984 function filter_to_sql($filter) {
4985 $query = "";
4986
4987 $regexp_valid = preg_match('/' . $filter['reg_exp'] . '/',
4988 $filter['reg_exp']) !== FALSE;
4989
4990 if ($regexp_valid) {
4991
4992 if (DB_TYPE == "pgsql")
4993 $reg_qpart = "~";
4994 else
4995 $reg_qpart = "REGEXP";
4996
4997 switch ($filter["type"]) {
4998 case "title":
4999 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
5000 $filter['reg_exp'] . "')";
5001 break;
5002 case "content":
5003 $query = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
5004 $filter['reg_exp'] . "')";
5005 break;
5006 case "both":
5007 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
5008 $filter['reg_exp'] . "') OR LOWER(" .
5009 "ttrss_entries.content) $reg_qpart LOWER('" . $filter['reg_exp'] . "')";
5010 break;
5011 case "tag":
5012 $query = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
5013 $filter['reg_exp'] . "')";
5014 break;
5015 case "link":
5016 $query = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
5017 $filter['reg_exp'] . "')";
5018 break;
5019 case "date":
5020
5021 if ($filter["filter_param"] == "before")
5022 $cmp_qpart = "<";
5023 else
5024 $cmp_qpart = ">=";
5025
5026 $timestamp = date("Y-m-d H:N:s", strtotime($filter["reg_exp"]));
5027 $query = "ttrss_entries.date_entered $cmp_qpart '$timestamp'";
5028 break;
5029 case "author":
5030 $query = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
5031 $filter['reg_exp'] . "')";
5032 break;
5033 }
5034
5035 if ($filter["inverse"])
5036 $query = "NOT ($query)";
5037
5038 if ($query) {
5039 if (DB_TYPE == "pgsql") {
5040 $query = " ($query) AND ttrss_entries.date_entered > NOW() - INTERVAL '14 days'";
5041 } else {
5042 $query = " ($query) AND ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL 14 DAY)";
5043 }
5044 $query .= " AND ";
5045 }
5046
5047 return $query;
5048 } else {
5049 return false;
5050 }
5051 }
5052
5053 // Status codes:
5054 // -1 - never connected
5055 // 0 - no data received
5056 // 1 - data received successfully
5057 // 2 - did not receive valid data
5058 // >10 - server error, code + 10 (e.g. 16 means server error 6)
5059
5060 function get_linked_feeds($link, $instance_id = false) {
5061 if ($instance_id)
5062 $instance_qpart = "id = '$instance_id' AND ";
5063 else
5064 $instance_qpart = "";
5065
5066 if (DB_TYPE == "pgsql") {
5067 $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
5068 } else {
5069 $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
5070 }
5071
5072 $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
5073 WHERE $instance_qpart $date_qpart ORDER BY last_connected");
5074
5075 while ($line = db_fetch_assoc($result)) {
5076 $id = $line['id'];
5077
5078 _debug("Updating: " . $line['access_url'] . " ($id)");
5079
5080 $fetch_url = $line['access_url'] . '/public.php?op=fbexport';
5081 $post_query = 'key=' . $line['access_key'];
5082
5083 $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
5084
5085 // try doing it the old way
5086 if (!$feeds) {
5087 $fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
5088 $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
5089 }
5090
5091 if ($feeds) {
5092 $feeds = json_decode($feeds, true);
5093
5094 if ($feeds) {
5095 if ($feeds['error']) {
5096 $status = $feeds['error']['code'] + 10;
5097 } else {
5098 $status = 1;
5099
5100 if (count($feeds['feeds']) > 0) {
5101
5102 db_query($link, "DELETE FROM ttrss_linked_feeds
5103 WHERE instance_id = '$id'");
5104
5105 foreach ($feeds['feeds'] as $feed) {
5106 $feed_url = db_escape_string($feed['feed_url']);
5107 $title = db_escape_string($feed['title']);
5108 $subscribers = db_escape_string($feed['subscribers']);
5109 $site_url = db_escape_string($feed['site_url']);
5110
5111 db_query($link, "INSERT INTO ttrss_linked_feeds
5112 (feed_url, site_url, title, subscribers, instance_id, created, updated)
5113 VALUES
5114 ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
5115 }
5116 } else {
5117 // received 0 feeds, this might indicate that
5118 // the instance on the other hand is rebuilding feedbrowser cache
5119 // we will try again later
5120
5121 // TODO: maybe perform expiration based on updated here?
5122 }
5123
5124 _debug("Processed " . count($feeds['feeds']) . " feeds.");
5125 }
5126 } else {
5127 $status = 2;
5128 }
5129
5130 } else {
5131 $status = 0;
5132 }
5133
5134 _debug("Status: $status");
5135
5136 db_query($link, "UPDATE ttrss_linked_instances SET
5137 last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
5138
5139 }
5140 }
5141
5142 function make_feed_browser($link, $search, $limit, $mode = 1) {
5143
5144 $owner_uid = $_SESSION["uid"];
5145 $rv = '';
5146
5147 if ($search) {
5148 $search_qpart = "AND (UPPER(feed_url) LIKE UPPER('%$search%') OR
5149 UPPER(title) LIKE UPPER('%$search%'))";
5150 } else {
5151 $search_qpart = "";
5152 }
5153
5154 if ($mode == 1) {
5155 /* $result = db_query($link, "SELECT feed_url, subscribers FROM
5156 ttrss_feedbrowser_cache WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5157 WHERE tf.feed_url = ttrss_feedbrowser_cache.feed_url
5158 AND owner_uid = '$owner_uid') $search_qpart
5159 ORDER BY subscribers DESC LIMIT $limit"); */
5160
5161 $result = db_query($link, "SELECT feed_url, site_url, title, SUM(subscribers) AS subscribers FROM
5162 (SELECT feed_url, site_url, title, subscribers FROM ttrss_feedbrowser_cache UNION ALL
5163 SELECT feed_url, site_url, title, subscribers FROM ttrss_linked_feeds) AS qqq
5164 WHERE
5165 (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5166 WHERE tf.feed_url = qqq.feed_url
5167 AND owner_uid = '$owner_uid') $search_qpart
5168 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT $limit");
5169
5170 } else if ($mode == 2) {
5171 $result = db_query($link, "SELECT *,
5172 (SELECT COUNT(*) FROM ttrss_user_entries WHERE
5173 orig_feed_id = ttrss_archived_feeds.id) AS articles_archived
5174 FROM
5175 ttrss_archived_feeds
5176 WHERE
5177 (SELECT COUNT(*) FROM ttrss_feeds
5178 WHERE ttrss_feeds.feed_url = ttrss_archived_feeds.feed_url AND
5179 owner_uid = '$owner_uid') = 0 AND
5180 owner_uid = '$owner_uid' $search_qpart
5181 ORDER BY id DESC LIMIT $limit");
5182 }
5183
5184 $feedctr = 0;
5185
5186 while ($line = db_fetch_assoc($result)) {
5187
5188 if ($mode == 1) {
5189
5190 $feed_url = htmlspecialchars($line["feed_url"]);
5191 $site_url = htmlspecialchars($line["site_url"]);
5192 $subscribers = $line["subscribers"];
5193
5194 $check_box = "<input onclick='toggleSelectListRow2(this)'
5195 dojoType=\"dijit.form.CheckBox\"
5196 type=\"checkbox\" \">";
5197
5198 $class = ($feedctr % 2) ? "even" : "odd";
5199
5200 $site_url = "<a target=\"_blank\"
5201 href=\"$site_url\">
5202 <span class=\"fb_feedTitle\">".
5203 htmlspecialchars($line["title"])."</span></a>";
5204
5205 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
5206 href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
5207 style='vertical-align : middle'></a>";
5208
5209 $rv .= "<li>$check_box $feed_url $site_url".
5210 "&nbsp;<span class='subscribers'>($subscribers)</span></li>";
5211
5212 } else if ($mode == 2) {
5213 $feed_url = htmlspecialchars($line["feed_url"]);
5214 $site_url = htmlspecialchars($line["site_url"]);
5215 $title = htmlspecialchars($line["title"]);
5216
5217 $check_box = "<input onclick='toggleSelectListRow2(this)' dojoType=\"dijit.form.CheckBox\"
5218 type=\"checkbox\">";
5219
5220 $class = ($feedctr % 2) ? "even" : "odd";
5221
5222 if ($line['articles_archived'] > 0) {
5223 $archived = sprintf(__("%d archived articles"), $line['articles_archived']);
5224 $archived = "&nbsp;<span class='subscribers'>($archived)</span>";
5225 } else {
5226 $archived = '';
5227 }
5228
5229 $site_url = "<a target=\"_blank\"
5230 href=\"$site_url\">
5231 <span class=\"fb_feedTitle\">".
5232 htmlspecialchars($line["title"])."</span></a>";
5233
5234 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
5235 href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
5236 style='vertical-align : middle'></a>";
5237
5238
5239 $rv .= "<li id=\"FBROW-".$line["id"]."\">".
5240 "$check_box $feed_url $site_url $archived</li>";
5241 }
5242
5243 ++$feedctr;
5244 }
5245
5246 if ($feedctr == 0) {
5247 $rv .= "<li style=\"text-align : center\"><p>".__('No feeds found.')."</p></li>";
5248 }
5249
5250 return $rv;
5251 }
5252
5253 if (!function_exists('gzdecode')) {
5254 function gzdecode($string) { // no support for 2nd argument
5255 return file_get_contents('compress.zlib://data:who/cares;base64,'.
5256 base64_encode($string));
5257 }
5258 }
5259
5260 function perform_data_import($link, $filename, $owner_uid) {
5261
5262 $num_imported = 0;
5263 $num_processed = 0;
5264 $num_feeds_created = 0;
5265
5266 $doc = @DOMDocument::load($filename);
5267
5268 if (!$doc) {
5269 $contents = file_get_contents($filename);
5270
5271 if ($contents) {
5272 $data = @gzuncompress($contents);
5273 }
5274
5275 if (!$data) {
5276 $data = @gzdecode($contents);
5277 }
5278
5279 if ($data)
5280 $doc = DOMDocument::loadXML($data);
5281 }
5282
5283 if ($doc) {
5284
5285 $xpath = new DOMXpath($doc);
5286
5287 $container = $doc->firstChild;
5288
5289 if ($container && $container->hasAttribute('schema-version')) {
5290 $schema_version = $container->getAttribute('schema-version');
5291
5292 if ($schema_version != SCHEMA_VERSION) {
5293 print "<p>" .__("Could not import: incorrect schema version.") . "</p>";
5294 return;
5295 }
5296
5297 } else {
5298 print "<p>" . __("Could not import: unrecognized document format.") . "</p>";
5299 return;
5300 }
5301
5302 $articles = $xpath->query("//article");
5303
5304 foreach ($articles as $article_node) {
5305 if ($article_node->childNodes) {
5306
5307 $ref_id = 0;
5308
5309 $article = array();
5310
5311 foreach ($article_node->childNodes as $child) {
5312 if ($child->nodeName != 'label_cache')
5313 $article[$child->nodeName] = db_escape_string($child->nodeValue);
5314 else
5315 $article[$child->nodeName] = $child->nodeValue;
5316 }
5317
5318 //print_r($article);
5319
5320 if ($article['guid']) {
5321
5322 ++$num_processed;
5323
5324 //db_query($link, "BEGIN");
5325
5326 //print 'GUID:' . $article['guid'] . "\n";
5327
5328 $result = db_query($link, "SELECT id FROM ttrss_entries
5329 WHERE guid = '".$article['guid']."'");
5330
5331 if (db_num_rows($result) == 0) {
5332
5333 $result = db_query($link,
5334 "INSERT INTO ttrss_entries
5335 (title,
5336 guid,
5337 link,
5338 updated,
5339 content,
5340 content_hash,
5341 no_orig_date,
5342 date_updated,
5343 date_entered,
5344 comments,
5345 num_comments,
5346 author)
5347 VALUES
5348 ('".$article['title']."',
5349 '".$article['guid']."',
5350 '".$article['link']."',
5351 '".$article['updated']."',
5352 '".$article['content']."',
5353 '".sha1($article['content'])."',
5354 false,
5355 NOW(),
5356 NOW(),
5357 '',
5358 '0',
5359 '')");
5360
5361 $result = db_query($link, "SELECT id FROM ttrss_entries
5362 WHERE guid = '".$article['guid']."'");
5363
5364 if (db_num_rows($result) != 0) {
5365 $ref_id = db_fetch_result($result, 0, "id");
5366 }
5367
5368 } else {
5369 $ref_id = db_fetch_result($result, 0, "id");
5370 }
5371
5372 //print "Got ref ID: $ref_id\n";
5373
5374 if ($ref_id) {
5375
5376 $feed_url = $article['feed_url'];
5377 $feed_title = $article['feed_title'];
5378
5379 $feed = 'NULL';
5380
5381 if ($feed_url && $feed_title) {
5382 $result = db_query($link, "SELECT id FROM ttrss_feeds
5383 WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
5384
5385 if (db_num_rows($result) != 0) {
5386 $feed = db_fetch_result($result, 0, "id");
5387 } else {
5388 // try autocreating feed in Uncategorized...
5389
5390 $result = db_query($link, "INSERT INTO ttrss_feeds (owner_uid,
5391 feed_url, title) VALUES ($owner_uid, '$feed_url', '$feed_title')");
5392
5393 $result = db_query($link, "SELECT id FROM ttrss_feeds
5394 WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
5395
5396 if (db_num_rows($result) != 0) {
5397 ++$num_feeds_created;
5398
5399 $feed = db_fetch_result($result, 0, "id");
5400 }
5401 }
5402 }
5403
5404 if ($feed != 'NULL')
5405 $feed_qpart = "feed_id = $feed";
5406 else
5407 $feed_qpart = "feed_id IS NULL";
5408
5409 //print "$ref_id / $feed / " . $article['title'] . "\n";
5410
5411 $result = db_query($link, "SELECT int_id FROM ttrss_user_entries
5412 WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND $feed_qpart");
5413
5414 if (db_num_rows($result) == 0) {
5415
5416 $marked = bool_to_sql_bool(sql_bool_to_bool($article['marked']));
5417 $published = bool_to_sql_bool(sql_bool_to_bool($article['published']));
5418 $score = (int) $article['score'];
5419
5420 $tag_cache = $article['tag_cache'];
5421 $label_cache = db_escape_string($article['label_cache']);
5422 $note = $article['note'];
5423
5424 //print "Importing " . $article['title'] . "<br/>";
5425
5426 ++$num_imported;
5427
5428 $result = db_query($link,
5429 "INSERT INTO ttrss_user_entries
5430 (ref_id, owner_uid, feed_id, unread, last_read, marked,
5431 published, score, tag_cache, label_cache, uuid, note)
5432 VALUES ($ref_id, $owner_uid, $feed, false,
5433 NULL, $marked, $published, $score, '$tag_cache',
5434 '$label_cache', '', '$note')");
5435
5436 $label_cache = json_decode($label_cache, true);
5437
5438 if (is_array($label_cache) && $label_cache["no-labels"] != 1) {
5439 foreach ($label_cache as $label) {
5440
5441 label_create($link, $label[1],
5442 $label[2], $label[3], $owner_uid);
5443
5444 label_add_article($link, $ref_id, $label[1], $owner_uid);
5445
5446 }
5447 }
5448
5449 //db_query($link, "COMMIT");
5450 }
5451 }
5452 }
5453 }
5454 }
5455
5456 print "<p>" .
5457 T_sprintf("Finished: %d articles processed, %d imported, %d feeds created.",
5458 $num_processed, $num_imported, $num_feeds_created) .
5459 "</p>";
5460
5461 } else {
5462
5463 print "<p>" . __("Could not load XML document.") . "</p>";
5464
5465 }
5466 }
5467
5468 function get_random_bytes($length) {
5469 if (function_exists('openssl_random_pseudo_bytes')) {
5470 return openssl_random_pseudo_bytes($length);
5471 } else {
5472 $output = "";
5473
5474 for ($i = 0; $i < $length; $i++)
5475 $output .= chr(mt_rand(0, 255));
5476
5477 return $output;
5478 }
5479 }
5480
5481 function read_stdin() {
5482 $fp = fopen("php://stdin", "r");
5483
5484 if ($fp) {
5485 $line = trim(fgets($fp));
5486 fclose($fp);
5487 return $line;
5488 }
5489
5490 return null;
5491 }
5492 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/