]> git.wh0rd.org - tt-rss.git/blob - include/functions.php
git.wh0rd.org / tt-rss.git / blob
? search:


6c6bf2661c8e97f8637d04d2651b9df6aa2733b7
[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 123);
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 $suppress_debugging = false;
15
16 mb_internal_encoding("UTF-8");
17 date_default_timezone_set('UTC');
18 if (defined('E_DEPRECATED')) {
19 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
20 } else {
21 error_reporting(E_ALL & ~E_NOTICE);
22 }
23
24 require_once 'config.php';
25
26 /**
27 * Define a constant if not already defined
28 *
29 * @param string $name The constant name.
30 * @param mixed $value The constant value.
31 * @access public
32 * @return boolean True if defined successfully or not.
33 */
34 function define_default($name, $value) {
35 defined($name) or define($name, $value);
36 }
37
38 ///// Some defaults that you can override in config.php //////
39
40 define_default('FEED_FETCH_TIMEOUT', 45);
41 // How may seconds to wait for response when requesting feed from a site
42 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
43 // How may seconds to wait for response when requesting feed from a
44 // site when that feed wasn't cached before
45 define_default('FILE_FETCH_TIMEOUT', 45);
46 // Default timeout when fetching files from remote sites
47 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
48 // How many seconds to wait for initial response from website when
49 // fetching files from remote sites
50
51 if (DB_TYPE == "pgsql") {
52 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
53 } else {
54 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
55 }
56
57 /**
58 * Return available translations names.
59 *
60 * @access public
61 * @return array A array of available translations.
62 */
63 function get_translations() {
64 $tr = array(
65 "auto" => "Detect automatically",
66 "ca_CA" => "Català",
67 "cs_CZ" => "Česky",
68 "en_US" => "English",
69 "es_ES" => "Español",
70 "de_DE" => "Deutsch",
71 "fr_FR" => "Français",
72 "hu_HU" => "Magyar (Hungarian)",
73 "it_IT" => "Italiano",
74 "ja_JP" => "日本語 (Japanese)",
75 "lv_LV" => "Latviešu",
76 "nb_NO" => "Norwegian bokmål",
77 "nl_NL" => "Dutch",
78 "pl_PL" => "Polski",
79 "ru_RU" => "Русский",
80 "pt_BR" => "Portuguese/Brazil",
81 "zh_CN" => "Simplified Chinese",
82 "sv_SE" => "Svenska",
83 "fi_FI" => "Suomi",
84 "tr_TR" => "Türkçe");
85
86 return $tr;
87 }
88
89 require_once "lib/accept-to-gettext.php";
90 require_once "lib/gettext/gettext.inc";
91
92 require_once "lib/languagedetect/LanguageDetect.php";
93
94 function startup_gettext() {
95
96 # Get locale from Accept-Language header
97 $lang = al2gt(array_keys(get_translations()), "text/html");
98
99 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
100 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
101 }
102
103 if ($_SESSION["uid"] && get_schema_version() >= 120) {
104 $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
105
106 if ($pref_lang && $pref_lang != 'auto') {
107 $lang = $pref_lang;
108 }
109 }
110
111 if ($lang) {
112 if (defined('LC_MESSAGES')) {
113 _setlocale(LC_MESSAGES, $lang);
114 } else if (defined('LC_ALL')) {
115 _setlocale(LC_ALL, $lang);
116 }
117
118 _bindtextdomain("messages", "locale");
119
120 _textdomain("messages");
121 _bind_textdomain_codeset("messages", "UTF-8");
122 }
123 }
124
125 require_once 'db-prefs.php';
126 require_once 'version.php';
127 require_once 'ccache.php';
128 require_once 'labels.php';
129
130 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
131 ini_set('user_agent', SELF_USER_AGENT);
132
133 require_once 'lib/pubsubhubbub/publisher.php';
134
135 $schema_version = false;
136
137 function _debug_suppress($suppress) {
138 global $suppress_debugging;
139
140 $suppress_debugging = $suppress;
141 }
142
143 /**
144 * Print a timestamped debug message.
145 *
146 * @param string $msg The debug message.
147 * @return void
148 */
149 function _debug($msg, $show = true) {
150 global $suppress_debugging;
151
152 //echo "[$suppress_debugging] $msg $show\n";
153
154 if ($suppress_debugging) return false;
155
156 $ts = strftime("%H:%M:%S", time());
157 if (function_exists('posix_getpid')) {
158 $ts = "$ts/" . posix_getpid();
159 }
160
161 if ($show && !(defined('QUIET') && QUIET)) {
162 print "[$ts] $msg\n";
163 }
164
165 if (defined('LOGFILE')) {
166 $fp = fopen(LOGFILE, 'a+');
167
168 if ($fp) {
169 $locked = false;
170
171 if (function_exists("flock")) {
172 $tries = 0;
173
174 // try to lock logfile for writing
175 while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
176 sleep(1);
177 ++$tries;
178 }
179
180 if (!$locked) {
181 fclose($fp);
182 return;
183 }
184 }
185
186 fputs($fp, "[$ts] $msg\n");
187
188 if (function_exists("flock")) {
189 flock($fp, LOCK_UN);
190 }
191
192 fclose($fp);
193 }
194 }
195
196 } // function _debug
197
198 /**
199 * Purge a feed old posts.
200 *
201 * @param mixed $link A database connection.
202 * @param mixed $feed_id The id of the purged feed.
203 * @param mixed $purge_interval Olderness of purged posts.
204 * @param boolean $debug Set to True to enable the debug. False by default.
205 * @access public
206 * @return void
207 */
208 function purge_feed($feed_id, $purge_interval, $debug = false) {
209
210 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
211
212 $rows = -1;
213
214 $result = db_query(
215 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
216
217 $owner_uid = false;
218
219 if (db_num_rows($result) == 1) {
220 $owner_uid = db_fetch_result($result, 0, "owner_uid");
221 }
222
223 if ($purge_interval == -1 || !$purge_interval) {
224 if ($owner_uid) {
225 ccache_update($feed_id, $owner_uid);
226 }
227 return;
228 }
229
230 if (!$owner_uid) return;
231
232 if (FORCE_ARTICLE_PURGE == 0) {
233 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
234 $owner_uid, false);
235 } else {
236 $purge_unread = true;
237 $purge_interval = FORCE_ARTICLE_PURGE;
238 }
239
240 if (!$purge_unread) $query_limit = " unread = false AND ";
241
242 if (DB_TYPE == "pgsql") {
243 $pg_version = get_pgsql_version();
244
245 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
246
247 $result = db_query("DELETE FROM ttrss_user_entries WHERE
248 ttrss_entries.id = ref_id AND
249 marked = false AND
250 feed_id = '$feed_id' AND
251 $query_limit
252 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
253
254 } else {
255
256 $result = db_query("DELETE FROM ttrss_user_entries
257 USING ttrss_entries
258 WHERE ttrss_entries.id = ref_id AND
259 marked = false AND
260 feed_id = '$feed_id' AND
261 $query_limit
262 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
263 }
264
265 } else {
266
267 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
268 marked = false AND feed_id = '$feed_id' AND
269 (SELECT date_updated FROM ttrss_entries WHERE
270 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
271
272 $result = db_query("DELETE FROM ttrss_user_entries
273 USING ttrss_user_entries, ttrss_entries
274 WHERE ttrss_entries.id = ref_id AND
275 marked = false AND
276 feed_id = '$feed_id' AND
277 $query_limit
278 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
279 }
280
281 $rows = db_affected_rows($result);
282
283 ccache_update($feed_id, $owner_uid);
284
285 if ($debug) {
286 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
287 }
288
289 return $rows;
290 } // function purge_feed
291
292 function feed_purge_interval($feed_id) {
293
294 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
295 WHERE id = '$feed_id'");
296
297 if (db_num_rows($result) == 1) {
298 $purge_interval = db_fetch_result($result, 0, "purge_interval");
299 $owner_uid = db_fetch_result($result, 0, "owner_uid");
300
301 if ($purge_interval == 0) $purge_interval = get_pref(
302 'PURGE_OLD_DAYS', $owner_uid);
303
304 return $purge_interval;
305
306 } else {
307 return -1;
308 }
309 }
310
311 function purge_orphans($do_output = false) {
312
313 // purge orphaned posts in main content table
314 $result = db_query("DELETE FROM ttrss_entries WHERE
315 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
316
317 if ($do_output) {
318 $rows = db_affected_rows($result);
319 _debug("Purged $rows orphaned posts.");
320 }
321 }
322
323 function get_feed_update_interval($feed_id) {
324 $result = db_query("SELECT owner_uid, update_interval FROM
325 ttrss_feeds WHERE id = '$feed_id'");
326
327 if (db_num_rows($result) == 1) {
328 $update_interval = db_fetch_result($result, 0, "update_interval");
329 $owner_uid = db_fetch_result($result, 0, "owner_uid");
330
331 if ($update_interval != 0) {
332 return $update_interval;
333 } else {
334 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
335 }
336
337 } else {
338 return -1;
339 }
340 }
341
342 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
343
344 global $fetch_last_error;
345 global $fetch_last_error_code;
346 global $fetch_last_content_type;
347 global $fetch_curl_used;
348
349 $url = str_replace(' ', '%20', $url);
350
351 if (!defined('NO_CURL') && function_exists('curl_init')) {
352
353 $fetch_curl_used = true;
354
355 if (ini_get("safe_mode") || ini_get("open_basedir")) {
356 $new_url = geturl($url);
357 if (!$new_url) {
358 // geturl has already populated $fetch_last_error
359 return false;
360 }
361 $ch = curl_init($new_url);
362 } else {
363 $ch = curl_init($url);
364 }
365
366 if ($timestamp && !$post_query) {
367 curl_setopt($ch, CURLOPT_HTTPHEADER,
368 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
369 }
370
371 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
372 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
373 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
374 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
375 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
376 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
377 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
378 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
379 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
380 curl_setopt($ch, CURLOPT_ENCODING, "");
381 curl_setopt($ch, CURLOPT_REFERER, $url);
382
383 if (!ini_get("safe_mode") && !ini_get("open_basedir")) {
384 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
385 }
386
387 if (defined('_CURL_HTTP_PROXY')) {
388 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
389 }
390
391 if ($post_query) {
392 curl_setopt($ch, CURLOPT_POST, true);
393 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
394 }
395
396 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
397 curl_setopt($ch, CURLOPT_SSLVERSION, 3);
398 }
399
400 if ($login && $pass)
401 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
402
403 $contents = @curl_exec($ch);
404
405 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
406 curl_setopt($ch, CURLOPT_ENCODING, 'none');
407 $contents = @curl_exec($ch);
408 }
409
410 if ($contents === false) {
411 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
412 curl_close($ch);
413 return false;
414 }
415
416 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
417 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
418
419 $fetch_last_error_code = $http_code;
420
421 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
422 if (curl_errno($ch) != 0) {
423 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
424 } else {
425 $fetch_last_error = "HTTP Code: $http_code";
426 }
427 curl_close($ch);
428 return false;
429 }
430
431 curl_close($ch);
432
433 return $contents;
434 } else {
435
436 $fetch_curl_used = false;
437
438 if ($login && $pass){
439 $url_parts = array();
440
441 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
442
443 $pass = urlencode($pass);
444
445 if ($url_parts[1] && $url_parts[2]) {
446 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
447 }
448 }
449
450 if (!$post_query && $timestamp) {
451 $context = stream_context_create(array(
452 'http' => array(
453 'method' => 'GET',
454 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
455 )));
456 } else {
457 $context = NULL;
458 }
459
460 $old_error = error_get_last();
461
462 $data = @file_get_contents($url, false, $context);
463
464 $fetch_last_content_type = false; // reset if no type was sent from server
465 if (isset($http_response_header) && is_array($http_response_header)) {
466 foreach ($http_response_header as $h) {
467 if (substr(strtolower($h), 0, 13) == 'content-type:') {
468 $fetch_last_content_type = substr($h, 14);
469 // don't abort here b/c there might be more than one
470 // e.g. if we were being redirected -- last one is the right one
471 }
472
473 if (substr(strtolower($h), 0, 7) == 'http/1.') {
474 $fetch_last_error_code = (int) substr($h, 9, 3);
475 }
476 }
477 }
478
479 if (!$data) {
480 $error = error_get_last();
481
482 if ($error['message'] != $old_error['message']) {
483 $fetch_last_error = $error["message"];
484 } else {
485 $fetch_last_error = "HTTP Code: $fetch_last_error_code";
486 }
487 }
488 return $data;
489 }
490
491 }
492
493 /**
494 * Try to determine the favicon URL for a feed.
495 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
496 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
497 *
498 * @param string $url A feed or page URL
499 * @access public
500 * @return mixed The favicon URL, or false if none was found.
501 */
502 function get_favicon_url($url) {
503
504 $favicon_url = false;
505
506 if ($html = @fetch_file_contents($url)) {
507
508 libxml_use_internal_errors(true);
509
510 $doc = new DOMDocument();
511 $doc->loadHTML($html);
512 $xpath = new DOMXPath($doc);
513
514 $base = $xpath->query('/html/head/base');
515 foreach ($base as $b) {
516 $url = $b->getAttribute("href");
517 break;
518 }
519
520 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
521 if (count($entries) > 0) {
522 foreach ($entries as $entry) {
523 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
524 break;
525 }
526 }
527 }
528
529 if (!$favicon_url)
530 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
531
532 return $favicon_url;
533 } // function get_favicon_url
534
535 function check_feed_favicon($site_url, $feed) {
536 # print "FAVICON [$site_url]: $favicon_url\n";
537
538 $icon_file = ICONS_DIR . "/$feed.ico";
539
540 if (!file_exists($icon_file)) {
541 $favicon_url = get_favicon_url($site_url);
542
543 if ($favicon_url) {
544 // Limiting to "image" type misses those served with text/plain
545 $contents = fetch_file_contents($favicon_url); // , "image");
546
547 if ($contents) {
548 // Crude image type matching.
549 // Patterns gleaned from the file(1) source code.
550 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
551 // 0 string \000\000\001\000 MS Windows icon resource
552 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
553 }
554 elseif (preg_match('/^GIF8/', $contents)) {
555 // 0 string GIF8 GIF image data
556 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
557 }
558 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
559 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
560 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
561 }
562 elseif (preg_match('/^\xff\xd8/', $contents)) {
563 // 0 beshort 0xffd8 JPEG image data
564 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
565 }
566 else {
567 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
568 $contents = "";
569 }
570 }
571
572 if ($contents) {
573 $fp = @fopen($icon_file, "w");
574
575 if ($fp) {
576 fwrite($fp, $contents);
577 fclose($fp);
578 chmod($icon_file, 0644);
579 }
580 }
581 }
582 return $icon_file;
583 }
584 }
585
586 function print_select($id, $default, $values, $attributes = "") {
587 print "<select name=\"$id\" id=\"$id\" $attributes>";
588 foreach ($values as $v) {
589 if ($v == $default)
590 $sel = "selected=\"1\"";
591 else
592 $sel = "";
593
594 $v = trim($v);
595
596 print "<option value=\"$v\" $sel>$v</option>";
597 }
598 print "</select>";
599 }
600
601 function print_select_hash($id, $default, $values, $attributes = "") {
602 print "<select name=\"$id\" id='$id' $attributes>";
603 foreach (array_keys($values) as $v) {
604 if ($v == $default)
605 $sel = 'selected="selected"';
606 else
607 $sel = "";
608
609 $v = trim($v);
610
611 print "<option $sel value=\"$v\">".$values[$v]."</option>";
612 }
613
614 print "</select>";
615 }
616
617 function print_radio($id, $default, $true_is, $values, $attributes = "") {
618 foreach ($values as $v) {
619
620 if ($v == $default)
621 $sel = "checked";
622 else
623 $sel = "";
624
625 if ($v == $true_is) {
626 $sel .= " value=\"1\"";
627 } else {
628 $sel .= " value=\"0\"";
629 }
630
631 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
632 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
633
634 }
635 }
636
637 function initialize_user_prefs($uid, $profile = false) {
638
639 $uid = db_escape_string($uid);
640
641 if (!$profile) {
642 $profile = "NULL";
643 $profile_qpart = "AND profile IS NULL";
644 } else {
645 $profile_qpart = "AND profile = '$profile'";
646 }
647
648 if (get_schema_version() < 63) $profile_qpart = "";
649
650 db_query("BEGIN");
651
652 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
653
654 $u_result = db_query("SELECT pref_name
655 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
656
657 $active_prefs = array();
658
659 while ($line = db_fetch_assoc($u_result)) {
660 array_push($active_prefs, $line["pref_name"]);
661 }
662
663 while ($line = db_fetch_assoc($result)) {
664 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
665 // print "adding " . $line["pref_name"] . "<br>";
666
667 $line["def_value"] = db_escape_string($line["def_value"]);
668 $line["pref_name"] = db_escape_string($line["pref_name"]);
669
670 if (get_schema_version() < 63) {
671 db_query("INSERT INTO ttrss_user_prefs
672 (owner_uid,pref_name,value) VALUES
673 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
674
675 } else {
676 db_query("INSERT INTO ttrss_user_prefs
677 (owner_uid,pref_name,value, profile) VALUES
678 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
679 }
680
681 }
682 }
683
684 db_query("COMMIT");
685
686 }
687
688 function get_ssl_certificate_id() {
689 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
690 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
691 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
692 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
693 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
694 }
695 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
696 return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
697 $_SERVER["SSL_CLIENT_V_START"] .
698 $_SERVER["SSL_CLIENT_V_END"] .
699 $_SERVER["SSL_CLIENT_S_DN"]);
700 }
701 return "";
702 }
703
704 function authenticate_user($login, $password, $check_only = false) {
705
706 if (!SINGLE_USER_MODE) {
707 $user_id = false;
708
709 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
710
711 $user_id = (int) $plugin->authenticate($login, $password);
712
713 if ($user_id) {
714 $_SESSION["auth_module"] = strtolower(get_class($plugin));
715 break;
716 }
717 }
718
719 if ($user_id && !$check_only) {
720 @session_start();
721
722 $_SESSION["uid"] = $user_id;
723 $_SESSION["version"] = VERSION_STATIC;
724
725 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
726 WHERE id = '$user_id'");
727
728 $_SESSION["name"] = db_fetch_result($result, 0, "login");
729 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
730 $_SESSION["csrf_token"] = uniqid(rand(), true);
731
732 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
733 $_SESSION["uid"]);
734
735 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
736 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
737 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
738
739 $_SESSION["last_version_check"] = time();
740
741 initialize_user_prefs($_SESSION["uid"]);
742
743 return true;
744 }
745
746 return false;
747
748 } else {
749
750 $_SESSION["uid"] = 1;
751 $_SESSION["name"] = "admin";
752 $_SESSION["access_level"] = 10;
753
754 $_SESSION["hide_hello"] = true;
755 $_SESSION["hide_logout"] = true;
756
757 $_SESSION["auth_module"] = false;
758
759 if (!$_SESSION["csrf_token"]) {
760 $_SESSION["csrf_token"] = uniqid(rand(), true);
761 }
762
763 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
764
765 initialize_user_prefs($_SESSION["uid"]);
766
767 return true;
768 }
769 }
770
771 function make_password($length = 8) {
772
773 $password = "";
774 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
775
776 $i = 0;
777
778 while ($i < $length) {
779 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
780
781 if (!strstr($password, $char)) {
782 $password .= $char;
783 $i++;
784 }
785 }
786 return $password;
787 }
788
789 // this is called after user is created to initialize default feeds, labels
790 // or whatever else
791
792 // user preferences are checked on every login, not here
793
794 function initialize_user($uid) {
795
796 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
797 values ('$uid', 'Tiny Tiny RSS: New Releases',
798 'http://tt-rss.org/releases.rss')");
799
800 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
801 values ('$uid', 'Tiny Tiny RSS: Forum',
802 'http://tt-rss.org/forum/rss.php')");
803 }
804
805 function logout_user() {
806 session_destroy();
807 if (isset($_COOKIE[session_name()])) {
808 setcookie(session_name(), '', time()-42000, '/');
809 }
810 }
811
812 function validate_csrf($csrf_token) {
813 return $csrf_token == $_SESSION['csrf_token'];
814 }
815
816 function load_user_plugins($owner_uid) {
817 if ($owner_uid && SCHEMA_VERSION >= 100) {
818 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
819
820 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
821
822 if (get_schema_version() > 100) {
823 PluginHost::getInstance()->load_data();
824 }
825 }
826 }
827
828 function login_sequence() {
829 if (SINGLE_USER_MODE) {
830 @session_start();
831 authenticate_user("admin", null);
832 startup_gettext();
833 load_user_plugins($_SESSION["uid"]);
834 } else {
835 if (!validate_session()) $_SESSION["uid"] = false;
836
837 if (!$_SESSION["uid"]) {
838
839 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
840 $_SESSION["ref_schema_version"] = get_schema_version(true);
841 } else {
842 authenticate_user(null, null, true);
843 }
844
845 if (!$_SESSION["uid"]) {
846 @session_destroy();
847 setcookie(session_name(), '', time()-42000, '/');
848
849 render_login_form();
850 exit;
851 }
852
853 } else {
854 /* bump login timestamp */
855 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
856 $_SESSION["uid"]);
857 $_SESSION["last_login_update"] = time();
858 }
859
860 if ($_SESSION["uid"]) {
861 startup_gettext();
862 load_user_plugins($_SESSION["uid"]);
863
864 /* cleanup ccache */
865
866 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
867 $_SESSION["uid"] . " AND
868 (SELECT COUNT(id) FROM ttrss_feeds WHERE
869 ttrss_feeds.id = feed_id) = 0");
870
871 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
872 $_SESSION["uid"] . " AND
873 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
874 ttrss_feed_categories.id = feed_id) = 0");
875
876 }
877
878 }
879 }
880
881 function truncate_string($str, $max_len, $suffix = '&hellip;') {
882 if (mb_strlen($str, "utf-8") > $max_len - 3) {
883 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
884 } else {
885 return $str;
886 }
887 }
888
889 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
890
891 try {
892 $source_tz = new DateTimeZone($source_tz);
893 } catch (Exception $e) {
894 $source_tz = new DateTimeZone('UTC');
895 }
896
897 try {
898 $dest_tz = new DateTimeZone($dest_tz);
899 } catch (Exception $e) {
900 $dest_tz = new DateTimeZone('UTC');
901 }
902
903 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
904 return $dt->format('U') + $dest_tz->getOffset($dt);
905 }
906
907 function make_local_datetime($timestamp, $long, $owner_uid = false,
908 $no_smart_dt = false) {
909
910 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
911 if (!$timestamp) $timestamp = '1970-01-01 0:00';
912
913 global $utc_tz;
914 global $user_tz;
915
916 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
917
918 $timestamp = substr($timestamp, 0, 19);
919
920 # We store date in UTC internally
921 $dt = new DateTime($timestamp, $utc_tz);
922
923 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
924
925 if ($user_tz_string != 'Automatic') {
926
927 try {
928 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
929 } catch (Exception $e) {
930 $user_tz = $utc_tz;
931 }
932
933 $tz_offset = $user_tz->getOffset($dt);
934 } else {
935 $tz_offset = (int) -$_SESSION["clientTzOffset"];
936 }
937
938 $user_timestamp = $dt->format('U') + $tz_offset;
939
940 if (!$no_smart_dt) {
941 return smart_date_time($user_timestamp,
942 $tz_offset, $owner_uid);
943 } else {
944 if ($long)
945 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
946 else
947 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
948
949 return date($format, $user_timestamp);
950 }
951 }
952
953 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
954 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
955
956 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
957 return date("G:i", $timestamp);
958 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
959 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
960 return date($format, $timestamp);
961 } else {
962 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
963 return date($format, $timestamp);
964 }
965 }
966
967 function sql_bool_to_bool($s) {
968 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
969 return true;
970 } else {
971 return false;
972 }
973 }
974
975 function bool_to_sql_bool($s) {
976 if ($s) {
977 return "true";
978 } else {
979 return "false";
980 }
981 }
982
983 // Session caching removed due to causing wrong redirects to upgrade
984 // script when get_schema_version() is called on an obsolete session
985 // created on a previous schema version.
986 function get_schema_version($nocache = false) {
987 global $schema_version;
988
989 if (!$schema_version && !$nocache) {
990 $result = db_query("SELECT schema_version FROM ttrss_version");
991 $version = db_fetch_result($result, 0, "schema_version");
992 $schema_version = $version;
993 return $version;
994 } else {
995 return $schema_version;
996 }
997 }
998
999 function sanity_check() {
1000 require_once 'errors.php';
1001
1002 $error_code = 0;
1003 $schema_version = get_schema_version(true);
1004
1005 if ($schema_version != SCHEMA_VERSION) {
1006 $error_code = 5;
1007 }
1008
1009 if (DB_TYPE == "mysql") {
1010 $result = db_query("SELECT true", false);
1011 if (db_num_rows($result) != 1) {
1012 $error_code = 10;
1013 }
1014 }
1015
1016 if (db_escape_string("testTEST") != "testTEST") {
1017 $error_code = 12;
1018 }
1019
1020 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1021 }
1022
1023 function file_is_locked($filename) {
1024 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1025 if (function_exists('flock')) {
1026 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1027 if ($fp) {
1028 if (flock($fp, LOCK_EX | LOCK_NB)) {
1029 flock($fp, LOCK_UN);
1030 fclose($fp);
1031 return false;
1032 }
1033 fclose($fp);
1034 return true;
1035 } else {
1036 return false;
1037 }
1038 }
1039 return true; // consider the file always locked and skip the test
1040 } else {
1041 return false;
1042 }
1043 }
1044
1045
1046 function make_lockfile($filename) {
1047 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1048
1049 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1050 $stat_h = fstat($fp);
1051 $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1052
1053 if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1054 if ($stat_h["ino"] != $stat_f["ino"] ||
1055 $stat_h["dev"] != $stat_f["dev"]) {
1056
1057 return false;
1058 }
1059 }
1060
1061 if (function_exists('posix_getpid')) {
1062 fwrite($fp, posix_getpid() . "\n");
1063 }
1064 return $fp;
1065 } else {
1066 return false;
1067 }
1068 }
1069
1070 function make_stampfile($filename) {
1071 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1072
1073 if (flock($fp, LOCK_EX | LOCK_NB)) {
1074 fwrite($fp, time() . "\n");
1075 flock($fp, LOCK_UN);
1076 fclose($fp);
1077 return true;
1078 } else {
1079 return false;
1080 }
1081 }
1082
1083 function sql_random_function() {
1084 if (DB_TYPE == "mysql") {
1085 return "RAND()";
1086 } else {
1087 return "RANDOM()";
1088 }
1089 }
1090
1091 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1092
1093 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1094
1095 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1096
1097 // Todo: all this interval stuff needs some generic generator function
1098
1099 $date_qpart = "false";
1100
1101 switch ($mode) {
1102 case "1day":
1103 if (DB_TYPE == "pgsql") {
1104 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1105 } else {
1106 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1107 }
1108 break;
1109 case "1week":
1110 if (DB_TYPE == "pgsql") {
1111 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1112 } else {
1113 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1114 }
1115 break;
1116 case "2week":
1117 if (DB_TYPE == "pgsql") {
1118 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1119 } else {
1120 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1121 }
1122 break;
1123 default:
1124 $date_qpart = "true";
1125 }
1126
1127 if (is_numeric($feed)) {
1128 if ($cat_view) {
1129
1130 if ($feed >= 0) {
1131
1132 if ($feed > 0) {
1133 $children = getChildCategories($feed, $owner_uid);
1134 array_push($children, $feed);
1135
1136 $children = join(",", $children);
1137
1138 $cat_qpart = "cat_id IN ($children)";
1139 } else {
1140 $cat_qpart = "cat_id IS NULL";
1141 }
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 id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1147 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1148 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1149
1150 } else if ($feed == -2) {
1151
1152 db_query("UPDATE ttrss_user_entries
1153 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1154 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1155 AND unread = true AND owner_uid = $owner_uid");
1156 }
1157
1158 } else if ($feed > 0) {
1159
1160 db_query("UPDATE ttrss_user_entries
1161 SET unread = false, last_read = NOW() WHERE ref_id IN
1162 (SELECT id FROM
1163 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1164 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1165
1166 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1167
1168 if ($feed == -1) {
1169 db_query("UPDATE ttrss_user_entries
1170 SET unread = false, last_read = NOW() WHERE ref_id IN
1171 (SELECT id FROM
1172 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1173 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1174 }
1175
1176 if ($feed == -2) {
1177 db_query("UPDATE ttrss_user_entries
1178 SET unread = false, last_read = NOW() WHERE ref_id IN
1179 (SELECT id FROM
1180 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1181 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1182 }
1183
1184 if ($feed == -3) {
1185
1186 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1187
1188 if (DB_TYPE == "pgsql") {
1189 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1190 } else {
1191 $match_part = "date_entered > DATE_SUB(NOW(),
1192 INTERVAL $intl HOUR) ";
1193 }
1194
1195 db_query("UPDATE ttrss_user_entries
1196 SET unread = false, last_read = NOW() WHERE ref_id IN
1197 (SELECT id FROM
1198 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1199 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1200 }
1201
1202 if ($feed == -4) {
1203 db_query("UPDATE ttrss_user_entries
1204 SET unread = false, last_read = NOW() WHERE ref_id IN
1205 (SELECT id FROM
1206 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1207 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1208 }
1209
1210 } else if ($feed < LABEL_BASE_INDEX) { // label
1211
1212 $label_id = feed_to_label_id($feed);
1213
1214 db_query("UPDATE ttrss_user_entries
1215 SET unread = false, last_read = NOW() WHERE ref_id IN
1216 (SELECT id FROM
1217 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1218 AND label_id = '$label_id' AND ref_id = article_id
1219 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1220
1221 }
1222
1223 ccache_update($feed, $owner_uid, $cat_view);
1224
1225 } else { // tag
1226 db_query("UPDATE ttrss_user_entries
1227 SET unread = false, last_read = NOW() WHERE ref_id IN
1228 (SELECT id FROM
1229 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1230 AND post_int_id = int_id AND tag_name = '$feed'
1231 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1232
1233 }
1234 }
1235
1236 function getAllCounters() {
1237 $data = getGlobalCounters();
1238
1239 $data = array_merge($data, getVirtCounters());
1240 $data = array_merge($data, getLabelCounters());
1241 $data = array_merge($data, getFeedCounters());
1242 $data = array_merge($data, getCategoryCounters());
1243
1244 return $data;
1245 }
1246
1247 function getCategoryTitle($cat_id) {
1248
1249 if ($cat_id == -1) {
1250 return __("Special");
1251 } else if ($cat_id == -2) {
1252 return __("Labels");
1253 } else {
1254
1255 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1256 id = '$cat_id'");
1257
1258 if (db_num_rows($result) == 1) {
1259 return db_fetch_result($result, 0, "title");
1260 } else {
1261 return __("Uncategorized");
1262 }
1263 }
1264 }
1265
1266
1267 function getCategoryCounters() {
1268 $ret_arr = array();
1269
1270 /* Labels category */
1271
1272 $cv = array("id" => -2, "kind" => "cat",
1273 "counter" => getCategoryUnread(-2));
1274
1275 array_push($ret_arr, $cv);
1276
1277 $result = db_query("SELECT id AS cat_id, value AS unread,
1278 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1279 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1280 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1281 WHERE ttrss_cat_counters_cache.feed_id = id AND
1282 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1283 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1284
1285 while ($line = db_fetch_assoc($result)) {
1286 $line["cat_id"] = (int) $line["cat_id"];
1287
1288 if ($line["num_children"] > 0) {
1289 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1290 } else {
1291 $child_counter = 0;
1292 }
1293
1294 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1295 "counter" => $line["unread"] + $child_counter);
1296
1297 array_push($ret_arr, $cv);
1298 }
1299
1300 /* Special case: NULL category doesn't actually exist in the DB */
1301
1302 $cv = array("id" => 0, "kind" => "cat",
1303 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1304
1305 array_push($ret_arr, $cv);
1306
1307 return $ret_arr;
1308 }
1309
1310 // only accepts real cats (>= 0)
1311 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1312 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1313
1314 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1315 AND owner_uid = $owner_uid");
1316
1317 $unread = 0;
1318
1319 while ($line = db_fetch_assoc($result)) {
1320 $unread += getCategoryUnread($line["id"], $owner_uid);
1321 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1322 }
1323
1324 return $unread;
1325 }
1326
1327 function getCategoryUnread($cat, $owner_uid = false) {
1328
1329 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1330
1331 if ($cat >= 0) {
1332
1333 if ($cat != 0) {
1334 $cat_query = "cat_id = '$cat'";
1335 } else {
1336 $cat_query = "cat_id IS NULL";
1337 }
1338
1339 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1340 AND owner_uid = " . $owner_uid);
1341
1342 $cat_feeds = array();
1343 while ($line = db_fetch_assoc($result)) {
1344 array_push($cat_feeds, "feed_id = " . $line["id"]);
1345 }
1346
1347 if (count($cat_feeds) == 0) return 0;
1348
1349 $match_part = implode(" OR ", $cat_feeds);
1350
1351 $result = db_query("SELECT COUNT(int_id) AS unread
1352 FROM ttrss_user_entries
1353 WHERE unread = true AND ($match_part)
1354 AND owner_uid = " . $owner_uid);
1355
1356 $unread = 0;
1357
1358 # this needs to be rewritten
1359 while ($line = db_fetch_assoc($result)) {
1360 $unread += $line["unread"];
1361 }
1362
1363 return $unread;
1364 } else if ($cat == -1) {
1365 return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1366 } else if ($cat == -2) {
1367
1368 $result = db_query("
1369 SELECT COUNT(unread) AS unread FROM
1370 ttrss_user_entries, ttrss_user_labels2
1371 WHERE article_id = ref_id AND unread = true
1372 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1373
1374 $unread = db_fetch_result($result, 0, "unread");
1375
1376 return $unread;
1377
1378 }
1379 }
1380
1381 function getFeedUnread($feed, $is_cat = false) {
1382 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1383 }
1384
1385 function getLabelUnread($label_id, $owner_uid = false) {
1386 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1387
1388 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1389 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1390
1391 if (db_num_rows($result) != 0) {
1392 return db_fetch_result($result, 0, "unread");
1393 } else {
1394 return 0;
1395 }
1396 }
1397
1398 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1399 $owner_uid = false) {
1400
1401 $n_feed = (int) $feed;
1402 $need_entries = false;
1403
1404 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1405
1406 if ($unread_only) {
1407 $unread_qpart = "unread = true";
1408 } else {
1409 $unread_qpart = "true";
1410 }
1411
1412 if ($is_cat) {
1413 return getCategoryUnread($n_feed, $owner_uid);
1414 } else if ($n_feed == -6) {
1415 return 0;
1416 } else if ($feed != "0" && $n_feed == 0) {
1417
1418 $feed = db_escape_string($feed);
1419
1420 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1421 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1422 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1423 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1424 return db_fetch_result($result, 0, "count");
1425
1426 } else if ($n_feed == -1) {
1427 $match_part = "marked = true";
1428 } else if ($n_feed == -2) {
1429 $match_part = "published = true";
1430 } else if ($n_feed == -3) {
1431 $match_part = "unread = true AND score >= 0";
1432
1433 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1434
1435 if (DB_TYPE == "pgsql") {
1436 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1437 } else {
1438 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1439 }
1440
1441 $need_entries = true;
1442
1443 } else if ($n_feed == -4) {
1444 $match_part = "true";
1445 } else if ($n_feed >= 0) {
1446
1447 if ($n_feed != 0) {
1448 $match_part = "feed_id = '$n_feed'";
1449 } else {
1450 $match_part = "feed_id IS NULL";
1451 }
1452
1453 } else if ($feed < LABEL_BASE_INDEX) {
1454
1455 $label_id = feed_to_label_id($feed);
1456
1457 return getLabelUnread($label_id, $owner_uid);
1458
1459 }
1460
1461 if ($match_part) {
1462
1463 if ($need_entries) {
1464 $from_qpart = "ttrss_user_entries,ttrss_entries";
1465 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1466 } else {
1467 $from_qpart = "ttrss_user_entries";
1468 $from_where = "";
1469 }
1470
1471 $query = "SELECT count(int_id) AS unread
1472 FROM $from_qpart WHERE
1473 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1474
1475 //echo "[$feed/$query]\n";
1476
1477 $result = db_query($query);
1478
1479 } else {
1480
1481 $result = db_query("SELECT COUNT(post_int_id) AS unread
1482 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1483 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1484 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1485 }
1486
1487 $unread = db_fetch_result($result, 0, "unread");
1488
1489 return $unread;
1490 }
1491
1492 function getGlobalUnread($user_id = false) {
1493
1494 if (!$user_id) {
1495 $user_id = $_SESSION["uid"];
1496 }
1497
1498 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1499 WHERE owner_uid = '$user_id' AND feed_id > 0");
1500
1501 $c_id = db_fetch_result($result, 0, "c_id");
1502
1503 return $c_id;
1504 }
1505
1506 function getGlobalCounters($global_unread = -1) {
1507 $ret_arr = array();
1508
1509 if ($global_unread == -1) {
1510 $global_unread = getGlobalUnread();
1511 }
1512
1513 $cv = array("id" => "global-unread",
1514 "counter" => (int) $global_unread);
1515
1516 array_push($ret_arr, $cv);
1517
1518 $result = db_query("SELECT COUNT(id) AS fn FROM
1519 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1520
1521 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1522
1523 $cv = array("id" => "subscribed-feeds",
1524 "counter" => (int) $subscribed_feeds);
1525
1526 array_push($ret_arr, $cv);
1527
1528 return $ret_arr;
1529 }
1530
1531 function getVirtCounters() {
1532
1533 $ret_arr = array();
1534
1535 for ($i = 0; $i >= -4; $i--) {
1536
1537 $count = getFeedUnread($i);
1538
1539 if ($i == 0 || $i == -1 || $i == -2)
1540 $auxctr = getFeedArticles($i, false);
1541 else
1542 $auxctr = 0;
1543
1544 $cv = array("id" => $i,
1545 "counter" => (int) $count,
1546 "auxcounter" => $auxctr);
1547
1548 // if (get_pref('EXTENDED_FEEDLIST'))
1549 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1550
1551 array_push($ret_arr, $cv);
1552 }
1553
1554 $feeds = PluginHost::getInstance()->get_feeds(-1);
1555
1556 if (is_array($feeds)) {
1557 foreach ($feeds as $feed) {
1558 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1559 "counter" => $feed['sender']->get_unread($feed['id']));
1560
1561 if (method_exists($feed['sender'], 'get_total'))
1562 $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1563
1564 array_push($ret_arr, $cv);
1565 }
1566 }
1567
1568 return $ret_arr;
1569 }
1570
1571 function getLabelCounters($descriptions = false) {
1572
1573 $ret_arr = array();
1574
1575 $owner_uid = $_SESSION["uid"];
1576
1577 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1578 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1579 (ttrss_labels2.id = label_id)
1580 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1581 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1582 ttrss_labels2.caption");
1583
1584 while ($line = db_fetch_assoc($result)) {
1585
1586 $id = label_to_feed_id($line["id"]);
1587
1588 $cv = array("id" => $id,
1589 "counter" => (int) $line["unread"],
1590 "auxcounter" => (int) $line["total"]);
1591
1592 if ($descriptions)
1593 $cv["description"] = $line["caption"];
1594
1595 array_push($ret_arr, $cv);
1596 }
1597
1598 return $ret_arr;
1599 }
1600
1601 function getFeedCounters($active_feed = false) {
1602
1603 $ret_arr = array();
1604
1605 $query = "SELECT ttrss_feeds.id,
1606 ttrss_feeds.title,
1607 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1608 last_error, value AS count
1609 FROM ttrss_feeds, ttrss_counters_cache
1610 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1611 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1612 AND ttrss_counters_cache.feed_id = id";
1613
1614 $result = db_query($query);
1615 $fctrs_modified = false;
1616
1617 while ($line = db_fetch_assoc($result)) {
1618
1619 $id = $line["id"];
1620 $count = $line["count"];
1621 $last_error = htmlspecialchars($line["last_error"]);
1622
1623 $last_updated = make_local_datetime($line['last_updated'], false);
1624
1625 $has_img = feed_has_icon($id);
1626
1627 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1628 $last_updated = '';
1629
1630 $cv = array("id" => $id,
1631 "updated" => $last_updated,
1632 "counter" => (int) $count,
1633 "has_img" => (int) $has_img);
1634
1635 if ($last_error)
1636 $cv["error"] = $last_error;
1637
1638 // if (get_pref('EXTENDED_FEEDLIST'))
1639 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1640
1641 if ($active_feed && $id == $active_feed)
1642 $cv["title"] = truncate_string($line["title"], 30);
1643
1644 array_push($ret_arr, $cv);
1645
1646 }
1647
1648 return $ret_arr;
1649 }
1650
1651 function get_pgsql_version() {
1652 $result = db_query("SELECT version() AS version");
1653 $version = explode(" ", db_fetch_result($result, 0, "version"));
1654 return $version[1];
1655 }
1656
1657 /**
1658 * @return array (code => Status code, message => error message if available)
1659 *
1660 * 0 - OK, Feed already exists
1661 * 1 - OK, Feed added
1662 * 2 - Invalid URL
1663 * 3 - URL content is HTML, no feeds available
1664 * 4 - URL content is HTML which contains multiple feeds.
1665 * Here you should call extractfeedurls in rpc-backend
1666 * to get all possible feeds.
1667 * 5 - Couldn't download the URL content.
1668 * 6 - Content is an invalid XML.
1669 */
1670 function subscribe_to_feed($url, $cat_id = 0,
1671 $auth_login = '', $auth_pass = '') {
1672
1673 global $fetch_last_error;
1674
1675 require_once "include/rssfuncs.php";
1676
1677 $url = fix_url($url);
1678
1679 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1680
1681 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1682
1683 if (!$contents) {
1684 return array("code" => 5, "message" => $fetch_last_error);
1685 }
1686
1687 if (is_html($contents)) {
1688 $feedUrls = get_feeds_from_html($url, $contents);
1689
1690 if (count($feedUrls) == 0) {
1691 return array("code" => 3);
1692 } else if (count($feedUrls) > 1) {
1693 return array("code" => 4, "feeds" => $feedUrls);
1694 }
1695 //use feed url as new URL
1696 $url = key($feedUrls);
1697 }
1698
1699 /* libxml_use_internal_errors(true);
1700 $doc = new DOMDocument();
1701 $doc->loadXML($contents);
1702 $error = libxml_get_last_error();
1703 libxml_clear_errors();
1704
1705 if ($error) {
1706 $error_message = format_libxml_error($error);
1707
1708 return array("code" => 6, "message" => $error_message);
1709 } */
1710
1711 if ($cat_id == "0" || !$cat_id) {
1712 $cat_qpart = "NULL";
1713 } else {
1714 $cat_qpart = "'$cat_id'";
1715 }
1716
1717 $result = db_query(
1718 "SELECT id FROM ttrss_feeds
1719 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1720
1721 if (strlen(FEED_CRYPT_KEY) > 0) {
1722 require_once "crypt.php";
1723 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1724 $auth_pass_encrypted = 'true';
1725 } else {
1726 $auth_pass_encrypted = 'false';
1727 }
1728
1729 $auth_pass = db_escape_string($auth_pass);
1730
1731 if (db_num_rows($result) == 0) {
1732 $result = db_query(
1733 "INSERT INTO ttrss_feeds
1734 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1735 VALUES ('".$_SESSION["uid"]."', '$url',
1736 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1737
1738 $result = db_query(
1739 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1740 AND owner_uid = " . $_SESSION["uid"]);
1741
1742 $feed_id = db_fetch_result($result, 0, "id");
1743
1744 if ($feed_id) {
1745 update_rss_feed($feed_id, true);
1746 }
1747
1748 return array("code" => 1);
1749 } else {
1750 return array("code" => 0);
1751 }
1752 }
1753
1754 function print_feed_select($id, $default_id = "",
1755 $attributes = "", $include_all_feeds = true,
1756 $root_id = false, $nest_level = 0) {
1757
1758 if (!$root_id) {
1759 print "<select id=\"$id\" name=\"$id\" $attributes>";
1760 if ($include_all_feeds) {
1761 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1762 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1763 }
1764 }
1765
1766 if (get_pref('ENABLE_FEED_CATS')) {
1767
1768 if ($root_id)
1769 $parent_qpart = "parent_cat = '$root_id'";
1770 else
1771 $parent_qpart = "parent_cat IS NULL";
1772
1773 $result = db_query("SELECT id,title,
1774 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1775 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1776 FROM ttrss_feed_categories
1777 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1778
1779 while ($line = db_fetch_assoc($result)) {
1780
1781 for ($i = 0; $i < $nest_level; $i++)
1782 $line["title"] = " - " . $line["title"];
1783
1784 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1785
1786 printf("<option $is_selected value='CAT:%d'>%s</option>",
1787 $line["id"], htmlspecialchars($line["title"]));
1788
1789 if ($line["num_children"] > 0)
1790 print_feed_select($id, $default_id, $attributes,
1791 $include_all_feeds, $line["id"], $nest_level+1);
1792
1793 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1794 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1795
1796 while ($fline = db_fetch_assoc($feed_result)) {
1797 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1798
1799 $fline["title"] = " + " . $fline["title"];
1800
1801 for ($i = 0; $i < $nest_level; $i++)
1802 $fline["title"] = " - " . $fline["title"];
1803
1804 printf("<option $is_selected value='%d'>%s</option>",
1805 $fline["id"], htmlspecialchars($fline["title"]));
1806 }
1807 }
1808
1809 if (!$root_id) {
1810 $default_is_cat = ($default_id == "CAT:0");
1811 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1812
1813 printf("<option $is_selected value='CAT:0'>%s</option>",
1814 __("Uncategorized"));
1815
1816 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1817 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1818
1819 while ($fline = db_fetch_assoc($feed_result)) {
1820 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1821
1822 $fline["title"] = " + " . $fline["title"];
1823
1824 for ($i = 0; $i < $nest_level; $i++)
1825 $fline["title"] = " - " . $fline["title"];
1826
1827 printf("<option $is_selected value='%d'>%s</option>",
1828 $fline["id"], htmlspecialchars($fline["title"]));
1829 }
1830 }
1831
1832 } else {
1833 $result = db_query("SELECT id,title FROM ttrss_feeds
1834 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1835
1836 while ($line = db_fetch_assoc($result)) {
1837
1838 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1839
1840 printf("<option $is_selected value='%d'>%s</option>",
1841 $line["id"], htmlspecialchars($line["title"]));
1842 }
1843 }
1844
1845 if (!$root_id) {
1846 print "</select>";
1847 }
1848 }
1849
1850 function print_feed_cat_select($id, $default_id,
1851 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1852
1853 if (!$root_id) {
1854 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1855 }
1856
1857 if ($root_id)
1858 $parent_qpart = "parent_cat = '$root_id'";
1859 else
1860 $parent_qpart = "parent_cat IS NULL";
1861
1862 $result = db_query("SELECT id,title,
1863 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1864 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1865 FROM ttrss_feed_categories
1866 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1867
1868 while ($line = db_fetch_assoc($result)) {
1869 if ($line["id"] == $default_id) {
1870 $is_selected = "selected=\"1\"";
1871 } else {
1872 $is_selected = "";
1873 }
1874
1875 for ($i = 0; $i < $nest_level; $i++)
1876 $line["title"] = " - " . $line["title"];
1877
1878 if ($line["title"])
1879 printf("<option $is_selected value='%d'>%s</option>",
1880 $line["id"], htmlspecialchars($line["title"]));
1881
1882 if ($line["num_children"] > 0)
1883 print_feed_cat_select($id, $default_id, $attributes,
1884 $include_all_cats, $line["id"], $nest_level+1);
1885 }
1886
1887 if (!$root_id) {
1888 if ($include_all_cats) {
1889 if (db_num_rows($result) > 0) {
1890 print "<option disabled=\"1\">--------</option>";
1891 }
1892
1893 if ($default_id == 0) {
1894 $is_selected = "selected=\"1\"";
1895 } else {
1896 $is_selected = "";
1897 }
1898
1899 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1900 }
1901 print "</select>";
1902 }
1903 }
1904
1905 function checkbox_to_sql_bool($val) {
1906 return ($val == "on") ? "true" : "false";
1907 }
1908
1909 function getFeedCatTitle($id) {
1910 if ($id == -1) {
1911 return __("Special");
1912 } else if ($id < LABEL_BASE_INDEX) {
1913 return __("Labels");
1914 } else if ($id > 0) {
1915 $result = db_query("SELECT ttrss_feed_categories.title
1916 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1917 cat_id = ttrss_feed_categories.id");
1918 if (db_num_rows($result) == 1) {
1919 return db_fetch_result($result, 0, "title");
1920 } else {
1921 return __("Uncategorized");
1922 }
1923 } else {
1924 return "getFeedCatTitle($id) failed";
1925 }
1926
1927 }
1928
1929 function getFeedIcon($id) {
1930 switch ($id) {
1931 case 0:
1932 return "images/archive.png";
1933 break;
1934 case -1:
1935 return "images/star.png";
1936 break;
1937 case -2:
1938 return "images/feed.png";
1939 break;
1940 case -3:
1941 return "images/fresh.png";
1942 break;
1943 case -4:
1944 return "images/folder.png";
1945 break;
1946 case -6:
1947 return "images/time.png";
1948 break;
1949 default:
1950 if ($id < LABEL_BASE_INDEX) {
1951 return "images/label.png";
1952 } else {
1953 if (file_exists(ICONS_DIR . "/$id.ico"))
1954 return ICONS_URL . "/$id.ico";
1955 }
1956 break;
1957 }
1958
1959 return false;
1960 }
1961
1962 function getFeedTitle($id, $cat = false) {
1963 if ($cat) {
1964 return getCategoryTitle($id);
1965 } else if ($id == -1) {
1966 return __("Starred articles");
1967 } else if ($id == -2) {
1968 return __("Published articles");
1969 } else if ($id == -3) {
1970 return __("Fresh articles");
1971 } else if ($id == -4) {
1972 return __("All articles");
1973 } else if ($id === 0 || $id === "0") {
1974 return __("Archived articles");
1975 } else if ($id == -6) {
1976 return __("Recently read");
1977 } else if ($id < LABEL_BASE_INDEX) {
1978 $label_id = feed_to_label_id($id);
1979 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1980 if (db_num_rows($result) == 1) {
1981 return db_fetch_result($result, 0, "caption");
1982 } else {
1983 return "Unknown label ($label_id)";
1984 }
1985
1986 } else if (is_numeric($id) && $id > 0) {
1987 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1988 if (db_num_rows($result) == 1) {
1989 return db_fetch_result($result, 0, "title");
1990 } else {
1991 return "Unknown feed ($id)";
1992 }
1993 } else {
1994 return $id;
1995 }
1996 }
1997
1998 function make_init_params() {
1999 $params = array();
2000
2001 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
2002 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
2003 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
2004 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
2005
2006 $params[strtolower($param)] = (int) get_pref($param);
2007 }
2008
2009 $params["icons_url"] = ICONS_URL;
2010 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
2011 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
2012 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
2013 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
2014 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2015 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
2016
2017 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2018 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2019
2020 $max_feed_id = db_fetch_result($result, 0, "mid");
2021 $num_feeds = db_fetch_result($result, 0, "nf");
2022
2023 $params["max_feed_id"] = (int) $max_feed_id;
2024 $params["num_feeds"] = (int) $num_feeds;
2025
2026 $params["hotkeys"] = get_hotkeys_map();
2027
2028 $params["csrf_token"] = $_SESSION["csrf_token"];
2029 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
2030
2031 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
2032
2033 return $params;
2034 }
2035
2036 function get_hotkeys_info() {
2037 $hotkeys = array(
2038 __("Navigation") => array(
2039 "next_feed" => __("Open next feed"),
2040 "prev_feed" => __("Open previous feed"),
2041 "next_article" => __("Open next article"),
2042 "prev_article" => __("Open previous article"),
2043 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
2044 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
2045 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
2046 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
2047 "search_dialog" => __("Show search dialog")),
2048 __("Article") => array(
2049 "toggle_mark" => __("Toggle starred"),
2050 "toggle_publ" => __("Toggle published"),
2051 "toggle_unread" => __("Toggle unread"),
2052 "edit_tags" => __("Edit tags"),
2053 "dismiss_selected" => __("Dismiss selected"),
2054 "dismiss_read" => __("Dismiss read"),
2055 "open_in_new_window" => __("Open in new window"),
2056 "catchup_below" => __("Mark below as read"),
2057 "catchup_above" => __("Mark above as read"),
2058 "article_scroll_down" => __("Scroll down"),
2059 "article_scroll_up" => __("Scroll up"),
2060 "select_article_cursor" => __("Select article under cursor"),
2061 "email_article" => __("Email article"),
2062 "close_article" => __("Close/collapse article"),
2063 "toggle_expand" => __("Toggle article expansion (combined mode)"),
2064 "toggle_widescreen" => __("Toggle widescreen mode"),
2065 "toggle_embed_original" => __("Toggle embed original")),
2066 __("Article selection") => array(
2067 "select_all" => __("Select all articles"),
2068 "select_unread" => __("Select unread"),
2069 "select_marked" => __("Select starred"),
2070 "select_published" => __("Select published"),
2071 "select_invert" => __("Invert selection"),
2072 "select_none" => __("Deselect everything")),
2073 __("Feed") => array(
2074 "feed_refresh" => __("Refresh current feed"),
2075 "feed_unhide_read" => __("Un/hide read feeds"),
2076 "feed_subscribe" => __("Subscribe to feed"),
2077 "feed_edit" => __("Edit feed"),
2078 "feed_catchup" => __("Mark as read"),
2079 "feed_reverse" => __("Reverse headlines"),
2080 "feed_debug_update" => __("Debug feed update"),
2081 "catchup_all" => __("Mark all feeds as read"),
2082 "cat_toggle_collapse" => __("Un/collapse current category"),
2083 "toggle_combined_mode" => __("Toggle combined mode"),
2084 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
2085 __("Go to") => array(
2086 "goto_all" => __("All articles"),
2087 "goto_fresh" => __("Fresh"),
2088 "goto_marked" => __("Starred"),
2089 "goto_published" => __("Published"),
2090 "goto_tagcloud" => __("Tag cloud"),
2091 "goto_prefs" => __("Preferences")),
2092 __("Other") => array(
2093 "create_label" => __("Create label"),
2094 "create_filter" => __("Create filter"),
2095 "collapse_sidebar" => __("Un/collapse sidebar"),
2096 "help_dialog" => __("Show help dialog"))
2097 );
2098
2099 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2100 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2101 }
2102
2103 return $hotkeys;
2104 }
2105
2106 function get_hotkeys_map() {
2107 $hotkeys = array(
2108 // "navigation" => array(
2109 "k" => "next_feed",
2110 "j" => "prev_feed",
2111 "n" => "next_article",
2112 "p" => "prev_article",
2113 "(38)|up" => "prev_article",
2114 "(40)|down" => "next_article",
2115 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2116 // "^(40)|Ctrl-down" => "next_article_noscroll",
2117 "(191)|/" => "search_dialog",
2118 // "article" => array(
2119 "s" => "toggle_mark",
2120 "*s" => "toggle_publ",
2121 "u" => "toggle_unread",
2122 "*t" => "edit_tags",
2123 "*d" => "dismiss_selected",
2124 "*x" => "dismiss_read",
2125 "o" => "open_in_new_window",
2126 "c p" => "catchup_below",
2127 "c n" => "catchup_above",
2128 "*n" => "article_scroll_down",
2129 "*p" => "article_scroll_up",
2130 "*(38)|Shift+up" => "article_scroll_up",
2131 "*(40)|Shift+down" => "article_scroll_down",
2132 "a *w" => "toggle_widescreen",
2133 "a e" => "toggle_embed_original",
2134 "e" => "email_article",
2135 "a q" => "close_article",
2136 // "article_selection" => array(
2137 "a a" => "select_all",
2138 "a u" => "select_unread",
2139 "a *u" => "select_marked",
2140 "a p" => "select_published",
2141 "a i" => "select_invert",
2142 "a n" => "select_none",
2143 // "feed" => array(
2144 "f r" => "feed_refresh",
2145 "f a" => "feed_unhide_read",
2146 "f s" => "feed_subscribe",
2147 "f e" => "feed_edit",
2148 "f q" => "feed_catchup",
2149 "f x" => "feed_reverse",
2150 "f *d" => "feed_debug_update",
2151 "f *c" => "toggle_combined_mode",
2152 "f c" => "toggle_cdm_expanded",
2153 "*q" => "catchup_all",
2154 "x" => "cat_toggle_collapse",
2155 // "goto" => array(
2156 "g a" => "goto_all",
2157 "g f" => "goto_fresh",
2158 "g s" => "goto_marked",
2159 "g p" => "goto_published",
2160 "g t" => "goto_tagcloud",
2161 "g *p" => "goto_prefs",
2162 // "other" => array(
2163 "(9)|Tab" => "select_article_cursor", // tab
2164 "c l" => "create_label",
2165 "c f" => "create_filter",
2166 "c s" => "collapse_sidebar",
2167 "^(191)|Ctrl+/" => "help_dialog",
2168 );
2169
2170 if (get_pref('COMBINED_DISPLAY_MODE')) {
2171 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2172 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2173 }
2174
2175 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2176 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2177 }
2178
2179 $prefixes = array();
2180
2181 foreach (array_keys($hotkeys) as $hotkey) {
2182 $pair = explode(" ", $hotkey, 2);
2183
2184 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2185 array_push($prefixes, $pair[0]);
2186 }
2187 }
2188
2189 return array($prefixes, $hotkeys);
2190 }
2191
2192 function make_runtime_info() {
2193 $data = array();
2194
2195 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2196 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2197
2198 $max_feed_id = db_fetch_result($result, 0, "mid");
2199 $num_feeds = db_fetch_result($result, 0, "nf");
2200
2201 $data["max_feed_id"] = (int) $max_feed_id;
2202 $data["num_feeds"] = (int) $num_feeds;
2203
2204 $data['last_article_id'] = getLastArticleId();
2205 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2206
2207 $data['dep_ts'] = calculate_dep_timestamp();
2208 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2209
2210 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2211
2212 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2213
2214 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2215
2216 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2217
2218 if ($stamp) {
2219 $stamp_delta = time() - $stamp;
2220
2221 if ($stamp_delta > 1800) {
2222 $stamp_check = 0;
2223 } else {
2224 $stamp_check = 1;
2225 $_SESSION["daemon_stamp_check"] = time();
2226 }
2227
2228 $data['daemon_stamp_ok'] = $stamp_check;
2229
2230 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2231
2232 $data['daemon_stamp'] = $stamp_fmt;
2233 }
2234 }
2235 }
2236
2237 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2238 $new_version_details = @check_for_update();
2239
2240 $data['new_version_available'] = (int) ($new_version_details != false);
2241
2242 $_SESSION["last_version_check"] = time();
2243 $_SESSION["version_data"] = $new_version_details;
2244 }
2245
2246 return $data;
2247 }
2248
2249 function search_to_sql($search) {
2250
2251 $search_query_part = "";
2252
2253 $keywords = str_getcsv($search, " ");
2254 $query_keywords = array();
2255 $search_words = array();
2256
2257 foreach ($keywords as $k) {
2258 if (strpos($k, "-") === 0) {
2259 $k = substr($k, 1);
2260 $not = "NOT";
2261 } else {
2262 $not = "";
2263 }
2264
2265 $commandpair = explode(":", mb_strtolower($k), 2);
2266
2267 switch ($commandpair[0]) {
2268 case "title":
2269 if ($commandpair[1]) {
2270 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2271 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2272 } else {
2273 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2274 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2275 array_push($search_words, $k);
2276 }
2277 break;
2278 case "author":
2279 if ($commandpair[1]) {
2280 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2281 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2282 } else {
2283 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2284 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2285 array_push($search_words, $k);
2286 }
2287 break;
2288 case "note":
2289 if ($commandpair[1]) {
2290 if ($commandpair[1] == "true")
2291 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2292 else if ($commandpair[1] == "false")
2293 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2294 else
2295 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2296 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2297 } else {
2298 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2299 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2300 if (!$not) array_push($search_words, $k);
2301 }
2302 break;
2303 case "star":
2304
2305 if ($commandpair[1]) {
2306 if ($commandpair[1] == "true")
2307 array_push($query_keywords, "($not (marked = true))");
2308 else
2309 array_push($query_keywords, "($not (marked = false))");
2310 } else {
2311 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2312 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2313 if (!$not) array_push($search_words, $k);
2314 }
2315 break;
2316 case "pub":
2317 if ($commandpair[1]) {
2318 if ($commandpair[1] == "true")
2319 array_push($query_keywords, "($not (published = true))");
2320 else
2321 array_push($query_keywords, "($not (published = false))");
2322
2323 } else {
2324 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2325 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2326 if (!$not) array_push($search_words, $k);
2327 }
2328 break;
2329 default:
2330 if (strpos($k, "@") === 0) {
2331
2332 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2333 $orig_ts = strtotime(substr($k, 1));
2334 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2335
2336 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2337
2338 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2339 } else {
2340 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2341 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2342
2343 if (!$not) array_push($search_words, $k);
2344 }
2345 }
2346 }
2347
2348 $search_query_part = implode("AND", $query_keywords);
2349
2350 return array($search_query_part, $search_words);
2351 }
2352
2353 function getParentCategories($cat, $owner_uid) {
2354 $rv = array();
2355
2356 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2357 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2358
2359 while ($line = db_fetch_assoc($result)) {
2360 array_push($rv, $line["parent_cat"]);
2361 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2362 }
2363
2364 return $rv;
2365 }
2366
2367 function getChildCategories($cat, $owner_uid) {
2368 $rv = array();
2369
2370 $result = db_query("SELECT id FROM ttrss_feed_categories
2371 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2372
2373 while ($line = db_fetch_assoc($result)) {
2374 array_push($rv, $line["id"]);
2375 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2376 }
2377
2378 return $rv;
2379 }
2380
2381 function queryFeedHeadlines($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, $override_strategy = false, $override_vfeed = false) {
2382
2383 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2384
2385 $ext_tables_part = "";
2386 $search_words = array();
2387
2388 if ($search) {
2389
2390 if (SPHINX_ENABLED) {
2391 $ids = join(",", @sphinx_search($search, 0, 500));
2392
2393 if ($ids)
2394 $search_query_part = "ref_id IN ($ids) AND ";
2395 else
2396 $search_query_part = "ref_id = -1 AND ";
2397
2398 } else {
2399 list($search_query_part, $search_words) = search_to_sql($search);
2400 $search_query_part .= " AND ";
2401 }
2402
2403 } else {
2404 $search_query_part = "";
2405 }
2406
2407 if ($filter) {
2408
2409 if (DB_TYPE == "pgsql") {
2410 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2411 } else {
2412 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2413 }
2414
2415 $override_order = "updated DESC";
2416
2417 $filter_query_part = filter_to_sql($filter, $owner_uid);
2418
2419 // Try to check if SQL regexp implementation chokes on a valid regexp
2420
2421
2422 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2423 ttrss_user_entries, ttrss_feeds
2424 WHERE $filter_query_part LIMIT 1", false);
2425
2426 if ($result) {
2427 $test = db_fetch_result($result, 0, "true_val");
2428
2429 if (!$test) {
2430 $filter_query_part = "false AND";
2431 } else {
2432 $filter_query_part .= " AND";
2433 }
2434 } else {
2435 $filter_query_part = "false AND";
2436 }
2437
2438 } else {
2439 $filter_query_part = "";
2440 }
2441
2442 if ($since_id) {
2443 $since_id_part = "ttrss_entries.id > $since_id AND ";
2444 } else {
2445 $since_id_part = "";
2446 }
2447
2448 $view_query_part = "";
2449
2450 if ($view_mode == "adaptive") {
2451 if ($search) {
2452 $view_query_part = " ";
2453 } else if ($feed != -1) {
2454
2455 $unread = getFeedUnread($feed, $cat_view);
2456
2457 if ($cat_view && $feed > 0 && $include_children)
2458 $unread += getCategoryChildrenUnread($feed);
2459
2460 if ($unread > 0)
2461 $view_query_part = " unread = true AND ";
2462
2463 }
2464 }
2465
2466 if ($view_mode == "marked") {
2467 $view_query_part = " marked = true AND ";
2468 }
2469
2470 if ($view_mode == "has_note") {
2471 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2472 }
2473
2474 if ($view_mode == "published") {
2475 $view_query_part = " published = true AND ";
2476 }
2477
2478 if ($view_mode == "unread" && $feed != -6) {
2479 $view_query_part = " unread = true AND ";
2480 }
2481
2482 if ($limit > 0) {
2483 $limit_query_part = "LIMIT " . $limit;
2484 }
2485
2486 $allow_archived = false;
2487
2488 $vfeed_query_part = "";
2489
2490 // override query strategy and enable feed display when searching globally
2491 if ($search && $search_mode == "all_feeds") {
2492 $query_strategy_part = "true";
2493 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2494 /* tags */
2495 } else if (!is_numeric($feed)) {
2496 $query_strategy_part = "true";
2497 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2498 id = feed_id) as feed_title,";
2499 } else if ($search && $search_mode == "this_cat") {
2500 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2501
2502 if ($feed > 0) {
2503 if ($include_children) {
2504 $subcats = getChildCategories($feed, $owner_uid);
2505 array_push($subcats, $feed);
2506 $cats_qpart = join(",", $subcats);
2507 } else {
2508 $cats_qpart = $feed;
2509 }
2510
2511 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2512
2513 } else {
2514 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2515 }
2516
2517 } else if ($feed > 0) {
2518
2519 if ($cat_view) {
2520
2521 if ($feed > 0) {
2522 if ($include_children) {
2523 # sub-cats
2524 $subcats = getChildCategories($feed, $owner_uid);
2525
2526 array_push($subcats, $feed);
2527 $query_strategy_part = "cat_id IN (".
2528 implode(",", $subcats).")";
2529
2530 } else {
2531 $query_strategy_part = "cat_id = '$feed'";
2532 }
2533
2534 } else {
2535 $query_strategy_part = "cat_id IS NULL";
2536 }
2537
2538 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2539
2540 } else {
2541 $query_strategy_part = "feed_id = '$feed'";
2542 }
2543 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2544 $query_strategy_part = "feed_id IS NULL";
2545 $allow_archived = true;
2546 } else if ($feed == 0 && $cat_view) { // uncategorized
2547 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2548 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2549 } else if ($feed == -1) { // starred virtual feed
2550 $query_strategy_part = "marked = true";
2551 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2552 $allow_archived = true;
2553
2554 if (!$override_order) {
2555 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2556 }
2557
2558 } else if ($feed == -2) { // published virtual feed OR labels category
2559
2560 if (!$cat_view) {
2561 $query_strategy_part = "published = true";
2562 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2563 $allow_archived = true;
2564
2565 if (!$override_order) {
2566 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2567 }
2568
2569 } else {
2570 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2571
2572 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2573
2574 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2575 ttrss_user_labels2.article_id = ref_id";
2576
2577 }
2578 } else if ($feed == -6) { // recently read
2579 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2580 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2581 $allow_archived = true;
2582
2583 if (!$override_order) $override_order = "last_read DESC";
2584
2585 /* } else if ($feed == -7) { // shared
2586 $query_strategy_part = "uuid != ''";
2587 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2588 $allow_archived = true; */
2589 } else if ($feed == -3) { // fresh virtual feed
2590 $query_strategy_part = "unread = true AND score >= 0";
2591
2592 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2593
2594 if (DB_TYPE == "pgsql") {
2595 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2596 } else {
2597 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2598 }
2599
2600 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2601 } else if ($feed == -4) { // all articles virtual feed
2602 $allow_archived = true;
2603 $query_strategy_part = "true";
2604 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2605 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2606 $label_id = feed_to_label_id($feed);
2607
2608 $query_strategy_part = "label_id = '$label_id' AND
2609 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2610 ttrss_user_labels2.article_id = ref_id";
2611
2612 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2613 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2614 $allow_archived = true;
2615
2616 } else {
2617 $query_strategy_part = "true";
2618 }
2619
2620 $order_by = "score DESC, date_entered DESC, updated DESC";
2621
2622 if ($view_mode == "unread_first") {
2623 $order_by = "unread DESC, $order_by";
2624 }
2625
2626 if ($override_order) {
2627 $order_by = $override_order;
2628 }
2629
2630 if ($override_strategy) {
2631 $query_strategy_part = $override_strategy;
2632 }
2633
2634 if ($override_vfeed) {
2635 $vfeed_query_part = $override_vfeed;
2636 }
2637
2638 $feed_title = "";
2639
2640 if ($search) {
2641 $feed_title = T_sprintf("Search results: %s", $search);
2642 } else {
2643 if ($cat_view) {
2644 $feed_title = getCategoryTitle($feed);
2645 } else {
2646 if (is_numeric($feed) && $feed > 0) {
2647 $result = db_query("SELECT title,site_url,last_error,last_updated
2648 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2649
2650 $feed_title = db_fetch_result($result, 0, "title");
2651 $feed_site_url = db_fetch_result($result, 0, "site_url");
2652 $last_error = db_fetch_result($result, 0, "last_error");
2653 $last_updated = db_fetch_result($result, 0, "last_updated");
2654 } else {
2655 $feed_title = getFeedTitle($feed);
2656 }
2657 }
2658 }
2659
2660
2661 $content_query_part = "content, ";
2662
2663
2664 if (is_numeric($feed)) {
2665
2666 if ($feed >= 0) {
2667 $feed_kind = "Feeds";
2668 } else {
2669 $feed_kind = "Labels";
2670 }
2671
2672 if ($limit_query_part) {
2673 $offset_query_part = "OFFSET $offset";
2674 }
2675
2676 // proper override_order applied above
2677 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2678 if (!$override_order) {
2679 $order_by = "ttrss_feeds.title, $order_by";
2680 } else {
2681 $order_by = "ttrss_feeds.title, $override_order";
2682 }
2683 }
2684
2685 if (!$allow_archived) {
2686 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2687 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2688
2689 } else {
2690 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2691 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2692 }
2693
2694 if ($vfeed_query_part)
2695 $vfeed_query_part .= "favicon_avg_color,";
2696
2697 $query = "SELECT DISTINCT
2698 date_entered,
2699 guid,
2700 ttrss_entries.id,ttrss_entries.title,
2701 updated,
2702 label_cache,
2703 tag_cache,
2704 always_display_enclosures,
2705 site_url,
2706 note,
2707 num_comments,
2708 comments,
2709 int_id,
2710 uuid,
2711 lang,
2712 hide_images,
2713 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2714 last_marked, last_published,
2715 $vfeed_query_part
2716 $content_query_part
2717 author,score
2718 FROM
2719 $from_qpart
2720 WHERE
2721 $feed_check_qpart
2722 ttrss_user_entries.ref_id = ttrss_entries.id AND
2723 ttrss_user_entries.owner_uid = '$owner_uid' AND
2724 $search_query_part
2725 $filter_query_part
2726 $view_query_part
2727 $since_id_part
2728 $query_strategy_part ORDER BY $order_by
2729 $limit_query_part $offset_query_part";
2730
2731 if ($_REQUEST["debug"]) print $query;
2732
2733 $result = db_query($query);
2734
2735 } else {
2736 // browsing by tag
2737
2738 $select_qpart = "SELECT DISTINCT " .
2739 "date_entered," .
2740 "guid," .
2741 "note," .
2742 "ttrss_entries.id as id," .
2743 "title," .
2744 "updated," .
2745 "unread," .
2746 "feed_id," .
2747 "orig_feed_id," .
2748 "marked," .
2749 "num_comments, " .
2750 "comments, " .
2751 "tag_cache," .
2752 "label_cache," .
2753 "link," .
2754 "lang," .
2755 "uuid," .
2756 "last_read," .
2757 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2758 "last_marked, last_published, " .
2759 $since_id_part .
2760 $vfeed_query_part .
2761 $content_query_part .
2762 "score ";
2763
2764 $feed_kind = "Tags";
2765 $all_tags = explode(",", $feed);
2766 if ($search_mode == 'any') {
2767 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2768 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2769 $where_qpart = " WHERE " .
2770 "ref_id = ttrss_entries.id AND " .
2771 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2772 "post_int_id = int_id AND $tag_sql AND " .
2773 $view_query_part .
2774 $search_query_part .
2775 $query_strategy_part . " ORDER BY $order_by " .
2776 $limit_query_part;
2777
2778 } else {
2779 $i = 1;
2780 $sub_selects = array();
2781 $sub_ands = array();
2782 foreach ($all_tags as $term) {
2783 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2784 $i++;
2785 }
2786 if ($i > 2) {
2787 $x = 1;
2788 $y = 2;
2789 do {
2790 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2791 $x++;
2792 $y++;
2793 } while ($y < $i);
2794 }
2795 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2796 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2797 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2798 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2799 }
2800 // error_log("TAG SQL: " . $tag_sql);
2801 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2802
2803 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2804 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2805 }
2806
2807 return array($result, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words);
2808
2809 }
2810
2811 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
2812 if (!$owner) $owner = $_SESSION["uid"];
2813
2814 $res = trim($str); if (!$res) return '';
2815
2816 $charset_hack = '<head>
2817 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2818 </head>';
2819
2820 $res = trim($res); if (!$res) return '';
2821
2822 libxml_use_internal_errors(true);
2823
2824 $doc = new DOMDocument();
2825 $doc->loadHTML($charset_hack . $res);
2826 $xpath = new DOMXPath($doc);
2827
2828 $entries = $xpath->query('(//a[@href]|//img[@src])');
2829
2830 foreach ($entries as $entry) {
2831
2832 if ($site_url) {
2833
2834 if ($entry->hasAttribute('href')) {
2835 $entry->setAttribute('href',
2836 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2837
2838 $entry->setAttribute('rel', 'noreferrer');
2839 }
2840
2841 if ($entry->hasAttribute('src')) {
2842 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2843
2844 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2845
2846 if (file_exists($cached_filename)) {
2847 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2848 }
2849
2850 $entry->setAttribute('src', $src);
2851 }
2852
2853 if ($entry->nodeName == 'img') {
2854 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2855 $force_remove_images || $_SESSION["bw_limit"]) {
2856
2857 $p = $doc->createElement('p');
2858
2859 $a = $doc->createElement('a');
2860 $a->setAttribute('href', $entry->getAttribute('src'));
2861
2862 $a->appendChild(new DOMText($entry->getAttribute('src')));
2863 $a->setAttribute('target', '_blank');
2864
2865 $p->appendChild($a);
2866
2867 $entry->parentNode->replaceChild($p, $entry);
2868 }
2869 }
2870 }
2871
2872 if (strtolower($entry->nodeName) == "a") {
2873 $entry->setAttribute("target", "_blank");
2874 }
2875 }
2876
2877 $entries = $xpath->query('//iframe');
2878 foreach ($entries as $entry) {
2879 $entry->setAttribute('sandbox', 'allow-scripts');
2880
2881 }
2882
2883 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2884 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2885 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2886 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2887 'dt', 'em', 'footer', 'figure', 'figcaption',
2888 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2889 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2890 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2891 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2892 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2893 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2894
2895 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2896
2897 $disallowed_attributes = array('id', 'style', 'class');
2898
2899 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2900 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
2901 if (is_array($retval)) {
2902 $doc = $retval[0];
2903 $allowed_elements = $retval[1];
2904 $disallowed_attributes = $retval[2];
2905 } else {
2906 $doc = $retval;
2907 }
2908 }
2909
2910 $doc->removeChild($doc->firstChild); //remove doctype
2911 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2912
2913 if ($highlight_words) {
2914 foreach ($highlight_words as $word) {
2915
2916 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
2917
2918 $elements = $xpath->query("//*/text()");
2919
2920 foreach ($elements as $child) {
2921
2922 $fragment = $doc->createDocumentFragment();
2923 $text = $child->textContent;
2924 $stubs = array();
2925
2926 while (($pos = mb_stripos($text, $word)) !== false) {
2927 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
2928 $word = mb_substr($text, $pos, mb_strlen($word));
2929 $highlight = $doc->createElement('span');
2930 $highlight->appendChild(new DomText($word));
2931 $highlight->setAttribute('class', 'highlight');
2932 $fragment->appendChild($highlight);
2933 $text = mb_substr($text, $pos + mb_strlen($word));
2934 }
2935
2936 if (!empty($text)) $fragment->appendChild(new DomText($text));
2937
2938 $child->parentNode->replaceChild($fragment, $child);
2939 }
2940 }
2941 }
2942
2943 $res = $doc->saveHTML();
2944
2945 return $res;
2946 }
2947
2948 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2949 $xpath = new DOMXPath($doc);
2950 $entries = $xpath->query('//*');
2951
2952 foreach ($entries as $entry) {
2953 if (!in_array($entry->nodeName, $allowed_elements)) {
2954 $entry->parentNode->removeChild($entry);
2955 }
2956
2957 if ($entry->hasAttributes()) {
2958 $attrs_to_remove = array();
2959
2960 foreach ($entry->attributes as $attr) {
2961
2962 if (strpos($attr->nodeName, 'on') === 0) {
2963 array_push($attrs_to_remove, $attr);
2964 }
2965
2966 if (in_array($attr->nodeName, $disallowed_attributes)) {
2967 array_push($attrs_to_remove, $attr);
2968 }
2969 }
2970
2971 foreach ($attrs_to_remove as $attr) {
2972 $entry->removeAttributeNode($attr);
2973 }
2974 }
2975 }
2976
2977 return $doc;
2978 }
2979
2980 function check_for_update() {
2981 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2982 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2983 "&iid=" . sha1(SELF_URL_PATH);
2984
2985 $version_data = @fetch_file_contents($version_url);
2986
2987 if ($version_data) {
2988 $version_data = json_decode($version_data, true);
2989 if ($version_data && $version_data['version']) {
2990 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2991 return $version_data;
2992 }
2993 }
2994 }
2995 }
2996 return false;
2997 }
2998
2999 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
3000
3001 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3002 if (count($ids) == 0) return;
3003
3004 $tmp_ids = array();
3005
3006 foreach ($ids as $id) {
3007 array_push($tmp_ids, "ref_id = '$id'");
3008 }
3009
3010 $ids_qpart = join(" OR ", $tmp_ids);
3011
3012 if ($cmode == 0) {
3013 db_query("UPDATE ttrss_user_entries SET
3014 unread = false,last_read = NOW()
3015 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3016 } else if ($cmode == 1) {
3017 db_query("UPDATE ttrss_user_entries SET
3018 unread = true
3019 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3020 } else {
3021 db_query("UPDATE ttrss_user_entries SET
3022 unread = NOT unread,last_read = NOW()
3023 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3024 }
3025
3026 /* update ccache */
3027
3028 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
3029 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3030
3031 while ($line = db_fetch_assoc($result)) {
3032 ccache_update($line["feed_id"], $owner_uid);
3033 }
3034 }
3035
3036 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
3037
3038 $a_id = db_escape_string($id);
3039
3040 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3041
3042 $query = "SELECT DISTINCT tag_name,
3043 owner_uid as owner FROM
3044 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3045 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3046
3047 $tags = array();
3048
3049 /* check cache first */
3050
3051 if ($tag_cache === false) {
3052 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
3053 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3054
3055 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3056 }
3057
3058 if ($tag_cache) {
3059 $tags = explode(",", $tag_cache);
3060 } else {
3061
3062 /* do it the hard way */
3063
3064 $tmp_result = db_query($query);
3065
3066 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3067 array_push($tags, $tmp_line["tag_name"]);
3068 }
3069
3070 /* update the cache */
3071
3072 $tags_str = db_escape_string(join(",", $tags));
3073
3074 db_query("UPDATE ttrss_user_entries
3075 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3076 AND owner_uid = $owner_uid");
3077 }
3078
3079 return $tags;
3080 }
3081
3082 function trim_array($array) {
3083 $tmp = $array;
3084 array_walk($tmp, 'trim');
3085 return $tmp;
3086 }
3087
3088 function tag_is_valid($tag) {
3089 if ($tag == '') return false;
3090 if (preg_match("/^[0-9]*$/", $tag)) return false;
3091 if (mb_strlen($tag) > 250) return false;
3092
3093 if (!$tag) return false;
3094
3095 return true;
3096 }
3097
3098 function render_login_form() {
3099 header('Cache-Control: public');
3100
3101 require_once "login_form.php";
3102 exit;
3103 }
3104
3105 function format_warning($msg, $id = "") {
3106 global $link;
3107 return "<div class=\"warning\" id=\"$id\">
3108 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3109 }
3110
3111 function format_notice($msg, $id = "") {
3112 global $link;
3113 return "<div class=\"notice\" id=\"$id\">
3114 <span><img src=\"images/information.png\"></span><span>$msg</span></div>";
3115 }
3116
3117 function format_error($msg, $id = "") {
3118 global $link;
3119 return "<div class=\"error\" id=\"$id\">
3120 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3121 }
3122
3123 function print_notice($msg) {
3124 return print format_notice($msg);
3125 }
3126
3127 function print_warning($msg) {
3128 return print format_warning($msg);
3129 }
3130
3131 function print_error($msg) {
3132 return print format_error($msg);
3133 }
3134
3135
3136 function T_sprintf() {
3137 $args = func_get_args();
3138 return vsprintf(__(array_shift($args)), $args);
3139 }
3140
3141 function format_inline_player($url, $ctype) {
3142
3143 $entry = "";
3144
3145 $url = htmlspecialchars($url);
3146
3147 if (strpos($ctype, "audio/") === 0) {
3148
3149 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3150 $_SESSION["hasMp3"])) {
3151
3152 $entry .= "<audio preload=\"none\" controls>
3153 <source type=\"$ctype\" src=\"$url\"></source>
3154 </audio>";
3155
3156 } else {
3157
3158 $entry .= "<object type=\"application/x-shockwave-flash\"
3159 data=\"lib/button/musicplayer.swf?song_url=$url\"
3160 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3161 <param name=\"movie\"
3162 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3163 </object>";
3164 }
3165
3166 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3167 href=\"$url\">" . basename($url) . "</a>";
3168
3169 return $entry;
3170
3171 }
3172
3173 return "";
3174
3175 /* $filename = substr($url, strrpos($url, "/")+1);
3176
3177 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3178 $filename . " (" . $ctype . ")" . "</a>"; */
3179
3180 }
3181
3182 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3183 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3184
3185 $rv = array();
3186
3187 $rv['id'] = $id;
3188
3189 /* we can figure out feed_id from article id anyway, why do we
3190 * pass feed_id here? let's ignore the argument :(*/
3191
3192 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3193 WHERE ref_id = '$id'");
3194
3195 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3196
3197 $rv['feed_id'] = $feed_id;
3198
3199 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3200
3201 if ($mark_as_read) {
3202 $result = db_query("UPDATE ttrss_user_entries
3203 SET unread = false,last_read = NOW()
3204 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3205
3206 ccache_update($feed_id, $owner_uid);
3207 }
3208
3209 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
3210 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3211 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3212 (SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
3213 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3214 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3215 num_comments,
3216 tag_cache,
3217 author,
3218 orig_feed_id,
3219 note
3220 FROM ttrss_entries,ttrss_user_entries
3221 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3222
3223 if ($result) {
3224
3225 $line = db_fetch_assoc($result);
3226
3227 $tag_cache = $line["tag_cache"];
3228
3229 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3230 unset($line["tag_cache"]);
3231
3232 $line["content"] = sanitize($line["content"],
3233 sql_bool_to_bool($line['hide_images']),
3234 $owner_uid, $line["site_url"], false, $line["id"]);
3235
3236 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3237 $line = $p->hook_render_article($line);
3238 }
3239
3240 $num_comments = $line["num_comments"];
3241 $entry_comments = "";
3242
3243 if ($num_comments > 0) {
3244 if ($line["comments"]) {
3245 $comments_url = htmlspecialchars($line["comments"]);
3246 } else {
3247 $comments_url = htmlspecialchars($line["link"]);
3248 }
3249 $entry_comments = "<a class=\"postComments\"
3250 target='_blank' href=\"$comments_url\">$num_comments ".
3251 _ngettext("comment", "comments", $num_comments)."</a>";
3252
3253 } else {
3254 if ($line["comments"] && $line["link"] != $line["comments"]) {
3255 $entry_comments = "<a class=\"postComments\" target='_blank' href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
3256 }
3257 }
3258
3259 if ($zoom_mode) {
3260 header("Content-Type: text/html");
3261 $rv['content'] .= "<html><head>
3262 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3263 <title>Tiny Tiny RSS - ".$line["title"]."</title>".
3264 stylesheet_tag("css/tt-rss.css").
3265 stylesheet_tag("css/zoom.css")."
3266
3267 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
3268 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
3269
3270 <script type=\"text/javascript\">
3271 function openSelectedAttachment(elem) {
3272 try {
3273 var url = elem[elem.selectedIndex].value;
3274
3275 if (url) {
3276 window.open(url);
3277 elem.selectedIndex = 0;
3278 }
3279
3280 } catch (e) {
3281 exception_error(\"openSelectedAttachment\", e);
3282 }
3283 }
3284 </script>
3285 </head><body id=\"ttrssZoom\">";
3286 }
3287
3288 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3289
3290 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3291
3292 $entry_author = $line["author"];
3293
3294 if ($entry_author) {
3295 $entry_author = __(" - ") . $entry_author;
3296 }
3297
3298 $parsed_updated = make_local_datetime($line["updated"], true,
3299 $owner_uid, true);
3300
3301 if (!$zoom_mode)
3302 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3303
3304 if ($line["link"]) {
3305 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3306 title=\"".htmlspecialchars($line['title'])."\"
3307 href=\"" .
3308 htmlspecialchars($line["link"]) . "\">" .
3309 $line["title"] . "</a>" .
3310 "<span class='author'>$entry_author</span></div>";
3311 } else {
3312 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3313 }
3314
3315 if ($zoom_mode) {
3316 $feed_title = "<a href=\"".htmlspecialchars($line["site_url"]).
3317 "\" target=\"_blank\">".
3318 htmlspecialchars($line["feed_title"])."</a>";
3319
3320 $rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
3321
3322 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3323 }
3324
3325 $tags_str = format_tags_string($line["tags"], $id);
3326 $tags_str_full = join(", ", $line["tags"]);
3327
3328 if (!$tags_str_full) $tags_str_full = __("no tags");
3329
3330 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3331
3332 $rv['content'] .= "<div class='postTags' style='float : right'>
3333 <img src='images/tag.png'
3334 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3335
3336 if (!$zoom_mode) {
3337 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3338 <a title=\"".__('Edit tags for this article')."\"
3339 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3340
3341 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3342 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3343 position=\"below\">$tags_str_full</div>";
3344
3345 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3346 $rv['content'] .= $p->hook_article_button($line);
3347 }
3348
3349 } else {
3350 $tags_str = strip_tags($tags_str);
3351 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3352 }
3353 $rv['content'] .= "</div>";
3354 $rv['content'] .= "<div clear='both'>";
3355
3356 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3357 $rv['content'] .= $p->hook_article_left_button($line);
3358 }
3359
3360 $rv['content'] .= "$entry_comments</div>";
3361
3362 if ($line["orig_feed_id"]) {
3363
3364 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3365 WHERE id = ".$line["orig_feed_id"]);
3366
3367 if (db_num_rows($tmp_result) != 0) {
3368
3369 $rv['content'] .= "<div clear='both'>";
3370 $rv['content'] .= __("Originally from:");
3371
3372 $rv['content'] .= "&nbsp;";
3373
3374 $tmp_line = db_fetch_assoc($tmp_result);
3375
3376 $rv['content'] .= "<a target='_blank'
3377 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3378 $tmp_line['title'] . "</a>";
3379
3380 $rv['content'] .= "&nbsp;";
3381
3382 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3383 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3384
3385 $rv['content'] .= "</div>";
3386 }
3387 }
3388
3389 $rv['content'] .= "</div>";
3390
3391 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3392 if ($line['note']) {
3393 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3394 }
3395 $rv['content'] .= "</div>";
3396
3397 if (!$line['lang']) $line['lang'] = 'en';
3398
3399 $rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
3400
3401 $rv['content'] .= $line["content"];
3402 $rv['content'] .= format_article_enclosures($id,
3403 sql_bool_to_bool($line["always_display_enclosures"]),
3404 $line["content"],
3405 sql_bool_to_bool($line["hide_images"]));
3406
3407 $rv['content'] .= "</div>";
3408
3409 $rv['content'] .= "</div>";
3410
3411 }
3412
3413 if ($zoom_mode) {
3414 $rv['content'] .= "
3415 <div class='footer'>
3416 <button onclick=\"return window.close()\">".
3417 __("Close this window")."</button></div>";
3418 $rv['content'] .= "</body></html>";
3419 }
3420
3421 return $rv;
3422
3423 }
3424
3425 function print_checkpoint($n, $s) {
3426 $ts = microtime(true);
3427 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3428 return $ts;
3429 }
3430
3431 function sanitize_tag($tag) {
3432 $tag = trim($tag);
3433
3434 $tag = mb_strtolower($tag, 'utf-8');
3435
3436 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3437
3438 // $tag = str_replace('"', "", $tag);
3439 // $tag = str_replace("+", " ", $tag);
3440 $tag = str_replace("technorati tag: ", "", $tag);
3441
3442 return $tag;
3443 }
3444
3445 function get_self_url_prefix() {
3446 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3447 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3448 } else {
3449 return SELF_URL_PATH;
3450 }
3451 }
3452
3453 /**
3454 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3455 *
3456 * @return string The Mozilla Firefox feed adding URL.
3457 */
3458 function add_feed_url() {
3459 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3460
3461 $url_path = get_self_url_prefix() .
3462 "/public.php?op=subscribe&feed_url=%s";
3463 return $url_path;
3464 } // function add_feed_url
3465
3466 function encrypt_password($pass, $salt = '', $mode2 = false) {
3467 if ($salt && $mode2) {
3468 return "MODE2:" . hash('sha256', $salt . $pass);
3469 } else if ($salt) {
3470 return "SHA1X:" . sha1("$salt:$pass");
3471 } else {
3472 return "SHA1:" . sha1($pass);
3473 }
3474 } // function encrypt_password
3475
3476 function load_filters($feed_id, $owner_uid, $action_id = false) {
3477 $filters = array();
3478
3479 $cat_id = (int)getFeedCategory($feed_id);
3480
3481 if ($cat_id == 0)
3482 $null_cat_qpart = "cat_id IS NULL OR";
3483 else
3484 $null_cat_qpart = "";
3485
3486 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3487 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3488
3489 $check_cats = join(",", array_merge(
3490 getParentCategories($cat_id, $owner_uid),
3491 array($cat_id)));
3492
3493 while ($line = db_fetch_assoc($result)) {
3494 $filter_id = $line["id"];
3495
3496 $result2 = db_query("SELECT
3497 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3498 FROM ttrss_filters2_rules AS r,
3499 ttrss_filter_types AS t
3500 WHERE
3501 ($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats)) AND
3502 (feed_id IS NULL OR feed_id = '$feed_id') AND
3503 filter_type = t.id AND filter_id = '$filter_id'");
3504
3505 $rules = array();
3506 $actions = array();
3507
3508 while ($rule_line = db_fetch_assoc($result2)) {
3509 # print_r($rule_line);
3510
3511 $rule = array();
3512 $rule["reg_exp"] = $rule_line["reg_exp"];
3513 $rule["type"] = $rule_line["type_name"];
3514 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3515
3516 array_push($rules, $rule);
3517 }
3518
3519 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3520 FROM ttrss_filters2_actions AS a,
3521 ttrss_filter_actions AS t
3522 WHERE
3523 action_id = t.id AND filter_id = '$filter_id'");
3524
3525 while ($action_line = db_fetch_assoc($result2)) {
3526 # print_r($action_line);
3527
3528 $action = array();
3529 $action["type"] = $action_line["type_name"];
3530 $action["param"] = $action_line["action_param"];
3531
3532 array_push($actions, $action);
3533 }
3534
3535
3536 $filter = array();
3537 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3538 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3539 $filter["rules"] = $rules;
3540 $filter["actions"] = $actions;
3541
3542 if (count($rules) > 0 && count($actions) > 0) {
3543 array_push($filters, $filter);
3544 }
3545 }
3546
3547 return $filters;
3548 }
3549
3550 function get_score_pic($score) {
3551 if ($score > 100) {
3552 return "score_high.png";
3553 } else if ($score > 0) {
3554 return "score_half_high.png";
3555 } else if ($score < -100) {
3556 return "score_low.png";
3557 } else if ($score < 0) {
3558 return "score_half_low.png";
3559 } else {
3560 return "score_neutral.png";
3561 }
3562 }
3563
3564 function feed_has_icon($id) {
3565 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3566 }
3567
3568 function init_plugins() {
3569 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3570
3571 return true;
3572 }
3573
3574 function format_tags_string($tags, $id) {
3575 if (!is_array($tags) || count($tags) == 0) {
3576 return __("no tags");
3577 } else {
3578 $maxtags = min(5, count($tags));
3579
3580 for ($i = 0; $i < $maxtags; $i++) {
3581 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."')\">" . $tags[$i] . "</a>, ";
3582 }
3583
3584 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3585
3586 if (count($tags) > $maxtags)
3587 $tags_str .= ", &hellip;";
3588
3589 return $tags_str;
3590 }
3591 }
3592
3593 function format_article_labels($labels, $id) {
3594
3595 if (!is_array($labels)) return '';
3596
3597 $labels_str = "";
3598
3599 foreach ($labels as $l) {
3600 $labels_str .= sprintf("<span class='hlLabelRef'
3601 style='color : %s; background-color : %s'>%s</span>",
3602 $l[2], $l[3], $l[1]);
3603 }
3604
3605 return $labels_str;
3606
3607 }
3608
3609 function format_article_note($id, $note, $allow_edit = true) {
3610
3611 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3612 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3613 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3614
3615 return $str;
3616 }
3617
3618
3619 function get_feed_category($feed_cat, $parent_cat_id = false) {
3620 if ($parent_cat_id) {
3621 $parent_qpart = "parent_cat = '$parent_cat_id'";
3622 $parent_insert = "'$parent_cat_id'";
3623 } else {
3624 $parent_qpart = "parent_cat IS NULL";
3625 $parent_insert = "NULL";
3626 }
3627
3628 $result = db_query(
3629 "SELECT id FROM ttrss_feed_categories
3630 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3631
3632 if (db_num_rows($result) == 0) {
3633 return false;
3634 } else {
3635 return db_fetch_result($result, 0, "id");
3636 }
3637 }
3638
3639 function add_feed_category($feed_cat, $parent_cat_id = false) {
3640
3641 if (!$feed_cat) return false;
3642
3643 db_query("BEGIN");
3644
3645 if ($parent_cat_id) {
3646 $parent_qpart = "parent_cat = '$parent_cat_id'";
3647 $parent_insert = "'$parent_cat_id'";
3648 } else {
3649 $parent_qpart = "parent_cat IS NULL";
3650 $parent_insert = "NULL";
3651 }
3652
3653 $feed_cat = mb_substr($feed_cat, 0, 250);
3654
3655 $result = db_query(
3656 "SELECT id FROM ttrss_feed_categories
3657 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3658
3659 if (db_num_rows($result) == 0) {
3660
3661 $result = db_query(
3662 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3663 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3664
3665 db_query("COMMIT");
3666
3667 return true;
3668 }
3669
3670 return false;
3671 }
3672
3673 function getArticleFeed($id) {
3674 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3675 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3676
3677 if (db_num_rows($result) != 0) {
3678 return db_fetch_result($result, 0, "feed_id");
3679 } else {
3680 return 0;
3681 }
3682 }
3683
3684 /**
3685 * Fixes incomplete URLs by prepending "http://".
3686 * Also replaces feed:// with http://, and
3687 * prepends a trailing slash if the url is a domain name only.
3688 *
3689 * @param string $url Possibly incomplete URL
3690 *
3691 * @return string Fixed URL.
3692 */
3693 function fix_url($url) {
3694 if (strpos($url, '://') === false) {
3695 $url = 'http://' . $url;
3696 } else if (substr($url, 0, 5) == 'feed:') {
3697 $url = 'http:' . substr($url, 5);
3698 }
3699
3700 //prepend slash if the URL has no slash in it
3701 // "http://www.example" -> "http://www.example/"
3702 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3703 $url .= '/';
3704 }
3705
3706 if ($url != "http:///")
3707 return $url;
3708 else
3709 return '';
3710 }
3711
3712 function validate_feed_url($url) {
3713 $parts = parse_url($url);
3714
3715 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3716
3717 }
3718
3719 function get_article_enclosures($id) {
3720
3721 $query = "SELECT * FROM ttrss_enclosures
3722 WHERE post_id = '$id' AND content_url != ''";
3723
3724 $rv = array();
3725
3726 $result = db_query($query);
3727
3728 if (db_num_rows($result) > 0) {
3729 while ($line = db_fetch_assoc($result)) {
3730 array_push($rv, $line);
3731 }
3732 }
3733
3734 return $rv;
3735 }
3736
3737 function save_email_address($email) {
3738 // FIXME: implement persistent storage of emails
3739
3740 if (!$_SESSION['stored_emails'])
3741 $_SESSION['stored_emails'] = array();
3742
3743 if (!in_array($email, $_SESSION['stored_emails']))
3744 array_push($_SESSION['stored_emails'], $email);
3745 }
3746
3747
3748 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3749
3750 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3751
3752 $sql_is_cat = bool_to_sql_bool($is_cat);
3753
3754 $result = db_query("SELECT access_key FROM ttrss_access_keys
3755 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3756 AND owner_uid = " . $owner_uid);
3757
3758 if (db_num_rows($result) == 1) {
3759 return db_fetch_result($result, 0, "access_key");
3760 } else {
3761 $key = db_escape_string(uniqid(base_convert(rand(), 10, 36)));
3762
3763 $result = db_query("INSERT INTO ttrss_access_keys
3764 (access_key, feed_id, is_cat, owner_uid)
3765 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3766
3767 return $key;
3768 }
3769 return false;
3770 }
3771
3772 function get_feeds_from_html($url, $content)
3773 {
3774 $url = fix_url($url);
3775 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3776
3777 libxml_use_internal_errors(true);
3778
3779 $doc = new DOMDocument();
3780 $doc->loadHTML($content);
3781 $xpath = new DOMXPath($doc);
3782 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3783 $feedUrls = array();
3784 foreach ($entries as $entry) {
3785 if ($entry->hasAttribute('href')) {
3786 $title = $entry->getAttribute('title');
3787 if ($title == '') {
3788 $title = $entry->getAttribute('type');
3789 }
3790 $feedUrl = rewrite_relative_url(
3791 $baseUrl, $entry->getAttribute('href')
3792 );
3793 $feedUrls[$feedUrl] = $title;
3794 }
3795 }
3796 return $feedUrls;
3797 }
3798
3799 function is_html($content) {
3800 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3801 }
3802
3803 function url_is_html($url, $login = false, $pass = false) {
3804 return is_html(fetch_file_contents($url, false, $login, $pass));
3805 }
3806
3807 function print_label_select($name, $value, $attributes = "") {
3808
3809 $result = db_query("SELECT caption FROM ttrss_labels2
3810 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3811
3812 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3813 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3814
3815 while ($line = db_fetch_assoc($result)) {
3816
3817 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3818
3819 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3820 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3821
3822 }
3823
3824 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3825
3826 print "</select>";
3827
3828
3829 }
3830
3831 function format_article_enclosures($id, $always_display_enclosures,
3832 $article_content, $hide_images = false) {
3833
3834 $result = get_article_enclosures($id);
3835 $rv = '';
3836
3837 if (count($result) > 0) {
3838
3839 $entries_html = array();
3840 $entries = array();
3841 $entries_inline = array();
3842
3843 foreach ($result as $line) {
3844
3845 $url = $line["content_url"];
3846 $ctype = $line["content_type"];
3847 $title = $line["title"];
3848
3849 if (!$ctype) $ctype = __("unknown type");
3850
3851 $filename = substr($url, strrpos($url, "/")+1);
3852
3853 $player = format_inline_player($url, $ctype);
3854
3855 if ($player) array_push($entries_inline, $player);
3856
3857 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3858 # $filename . " (" . $ctype . ")" . "</a>";
3859
3860 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3861 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3862
3863 array_push($entries_html, $entry);
3864
3865 $entry = array();
3866
3867 $entry["type"] = $ctype;
3868 $entry["filename"] = $filename;
3869 $entry["url"] = $url;
3870 $entry["title"] = $title;
3871
3872 array_push($entries, $entry);
3873 }
3874
3875 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3876 if ($always_display_enclosures ||
3877 !preg_match("/<img/i", $article_content)) {
3878
3879 foreach ($entries as $entry) {
3880
3881 if (preg_match("/image/", $entry["type"]) ||
3882 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3883
3884 if (!$hide_images) {
3885 $rv .= "<p><img
3886 alt=\"".htmlspecialchars($entry["filename"])."\"
3887 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3888 } else {
3889 $rv .= "<p><a target=\"_blank\"
3890 href=\"".htmlspecialchars($entry["url"])."\"
3891 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3892 }
3893
3894 if ($entry['title']) {
3895 $rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
3896 }
3897 }
3898 }
3899 }
3900 }
3901
3902 if (count($entries_inline) > 0) {
3903 $rv .= "<hr clear='both'/>";
3904 foreach ($entries_inline as $entry) { $rv .= $entry; };
3905 $rv .= "<hr clear='both'/>";
3906 }
3907
3908 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3909 "<option value=''>" . __('Attachments')."</option>";
3910
3911 foreach ($entries as $entry) {
3912 if ($entry["title"])
3913 $title = "&mdash; " . truncate_string($entry["title"], 30);
3914 else
3915 $title = "";
3916
3917 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "$title</option>";
3918
3919 };
3920
3921 $rv .= "</select>";
3922 }
3923
3924 return $rv;
3925 }
3926
3927 function getLastArticleId() {
3928 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3929 WHERE owner_uid = " . $_SESSION["uid"]);
3930
3931 if (db_num_rows($result) == 1) {
3932 return db_fetch_result($result, 0, "id");
3933 } else {
3934 return -1;
3935 }
3936 }
3937
3938 function build_url($parts) {
3939 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3940 }
3941
3942 /**
3943 * Converts a (possibly) relative URL to a absolute one.
3944 *
3945 * @param string $url Base URL (i.e. from where the document is)
3946 * @param string $rel_url Possibly relative URL in the document
3947 *
3948 * @return string Absolute URL
3949 */
3950 function rewrite_relative_url($url, $rel_url) {
3951 if (strpos($rel_url, ":") !== false) {
3952 return $rel_url;
3953 } else if (strpos($rel_url, "://") !== false) {
3954 return $rel_url;
3955 } else if (strpos($rel_url, "//") === 0) {
3956 # protocol-relative URL (rare but they exist)
3957 return $rel_url;
3958 } else if (strpos($rel_url, "/") === 0)
3959 {
3960 $parts = parse_url($url);
3961 $parts['path'] = $rel_url;
3962
3963 return build_url($parts);
3964
3965 } else {
3966 $parts = parse_url($url);
3967 if (!isset($parts['path'])) {
3968 $parts['path'] = '/';
3969 }
3970 $dir = $parts['path'];
3971 if (substr($dir, -1) !== '/') {
3972 $dir = dirname($parts['path']);
3973 $dir !== '/' && $dir .= '/';
3974 }
3975 $parts['path'] = $dir . $rel_url;
3976
3977 return build_url($parts);
3978 }
3979 }
3980
3981 function sphinx_search($query, $offset = 0, $limit = 30) {
3982 require_once 'lib/sphinxapi.php';
3983
3984 $sphinxClient = new SphinxClient();
3985
3986 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3987
3988 $sphinxClient->SetServer($sphinxpair[0], (int)$sphinxpair[1]);
3989 $sphinxClient->SetConnectTimeout(1);
3990
3991 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3992 'feed_title' => 20));
3993
3994 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3995 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3996 $sphinxClient->SetLimits($offset, $limit, 1000);
3997 $sphinxClient->SetArrayResult(false);
3998 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3999
4000 $result = $sphinxClient->Query($query, SPHINX_INDEX);
4001
4002 $ids = array();
4003
4004 if (is_array($result['matches'])) {
4005 foreach (array_keys($result['matches']) as $int_id) {
4006 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4007 array_push($ids, $ref_id);
4008 }
4009 }
4010
4011 return $ids;
4012 }
4013
4014 function cleanup_tags($days = 14, $limit = 1000) {
4015
4016 if (DB_TYPE == "pgsql") {
4017 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4018 } else if (DB_TYPE == "mysql") {
4019 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4020 }
4021
4022 $tags_deleted = 0;
4023
4024 while ($limit > 0) {
4025 $limit_part = 500;
4026
4027 $query = "SELECT ttrss_tags.id AS id
4028 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4029 WHERE post_int_id = int_id AND $interval_query AND
4030 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4031
4032 $result = db_query($query);
4033
4034 $ids = array();
4035
4036 while ($line = db_fetch_assoc($result)) {
4037 array_push($ids, $line['id']);
4038 }
4039
4040 if (count($ids) > 0) {
4041 $ids = join(",", $ids);
4042
4043 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
4044 $tags_deleted += db_affected_rows($tmp_result);
4045 } else {
4046 break;
4047 }
4048
4049 $limit -= $limit_part;
4050 }
4051
4052 return $tags_deleted;
4053 }
4054
4055 function print_user_stylesheet() {
4056 $value = get_pref('USER_STYLESHEET');
4057
4058 if ($value) {
4059 print "<style type=\"text/css\">";
4060 print str_replace("<br/>", "\n", $value);
4061 print "</style>";
4062 }
4063
4064 }
4065
4066 function filter_to_sql($filter, $owner_uid) {
4067 $query = array();
4068
4069 if (DB_TYPE == "pgsql")
4070 $reg_qpart = "~";
4071 else
4072 $reg_qpart = "REGEXP";
4073
4074 foreach ($filter["rules"] AS $rule) {
4075 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
4076 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
4077 $rule['reg_exp']) !== FALSE;
4078
4079 if ($regexp_valid) {
4080
4081 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
4082
4083 switch ($rule["type"]) {
4084 case "title":
4085 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4086 $rule['reg_exp'] . "')";
4087 break;
4088 case "content":
4089 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
4090 $rule['reg_exp'] . "')";
4091 break;
4092 case "both":
4093 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4094 $rule['reg_exp'] . "') OR LOWER(" .
4095 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
4096 break;
4097 case "tag":
4098 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
4099 $rule['reg_exp'] . "')";
4100 break;
4101 case "link":
4102 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
4103 $rule['reg_exp'] . "')";
4104 break;
4105 case "author":
4106 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
4107 $rule['reg_exp'] . "')";
4108 break;
4109 }
4110
4111 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
4112
4113 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
4114 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
4115 }
4116
4117 if (isset($rule["cat_id"])) {
4118
4119 if ($rule["cat_id"] > 0) {
4120 $children = getChildCategories($rule["cat_id"], $owner_uid);
4121 array_push($children, $rule["cat_id"]);
4122
4123 $children = join(",", $children);
4124
4125 $cat_qpart = "cat_id IN ($children)";
4126 } else {
4127 $cat_qpart = "cat_id IS NULL";
4128 }
4129
4130 $qpart .= " AND $cat_qpart";
4131 }
4132
4133 $qpart .= " AND feed_id IS NOT NULL";
4134
4135 array_push($query, "($qpart)");
4136
4137 }
4138 }
4139
4140 if (count($query) > 0) {
4141 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4142 } else {
4143 $fullquery = "(false)";
4144 }
4145
4146 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4147
4148 return $fullquery;
4149 }
4150
4151 if (!function_exists('gzdecode')) {
4152 function gzdecode($string) { // no support for 2nd argument
4153 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4154 base64_encode($string));
4155 }
4156 }
4157
4158 function get_random_bytes($length) {
4159 if (function_exists('openssl_random_pseudo_bytes')) {
4160 return openssl_random_pseudo_bytes($length);
4161 } else {
4162 $output = "";
4163
4164 for ($i = 0; $i < $length; $i++)
4165 $output .= chr(mt_rand(0, 255));
4166
4167 return $output;
4168 }
4169 }
4170
4171 function read_stdin() {
4172 $fp = fopen("php://stdin", "r");
4173
4174 if ($fp) {
4175 $line = trim(fgets($fp));
4176 fclose($fp);
4177 return $line;
4178 }
4179
4180 return null;
4181 }
4182
4183 function tmpdirname($path, $prefix) {
4184 // Use PHP's tmpfile function to create a temporary
4185 // directory name. Delete the file and keep the name.
4186 $tempname = tempnam($path,$prefix);
4187 if (!$tempname)
4188 return false;
4189
4190 if (!unlink($tempname))
4191 return false;
4192
4193 return $tempname;
4194 }
4195
4196 function getFeedCategory($feed) {
4197 $result = db_query("SELECT cat_id FROM ttrss_feeds
4198 WHERE id = '$feed'");
4199
4200 if (db_num_rows($result) > 0) {
4201 return db_fetch_result($result, 0, "cat_id");
4202 } else {
4203 return false;
4204 }
4205
4206 }
4207
4208 function implements_interface($class, $interface) {
4209 return in_array($interface, class_implements($class));
4210 }
4211
4212 function geturl($url, $depth = 0){
4213
4214 if ($depth == 20) return $url;
4215
4216 if (!function_exists('curl_init'))
4217 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);
4218
4219 $curl = curl_init();
4220 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4221 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4222 $header[] = "Cache-Control: max-age=0";
4223 $header[] = "Connection: keep-alive";
4224 $header[] = "Keep-Alive: 300";
4225 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4226 $header[] = "Accept-Language: en-us,en;q=0.5";
4227 $header[] = "Pragma: ";
4228
4229 curl_setopt($curl, CURLOPT_URL, $url);
4230 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4231 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4232 curl_setopt($curl, CURLOPT_HEADER, true);
4233 curl_setopt($curl, CURLOPT_REFERER, $url);
4234 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4235 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4236 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4237 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4238 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4239 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
4240
4241 if (defined('_CURL_HTTP_PROXY')) {
4242 curl_setopt($curl, CURLOPT_PROXY, _CURL_HTTP_PROXY);
4243 }
4244
4245 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
4246 curl_setopt($curl, CURLOPT_SSLVERSION, 3);
4247 }
4248
4249 $html = curl_exec($curl);
4250
4251 $status = curl_getinfo($curl);
4252
4253 if($status['http_code']!=200){
4254 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4255 curl_close($curl);
4256 list($header) = explode("\r\n\r\n", $html, 2);
4257 $matches = array();
4258 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4259 $url = trim(str_replace($matches[1],"",$matches[0]));
4260 $url_parsed = parse_url($url);
4261 return (isset($url_parsed))? geturl($url, $depth + 1):'';
4262 }
4263
4264 global $fetch_last_error;
4265
4266 $fetch_last_error = curl_errno($curl) . " " . curl_error($curl);
4267 curl_close($curl);
4268
4269 $oline='';
4270 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4271 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4272 # $handle = @fopen('./curl.error.log', 'a');
4273 # fwrite($handle, $line);
4274 return FALSE;
4275 }
4276 curl_close($curl);
4277 return $url;
4278 }
4279
4280 function get_minified_js($files) {
4281 require_once 'lib/jshrink/Minifier.php';
4282
4283 $rv = '';
4284
4285 foreach ($files as $js) {
4286 if (!isset($_GET['debug'])) {
4287 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4288
4289 if (file_exists($cached_file) &&
4290 is_readable($cached_file) &&
4291 filemtime($cached_file) >= filemtime("js/$js.js")) {
4292
4293 $rv .= file_get_contents($cached_file);
4294
4295 } else {
4296 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4297 file_put_contents($cached_file, $minified);
4298 $rv .= $minified;
4299 }
4300 } else {
4301 $rv .= file_get_contents("js/$js.js");
4302 }
4303 }
4304
4305 return $rv;
4306 }
4307
4308 function stylesheet_tag($filename) {
4309 $timestamp = filemtime($filename);
4310
4311 return "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4312 }
4313
4314 function javascript_tag($filename) {
4315 $query = "";
4316
4317 if (!(strpos($filename, "?") === FALSE)) {
4318 $query = substr($filename, strpos($filename, "?")+1);
4319 $filename = substr($filename, 0, strpos($filename, "?"));
4320 }
4321
4322 $timestamp = filemtime($filename);
4323
4324 if ($query) $timestamp .= "&$query";
4325
4326 return "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4327 }
4328
4329 function calculate_dep_timestamp() {
4330 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
4331
4332 $max_ts = -1;
4333
4334 foreach ($files as $file) {
4335 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4336 }
4337
4338 return $max_ts;
4339 }
4340
4341 function T_js_decl($s1, $s2) {
4342 if ($s1 && $s2) {
4343 $s1 = preg_replace("/\n/", "", $s1);
4344 $s2 = preg_replace("/\n/", "", $s2);
4345
4346 $s1 = preg_replace("/\"/", "\\\"", $s1);
4347 $s2 = preg_replace("/\"/", "\\\"", $s2);
4348
4349 return "T_messages[\"$s1\"] = \"$s2\";\n";
4350 }
4351 }
4352
4353 function init_js_translations() {
4354
4355 print 'var T_messages = new Object();
4356
4357 function __(msg) {
4358 if (T_messages[msg]) {
4359 return T_messages[msg];
4360 } else {
4361 return msg;
4362 }
4363 }
4364
4365 function ngettext(msg1, msg2, n) {
4366 return __((parseInt(n) > 1) ? msg2 : msg1);
4367 }';
4368
4369 $l10n = _get_reader();
4370
4371 for ($i = 0; $i < $l10n->total; $i++) {
4372 $orig = $l10n->get_original_string($i);
4373 if(strpos($orig, "\000") !== FALSE) { // Plural forms
4374 $key = explode(chr(0), $orig);
4375 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
4376 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
4377 } else {
4378 $translation = __($orig);
4379 print T_js_decl($orig, $translation);
4380 }
4381 }
4382 }
4383
4384 function label_to_feed_id($label) {
4385 return LABEL_BASE_INDEX - 1 - abs($label);
4386 }
4387
4388 function feed_to_label_id($feed) {
4389 return LABEL_BASE_INDEX - 1 + abs($feed);
4390 }
4391
4392 function format_libxml_error($error) {
4393 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4394 $error->code, $error->line, $error->column,
4395 $error->message);
4396 }
4397
4398 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/