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[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 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2849 return $version_data;
2850 }
2851 }
2852 }
2853 }
2854 return false;
2855 }
2856
2857 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2858
2859 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2860 if (count($ids) == 0) return;
2861
2862 $tmp_ids = array();
2863
2864 foreach ($ids as $id) {
2865 array_push($tmp_ids, "ref_id = '$id'");
2866 }
2867
2868 $ids_qpart = join(" OR ", $tmp_ids);
2869
2870 if ($cmode == 0) {
2871 db_query("UPDATE ttrss_user_entries SET
2872 unread = false,last_read = NOW()
2873 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2874 } else if ($cmode == 1) {
2875 db_query("UPDATE ttrss_user_entries SET
2876 unread = true
2877 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2878 } else {
2879 db_query("UPDATE ttrss_user_entries SET
2880 unread = NOT unread,last_read = NOW()
2881 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2882 }
2883
2884 /* update ccache */
2885
2886 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2887 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2888
2889 while ($line = db_fetch_assoc($result)) {
2890 ccache_update($line["feed_id"], $owner_uid);
2891 }
2892 }
2893
2894 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2895
2896 $a_id = db_escape_string($id);
2897
2898 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2899
2900 $query = "SELECT DISTINCT tag_name,
2901 owner_uid as owner FROM
2902 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2903 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2904
2905 $tags = array();
2906
2907 /* check cache first */
2908
2909 if ($tag_cache === false) {
2910 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2911 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2912
2913 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2914 }
2915
2916 if ($tag_cache) {
2917 $tags = explode(",", $tag_cache);
2918 } else {
2919
2920 /* do it the hard way */
2921
2922 $tmp_result = db_query($query);
2923
2924 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2925 array_push($tags, $tmp_line["tag_name"]);
2926 }
2927
2928 /* update the cache */
2929
2930 $tags_str = db_escape_string(join(",", $tags));
2931
2932 db_query("UPDATE ttrss_user_entries
2933 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2934 AND owner_uid = $owner_uid");
2935 }
2936
2937 return $tags;
2938 }
2939
2940 function trim_array($array) {
2941 $tmp = $array;
2942 array_walk($tmp, 'trim');
2943 return $tmp;
2944 }
2945
2946 function tag_is_valid($tag) {
2947 if ($tag == '') return false;
2948 if (preg_match("/^[0-9]*$/", $tag)) return false;
2949 if (mb_strlen($tag) > 250) return false;
2950
2951 if (function_exists('iconv')) {
2952 $tag = iconv("utf-8", "utf-8", $tag);
2953 }
2954
2955 if (!$tag) return false;
2956
2957 return true;
2958 }
2959
2960 function render_login_form() {
2961 header('Cache-Control: public');
2962
2963 require_once "login_form.php";
2964 exit;
2965 }
2966
2967 function format_warning($msg, $id = "") {
2968 global $link;
2969 return "<div class=\"warning\" id=\"$id\">
2970 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2971 }
2972
2973 function format_notice($msg, $id = "") {
2974 global $link;
2975 return "<div class=\"notice\" id=\"$id\">
2976 <span><img src=\"images/sign_info.svg\"></span><span>$msg</span></div>";
2977 }
2978
2979 function format_error($msg, $id = "") {
2980 global $link;
2981 return "<div class=\"error\" id=\"$id\">
2982 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2983 }
2984
2985 function print_notice($msg) {
2986 return print format_notice($msg);
2987 }
2988
2989 function print_warning($msg) {
2990 return print format_warning($msg);
2991 }
2992
2993 function print_error($msg) {
2994 return print format_error($msg);
2995 }
2996
2997
2998 function T_sprintf() {
2999 $args = func_get_args();
3000 return vsprintf(__(array_shift($args)), $args);
3001 }
3002
3003 function format_inline_player($url, $ctype) {
3004
3005 $entry = "";
3006
3007 $url = htmlspecialchars($url);
3008
3009 if (strpos($ctype, "audio/") === 0) {
3010
3011 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3012 $_SESSION["hasMp3"])) {
3013
3014 $entry .= "<audio controls>
3015 <source type=\"$ctype\" src=\"$url\"></source>
3016 </audio>";
3017
3018 } else {
3019
3020 $entry .= "<object type=\"application/x-shockwave-flash\"
3021 data=\"lib/button/musicplayer.swf?song_url=$url\"
3022 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3023 <param name=\"movie\"
3024 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3025 </object>";
3026 }
3027
3028 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3029 href=\"$url\">" . basename($url) . "</a>";
3030
3031 return $entry;
3032
3033 }
3034
3035 return "";
3036
3037 /* $filename = substr($url, strrpos($url, "/")+1);
3038
3039 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3040 $filename . " (" . $ctype . ")" . "</a>"; */
3041
3042 }
3043
3044 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3045 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3046
3047 $rv = array();
3048
3049 $rv['id'] = $id;
3050
3051 /* we can figure out feed_id from article id anyway, why do we
3052 * pass feed_id here? let's ignore the argument :(*/
3053
3054 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3055 WHERE ref_id = '$id'");
3056
3057 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3058
3059 $rv['feed_id'] = $feed_id;
3060
3061 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3062
3063 if ($mark_as_read) {
3064 $result = db_query("UPDATE ttrss_user_entries
3065 SET unread = false,last_read = NOW()
3066 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3067
3068 ccache_update($feed_id, $owner_uid);
3069 }
3070
3071 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3072 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3073 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3074 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3075 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3076 num_comments,
3077 tag_cache,
3078 author,
3079 orig_feed_id,
3080 note,
3081 cached_content
3082 FROM ttrss_entries,ttrss_user_entries
3083 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3084
3085 if ($result) {
3086
3087 $line = db_fetch_assoc($result);
3088
3089 $tag_cache = $line["tag_cache"];
3090
3091 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3092 unset($line["tag_cache"]);
3093
3094 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3095
3096 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3097 $line = $p->hook_render_article($line);
3098 }
3099
3100 $num_comments = $line["num_comments"];
3101 $entry_comments = "";
3102
3103 if ($num_comments > 0) {
3104 if ($line["comments"]) {
3105 $comments_url = htmlspecialchars($line["comments"]);
3106 } else {
3107 $comments_url = htmlspecialchars($line["link"]);
3108 }
3109 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3110 } else {
3111 if ($line["comments"] && $line["link"] != $line["comments"]) {
3112 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3113 }
3114 }
3115
3116 if ($zoom_mode) {
3117 header("Content-Type: text/html");
3118 $rv['content'] .= "<html><head>
3119 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3120 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3121 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3122 </head><body id=\"ttrssZoom\">";
3123 }
3124
3125 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3126
3127 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3128
3129 $entry_author = $line["author"];
3130
3131 if ($entry_author) {
3132 $entry_author = __(" - ") . $entry_author;
3133 }
3134
3135 $parsed_updated = make_local_datetime($line["updated"], true,
3136 $owner_uid, true);
3137
3138 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3139
3140 if ($line["link"]) {
3141 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3142 title=\"".htmlspecialchars($line['title'])."\"
3143 href=\"" .
3144 htmlspecialchars($line["link"]) . "\">" .
3145 $line["title"] . "</a>" .
3146 "<span class='author'>$entry_author</span></div>";
3147 } else {
3148 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3149 }
3150
3151 $tags_str = format_tags_string($line["tags"], $id);
3152 $tags_str_full = join(", ", $line["tags"]);
3153
3154 if (!$tags_str_full) $tags_str_full = __("no tags");
3155
3156 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3157
3158 $rv['content'] .= "<div class='postTags' style='float : right'>
3159 <img src='images/tag.png'
3160 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3161
3162 if (!$zoom_mode) {
3163 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3164 <a title=\"".__('Edit tags for this article')."\"
3165 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3166
3167 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3168 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3169 position=\"below\">$tags_str_full</div>";
3170
3171 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3172 $rv['content'] .= $p->hook_article_button($line);
3173 }
3174
3175 } else {
3176 $tags_str = strip_tags($tags_str);
3177 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3178 }
3179 $rv['content'] .= "</div>";
3180 $rv['content'] .= "<div clear='both'>";
3181
3182 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3183 $rv['content'] .= $p->hook_article_left_button($line);
3184 }
3185
3186 $rv['content'] .= "$entry_comments</div>";
3187
3188 if ($line["orig_feed_id"]) {
3189
3190 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3191 WHERE id = ".$line["orig_feed_id"]);
3192
3193 if (db_num_rows($tmp_result) != 0) {
3194
3195 $rv['content'] .= "<div clear='both'>";
3196 $rv['content'] .= __("Originally from:");
3197
3198 $rv['content'] .= "&nbsp;";
3199
3200 $tmp_line = db_fetch_assoc($tmp_result);
3201
3202 $rv['content'] .= "<a target='_blank'
3203 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3204 $tmp_line['title'] . "</a>";
3205
3206 $rv['content'] .= "&nbsp;";
3207
3208 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3209 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3210
3211 $rv['content'] .= "</div>";
3212 }
3213 }
3214
3215 $rv['content'] .= "</div>";
3216
3217 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3218 if ($line['note']) {
3219 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3220 }
3221 $rv['content'] .= "</div>";
3222
3223 $rv['content'] .= "<div class=\"postContent\">";
3224
3225 $rv['content'] .= $line["content"];
3226 $rv['content'] .= format_article_enclosures($id,
3227 sql_bool_to_bool($line["always_display_enclosures"]),
3228 $line["content"],
3229 sql_bool_to_bool($line["hide_images"]));
3230
3231 $rv['content'] .= "</div>";
3232
3233 $rv['content'] .= "</div>";
3234
3235 }
3236
3237 if ($zoom_mode) {
3238 $rv['content'] .= "
3239 <div class='footer'>
3240 <button onclick=\"return window.close()\">".
3241 __("Close this window")."</button></div>";
3242 $rv['content'] .= "</body></html>";
3243 }
3244
3245 return $rv;
3246
3247 }
3248
3249 function print_checkpoint($n, $s) {
3250 $ts = microtime(true);
3251 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3252 return $ts;
3253 }
3254
3255 function sanitize_tag($tag) {
3256 $tag = trim($tag);
3257
3258 $tag = mb_strtolower($tag, 'utf-8');
3259
3260 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3261
3262 // $tag = str_replace('"', "", $tag);
3263 // $tag = str_replace("+", " ", $tag);
3264 $tag = str_replace("technorati tag: ", "", $tag);
3265
3266 return $tag;
3267 }
3268
3269 function get_self_url_prefix() {
3270 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3271 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3272 } else {
3273 return SELF_URL_PATH;
3274 }
3275 }
3276
3277 /**
3278 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3279 *
3280 * @return string The Mozilla Firefox feed adding URL.
3281 */
3282 function add_feed_url() {
3283 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3284
3285 $url_path = get_self_url_prefix() .
3286 "/public.php?op=subscribe&feed_url=%s";
3287 return $url_path;
3288 } // function add_feed_url
3289
3290 function encrypt_password($pass, $salt = '', $mode2 = false) {
3291 if ($salt && $mode2) {
3292 return "MODE2:" . hash('sha256', $salt . $pass);
3293 } else if ($salt) {
3294 return "SHA1X:" . sha1("$salt:$pass");
3295 } else {
3296 return "SHA1:" . sha1($pass);
3297 }
3298 } // function encrypt_password
3299
3300 function load_filters($feed_id, $owner_uid, $action_id = false) {
3301 $filters = array();
3302
3303 $cat_id = (int)getFeedCategory($feed_id);
3304
3305 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3306 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3307
3308 $check_cats = join(",", array_merge(
3309 getParentCategories($cat_id, $owner_uid),
3310 array($cat_id)));
3311
3312 while ($line = db_fetch_assoc($result)) {
3313 $filter_id = $line["id"];
3314
3315 $result2 = db_query("SELECT
3316 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3317 FROM ttrss_filters2_rules AS r,
3318 ttrss_filter_types AS t
3319 WHERE
3320 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3321 (feed_id IS NULL OR feed_id = '$feed_id') AND
3322 filter_type = t.id AND filter_id = '$filter_id'");
3323
3324 $rules = array();
3325 $actions = array();
3326
3327 while ($rule_line = db_fetch_assoc($result2)) {
3328 # print_r($rule_line);
3329
3330 $rule = array();
3331 $rule["reg_exp"] = $rule_line["reg_exp"];
3332 $rule["type"] = $rule_line["type_name"];
3333 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3334
3335 array_push($rules, $rule);
3336 }
3337
3338 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3339 FROM ttrss_filters2_actions AS a,
3340 ttrss_filter_actions AS t
3341 WHERE
3342 action_id = t.id AND filter_id = '$filter_id'");
3343
3344 while ($action_line = db_fetch_assoc($result2)) {
3345 # print_r($action_line);
3346
3347 $action = array();
3348 $action["type"] = $action_line["type_name"];
3349 $action["param"] = $action_line["action_param"];
3350
3351 array_push($actions, $action);
3352 }
3353
3354
3355 $filter = array();
3356 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3357 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3358 $filter["rules"] = $rules;
3359 $filter["actions"] = $actions;
3360
3361 if (count($rules) > 0 && count($actions) > 0) {
3362 array_push($filters, $filter);
3363 }
3364 }
3365
3366 return $filters;
3367 }
3368
3369 function get_score_pic($score) {
3370 if ($score > 100) {
3371 return "score_high.png";
3372 } else if ($score > 0) {
3373 return "score_half_high.png";
3374 } else if ($score < -100) {
3375 return "score_low.png";
3376 } else if ($score < 0) {
3377 return "score_half_low.png";
3378 } else {
3379 return "score_neutral.png";
3380 }
3381 }
3382
3383 function feed_has_icon($id) {
3384 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3385 }
3386
3387 function init_plugins() {
3388 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3389
3390 return true;
3391 }
3392
3393 function format_tags_string($tags, $id) {
3394 if (!is_array($tags) || count($tags) == 0) {
3395 return __("no tags");
3396 } else {
3397 $maxtags = min(5, count($tags));
3398
3399 for ($i = 0; $i < $maxtags; $i++) {
3400 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."'\")>" . $tags[$i] . "</a>, ";
3401 }
3402
3403 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3404
3405 if (count($tags) > $maxtags)
3406 $tags_str .= ", &hellip;";
3407
3408 return $tags_str;
3409 }
3410 }
3411
3412 function format_article_labels($labels, $id) {
3413
3414 if (!is_array($labels)) return '';
3415
3416 $labels_str = "";
3417
3418 foreach ($labels as $l) {
3419 $labels_str .= sprintf("<span class='hlLabelRef'
3420 style='color : %s; background-color : %s'>%s</span>",
3421 $l[2], $l[3], $l[1]);
3422 }
3423
3424 return $labels_str;
3425
3426 }
3427
3428 function format_article_note($id, $note, $allow_edit = true) {
3429
3430 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3431 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3432 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3433
3434 return $str;
3435 }
3436
3437
3438 function get_feed_category($feed_cat, $parent_cat_id = false) {
3439 if ($parent_cat_id) {
3440 $parent_qpart = "parent_cat = '$parent_cat_id'";
3441 $parent_insert = "'$parent_cat_id'";
3442 } else {
3443 $parent_qpart = "parent_cat IS NULL";
3444 $parent_insert = "NULL";
3445 }
3446
3447 $result = db_query(
3448 "SELECT id FROM ttrss_feed_categories
3449 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3450
3451 if (db_num_rows($result) == 0) {
3452 return false;
3453 } else {
3454 return db_fetch_result($result, 0, "id");
3455 }
3456 }
3457
3458 function add_feed_category($feed_cat, $parent_cat_id = false) {
3459
3460 if (!$feed_cat) return false;
3461
3462 db_query("BEGIN");
3463
3464 if ($parent_cat_id) {
3465 $parent_qpart = "parent_cat = '$parent_cat_id'";
3466 $parent_insert = "'$parent_cat_id'";
3467 } else {
3468 $parent_qpart = "parent_cat IS NULL";
3469 $parent_insert = "NULL";
3470 }
3471
3472 $feed_cat = mb_substr($feed_cat, 0, 250);
3473
3474 $result = db_query(
3475 "SELECT id FROM ttrss_feed_categories
3476 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3477
3478 if (db_num_rows($result) == 0) {
3479
3480 $result = db_query(
3481 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3482 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3483
3484 db_query("COMMIT");
3485
3486 return true;
3487 }
3488
3489 return false;
3490 }
3491
3492 function getArticleFeed($id) {
3493 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3494 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3495
3496 if (db_num_rows($result) != 0) {
3497 return db_fetch_result($result, 0, "feed_id");
3498 } else {
3499 return 0;
3500 }
3501 }
3502
3503 /**
3504 * Fixes incomplete URLs by prepending "http://".
3505 * Also replaces feed:// with http://, and
3506 * prepends a trailing slash if the url is a domain name only.
3507 *
3508 * @param string $url Possibly incomplete URL
3509 *
3510 * @return string Fixed URL.
3511 */
3512 function fix_url($url) {
3513 if (strpos($url, '://') === false) {
3514 $url = 'http://' . $url;
3515 } else if (substr($url, 0, 5) == 'feed:') {
3516 $url = 'http:' . substr($url, 5);
3517 }
3518
3519 //prepend slash if the URL has no slash in it
3520 // "http://www.example" -> "http://www.example/"
3521 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3522 $url .= '/';
3523 }
3524
3525 if ($url != "http:///")
3526 return $url;
3527 else
3528 return '';
3529 }
3530
3531 function validate_feed_url($url) {
3532 $parts = parse_url($url);
3533
3534 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3535
3536 }
3537
3538 function get_article_enclosures($id) {
3539
3540 $query = "SELECT * FROM ttrss_enclosures
3541 WHERE post_id = '$id' AND content_url != ''";
3542
3543 $rv = array();
3544
3545 $result = db_query($query);
3546
3547 if (db_num_rows($result) > 0) {
3548 while ($line = db_fetch_assoc($result)) {
3549 array_push($rv, $line);
3550 }
3551 }
3552
3553 return $rv;
3554 }
3555
3556 function save_email_address($email) {
3557 // FIXME: implement persistent storage of emails
3558
3559 if (!$_SESSION['stored_emails'])
3560 $_SESSION['stored_emails'] = array();
3561
3562 if (!in_array($email, $_SESSION['stored_emails']))
3563 array_push($_SESSION['stored_emails'], $email);
3564 }
3565
3566
3567 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3568
3569 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3570
3571 $sql_is_cat = bool_to_sql_bool($is_cat);
3572
3573 $result = db_query("SELECT access_key FROM ttrss_access_keys
3574 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3575 AND owner_uid = " . $owner_uid);
3576
3577 if (db_num_rows($result) == 1) {
3578 return db_fetch_result($result, 0, "access_key");
3579 } else {
3580 $key = db_escape_string(sha1(uniqid(rand(), true)));
3581
3582 $result = db_query("INSERT INTO ttrss_access_keys
3583 (access_key, feed_id, is_cat, owner_uid)
3584 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3585
3586 return $key;
3587 }
3588 return false;
3589 }
3590
3591 function get_feeds_from_html($url, $content)
3592 {
3593 $url = fix_url($url);
3594 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3595
3596 libxml_use_internal_errors(true);
3597
3598 $doc = new DOMDocument();
3599 $doc->loadHTML($content);
3600 $xpath = new DOMXPath($doc);
3601 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3602 $feedUrls = array();
3603 foreach ($entries as $entry) {
3604 if ($entry->hasAttribute('href')) {
3605 $title = $entry->getAttribute('title');
3606 if ($title == '') {
3607 $title = $entry->getAttribute('type');
3608 }
3609 $feedUrl = rewrite_relative_url(
3610 $baseUrl, $entry->getAttribute('href')
3611 );
3612 $feedUrls[$feedUrl] = $title;
3613 }
3614 }
3615 return $feedUrls;
3616 }
3617
3618 function is_html($content) {
3619 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3620 }
3621
3622 function url_is_html($url, $login = false, $pass = false) {
3623 return is_html(fetch_file_contents($url, false, $login, $pass));
3624 }
3625
3626 function print_label_select($name, $value, $attributes = "") {
3627
3628 $result = db_query("SELECT caption FROM ttrss_labels2
3629 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3630
3631 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3632 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3633
3634 while ($line = db_fetch_assoc($result)) {
3635
3636 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3637
3638 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3639 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3640
3641 }
3642
3643 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3644
3645 print "</select>";
3646
3647
3648 }
3649
3650 function format_article_enclosures($id, $always_display_enclosures,
3651 $article_content, $hide_images = false) {
3652
3653 $result = get_article_enclosures($id);
3654 $rv = '';
3655
3656 if (count($result) > 0) {
3657
3658 $entries_html = array();
3659 $entries = array();
3660 $entries_inline = array();
3661
3662 foreach ($result as $line) {
3663
3664 $url = $line["content_url"];
3665 $ctype = $line["content_type"];
3666
3667 if (!$ctype) $ctype = __("unknown type");
3668
3669 $filename = substr($url, strrpos($url, "/")+1);
3670
3671 $player = format_inline_player($url, $ctype);
3672
3673 if ($player) array_push($entries_inline, $player);
3674
3675 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3676 # $filename . " (" . $ctype . ")" . "</a>";
3677
3678 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3679 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3680
3681 array_push($entries_html, $entry);
3682
3683 $entry = array();
3684
3685 $entry["type"] = $ctype;
3686 $entry["filename"] = $filename;
3687 $entry["url"] = $url;
3688
3689 array_push($entries, $entry);
3690 }
3691
3692 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3693 if ($always_display_enclosures ||
3694 !preg_match("/<img/i", $article_content)) {
3695
3696 foreach ($entries as $entry) {
3697
3698 if (preg_match("/image/", $entry["type"]) ||
3699 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3700
3701 if (!$hide_images) {
3702 $rv .= "<p><img
3703 alt=\"".htmlspecialchars($entry["filename"])."\"
3704 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3705 } else {
3706 $rv .= "<p><a target=\"_blank\"
3707 href=\"".htmlspecialchars($entry["url"])."\"
3708 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3709
3710 }
3711 }
3712 }
3713 }
3714 }
3715
3716 if (count($entries_inline) > 0) {
3717 $rv .= "<hr clear='both'/>";
3718 foreach ($entries_inline as $entry) { $rv .= $entry; };
3719 $rv .= "<hr clear='both'/>";
3720 }
3721
3722 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3723 "<option value=''>" . __('Attachments')."</option>";
3724
3725 foreach ($entries as $entry) {
3726 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3727
3728 };
3729
3730 $rv .= "</select>";
3731 }
3732
3733 return $rv;
3734 }
3735
3736 function getLastArticleId() {
3737 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3738 WHERE owner_uid = " . $_SESSION["uid"]);
3739
3740 if (db_num_rows($result) == 1) {
3741 return db_fetch_result($result, 0, "id");
3742 } else {
3743 return -1;
3744 }
3745 }
3746
3747 function build_url($parts) {
3748 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3749 }
3750
3751 /**
3752 * Converts a (possibly) relative URL to a absolute one.
3753 *
3754 * @param string $url Base URL (i.e. from where the document is)
3755 * @param string $rel_url Possibly relative URL in the document
3756 *
3757 * @return string Absolute URL
3758 */
3759 function rewrite_relative_url($url, $rel_url) {
3760 if (strpos($rel_url, "magnet:") === 0) {
3761 return $rel_url;
3762 } else if (strpos($rel_url, "://") !== false) {
3763 return $rel_url;
3764 } else if (strpos($rel_url, "//") === 0) {
3765 # protocol-relative URL (rare but they exist)
3766 return $rel_url;
3767 } else if (strpos($rel_url, "/") === 0)
3768 {
3769 $parts = parse_url($url);
3770 $parts['path'] = $rel_url;
3771
3772 return build_url($parts);
3773
3774 } else {
3775 $parts = parse_url($url);
3776 if (!isset($parts['path'])) {
3777 $parts['path'] = '/';
3778 }
3779 $dir = $parts['path'];
3780 if (substr($dir, -1) !== '/') {
3781 $dir = dirname($parts['path']);
3782 $dir !== '/' && $dir .= '/';
3783 }
3784 $parts['path'] = $dir . $rel_url;
3785
3786 return build_url($parts);
3787 }
3788 }
3789
3790 function sphinx_search($query, $offset = 0, $limit = 30) {
3791 require_once 'lib/sphinxapi.php';
3792
3793 $sphinxClient = new SphinxClient();
3794
3795 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3796
3797 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3798 $sphinxClient->SetConnectTimeout(1);
3799
3800 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3801 'feed_title' => 20));
3802
3803 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3804 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3805 $sphinxClient->SetLimits($offset, $limit, 1000);
3806 $sphinxClient->SetArrayResult(false);
3807 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3808
3809 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3810
3811 $ids = array();
3812
3813 if (is_array($result['matches'])) {
3814 foreach (array_keys($result['matches']) as $int_id) {
3815 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3816 array_push($ids, $ref_id);
3817 }
3818 }
3819
3820 return $ids;
3821 }
3822
3823 function cleanup_tags($days = 14, $limit = 1000) {
3824
3825 if (DB_TYPE == "pgsql") {
3826 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3827 } else if (DB_TYPE == "mysql") {
3828 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3829 }
3830
3831 $tags_deleted = 0;
3832
3833 while ($limit > 0) {
3834 $limit_part = 500;
3835
3836 $query = "SELECT ttrss_tags.id AS id
3837 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3838 WHERE post_int_id = int_id AND $interval_query AND
3839 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3840
3841 $result = db_query($query);
3842
3843 $ids = array();
3844
3845 while ($line = db_fetch_assoc($result)) {
3846 array_push($ids, $line['id']);
3847 }
3848
3849 if (count($ids) > 0) {
3850 $ids = join(",", $ids);
3851
3852 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3853 $tags_deleted += db_affected_rows($tmp_result);
3854 } else {
3855 break;
3856 }
3857
3858 $limit -= $limit_part;
3859 }
3860
3861 return $tags_deleted;
3862 }
3863
3864 function print_user_stylesheet() {
3865 $value = get_pref('USER_STYLESHEET');
3866
3867 if ($value) {
3868 print "<style type=\"text/css\">";
3869 print str_replace("<br/>", "\n", $value);
3870 print "</style>";
3871 }
3872
3873 }
3874
3875 function rewrite_urls($html) {
3876 libxml_use_internal_errors(true);
3877
3878 $charset_hack = '<head>
3879 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3880 </head>';
3881
3882 $doc = new DOMDocument();
3883 $doc->loadHTML($charset_hack . $html);
3884 $xpath = new DOMXPath($doc);
3885
3886 $entries = $xpath->query('//*/text()');
3887
3888 foreach ($entries as $entry) {
3889 if (strstr($entry->wholeText, "://") !== false) {
3890 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3891 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3892
3893 if ($text != $entry->wholeText) {
3894 $cdoc = new DOMDocument();
3895 $cdoc->loadHTML($charset_hack . $text);
3896
3897
3898 foreach ($cdoc->childNodes as $cnode) {
3899 $cnode = $doc->importNode($cnode, true);
3900
3901 if ($cnode) {
3902 $entry->parentNode->insertBefore($cnode);
3903 }
3904 }
3905
3906 $entry->parentNode->removeChild($entry);
3907
3908 }
3909 }
3910 }
3911
3912 $node = $doc->getElementsByTagName('body')->item(0);
3913
3914 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3915 if ($node)
3916 return $doc->saveXML($node);
3917 else
3918 return $html;
3919 }
3920
3921 function filter_to_sql($filter, $owner_uid) {
3922 $query = array();
3923
3924 if (DB_TYPE == "pgsql")
3925 $reg_qpart = "~";
3926 else
3927 $reg_qpart = "REGEXP";
3928
3929 foreach ($filter["rules"] AS $rule) {
3930 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3931 $rule['reg_exp']) !== FALSE;
3932
3933 if ($regexp_valid) {
3934
3935 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3936
3937 switch ($rule["type"]) {
3938 case "title":
3939 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3940 $rule['reg_exp'] . "')";
3941 break;
3942 case "content":
3943 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3944 $rule['reg_exp'] . "')";
3945 break;
3946 case "both":
3947 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3948 $rule['reg_exp'] . "') OR LOWER(" .
3949 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3950 break;
3951 case "tag":
3952 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3953 $rule['reg_exp'] . "')";
3954 break;
3955 case "link":
3956 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3957 $rule['reg_exp'] . "')";
3958 break;
3959 case "author":
3960 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3961 $rule['reg_exp'] . "')";
3962 break;
3963 }
3964
3965 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3966
3967 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3968 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3969 }
3970
3971 if (isset($rule["cat_id"])) {
3972
3973 if ($rule["cat_id"] > 0) {
3974 $children = getChildCategories($rule["cat_id"], $owner_uid);
3975 array_push($children, $rule["cat_id"]);
3976
3977 $children = join(",", $children);
3978
3979 $cat_qpart = "cat_id IN ($children)";
3980 } else {
3981 $cat_qpart = "cat_id IS NULL";
3982 }
3983
3984 $qpart .= " AND $cat_qpart";
3985 }
3986
3987 array_push($query, "($qpart)");
3988
3989 }
3990 }
3991
3992 if (count($query) > 0) {
3993 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3994 } else {
3995 $fullquery = "(false)";
3996 }
3997
3998 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
3999
4000 return $fullquery;
4001 }
4002
4003 if (!function_exists('gzdecode')) {
4004 function gzdecode($string) { // no support for 2nd argument
4005 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4006 base64_encode($string));
4007 }
4008 }
4009
4010 function get_random_bytes($length) {
4011 if (function_exists('openssl_random_pseudo_bytes')) {
4012 return openssl_random_pseudo_bytes($length);
4013 } else {
4014 $output = "";
4015
4016 for ($i = 0; $i < $length; $i++)
4017 $output .= chr(mt_rand(0, 255));
4018
4019 return $output;
4020 }
4021 }
4022
4023 function read_stdin() {
4024 $fp = fopen("php://stdin", "r");
4025
4026 if ($fp) {
4027 $line = trim(fgets($fp));
4028 fclose($fp);
4029 return $line;
4030 }
4031
4032 return null;
4033 }
4034
4035 function tmpdirname($path, $prefix) {
4036 // Use PHP's tmpfile function to create a temporary
4037 // directory name. Delete the file and keep the name.
4038 $tempname = tempnam($path,$prefix);
4039 if (!$tempname)
4040 return false;
4041
4042 if (!unlink($tempname))
4043 return false;
4044
4045 return $tempname;
4046 }
4047
4048 function getFeedCategory($feed) {
4049 $result = db_query("SELECT cat_id FROM ttrss_feeds
4050 WHERE id = '$feed'");
4051
4052 if (db_num_rows($result) > 0) {
4053 return db_fetch_result($result, 0, "cat_id");
4054 } else {
4055 return false;
4056 }
4057
4058 }
4059
4060 function implements_interface($class, $interface) {
4061 return in_array($interface, class_implements($class));
4062 }
4063
4064 function geturl($url){
4065
4066 if (!function_exists('curl_init'))
4067 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);
4068
4069 $curl = curl_init();
4070 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4071 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4072 $header[] = "Cache-Control: max-age=0";
4073 $header[] = "Connection: keep-alive";
4074 $header[] = "Keep-Alive: 300";
4075 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4076 $header[] = "Accept-Language: en-us,en;q=0.5";
4077 $header[] = "Pragma: ";
4078
4079 curl_setopt($curl, CURLOPT_URL, $url);
4080 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4081 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4082 curl_setopt($curl, CURLOPT_HEADER, true);
4083 curl_setopt($curl, CURLOPT_REFERER, $url);
4084 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4085 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4086 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4087 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4088 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4089
4090 $html = curl_exec($curl);
4091
4092 $status = curl_getinfo($curl);
4093 curl_close($curl);
4094
4095 if($status['http_code']!=200){
4096 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4097 list($header) = explode("\r\n\r\n", $html, 2);
4098 $matches = array();
4099 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4100 $url = trim(str_replace($matches[1],"",$matches[0]));
4101 $url_parsed = parse_url($url);
4102 return (isset($url_parsed))? geturl($url):'';
4103 }
4104 $oline='';
4105 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4106 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4107 # $handle = @fopen('./curl.error.log', 'a');
4108 # fwrite($handle, $line);
4109 return FALSE;
4110 }
4111 return $url;
4112 }
4113
4114 function get_minified_js($files) {
4115 require_once 'lib/jshrink/Minifier.php';
4116
4117 $rv = '';
4118
4119 foreach ($files as $js) {
4120 if (!isset($_GET['debug'])) {
4121 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4122
4123 if (file_exists($cached_file) &&
4124 is_readable($cached_file) &&
4125 filemtime($cached_file) >= filemtime("js/$js.js")) {
4126
4127 $rv .= file_get_contents($cached_file);
4128
4129 } else {
4130 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4131 file_put_contents($cached_file, $minified);
4132 $rv .= $minified;
4133 }
4134 } else {
4135 $rv .= file_get_contents("js/$js.js");
4136 }
4137 }
4138
4139 return $rv;
4140 }
4141
4142 function stylesheet_tag($filename) {
4143 $timestamp = filemtime($filename);
4144
4145 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4146 }
4147
4148 function javascript_tag($filename) {
4149 $query = "";
4150
4151 if (!(strpos($filename, "?") === FALSE)) {
4152 $query = substr($filename, strpos($filename, "?")+1);
4153 $filename = substr($filename, 0, strpos($filename, "?"));
4154 }
4155
4156 $timestamp = filemtime($filename);
4157
4158 if ($query) $timestamp .= "&$query";
4159
4160 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4161 }
4162
4163 function calculate_dep_timestamp() {
4164 $files = array_merge(glob("js/*.js"), glob("*.css"));
4165
4166 $max_ts = -1;
4167
4168 foreach ($files as $file) {
4169 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4170 }
4171
4172 return $max_ts;
4173 }
4174
4175 function T_js_decl($s1, $s2) {
4176 if ($s1 && $s2) {
4177 $s1 = preg_replace("/\n/", "", $s1);
4178 $s2 = preg_replace("/\n/", "", $s2);
4179
4180 $s1 = preg_replace("/\"/", "\\\"", $s1);
4181 $s2 = preg_replace("/\"/", "\\\"", $s2);
4182
4183 return "T_messages[\"$s1\"] = \"$s2\";\n";
4184 }
4185 }
4186
4187 function init_js_translations() {
4188
4189 print 'var T_messages = new Object();
4190
4191 function __(msg) {
4192 if (T_messages[msg]) {
4193 return T_messages[msg];
4194 } else {
4195 return msg;
4196 }
4197 }
4198
4199 function ngettext(msg1, msg2, n) {
4200 return (parseInt(n) > 1) ? msg2 : msg1;
4201 }';
4202
4203 $l10n = _get_reader();
4204
4205 for ($i = 0; $i < $l10n->total; $i++) {
4206 $orig = $l10n->get_original_string($i);
4207 $translation = __($orig);
4208
4209 print T_js_decl($orig, $translation);
4210 }
4211 }
4212
4213 function label_to_feed_id($label) {
4214 return LABEL_BASE_INDEX - 1 - abs($label);
4215 }
4216
4217 function feed_to_label_id($feed) {
4218 return LABEL_BASE_INDEX - 1 + abs($feed);
4219 }
4220
4221 function format_libxml_error($error) {
4222 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4223 $error->code, $error->line, $error->column,
4224 $error->message);
4225 }
4226
4227 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/