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increase randomness of shared url keys a bit
[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, $entry->getAttribute('href')));
2837
2838 if ($entry->hasAttribute('src')) {
2839 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2840
2841 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2842
2843 if (file_exists($cached_filename)) {
2844 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2845 }
2846
2847 $entry->setAttribute('src', $src);
2848 }
2849
2850 if ($entry->nodeName == 'img') {
2851 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2852 $force_remove_images || $_SESSION["bw_limit"]) {
2853
2854 $p = $doc->createElement('p');
2855
2856 $a = $doc->createElement('a');
2857 $a->setAttribute('href', $entry->getAttribute('src'));
2858
2859 $a->appendChild(new DOMText($entry->getAttribute('src')));
2860 $a->setAttribute('target', '_blank');
2861
2862 $p->appendChild($a);
2863
2864 $entry->parentNode->replaceChild($p, $entry);
2865 }
2866 }
2867 }
2868
2869 if (strtolower($entry->nodeName) == "a") {
2870 $entry->setAttribute("target", "_blank");
2871 }
2872 }
2873
2874 $entries = $xpath->query('//iframe');
2875 foreach ($entries as $entry) {
2876 $entry->setAttribute('sandbox', 'allow-scripts');
2877
2878 }
2879
2880 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2881 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2882 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2883 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2884 'dt', 'em', 'footer', 'figure', 'figcaption',
2885 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2886 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2887 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2888 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2889 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2890 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2891
2892 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2893
2894 $disallowed_attributes = array('id', 'style', 'class');
2895
2896 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2897 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
2898 if (is_array($retval)) {
2899 $doc = $retval[0];
2900 $allowed_elements = $retval[1];
2901 $disallowed_attributes = $retval[2];
2902 } else {
2903 $doc = $retval;
2904 }
2905 }
2906
2907 $doc->removeChild($doc->firstChild); //remove doctype
2908 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2909
2910 if ($highlight_words) {
2911 foreach ($highlight_words as $word) {
2912
2913 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
2914
2915 $elements = $xpath->query("//*/text()");
2916
2917 foreach ($elements as $child) {
2918
2919 $fragment = $doc->createDocumentFragment();
2920 $text = $child->textContent;
2921 $stubs = array();
2922
2923 while (($pos = mb_stripos($text, $word)) !== false) {
2924 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
2925 $word = mb_substr($text, $pos, mb_strlen($word));
2926 $highlight = $doc->createElement('span');
2927 $highlight->appendChild(new DomText($word));
2928 $highlight->setAttribute('class', 'highlight');
2929 $fragment->appendChild($highlight);
2930 $text = mb_substr($text, $pos + mb_strlen($word));
2931 }
2932
2933 if (!empty($text)) $fragment->appendChild(new DomText($text));
2934
2935 $child->parentNode->replaceChild($fragment, $child);
2936 }
2937 }
2938 }
2939
2940 $res = $doc->saveHTML();
2941
2942 return $res;
2943 }
2944
2945 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2946 $xpath = new DOMXPath($doc);
2947 $entries = $xpath->query('//*');
2948
2949 foreach ($entries as $entry) {
2950 if (!in_array($entry->nodeName, $allowed_elements)) {
2951 $entry->parentNode->removeChild($entry);
2952 }
2953
2954 if ($entry->hasAttributes()) {
2955 $attrs_to_remove = array();
2956
2957 foreach ($entry->attributes as $attr) {
2958
2959 if (strpos($attr->nodeName, 'on') === 0) {
2960 array_push($attrs_to_remove, $attr);
2961 }
2962
2963 if (in_array($attr->nodeName, $disallowed_attributes)) {
2964 array_push($attrs_to_remove, $attr);
2965 }
2966 }
2967
2968 foreach ($attrs_to_remove as $attr) {
2969 $entry->removeAttributeNode($attr);
2970 }
2971 }
2972 }
2973
2974 return $doc;
2975 }
2976
2977 function check_for_update() {
2978 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2979 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2980 "&iid=" . sha1(SELF_URL_PATH);
2981
2982 $version_data = @fetch_file_contents($version_url);
2983
2984 if ($version_data) {
2985 $version_data = json_decode($version_data, true);
2986 if ($version_data && $version_data['version']) {
2987 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2988 return $version_data;
2989 }
2990 }
2991 }
2992 }
2993 return false;
2994 }
2995
2996 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2997
2998 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2999 if (count($ids) == 0) return;
3000
3001 $tmp_ids = array();
3002
3003 foreach ($ids as $id) {
3004 array_push($tmp_ids, "ref_id = '$id'");
3005 }
3006
3007 $ids_qpart = join(" OR ", $tmp_ids);
3008
3009 if ($cmode == 0) {
3010 db_query("UPDATE ttrss_user_entries SET
3011 unread = false,last_read = NOW()
3012 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3013 } else if ($cmode == 1) {
3014 db_query("UPDATE ttrss_user_entries SET
3015 unread = true
3016 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3017 } else {
3018 db_query("UPDATE ttrss_user_entries SET
3019 unread = NOT unread,last_read = NOW()
3020 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3021 }
3022
3023 /* update ccache */
3024
3025 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
3026 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3027
3028 while ($line = db_fetch_assoc($result)) {
3029 ccache_update($line["feed_id"], $owner_uid);
3030 }
3031 }
3032
3033 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
3034
3035 $a_id = db_escape_string($id);
3036
3037 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3038
3039 $query = "SELECT DISTINCT tag_name,
3040 owner_uid as owner FROM
3041 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3042 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3043
3044 $tags = array();
3045
3046 /* check cache first */
3047
3048 if ($tag_cache === false) {
3049 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
3050 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3051
3052 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3053 }
3054
3055 if ($tag_cache) {
3056 $tags = explode(",", $tag_cache);
3057 } else {
3058
3059 /* do it the hard way */
3060
3061 $tmp_result = db_query($query);
3062
3063 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3064 array_push($tags, $tmp_line["tag_name"]);
3065 }
3066
3067 /* update the cache */
3068
3069 $tags_str = db_escape_string(join(",", $tags));
3070
3071 db_query("UPDATE ttrss_user_entries
3072 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3073 AND owner_uid = $owner_uid");
3074 }
3075
3076 return $tags;
3077 }
3078
3079 function trim_array($array) {
3080 $tmp = $array;
3081 array_walk($tmp, 'trim');
3082 return $tmp;
3083 }
3084
3085 function tag_is_valid($tag) {
3086 if ($tag == '') return false;
3087 if (preg_match("/^[0-9]*$/", $tag)) return false;
3088 if (mb_strlen($tag) > 250) return false;
3089
3090 if (!$tag) return false;
3091
3092 return true;
3093 }
3094
3095 function render_login_form() {
3096 header('Cache-Control: public');
3097
3098 require_once "login_form.php";
3099 exit;
3100 }
3101
3102 function format_warning($msg, $id = "") {
3103 global $link;
3104 return "<div class=\"warning\" id=\"$id\">
3105 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3106 }
3107
3108 function format_notice($msg, $id = "") {
3109 global $link;
3110 return "<div class=\"notice\" id=\"$id\">
3111 <span><img src=\"images/information.png\"></span><span>$msg</span></div>";
3112 }
3113
3114 function format_error($msg, $id = "") {
3115 global $link;
3116 return "<div class=\"error\" id=\"$id\">
3117 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3118 }
3119
3120 function print_notice($msg) {
3121 return print format_notice($msg);
3122 }
3123
3124 function print_warning($msg) {
3125 return print format_warning($msg);
3126 }
3127
3128 function print_error($msg) {
3129 return print format_error($msg);
3130 }
3131
3132
3133 function T_sprintf() {
3134 $args = func_get_args();
3135 return vsprintf(__(array_shift($args)), $args);
3136 }
3137
3138 function format_inline_player($url, $ctype) {
3139
3140 $entry = "";
3141
3142 $url = htmlspecialchars($url);
3143
3144 if (strpos($ctype, "audio/") === 0) {
3145
3146 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3147 $_SESSION["hasMp3"])) {
3148
3149 $entry .= "<audio preload=\"none\" controls>
3150 <source type=\"$ctype\" src=\"$url\"></source>
3151 </audio>";
3152
3153 } else {
3154
3155 $entry .= "<object type=\"application/x-shockwave-flash\"
3156 data=\"lib/button/musicplayer.swf?song_url=$url\"
3157 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3158 <param name=\"movie\"
3159 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3160 </object>";
3161 }
3162
3163 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3164 href=\"$url\">" . basename($url) . "</a>";
3165
3166 return $entry;
3167
3168 }
3169
3170 return "";
3171
3172 /* $filename = substr($url, strrpos($url, "/")+1);
3173
3174 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3175 $filename . " (" . $ctype . ")" . "</a>"; */
3176
3177 }
3178
3179 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3180 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3181
3182 $rv = array();
3183
3184 $rv['id'] = $id;
3185
3186 /* we can figure out feed_id from article id anyway, why do we
3187 * pass feed_id here? let's ignore the argument :(*/
3188
3189 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3190 WHERE ref_id = '$id'");
3191
3192 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3193
3194 $rv['feed_id'] = $feed_id;
3195
3196 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3197
3198 if ($mark_as_read) {
3199 $result = db_query("UPDATE ttrss_user_entries
3200 SET unread = false,last_read = NOW()
3201 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3202
3203 ccache_update($feed_id, $owner_uid);
3204 }
3205
3206 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
3207 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3208 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3209 (SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
3210 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3211 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3212 num_comments,
3213 tag_cache,
3214 author,
3215 orig_feed_id,
3216 note
3217 FROM ttrss_entries,ttrss_user_entries
3218 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3219
3220 if ($result) {
3221
3222 $line = db_fetch_assoc($result);
3223
3224 $tag_cache = $line["tag_cache"];
3225
3226 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3227 unset($line["tag_cache"]);
3228
3229 $line["content"] = sanitize($line["content"],
3230 sql_bool_to_bool($line['hide_images']),
3231 $owner_uid, $line["site_url"], false, $line["id"]);
3232
3233 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3234 $line = $p->hook_render_article($line);
3235 }
3236
3237 $num_comments = $line["num_comments"];
3238 $entry_comments = "";
3239
3240 if ($num_comments > 0) {
3241 if ($line["comments"]) {
3242 $comments_url = htmlspecialchars($line["comments"]);
3243 } else {
3244 $comments_url = htmlspecialchars($line["link"]);
3245 }
3246 $entry_comments = "<a class=\"postComments\"
3247 target='_blank' href=\"$comments_url\">$num_comments ".
3248 _ngettext("comment", "comments", $num_comments)."</a>";
3249
3250 } else {
3251 if ($line["comments"] && $line["link"] != $line["comments"]) {
3252 $entry_comments = "<a class=\"postComments\" target='_blank' href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
3253 }
3254 }
3255
3256 if ($zoom_mode) {
3257 header("Content-Type: text/html");
3258 $rv['content'] .= "<html><head>
3259 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3260 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3261 <link rel=\"stylesheet\" type=\"text/css\" href=\"css/tt-rss.css\">
3262 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
3263 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
3264
3265 <script type=\"text/javascript\">
3266 function openSelectedAttachment(elem) {
3267 try {
3268 var url = elem[elem.selectedIndex].value;
3269
3270 if (url) {
3271 window.open(url);
3272 elem.selectedIndex = 0;
3273 }
3274
3275 } catch (e) {
3276 exception_error(\"openSelectedAttachment\", e);
3277 }
3278 }
3279 </script>
3280 </head><body id=\"ttrssZoom\">";
3281 }
3282
3283 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3284
3285 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3286
3287 $entry_author = $line["author"];
3288
3289 if ($entry_author) {
3290 $entry_author = __(" - ") . $entry_author;
3291 }
3292
3293 $parsed_updated = make_local_datetime($line["updated"], true,
3294 $owner_uid, true);
3295
3296 if (!$zoom_mode)
3297 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3298
3299 if ($line["link"]) {
3300 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3301 title=\"".htmlspecialchars($line['title'])."\"
3302 href=\"" .
3303 htmlspecialchars($line["link"]) . "\">" .
3304 $line["title"] . "</a>" .
3305 "<span class='author'>$entry_author</span></div>";
3306 } else {
3307 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3308 }
3309
3310 if ($zoom_mode) {
3311 $feed_title = "<a href=\"".htmlspecialchars($line["site_url"]).
3312 "\" target=\"_blank\">".
3313 htmlspecialchars($line["feed_title"])."</a>";
3314
3315 $rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
3316
3317 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3318 }
3319
3320 $tags_str = format_tags_string($line["tags"], $id);
3321 $tags_str_full = join(", ", $line["tags"]);
3322
3323 if (!$tags_str_full) $tags_str_full = __("no tags");
3324
3325 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3326
3327 $rv['content'] .= "<div class='postTags' style='float : right'>
3328 <img src='images/tag.png'
3329 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3330
3331 if (!$zoom_mode) {
3332 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3333 <a title=\"".__('Edit tags for this article')."\"
3334 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3335
3336 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3337 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3338 position=\"below\">$tags_str_full</div>";
3339
3340 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3341 $rv['content'] .= $p->hook_article_button($line);
3342 }
3343
3344 } else {
3345 $tags_str = strip_tags($tags_str);
3346 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3347 }
3348 $rv['content'] .= "</div>";
3349 $rv['content'] .= "<div clear='both'>";
3350
3351 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3352 $rv['content'] .= $p->hook_article_left_button($line);
3353 }
3354
3355 $rv['content'] .= "$entry_comments</div>";
3356
3357 if ($line["orig_feed_id"]) {
3358
3359 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3360 WHERE id = ".$line["orig_feed_id"]);
3361
3362 if (db_num_rows($tmp_result) != 0) {
3363
3364 $rv['content'] .= "<div clear='both'>";
3365 $rv['content'] .= __("Originally from:");
3366
3367 $rv['content'] .= "&nbsp;";
3368
3369 $tmp_line = db_fetch_assoc($tmp_result);
3370
3371 $rv['content'] .= "<a target='_blank'
3372 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3373 $tmp_line['title'] . "</a>";
3374
3375 $rv['content'] .= "&nbsp;";
3376
3377 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3378 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3379
3380 $rv['content'] .= "</div>";
3381 }
3382 }
3383
3384 $rv['content'] .= "</div>";
3385
3386 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3387 if ($line['note']) {
3388 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3389 }
3390 $rv['content'] .= "</div>";
3391
3392 if (!$line['lang']) $line['lang'] = 'en';
3393
3394 $rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
3395
3396 $rv['content'] .= $line["content"];
3397 $rv['content'] .= format_article_enclosures($id,
3398 sql_bool_to_bool($line["always_display_enclosures"]),
3399 $line["content"],
3400 sql_bool_to_bool($line["hide_images"]));
3401
3402 $rv['content'] .= "</div>";
3403
3404 $rv['content'] .= "</div>";
3405
3406 }
3407
3408 if ($zoom_mode) {
3409 $rv['content'] .= "
3410 <div class='footer'>
3411 <button onclick=\"return window.close()\">".
3412 __("Close this window")."</button></div>";
3413 $rv['content'] .= "</body></html>";
3414 }
3415
3416 return $rv;
3417
3418 }
3419
3420 function print_checkpoint($n, $s) {
3421 $ts = microtime(true);
3422 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3423 return $ts;
3424 }
3425
3426 function sanitize_tag($tag) {
3427 $tag = trim($tag);
3428
3429 $tag = mb_strtolower($tag, 'utf-8');
3430
3431 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3432
3433 // $tag = str_replace('"', "", $tag);
3434 // $tag = str_replace("+", " ", $tag);
3435 $tag = str_replace("technorati tag: ", "", $tag);
3436
3437 return $tag;
3438 }
3439
3440 function get_self_url_prefix() {
3441 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3442 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3443 } else {
3444 return SELF_URL_PATH;
3445 }
3446 }
3447
3448 /**
3449 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3450 *
3451 * @return string The Mozilla Firefox feed adding URL.
3452 */
3453 function add_feed_url() {
3454 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3455
3456 $url_path = get_self_url_prefix() .
3457 "/public.php?op=subscribe&feed_url=%s";
3458 return $url_path;
3459 } // function add_feed_url
3460
3461 function encrypt_password($pass, $salt = '', $mode2 = false) {
3462 if ($salt && $mode2) {
3463 return "MODE2:" . hash('sha256', $salt . $pass);
3464 } else if ($salt) {
3465 return "SHA1X:" . sha1("$salt:$pass");
3466 } else {
3467 return "SHA1:" . sha1($pass);
3468 }
3469 } // function encrypt_password
3470
3471 function load_filters($feed_id, $owner_uid, $action_id = false) {
3472 $filters = array();
3473
3474 $cat_id = (int)getFeedCategory($feed_id);
3475
3476 if ($cat_id == 0)
3477 $null_cat_qpart = "cat_id IS NULL OR";
3478 else
3479 $null_cat_qpart = "";
3480
3481 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3482 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3483
3484 $check_cats = join(",", array_merge(
3485 getParentCategories($cat_id, $owner_uid),
3486 array($cat_id)));
3487
3488 while ($line = db_fetch_assoc($result)) {
3489 $filter_id = $line["id"];
3490
3491 $result2 = db_query("SELECT
3492 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3493 FROM ttrss_filters2_rules AS r,
3494 ttrss_filter_types AS t
3495 WHERE
3496 ($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats)) AND
3497 (feed_id IS NULL OR feed_id = '$feed_id') AND
3498 filter_type = t.id AND filter_id = '$filter_id'");
3499
3500 $rules = array();
3501 $actions = array();
3502
3503 while ($rule_line = db_fetch_assoc($result2)) {
3504 # print_r($rule_line);
3505
3506 $rule = array();
3507 $rule["reg_exp"] = $rule_line["reg_exp"];
3508 $rule["type"] = $rule_line["type_name"];
3509 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3510
3511 array_push($rules, $rule);
3512 }
3513
3514 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3515 FROM ttrss_filters2_actions AS a,
3516 ttrss_filter_actions AS t
3517 WHERE
3518 action_id = t.id AND filter_id = '$filter_id'");
3519
3520 while ($action_line = db_fetch_assoc($result2)) {
3521 # print_r($action_line);
3522
3523 $action = array();
3524 $action["type"] = $action_line["type_name"];
3525 $action["param"] = $action_line["action_param"];
3526
3527 array_push($actions, $action);
3528 }
3529
3530
3531 $filter = array();
3532 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3533 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3534 $filter["rules"] = $rules;
3535 $filter["actions"] = $actions;
3536
3537 if (count($rules) > 0 && count($actions) > 0) {
3538 array_push($filters, $filter);
3539 }
3540 }
3541
3542 return $filters;
3543 }
3544
3545 function get_score_pic($score) {
3546 if ($score > 100) {
3547 return "score_high.png";
3548 } else if ($score > 0) {
3549 return "score_half_high.png";
3550 } else if ($score < -100) {
3551 return "score_low.png";
3552 } else if ($score < 0) {
3553 return "score_half_low.png";
3554 } else {
3555 return "score_neutral.png";
3556 }
3557 }
3558
3559 function feed_has_icon($id) {
3560 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3561 }
3562
3563 function init_plugins() {
3564 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3565
3566 return true;
3567 }
3568
3569 function format_tags_string($tags, $id) {
3570 if (!is_array($tags) || count($tags) == 0) {
3571 return __("no tags");
3572 } else {
3573 $maxtags = min(5, count($tags));
3574
3575 for ($i = 0; $i < $maxtags; $i++) {
3576 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."')\">" . $tags[$i] . "</a>, ";
3577 }
3578
3579 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3580
3581 if (count($tags) > $maxtags)
3582 $tags_str .= ", &hellip;";
3583
3584 return $tags_str;
3585 }
3586 }
3587
3588 function format_article_labels($labels, $id) {
3589
3590 if (!is_array($labels)) return '';
3591
3592 $labels_str = "";
3593
3594 foreach ($labels as $l) {
3595 $labels_str .= sprintf("<span class='hlLabelRef'
3596 style='color : %s; background-color : %s'>%s</span>",
3597 $l[2], $l[3], $l[1]);
3598 }
3599
3600 return $labels_str;
3601
3602 }
3603
3604 function format_article_note($id, $note, $allow_edit = true) {
3605
3606 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3607 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3608 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3609
3610 return $str;
3611 }
3612
3613
3614 function get_feed_category($feed_cat, $parent_cat_id = false) {
3615 if ($parent_cat_id) {
3616 $parent_qpart = "parent_cat = '$parent_cat_id'";
3617 $parent_insert = "'$parent_cat_id'";
3618 } else {
3619 $parent_qpart = "parent_cat IS NULL";
3620 $parent_insert = "NULL";
3621 }
3622
3623 $result = db_query(
3624 "SELECT id FROM ttrss_feed_categories
3625 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3626
3627 if (db_num_rows($result) == 0) {
3628 return false;
3629 } else {
3630 return db_fetch_result($result, 0, "id");
3631 }
3632 }
3633
3634 function add_feed_category($feed_cat, $parent_cat_id = false) {
3635
3636 if (!$feed_cat) return false;
3637
3638 db_query("BEGIN");
3639
3640 if ($parent_cat_id) {
3641 $parent_qpart = "parent_cat = '$parent_cat_id'";
3642 $parent_insert = "'$parent_cat_id'";
3643 } else {
3644 $parent_qpart = "parent_cat IS NULL";
3645 $parent_insert = "NULL";
3646 }
3647
3648 $feed_cat = mb_substr($feed_cat, 0, 250);
3649
3650 $result = db_query(
3651 "SELECT id FROM ttrss_feed_categories
3652 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3653
3654 if (db_num_rows($result) == 0) {
3655
3656 $result = db_query(
3657 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3658 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3659
3660 db_query("COMMIT");
3661
3662 return true;
3663 }
3664
3665 return false;
3666 }
3667
3668 function getArticleFeed($id) {
3669 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3670 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3671
3672 if (db_num_rows($result) != 0) {
3673 return db_fetch_result($result, 0, "feed_id");
3674 } else {
3675 return 0;
3676 }
3677 }
3678
3679 /**
3680 * Fixes incomplete URLs by prepending "http://".
3681 * Also replaces feed:// with http://, and
3682 * prepends a trailing slash if the url is a domain name only.
3683 *
3684 * @param string $url Possibly incomplete URL
3685 *
3686 * @return string Fixed URL.
3687 */
3688 function fix_url($url) {
3689 if (strpos($url, '://') === false) {
3690 $url = 'http://' . $url;
3691 } else if (substr($url, 0, 5) == 'feed:') {
3692 $url = 'http:' . substr($url, 5);
3693 }
3694
3695 //prepend slash if the URL has no slash in it
3696 // "http://www.example" -> "http://www.example/"
3697 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3698 $url .= '/';
3699 }
3700
3701 if ($url != "http:///")
3702 return $url;
3703 else
3704 return '';
3705 }
3706
3707 function validate_feed_url($url) {
3708 $parts = parse_url($url);
3709
3710 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3711
3712 }
3713
3714 function get_article_enclosures($id) {
3715
3716 $query = "SELECT * FROM ttrss_enclosures
3717 WHERE post_id = '$id' AND content_url != ''";
3718
3719 $rv = array();
3720
3721 $result = db_query($query);
3722
3723 if (db_num_rows($result) > 0) {
3724 while ($line = db_fetch_assoc($result)) {
3725 array_push($rv, $line);
3726 }
3727 }
3728
3729 return $rv;
3730 }
3731
3732 function save_email_address($email) {
3733 // FIXME: implement persistent storage of emails
3734
3735 if (!$_SESSION['stored_emails'])
3736 $_SESSION['stored_emails'] = array();
3737
3738 if (!in_array($email, $_SESSION['stored_emails']))
3739 array_push($_SESSION['stored_emails'], $email);
3740 }
3741
3742
3743 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3744
3745 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3746
3747 $sql_is_cat = bool_to_sql_bool($is_cat);
3748
3749 $result = db_query("SELECT access_key FROM ttrss_access_keys
3750 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3751 AND owner_uid = " . $owner_uid);
3752
3753 if (db_num_rows($result) == 1) {
3754 return db_fetch_result($result, 0, "access_key");
3755 } else {
3756 $key = db_escape_string(uniqid(base_convert(rand(), 10, 36)));
3757
3758 $result = db_query("INSERT INTO ttrss_access_keys
3759 (access_key, feed_id, is_cat, owner_uid)
3760 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3761
3762 return $key;
3763 }
3764 return false;
3765 }
3766
3767 function get_feeds_from_html($url, $content)
3768 {
3769 $url = fix_url($url);
3770 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3771
3772 libxml_use_internal_errors(true);
3773
3774 $doc = new DOMDocument();
3775 $doc->loadHTML($content);
3776 $xpath = new DOMXPath($doc);
3777 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3778 $feedUrls = array();
3779 foreach ($entries as $entry) {
3780 if ($entry->hasAttribute('href')) {
3781 $title = $entry->getAttribute('title');
3782 if ($title == '') {
3783 $title = $entry->getAttribute('type');
3784 }
3785 $feedUrl = rewrite_relative_url(
3786 $baseUrl, $entry->getAttribute('href')
3787 );
3788 $feedUrls[$feedUrl] = $title;
3789 }
3790 }
3791 return $feedUrls;
3792 }
3793
3794 function is_html($content) {
3795 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3796 }
3797
3798 function url_is_html($url, $login = false, $pass = false) {
3799 return is_html(fetch_file_contents($url, false, $login, $pass));
3800 }
3801
3802 function print_label_select($name, $value, $attributes = "") {
3803
3804 $result = db_query("SELECT caption FROM ttrss_labels2
3805 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3806
3807 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3808 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3809
3810 while ($line = db_fetch_assoc($result)) {
3811
3812 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3813
3814 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3815 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3816
3817 }
3818
3819 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3820
3821 print "</select>";
3822
3823
3824 }
3825
3826 function format_article_enclosures($id, $always_display_enclosures,
3827 $article_content, $hide_images = false) {
3828
3829 $result = get_article_enclosures($id);
3830 $rv = '';
3831
3832 if (count($result) > 0) {
3833
3834 $entries_html = array();
3835 $entries = array();
3836 $entries_inline = array();
3837
3838 foreach ($result as $line) {
3839
3840 $url = $line["content_url"];
3841 $ctype = $line["content_type"];
3842 $title = $line["title"];
3843
3844 if (!$ctype) $ctype = __("unknown type");
3845
3846 $filename = substr($url, strrpos($url, "/")+1);
3847
3848 $player = format_inline_player($url, $ctype);
3849
3850 if ($player) array_push($entries_inline, $player);
3851
3852 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3853 # $filename . " (" . $ctype . ")" . "</a>";
3854
3855 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3856 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3857
3858 array_push($entries_html, $entry);
3859
3860 $entry = array();
3861
3862 $entry["type"] = $ctype;
3863 $entry["filename"] = $filename;
3864 $entry["url"] = $url;
3865 $entry["title"] = $title;
3866
3867 array_push($entries, $entry);
3868 }
3869
3870 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3871 if ($always_display_enclosures ||
3872 !preg_match("/<img/i", $article_content)) {
3873
3874 foreach ($entries as $entry) {
3875
3876 if (preg_match("/image/", $entry["type"]) ||
3877 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3878
3879 if (!$hide_images) {
3880 $rv .= "<p><img
3881 alt=\"".htmlspecialchars($entry["filename"])."\"
3882 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3883 } else {
3884 $rv .= "<p><a target=\"_blank\"
3885 href=\"".htmlspecialchars($entry["url"])."\"
3886 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3887 }
3888
3889 if ($entry['title']) {
3890 $rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
3891 }
3892 }
3893 }
3894 }
3895 }
3896
3897 if (count($entries_inline) > 0) {
3898 $rv .= "<hr clear='both'/>";
3899 foreach ($entries_inline as $entry) { $rv .= $entry; };
3900 $rv .= "<hr clear='both'/>";
3901 }
3902
3903 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3904 "<option value=''>" . __('Attachments')."</option>";
3905
3906 foreach ($entries as $entry) {
3907 if ($entry["title"])
3908 $title = "&mdash; " . truncate_string($entry["title"], 30);
3909 else
3910 $title = "";
3911
3912 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "$title</option>";
3913
3914 };
3915
3916 $rv .= "</select>";
3917 }
3918
3919 return $rv;
3920 }
3921
3922 function getLastArticleId() {
3923 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3924 WHERE owner_uid = " . $_SESSION["uid"]);
3925
3926 if (db_num_rows($result) == 1) {
3927 return db_fetch_result($result, 0, "id");
3928 } else {
3929 return -1;
3930 }
3931 }
3932
3933 function build_url($parts) {
3934 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3935 }
3936
3937 /**
3938 * Converts a (possibly) relative URL to a absolute one.
3939 *
3940 * @param string $url Base URL (i.e. from where the document is)
3941 * @param string $rel_url Possibly relative URL in the document
3942 *
3943 * @return string Absolute URL
3944 */
3945 function rewrite_relative_url($url, $rel_url) {
3946 if (strpos($rel_url, ":") !== false) {
3947 return $rel_url;
3948 } else if (strpos($rel_url, "://") !== false) {
3949 return $rel_url;
3950 } else if (strpos($rel_url, "//") === 0) {
3951 # protocol-relative URL (rare but they exist)
3952 return $rel_url;
3953 } else if (strpos($rel_url, "/") === 0)
3954 {
3955 $parts = parse_url($url);
3956 $parts['path'] = $rel_url;
3957
3958 return build_url($parts);
3959
3960 } else {
3961 $parts = parse_url($url);
3962 if (!isset($parts['path'])) {
3963 $parts['path'] = '/';
3964 }
3965 $dir = $parts['path'];
3966 if (substr($dir, -1) !== '/') {
3967 $dir = dirname($parts['path']);
3968 $dir !== '/' && $dir .= '/';
3969 }
3970 $parts['path'] = $dir . $rel_url;
3971
3972 return build_url($parts);
3973 }
3974 }
3975
3976 function sphinx_search($query, $offset = 0, $limit = 30) {
3977 require_once 'lib/sphinxapi.php';
3978
3979 $sphinxClient = new SphinxClient();
3980
3981 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3982
3983 $sphinxClient->SetServer($sphinxpair[0], (int)$sphinxpair[1]);
3984 $sphinxClient->SetConnectTimeout(1);
3985
3986 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3987 'feed_title' => 20));
3988
3989 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3990 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3991 $sphinxClient->SetLimits($offset, $limit, 1000);
3992 $sphinxClient->SetArrayResult(false);
3993 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3994
3995 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3996
3997 $ids = array();
3998
3999 if (is_array($result['matches'])) {
4000 foreach (array_keys($result['matches']) as $int_id) {
4001 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4002 array_push($ids, $ref_id);
4003 }
4004 }
4005
4006 return $ids;
4007 }
4008
4009 function cleanup_tags($days = 14, $limit = 1000) {
4010
4011 if (DB_TYPE == "pgsql") {
4012 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4013 } else if (DB_TYPE == "mysql") {
4014 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4015 }
4016
4017 $tags_deleted = 0;
4018
4019 while ($limit > 0) {
4020 $limit_part = 500;
4021
4022 $query = "SELECT ttrss_tags.id AS id
4023 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4024 WHERE post_int_id = int_id AND $interval_query AND
4025 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4026
4027 $result = db_query($query);
4028
4029 $ids = array();
4030
4031 while ($line = db_fetch_assoc($result)) {
4032 array_push($ids, $line['id']);
4033 }
4034
4035 if (count($ids) > 0) {
4036 $ids = join(",", $ids);
4037
4038 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
4039 $tags_deleted += db_affected_rows($tmp_result);
4040 } else {
4041 break;
4042 }
4043
4044 $limit -= $limit_part;
4045 }
4046
4047 return $tags_deleted;
4048 }
4049
4050 function print_user_stylesheet() {
4051 $value = get_pref('USER_STYLESHEET');
4052
4053 if ($value) {
4054 print "<style type=\"text/css\">";
4055 print str_replace("<br/>", "\n", $value);
4056 print "</style>";
4057 }
4058
4059 }
4060
4061 function filter_to_sql($filter, $owner_uid) {
4062 $query = array();
4063
4064 if (DB_TYPE == "pgsql")
4065 $reg_qpart = "~";
4066 else
4067 $reg_qpart = "REGEXP";
4068
4069 foreach ($filter["rules"] AS $rule) {
4070 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
4071 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
4072 $rule['reg_exp']) !== FALSE;
4073
4074 if ($regexp_valid) {
4075
4076 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
4077
4078 switch ($rule["type"]) {
4079 case "title":
4080 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4081 $rule['reg_exp'] . "')";
4082 break;
4083 case "content":
4084 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
4085 $rule['reg_exp'] . "')";
4086 break;
4087 case "both":
4088 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4089 $rule['reg_exp'] . "') OR LOWER(" .
4090 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
4091 break;
4092 case "tag":
4093 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
4094 $rule['reg_exp'] . "')";
4095 break;
4096 case "link":
4097 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
4098 $rule['reg_exp'] . "')";
4099 break;
4100 case "author":
4101 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
4102 $rule['reg_exp'] . "')";
4103 break;
4104 }
4105
4106 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
4107
4108 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
4109 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
4110 }
4111
4112 if (isset($rule["cat_id"])) {
4113
4114 if ($rule["cat_id"] > 0) {
4115 $children = getChildCategories($rule["cat_id"], $owner_uid);
4116 array_push($children, $rule["cat_id"]);
4117
4118 $children = join(",", $children);
4119
4120 $cat_qpart = "cat_id IN ($children)";
4121 } else {
4122 $cat_qpart = "cat_id IS NULL";
4123 }
4124
4125 $qpart .= " AND $cat_qpart";
4126 }
4127
4128 $qpart .= " AND feed_id IS NOT NULL";
4129
4130 array_push($query, "($qpart)");
4131
4132 }
4133 }
4134
4135 if (count($query) > 0) {
4136 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4137 } else {
4138 $fullquery = "(false)";
4139 }
4140
4141 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4142
4143 return $fullquery;
4144 }
4145
4146 if (!function_exists('gzdecode')) {
4147 function gzdecode($string) { // no support for 2nd argument
4148 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4149 base64_encode($string));
4150 }
4151 }
4152
4153 function get_random_bytes($length) {
4154 if (function_exists('openssl_random_pseudo_bytes')) {
4155 return openssl_random_pseudo_bytes($length);
4156 } else {
4157 $output = "";
4158
4159 for ($i = 0; $i < $length; $i++)
4160 $output .= chr(mt_rand(0, 255));
4161
4162 return $output;
4163 }
4164 }
4165
4166 function read_stdin() {
4167 $fp = fopen("php://stdin", "r");
4168
4169 if ($fp) {
4170 $line = trim(fgets($fp));
4171 fclose($fp);
4172 return $line;
4173 }
4174
4175 return null;
4176 }
4177
4178 function tmpdirname($path, $prefix) {
4179 // Use PHP's tmpfile function to create a temporary
4180 // directory name. Delete the file and keep the name.
4181 $tempname = tempnam($path,$prefix);
4182 if (!$tempname)
4183 return false;
4184
4185 if (!unlink($tempname))
4186 return false;
4187
4188 return $tempname;
4189 }
4190
4191 function getFeedCategory($feed) {
4192 $result = db_query("SELECT cat_id FROM ttrss_feeds
4193 WHERE id = '$feed'");
4194
4195 if (db_num_rows($result) > 0) {
4196 return db_fetch_result($result, 0, "cat_id");
4197 } else {
4198 return false;
4199 }
4200
4201 }
4202
4203 function implements_interface($class, $interface) {
4204 return in_array($interface, class_implements($class));
4205 }
4206
4207 function geturl($url, $depth = 0){
4208
4209 if ($depth == 20) return $url;
4210
4211 if (!function_exists('curl_init'))
4212 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);
4213
4214 $curl = curl_init();
4215 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4216 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4217 $header[] = "Cache-Control: max-age=0";
4218 $header[] = "Connection: keep-alive";
4219 $header[] = "Keep-Alive: 300";
4220 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4221 $header[] = "Accept-Language: en-us,en;q=0.5";
4222 $header[] = "Pragma: ";
4223
4224 curl_setopt($curl, CURLOPT_URL, $url);
4225 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4226 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4227 curl_setopt($curl, CURLOPT_HEADER, true);
4228 curl_setopt($curl, CURLOPT_REFERER, $url);
4229 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4230 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4231 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4232 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4233 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4234 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
4235
4236 if (defined('_CURL_HTTP_PROXY')) {
4237 curl_setopt($curl, CURLOPT_PROXY, _CURL_HTTP_PROXY);
4238 }
4239
4240 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
4241 curl_setopt($curl, CURLOPT_SSLVERSION, 3);
4242 }
4243
4244 $html = curl_exec($curl);
4245
4246 $status = curl_getinfo($curl);
4247
4248 if($status['http_code']!=200){
4249 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4250 curl_close($curl);
4251 list($header) = explode("\r\n\r\n", $html, 2);
4252 $matches = array();
4253 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4254 $url = trim(str_replace($matches[1],"",$matches[0]));
4255 $url_parsed = parse_url($url);
4256 return (isset($url_parsed))? geturl($url, $depth + 1):'';
4257 }
4258
4259 global $fetch_last_error;
4260
4261 $fetch_last_error = curl_errno($curl) . " " . curl_error($curl);
4262 curl_close($curl);
4263
4264 $oline='';
4265 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4266 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4267 # $handle = @fopen('./curl.error.log', 'a');
4268 # fwrite($handle, $line);
4269 return FALSE;
4270 }
4271 curl_close($curl);
4272 return $url;
4273 }
4274
4275 function get_minified_js($files) {
4276 require_once 'lib/jshrink/Minifier.php';
4277
4278 $rv = '';
4279
4280 foreach ($files as $js) {
4281 if (!isset($_GET['debug'])) {
4282 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4283
4284 if (file_exists($cached_file) &&
4285 is_readable($cached_file) &&
4286 filemtime($cached_file) >= filemtime("js/$js.js")) {
4287
4288 $rv .= file_get_contents($cached_file);
4289
4290 } else {
4291 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4292 file_put_contents($cached_file, $minified);
4293 $rv .= $minified;
4294 }
4295 } else {
4296 $rv .= file_get_contents("js/$js.js");
4297 }
4298 }
4299
4300 return $rv;
4301 }
4302
4303 function stylesheet_tag($filename) {
4304 $timestamp = filemtime($filename);
4305
4306 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4307 }
4308
4309 function javascript_tag($filename) {
4310 $query = "";
4311
4312 if (!(strpos($filename, "?") === FALSE)) {
4313 $query = substr($filename, strpos($filename, "?")+1);
4314 $filename = substr($filename, 0, strpos($filename, "?"));
4315 }
4316
4317 $timestamp = filemtime($filename);
4318
4319 if ($query) $timestamp .= "&$query";
4320
4321 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4322 }
4323
4324 function calculate_dep_timestamp() {
4325 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
4326
4327 $max_ts = -1;
4328
4329 foreach ($files as $file) {
4330 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4331 }
4332
4333 return $max_ts;
4334 }
4335
4336 function T_js_decl($s1, $s2) {
4337 if ($s1 && $s2) {
4338 $s1 = preg_replace("/\n/", "", $s1);
4339 $s2 = preg_replace("/\n/", "", $s2);
4340
4341 $s1 = preg_replace("/\"/", "\\\"", $s1);
4342 $s2 = preg_replace("/\"/", "\\\"", $s2);
4343
4344 return "T_messages[\"$s1\"] = \"$s2\";\n";
4345 }
4346 }
4347
4348 function init_js_translations() {
4349
4350 print 'var T_messages = new Object();
4351
4352 function __(msg) {
4353 if (T_messages[msg]) {
4354 return T_messages[msg];
4355 } else {
4356 return msg;
4357 }
4358 }
4359
4360 function ngettext(msg1, msg2, n) {
4361 return __((parseInt(n) > 1) ? msg2 : msg1);
4362 }';
4363
4364 $l10n = _get_reader();
4365
4366 for ($i = 0; $i < $l10n->total; $i++) {
4367 $orig = $l10n->get_original_string($i);
4368 if(strpos($orig, "\000") !== FALSE) { // Plural forms
4369 $key = explode(chr(0), $orig);
4370 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
4371 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
4372 } else {
4373 $translation = __($orig);
4374 print T_js_decl($orig, $translation);
4375 }
4376 }
4377 }
4378
4379 function label_to_feed_id($label) {
4380 return LABEL_BASE_INDEX - 1 - abs($label);
4381 }
4382
4383 function feed_to_label_id($feed) {
4384 return LABEL_BASE_INDEX - 1 + abs($feed);
4385 }
4386
4387 function format_libxml_error($error) {
4388 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4389 $error->code, $error->line, $error->column,
4390 $error->message);
4391 }
4392
4393 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/