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Fixing bugs found by static analysis
[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 120);
4
5 define('LABEL_BASE_INDEX', -1024);
6 define('PLUGIN_FEED_BASE_INDEX', -128);
7
8 define('COOKIE_LIFETIME_LONG', 86400*365);
9
10 $fetch_last_error = false;
11 $fetch_last_error_code = false;
12 $fetch_last_content_type = false;
13 $fetch_curl_used = false;
14
15 mb_internal_encoding("UTF-8");
16 date_default_timezone_set('UTC');
17 if (defined('E_DEPRECATED')) {
18 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
19 } else {
20 error_reporting(E_ALL & ~E_NOTICE);
21 }
22
23 require_once 'config.php';
24
25 /**
26 * Define a constant if not already defined
27 *
28 * @param string $name The constant name.
29 * @param mixed $value The constant value.
30 * @access public
31 * @return boolean True if defined successfully or not.
32 */
33 function define_default($name, $value) {
34 defined($name) or define($name, $value);
35 }
36
37 ///// Some defaults that you can override in config.php //////
38
39 define_default('FEED_FETCH_TIMEOUT', 45);
40 // How may seconds to wait for response when requesting feed from a site
41 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
42 // How may seconds to wait for response when requesting feed from a
43 // site when that feed wasn't cached before
44 define_default('FILE_FETCH_TIMEOUT', 45);
45 // Default timeout when fetching files from remote sites
46 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
47 // How many seconds to wait for initial response from website when
48 // fetching files from remote sites
49
50 if (DB_TYPE == "pgsql") {
51 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
52 } else {
53 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
54 }
55
56 /**
57 * Return available translations names.
58 *
59 * @access public
60 * @return array A array of available translations.
61 */
62 function get_translations() {
63 $tr = array(
64 "auto" => "Detect automatically",
65 "ca_CA" => "Català",
66 "cs_CZ" => "Česky",
67 "en_US" => "English",
68 "es_ES" => "Español",
69 "de_DE" => "Deutsch",
70 "fr_FR" => "Français",
71 "hu_HU" => "Magyar (Hungarian)",
72 "it_IT" => "Italiano",
73 "ja_JP" => "日本語 (Japanese)",
74 "lv_LV" => "Latviešu",
75 "nb_NO" => "Norwegian bokmål",
76 "nl_NL" => "Dutch",
77 "pl_PL" => "Polski",
78 "ru_RU" => "Русский",
79 "pt_BR" => "Portuguese/Brazil",
80 "zh_CN" => "Simplified Chinese",
81 "sv_SE" => "Svenska",
82 "fi_FI" => "Suomi");
83
84 return $tr;
85 }
86
87 require_once "lib/accept-to-gettext.php";
88 require_once "lib/gettext/gettext.inc";
89
90
91 function startup_gettext() {
92
93 # Get locale from Accept-Language header
94 $lang = al2gt(array_keys(get_translations()), "text/html");
95
96 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
97 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
98 }
99
100 if ($_SESSION["uid"] && get_schema_version() >= 120) {
101 $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
102
103 if ($pref_lang) {
104 $lang = $pref_lang;
105 }
106 }
107
108 if ($lang) {
109 if (defined('LC_MESSAGES')) {
110 _setlocale(LC_MESSAGES, $lang);
111 } else if (defined('LC_ALL')) {
112 _setlocale(LC_ALL, $lang);
113 }
114
115 _bindtextdomain("messages", "locale");
116
117 _textdomain("messages");
118 _bind_textdomain_codeset("messages", "UTF-8");
119 }
120 }
121
122 require_once 'db-prefs.php';
123 require_once 'version.php';
124 require_once 'ccache.php';
125 require_once 'labels.php';
126
127 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
128 ini_set('user_agent', SELF_USER_AGENT);
129
130 require_once 'lib/pubsubhubbub/publisher.php';
131
132 $schema_version = false;
133
134 /**
135 * Print a timestamped debug message.
136 *
137 * @param string $msg The debug message.
138 * @return void
139 */
140 function _debug($msg, $show = true) {
141
142 $ts = strftime("%H:%M:%S", time());
143 if (function_exists('posix_getpid')) {
144 $ts = "$ts/" . posix_getpid();
145 }
146
147 if ($show && !(defined('QUIET') && QUIET)) {
148 print "[$ts] $msg\n";
149 }
150
151 if (defined('LOGFILE')) {
152 $fp = fopen(LOGFILE, 'a+');
153
154 if ($fp) {
155 fputs($fp, "[$ts] $msg\n");
156 fclose($fp);
157 }
158 }
159
160 } // function _debug
161
162 /**
163 * Purge a feed old posts.
164 *
165 * @param mixed $link A database connection.
166 * @param mixed $feed_id The id of the purged feed.
167 * @param mixed $purge_interval Olderness of purged posts.
168 * @param boolean $debug Set to True to enable the debug. False by default.
169 * @access public
170 * @return void
171 */
172 function purge_feed($feed_id, $purge_interval, $debug = false) {
173
174 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
175
176 $rows = -1;
177
178 $result = db_query(
179 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
180
181 $owner_uid = false;
182
183 if (db_num_rows($result) == 1) {
184 $owner_uid = db_fetch_result($result, 0, "owner_uid");
185 }
186
187 if ($purge_interval == -1 || !$purge_interval) {
188 if ($owner_uid) {
189 ccache_update($feed_id, $owner_uid);
190 }
191 return;
192 }
193
194 if (!$owner_uid) return;
195
196 if (FORCE_ARTICLE_PURGE == 0) {
197 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
198 $owner_uid, false);
199 } else {
200 $purge_unread = true;
201 $purge_interval = FORCE_ARTICLE_PURGE;
202 }
203
204 if (!$purge_unread) $query_limit = " unread = false AND ";
205
206 if (DB_TYPE == "pgsql") {
207 $pg_version = get_pgsql_version();
208
209 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
210
211 $result = db_query("DELETE FROM ttrss_user_entries WHERE
212 ttrss_entries.id = ref_id AND
213 marked = false AND
214 feed_id = '$feed_id' AND
215 $query_limit
216 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
217
218 } else {
219
220 $result = db_query("DELETE FROM ttrss_user_entries
221 USING ttrss_entries
222 WHERE ttrss_entries.id = ref_id AND
223 marked = false AND
224 feed_id = '$feed_id' AND
225 $query_limit
226 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
227 }
228
229 } else {
230
231 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
232 marked = false AND feed_id = '$feed_id' AND
233 (SELECT date_updated FROM ttrss_entries WHERE
234 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
235
236 $result = db_query("DELETE FROM ttrss_user_entries
237 USING ttrss_user_entries, ttrss_entries
238 WHERE ttrss_entries.id = ref_id AND
239 marked = false AND
240 feed_id = '$feed_id' AND
241 $query_limit
242 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
243 }
244
245 $rows = db_affected_rows($result);
246
247 ccache_update($feed_id, $owner_uid);
248
249 if ($debug) {
250 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
251 }
252
253 return $rows;
254 } // function purge_feed
255
256 function feed_purge_interval($feed_id) {
257
258 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
259 WHERE id = '$feed_id'");
260
261 if (db_num_rows($result) == 1) {
262 $purge_interval = db_fetch_result($result, 0, "purge_interval");
263 $owner_uid = db_fetch_result($result, 0, "owner_uid");
264
265 if ($purge_interval == 0) $purge_interval = get_pref(
266 'PURGE_OLD_DAYS', $owner_uid);
267
268 return $purge_interval;
269
270 } else {
271 return -1;
272 }
273 }
274
275 function purge_orphans($do_output = false) {
276
277 // purge orphaned posts in main content table
278 $result = db_query("DELETE FROM ttrss_entries WHERE
279 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
280
281 if ($do_output) {
282 $rows = db_affected_rows($result);
283 _debug("Purged $rows orphaned posts.");
284 }
285 }
286
287 function get_feed_update_interval($feed_id) {
288 $result = db_query("SELECT owner_uid, update_interval FROM
289 ttrss_feeds WHERE id = '$feed_id'");
290
291 if (db_num_rows($result) == 1) {
292 $update_interval = db_fetch_result($result, 0, "update_interval");
293 $owner_uid = db_fetch_result($result, 0, "owner_uid");
294
295 if ($update_interval != 0) {
296 return $update_interval;
297 } else {
298 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
299 }
300
301 } else {
302 return -1;
303 }
304 }
305
306 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
307
308 global $fetch_last_error;
309 global $fetch_last_error_code;
310 global $fetch_last_content_type;
311 global $fetch_curl_used;
312
313 $url = str_replace(' ', '%20', $url);
314
315 if (!defined('NO_CURL') && function_exists('curl_init')) {
316
317 $fetch_curl_used = true;
318
319 if (ini_get("safe_mode") || ini_get("open_basedir")) {
320 $ch = curl_init(geturl($url));
321 } else {
322 $ch = curl_init($url);
323 }
324
325 if ($timestamp && !$post_query) {
326 curl_setopt($ch, CURLOPT_HTTPHEADER,
327 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
328 }
329
330 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
331 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
332 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
333 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
334 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
335 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
336 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
337 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
338 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
339 curl_setopt($ch, CURLOPT_ENCODING, "");
340 curl_setopt($ch, CURLOPT_REFERER, $url);
341
342 if ($post_query) {
343 curl_setopt($ch, CURLOPT_POST, true);
344 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
345 }
346
347 if ($login && $pass)
348 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
349
350 $contents = @curl_exec($ch);
351
352 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
353 curl_setopt($ch, CURLOPT_ENCODING, 'none');
354 $contents = @curl_exec($ch);
355 }
356
357 if ($contents === false) {
358 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
359 curl_close($ch);
360 return false;
361 }
362
363 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
364 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
365
366 $fetch_last_error_code = $http_code;
367
368 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
369 if (curl_errno($ch) != 0) {
370 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
371 } else {
372 $fetch_last_error = "HTTP Code: $http_code";
373 }
374 curl_close($ch);
375 return false;
376 }
377
378 curl_close($ch);
379
380 return $contents;
381 } else {
382
383 $fetch_curl_used = false;
384
385 if ($login && $pass){
386 $url_parts = array();
387
388 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
389
390 $pass = urlencode($pass);
391
392 if ($url_parts[1] && $url_parts[2]) {
393 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
394 }
395 }
396
397 if (!$post_query && $timestamp) {
398 $context = stream_context_create(array(
399 'http' => array(
400 'method' => 'GET',
401 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
402 )));
403 } else {
404 $context = NULL;
405 }
406
407 $old_error = error_get_last();
408
409 $data = @file_get_contents($url, false, $context);
410
411 $fetch_last_content_type = false; // reset if no type was sent from server
412 if (isset($http_response_header) && is_array($http_response_header)) {
413 foreach ($http_response_header as $h) {
414 if (substr(strtolower($h), 0, 13) == 'content-type:') {
415 $fetch_last_content_type = substr($h, 14);
416 // don't abort here b/c there might be more than one
417 // e.g. if we were being redirected -- last one is the right one
418 }
419
420 if (substr(strtolower($h), 0, 7) == 'http/1.') {
421 $fetch_last_error_code = (int) substr($h, 9, 3);
422 }
423 }
424 }
425
426 if (!$data) {
427 $error = error_get_last();
428
429 if ($error['message'] != $old_error['message']) {
430 $fetch_last_error = $error["message"];
431 } else {
432 $fetch_last_error = "HTTP Code: $fetch_last_error_code";
433 }
434 }
435 return $data;
436 }
437
438 }
439
440 /**
441 * Try to determine the favicon URL for a feed.
442 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
443 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
444 *
445 * @param string $url A feed or page URL
446 * @access public
447 * @return mixed The favicon URL, or false if none was found.
448 */
449 function get_favicon_url($url) {
450
451 $favicon_url = false;
452
453 if ($html = @fetch_file_contents($url)) {
454
455 libxml_use_internal_errors(true);
456
457 $doc = new DOMDocument();
458 $doc->loadHTML($html);
459 $xpath = new DOMXPath($doc);
460
461 $base = $xpath->query('/html/head/base');
462 foreach ($base as $b) {
463 $url = $b->getAttribute("href");
464 break;
465 }
466
467 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
468 if (count($entries) > 0) {
469 foreach ($entries as $entry) {
470 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
471 break;
472 }
473 }
474 }
475
476 if (!$favicon_url)
477 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
478
479 return $favicon_url;
480 } // function get_favicon_url
481
482 function check_feed_favicon($site_url, $feed) {
483 # print "FAVICON [$site_url]: $favicon_url\n";
484
485 $icon_file = ICONS_DIR . "/$feed.ico";
486
487 if (!file_exists($icon_file)) {
488 $favicon_url = get_favicon_url($site_url);
489
490 if ($favicon_url) {
491 // Limiting to "image" type misses those served with text/plain
492 $contents = fetch_file_contents($favicon_url); // , "image");
493
494 if ($contents) {
495 // Crude image type matching.
496 // Patterns gleaned from the file(1) source code.
497 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
498 // 0 string \000\000\001\000 MS Windows icon resource
499 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
500 }
501 elseif (preg_match('/^GIF8/', $contents)) {
502 // 0 string GIF8 GIF image data
503 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
504 }
505 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
506 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
507 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
508 }
509 elseif (preg_match('/^\xff\xd8/', $contents)) {
510 // 0 beshort 0xffd8 JPEG image data
511 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
512 }
513 else {
514 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
515 $contents = "";
516 }
517 }
518
519 if ($contents) {
520 $fp = @fopen($icon_file, "w");
521
522 if ($fp) {
523 fwrite($fp, $contents);
524 fclose($fp);
525 chmod($icon_file, 0644);
526 }
527 }
528 }
529 return $icon_file;
530 }
531 }
532
533 function print_select($id, $default, $values, $attributes = "") {
534 print "<select name=\"$id\" id=\"$id\" $attributes>";
535 foreach ($values as $v) {
536 if ($v == $default)
537 $sel = "selected=\"1\"";
538 else
539 $sel = "";
540
541 $v = trim($v);
542
543 print "<option value=\"$v\" $sel>$v</option>";
544 }
545 print "</select>";
546 }
547
548 function print_select_hash($id, $default, $values, $attributes = "") {
549 print "<select name=\"$id\" id='$id' $attributes>";
550 foreach (array_keys($values) as $v) {
551 if ($v == $default)
552 $sel = 'selected="selected"';
553 else
554 $sel = "";
555
556 $v = trim($v);
557
558 print "<option $sel value=\"$v\">".$values[$v]."</option>";
559 }
560
561 print "</select>";
562 }
563
564 function print_radio($id, $default, $true_is, $values, $attributes = "") {
565 foreach ($values as $v) {
566
567 if ($v == $default)
568 $sel = "checked";
569 else
570 $sel = "";
571
572 if ($v == $true_is) {
573 $sel .= " value=\"1\"";
574 } else {
575 $sel .= " value=\"0\"";
576 }
577
578 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
579 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
580
581 }
582 }
583
584 function initialize_user_prefs($uid, $profile = false) {
585
586 $uid = db_escape_string($uid);
587
588 if (!$profile) {
589 $profile = "NULL";
590 $profile_qpart = "AND profile IS NULL";
591 } else {
592 $profile_qpart = "AND profile = '$profile'";
593 }
594
595 if (get_schema_version() < 63) $profile_qpart = "";
596
597 db_query("BEGIN");
598
599 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
600
601 $u_result = db_query("SELECT pref_name
602 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
603
604 $active_prefs = array();
605
606 while ($line = db_fetch_assoc($u_result)) {
607 array_push($active_prefs, $line["pref_name"]);
608 }
609
610 while ($line = db_fetch_assoc($result)) {
611 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
612 // print "adding " . $line["pref_name"] . "<br>";
613
614 $line["def_value"] = db_escape_string($line["def_value"]);
615 $line["pref_name"] = db_escape_string($line["pref_name"]);
616
617 if (get_schema_version() < 63) {
618 db_query("INSERT INTO ttrss_user_prefs
619 (owner_uid,pref_name,value) VALUES
620 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
621
622 } else {
623 db_query("INSERT INTO ttrss_user_prefs
624 (owner_uid,pref_name,value, profile) VALUES
625 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
626 }
627
628 }
629 }
630
631 db_query("COMMIT");
632
633 }
634
635 function get_ssl_certificate_id() {
636 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
637 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
638 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
639 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
640 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
641 }
642 return "";
643 }
644
645 function authenticate_user($login, $password, $check_only = false) {
646
647 if (!SINGLE_USER_MODE) {
648 $user_id = false;
649
650 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
651
652 $user_id = (int) $plugin->authenticate($login, $password);
653
654 if ($user_id) {
655 $_SESSION["auth_module"] = strtolower(get_class($plugin));
656 break;
657 }
658 }
659
660 if ($user_id && !$check_only) {
661 @session_start();
662
663 $_SESSION["uid"] = $user_id;
664 $_SESSION["version"] = VERSION_STATIC;
665
666 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
667 WHERE id = '$user_id'");
668
669 $_SESSION["name"] = db_fetch_result($result, 0, "login");
670 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
671 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
672
673 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
674 $_SESSION["uid"]);
675
676 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
677 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
678 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
679
680 $_SESSION["last_version_check"] = time();
681
682 initialize_user_prefs($_SESSION["uid"]);
683
684 return true;
685 }
686
687 return false;
688
689 } else {
690
691 $_SESSION["uid"] = 1;
692 $_SESSION["name"] = "admin";
693 $_SESSION["access_level"] = 10;
694
695 $_SESSION["hide_hello"] = true;
696 $_SESSION["hide_logout"] = true;
697
698 $_SESSION["auth_module"] = false;
699
700 if (!$_SESSION["csrf_token"]) {
701 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
702 }
703
704 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
705
706 initialize_user_prefs($_SESSION["uid"]);
707
708 return true;
709 }
710 }
711
712 function make_password($length = 8) {
713
714 $password = "";
715 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
716
717 $i = 0;
718
719 while ($i < $length) {
720 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
721
722 if (!strstr($password, $char)) {
723 $password .= $char;
724 $i++;
725 }
726 }
727 return $password;
728 }
729
730 // this is called after user is created to initialize default feeds, labels
731 // or whatever else
732
733 // user preferences are checked on every login, not here
734
735 function initialize_user($uid) {
736
737 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
738 values ('$uid', 'Tiny Tiny RSS: New Releases',
739 'http://tt-rss.org/releases.rss')");
740
741 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
742 values ('$uid', 'Tiny Tiny RSS: Forum',
743 'http://tt-rss.org/forum/rss.php')");
744 }
745
746 function logout_user() {
747 session_destroy();
748 if (isset($_COOKIE[session_name()])) {
749 setcookie(session_name(), '', time()-42000, '/');
750 }
751 }
752
753 function validate_csrf($csrf_token) {
754 return $csrf_token == $_SESSION['csrf_token'];
755 }
756
757 function load_user_plugins($owner_uid) {
758 if ($owner_uid) {
759 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
760
761 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
762
763 if (get_schema_version() > 100) {
764 PluginHost::getInstance()->load_data();
765 }
766 }
767 }
768
769 function login_sequence() {
770 if (SINGLE_USER_MODE) {
771 @session_start();
772 authenticate_user("admin", null);
773 load_user_plugins($_SESSION["uid"]);
774 } else {
775 if (!validate_session()) $_SESSION["uid"] = false;
776
777 if (!$_SESSION["uid"]) {
778
779 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
780 $_SESSION["ref_schema_version"] = get_schema_version(true);
781 } else {
782 authenticate_user(null, null, true);
783 }
784
785 if (!$_SESSION["uid"]) {
786 @session_destroy();
787 setcookie(session_name(), '', time()-42000, '/');
788
789 render_login_form();
790 exit;
791 }
792
793 } else {
794 /* bump login timestamp */
795 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
796 $_SESSION["uid"]);
797 $_SESSION["last_login_update"] = time();
798 }
799
800 if ($_SESSION["uid"]) {
801 startup_gettext();
802 load_user_plugins($_SESSION["uid"]);
803
804 /* cleanup ccache */
805
806 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
807 $_SESSION["uid"] . " AND
808 (SELECT COUNT(id) FROM ttrss_feeds WHERE
809 ttrss_feeds.id = feed_id) = 0");
810
811 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
812 $_SESSION["uid"] . " AND
813 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
814 ttrss_feed_categories.id = feed_id) = 0");
815
816 }
817
818 }
819 }
820
821 function truncate_string($str, $max_len, $suffix = '&hellip;') {
822 if (mb_strlen($str, "utf-8") > $max_len - 3) {
823 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
824 } else {
825 return $str;
826 }
827 }
828
829 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
830
831 try {
832 $source_tz = new DateTimeZone($source_tz);
833 } catch (Exception $e) {
834 $source_tz = new DateTimeZone('UTC');
835 }
836
837 try {
838 $dest_tz = new DateTimeZone($dest_tz);
839 } catch (Exception $e) {
840 $dest_tz = new DateTimeZone('UTC');
841 }
842
843 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
844 return $dt->format('U') + $dest_tz->getOffset($dt);
845 }
846
847 function make_local_datetime($timestamp, $long, $owner_uid = false,
848 $no_smart_dt = false) {
849
850 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
851 if (!$timestamp) $timestamp = '1970-01-01 0:00';
852
853 global $utc_tz;
854 global $user_tz;
855
856 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
857
858 $timestamp = substr($timestamp, 0, 19);
859
860 # We store date in UTC internally
861 $dt = new DateTime($timestamp, $utc_tz);
862
863 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
864
865 if ($user_tz_string != 'Automatic') {
866
867 try {
868 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
869 } catch (Exception $e) {
870 $user_tz = $utc_tz;
871 }
872
873 $tz_offset = $user_tz->getOffset($dt);
874 } else {
875 $tz_offset = (int) -$_SESSION["clientTzOffset"];
876 }
877
878 $user_timestamp = $dt->format('U') + $tz_offset;
879
880 if (!$no_smart_dt) {
881 return smart_date_time($user_timestamp,
882 $tz_offset, $owner_uid);
883 } else {
884 if ($long)
885 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
886 else
887 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
888
889 return date($format, $user_timestamp);
890 }
891 }
892
893 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
894 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
895
896 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
897 return date("G:i", $timestamp);
898 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
899 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
900 return date($format, $timestamp);
901 } else {
902 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
903 return date($format, $timestamp);
904 }
905 }
906
907 function sql_bool_to_bool($s) {
908 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
909 return true;
910 } else {
911 return false;
912 }
913 }
914
915 function bool_to_sql_bool($s) {
916 if ($s) {
917 return "true";
918 } else {
919 return "false";
920 }
921 }
922
923 // Session caching removed due to causing wrong redirects to upgrade
924 // script when get_schema_version() is called on an obsolete session
925 // created on a previous schema version.
926 function get_schema_version($nocache = false) {
927 global $schema_version;
928
929 if (!$schema_version && !$nocache) {
930 $result = db_query("SELECT schema_version FROM ttrss_version");
931 $version = db_fetch_result($result, 0, "schema_version");
932 $schema_version = $version;
933 return $version;
934 } else {
935 return $schema_version;
936 }
937 }
938
939 function sanity_check() {
940 require_once 'errors.php';
941
942 $error_code = 0;
943 $schema_version = get_schema_version(true);
944
945 if ($schema_version != SCHEMA_VERSION) {
946 $error_code = 5;
947 }
948
949 if (DB_TYPE == "mysql") {
950 $result = db_query("SELECT true", false);
951 if (db_num_rows($result) != 1) {
952 $error_code = 10;
953 }
954 }
955
956 if (db_escape_string("testTEST") != "testTEST") {
957 $error_code = 12;
958 }
959
960 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
961 }
962
963 function file_is_locked($filename) {
964 if (function_exists('flock')) {
965 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
966 if ($fp) {
967 if (flock($fp, LOCK_EX | LOCK_NB)) {
968 flock($fp, LOCK_UN);
969 fclose($fp);
970 return false;
971 }
972 fclose($fp);
973 return true;
974 } else {
975 return false;
976 }
977 }
978 return true; // consider the file always locked and skip the test
979 }
980
981 function make_lockfile($filename) {
982 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
983
984 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
985 if (function_exists('posix_getpid')) {
986 fwrite($fp, posix_getpid() . "\n");
987 }
988 return $fp;
989 } else {
990 return false;
991 }
992 }
993
994 function make_stampfile($filename) {
995 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
996
997 if (flock($fp, LOCK_EX | LOCK_NB)) {
998 fwrite($fp, time() . "\n");
999 flock($fp, LOCK_UN);
1000 fclose($fp);
1001 return true;
1002 } else {
1003 return false;
1004 }
1005 }
1006
1007 function sql_random_function() {
1008 if (DB_TYPE == "mysql") {
1009 return "RAND()";
1010 } else {
1011 return "RANDOM()";
1012 }
1013 }
1014
1015 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1016
1017 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1018
1019 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1020
1021 // Todo: all this interval stuff needs some generic generator function
1022
1023 $date_qpart = "false";
1024
1025 switch ($mode) {
1026 case "1day":
1027 if (DB_TYPE == "pgsql") {
1028 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1029 } else {
1030 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1031 }
1032 break;
1033 case "1week":
1034 if (DB_TYPE == "pgsql") {
1035 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1036 } else {
1037 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1038 }
1039 break;
1040 case "2weeks":
1041 if (DB_TYPE == "pgsql") {
1042 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1043 } else {
1044 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1045 }
1046 break;
1047 default:
1048 $date_qpart = "true";
1049 }
1050
1051 if (is_numeric($feed)) {
1052 if ($cat_view) {
1053
1054 if ($feed >= 0) {
1055
1056 if ($feed > 0) {
1057 $children = getChildCategories($feed, $owner_uid);
1058 array_push($children, $feed);
1059
1060 $children = join(",", $children);
1061
1062 $cat_qpart = "cat_id IN ($children)";
1063 } else {
1064 $cat_qpart = "cat_id IS NULL";
1065 }
1066
1067 db_query("UPDATE ttrss_user_entries
1068 SET unread = false, last_read = NOW() WHERE ref_id IN
1069 (SELECT id FROM
1070 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1071 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1072 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1073
1074 } else if ($feed == -2) {
1075
1076 db_query("UPDATE ttrss_user_entries
1077 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1078 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1079 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1080 }
1081
1082 } else if ($feed > 0) {
1083
1084 db_query("UPDATE ttrss_user_entries
1085 SET unread = false, last_read = NOW() WHERE ref_id IN
1086 (SELECT id FROM
1087 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1088 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1089
1090 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1091
1092 if ($feed == -1) {
1093 db_query("UPDATE ttrss_user_entries
1094 SET unread = false, last_read = NOW() WHERE ref_id IN
1095 (SELECT id FROM
1096 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1097 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1098 }
1099
1100 if ($feed == -2) {
1101 db_query("UPDATE ttrss_user_entries
1102 SET unread = false, last_read = NOW() WHERE ref_id IN
1103 (SELECT id FROM
1104 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1105 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1106 }
1107
1108 if ($feed == -3) {
1109
1110 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1111
1112 if (DB_TYPE == "pgsql") {
1113 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1114 } else {
1115 $match_part = "date_entered > DATE_SUB(NOW(),
1116 INTERVAL $intl HOUR) ";
1117 }
1118
1119 db_query("UPDATE ttrss_user_entries
1120 SET unread = false, last_read = NOW() WHERE ref_id IN
1121 (SELECT id FROM
1122 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1123 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1124 }
1125
1126 if ($feed == -4) {
1127 db_query("UPDATE ttrss_user_entries
1128 SET unread = false, last_read = NOW() WHERE ref_id IN
1129 (SELECT id FROM
1130 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1131 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1132 }
1133
1134 } else if ($feed < LABEL_BASE_INDEX) { // label
1135
1136 $label_id = feed_to_label_id($feed);
1137
1138 db_query("UPDATE ttrss_user_entries
1139 SET unread = false, last_read = NOW() WHERE ref_id IN
1140 (SELECT id FROM
1141 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1142 AND label_id = '$label_id' AND ref_id = article_id
1143 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1144
1145 }
1146
1147 ccache_update($feed, $owner_uid, $cat_view);
1148
1149 } else { // tag
1150 db_query("UPDATE ttrss_user_entries
1151 SET unread = false, last_read = NOW() WHERE ref_id IN
1152 (SELECT id FROM
1153 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1154 AND post_int_id = int_id AND tag_name = '$feed'
1155 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1156
1157 }
1158 }
1159
1160 function getAllCounters() {
1161 $data = getGlobalCounters();
1162
1163 $data = array_merge($data, getVirtCounters());
1164 $data = array_merge($data, getLabelCounters());
1165 $data = array_merge($data, getFeedCounters());
1166 $data = array_merge($data, getCategoryCounters());
1167
1168 return $data;
1169 }
1170
1171 function getCategoryTitle($cat_id) {
1172
1173 if ($cat_id == -1) {
1174 return __("Special");
1175 } else if ($cat_id == -2) {
1176 return __("Labels");
1177 } else {
1178
1179 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1180 id = '$cat_id'");
1181
1182 if (db_num_rows($result) == 1) {
1183 return db_fetch_result($result, 0, "title");
1184 } else {
1185 return __("Uncategorized");
1186 }
1187 }
1188 }
1189
1190
1191 function getCategoryCounters() {
1192 $ret_arr = array();
1193
1194 /* Labels category */
1195
1196 $cv = array("id" => -2, "kind" => "cat",
1197 "counter" => getCategoryUnread(-2));
1198
1199 array_push($ret_arr, $cv);
1200
1201 $result = db_query("SELECT id AS cat_id, value AS unread,
1202 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1203 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1204 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1205 WHERE ttrss_cat_counters_cache.feed_id = id AND
1206 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1207 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1208
1209 while ($line = db_fetch_assoc($result)) {
1210 $line["cat_id"] = (int) $line["cat_id"];
1211
1212 if ($line["num_children"] > 0) {
1213 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1214 } else {
1215 $child_counter = 0;
1216 }
1217
1218 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1219 "counter" => $line["unread"] + $child_counter);
1220
1221 array_push($ret_arr, $cv);
1222 }
1223
1224 /* Special case: NULL category doesn't actually exist in the DB */
1225
1226 $cv = array("id" => 0, "kind" => "cat",
1227 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1228
1229 array_push($ret_arr, $cv);
1230
1231 return $ret_arr;
1232 }
1233
1234 // only accepts real cats (>= 0)
1235 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1236 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1237
1238 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1239 AND owner_uid = $owner_uid");
1240
1241 $unread = 0;
1242
1243 while ($line = db_fetch_assoc($result)) {
1244 $unread += getCategoryUnread($line["id"], $owner_uid);
1245 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1246 }
1247
1248 return $unread;
1249 }
1250
1251 function getCategoryUnread($cat, $owner_uid = false) {
1252
1253 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1254
1255 if ($cat >= 0) {
1256
1257 if ($cat != 0) {
1258 $cat_query = "cat_id = '$cat'";
1259 } else {
1260 $cat_query = "cat_id IS NULL";
1261 }
1262
1263 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1264 AND owner_uid = " . $owner_uid);
1265
1266 $cat_feeds = array();
1267 while ($line = db_fetch_assoc($result)) {
1268 array_push($cat_feeds, "feed_id = " . $line["id"]);
1269 }
1270
1271 if (count($cat_feeds) == 0) return 0;
1272
1273 $match_part = implode(" OR ", $cat_feeds);
1274
1275 $result = db_query("SELECT COUNT(int_id) AS unread
1276 FROM ttrss_user_entries
1277 WHERE unread = true AND ($match_part)
1278 AND owner_uid = " . $owner_uid);
1279
1280 $unread = 0;
1281
1282 # this needs to be rewritten
1283 while ($line = db_fetch_assoc($result)) {
1284 $unread += $line["unread"];
1285 }
1286
1287 return $unread;
1288 } else if ($cat == -1) {
1289 return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1290 } else if ($cat == -2) {
1291
1292 $result = db_query("
1293 SELECT COUNT(unread) AS unread FROM
1294 ttrss_user_entries, ttrss_user_labels2
1295 WHERE article_id = ref_id AND unread = true
1296 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1297
1298 $unread = db_fetch_result($result, 0, "unread");
1299
1300 return $unread;
1301
1302 }
1303 }
1304
1305 function getFeedUnread($feed, $is_cat = false) {
1306 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1307 }
1308
1309 function getLabelUnread($label_id, $owner_uid = false) {
1310 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1311
1312 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1313 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1314
1315 if (db_num_rows($result) != 0) {
1316 return db_fetch_result($result, 0, "unread");
1317 } else {
1318 return 0;
1319 }
1320 }
1321
1322 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1323 $owner_uid = false) {
1324
1325 $n_feed = (int) $feed;
1326 $need_entries = false;
1327
1328 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1329
1330 if ($unread_only) {
1331 $unread_qpart = "unread = true";
1332 } else {
1333 $unread_qpart = "true";
1334 }
1335
1336 if ($is_cat) {
1337 return getCategoryUnread($n_feed, $owner_uid);
1338 } else if ($n_feed == -6) {
1339 return 0;
1340 } else if ($feed != "0" && $n_feed == 0) {
1341
1342 $feed = db_escape_string($feed);
1343
1344 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1345 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1346 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1347 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1348 return db_fetch_result($result, 0, "count");
1349
1350 } else if ($n_feed == -1) {
1351 $match_part = "marked = true";
1352 } else if ($n_feed == -2) {
1353 $match_part = "published = true";
1354 } else if ($n_feed == -3) {
1355 $match_part = "unread = true AND score >= 0";
1356
1357 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1358
1359 if (DB_TYPE == "pgsql") {
1360 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1361 } else {
1362 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1363 }
1364
1365 $need_entries = true;
1366
1367 } else if ($n_feed == -4) {
1368 $match_part = "true";
1369 } else if ($n_feed >= 0) {
1370
1371 if ($n_feed != 0) {
1372 $match_part = "feed_id = '$n_feed'";
1373 } else {
1374 $match_part = "feed_id IS NULL";
1375 }
1376
1377 } else if ($feed < LABEL_BASE_INDEX) {
1378
1379 $label_id = feed_to_label_id($feed);
1380
1381 return getLabelUnread($label_id, $owner_uid);
1382
1383 }
1384
1385 if ($match_part) {
1386
1387 if ($need_entries) {
1388 $from_qpart = "ttrss_user_entries,ttrss_entries";
1389 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1390 } else {
1391 $from_qpart = "ttrss_user_entries";
1392 }
1393
1394 $query = "SELECT count(int_id) AS unread
1395 FROM $from_qpart WHERE
1396 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1397
1398 //echo "[$feed/$query]\n";
1399
1400 $result = db_query($query);
1401
1402 } else {
1403
1404 $result = db_query("SELECT COUNT(post_int_id) AS unread
1405 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1406 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1407 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1408 }
1409
1410 $unread = db_fetch_result($result, 0, "unread");
1411
1412 return $unread;
1413 }
1414
1415 function getGlobalUnread($user_id = false) {
1416
1417 if (!$user_id) {
1418 $user_id = $_SESSION["uid"];
1419 }
1420
1421 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1422 WHERE owner_uid = '$user_id' AND feed_id > 0");
1423
1424 $c_id = db_fetch_result($result, 0, "c_id");
1425
1426 return $c_id;
1427 }
1428
1429 function getGlobalCounters($global_unread = -1) {
1430 $ret_arr = array();
1431
1432 if ($global_unread == -1) {
1433 $global_unread = getGlobalUnread();
1434 }
1435
1436 $cv = array("id" => "global-unread",
1437 "counter" => (int) $global_unread);
1438
1439 array_push($ret_arr, $cv);
1440
1441 $result = db_query("SELECT COUNT(id) AS fn FROM
1442 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1443
1444 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1445
1446 $cv = array("id" => "subscribed-feeds",
1447 "counter" => (int) $subscribed_feeds);
1448
1449 array_push($ret_arr, $cv);
1450
1451 return $ret_arr;
1452 }
1453
1454 function getVirtCounters() {
1455
1456 $ret_arr = array();
1457
1458 for ($i = 0; $i >= -4; $i--) {
1459
1460 $count = getFeedUnread($i);
1461
1462 $cv = array("id" => $i,
1463 "counter" => (int) $count);
1464
1465 // if (get_pref('EXTENDED_FEEDLIST'))
1466 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1467
1468 array_push($ret_arr, $cv);
1469 }
1470
1471 $feeds = PluginHost::getInstance()->get_feeds(-1);
1472
1473 if (is_array($feeds)) {
1474 foreach ($feeds as $feed) {
1475 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1476 "counter" => $feed['sender']->get_unread($feed['id']));
1477 array_push($ret_arr, $cv);
1478 }
1479 }
1480
1481 return $ret_arr;
1482 }
1483
1484 function getLabelCounters($descriptions = false) {
1485
1486 $ret_arr = array();
1487
1488 $owner_uid = $_SESSION["uid"];
1489
1490 $result = db_query("SELECT id,caption,COUNT(unread) AS unread
1491 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1492 (ttrss_labels2.id = label_id)
1493 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true
1494 AND ttrss_user_entries.owner_uid = $owner_uid)
1495 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1496 ttrss_labels2.caption");
1497
1498 while ($line = db_fetch_assoc($result)) {
1499
1500 $id = label_to_feed_id($line["id"]);
1501
1502 $label_name = $line["caption"];
1503 $count = $line["unread"];
1504
1505 $cv = array("id" => $id,
1506 "counter" => (int) $count);
1507
1508 if ($descriptions)
1509 $cv["description"] = $label_name;
1510
1511 // if (get_pref('EXTENDED_FEEDLIST'))
1512 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1513
1514 array_push($ret_arr, $cv);
1515 }
1516
1517 return $ret_arr;
1518 }
1519
1520 function getFeedCounters($active_feed = false) {
1521
1522 $ret_arr = array();
1523
1524 $query = "SELECT ttrss_feeds.id,
1525 ttrss_feeds.title,
1526 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1527 last_error, value AS count
1528 FROM ttrss_feeds, ttrss_counters_cache
1529 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1530 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1531 AND ttrss_counters_cache.feed_id = id";
1532
1533 $result = db_query($query);
1534 $fctrs_modified = false;
1535
1536 while ($line = db_fetch_assoc($result)) {
1537
1538 $id = $line["id"];
1539 $count = $line["count"];
1540 $last_error = htmlspecialchars($line["last_error"]);
1541
1542 $last_updated = make_local_datetime($line['last_updated'], false);
1543
1544 $has_img = feed_has_icon($id);
1545
1546 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1547 $last_updated = '';
1548
1549 $cv = array("id" => $id,
1550 "updated" => $last_updated,
1551 "counter" => (int) $count,
1552 "has_img" => (int) $has_img);
1553
1554 if ($last_error)
1555 $cv["error"] = $last_error;
1556
1557 // if (get_pref('EXTENDED_FEEDLIST'))
1558 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1559
1560 if ($active_feed && $id == $active_feed)
1561 $cv["title"] = truncate_string($line["title"], 30);
1562
1563 array_push($ret_arr, $cv);
1564
1565 }
1566
1567 return $ret_arr;
1568 }
1569
1570 function get_pgsql_version() {
1571 $result = db_query("SELECT version() AS version");
1572 $version = explode(" ", db_fetch_result($result, 0, "version"));
1573 return $version[1];
1574 }
1575
1576 /**
1577 * @return array (code => Status code, message => error message if available)
1578 *
1579 * 0 - OK, Feed already exists
1580 * 1 - OK, Feed added
1581 * 2 - Invalid URL
1582 * 3 - URL content is HTML, no feeds available
1583 * 4 - URL content is HTML which contains multiple feeds.
1584 * Here you should call extractfeedurls in rpc-backend
1585 * to get all possible feeds.
1586 * 5 - Couldn't download the URL content.
1587 * 6 - Content is an invalid XML.
1588 */
1589 function subscribe_to_feed($url, $cat_id = 0,
1590 $auth_login = '', $auth_pass = '') {
1591
1592 global $fetch_last_error;
1593
1594 require_once "include/rssfuncs.php";
1595
1596 $url = fix_url($url);
1597
1598 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1599
1600 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1601
1602 if (!$contents) {
1603 return array("code" => 5, "message" => $fetch_last_error);
1604 }
1605
1606 if (is_html($contents)) {
1607 $feedUrls = get_feeds_from_html($url, $contents);
1608
1609 if (count($feedUrls) == 0) {
1610 return array("code" => 3);
1611 } else if (count($feedUrls) > 1) {
1612 return array("code" => 4, "feeds" => $feedUrls);
1613 }
1614 //use feed url as new URL
1615 $url = key($feedUrls);
1616 }
1617
1618 /* libxml_use_internal_errors(true);
1619 $doc = new DOMDocument();
1620 $doc->loadXML($contents);
1621 $error = libxml_get_last_error();
1622 libxml_clear_errors();
1623
1624 if ($error) {
1625 $error_message = format_libxml_error($error);
1626
1627 return array("code" => 6, "message" => $error_message);
1628 } */
1629
1630 if ($cat_id == "0" || !$cat_id) {
1631 $cat_qpart = "NULL";
1632 } else {
1633 $cat_qpart = "'$cat_id'";
1634 }
1635
1636 $result = db_query(
1637 "SELECT id FROM ttrss_feeds
1638 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1639
1640 if (strlen(FEED_CRYPT_KEY) > 0) {
1641 require_once "crypt.php";
1642 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1643 $auth_pass_encrypted = 'true';
1644 } else {
1645 $auth_pass_encrypted = 'false';
1646 }
1647
1648 $auth_pass = db_escape_string($auth_pass);
1649
1650 if (db_num_rows($result) == 0) {
1651 $result = db_query(
1652 "INSERT INTO ttrss_feeds
1653 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1654 VALUES ('".$_SESSION["uid"]."', '$url',
1655 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1656
1657 $result = db_query(
1658 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1659 AND owner_uid = " . $_SESSION["uid"]);
1660
1661 $feed_id = db_fetch_result($result, 0, "id");
1662
1663 if ($feed_id) {
1664 update_rss_feed($feed_id, true);
1665 }
1666
1667 return array("code" => 1);
1668 } else {
1669 return array("code" => 0);
1670 }
1671 }
1672
1673 function print_feed_select($id, $default_id = "",
1674 $attributes = "", $include_all_feeds = true,
1675 $root_id = false, $nest_level = 0) {
1676
1677 if (!$root_id) {
1678 print "<select id=\"$id\" name=\"$id\" $attributes>";
1679 if ($include_all_feeds) {
1680 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1681 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1682 }
1683 }
1684
1685 if (get_pref('ENABLE_FEED_CATS')) {
1686
1687 if ($root_id)
1688 $parent_qpart = "parent_cat = '$root_id'";
1689 else
1690 $parent_qpart = "parent_cat IS NULL";
1691
1692 $result = db_query("SELECT id,title,
1693 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1694 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1695 FROM ttrss_feed_categories
1696 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1697
1698 while ($line = db_fetch_assoc($result)) {
1699
1700 for ($i = 0; $i < $nest_level; $i++)
1701 $line["title"] = " - " . $line["title"];
1702
1703 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1704
1705 printf("<option $is_selected value='CAT:%d'>%s</option>",
1706 $line["id"], htmlspecialchars($line["title"]));
1707
1708 if ($line["num_children"] > 0)
1709 print_feed_select($id, $default_id, $attributes,
1710 $include_all_feeds, $line["id"], $nest_level+1);
1711
1712 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1713 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1714
1715 while ($fline = db_fetch_assoc($feed_result)) {
1716 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1717
1718 $fline["title"] = " + " . $fline["title"];
1719
1720 for ($i = 0; $i < $nest_level; $i++)
1721 $fline["title"] = " - " . $fline["title"];
1722
1723 printf("<option $is_selected value='%d'>%s</option>",
1724 $fline["id"], htmlspecialchars($fline["title"]));
1725 }
1726 }
1727
1728 if (!$root_id) {
1729 $default_is_cat = ($default_id == "CAT:0");
1730 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1731
1732 printf("<option $is_selected value='CAT:0'>%s</option>",
1733 __("Uncategorized"));
1734
1735 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1736 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1737
1738 while ($fline = db_fetch_assoc($feed_result)) {
1739 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1740
1741 $fline["title"] = " + " . $fline["title"];
1742
1743 for ($i = 0; $i < $nest_level; $i++)
1744 $fline["title"] = " - " . $fline["title"];
1745
1746 printf("<option $is_selected value='%d'>%s</option>",
1747 $fline["id"], htmlspecialchars($fline["title"]));
1748 }
1749 }
1750
1751 } else {
1752 $result = db_query("SELECT id,title FROM ttrss_feeds
1753 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1754
1755 while ($line = db_fetch_assoc($result)) {
1756
1757 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1758
1759 printf("<option $is_selected value='%d'>%s</option>",
1760 $line["id"], htmlspecialchars($line["title"]));
1761 }
1762 }
1763
1764 if (!$root_id) {
1765 print "</select>";
1766 }
1767 }
1768
1769 function print_feed_cat_select($id, $default_id,
1770 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1771
1772 if (!$root_id) {
1773 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1774 }
1775
1776 if ($root_id)
1777 $parent_qpart = "parent_cat = '$root_id'";
1778 else
1779 $parent_qpart = "parent_cat IS NULL";
1780
1781 $result = db_query("SELECT id,title,
1782 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1783 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1784 FROM ttrss_feed_categories
1785 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1786
1787 while ($line = db_fetch_assoc($result)) {
1788 if ($line["id"] == $default_id) {
1789 $is_selected = "selected=\"1\"";
1790 } else {
1791 $is_selected = "";
1792 }
1793
1794 for ($i = 0; $i < $nest_level; $i++)
1795 $line["title"] = " - " . $line["title"];
1796
1797 if ($line["title"])
1798 printf("<option $is_selected value='%d'>%s</option>",
1799 $line["id"], htmlspecialchars($line["title"]));
1800
1801 if ($line["num_children"] > 0)
1802 print_feed_cat_select($id, $default_id, $attributes,
1803 $include_all_cats, $line["id"], $nest_level+1);
1804 }
1805
1806 if (!$root_id) {
1807 if ($include_all_cats) {
1808 if (db_num_rows($result) > 0) {
1809 print "<option disabled=\"1\">--------</option>";
1810 }
1811
1812 if ($default_id == 0) {
1813 $is_selected = "selected=\"1\"";
1814 } else {
1815 $is_selected = "";
1816 }
1817
1818 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1819 }
1820 print "</select>";
1821 }
1822 }
1823
1824 function checkbox_to_sql_bool($val) {
1825 return ($val == "on") ? "true" : "false";
1826 }
1827
1828 function getFeedCatTitle($id) {
1829 if ($id == -1) {
1830 return __("Special");
1831 } else if ($id < LABEL_BASE_INDEX) {
1832 return __("Labels");
1833 } else if ($id > 0) {
1834 $result = db_query("SELECT ttrss_feed_categories.title
1835 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1836 cat_id = ttrss_feed_categories.id");
1837 if (db_num_rows($result) == 1) {
1838 return db_fetch_result($result, 0, "title");
1839 } else {
1840 return __("Uncategorized");
1841 }
1842 } else {
1843 return "getFeedCatTitle($id) failed";
1844 }
1845
1846 }
1847
1848 function getFeedIcon($id) {
1849 switch ($id) {
1850 case 0:
1851 return "images/archive.png";
1852 break;
1853 case -1:
1854 return "images/mark_set.svg";
1855 break;
1856 case -2:
1857 return "images/pub_set.svg";
1858 break;
1859 case -3:
1860 return "images/fresh.png";
1861 break;
1862 case -4:
1863 return "images/tag.png";
1864 break;
1865 case -6:
1866 return "images/recently_read.png";
1867 break;
1868 default:
1869 if ($id < LABEL_BASE_INDEX) {
1870 return "images/label.png";
1871 } else {
1872 if (file_exists(ICONS_DIR . "/$id.ico"))
1873 return ICONS_URL . "/$id.ico";
1874 }
1875 break;
1876 }
1877
1878 return false;
1879 }
1880
1881 function getFeedTitle($id, $cat = false) {
1882 if ($cat) {
1883 return getCategoryTitle($id);
1884 } else if ($id == -1) {
1885 return __("Starred articles");
1886 } else if ($id == -2) {
1887 return __("Published articles");
1888 } else if ($id == -3) {
1889 return __("Fresh articles");
1890 } else if ($id == -4) {
1891 return __("All articles");
1892 } else if ($id === 0 || $id === "0") {
1893 return __("Archived articles");
1894 } else if ($id == -6) {
1895 return __("Recently read");
1896 } else if ($id < LABEL_BASE_INDEX) {
1897 $label_id = feed_to_label_id($id);
1898 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1899 if (db_num_rows($result) == 1) {
1900 return db_fetch_result($result, 0, "caption");
1901 } else {
1902 return "Unknown label ($label_id)";
1903 }
1904
1905 } else if (is_numeric($id) && $id > 0) {
1906 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1907 if (db_num_rows($result) == 1) {
1908 return db_fetch_result($result, 0, "title");
1909 } else {
1910 return "Unknown feed ($id)";
1911 }
1912 } else {
1913 return $id;
1914 }
1915 }
1916
1917 function make_init_params() {
1918 $params = array();
1919
1920 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1921 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1922 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1923 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1924
1925 $params[strtolower($param)] = (int) get_pref($param);
1926 }
1927
1928 $params["icons_url"] = ICONS_URL;
1929 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1930 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1931 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1932 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1933 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1934 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1935
1936 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1937 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1938
1939 $max_feed_id = db_fetch_result($result, 0, "mid");
1940 $num_feeds = db_fetch_result($result, 0, "nf");
1941
1942 $params["max_feed_id"] = (int) $max_feed_id;
1943 $params["num_feeds"] = (int) $num_feeds;
1944
1945 $params["collapsed_feedlist"] = (int) get_pref("_COLLAPSED_FEEDLIST");
1946 $params["hotkeys"] = get_hotkeys_map();
1947
1948 $params["csrf_token"] = $_SESSION["csrf_token"];
1949 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1950
1951 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1952
1953 return $params;
1954 }
1955
1956 function get_hotkeys_info() {
1957 $hotkeys = array(
1958 __("Navigation") => array(
1959 "next_feed" => __("Open next feed"),
1960 "prev_feed" => __("Open previous feed"),
1961 "next_article" => __("Open next article"),
1962 "prev_article" => __("Open previous article"),
1963 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1964 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1965 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1966 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1967 "search_dialog" => __("Show search dialog")),
1968 __("Article") => array(
1969 "toggle_mark" => __("Toggle starred"),
1970 "toggle_publ" => __("Toggle published"),
1971 "toggle_unread" => __("Toggle unread"),
1972 "edit_tags" => __("Edit tags"),
1973 "dismiss_selected" => __("Dismiss selected"),
1974 "dismiss_read" => __("Dismiss read"),
1975 "open_in_new_window" => __("Open in new window"),
1976 "catchup_below" => __("Mark below as read"),
1977 "catchup_above" => __("Mark above as read"),
1978 "article_scroll_down" => __("Scroll down"),
1979 "article_scroll_up" => __("Scroll up"),
1980 "select_article_cursor" => __("Select article under cursor"),
1981 "email_article" => __("Email article"),
1982 "close_article" => __("Close/collapse article"),
1983 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1984 "toggle_widescreen" => __("Toggle widescreen mode"),
1985 "toggle_embed_original" => __("Toggle embed original")),
1986 __("Article selection") => array(
1987 "select_all" => __("Select all articles"),
1988 "select_unread" => __("Select unread"),
1989 "select_marked" => __("Select starred"),
1990 "select_published" => __("Select published"),
1991 "select_invert" => __("Invert selection"),
1992 "select_none" => __("Deselect everything")),
1993 __("Feed") => array(
1994 "feed_refresh" => __("Refresh current feed"),
1995 "feed_unhide_read" => __("Un/hide read feeds"),
1996 "feed_subscribe" => __("Subscribe to feed"),
1997 "feed_edit" => __("Edit feed"),
1998 "feed_catchup" => __("Mark as read"),
1999 "feed_reverse" => __("Reverse headlines"),
2000 "feed_debug_update" => __("Debug feed update"),
2001 "catchup_all" => __("Mark all feeds as read"),
2002 "cat_toggle_collapse" => __("Un/collapse current category"),
2003 "toggle_combined_mode" => __("Toggle combined mode"),
2004 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
2005 __("Go to") => array(
2006 "goto_all" => __("All articles"),
2007 "goto_fresh" => __("Fresh"),
2008 "goto_marked" => __("Starred"),
2009 "goto_published" => __("Published"),
2010 "goto_tagcloud" => __("Tag cloud"),
2011 "goto_prefs" => __("Preferences")),
2012 __("Other") => array(
2013 "create_label" => __("Create label"),
2014 "create_filter" => __("Create filter"),
2015 "collapse_sidebar" => __("Un/collapse sidebar"),
2016 "help_dialog" => __("Show help dialog"))
2017 );
2018
2019 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2020 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2021 }
2022
2023 return $hotkeys;
2024 }
2025
2026 function get_hotkeys_map() {
2027 $hotkeys = array(
2028 // "navigation" => array(
2029 "k" => "next_feed",
2030 "j" => "prev_feed",
2031 "n" => "next_article",
2032 "p" => "prev_article",
2033 "(38)|up" => "prev_article",
2034 "(40)|down" => "next_article",
2035 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2036 // "^(40)|Ctrl-down" => "next_article_noscroll",
2037 "(191)|/" => "search_dialog",
2038 // "article" => array(
2039 "s" => "toggle_mark",
2040 "*s" => "toggle_publ",
2041 "u" => "toggle_unread",
2042 "*t" => "edit_tags",
2043 "*d" => "dismiss_selected",
2044 "*x" => "dismiss_read",
2045 "o" => "open_in_new_window",
2046 "c p" => "catchup_below",
2047 "c n" => "catchup_above",
2048 "*n" => "article_scroll_down",
2049 "*p" => "article_scroll_up",
2050 "*(38)|Shift+up" => "article_scroll_up",
2051 "*(40)|Shift+down" => "article_scroll_down",
2052 "a *w" => "toggle_widescreen",
2053 "a e" => "toggle_embed_original",
2054 "e" => "email_article",
2055 "a q" => "close_article",
2056 // "article_selection" => array(
2057 "a a" => "select_all",
2058 "a u" => "select_unread",
2059 "a *u" => "select_marked",
2060 "a p" => "select_published",
2061 "a i" => "select_invert",
2062 "a n" => "select_none",
2063 // "feed" => array(
2064 "f r" => "feed_refresh",
2065 "f a" => "feed_unhide_read",
2066 "f s" => "feed_subscribe",
2067 "f e" => "feed_edit",
2068 "f q" => "feed_catchup",
2069 "f x" => "feed_reverse",
2070 "f *d" => "feed_debug_update",
2071 "f *c" => "toggle_combined_mode",
2072 "f c" => "toggle_cdm_expanded",
2073 "*q" => "catchup_all",
2074 "x" => "cat_toggle_collapse",
2075 // "goto" => array(
2076 "g a" => "goto_all",
2077 "g f" => "goto_fresh",
2078 "g s" => "goto_marked",
2079 "g p" => "goto_published",
2080 "g t" => "goto_tagcloud",
2081 "g *p" => "goto_prefs",
2082 // "other" => array(
2083 "(9)|Tab" => "select_article_cursor", // tab
2084 "c l" => "create_label",
2085 "c f" => "create_filter",
2086 "c s" => "collapse_sidebar",
2087 "^(191)|Ctrl+/" => "help_dialog",
2088 );
2089
2090 if (get_pref('COMBINED_DISPLAY_MODE')) {
2091 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2092 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2093 }
2094
2095 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2096 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2097 }
2098
2099 $prefixes = array();
2100
2101 foreach (array_keys($hotkeys) as $hotkey) {
2102 $pair = explode(" ", $hotkey, 2);
2103
2104 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2105 array_push($prefixes, $pair[0]);
2106 }
2107 }
2108
2109 return array($prefixes, $hotkeys);
2110 }
2111
2112 function make_runtime_info() {
2113 $data = array();
2114
2115 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2116 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2117
2118 $max_feed_id = db_fetch_result($result, 0, "mid");
2119 $num_feeds = db_fetch_result($result, 0, "nf");
2120
2121 $data["max_feed_id"] = (int) $max_feed_id;
2122 $data["num_feeds"] = (int) $num_feeds;
2123
2124 $data['last_article_id'] = getLastArticleId();
2125 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2126
2127 $data['dep_ts'] = calculate_dep_timestamp();
2128 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2129
2130 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2131
2132 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2133
2134 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2135
2136 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2137
2138 if ($stamp) {
2139 $stamp_delta = time() - $stamp;
2140
2141 if ($stamp_delta > 1800) {
2142 $stamp_check = 0;
2143 } else {
2144 $stamp_check = 1;
2145 $_SESSION["daemon_stamp_check"] = time();
2146 }
2147
2148 $data['daemon_stamp_ok'] = $stamp_check;
2149
2150 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2151
2152 $data['daemon_stamp'] = $stamp_fmt;
2153 }
2154 }
2155 }
2156
2157 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2158 $new_version_details = @check_for_update();
2159
2160 $data['new_version_available'] = (int) ($new_version_details != false);
2161
2162 $_SESSION["last_version_check"] = time();
2163 $_SESSION["version_data"] = $new_version_details;
2164 }
2165
2166 return $data;
2167 }
2168
2169 function search_to_sql($search) {
2170
2171 $search_query_part = "";
2172
2173 $keywords = explode(" ", $search);
2174 $query_keywords = array();
2175
2176 foreach ($keywords as $k) {
2177 if (strpos($k, "-") === 0) {
2178 $k = substr($k, 1);
2179 $not = "NOT";
2180 } else {
2181 $not = "";
2182 }
2183
2184 $commandpair = explode(":", mb_strtolower($k), 2);
2185
2186 switch ($commandpair[0]) {
2187 case "title":
2188 if ($commandpair[1]) {
2189 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2190 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2191 } else {
2192 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2193 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2194 }
2195 break;
2196 case "author":
2197 if ($commandpair[1]) {
2198 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2199 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2200 } else {
2201 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2202 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2203 }
2204 break;
2205 case "note":
2206 if ($commandpair[1]) {
2207 if ($commandpair[1] == "true")
2208 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2209 else if ($commandpair[1] == "false")
2210 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2211 else
2212 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2213 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2214 } else {
2215 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2216 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2217 }
2218 break;
2219 case "star":
2220
2221 if ($commandpair[1]) {
2222 if ($commandpair[1] == "true")
2223 array_push($query_keywords, "($not (marked = true))");
2224 else
2225 array_push($query_keywords, "($not (marked = false))");
2226 } else {
2227 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2228 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2229 }
2230 break;
2231 case "pub":
2232 if ($commandpair[1]) {
2233 if ($commandpair[1] == "true")
2234 array_push($query_keywords, "($not (published = true))");
2235 else
2236 array_push($query_keywords, "($not (published = false))");
2237
2238 } else {
2239 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2240 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2241 }
2242 break;
2243 default:
2244 if (strpos($k, "@") === 0) {
2245
2246 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2247 $orig_ts = strtotime(substr($k, 1));
2248 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2249
2250 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2251
2252 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2253 } else {
2254 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2255 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2256 }
2257 }
2258 }
2259
2260 $search_query_part = implode("AND", $query_keywords);
2261
2262 return $search_query_part;
2263 }
2264
2265 function getParentCategories($cat, $owner_uid) {
2266 $rv = array();
2267
2268 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2269 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2270
2271 while ($line = db_fetch_assoc($result)) {
2272 array_push($rv, $line["parent_cat"]);
2273 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2274 }
2275
2276 return $rv;
2277 }
2278
2279 function getChildCategories($cat, $owner_uid) {
2280 $rv = array();
2281
2282 $result = db_query("SELECT id FROM ttrss_feed_categories
2283 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2284
2285 while ($line = db_fetch_assoc($result)) {
2286 array_push($rv, $line["id"]);
2287 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2288 }
2289
2290 return $rv;
2291 }
2292
2293 function queryFeedHeadlines($feed, $limit, $view_mode, $cat_view, $search, $search_mode, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false) {
2294
2295 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2296
2297 $ext_tables_part = "";
2298
2299 if ($search) {
2300
2301 if (SPHINX_ENABLED) {
2302 $ids = join(",", @sphinx_search($search, 0, 500));
2303
2304 if ($ids)
2305 $search_query_part = "ref_id IN ($ids) AND ";
2306 else
2307 $search_query_part = "ref_id = -1 AND ";
2308
2309 } else {
2310 $search_query_part = search_to_sql($search);
2311 $search_query_part .= " AND ";
2312 }
2313
2314 } else {
2315 $search_query_part = "";
2316 }
2317
2318 if ($filter) {
2319
2320 if (DB_TYPE == "pgsql") {
2321 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2322 } else {
2323 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2324 }
2325
2326 $override_order = "updated DESC";
2327
2328 $filter_query_part = filter_to_sql($filter, $owner_uid);
2329
2330 // Try to check if SQL regexp implementation chokes on a valid regexp
2331 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2332 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2333 WHERE $filter_query_part LIMIT 1", false);
2334
2335 if ($result) {
2336 $test = db_fetch_result($result, 0, "true_val");
2337
2338 if (!$test) {
2339 $filter_query_part = "false AND";
2340 } else {
2341 $filter_query_part .= " AND";
2342 }
2343 } else {
2344 $filter_query_part = "false AND";
2345 }
2346
2347 } else {
2348 $filter_query_part = "";
2349 }
2350
2351 if ($since_id) {
2352 $since_id_part = "ttrss_entries.id > $since_id AND ";
2353 } else {
2354 $since_id_part = "";
2355 }
2356
2357 $view_query_part = "";
2358
2359 if ($view_mode == "adaptive") {
2360 if ($search) {
2361 $view_query_part = " ";
2362 } else if ($feed != -1) {
2363
2364 $unread = getFeedUnread($feed, $cat_view);
2365
2366 if ($cat_view && $feed > 0 && $include_children)
2367 $unread += getCategoryChildrenUnread($feed);
2368
2369 if ($unread > 0)
2370 $view_query_part = " unread = true AND ";
2371
2372 }
2373 }
2374
2375 if ($view_mode == "marked") {
2376 $view_query_part = " marked = true AND ";
2377 }
2378
2379 if ($view_mode == "has_note") {
2380 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2381 }
2382
2383 if ($view_mode == "published") {
2384 $view_query_part = " published = true AND ";
2385 }
2386
2387 if ($view_mode == "unread" && $feed != -6) {
2388 $view_query_part = " unread = true AND ";
2389 }
2390
2391 if ($limit > 0) {
2392 $limit_query_part = "LIMIT " . $limit;
2393 }
2394
2395 $allow_archived = false;
2396
2397 $vfeed_query_part = "";
2398
2399 // override query strategy and enable feed display when searching globally
2400 if ($search && $search_mode == "all_feeds") {
2401 $query_strategy_part = "true";
2402 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2403 /* tags */
2404 } else if (!is_numeric($feed)) {
2405 $query_strategy_part = "true";
2406 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2407 id = feed_id) as feed_title,";
2408 } else if ($search && $search_mode == "this_cat") {
2409 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2410
2411 if ($feed > 0) {
2412 if ($include_children) {
2413 $subcats = getChildCategories($feed, $owner_uid);
2414 array_push($subcats, $feed);
2415 $cats_qpart = join(",", $subcats);
2416 } else {
2417 $cats_qpart = $feed;
2418 }
2419
2420 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2421
2422 } else {
2423 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2424 }
2425
2426 } else if ($feed > 0) {
2427
2428 if ($cat_view) {
2429
2430 if ($feed > 0) {
2431 if ($include_children) {
2432 # sub-cats
2433 $subcats = getChildCategories($feed, $owner_uid);
2434
2435 array_push($subcats, $feed);
2436 $query_strategy_part = "cat_id IN (".
2437 implode(",", $subcats).")";
2438
2439 } else {
2440 $query_strategy_part = "cat_id = '$feed'";
2441 }
2442
2443 } else {
2444 $query_strategy_part = "cat_id IS NULL";
2445 }
2446
2447 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2448
2449 } else {
2450 $query_strategy_part = "feed_id = '$feed'";
2451 }
2452 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2453 $query_strategy_part = "feed_id IS NULL";
2454 $allow_archived = true;
2455 } else if ($feed == 0 && $cat_view) { // uncategorized
2456 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2457 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2458 } else if ($feed == -1) { // starred virtual feed
2459 $query_strategy_part = "marked = true";
2460 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2461 $allow_archived = true;
2462
2463 if (!$override_order) {
2464 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2465 }
2466
2467 } else if ($feed == -2) { // published virtual feed OR labels category
2468
2469 if (!$cat_view) {
2470 $query_strategy_part = "published = true";
2471 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2472 $allow_archived = true;
2473
2474 if (!$override_order) {
2475 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2476 }
2477
2478 } else {
2479 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2480
2481 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2482
2483 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2484 ttrss_user_labels2.article_id = ref_id";
2485
2486 }
2487 } else if ($feed == -6) { // recently read
2488 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2489 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2490 $allow_archived = true;
2491
2492 if (!$override_order) $override_order = "last_read DESC";
2493 } else if ($feed == -3) { // fresh virtual feed
2494 $query_strategy_part = "unread = true AND score >= 0";
2495
2496 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2497
2498 if (DB_TYPE == "pgsql") {
2499 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2500 } else {
2501 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2502 }
2503
2504 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2505 } else if ($feed == -4) { // all articles virtual feed
2506 $allow_archived = true;
2507 $query_strategy_part = "true";
2508 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2509 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2510 $label_id = feed_to_label_id($feed);
2511
2512 $query_strategy_part = "label_id = '$label_id' AND
2513 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2514 ttrss_user_labels2.article_id = ref_id";
2515
2516 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2517 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2518 $allow_archived = true;
2519
2520 } else {
2521 $query_strategy_part = "true";
2522 }
2523
2524 $order_by = "score DESC, date_entered DESC, updated DESC";
2525
2526 if ($view_mode == "unread_first") {
2527 $order_by = "unread DESC, $order_by";
2528 }
2529
2530 if ($override_order) {
2531 $order_by = $override_order;
2532 }
2533
2534 $feed_title = "";
2535
2536 if ($search) {
2537 $feed_title = T_sprintf("Search results: %s", $search);
2538 } else {
2539 if ($cat_view) {
2540 $feed_title = getCategoryTitle($feed);
2541 } else {
2542 if (is_numeric($feed) && $feed > 0) {
2543 $result = db_query("SELECT title,site_url,last_error,last_updated
2544 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2545
2546 $feed_title = db_fetch_result($result, 0, "title");
2547 $feed_site_url = db_fetch_result($result, 0, "site_url");
2548 $last_error = db_fetch_result($result, 0, "last_error");
2549 $last_updated = db_fetch_result($result, 0, "last_updated");
2550 } else {
2551 $feed_title = getFeedTitle($feed);
2552 }
2553 }
2554 }
2555
2556 $content_query_part = "content as content_preview, cached_content, ";
2557
2558 if (is_numeric($feed)) {
2559
2560 if ($feed >= 0) {
2561 $feed_kind = "Feeds";
2562 } else {
2563 $feed_kind = "Labels";
2564 }
2565
2566 if ($limit_query_part) {
2567 $offset_query_part = "OFFSET $offset";
2568 }
2569
2570 // proper override_order applied above
2571 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2572 if (!$override_order) {
2573 $order_by = "ttrss_feeds.title, $order_by";
2574 } else {
2575 $order_by = "ttrss_feeds.title, $override_order";
2576 }
2577 }
2578
2579 if (!$allow_archived) {
2580 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2581 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2582
2583 } else {
2584 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2585 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2586 }
2587
2588 if ($vfeed_query_part)
2589 $vfeed_query_part .= "favicon_avg_color,";
2590
2591 $query = "SELECT DISTINCT
2592 date_entered,
2593 guid,
2594 ttrss_entries.id,ttrss_entries.title,
2595 updated,
2596 label_cache,
2597 tag_cache,
2598 always_display_enclosures,
2599 site_url,
2600 note,
2601 num_comments,
2602 comments,
2603 int_id,
2604 hide_images,
2605 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2606 last_marked, last_published,
2607 $vfeed_query_part
2608 $content_query_part
2609 author,score
2610 FROM
2611 $from_qpart
2612 WHERE
2613 $feed_check_qpart
2614 ttrss_user_entries.ref_id = ttrss_entries.id AND
2615 ttrss_user_entries.owner_uid = '$owner_uid' AND
2616 $search_query_part
2617 $filter_query_part
2618 $view_query_part
2619 $since_id_part
2620 $query_strategy_part ORDER BY $order_by
2621 $limit_query_part $offset_query_part";
2622
2623 if ($_REQUEST["debug"]) print $query;
2624
2625 $result = db_query($query);
2626
2627 } else {
2628 // browsing by tag
2629
2630 $select_qpart = "SELECT DISTINCT " .
2631 "date_entered," .
2632 "guid," .
2633 "note," .
2634 "ttrss_entries.id as id," .
2635 "title," .
2636 "updated," .
2637 "unread," .
2638 "feed_id," .
2639 "orig_feed_id," .
2640 "marked," .
2641 "num_comments, " .
2642 "comments, " .
2643 "tag_cache," .
2644 "label_cache," .
2645 "link," .
2646 "last_read," .
2647 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2648 "last_marked, last_published, " .
2649 $since_id_part .
2650 $vfeed_query_part .
2651 $content_query_part .
2652 "score ";
2653
2654 $feed_kind = "Tags";
2655 $all_tags = explode(",", $feed);
2656 if ($search_mode == 'any') {
2657 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2658 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2659 $where_qpart = " WHERE " .
2660 "ref_id = ttrss_entries.id AND " .
2661 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2662 "post_int_id = int_id AND $tag_sql AND " .
2663 $view_query_part .
2664 $search_query_part .
2665 $query_strategy_part . " ORDER BY $order_by " .
2666 $limit_query_part;
2667
2668 } else {
2669 $i = 1;
2670 $sub_selects = array();
2671 $sub_ands = array();
2672 foreach ($all_tags as $term) {
2673 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2674 $i++;
2675 }
2676 if ($i > 2) {
2677 $x = 1;
2678 $y = 2;
2679 do {
2680 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2681 $x++;
2682 $y++;
2683 } while ($y < $i);
2684 }
2685 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2686 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2687 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2688 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2689 }
2690 // error_log("TAG SQL: " . $tag_sql);
2691 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2692
2693 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2694 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2695 }
2696
2697 return array($result, $feed_title, $feed_site_url, $last_error, $last_updated);
2698
2699 }
2700
2701 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false) {
2702 if (!$owner) $owner = $_SESSION["uid"];
2703
2704 $res = trim($str); if (!$res) return '';
2705
2706 if (strpos($res, "href=") === false)
2707 $res = rewrite_urls($res);
2708
2709 $charset_hack = '<head>
2710 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2711 </head>';
2712
2713 $res = trim($res); if (!$res) return '';
2714
2715 libxml_use_internal_errors(true);
2716
2717 $doc = new DOMDocument();
2718 $doc->loadHTML($charset_hack . $res);
2719 $xpath = new DOMXPath($doc);
2720
2721 $entries = $xpath->query('(//a[@href]|//img[@src])');
2722
2723 foreach ($entries as $entry) {
2724
2725 if ($site_url) {
2726
2727 if ($entry->hasAttribute('href'))
2728 $entry->setAttribute('href',
2729 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2730
2731 if ($entry->hasAttribute('src')) {
2732 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2733
2734 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2735
2736 if (file_exists($cached_filename)) {
2737 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2738 }
2739
2740 $entry->setAttribute('src', $src);
2741 }
2742
2743 if ($entry->nodeName == 'img') {
2744 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2745 $force_remove_images || $_SESSION["bw_limit"]) {
2746
2747 $p = $doc->createElement('p');
2748
2749 $a = $doc->createElement('a');
2750 $a->setAttribute('href', $entry->getAttribute('src'));
2751
2752 $a->appendChild(new DOMText($entry->getAttribute('src')));
2753 $a->setAttribute('target', '_blank');
2754
2755 $p->appendChild($a);
2756
2757 $entry->parentNode->replaceChild($p, $entry);
2758 }
2759 }
2760 }
2761
2762 if (strtolower($entry->nodeName) == "a") {
2763 $entry->setAttribute("target", "_blank");
2764 }
2765 }
2766
2767 $entries = $xpath->query('//iframe');
2768 foreach ($entries as $entry) {
2769 $entry->setAttribute('sandbox', 'allow-scripts');
2770
2771 }
2772
2773 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2774 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2775 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2776 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2777 'dt', 'em', 'footer', 'figure', 'figcaption',
2778 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2779 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2780 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2781 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2782 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2783 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2784
2785 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2786
2787 $disallowed_attributes = array('id', 'style', 'class');
2788
2789 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2790 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2791 if (is_array($retval)) {
2792 $doc = $retval[0];
2793 $allowed_elements = $retval[1];
2794 $disallowed_attributes = $retval[2];
2795 } else {
2796 $doc = $retval;
2797 }
2798 }
2799
2800 $doc->removeChild($doc->firstChild); //remove doctype
2801 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2802 $res = $doc->saveHTML();
2803 return $res;
2804 }
2805
2806 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2807 $xpath = new DOMXPath($doc);
2808 $entries = $xpath->query('//*');
2809
2810 foreach ($entries as $entry) {
2811 if (!in_array($entry->nodeName, $allowed_elements)) {
2812 $entry->parentNode->removeChild($entry);
2813 }
2814
2815 if ($entry->hasAttributes()) {
2816 $attrs_to_remove = array();
2817
2818 foreach ($entry->attributes as $attr) {
2819
2820 if (strpos($attr->nodeName, 'on') === 0) {
2821 array_push($attrs_to_remove, $attr);
2822 }
2823
2824 if (in_array($attr->nodeName, $disallowed_attributes)) {
2825 array_push($attrs_to_remove, $attr);
2826 }
2827 }
2828
2829 foreach ($attrs_to_remove as $attr) {
2830 $entry->removeAttributeNode($attr);
2831 }
2832 }
2833 }
2834
2835 return $doc;
2836 }
2837
2838 function check_for_update() {
2839 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2840 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2841 "&iid=" . sha1(SELF_URL_PATH);
2842
2843 $version_data = @fetch_file_contents($version_url);
2844
2845 if ($version_data) {
2846 $version_data = json_decode($version_data, true);
2847 if ($version_data && $version_data['version']) {
2848
2849 if (version_compare(VERSION, $version_data['version']) == -1) {
2850 return $version_data;
2851 }
2852 }
2853 }
2854 }
2855 return false;
2856 }
2857
2858 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2859
2860 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2861 if (count($ids) == 0) return;
2862
2863 $tmp_ids = array();
2864
2865 foreach ($ids as $id) {
2866 array_push($tmp_ids, "ref_id = '$id'");
2867 }
2868
2869 $ids_qpart = join(" OR ", $tmp_ids);
2870
2871 if ($cmode == 0) {
2872 db_query("UPDATE ttrss_user_entries SET
2873 unread = false,last_read = NOW()
2874 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2875 } else if ($cmode == 1) {
2876 db_query("UPDATE ttrss_user_entries SET
2877 unread = true
2878 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2879 } else {
2880 db_query("UPDATE ttrss_user_entries SET
2881 unread = NOT unread,last_read = NOW()
2882 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2883 }
2884
2885 /* update ccache */
2886
2887 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2888 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2889
2890 while ($line = db_fetch_assoc($result)) {
2891 ccache_update($line["feed_id"], $owner_uid);
2892 }
2893 }
2894
2895 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2896
2897 $a_id = db_escape_string($id);
2898
2899 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2900
2901 $query = "SELECT DISTINCT tag_name,
2902 owner_uid as owner FROM
2903 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2904 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2905
2906 $tags = array();
2907
2908 /* check cache first */
2909
2910 if ($tag_cache === false) {
2911 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2912 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2913
2914 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2915 }
2916
2917 if ($tag_cache) {
2918 $tags = explode(",", $tag_cache);
2919 } else {
2920
2921 /* do it the hard way */
2922
2923 $tmp_result = db_query($query);
2924
2925 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2926 array_push($tags, $tmp_line["tag_name"]);
2927 }
2928
2929 /* update the cache */
2930
2931 $tags_str = db_escape_string(join(",", $tags));
2932
2933 db_query("UPDATE ttrss_user_entries
2934 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2935 AND owner_uid = $owner_uid");
2936 }
2937
2938 return $tags;
2939 }
2940
2941 function trim_array($array) {
2942 $tmp = $array;
2943 array_walk($tmp, 'trim');
2944 return $tmp;
2945 }
2946
2947 function tag_is_valid($tag) {
2948 if ($tag == '') return false;
2949 if (preg_match("/^[0-9]*$/", $tag)) return false;
2950 if (mb_strlen($tag) > 250) return false;
2951
2952 if (function_exists('iconv')) {
2953 $tag = iconv("utf-8", "utf-8", $tag);
2954 }
2955
2956 if (!$tag) return false;
2957
2958 return true;
2959 }
2960
2961 function render_login_form() {
2962 header('Cache-Control: public');
2963
2964 require_once "login_form.php";
2965 exit;
2966 }
2967
2968 function format_warning($msg, $id = "") {
2969 global $link;
2970 return "<div class=\"warning\" id=\"$id\">
2971 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2972 }
2973
2974 function format_notice($msg, $id = "") {
2975 global $link;
2976 return "<div class=\"notice\" id=\"$id\">
2977 <span><img src=\"images/sign_info.svg\"></span><span>$msg</span></div>";
2978 }
2979
2980 function format_error($msg, $id = "") {
2981 global $link;
2982 return "<div class=\"error\" id=\"$id\">
2983 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2984 }
2985
2986 function print_notice($msg) {
2987 return print format_notice($msg);
2988 }
2989
2990 function print_warning($msg) {
2991 return print format_warning($msg);
2992 }
2993
2994 function print_error($msg) {
2995 return print format_error($msg);
2996 }
2997
2998
2999 function T_sprintf() {
3000 $args = func_get_args();
3001 return vsprintf(__(array_shift($args)), $args);
3002 }
3003
3004 function format_inline_player($url, $ctype) {
3005
3006 $entry = "";
3007
3008 $url = htmlspecialchars($url);
3009
3010 if (strpos($ctype, "audio/") === 0) {
3011
3012 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3013 $_SESSION["hasMp3"])) {
3014
3015 $entry .= "<audio controls>
3016 <source type=\"$ctype\" src=\"$url\"></source>
3017 </audio>";
3018
3019 } else {
3020
3021 $entry .= "<object type=\"application/x-shockwave-flash\"
3022 data=\"lib/button/musicplayer.swf?song_url=$url\"
3023 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3024 <param name=\"movie\"
3025 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3026 </object>";
3027 }
3028
3029 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3030 href=\"$url\">" . basename($url) . "</a>";
3031
3032 return $entry;
3033
3034 }
3035
3036 return "";
3037
3038 /* $filename = substr($url, strrpos($url, "/")+1);
3039
3040 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3041 $filename . " (" . $ctype . ")" . "</a>"; */
3042
3043 }
3044
3045 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3046 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3047
3048 $rv = array();
3049
3050 $rv['id'] = $id;
3051
3052 /* we can figure out feed_id from article id anyway, why do we
3053 * pass feed_id here? let's ignore the argument :(*/
3054
3055 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3056 WHERE ref_id = '$id'");
3057
3058 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3059
3060 $rv['feed_id'] = $feed_id;
3061
3062 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3063
3064 if ($mark_as_read) {
3065 $result = db_query("UPDATE ttrss_user_entries
3066 SET unread = false,last_read = NOW()
3067 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3068
3069 ccache_update($feed_id, $owner_uid);
3070 }
3071
3072 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3073 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3074 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3075 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3076 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3077 num_comments,
3078 tag_cache,
3079 author,
3080 orig_feed_id,
3081 note,
3082 cached_content
3083 FROM ttrss_entries,ttrss_user_entries
3084 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3085
3086 if ($result) {
3087
3088 $line = db_fetch_assoc($result);
3089
3090 $tag_cache = $line["tag_cache"];
3091
3092 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3093 unset($line["tag_cache"]);
3094
3095 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3096
3097 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3098 $line = $p->hook_render_article($line);
3099 }
3100
3101 $num_comments = $line["num_comments"];
3102 $entry_comments = "";
3103
3104 if ($num_comments > 0) {
3105 if ($line["comments"]) {
3106 $comments_url = htmlspecialchars($line["comments"]);
3107 } else {
3108 $comments_url = htmlspecialchars($line["link"]);
3109 }
3110 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3111 } else {
3112 if ($line["comments"] && $line["link"] != $line["comments"]) {
3113 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3114 }
3115 }
3116
3117 if ($zoom_mode) {
3118 header("Content-Type: text/html");
3119 $rv['content'] .= "<html><head>
3120 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3121 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3122 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3123 </head><body id=\"ttrssZoom\">";
3124 }
3125
3126 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3127
3128 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3129
3130 $entry_author = $line["author"];
3131
3132 if ($entry_author) {
3133 $entry_author = __(" - ") . $entry_author;
3134 }
3135
3136 $parsed_updated = make_local_datetime($line["updated"], true,
3137 $owner_uid, true);
3138
3139 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3140
3141 if ($line["link"]) {
3142 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3143 title=\"".htmlspecialchars($line['title'])."\"
3144 href=\"" .
3145 htmlspecialchars($line["link"]) . "\">" .
3146 $line["title"] . "</a>" .
3147 "<span class='author'>$entry_author</span></div>";
3148 } else {
3149 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3150 }
3151
3152 $tags_str = format_tags_string($line["tags"], $id);
3153 $tags_str_full = join(", ", $line["tags"]);
3154
3155 if (!$tags_str_full) $tags_str_full = __("no tags");
3156
3157 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3158
3159 $rv['content'] .= "<div class='postTags' style='float : right'>
3160 <img src='images/tag.png'
3161 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3162
3163 if (!$zoom_mode) {
3164 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3165 <a title=\"".__('Edit tags for this article')."\"
3166 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3167
3168 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3169 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3170 position=\"below\">$tags_str_full</div>";
3171
3172 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3173 $rv['content'] .= $p->hook_article_button($line);
3174 }
3175
3176 } else {
3177 $tags_str = strip_tags($tags_str);
3178 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3179 }
3180 $rv['content'] .= "</div>";
3181 $rv['content'] .= "<div clear='both'>";
3182
3183 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3184 $rv['content'] .= $p->hook_article_left_button($line);
3185 }
3186
3187 $rv['content'] .= "$entry_comments</div>";
3188
3189 if ($line["orig_feed_id"]) {
3190
3191 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3192 WHERE id = ".$line["orig_feed_id"]);
3193
3194 if (db_num_rows($tmp_result) != 0) {
3195
3196 $rv['content'] .= "<div clear='both'>";
3197 $rv['content'] .= __("Originally from:");
3198
3199 $rv['content'] .= "&nbsp;";
3200
3201 $tmp_line = db_fetch_assoc($tmp_result);
3202
3203 $rv['content'] .= "<a target='_blank'
3204 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3205 $tmp_line['title'] . "</a>";
3206
3207 $rv['content'] .= "&nbsp;";
3208
3209 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3210 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3211
3212 $rv['content'] .= "</div>";
3213 }
3214 }
3215
3216 $rv['content'] .= "</div>";
3217
3218 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3219 if ($line['note']) {
3220 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3221 }
3222 $rv['content'] .= "</div>";
3223
3224 $rv['content'] .= "<div class=\"postContent\">";
3225
3226 $rv['content'] .= $line["content"];
3227 $rv['content'] .= format_article_enclosures($id,
3228 sql_bool_to_bool($line["always_display_enclosures"]),
3229 $line["content"],
3230 sql_bool_to_bool($line["hide_images"]));
3231
3232 $rv['content'] .= "</div>";
3233
3234 $rv['content'] .= "</div>";
3235
3236 }
3237
3238 if ($zoom_mode) {
3239 $rv['content'] .= "
3240 <div class='footer'>
3241 <button onclick=\"return window.close()\">".
3242 __("Close this window")."</button></div>";
3243 $rv['content'] .= "</body></html>";
3244 }
3245
3246 return $rv;
3247
3248 }
3249
3250 function print_checkpoint($n, $s) {
3251 $ts = microtime(true);
3252 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3253 return $ts;
3254 }
3255
3256 function sanitize_tag($tag) {
3257 $tag = trim($tag);
3258
3259 $tag = mb_strtolower($tag, 'utf-8');
3260
3261 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3262
3263 // $tag = str_replace('"', "", $tag);
3264 // $tag = str_replace("+", " ", $tag);
3265 $tag = str_replace("technorati tag: ", "", $tag);
3266
3267 return $tag;
3268 }
3269
3270 function get_self_url_prefix() {
3271 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3272 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3273 } else {
3274 return SELF_URL_PATH;
3275 }
3276 }
3277
3278 /**
3279 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3280 *
3281 * @return string The Mozilla Firefox feed adding URL.
3282 */
3283 function add_feed_url() {
3284 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3285
3286 $url_path = get_self_url_prefix() .
3287 "/public.php?op=subscribe&feed_url=%s";
3288 return $url_path;
3289 } // function add_feed_url
3290
3291 function encrypt_password($pass, $salt = '', $mode2 = false) {
3292 if ($salt && $mode2) {
3293 return "MODE2:" . hash('sha256', $salt . $pass);
3294 } else if ($salt) {
3295 return "SHA1X:" . sha1("$salt:$pass");
3296 } else {
3297 return "SHA1:" . sha1($pass);
3298 }
3299 } // function encrypt_password
3300
3301 function load_filters($feed_id, $owner_uid, $action_id = false) {
3302 $filters = array();
3303
3304 $cat_id = (int)getFeedCategory($feed_id);
3305
3306 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3307 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3308
3309 $check_cats = join(",", array_merge(
3310 getParentCategories($cat_id, $owner_uid),
3311 array($cat_id)));
3312
3313 while ($line = db_fetch_assoc($result)) {
3314 $filter_id = $line["id"];
3315
3316 $result2 = db_query("SELECT
3317 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3318 FROM ttrss_filters2_rules AS r,
3319 ttrss_filter_types AS t
3320 WHERE
3321 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3322 (feed_id IS NULL OR feed_id = '$feed_id') AND
3323 filter_type = t.id AND filter_id = '$filter_id'");
3324
3325 $rules = array();
3326 $actions = array();
3327
3328 while ($rule_line = db_fetch_assoc($result2)) {
3329 # print_r($rule_line);
3330
3331 $rule = array();
3332 $rule["reg_exp"] = $rule_line["reg_exp"];
3333 $rule["type"] = $rule_line["type_name"];
3334 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3335
3336 array_push($rules, $rule);
3337 }
3338
3339 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3340 FROM ttrss_filters2_actions AS a,
3341 ttrss_filter_actions AS t
3342 WHERE
3343 action_id = t.id AND filter_id = '$filter_id'");
3344
3345 while ($action_line = db_fetch_assoc($result2)) {
3346 # print_r($action_line);
3347
3348 $action = array();
3349 $action["type"] = $action_line["type_name"];
3350 $action["param"] = $action_line["action_param"];
3351
3352 array_push($actions, $action);
3353 }
3354
3355
3356 $filter = array();
3357 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3358 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3359 $filter["rules"] = $rules;
3360 $filter["actions"] = $actions;
3361
3362 if (count($rules) > 0 && count($actions) > 0) {
3363 array_push($filters, $filter);
3364 }
3365 }
3366
3367 return $filters;
3368 }
3369
3370 function get_score_pic($score) {
3371 if ($score > 100) {
3372 return "score_high.png";
3373 } else if ($score > 0) {
3374 return "score_half_high.png";
3375 } else if ($score < -100) {
3376 return "score_low.png";
3377 } else if ($score < 0) {
3378 return "score_half_low.png";
3379 } else {
3380 return "score_neutral.png";
3381 }
3382 }
3383
3384 function feed_has_icon($id) {
3385 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3386 }
3387
3388 function init_plugins() {
3389 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3390
3391 return true;
3392 }
3393
3394 function format_tags_string($tags, $id) {
3395 if (!is_array($tags) || count($tags) == 0) {
3396 return __("no tags");
3397 } else {
3398 $maxtags = min(5, count($tags));
3399
3400 for ($i = 0; $i < $maxtags; $i++) {
3401 $tags_str .= "<a href=\"#\" onclick=\"viewfeed('".$tags[$i]."'\")>" . $tags[$i] . "</a>, ";
3402 }
3403
3404 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3405
3406 if (count($tags) > $maxtags)
3407 $tags_str .= ", &hellip;";
3408
3409 return $tags_str;
3410 }
3411 }
3412
3413 function format_article_labels($labels, $id) {
3414
3415 if (!is_array($labels)) return '';
3416
3417 $labels_str = "";
3418
3419 foreach ($labels as $l) {
3420 $labels_str .= sprintf("<span class='hlLabelRef'
3421 style='color : %s; background-color : %s'>%s</span>",
3422 $l[2], $l[3], $l[1]);
3423 }
3424
3425 return $labels_str;
3426
3427 }
3428
3429 function format_article_note($id, $note, $allow_edit = true) {
3430
3431 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3432 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3433 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3434
3435 return $str;
3436 }
3437
3438
3439 function get_feed_category($feed_cat, $parent_cat_id = false) {
3440 if ($parent_cat_id) {
3441 $parent_qpart = "parent_cat = '$parent_cat_id'";
3442 $parent_insert = "'$parent_cat_id'";
3443 } else {
3444 $parent_qpart = "parent_cat IS NULL";
3445 $parent_insert = "NULL";
3446 }
3447
3448 $result = db_query(
3449 "SELECT id FROM ttrss_feed_categories
3450 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3451
3452 if (db_num_rows($result) == 0) {
3453 return false;
3454 } else {
3455 return db_fetch_result($result, 0, "id");
3456 }
3457 }
3458
3459 function add_feed_category($feed_cat, $parent_cat_id = false) {
3460
3461 if (!$feed_cat) return false;
3462
3463 db_query("BEGIN");
3464
3465 if ($parent_cat_id) {
3466 $parent_qpart = "parent_cat = '$parent_cat_id'";
3467 $parent_insert = "'$parent_cat_id'";
3468 } else {
3469 $parent_qpart = "parent_cat IS NULL";
3470 $parent_insert = "NULL";
3471 }
3472
3473 $feed_cat = mb_substr($feed_cat, 0, 250);
3474
3475 $result = db_query(
3476 "SELECT id FROM ttrss_feed_categories
3477 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3478
3479 if (db_num_rows($result) == 0) {
3480
3481 $result = db_query(
3482 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3483 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3484
3485 db_query("COMMIT");
3486
3487 return true;
3488 }
3489
3490 return false;
3491 }
3492
3493 function getArticleFeed($id) {
3494 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3495 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3496
3497 if (db_num_rows($result) != 0) {
3498 return db_fetch_result($result, 0, "feed_id");
3499 } else {
3500 return 0;
3501 }
3502 }
3503
3504 /**
3505 * Fixes incomplete URLs by prepending "http://".
3506 * Also replaces feed:// with http://, and
3507 * prepends a trailing slash if the url is a domain name only.
3508 *
3509 * @param string $url Possibly incomplete URL
3510 *
3511 * @return string Fixed URL.
3512 */
3513 function fix_url($url) {
3514 if (strpos($url, '://') === false) {
3515 $url = 'http://' . $url;
3516 } else if (substr($url, 0, 5) == 'feed:') {
3517 $url = 'http:' . substr($url, 5);
3518 }
3519
3520 //prepend slash if the URL has no slash in it
3521 // "http://www.example" -> "http://www.example/"
3522 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3523 $url .= '/';
3524 }
3525
3526 if ($url != "http:///")
3527 return $url;
3528 else
3529 return '';
3530 }
3531
3532 function validate_feed_url($url) {
3533 $parts = parse_url($url);
3534
3535 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3536
3537 }
3538
3539 function get_article_enclosures($id) {
3540
3541 $query = "SELECT * FROM ttrss_enclosures
3542 WHERE post_id = '$id' AND content_url != ''";
3543
3544 $rv = array();
3545
3546 $result = db_query($query);
3547
3548 if (db_num_rows($result) > 0) {
3549 while ($line = db_fetch_assoc($result)) {
3550 array_push($rv, $line);
3551 }
3552 }
3553
3554 return $rv;
3555 }
3556
3557 function save_email_address($email) {
3558 // FIXME: implement persistent storage of emails
3559
3560 if (!$_SESSION['stored_emails'])
3561 $_SESSION['stored_emails'] = array();
3562
3563 if (!in_array($email, $_SESSION['stored_emails']))
3564 array_push($_SESSION['stored_emails'], $email);
3565 }
3566
3567
3568 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3569
3570 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3571
3572 $sql_is_cat = bool_to_sql_bool($is_cat);
3573
3574 $result = db_query("SELECT access_key FROM ttrss_access_keys
3575 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3576 AND owner_uid = " . $owner_uid);
3577
3578 if (db_num_rows($result) == 1) {
3579 return db_fetch_result($result, 0, "access_key");
3580 } else {
3581 $key = db_escape_string(sha1(uniqid(rand(), true)));
3582
3583 $result = db_query("INSERT INTO ttrss_access_keys
3584 (access_key, feed_id, is_cat, owner_uid)
3585 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3586
3587 return $key;
3588 }
3589 return false;
3590 }
3591
3592 function get_feeds_from_html($url, $content)
3593 {
3594 $url = fix_url($url);
3595 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3596
3597 libxml_use_internal_errors(true);
3598
3599 $doc = new DOMDocument();
3600 $doc->loadHTML($content);
3601 $xpath = new DOMXPath($doc);
3602 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3603 $feedUrls = array();
3604 foreach ($entries as $entry) {
3605 if ($entry->hasAttribute('href')) {
3606 $title = $entry->getAttribute('title');
3607 if ($title == '') {
3608 $title = $entry->getAttribute('type');
3609 }
3610 $feedUrl = rewrite_relative_url(
3611 $baseUrl, $entry->getAttribute('href')
3612 );
3613 $feedUrls[$feedUrl] = $title;
3614 }
3615 }
3616 return $feedUrls;
3617 }
3618
3619 function is_html($content) {
3620 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3621 }
3622
3623 function url_is_html($url, $login = false, $pass = false) {
3624 return is_html(fetch_file_contents($url, false, $login, $pass));
3625 }
3626
3627 function print_label_select($name, $value, $attributes = "") {
3628
3629 $result = db_query("SELECT caption FROM ttrss_labels2
3630 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3631
3632 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3633 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3634
3635 while ($line = db_fetch_assoc($result)) {
3636
3637 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3638
3639 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3640 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3641
3642 }
3643
3644 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3645
3646 print "</select>";
3647
3648
3649 }
3650
3651 function format_article_enclosures($id, $always_display_enclosures,
3652 $article_content, $hide_images = false) {
3653
3654 $result = get_article_enclosures($id);
3655 $rv = '';
3656
3657 if (count($result) > 0) {
3658
3659 $entries_html = array();
3660 $entries = array();
3661 $entries_inline = array();
3662
3663 foreach ($result as $line) {
3664
3665 $url = $line["content_url"];
3666 $ctype = $line["content_type"];
3667
3668 if (!$ctype) $ctype = __("unknown type");
3669
3670 $filename = substr($url, strrpos($url, "/")+1);
3671
3672 $player = format_inline_player($url, $ctype);
3673
3674 if ($player) array_push($entries_inline, $player);
3675
3676 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3677 # $filename . " (" . $ctype . ")" . "</a>";
3678
3679 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3680 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3681
3682 array_push($entries_html, $entry);
3683
3684 $entry = array();
3685
3686 $entry["type"] = $ctype;
3687 $entry["filename"] = $filename;
3688 $entry["url"] = $url;
3689
3690 array_push($entries, $entry);
3691 }
3692
3693 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3694 if ($always_display_enclosures ||
3695 !preg_match("/<img/i", $article_content)) {
3696
3697 foreach ($entries as $entry) {
3698
3699 if (preg_match("/image/", $entry["type"]) ||
3700 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3701
3702 if (!$hide_images) {
3703 $rv .= "<p><img
3704 alt=\"".htmlspecialchars($entry["filename"])."\"
3705 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3706 } else {
3707 $rv .= "<p><a target=\"_blank\"
3708 href=\"".htmlspecialchars($entry["url"])."\"
3709 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3710
3711 }
3712 }
3713 }
3714 }
3715 }
3716
3717 if (count($entries_inline) > 0) {
3718 $rv .= "<hr clear='both'/>";
3719 foreach ($entries_inline as $entry) { $rv .= $entry; };
3720 $rv .= "<hr clear='both'/>";
3721 }
3722
3723 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3724 "<option value=''>" . __('Attachments')."</option>";
3725
3726 foreach ($entries as $entry) {
3727 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3728
3729 };
3730
3731 $rv .= "</select>";
3732 }
3733
3734 return $rv;
3735 }
3736
3737 function getLastArticleId() {
3738 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3739 WHERE owner_uid = " . $_SESSION["uid"]);
3740
3741 if (db_num_rows($result) == 1) {
3742 return db_fetch_result($result, 0, "id");
3743 } else {
3744 return -1;
3745 }
3746 }
3747
3748 function build_url($parts) {
3749 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3750 }
3751
3752 /**
3753 * Converts a (possibly) relative URL to a absolute one.
3754 *
3755 * @param string $url Base URL (i.e. from where the document is)
3756 * @param string $rel_url Possibly relative URL in the document
3757 *
3758 * @return string Absolute URL
3759 */
3760 function rewrite_relative_url($url, $rel_url) {
3761 if (strpos($rel_url, "magnet:") === 0) {
3762 return $rel_url;
3763 } else if (strpos($rel_url, "://") !== false) {
3764 return $rel_url;
3765 } else if (strpos($rel_url, "//") === 0) {
3766 # protocol-relative URL (rare but they exist)
3767 return $rel_url;
3768 } else if (strpos($rel_url, "/") === 0)
3769 {
3770 $parts = parse_url($url);
3771 $parts['path'] = $rel_url;
3772
3773 return build_url($parts);
3774
3775 } else {
3776 $parts = parse_url($url);
3777 if (!isset($parts['path'])) {
3778 $parts['path'] = '/';
3779 }
3780 $dir = $parts['path'];
3781 if (substr($dir, -1) !== '/') {
3782 $dir = dirname($parts['path']);
3783 $dir !== '/' && $dir .= '/';
3784 }
3785 $parts['path'] = $dir . $rel_url;
3786
3787 return build_url($parts);
3788 }
3789 }
3790
3791 function sphinx_search($query, $offset = 0, $limit = 30) {
3792 require_once 'lib/sphinxapi.php';
3793
3794 $sphinxClient = new SphinxClient();
3795
3796 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3797
3798 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3799 $sphinxClient->SetConnectTimeout(1);
3800
3801 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3802 'feed_title' => 20));
3803
3804 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3805 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3806 $sphinxClient->SetLimits($offset, $limit, 1000);
3807 $sphinxClient->SetArrayResult(false);
3808 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3809
3810 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3811
3812 $ids = array();
3813
3814 if (is_array($result['matches'])) {
3815 foreach (array_keys($result['matches']) as $int_id) {
3816 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3817 array_push($ids, $ref_id);
3818 }
3819 }
3820
3821 return $ids;
3822 }
3823
3824 function cleanup_tags($days = 14, $limit = 1000) {
3825
3826 if (DB_TYPE == "pgsql") {
3827 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3828 } else if (DB_TYPE == "mysql") {
3829 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3830 }
3831
3832 $tags_deleted = 0;
3833
3834 while ($limit > 0) {
3835 $limit_part = 500;
3836
3837 $query = "SELECT ttrss_tags.id AS id
3838 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3839 WHERE post_int_id = int_id AND $interval_query AND
3840 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3841
3842 $result = db_query($query);
3843
3844 $ids = array();
3845
3846 while ($line = db_fetch_assoc($result)) {
3847 array_push($ids, $line['id']);
3848 }
3849
3850 if (count($ids) > 0) {
3851 $ids = join(",", $ids);
3852
3853 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3854 $tags_deleted += db_affected_rows($tmp_result);
3855 } else {
3856 break;
3857 }
3858
3859 $limit -= $limit_part;
3860 }
3861
3862 return $tags_deleted;
3863 }
3864
3865 function print_user_stylesheet() {
3866 $value = get_pref('USER_STYLESHEET');
3867
3868 if ($value) {
3869 print "<style type=\"text/css\">";
3870 print str_replace("<br/>", "\n", $value);
3871 print "</style>";
3872 }
3873
3874 }
3875
3876 function rewrite_urls($html) {
3877 libxml_use_internal_errors(true);
3878
3879 $charset_hack = '<head>
3880 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3881 </head>';
3882
3883 $doc = new DOMDocument();
3884 $doc->loadHTML($charset_hack . $html);
3885 $xpath = new DOMXPath($doc);
3886
3887 $entries = $xpath->query('//*/text()');
3888
3889 foreach ($entries as $entry) {
3890 if (strstr($entry->wholeText, "://") !== false) {
3891 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3892 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3893
3894 if ($text != $entry->wholeText) {
3895 $cdoc = new DOMDocument();
3896 $cdoc->loadHTML($charset_hack . $text);
3897
3898
3899 foreach ($cdoc->childNodes as $cnode) {
3900 $cnode = $doc->importNode($cnode, true);
3901
3902 if ($cnode) {
3903 $entry->parentNode->insertBefore($cnode);
3904 }
3905 }
3906
3907 $entry->parentNode->removeChild($entry);
3908
3909 }
3910 }
3911 }
3912
3913 $node = $doc->getElementsByTagName('body')->item(0);
3914
3915 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3916 if ($node)
3917 return $doc->saveXML($node);
3918 else
3919 return $html;
3920 }
3921
3922 function filter_to_sql($filter, $owner_uid) {
3923 $query = array();
3924
3925 if (DB_TYPE == "pgsql")
3926 $reg_qpart = "~";
3927 else
3928 $reg_qpart = "REGEXP";
3929
3930 foreach ($filter["rules"] AS $rule) {
3931 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3932 $rule['reg_exp']) !== FALSE;
3933
3934 if ($regexp_valid) {
3935
3936 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3937
3938 switch ($rule["type"]) {
3939 case "title":
3940 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3941 $rule['reg_exp'] . "')";
3942 break;
3943 case "content":
3944 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3945 $rule['reg_exp'] . "')";
3946 break;
3947 case "both":
3948 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3949 $rule['reg_exp'] . "') OR LOWER(" .
3950 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3951 break;
3952 case "tag":
3953 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3954 $rule['reg_exp'] . "')";
3955 break;
3956 case "link":
3957 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3958 $rule['reg_exp'] . "')";
3959 break;
3960 case "author":
3961 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3962 $rule['reg_exp'] . "')";
3963 break;
3964 }
3965
3966 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3967
3968 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3969 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3970 }
3971
3972 if (isset($rule["cat_id"])) {
3973
3974 if ($rule["cat_id"] > 0) {
3975 $children = getChildCategories($rule["cat_id"], $owner_uid);
3976 array_push($children, $rule["cat_id"]);
3977
3978 $children = join(",", $children);
3979
3980 $cat_qpart = "cat_id IN ($children)";
3981 } else {
3982 $cat_qpart = "cat_id IS NULL";
3983 }
3984
3985 $qpart .= " AND $cat_qpart";
3986 }
3987
3988 array_push($query, "($qpart)");
3989
3990 }
3991 }
3992
3993 if (count($query) > 0) {
3994 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3995 } else {
3996 $fullquery = "(false)";
3997 }
3998
3999 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4000
4001 return $fullquery;
4002 }
4003
4004 if (!function_exists('gzdecode')) {
4005 function gzdecode($string) { // no support for 2nd argument
4006 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4007 base64_encode($string));
4008 }
4009 }
4010
4011 function get_random_bytes($length) {
4012 if (function_exists('openssl_random_pseudo_bytes')) {
4013 return openssl_random_pseudo_bytes($length);
4014 } else {
4015 $output = "";
4016
4017 for ($i = 0; $i < $length; $i++)
4018 $output .= chr(mt_rand(0, 255));
4019
4020 return $output;
4021 }
4022 }
4023
4024 function read_stdin() {
4025 $fp = fopen("php://stdin", "r");
4026
4027 if ($fp) {
4028 $line = trim(fgets($fp));
4029 fclose($fp);
4030 return $line;
4031 }
4032
4033 return null;
4034 }
4035
4036 function tmpdirname($path, $prefix) {
4037 // Use PHP's tmpfile function to create a temporary
4038 // directory name. Delete the file and keep the name.
4039 $tempname = tempnam($path,$prefix);
4040 if (!$tempname)
4041 return false;
4042
4043 if (!unlink($tempname))
4044 return false;
4045
4046 return $tempname;
4047 }
4048
4049 function getFeedCategory($feed) {
4050 $result = db_query("SELECT cat_id FROM ttrss_feeds
4051 WHERE id = '$feed'");
4052
4053 if (db_num_rows($result) > 0) {
4054 return db_fetch_result($result, 0, "cat_id");
4055 } else {
4056 return false;
4057 }
4058
4059 }
4060
4061 function implements_interface($class, $interface) {
4062 return in_array($interface, class_implements($class));
4063 }
4064
4065 function geturl($url){
4066
4067 if (!function_exists('curl_init'))
4068 return user_error('CURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini', E_USER_ERROR);
4069
4070 $curl = curl_init();
4071 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4072 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4073 $header[] = "Cache-Control: max-age=0";
4074 $header[] = "Connection: keep-alive";
4075 $header[] = "Keep-Alive: 300";
4076 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4077 $header[] = "Accept-Language: en-us,en;q=0.5";
4078 $header[] = "Pragma: ";
4079
4080 curl_setopt($curl, CURLOPT_URL, $url);
4081 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4082 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4083 curl_setopt($curl, CURLOPT_HEADER, true);
4084 curl_setopt($curl, CURLOPT_REFERER, $url);
4085 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4086 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4087 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4088 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4089 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4090
4091 $html = curl_exec($curl);
4092
4093 $status = curl_getinfo($curl);
4094 curl_close($curl);
4095
4096 if($status['http_code']!=200){
4097 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4098 list($header) = explode("\r\n\r\n", $html, 2);
4099 $matches = array();
4100 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4101 $url = trim(str_replace($matches[1],"",$matches[0]));
4102 $url_parsed = parse_url($url);
4103 return (isset($url_parsed))? geturl($url):'';
4104 }
4105 $oline='';
4106 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4107 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4108 # $handle = @fopen('./curl.error.log', 'a');
4109 # fwrite($handle, $line);
4110 return FALSE;
4111 }
4112 return $url;
4113 }
4114
4115 function get_minified_js($files) {
4116 require_once 'lib/jshrink/Minifier.php';
4117
4118 $rv = '';
4119
4120 foreach ($files as $js) {
4121 if (!isset($_GET['debug'])) {
4122 $cached_file = CACHE_DIR . "/js/$js.js";
4123
4124 if (file_exists($cached_file) &&
4125 is_readable($cached_file) &&
4126 filemtime($cached_file) >= filemtime("js/$js.js")) {
4127
4128 $rv .= file_get_contents($cached_file);
4129
4130 } else {
4131 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4132 file_put_contents($cached_file, $minified);
4133 $rv .= $minified;
4134 }
4135 } else {
4136 $rv .= file_get_contents("js/$js.js");
4137 }
4138 }
4139
4140 return $rv;
4141 }
4142
4143 function stylesheet_tag($filename) {
4144 $timestamp = filemtime($filename);
4145
4146 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4147 }
4148
4149 function javascript_tag($filename) {
4150 $query = "";
4151
4152 if (!(strpos($filename, "?") === FALSE)) {
4153 $query = substr($filename, strpos($filename, "?")+1);
4154 $filename = substr($filename, 0, strpos($filename, "?"));
4155 }
4156
4157 $timestamp = filemtime($filename);
4158
4159 if ($query) $timestamp .= "&$query";
4160
4161 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4162 }
4163
4164 function calculate_dep_timestamp() {
4165 $files = array_merge(glob("js/*.js"), glob("*.css"));
4166
4167 $max_ts = -1;
4168
4169 foreach ($files as $file) {
4170 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4171 }
4172
4173 return $max_ts;
4174 }
4175
4176 function T_js_decl($s1, $s2) {
4177 if ($s1 && $s2) {
4178 $s1 = preg_replace("/\n/", "", $s1);
4179 $s2 = preg_replace("/\n/", "", $s2);
4180
4181 $s1 = preg_replace("/\"/", "\\\"", $s1);
4182 $s2 = preg_replace("/\"/", "\\\"", $s2);
4183
4184 return "T_messages[\"$s1\"] = \"$s2\";\n";
4185 }
4186 }
4187
4188 function init_js_translations() {
4189
4190 print 'var T_messages = new Object();
4191
4192 function __(msg) {
4193 if (T_messages[msg]) {
4194 return T_messages[msg];
4195 } else {
4196 return msg;
4197 }
4198 }
4199
4200 function ngettext(msg1, msg2, n) {
4201 return (parseInt(n) > 1) ? msg2 : msg1;
4202 }';
4203
4204 $l10n = _get_reader();
4205
4206 for ($i = 0; $i < $l10n->total; $i++) {
4207 $orig = $l10n->get_original_string($i);
4208 $translation = __($orig);
4209
4210 print T_js_decl($orig, $translation);
4211 }
4212 }
4213
4214 function label_to_feed_id($label) {
4215 return LABEL_BASE_INDEX - 1 - abs($label);
4216 }
4217
4218 function feed_to_label_id($feed) {
4219 return LABEL_BASE_INDEX - 1 + abs($feed);
4220 }
4221
4222 function format_libxml_error($error) {
4223 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4224 $error->code, $error->line, $error->column,
4225 $error->message);
4226 }
4227
4228 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/