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Add Traditional Chinese Option
[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 "zh_TW" => "Traditional Chinese",
83 "sv_SE" => "Svenska",
84 "fi_FI" => "Suomi",
85 "tr_TR" => "Türkçe");
86
87 return $tr;
88 }
89
90 require_once "lib/accept-to-gettext.php";
91 require_once "lib/gettext/gettext.inc";
92
93 require_once "lib/languagedetect/LanguageDetect.php";
94
95 function startup_gettext() {
96
97 # Get locale from Accept-Language header
98 $lang = al2gt(array_keys(get_translations()), "text/html");
99
100 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
101 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
102 }
103
104 if ($_SESSION["uid"] && get_schema_version() >= 120) {
105 $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
106
107 if ($pref_lang && $pref_lang != 'auto') {
108 $lang = $pref_lang;
109 }
110 }
111
112 if ($lang) {
113 if (defined('LC_MESSAGES')) {
114 _setlocale(LC_MESSAGES, $lang);
115 } else if (defined('LC_ALL')) {
116 _setlocale(LC_ALL, $lang);
117 }
118
119 _bindtextdomain("messages", "locale");
120
121 _textdomain("messages");
122 _bind_textdomain_codeset("messages", "UTF-8");
123 }
124 }
125
126 require_once 'db-prefs.php';
127 require_once 'version.php';
128 require_once 'ccache.php';
129 require_once 'labels.php';
130
131 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
132 ini_set('user_agent', SELF_USER_AGENT);
133
134 require_once 'lib/pubsubhubbub/publisher.php';
135
136 $schema_version = false;
137
138 function _debug_suppress($suppress) {
139 global $suppress_debugging;
140
141 $suppress_debugging = $suppress;
142 }
143
144 /**
145 * Print a timestamped debug message.
146 *
147 * @param string $msg The debug message.
148 * @return void
149 */
150 function _debug($msg, $show = true) {
151 global $suppress_debugging;
152
153 //echo "[$suppress_debugging] $msg $show\n";
154
155 if ($suppress_debugging) return false;
156
157 $ts = strftime("%H:%M:%S", time());
158 if (function_exists('posix_getpid')) {
159 $ts = "$ts/" . posix_getpid();
160 }
161
162 if ($show && !(defined('QUIET') && QUIET)) {
163 print "[$ts] $msg\n";
164 }
165
166 if (defined('LOGFILE')) {
167 $fp = fopen(LOGFILE, 'a+');
168
169 if ($fp) {
170 $locked = false;
171
172 if (function_exists("flock")) {
173 $tries = 0;
174
175 // try to lock logfile for writing
176 while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
177 sleep(1);
178 ++$tries;
179 }
180
181 if (!$locked) {
182 fclose($fp);
183 return;
184 }
185 }
186
187 fputs($fp, "[$ts] $msg\n");
188
189 if (function_exists("flock")) {
190 flock($fp, LOCK_UN);
191 }
192
193 fclose($fp);
194 }
195 }
196
197 } // function _debug
198
199 /**
200 * Purge a feed old posts.
201 *
202 * @param mixed $link A database connection.
203 * @param mixed $feed_id The id of the purged feed.
204 * @param mixed $purge_interval Olderness of purged posts.
205 * @param boolean $debug Set to True to enable the debug. False by default.
206 * @access public
207 * @return void
208 */
209 function purge_feed($feed_id, $purge_interval, $debug = false) {
210
211 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
212
213 $rows = -1;
214
215 $result = db_query(
216 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
217
218 $owner_uid = false;
219
220 if (db_num_rows($result) == 1) {
221 $owner_uid = db_fetch_result($result, 0, "owner_uid");
222 }
223
224 if ($purge_interval == -1 || !$purge_interval) {
225 if ($owner_uid) {
226 ccache_update($feed_id, $owner_uid);
227 }
228 return;
229 }
230
231 if (!$owner_uid) return;
232
233 if (FORCE_ARTICLE_PURGE == 0) {
234 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
235 $owner_uid, false);
236 } else {
237 $purge_unread = true;
238 $purge_interval = FORCE_ARTICLE_PURGE;
239 }
240
241 if (!$purge_unread) $query_limit = " unread = false AND ";
242
243 if (DB_TYPE == "pgsql") {
244 $pg_version = get_pgsql_version();
245
246 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
247
248 $result = db_query("DELETE FROM ttrss_user_entries WHERE
249 ttrss_entries.id = ref_id AND
250 marked = false AND
251 feed_id = '$feed_id' AND
252 $query_limit
253 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
254
255 } else {
256
257 $result = db_query("DELETE FROM ttrss_user_entries
258 USING ttrss_entries
259 WHERE ttrss_entries.id = ref_id AND
260 marked = false AND
261 feed_id = '$feed_id' AND
262 $query_limit
263 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
264 }
265
266 } else {
267
268 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
269 marked = false AND feed_id = '$feed_id' AND
270 (SELECT date_updated FROM ttrss_entries WHERE
271 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
272
273 $result = db_query("DELETE FROM ttrss_user_entries
274 USING ttrss_user_entries, ttrss_entries
275 WHERE ttrss_entries.id = ref_id AND
276 marked = false AND
277 feed_id = '$feed_id' AND
278 $query_limit
279 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
280 }
281
282 $rows = db_affected_rows($result);
283
284 ccache_update($feed_id, $owner_uid);
285
286 if ($debug) {
287 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
288 }
289
290 return $rows;
291 } // function purge_feed
292
293 function feed_purge_interval($feed_id) {
294
295 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
296 WHERE id = '$feed_id'");
297
298 if (db_num_rows($result) == 1) {
299 $purge_interval = db_fetch_result($result, 0, "purge_interval");
300 $owner_uid = db_fetch_result($result, 0, "owner_uid");
301
302 if ($purge_interval == 0) $purge_interval = get_pref(
303 'PURGE_OLD_DAYS', $owner_uid);
304
305 return $purge_interval;
306
307 } else {
308 return -1;
309 }
310 }
311
312 function purge_orphans($do_output = false) {
313
314 // purge orphaned posts in main content table
315 $result = db_query("DELETE FROM ttrss_entries WHERE
316 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
317
318 if ($do_output) {
319 $rows = db_affected_rows($result);
320 _debug("Purged $rows orphaned posts.");
321 }
322 }
323
324 function get_feed_update_interval($feed_id) {
325 $result = db_query("SELECT owner_uid, update_interval FROM
326 ttrss_feeds WHERE id = '$feed_id'");
327
328 if (db_num_rows($result) == 1) {
329 $update_interval = db_fetch_result($result, 0, "update_interval");
330 $owner_uid = db_fetch_result($result, 0, "owner_uid");
331
332 if ($update_interval != 0) {
333 return $update_interval;
334 } else {
335 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
336 }
337
338 } else {
339 return -1;
340 }
341 }
342
343 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0, $useragent = false) {
344
345 global $fetch_last_error;
346 global $fetch_last_error_code;
347 global $fetch_last_content_type;
348 global $fetch_curl_used;
349
350 $url = str_replace(' ', '%20', $url);
351
352 if (!defined('NO_CURL') && function_exists('curl_init')) {
353
354 $fetch_curl_used = true;
355
356 if (ini_get("safe_mode") || ini_get("open_basedir")) {
357 $new_url = geturl($url);
358 if (!$new_url) {
359 // geturl has already populated $fetch_last_error
360 return false;
361 }
362 $ch = curl_init($new_url);
363 } else {
364 $ch = curl_init($url);
365 }
366
367 if ($timestamp && !$post_query) {
368 curl_setopt($ch, CURLOPT_HTTPHEADER,
369 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
370 }
371
372 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
373 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
374 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
375 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
376 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
377 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
378 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
379 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
380 curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
381 SELF_USER_AGENT);
382 curl_setopt($ch, CURLOPT_ENCODING, "");
383 curl_setopt($ch, CURLOPT_REFERER, $url);
384
385 if (!ini_get("safe_mode") && !ini_get("open_basedir")) {
386 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
387 }
388
389 if (defined('_CURL_HTTP_PROXY')) {
390 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
391 }
392
393 if ($post_query) {
394 curl_setopt($ch, CURLOPT_POST, true);
395 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
396 }
397
398 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
399 curl_setopt($ch, CURLOPT_SSLVERSION, 3);
400 }
401
402 if ($login && $pass)
403 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
404
405 $contents = @curl_exec($ch);
406
407 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
408 curl_setopt($ch, CURLOPT_ENCODING, 'none');
409 $contents = @curl_exec($ch);
410 }
411
412 if ($contents === false) {
413 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
414 curl_close($ch);
415 return false;
416 }
417
418 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
419 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
420
421 $fetch_last_error_code = $http_code;
422
423 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
424 if (curl_errno($ch) != 0) {
425 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
426 } else {
427 $fetch_last_error = "HTTP Code: $http_code";
428 }
429 curl_close($ch);
430 return false;
431 }
432
433 curl_close($ch);
434
435 return $contents;
436 } else {
437
438 $fetch_curl_used = false;
439
440 if ($login && $pass){
441 $url_parts = array();
442
443 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
444
445 $pass = urlencode($pass);
446
447 if ($url_parts[1] && $url_parts[2]) {
448 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
449 }
450 }
451
452 if (!$post_query && $timestamp) {
453 $context = stream_context_create(array(
454 'http' => array(
455 'method' => 'GET',
456 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
457 )));
458 } else {
459 $context = NULL;
460 }
461
462 $old_error = error_get_last();
463
464 $data = @file_get_contents($url, false, $context);
465
466 $fetch_last_content_type = false; // reset if no type was sent from server
467 if (isset($http_response_header) && is_array($http_response_header)) {
468 foreach ($http_response_header as $h) {
469 if (substr(strtolower($h), 0, 13) == 'content-type:') {
470 $fetch_last_content_type = substr($h, 14);
471 // don't abort here b/c there might be more than one
472 // e.g. if we were being redirected -- last one is the right one
473 }
474
475 if (substr(strtolower($h), 0, 7) == 'http/1.') {
476 $fetch_last_error_code = (int) substr($h, 9, 3);
477 }
478 }
479 }
480
481 if (!$data) {
482 $error = error_get_last();
483
484 if ($error['message'] != $old_error['message']) {
485 $fetch_last_error = $error["message"];
486 } else {
487 $fetch_last_error = "HTTP Code: $fetch_last_error_code";
488 }
489 }
490 return $data;
491 }
492
493 }
494
495 /**
496 * Try to determine the favicon URL for a feed.
497 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
498 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
499 *
500 * @param string $url A feed or page URL
501 * @access public
502 * @return mixed The favicon URL, or false if none was found.
503 */
504 function get_favicon_url($url) {
505
506 $favicon_url = false;
507
508 if ($html = @fetch_file_contents($url)) {
509
510 libxml_use_internal_errors(true);
511
512 $doc = new DOMDocument();
513 $doc->loadHTML($html);
514 $xpath = new DOMXPath($doc);
515
516 $base = $xpath->query('/html/head/base');
517 foreach ($base as $b) {
518 $url = $b->getAttribute("href");
519 break;
520 }
521
522 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
523 if (count($entries) > 0) {
524 foreach ($entries as $entry) {
525 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
526 break;
527 }
528 }
529 }
530
531 if (!$favicon_url)
532 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
533
534 return $favicon_url;
535 } // function get_favicon_url
536
537 function check_feed_favicon($site_url, $feed) {
538 # print "FAVICON [$site_url]: $favicon_url\n";
539
540 $icon_file = ICONS_DIR . "/$feed.ico";
541
542 if (!file_exists($icon_file)) {
543 $favicon_url = get_favicon_url($site_url);
544
545 if ($favicon_url) {
546 // Limiting to "image" type misses those served with text/plain
547 $contents = fetch_file_contents($favicon_url); // , "image");
548
549 if ($contents) {
550 // Crude image type matching.
551 // Patterns gleaned from the file(1) source code.
552 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
553 // 0 string \000\000\001\000 MS Windows icon resource
554 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
555 }
556 elseif (preg_match('/^GIF8/', $contents)) {
557 // 0 string GIF8 GIF image data
558 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
559 }
560 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
561 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
562 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
563 }
564 elseif (preg_match('/^\xff\xd8/', $contents)) {
565 // 0 beshort 0xffd8 JPEG image data
566 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
567 }
568 else {
569 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
570 $contents = "";
571 }
572 }
573
574 if ($contents) {
575 $fp = @fopen($icon_file, "w");
576
577 if ($fp) {
578 fwrite($fp, $contents);
579 fclose($fp);
580 chmod($icon_file, 0644);
581 }
582 }
583 }
584 return $icon_file;
585 }
586 }
587
588 function print_select($id, $default, $values, $attributes = "") {
589 print "<select name=\"$id\" id=\"$id\" $attributes>";
590 foreach ($values as $v) {
591 if ($v == $default)
592 $sel = "selected=\"1\"";
593 else
594 $sel = "";
595
596 $v = trim($v);
597
598 print "<option value=\"$v\" $sel>$v</option>";
599 }
600 print "</select>";
601 }
602
603 function print_select_hash($id, $default, $values, $attributes = "") {
604 print "<select name=\"$id\" id='$id' $attributes>";
605 foreach (array_keys($values) as $v) {
606 if ($v == $default)
607 $sel = 'selected="selected"';
608 else
609 $sel = "";
610
611 $v = trim($v);
612
613 print "<option $sel value=\"$v\">".$values[$v]."</option>";
614 }
615
616 print "</select>";
617 }
618
619 function print_radio($id, $default, $true_is, $values, $attributes = "") {
620 foreach ($values as $v) {
621
622 if ($v == $default)
623 $sel = "checked";
624 else
625 $sel = "";
626
627 if ($v == $true_is) {
628 $sel .= " value=\"1\"";
629 } else {
630 $sel .= " value=\"0\"";
631 }
632
633 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
634 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
635
636 }
637 }
638
639 function initialize_user_prefs($uid, $profile = false) {
640
641 $uid = db_escape_string($uid);
642
643 if (!$profile) {
644 $profile = "NULL";
645 $profile_qpart = "AND profile IS NULL";
646 } else {
647 $profile_qpart = "AND profile = '$profile'";
648 }
649
650 if (get_schema_version() < 63) $profile_qpart = "";
651
652 db_query("BEGIN");
653
654 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
655
656 $u_result = db_query("SELECT pref_name
657 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
658
659 $active_prefs = array();
660
661 while ($line = db_fetch_assoc($u_result)) {
662 array_push($active_prefs, $line["pref_name"]);
663 }
664
665 while ($line = db_fetch_assoc($result)) {
666 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
667 // print "adding " . $line["pref_name"] . "<br>";
668
669 $line["def_value"] = db_escape_string($line["def_value"]);
670 $line["pref_name"] = db_escape_string($line["pref_name"]);
671
672 if (get_schema_version() < 63) {
673 db_query("INSERT INTO ttrss_user_prefs
674 (owner_uid,pref_name,value) VALUES
675 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
676
677 } else {
678 db_query("INSERT INTO ttrss_user_prefs
679 (owner_uid,pref_name,value, profile) VALUES
680 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
681 }
682
683 }
684 }
685
686 db_query("COMMIT");
687
688 }
689
690 function get_ssl_certificate_id() {
691 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
692 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
693 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
694 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
695 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
696 }
697 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
698 return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
699 $_SERVER["SSL_CLIENT_V_START"] .
700 $_SERVER["SSL_CLIENT_V_END"] .
701 $_SERVER["SSL_CLIENT_S_DN"]);
702 }
703 return "";
704 }
705
706 function authenticate_user($login, $password, $check_only = false) {
707
708 if (!SINGLE_USER_MODE) {
709 $user_id = false;
710
711 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
712
713 $user_id = (int) $plugin->authenticate($login, $password);
714
715 if ($user_id) {
716 $_SESSION["auth_module"] = strtolower(get_class($plugin));
717 break;
718 }
719 }
720
721 if ($user_id && !$check_only) {
722 @session_start();
723
724 $_SESSION["uid"] = $user_id;
725 $_SESSION["version"] = VERSION_STATIC;
726
727 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
728 WHERE id = '$user_id'");
729
730 $_SESSION["name"] = db_fetch_result($result, 0, "login");
731 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
732 $_SESSION["csrf_token"] = uniqid(rand(), true);
733
734 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
735 $_SESSION["uid"]);
736
737 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
738 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
739 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
740
741 $_SESSION["last_version_check"] = time();
742
743 initialize_user_prefs($_SESSION["uid"]);
744
745 return true;
746 }
747
748 return false;
749
750 } else {
751
752 $_SESSION["uid"] = 1;
753 $_SESSION["name"] = "admin";
754 $_SESSION["access_level"] = 10;
755
756 $_SESSION["hide_hello"] = true;
757 $_SESSION["hide_logout"] = true;
758
759 $_SESSION["auth_module"] = false;
760
761 if (!$_SESSION["csrf_token"]) {
762 $_SESSION["csrf_token"] = uniqid(rand(), true);
763 }
764
765 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
766
767 initialize_user_prefs($_SESSION["uid"]);
768
769 return true;
770 }
771 }
772
773 function make_password($length = 8) {
774
775 $password = "";
776 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
777
778 $i = 0;
779
780 while ($i < $length) {
781 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
782
783 if (!strstr($password, $char)) {
784 $password .= $char;
785 $i++;
786 }
787 }
788 return $password;
789 }
790
791 // this is called after user is created to initialize default feeds, labels
792 // or whatever else
793
794 // user preferences are checked on every login, not here
795
796 function initialize_user($uid) {
797
798 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
799 values ('$uid', 'Tiny Tiny RSS: New Releases',
800 'http://tt-rss.org/releases.rss')");
801
802 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
803 values ('$uid', 'Tiny Tiny RSS: Forum',
804 'http://tt-rss.org/forum/rss.php')");
805 }
806
807 function logout_user() {
808 session_destroy();
809 if (isset($_COOKIE[session_name()])) {
810 setcookie(session_name(), '', time()-42000, '/');
811 }
812 }
813
814 function validate_csrf($csrf_token) {
815 return $csrf_token == $_SESSION['csrf_token'];
816 }
817
818 function load_user_plugins($owner_uid) {
819 if ($owner_uid && SCHEMA_VERSION >= 100) {
820 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
821
822 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
823
824 if (get_schema_version() > 100) {
825 PluginHost::getInstance()->load_data();
826 }
827 }
828 }
829
830 function login_sequence() {
831 if (SINGLE_USER_MODE) {
832 @session_start();
833 authenticate_user("admin", null);
834 startup_gettext();
835 load_user_plugins($_SESSION["uid"]);
836 } else {
837 if (!validate_session()) $_SESSION["uid"] = false;
838
839 if (!$_SESSION["uid"]) {
840
841 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
842 $_SESSION["ref_schema_version"] = get_schema_version(true);
843 } else {
844 authenticate_user(null, null, true);
845 }
846
847 if (!$_SESSION["uid"]) {
848 @session_destroy();
849 setcookie(session_name(), '', time()-42000, '/');
850
851 render_login_form();
852 exit;
853 }
854
855 } else {
856 /* bump login timestamp */
857 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
858 $_SESSION["uid"]);
859 $_SESSION["last_login_update"] = time();
860 }
861
862 if ($_SESSION["uid"]) {
863 startup_gettext();
864 load_user_plugins($_SESSION["uid"]);
865
866 /* cleanup ccache */
867
868 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
869 $_SESSION["uid"] . " AND
870 (SELECT COUNT(id) FROM ttrss_feeds WHERE
871 ttrss_feeds.id = feed_id) = 0");
872
873 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
874 $_SESSION["uid"] . " AND
875 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
876 ttrss_feed_categories.id = feed_id) = 0");
877
878 }
879
880 }
881 }
882
883 function truncate_string($str, $max_len, $suffix = '&hellip;') {
884 if (mb_strlen($str, "utf-8") > $max_len) {
885 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
886 } else {
887 return $str;
888 }
889 }
890
891 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
892
893 try {
894 $source_tz = new DateTimeZone($source_tz);
895 } catch (Exception $e) {
896 $source_tz = new DateTimeZone('UTC');
897 }
898
899 try {
900 $dest_tz = new DateTimeZone($dest_tz);
901 } catch (Exception $e) {
902 $dest_tz = new DateTimeZone('UTC');
903 }
904
905 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
906 return $dt->format('U') + $dest_tz->getOffset($dt);
907 }
908
909 function make_local_datetime($timestamp, $long, $owner_uid = false,
910 $no_smart_dt = false) {
911
912 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
913 if (!$timestamp) $timestamp = '1970-01-01 0:00';
914
915 global $utc_tz;
916 global $user_tz;
917
918 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
919
920 $timestamp = substr($timestamp, 0, 19);
921
922 # We store date in UTC internally
923 $dt = new DateTime($timestamp, $utc_tz);
924
925 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
926
927 if ($user_tz_string != 'Automatic') {
928
929 try {
930 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
931 } catch (Exception $e) {
932 $user_tz = $utc_tz;
933 }
934
935 $tz_offset = $user_tz->getOffset($dt);
936 } else {
937 $tz_offset = (int) -$_SESSION["clientTzOffset"];
938 }
939
940 $user_timestamp = $dt->format('U') + $tz_offset;
941
942 if (!$no_smart_dt) {
943 return smart_date_time($user_timestamp,
944 $tz_offset, $owner_uid);
945 } else {
946 if ($long)
947 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
948 else
949 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
950
951 return date($format, $user_timestamp);
952 }
953 }
954
955 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
956 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
957
958 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
959 return date("G:i", $timestamp);
960 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
961 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
962 return date($format, $timestamp);
963 } else {
964 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
965 return date($format, $timestamp);
966 }
967 }
968
969 function sql_bool_to_bool($s) {
970 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
971 return true;
972 } else {
973 return false;
974 }
975 }
976
977 function bool_to_sql_bool($s) {
978 if ($s) {
979 return "true";
980 } else {
981 return "false";
982 }
983 }
984
985 // Session caching removed due to causing wrong redirects to upgrade
986 // script when get_schema_version() is called on an obsolete session
987 // created on a previous schema version.
988 function get_schema_version($nocache = false) {
989 global $schema_version;
990
991 if (!$schema_version && !$nocache) {
992 $result = db_query("SELECT schema_version FROM ttrss_version");
993 $version = db_fetch_result($result, 0, "schema_version");
994 $schema_version = $version;
995 return $version;
996 } else {
997 return $schema_version;
998 }
999 }
1000
1001 function sanity_check() {
1002 require_once 'errors.php';
1003
1004 $error_code = 0;
1005 $schema_version = get_schema_version(true);
1006
1007 if ($schema_version != SCHEMA_VERSION) {
1008 $error_code = 5;
1009 }
1010
1011 if (DB_TYPE == "mysql") {
1012 $result = db_query("SELECT true", false);
1013 if (db_num_rows($result) != 1) {
1014 $error_code = 10;
1015 }
1016 }
1017
1018 if (db_escape_string("testTEST") != "testTEST") {
1019 $error_code = 12;
1020 }
1021
1022 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1023 }
1024
1025 function file_is_locked($filename) {
1026 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1027 if (function_exists('flock')) {
1028 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1029 if ($fp) {
1030 if (flock($fp, LOCK_EX | LOCK_NB)) {
1031 flock($fp, LOCK_UN);
1032 fclose($fp);
1033 return false;
1034 }
1035 fclose($fp);
1036 return true;
1037 } else {
1038 return false;
1039 }
1040 }
1041 return true; // consider the file always locked and skip the test
1042 } else {
1043 return false;
1044 }
1045 }
1046
1047
1048 function make_lockfile($filename) {
1049 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1050
1051 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1052 $stat_h = fstat($fp);
1053 $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1054
1055 if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1056 if ($stat_h["ino"] != $stat_f["ino"] ||
1057 $stat_h["dev"] != $stat_f["dev"]) {
1058
1059 return false;
1060 }
1061 }
1062
1063 if (function_exists('posix_getpid')) {
1064 fwrite($fp, posix_getpid() . "\n");
1065 }
1066 return $fp;
1067 } else {
1068 return false;
1069 }
1070 }
1071
1072 function make_stampfile($filename) {
1073 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1074
1075 if (flock($fp, LOCK_EX | LOCK_NB)) {
1076 fwrite($fp, time() . "\n");
1077 flock($fp, LOCK_UN);
1078 fclose($fp);
1079 return true;
1080 } else {
1081 return false;
1082 }
1083 }
1084
1085 function sql_random_function() {
1086 if (DB_TYPE == "mysql") {
1087 return "RAND()";
1088 } else {
1089 return "RANDOM()";
1090 }
1091 }
1092
1093 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1094
1095 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1096
1097 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1098
1099 // Todo: all this interval stuff needs some generic generator function
1100
1101 $date_qpart = "false";
1102
1103 switch ($mode) {
1104 case "1day":
1105 if (DB_TYPE == "pgsql") {
1106 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1107 } else {
1108 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1109 }
1110 break;
1111 case "1week":
1112 if (DB_TYPE == "pgsql") {
1113 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1114 } else {
1115 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1116 }
1117 break;
1118 case "2week":
1119 if (DB_TYPE == "pgsql") {
1120 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1121 } else {
1122 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1123 }
1124 break;
1125 default:
1126 $date_qpart = "true";
1127 }
1128
1129 if (is_numeric($feed)) {
1130 if ($cat_view) {
1131
1132 if ($feed >= 0) {
1133
1134 if ($feed > 0) {
1135 $children = getChildCategories($feed, $owner_uid);
1136 array_push($children, $feed);
1137
1138 $children = join(",", $children);
1139
1140 $cat_qpart = "cat_id IN ($children)";
1141 } else {
1142 $cat_qpart = "cat_id IS NULL";
1143 }
1144
1145 db_query("UPDATE ttrss_user_entries
1146 SET unread = false, last_read = NOW() WHERE ref_id IN
1147 (SELECT id FROM
1148 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1149 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1150 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1151
1152 } else if ($feed == -2) {
1153
1154 db_query("UPDATE ttrss_user_entries
1155 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1156 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1157 AND unread = true AND owner_uid = $owner_uid");
1158 }
1159
1160 } else if ($feed > 0) {
1161
1162 db_query("UPDATE ttrss_user_entries
1163 SET unread = false, last_read = NOW() WHERE ref_id IN
1164 (SELECT id FROM
1165 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1166 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1167
1168 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1169
1170 if ($feed == -1) {
1171 db_query("UPDATE ttrss_user_entries
1172 SET unread = false, last_read = NOW() WHERE ref_id IN
1173 (SELECT id FROM
1174 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1175 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1176 }
1177
1178 if ($feed == -2) {
1179 db_query("UPDATE ttrss_user_entries
1180 SET unread = false, last_read = NOW() WHERE ref_id IN
1181 (SELECT id FROM
1182 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1183 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1184 }
1185
1186 if ($feed == -3) {
1187
1188 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1189
1190 if (DB_TYPE == "pgsql") {
1191 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1192 } else {
1193 $match_part = "date_entered > DATE_SUB(NOW(),
1194 INTERVAL $intl HOUR) ";
1195 }
1196
1197 db_query("UPDATE ttrss_user_entries
1198 SET unread = false, last_read = NOW() WHERE ref_id IN
1199 (SELECT id FROM
1200 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1201 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1202 }
1203
1204 if ($feed == -4) {
1205 db_query("UPDATE ttrss_user_entries
1206 SET unread = false, last_read = NOW() WHERE ref_id IN
1207 (SELECT id FROM
1208 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1209 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1210 }
1211
1212 } else if ($feed < LABEL_BASE_INDEX) { // label
1213
1214 $label_id = feed_to_label_id($feed);
1215
1216 db_query("UPDATE ttrss_user_entries
1217 SET unread = false, last_read = NOW() WHERE ref_id IN
1218 (SELECT id FROM
1219 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1220 AND label_id = '$label_id' AND ref_id = article_id
1221 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1222
1223 }
1224
1225 ccache_update($feed, $owner_uid, $cat_view);
1226
1227 } else { // tag
1228 db_query("UPDATE ttrss_user_entries
1229 SET unread = false, last_read = NOW() WHERE ref_id IN
1230 (SELECT id FROM
1231 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1232 AND post_int_id = int_id AND tag_name = '$feed'
1233 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1234
1235 }
1236 }
1237
1238 function getAllCounters() {
1239 $data = getGlobalCounters();
1240
1241 $data = array_merge($data, getVirtCounters());
1242 $data = array_merge($data, getLabelCounters());
1243 $data = array_merge($data, getFeedCounters());
1244 $data = array_merge($data, getCategoryCounters());
1245
1246 return $data;
1247 }
1248
1249 function getCategoryTitle($cat_id) {
1250
1251 if ($cat_id == -1) {
1252 return __("Special");
1253 } else if ($cat_id == -2) {
1254 return __("Labels");
1255 } else {
1256
1257 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1258 id = '$cat_id'");
1259
1260 if (db_num_rows($result) == 1) {
1261 return db_fetch_result($result, 0, "title");
1262 } else {
1263 return __("Uncategorized");
1264 }
1265 }
1266 }
1267
1268
1269 function getCategoryCounters() {
1270 $ret_arr = array();
1271
1272 /* Labels category */
1273
1274 $cv = array("id" => -2, "kind" => "cat",
1275 "counter" => getCategoryUnread(-2));
1276
1277 array_push($ret_arr, $cv);
1278
1279 $result = db_query("SELECT id AS cat_id, value AS unread,
1280 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1281 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1282 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1283 WHERE ttrss_cat_counters_cache.feed_id = id AND
1284 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1285 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1286
1287 while ($line = db_fetch_assoc($result)) {
1288 $line["cat_id"] = (int) $line["cat_id"];
1289
1290 if ($line["num_children"] > 0) {
1291 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1292 } else {
1293 $child_counter = 0;
1294 }
1295
1296 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1297 "counter" => $line["unread"] + $child_counter);
1298
1299 array_push($ret_arr, $cv);
1300 }
1301
1302 /* Special case: NULL category doesn't actually exist in the DB */
1303
1304 $cv = array("id" => 0, "kind" => "cat",
1305 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1306
1307 array_push($ret_arr, $cv);
1308
1309 return $ret_arr;
1310 }
1311
1312 // only accepts real cats (>= 0)
1313 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1314 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1315
1316 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1317 AND owner_uid = $owner_uid");
1318
1319 $unread = 0;
1320
1321 while ($line = db_fetch_assoc($result)) {
1322 $unread += getCategoryUnread($line["id"], $owner_uid);
1323 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1324 }
1325
1326 return $unread;
1327 }
1328
1329 function getCategoryUnread($cat, $owner_uid = false) {
1330
1331 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1332
1333 if ($cat >= 0) {
1334
1335 if ($cat != 0) {
1336 $cat_query = "cat_id = '$cat'";
1337 } else {
1338 $cat_query = "cat_id IS NULL";
1339 }
1340
1341 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1342 AND owner_uid = " . $owner_uid);
1343
1344 $cat_feeds = array();
1345 while ($line = db_fetch_assoc($result)) {
1346 array_push($cat_feeds, "feed_id = " . $line["id"]);
1347 }
1348
1349 if (count($cat_feeds) == 0) return 0;
1350
1351 $match_part = implode(" OR ", $cat_feeds);
1352
1353 $result = db_query("SELECT COUNT(int_id) AS unread
1354 FROM ttrss_user_entries
1355 WHERE unread = true AND ($match_part)
1356 AND owner_uid = " . $owner_uid);
1357
1358 $unread = 0;
1359
1360 # this needs to be rewritten
1361 while ($line = db_fetch_assoc($result)) {
1362 $unread += $line["unread"];
1363 }
1364
1365 return $unread;
1366 } else if ($cat == -1) {
1367 return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1368 } else if ($cat == -2) {
1369
1370 $result = db_query("
1371 SELECT COUNT(unread) AS unread FROM
1372 ttrss_user_entries, ttrss_user_labels2
1373 WHERE article_id = ref_id AND unread = true
1374 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1375
1376 $unread = db_fetch_result($result, 0, "unread");
1377
1378 return $unread;
1379
1380 }
1381 }
1382
1383 function getFeedUnread($feed, $is_cat = false) {
1384 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1385 }
1386
1387 function getLabelUnread($label_id, $owner_uid = false) {
1388 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1389
1390 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1391 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1392
1393 if (db_num_rows($result) != 0) {
1394 return db_fetch_result($result, 0, "unread");
1395 } else {
1396 return 0;
1397 }
1398 }
1399
1400 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1401 $owner_uid = false) {
1402
1403 $n_feed = (int) $feed;
1404 $need_entries = false;
1405
1406 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1407
1408 if ($unread_only) {
1409 $unread_qpart = "unread = true";
1410 } else {
1411 $unread_qpart = "true";
1412 }
1413
1414 if ($is_cat) {
1415 return getCategoryUnread($n_feed, $owner_uid);
1416 } else if ($n_feed == -6) {
1417 return 0;
1418 } else if ($feed != "0" && $n_feed == 0) {
1419
1420 $feed = db_escape_string($feed);
1421
1422 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1423 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1424 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1425 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1426 return db_fetch_result($result, 0, "count");
1427
1428 } else if ($n_feed == -1) {
1429 $match_part = "marked = true";
1430 } else if ($n_feed == -2) {
1431 $match_part = "published = true";
1432 } else if ($n_feed == -3) {
1433 $match_part = "unread = true AND score >= 0";
1434
1435 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1436
1437 if (DB_TYPE == "pgsql") {
1438 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1439 } else {
1440 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1441 }
1442
1443 $need_entries = true;
1444
1445 } else if ($n_feed == -4) {
1446 $match_part = "true";
1447 } else if ($n_feed >= 0) {
1448
1449 if ($n_feed != 0) {
1450 $match_part = "feed_id = '$n_feed'";
1451 } else {
1452 $match_part = "feed_id IS NULL";
1453 }
1454
1455 } else if ($feed < LABEL_BASE_INDEX) {
1456
1457 $label_id = feed_to_label_id($feed);
1458
1459 return getLabelUnread($label_id, $owner_uid);
1460
1461 }
1462
1463 if ($match_part) {
1464
1465 if ($need_entries) {
1466 $from_qpart = "ttrss_user_entries,ttrss_entries";
1467 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1468 } else {
1469 $from_qpart = "ttrss_user_entries";
1470 $from_where = "";
1471 }
1472
1473 $query = "SELECT count(int_id) AS unread
1474 FROM $from_qpart WHERE
1475 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1476
1477 //echo "[$feed/$query]\n";
1478
1479 $result = db_query($query);
1480
1481 } else {
1482
1483 $result = db_query("SELECT COUNT(post_int_id) AS unread
1484 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1485 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1486 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1487 }
1488
1489 $unread = db_fetch_result($result, 0, "unread");
1490
1491 return $unread;
1492 }
1493
1494 function getGlobalUnread($user_id = false) {
1495
1496 if (!$user_id) {
1497 $user_id = $_SESSION["uid"];
1498 }
1499
1500 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1501 WHERE owner_uid = '$user_id' AND feed_id > 0");
1502
1503 $c_id = db_fetch_result($result, 0, "c_id");
1504
1505 return $c_id;
1506 }
1507
1508 function getGlobalCounters($global_unread = -1) {
1509 $ret_arr = array();
1510
1511 if ($global_unread == -1) {
1512 $global_unread = getGlobalUnread();
1513 }
1514
1515 $cv = array("id" => "global-unread",
1516 "counter" => (int) $global_unread);
1517
1518 array_push($ret_arr, $cv);
1519
1520 $result = db_query("SELECT COUNT(id) AS fn FROM
1521 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1522
1523 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1524
1525 $cv = array("id" => "subscribed-feeds",
1526 "counter" => (int) $subscribed_feeds);
1527
1528 array_push($ret_arr, $cv);
1529
1530 return $ret_arr;
1531 }
1532
1533 function getVirtCounters() {
1534
1535 $ret_arr = array();
1536
1537 for ($i = 0; $i >= -4; $i--) {
1538
1539 $count = getFeedUnread($i);
1540
1541 if ($i == 0 || $i == -1 || $i == -2)
1542 $auxctr = getFeedArticles($i, false);
1543 else
1544 $auxctr = 0;
1545
1546 $cv = array("id" => $i,
1547 "counter" => (int) $count,
1548 "auxcounter" => $auxctr);
1549
1550 // if (get_pref('EXTENDED_FEEDLIST'))
1551 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1552
1553 array_push($ret_arr, $cv);
1554 }
1555
1556 $feeds = PluginHost::getInstance()->get_feeds(-1);
1557
1558 if (is_array($feeds)) {
1559 foreach ($feeds as $feed) {
1560 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1561 "counter" => $feed['sender']->get_unread($feed['id']));
1562
1563 if (method_exists($feed['sender'], 'get_total'))
1564 $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1565
1566 array_push($ret_arr, $cv);
1567 }
1568 }
1569
1570 return $ret_arr;
1571 }
1572
1573 function getLabelCounters($descriptions = false) {
1574
1575 $ret_arr = array();
1576
1577 $owner_uid = $_SESSION["uid"];
1578
1579 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1580 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1581 (ttrss_labels2.id = label_id)
1582 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1583 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1584 ttrss_labels2.caption");
1585
1586 while ($line = db_fetch_assoc($result)) {
1587
1588 $id = label_to_feed_id($line["id"]);
1589
1590 $cv = array("id" => $id,
1591 "counter" => (int) $line["unread"],
1592 "auxcounter" => (int) $line["total"]);
1593
1594 if ($descriptions)
1595 $cv["description"] = $line["caption"];
1596
1597 array_push($ret_arr, $cv);
1598 }
1599
1600 return $ret_arr;
1601 }
1602
1603 function getFeedCounters($active_feed = false) {
1604
1605 $ret_arr = array();
1606
1607 $query = "SELECT ttrss_feeds.id,
1608 ttrss_feeds.title,
1609 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1610 last_error, value AS count
1611 FROM ttrss_feeds, ttrss_counters_cache
1612 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1613 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1614 AND ttrss_counters_cache.feed_id = id";
1615
1616 $result = db_query($query);
1617 $fctrs_modified = false;
1618
1619 while ($line = db_fetch_assoc($result)) {
1620
1621 $id = $line["id"];
1622 $count = $line["count"];
1623 $last_error = htmlspecialchars($line["last_error"]);
1624
1625 $last_updated = make_local_datetime($line['last_updated'], false);
1626
1627 $has_img = feed_has_icon($id);
1628
1629 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1630 $last_updated = '';
1631
1632 $cv = array("id" => $id,
1633 "updated" => $last_updated,
1634 "counter" => (int) $count,
1635 "has_img" => (int) $has_img);
1636
1637 if ($last_error)
1638 $cv["error"] = $last_error;
1639
1640 // if (get_pref('EXTENDED_FEEDLIST'))
1641 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1642
1643 if ($active_feed && $id == $active_feed)
1644 $cv["title"] = truncate_string($line["title"], 30);
1645
1646 array_push($ret_arr, $cv);
1647
1648 }
1649
1650 return $ret_arr;
1651 }
1652
1653 function get_pgsql_version() {
1654 $result = db_query("SELECT version() AS version");
1655 $version = explode(" ", db_fetch_result($result, 0, "version"));
1656 return $version[1];
1657 }
1658
1659 /**
1660 * @return array (code => Status code, message => error message if available)
1661 *
1662 * 0 - OK, Feed already exists
1663 * 1 - OK, Feed added
1664 * 2 - Invalid URL
1665 * 3 - URL content is HTML, no feeds available
1666 * 4 - URL content is HTML which contains multiple feeds.
1667 * Here you should call extractfeedurls in rpc-backend
1668 * to get all possible feeds.
1669 * 5 - Couldn't download the URL content.
1670 * 6 - Content is an invalid XML.
1671 */
1672 function subscribe_to_feed($url, $cat_id = 0,
1673 $auth_login = '', $auth_pass = '') {
1674
1675 global $fetch_last_error;
1676
1677 require_once "include/rssfuncs.php";
1678
1679 $url = fix_url($url);
1680
1681 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1682
1683 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1684
1685 if (!$contents) {
1686 return array("code" => 5, "message" => $fetch_last_error);
1687 }
1688
1689 if (is_html($contents)) {
1690 $feedUrls = get_feeds_from_html($url, $contents);
1691
1692 if (count($feedUrls) == 0) {
1693 return array("code" => 3);
1694 } else if (count($feedUrls) > 1) {
1695 return array("code" => 4, "feeds" => $feedUrls);
1696 }
1697 //use feed url as new URL
1698 $url = key($feedUrls);
1699 }
1700
1701 /* libxml_use_internal_errors(true);
1702 $doc = new DOMDocument();
1703 $doc->loadXML($contents);
1704 $error = libxml_get_last_error();
1705 libxml_clear_errors();
1706
1707 if ($error) {
1708 $error_message = format_libxml_error($error);
1709
1710 return array("code" => 6, "message" => $error_message);
1711 } */
1712
1713 if ($cat_id == "0" || !$cat_id) {
1714 $cat_qpart = "NULL";
1715 } else {
1716 $cat_qpart = "'$cat_id'";
1717 }
1718
1719 $result = db_query(
1720 "SELECT id FROM ttrss_feeds
1721 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1722
1723 if (strlen(FEED_CRYPT_KEY) > 0) {
1724 require_once "crypt.php";
1725 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1726 $auth_pass_encrypted = 'true';
1727 } else {
1728 $auth_pass_encrypted = 'false';
1729 }
1730
1731 $auth_pass = db_escape_string($auth_pass);
1732
1733 if (db_num_rows($result) == 0) {
1734 $result = db_query(
1735 "INSERT INTO ttrss_feeds
1736 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1737 VALUES ('".$_SESSION["uid"]."', '$url',
1738 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1739
1740 $result = db_query(
1741 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1742 AND owner_uid = " . $_SESSION["uid"]);
1743
1744 $feed_id = db_fetch_result($result, 0, "id");
1745
1746 if ($feed_id) {
1747 update_rss_feed($feed_id, true);
1748 }
1749
1750 return array("code" => 1);
1751 } else {
1752 return array("code" => 0);
1753 }
1754 }
1755
1756 function print_feed_select($id, $default_id = "",
1757 $attributes = "", $include_all_feeds = true,
1758 $root_id = false, $nest_level = 0) {
1759
1760 if (!$root_id) {
1761 print "<select id=\"$id\" name=\"$id\" $attributes>";
1762 if ($include_all_feeds) {
1763 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1764 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1765 }
1766 }
1767
1768 if (get_pref('ENABLE_FEED_CATS')) {
1769
1770 if ($root_id)
1771 $parent_qpart = "parent_cat = '$root_id'";
1772 else
1773 $parent_qpart = "parent_cat IS NULL";
1774
1775 $result = db_query("SELECT id,title,
1776 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1777 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1778 FROM ttrss_feed_categories
1779 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1780
1781 while ($line = db_fetch_assoc($result)) {
1782
1783 for ($i = 0; $i < $nest_level; $i++)
1784 $line["title"] = " - " . $line["title"];
1785
1786 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1787
1788 printf("<option $is_selected value='CAT:%d'>%s</option>",
1789 $line["id"], htmlspecialchars($line["title"]));
1790
1791 if ($line["num_children"] > 0)
1792 print_feed_select($id, $default_id, $attributes,
1793 $include_all_feeds, $line["id"], $nest_level+1);
1794
1795 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1796 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1797
1798 while ($fline = db_fetch_assoc($feed_result)) {
1799 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1800
1801 $fline["title"] = " + " . $fline["title"];
1802
1803 for ($i = 0; $i < $nest_level; $i++)
1804 $fline["title"] = " - " . $fline["title"];
1805
1806 printf("<option $is_selected value='%d'>%s</option>",
1807 $fline["id"], htmlspecialchars($fline["title"]));
1808 }
1809 }
1810
1811 if (!$root_id) {
1812 $default_is_cat = ($default_id == "CAT:0");
1813 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1814
1815 printf("<option $is_selected value='CAT:0'>%s</option>",
1816 __("Uncategorized"));
1817
1818 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1819 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1820
1821 while ($fline = db_fetch_assoc($feed_result)) {
1822 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1823
1824 $fline["title"] = " + " . $fline["title"];
1825
1826 for ($i = 0; $i < $nest_level; $i++)
1827 $fline["title"] = " - " . $fline["title"];
1828
1829 printf("<option $is_selected value='%d'>%s</option>",
1830 $fline["id"], htmlspecialchars($fline["title"]));
1831 }
1832 }
1833
1834 } else {
1835 $result = db_query("SELECT id,title FROM ttrss_feeds
1836 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1837
1838 while ($line = db_fetch_assoc($result)) {
1839
1840 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1841
1842 printf("<option $is_selected value='%d'>%s</option>",
1843 $line["id"], htmlspecialchars($line["title"]));
1844 }
1845 }
1846
1847 if (!$root_id) {
1848 print "</select>";
1849 }
1850 }
1851
1852 function print_feed_cat_select($id, $default_id,
1853 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1854
1855 if (!$root_id) {
1856 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1857 }
1858
1859 if ($root_id)
1860 $parent_qpart = "parent_cat = '$root_id'";
1861 else
1862 $parent_qpart = "parent_cat IS NULL";
1863
1864 $result = db_query("SELECT id,title,
1865 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1866 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1867 FROM ttrss_feed_categories
1868 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1869
1870 while ($line = db_fetch_assoc($result)) {
1871 if ($line["id"] == $default_id) {
1872 $is_selected = "selected=\"1\"";
1873 } else {
1874 $is_selected = "";
1875 }
1876
1877 for ($i = 0; $i < $nest_level; $i++)
1878 $line["title"] = " - " . $line["title"];
1879
1880 if ($line["title"])
1881 printf("<option $is_selected value='%d'>%s</option>",
1882 $line["id"], htmlspecialchars($line["title"]));
1883
1884 if ($line["num_children"] > 0)
1885 print_feed_cat_select($id, $default_id, $attributes,
1886 $include_all_cats, $line["id"], $nest_level+1);
1887 }
1888
1889 if (!$root_id) {
1890 if ($include_all_cats) {
1891 if (db_num_rows($result) > 0) {
1892 print "<option disabled=\"1\">--------</option>";
1893 }
1894
1895 if ($default_id == 0) {
1896 $is_selected = "selected=\"1\"";
1897 } else {
1898 $is_selected = "";
1899 }
1900
1901 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1902 }
1903 print "</select>";
1904 }
1905 }
1906
1907 function checkbox_to_sql_bool($val) {
1908 return ($val == "on") ? "true" : "false";
1909 }
1910
1911 function getFeedCatTitle($id) {
1912 if ($id == -1) {
1913 return __("Special");
1914 } else if ($id < LABEL_BASE_INDEX) {
1915 return __("Labels");
1916 } else if ($id > 0) {
1917 $result = db_query("SELECT ttrss_feed_categories.title
1918 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1919 cat_id = ttrss_feed_categories.id");
1920 if (db_num_rows($result) == 1) {
1921 return db_fetch_result($result, 0, "title");
1922 } else {
1923 return __("Uncategorized");
1924 }
1925 } else {
1926 return "getFeedCatTitle($id) failed";
1927 }
1928
1929 }
1930
1931 function getFeedIcon($id) {
1932 switch ($id) {
1933 case 0:
1934 return "images/archive.png";
1935 break;
1936 case -1:
1937 return "images/star.png";
1938 break;
1939 case -2:
1940 return "images/feed.png";
1941 break;
1942 case -3:
1943 return "images/fresh.png";
1944 break;
1945 case -4:
1946 return "images/folder.png";
1947 break;
1948 case -6:
1949 return "images/time.png";
1950 break;
1951 default:
1952 if ($id < LABEL_BASE_INDEX) {
1953 return "images/label.png";
1954 } else {
1955 if (file_exists(ICONS_DIR . "/$id.ico"))
1956 return ICONS_URL . "/$id.ico";
1957 }
1958 break;
1959 }
1960
1961 return false;
1962 }
1963
1964 function getFeedTitle($id, $cat = false) {
1965 if ($cat) {
1966 return getCategoryTitle($id);
1967 } else if ($id == -1) {
1968 return __("Starred articles");
1969 } else if ($id == -2) {
1970 return __("Published articles");
1971 } else if ($id == -3) {
1972 return __("Fresh articles");
1973 } else if ($id == -4) {
1974 return __("All articles");
1975 } else if ($id === 0 || $id === "0") {
1976 return __("Archived articles");
1977 } else if ($id == -6) {
1978 return __("Recently read");
1979 } else if ($id < LABEL_BASE_INDEX) {
1980 $label_id = feed_to_label_id($id);
1981 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1982 if (db_num_rows($result) == 1) {
1983 return db_fetch_result($result, 0, "caption");
1984 } else {
1985 return "Unknown label ($label_id)";
1986 }
1987
1988 } else if (is_numeric($id) && $id > 0) {
1989 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1990 if (db_num_rows($result) == 1) {
1991 return db_fetch_result($result, 0, "title");
1992 } else {
1993 return "Unknown feed ($id)";
1994 }
1995 } else {
1996 return $id;
1997 }
1998 }
1999
2000 function make_init_params() {
2001 $params = array();
2002
2003 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
2004 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
2005 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
2006 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
2007
2008 $params[strtolower($param)] = (int) get_pref($param);
2009 }
2010
2011 $params["icons_url"] = ICONS_URL;
2012 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
2013 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
2014 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
2015 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
2016 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2017 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
2018
2019 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2020 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2021
2022 $max_feed_id = db_fetch_result($result, 0, "mid");
2023 $num_feeds = db_fetch_result($result, 0, "nf");
2024
2025 $params["max_feed_id"] = (int) $max_feed_id;
2026 $params["num_feeds"] = (int) $num_feeds;
2027
2028 $params["hotkeys"] = get_hotkeys_map();
2029
2030 $params["csrf_token"] = $_SESSION["csrf_token"];
2031 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
2032
2033 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
2034
2035 return $params;
2036 }
2037
2038 function get_hotkeys_info() {
2039 $hotkeys = array(
2040 __("Navigation") => array(
2041 "next_feed" => __("Open next feed"),
2042 "prev_feed" => __("Open previous feed"),
2043 "next_article" => __("Open next article"),
2044 "prev_article" => __("Open previous article"),
2045 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
2046 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
2047 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
2048 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
2049 "search_dialog" => __("Show search dialog")),
2050 __("Article") => array(
2051 "toggle_mark" => __("Toggle starred"),
2052 "toggle_publ" => __("Toggle published"),
2053 "toggle_unread" => __("Toggle unread"),
2054 "edit_tags" => __("Edit tags"),
2055 "dismiss_selected" => __("Dismiss selected"),
2056 "dismiss_read" => __("Dismiss read"),
2057 "open_in_new_window" => __("Open in new window"),
2058 "catchup_below" => __("Mark below as read"),
2059 "catchup_above" => __("Mark above as read"),
2060 "article_scroll_down" => __("Scroll down"),
2061 "article_scroll_up" => __("Scroll up"),
2062 "select_article_cursor" => __("Select article under cursor"),
2063 "email_article" => __("Email article"),
2064 "close_article" => __("Close/collapse article"),
2065 "toggle_expand" => __("Toggle article expansion (combined mode)"),
2066 "toggle_widescreen" => __("Toggle widescreen mode"),
2067 "toggle_embed_original" => __("Toggle embed original")),
2068 __("Article selection") => array(
2069 "select_all" => __("Select all articles"),
2070 "select_unread" => __("Select unread"),
2071 "select_marked" => __("Select starred"),
2072 "select_published" => __("Select published"),
2073 "select_invert" => __("Invert selection"),
2074 "select_none" => __("Deselect everything")),
2075 __("Feed") => array(
2076 "feed_refresh" => __("Refresh current feed"),
2077 "feed_unhide_read" => __("Un/hide read feeds"),
2078 "feed_subscribe" => __("Subscribe to feed"),
2079 "feed_edit" => __("Edit feed"),
2080 "feed_catchup" => __("Mark as read"),
2081 "feed_reverse" => __("Reverse headlines"),
2082 "feed_debug_update" => __("Debug feed update"),
2083 "catchup_all" => __("Mark all feeds as read"),
2084 "cat_toggle_collapse" => __("Un/collapse current category"),
2085 "toggle_combined_mode" => __("Toggle combined mode"),
2086 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
2087 __("Go to") => array(
2088 "goto_all" => __("All articles"),
2089 "goto_fresh" => __("Fresh"),
2090 "goto_marked" => __("Starred"),
2091 "goto_published" => __("Published"),
2092 "goto_tagcloud" => __("Tag cloud"),
2093 "goto_prefs" => __("Preferences")),
2094 __("Other") => array(
2095 "create_label" => __("Create label"),
2096 "create_filter" => __("Create filter"),
2097 "collapse_sidebar" => __("Un/collapse sidebar"),
2098 "help_dialog" => __("Show help dialog"))
2099 );
2100
2101 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2102 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2103 }
2104
2105 return $hotkeys;
2106 }
2107
2108 function get_hotkeys_map() {
2109 $hotkeys = array(
2110 // "navigation" => array(
2111 "k" => "next_feed",
2112 "j" => "prev_feed",
2113 "n" => "next_article",
2114 "p" => "prev_article",
2115 "(38)|up" => "prev_article",
2116 "(40)|down" => "next_article",
2117 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2118 // "^(40)|Ctrl-down" => "next_article_noscroll",
2119 "(191)|/" => "search_dialog",
2120 // "article" => array(
2121 "s" => "toggle_mark",
2122 "*s" => "toggle_publ",
2123 "u" => "toggle_unread",
2124 "*t" => "edit_tags",
2125 "*d" => "dismiss_selected",
2126 "*x" => "dismiss_read",
2127 "o" => "open_in_new_window",
2128 "c p" => "catchup_below",
2129 "c n" => "catchup_above",
2130 "*n" => "article_scroll_down",
2131 "*p" => "article_scroll_up",
2132 "*(38)|Shift+up" => "article_scroll_up",
2133 "*(40)|Shift+down" => "article_scroll_down",
2134 "a *w" => "toggle_widescreen",
2135 "a e" => "toggle_embed_original",
2136 "e" => "email_article",
2137 "a q" => "close_article",
2138 // "article_selection" => array(
2139 "a a" => "select_all",
2140 "a u" => "select_unread",
2141 "a *u" => "select_marked",
2142 "a p" => "select_published",
2143 "a i" => "select_invert",
2144 "a n" => "select_none",
2145 // "feed" => array(
2146 "f r" => "feed_refresh",
2147 "f a" => "feed_unhide_read",
2148 "f s" => "feed_subscribe",
2149 "f e" => "feed_edit",
2150 "f q" => "feed_catchup",
2151 "f x" => "feed_reverse",
2152 "f *d" => "feed_debug_update",
2153 "f *c" => "toggle_combined_mode",
2154 "f c" => "toggle_cdm_expanded",
2155 "*q" => "catchup_all",
2156 "x" => "cat_toggle_collapse",
2157 // "goto" => array(
2158 "g a" => "goto_all",
2159 "g f" => "goto_fresh",
2160 "g s" => "goto_marked",
2161 "g p" => "goto_published",
2162 "g t" => "goto_tagcloud",
2163 "g *p" => "goto_prefs",
2164 // "other" => array(
2165 "(9)|Tab" => "select_article_cursor", // tab
2166 "c l" => "create_label",
2167 "c f" => "create_filter",
2168 "c s" => "collapse_sidebar",
2169 "^(191)|Ctrl+/" => "help_dialog",
2170 );
2171
2172 if (get_pref('COMBINED_DISPLAY_MODE')) {
2173 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2174 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2175 }
2176
2177 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2178 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2179 }
2180
2181 $prefixes = array();
2182
2183 foreach (array_keys($hotkeys) as $hotkey) {
2184 $pair = explode(" ", $hotkey, 2);
2185
2186 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2187 array_push($prefixes, $pair[0]);
2188 }
2189 }
2190
2191 return array($prefixes, $hotkeys);
2192 }
2193
2194 function make_runtime_info() {
2195 $data = array();
2196
2197 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2198 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2199
2200 $max_feed_id = db_fetch_result($result, 0, "mid");
2201 $num_feeds = db_fetch_result($result, 0, "nf");
2202
2203 $data["max_feed_id"] = (int) $max_feed_id;
2204 $data["num_feeds"] = (int) $num_feeds;
2205
2206 $data['last_article_id'] = getLastArticleId();
2207 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2208
2209 $data['dep_ts'] = calculate_dep_timestamp();
2210 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2211
2212 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2213
2214 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2215
2216 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2217
2218 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2219
2220 if ($stamp) {
2221 $stamp_delta = time() - $stamp;
2222
2223 if ($stamp_delta > 1800) {
2224 $stamp_check = 0;
2225 } else {
2226 $stamp_check = 1;
2227 $_SESSION["daemon_stamp_check"] = time();
2228 }
2229
2230 $data['daemon_stamp_ok'] = $stamp_check;
2231
2232 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2233
2234 $data['daemon_stamp'] = $stamp_fmt;
2235 }
2236 }
2237 }
2238
2239 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2240 $new_version_details = @check_for_update();
2241
2242 $data['new_version_available'] = (int) ($new_version_details != false);
2243
2244 $_SESSION["last_version_check"] = time();
2245 $_SESSION["version_data"] = $new_version_details;
2246 }
2247
2248 return $data;
2249 }
2250
2251 function search_to_sql($search) {
2252
2253 $search_query_part = "";
2254
2255 $keywords = str_getcsv($search, " ");
2256 $query_keywords = array();
2257 $search_words = array();
2258
2259 foreach ($keywords as $k) {
2260 if (strpos($k, "-") === 0) {
2261 $k = substr($k, 1);
2262 $not = "NOT";
2263 } else {
2264 $not = "";
2265 }
2266
2267 $commandpair = explode(":", mb_strtolower($k), 2);
2268
2269 switch ($commandpair[0]) {
2270 case "title":
2271 if ($commandpair[1]) {
2272 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2273 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2274 } else {
2275 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2276 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2277 array_push($search_words, $k);
2278 }
2279 break;
2280 case "author":
2281 if ($commandpair[1]) {
2282 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2283 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2284 } else {
2285 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2286 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2287 array_push($search_words, $k);
2288 }
2289 break;
2290 case "note":
2291 if ($commandpair[1]) {
2292 if ($commandpair[1] == "true")
2293 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2294 else if ($commandpair[1] == "false")
2295 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2296 else
2297 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2298 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2299 } else {
2300 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2301 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2302 if (!$not) array_push($search_words, $k);
2303 }
2304 break;
2305 case "star":
2306
2307 if ($commandpair[1]) {
2308 if ($commandpair[1] == "true")
2309 array_push($query_keywords, "($not (marked = true))");
2310 else
2311 array_push($query_keywords, "($not (marked = false))");
2312 } else {
2313 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2314 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2315 if (!$not) array_push($search_words, $k);
2316 }
2317 break;
2318 case "pub":
2319 if ($commandpair[1]) {
2320 if ($commandpair[1] == "true")
2321 array_push($query_keywords, "($not (published = true))");
2322 else
2323 array_push($query_keywords, "($not (published = false))");
2324
2325 } else {
2326 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2327 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2328 if (!$not) array_push($search_words, $k);
2329 }
2330 break;
2331 default:
2332 if (strpos($k, "@") === 0) {
2333
2334 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2335 $orig_ts = strtotime(substr($k, 1));
2336 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2337
2338 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2339
2340 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2341 } else {
2342 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2343 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2344
2345 if (!$not) array_push($search_words, $k);
2346 }
2347 }
2348 }
2349
2350 $search_query_part = implode("AND", $query_keywords);
2351
2352 return array($search_query_part, $search_words);
2353 }
2354
2355 function getParentCategories($cat, $owner_uid) {
2356 $rv = array();
2357
2358 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2359 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2360
2361 while ($line = db_fetch_assoc($result)) {
2362 array_push($rv, $line["parent_cat"]);
2363 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2364 }
2365
2366 return $rv;
2367 }
2368
2369 function getChildCategories($cat, $owner_uid) {
2370 $rv = array();
2371
2372 $result = db_query("SELECT id FROM ttrss_feed_categories
2373 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2374
2375 while ($line = db_fetch_assoc($result)) {
2376 array_push($rv, $line["id"]);
2377 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2378 }
2379
2380 return $rv;
2381 }
2382
2383 function queryFeedHeadlines($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, $override_vfeed = false) {
2384
2385 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2386
2387 $ext_tables_part = "";
2388 $search_words = array();
2389
2390 if ($search) {
2391
2392 if (SPHINX_ENABLED) {
2393 $ids = join(",", @sphinx_search($search, 0, 500));
2394
2395 if ($ids)
2396 $search_query_part = "ref_id IN ($ids) AND ";
2397 else
2398 $search_query_part = "ref_id = -1 AND ";
2399
2400 } else {
2401 list($search_query_part, $search_words) = search_to_sql($search);
2402 $search_query_part .= " AND ";
2403 }
2404
2405 } else {
2406 $search_query_part = "";
2407 }
2408
2409 if ($filter) {
2410
2411 if (DB_TYPE == "pgsql") {
2412 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2413 } else {
2414 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2415 }
2416
2417 $override_order = "updated DESC";
2418
2419 $filter_query_part = filter_to_sql($filter, $owner_uid);
2420
2421 // Try to check if SQL regexp implementation chokes on a valid regexp
2422
2423
2424 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2425 ttrss_user_entries, ttrss_feeds
2426 WHERE $filter_query_part LIMIT 1", false);
2427
2428 if ($result) {
2429 $test = db_fetch_result($result, 0, "true_val");
2430
2431 if (!$test) {
2432 $filter_query_part = "false AND";
2433 } else {
2434 $filter_query_part .= " AND";
2435 }
2436 } else {
2437 $filter_query_part = "false AND";
2438 }
2439
2440 } else {
2441 $filter_query_part = "";
2442 }
2443
2444 if ($since_id) {
2445 $since_id_part = "ttrss_entries.id > $since_id AND ";
2446 } else {
2447 $since_id_part = "";
2448 }
2449
2450 $view_query_part = "";
2451
2452 if ($view_mode == "adaptive") {
2453 if ($search) {
2454 $view_query_part = " ";
2455 } else if ($feed != -1) {
2456
2457 $unread = getFeedUnread($feed, $cat_view);
2458
2459 if ($cat_view && $feed > 0 && $include_children)
2460 $unread += getCategoryChildrenUnread($feed);
2461
2462 if ($unread > 0)
2463 $view_query_part = " unread = true AND ";
2464
2465 }
2466 }
2467
2468 if ($view_mode == "marked") {
2469 $view_query_part = " marked = true AND ";
2470 }
2471
2472 if ($view_mode == "has_note") {
2473 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2474 }
2475
2476 if ($view_mode == "published") {
2477 $view_query_part = " published = true AND ";
2478 }
2479
2480 if ($view_mode == "unread" && $feed != -6) {
2481 $view_query_part = " unread = true AND ";
2482 }
2483
2484 if ($limit > 0) {
2485 $limit_query_part = "LIMIT " . $limit;
2486 }
2487
2488 $allow_archived = false;
2489
2490 $vfeed_query_part = "";
2491
2492 // override query strategy and enable feed display when searching globally
2493 if ($search && $search_mode == "all_feeds") {
2494 $query_strategy_part = "true";
2495 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2496 /* tags */
2497 } else if (!is_numeric($feed)) {
2498 $query_strategy_part = "true";
2499 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2500 id = feed_id) as feed_title,";
2501 } else if ($search && $search_mode == "this_cat") {
2502 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2503
2504 if ($feed > 0) {
2505 if ($include_children) {
2506 $subcats = getChildCategories($feed, $owner_uid);
2507 array_push($subcats, $feed);
2508 $cats_qpart = join(",", $subcats);
2509 } else {
2510 $cats_qpart = $feed;
2511 }
2512
2513 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2514
2515 } else {
2516 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2517 }
2518
2519 } else if ($feed > 0) {
2520
2521 if ($cat_view) {
2522
2523 if ($feed > 0) {
2524 if ($include_children) {
2525 # sub-cats
2526 $subcats = getChildCategories($feed, $owner_uid);
2527
2528 array_push($subcats, $feed);
2529 $query_strategy_part = "cat_id IN (".
2530 implode(",", $subcats).")";
2531
2532 } else {
2533 $query_strategy_part = "cat_id = '$feed'";
2534 }
2535
2536 } else {
2537 $query_strategy_part = "cat_id IS NULL";
2538 }
2539
2540 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2541
2542 } else {
2543 $query_strategy_part = "feed_id = '$feed'";
2544 }
2545 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2546 $query_strategy_part = "feed_id IS NULL";
2547 $allow_archived = true;
2548 } else if ($feed == 0 && $cat_view) { // uncategorized
2549 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2550 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2551 } else if ($feed == -1) { // starred virtual feed
2552 $query_strategy_part = "marked = true";
2553 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2554 $allow_archived = true;
2555
2556 if (!$override_order) {
2557 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2558 }
2559
2560 } else if ($feed == -2) { // published virtual feed OR labels category
2561
2562 if (!$cat_view) {
2563 $query_strategy_part = "published = true";
2564 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2565 $allow_archived = true;
2566
2567 if (!$override_order) {
2568 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2569 }
2570
2571 } else {
2572 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2573
2574 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2575
2576 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2577 ttrss_user_labels2.article_id = ref_id";
2578
2579 }
2580 } else if ($feed == -6) { // recently read
2581 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2582 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2583 $allow_archived = true;
2584
2585 if (!$override_order) $override_order = "last_read DESC";
2586
2587 /* } else if ($feed == -7) { // shared
2588 $query_strategy_part = "uuid != ''";
2589 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2590 $allow_archived = true; */
2591 } else if ($feed == -3) { // fresh virtual feed
2592 $query_strategy_part = "unread = true AND score >= 0";
2593
2594 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2595
2596 if (DB_TYPE == "pgsql") {
2597 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2598 } else {
2599 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2600 }
2601
2602 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2603 } else if ($feed == -4) { // all articles virtual feed
2604 $allow_archived = true;
2605 $query_strategy_part = "true";
2606 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2607 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2608 $label_id = feed_to_label_id($feed);
2609
2610 $query_strategy_part = "label_id = '$label_id' AND
2611 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2612 ttrss_user_labels2.article_id = ref_id";
2613
2614 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2615 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2616 $allow_archived = true;
2617
2618 } else {
2619 $query_strategy_part = "true";
2620 }
2621
2622 $order_by = "score DESC, date_entered DESC, updated DESC";
2623
2624 if ($view_mode == "unread_first") {
2625 $order_by = "unread DESC, $order_by";
2626 }
2627
2628 if ($override_order) {
2629 $order_by = $override_order;
2630 }
2631
2632 if ($override_strategy) {
2633 $query_strategy_part = $override_strategy;
2634 }
2635
2636 if ($override_vfeed) {
2637 $vfeed_query_part = $override_vfeed;
2638 }
2639
2640 $feed_title = "";
2641
2642 if ($search) {
2643 $feed_title = T_sprintf("Search results: %s", $search);
2644 } else {
2645 if ($cat_view) {
2646 $feed_title = getCategoryTitle($feed);
2647 } else {
2648 if (is_numeric($feed) && $feed > 0) {
2649 $result = db_query("SELECT title,site_url,last_error,last_updated
2650 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2651
2652 $feed_title = db_fetch_result($result, 0, "title");
2653 $feed_site_url = db_fetch_result($result, 0, "site_url");
2654 $last_error = db_fetch_result($result, 0, "last_error");
2655 $last_updated = db_fetch_result($result, 0, "last_updated");
2656 } else {
2657 $feed_title = getFeedTitle($feed);
2658 }
2659 }
2660 }
2661
2662
2663 $content_query_part = "content, ";
2664
2665
2666 if (is_numeric($feed)) {
2667
2668 if ($feed >= 0) {
2669 $feed_kind = "Feeds";
2670 } else {
2671 $feed_kind = "Labels";
2672 }
2673
2674 if ($limit_query_part) {
2675 $offset_query_part = "OFFSET $offset";
2676 }
2677
2678 // proper override_order applied above
2679 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2680 if (!$override_order) {
2681 $order_by = "ttrss_feeds.title, $order_by";
2682 } else {
2683 $order_by = "ttrss_feeds.title, $override_order";
2684 }
2685 }
2686
2687 if (!$allow_archived) {
2688 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2689 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2690
2691 } else {
2692 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2693 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2694 }
2695
2696 if ($vfeed_query_part)
2697 $vfeed_query_part .= "favicon_avg_color,";
2698
2699 $query = "SELECT DISTINCT
2700 date_entered,
2701 guid,
2702 ttrss_entries.id,ttrss_entries.title,
2703 updated,
2704 label_cache,
2705 tag_cache,
2706 always_display_enclosures,
2707 site_url,
2708 note,
2709 num_comments,
2710 comments,
2711 int_id,
2712 uuid,
2713 lang,
2714 hide_images,
2715 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2716 last_marked, last_published,
2717 $vfeed_query_part
2718 $content_query_part
2719 author,score
2720 FROM
2721 $from_qpart
2722 WHERE
2723 $feed_check_qpart
2724 ttrss_user_entries.ref_id = ttrss_entries.id AND
2725 ttrss_user_entries.owner_uid = '$owner_uid' AND
2726 $search_query_part
2727 $filter_query_part
2728 $view_query_part
2729 $since_id_part
2730 $query_strategy_part ORDER BY $order_by
2731 $limit_query_part $offset_query_part";
2732
2733 if ($_REQUEST["debug"]) print $query;
2734
2735 $result = db_query($query);
2736
2737 } else {
2738 // browsing by tag
2739
2740 $select_qpart = "SELECT DISTINCT " .
2741 "date_entered," .
2742 "guid," .
2743 "note," .
2744 "ttrss_entries.id as id," .
2745 "title," .
2746 "updated," .
2747 "unread," .
2748 "feed_id," .
2749 "orig_feed_id," .
2750 "marked," .
2751 "num_comments, " .
2752 "comments, " .
2753 "tag_cache," .
2754 "label_cache," .
2755 "link," .
2756 "lang," .
2757 "uuid," .
2758 "last_read," .
2759 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2760 "last_marked, last_published, " .
2761 $since_id_part .
2762 $vfeed_query_part .
2763 $content_query_part .
2764 "score ";
2765
2766 $feed_kind = "Tags";
2767 $all_tags = explode(",", $feed);
2768 if ($search_mode == 'any') {
2769 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2770 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2771 $where_qpart = " WHERE " .
2772 "ref_id = ttrss_entries.id AND " .
2773 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2774 "post_int_id = int_id AND $tag_sql AND " .
2775 $view_query_part .
2776 $search_query_part .
2777 $query_strategy_part . " ORDER BY $order_by " .
2778 $limit_query_part;
2779
2780 } else {
2781 $i = 1;
2782 $sub_selects = array();
2783 $sub_ands = array();
2784 foreach ($all_tags as $term) {
2785 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2786 $i++;
2787 }
2788 if ($i > 2) {
2789 $x = 1;
2790 $y = 2;
2791 do {
2792 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2793 $x++;
2794 $y++;
2795 } while ($y < $i);
2796 }
2797 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2798 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2799 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2800 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2801 }
2802 // error_log("TAG SQL: " . $tag_sql);
2803 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2804
2805 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2806 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2807 }
2808
2809 return array($result, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words);
2810
2811 }
2812
2813 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
2814 if (!$owner) $owner = $_SESSION["uid"];
2815
2816 $res = trim($str); if (!$res) return '';
2817
2818 $charset_hack = '<head>
2819 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2820 </head>';
2821
2822 $res = trim($res); if (!$res) return '';
2823
2824 libxml_use_internal_errors(true);
2825
2826 $doc = new DOMDocument();
2827 $doc->loadHTML($charset_hack . $res);
2828 $xpath = new DOMXPath($doc);
2829
2830 $entries = $xpath->query('(//a[@href]|//img[@src])');
2831
2832 foreach ($entries as $entry) {
2833
2834 if ($site_url) {
2835
2836 if ($entry->hasAttribute('href')) {
2837 $entry->setAttribute('href',
2838 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2839
2840 $entry->setAttribute('rel', 'noreferrer');
2841 }
2842
2843 if ($entry->hasAttribute('src')) {
2844 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2845
2846 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2847
2848 if (file_exists($cached_filename)) {
2849 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2850 }
2851
2852 $entry->setAttribute('src', $src);
2853 }
2854
2855 if ($entry->nodeName == 'img') {
2856 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2857 $force_remove_images || $_SESSION["bw_limit"]) {
2858
2859 $p = $doc->createElement('p');
2860
2861 $a = $doc->createElement('a');
2862 $a->setAttribute('href', $entry->getAttribute('src'));
2863
2864 $a->appendChild(new DOMText($entry->getAttribute('src')));
2865 $a->setAttribute('target', '_blank');
2866
2867 $p->appendChild($a);
2868
2869 $entry->parentNode->replaceChild($p, $entry);
2870 }
2871 }
2872 }
2873
2874 if (strtolower($entry->nodeName) == "a") {
2875 $entry->setAttribute("target", "_blank");
2876 }
2877 }
2878
2879 $entries = $xpath->query('//iframe');
2880 foreach ($entries as $entry) {
2881 $entry->setAttribute('sandbox', 'allow-scripts');
2882
2883 }
2884
2885 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2886 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2887 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2888 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2889 'dt', 'em', 'footer', 'figure', 'figcaption',
2890 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2891 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2892 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2893 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2894 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2895 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2896
2897 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2898
2899 $disallowed_attributes = array('id', 'style', 'class');
2900
2901 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2902 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
2903 if (is_array($retval)) {
2904 $doc = $retval[0];
2905 $allowed_elements = $retval[1];
2906 $disallowed_attributes = $retval[2];
2907 } else {
2908 $doc = $retval;
2909 }
2910 }
2911
2912 $doc->removeChild($doc->firstChild); //remove doctype
2913 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2914
2915 if ($highlight_words) {
2916 foreach ($highlight_words as $word) {
2917
2918 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
2919
2920 $elements = $xpath->query("//*/text()");
2921
2922 foreach ($elements as $child) {
2923
2924 $fragment = $doc->createDocumentFragment();
2925 $text = $child->textContent;
2926 $stubs = array();
2927
2928 while (($pos = mb_stripos($text, $word)) !== false) {
2929 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
2930 $word = mb_substr($text, $pos, mb_strlen($word));
2931 $highlight = $doc->createElement('span');
2932 $highlight->appendChild(new DomText($word));
2933 $highlight->setAttribute('class', 'highlight');
2934 $fragment->appendChild($highlight);
2935 $text = mb_substr($text, $pos + mb_strlen($word));
2936 }
2937
2938 if (!empty($text)) $fragment->appendChild(new DomText($text));
2939
2940 $child->parentNode->replaceChild($fragment, $child);
2941 }
2942 }
2943 }
2944
2945 $res = $doc->saveHTML();
2946
2947 return $res;
2948 }
2949
2950 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2951 $xpath = new DOMXPath($doc);
2952 $entries = $xpath->query('//*');
2953
2954 foreach ($entries as $entry) {
2955 if (!in_array($entry->nodeName, $allowed_elements)) {
2956 $entry->parentNode->removeChild($entry);
2957 }
2958
2959 if ($entry->hasAttributes()) {
2960 $attrs_to_remove = array();
2961
2962 foreach ($entry->attributes as $attr) {
2963
2964 if (strpos($attr->nodeName, 'on') === 0) {
2965 array_push($attrs_to_remove, $attr);
2966 }
2967
2968 if (in_array($attr->nodeName, $disallowed_attributes)) {
2969 array_push($attrs_to_remove, $attr);
2970 }
2971 }
2972
2973 foreach ($attrs_to_remove as $attr) {
2974 $entry->removeAttributeNode($attr);
2975 }
2976 }
2977 }
2978
2979 return $doc;
2980 }
2981
2982 function check_for_update() {
2983 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2984 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2985 "&iid=" . sha1(SELF_URL_PATH);
2986
2987 $version_data = @fetch_file_contents($version_url);
2988
2989 if ($version_data) {
2990 $version_data = json_decode($version_data, true);
2991 if ($version_data && $version_data['version']) {
2992 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2993 return $version_data;
2994 }
2995 }
2996 }
2997 }
2998 return false;
2999 }
3000
3001 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
3002
3003 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3004 if (count($ids) == 0) return;
3005
3006 $tmp_ids = array();
3007
3008 foreach ($ids as $id) {
3009 array_push($tmp_ids, "ref_id = '$id'");
3010 }
3011
3012 $ids_qpart = join(" OR ", $tmp_ids);
3013
3014 if ($cmode == 0) {
3015 db_query("UPDATE ttrss_user_entries SET
3016 unread = false,last_read = NOW()
3017 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3018 } else if ($cmode == 1) {
3019 db_query("UPDATE ttrss_user_entries SET
3020 unread = true
3021 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3022 } else {
3023 db_query("UPDATE ttrss_user_entries SET
3024 unread = NOT unread,last_read = NOW()
3025 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3026 }
3027
3028 /* update ccache */
3029
3030 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
3031 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3032
3033 while ($line = db_fetch_assoc($result)) {
3034 ccache_update($line["feed_id"], $owner_uid);
3035 }
3036 }
3037
3038 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
3039
3040 $a_id = db_escape_string($id);
3041
3042 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3043
3044 $query = "SELECT DISTINCT tag_name,
3045 owner_uid as owner FROM
3046 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3047 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3048
3049 $tags = array();
3050
3051 /* check cache first */
3052
3053 if ($tag_cache === false) {
3054 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
3055 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3056
3057 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3058 }
3059
3060 if ($tag_cache) {
3061 $tags = explode(",", $tag_cache);
3062 } else {
3063
3064 /* do it the hard way */
3065
3066 $tmp_result = db_query($query);
3067
3068 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3069 array_push($tags, $tmp_line["tag_name"]);
3070 }
3071
3072 /* update the cache */
3073
3074 $tags_str = db_escape_string(join(",", $tags));
3075
3076 db_query("UPDATE ttrss_user_entries
3077 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3078 AND owner_uid = $owner_uid");
3079 }
3080
3081 return $tags;
3082 }
3083
3084 function trim_array($array) {
3085 $tmp = $array;
3086 array_walk($tmp, 'trim');
3087 return $tmp;
3088 }
3089
3090 function tag_is_valid($tag) {
3091 if ($tag == '') return false;
3092 if (preg_match("/^[0-9]*$/", $tag)) return false;
3093 if (mb_strlen($tag) > 250) return false;
3094
3095 if (!$tag) return false;
3096
3097 return true;
3098 }
3099
3100 function render_login_form() {
3101 header('Cache-Control: public');
3102
3103 require_once "login_form.php";
3104 exit;
3105 }
3106
3107 function format_warning($msg, $id = "") {
3108 global $link;
3109 return "<div class=\"warning\" id=\"$id\">
3110 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3111 }
3112
3113 function format_notice($msg, $id = "") {
3114 global $link;
3115 return "<div class=\"notice\" id=\"$id\">
3116 <span><img src=\"images/information.png\"></span><span>$msg</span></div>";
3117 }
3118
3119 function format_error($msg, $id = "") {
3120 global $link;
3121 return "<div class=\"error\" id=\"$id\">
3122 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3123 }
3124
3125 function print_notice($msg) {
3126 return print format_notice($msg);
3127 }
3128
3129 function print_warning($msg) {
3130 return print format_warning($msg);
3131 }
3132
3133 function print_error($msg) {
3134 return print format_error($msg);
3135 }
3136
3137
3138 function T_sprintf() {
3139 $args = func_get_args();
3140 return vsprintf(__(array_shift($args)), $args);
3141 }
3142
3143 function format_inline_player($url, $ctype) {
3144
3145 $entry = "";
3146
3147 $url = htmlspecialchars($url);
3148
3149 if (strpos($ctype, "audio/") === 0) {
3150
3151 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3152 $_SESSION["hasMp3"])) {
3153
3154 $entry .= "<audio preload=\"none\" controls>
3155 <source type=\"$ctype\" src=\"$url\"></source>
3156 </audio>";
3157
3158 } else {
3159
3160 $entry .= "<object type=\"application/x-shockwave-flash\"
3161 data=\"lib/button/musicplayer.swf?song_url=$url\"
3162 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3163 <param name=\"movie\"
3164 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3165 </object>";
3166 }
3167
3168 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3169 href=\"$url\">" . basename($url) . "</a>";
3170
3171 return $entry;
3172
3173 }
3174
3175 return "";
3176
3177 /* $filename = substr($url, strrpos($url, "/")+1);
3178
3179 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3180 $filename . " (" . $ctype . ")" . "</a>"; */
3181
3182 }
3183
3184 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3185 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3186
3187 $rv = array();
3188
3189 $rv['id'] = $id;
3190
3191 /* we can figure out feed_id from article id anyway, why do we
3192 * pass feed_id here? let's ignore the argument :(*/
3193
3194 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3195 WHERE ref_id = '$id'");
3196
3197 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3198
3199 $rv['feed_id'] = $feed_id;
3200
3201 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3202
3203 if ($mark_as_read) {
3204 $result = db_query("UPDATE ttrss_user_entries
3205 SET unread = false,last_read = NOW()
3206 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3207
3208 ccache_update($feed_id, $owner_uid);
3209 }
3210
3211 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
3212 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3213 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3214 (SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
3215 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3216 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3217 num_comments,
3218 tag_cache,
3219 author,
3220 orig_feed_id,
3221 note
3222 FROM ttrss_entries,ttrss_user_entries
3223 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3224
3225 if ($result) {
3226
3227 $line = db_fetch_assoc($result);
3228
3229 $tag_cache = $line["tag_cache"];
3230
3231 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3232 unset($line["tag_cache"]);
3233
3234 $line["content"] = sanitize($line["content"],
3235 sql_bool_to_bool($line['hide_images']),
3236 $owner_uid, $line["site_url"], false, $line["id"]);
3237
3238 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3239 $line = $p->hook_render_article($line);
3240 }
3241
3242 $num_comments = $line["num_comments"];
3243 $entry_comments = "";
3244
3245 if ($num_comments > 0) {
3246 if ($line["comments"]) {
3247 $comments_url = htmlspecialchars($line["comments"]);
3248 } else {
3249 $comments_url = htmlspecialchars($line["link"]);
3250 }
3251 $entry_comments = "<a class=\"postComments\"
3252 target='_blank' href=\"$comments_url\">$num_comments ".
3253 _ngettext("comment", "comments", $num_comments)."</a>";
3254
3255 } else {
3256 if ($line["comments"] && $line["link"] != $line["comments"]) {
3257 $entry_comments = "<a class=\"postComments\" target='_blank' href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
3258 }
3259 }
3260
3261 if ($zoom_mode) {
3262 header("Content-Type: text/html");
3263 $rv['content'] .= "<html><head>
3264 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3265 <title>Tiny Tiny RSS - ".$line["title"]."</title>".
3266 stylesheet_tag("css/tt-rss.css").
3267 stylesheet_tag("css/zoom.css").
3268 stylesheet_tag("css/dijit.css")."
3269
3270 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
3271 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
3272
3273 <script type=\"text/javascript\">
3274 function openSelectedAttachment(elem) {
3275 try {
3276 var url = elem[elem.selectedIndex].value;
3277
3278 if (url) {
3279 window.open(url);
3280 elem.selectedIndex = 0;
3281 }
3282
3283 } catch (e) {
3284 exception_error(\"openSelectedAttachment\", e);
3285 }
3286 }
3287 </script>
3288 </head><body id=\"ttrssZoom\">";
3289 }
3290
3291 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3292
3293 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3294
3295 $entry_author = $line["author"];
3296
3297 if ($entry_author) {
3298 $entry_author = __(" - ") . $entry_author;
3299 }
3300
3301 $parsed_updated = make_local_datetime($line["updated"], true,
3302 $owner_uid, true);
3303
3304 if (!$zoom_mode)
3305 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3306
3307 if ($line["link"]) {
3308 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3309 title=\"".htmlspecialchars($line['title'])."\"
3310 href=\"" .
3311 htmlspecialchars($line["link"]) . "\">" .
3312 $line["title"] . "</a>" .
3313 "<span class='author'>$entry_author</span></div>";
3314 } else {
3315 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3316 }
3317
3318 if ($zoom_mode) {
3319 $feed_title = "<a href=\"".htmlspecialchars($line["site_url"]).
3320 "\" target=\"_blank\">".
3321 htmlspecialchars($line["feed_title"])."</a>";
3322
3323 $rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
3324
3325 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3326 }
3327
3328 $tags_str = format_tags_string($line["tags"], $id);
3329 $tags_str_full = join(", ", $line["tags"]);
3330
3331 if (!$tags_str_full) $tags_str_full = __("no tags");
3332
3333 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3334
3335 $rv['content'] .= "<div class='postTags' style='float : right'>
3336 <img src='images/tag.png'
3337 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3338
3339 if (!$zoom_mode) {
3340 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3341 <a title=\"".__('Edit tags for this article')."\"
3342 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3343
3344 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3345 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3346 position=\"below\">$tags_str_full</div>";
3347
3348 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3349 $rv['content'] .= $p->hook_article_button($line);
3350 }
3351
3352 } else {
3353 $tags_str = strip_tags($tags_str);
3354 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3355 }
3356 $rv['content'] .= "</div>";
3357 $rv['content'] .= "<div clear='both'>";
3358
3359 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3360 $rv['content'] .= $p->hook_article_left_button($line);
3361 }
3362
3363 $rv['content'] .= "$entry_comments</div>";
3364
3365 if ($line["orig_feed_id"]) {
3366
3367 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3368 WHERE id = ".$line["orig_feed_id"]);
3369
3370 if (db_num_rows($tmp_result) != 0) {
3371
3372 $rv['content'] .= "<div clear='both'>";
3373 $rv['content'] .= __("Originally from:");
3374
3375 $rv['content'] .= "&nbsp;";
3376
3377 $tmp_line = db_fetch_assoc($tmp_result);
3378
3379 $rv['content'] .= "<a target='_blank'
3380 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3381 $tmp_line['title'] . "</a>";
3382
3383 $rv['content'] .= "&nbsp;";
3384
3385 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3386 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3387
3388 $rv['content'] .= "</div>";
3389 }
3390 }
3391
3392 $rv['content'] .= "</div>";
3393
3394 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3395 if ($line['note']) {
3396 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3397 }
3398 $rv['content'] .= "</div>";
3399
3400 if (!$line['lang']) $line['lang'] = 'en';
3401
3402 $rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
3403
3404 $rv['content'] .= $line["content"];
3405 $rv['content'] .= format_article_enclosures($id,
3406 sql_bool_to_bool($line["always_display_enclosures"]),
3407 $line["content"],
3408 sql_bool_to_bool($line["hide_images"]));
3409
3410 $rv['content'] .= "</div>";
3411
3412 $rv['content'] .= "</div>";
3413
3414 }
3415
3416 if ($zoom_mode) {
3417 $rv['content'] .= "
3418 <div class='footer'>
3419 <button onclick=\"return window.close()\">".
3420 __("Close this window")."</button></div>";
3421 $rv['content'] .= "</body></html>";
3422 }
3423
3424 return $rv;
3425
3426 }
3427
3428 function print_checkpoint($n, $s) {
3429 $ts = microtime(true);
3430 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3431 return $ts;
3432 }
3433
3434 function sanitize_tag($tag) {
3435 $tag = trim($tag);
3436
3437 $tag = mb_strtolower($tag, 'utf-8');
3438
3439 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3440
3441 // $tag = str_replace('"', "", $tag);
3442 // $tag = str_replace("+", " ", $tag);
3443 $tag = str_replace("technorati tag: ", "", $tag);
3444
3445 return $tag;
3446 }
3447
3448 function get_self_url_prefix() {
3449 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3450 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3451 } else {
3452 return SELF_URL_PATH;
3453 }
3454 }
3455
3456 /**
3457 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3458 *
3459 * @return string The Mozilla Firefox feed adding URL.
3460 */
3461 function add_feed_url() {
3462 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3463
3464 $url_path = get_self_url_prefix() .
3465 "/public.php?op=subscribe&feed_url=%s";
3466 return $url_path;
3467 } // function add_feed_url
3468
3469 function encrypt_password($pass, $salt = '', $mode2 = false) {
3470 if ($salt && $mode2) {
3471 return "MODE2:" . hash('sha256', $salt . $pass);
3472 } else if ($salt) {
3473 return "SHA1X:" . sha1("$salt:$pass");
3474 } else {
3475 return "SHA1:" . sha1($pass);
3476 }
3477 } // function encrypt_password
3478
3479 function load_filters($feed_id, $owner_uid, $action_id = false) {
3480 $filters = array();
3481
3482 $cat_id = (int)getFeedCategory($feed_id);
3483
3484 if ($cat_id == 0)
3485 $null_cat_qpart = "cat_id IS NULL OR";
3486 else
3487 $null_cat_qpart = "";
3488
3489 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3490 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3491
3492 $check_cats = join(",", array_merge(
3493 getParentCategories($cat_id, $owner_uid),
3494 array($cat_id)));
3495
3496 while ($line = db_fetch_assoc($result)) {
3497 $filter_id = $line["id"];
3498
3499 $result2 = db_query("SELECT
3500 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3501 FROM ttrss_filters2_rules AS r,
3502 ttrss_filter_types AS t
3503 WHERE
3504 ($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats)) AND
3505 (feed_id IS NULL OR feed_id = '$feed_id') AND
3506 filter_type = t.id AND filter_id = '$filter_id'");
3507
3508 $rules = array();
3509 $actions = array();
3510
3511 while ($rule_line = db_fetch_assoc($result2)) {
3512 # print_r($rule_line);
3513
3514 $rule = array();
3515 $rule["reg_exp"] = $rule_line["reg_exp"];
3516 $rule["type"] = $rule_line["type_name"];
3517 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3518
3519 array_push($rules, $rule);
3520 }
3521
3522 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3523 FROM ttrss_filters2_actions AS a,
3524 ttrss_filter_actions AS t
3525 WHERE
3526 action_id = t.id AND filter_id = '$filter_id'");
3527
3528 while ($action_line = db_fetch_assoc($result2)) {
3529 # print_r($action_line);
3530
3531 $action = array();
3532 $action["type"] = $action_line["type_name"];
3533 $action["param"] = $action_line["action_param"];
3534
3535 array_push($actions, $action);
3536 }
3537
3538
3539 $filter = array();
3540 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3541 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3542 $filter["rules"] = $rules;
3543 $filter["actions"] = $actions;
3544
3545 if (count($rules) > 0 && count($actions) > 0) {
3546 array_push($filters, $filter);
3547 }
3548 }
3549
3550 return $filters;
3551 }
3552
3553 function get_score_pic($score) {
3554 if ($score > 100) {
3555 return "score_high.png";
3556 } else if ($score > 0) {
3557 return "score_half_high.png";
3558 } else if ($score < -100) {
3559 return "score_low.png";
3560 } else if ($score < 0) {
3561 return "score_half_low.png";
3562 } else {
3563 return "score_neutral.png";
3564 }
3565 }
3566
3567 function feed_has_icon($id) {
3568 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3569 }
3570
3571 function init_plugins() {
3572 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3573
3574 return true;
3575 }
3576
3577 function format_tags_string($tags, $id) {
3578 if (!is_array($tags) || count($tags) == 0) {
3579 return __("no tags");
3580 } else {
3581 $maxtags = min(5, count($tags));
3582
3583 for ($i = 0; $i < $maxtags; $i++) {
3584 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."')\">" . $tags[$i] . "</a>, ";
3585 }
3586
3587 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3588
3589 if (count($tags) > $maxtags)
3590 $tags_str .= ", &hellip;";
3591
3592 return $tags_str;
3593 }
3594 }
3595
3596 function format_article_labels($labels, $id) {
3597
3598 if (!is_array($labels)) return '';
3599
3600 $labels_str = "";
3601
3602 foreach ($labels as $l) {
3603 $labels_str .= sprintf("<span class='hlLabelRef'
3604 style='color : %s; background-color : %s'>%s</span>",
3605 $l[2], $l[3], $l[1]);
3606 }
3607
3608 return $labels_str;
3609
3610 }
3611
3612 function format_article_note($id, $note, $allow_edit = true) {
3613
3614 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3615 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3616 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3617
3618 return $str;
3619 }
3620
3621
3622 function get_feed_category($feed_cat, $parent_cat_id = false) {
3623 if ($parent_cat_id) {
3624 $parent_qpart = "parent_cat = '$parent_cat_id'";
3625 $parent_insert = "'$parent_cat_id'";
3626 } else {
3627 $parent_qpart = "parent_cat IS NULL";
3628 $parent_insert = "NULL";
3629 }
3630
3631 $result = db_query(
3632 "SELECT id FROM ttrss_feed_categories
3633 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3634
3635 if (db_num_rows($result) == 0) {
3636 return false;
3637 } else {
3638 return db_fetch_result($result, 0, "id");
3639 }
3640 }
3641
3642 function add_feed_category($feed_cat, $parent_cat_id = false) {
3643
3644 if (!$feed_cat) return false;
3645
3646 db_query("BEGIN");
3647
3648 if ($parent_cat_id) {
3649 $parent_qpart = "parent_cat = '$parent_cat_id'";
3650 $parent_insert = "'$parent_cat_id'";
3651 } else {
3652 $parent_qpart = "parent_cat IS NULL";
3653 $parent_insert = "NULL";
3654 }
3655
3656 $feed_cat = mb_substr($feed_cat, 0, 250);
3657
3658 $result = db_query(
3659 "SELECT id FROM ttrss_feed_categories
3660 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3661
3662 if (db_num_rows($result) == 0) {
3663
3664 $result = db_query(
3665 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3666 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3667
3668 db_query("COMMIT");
3669
3670 return true;
3671 }
3672
3673 return false;
3674 }
3675
3676 function getArticleFeed($id) {
3677 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3678 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3679
3680 if (db_num_rows($result) != 0) {
3681 return db_fetch_result($result, 0, "feed_id");
3682 } else {
3683 return 0;
3684 }
3685 }
3686
3687 /**
3688 * Fixes incomplete URLs by prepending "http://".
3689 * Also replaces feed:// with http://, and
3690 * prepends a trailing slash if the url is a domain name only.
3691 *
3692 * @param string $url Possibly incomplete URL
3693 *
3694 * @return string Fixed URL.
3695 */
3696 function fix_url($url) {
3697 if (strpos($url, '://') === false) {
3698 $url = 'http://' . $url;
3699 } else if (substr($url, 0, 5) == 'feed:') {
3700 $url = 'http:' . substr($url, 5);
3701 }
3702
3703 //prepend slash if the URL has no slash in it
3704 // "http://www.example" -> "http://www.example/"
3705 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3706 $url .= '/';
3707 }
3708
3709 if ($url != "http:///")
3710 return $url;
3711 else
3712 return '';
3713 }
3714
3715 function validate_feed_url($url) {
3716 $parts = parse_url($url);
3717
3718 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3719
3720 }
3721
3722 function get_article_enclosures($id) {
3723
3724 $query = "SELECT * FROM ttrss_enclosures
3725 WHERE post_id = '$id' AND content_url != ''";
3726
3727 $rv = array();
3728
3729 $result = db_query($query);
3730
3731 if (db_num_rows($result) > 0) {
3732 while ($line = db_fetch_assoc($result)) {
3733 array_push($rv, $line);
3734 }
3735 }
3736
3737 return $rv;
3738 }
3739
3740 function save_email_address($email) {
3741 // FIXME: implement persistent storage of emails
3742
3743 if (!$_SESSION['stored_emails'])
3744 $_SESSION['stored_emails'] = array();
3745
3746 if (!in_array($email, $_SESSION['stored_emails']))
3747 array_push($_SESSION['stored_emails'], $email);
3748 }
3749
3750
3751 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3752
3753 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3754
3755 $sql_is_cat = bool_to_sql_bool($is_cat);
3756
3757 $result = db_query("SELECT access_key FROM ttrss_access_keys
3758 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3759 AND owner_uid = " . $owner_uid);
3760
3761 if (db_num_rows($result) == 1) {
3762 return db_fetch_result($result, 0, "access_key");
3763 } else {
3764 $key = db_escape_string(uniqid(base_convert(rand(), 10, 36)));
3765
3766 $result = db_query("INSERT INTO ttrss_access_keys
3767 (access_key, feed_id, is_cat, owner_uid)
3768 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3769
3770 return $key;
3771 }
3772 return false;
3773 }
3774
3775 function get_feeds_from_html($url, $content)
3776 {
3777 $url = fix_url($url);
3778 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3779
3780 libxml_use_internal_errors(true);
3781
3782 $doc = new DOMDocument();
3783 $doc->loadHTML($content);
3784 $xpath = new DOMXPath($doc);
3785 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3786 $feedUrls = array();
3787 foreach ($entries as $entry) {
3788 if ($entry->hasAttribute('href')) {
3789 $title = $entry->getAttribute('title');
3790 if ($title == '') {
3791 $title = $entry->getAttribute('type');
3792 }
3793 $feedUrl = rewrite_relative_url(
3794 $baseUrl, $entry->getAttribute('href')
3795 );
3796 $feedUrls[$feedUrl] = $title;
3797 }
3798 }
3799 return $feedUrls;
3800 }
3801
3802 function is_html($content) {
3803 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3804 }
3805
3806 function url_is_html($url, $login = false, $pass = false) {
3807 return is_html(fetch_file_contents($url, false, $login, $pass));
3808 }
3809
3810 function print_label_select($name, $value, $attributes = "") {
3811
3812 $result = db_query("SELECT caption FROM ttrss_labels2
3813 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3814
3815 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3816 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3817
3818 while ($line = db_fetch_assoc($result)) {
3819
3820 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3821
3822 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3823 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3824
3825 }
3826
3827 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3828
3829 print "</select>";
3830
3831
3832 }
3833
3834 function format_article_enclosures($id, $always_display_enclosures,
3835 $article_content, $hide_images = false) {
3836
3837 $result = get_article_enclosures($id);
3838 $rv = '';
3839
3840 if (count($result) > 0) {
3841
3842 $entries_html = array();
3843 $entries = array();
3844 $entries_inline = array();
3845
3846 foreach ($result as $line) {
3847
3848 $url = $line["content_url"];
3849 $ctype = $line["content_type"];
3850 $title = $line["title"];
3851
3852 if (!$ctype) $ctype = __("unknown type");
3853
3854 $filename = substr($url, strrpos($url, "/")+1);
3855
3856 $player = format_inline_player($url, $ctype);
3857
3858 if ($player) array_push($entries_inline, $player);
3859
3860 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3861 # $filename . " (" . $ctype . ")" . "</a>";
3862
3863 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3864 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3865
3866 array_push($entries_html, $entry);
3867
3868 $entry = array();
3869
3870 $entry["type"] = $ctype;
3871 $entry["filename"] = $filename;
3872 $entry["url"] = $url;
3873 $entry["title"] = $title;
3874
3875 array_push($entries, $entry);
3876 }
3877
3878 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3879 if ($always_display_enclosures ||
3880 !preg_match("/<img/i", $article_content)) {
3881
3882 foreach ($entries as $entry) {
3883
3884 if (preg_match("/image/", $entry["type"]) ||
3885 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3886
3887 if (!$hide_images) {
3888 $rv .= "<p><img
3889 alt=\"".htmlspecialchars($entry["filename"])."\"
3890 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3891 } else {
3892 $rv .= "<p><a target=\"_blank\"
3893 href=\"".htmlspecialchars($entry["url"])."\"
3894 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3895 }
3896
3897 if ($entry['title']) {
3898 $rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
3899 }
3900 }
3901 }
3902 }
3903 }
3904
3905 if (count($entries_inline) > 0) {
3906 $rv .= "<hr clear='both'/>";
3907 foreach ($entries_inline as $entry) { $rv .= $entry; };
3908 $rv .= "<hr clear='both'/>";
3909 }
3910
3911 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3912 "<option value=''>" . __('Attachments')."</option>";
3913
3914 foreach ($entries as $entry) {
3915 if ($entry["title"])
3916 $title = "&mdash; " . truncate_string($entry["title"], 30);
3917 else
3918 $title = "";
3919
3920 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "$title</option>";
3921
3922 };
3923
3924 $rv .= "</select>";
3925 }
3926
3927 return $rv;
3928 }
3929
3930 function getLastArticleId() {
3931 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3932 WHERE owner_uid = " . $_SESSION["uid"]);
3933
3934 if (db_num_rows($result) == 1) {
3935 return db_fetch_result($result, 0, "id");
3936 } else {
3937 return -1;
3938 }
3939 }
3940
3941 function build_url($parts) {
3942 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3943 }
3944
3945 /**
3946 * Converts a (possibly) relative URL to a absolute one.
3947 *
3948 * @param string $url Base URL (i.e. from where the document is)
3949 * @param string $rel_url Possibly relative URL in the document
3950 *
3951 * @return string Absolute URL
3952 */
3953 function rewrite_relative_url($url, $rel_url) {
3954 if (strpos($rel_url, ":") !== false) {
3955 return $rel_url;
3956 } else if (strpos($rel_url, "://") !== false) {
3957 return $rel_url;
3958 } else if (strpos($rel_url, "//") === 0) {
3959 # protocol-relative URL (rare but they exist)
3960 return $rel_url;
3961 } else if (strpos($rel_url, "/") === 0)
3962 {
3963 $parts = parse_url($url);
3964 $parts['path'] = $rel_url;
3965
3966 return build_url($parts);
3967
3968 } else {
3969 $parts = parse_url($url);
3970 if (!isset($parts['path'])) {
3971 $parts['path'] = '/';
3972 }
3973 $dir = $parts['path'];
3974 if (substr($dir, -1) !== '/') {
3975 $dir = dirname($parts['path']);
3976 $dir !== '/' && $dir .= '/';
3977 }
3978 $parts['path'] = $dir . $rel_url;
3979
3980 return build_url($parts);
3981 }
3982 }
3983
3984 function sphinx_search($query, $offset = 0, $limit = 30) {
3985 require_once 'lib/sphinxapi.php';
3986
3987 $sphinxClient = new SphinxClient();
3988
3989 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3990
3991 $sphinxClient->SetServer($sphinxpair[0], (int)$sphinxpair[1]);
3992 $sphinxClient->SetConnectTimeout(1);
3993
3994 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3995 'feed_title' => 20));
3996
3997 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3998 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3999 $sphinxClient->SetLimits($offset, $limit, 1000);
4000 $sphinxClient->SetArrayResult(false);
4001 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
4002
4003 $result = $sphinxClient->Query($query, SPHINX_INDEX);
4004
4005 $ids = array();
4006
4007 if (is_array($result['matches'])) {
4008 foreach (array_keys($result['matches']) as $int_id) {
4009 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4010 array_push($ids, $ref_id);
4011 }
4012 }
4013
4014 return $ids;
4015 }
4016
4017 function cleanup_tags($days = 14, $limit = 1000) {
4018
4019 if (DB_TYPE == "pgsql") {
4020 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4021 } else if (DB_TYPE == "mysql") {
4022 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4023 }
4024
4025 $tags_deleted = 0;
4026
4027 while ($limit > 0) {
4028 $limit_part = 500;
4029
4030 $query = "SELECT ttrss_tags.id AS id
4031 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4032 WHERE post_int_id = int_id AND $interval_query AND
4033 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4034
4035 $result = db_query($query);
4036
4037 $ids = array();
4038
4039 while ($line = db_fetch_assoc($result)) {
4040 array_push($ids, $line['id']);
4041 }
4042
4043 if (count($ids) > 0) {
4044 $ids = join(",", $ids);
4045
4046 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
4047 $tags_deleted += db_affected_rows($tmp_result);
4048 } else {
4049 break;
4050 }
4051
4052 $limit -= $limit_part;
4053 }
4054
4055 return $tags_deleted;
4056 }
4057
4058 function print_user_stylesheet() {
4059 $value = get_pref('USER_STYLESHEET');
4060
4061 if ($value) {
4062 print "<style type=\"text/css\">";
4063 print str_replace("<br/>", "\n", $value);
4064 print "</style>";
4065 }
4066
4067 }
4068
4069 function filter_to_sql($filter, $owner_uid) {
4070 $query = array();
4071
4072 if (DB_TYPE == "pgsql")
4073 $reg_qpart = "~";
4074 else
4075 $reg_qpart = "REGEXP";
4076
4077 foreach ($filter["rules"] AS $rule) {
4078 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
4079 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
4080 $rule['reg_exp']) !== FALSE;
4081
4082 if ($regexp_valid) {
4083
4084 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
4085
4086 switch ($rule["type"]) {
4087 case "title":
4088 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4089 $rule['reg_exp'] . "')";
4090 break;
4091 case "content":
4092 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
4093 $rule['reg_exp'] . "')";
4094 break;
4095 case "both":
4096 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4097 $rule['reg_exp'] . "') OR LOWER(" .
4098 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
4099 break;
4100 case "tag":
4101 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
4102 $rule['reg_exp'] . "')";
4103 break;
4104 case "link":
4105 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
4106 $rule['reg_exp'] . "')";
4107 break;
4108 case "author":
4109 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
4110 $rule['reg_exp'] . "')";
4111 break;
4112 }
4113
4114 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
4115
4116 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
4117 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
4118 }
4119
4120 if (isset($rule["cat_id"])) {
4121
4122 if ($rule["cat_id"] > 0) {
4123 $children = getChildCategories($rule["cat_id"], $owner_uid);
4124 array_push($children, $rule["cat_id"]);
4125
4126 $children = join(",", $children);
4127
4128 $cat_qpart = "cat_id IN ($children)";
4129 } else {
4130 $cat_qpart = "cat_id IS NULL";
4131 }
4132
4133 $qpart .= " AND $cat_qpart";
4134 }
4135
4136 $qpart .= " AND feed_id IS NOT NULL";
4137
4138 array_push($query, "($qpart)");
4139
4140 }
4141 }
4142
4143 if (count($query) > 0) {
4144 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4145 } else {
4146 $fullquery = "(false)";
4147 }
4148
4149 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4150
4151 return $fullquery;
4152 }
4153
4154 if (!function_exists('gzdecode')) {
4155 function gzdecode($string) { // no support for 2nd argument
4156 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4157 base64_encode($string));
4158 }
4159 }
4160
4161 function get_random_bytes($length) {
4162 if (function_exists('openssl_random_pseudo_bytes')) {
4163 return openssl_random_pseudo_bytes($length);
4164 } else {
4165 $output = "";
4166
4167 for ($i = 0; $i < $length; $i++)
4168 $output .= chr(mt_rand(0, 255));
4169
4170 return $output;
4171 }
4172 }
4173
4174 function read_stdin() {
4175 $fp = fopen("php://stdin", "r");
4176
4177 if ($fp) {
4178 $line = trim(fgets($fp));
4179 fclose($fp);
4180 return $line;
4181 }
4182
4183 return null;
4184 }
4185
4186 function tmpdirname($path, $prefix) {
4187 // Use PHP's tmpfile function to create a temporary
4188 // directory name. Delete the file and keep the name.
4189 $tempname = tempnam($path,$prefix);
4190 if (!$tempname)
4191 return false;
4192
4193 if (!unlink($tempname))
4194 return false;
4195
4196 return $tempname;
4197 }
4198
4199 function getFeedCategory($feed) {
4200 $result = db_query("SELECT cat_id FROM ttrss_feeds
4201 WHERE id = '$feed'");
4202
4203 if (db_num_rows($result) > 0) {
4204 return db_fetch_result($result, 0, "cat_id");
4205 } else {
4206 return false;
4207 }
4208
4209 }
4210
4211 function implements_interface($class, $interface) {
4212 return in_array($interface, class_implements($class));
4213 }
4214
4215 function geturl($url, $depth = 0){
4216
4217 if ($depth == 20) return $url;
4218
4219 if (!function_exists('curl_init'))
4220 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);
4221
4222 $curl = curl_init();
4223 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4224 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4225 $header[] = "Cache-Control: max-age=0";
4226 $header[] = "Connection: keep-alive";
4227 $header[] = "Keep-Alive: 300";
4228 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4229 $header[] = "Accept-Language: en-us,en;q=0.5";
4230 $header[] = "Pragma: ";
4231
4232 curl_setopt($curl, CURLOPT_URL, $url);
4233 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4234 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4235 curl_setopt($curl, CURLOPT_HEADER, true);
4236 curl_setopt($curl, CURLOPT_REFERER, $url);
4237 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4238 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4239 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4240 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4241 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4242 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
4243
4244 if (defined('_CURL_HTTP_PROXY')) {
4245 curl_setopt($curl, CURLOPT_PROXY, _CURL_HTTP_PROXY);
4246 }
4247
4248 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
4249 curl_setopt($curl, CURLOPT_SSLVERSION, 3);
4250 }
4251
4252 $html = curl_exec($curl);
4253
4254 $status = curl_getinfo($curl);
4255
4256 if($status['http_code']!=200){
4257 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4258 curl_close($curl);
4259 list($header) = explode("\r\n\r\n", $html, 2);
4260 $matches = array();
4261 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4262 $url = trim(str_replace($matches[1],"",$matches[0]));
4263 $url_parsed = parse_url($url);
4264 return (isset($url_parsed))? geturl($url, $depth + 1):'';
4265 }
4266
4267 global $fetch_last_error;
4268
4269 $fetch_last_error = curl_errno($curl) . " " . curl_error($curl);
4270 curl_close($curl);
4271
4272 $oline='';
4273 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4274 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4275 # $handle = @fopen('./curl.error.log', 'a');
4276 # fwrite($handle, $line);
4277 return FALSE;
4278 }
4279 curl_close($curl);
4280 return $url;
4281 }
4282
4283 function get_minified_js($files) {
4284 require_once 'lib/jshrink/Minifier.php';
4285
4286 $rv = '';
4287
4288 foreach ($files as $js) {
4289 if (!isset($_GET['debug'])) {
4290 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4291
4292 if (file_exists($cached_file) &&
4293 is_readable($cached_file) &&
4294 filemtime($cached_file) >= filemtime("js/$js.js")) {
4295
4296 $rv .= file_get_contents($cached_file);
4297
4298 } else {
4299 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4300 file_put_contents($cached_file, $minified);
4301 $rv .= $minified;
4302 }
4303 } else {
4304 $rv .= file_get_contents("js/$js.js");
4305 }
4306 }
4307
4308 return $rv;
4309 }
4310
4311 function stylesheet_tag($filename) {
4312 $timestamp = filemtime($filename);
4313
4314 return "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4315 }
4316
4317 function javascript_tag($filename) {
4318 $query = "";
4319
4320 if (!(strpos($filename, "?") === FALSE)) {
4321 $query = substr($filename, strpos($filename, "?")+1);
4322 $filename = substr($filename, 0, strpos($filename, "?"));
4323 }
4324
4325 $timestamp = filemtime($filename);
4326
4327 if ($query) $timestamp .= "&$query";
4328
4329 return "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4330 }
4331
4332 function calculate_dep_timestamp() {
4333 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
4334
4335 $max_ts = -1;
4336
4337 foreach ($files as $file) {
4338 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4339 }
4340
4341 return $max_ts;
4342 }
4343
4344 function T_js_decl($s1, $s2) {
4345 if ($s1 && $s2) {
4346 $s1 = preg_replace("/\n/", "", $s1);
4347 $s2 = preg_replace("/\n/", "", $s2);
4348
4349 $s1 = preg_replace("/\"/", "\\\"", $s1);
4350 $s2 = preg_replace("/\"/", "\\\"", $s2);
4351
4352 return "T_messages[\"$s1\"] = \"$s2\";\n";
4353 }
4354 }
4355
4356 function init_js_translations() {
4357
4358 print 'var T_messages = new Object();
4359
4360 function __(msg) {
4361 if (T_messages[msg]) {
4362 return T_messages[msg];
4363 } else {
4364 return msg;
4365 }
4366 }
4367
4368 function ngettext(msg1, msg2, n) {
4369 return __((parseInt(n) > 1) ? msg2 : msg1);
4370 }';
4371
4372 $l10n = _get_reader();
4373
4374 for ($i = 0; $i < $l10n->total; $i++) {
4375 $orig = $l10n->get_original_string($i);
4376 if(strpos($orig, "\000") !== FALSE) { // Plural forms
4377 $key = explode(chr(0), $orig);
4378 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
4379 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
4380 } else {
4381 $translation = __($orig);
4382 print T_js_decl($orig, $translation);
4383 }
4384 }
4385 }
4386
4387 function label_to_feed_id($label) {
4388 return LABEL_BASE_INDEX - 1 - abs($label);
4389 }
4390
4391 function feed_to_label_id($feed) {
4392 return LABEL_BASE_INDEX - 1 + abs($feed);
4393 }
4394
4395 function format_libxml_error($error) {
4396 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4397 $error->code, $error->line, $error->column,
4398 $error->message);
4399 }
4400
4401 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/