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