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Merge pull request #22 from plaidfluff/master
[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 25);
3 define('SCHEMA_VERSION', 92);
4
5 date_default_timezone_set('UTC');
6 if (defined('E_DEPRECATED')) {
7 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
8 } else {
9 error_reporting(E_ALL & ~E_NOTICE);
10 }
11
12 require_once 'config.php';
13
14 if (DB_TYPE == "pgsql") {
15 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
16 } else {
17 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
18 }
19
20 define('THEME_VERSION_REQUIRED', 1.1);
21
22 /**
23 * Return available translations names.
24 *
25 * @access public
26 * @return array A array of available translations.
27 */
28 function get_translations() {
29 $tr = array(
30 "auto" => "Detect automatically",
31 "ca_CA" => "Català",
32 "en_US" => "English",
33 "es_ES" => "Español",
34 "de_DE" => "Deutsch",
35 "fr_FR" => "Français",
36 "hu_HU" => "Magyar (Hungarian)",
37 "it_IT" => "Italiano",
38 "ja_JP" => "日本語 (Japanese)",
39 "nb_NO" => "Norwegian bokmål",
40 "ru_RU" => "Русский",
41 "pt_BR" => "Portuguese/Brazil",
42 "zh_CN" => "Simplified Chinese");
43
44 return $tr;
45 }
46
47 require_once "lib/accept-to-gettext.php";
48 require_once "lib/gettext/gettext.inc";
49
50 function startup_gettext() {
51
52 # Get locale from Accept-Language header
53 $lang = al2gt(array_keys(get_translations()), "text/html");
54
55 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
56 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
57 }
58
59 if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
60 $lang = $_COOKIE["ttrss_lang"];
61 }
62
63 /* In login action of mobile version */
64 if ($_POST["language"] && defined('MOBILE_VERSION')) {
65 $lang = $_POST["language"];
66 $_COOKIE["ttrss_lang"] = $lang;
67 }
68
69 if ($lang) {
70 if (defined('LC_MESSAGES')) {
71 _setlocale(LC_MESSAGES, $lang);
72 } else if (defined('LC_ALL')) {
73 _setlocale(LC_ALL, $lang);
74 }
75
76 if (defined('MOBILE_VERSION')) {
77 _bindtextdomain("messages", "../locale");
78 } else {
79 _bindtextdomain("messages", "locale");
80 }
81
82 _textdomain("messages");
83 _bind_textdomain_codeset("messages", "UTF-8");
84 }
85 }
86
87 startup_gettext();
88
89 require_once 'db-prefs.php';
90 require_once 'version.php';
91
92 define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
93
94 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
95 define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
96
97 ini_set('user_agent', SELF_USER_AGENT);
98
99 require_once 'lib/pubsubhubbub/publisher.php';
100
101 $purifier = false;
102
103 $tz_offset = -1;
104 $utc_tz = new DateTimeZone('UTC');
105 $schema_version = false;
106
107 /**
108 * Print a timestamped debug message.
109 *
110 * @param string $msg The debug message.
111 * @return void
112 */
113 function _debug($msg) {
114 $ts = strftime("%H:%M:%S", time());
115 if (function_exists('posix_getpid')) {
116 $ts = "$ts/" . posix_getpid();
117 }
118 print "[$ts] $msg\n";
119 } // function _debug
120
121 /**
122 * Purge a feed old posts.
123 *
124 * @param mixed $link A database connection.
125 * @param mixed $feed_id The id of the purged feed.
126 * @param mixed $purge_interval Olderness of purged posts.
127 * @param boolean $debug Set to True to enable the debug. False by default.
128 * @access public
129 * @return void
130 */
131 function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
132
133 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
134
135 $rows = -1;
136
137 $result = db_query($link,
138 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
139
140 $owner_uid = false;
141
142 if (db_num_rows($result) == 1) {
143 $owner_uid = db_fetch_result($result, 0, "owner_uid");
144 }
145
146 if ($purge_interval == -1 || !$purge_interval) {
147 if ($owner_uid) {
148 ccache_update($link, $feed_id, $owner_uid);
149 }
150 return;
151 }
152
153 if (!$owner_uid) return;
154
155 if (FORCE_ARTICLE_PURGE == 0) {
156 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
157 $owner_uid, false);
158 } else {
159 $purge_unread = true;
160 $purge_interval = FORCE_ARTICLE_PURGE;
161 }
162
163 if (!$purge_unread) $query_limit = " unread = false AND ";
164
165 if (DB_TYPE == "pgsql") {
166 $pg_version = get_pgsql_version($link);
167
168 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
169
170 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
171 ttrss_entries.id = ref_id AND
172 marked = false AND
173 feed_id = '$feed_id' AND
174 $query_limit
175 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
176
177 } else {
178
179 $result = db_query($link, "DELETE FROM ttrss_user_entries
180 USING ttrss_entries
181 WHERE ttrss_entries.id = ref_id AND
182 marked = false AND
183 feed_id = '$feed_id' AND
184 $query_limit
185 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
186 }
187
188 $rows = pg_affected_rows($result);
189
190 } else {
191
192 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
193 marked = false AND feed_id = '$feed_id' AND
194 (SELECT date_updated FROM ttrss_entries WHERE
195 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
196
197 $result = db_query($link, "DELETE FROM ttrss_user_entries
198 USING ttrss_user_entries, ttrss_entries
199 WHERE ttrss_entries.id = ref_id AND
200 marked = false AND
201 feed_id = '$feed_id' AND
202 $query_limit
203 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
204
205 $rows = mysql_affected_rows($link);
206
207 }
208
209 ccache_update($link, $feed_id, $owner_uid);
210
211 if ($debug) {
212 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
213 }
214 } // function purge_feed
215
216 function feed_purge_interval($link, $feed_id) {
217
218 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
219 WHERE id = '$feed_id'");
220
221 if (db_num_rows($result) == 1) {
222 $purge_interval = db_fetch_result($result, 0, "purge_interval");
223 $owner_uid = db_fetch_result($result, 0, "owner_uid");
224
225 if ($purge_interval == 0) $purge_interval = get_pref($link,
226 'PURGE_OLD_DAYS', $owner_uid);
227
228 return $purge_interval;
229
230 } else {
231 return -1;
232 }
233 }
234
235 function purge_orphans($link, $do_output = false) {
236
237 // purge orphaned posts in main content table
238 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
239 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
240
241 if ($do_output) {
242 $rows = db_affected_rows($link, $result);
243 _debug("Purged $rows orphaned posts.");
244 }
245 }
246
247 function get_feed_update_interval($link, $feed_id) {
248 $result = db_query($link, "SELECT owner_uid, update_interval FROM
249 ttrss_feeds WHERE id = '$feed_id'");
250
251 if (db_num_rows($result) == 1) {
252 $update_interval = db_fetch_result($result, 0, "update_interval");
253 $owner_uid = db_fetch_result($result, 0, "owner_uid");
254
255 if ($update_interval != 0) {
256 return $update_interval;
257 } else {
258 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
259 }
260
261 } else {
262 return -1;
263 }
264 }
265
266 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
267 $login = urlencode($login);
268 $pass = urlencode($pass);
269
270 if (function_exists('curl_init') && !ini_get("open_basedir")) {
271 $ch = curl_init($url);
272
273 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
274 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
275 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
276 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
277 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
278 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
279 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
280 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
281 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
282 curl_setopt($ch, CURLOPT_ENCODING , "gzip");
283
284 if ($post_query) {
285 curl_setopt($ch, CURLOPT_POST, true);
286 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
287 }
288
289 if ($login && $pass)
290 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
291
292 $contents = @curl_exec($ch);
293
294 if ($contents === false) {
295 curl_close($ch);
296 return false;
297 }
298
299 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
300 $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
301 curl_close($ch);
302
303 if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
304 return false;
305 }
306
307 return $contents;
308 } else {
309 if ($login && $pass ){
310 $url_parts = array();
311
312 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
313
314 if ($url_parts[1] && $url_parts[2]) {
315 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
316 }
317 }
318
319 return @file_get_contents($url);
320 }
321
322 }
323
324 /**
325 * Try to determine the favicon URL for a feed.
326 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
327 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
328 *
329 * @param string $url A feed or page URL
330 * @access public
331 * @return mixed The favicon URL, or false if none was found.
332 */
333 function get_favicon_url($url) {
334
335 $favicon_url = false;
336
337 if ($html = @fetch_file_contents($url)) {
338
339 libxml_use_internal_errors(true);
340
341 $doc = new DOMDocument();
342 $doc->loadHTML($html);
343 $xpath = new DOMXPath($doc);
344
345 $base = $xpath->query('/html/head/base');
346 foreach ($base as $b) {
347 $url = $b->getAttribute("href");
348 break;
349 }
350
351 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
352 if (count($entries) > 0) {
353 foreach ($entries as $entry) {
354 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
355 break;
356 }
357 }
358 }
359
360 if (!$favicon_url)
361 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
362
363 return $favicon_url;
364 } // function get_favicon_url
365
366 function check_feed_favicon($site_url, $feed, $link) {
367 # print "FAVICON [$site_url]: $favicon_url\n";
368
369 $icon_file = ICONS_DIR . "/$feed.ico";
370
371 if (!file_exists($icon_file)) {
372 $favicon_url = get_favicon_url($site_url);
373
374 if ($favicon_url) {
375 // Limiting to "image" type misses those served with text/plain
376 $contents = fetch_file_contents($favicon_url); // , "image");
377
378 if ($contents) {
379 // Crude image type matching.
380 // Patterns gleaned from the file(1) source code.
381 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
382 // 0 string \000\000\001\000 MS Windows icon resource
383 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
384 }
385 elseif (preg_match('/^GIF8/', $contents)) {
386 // 0 string GIF8 GIF image data
387 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
388 }
389 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
390 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
391 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
392 }
393 elseif (preg_match('/^\xff\xd8/', $contents)) {
394 // 0 beshort 0xffd8 JPEG image data
395 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
396 }
397 else {
398 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
399 $contents = "";
400 }
401 }
402
403 if ($contents) {
404 $fp = @fopen($icon_file, "w");
405
406 if ($fp) {
407 fwrite($fp, $contents);
408 fclose($fp);
409 chmod($icon_file, 0644);
410 }
411 }
412 }
413 }
414 }
415
416 function print_select($id, $default, $values, $attributes = "") {
417 print "<select name=\"$id\" id=\"$id\" $attributes>";
418 foreach ($values as $v) {
419 if ($v == $default)
420 $sel = "selected=\"1\"";
421 else
422 $sel = "";
423
424 print "<option value=\"$v\" $sel>$v</option>";
425 }
426 print "</select>";
427 }
428
429 function print_select_hash($id, $default, $values, $attributes = "") {
430 print "<select name=\"$id\" id='$id' $attributes>";
431 foreach (array_keys($values) as $v) {
432 if ($v == $default)
433 $sel = 'selected="selected"';
434 else
435 $sel = "";
436
437 print "<option $sel value=\"$v\">".$values[$v]."</option>";
438 }
439
440 print "</select>";
441 }
442
443 function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
444 $matches = array();
445
446 if ($filters["title"]) {
447 foreach ($filters["title"] as $filter) {
448 $reg_exp = $filter["reg_exp"];
449 $inverse = $filter["inverse"];
450 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
451 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
452
453 array_push($matches, array($filter["action"], $filter["action_param"]));
454 }
455 }
456 }
457
458 if ($filters["content"]) {
459 foreach ($filters["content"] as $filter) {
460 $reg_exp = $filter["reg_exp"];
461 $inverse = $filter["inverse"];
462
463 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
464 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
465
466 array_push($matches, array($filter["action"], $filter["action_param"]));
467 }
468 }
469 }
470
471 if ($filters["both"]) {
472 foreach ($filters["both"] as $filter) {
473 $reg_exp = $filter["reg_exp"];
474 $inverse = $filter["inverse"];
475
476 if ($inverse) {
477 if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
478 array_push($matches, array($filter["action"], $filter["action_param"]));
479 }
480 } else {
481 if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
482 array_push($matches, array($filter["action"], $filter["action_param"]));
483 }
484 }
485 }
486 }
487
488 if ($filters["link"]) {
489 $reg_exp = $filter["reg_exp"];
490 foreach ($filters["link"] as $filter) {
491 $reg_exp = $filter["reg_exp"];
492 $inverse = $filter["inverse"];
493
494 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
495 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
496
497 array_push($matches, array($filter["action"], $filter["action_param"]));
498 }
499 }
500 }
501
502 if ($filters["date"]) {
503 $reg_exp = $filter["reg_exp"];
504 foreach ($filters["date"] as $filter) {
505 $date_modifier = $filter["filter_param"];
506 $inverse = $filter["inverse"];
507 $check_timestamp = strtotime($filter["reg_exp"]);
508
509 # no-op when timestamp doesn't parse to prevent misfires
510
511 if ($check_timestamp) {
512 $match_ok = false;
513
514 if ($date_modifier == "before" && $timestamp < $check_timestamp ||
515 $date_modifier == "after" && $timestamp > $check_timestamp) {
516 $match_ok = true;
517 }
518
519 if ($inverse) $match_ok = !$match_ok;
520
521 if ($match_ok) {
522 array_push($matches, array($filter["action"], $filter["action_param"]));
523 }
524 }
525 }
526 }
527
528 if ($filters["author"]) {
529 foreach ($filters["author"] as $filter) {
530 $reg_exp = $filter["reg_exp"];
531 $inverse = $filter["inverse"];
532 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
533 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
534
535 array_push($matches, array($filter["action"], $filter["action_param"]));
536 }
537 }
538 }
539
540 if ($filters["tag"]) {
541
542 $tag_string = join(",", $tags);
543
544 foreach ($filters["tag"] as $filter) {
545 $reg_exp = $filter["reg_exp"];
546 $inverse = $filter["inverse"];
547
548 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
549 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
550
551 array_push($matches, array($filter["action"], $filter["action_param"]));
552 }
553 }
554 }
555
556
557 return $matches;
558 }
559
560 function find_article_filter($filters, $filter_name) {
561 foreach ($filters as $f) {
562 if ($f[0] == $filter_name) {
563 return $f;
564 };
565 }
566 return false;
567 }
568
569 function calculate_article_score($filters) {
570 $score = 0;
571
572 foreach ($filters as $f) {
573 if ($f[0] == "score") {
574 $score += $f[1];
575 };
576 }
577 return $score;
578 }
579
580 function assign_article_to_labels($link, $id, $filters, $owner_uid) {
581 foreach ($filters as $f) {
582 if ($f[0] == "label") {
583 label_add_article($link, $id, $f[1], $owner_uid);
584 };
585 }
586 }
587
588 function getmicrotime() {
589 list($usec, $sec) = explode(" ",microtime());
590 return ((float)$usec + (float)$sec);
591 }
592
593 function print_radio($id, $default, $true_is, $values, $attributes = "") {
594 foreach ($values as $v) {
595
596 if ($v == $default)
597 $sel = "checked";
598 else
599 $sel = "";
600
601 if ($v == $true_is) {
602 $sel .= " value=\"1\"";
603 } else {
604 $sel .= " value=\"0\"";
605 }
606
607 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
608 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
609
610 }
611 }
612
613 function initialize_user_prefs($link, $uid, $profile = false) {
614
615 $uid = db_escape_string($uid);
616
617 if (!$profile) {
618 $profile = "NULL";
619 $profile_qpart = "AND profile IS NULL";
620 } else {
621 $profile_qpart = "AND profile = '$profile'";
622 }
623
624 if (get_schema_version($link) < 63) $profile_qpart = "";
625
626 db_query($link, "BEGIN");
627
628 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
629
630 $u_result = db_query($link, "SELECT pref_name
631 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
632
633 $active_prefs = array();
634
635 while ($line = db_fetch_assoc($u_result)) {
636 array_push($active_prefs, $line["pref_name"]);
637 }
638
639 while ($line = db_fetch_assoc($result)) {
640 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
641 // print "adding " . $line["pref_name"] . "<br>";
642
643 if (get_schema_version($link) < 63) {
644 db_query($link, "INSERT INTO ttrss_user_prefs
645 (owner_uid,pref_name,value) VALUES
646 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
647
648 } else {
649 db_query($link, "INSERT INTO ttrss_user_prefs
650 (owner_uid,pref_name,value, profile) VALUES
651 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
652 }
653
654 }
655 }
656
657 db_query($link, "COMMIT");
658
659 }
660
661 function get_ssl_certificate_id() {
662 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
663 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
664 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
665 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
666 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
667 }
668 return "";
669 }
670
671 function get_login_by_ssl_certificate($link) {
672
673 $cert_serial = db_escape_string(get_ssl_certificate_id());
674
675 if ($cert_serial) {
676 $result = db_query($link, "SELECT login FROM ttrss_user_prefs, ttrss_users
677 WHERE pref_name = 'SSL_CERT_SERIAL' AND value = '$cert_serial' AND
678 owner_uid = ttrss_users.id");
679
680 if (db_num_rows($result) != 0) {
681 return db_escape_string(db_fetch_result($result, 0, "login"));
682 }
683 }
684
685 return "";
686 }
687
688 function get_remote_user($link) {
689
690 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH) {
691 return db_escape_string($_SERVER["REMOTE_USER"]);
692 }
693
694 return db_escape_string(get_login_by_ssl_certificate($link));
695 }
696
697 function get_remote_fakepass($link) {
698 if (get_remote_user($link))
699 return "******";
700 else
701 return "";
702 }
703
704 function authenticate_user($link, $login, $password, $force_auth = false) {
705
706 if (!SINGLE_USER_MODE) {
707
708 $pwd_hash1 = encrypt_password($password);
709 $pwd_hash2 = encrypt_password($password, $login);
710 $login = db_escape_string($login);
711
712 $remote_user = get_remote_user($link);
713
714 if ($remote_user && $remote_user == $login && $login != "admin") {
715
716 $login = $remote_user;
717
718 $query = "SELECT id,login,access_level,pwd_hash
719 FROM ttrss_users WHERE
720 login = '$login'";
721
722 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER
723 && $_SERVER["REMOTE_USER"]) {
724 $result = db_query($link, $query);
725
726 // First login ?
727 if (db_num_rows($result) == 0) {
728 $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
729 $pwd_hash = encrypt_password($password, $salt, true);
730
731 $query2 = "INSERT INTO ttrss_users
732 (login,access_level,last_login,created,pwd_hash,salt)
733 VALUES ('$login', 0, null, NOW(), '$pwd_hash','$salt')";
734 db_query($link, $query2);
735 }
736 }
737
738 } else if (get_schema_version($link) > 87) {
739 $result = db_query($link, "SELECT salt FROM ttrss_users WHERE
740 login = '$login'");
741
742 if (db_num_rows($result) != 1) {
743 return false;
744 }
745
746 $salt = db_fetch_result($result, 0, "salt");
747
748 if ($salt == "") {
749
750 $query = "SELECT id,login,access_level,pwd_hash
751 FROM ttrss_users WHERE
752 login = '$login' AND (pwd_hash = '$pwd_hash1' OR
753 pwd_hash = '$pwd_hash2')";
754
755 // verify and upgrade password to new salt base
756
757 $result = db_query($link, $query);
758
759 if (db_num_rows($result) == 1) {
760 // upgrade password to MODE2
761
762 $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
763 $pwd_hash = encrypt_password($password, $salt, true);
764
765 db_query($link, "UPDATE ttrss_users SET
766 pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
767
768 $query = "SELECT id,login,access_level,pwd_hash
769 FROM ttrss_users WHERE
770 login = '$login' AND pwd_hash = '$pwd_hash'";
771
772 } else {
773 return false;
774 }
775
776 } else {
777
778 $pwd_hash = encrypt_password($password, $salt, true);
779
780 $query = "SELECT id,login,access_level,pwd_hash
781 FROM ttrss_users WHERE
782 login = '$login' AND pwd_hash = '$pwd_hash'";
783
784 }
785 } else {
786 $query = "SELECT id,login,access_level,pwd_hash
787 FROM ttrss_users WHERE
788 login = '$login' AND (pwd_hash = '$pwd_hash1' OR
789 pwd_hash = '$pwd_hash2')";
790 }
791
792 $result = db_query($link, $query);
793
794 if (db_num_rows($result) == 1) {
795 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
796 $_SESSION["name"] = db_fetch_result($result, 0, "login");
797 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
798 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
799
800 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
801 $_SESSION["uid"]);
802
803
804 // LemonLDAP can send user informations via HTTP HEADER
805 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER){
806 // update user name
807 $fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
808 if ($fullname){
809 $fullname = db_escape_string($fullname);
810 db_query($link, "UPDATE ttrss_users SET full_name = '$fullname' WHERE id = " .
811 $_SESSION["uid"]);
812 }
813 // update user mail
814 $email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
815 if ($email){
816 $email = db_escape_string($email);
817 db_query($link, "UPDATE ttrss_users SET email = '$email' WHERE id = " .
818 $_SESSION["uid"]);
819 }
820 }
821
822 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
823 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
824
825 $_SESSION["last_version_check"] = time();
826
827 initialize_user_prefs($link, $_SESSION["uid"]);
828
829 return true;
830 }
831
832 return false;
833
834 } else {
835
836 $_SESSION["uid"] = 1;
837 $_SESSION["name"] = "admin";
838 $_SESSION["access_level"] = 10;
839
840 if (!$_SESSION["csrf_token"]) {
841 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
842 }
843
844 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
845
846 initialize_user_prefs($link, $_SESSION["uid"]);
847
848 return true;
849 }
850 }
851
852 function make_password($length = 8) {
853
854 $password = "";
855 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
856
857 $i = 0;
858
859 while ($i < $length) {
860 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
861
862 if (!strstr($password, $char)) {
863 $password .= $char;
864 $i++;
865 }
866 }
867 return $password;
868 }
869
870 // this is called after user is created to initialize default feeds, labels
871 // or whatever else
872
873 // user preferences are checked on every login, not here
874
875 function initialize_user($link, $uid) {
876
877 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
878 values ('$uid', 'Tiny Tiny RSS: New Releases',
879 'http://tt-rss.org/releases.rss')");
880
881 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
882 values ('$uid', 'Tiny Tiny RSS: Forum',
883 'http://tt-rss.org/forum/rss.php')");
884 }
885
886 function logout_user() {
887 session_destroy();
888 if (isset($_COOKIE[session_name()])) {
889 setcookie(session_name(), '', time()-42000, '/');
890 }
891 }
892
893 function validate_csrf($csrf_token) {
894 return $csrf_token == $_SESSION['csrf_token'];
895 }
896
897 function validate_session($link) {
898 if (SINGLE_USER_MODE) return true;
899
900 $check_ip = $_SESSION['ip_address'];
901
902 switch (SESSION_CHECK_ADDRESS) {
903 case 0:
904 $check_ip = '';
905 break;
906 case 1:
907 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
908 break;
909 case 2:
910 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
911 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
912 break;
913 };
914
915 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
916 $_SESSION["login_error_msg"] =
917 __("Session failed to validate (incorrect IP)");
918 return false;
919 }
920
921 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
922 return false;
923
924 if ($_SESSION["uid"]) {
925
926 $result = db_query($link,
927 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
928
929 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
930
931 if ($pwd_hash != $_SESSION["pwd_hash"]) {
932 return false;
933 }
934 }
935
936 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
937
938 //print_r($_SESSION);
939
940 if (time() > $_SESSION["cookie_lifetime"]) {
941 return false;
942 }
943 } */
944
945 return true;
946 }
947
948 function login_sequence($link, $mobile = false) {
949 $_SESSION["prefs_cache"] = array();
950
951 if (!SINGLE_USER_MODE) {
952
953 $login_action = $_POST["login_action"];
954
955 # try to authenticate user if called from login form
956 if ($login_action == "do_login") {
957 $login = db_escape_string($_POST["login"]);
958 $password = $_POST["password"];
959 $remember_me = $_POST["remember_me"];
960
961 if (authenticate_user($link, $login, $password)) {
962 $_POST["password"] = "";
963
964 $_SESSION["language"] = $_POST["language"];
965 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
966 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
967
968 if ($_POST["profile"]) {
969
970 $profile = db_escape_string($_POST["profile"]);
971
972 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
973 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
974
975 if (db_num_rows($result) != 0) {
976 $_SESSION["profile"] = $profile;
977 $_SESSION["prefs_cache"] = array();
978 }
979 }
980
981 if ($_REQUEST['return']) {
982 header("Location: " . $_REQUEST['return']);
983 } else {
984 header("Location: " . $_SERVER["REQUEST_URI"]);
985 }
986
987 exit;
988
989 return;
990 } else {
991 $_SESSION["login_error_msg"] = __("Incorrect username or password");
992 }
993 }
994
995 if (!$_SESSION["uid"] || !validate_session($link)) {
996
997 if (get_remote_user($link) && AUTO_LOGIN) {
998 authenticate_user($link, get_remote_user($link), null);
999 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1000 } else {
1001 render_login_form($link, $mobile);
1002 //header("Location: login.php");
1003 exit;
1004 }
1005 } else {
1006 /* bump login timestamp */
1007 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1008 $_SESSION["uid"]);
1009
1010 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1011 setcookie("ttrss_lang", $_SESSION["language"],
1012 time() + SESSION_COOKIE_LIFETIME);
1013 }
1014
1015 // try to remove possible duplicates from feed counter cache
1016 // ccache_cleanup($link, $_SESSION["uid"]);
1017 }
1018
1019 } else {
1020 return authenticate_user($link, "admin", null);
1021 }
1022 }
1023
1024 function truncate_string($str, $max_len, $suffix = '&hellip;') {
1025 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1026 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
1027 } else {
1028 return $str;
1029 }
1030 }
1031
1032 function theme_image($link, $filename) {
1033 if ($link) {
1034 $theme_path = get_user_theme_path($link);
1035
1036 if ($theme_path && is_file($theme_path.$filename)) {
1037 return $theme_path.$filename;
1038 } else {
1039 return $filename;
1040 }
1041 } else {
1042 return $filename;
1043 }
1044 }
1045
1046 function get_user_theme($link) {
1047
1048 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
1049 $theme_name = get_pref($link, "_THEME_ID");
1050 if (is_dir("themes/$theme_name")) {
1051 return $theme_name;
1052 } else {
1053 return '';
1054 }
1055 } else {
1056 return '';
1057 }
1058
1059 }
1060
1061 function get_user_theme_path($link) {
1062 $theme_path = '';
1063
1064 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
1065 $theme_name = get_pref($link, "_THEME_ID");
1066
1067 if ($theme_name && is_dir("themes/$theme_name")) {
1068 $theme_path = "themes/$theme_name/";
1069 } else {
1070 $theme_name = '';
1071 }
1072 } else {
1073 $theme_path = '';
1074 }
1075
1076 if ($theme_path) {
1077 if (is_file("$theme_path/theme.ini")) {
1078 $ini = parse_ini_file("$theme_path/theme.ini", true);
1079 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
1080 return $theme_path;
1081 }
1082 }
1083 }
1084 return '';
1085 }
1086
1087 function get_user_theme_options($link) {
1088 $t = get_user_theme_path($link);
1089
1090 if ($t) {
1091 if (is_file("$t/theme.ini")) {
1092 $ini = parse_ini_file("$t/theme.ini", true);
1093 if ($ini['theme']['version']) {
1094 return $ini['theme']['options'];
1095 }
1096 }
1097 }
1098 return '';
1099 }
1100
1101 function print_theme_includes($link) {
1102
1103 $t = get_user_theme_path($link);
1104 $time = time();
1105
1106 if ($t) {
1107 print "<link rel=\"stylesheet\" type=\"text/css\"
1108 href=\"$t/theme.css?$time \">";
1109 if (file_exists("$t/theme.js")) {
1110 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
1111 </script>";
1112 }
1113 }
1114 }
1115
1116 function get_all_themes() {
1117 $themes = glob("themes/*");
1118
1119 asort($themes);
1120
1121 $rv = array();
1122
1123 foreach ($themes as $t) {
1124 if (is_file("$t/theme.ini")) {
1125 $ini = parse_ini_file("$t/theme.ini", true);
1126 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
1127 !$ini['theme']['disabled']) {
1128 $entry = array();
1129 $entry["path"] = $t;
1130 $entry["base"] = basename($t);
1131 $entry["name"] = $ini['theme']['name'];
1132 $entry["version"] = $ini['theme']['version'];
1133 $entry["author"] = $ini['theme']['author'];
1134 $entry["options"] = $ini['theme']['options'];
1135 array_push($rv, $entry);
1136 }
1137 }
1138 }
1139
1140 return $rv;
1141 }
1142
1143 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
1144
1145 try {
1146 $source_tz = new DateTimeZone($source_tz);
1147 } catch (Exception $e) {
1148 $source_tz = new DateTimeZone('UTC');
1149 }
1150
1151 try {
1152 $dest_tz = new DateTimeZone($dest_tz);
1153 } catch (Exception $e) {
1154 $dest_tz = new DateTimeZone('UTC');
1155 }
1156
1157 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
1158 return $dt->format('U') + $dest_tz->getOffset($dt);
1159 }
1160
1161 function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
1162 $no_smart_dt = false) {
1163
1164 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1165 if (!$timestamp) $timestamp = '1970-01-01 0:00';
1166
1167 global $utc_tz;
1168 global $tz_offset;
1169
1170 # We store date in UTC internally
1171 $dt = new DateTime($timestamp, $utc_tz);
1172
1173 if ($tz_offset == -1) {
1174
1175 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
1176
1177 try {
1178 $user_tz = new DateTimeZone($user_tz_string);
1179 } catch (Exception $e) {
1180 $user_tz = $utc_tz;
1181 }
1182
1183 $tz_offset = $user_tz->getOffset($dt);
1184 }
1185
1186 $user_timestamp = $dt->format('U') + $tz_offset;
1187
1188 if (!$no_smart_dt) {
1189 return smart_date_time($link, $user_timestamp,
1190 $tz_offset, $owner_uid);
1191 } else {
1192 if ($long)
1193 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1194 else
1195 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1196
1197 return date($format, $user_timestamp);
1198 }
1199 }
1200
1201 function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
1202 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1203
1204 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
1205 return date("G:i", $timestamp);
1206 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
1207 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
1208 return date($format, $timestamp);
1209 } else {
1210 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
1211 return date($format, $timestamp);
1212 }
1213 }
1214
1215 function sql_bool_to_bool($s) {
1216 if ($s == "t" || $s == "1" || $s == "true") {
1217 return true;
1218 } else {
1219 return false;
1220 }
1221 }
1222
1223 function bool_to_sql_bool($s) {
1224 if ($s) {
1225 return "true";
1226 } else {
1227 return "false";
1228 }
1229 }
1230
1231 // Session caching removed due to causing wrong redirects to upgrade
1232 // script when get_schema_version() is called on an obsolete session
1233 // created on a previous schema version.
1234 function get_schema_version($link, $nocache = false) {
1235 global $schema_version;
1236
1237 if (!$schema_version) {
1238 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1239 $version = db_fetch_result($result, 0, "schema_version");
1240 $schema_version = $version;
1241 return $version;
1242 } else {
1243 return $schema_version;
1244 }
1245 }
1246
1247 function sanity_check($link) {
1248 require_once 'errors.php';
1249
1250 $error_code = 0;
1251 $schema_version = get_schema_version($link, true);
1252
1253 if ($schema_version != SCHEMA_VERSION) {
1254 $error_code = 5;
1255 }
1256
1257 if (DB_TYPE == "mysql") {
1258 $result = db_query($link, "SELECT true", false);
1259 if (db_num_rows($result) != 1) {
1260 $error_code = 10;
1261 }
1262 }
1263
1264 if (db_escape_string("testTEST") != "testTEST") {
1265 $error_code = 12;
1266 }
1267
1268 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1269 }
1270
1271 function file_is_locked($filename) {
1272 if (function_exists('flock')) {
1273 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1274 if ($fp) {
1275 if (flock($fp, LOCK_EX | LOCK_NB)) {
1276 flock($fp, LOCK_UN);
1277 fclose($fp);
1278 return false;
1279 }
1280 fclose($fp);
1281 return true;
1282 } else {
1283 return false;
1284 }
1285 }
1286 return true; // consider the file always locked and skip the test
1287 }
1288
1289 function make_lockfile($filename) {
1290 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1291
1292 if (flock($fp, LOCK_EX | LOCK_NB)) {
1293 if (function_exists('posix_getpid')) {
1294 fwrite($fp, posix_getpid() . "\n");
1295 }
1296 return $fp;
1297 } else {
1298 return false;
1299 }
1300 }
1301
1302 function make_stampfile($filename) {
1303 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1304
1305 if (flock($fp, LOCK_EX | LOCK_NB)) {
1306 fwrite($fp, time() . "\n");
1307 flock($fp, LOCK_UN);
1308 fclose($fp);
1309 return true;
1310 } else {
1311 return false;
1312 }
1313 }
1314
1315 function sql_random_function() {
1316 if (DB_TYPE == "mysql") {
1317 return "RAND()";
1318 } else {
1319 return "RANDOM()";
1320 }
1321 }
1322
1323 function catchup_feed($link, $feed, $cat_view, $owner_uid = false, $max_id = false) {
1324
1325 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1326
1327 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1328
1329 $ref_check_qpart = ($max_id &&
1330 !get_pref($link, 'REVERSE_HEADLINES')) ? "ref_id <= '$max_id'" : "true";
1331
1332 if (is_numeric($feed)) {
1333 if ($cat_view) {
1334
1335 if ($feed >= 0) {
1336
1337 if ($feed > 0) {
1338 $cat_qpart = "cat_id = '$feed'";
1339 } else {
1340 $cat_qpart = "cat_id IS NULL";
1341 }
1342
1343 $tmp_result = db_query($link, "SELECT id
1344 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
1345
1346 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1347
1348 $tmp_feed = $tmp_line["id"];
1349
1350 db_query($link, "UPDATE ttrss_user_entries
1351 SET unread = false,last_read = NOW()
1352 WHERE feed_id = '$tmp_feed'
1353 AND $ref_check_qpart
1354 AND owner_uid = $owner_uid");
1355 }
1356 } else if ($feed == -2) {
1357
1358 db_query($link, "UPDATE ttrss_user_entries
1359 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1360 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1361 AND $ref_check_qpart
1362 AND unread = true AND owner_uid = $owner_uid");
1363 }
1364
1365 } else if ($feed > 0) {
1366
1367 db_query($link, "UPDATE ttrss_user_entries
1368 SET unread = false,last_read = NOW()
1369 WHERE feed_id = '$feed'
1370 AND $ref_check_qpart
1371 AND owner_uid = $owner_uid");
1372
1373 } else if ($feed < 0 && $feed > -10) { // special, like starred
1374
1375 if ($feed == -1) {
1376 db_query($link, "UPDATE ttrss_user_entries
1377 SET unread = false,last_read = NOW()
1378 WHERE marked = true
1379 AND $ref_check_qpart
1380 AND owner_uid = $owner_uid");
1381 }
1382
1383 if ($feed == -2) {
1384 db_query($link, "UPDATE ttrss_user_entries
1385 SET unread = false,last_read = NOW()
1386 WHERE published = true
1387 AND $ref_check_qpart
1388 AND owner_uid = $owner_uid");
1389 }
1390
1391 if ($feed == -3) {
1392
1393 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1394
1395 if (DB_TYPE == "pgsql") {
1396 $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
1397 } else {
1398 $match_part = "updated > DATE_SUB(NOW(),
1399 INTERVAL $intl HOUR) ";
1400 }
1401
1402 $result = db_query($link, "SELECT id FROM ttrss_entries,
1403 ttrss_user_entries WHERE $match_part AND
1404 unread = true AND
1405 ttrss_user_entries.ref_id = ttrss_entries.id AND
1406 owner_uid = $owner_uid");
1407
1408 $affected_ids = array();
1409
1410 while ($line = db_fetch_assoc($result)) {
1411 array_push($affected_ids, $line["id"]);
1412 }
1413
1414 catchupArticlesById($link, $affected_ids, 0);
1415 }
1416
1417 if ($feed == -4) {
1418 db_query($link, "UPDATE ttrss_user_entries
1419 SET unread = false,last_read = NOW()
1420 WHERE $ref_check_qpart AND owner_uid = $owner_uid");
1421 }
1422
1423 } else if ($feed < -10) { // label
1424
1425 $label_id = -$feed - 11;
1426
1427 db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
1428 SET unread = false, last_read = NOW()
1429 WHERE label_id = '$label_id' AND unread = true
1430 AND $ref_check_qpart
1431 AND owner_uid = '$owner_uid' AND ref_id = article_id");
1432
1433 }
1434
1435 ccache_update($link, $feed, $owner_uid, $cat_view);
1436
1437 } else { // tag
1438 db_query($link, "BEGIN");
1439
1440 $tag_name = db_escape_string($feed);
1441
1442 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1443 WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
1444
1445 while ($line = db_fetch_assoc($result)) {
1446 db_query($link, "UPDATE ttrss_user_entries SET
1447 unread = false, last_read = NOW()
1448 WHERE $ref_check_qpart AND int_id = " . $line["post_int_id"]);
1449 }
1450 db_query($link, "COMMIT");
1451 }
1452 }
1453
1454 function getAllCounters($link, $omode = "flc", $active_feed = false) {
1455
1456 if (!$omode) $omode = "flc";
1457
1458 $data = getGlobalCounters($link);
1459
1460 $data = array_merge($data, getVirtCounters($link));
1461
1462 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
1463 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
1464 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
1465 if (strchr($omode, "c")) $data = array_merge($data, getCategoryCounters($link));
1466
1467 return $data;
1468 }
1469
1470 function getCategoryTitle($link, $cat_id) {
1471
1472 if ($cat_id == -1) {
1473 return __("Special");
1474 } else if ($cat_id == -2) {
1475 return __("Labels");
1476 } else {
1477
1478 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
1479 id = '$cat_id'");
1480
1481 if (db_num_rows($result) == 1) {
1482 return db_fetch_result($result, 0, "title");
1483 } else {
1484 return "Uncategorized";
1485 }
1486 }
1487 }
1488
1489
1490 function getCategoryCounters($link) {
1491 $ret_arr = array();
1492
1493 /* Labels category */
1494
1495 $cv = array("id" => -2, "kind" => "cat",
1496 "counter" => getCategoryUnread($link, -2));
1497
1498 array_push($ret_arr, $cv);
1499
1500 $result = db_query($link, "SELECT id AS cat_id, value AS unread
1501 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1502 WHERE ttrss_cat_counters_cache.feed_id = id AND
1503 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1504
1505 while ($line = db_fetch_assoc($result)) {
1506 $line["cat_id"] = (int) $line["cat_id"];
1507
1508 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1509 "counter" => $line["unread"]);
1510
1511 array_push($ret_arr, $cv);
1512 }
1513
1514 /* Special case: NULL category doesn't actually exist in the DB */
1515
1516 $cv = array("id" => 0, "kind" => "cat",
1517 "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
1518
1519 array_push($ret_arr, $cv);
1520
1521 return $ret_arr;
1522 }
1523
1524 function getCategoryUnread($link, $cat, $owner_uid = false) {
1525
1526 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1527
1528 if ($cat >= 0) {
1529
1530 if ($cat != 0) {
1531 $cat_query = "cat_id = '$cat'";
1532 } else {
1533 $cat_query = "cat_id IS NULL";
1534 }
1535
1536 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1537 AND owner_uid = " . $owner_uid);
1538
1539 $cat_feeds = array();
1540 while ($line = db_fetch_assoc($result)) {
1541 array_push($cat_feeds, "feed_id = " . $line["id"]);
1542 }
1543
1544 if (count($cat_feeds) == 0) return 0;
1545
1546 $match_part = implode(" OR ", $cat_feeds);
1547
1548 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1549 FROM ttrss_user_entries
1550 WHERE unread = true AND ($match_part)
1551 AND owner_uid = " . $owner_uid);
1552
1553 $unread = 0;
1554
1555 # this needs to be rewritten
1556 while ($line = db_fetch_assoc($result)) {
1557 $unread += $line["unread"];
1558 }
1559
1560 return $unread;
1561 } else if ($cat == -1) {
1562 return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1563 } else if ($cat == -2) {
1564
1565 $result = db_query($link, "
1566 SELECT COUNT(unread) AS unread FROM
1567 ttrss_user_entries, ttrss_user_labels2
1568 WHERE article_id = ref_id AND unread = true
1569 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1570
1571 $unread = db_fetch_result($result, 0, "unread");
1572
1573 return $unread;
1574
1575 }
1576 }
1577
1578 function getFeedUnread($link, $feed, $is_cat = false) {
1579 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
1580 }
1581
1582 function getLabelUnread($link, $label_id, $owner_uid = false) {
1583 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1584
1585 $result = db_query($link, "SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1586 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1587
1588 if (db_num_rows($result) != 0) {
1589 return db_fetch_result($result, 0, "unread");
1590 } else {
1591 return 0;
1592 }
1593 }
1594
1595 function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
1596 $owner_uid = false) {
1597
1598 $n_feed = (int) $feed;
1599 $need_entries = false;
1600
1601 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1602
1603 if ($unread_only) {
1604 $unread_qpart = "unread = true";
1605 } else {
1606 $unread_qpart = "true";
1607 }
1608
1609 if ($is_cat) {
1610 return getCategoryUnread($link, $n_feed, $owner_uid);
1611 } if ($feed != "0" && $n_feed == 0) {
1612
1613 $feed = db_escape_string($feed);
1614
1615 $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
1616 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1617 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1618 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1619 return db_fetch_result($result, 0, "count");
1620
1621 } else if ($n_feed == -1) {
1622 $match_part = "marked = true";
1623 } else if ($n_feed == -2) {
1624 $match_part = "published = true";
1625 } else if ($n_feed == -3) {
1626 $match_part = "unread = true AND score >= 0";
1627
1628 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
1629
1630 if (DB_TYPE == "pgsql") {
1631 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1632 } else {
1633 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1634 }
1635
1636 $need_entries = true;
1637
1638 } else if ($n_feed == -4) {
1639 $match_part = "true";
1640 } else if ($n_feed >= 0) {
1641
1642 if ($n_feed != 0) {
1643 $match_part = "feed_id = '$n_feed'";
1644 } else {
1645 $match_part = "feed_id IS NULL";
1646 }
1647
1648 } else if ($feed < -10) {
1649
1650 $label_id = -$feed - 11;
1651
1652 return getLabelUnread($link, $label_id, $owner_uid);
1653
1654 }
1655
1656 if ($match_part) {
1657
1658 if ($need_entries) {
1659 $from_qpart = "ttrss_user_entries,ttrss_entries";
1660 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1661 } else {
1662 $from_qpart = "ttrss_user_entries";
1663 }
1664
1665 $query = "SELECT count(int_id) AS unread
1666 FROM $from_qpart WHERE
1667 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1668
1669 //echo "[$feed/$query]\n";
1670
1671 $result = db_query($link, $query);
1672
1673 } else {
1674
1675 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1676 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1677 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1678 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1679 }
1680
1681 $unread = db_fetch_result($result, 0, "unread");
1682
1683 return $unread;
1684 }
1685
1686 function getGlobalUnread($link, $user_id = false) {
1687
1688 if (!$user_id) {
1689 $user_id = $_SESSION["uid"];
1690 }
1691
1692 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1693 WHERE owner_uid = '$user_id' AND feed_id > 0");
1694
1695 $c_id = db_fetch_result($result, 0, "c_id");
1696
1697 return $c_id;
1698 }
1699
1700 function getGlobalCounters($link, $global_unread = -1) {
1701 $ret_arr = array();
1702
1703 if ($global_unread == -1) {
1704 $global_unread = getGlobalUnread($link);
1705 }
1706
1707 $cv = array("id" => "global-unread",
1708 "counter" => $global_unread);
1709
1710 array_push($ret_arr, $cv);
1711
1712 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1713 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1714
1715 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1716
1717 $cv = array("id" => "subscribed-feeds",
1718 "counter" => $subscribed_feeds);
1719
1720 array_push($ret_arr, $cv);
1721
1722 return $ret_arr;
1723 }
1724
1725 function getTagCounters($link) {
1726
1727 $ret_arr = array();
1728
1729 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1730 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1731 AND ref_id = id AND unread = true)) AS count FROM ttrss_tags
1732 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
1733 ORDER BY count DESC LIMIT 55");
1734
1735 $tags = array();
1736
1737 while ($line = db_fetch_assoc($result)) {
1738 $tags[$line["tag_name"]] += $line["count"];
1739 }
1740
1741 foreach (array_keys($tags) as $tag) {
1742 $unread = $tags[$tag];
1743 $tag = htmlspecialchars($tag);
1744
1745 $cv = array("id" => $tag,
1746 "kind" => "tag",
1747 "counter" => $unread);
1748
1749 array_push($ret_arr, $cv);
1750 }
1751
1752 return $ret_arr;
1753 }
1754
1755 function getVirtCounters($link) {
1756
1757 $ret_arr = array();
1758
1759 for ($i = 0; $i >= -4; $i--) {
1760
1761 $count = getFeedUnread($link, $i);
1762
1763 $cv = array("id" => $i,
1764 "counter" => $count);
1765
1766 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1767 // $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
1768
1769 array_push($ret_arr, $cv);
1770 }
1771
1772 return $ret_arr;
1773 }
1774
1775 function getLabelCounters($link, $descriptions = false) {
1776
1777 $ret_arr = array();
1778
1779 $owner_uid = $_SESSION["uid"];
1780
1781 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
1782 WHERE owner_uid = '$owner_uid'");
1783
1784 while ($line = db_fetch_assoc($result)) {
1785
1786 $id = -$line["id"] - 11;
1787
1788 $label_name = $line["caption"];
1789 $count = getFeedUnread($link, $id);
1790
1791 $cv = array("id" => $id,
1792 "counter" => $count);
1793
1794 if ($descriptions)
1795 $cv["description"] = $label_name;
1796
1797 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1798 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1799
1800 array_push($ret_arr, $cv);
1801 }
1802
1803 return $ret_arr;
1804 }
1805
1806 function getFeedCounters($link, $active_feed = false) {
1807
1808 $ret_arr = array();
1809
1810 $query = "SELECT ttrss_feeds.id,
1811 ttrss_feeds.title,
1812 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1813 last_error, value AS count
1814 FROM ttrss_feeds, ttrss_counters_cache
1815 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1816 AND ttrss_counters_cache.feed_id = id";
1817
1818 $result = db_query($link, $query);
1819 $fctrs_modified = false;
1820
1821 while ($line = db_fetch_assoc($result)) {
1822
1823 $id = $line["id"];
1824 $count = $line["count"];
1825 $last_error = htmlspecialchars($line["last_error"]);
1826
1827 $last_updated = make_local_datetime($link, $line['last_updated'], false);
1828
1829 $has_img = feed_has_icon($id);
1830
1831 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1832 $last_updated = '';
1833
1834 $cv = array("id" => $id,
1835 "updated" => $last_updated,
1836 "counter" => $count,
1837 "has_img" => (int) $has_img);
1838
1839 if ($last_error)
1840 $cv["error"] = $last_error;
1841
1842 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1843 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1844
1845 if ($active_feed && $id == $active_feed)
1846 $cv["title"] = truncate_string($line["title"], 30);
1847
1848 array_push($ret_arr, $cv);
1849
1850 }
1851
1852 return $ret_arr;
1853 }
1854
1855 function get_pgsql_version($link) {
1856 $result = db_query($link, "SELECT version() AS version");
1857 $version = explode(" ", db_fetch_result($result, 0, "version"));
1858 return $version[1];
1859 }
1860
1861 /**
1862 * @return integer Status code:
1863 * 0 - OK, Feed already exists
1864 * 1 - OK, Feed added
1865 * 2 - Invalid URL
1866 * 3 - URL content is HTML, no feeds available
1867 * 4 - URL content is HTML which contains multiple feeds.
1868 * Here you should call extractfeedurls in rpc-backend
1869 * to get all possible feeds.
1870 * 5 - Couldn't download the URL content.
1871 */
1872 function subscribe_to_feed($link, $url, $cat_id = 0,
1873 $auth_login = '', $auth_pass = '', $need_auth = false) {
1874
1875 require_once "include/rssfuncs.php";
1876
1877 $url = fix_url($url);
1878
1879 if (!$url || !validate_feed_url($url)) return 2;
1880
1881 $update_method = 0;
1882
1883 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
1884 WHERE id = ".$_SESSION['uid']);
1885
1886 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
1887
1888 if (!$need_auth || !$has_oauth || strpos($url, '://api.twitter.com') === false) {
1889 if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
1890
1891 if (url_is_html($url, $auth_login, $auth_pass)) {
1892 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
1893 if (count($feedUrls) == 0) {
1894 return 3;
1895 } else if (count($feedUrls) > 1) {
1896 return 4;
1897 }
1898 //use feed url as new URL
1899 $url = key($feedUrls);
1900 }
1901
1902 } else {
1903 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
1904 return 5;
1905
1906 $update_method = 3;
1907 }
1908 if ($cat_id == "0" || !$cat_id) {
1909 $cat_qpart = "NULL";
1910 } else {
1911 $cat_qpart = "'$cat_id'";
1912 }
1913
1914 $result = db_query($link,
1915 "SELECT id FROM ttrss_feeds
1916 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1917
1918 if (db_num_rows($result) == 0) {
1919 $result = db_query($link,
1920 "INSERT INTO ttrss_feeds
1921 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
1922 VALUES ('".$_SESSION["uid"]."', '$url',
1923 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
1924
1925 $result = db_query($link,
1926 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1927 AND owner_uid = " . $_SESSION["uid"]);
1928
1929 $feed_id = db_fetch_result($result, 0, "id");
1930
1931 if ($feed_id) {
1932 update_rss_feed($link, $feed_id, true);
1933 }
1934
1935 return 1;
1936 } else {
1937 return 0;
1938 }
1939 }
1940
1941 function print_feed_select($link, $id, $default_id = "",
1942 $attributes = "", $include_all_feeds = true) {
1943
1944 print "<select id=\"$id\" name=\"$id\" $attributes>";
1945 if ($include_all_feeds) {
1946 print "<option value=\"0\">".__('All feeds')."</option>";
1947 }
1948
1949 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1950 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1951
1952 if (db_num_rows($result) > 0 && $include_all_feeds) {
1953 print "<option disabled>--------</option>";
1954 }
1955
1956 while ($line = db_fetch_assoc($result)) {
1957 if ($line["id"] == $default_id) {
1958 $is_selected = "selected=\"1\"";
1959 } else {
1960 $is_selected = "";
1961 }
1962
1963 $title = truncate_string(htmlspecialchars($line["title"]), 40);
1964
1965 printf("<option $is_selected value='%d'>%s</option>",
1966 $line["id"], $title);
1967 }
1968
1969 print "</select>";
1970 }
1971
1972 function print_feed_cat_select($link, $id, $default_id = "",
1973 $attributes = "", $include_all_cats = true) {
1974
1975 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1976
1977 if ($include_all_cats) {
1978 print "<option value=\"0\">".__('Uncategorized')."</option>";
1979 }
1980
1981 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
1982 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1983
1984 if (db_num_rows($result) > 0 && $include_all_cats) {
1985 print "<option disabled=\"1\">--------</option>";
1986 }
1987
1988 while ($line = db_fetch_assoc($result)) {
1989 if ($line["id"] == $default_id) {
1990 $is_selected = "selected=\"1\"";
1991 } else {
1992 $is_selected = "";
1993 }
1994
1995 if ($line["title"])
1996 printf("<option $is_selected value='%d'>%s</option>",
1997 $line["id"], htmlspecialchars($line["title"]));
1998 }
1999
2000 # print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
2001
2002 print "</select>";
2003 }
2004
2005 function checkbox_to_sql_bool($val) {
2006 return ($val == "on") ? "true" : "false";
2007 }
2008
2009 function getFeedCatTitle($link, $id) {
2010 if ($id == -1) {
2011 return __("Special");
2012 } else if ($id < -10) {
2013 return __("Labels");
2014 } else if ($id > 0) {
2015 $result = db_query($link, "SELECT ttrss_feed_categories.title
2016 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2017 cat_id = ttrss_feed_categories.id");
2018 if (db_num_rows($result) == 1) {
2019 return db_fetch_result($result, 0, "title");
2020 } else {
2021 return __("Uncategorized");
2022 }
2023 } else {
2024 return "getFeedCatTitle($id) failed";
2025 }
2026
2027 }
2028
2029 function getFeedIcon($id) {
2030 switch ($id) {
2031 case 0:
2032 return "images/archive.png";
2033 break;
2034 case -1:
2035 return "images/mark_set.png";
2036 break;
2037 case -2:
2038 return "images/pub_set.png";
2039 break;
2040 case -3:
2041 return "images/fresh.png";
2042 break;
2043 case -4:
2044 return "images/tag.png";
2045 break;
2046 default:
2047 if ($id < -10) {
2048 return "images/label.png";
2049 } else {
2050 if (file_exists(ICONS_DIR . "/$id.ico"))
2051 return ICONS_URL . "/$id.ico";
2052 }
2053 break;
2054 }
2055 }
2056
2057 function getFeedTitle($link, $id) {
2058 if ($id == -1) {
2059 return __("Starred articles");
2060 } else if ($id == -2) {
2061 return __("Published articles");
2062 } else if ($id == -3) {
2063 return __("Fresh articles");
2064 } else if ($id == -4) {
2065 return __("All articles");
2066 } else if ($id === 0 || $id === "0") {
2067 return __("Archived articles");
2068 } else if ($id < -10) {
2069 $label_id = -$id - 11;
2070 $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2071 if (db_num_rows($result) == 1) {
2072 return db_fetch_result($result, 0, "caption");
2073 } else {
2074 return "Unknown label ($label_id)";
2075 }
2076
2077 } else if (is_numeric($id) && $id > 0) {
2078 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2079 if (db_num_rows($result) == 1) {
2080 return db_fetch_result($result, 0, "title");
2081 } else {
2082 return "Unknown feed ($id)";
2083 }
2084 } else {
2085 return $id;
2086 }
2087 }
2088
2089 function make_init_params($link) {
2090 $params = array();
2091
2092 $params["theme"] = get_user_theme($link);
2093 $params["theme_options"] = get_user_theme_options($link);
2094
2095 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
2096 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
2097 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
2098 $params["sign_info"] = theme_image($link, "images/sign_info.png");
2099
2100 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
2101 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
2102 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
2103 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
2104
2105 $params[strtolower($param)] = (int) get_pref($link, $param);
2106 }
2107
2108 $params["icons_url"] = ICONS_URL;
2109 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
2110 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
2111 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
2112 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
2113 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2114
2115 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2116 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2117
2118 $max_feed_id = db_fetch_result($result, 0, "mid");
2119 $num_feeds = db_fetch_result($result, 0, "nf");
2120
2121 $params["max_feed_id"] = (int) $max_feed_id;
2122 $params["num_feeds"] = (int) $num_feeds;
2123
2124 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
2125
2126 $params["csrf_token"] = $_SESSION["csrf_token"];
2127
2128 return $params;
2129 }
2130
2131 function make_runtime_info($link) {
2132 $data = array();
2133
2134 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2135 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2136
2137 $max_feed_id = db_fetch_result($result, 0, "mid");
2138 $num_feeds = db_fetch_result($result, 0, "nf");
2139
2140 $data["max_feed_id"] = (int) $max_feed_id;
2141 $data["num_feeds"] = (int) $num_feeds;
2142
2143 $data['last_article_id'] = getLastArticleId($link);
2144 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
2145
2146 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2147
2148 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2149
2150 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2151
2152 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2153
2154 if ($stamp) {
2155 $stamp_delta = time() - $stamp;
2156
2157 if ($stamp_delta > 1800) {
2158 $stamp_check = 0;
2159 } else {
2160 $stamp_check = 1;
2161 $_SESSION["daemon_stamp_check"] = time();
2162 }
2163
2164 $data['daemon_stamp_ok'] = $stamp_check;
2165
2166 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2167
2168 $data['daemon_stamp'] = $stamp_fmt;
2169 }
2170 }
2171 }
2172
2173 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2174 $new_version_details = @check_for_update($link);
2175
2176 $data['new_version_available'] = (int) ($new_version_details != false);
2177
2178 $_SESSION["last_version_check"] = time();
2179 }
2180
2181 return $data;
2182 }
2183
2184 function search_to_sql($link, $search, $match_on) {
2185
2186 $search_query_part = "";
2187
2188 $keywords = explode(" ", $search);
2189 $query_keywords = array();
2190
2191 foreach ($keywords as $k) {
2192 if (strpos($k, "-") === 0) {
2193 $k = substr($k, 1);
2194 $not = "NOT";
2195 } else {
2196 $not = "";
2197 }
2198
2199 $commandpair = explode(":", mb_strtolower($k), 2);
2200
2201 if ($commandpair[0] == "note" && $commandpair[1]) {
2202
2203 if ($commandpair[1] == "true")
2204 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2205 else
2206 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2207
2208 } else if ($commandpair[0] == "star" && $commandpair[1]) {
2209
2210 if ($commandpair[1] == "true")
2211 array_push($query_keywords, "($not (marked = true))");
2212 else
2213 array_push($query_keywords, "($not (marked = false))");
2214
2215 } else if ($commandpair[0] == "pub" && $commandpair[1]) {
2216
2217 if ($commandpair[1] == "true")
2218 array_push($query_keywords, "($not (published = true))");
2219 else
2220 array_push($query_keywords, "($not (published = false))");
2221
2222 } else if (strpos($k, "@") === 0) {
2223
2224 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
2225 $orig_ts = strtotime(substr($k, 1));
2226 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2227
2228 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2229
2230 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2231 } else if ($match_on == "both") {
2232 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2233 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2234 } else if ($match_on == "title") {
2235 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
2236 } else if ($match_on == "content") {
2237 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2238 }
2239 }
2240
2241 $search_query_part = implode("AND", $query_keywords);
2242
2243 return $search_query_part;
2244 }
2245
2246
2247 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0) {
2248
2249 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2250
2251 $ext_tables_part = "";
2252
2253 if ($search) {
2254
2255 if (SPHINX_ENABLED) {
2256 $ids = join(",", @sphinx_search($search, 0, 500));
2257
2258 if ($ids)
2259 $search_query_part = "ref_id IN ($ids) AND ";
2260 else
2261 $search_query_part = "ref_id = -1 AND ";
2262
2263 } else {
2264 $search_query_part = search_to_sql($link, $search, $match_on);
2265 $search_query_part .= " AND ";
2266 }
2267
2268 } else {
2269 $search_query_part = "";
2270 }
2271
2272 if ($filter) {
2273 $filter_query_part = filter_to_sql($filter);
2274 } else {
2275 $filter_query_part = "";
2276 }
2277
2278 if ($since_id) {
2279 $since_id_part = "ttrss_entries.id > $since_id AND ";
2280 } else {
2281 $since_id_part = "";
2282 }
2283
2284 $view_query_part = "";
2285
2286 if ($view_mode == "adaptive" || $view_query_part == "noscores") {
2287 if ($search) {
2288 $view_query_part = " ";
2289 } else if ($feed != -1) {
2290 $unread = getFeedUnread($link, $feed, $cat_view);
2291 if ($unread > 0) {
2292 $view_query_part = " unread = true AND ";
2293 }
2294 }
2295 }
2296
2297 if ($view_mode == "marked") {
2298 $view_query_part = " marked = true AND ";
2299 }
2300
2301 if ($view_mode == "published") {
2302 $view_query_part = " published = true AND ";
2303 }
2304
2305 if ($view_mode == "unread") {
2306 $view_query_part = " unread = true AND ";
2307 }
2308
2309 if ($view_mode == "updated") {
2310 $view_query_part = " (last_read is null and unread = false) AND ";
2311 }
2312
2313 if ($limit > 0) {
2314 $limit_query_part = "LIMIT " . $limit;
2315 }
2316
2317 $vfeed_query_part = "";
2318
2319 // override query strategy and enable feed display when searching globally
2320 if ($search && $search_mode == "all_feeds") {
2321 $query_strategy_part = "ttrss_entries.id > 0";
2322 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2323 /* tags */
2324 } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2325 $query_strategy_part = "ttrss_entries.id > 0";
2326 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2327 id = feed_id) as feed_title,";
2328 } else if ($feed > 0 && $search && $search_mode == "this_cat") {
2329
2330 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2331
2332 $tmp_result = false;
2333
2334 if ($cat_view) {
2335 $tmp_result = db_query($link, "SELECT id
2336 FROM ttrss_feeds WHERE cat_id = '$feed'");
2337 } else {
2338 $tmp_result = db_query($link, "SELECT id
2339 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2340 WHERE id = '$feed') AND id != '$feed'");
2341 }
2342
2343 $cat_siblings = array();
2344
2345 if (db_num_rows($tmp_result) > 0) {
2346 while ($p = db_fetch_assoc($tmp_result)) {
2347 array_push($cat_siblings, "feed_id = " . $p["id"]);
2348 }
2349
2350 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2351 $feed, implode(" OR ", $cat_siblings));
2352
2353 } else {
2354 $query_strategy_part = "ttrss_entries.id > 0";
2355 }
2356
2357 } else if ($feed > 0) {
2358
2359 if ($cat_view) {
2360
2361 if ($feed > 0) {
2362 $query_strategy_part = "cat_id = '$feed'";
2363 } else {
2364 $query_strategy_part = "cat_id IS NULL";
2365 }
2366
2367 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2368
2369 } else {
2370 $query_strategy_part = "feed_id = '$feed'";
2371 }
2372 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2373 $query_strategy_part = "feed_id IS NULL";
2374 } else if ($feed == 0 && $cat_view) { // uncategorized
2375 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2376 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2377 } else if ($feed == -1) { // starred virtual feed
2378 $query_strategy_part = "marked = true";
2379 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2380 } else if ($feed == -2) { // published virtual feed OR labels category
2381
2382 if (!$cat_view) {
2383 $query_strategy_part = "published = true";
2384 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2385 } else {
2386 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2387
2388 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2389
2390 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2391 ttrss_user_labels2.article_id = ref_id";
2392
2393 }
2394
2395 } else if ($feed == -3) { // fresh virtual feed
2396 $query_strategy_part = "unread = true AND score >= 0";
2397
2398 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2399
2400 if (DB_TYPE == "pgsql") {
2401 $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2402 } else {
2403 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2404 }
2405
2406 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2407 } else if ($feed == -4) { // all articles virtual feed
2408 $query_strategy_part = "true";
2409 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2410 } else if ($feed <= -10) { // labels
2411 $label_id = -$feed - 11;
2412
2413 $query_strategy_part = "label_id = '$label_id' AND
2414 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2415 ttrss_user_labels2.article_id = ref_id";
2416
2417 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2418 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2419
2420 } else {
2421 $query_strategy_part = "id > 0"; // dumb
2422 }
2423
2424 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
2425 $date_sort_field = "updated";
2426 } else {
2427 $date_sort_field = "date_entered";
2428 }
2429
2430 if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
2431 $order_by = "$date_sort_field";
2432 } else {
2433 $order_by = "$date_sort_field DESC";
2434 }
2435
2436 if ($view_mode != "noscores") {
2437 $order_by = "score DESC, $order_by";
2438 }
2439
2440 if ($override_order) {
2441 $order_by = $override_order;
2442 }
2443
2444 $feed_title = "";
2445
2446 if ($search) {
2447 $feed_title = "Search results";
2448 } else {
2449 if ($cat_view) {
2450 $feed_title = getCategoryTitle($link, $feed);
2451 } else {
2452 if (is_numeric($feed) && $feed > 0) {
2453 $result = db_query($link, "SELECT title,site_url,last_error
2454 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2455
2456 $feed_title = db_fetch_result($result, 0, "title");
2457 $feed_site_url = db_fetch_result($result, 0, "site_url");
2458 $last_error = db_fetch_result($result, 0, "last_error");
2459 } else {
2460 $feed_title = getFeedTitle($link, $feed);
2461 }
2462 }
2463 }
2464
2465 $content_query_part = "content as content_preview,";
2466
2467 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2468
2469 if ($feed >= 0) {
2470 $feed_kind = "Feeds";
2471 } else {
2472 $feed_kind = "Labels";
2473 }
2474
2475 if ($limit_query_part) {
2476 $offset_query_part = "OFFSET $offset";
2477 }
2478
2479 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
2480 if (!$override_order) {
2481 $order_by = "ttrss_feeds.title, $order_by";
2482 }
2483 }
2484
2485 if ($feed != "0") {
2486 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2487 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2488
2489 } else {
2490 $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
2491 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2492 }
2493
2494 $query = "SELECT DISTINCT
2495 date_entered,
2496 guid,
2497 ttrss_entries.id,ttrss_entries.title,
2498 updated,
2499 label_cache,
2500 tag_cache,
2501 always_display_enclosures,
2502 site_url,
2503 note,
2504 num_comments,
2505 comments,
2506 int_id,
2507 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2508 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
2509 $vfeed_query_part
2510 $content_query_part
2511 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
2512 author,score
2513 FROM
2514 $from_qpart
2515 WHERE
2516 $feed_check_qpart
2517 ttrss_user_entries.ref_id = ttrss_entries.id AND
2518 ttrss_user_entries.owner_uid = '$owner_uid' AND
2519 $search_query_part
2520 $filter_query_part
2521 $view_query_part
2522 $since_id_part
2523 $query_strategy_part ORDER BY $order_by
2524 $limit_query_part $offset_query_part";
2525
2526 if ($_REQUEST["debug"]) print $query;
2527
2528 $result = db_query($link, $query);
2529
2530 } else {
2531 // browsing by tag
2532
2533 $select_qpart = "SELECT DISTINCT " .
2534 "date_entered," .
2535 "guid," .
2536 "note," .
2537 "ttrss_entries.id as id," .
2538 "title," .
2539 "updated," .
2540 "unread," .
2541 "feed_id," .
2542 "orig_feed_id," .
2543 "marked," .
2544 "num_comments, " .
2545 "comments, " .
2546 "tag_cache," .
2547 "label_cache," .
2548 "link," .
2549 "last_read," .
2550 SUBSTRING_FOR_DATE . "(last_read,1,19) as last_read_noms," .
2551 $since_id_part .
2552 $vfeed_query_part .
2553 $content_query_part .
2554 SUBSTRING_FOR_DATE . "(updated,1,19) as updated_noms," .
2555 "score ";
2556
2557 $feed_kind = "Tags";
2558 $all_tags = explode(",", $feed);
2559 if ($search_mode == 'any') {
2560 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2561 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2562 $where_qpart = " WHERE " .
2563 "ref_id = ttrss_entries.id AND " .
2564 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2565 "post_int_id = int_id AND $tag_sql AND " .
2566 $view_query_part .
2567 $search_query_part .
2568 $query_strategy_part . " ORDER BY $order_by " .
2569 $limit_query_part;
2570
2571 } else {
2572 $i = 1;
2573 $sub_selects = array();
2574 $sub_ands = array();
2575 foreach ($all_tags as $term) {
2576 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2577 $i++;
2578 }
2579 if ($i > 2) {
2580 $x = 1;
2581 $y = 2;
2582 do {
2583 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2584 $x++;
2585 $y++;
2586 } while ($y < $i);
2587 }
2588 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2589 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2590 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2591 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2592 }
2593 // error_log("TAG SQL: " . $tag_sql);
2594 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2595
2596 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2597 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
2598 }
2599
2600 return array($result, $feed_title, $feed_site_url, $last_error);
2601
2602 }
2603
2604 function sanitize($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
2605 global $purifier;
2606
2607 if (!$owner) $owner = $_SESSION["uid"];
2608
2609 $res = trim($str); if (!$res) return '';
2610
2611 // create global Purifier object if needed
2612 if (!$purifier) {
2613 require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
2614
2615 $config = HTMLPurifier_Config::createDefault();
2616
2617 $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]";
2618
2619 $config->set('HTML.SafeObject', true);
2620 @$config->set('HTML', 'Allowed', $allowed);
2621 $config->set('Output.FlashCompat', true);
2622 $config->set('Attr.EnableID', true);
2623 if (!defined('MOBILE_VERSION')) {
2624 @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
2625 } else {
2626 @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
2627 }
2628
2629 $config->set('Filter.YouTube', true);
2630
2631 $purifier = new HTMLPurifier($config);
2632 }
2633
2634 $res = $purifier->purify($res);
2635
2636 if (get_pref($link, "STRIP_IMAGES", $owner)) {
2637 $res = preg_replace('/<img[^>]+>/is', '', $res);
2638 }
2639
2640 if (strpos($res, "href=") === false)
2641 $res = rewrite_urls($res);
2642
2643 $charset_hack = '<head>
2644 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2645 </head>';
2646
2647 $res = trim($res); if (!$res) return '';
2648
2649 libxml_use_internal_errors(true);
2650
2651 $doc = new DOMDocument();
2652 $doc->loadHTML($charset_hack . $res);
2653 $xpath = new DOMXPath($doc);
2654
2655 $entries = $xpath->query('(//a[@href]|//img[@src])');
2656 $br_inserted = 0;
2657
2658 foreach ($entries as $entry) {
2659
2660 if ($site_url) {
2661
2662 if ($entry->hasAttribute('href'))
2663 $entry->setAttribute('href',
2664 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2665
2666 if ($entry->hasAttribute('src'))
2667 if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
2668 $entry->setAttribute('src',
2669 rewrite_relative_url($site_url, $entry->getAttribute('src')));
2670 }
2671
2672 if (strtolower($entry->nodeName) == "a") {
2673 $entry->setAttribute("target", "_blank");
2674 }
2675
2676 if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
2677 $br = $doc->createElement("br");
2678
2679 if ($entry->parentNode->nextSibling) {
2680 $entry->parentNode->insertBefore($br, $entry->nextSibling);
2681 $br_inserted = 1;
2682 }
2683
2684 }
2685 }
2686
2687 $node = $doc->getElementsByTagName('body')->item(0);
2688
2689 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
2690 }
2691
2692 /**
2693 * Send by mail a digest of last articles.
2694 *
2695 * @param mixed $link The database connection.
2696 * @param integer $limit The maximum number of articles by digest.
2697 * @return boolean Return false if digests are not enabled.
2698 */
2699 function send_headlines_digests($link, $debug = false) {
2700
2701 require_once 'lib/phpmailer/class.phpmailer.php';
2702
2703 $user_limit = 15; // amount of users to process (e.g. emails to send out)
2704 $limit = 1000; // maximum amount of headlines to include
2705
2706 if ($debug) _debug("Sending digests, batch of max $user_limit users, headline limit = $limit");
2707
2708 if (DB_TYPE == "pgsql") {
2709 $interval_query = "last_digest_sent < NOW() - INTERVAL '1 days'";
2710 } else if (DB_TYPE == "mysql") {
2711 $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL 1 DAY)";
2712 }
2713
2714 $result = db_query($link, "SELECT id,email FROM ttrss_users
2715 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2716
2717 while ($line = db_fetch_assoc($result)) {
2718
2719 if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2720 $preferred_ts = strtotime(get_pref($link, 'DIGEST_PREFERRED_TIME', $line['id'], '00:00'));
2721
2722 // try to send digests within 2 hours of preferred time
2723 if ($preferred_ts && time() >= $preferred_ts &&
2724 time() - $preferred_ts <= 7200) {
2725
2726 if ($debug) print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2727
2728 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
2729
2730 global $tz_offset;
2731
2732 // reset tz_offset global to prevent tz cache clash between users
2733 $tz_offset = -1;
2734
2735 $tuple = prepare_headlines_digest($link, $line["id"], 1, $limit);
2736 $digest = $tuple[0];
2737 $headlines_count = $tuple[1];
2738 $affected_ids = $tuple[2];
2739 $digest_text = $tuple[3];
2740
2741 if ($headlines_count > 0) {
2742
2743 $mail = new PHPMailer();
2744
2745 $mail->PluginDir = "lib/phpmailer/";
2746 $mail->SetLanguage("en", "lib/phpmailer/language/");
2747
2748 $mail->CharSet = "UTF-8";
2749
2750 $mail->From = SMTP_FROM_ADDRESS;
2751 $mail->FromName = SMTP_FROM_NAME;
2752 $mail->AddAddress($line["email"], $line["login"]);
2753
2754 if (SMTP_HOST) {
2755 $mail->Host = SMTP_HOST;
2756 $mail->Mailer = "smtp";
2757 $mail->SMTPAuth = SMTP_LOGIN != '';
2758 $mail->Username = SMTP_LOGIN;
2759 $mail->Password = SMTP_PASSWORD;
2760 }
2761
2762 $mail->IsHTML(true);
2763 $mail->Subject = DIGEST_SUBJECT;
2764 $mail->Body = $digest;
2765 $mail->AltBody = $digest_text;
2766
2767 $rc = $mail->Send();
2768
2769 if (!$rc && $debug) print "ERROR: " . $mail->ErrorInfo;
2770
2771 if ($debug) print "RC=$rc\n";
2772
2773 if ($rc && $do_catchup) {
2774 if ($debug) print "Marking affected articles as read...\n";
2775 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
2776 }
2777 } else {
2778 if ($debug) print "No headlines\n";
2779 }
2780
2781 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2782 WHERE id = " . $line["id"]);
2783
2784 }
2785 }
2786 }
2787
2788 if ($debug) _debug("All done.");
2789
2790 }
2791
2792 function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 1000) {
2793
2794 require_once "lib/MiniTemplator.class.php";
2795
2796 $tpl = new MiniTemplator;
2797 $tpl_t = new MiniTemplator;
2798
2799 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
2800 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
2801
2802 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $user_id);
2803 $local_ts = convert_timestamp(time(), 'UTC', $user_tz_string);
2804
2805 $tpl->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
2806 $tpl->setVariable('CUR_TIME', date('G:i', $local_ts));
2807
2808 $tpl_t->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
2809 $tpl_t->setVariable('CUR_TIME', date('G:i', $local_ts));
2810
2811 $affected_ids = array();
2812
2813 if (DB_TYPE == "pgsql") {
2814 $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
2815 } else if (DB_TYPE == "mysql") {
2816 $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
2817 }
2818
2819 $result = db_query($link, "SELECT ttrss_entries.title,
2820 ttrss_feeds.title AS feed_title,
2821 COALESCE(ttrss_feed_categories.title, '".__('Uncategorized')."') AS cat_title,
2822 date_updated,
2823 ttrss_user_entries.ref_id,
2824 link,
2825 score,
2826 content,
2827 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
2828 FROM
2829 ttrss_user_entries,ttrss_entries,ttrss_feeds
2830 LEFT JOIN
2831 ttrss_feed_categories ON (cat_id = ttrss_feed_categories.id)
2832 WHERE
2833 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2834 AND include_in_digest = true
2835 AND $interval_query
2836 AND ttrss_user_entries.owner_uid = $user_id
2837 AND unread = true
2838 AND score >= 0
2839 ORDER BY ttrss_feed_categories.title, ttrss_feeds.title, score DESC, date_updated DESC
2840 LIMIT $limit");
2841
2842 $cur_feed_title = "";
2843
2844 $headlines_count = db_num_rows($result);
2845
2846 $headlines = array();
2847
2848 while ($line = db_fetch_assoc($result)) {
2849 array_push($headlines, $line);
2850 }
2851
2852 for ($i = 0; $i < sizeof($headlines); $i++) {
2853
2854 $line = $headlines[$i];
2855
2856 array_push($affected_ids, $line["ref_id"]);
2857
2858 $updated = make_local_datetime($link, $line['last_updated'], false,
2859 $user_id);
2860
2861 /* if ($line["score"] != 0) {
2862 if ($line["score"] > 0) $line["score"] = '+' . $line["score"];
2863
2864 $line["title"] .= " (".$line['score'].")";
2865 } */
2866
2867 if (get_pref($link, 'ENABLE_FEED_CATS', $user_id)) {
2868 $line['feed_title'] = $line['cat_title'] . " / " . $line['feed_title'];
2869 }
2870
2871 $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
2872 $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
2873 $tpl->setVariable('ARTICLE_LINK', $line["link"]);
2874 $tpl->setVariable('ARTICLE_UPDATED', $updated);
2875 $tpl->setVariable('ARTICLE_EXCERPT',
2876 truncate_string(strip_tags($line["content"]), 300));
2877 // $tpl->setVariable('ARTICLE_CONTENT',
2878 // strip_tags($article_content));
2879
2880 $tpl->addBlock('article');
2881
2882 $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
2883 $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
2884 $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
2885 $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
2886 // $tpl_t->setVariable('ARTICLE_EXCERPT',
2887 // truncate_string(strip_tags($line["excerpt"]), 100));
2888
2889 $tpl_t->addBlock('article');
2890
2891 if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
2892 $tpl->addBlock('feed');
2893 $tpl_t->addBlock('feed');
2894 }
2895
2896 }
2897
2898 $tpl->addBlock('digest');
2899 $tpl->generateOutputToString($tmp);
2900
2901 $tpl_t->addBlock('digest');
2902 $tpl_t->generateOutputToString($tmp_t);
2903
2904 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
2905 }
2906
2907 function check_for_update($link) {
2908 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2909 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
2910
2911 $version_data = @fetch_file_contents($version_url);
2912
2913 if ($version_data) {
2914 $version_data = json_decode($version_data, true);
2915 if ($version_data && $version_data['version']) {
2916
2917 if (version_compare(VERSION, $version_data['version']) == -1) {
2918 return $version_data;
2919 }
2920 }
2921 }
2922 }
2923 return false;
2924 }
2925
2926 function markArticlesById($link, $ids, $cmode) {
2927
2928 $tmp_ids = array();
2929
2930 foreach ($ids as $id) {
2931 array_push($tmp_ids, "ref_id = '$id'");
2932 }
2933
2934 $ids_qpart = join(" OR ", $tmp_ids);
2935
2936 if ($cmode == 0) {
2937 db_query($link, "UPDATE ttrss_user_entries SET
2938 marked = false,last_read = NOW()
2939 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2940 } else if ($cmode == 1) {
2941 db_query($link, "UPDATE ttrss_user_entries SET
2942 marked = true
2943 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2944 } else {
2945 db_query($link, "UPDATE ttrss_user_entries SET
2946 marked = NOT marked,last_read = NOW()
2947 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2948 }
2949 }
2950
2951 function publishArticlesById($link, $ids, $cmode) {
2952
2953 $tmp_ids = array();
2954
2955 foreach ($ids as $id) {
2956 array_push($tmp_ids, "ref_id = '$id'");
2957 }
2958
2959 $ids_qpart = join(" OR ", $tmp_ids);
2960
2961 if ($cmode == 0) {
2962 db_query($link, "UPDATE ttrss_user_entries SET
2963 published = false,last_read = NOW()
2964 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2965 } else if ($cmode == 1) {
2966 db_query($link, "UPDATE ttrss_user_entries SET
2967 published = true
2968 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2969 } else {
2970 db_query($link, "UPDATE ttrss_user_entries SET
2971 published = NOT published,last_read = NOW()
2972 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2973 }
2974
2975 if (PUBSUBHUBBUB_HUB) {
2976 $rss_link = get_self_url_prefix() .
2977 "/public.php?op=rss&id=-2&key=" .
2978 get_feed_access_key($link, -2, false);
2979
2980 $p = new Publisher(PUBSUBHUBBUB_HUB);
2981
2982 $pubsub_result = $p->publish_update($rss_link);
2983 }
2984 }
2985
2986 function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2987
2988 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2989 if (count($ids) == 0) return;
2990
2991 $tmp_ids = array();
2992
2993 foreach ($ids as $id) {
2994 array_push($tmp_ids, "ref_id = '$id'");
2995 }
2996
2997 $ids_qpart = join(" OR ", $tmp_ids);
2998
2999 if ($cmode == 0) {
3000 db_query($link, "UPDATE ttrss_user_entries SET
3001 unread = false,last_read = NOW()
3002 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3003 } else if ($cmode == 1) {
3004 db_query($link, "UPDATE ttrss_user_entries SET
3005 unread = true
3006 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3007 } else {
3008 db_query($link, "UPDATE ttrss_user_entries SET
3009 unread = NOT unread,last_read = NOW()
3010 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3011 }
3012
3013 /* update ccache */
3014
3015 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3016 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3017
3018 while ($line = db_fetch_assoc($result)) {
3019 ccache_update($link, $line["feed_id"], $owner_uid);
3020 }
3021 }
3022
3023 function catchupArticleById($link, $id, $cmode) {
3024
3025 if ($cmode == 0) {
3026 db_query($link, "UPDATE ttrss_user_entries SET
3027 unread = false,last_read = NOW()
3028 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3029 } else if ($cmode == 1) {
3030 db_query($link, "UPDATE ttrss_user_entries SET
3031 unread = true
3032 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3033 } else {
3034 db_query($link, "UPDATE ttrss_user_entries SET
3035 unread = NOT unread,last_read = NOW()
3036 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3037 }
3038
3039 $feed_id = getArticleFeed($link, $id);
3040 ccache_update($link, $feed_id, $_SESSION["uid"]);
3041 }
3042
3043 function make_guid_from_title($title) {
3044 return preg_replace("/[ \"\',.:;]/", "-",
3045 mb_strtolower(strip_tags($title), 'utf-8'));
3046 }
3047
3048 function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
3049
3050 $a_id = db_escape_string($id);
3051
3052 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3053
3054 $query = "SELECT DISTINCT tag_name,
3055 owner_uid as owner FROM
3056 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3057 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3058
3059 $obj_id = md5("TAGS:$owner_uid:$id");
3060 $tags = array();
3061
3062 /* check cache first */
3063
3064 if ($tag_cache === false) {
3065 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
3066 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3067
3068 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3069 }
3070
3071 if ($tag_cache) {
3072 $tags = explode(",", $tag_cache);
3073 } else {
3074
3075 /* do it the hard way */
3076
3077 $tmp_result = db_query($link, $query);
3078
3079 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3080 array_push($tags, $tmp_line["tag_name"]);
3081 }
3082
3083 /* update the cache */
3084
3085 $tags_str = db_escape_string(join(",", $tags));
3086
3087 db_query($link, "UPDATE ttrss_user_entries
3088 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3089 AND owner_uid = $owner_uid");
3090 }
3091
3092 return $tags;
3093 }
3094
3095 function trim_array($array) {
3096 $tmp = $array;
3097 array_walk($tmp, 'trim');
3098 return $tmp;
3099 }
3100
3101 function tag_is_valid($tag) {
3102 if ($tag == '') return false;
3103 if (preg_match("/^[0-9]*$/", $tag)) return false;
3104 if (mb_strlen($tag) > 250) return false;
3105
3106 if (function_exists('iconv')) {
3107 $tag = iconv("utf-8", "utf-8", $tag);
3108 }
3109
3110 if (!$tag) return false;
3111
3112 return true;
3113 }
3114
3115 function render_login_form($link, $mobile = 0) {
3116 switch ($mobile) {
3117 case 0:
3118 require_once "login_form.php";
3119 break;
3120 case 1:
3121 require_once "mobile/login_form.php";
3122 break;
3123 case 2:
3124 require_once "mobile/classic/login_form.php";
3125 }
3126 }
3127
3128 // from http://developer.apple.com/internet/safari/faq.html
3129 function no_cache_incantation() {
3130 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
3131 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
3132 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
3133 header("Cache-Control: post-check=0, pre-check=0", false);
3134 header("Pragma: no-cache"); // HTTP/1.0
3135 }
3136
3137 function format_warning($msg, $id = "") {
3138 global $link;
3139 return "<div class=\"warning\" id=\"$id\">
3140 <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3141 }
3142
3143 function format_notice($msg, $id = "") {
3144 global $link;
3145 return "<div class=\"notice\" id=\"$id\">
3146 <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
3147 }
3148
3149 function format_error($msg, $id = "") {
3150 global $link;
3151 return "<div class=\"error\" id=\"$id\">
3152 <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
3153 }
3154
3155 function print_notice($msg) {
3156 return print format_notice($msg);
3157 }
3158
3159 function print_warning($msg) {
3160 return print format_warning($msg);
3161 }
3162
3163 function print_error($msg) {
3164 return print format_error($msg);
3165 }
3166
3167
3168 function T_sprintf() {
3169 $args = func_get_args();
3170 return vsprintf(__(array_shift($args)), $args);
3171 }
3172
3173 function format_inline_player($link, $url, $ctype) {
3174
3175 $entry = "";
3176
3177 if (strpos($ctype, "audio/") === 0) {
3178
3179 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3180 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
3181 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
3182
3183 $id = 'AUDIO-' . uniqid();
3184
3185 $entry .= "<audio id=\"$id\"\">
3186 <source src=\"$url\"></source>
3187 </audio>";
3188
3189 $entry .= "<span onclick=\"player(this)\"
3190 title=\"".__("Click to play")."\" status=\"0\"
3191 class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
3192
3193 } else {
3194
3195 $entry .= "<object type=\"application/x-shockwave-flash\"
3196 data=\"lib/button/musicplayer.swf?song_url=$url\"
3197 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3198 <param name=\"movie\"
3199 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3200 </object>";
3201 }
3202 }
3203
3204 $filename = substr($url, strrpos($url, "/")+1);
3205
3206 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3207 $filename . " (" . $ctype . ")" . "</a>";
3208
3209 return $entry;
3210 }
3211
3212 function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3213
3214 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3215
3216 $rv = array();
3217
3218 $rv['id'] = $id;
3219
3220 /* we can figure out feed_id from article id anyway, why do we
3221 * pass feed_id here? let's ignore the argument :( */
3222
3223 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3224 WHERE ref_id = '$id'");
3225
3226 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3227
3228 $rv['feed_id'] = $feed_id;
3229
3230 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3231
3232 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
3233 WHERE id = '$feed_id' AND owner_uid = $owner_uid");
3234
3235 if (db_num_rows($result) == 1) {
3236 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
3237 $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
3238 } else {
3239 $rtl_content = false;
3240 $always_display_enclosures = false;
3241 }
3242
3243 if ($rtl_content) {
3244 $rtl_tag = "dir=\"RTL\"";
3245 $rtl_class = "RTL";
3246 } else {
3247 $rtl_tag = "";
3248 $rtl_class = "";
3249 }
3250
3251 if ($mark_as_read) {
3252 $result = db_query($link, "UPDATE ttrss_user_entries
3253 SET unread = false,last_read = NOW()
3254 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3255
3256 ccache_update($link, $feed_id, $owner_uid);
3257 }
3258
3259 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
3260 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3261 (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
3262 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3263 num_comments,
3264 tag_cache,
3265 author,
3266 orig_feed_id,
3267 note
3268 FROM ttrss_entries,ttrss_user_entries
3269 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3270
3271 if ($result) {
3272
3273 $line = db_fetch_assoc($result);
3274
3275 if ($line["icon_url"]) {
3276 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
3277 } else {
3278 $feed_icon = "&nbsp;";
3279 }
3280
3281 $feed_site_url = $line['site_url'];
3282
3283 $num_comments = $line["num_comments"];
3284 $entry_comments = "";
3285
3286 if ($num_comments > 0) {
3287 if ($line["comments"]) {
3288 $comments_url = $line["comments"];
3289 } else {
3290 $comments_url = $line["link"];
3291 }
3292 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3293 } else {
3294 if ($line["comments"] && $line["link"] != $line["comments"]) {
3295 $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
3296 }
3297 }
3298
3299 if ($zoom_mode) {
3300 header("Content-Type: text/html");
3301 $rv['content'] .= "<html><head>
3302 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3303 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3304 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3305 </head><body>";
3306 }
3307
3308 $title_escaped = db_escape_string($line['title']);
3309
3310 $rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
3311 truncate_string(strip_tags($line['title']), 15) . "</div>";
3312
3313 $rv['content'] .= "<div id=\"PTITLE-FULL-$id\" style=\"display : none\">" .
3314 strip_tags($line['title']) . "</div>";
3315
3316 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3317
3318 $rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
3319 class=\"postHeader\" id=\"POSTHDR-$id\">";
3320
3321 $entry_author = $line["author"];
3322
3323 if ($entry_author) {
3324 $entry_author = __(" - ") . $entry_author;
3325 }
3326
3327 $parsed_updated = make_local_datetime($link, $line["updated"], true,
3328 $owner_uid, true);
3329
3330 $rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
3331
3332 if ($line["link"]) {
3333 $rv['content'] .= "<div class='postTitle' clear='both'><a target='_blank'
3334 title=\"".htmlspecialchars($line['title'])."\"
3335 href=\"" .
3336 $line["link"] . "\">" .
3337 truncate_string($line["title"], 100) .
3338 "<span class='author'>$entry_author</span></a></div>";
3339 } else {
3340 $rv['content'] .= "<div class='postTitle' clear='both'>" . $line["title"] . "$entry_author</div>";
3341 }
3342
3343 $tag_cache = $line["tag_cache"];
3344
3345 if (!$tag_cache)
3346 $tags = get_article_tags($link, $id, $owner_uid);
3347 else
3348 $tags = explode(",", $tag_cache);
3349
3350 $tags_str = format_tags_string($tags, $id);
3351 $tags_str_full = join(", ", $tags);
3352
3353 if (!$tags_str_full) $tags_str_full = __("no tags");
3354
3355 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3356
3357 $rv['content'] .= "<div class='postTags' style='float : right'>
3358 <img src='".theme_image($link, 'images/tag.png')."'
3359 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3360
3361 if (!$zoom_mode) {
3362 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3363 <a title=\"".__('Edit tags for this article')."\"
3364 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3365
3366 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3367 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3368 position=\"below\">$tags_str_full</div>";
3369
3370 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
3371 class='tagsPic' style=\"cursor : pointer\"
3372 onclick=\"postOpenInNewTab(event, $id)\"
3373 alt='Zoom' title='".__('Open article in new tab')."'>";
3374
3375 $button_plugins = explode(",", ARTICLE_BUTTON_PLUGINS);
3376
3377 foreach ($button_plugins as $p) {
3378 $pclass = trim("${p}_button");
3379
3380 if (class_exists($pclass)) {
3381 $plugin = new $pclass($link);
3382 $rv['content'] .= $plugin->render($id, $line);
3383 }
3384 }
3385
3386 $rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
3387 class='tagsPic' style=\"cursor : pointer\"
3388 onclick=\"closeArticlePanel($id)\"
3389 title='".__('Close article')."'>";
3390
3391 } else {
3392 $tags_str = strip_tags($tags_str);
3393 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3394 }
3395 $rv['content'] .= "</div>";
3396 $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3397
3398 if ($line["orig_feed_id"]) {
3399
3400 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3401 WHERE id = ".$line["orig_feed_id"]);
3402
3403 if (db_num_rows($tmp_result) != 0) {
3404
3405 $rv['content'] .= "<div clear='both'>";
3406 $rv['content'] .= __("Originally from:");
3407
3408 $rv['content'] .= "&nbsp;";
3409
3410 $tmp_line = db_fetch_assoc($tmp_result);
3411
3412 $rv['content'] .= "<a target='_blank'
3413 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3414 $tmp_line['title'] . "</a>";
3415
3416 $rv['content'] .= "&nbsp;";
3417
3418 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3419 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.png'></a>";
3420
3421 $rv['content'] .= "</div>";
3422 }
3423 }
3424
3425 $rv['content'] .= "</div>";
3426
3427 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3428 if ($line['note']) {
3429 $rv['content'] .= format_article_note($id, $line['note']);
3430 }
3431 $rv['content'] .= "</div>";
3432
3433 $rv['content'] .= "<div class=\"postIcon\">" .
3434 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
3435 href=\"".htmlspecialchars($feed_site_url)."\">".
3436 $feed_icon . "</a></div>";
3437
3438 $rv['content'] .= "<div class=\"postContent\">";
3439
3440 // N-grams
3441
3442 if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_RELATED_THRESHOLD')) {
3443
3444 $ngram_result = db_query($link, "SELECT id,title FROM
3445 ttrss_entries,ttrss_user_entries
3446 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
3447 AND similarity(title, '$title_escaped') >= "._NGRAM_TITLE_RELATED_THRESHOLD."
3448 AND title != '$title_escaped'
3449 AND owner_uid = $owner_uid");
3450
3451 if (db_num_rows($ngram_result) > 0) {
3452 $rv['content'] .= "<div dojoType=\"dijit.form.DropDownButton\">".
3453 "<span>" . __('Related')."</span>";
3454 $rv['content'] .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
3455
3456 while ($nline = db_fetch_assoc($ngram_result)) {
3457 $rv['content'] .= "<div onclick=\"hlOpenInNewTab(null,".$nline['id'].")\"
3458 dojoType=\"dijit.MenuItem\">".$nline['title']."</div>";
3459
3460 }
3461 $rv['content'] .= "</div></div><br/";
3462 }
3463 }
3464
3465 $article_content = sanitize($link, $line["content"], false, $owner_uid,
3466 $feed_site_url);
3467
3468 $rv['content'] .= $article_content;
3469
3470 $rv['content'] .= format_article_enclosures($link, $id,
3471 $always_display_enclosures, $article_content);
3472
3473 $rv['content'] .= "</div>";
3474
3475 $rv['content'] .= "</div>";
3476
3477 }
3478
3479 if ($zoom_mode) {
3480 $rv['content'] .= "
3481 <div style=\"text-align : center\">
3482 <button onclick=\"return window.close()\">".
3483 __("Close this window")."</button></div>";
3484 $rv['content'] .= "</body></html>";
3485 }
3486
3487 return $rv;
3488
3489 }
3490
3491 function print_checkpoint($n, $s) {
3492 $ts = getmicrotime();
3493 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3494 return $ts;
3495 }
3496
3497 function sanitize_tag($tag) {
3498 $tag = trim($tag);
3499
3500 $tag = mb_strtolower($tag, 'utf-8');
3501
3502 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3503
3504 // $tag = str_replace('"', "", $tag);
3505 // $tag = str_replace("+", " ", $tag);
3506 $tag = str_replace("technorati tag: ", "", $tag);
3507
3508 return $tag;
3509 }
3510
3511 function get_self_url_prefix() {
3512 return SELF_URL_PATH;
3513 }
3514
3515 function opml_publish_url($link){
3516
3517 $url_path = get_self_url_prefix();
3518 $url_path .= "/opml.php?op=publish&key=" .
3519 get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
3520
3521 return $url_path;
3522 }
3523
3524 /**
3525 * Purge a feed contents, marked articles excepted.
3526 *
3527 * @param mixed $link The database connection.
3528 * @param integer $id The id of the feed to purge.
3529 * @return void
3530 */
3531 function clear_feed_articles($link, $id) {
3532
3533 if ($id != 0) {
3534 $result = db_query($link, "DELETE FROM ttrss_user_entries
3535 WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
3536 } else {
3537 $result = db_query($link, "DELETE FROM ttrss_user_entries
3538 WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
3539 }
3540
3541 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
3542 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
3543
3544 ccache_update($link, $id, $_SESSION['uid']);
3545 } // function clear_feed_articles
3546
3547 /**
3548 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3549 *
3550 * @return string The Mozilla Firefox feed adding URL.
3551 */
3552 function add_feed_url() {
3553 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3554
3555 $url_path = get_self_url_prefix() .
3556 "/backend.php?op=pref-feeds&quiet=1&method=add&feed_url=%s";
3557 return $url_path;
3558 } // function add_feed_url
3559
3560 function encrypt_password($pass, $salt = '', $mode2 = false) {
3561 if ($salt && $mode2) {
3562 return "MODE2:" . hash('sha256', $salt . $pass);
3563 } else if ($salt) {
3564 return "SHA1X:" . sha1("$salt:$pass");
3565 } else {
3566 return "SHA1:" . sha1($pass);
3567 }
3568 } // function encrypt_password
3569
3570 function sanitize_article_content($text) {
3571 # we don't support CDATA sections in articles, they break our own escaping
3572 $text = preg_replace("/\[\[CDATA/", "", $text);
3573 $text = preg_replace("/\]\]\>/", "", $text);
3574 return $text;
3575 }
3576
3577 function load_filters($link, $feed, $owner_uid, $action_id = false) {
3578 $filters = array();
3579
3580
3581 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
3582
3583 $result = db_query($link, "SELECT reg_exp,
3584 ttrss_filter_types.name AS name,
3585 ttrss_filter_actions.name AS action,
3586 inverse,
3587 action_param,
3588 filter_param
3589 FROM ttrss_filters
3590 LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = '$feed'),
3591 ttrss_filter_types,ttrss_filter_actions
3592 WHERE
3593 enabled = true AND
3594 $ftype_query_part
3595 ttrss_filters.owner_uid = $owner_uid AND
3596 ttrss_filter_types.id = filter_type AND
3597 ttrss_filter_actions.id = action_id AND
3598 ((cat_filter = true AND ttrss_feeds.cat_id = ttrss_filters.cat_id) OR
3599 (cat_filter = true AND ttrss_feeds.cat_id IS NULL AND
3600 ttrss_filters.cat_id IS NULL) OR
3601 (cat_filter = false AND (feed_id IS NULL OR feed_id = '$feed')))
3602 ORDER BY reg_exp");
3603
3604 while ($line = db_fetch_assoc($result)) {
3605
3606 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
3607 $filter["reg_exp"] = $line["reg_exp"];
3608 $filter["action"] = $line["action"];
3609 $filter["action_param"] = $line["action_param"];
3610 $filter["filter_param"] = $line["filter_param"];
3611 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3612
3613 array_push($filters[$line["name"]], $filter);
3614 }
3615
3616
3617 return $filters;
3618 }
3619
3620 function get_score_pic($score) {
3621 if ($score > 100) {
3622 return "score_high.png";
3623 } else if ($score > 0) {
3624 return "score_half_high.png";
3625 } else if ($score < -100) {
3626 return "score_low.png";
3627 } else if ($score < 0) {
3628 return "score_half_low.png";
3629 } else {
3630 return "score_neutral.png";
3631 }
3632 }
3633
3634 function feed_has_icon($id) {
3635 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3636 }
3637
3638 function init_connection($link) {
3639 if ($link) {
3640
3641 if (DB_TYPE == "pgsql") {
3642 pg_query($link, "set client_encoding = 'UTF-8'");
3643 pg_set_client_encoding("UNICODE");
3644 pg_query($link, "set datestyle = 'ISO, european'");
3645 pg_query($link, "set TIME ZONE 0");
3646 } else {
3647 db_query($link, "SET time_zone = '+0:0'");
3648
3649 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
3650 db_query($link, "SET NAMES " . MYSQL_CHARSET);
3651 }
3652 }
3653 return true;
3654 } else {
3655 print "Unable to connect to database:" . db_last_error();
3656 return false;
3657 }
3658 }
3659
3660 /* function ccache_zero($link, $feed_id, $owner_uid) {
3661 db_query($link, "UPDATE ttrss_counters_cache SET
3662 value = 0, updated = NOW() WHERE
3663 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3664 } */
3665
3666 function ccache_zero_all($link, $owner_uid) {
3667 db_query($link, "UPDATE ttrss_counters_cache SET
3668 value = 0 WHERE owner_uid = '$owner_uid'");
3669
3670 db_query($link, "UPDATE ttrss_cat_counters_cache SET
3671 value = 0 WHERE owner_uid = '$owner_uid'");
3672 }
3673
3674 function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
3675
3676 if (!$is_cat) {
3677 $table = "ttrss_counters_cache";
3678 } else {
3679 $table = "ttrss_cat_counters_cache";
3680 }
3681
3682 db_query($link, "DELETE FROM $table WHERE
3683 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3684
3685 }
3686
3687 function ccache_update_all($link, $owner_uid) {
3688
3689 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
3690
3691 $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
3692 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
3693
3694 while ($line = db_fetch_assoc($result)) {
3695 ccache_update($link, $line["feed_id"], $owner_uid, true);
3696 }
3697
3698 /* We have to manually include category 0 */
3699
3700 ccache_update($link, 0, $owner_uid, true);
3701
3702 } else {
3703 $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
3704 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
3705
3706 while ($line = db_fetch_assoc($result)) {
3707 print ccache_update($link, $line["feed_id"], $owner_uid);
3708
3709 }
3710
3711 }
3712 }
3713
3714 function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
3715 $no_update = false) {
3716
3717 if (!is_numeric($feed_id)) return;
3718
3719 if (!$is_cat) {
3720 $table = "ttrss_counters_cache";
3721 if ($feed_id > 0) {
3722 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
3723 WHERE id = '$feed_id'");
3724 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
3725 }
3726 } else {
3727 $table = "ttrss_cat_counters_cache";
3728 }
3729
3730 if (DB_TYPE == "pgsql") {
3731 $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
3732 } else if (DB_TYPE == "mysql") {
3733 $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
3734 }
3735
3736 $result = db_query($link, "SELECT value FROM $table
3737 WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
3738 LIMIT 1");
3739
3740 if (db_num_rows($result) == 1) {
3741 return db_fetch_result($result, 0, "value");
3742 } else {
3743 if ($no_update) {
3744 return -1;
3745 } else {
3746 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
3747 }
3748 }
3749
3750 }
3751
3752 function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
3753 $update_pcat = true) {
3754
3755 if (!is_numeric($feed_id)) return;
3756
3757 if (!$is_cat && $feed_id > 0) {
3758 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
3759 WHERE id = '$feed_id'");
3760 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
3761 }
3762
3763 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
3764
3765 /* When updating a label, all we need to do is recalculate feed counters
3766 * because labels are not cached */
3767
3768 if ($feed_id < 0) {
3769 ccache_update_all($link, $owner_uid);
3770 return;
3771 }
3772
3773 if (!$is_cat) {
3774 $table = "ttrss_counters_cache";
3775 } else {
3776 $table = "ttrss_cat_counters_cache";
3777 }
3778
3779 if ($is_cat && $feed_id >= 0) {
3780 if ($feed_id != 0) {
3781 $cat_qpart = "cat_id = '$feed_id'";
3782 } else {
3783 $cat_qpart = "cat_id IS NULL";
3784 }
3785
3786 /* Recalculate counters for child feeds */
3787
3788 $result = db_query($link, "SELECT id FROM ttrss_feeds
3789 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
3790
3791 while ($line = db_fetch_assoc($result)) {
3792 ccache_update($link, $line["id"], $owner_uid, false, false);
3793 }
3794
3795 $result = db_query($link, "SELECT SUM(value) AS sv
3796 FROM ttrss_counters_cache, ttrss_feeds
3797 WHERE id = feed_id AND $cat_qpart AND
3798 ttrss_feeds.owner_uid = '$owner_uid'");
3799
3800 $unread = (int) db_fetch_result($result, 0, "sv");
3801
3802 } else {
3803 $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
3804 }
3805
3806 db_query($link, "BEGIN");
3807
3808 $result = db_query($link, "SELECT feed_id FROM $table
3809 WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
3810
3811 if (db_num_rows($result) == 1) {
3812 db_query($link, "UPDATE $table SET
3813 value = '$unread', updated = NOW() WHERE
3814 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
3815
3816 } else {
3817 db_query($link, "INSERT INTO $table
3818 (feed_id, value, owner_uid, updated)
3819 VALUES
3820 ($feed_id, $unread, $owner_uid, NOW())");
3821 }
3822
3823 db_query($link, "COMMIT");
3824
3825 if ($feed_id > 0 && $prev_unread != $unread) {
3826
3827 if (!$is_cat) {
3828
3829 /* Update parent category */
3830
3831 if ($update_pcat) {
3832
3833 $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
3834 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
3835
3836 $cat_id = (int) db_fetch_result($result, 0, "cat_id");
3837
3838 ccache_update($link, $cat_id, $owner_uid, true);
3839
3840 }
3841 }
3842 } else if ($feed_id < 0) {
3843 ccache_update_all($link, $owner_uid);
3844 }
3845
3846 return $unread;
3847 }
3848
3849 /* function ccache_cleanup($link, $owner_uid) {
3850
3851 if (DB_TYPE == "pgsql") {
3852 db_query($link, "DELETE FROM ttrss_counters_cache AS c1 WHERE
3853 (SELECT count(*) FROM ttrss_counters_cache AS c2
3854 WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
3855 AND owner_uid = '$owner_uid'");
3856
3857 db_query($link, "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
3858 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
3859 WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
3860 AND owner_uid = '$owner_uid'");
3861 } else {
3862 db_query($link, "DELETE c1 FROM
3863 ttrss_counters_cache AS c1,
3864 ttrss_counters_cache AS c2
3865 WHERE
3866 c1.owner_uid = '$owner_uid' AND
3867 c1.owner_uid = c2.owner_uid AND
3868 c1.feed_id = c2.feed_id");
3869
3870 db_query($link, "DELETE c1 FROM
3871 ttrss_cat_counters_cache AS c1,
3872 ttrss_cat_counters_cache AS c2
3873 WHERE
3874 c1.owner_uid = '$owner_uid' AND
3875 c1.owner_uid = c2.owner_uid AND
3876 c1.feed_id = c2.feed_id");
3877
3878 }
3879 } */
3880
3881 function label_find_id($link, $label, $owner_uid) {
3882 $result = db_query($link,
3883 "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
3884 AND owner_uid = '$owner_uid' LIMIT 1");
3885
3886 if (db_num_rows($result) == 1) {
3887 return db_fetch_result($result, 0, "id");
3888 } else {
3889 return 0;
3890 }
3891 }
3892
3893 function get_article_labels($link, $id) {
3894 $rv = array();
3895
3896
3897 $result = db_query($link, "SELECT label_cache FROM
3898 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
3899 $_SESSION["uid"]);
3900
3901 $label_cache = db_fetch_result($result, 0, "label_cache");
3902
3903 if ($label_cache) {
3904
3905 $label_cache = json_decode($label_cache, true);
3906
3907 if ($label_cache["no-labels"] == 1)
3908 return $rv;
3909 else
3910 return $label_cache;
3911 }
3912
3913 $result = db_query($link,
3914 "SELECT DISTINCT label_id,caption,fg_color,bg_color
3915 FROM ttrss_labels2, ttrss_user_labels2
3916 WHERE id = label_id
3917 AND article_id = '$id'
3918 AND owner_uid = ".$_SESSION["uid"] . "
3919 ORDER BY caption");
3920
3921 while ($line = db_fetch_assoc($result)) {
3922 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
3923 $line["bg_color"]);
3924 array_push($rv, $rk);
3925 }
3926
3927 if (count($rv) > 0)
3928 label_update_cache($link, $id, $rv);
3929 else
3930 label_update_cache($link, $id, array("no-labels" => 1));
3931
3932 return $rv;
3933 }
3934
3935
3936 function label_find_caption($link, $label, $owner_uid) {
3937 $result = db_query($link,
3938 "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
3939 AND owner_uid = '$owner_uid' LIMIT 1");
3940
3941 if (db_num_rows($result) == 1) {
3942 return db_fetch_result($result, 0, "caption");
3943 } else {
3944 return "";
3945 }
3946 }
3947
3948 function label_update_cache($link, $id, $labels = false, $force = false) {
3949
3950 if ($force)
3951 label_clear_cache($link, $id);
3952
3953 if (!$labels)
3954 $labels = get_article_labels($link, $id);
3955
3956 $labels = db_escape_string(json_encode($labels));
3957
3958 db_query($link, "UPDATE ttrss_user_entries SET
3959 label_cache = '$labels' WHERE ref_id = '$id'");
3960
3961 }
3962
3963 function label_clear_cache($link, $id) {
3964
3965 db_query($link, "UPDATE ttrss_user_entries SET
3966 label_cache = '' WHERE ref_id = '$id'");
3967
3968 }
3969
3970 function label_remove_article($link, $id, $label, $owner_uid) {
3971
3972 $label_id = label_find_id($link, $label, $owner_uid);
3973
3974 if (!$label_id) return;
3975
3976 $result = db_query($link,
3977 "DELETE FROM ttrss_user_labels2
3978 WHERE
3979 label_id = '$label_id' AND
3980 article_id = '$id'");
3981
3982 label_clear_cache($link, $id);
3983 }
3984
3985 function label_add_article($link, $id, $label, $owner_uid) {
3986
3987 $label_id = label_find_id($link, $label, $owner_uid);
3988
3989 if (!$label_id) return;
3990
3991 $result = db_query($link,
3992 "SELECT
3993 article_id FROM ttrss_labels2, ttrss_user_labels2
3994 WHERE
3995 label_id = id AND
3996 label_id = '$label_id' AND
3997 article_id = '$id' AND owner_uid = '$owner_uid'
3998 LIMIT 1");
3999
4000 if (db_num_rows($result) == 0) {
4001 db_query($link, "INSERT INTO ttrss_user_labels2
4002 (label_id, article_id) VALUES ('$label_id', '$id')");
4003 }
4004
4005 label_clear_cache($link, $id);
4006
4007 }
4008
4009 function label_remove($link, $id, $owner_uid) {
4010 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4011
4012 db_query($link, "BEGIN");
4013
4014 $result = db_query($link, "SELECT caption FROM ttrss_labels2
4015 WHERE id = '$id'");
4016
4017 $caption = db_fetch_result($result, 0, "caption");
4018
4019 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
4020 AND owner_uid = " . $owner_uid);
4021
4022 if (db_affected_rows($link, $result) != 0 && $caption) {
4023
4024 /* Remove access key for the label */
4025
4026 $ext_id = -11 - $id;
4027
4028 db_query($link, "DELETE FROM ttrss_access_keys WHERE
4029 feed_id = '$ext_id' AND owner_uid = $owner_uid");
4030
4031 /* Disable filters that reference label being removed */
4032
4033 db_query($link, "UPDATE ttrss_filters SET
4034 enabled = false WHERE action_param = '$caption'
4035 AND action_id = 7
4036 AND owner_uid = " . $owner_uid);
4037
4038 /* Remove cached data */
4039
4040 db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
4041 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
4042
4043 }
4044
4045 db_query($link, "COMMIT");
4046 }
4047
4048 function label_create($link, $caption, $fg_color = '', $bg_color = '', $owner_uid) {
4049
4050 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
4051
4052 db_query($link, "BEGIN");
4053
4054 $result = false;
4055
4056 $result = db_query($link, "SELECT id FROM ttrss_labels2
4057 WHERE caption = '$caption' AND owner_uid = $owner_uid");
4058
4059 if (db_num_rows($result) == 0) {
4060 $result = db_query($link,
4061 "INSERT INTO ttrss_labels2 (caption,owner_uid,fg_color,bg_color)
4062 VALUES ('$caption', '$owner_uid', '$fg_color', '$bg_color')");
4063
4064 $result = db_affected_rows($link, $result) != 0;
4065 }
4066
4067 db_query($link, "COMMIT");
4068
4069 return $result;
4070 }
4071
4072 function format_tags_string($tags, $id) {
4073
4074 $tags_str = "";
4075 $tags_nolinks_str = "";
4076
4077 $num_tags = 0;
4078
4079 $tag_limit = 6;
4080
4081 $formatted_tags = array();
4082
4083 foreach ($tags as $tag) {
4084 $num_tags++;
4085 $tag_escaped = str_replace("'", "\\'", $tag);
4086
4087 if (mb_strlen($tag) > 30) {
4088 $tag = truncate_string($tag, 30);
4089 }
4090
4091 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
4092
4093 array_push($formatted_tags, $tag_str);
4094
4095 $tmp_tags_str = implode(", ", $formatted_tags);
4096
4097 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
4098 break;
4099 }
4100 }
4101
4102 $tags_str = implode(", ", $formatted_tags);
4103
4104 if ($num_tags < count($tags)) {
4105 $tags_str .= ", &hellip;";
4106 }
4107
4108 if ($num_tags == 0) {
4109 $tags_str = __("no tags");
4110 }
4111
4112 return $tags_str;
4113
4114 }
4115
4116 function format_article_labels($labels, $id) {
4117
4118 $labels_str = "";
4119
4120 foreach ($labels as $l) {
4121 $labels_str .= sprintf("<span class='hlLabelRef'
4122 style='color : %s; background-color : %s'>%s</span>",
4123 $l[2], $l[3], $l[1]);
4124 }
4125
4126 return $labels_str;
4127
4128 }
4129
4130 function format_article_note($id, $note) {
4131
4132 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
4133 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
4134 __('(edit note)')."</div>$note</div>";
4135
4136 return $str;
4137 }
4138
4139 function toggle_collapse_cat($link, $cat_id, $mode) {
4140 if ($cat_id > 0) {
4141 $mode = bool_to_sql_bool($mode);
4142
4143 db_query($link, "UPDATE ttrss_feed_categories SET
4144 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
4145 $_SESSION["uid"]);
4146 } else {
4147 $pref_name = '';
4148
4149 switch ($cat_id) {
4150 case -1:
4151 $pref_name = '_COLLAPSED_SPECIAL';
4152 break;
4153 case -2:
4154 $pref_name = '_COLLAPSED_LABELS';
4155 break;
4156 case 0:
4157 $pref_name = '_COLLAPSED_UNCAT';
4158 break;
4159 }
4160
4161 if ($pref_name) {
4162 if ($mode) {
4163 set_pref($link, $pref_name, 'true');
4164 } else {
4165 set_pref($link, $pref_name, 'false');
4166 }
4167 }
4168 }
4169 }
4170
4171 function remove_feed($link, $id, $owner_uid) {
4172
4173 if ($id > 0) {
4174
4175 /* save starred articles in Archived feed */
4176
4177 db_query($link, "BEGIN");
4178
4179 /* prepare feed if necessary */
4180
4181 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
4182 WHERE id = '$id'");
4183
4184 if (db_num_rows($result) == 0) {
4185 db_query($link, "INSERT INTO ttrss_archived_feeds
4186 (id, owner_uid, title, feed_url, site_url)
4187 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
4188 WHERE id = '$id'");
4189 }
4190
4191 db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
4192 orig_feed_id = '$id' WHERE feed_id = '$id' AND
4193 marked = true AND owner_uid = $owner_uid");
4194
4195 /* Remove access key for the feed */
4196
4197 db_query($link, "DELETE FROM ttrss_access_keys WHERE
4198 feed_id = '$id' AND owner_uid = $owner_uid");
4199
4200 /* remove the feed */
4201
4202 db_query($link, "DELETE FROM ttrss_feeds
4203 WHERE id = '$id' AND owner_uid = $owner_uid");
4204
4205 db_query($link, "COMMIT");
4206
4207 if (file_exists(ICONS_DIR . "/$id.ico")) {
4208 unlink(ICONS_DIR . "/$id.ico");
4209 }
4210
4211 ccache_remove($link, $id, $owner_uid);
4212
4213 } else {
4214 label_remove($link, -11-$id, $owner_uid);
4215 ccache_remove($link, -11-$id, $owner_uid);
4216 }
4217 }
4218
4219 function add_feed_category($link, $feed_cat) {
4220
4221 if (!$feed_cat) return false;
4222
4223 db_query($link, "BEGIN");
4224
4225 $result = db_query($link,
4226 "SELECT id FROM ttrss_feed_categories
4227 WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
4228
4229 if (db_num_rows($result) == 0) {
4230
4231 $result = db_query($link,
4232 "INSERT INTO ttrss_feed_categories (owner_uid,title)
4233 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
4234
4235 db_query($link, "COMMIT");
4236
4237 return true;
4238 }
4239
4240 return false;
4241 }
4242
4243 function remove_feed_category($link, $id, $owner_uid) {
4244
4245 db_query($link, "DELETE FROM ttrss_feed_categories
4246 WHERE id = '$id' AND owner_uid = $owner_uid");
4247
4248 ccache_remove($link, $id, $owner_uid, true);
4249 }
4250
4251 function archive_article($link, $id, $owner_uid) {
4252 db_query($link, "BEGIN");
4253
4254 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4255 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
4256
4257 if (db_num_rows($result) != 0) {
4258
4259 /* prepare the archived table */
4260
4261 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4262
4263 if ($feed_id) {
4264 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
4265 WHERE id = '$feed_id'");
4266
4267 if (db_num_rows($result) == 0) {
4268 db_query($link, "INSERT INTO ttrss_archived_feeds
4269 (id, owner_uid, title, feed_url, site_url)
4270 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
4271 WHERE id = '$feed_id'");
4272 }
4273
4274 db_query($link, "UPDATE ttrss_user_entries
4275 SET orig_feed_id = feed_id, feed_id = NULL
4276 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4277 }
4278 }
4279
4280 db_query($link, "COMMIT");
4281 }
4282
4283 function getArticleFeed($link, $id) {
4284 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4285 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4286
4287 if (db_num_rows($result) != 0) {
4288 return db_fetch_result($result, 0, "feed_id");
4289 } else {
4290 return 0;
4291 }
4292 }
4293
4294 /**
4295 * Fixes incomplete URLs by prepending "http://".
4296 * Also replaces feed:// with http://, and
4297 * prepends a trailing slash if the url is a domain name only.
4298 *
4299 * @param string $url Possibly incomplete URL
4300 *
4301 * @return string Fixed URL.
4302 */
4303 function fix_url($url) {
4304 if (strpos($url, '://') === false) {
4305 $url = 'http://' . $url;
4306 } else if (substr($url, 0, 5) == 'feed:') {
4307 $url = 'http:' . substr($url, 5);
4308 }
4309
4310 //prepend slash if the URL has no slash in it
4311 // "http://www.example" -> "http://www.example/"
4312 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
4313 $url .= '/';
4314 }
4315
4316 if ($url != "http:///")
4317 return $url;
4318 else
4319 return '';
4320 }
4321
4322 function validate_feed_url($url) {
4323 $parts = parse_url($url);
4324
4325 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
4326
4327 }
4328
4329 function get_article_enclosures($link, $id) {
4330
4331 $query = "SELECT * FROM ttrss_enclosures
4332 WHERE post_id = '$id' AND content_url != ''";
4333
4334 $rv = array();
4335
4336 $result = db_query($link, $query);
4337
4338 if (db_num_rows($result) > 0) {
4339 while ($line = db_fetch_assoc($result)) {
4340 array_push($rv, $line);
4341 }
4342 }
4343
4344 return $rv;
4345 }
4346
4347 function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
4348
4349 $feeds = array();
4350
4351 /* Labels */
4352
4353 if ($cat_id == -4 || $cat_id == -2) {
4354 $counters = getLabelCounters($link, true);
4355
4356 foreach (array_values($counters) as $cv) {
4357
4358 $unread = $cv["counter"];
4359
4360 if ($unread || !$unread_only) {
4361
4362 $row = array(
4363 "id" => $cv["id"],
4364 "title" => $cv["description"],
4365 "unread" => $cv["counter"],
4366 "cat_id" => -2,
4367 );
4368
4369 array_push($feeds, $row);
4370 }
4371 }
4372 }
4373
4374 /* Virtual feeds */
4375
4376 if ($cat_id == -4 || $cat_id == -1) {
4377 foreach (array(-1, -2, -3, -4, 0) as $i) {
4378 $unread = getFeedUnread($link, $i);
4379
4380 if ($unread || !$unread_only) {
4381 $title = getFeedTitle($link, $i);
4382
4383 $row = array(
4384 "id" => $i,
4385 "title" => $title,
4386 "unread" => $unread,
4387 "cat_id" => -1,
4388 );
4389 array_push($feeds, $row);
4390 }
4391
4392 }
4393 }
4394
4395 /* Real feeds */
4396
4397 if ($limit) {
4398 $limit_qpart = "LIMIT $limit OFFSET $offset";
4399 } else {
4400 $limit_qpart = "";
4401 }
4402
4403 if ($cat_id == -4 || $cat_id == -3) {
4404 $result = db_query($link, "SELECT
4405 id, feed_url, cat_id, title, order_id, ".
4406 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
4407 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
4408 " ORDER BY cat_id, title " . $limit_qpart);
4409 } else {
4410
4411 if ($cat_id)
4412 $cat_qpart = "cat_id = '$cat_id'";
4413 else
4414 $cat_qpart = "cat_id IS NULL";
4415
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
4420 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
4421 " ORDER BY cat_id, title " . $limit_qpart);
4422 }
4423
4424 while ($line = db_fetch_assoc($result)) {
4425
4426 $unread = getFeedUnread($link, $line["id"]);
4427
4428 $has_icon = feed_has_icon($line['id']);
4429
4430 if ($unread || !$unread_only) {
4431
4432 $row = array(
4433 "feed_url" => $line["feed_url"],
4434 "title" => $line["title"],
4435 "id" => (int)$line["id"],
4436 "unread" => (int)$unread,
4437 "has_icon" => $has_icon,
4438 "cat_id" => (int)$line["cat_id"],
4439 "last_updated" => strtotime($line["last_updated"]),
4440 "order_id" => (int) $line["order_id"],
4441 );
4442
4443 array_push($feeds, $row);
4444 }
4445 }
4446
4447 return $feeds;
4448 }
4449
4450 function api_get_headlines($link, $feed_id, $limit, $offset,
4451 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
4452 $include_attachments, $since_id,
4453 $search = "", $search_mode = "", $match_on = "") {
4454
4455 $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
4456 $view_mode, $is_cat, $search, $search_mode, $match_on,
4457 $order, $offset, 0, false, $since_id);
4458
4459 $result = $qfh_ret[0];
4460 $feed_title = $qfh_ret[1];
4461
4462 $headlines = array();
4463
4464 while ($line = db_fetch_assoc($result)) {
4465 $is_updated = ($line["last_read"] == "" &&
4466 ($line["unread"] != "t" && $line["unread"] != "1"));
4467
4468 $tags = explode(",", $line["tag_cache"]);
4469 $labels = json_decode($line["label_cache"], true);
4470
4471 //if (!$tags) $tags = get_article_tags($link, $line["id"]);
4472 //if (!$labels) $labels = get_article_labels($link, $line["id"]);
4473
4474 $headline_row = array(
4475 "id" => (int)$line["id"],
4476 "unread" => sql_bool_to_bool($line["unread"]),
4477 "marked" => sql_bool_to_bool($line["marked"]),
4478 "published" => sql_bool_to_bool($line["published"]),
4479 "updated" => strtotime($line["updated"]),
4480 "is_updated" => $is_updated,
4481 "title" => $line["title"],
4482 "link" => $line["link"],
4483 "feed_id" => $line["feed_id"],
4484 "tags" => $tags,
4485 );
4486
4487 if ($include_attachments)
4488 $headline_row['attachments'] = get_article_enclosures($link,
4489 $line['id']);
4490
4491 if ($show_excerpt) {
4492 $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
4493 $headline_row["excerpt"] = $excerpt;
4494 }
4495
4496 if ($show_content) {
4497 $headline_row["content"] = $line["content_preview"];
4498 }
4499
4500 // unify label output to ease parsing
4501 if ($labels["no-labels"] == 1) $labels = array();
4502
4503 $headline_row["labels"] = $labels;
4504
4505 $headline_row["feed_title"] = $line["feed_title"];
4506
4507 array_push($headlines, $headline_row);
4508 }
4509
4510 return $headlines;
4511 }
4512
4513 function generate_error_feed($link, $error) {
4514 $reply = array();
4515
4516 $reply['headlines']['id'] = -6;
4517 $reply['headlines']['is_cat'] = false;
4518
4519 $reply['headlines']['toolbar'] = '';
4520 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
4521
4522 $reply['headlines-info'] = array("count" => 0,
4523 "vgroup_last_feed" => '',
4524 "unread" => 0,
4525 "disable_cache" => true);
4526
4527 return $reply;
4528 }
4529
4530
4531 function generate_dashboard_feed($link) {
4532 $reply = array();
4533
4534 $reply['headlines']['id'] = -5;
4535 $reply['headlines']['is_cat'] = false;
4536
4537 $reply['headlines']['toolbar'] = '';
4538 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
4539
4540 $reply['headlines']['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
4541
4542 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
4543 WHERE owner_uid = " . $_SESSION['uid']);
4544
4545 $last_updated = db_fetch_result($result, 0, "last_updated");
4546 $last_updated = make_local_datetime($link, $last_updated, false);
4547
4548 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
4549
4550 $result = db_query($link, "SELECT COUNT(id) AS num_errors
4551 FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
4552
4553 $num_errors = db_fetch_result($result, 0, "num_errors");
4554
4555 if ($num_errors > 0) {
4556 $reply['headlines']['content'] .= "<br/>";
4557 $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
4558 __('Some feeds have update errors (click for details)')."</a>";
4559 }
4560 $reply['headlines']['content'] .= "</span></p>";
4561
4562 $reply['headlines-info'] = array("count" => 0,
4563 "vgroup_last_feed" => '',
4564 "unread" => 0,
4565 "disable_cache" => true);
4566
4567 return $reply;
4568 }
4569
4570 function save_email_address($link, $email) {
4571 // FIXME: implement persistent storage of emails
4572
4573 if (!$_SESSION['stored_emails'])
4574 $_SESSION['stored_emails'] = array();
4575
4576 if (!in_array($email, $_SESSION['stored_emails']))
4577 array_push($_SESSION['stored_emails'], $email);
4578 }
4579
4580 function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
4581 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4582
4583 $sql_is_cat = bool_to_sql_bool($is_cat);
4584
4585 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
4586 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4587 AND owner_uid = " . $owner_uid);
4588
4589 if (db_num_rows($result) == 1) {
4590 $key = db_escape_string(sha1(uniqid(rand(), true)));
4591
4592 db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
4593 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4594 AND owner_uid = " . $owner_uid);
4595
4596 return $key;
4597
4598 } else {
4599 return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
4600 }
4601 }
4602
4603 function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
4604
4605 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4606
4607 $sql_is_cat = bool_to_sql_bool($is_cat);
4608
4609 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
4610 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
4611 AND owner_uid = " . $owner_uid);
4612
4613 if (db_num_rows($result) == 1) {
4614 return db_fetch_result($result, 0, "access_key");
4615 } else {
4616 $key = db_escape_string(sha1(uniqid(rand(), true)));
4617
4618 $result = db_query($link, "INSERT INTO ttrss_access_keys
4619 (access_key, feed_id, is_cat, owner_uid)
4620 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
4621
4622 return $key;
4623 }
4624 return false;
4625 }
4626
4627 /**
4628 * Extracts RSS/Atom feed URLs from the given HTML URL.
4629 *
4630 * @param string $url HTML page URL
4631 *
4632 * @return array Array of feeds. Key is the full URL, value the title
4633 */
4634 function get_feeds_from_html($url, $login = false, $pass = false)
4635 {
4636 $url = fix_url($url);
4637 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
4638
4639 libxml_use_internal_errors(true);
4640
4641 $content = @fetch_file_contents($url, false, $login, $pass);
4642
4643 $doc = new DOMDocument();
4644 $doc->loadHTML($content);
4645 $xpath = new DOMXPath($doc);
4646 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
4647 $feedUrls = array();
4648 foreach ($entries as $entry) {
4649 if ($entry->hasAttribute('href')) {
4650 $title = $entry->getAttribute('title');
4651 if ($title == '') {
4652 $title = $entry->getAttribute('type');
4653 }
4654 $feedUrl = rewrite_relative_url(
4655 $baseUrl, $entry->getAttribute('href')
4656 );
4657 $feedUrls[$feedUrl] = $title;
4658 }
4659 }
4660 return $feedUrls;
4661 }
4662
4663 /**
4664 * Checks if the content behind the given URL is a HTML file
4665 *
4666 * @param string $url URL to check
4667 *
4668 * @return boolean True if the URL contains HTML content
4669 */
4670 function url_is_html($url, $login = false, $pass = false) {
4671 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
4672
4673 if (stripos($content, '<html>') === false
4674 && stripos($content, '<html ') === false
4675 ) {
4676 return false;
4677 }
4678
4679 return true;
4680 }
4681
4682 function print_label_select($link, $name, $value, $attributes = "") {
4683
4684 $result = db_query($link, "SELECT caption FROM ttrss_labels2
4685 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
4686
4687 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
4688 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
4689
4690 while ($line = db_fetch_assoc($result)) {
4691
4692 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
4693
4694 print "<option value=\"".htmlspecialchars($line["caption"])."\"
4695 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
4696
4697 }
4698
4699 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
4700
4701 print "</select>";
4702
4703
4704 }
4705
4706 function format_article_enclosures($link, $id, $always_display_enclosures,
4707 $article_content) {
4708
4709 $result = get_article_enclosures($link, $id);
4710 $rv = '';
4711
4712 if (count($result) > 0) {
4713
4714 $entries_html = array();
4715 $entries = array();
4716
4717 foreach ($result as $line) {
4718
4719 $url = $line["content_url"];
4720 $ctype = $line["content_type"];
4721
4722 if (!$ctype) $ctype = __("unknown type");
4723
4724 $filename = substr($url, strrpos($url, "/")+1);
4725
4726 # $player = format_inline_player($link, $url, $ctype);
4727
4728 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4729 # $filename . " (" . $ctype . ")" . "</a>";
4730
4731 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
4732 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
4733
4734 array_push($entries_html, $entry);
4735
4736 $entry = array();
4737
4738 $entry["type"] = $ctype;
4739 $entry["filename"] = $filename;
4740 $entry["url"] = $url;
4741
4742 array_push($entries, $entry);
4743 }
4744
4745 if (!get_pref($link, "STRIP_IMAGES")) {
4746 if ($always_display_enclosures ||
4747 !preg_match("/<img/i", $article_content)) {
4748
4749 foreach ($entries as $entry) {
4750
4751 if (preg_match("/image/", $entry["type"]) ||
4752 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4753
4754 $rv .= "<p><img
4755 alt=\"".htmlspecialchars($entry["filename"])."\"
4756 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4757
4758 }
4759 }
4760 }
4761 }
4762
4763 $rv .= "<div dojoType=\"dijit.form.DropDownButton\">".
4764 "<span>" . __('Attachments')."</span>";
4765 $rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
4766
4767 foreach ($entries_html as $entry) { $rv .= $entry; };
4768
4769 $rv .= "</div></div>";
4770 }
4771
4772 return $rv;
4773 }
4774
4775 function getLastArticleId($link) {
4776 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
4777 WHERE owner_uid = " . $_SESSION["uid"]);
4778
4779 if (db_num_rows($result) == 1) {
4780 return db_fetch_result($result, 0, "id");
4781 } else {
4782 return -1;
4783 }
4784 }
4785
4786 function build_url($parts) {
4787 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
4788 }
4789
4790 /**
4791 * Converts a (possibly) relative URL to a absolute one.
4792 *
4793 * @param string $url Base URL (i.e. from where the document is)
4794 * @param string $rel_url Possibly relative URL in the document
4795 *
4796 * @return string Absolute URL
4797 */
4798 function rewrite_relative_url($url, $rel_url) {
4799 if (strpos($rel_url, "magnet:") === 0) {
4800 return $rel_url;
4801 } else if (strpos($rel_url, "://") !== false) {
4802 return $rel_url;
4803 } else if (strpos($rel_url, "//") === 0) {
4804 # protocol-relative URL (rare but they exist)
4805 return $rel_url;
4806 } else if (strpos($rel_url, "/") === 0)
4807 {
4808 $parts = parse_url($url);
4809 $parts['path'] = $rel_url;
4810
4811 return build_url($parts);
4812
4813 } else {
4814 $parts = parse_url($url);
4815 if (!isset($parts['path'])) {
4816 $parts['path'] = '/';
4817 }
4818 $dir = $parts['path'];
4819 if (substr($dir, -1) !== '/') {
4820 $dir = dirname($parts['path']);
4821 $dir !== '/' && $dir .= '/';
4822 }
4823 $parts['path'] = $dir . $rel_url;
4824
4825 return build_url($parts);
4826 }
4827 }
4828
4829 function sphinx_search($query, $offset = 0, $limit = 30) {
4830 require_once 'lib/sphinxapi.php';
4831
4832 $sphinxClient = new SphinxClient();
4833
4834 $sphinxClient->SetServer('localhost', 9312);
4835 $sphinxClient->SetConnectTimeout(1);
4836
4837 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
4838 'feed_title' => 20));
4839
4840 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
4841 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
4842 $sphinxClient->SetLimits($offset, $limit, 1000);
4843 $sphinxClient->SetArrayResult(false);
4844 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
4845
4846 $result = $sphinxClient->Query($query, SPHINX_INDEX);
4847
4848 $ids = array();
4849
4850 if (is_array($result['matches'])) {
4851 foreach (array_keys($result['matches']) as $int_id) {
4852 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4853 array_push($ids, $ref_id);
4854 }
4855 }
4856
4857 return $ids;
4858 }
4859
4860 function cleanup_tags($link, $days = 14, $limit = 1000) {
4861
4862 if (DB_TYPE == "pgsql") {
4863 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4864 } else if (DB_TYPE == "mysql") {
4865 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4866 }
4867
4868 $tags_deleted = 0;
4869
4870 while ($limit > 0) {
4871 $limit_part = 500;
4872
4873 $query = "SELECT ttrss_tags.id AS id
4874 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4875 WHERE post_int_id = int_id AND $interval_query AND
4876 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4877
4878 $result = db_query($link, $query);
4879
4880 $ids = array();
4881
4882 while ($line = db_fetch_assoc($result)) {
4883 array_push($ids, $line['id']);
4884 }
4885
4886 if (count($ids) > 0) {
4887 $ids = join(",", $ids);
4888 print ".";
4889
4890 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
4891 $tags_deleted += db_affected_rows($link, $tmp_result);
4892 } else {
4893 break;
4894 }
4895
4896 $limit -= $limit_part;
4897 }
4898
4899 print "\n";
4900
4901 return $tags_deleted;
4902 }
4903
4904 function print_user_stylesheet($link) {
4905 $value = get_pref($link, 'USER_STYLESHEET');
4906
4907 if ($value) {
4908 print "<style type=\"text/css\">";
4909 print str_replace("<br/>", "\n", $value);
4910 print "</style>";
4911 }
4912
4913 }
4914
4915 /* function rewrite_urls($line) {
4916 global $url_regex;
4917
4918 $urls = null;
4919
4920 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
4921 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
4922
4923 return $result;
4924 } */
4925
4926 function rewrite_urls($html) {
4927 libxml_use_internal_errors(true);
4928
4929 $charset_hack = '<head>
4930 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
4931 </head>';
4932
4933 $doc = new DOMDocument();
4934 $doc->loadHTML($charset_hack . $html);
4935 $xpath = new DOMXPath($doc);
4936
4937 $entries = $xpath->query('//*/text()');
4938
4939 foreach ($entries as $entry) {
4940 if (strstr($entry->wholeText, "://") !== false) {
4941 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
4942 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
4943
4944 if ($text != $entry->wholeText) {
4945 $cdoc = new DOMDocument();
4946 $cdoc->loadHTML($charset_hack . $text);
4947
4948
4949 foreach ($cdoc->childNodes as $cnode) {
4950 $cnode = $doc->importNode($cnode, true);
4951
4952 if ($cnode) {
4953 $entry->parentNode->insertBefore($cnode);
4954 }
4955 }
4956
4957 $entry->parentNode->removeChild($entry);
4958
4959 }
4960 }
4961 }
4962
4963 $node = $doc->getElementsByTagName('body')->item(0);
4964
4965 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
4966 if ($node)
4967 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
4968 else
4969 return $html;
4970 }
4971
4972 function filter_to_sql($filter) {
4973 $query = "";
4974
4975 $regexp_valid = preg_match('/' . $filter['reg_exp'] . '/',
4976 $filter['reg_exp']) !== FALSE;
4977
4978 if ($regexp_valid) {
4979
4980 if (DB_TYPE == "pgsql")
4981 $reg_qpart = "~";
4982 else
4983 $reg_qpart = "REGEXP";
4984
4985 switch ($filter["type"]) {
4986 case "title":
4987 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4988 $filter['reg_exp'] . "')";
4989 break;
4990 case "content":
4991 $query = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
4992 $filter['reg_exp'] . "')";
4993 break;
4994 case "both":
4995 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4996 $filter['reg_exp'] . "') OR LOWER(" .
4997 "ttrss_entries.content) $reg_qpart LOWER('" . $filter['reg_exp'] . "')";
4998 break;
4999 case "tag":
5000 $query = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
5001 $filter['reg_exp'] . "')";
5002 break;
5003 case "link":
5004 $query = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
5005 $filter['reg_exp'] . "')";
5006 break;
5007 case "date":
5008
5009 if ($filter["filter_param"] == "before")
5010 $cmp_qpart = "<";
5011 else
5012 $cmp_qpart = ">=";
5013
5014 $timestamp = date("Y-m-d H:N:s", strtotime($filter["reg_exp"]));
5015 $query = "ttrss_entries.date_entered $cmp_qpart '$timestamp'";
5016 break;
5017 case "author":
5018 $query = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
5019 $filter['reg_exp'] . "')";
5020 break;
5021 }
5022
5023 if ($filter["inverse"])
5024 $query = "NOT ($query)";
5025
5026 if ($query) {
5027 if (DB_TYPE == "pgsql") {
5028 $query = " ($query) AND ttrss_entries.date_entered > NOW() - INTERVAL '14 days'";
5029 } else {
5030 $query = " ($query) AND ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL 14 DAY)";
5031 }
5032 $query .= " AND ";
5033 }
5034
5035 return $query;
5036 } else {
5037 return false;
5038 }
5039 }
5040
5041 // Status codes:
5042 // -1 - never connected
5043 // 0 - no data received
5044 // 1 - data received successfully
5045 // 2 - did not receive valid data
5046 // >10 - server error, code + 10 (e.g. 16 means server error 6)
5047
5048 function get_linked_feeds($link, $instance_id = false) {
5049 if ($instance_id)
5050 $instance_qpart = "id = '$instance_id' AND ";
5051 else
5052 $instance_qpart = "";
5053
5054 if (DB_TYPE == "pgsql") {
5055 $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
5056 } else {
5057 $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
5058 }
5059
5060 $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
5061 WHERE $instance_qpart $date_qpart ORDER BY last_connected");
5062
5063 while ($line = db_fetch_assoc($result)) {
5064 $id = $line['id'];
5065
5066 _debug("Updating: " . $line['access_url'] . " ($id)");
5067
5068 $fetch_url = $line['access_url'] . '/public.php?op=fbexport';
5069 $post_query = 'key=' . $line['access_key'];
5070
5071 $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
5072
5073 // try doing it the old way
5074 if (!$feeds) {
5075 $fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
5076 $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
5077 }
5078
5079 if ($feeds) {
5080 $feeds = json_decode($feeds, true);
5081
5082 if ($feeds) {
5083 if ($feeds['error']) {
5084 $status = $feeds['error']['code'] + 10;
5085 } else {
5086 $status = 1;
5087
5088 if (count($feeds['feeds']) > 0) {
5089
5090 db_query($link, "DELETE FROM ttrss_linked_feeds
5091 WHERE instance_id = '$id'");
5092
5093 foreach ($feeds['feeds'] as $feed) {
5094 $feed_url = db_escape_string($feed['feed_url']);
5095 $title = db_escape_string($feed['title']);
5096 $subscribers = db_escape_string($feed['subscribers']);
5097 $site_url = db_escape_string($feed['site_url']);
5098
5099 db_query($link, "INSERT INTO ttrss_linked_feeds
5100 (feed_url, site_url, title, subscribers, instance_id, created, updated)
5101 VALUES
5102 ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
5103 }
5104 } else {
5105 // received 0 feeds, this might indicate that
5106 // the instance on the other hand is rebuilding feedbrowser cache
5107 // we will try again later
5108
5109 // TODO: maybe perform expiration based on updated here?
5110 }
5111
5112 _debug("Processed " . count($feeds['feeds']) . " feeds.");
5113 }
5114 } else {
5115 $status = 2;
5116 }
5117
5118 } else {
5119 $status = 0;
5120 }
5121
5122 _debug("Status: $status");
5123
5124 db_query($link, "UPDATE ttrss_linked_instances SET
5125 last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
5126
5127 }
5128 }
5129
5130 function make_feed_browser($link, $search, $limit, $mode = 1) {
5131
5132 $owner_uid = $_SESSION["uid"];
5133 $rv = '';
5134
5135 if ($search) {
5136 $search_qpart = "AND (UPPER(feed_url) LIKE UPPER('%$search%') OR
5137 UPPER(title) LIKE UPPER('%$search%'))";
5138 } else {
5139 $search_qpart = "";
5140 }
5141
5142 if ($mode == 1) {
5143 /* $result = db_query($link, "SELECT feed_url, subscribers FROM
5144 ttrss_feedbrowser_cache WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5145 WHERE tf.feed_url = ttrss_feedbrowser_cache.feed_url
5146 AND owner_uid = '$owner_uid') $search_qpart
5147 ORDER BY subscribers DESC LIMIT $limit"); */
5148
5149 $result = db_query($link, "SELECT feed_url, site_url, title, SUM(subscribers) AS subscribers FROM
5150 (SELECT feed_url, site_url, title, subscribers FROM ttrss_feedbrowser_cache UNION ALL
5151 SELECT feed_url, site_url, title, subscribers FROM ttrss_linked_feeds) AS qqq
5152 WHERE
5153 (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5154 WHERE tf.feed_url = qqq.feed_url
5155 AND owner_uid = '$owner_uid') $search_qpart
5156 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT $limit");
5157
5158 } else if ($mode == 2) {
5159 $result = db_query($link, "SELECT *,
5160 (SELECT COUNT(*) FROM ttrss_user_entries WHERE
5161 orig_feed_id = ttrss_archived_feeds.id) AS articles_archived
5162 FROM
5163 ttrss_archived_feeds
5164 WHERE
5165 (SELECT COUNT(*) FROM ttrss_feeds
5166 WHERE ttrss_feeds.feed_url = ttrss_archived_feeds.feed_url AND
5167 owner_uid = '$owner_uid') = 0 AND
5168 owner_uid = '$owner_uid' $search_qpart
5169 ORDER BY id DESC LIMIT $limit");
5170 }
5171
5172 $feedctr = 0;
5173
5174 while ($line = db_fetch_assoc($result)) {
5175
5176 if ($mode == 1) {
5177
5178 $feed_url = htmlspecialchars($line["feed_url"]);
5179 $site_url = htmlspecialchars($line["site_url"]);
5180 $subscribers = $line["subscribers"];
5181
5182 $check_box = "<input onclick='toggleSelectListRow2(this)'
5183 dojoType=\"dijit.form.CheckBox\"
5184 type=\"checkbox\" \">";
5185
5186 $class = ($feedctr % 2) ? "even" : "odd";
5187
5188 $site_url = "<a target=\"_blank\"
5189 href=\"$site_url\">
5190 <span class=\"fb_feedTitle\">".
5191 htmlspecialchars($line["title"])."</span></a>";
5192
5193 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
5194 href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
5195 style='vertical-align : middle'></a>";
5196
5197 $rv .= "<li>$check_box $feed_url $site_url".
5198 "&nbsp;<span class='subscribers'>($subscribers)</span></li>";
5199
5200 } else if ($mode == 2) {
5201 $feed_url = htmlspecialchars($line["feed_url"]);
5202 $site_url = htmlspecialchars($line["site_url"]);
5203 $title = htmlspecialchars($line["title"]);
5204
5205 $check_box = "<input onclick='toggleSelectListRow2(this)' dojoType=\"dijit.form.CheckBox\"
5206 type=\"checkbox\">";
5207
5208 $class = ($feedctr % 2) ? "even" : "odd";
5209
5210 if ($line['articles_archived'] > 0) {
5211 $archived = sprintf(__("%d archived articles"), $line['articles_archived']);
5212 $archived = "&nbsp;<span class='subscribers'>($archived)</span>";
5213 } else {
5214 $archived = '';
5215 }
5216
5217 $site_url = "<a target=\"_blank\"
5218 href=\"$site_url\">
5219 <span class=\"fb_feedTitle\">".
5220 htmlspecialchars($line["title"])."</span></a>";
5221
5222 $feed_url = "<a target=\"_blank\" class=\"fb_feedUrl\"
5223 href=\"$feed_url\"><img src='images/feed-icon-12x12.png'
5224 style='vertical-align : middle'></a>";
5225
5226
5227 $rv .= "<li id=\"FBROW-".$line["id"]."\">".
5228 "$check_box $feed_url $site_url $archived</li>";
5229 }
5230
5231 ++$feedctr;
5232 }
5233
5234 if ($feedctr == 0) {
5235 $rv .= "<li style=\"text-align : center\"><p>".__('No feeds found.')."</p></li>";
5236 }
5237
5238 return $rv;
5239 }
5240
5241 if (!function_exists('gzdecode')) {
5242 function gzdecode($string) { // no support for 2nd argument
5243 return file_get_contents('compress.zlib://data:who/cares;base64,'.
5244 base64_encode($string));
5245 }
5246 }
5247
5248 function perform_data_import($link, $filename, $owner_uid) {
5249
5250 $num_imported = 0;
5251 $num_processed = 0;
5252 $num_feeds_created = 0;
5253
5254 $doc = @DOMDocument::load($filename);
5255
5256 if (!$doc) {
5257 $contents = file_get_contents($filename);
5258
5259 if ($contents) {
5260 $data = @gzuncompress($contents);
5261 }
5262
5263 if (!$data) {
5264 $data = @gzdecode($contents);
5265 }
5266
5267 if ($data)
5268 $doc = DOMDocument::loadXML($data);
5269 }
5270
5271 if ($doc) {
5272
5273 $xpath = new DOMXpath($doc);
5274
5275 $container = $doc->firstChild;
5276
5277 if ($container && $container->hasAttribute('schema-version')) {
5278 $schema_version = $container->getAttribute('schema-version');
5279
5280 if ($schema_version != SCHEMA_VERSION) {
5281 print "<p>" .__("Could not import: incorrect schema version.") . "</p>";
5282 return;
5283 }
5284
5285 } else {
5286 print "<p>" . __("Could not import: unrecognized document format.") . "</p>";
5287 return;
5288 }
5289
5290 $articles = $xpath->query("//article");
5291
5292 foreach ($articles as $article_node) {
5293 if ($article_node->childNodes) {
5294
5295 $ref_id = 0;
5296
5297 $article = array();
5298
5299 foreach ($article_node->childNodes as $child) {
5300 if ($child->nodeName != 'label_cache')
5301 $article[$child->nodeName] = db_escape_string($child->nodeValue);
5302 else
5303 $article[$child->nodeName] = $child->nodeValue;
5304 }
5305
5306 //print_r($article);
5307
5308 if ($article['guid']) {
5309
5310 ++$num_processed;
5311
5312 //db_query($link, "BEGIN");
5313
5314 //print 'GUID:' . $article['guid'] . "\n";
5315
5316 $result = db_query($link, "SELECT id FROM ttrss_entries
5317 WHERE guid = '".$article['guid']."'");
5318
5319 if (db_num_rows($result) == 0) {
5320
5321 $result = db_query($link,
5322 "INSERT INTO ttrss_entries
5323 (title,
5324 guid,
5325 link,
5326 updated,
5327 content,
5328 content_hash,
5329 no_orig_date,
5330 date_updated,
5331 date_entered,
5332 comments,
5333 num_comments,
5334 author)
5335 VALUES
5336 ('".$article['title']."',
5337 '".$article['guid']."',
5338 '".$article['link']."',
5339 '".$article['updated']."',
5340 '".$article['content']."',
5341 '".sha1($article['content'])."',
5342 false,
5343 NOW(),
5344 NOW(),
5345 '',
5346 '0',
5347 '')");
5348
5349 $result = db_query($link, "SELECT id FROM ttrss_entries
5350 WHERE guid = '".$article['guid']."'");
5351
5352 if (db_num_rows($result) != 0) {
5353 $ref_id = db_fetch_result($result, 0, "id");
5354 }
5355
5356 } else {
5357 $ref_id = db_fetch_result($result, 0, "id");
5358 }
5359
5360 //print "Got ref ID: $ref_id\n";
5361
5362 if ($ref_id) {
5363
5364 $feed_url = $article['feed_url'];
5365 $feed_title = $article['feed_title'];
5366
5367 $feed = 'NULL';
5368
5369 if ($feed_url && $feed_title) {
5370 $result = db_query($link, "SELECT id FROM ttrss_feeds
5371 WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
5372
5373 if (db_num_rows($result) != 0) {
5374 $feed = db_fetch_result($result, 0, "id");
5375 } else {
5376 // try autocreating feed in Uncategorized...
5377
5378 $result = db_query($link, "INSERT INTO ttrss_feeds (owner_uid,
5379 feed_url, title) VALUES ($owner_uid, '$feed_url', '$feed_title')");
5380
5381 $result = db_query($link, "SELECT id FROM ttrss_feeds
5382 WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
5383
5384 if (db_num_rows($result) != 0) {
5385 ++$num_feeds_created;
5386
5387 $feed = db_fetch_result($result, 0, "id");
5388 }
5389 }
5390 }
5391
5392 if ($feed != 'NULL')
5393 $feed_qpart = "feed_id = $feed";
5394 else
5395 $feed_qpart = "feed_id IS NULL";
5396
5397 //print "$ref_id / $feed / " . $article['title'] . "\n";
5398
5399 $result = db_query($link, "SELECT int_id FROM ttrss_user_entries
5400 WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND $feed_qpart");
5401
5402 if (db_num_rows($result) == 0) {
5403
5404 $marked = bool_to_sql_bool(sql_bool_to_bool($article['marked']));
5405 $published = bool_to_sql_bool(sql_bool_to_bool($article['published']));
5406 $score = (int) $article['score'];
5407
5408 $tag_cache = $article['tag_cache'];
5409 $label_cache = db_escape_string($article['label_cache']);
5410 $note = $article['note'];
5411
5412 //print "Importing " . $article['title'] . "<br/>";
5413
5414 ++$num_imported;
5415
5416 $result = db_query($link,
5417 "INSERT INTO ttrss_user_entries
5418 (ref_id, owner_uid, feed_id, unread, last_read, marked,
5419 published, score, tag_cache, label_cache, uuid, note)
5420 VALUES ($ref_id, $owner_uid, $feed, false,
5421 NULL, $marked, $published, $score, '$tag_cache',
5422 '$label_cache', '', '$note')");
5423
5424 $label_cache = json_decode($label_cache, true);
5425
5426 if (is_array($label_cache) && $label_cache["no-labels"] != 1) {
5427 foreach ($label_cache as $label) {
5428
5429 label_create($link, $label[1],
5430 $label[2], $label[3], $owner_uid);
5431
5432 label_add_article($link, $ref_id, $label[1], $owner_uid);
5433
5434 }
5435 }
5436
5437 //db_query($link, "COMMIT");
5438 }
5439 }
5440 }
5441 }
5442 }
5443
5444 print "<p>" .
5445 T_sprintf("Finished: %d articles processed, %d imported, %d feeds created.",
5446 $num_processed, $num_imported, $num_feeds_created) .
5447 "</p>";
5448
5449 } else {
5450
5451 print "<p>" . __("Could not load XML document.") . "</p>";
5452
5453 }
5454 }
5455
5456 function get_random_bytes($length) {
5457 if (function_exists('openssl_random_pseudo_bytes')) {
5458 return openssl_random_pseudo_bytes($length);
5459 } else {
5460 $output = "";
5461
5462 for ($i = 0; $i < $length; $i++)
5463 $output .= chr(mt_rand(0, 255));
5464
5465 return $output;
5466 }
5467 }
5468 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/