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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($filename) {
964 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
965 if (function_exists('flock')) {
966 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
967 if ($fp) {
968 if (flock($fp, LOCK_EX | LOCK_NB)) {
969 flock($fp, LOCK_UN);
970 fclose($fp);
971 return false;
972 }
973 fclose($fp);
974 return true;
975 } else {
976 return false;
977 }
978 }
979 return true; // consider the file always locked and skip the test
980 } else {
981 return false;
982 }
983 }
984
985
986 function make_lockfile($filename) {
987 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
988
989 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
990 if (function_exists('posix_getpid')) {
991 fwrite($fp, posix_getpid() . "\n");
992 }
993 return $fp;
994 } else {
995 return false;
996 }
997 }
998
999 function make_stampfile($filename) {
1000 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1001
1002 if (flock($fp, LOCK_EX | LOCK_NB)) {
1003 fwrite($fp, time() . "\n");
1004 flock($fp, LOCK_UN);
1005 fclose($fp);
1006 return true;
1007 } else {
1008 return false;
1009 }
1010 }
1011
1012 function sql_random_function() {
1013 if (DB_TYPE == "mysql") {
1014 return "RAND()";
1015 } else {
1016 return "RANDOM()";
1017 }
1018 }
1019
1020 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1021
1022 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1023
1024 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1025
1026 // Todo: all this interval stuff needs some generic generator function
1027
1028 $date_qpart = "false";
1029
1030 switch ($mode) {
1031 case "1day":
1032 if (DB_TYPE == "pgsql") {
1033 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1034 } else {
1035 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1036 }
1037 break;
1038 case "1week":
1039 if (DB_TYPE == "pgsql") {
1040 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1041 } else {
1042 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1043 }
1044 break;
1045 case "2weeks":
1046 if (DB_TYPE == "pgsql") {
1047 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1048 } else {
1049 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1050 }
1051 break;
1052 default:
1053 $date_qpart = "true";
1054 }
1055
1056 if (is_numeric($feed)) {
1057 if ($cat_view) {
1058
1059 if ($feed >= 0) {
1060
1061 if ($feed > 0) {
1062 $children = getChildCategories($feed, $owner_uid);
1063 array_push($children, $feed);
1064
1065 $children = join(",", $children);
1066
1067 $cat_qpart = "cat_id IN ($children)";
1068 } else {
1069 $cat_qpart = "cat_id IS NULL";
1070 }
1071
1072 db_query("UPDATE ttrss_user_entries
1073 SET unread = false, last_read = NOW() WHERE ref_id IN
1074 (SELECT id FROM
1075 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1076 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1077 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1078
1079 } else if ($feed == -2) {
1080
1081 db_query("UPDATE ttrss_user_entries
1082 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1083 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1084 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1085 }
1086
1087 } else if ($feed > 0) {
1088
1089 db_query("UPDATE ttrss_user_entries
1090 SET unread = false, last_read = NOW() WHERE ref_id IN
1091 (SELECT id FROM
1092 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1093 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1094
1095 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1096
1097 if ($feed == -1) {
1098 db_query("UPDATE ttrss_user_entries
1099 SET unread = false, last_read = NOW() WHERE ref_id IN
1100 (SELECT id FROM
1101 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1102 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1103 }
1104
1105 if ($feed == -2) {
1106 db_query("UPDATE ttrss_user_entries
1107 SET unread = false, last_read = NOW() WHERE ref_id IN
1108 (SELECT id FROM
1109 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1110 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1111 }
1112
1113 if ($feed == -3) {
1114
1115 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1116
1117 if (DB_TYPE == "pgsql") {
1118 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1119 } else {
1120 $match_part = "date_entered > DATE_SUB(NOW(),
1121 INTERVAL $intl HOUR) ";
1122 }
1123
1124 db_query("UPDATE ttrss_user_entries
1125 SET unread = false, last_read = NOW() WHERE ref_id IN
1126 (SELECT id FROM
1127 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1128 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1129 }
1130
1131 if ($feed == -4) {
1132 db_query("UPDATE ttrss_user_entries
1133 SET unread = false, last_read = NOW() WHERE ref_id IN
1134 (SELECT id FROM
1135 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1136 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1137 }
1138
1139 } else if ($feed < LABEL_BASE_INDEX) { // label
1140
1141 $label_id = feed_to_label_id($feed);
1142
1143 db_query("UPDATE ttrss_user_entries
1144 SET unread = false, last_read = NOW() WHERE ref_id IN
1145 (SELECT id FROM
1146 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1147 AND label_id = '$label_id' AND ref_id = article_id
1148 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1149
1150 }
1151
1152 ccache_update($feed, $owner_uid, $cat_view);
1153
1154 } else { // tag
1155 db_query("UPDATE ttrss_user_entries
1156 SET unread = false, last_read = NOW() WHERE ref_id IN
1157 (SELECT id FROM
1158 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1159 AND post_int_id = int_id AND tag_name = '$feed'
1160 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1161
1162 }
1163 }
1164
1165 function getAllCounters() {
1166 $data = getGlobalCounters();
1167
1168 $data = array_merge($data, getVirtCounters());
1169 $data = array_merge($data, getLabelCounters());
1170 $data = array_merge($data, getFeedCounters());
1171 $data = array_merge($data, getCategoryCounters());
1172
1173 return $data;
1174 }
1175
1176 function getCategoryTitle($cat_id) {
1177
1178 if ($cat_id == -1) {
1179 return __("Special");
1180 } else if ($cat_id == -2) {
1181 return __("Labels");
1182 } else {
1183
1184 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1185 id = '$cat_id'");
1186
1187 if (db_num_rows($result) == 1) {
1188 return db_fetch_result($result, 0, "title");
1189 } else {
1190 return __("Uncategorized");
1191 }
1192 }
1193 }
1194
1195
1196 function getCategoryCounters() {
1197 $ret_arr = array();
1198
1199 /* Labels category */
1200
1201 $cv = array("id" => -2, "kind" => "cat",
1202 "counter" => getCategoryUnread(-2));
1203
1204 array_push($ret_arr, $cv);
1205
1206 $result = db_query("SELECT id AS cat_id, value AS unread,
1207 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1208 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1209 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1210 WHERE ttrss_cat_counters_cache.feed_id = id AND
1211 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1212 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1213
1214 while ($line = db_fetch_assoc($result)) {
1215 $line["cat_id"] = (int) $line["cat_id"];
1216
1217 if ($line["num_children"] > 0) {
1218 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1219 } else {
1220 $child_counter = 0;
1221 }
1222
1223 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1224 "counter" => $line["unread"] + $child_counter);
1225
1226 array_push($ret_arr, $cv);
1227 }
1228
1229 /* Special case: NULL category doesn't actually exist in the DB */
1230
1231 $cv = array("id" => 0, "kind" => "cat",
1232 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1233
1234 array_push($ret_arr, $cv);
1235
1236 return $ret_arr;
1237 }
1238
1239 // only accepts real cats (>= 0)
1240 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1241 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1242
1243 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1244 AND owner_uid = $owner_uid");
1245
1246 $unread = 0;
1247
1248 while ($line = db_fetch_assoc($result)) {
1249 $unread += getCategoryUnread($line["id"], $owner_uid);
1250 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1251 }
1252
1253 return $unread;
1254 }
1255
1256 function getCategoryUnread($cat, $owner_uid = false) {
1257
1258 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1259
1260 if ($cat >= 0) {
1261
1262 if ($cat != 0) {
1263 $cat_query = "cat_id = '$cat'";
1264 } else {
1265 $cat_query = "cat_id IS NULL";
1266 }
1267
1268 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1269 AND owner_uid = " . $owner_uid);
1270
1271 $cat_feeds = array();
1272 while ($line = db_fetch_assoc($result)) {
1273 array_push($cat_feeds, "feed_id = " . $line["id"]);
1274 }
1275
1276 if (count($cat_feeds) == 0) return 0;
1277
1278 $match_part = implode(" OR ", $cat_feeds);
1279
1280 $result = db_query("SELECT COUNT(int_id) AS unread
1281 FROM ttrss_user_entries
1282 WHERE unread = true AND ($match_part)
1283 AND owner_uid = " . $owner_uid);
1284
1285 $unread = 0;
1286
1287 # this needs to be rewritten
1288 while ($line = db_fetch_assoc($result)) {
1289 $unread += $line["unread"];
1290 }
1291
1292 return $unread;
1293 } else if ($cat == -1) {
1294 return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1295 } else if ($cat == -2) {
1296
1297 $result = db_query("
1298 SELECT COUNT(unread) AS unread FROM
1299 ttrss_user_entries, ttrss_user_labels2
1300 WHERE article_id = ref_id AND unread = true
1301 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1302
1303 $unread = db_fetch_result($result, 0, "unread");
1304
1305 return $unread;
1306
1307 }
1308 }
1309
1310 function getFeedUnread($feed, $is_cat = false) {
1311 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1312 }
1313
1314 function getLabelUnread($label_id, $owner_uid = false) {
1315 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1316
1317 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1318 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1319
1320 if (db_num_rows($result) != 0) {
1321 return db_fetch_result($result, 0, "unread");
1322 } else {
1323 return 0;
1324 }
1325 }
1326
1327 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1328 $owner_uid = false) {
1329
1330 $n_feed = (int) $feed;
1331 $need_entries = false;
1332
1333 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1334
1335 if ($unread_only) {
1336 $unread_qpart = "unread = true";
1337 } else {
1338 $unread_qpart = "true";
1339 }
1340
1341 if ($is_cat) {
1342 return getCategoryUnread($n_feed, $owner_uid);
1343 } else if ($n_feed == -6) {
1344 return 0;
1345 } else if ($feed != "0" && $n_feed == 0) {
1346
1347 $feed = db_escape_string($feed);
1348
1349 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1350 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1351 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1352 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1353 return db_fetch_result($result, 0, "count");
1354
1355 } else if ($n_feed == -1) {
1356 $match_part = "marked = true";
1357 } else if ($n_feed == -2) {
1358 $match_part = "published = true";
1359 } else if ($n_feed == -3) {
1360 $match_part = "unread = true AND score >= 0";
1361
1362 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1363
1364 if (DB_TYPE == "pgsql") {
1365 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1366 } else {
1367 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1368 }
1369
1370 $need_entries = true;
1371
1372 } else if ($n_feed == -4) {
1373 $match_part = "true";
1374 } else if ($n_feed >= 0) {
1375
1376 if ($n_feed != 0) {
1377 $match_part = "feed_id = '$n_feed'";
1378 } else {
1379 $match_part = "feed_id IS NULL";
1380 }
1381
1382 } else if ($feed < LABEL_BASE_INDEX) {
1383
1384 $label_id = feed_to_label_id($feed);
1385
1386 return getLabelUnread($label_id, $owner_uid);
1387
1388 }
1389
1390 if ($match_part) {
1391
1392 if ($need_entries) {
1393 $from_qpart = "ttrss_user_entries,ttrss_entries";
1394 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1395 } else {
1396 $from_qpart = "ttrss_user_entries";
1397 }
1398
1399 $query = "SELECT count(int_id) AS unread
1400 FROM $from_qpart WHERE
1401 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1402
1403 //echo "[$feed/$query]\n";
1404
1405 $result = db_query($query);
1406
1407 } else {
1408
1409 $result = db_query("SELECT COUNT(post_int_id) AS unread
1410 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1411 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1412 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1413 }
1414
1415 $unread = db_fetch_result($result, 0, "unread");
1416
1417 return $unread;
1418 }
1419
1420 function getGlobalUnread($user_id = false) {
1421
1422 if (!$user_id) {
1423 $user_id = $_SESSION["uid"];
1424 }
1425
1426 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1427 WHERE owner_uid = '$user_id' AND feed_id > 0");
1428
1429 $c_id = db_fetch_result($result, 0, "c_id");
1430
1431 return $c_id;
1432 }
1433
1434 function getGlobalCounters($global_unread = -1) {
1435 $ret_arr = array();
1436
1437 if ($global_unread == -1) {
1438 $global_unread = getGlobalUnread();
1439 }
1440
1441 $cv = array("id" => "global-unread",
1442 "counter" => (int) $global_unread);
1443
1444 array_push($ret_arr, $cv);
1445
1446 $result = db_query("SELECT COUNT(id) AS fn FROM
1447 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1448
1449 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1450
1451 $cv = array("id" => "subscribed-feeds",
1452 "counter" => (int) $subscribed_feeds);
1453
1454 array_push($ret_arr, $cv);
1455
1456 return $ret_arr;
1457 }
1458
1459 function getVirtCounters() {
1460
1461 $ret_arr = array();
1462
1463 for ($i = 0; $i >= -4; $i--) {
1464
1465 $count = getFeedUnread($i);
1466
1467 if ($i == 0 || $i == -1 || $i == -2)
1468 $auxctr = getFeedArticles($i, false);
1469 else
1470 $auxctr = 0;
1471
1472 $cv = array("id" => $i,
1473 "counter" => (int) $count,
1474 "auxcounter" => $auxctr);
1475
1476 // if (get_pref('EXTENDED_FEEDLIST'))
1477 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1478
1479 array_push($ret_arr, $cv);
1480 }
1481
1482 $feeds = PluginHost::getInstance()->get_feeds(-1);
1483
1484 if (is_array($feeds)) {
1485 foreach ($feeds as $feed) {
1486 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1487 "counter" => $feed['sender']->get_unread($feed['id']));
1488 array_push($ret_arr, $cv);
1489 }
1490 }
1491
1492 return $ret_arr;
1493 }
1494
1495 function getLabelCounters($descriptions = false) {
1496
1497 $ret_arr = array();
1498
1499 $owner_uid = $_SESSION["uid"];
1500
1501 $result = db_query("SELECT id,caption,COUNT(u1.unread) AS unread,COUNT(u2.unread) AS total
1502 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1503 (ttrss_labels2.id = label_id)
1504 LEFT JOIN ttrss_user_entries AS u1 ON (u1.ref_id = article_id AND u1.unread = true
1505 AND u1.owner_uid = $owner_uid)
1506 LEFT JOIN ttrss_user_entries AS u2 ON (u2.ref_id = article_id AND u2.unread = false
1507 AND u2.owner_uid = $owner_uid)
1508 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1509 ttrss_labels2.caption");
1510
1511 while ($line = db_fetch_assoc($result)) {
1512
1513 $id = label_to_feed_id($line["id"]);
1514
1515 $cv = array("id" => $id,
1516 "counter" => (int) $line["unread"],
1517 "auxcounter" => (int) $line["total"]);
1518
1519 if ($descriptions)
1520 $cv["description"] = $line["caption"];
1521
1522 array_push($ret_arr, $cv);
1523 }
1524
1525 return $ret_arr;
1526 }
1527
1528 function getFeedCounters($active_feed = false) {
1529
1530 $ret_arr = array();
1531
1532 $query = "SELECT ttrss_feeds.id,
1533 ttrss_feeds.title,
1534 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1535 last_error, value AS count
1536 FROM ttrss_feeds, ttrss_counters_cache
1537 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1538 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1539 AND ttrss_counters_cache.feed_id = id";
1540
1541 $result = db_query($query);
1542 $fctrs_modified = false;
1543
1544 while ($line = db_fetch_assoc($result)) {
1545
1546 $id = $line["id"];
1547 $count = $line["count"];
1548 $last_error = htmlspecialchars($line["last_error"]);
1549
1550 $last_updated = make_local_datetime($line['last_updated'], false);
1551
1552 $has_img = feed_has_icon($id);
1553
1554 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1555 $last_updated = '';
1556
1557 $cv = array("id" => $id,
1558 "updated" => $last_updated,
1559 "counter" => (int) $count,
1560 "has_img" => (int) $has_img);
1561
1562 if ($last_error)
1563 $cv["error"] = $last_error;
1564
1565 // if (get_pref('EXTENDED_FEEDLIST'))
1566 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1567
1568 if ($active_feed && $id == $active_feed)
1569 $cv["title"] = truncate_string($line["title"], 30);
1570
1571 array_push($ret_arr, $cv);
1572
1573 }
1574
1575 return $ret_arr;
1576 }
1577
1578 function get_pgsql_version() {
1579 $result = db_query("SELECT version() AS version");
1580 $version = explode(" ", db_fetch_result($result, 0, "version"));
1581 return $version[1];
1582 }
1583
1584 /**
1585 * @return array (code => Status code, message => error message if available)
1586 *
1587 * 0 - OK, Feed already exists
1588 * 1 - OK, Feed added
1589 * 2 - Invalid URL
1590 * 3 - URL content is HTML, no feeds available
1591 * 4 - URL content is HTML which contains multiple feeds.
1592 * Here you should call extractfeedurls in rpc-backend
1593 * to get all possible feeds.
1594 * 5 - Couldn't download the URL content.
1595 * 6 - Content is an invalid XML.
1596 */
1597 function subscribe_to_feed($url, $cat_id = 0,
1598 $auth_login = '', $auth_pass = '') {
1599
1600 global $fetch_last_error;
1601
1602 require_once "include/rssfuncs.php";
1603
1604 $url = fix_url($url);
1605
1606 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1607
1608 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1609
1610 if (!$contents) {
1611 return array("code" => 5, "message" => $fetch_last_error);
1612 }
1613
1614 if (is_html($contents)) {
1615 $feedUrls = get_feeds_from_html($url, $contents);
1616
1617 if (count($feedUrls) == 0) {
1618 return array("code" => 3);
1619 } else if (count($feedUrls) > 1) {
1620 return array("code" => 4, "feeds" => $feedUrls);
1621 }
1622 //use feed url as new URL
1623 $url = key($feedUrls);
1624 }
1625
1626 /* libxml_use_internal_errors(true);
1627 $doc = new DOMDocument();
1628 $doc->loadXML($contents);
1629 $error = libxml_get_last_error();
1630 libxml_clear_errors();
1631
1632 if ($error) {
1633 $error_message = format_libxml_error($error);
1634
1635 return array("code" => 6, "message" => $error_message);
1636 } */
1637
1638 if ($cat_id == "0" || !$cat_id) {
1639 $cat_qpart = "NULL";
1640 } else {
1641 $cat_qpart = "'$cat_id'";
1642 }
1643
1644 $result = db_query(
1645 "SELECT id FROM ttrss_feeds
1646 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1647
1648 if (strlen(FEED_CRYPT_KEY) > 0) {
1649 require_once "crypt.php";
1650 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1651 $auth_pass_encrypted = 'true';
1652 } else {
1653 $auth_pass_encrypted = 'false';
1654 }
1655
1656 $auth_pass = db_escape_string($auth_pass);
1657
1658 if (db_num_rows($result) == 0) {
1659 $result = db_query(
1660 "INSERT INTO ttrss_feeds
1661 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1662 VALUES ('".$_SESSION["uid"]."', '$url',
1663 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1664
1665 $result = db_query(
1666 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1667 AND owner_uid = " . $_SESSION["uid"]);
1668
1669 $feed_id = db_fetch_result($result, 0, "id");
1670
1671 if ($feed_id) {
1672 update_rss_feed($feed_id, true);
1673 }
1674
1675 return array("code" => 1);
1676 } else {
1677 return array("code" => 0);
1678 }
1679 }
1680
1681 function print_feed_select($id, $default_id = "",
1682 $attributes = "", $include_all_feeds = true,
1683 $root_id = false, $nest_level = 0) {
1684
1685 if (!$root_id) {
1686 print "<select id=\"$id\" name=\"$id\" $attributes>";
1687 if ($include_all_feeds) {
1688 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1689 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1690 }
1691 }
1692
1693 if (get_pref('ENABLE_FEED_CATS')) {
1694
1695 if ($root_id)
1696 $parent_qpart = "parent_cat = '$root_id'";
1697 else
1698 $parent_qpart = "parent_cat IS NULL";
1699
1700 $result = db_query("SELECT id,title,
1701 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1702 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1703 FROM ttrss_feed_categories
1704 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1705
1706 while ($line = db_fetch_assoc($result)) {
1707
1708 for ($i = 0; $i < $nest_level; $i++)
1709 $line["title"] = " - " . $line["title"];
1710
1711 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1712
1713 printf("<option $is_selected value='CAT:%d'>%s</option>",
1714 $line["id"], htmlspecialchars($line["title"]));
1715
1716 if ($line["num_children"] > 0)
1717 print_feed_select($id, $default_id, $attributes,
1718 $include_all_feeds, $line["id"], $nest_level+1);
1719
1720 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1721 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1722
1723 while ($fline = db_fetch_assoc($feed_result)) {
1724 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1725
1726 $fline["title"] = " + " . $fline["title"];
1727
1728 for ($i = 0; $i < $nest_level; $i++)
1729 $fline["title"] = " - " . $fline["title"];
1730
1731 printf("<option $is_selected value='%d'>%s</option>",
1732 $fline["id"], htmlspecialchars($fline["title"]));
1733 }
1734 }
1735
1736 if (!$root_id) {
1737 $default_is_cat = ($default_id == "CAT:0");
1738 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1739
1740 printf("<option $is_selected value='CAT:0'>%s</option>",
1741 __("Uncategorized"));
1742
1743 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1744 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1745
1746 while ($fline = db_fetch_assoc($feed_result)) {
1747 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1748
1749 $fline["title"] = " + " . $fline["title"];
1750
1751 for ($i = 0; $i < $nest_level; $i++)
1752 $fline["title"] = " - " . $fline["title"];
1753
1754 printf("<option $is_selected value='%d'>%s</option>",
1755 $fline["id"], htmlspecialchars($fline["title"]));
1756 }
1757 }
1758
1759 } else {
1760 $result = db_query("SELECT id,title FROM ttrss_feeds
1761 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1762
1763 while ($line = db_fetch_assoc($result)) {
1764
1765 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1766
1767 printf("<option $is_selected value='%d'>%s</option>",
1768 $line["id"], htmlspecialchars($line["title"]));
1769 }
1770 }
1771
1772 if (!$root_id) {
1773 print "</select>";
1774 }
1775 }
1776
1777 function print_feed_cat_select($id, $default_id,
1778 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1779
1780 if (!$root_id) {
1781 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1782 }
1783
1784 if ($root_id)
1785 $parent_qpart = "parent_cat = '$root_id'";
1786 else
1787 $parent_qpart = "parent_cat IS NULL";
1788
1789 $result = db_query("SELECT id,title,
1790 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1791 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1792 FROM ttrss_feed_categories
1793 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1794
1795 while ($line = db_fetch_assoc($result)) {
1796 if ($line["id"] == $default_id) {
1797 $is_selected = "selected=\"1\"";
1798 } else {
1799 $is_selected = "";
1800 }
1801
1802 for ($i = 0; $i < $nest_level; $i++)
1803 $line["title"] = " - " . $line["title"];
1804
1805 if ($line["title"])
1806 printf("<option $is_selected value='%d'>%s</option>",
1807 $line["id"], htmlspecialchars($line["title"]));
1808
1809 if ($line["num_children"] > 0)
1810 print_feed_cat_select($id, $default_id, $attributes,
1811 $include_all_cats, $line["id"], $nest_level+1);
1812 }
1813
1814 if (!$root_id) {
1815 if ($include_all_cats) {
1816 if (db_num_rows($result) > 0) {
1817 print "<option disabled=\"1\">--------</option>";
1818 }
1819
1820 if ($default_id == 0) {
1821 $is_selected = "selected=\"1\"";
1822 } else {
1823 $is_selected = "";
1824 }
1825
1826 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1827 }
1828 print "</select>";
1829 }
1830 }
1831
1832 function checkbox_to_sql_bool($val) {
1833 return ($val == "on") ? "true" : "false";
1834 }
1835
1836 function getFeedCatTitle($id) {
1837 if ($id == -1) {
1838 return __("Special");
1839 } else if ($id < LABEL_BASE_INDEX) {
1840 return __("Labels");
1841 } else if ($id > 0) {
1842 $result = db_query("SELECT ttrss_feed_categories.title
1843 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1844 cat_id = ttrss_feed_categories.id");
1845 if (db_num_rows($result) == 1) {
1846 return db_fetch_result($result, 0, "title");
1847 } else {
1848 return __("Uncategorized");
1849 }
1850 } else {
1851 return "getFeedCatTitle($id) failed";
1852 }
1853
1854 }
1855
1856 function getFeedIcon($id) {
1857 switch ($id) {
1858 case 0:
1859 return "images/archive.png";
1860 break;
1861 case -1:
1862 return "images/mark_set.svg";
1863 break;
1864 case -2:
1865 return "images/pub_set.svg";
1866 break;
1867 case -3:
1868 return "images/fresh.png";
1869 break;
1870 case -4:
1871 return "images/tag.png";
1872 break;
1873 case -6:
1874 return "images/recently_read.png";
1875 break;
1876 default:
1877 if ($id < LABEL_BASE_INDEX) {
1878 return "images/label.png";
1879 } else {
1880 if (file_exists(ICONS_DIR . "/$id.ico"))
1881 return ICONS_URL . "/$id.ico";
1882 }
1883 break;
1884 }
1885
1886 return false;
1887 }
1888
1889 function getFeedTitle($id, $cat = false) {
1890 if ($cat) {
1891 return getCategoryTitle($id);
1892 } else if ($id == -1) {
1893 return __("Starred articles");
1894 } else if ($id == -2) {
1895 return __("Published articles");
1896 } else if ($id == -3) {
1897 return __("Fresh articles");
1898 } else if ($id == -4) {
1899 return __("All articles");
1900 } else if ($id === 0 || $id === "0") {
1901 return __("Archived articles");
1902 } else if ($id == -6) {
1903 return __("Recently read");
1904 } else if ($id < LABEL_BASE_INDEX) {
1905 $label_id = feed_to_label_id($id);
1906 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1907 if (db_num_rows($result) == 1) {
1908 return db_fetch_result($result, 0, "caption");
1909 } else {
1910 return "Unknown label ($label_id)";
1911 }
1912
1913 } else if (is_numeric($id) && $id > 0) {
1914 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1915 if (db_num_rows($result) == 1) {
1916 return db_fetch_result($result, 0, "title");
1917 } else {
1918 return "Unknown feed ($id)";
1919 }
1920 } else {
1921 return $id;
1922 }
1923 }
1924
1925 function make_init_params() {
1926 $params = array();
1927
1928 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1929 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1930 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1931 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1932
1933 $params[strtolower($param)] = (int) get_pref($param);
1934 }
1935
1936 $params["icons_url"] = ICONS_URL;
1937 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1938 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1939 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1940 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1941 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1942 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1943
1944 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1945 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1946
1947 $max_feed_id = db_fetch_result($result, 0, "mid");
1948 $num_feeds = db_fetch_result($result, 0, "nf");
1949
1950 $params["max_feed_id"] = (int) $max_feed_id;
1951 $params["num_feeds"] = (int) $num_feeds;
1952
1953 $params["collapsed_feedlist"] = (int) get_pref("_COLLAPSED_FEEDLIST");
1954 $params["hotkeys"] = get_hotkeys_map();
1955
1956 $params["csrf_token"] = $_SESSION["csrf_token"];
1957 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1958
1959 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1960
1961 return $params;
1962 }
1963
1964 function get_hotkeys_info() {
1965 $hotkeys = array(
1966 __("Navigation") => array(
1967 "next_feed" => __("Open next feed"),
1968 "prev_feed" => __("Open previous feed"),
1969 "next_article" => __("Open next article"),
1970 "prev_article" => __("Open previous article"),
1971 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1972 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1973 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1974 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1975 "search_dialog" => __("Show search dialog")),
1976 __("Article") => array(
1977 "toggle_mark" => __("Toggle starred"),
1978 "toggle_publ" => __("Toggle published"),
1979 "toggle_unread" => __("Toggle unread"),
1980 "edit_tags" => __("Edit tags"),
1981 "dismiss_selected" => __("Dismiss selected"),
1982 "dismiss_read" => __("Dismiss read"),
1983 "open_in_new_window" => __("Open in new window"),
1984 "catchup_below" => __("Mark below as read"),
1985 "catchup_above" => __("Mark above as read"),
1986 "article_scroll_down" => __("Scroll down"),
1987 "article_scroll_up" => __("Scroll up"),
1988 "select_article_cursor" => __("Select article under cursor"),
1989 "email_article" => __("Email article"),
1990 "close_article" => __("Close/collapse article"),
1991 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1992 "toggle_widescreen" => __("Toggle widescreen mode"),
1993 "toggle_embed_original" => __("Toggle embed original")),
1994 __("Article selection") => array(
1995 "select_all" => __("Select all articles"),
1996 "select_unread" => __("Select unread"),
1997 "select_marked" => __("Select starred"),
1998 "select_published" => __("Select published"),
1999 "select_invert" => __("Invert selection"),
2000 "select_none" => __("Deselect everything")),
2001 __("Feed") => array(
2002 "feed_refresh" => __("Refresh current feed"),
2003 "feed_unhide_read" => __("Un/hide read feeds"),
2004 "feed_subscribe" => __("Subscribe to feed"),
2005 "feed_edit" => __("Edit feed"),
2006 "feed_catchup" => __("Mark as read"),
2007 "feed_reverse" => __("Reverse headlines"),
2008 "feed_debug_update" => __("Debug feed update"),
2009 "catchup_all" => __("Mark all feeds as read"),
2010 "cat_toggle_collapse" => __("Un/collapse current category"),
2011 "toggle_combined_mode" => __("Toggle combined mode"),
2012 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
2013 __("Go to") => array(
2014 "goto_all" => __("All articles"),
2015 "goto_fresh" => __("Fresh"),
2016 "goto_marked" => __("Starred"),
2017 "goto_published" => __("Published"),
2018 "goto_tagcloud" => __("Tag cloud"),
2019 "goto_prefs" => __("Preferences")),
2020 __("Other") => array(
2021 "create_label" => __("Create label"),
2022 "create_filter" => __("Create filter"),
2023 "collapse_sidebar" => __("Un/collapse sidebar"),
2024 "help_dialog" => __("Show help dialog"))
2025 );
2026
2027 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2028 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2029 }
2030
2031 return $hotkeys;
2032 }
2033
2034 function get_hotkeys_map() {
2035 $hotkeys = array(
2036 // "navigation" => array(
2037 "k" => "next_feed",
2038 "j" => "prev_feed",
2039 "n" => "next_article",
2040 "p" => "prev_article",
2041 "(38)|up" => "prev_article",
2042 "(40)|down" => "next_article",
2043 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2044 // "^(40)|Ctrl-down" => "next_article_noscroll",
2045 "(191)|/" => "search_dialog",
2046 // "article" => array(
2047 "s" => "toggle_mark",
2048 "*s" => "toggle_publ",
2049 "u" => "toggle_unread",
2050 "*t" => "edit_tags",
2051 "*d" => "dismiss_selected",
2052 "*x" => "dismiss_read",
2053 "o" => "open_in_new_window",
2054 "c p" => "catchup_below",
2055 "c n" => "catchup_above",
2056 "*n" => "article_scroll_down",
2057 "*p" => "article_scroll_up",
2058 "*(38)|Shift+up" => "article_scroll_up",
2059 "*(40)|Shift+down" => "article_scroll_down",
2060 "a *w" => "toggle_widescreen",
2061 "a e" => "toggle_embed_original",
2062 "e" => "email_article",
2063 "a q" => "close_article",
2064 // "article_selection" => array(
2065 "a a" => "select_all",
2066 "a u" => "select_unread",
2067 "a *u" => "select_marked",
2068 "a p" => "select_published",
2069 "a i" => "select_invert",
2070 "a n" => "select_none",
2071 // "feed" => array(
2072 "f r" => "feed_refresh",
2073 "f a" => "feed_unhide_read",
2074 "f s" => "feed_subscribe",
2075 "f e" => "feed_edit",
2076 "f q" => "feed_catchup",
2077 "f x" => "feed_reverse",
2078 "f *d" => "feed_debug_update",
2079 "f *c" => "toggle_combined_mode",
2080 "f c" => "toggle_cdm_expanded",
2081 "*q" => "catchup_all",
2082 "x" => "cat_toggle_collapse",
2083 // "goto" => array(
2084 "g a" => "goto_all",
2085 "g f" => "goto_fresh",
2086 "g s" => "goto_marked",
2087 "g p" => "goto_published",
2088 "g t" => "goto_tagcloud",
2089 "g *p" => "goto_prefs",
2090 // "other" => array(
2091 "(9)|Tab" => "select_article_cursor", // tab
2092 "c l" => "create_label",
2093 "c f" => "create_filter",
2094 "c s" => "collapse_sidebar",
2095 "^(191)|Ctrl+/" => "help_dialog",
2096 );
2097
2098 if (get_pref('COMBINED_DISPLAY_MODE')) {
2099 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2100 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2101 }
2102
2103 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2104 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2105 }
2106
2107 $prefixes = array();
2108
2109 foreach (array_keys($hotkeys) as $hotkey) {
2110 $pair = explode(" ", $hotkey, 2);
2111
2112 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2113 array_push($prefixes, $pair[0]);
2114 }
2115 }
2116
2117 return array($prefixes, $hotkeys);
2118 }
2119
2120 function make_runtime_info() {
2121 $data = array();
2122
2123 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2124 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2125
2126 $max_feed_id = db_fetch_result($result, 0, "mid");
2127 $num_feeds = db_fetch_result($result, 0, "nf");
2128
2129 $data["max_feed_id"] = (int) $max_feed_id;
2130 $data["num_feeds"] = (int) $num_feeds;
2131
2132 $data['last_article_id'] = getLastArticleId();
2133 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2134
2135 $data['dep_ts'] = calculate_dep_timestamp();
2136 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2137
2138 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2139
2140 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2141
2142 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2143
2144 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2145
2146 if ($stamp) {
2147 $stamp_delta = time() - $stamp;
2148
2149 if ($stamp_delta > 1800) {
2150 $stamp_check = 0;
2151 } else {
2152 $stamp_check = 1;
2153 $_SESSION["daemon_stamp_check"] = time();
2154 }
2155
2156 $data['daemon_stamp_ok'] = $stamp_check;
2157
2158 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2159
2160 $data['daemon_stamp'] = $stamp_fmt;
2161 }
2162 }
2163 }
2164
2165 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2166 $new_version_details = @check_for_update();
2167
2168 $data['new_version_available'] = (int) ($new_version_details != false);
2169
2170 $_SESSION["last_version_check"] = time();
2171 $_SESSION["version_data"] = $new_version_details;
2172 }
2173
2174 return $data;
2175 }
2176
2177 function search_to_sql($search) {
2178
2179 $search_query_part = "";
2180
2181 $keywords = explode(" ", $search);
2182 $query_keywords = array();
2183
2184 foreach ($keywords as $k) {
2185 if (strpos($k, "-") === 0) {
2186 $k = substr($k, 1);
2187 $not = "NOT";
2188 } else {
2189 $not = "";
2190 }
2191
2192 $commandpair = explode(":", mb_strtolower($k), 2);
2193
2194 switch ($commandpair[0]) {
2195 case "title":
2196 if ($commandpair[1]) {
2197 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2198 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2199 } else {
2200 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2201 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2202 }
2203 break;
2204 case "author":
2205 if ($commandpair[1]) {
2206 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2207 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2208 } else {
2209 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2210 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2211 }
2212 break;
2213 case "note":
2214 if ($commandpair[1]) {
2215 if ($commandpair[1] == "true")
2216 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2217 else if ($commandpair[1] == "false")
2218 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2219 else
2220 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2221 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2222 } else {
2223 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2224 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2225 }
2226 break;
2227 case "star":
2228
2229 if ($commandpair[1]) {
2230 if ($commandpair[1] == "true")
2231 array_push($query_keywords, "($not (marked = true))");
2232 else
2233 array_push($query_keywords, "($not (marked = false))");
2234 } else {
2235 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2236 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2237 }
2238 break;
2239 case "pub":
2240 if ($commandpair[1]) {
2241 if ($commandpair[1] == "true")
2242 array_push($query_keywords, "($not (published = true))");
2243 else
2244 array_push($query_keywords, "($not (published = false))");
2245
2246 } else {
2247 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2248 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2249 }
2250 break;
2251 default:
2252 if (strpos($k, "@") === 0) {
2253
2254 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2255 $orig_ts = strtotime(substr($k, 1));
2256 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2257
2258 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2259
2260 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2261 } else {
2262 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2263 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2264 }
2265 }
2266 }
2267
2268 $search_query_part = implode("AND", $query_keywords);
2269
2270 return $search_query_part;
2271 }
2272
2273 function getParentCategories($cat, $owner_uid) {
2274 $rv = array();
2275
2276 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2277 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2278
2279 while ($line = db_fetch_assoc($result)) {
2280 array_push($rv, $line["parent_cat"]);
2281 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2282 }
2283
2284 return $rv;
2285 }
2286
2287 function getChildCategories($cat, $owner_uid) {
2288 $rv = array();
2289
2290 $result = db_query("SELECT id FROM ttrss_feed_categories
2291 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2292
2293 while ($line = db_fetch_assoc($result)) {
2294 array_push($rv, $line["id"]);
2295 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2296 }
2297
2298 return $rv;
2299 }
2300
2301 function queryFeedHeadlines($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, $ignore_vfeed_group = false) {
2302
2303 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2304
2305 $ext_tables_part = "";
2306
2307 if ($search) {
2308
2309 if (SPHINX_ENABLED) {
2310 $ids = join(",", @sphinx_search($search, 0, 500));
2311
2312 if ($ids)
2313 $search_query_part = "ref_id IN ($ids) AND ";
2314 else
2315 $search_query_part = "ref_id = -1 AND ";
2316
2317 } else {
2318 $search_query_part = search_to_sql($search);
2319 $search_query_part .= " AND ";
2320 }
2321
2322 } else {
2323 $search_query_part = "";
2324 }
2325
2326 if ($filter) {
2327
2328 if (DB_TYPE == "pgsql") {
2329 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2330 } else {
2331 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2332 }
2333
2334 $override_order = "updated DESC";
2335
2336 $filter_query_part = filter_to_sql($filter, $owner_uid);
2337
2338 // Try to check if SQL regexp implementation chokes on a valid regexp
2339
2340
2341 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2342 ttrss_user_entries, ttrss_feeds
2343 WHERE $filter_query_part LIMIT 1", false);
2344
2345 if ($result) {
2346 $test = db_fetch_result($result, 0, "true_val");
2347
2348 if (!$test) {
2349 $filter_query_part = "false AND";
2350 } else {
2351 $filter_query_part .= " AND";
2352 }
2353 } else {
2354 $filter_query_part = "false AND";
2355 }
2356
2357 } else {
2358 $filter_query_part = "";
2359 }
2360
2361 if ($since_id) {
2362 $since_id_part = "ttrss_entries.id > $since_id AND ";
2363 } else {
2364 $since_id_part = "";
2365 }
2366
2367 $view_query_part = "";
2368
2369 if ($view_mode == "adaptive") {
2370 if ($search) {
2371 $view_query_part = " ";
2372 } else if ($feed != -1) {
2373
2374 $unread = getFeedUnread($feed, $cat_view);
2375
2376 if ($cat_view && $feed > 0 && $include_children)
2377 $unread += getCategoryChildrenUnread($feed);
2378
2379 if ($unread > 0)
2380 $view_query_part = " unread = true AND ";
2381
2382 }
2383 }
2384
2385 if ($view_mode == "marked") {
2386 $view_query_part = " marked = true AND ";
2387 }
2388
2389 if ($view_mode == "has_note") {
2390 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2391 }
2392
2393 if ($view_mode == "published") {
2394 $view_query_part = " published = true AND ";
2395 }
2396
2397 if ($view_mode == "unread" && $feed != -6) {
2398 $view_query_part = " unread = true AND ";
2399 }
2400
2401 if ($limit > 0) {
2402 $limit_query_part = "LIMIT " . $limit;
2403 }
2404
2405 $allow_archived = false;
2406
2407 $vfeed_query_part = "";
2408
2409 // override query strategy and enable feed display when searching globally
2410 if ($search && $search_mode == "all_feeds") {
2411 $query_strategy_part = "true";
2412 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2413 /* tags */
2414 } else if (!is_numeric($feed)) {
2415 $query_strategy_part = "true";
2416 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2417 id = feed_id) as feed_title,";
2418 } else if ($search && $search_mode == "this_cat") {
2419 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2420
2421 if ($feed > 0) {
2422 if ($include_children) {
2423 $subcats = getChildCategories($feed, $owner_uid);
2424 array_push($subcats, $feed);
2425 $cats_qpart = join(",", $subcats);
2426 } else {
2427 $cats_qpart = $feed;
2428 }
2429
2430 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2431
2432 } else {
2433 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2434 }
2435
2436 } else if ($feed > 0) {
2437
2438 if ($cat_view) {
2439
2440 if ($feed > 0) {
2441 if ($include_children) {
2442 # sub-cats
2443 $subcats = getChildCategories($feed, $owner_uid);
2444
2445 array_push($subcats, $feed);
2446 $query_strategy_part = "cat_id IN (".
2447 implode(",", $subcats).")";
2448
2449 } else {
2450 $query_strategy_part = "cat_id = '$feed'";
2451 }
2452
2453 } else {
2454 $query_strategy_part = "cat_id IS NULL";
2455 }
2456
2457 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2458
2459 } else {
2460 $query_strategy_part = "feed_id = '$feed'";
2461 }
2462 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2463 $query_strategy_part = "feed_id IS NULL";
2464 $allow_archived = true;
2465 } else if ($feed == 0 && $cat_view) { // uncategorized
2466 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2467 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2468 } else if ($feed == -1) { // starred virtual feed
2469 $query_strategy_part = "marked = true";
2470 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2471 $allow_archived = true;
2472
2473 if (!$override_order) {
2474 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2475 }
2476
2477 } else if ($feed == -2) { // published virtual feed OR labels category
2478
2479 if (!$cat_view) {
2480 $query_strategy_part = "published = true";
2481 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2482 $allow_archived = true;
2483
2484 if (!$override_order) {
2485 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2486 }
2487
2488 } else {
2489 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2490
2491 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2492
2493 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2494 ttrss_user_labels2.article_id = ref_id";
2495
2496 }
2497 } else if ($feed == -6) { // recently read
2498 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2499 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2500 $allow_archived = true;
2501
2502 if (!$override_order) $override_order = "last_read DESC";
2503 } else if ($feed == -3) { // fresh virtual feed
2504 $query_strategy_part = "unread = true AND score >= 0";
2505
2506 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2507
2508 if (DB_TYPE == "pgsql") {
2509 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2510 } else {
2511 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2512 }
2513
2514 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2515 } else if ($feed == -4) { // all articles virtual feed
2516 $allow_archived = true;
2517 $query_strategy_part = "true";
2518 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2519 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2520 $label_id = feed_to_label_id($feed);
2521
2522 $query_strategy_part = "label_id = '$label_id' AND
2523 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2524 ttrss_user_labels2.article_id = ref_id";
2525
2526 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2527 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2528 $allow_archived = true;
2529
2530 } else {
2531 $query_strategy_part = "true";
2532 }
2533
2534 $order_by = "score DESC, date_entered DESC, updated DESC";
2535
2536 if ($view_mode == "unread_first") {
2537 $order_by = "unread DESC, $order_by";
2538 }
2539
2540 if ($override_order) {
2541 $order_by = $override_order;
2542 }
2543
2544 $feed_title = "";
2545
2546 if ($search) {
2547 $feed_title = T_sprintf("Search results: %s", $search);
2548 } else {
2549 if ($cat_view) {
2550 $feed_title = getCategoryTitle($feed);
2551 } else {
2552 if (is_numeric($feed) && $feed > 0) {
2553 $result = db_query("SELECT title,site_url,last_error,last_updated
2554 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2555
2556 $feed_title = db_fetch_result($result, 0, "title");
2557 $feed_site_url = db_fetch_result($result, 0, "site_url");
2558 $last_error = db_fetch_result($result, 0, "last_error");
2559 $last_updated = db_fetch_result($result, 0, "last_updated");
2560 } else {
2561 $feed_title = getFeedTitle($feed);
2562 }
2563 }
2564 }
2565
2566 $content_query_part = "content as content_preview, cached_content, ";
2567
2568 if (is_numeric($feed)) {
2569
2570 if ($feed >= 0) {
2571 $feed_kind = "Feeds";
2572 } else {
2573 $feed_kind = "Labels";
2574 }
2575
2576 if ($limit_query_part) {
2577 $offset_query_part = "OFFSET $offset";
2578 }
2579
2580 // proper override_order applied above
2581 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2582 if (!$override_order) {
2583 $order_by = "ttrss_feeds.title, $order_by";
2584 } else {
2585 $order_by = "ttrss_feeds.title, $override_order";
2586 }
2587 }
2588
2589 if (!$allow_archived) {
2590 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2591 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2592
2593 } else {
2594 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2595 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2596 }
2597
2598 if ($vfeed_query_part)
2599 $vfeed_query_part .= "favicon_avg_color,";
2600
2601 $query = "SELECT DISTINCT
2602 date_entered,
2603 guid,
2604 ttrss_entries.id,ttrss_entries.title,
2605 updated,
2606 label_cache,
2607 tag_cache,
2608 always_display_enclosures,
2609 site_url,
2610 note,
2611 num_comments,
2612 comments,
2613 int_id,
2614 hide_images,
2615 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2616 last_marked, last_published,
2617 $vfeed_query_part
2618 $content_query_part
2619 author,score
2620 FROM
2621 $from_qpart
2622 WHERE
2623 $feed_check_qpart
2624 ttrss_user_entries.ref_id = ttrss_entries.id AND
2625 ttrss_user_entries.owner_uid = '$owner_uid' AND
2626 $search_query_part
2627 $filter_query_part
2628 $view_query_part
2629 $since_id_part
2630 $query_strategy_part ORDER BY $order_by
2631 $limit_query_part $offset_query_part";
2632
2633 if ($_REQUEST["debug"]) print $query;
2634
2635 $result = db_query($query);
2636
2637 } else {
2638 // browsing by tag
2639
2640 $select_qpart = "SELECT DISTINCT " .
2641 "date_entered," .
2642 "guid," .
2643 "note," .
2644 "ttrss_entries.id as id," .
2645 "title," .
2646 "updated," .
2647 "unread," .
2648 "feed_id," .
2649 "orig_feed_id," .
2650 "marked," .
2651 "num_comments, " .
2652 "comments, " .
2653 "tag_cache," .
2654 "label_cache," .
2655 "link," .
2656 "last_read," .
2657 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2658 "last_marked, last_published, " .
2659 $since_id_part .
2660 $vfeed_query_part .
2661 $content_query_part .
2662 "score ";
2663
2664 $feed_kind = "Tags";
2665 $all_tags = explode(",", $feed);
2666 if ($search_mode == 'any') {
2667 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2668 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2669 $where_qpart = " WHERE " .
2670 "ref_id = ttrss_entries.id AND " .
2671 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2672 "post_int_id = int_id AND $tag_sql AND " .
2673 $view_query_part .
2674 $search_query_part .
2675 $query_strategy_part . " ORDER BY $order_by " .
2676 $limit_query_part;
2677
2678 } else {
2679 $i = 1;
2680 $sub_selects = array();
2681 $sub_ands = array();
2682 foreach ($all_tags as $term) {
2683 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2684 $i++;
2685 }
2686 if ($i > 2) {
2687 $x = 1;
2688 $y = 2;
2689 do {
2690 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2691 $x++;
2692 $y++;
2693 } while ($y < $i);
2694 }
2695 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2696 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2697 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2698 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2699 }
2700 // error_log("TAG SQL: " . $tag_sql);
2701 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2702
2703 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2704 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2705 }
2706
2707 return array($result, $feed_title, $feed_site_url, $last_error, $last_updated);
2708
2709 }
2710
2711 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false) {
2712 if (!$owner) $owner = $_SESSION["uid"];
2713
2714 $res = trim($str); if (!$res) return '';
2715
2716 if (strpos($res, "href=") === false)
2717 $res = rewrite_urls($res);
2718
2719 $charset_hack = '<head>
2720 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2721 </head>';
2722
2723 $res = trim($res); if (!$res) return '';
2724
2725 libxml_use_internal_errors(true);
2726
2727 $doc = new DOMDocument();
2728 $doc->loadHTML($charset_hack . $res);
2729 $xpath = new DOMXPath($doc);
2730
2731 $entries = $xpath->query('(//a[@href]|//img[@src])');
2732
2733 foreach ($entries as $entry) {
2734
2735 if ($site_url) {
2736
2737 if ($entry->hasAttribute('href'))
2738 $entry->setAttribute('href',
2739 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2740
2741 if ($entry->hasAttribute('src')) {
2742 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2743
2744 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2745
2746 if (file_exists($cached_filename)) {
2747 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2748 }
2749
2750 $entry->setAttribute('src', $src);
2751 }
2752
2753 if ($entry->nodeName == 'img') {
2754 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2755 $force_remove_images || $_SESSION["bw_limit"]) {
2756
2757 $p = $doc->createElement('p');
2758
2759 $a = $doc->createElement('a');
2760 $a->setAttribute('href', $entry->getAttribute('src'));
2761
2762 $a->appendChild(new DOMText($entry->getAttribute('src')));
2763 $a->setAttribute('target', '_blank');
2764
2765 $p->appendChild($a);
2766
2767 $entry->parentNode->replaceChild($p, $entry);
2768 }
2769 }
2770 }
2771
2772 if (strtolower($entry->nodeName) == "a") {
2773 $entry->setAttribute("target", "_blank");
2774 }
2775 }
2776
2777 $entries = $xpath->query('//iframe');
2778 foreach ($entries as $entry) {
2779 $entry->setAttribute('sandbox', 'allow-scripts');
2780
2781 }
2782
2783 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2784 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2785 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2786 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2787 'dt', 'em', 'footer', 'figure', 'figcaption',
2788 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2789 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2790 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2791 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2792 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2793 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2794
2795 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2796
2797 $disallowed_attributes = array('id', 'style', 'class');
2798
2799 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2800 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2801 if (is_array($retval)) {
2802 $doc = $retval[0];
2803 $allowed_elements = $retval[1];
2804 $disallowed_attributes = $retval[2];
2805 } else {
2806 $doc = $retval;
2807 }
2808 }
2809
2810 $doc->removeChild($doc->firstChild); //remove doctype
2811 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2812 $res = $doc->saveHTML();
2813 return $res;
2814 }
2815
2816 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2817 $xpath = new DOMXPath($doc);
2818 $entries = $xpath->query('//*');
2819
2820 foreach ($entries as $entry) {
2821 if (!in_array($entry->nodeName, $allowed_elements)) {
2822 $entry->parentNode->removeChild($entry);
2823 }
2824
2825 if ($entry->hasAttributes()) {
2826 $attrs_to_remove = array();
2827
2828 foreach ($entry->attributes as $attr) {
2829
2830 if (strpos($attr->nodeName, 'on') === 0) {
2831 array_push($attrs_to_remove, $attr);
2832 }
2833
2834 if (in_array($attr->nodeName, $disallowed_attributes)) {
2835 array_push($attrs_to_remove, $attr);
2836 }
2837 }
2838
2839 foreach ($attrs_to_remove as $attr) {
2840 $entry->removeAttributeNode($attr);
2841 }
2842 }
2843 }
2844
2845 return $doc;
2846 }
2847
2848 function check_for_update() {
2849 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2850 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2851 "&iid=" . sha1(SELF_URL_PATH);
2852
2853 $version_data = @fetch_file_contents($version_url);
2854
2855 if ($version_data) {
2856 $version_data = json_decode($version_data, true);
2857 if ($version_data && $version_data['version']) {
2858 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2859 return $version_data;
2860 }
2861 }
2862 }
2863 }
2864 return false;
2865 }
2866
2867 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2868
2869 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2870 if (count($ids) == 0) return;
2871
2872 $tmp_ids = array();
2873
2874 foreach ($ids as $id) {
2875 array_push($tmp_ids, "ref_id = '$id'");
2876 }
2877
2878 $ids_qpart = join(" OR ", $tmp_ids);
2879
2880 if ($cmode == 0) {
2881 db_query("UPDATE ttrss_user_entries SET
2882 unread = false,last_read = NOW()
2883 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2884 } else if ($cmode == 1) {
2885 db_query("UPDATE ttrss_user_entries SET
2886 unread = true
2887 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2888 } else {
2889 db_query("UPDATE ttrss_user_entries SET
2890 unread = NOT unread,last_read = NOW()
2891 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2892 }
2893
2894 /* update ccache */
2895
2896 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2897 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2898
2899 while ($line = db_fetch_assoc($result)) {
2900 ccache_update($line["feed_id"], $owner_uid);
2901 }
2902 }
2903
2904 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2905
2906 $a_id = db_escape_string($id);
2907
2908 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2909
2910 $query = "SELECT DISTINCT tag_name,
2911 owner_uid as owner FROM
2912 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2913 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2914
2915 $tags = array();
2916
2917 /* check cache first */
2918
2919 if ($tag_cache === false) {
2920 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2921 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2922
2923 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2924 }
2925
2926 if ($tag_cache) {
2927 $tags = explode(",", $tag_cache);
2928 } else {
2929
2930 /* do it the hard way */
2931
2932 $tmp_result = db_query($query);
2933
2934 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2935 array_push($tags, $tmp_line["tag_name"]);
2936 }
2937
2938 /* update the cache */
2939
2940 $tags_str = db_escape_string(join(",", $tags));
2941
2942 db_query("UPDATE ttrss_user_entries
2943 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2944 AND owner_uid = $owner_uid");
2945 }
2946
2947 return $tags;
2948 }
2949
2950 function trim_array($array) {
2951 $tmp = $array;
2952 array_walk($tmp, 'trim');
2953 return $tmp;
2954 }
2955
2956 function tag_is_valid($tag) {
2957 if ($tag == '') return false;
2958 if (preg_match("/^[0-9]*$/", $tag)) return false;
2959 if (mb_strlen($tag) > 250) return false;
2960
2961 if (function_exists('iconv')) {
2962 $tag = iconv("utf-8", "utf-8", $tag);
2963 }
2964
2965 if (!$tag) return false;
2966
2967 return true;
2968 }
2969
2970 function render_login_form() {
2971 header('Cache-Control: public');
2972
2973 require_once "login_form.php";
2974 exit;
2975 }
2976
2977 function format_warning($msg, $id = "") {
2978 global $link;
2979 return "<div class=\"warning\" id=\"$id\">
2980 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2981 }
2982
2983 function format_notice($msg, $id = "") {
2984 global $link;
2985 return "<div class=\"notice\" id=\"$id\">
2986 <span><img src=\"images/sign_info.svg\"></span><span>$msg</span></div>";
2987 }
2988
2989 function format_error($msg, $id = "") {
2990 global $link;
2991 return "<div class=\"error\" id=\"$id\">
2992 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2993 }
2994
2995 function print_notice($msg) {
2996 return print format_notice($msg);
2997 }
2998
2999 function print_warning($msg) {
3000 return print format_warning($msg);
3001 }
3002
3003 function print_error($msg) {
3004 return print format_error($msg);
3005 }
3006
3007
3008 function T_sprintf() {
3009 $args = func_get_args();
3010 return vsprintf(__(array_shift($args)), $args);
3011 }
3012
3013 function format_inline_player($url, $ctype) {
3014
3015 $entry = "";
3016
3017 $url = htmlspecialchars($url);
3018
3019 if (strpos($ctype, "audio/") === 0) {
3020
3021 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3022 $_SESSION["hasMp3"])) {
3023
3024 $entry .= "<audio controls>
3025 <source type=\"$ctype\" src=\"$url\"></source>
3026 </audio>";
3027
3028 } else {
3029
3030 $entry .= "<object type=\"application/x-shockwave-flash\"
3031 data=\"lib/button/musicplayer.swf?song_url=$url\"
3032 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3033 <param name=\"movie\"
3034 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3035 </object>";
3036 }
3037
3038 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3039 href=\"$url\">" . basename($url) . "</a>";
3040
3041 return $entry;
3042
3043 }
3044
3045 return "";
3046
3047 /* $filename = substr($url, strrpos($url, "/")+1);
3048
3049 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3050 $filename . " (" . $ctype . ")" . "</a>"; */
3051
3052 }
3053
3054 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3055 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3056
3057 $rv = array();
3058
3059 $rv['id'] = $id;
3060
3061 /* we can figure out feed_id from article id anyway, why do we
3062 * pass feed_id here? let's ignore the argument :(*/
3063
3064 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3065 WHERE ref_id = '$id'");
3066
3067 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3068
3069 $rv['feed_id'] = $feed_id;
3070
3071 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3072
3073 if ($mark_as_read) {
3074 $result = db_query("UPDATE ttrss_user_entries
3075 SET unread = false,last_read = NOW()
3076 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3077
3078 ccache_update($feed_id, $owner_uid);
3079 }
3080
3081 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3082 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3083 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3084 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3085 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3086 num_comments,
3087 tag_cache,
3088 author,
3089 orig_feed_id,
3090 note,
3091 cached_content
3092 FROM ttrss_entries,ttrss_user_entries
3093 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3094
3095 if ($result) {
3096
3097 $line = db_fetch_assoc($result);
3098
3099 $tag_cache = $line["tag_cache"];
3100
3101 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3102 unset($line["tag_cache"]);
3103
3104 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3105
3106 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3107 $line = $p->hook_render_article($line);
3108 }
3109
3110 $num_comments = $line["num_comments"];
3111 $entry_comments = "";
3112
3113 if ($num_comments > 0) {
3114 if ($line["comments"]) {
3115 $comments_url = htmlspecialchars($line["comments"]);
3116 } else {
3117 $comments_url = htmlspecialchars($line["link"]);
3118 }
3119 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3120 } else {
3121 if ($line["comments"] && $line["link"] != $line["comments"]) {
3122 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3123 }
3124 }
3125
3126 if ($zoom_mode) {
3127 header("Content-Type: text/html");
3128 $rv['content'] .= "<html><head>
3129 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3130 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3131 <link rel=\"stylesheet\" type=\"text/css\" href=\"css/tt-rss.css\">
3132 </head><body id=\"ttrssZoom\">";
3133 }
3134
3135 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3136
3137 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3138
3139 $entry_author = $line["author"];
3140
3141 if ($entry_author) {
3142 $entry_author = __(" - ") . $entry_author;
3143 }
3144
3145 $parsed_updated = make_local_datetime($line["updated"], true,
3146 $owner_uid, true);
3147
3148 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3149
3150 if ($line["link"]) {
3151 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3152 title=\"".htmlspecialchars($line['title'])."\"
3153 href=\"" .
3154 htmlspecialchars($line["link"]) . "\">" .
3155 $line["title"] . "</a>" .
3156 "<span class='author'>$entry_author</span></div>";
3157 } else {
3158 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3159 }
3160
3161 $tags_str = format_tags_string($line["tags"], $id);
3162 $tags_str_full = join(", ", $line["tags"]);
3163
3164 if (!$tags_str_full) $tags_str_full = __("no tags");
3165
3166 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3167
3168 $rv['content'] .= "<div class='postTags' style='float : right'>
3169 <img src='images/tag.png'
3170 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3171
3172 if (!$zoom_mode) {
3173 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3174 <a title=\"".__('Edit tags for this article')."\"
3175 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3176
3177 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3178 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3179 position=\"below\">$tags_str_full</div>";
3180
3181 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3182 $rv['content'] .= $p->hook_article_button($line);
3183 }
3184
3185 } else {
3186 $tags_str = strip_tags($tags_str);
3187 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3188 }
3189 $rv['content'] .= "</div>";
3190 $rv['content'] .= "<div clear='both'>";
3191
3192 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3193 $rv['content'] .= $p->hook_article_left_button($line);
3194 }
3195
3196 $rv['content'] .= "$entry_comments</div>";
3197
3198 if ($line["orig_feed_id"]) {
3199
3200 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3201 WHERE id = ".$line["orig_feed_id"]);
3202
3203 if (db_num_rows($tmp_result) != 0) {
3204
3205 $rv['content'] .= "<div clear='both'>";
3206 $rv['content'] .= __("Originally from:");
3207
3208 $rv['content'] .= "&nbsp;";
3209
3210 $tmp_line = db_fetch_assoc($tmp_result);
3211
3212 $rv['content'] .= "<a target='_blank'
3213 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3214 $tmp_line['title'] . "</a>";
3215
3216 $rv['content'] .= "&nbsp;";
3217
3218 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3219 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3220
3221 $rv['content'] .= "</div>";
3222 }
3223 }
3224
3225 $rv['content'] .= "</div>";
3226
3227 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3228 if ($line['note']) {
3229 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3230 }
3231 $rv['content'] .= "</div>";
3232
3233 $rv['content'] .= "<div class=\"postContent\">";
3234
3235 $rv['content'] .= $line["content"];
3236 $rv['content'] .= format_article_enclosures($id,
3237 sql_bool_to_bool($line["always_display_enclosures"]),
3238 $line["content"],
3239 sql_bool_to_bool($line["hide_images"]));
3240
3241 $rv['content'] .= "</div>";
3242
3243 $rv['content'] .= "</div>";
3244
3245 }
3246
3247 if ($zoom_mode) {
3248 $rv['content'] .= "
3249 <div class='footer'>
3250 <button onclick=\"return window.close()\">".
3251 __("Close this window")."</button></div>";
3252 $rv['content'] .= "</body></html>";
3253 }
3254
3255 return $rv;
3256
3257 }
3258
3259 function print_checkpoint($n, $s) {
3260 $ts = microtime(true);
3261 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3262 return $ts;
3263 }
3264
3265 function sanitize_tag($tag) {
3266 $tag = trim($tag);
3267
3268 $tag = mb_strtolower($tag, 'utf-8');
3269
3270 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3271
3272 // $tag = str_replace('"', "", $tag);
3273 // $tag = str_replace("+", " ", $tag);
3274 $tag = str_replace("technorati tag: ", "", $tag);
3275
3276 return $tag;
3277 }
3278
3279 function get_self_url_prefix() {
3280 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3281 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3282 } else {
3283 return SELF_URL_PATH;
3284 }
3285 }
3286
3287 /**
3288 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3289 *
3290 * @return string The Mozilla Firefox feed adding URL.
3291 */
3292 function add_feed_url() {
3293 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3294
3295 $url_path = get_self_url_prefix() .
3296 "/public.php?op=subscribe&feed_url=%s";
3297 return $url_path;
3298 } // function add_feed_url
3299
3300 function encrypt_password($pass, $salt = '', $mode2 = false) {
3301 if ($salt && $mode2) {
3302 return "MODE2:" . hash('sha256', $salt . $pass);
3303 } else if ($salt) {
3304 return "SHA1X:" . sha1("$salt:$pass");
3305 } else {
3306 return "SHA1:" . sha1($pass);
3307 }
3308 } // function encrypt_password
3309
3310 function load_filters($feed_id, $owner_uid, $action_id = false) {
3311 $filters = array();
3312
3313 $cat_id = (int)getFeedCategory($feed_id);
3314
3315 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3316 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3317
3318 $check_cats = join(",", array_merge(
3319 getParentCategories($cat_id, $owner_uid),
3320 array($cat_id)));
3321
3322 while ($line = db_fetch_assoc($result)) {
3323 $filter_id = $line["id"];
3324
3325 $result2 = db_query("SELECT
3326 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3327 FROM ttrss_filters2_rules AS r,
3328 ttrss_filter_types AS t
3329 WHERE
3330 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3331 (feed_id IS NULL OR feed_id = '$feed_id') AND
3332 filter_type = t.id AND filter_id = '$filter_id'");
3333
3334 $rules = array();
3335 $actions = array();
3336
3337 while ($rule_line = db_fetch_assoc($result2)) {
3338 # print_r($rule_line);
3339
3340 $rule = array();
3341 $rule["reg_exp"] = $rule_line["reg_exp"];
3342 $rule["type"] = $rule_line["type_name"];
3343 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3344
3345 array_push($rules, $rule);
3346 }
3347
3348 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3349 FROM ttrss_filters2_actions AS a,
3350 ttrss_filter_actions AS t
3351 WHERE
3352 action_id = t.id AND filter_id = '$filter_id'");
3353
3354 while ($action_line = db_fetch_assoc($result2)) {
3355 # print_r($action_line);
3356
3357 $action = array();
3358 $action["type"] = $action_line["type_name"];
3359 $action["param"] = $action_line["action_param"];
3360
3361 array_push($actions, $action);
3362 }
3363
3364
3365 $filter = array();
3366 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3367 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3368 $filter["rules"] = $rules;
3369 $filter["actions"] = $actions;
3370
3371 if (count($rules) > 0 && count($actions) > 0) {
3372 array_push($filters, $filter);
3373 }
3374 }
3375
3376 return $filters;
3377 }
3378
3379 function get_score_pic($score) {
3380 if ($score > 100) {
3381 return "score_high.png";
3382 } else if ($score > 0) {
3383 return "score_half_high.png";
3384 } else if ($score < -100) {
3385 return "score_low.png";
3386 } else if ($score < 0) {
3387 return "score_half_low.png";
3388 } else {
3389 return "score_neutral.png";
3390 }
3391 }
3392
3393 function feed_has_icon($id) {
3394 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3395 }
3396
3397 function init_plugins() {
3398 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3399
3400 return true;
3401 }
3402
3403 function format_tags_string($tags, $id) {
3404 if (!is_array($tags) || count($tags) == 0) {
3405 return __("no tags");
3406 } else {
3407 $maxtags = min(5, count($tags));
3408
3409 for ($i = 0; $i < $maxtags; $i++) {
3410 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."'\")>" . $tags[$i] . "</a>, ";
3411 }
3412
3413 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3414
3415 if (count($tags) > $maxtags)
3416 $tags_str .= ", &hellip;";
3417
3418 return $tags_str;
3419 }
3420 }
3421
3422 function format_article_labels($labels, $id) {
3423
3424 if (!is_array($labels)) return '';
3425
3426 $labels_str = "";
3427
3428 foreach ($labels as $l) {
3429 $labels_str .= sprintf("<span class='hlLabelRef'
3430 style='color : %s; background-color : %s'>%s</span>",
3431 $l[2], $l[3], $l[1]);
3432 }
3433
3434 return $labels_str;
3435
3436 }
3437
3438 function format_article_note($id, $note, $allow_edit = true) {
3439
3440 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3441 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3442 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3443
3444 return $str;
3445 }
3446
3447
3448 function get_feed_category($feed_cat, $parent_cat_id = false) {
3449 if ($parent_cat_id) {
3450 $parent_qpart = "parent_cat = '$parent_cat_id'";
3451 $parent_insert = "'$parent_cat_id'";
3452 } else {
3453 $parent_qpart = "parent_cat IS NULL";
3454 $parent_insert = "NULL";
3455 }
3456
3457 $result = db_query(
3458 "SELECT id FROM ttrss_feed_categories
3459 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3460
3461 if (db_num_rows($result) == 0) {
3462 return false;
3463 } else {
3464 return db_fetch_result($result, 0, "id");
3465 }
3466 }
3467
3468 function add_feed_category($feed_cat, $parent_cat_id = false) {
3469
3470 if (!$feed_cat) return false;
3471
3472 db_query("BEGIN");
3473
3474 if ($parent_cat_id) {
3475 $parent_qpart = "parent_cat = '$parent_cat_id'";
3476 $parent_insert = "'$parent_cat_id'";
3477 } else {
3478 $parent_qpart = "parent_cat IS NULL";
3479 $parent_insert = "NULL";
3480 }
3481
3482 $feed_cat = mb_substr($feed_cat, 0, 250);
3483
3484 $result = db_query(
3485 "SELECT id FROM ttrss_feed_categories
3486 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3487
3488 if (db_num_rows($result) == 0) {
3489
3490 $result = db_query(
3491 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3492 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3493
3494 db_query("COMMIT");
3495
3496 return true;
3497 }
3498
3499 return false;
3500 }
3501
3502 function getArticleFeed($id) {
3503 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3504 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3505
3506 if (db_num_rows($result) != 0) {
3507 return db_fetch_result($result, 0, "feed_id");
3508 } else {
3509 return 0;
3510 }
3511 }
3512
3513 /**
3514 * Fixes incomplete URLs by prepending "http://".
3515 * Also replaces feed:// with http://, and
3516 * prepends a trailing slash if the url is a domain name only.
3517 *
3518 * @param string $url Possibly incomplete URL
3519 *
3520 * @return string Fixed URL.
3521 */
3522 function fix_url($url) {
3523 if (strpos($url, '://') === false) {
3524 $url = 'http://' . $url;
3525 } else if (substr($url, 0, 5) == 'feed:') {
3526 $url = 'http:' . substr($url, 5);
3527 }
3528
3529 //prepend slash if the URL has no slash in it
3530 // "http://www.example" -> "http://www.example/"
3531 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3532 $url .= '/';
3533 }
3534
3535 if ($url != "http:///")
3536 return $url;
3537 else
3538 return '';
3539 }
3540
3541 function validate_feed_url($url) {
3542 $parts = parse_url($url);
3543
3544 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3545
3546 }
3547
3548 function get_article_enclosures($id) {
3549
3550 $query = "SELECT * FROM ttrss_enclosures
3551 WHERE post_id = '$id' AND content_url != ''";
3552
3553 $rv = array();
3554
3555 $result = db_query($query);
3556
3557 if (db_num_rows($result) > 0) {
3558 while ($line = db_fetch_assoc($result)) {
3559 array_push($rv, $line);
3560 }
3561 }
3562
3563 return $rv;
3564 }
3565
3566 function save_email_address($email) {
3567 // FIXME: implement persistent storage of emails
3568
3569 if (!$_SESSION['stored_emails'])
3570 $_SESSION['stored_emails'] = array();
3571
3572 if (!in_array($email, $_SESSION['stored_emails']))
3573 array_push($_SESSION['stored_emails'], $email);
3574 }
3575
3576
3577 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3578
3579 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3580
3581 $sql_is_cat = bool_to_sql_bool($is_cat);
3582
3583 $result = db_query("SELECT access_key FROM ttrss_access_keys
3584 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3585 AND owner_uid = " . $owner_uid);
3586
3587 if (db_num_rows($result) == 1) {
3588 return db_fetch_result($result, 0, "access_key");
3589 } else {
3590 $key = db_escape_string(sha1(uniqid(rand(), true)));
3591
3592 $result = db_query("INSERT INTO ttrss_access_keys
3593 (access_key, feed_id, is_cat, owner_uid)
3594 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3595
3596 return $key;
3597 }
3598 return false;
3599 }
3600
3601 function get_feeds_from_html($url, $content)
3602 {
3603 $url = fix_url($url);
3604 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3605
3606 libxml_use_internal_errors(true);
3607
3608 $doc = new DOMDocument();
3609 $doc->loadHTML($content);
3610 $xpath = new DOMXPath($doc);
3611 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3612 $feedUrls = array();
3613 foreach ($entries as $entry) {
3614 if ($entry->hasAttribute('href')) {
3615 $title = $entry->getAttribute('title');
3616 if ($title == '') {
3617 $title = $entry->getAttribute('type');
3618 }
3619 $feedUrl = rewrite_relative_url(
3620 $baseUrl, $entry->getAttribute('href')
3621 );
3622 $feedUrls[$feedUrl] = $title;
3623 }
3624 }
3625 return $feedUrls;
3626 }
3627
3628 function is_html($content) {
3629 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3630 }
3631
3632 function url_is_html($url, $login = false, $pass = false) {
3633 return is_html(fetch_file_contents($url, false, $login, $pass));
3634 }
3635
3636 function print_label_select($name, $value, $attributes = "") {
3637
3638 $result = db_query("SELECT caption FROM ttrss_labels2
3639 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3640
3641 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3642 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3643
3644 while ($line = db_fetch_assoc($result)) {
3645
3646 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3647
3648 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3649 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3650
3651 }
3652
3653 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3654
3655 print "</select>";
3656
3657
3658 }
3659
3660 function format_article_enclosures($id, $always_display_enclosures,
3661 $article_content, $hide_images = false) {
3662
3663 $result = get_article_enclosures($id);
3664 $rv = '';
3665
3666 if (count($result) > 0) {
3667
3668 $entries_html = array();
3669 $entries = array();
3670 $entries_inline = array();
3671
3672 foreach ($result as $line) {
3673
3674 $url = $line["content_url"];
3675 $ctype = $line["content_type"];
3676
3677 if (!$ctype) $ctype = __("unknown type");
3678
3679 $filename = substr($url, strrpos($url, "/")+1);
3680
3681 $player = format_inline_player($url, $ctype);
3682
3683 if ($player) array_push($entries_inline, $player);
3684
3685 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3686 # $filename . " (" . $ctype . ")" . "</a>";
3687
3688 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3689 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3690
3691 array_push($entries_html, $entry);
3692
3693 $entry = array();
3694
3695 $entry["type"] = $ctype;
3696 $entry["filename"] = $filename;
3697 $entry["url"] = $url;
3698
3699 array_push($entries, $entry);
3700 }
3701
3702 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3703 if ($always_display_enclosures ||
3704 !preg_match("/<img/i", $article_content)) {
3705
3706 foreach ($entries as $entry) {
3707
3708 if (preg_match("/image/", $entry["type"]) ||
3709 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3710
3711 if (!$hide_images) {
3712 $rv .= "<p><img
3713 alt=\"".htmlspecialchars($entry["filename"])."\"
3714 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3715 } else {
3716 $rv .= "<p><a target=\"_blank\"
3717 href=\"".htmlspecialchars($entry["url"])."\"
3718 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3719
3720 }
3721 }
3722 }
3723 }
3724 }
3725
3726 if (count($entries_inline) > 0) {
3727 $rv .= "<hr clear='both'/>";
3728 foreach ($entries_inline as $entry) { $rv .= $entry; };
3729 $rv .= "<hr clear='both'/>";
3730 }
3731
3732 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3733 "<option value=''>" . __('Attachments')."</option>";
3734
3735 foreach ($entries as $entry) {
3736 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3737
3738 };
3739
3740 $rv .= "</select>";
3741 }
3742
3743 return $rv;
3744 }
3745
3746 function getLastArticleId() {
3747 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3748 WHERE owner_uid = " . $_SESSION["uid"]);
3749
3750 if (db_num_rows($result) == 1) {
3751 return db_fetch_result($result, 0, "id");
3752 } else {
3753 return -1;
3754 }
3755 }
3756
3757 function build_url($parts) {
3758 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3759 }
3760
3761 /**
3762 * Converts a (possibly) relative URL to a absolute one.
3763 *
3764 * @param string $url Base URL (i.e. from where the document is)
3765 * @param string $rel_url Possibly relative URL in the document
3766 *
3767 * @return string Absolute URL
3768 */
3769 function rewrite_relative_url($url, $rel_url) {
3770 if (strpos($rel_url, "magnet:") === 0) {
3771 return $rel_url;
3772 } else if (strpos($rel_url, "://") !== false) {
3773 return $rel_url;
3774 } else if (strpos($rel_url, "//") === 0) {
3775 # protocol-relative URL (rare but they exist)
3776 return $rel_url;
3777 } else if (strpos($rel_url, "/") === 0)
3778 {
3779 $parts = parse_url($url);
3780 $parts['path'] = $rel_url;
3781
3782 return build_url($parts);
3783
3784 } else {
3785 $parts = parse_url($url);
3786 if (!isset($parts['path'])) {
3787 $parts['path'] = '/';
3788 }
3789 $dir = $parts['path'];
3790 if (substr($dir, -1) !== '/') {
3791 $dir = dirname($parts['path']);
3792 $dir !== '/' && $dir .= '/';
3793 }
3794 $parts['path'] = $dir . $rel_url;
3795
3796 return build_url($parts);
3797 }
3798 }
3799
3800 function sphinx_search($query, $offset = 0, $limit = 30) {
3801 require_once 'lib/sphinxapi.php';
3802
3803 $sphinxClient = new SphinxClient();
3804
3805 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3806
3807 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3808 $sphinxClient->SetConnectTimeout(1);
3809
3810 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3811 'feed_title' => 20));
3812
3813 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3814 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3815 $sphinxClient->SetLimits($offset, $limit, 1000);
3816 $sphinxClient->SetArrayResult(false);
3817 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3818
3819 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3820
3821 $ids = array();
3822
3823 if (is_array($result['matches'])) {
3824 foreach (array_keys($result['matches']) as $int_id) {
3825 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3826 array_push($ids, $ref_id);
3827 }
3828 }
3829
3830 return $ids;
3831 }
3832
3833 function cleanup_tags($days = 14, $limit = 1000) {
3834
3835 if (DB_TYPE == "pgsql") {
3836 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3837 } else if (DB_TYPE == "mysql") {
3838 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3839 }
3840
3841 $tags_deleted = 0;
3842
3843 while ($limit > 0) {
3844 $limit_part = 500;
3845
3846 $query = "SELECT ttrss_tags.id AS id
3847 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3848 WHERE post_int_id = int_id AND $interval_query AND
3849 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3850
3851 $result = db_query($query);
3852
3853 $ids = array();
3854
3855 while ($line = db_fetch_assoc($result)) {
3856 array_push($ids, $line['id']);
3857 }
3858
3859 if (count($ids) > 0) {
3860 $ids = join(",", $ids);
3861
3862 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3863 $tags_deleted += db_affected_rows($tmp_result);
3864 } else {
3865 break;
3866 }
3867
3868 $limit -= $limit_part;
3869 }
3870
3871 return $tags_deleted;
3872 }
3873
3874 function print_user_stylesheet() {
3875 $value = get_pref('USER_STYLESHEET');
3876
3877 if ($value) {
3878 print "<style type=\"text/css\">";
3879 print str_replace("<br/>", "\n", $value);
3880 print "</style>";
3881 }
3882
3883 }
3884
3885 function rewrite_urls($html) {
3886 libxml_use_internal_errors(true);
3887
3888 $charset_hack = '<head>
3889 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3890 </head>';
3891
3892 $doc = new DOMDocument();
3893 $doc->loadHTML($charset_hack . $html);
3894 $xpath = new DOMXPath($doc);
3895
3896 $entries = $xpath->query('//*/text()');
3897
3898 foreach ($entries as $entry) {
3899 if (strstr($entry->wholeText, "://") !== false) {
3900 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3901 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3902
3903 if ($text != $entry->wholeText) {
3904 $cdoc = new DOMDocument();
3905 $cdoc->loadHTML($charset_hack . $text);
3906
3907
3908 foreach ($cdoc->childNodes as $cnode) {
3909 $cnode = $doc->importNode($cnode, true);
3910
3911 if ($cnode) {
3912 $entry->parentNode->insertBefore($cnode);
3913 }
3914 }
3915
3916 $entry->parentNode->removeChild($entry);
3917
3918 }
3919 }
3920 }
3921
3922 $node = $doc->getElementsByTagName('body')->item(0);
3923
3924 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3925 if ($node)
3926 return $doc->saveXML($node);
3927 else
3928 return $html;
3929 }
3930
3931 function filter_to_sql($filter, $owner_uid) {
3932 $query = array();
3933
3934 if (DB_TYPE == "pgsql")
3935 $reg_qpart = "~";
3936 else
3937 $reg_qpart = "REGEXP";
3938
3939 foreach ($filter["rules"] AS $rule) {
3940 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3941 $rule['reg_exp']) !== FALSE;
3942
3943 if ($regexp_valid) {
3944
3945 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3946
3947 switch ($rule["type"]) {
3948 case "title":
3949 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3950 $rule['reg_exp'] . "')";
3951 break;
3952 case "content":
3953 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3954 $rule['reg_exp'] . "')";
3955 break;
3956 case "both":
3957 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3958 $rule['reg_exp'] . "') OR LOWER(" .
3959 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3960 break;
3961 case "tag":
3962 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3963 $rule['reg_exp'] . "')";
3964 break;
3965 case "link":
3966 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3967 $rule['reg_exp'] . "')";
3968 break;
3969 case "author":
3970 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3971 $rule['reg_exp'] . "')";
3972 break;
3973 }
3974
3975 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3976
3977 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3978 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3979 }
3980
3981 if (isset($rule["cat_id"])) {
3982
3983 if ($rule["cat_id"] > 0) {
3984 $children = getChildCategories($rule["cat_id"], $owner_uid);
3985 array_push($children, $rule["cat_id"]);
3986
3987 $children = join(",", $children);
3988
3989 $cat_qpart = "cat_id IN ($children)";
3990 } else {
3991 $cat_qpart = "cat_id IS NULL";
3992 }
3993
3994 $qpart .= " AND $cat_qpart";
3995 }
3996
3997 array_push($query, "($qpart)");
3998
3999 }
4000 }
4001
4002 if (count($query) > 0) {
4003 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4004 } else {
4005 $fullquery = "(false)";
4006 }
4007
4008 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4009
4010 return $fullquery;
4011 }
4012
4013 if (!function_exists('gzdecode')) {
4014 function gzdecode($string) { // no support for 2nd argument
4015 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4016 base64_encode($string));
4017 }
4018 }
4019
4020 function get_random_bytes($length) {
4021 if (function_exists('openssl_random_pseudo_bytes')) {
4022 return openssl_random_pseudo_bytes($length);
4023 } else {
4024 $output = "";
4025
4026 for ($i = 0; $i < $length; $i++)
4027 $output .= chr(mt_rand(0, 255));
4028
4029 return $output;
4030 }
4031 }
4032
4033 function read_stdin() {
4034 $fp = fopen("php://stdin", "r");
4035
4036 if ($fp) {
4037 $line = trim(fgets($fp));
4038 fclose($fp);
4039 return $line;
4040 }
4041
4042 return null;
4043 }
4044
4045 function tmpdirname($path, $prefix) {
4046 // Use PHP's tmpfile function to create a temporary
4047 // directory name. Delete the file and keep the name.
4048 $tempname = tempnam($path,$prefix);
4049 if (!$tempname)
4050 return false;
4051
4052 if (!unlink($tempname))
4053 return false;
4054
4055 return $tempname;
4056 }
4057
4058 function getFeedCategory($feed) {
4059 $result = db_query("SELECT cat_id FROM ttrss_feeds
4060 WHERE id = '$feed'");
4061
4062 if (db_num_rows($result) > 0) {
4063 return db_fetch_result($result, 0, "cat_id");
4064 } else {
4065 return false;
4066 }
4067
4068 }
4069
4070 function implements_interface($class, $interface) {
4071 return in_array($interface, class_implements($class));
4072 }
4073
4074 function geturl($url){
4075
4076 if (!function_exists('curl_init'))
4077 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);
4078
4079 $curl = curl_init();
4080 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4081 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4082 $header[] = "Cache-Control: max-age=0";
4083 $header[] = "Connection: keep-alive";
4084 $header[] = "Keep-Alive: 300";
4085 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4086 $header[] = "Accept-Language: en-us,en;q=0.5";
4087 $header[] = "Pragma: ";
4088
4089 curl_setopt($curl, CURLOPT_URL, $url);
4090 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4091 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4092 curl_setopt($curl, CURLOPT_HEADER, true);
4093 curl_setopt($curl, CURLOPT_REFERER, $url);
4094 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4095 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4096 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4097 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4098 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4099
4100 $html = curl_exec($curl);
4101
4102 $status = curl_getinfo($curl);
4103 curl_close($curl);
4104
4105 if($status['http_code']!=200){
4106 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4107 list($header) = explode("\r\n\r\n", $html, 2);
4108 $matches = array();
4109 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4110 $url = trim(str_replace($matches[1],"",$matches[0]));
4111 $url_parsed = parse_url($url);
4112 return (isset($url_parsed))? geturl($url):'';
4113 }
4114 $oline='';
4115 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4116 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4117 # $handle = @fopen('./curl.error.log', 'a');
4118 # fwrite($handle, $line);
4119 return FALSE;
4120 }
4121 return $url;
4122 }
4123
4124 function get_minified_js($files) {
4125 require_once 'lib/jshrink/Minifier.php';
4126
4127 $rv = '';
4128
4129 foreach ($files as $js) {
4130 if (!isset($_GET['debug'])) {
4131 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4132
4133 if (file_exists($cached_file) &&
4134 is_readable($cached_file) &&
4135 filemtime($cached_file) >= filemtime("js/$js.js")) {
4136
4137 $rv .= file_get_contents($cached_file);
4138
4139 } else {
4140 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4141 file_put_contents($cached_file, $minified);
4142 $rv .= $minified;
4143 }
4144 } else {
4145 $rv .= file_get_contents("js/$js.js");
4146 }
4147 }
4148
4149 return $rv;
4150 }
4151
4152 function stylesheet_tag($filename) {
4153 $timestamp = filemtime($filename);
4154
4155 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4156 }
4157
4158 function javascript_tag($filename) {
4159 $query = "";
4160
4161 if (!(strpos($filename, "?") === FALSE)) {
4162 $query = substr($filename, strpos($filename, "?")+1);
4163 $filename = substr($filename, 0, strpos($filename, "?"));
4164 }
4165
4166 $timestamp = filemtime($filename);
4167
4168 if ($query) $timestamp .= "&$query";
4169
4170 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4171 }
4172
4173 function calculate_dep_timestamp() {
4174 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
4175
4176 $max_ts = -1;
4177
4178 foreach ($files as $file) {
4179 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4180 }
4181
4182 return $max_ts;
4183 }
4184
4185 function T_js_decl($s1, $s2) {
4186 if ($s1 && $s2) {
4187 $s1 = preg_replace("/\n/", "", $s1);
4188 $s2 = preg_replace("/\n/", "", $s2);
4189
4190 $s1 = preg_replace("/\"/", "\\\"", $s1);
4191 $s2 = preg_replace("/\"/", "\\\"", $s2);
4192
4193 return "T_messages[\"$s1\"] = \"$s2\";\n";
4194 }
4195 }
4196
4197 function init_js_translations() {
4198
4199 print 'var T_messages = new Object();
4200
4201 function __(msg) {
4202 if (T_messages[msg]) {
4203 return T_messages[msg];
4204 } else {
4205 return msg;
4206 }
4207 }
4208
4209 function ngettext(msg1, msg2, n) {
4210 return (parseInt(n) > 1) ? msg2 : msg1;
4211 }';
4212
4213 $l10n = _get_reader();
4214
4215 for ($i = 0; $i < $l10n->total; $i++) {
4216 $orig = $l10n->get_original_string($i);
4217 $translation = __($orig);
4218
4219 print T_js_decl($orig, $translation);
4220 }
4221 }
4222
4223 function label_to_feed_id($label) {
4224 return LABEL_BASE_INDEX - 1 - abs($label);
4225 }
4226
4227 function feed_to_label_id($feed) {
4228 return LABEL_BASE_INDEX - 1 + abs($feed);
4229 }
4230
4231 function format_libxml_error($error) {
4232 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4233 $error->code, $error->line, $error->column,
4234 $error->message);
4235 }
4236
4237 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/