]> git.wh0rd.org - tt-rss.git/blob - include/functions.php
git.wh0rd.org / tt-rss.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge pull request #311 from fsateler/curl-cookie-jar
[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 123);
4
5 define('LABEL_BASE_INDEX', -1024);
6 define('PLUGIN_FEED_BASE_INDEX', -128);
7
8 define('COOKIE_LIFETIME_LONG', 86400*365);
9
10 $fetch_last_error = false;
11 $fetch_last_error_code = false;
12 $fetch_last_content_type = false;
13 $fetch_curl_used = false;
14 $suppress_debugging = false;
15
16 mb_internal_encoding("UTF-8");
17 date_default_timezone_set('UTC');
18 if (defined('E_DEPRECATED')) {
19 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
20 } else {
21 error_reporting(E_ALL & ~E_NOTICE);
22 }
23
24 require_once 'config.php';
25
26 /**
27 * Define a constant if not already defined
28 *
29 * @param string $name The constant name.
30 * @param mixed $value The constant value.
31 * @access public
32 * @return boolean True if defined successfully or not.
33 */
34 function define_default($name, $value) {
35 defined($name) or define($name, $value);
36 }
37
38 ///// Some defaults that you can override in config.php //////
39
40 define_default('FEED_FETCH_TIMEOUT', 45);
41 // How may seconds to wait for response when requesting feed from a site
42 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
43 // How may seconds to wait for response when requesting feed from a
44 // site when that feed wasn't cached before
45 define_default('FILE_FETCH_TIMEOUT', 45);
46 // Default timeout when fetching files from remote sites
47 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
48 // How many seconds to wait for initial response from website when
49 // fetching files from remote sites
50
51 if (DB_TYPE == "pgsql") {
52 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
53 } else {
54 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
55 }
56
57 /**
58 * Return available translations names.
59 *
60 * @access public
61 * @return array A array of available translations.
62 */
63 function get_translations() {
64 $tr = array(
65 "auto" => "Detect automatically",
66 "ca_CA" => "Català",
67 "cs_CZ" => "Česky",
68 "en_US" => "English",
69 "es_ES" => "Español",
70 "de_DE" => "Deutsch",
71 "fr_FR" => "Français",
72 "hu_HU" => "Magyar (Hungarian)",
73 "it_IT" => "Italiano",
74 "ja_JP" => "日本語 (Japanese)",
75 "lv_LV" => "Latviešu",
76 "nb_NO" => "Norwegian bokmål",
77 "nl_NL" => "Dutch",
78 "pl_PL" => "Polski",
79 "ru_RU" => "Русский",
80 "pt_BR" => "Portuguese/Brazil",
81 "zh_CN" => "Simplified Chinese",
82 "sv_SE" => "Svenska",
83 "fi_FI" => "Suomi");
84
85 return $tr;
86 }
87
88 require_once "lib/accept-to-gettext.php";
89 require_once "lib/gettext/gettext.inc";
90
91 require_once "lib/languagedetect/LanguageDetect.php";
92
93 function startup_gettext() {
94
95 # Get locale from Accept-Language header
96 $lang = al2gt(array_keys(get_translations()), "text/html");
97
98 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
99 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
100 }
101
102 if ($_SESSION["uid"] && get_schema_version() >= 120) {
103 $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
104
105 if ($pref_lang && $pref_lang != 'auto') {
106 $lang = $pref_lang;
107 }
108 }
109
110 if ($lang) {
111 if (defined('LC_MESSAGES')) {
112 _setlocale(LC_MESSAGES, $lang);
113 } else if (defined('LC_ALL')) {
114 _setlocale(LC_ALL, $lang);
115 }
116
117 _bindtextdomain("messages", "locale");
118
119 _textdomain("messages");
120 _bind_textdomain_codeset("messages", "UTF-8");
121 }
122 }
123
124 require_once 'db-prefs.php';
125 require_once 'version.php';
126 require_once 'ccache.php';
127 require_once 'labels.php';
128
129 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
130 ini_set('user_agent', SELF_USER_AGENT);
131
132 require_once 'lib/pubsubhubbub/publisher.php';
133
134 $schema_version = false;
135
136 function _debug_suppress($suppress) {
137 global $suppress_debugging;
138
139 $suppress_debugging = $suppress;
140 }
141
142 /**
143 * Print a timestamped debug message.
144 *
145 * @param string $msg The debug message.
146 * @return void
147 */
148 function _debug($msg, $show = true) {
149 global $suppress_debugging;
150
151 //echo "[$suppress_debugging] $msg $show\n";
152
153 if ($suppress_debugging) return false;
154
155 $ts = strftime("%H:%M:%S", time());
156 if (function_exists('posix_getpid')) {
157 $ts = "$ts/" . posix_getpid();
158 }
159
160 if ($show && !(defined('QUIET') && QUIET)) {
161 print "[$ts] $msg\n";
162 }
163
164 if (defined('LOGFILE')) {
165 $fp = fopen(LOGFILE, 'a+');
166
167 if ($fp) {
168 $locked = false;
169
170 if (function_exists("flock")) {
171 $tries = 0;
172
173 // try to lock logfile for writing
174 while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
175 sleep(1);
176 ++$tries;
177 }
178
179 if (!$locked) {
180 fclose($fp);
181 return;
182 }
183 }
184
185 fputs($fp, "[$ts] $msg\n");
186
187 if (function_exists("flock")) {
188 flock($fp, LOCK_UN);
189 }
190
191 fclose($fp);
192 }
193 }
194
195 } // function _debug
196
197 /**
198 * Purge a feed old posts.
199 *
200 * @param mixed $link A database connection.
201 * @param mixed $feed_id The id of the purged feed.
202 * @param mixed $purge_interval Olderness of purged posts.
203 * @param boolean $debug Set to True to enable the debug. False by default.
204 * @access public
205 * @return void
206 */
207 function purge_feed($feed_id, $purge_interval, $debug = false) {
208
209 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
210
211 $rows = -1;
212
213 $result = db_query(
214 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
215
216 $owner_uid = false;
217
218 if (db_num_rows($result) == 1) {
219 $owner_uid = db_fetch_result($result, 0, "owner_uid");
220 }
221
222 if ($purge_interval == -1 || !$purge_interval) {
223 if ($owner_uid) {
224 ccache_update($feed_id, $owner_uid);
225 }
226 return;
227 }
228
229 if (!$owner_uid) return;
230
231 if (FORCE_ARTICLE_PURGE == 0) {
232 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
233 $owner_uid, false);
234 } else {
235 $purge_unread = true;
236 $purge_interval = FORCE_ARTICLE_PURGE;
237 }
238
239 if (!$purge_unread) $query_limit = " unread = false AND ";
240
241 if (DB_TYPE == "pgsql") {
242 $pg_version = get_pgsql_version();
243
244 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
245
246 $result = db_query("DELETE FROM ttrss_user_entries WHERE
247 ttrss_entries.id = ref_id AND
248 marked = false AND
249 feed_id = '$feed_id' AND
250 $query_limit
251 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
252
253 } else {
254
255 $result = db_query("DELETE FROM ttrss_user_entries
256 USING ttrss_entries
257 WHERE ttrss_entries.id = ref_id AND
258 marked = false AND
259 feed_id = '$feed_id' AND
260 $query_limit
261 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
262 }
263
264 } else {
265
266 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
267 marked = false AND feed_id = '$feed_id' AND
268 (SELECT date_updated FROM ttrss_entries WHERE
269 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
270
271 $result = db_query("DELETE FROM ttrss_user_entries
272 USING ttrss_user_entries, ttrss_entries
273 WHERE ttrss_entries.id = ref_id AND
274 marked = false AND
275 feed_id = '$feed_id' AND
276 $query_limit
277 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
278 }
279
280 $rows = db_affected_rows($result);
281
282 ccache_update($feed_id, $owner_uid);
283
284 if ($debug) {
285 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
286 }
287
288 return $rows;
289 } // function purge_feed
290
291 function feed_purge_interval($feed_id) {
292
293 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
294 WHERE id = '$feed_id'");
295
296 if (db_num_rows($result) == 1) {
297 $purge_interval = db_fetch_result($result, 0, "purge_interval");
298 $owner_uid = db_fetch_result($result, 0, "owner_uid");
299
300 if ($purge_interval == 0) $purge_interval = get_pref(
301 'PURGE_OLD_DAYS', $owner_uid);
302
303 return $purge_interval;
304
305 } else {
306 return -1;
307 }
308 }
309
310 function purge_orphans($do_output = false) {
311
312 // purge orphaned posts in main content table
313 $result = db_query("DELETE FROM ttrss_entries WHERE
314 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
315
316 if ($do_output) {
317 $rows = db_affected_rows($result);
318 _debug("Purged $rows orphaned posts.");
319 }
320 }
321
322 function get_feed_update_interval($feed_id) {
323 $result = db_query("SELECT owner_uid, update_interval FROM
324 ttrss_feeds WHERE id = '$feed_id'");
325
326 if (db_num_rows($result) == 1) {
327 $update_interval = db_fetch_result($result, 0, "update_interval");
328 $owner_uid = db_fetch_result($result, 0, "owner_uid");
329
330 if ($update_interval != 0) {
331 return $update_interval;
332 } else {
333 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
334 }
335
336 } else {
337 return -1;
338 }
339 }
340
341 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
342
343 global $fetch_last_error;
344 global $fetch_last_error_code;
345 global $fetch_last_content_type;
346 global $fetch_curl_used;
347
348 $url = str_replace(' ', '%20', $url);
349
350 if (!defined('NO_CURL') && function_exists('curl_init')) {
351
352 $fetch_curl_used = true;
353
354 if (ini_get("safe_mode") || ini_get("open_basedir")) {
355 $new_url = geturl($url);
356 if (!$new_url) {
357 // geturl has already populated $fetch_last_error
358 return false;
359 }
360 $ch = curl_init($new_url);
361 } else {
362 $ch = curl_init($url);
363 }
364
365 if ($timestamp && !$post_query) {
366 curl_setopt($ch, CURLOPT_HTTPHEADER,
367 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
368 }
369
370 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
371 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
372 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
373 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
374 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
375 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
376 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
377 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
378 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
379 curl_setopt($ch, CURLOPT_ENCODING, "");
380 curl_setopt($ch, CURLOPT_REFERER, $url);
381 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
382
383 if (defined('_CURL_HTTP_PROXY')) {
384 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
385 }
386
387 if ($post_query) {
388 curl_setopt($ch, CURLOPT_POST, true);
389 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
390 }
391
392 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
393 curl_setopt($ch, CURLOPT_SSLVERSION, 3);
394 }
395
396 if ($login && $pass)
397 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
398
399 $contents = @curl_exec($ch);
400
401 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
402 curl_setopt($ch, CURLOPT_ENCODING, 'none');
403 $contents = @curl_exec($ch);
404 }
405
406 if ($contents === false) {
407 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
408 curl_close($ch);
409 return false;
410 }
411
412 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
413 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
414
415 $fetch_last_error_code = $http_code;
416
417 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
418 if (curl_errno($ch) != 0) {
419 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
420 } else {
421 $fetch_last_error = "HTTP Code: $http_code";
422 }
423 curl_close($ch);
424 return false;
425 }
426
427 curl_close($ch);
428
429 return $contents;
430 } else {
431
432 $fetch_curl_used = false;
433
434 if ($login && $pass){
435 $url_parts = array();
436
437 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
438
439 $pass = urlencode($pass);
440
441 if ($url_parts[1] && $url_parts[2]) {
442 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
443 }
444 }
445
446 if (!$post_query && $timestamp) {
447 $context = stream_context_create(array(
448 'http' => array(
449 'method' => 'GET',
450 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
451 )));
452 } else {
453 $context = NULL;
454 }
455
456 $old_error = error_get_last();
457
458 $data = @file_get_contents($url, false, $context);
459
460 $fetch_last_content_type = false; // reset if no type was sent from server
461 if (isset($http_response_header) && is_array($http_response_header)) {
462 foreach ($http_response_header as $h) {
463 if (substr(strtolower($h), 0, 13) == 'content-type:') {
464 $fetch_last_content_type = substr($h, 14);
465 // don't abort here b/c there might be more than one
466 // e.g. if we were being redirected -- last one is the right one
467 }
468
469 if (substr(strtolower($h), 0, 7) == 'http/1.') {
470 $fetch_last_error_code = (int) substr($h, 9, 3);
471 }
472 }
473 }
474
475 if (!$data) {
476 $error = error_get_last();
477
478 if ($error['message'] != $old_error['message']) {
479 $fetch_last_error = $error["message"];
480 } else {
481 $fetch_last_error = "HTTP Code: $fetch_last_error_code";
482 }
483 }
484 return $data;
485 }
486
487 }
488
489 /**
490 * Try to determine the favicon URL for a feed.
491 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
492 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
493 *
494 * @param string $url A feed or page URL
495 * @access public
496 * @return mixed The favicon URL, or false if none was found.
497 */
498 function get_favicon_url($url) {
499
500 $favicon_url = false;
501
502 if ($html = @fetch_file_contents($url)) {
503
504 libxml_use_internal_errors(true);
505
506 $doc = new DOMDocument();
507 $doc->loadHTML($html);
508 $xpath = new DOMXPath($doc);
509
510 $base = $xpath->query('/html/head/base');
511 foreach ($base as $b) {
512 $url = $b->getAttribute("href");
513 break;
514 }
515
516 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
517 if (count($entries) > 0) {
518 foreach ($entries as $entry) {
519 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
520 break;
521 }
522 }
523 }
524
525 if (!$favicon_url)
526 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
527
528 return $favicon_url;
529 } // function get_favicon_url
530
531 function check_feed_favicon($site_url, $feed) {
532 # print "FAVICON [$site_url]: $favicon_url\n";
533
534 $icon_file = ICONS_DIR . "/$feed.ico";
535
536 if (!file_exists($icon_file)) {
537 $favicon_url = get_favicon_url($site_url);
538
539 if ($favicon_url) {
540 // Limiting to "image" type misses those served with text/plain
541 $contents = fetch_file_contents($favicon_url); // , "image");
542
543 if ($contents) {
544 // Crude image type matching.
545 // Patterns gleaned from the file(1) source code.
546 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
547 // 0 string \000\000\001\000 MS Windows icon resource
548 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
549 }
550 elseif (preg_match('/^GIF8/', $contents)) {
551 // 0 string GIF8 GIF image data
552 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
553 }
554 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
555 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
556 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
557 }
558 elseif (preg_match('/^\xff\xd8/', $contents)) {
559 // 0 beshort 0xffd8 JPEG image data
560 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
561 }
562 else {
563 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
564 $contents = "";
565 }
566 }
567
568 if ($contents) {
569 $fp = @fopen($icon_file, "w");
570
571 if ($fp) {
572 fwrite($fp, $contents);
573 fclose($fp);
574 chmod($icon_file, 0644);
575 }
576 }
577 }
578 return $icon_file;
579 }
580 }
581
582 function print_select($id, $default, $values, $attributes = "") {
583 print "<select name=\"$id\" id=\"$id\" $attributes>";
584 foreach ($values as $v) {
585 if ($v == $default)
586 $sel = "selected=\"1\"";
587 else
588 $sel = "";
589
590 $v = trim($v);
591
592 print "<option value=\"$v\" $sel>$v</option>";
593 }
594 print "</select>";
595 }
596
597 function print_select_hash($id, $default, $values, $attributes = "") {
598 print "<select name=\"$id\" id='$id' $attributes>";
599 foreach (array_keys($values) as $v) {
600 if ($v == $default)
601 $sel = 'selected="selected"';
602 else
603 $sel = "";
604
605 $v = trim($v);
606
607 print "<option $sel value=\"$v\">".$values[$v]."</option>";
608 }
609
610 print "</select>";
611 }
612
613 function print_radio($id, $default, $true_is, $values, $attributes = "") {
614 foreach ($values as $v) {
615
616 if ($v == $default)
617 $sel = "checked";
618 else
619 $sel = "";
620
621 if ($v == $true_is) {
622 $sel .= " value=\"1\"";
623 } else {
624 $sel .= " value=\"0\"";
625 }
626
627 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
628 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
629
630 }
631 }
632
633 function initialize_user_prefs($uid, $profile = false) {
634
635 $uid = db_escape_string($uid);
636
637 if (!$profile) {
638 $profile = "NULL";
639 $profile_qpart = "AND profile IS NULL";
640 } else {
641 $profile_qpart = "AND profile = '$profile'";
642 }
643
644 if (get_schema_version() < 63) $profile_qpart = "";
645
646 db_query("BEGIN");
647
648 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
649
650 $u_result = db_query("SELECT pref_name
651 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
652
653 $active_prefs = array();
654
655 while ($line = db_fetch_assoc($u_result)) {
656 array_push($active_prefs, $line["pref_name"]);
657 }
658
659 while ($line = db_fetch_assoc($result)) {
660 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
661 // print "adding " . $line["pref_name"] . "<br>";
662
663 $line["def_value"] = db_escape_string($line["def_value"]);
664 $line["pref_name"] = db_escape_string($line["pref_name"]);
665
666 if (get_schema_version() < 63) {
667 db_query("INSERT INTO ttrss_user_prefs
668 (owner_uid,pref_name,value) VALUES
669 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
670
671 } else {
672 db_query("INSERT INTO ttrss_user_prefs
673 (owner_uid,pref_name,value, profile) VALUES
674 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
675 }
676
677 }
678 }
679
680 db_query("COMMIT");
681
682 }
683
684 function get_ssl_certificate_id() {
685 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
686 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
687 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
688 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
689 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
690 }
691 return "";
692 }
693
694 function authenticate_user($login, $password, $check_only = false) {
695
696 if (!SINGLE_USER_MODE) {
697 $user_id = false;
698
699 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
700
701 $user_id = (int) $plugin->authenticate($login, $password);
702
703 if ($user_id) {
704 $_SESSION["auth_module"] = strtolower(get_class($plugin));
705 break;
706 }
707 }
708
709 if ($user_id && !$check_only) {
710 @session_start();
711
712 $_SESSION["uid"] = $user_id;
713 $_SESSION["version"] = VERSION_STATIC;
714
715 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
716 WHERE id = '$user_id'");
717
718 $_SESSION["name"] = db_fetch_result($result, 0, "login");
719 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
720 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
721
722 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
723 $_SESSION["uid"]);
724
725 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
726 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
727 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
728
729 $_SESSION["last_version_check"] = time();
730
731 initialize_user_prefs($_SESSION["uid"]);
732
733 return true;
734 }
735
736 return false;
737
738 } else {
739
740 $_SESSION["uid"] = 1;
741 $_SESSION["name"] = "admin";
742 $_SESSION["access_level"] = 10;
743
744 $_SESSION["hide_hello"] = true;
745 $_SESSION["hide_logout"] = true;
746
747 $_SESSION["auth_module"] = false;
748
749 if (!$_SESSION["csrf_token"]) {
750 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
751 }
752
753 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
754
755 initialize_user_prefs($_SESSION["uid"]);
756
757 return true;
758 }
759 }
760
761 function make_password($length = 8) {
762
763 $password = "";
764 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
765
766 $i = 0;
767
768 while ($i < $length) {
769 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
770
771 if (!strstr($password, $char)) {
772 $password .= $char;
773 $i++;
774 }
775 }
776 return $password;
777 }
778
779 // this is called after user is created to initialize default feeds, labels
780 // or whatever else
781
782 // user preferences are checked on every login, not here
783
784 function initialize_user($uid) {
785
786 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
787 values ('$uid', 'Tiny Tiny RSS: New Releases',
788 'http://tt-rss.org/releases.rss')");
789
790 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
791 values ('$uid', 'Tiny Tiny RSS: Forum',
792 'http://tt-rss.org/forum/rss.php')");
793 }
794
795 function logout_user() {
796 session_destroy();
797 if (isset($_COOKIE[session_name()])) {
798 setcookie(session_name(), '', time()-42000, '/');
799 }
800 }
801
802 function validate_csrf($csrf_token) {
803 return $csrf_token == $_SESSION['csrf_token'];
804 }
805
806 function load_user_plugins($owner_uid) {
807 if ($owner_uid) {
808 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
809
810 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
811
812 if (get_schema_version() > 100) {
813 PluginHost::getInstance()->load_data();
814 }
815 }
816 }
817
818 function login_sequence() {
819 if (SINGLE_USER_MODE) {
820 @session_start();
821 authenticate_user("admin", null);
822 load_user_plugins($_SESSION["uid"]);
823 } else {
824 if (!validate_session()) $_SESSION["uid"] = false;
825
826 if (!$_SESSION["uid"]) {
827
828 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
829 $_SESSION["ref_schema_version"] = get_schema_version(true);
830 } else {
831 authenticate_user(null, null, true);
832 }
833
834 if (!$_SESSION["uid"]) {
835 @session_destroy();
836 setcookie(session_name(), '', time()-42000, '/');
837
838 render_login_form();
839 exit;
840 }
841
842 } else {
843 /* bump login timestamp */
844 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
845 $_SESSION["uid"]);
846 $_SESSION["last_login_update"] = time();
847 }
848
849 if ($_SESSION["uid"]) {
850 startup_gettext();
851 load_user_plugins($_SESSION["uid"]);
852
853 /* cleanup ccache */
854
855 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
856 $_SESSION["uid"] . " AND
857 (SELECT COUNT(id) FROM ttrss_feeds WHERE
858 ttrss_feeds.id = feed_id) = 0");
859
860 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
861 $_SESSION["uid"] . " AND
862 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
863 ttrss_feed_categories.id = feed_id) = 0");
864
865 }
866
867 }
868 }
869
870 function truncate_string($str, $max_len, $suffix = '&hellip;') {
871 if (mb_strlen($str, "utf-8") > $max_len - 3) {
872 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
873 } else {
874 return $str;
875 }
876 }
877
878 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
879
880 try {
881 $source_tz = new DateTimeZone($source_tz);
882 } catch (Exception $e) {
883 $source_tz = new DateTimeZone('UTC');
884 }
885
886 try {
887 $dest_tz = new DateTimeZone($dest_tz);
888 } catch (Exception $e) {
889 $dest_tz = new DateTimeZone('UTC');
890 }
891
892 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
893 return $dt->format('U') + $dest_tz->getOffset($dt);
894 }
895
896 function make_local_datetime($timestamp, $long, $owner_uid = false,
897 $no_smart_dt = false) {
898
899 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
900 if (!$timestamp) $timestamp = '1970-01-01 0:00';
901
902 global $utc_tz;
903 global $user_tz;
904
905 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
906
907 $timestamp = substr($timestamp, 0, 19);
908
909 # We store date in UTC internally
910 $dt = new DateTime($timestamp, $utc_tz);
911
912 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
913
914 if ($user_tz_string != 'Automatic') {
915
916 try {
917 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
918 } catch (Exception $e) {
919 $user_tz = $utc_tz;
920 }
921
922 $tz_offset = $user_tz->getOffset($dt);
923 } else {
924 $tz_offset = (int) -$_SESSION["clientTzOffset"];
925 }
926
927 $user_timestamp = $dt->format('U') + $tz_offset;
928
929 if (!$no_smart_dt) {
930 return smart_date_time($user_timestamp,
931 $tz_offset, $owner_uid);
932 } else {
933 if ($long)
934 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
935 else
936 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
937
938 return date($format, $user_timestamp);
939 }
940 }
941
942 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
943 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
944
945 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
946 return date("G:i", $timestamp);
947 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
948 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
949 return date($format, $timestamp);
950 } else {
951 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
952 return date($format, $timestamp);
953 }
954 }
955
956 function sql_bool_to_bool($s) {
957 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
958 return true;
959 } else {
960 return false;
961 }
962 }
963
964 function bool_to_sql_bool($s) {
965 if ($s) {
966 return "true";
967 } else {
968 return "false";
969 }
970 }
971
972 // Session caching removed due to causing wrong redirects to upgrade
973 // script when get_schema_version() is called on an obsolete session
974 // created on a previous schema version.
975 function get_schema_version($nocache = false) {
976 global $schema_version;
977
978 if (!$schema_version && !$nocache) {
979 $result = db_query("SELECT schema_version FROM ttrss_version");
980 $version = db_fetch_result($result, 0, "schema_version");
981 $schema_version = $version;
982 return $version;
983 } else {
984 return $schema_version;
985 }
986 }
987
988 function sanity_check() {
989 require_once 'errors.php';
990
991 $error_code = 0;
992 $schema_version = get_schema_version(true);
993
994 if ($schema_version != SCHEMA_VERSION) {
995 $error_code = 5;
996 }
997
998 if (DB_TYPE == "mysql") {
999 $result = db_query("SELECT true", false);
1000 if (db_num_rows($result) != 1) {
1001 $error_code = 10;
1002 }
1003 }
1004
1005 if (db_escape_string("testTEST") != "testTEST") {
1006 $error_code = 12;
1007 }
1008
1009 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1010 }
1011
1012 function file_is_locked($filename) {
1013 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1014 if (function_exists('flock')) {
1015 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1016 if ($fp) {
1017 if (flock($fp, LOCK_EX | LOCK_NB)) {
1018 flock($fp, LOCK_UN);
1019 fclose($fp);
1020 return false;
1021 }
1022 fclose($fp);
1023 return true;
1024 } else {
1025 return false;
1026 }
1027 }
1028 return true; // consider the file always locked and skip the test
1029 } else {
1030 return false;
1031 }
1032 }
1033
1034
1035 function make_lockfile($filename) {
1036 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1037
1038 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1039 $stat_h = fstat($fp);
1040 $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1041
1042 if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1043 if ($stat_h["ino"] != $stat_f["ino"] ||
1044 $stat_h["dev"] != $stat_f["dev"]) {
1045
1046 return false;
1047 }
1048 }
1049
1050 if (function_exists('posix_getpid')) {
1051 fwrite($fp, posix_getpid() . "\n");
1052 }
1053 return $fp;
1054 } else {
1055 return false;
1056 }
1057 }
1058
1059 function make_stampfile($filename) {
1060 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1061
1062 if (flock($fp, LOCK_EX | LOCK_NB)) {
1063 fwrite($fp, time() . "\n");
1064 flock($fp, LOCK_UN);
1065 fclose($fp);
1066 return true;
1067 } else {
1068 return false;
1069 }
1070 }
1071
1072 function sql_random_function() {
1073 if (DB_TYPE == "mysql") {
1074 return "RAND()";
1075 } else {
1076 return "RANDOM()";
1077 }
1078 }
1079
1080 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1081
1082 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1083
1084 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1085
1086 // Todo: all this interval stuff needs some generic generator function
1087
1088 $date_qpart = "false";
1089
1090 switch ($mode) {
1091 case "1day":
1092 if (DB_TYPE == "pgsql") {
1093 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1094 } else {
1095 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1096 }
1097 break;
1098 case "1week":
1099 if (DB_TYPE == "pgsql") {
1100 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1101 } else {
1102 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1103 }
1104 break;
1105 case "2week":
1106 if (DB_TYPE == "pgsql") {
1107 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1108 } else {
1109 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1110 }
1111 break;
1112 default:
1113 $date_qpart = "true";
1114 }
1115
1116 if (is_numeric($feed)) {
1117 if ($cat_view) {
1118
1119 if ($feed >= 0) {
1120
1121 if ($feed > 0) {
1122 $children = getChildCategories($feed, $owner_uid);
1123 array_push($children, $feed);
1124
1125 $children = join(",", $children);
1126
1127 $cat_qpart = "cat_id IN ($children)";
1128 } else {
1129 $cat_qpart = "cat_id IS NULL";
1130 }
1131
1132 db_query("UPDATE ttrss_user_entries
1133 SET unread = false, last_read = NOW() WHERE ref_id IN
1134 (SELECT id FROM
1135 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1136 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1137 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1138
1139 } else if ($feed == -2) {
1140
1141 db_query("UPDATE ttrss_user_entries
1142 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1143 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1144 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1145 }
1146
1147 } else if ($feed > 0) {
1148
1149 db_query("UPDATE ttrss_user_entries
1150 SET unread = false, last_read = NOW() WHERE ref_id IN
1151 (SELECT id FROM
1152 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1153 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1154
1155 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1156
1157 if ($feed == -1) {
1158 db_query("UPDATE ttrss_user_entries
1159 SET unread = false, last_read = NOW() WHERE ref_id IN
1160 (SELECT id FROM
1161 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1162 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1163 }
1164
1165 if ($feed == -2) {
1166 db_query("UPDATE ttrss_user_entries
1167 SET unread = false, last_read = NOW() WHERE ref_id IN
1168 (SELECT id FROM
1169 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1170 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1171 }
1172
1173 if ($feed == -3) {
1174
1175 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1176
1177 if (DB_TYPE == "pgsql") {
1178 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1179 } else {
1180 $match_part = "date_entered > DATE_SUB(NOW(),
1181 INTERVAL $intl HOUR) ";
1182 }
1183
1184 db_query("UPDATE ttrss_user_entries
1185 SET unread = false, last_read = NOW() WHERE ref_id IN
1186 (SELECT id FROM
1187 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1188 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1189 }
1190
1191 if ($feed == -4) {
1192 db_query("UPDATE ttrss_user_entries
1193 SET unread = false, last_read = NOW() WHERE ref_id IN
1194 (SELECT id FROM
1195 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1196 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1197 }
1198
1199 } else if ($feed < LABEL_BASE_INDEX) { // label
1200
1201 $label_id = feed_to_label_id($feed);
1202
1203 db_query("UPDATE ttrss_user_entries
1204 SET unread = false, last_read = NOW() WHERE ref_id IN
1205 (SELECT id FROM
1206 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1207 AND label_id = '$label_id' AND ref_id = article_id
1208 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1209
1210 }
1211
1212 ccache_update($feed, $owner_uid, $cat_view);
1213
1214 } else { // tag
1215 db_query("UPDATE ttrss_user_entries
1216 SET unread = false, last_read = NOW() WHERE ref_id IN
1217 (SELECT id FROM
1218 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1219 AND post_int_id = int_id AND tag_name = '$feed'
1220 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1221
1222 }
1223 }
1224
1225 function getAllCounters() {
1226 $data = getGlobalCounters();
1227
1228 $data = array_merge($data, getVirtCounters());
1229 $data = array_merge($data, getLabelCounters());
1230 $data = array_merge($data, getFeedCounters());
1231 $data = array_merge($data, getCategoryCounters());
1232
1233 return $data;
1234 }
1235
1236 function getCategoryTitle($cat_id) {
1237
1238 if ($cat_id == -1) {
1239 return __("Special");
1240 } else if ($cat_id == -2) {
1241 return __("Labels");
1242 } else {
1243
1244 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1245 id = '$cat_id'");
1246
1247 if (db_num_rows($result) == 1) {
1248 return db_fetch_result($result, 0, "title");
1249 } else {
1250 return __("Uncategorized");
1251 }
1252 }
1253 }
1254
1255
1256 function getCategoryCounters() {
1257 $ret_arr = array();
1258
1259 /* Labels category */
1260
1261 $cv = array("id" => -2, "kind" => "cat",
1262 "counter" => getCategoryUnread(-2));
1263
1264 array_push($ret_arr, $cv);
1265
1266 $result = db_query("SELECT id AS cat_id, value AS unread,
1267 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1268 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1269 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1270 WHERE ttrss_cat_counters_cache.feed_id = id AND
1271 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1272 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1273
1274 while ($line = db_fetch_assoc($result)) {
1275 $line["cat_id"] = (int) $line["cat_id"];
1276
1277 if ($line["num_children"] > 0) {
1278 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1279 } else {
1280 $child_counter = 0;
1281 }
1282
1283 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1284 "counter" => $line["unread"] + $child_counter);
1285
1286 array_push($ret_arr, $cv);
1287 }
1288
1289 /* Special case: NULL category doesn't actually exist in the DB */
1290
1291 $cv = array("id" => 0, "kind" => "cat",
1292 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1293
1294 array_push($ret_arr, $cv);
1295
1296 return $ret_arr;
1297 }
1298
1299 // only accepts real cats (>= 0)
1300 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1301 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1302
1303 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1304 AND owner_uid = $owner_uid");
1305
1306 $unread = 0;
1307
1308 while ($line = db_fetch_assoc($result)) {
1309 $unread += getCategoryUnread($line["id"], $owner_uid);
1310 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1311 }
1312
1313 return $unread;
1314 }
1315
1316 function getCategoryUnread($cat, $owner_uid = false) {
1317
1318 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1319
1320 if ($cat >= 0) {
1321
1322 if ($cat != 0) {
1323 $cat_query = "cat_id = '$cat'";
1324 } else {
1325 $cat_query = "cat_id IS NULL";
1326 }
1327
1328 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1329 AND owner_uid = " . $owner_uid);
1330
1331 $cat_feeds = array();
1332 while ($line = db_fetch_assoc($result)) {
1333 array_push($cat_feeds, "feed_id = " . $line["id"]);
1334 }
1335
1336 if (count($cat_feeds) == 0) return 0;
1337
1338 $match_part = implode(" OR ", $cat_feeds);
1339
1340 $result = db_query("SELECT COUNT(int_id) AS unread
1341 FROM ttrss_user_entries
1342 WHERE unread = true AND ($match_part)
1343 AND owner_uid = " . $owner_uid);
1344
1345 $unread = 0;
1346
1347 # this needs to be rewritten
1348 while ($line = db_fetch_assoc($result)) {
1349 $unread += $line["unread"];
1350 }
1351
1352 return $unread;
1353 } else if ($cat == -1) {
1354 return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1355 } else if ($cat == -2) {
1356
1357 $result = db_query("
1358 SELECT COUNT(unread) AS unread FROM
1359 ttrss_user_entries, ttrss_user_labels2
1360 WHERE article_id = ref_id AND unread = true
1361 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1362
1363 $unread = db_fetch_result($result, 0, "unread");
1364
1365 return $unread;
1366
1367 }
1368 }
1369
1370 function getFeedUnread($feed, $is_cat = false) {
1371 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1372 }
1373
1374 function getLabelUnread($label_id, $owner_uid = false) {
1375 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1376
1377 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1378 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1379
1380 if (db_num_rows($result) != 0) {
1381 return db_fetch_result($result, 0, "unread");
1382 } else {
1383 return 0;
1384 }
1385 }
1386
1387 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1388 $owner_uid = false) {
1389
1390 $n_feed = (int) $feed;
1391 $need_entries = false;
1392
1393 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1394
1395 if ($unread_only) {
1396 $unread_qpart = "unread = true";
1397 } else {
1398 $unread_qpart = "true";
1399 }
1400
1401 if ($is_cat) {
1402 return getCategoryUnread($n_feed, $owner_uid);
1403 } else if ($n_feed == -6) {
1404 return 0;
1405 } else if ($feed != "0" && $n_feed == 0) {
1406
1407 $feed = db_escape_string($feed);
1408
1409 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1410 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1411 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1412 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1413 return db_fetch_result($result, 0, "count");
1414
1415 } else if ($n_feed == -1) {
1416 $match_part = "marked = true";
1417 } else if ($n_feed == -2) {
1418 $match_part = "published = true";
1419 } else if ($n_feed == -3) {
1420 $match_part = "unread = true AND score >= 0";
1421
1422 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1423
1424 if (DB_TYPE == "pgsql") {
1425 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1426 } else {
1427 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1428 }
1429
1430 $need_entries = true;
1431
1432 } else if ($n_feed == -4) {
1433 $match_part = "true";
1434 } else if ($n_feed >= 0) {
1435
1436 if ($n_feed != 0) {
1437 $match_part = "feed_id = '$n_feed'";
1438 } else {
1439 $match_part = "feed_id IS NULL";
1440 }
1441
1442 } else if ($feed < LABEL_BASE_INDEX) {
1443
1444 $label_id = feed_to_label_id($feed);
1445
1446 return getLabelUnread($label_id, $owner_uid);
1447
1448 }
1449
1450 if ($match_part) {
1451
1452 if ($need_entries) {
1453 $from_qpart = "ttrss_user_entries,ttrss_entries";
1454 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1455 } else {
1456 $from_qpart = "ttrss_user_entries";
1457 }
1458
1459 $query = "SELECT count(int_id) AS unread
1460 FROM $from_qpart WHERE
1461 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1462
1463 //echo "[$feed/$query]\n";
1464
1465 $result = db_query($query);
1466
1467 } else {
1468
1469 $result = db_query("SELECT COUNT(post_int_id) AS unread
1470 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1471 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1472 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1473 }
1474
1475 $unread = db_fetch_result($result, 0, "unread");
1476
1477 return $unread;
1478 }
1479
1480 function getGlobalUnread($user_id = false) {
1481
1482 if (!$user_id) {
1483 $user_id = $_SESSION["uid"];
1484 }
1485
1486 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1487 WHERE owner_uid = '$user_id' AND feed_id > 0");
1488
1489 $c_id = db_fetch_result($result, 0, "c_id");
1490
1491 return $c_id;
1492 }
1493
1494 function getGlobalCounters($global_unread = -1) {
1495 $ret_arr = array();
1496
1497 if ($global_unread == -1) {
1498 $global_unread = getGlobalUnread();
1499 }
1500
1501 $cv = array("id" => "global-unread",
1502 "counter" => (int) $global_unread);
1503
1504 array_push($ret_arr, $cv);
1505
1506 $result = db_query("SELECT COUNT(id) AS fn FROM
1507 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1508
1509 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1510
1511 $cv = array("id" => "subscribed-feeds",
1512 "counter" => (int) $subscribed_feeds);
1513
1514 array_push($ret_arr, $cv);
1515
1516 return $ret_arr;
1517 }
1518
1519 function getVirtCounters() {
1520
1521 $ret_arr = array();
1522
1523 for ($i = 0; $i >= -4; $i--) {
1524
1525 $count = getFeedUnread($i);
1526
1527 if ($i == 0 || $i == -1 || $i == -2)
1528 $auxctr = getFeedArticles($i, false);
1529 else
1530 $auxctr = 0;
1531
1532 $cv = array("id" => $i,
1533 "counter" => (int) $count,
1534 "auxcounter" => $auxctr);
1535
1536 // if (get_pref('EXTENDED_FEEDLIST'))
1537 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1538
1539 array_push($ret_arr, $cv);
1540 }
1541
1542 $feeds = PluginHost::getInstance()->get_feeds(-1);
1543
1544 if (is_array($feeds)) {
1545 foreach ($feeds as $feed) {
1546 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1547 "counter" => $feed['sender']->get_unread($feed['id']));
1548
1549 if (method_exists($feed['sender'], 'get_total'))
1550 $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1551
1552 array_push($ret_arr, $cv);
1553 }
1554 }
1555
1556 return $ret_arr;
1557 }
1558
1559 function getLabelCounters($descriptions = false) {
1560
1561 $ret_arr = array();
1562
1563 $owner_uid = $_SESSION["uid"];
1564
1565 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1566 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1567 (ttrss_labels2.id = label_id)
1568 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1569 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1570 ttrss_labels2.caption");
1571
1572 while ($line = db_fetch_assoc($result)) {
1573
1574 $id = label_to_feed_id($line["id"]);
1575
1576 $cv = array("id" => $id,
1577 "counter" => (int) $line["unread"],
1578 "auxcounter" => (int) $line["total"]);
1579
1580 if ($descriptions)
1581 $cv["description"] = $line["caption"];
1582
1583 array_push($ret_arr, $cv);
1584 }
1585
1586 return $ret_arr;
1587 }
1588
1589 function getFeedCounters($active_feed = false) {
1590
1591 $ret_arr = array();
1592
1593 $query = "SELECT ttrss_feeds.id,
1594 ttrss_feeds.title,
1595 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1596 last_error, value AS count
1597 FROM ttrss_feeds, ttrss_counters_cache
1598 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1599 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1600 AND ttrss_counters_cache.feed_id = id";
1601
1602 $result = db_query($query);
1603 $fctrs_modified = false;
1604
1605 while ($line = db_fetch_assoc($result)) {
1606
1607 $id = $line["id"];
1608 $count = $line["count"];
1609 $last_error = htmlspecialchars($line["last_error"]);
1610
1611 $last_updated = make_local_datetime($line['last_updated'], false);
1612
1613 $has_img = feed_has_icon($id);
1614
1615 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1616 $last_updated = '';
1617
1618 $cv = array("id" => $id,
1619 "updated" => $last_updated,
1620 "counter" => (int) $count,
1621 "has_img" => (int) $has_img);
1622
1623 if ($last_error)
1624 $cv["error"] = $last_error;
1625
1626 // if (get_pref('EXTENDED_FEEDLIST'))
1627 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1628
1629 if ($active_feed && $id == $active_feed)
1630 $cv["title"] = truncate_string($line["title"], 30);
1631
1632 array_push($ret_arr, $cv);
1633
1634 }
1635
1636 return $ret_arr;
1637 }
1638
1639 function get_pgsql_version() {
1640 $result = db_query("SELECT version() AS version");
1641 $version = explode(" ", db_fetch_result($result, 0, "version"));
1642 return $version[1];
1643 }
1644
1645 /**
1646 * @return array (code => Status code, message => error message if available)
1647 *
1648 * 0 - OK, Feed already exists
1649 * 1 - OK, Feed added
1650 * 2 - Invalid URL
1651 * 3 - URL content is HTML, no feeds available
1652 * 4 - URL content is HTML which contains multiple feeds.
1653 * Here you should call extractfeedurls in rpc-backend
1654 * to get all possible feeds.
1655 * 5 - Couldn't download the URL content.
1656 * 6 - Content is an invalid XML.
1657 */
1658 function subscribe_to_feed($url, $cat_id = 0,
1659 $auth_login = '', $auth_pass = '') {
1660
1661 global $fetch_last_error;
1662
1663 require_once "include/rssfuncs.php";
1664
1665 $url = fix_url($url);
1666
1667 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1668
1669 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1670
1671 if (!$contents) {
1672 return array("code" => 5, "message" => $fetch_last_error);
1673 }
1674
1675 if (is_html($contents)) {
1676 $feedUrls = get_feeds_from_html($url, $contents);
1677
1678 if (count($feedUrls) == 0) {
1679 return array("code" => 3);
1680 } else if (count($feedUrls) > 1) {
1681 return array("code" => 4, "feeds" => $feedUrls);
1682 }
1683 //use feed url as new URL
1684 $url = key($feedUrls);
1685 }
1686
1687 /* libxml_use_internal_errors(true);
1688 $doc = new DOMDocument();
1689 $doc->loadXML($contents);
1690 $error = libxml_get_last_error();
1691 libxml_clear_errors();
1692
1693 if ($error) {
1694 $error_message = format_libxml_error($error);
1695
1696 return array("code" => 6, "message" => $error_message);
1697 } */
1698
1699 if ($cat_id == "0" || !$cat_id) {
1700 $cat_qpart = "NULL";
1701 } else {
1702 $cat_qpart = "'$cat_id'";
1703 }
1704
1705 $result = db_query(
1706 "SELECT id FROM ttrss_feeds
1707 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1708
1709 if (strlen(FEED_CRYPT_KEY) > 0) {
1710 require_once "crypt.php";
1711 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1712 $auth_pass_encrypted = 'true';
1713 } else {
1714 $auth_pass_encrypted = 'false';
1715 }
1716
1717 $auth_pass = db_escape_string($auth_pass);
1718
1719 if (db_num_rows($result) == 0) {
1720 $result = db_query(
1721 "INSERT INTO ttrss_feeds
1722 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1723 VALUES ('".$_SESSION["uid"]."', '$url',
1724 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1725
1726 $result = db_query(
1727 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1728 AND owner_uid = " . $_SESSION["uid"]);
1729
1730 $feed_id = db_fetch_result($result, 0, "id");
1731
1732 if ($feed_id) {
1733 update_rss_feed($feed_id, true);
1734 }
1735
1736 return array("code" => 1);
1737 } else {
1738 return array("code" => 0);
1739 }
1740 }
1741
1742 function print_feed_select($id, $default_id = "",
1743 $attributes = "", $include_all_feeds = true,
1744 $root_id = false, $nest_level = 0) {
1745
1746 if (!$root_id) {
1747 print "<select id=\"$id\" name=\"$id\" $attributes>";
1748 if ($include_all_feeds) {
1749 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1750 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1751 }
1752 }
1753
1754 if (get_pref('ENABLE_FEED_CATS')) {
1755
1756 if ($root_id)
1757 $parent_qpart = "parent_cat = '$root_id'";
1758 else
1759 $parent_qpart = "parent_cat IS NULL";
1760
1761 $result = db_query("SELECT id,title,
1762 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1763 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1764 FROM ttrss_feed_categories
1765 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1766
1767 while ($line = db_fetch_assoc($result)) {
1768
1769 for ($i = 0; $i < $nest_level; $i++)
1770 $line["title"] = " - " . $line["title"];
1771
1772 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1773
1774 printf("<option $is_selected value='CAT:%d'>%s</option>",
1775 $line["id"], htmlspecialchars($line["title"]));
1776
1777 if ($line["num_children"] > 0)
1778 print_feed_select($id, $default_id, $attributes,
1779 $include_all_feeds, $line["id"], $nest_level+1);
1780
1781 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1782 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1783
1784 while ($fline = db_fetch_assoc($feed_result)) {
1785 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1786
1787 $fline["title"] = " + " . $fline["title"];
1788
1789 for ($i = 0; $i < $nest_level; $i++)
1790 $fline["title"] = " - " . $fline["title"];
1791
1792 printf("<option $is_selected value='%d'>%s</option>",
1793 $fline["id"], htmlspecialchars($fline["title"]));
1794 }
1795 }
1796
1797 if (!$root_id) {
1798 $default_is_cat = ($default_id == "CAT:0");
1799 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1800
1801 printf("<option $is_selected value='CAT:0'>%s</option>",
1802 __("Uncategorized"));
1803
1804 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1805 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1806
1807 while ($fline = db_fetch_assoc($feed_result)) {
1808 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1809
1810 $fline["title"] = " + " . $fline["title"];
1811
1812 for ($i = 0; $i < $nest_level; $i++)
1813 $fline["title"] = " - " . $fline["title"];
1814
1815 printf("<option $is_selected value='%d'>%s</option>",
1816 $fline["id"], htmlspecialchars($fline["title"]));
1817 }
1818 }
1819
1820 } else {
1821 $result = db_query("SELECT id,title FROM ttrss_feeds
1822 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1823
1824 while ($line = db_fetch_assoc($result)) {
1825
1826 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1827
1828 printf("<option $is_selected value='%d'>%s</option>",
1829 $line["id"], htmlspecialchars($line["title"]));
1830 }
1831 }
1832
1833 if (!$root_id) {
1834 print "</select>";
1835 }
1836 }
1837
1838 function print_feed_cat_select($id, $default_id,
1839 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1840
1841 if (!$root_id) {
1842 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1843 }
1844
1845 if ($root_id)
1846 $parent_qpart = "parent_cat = '$root_id'";
1847 else
1848 $parent_qpart = "parent_cat IS NULL";
1849
1850 $result = db_query("SELECT id,title,
1851 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1852 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1853 FROM ttrss_feed_categories
1854 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1855
1856 while ($line = db_fetch_assoc($result)) {
1857 if ($line["id"] == $default_id) {
1858 $is_selected = "selected=\"1\"";
1859 } else {
1860 $is_selected = "";
1861 }
1862
1863 for ($i = 0; $i < $nest_level; $i++)
1864 $line["title"] = " - " . $line["title"];
1865
1866 if ($line["title"])
1867 printf("<option $is_selected value='%d'>%s</option>",
1868 $line["id"], htmlspecialchars($line["title"]));
1869
1870 if ($line["num_children"] > 0)
1871 print_feed_cat_select($id, $default_id, $attributes,
1872 $include_all_cats, $line["id"], $nest_level+1);
1873 }
1874
1875 if (!$root_id) {
1876 if ($include_all_cats) {
1877 if (db_num_rows($result) > 0) {
1878 print "<option disabled=\"1\">--------</option>";
1879 }
1880
1881 if ($default_id == 0) {
1882 $is_selected = "selected=\"1\"";
1883 } else {
1884 $is_selected = "";
1885 }
1886
1887 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1888 }
1889 print "</select>";
1890 }
1891 }
1892
1893 function checkbox_to_sql_bool($val) {
1894 return ($val == "on") ? "true" : "false";
1895 }
1896
1897 function getFeedCatTitle($id) {
1898 if ($id == -1) {
1899 return __("Special");
1900 } else if ($id < LABEL_BASE_INDEX) {
1901 return __("Labels");
1902 } else if ($id > 0) {
1903 $result = db_query("SELECT ttrss_feed_categories.title
1904 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1905 cat_id = ttrss_feed_categories.id");
1906 if (db_num_rows($result) == 1) {
1907 return db_fetch_result($result, 0, "title");
1908 } else {
1909 return __("Uncategorized");
1910 }
1911 } else {
1912 return "getFeedCatTitle($id) failed";
1913 }
1914
1915 }
1916
1917 function getFeedIcon($id) {
1918 switch ($id) {
1919 case 0:
1920 return "images/archive.png";
1921 break;
1922 case -1:
1923 return "images/star.png";
1924 break;
1925 case -2:
1926 return "images/feed.png";
1927 break;
1928 case -3:
1929 return "images/fresh.png";
1930 break;
1931 case -4:
1932 return "images/folder.png";
1933 break;
1934 case -6:
1935 return "images/time.png";
1936 break;
1937 default:
1938 if ($id < LABEL_BASE_INDEX) {
1939 return "images/label.png";
1940 } else {
1941 if (file_exists(ICONS_DIR . "/$id.ico"))
1942 return ICONS_URL . "/$id.ico";
1943 }
1944 break;
1945 }
1946
1947 return false;
1948 }
1949
1950 function getFeedTitle($id, $cat = false) {
1951 if ($cat) {
1952 return getCategoryTitle($id);
1953 } else if ($id == -1) {
1954 return __("Starred articles");
1955 } else if ($id == -2) {
1956 return __("Published articles");
1957 } else if ($id == -3) {
1958 return __("Fresh articles");
1959 } else if ($id == -4) {
1960 return __("All articles");
1961 } else if ($id === 0 || $id === "0") {
1962 return __("Archived articles");
1963 } else if ($id == -6) {
1964 return __("Recently read");
1965 } else if ($id < LABEL_BASE_INDEX) {
1966 $label_id = feed_to_label_id($id);
1967 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1968 if (db_num_rows($result) == 1) {
1969 return db_fetch_result($result, 0, "caption");
1970 } else {
1971 return "Unknown label ($label_id)";
1972 }
1973
1974 } else if (is_numeric($id) && $id > 0) {
1975 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1976 if (db_num_rows($result) == 1) {
1977 return db_fetch_result($result, 0, "title");
1978 } else {
1979 return "Unknown feed ($id)";
1980 }
1981 } else {
1982 return $id;
1983 }
1984 }
1985
1986 function make_init_params() {
1987 $params = array();
1988
1989 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1990 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1991 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1992 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1993
1994 $params[strtolower($param)] = (int) get_pref($param);
1995 }
1996
1997 $params["icons_url"] = ICONS_URL;
1998 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1999 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
2000 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
2001 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
2002 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
2003 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
2004
2005 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2006 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2007
2008 $max_feed_id = db_fetch_result($result, 0, "mid");
2009 $num_feeds = db_fetch_result($result, 0, "nf");
2010
2011 $params["max_feed_id"] = (int) $max_feed_id;
2012 $params["num_feeds"] = (int) $num_feeds;
2013
2014 $params["hotkeys"] = get_hotkeys_map();
2015
2016 $params["csrf_token"] = $_SESSION["csrf_token"];
2017 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
2018
2019 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
2020
2021 return $params;
2022 }
2023
2024 function get_hotkeys_info() {
2025 $hotkeys = array(
2026 __("Navigation") => array(
2027 "next_feed" => __("Open next feed"),
2028 "prev_feed" => __("Open previous feed"),
2029 "next_article" => __("Open next article"),
2030 "prev_article" => __("Open previous article"),
2031 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
2032 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
2033 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
2034 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
2035 "search_dialog" => __("Show search dialog")),
2036 __("Article") => array(
2037 "toggle_mark" => __("Toggle starred"),
2038 "toggle_publ" => __("Toggle published"),
2039 "toggle_unread" => __("Toggle unread"),
2040 "edit_tags" => __("Edit tags"),
2041 "dismiss_selected" => __("Dismiss selected"),
2042 "dismiss_read" => __("Dismiss read"),
2043 "open_in_new_window" => __("Open in new window"),
2044 "catchup_below" => __("Mark below as read"),
2045 "catchup_above" => __("Mark above as read"),
2046 "article_scroll_down" => __("Scroll down"),
2047 "article_scroll_up" => __("Scroll up"),
2048 "select_article_cursor" => __("Select article under cursor"),
2049 "email_article" => __("Email article"),
2050 "close_article" => __("Close/collapse article"),
2051 "toggle_expand" => __("Toggle article expansion (combined mode)"),
2052 "toggle_widescreen" => __("Toggle widescreen mode"),
2053 "toggle_embed_original" => __("Toggle embed original")),
2054 __("Article selection") => array(
2055 "select_all" => __("Select all articles"),
2056 "select_unread" => __("Select unread"),
2057 "select_marked" => __("Select starred"),
2058 "select_published" => __("Select published"),
2059 "select_invert" => __("Invert selection"),
2060 "select_none" => __("Deselect everything")),
2061 __("Feed") => array(
2062 "feed_refresh" => __("Refresh current feed"),
2063 "feed_unhide_read" => __("Un/hide read feeds"),
2064 "feed_subscribe" => __("Subscribe to feed"),
2065 "feed_edit" => __("Edit feed"),
2066 "feed_catchup" => __("Mark as read"),
2067 "feed_reverse" => __("Reverse headlines"),
2068 "feed_debug_update" => __("Debug feed update"),
2069 "catchup_all" => __("Mark all feeds as read"),
2070 "cat_toggle_collapse" => __("Un/collapse current category"),
2071 "toggle_combined_mode" => __("Toggle combined mode"),
2072 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
2073 __("Go to") => array(
2074 "goto_all" => __("All articles"),
2075 "goto_fresh" => __("Fresh"),
2076 "goto_marked" => __("Starred"),
2077 "goto_published" => __("Published"),
2078 "goto_tagcloud" => __("Tag cloud"),
2079 "goto_prefs" => __("Preferences")),
2080 __("Other") => array(
2081 "create_label" => __("Create label"),
2082 "create_filter" => __("Create filter"),
2083 "collapse_sidebar" => __("Un/collapse sidebar"),
2084 "help_dialog" => __("Show help dialog"))
2085 );
2086
2087 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2088 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2089 }
2090
2091 return $hotkeys;
2092 }
2093
2094 function get_hotkeys_map() {
2095 $hotkeys = array(
2096 // "navigation" => array(
2097 "k" => "next_feed",
2098 "j" => "prev_feed",
2099 "n" => "next_article",
2100 "p" => "prev_article",
2101 "(38)|up" => "prev_article",
2102 "(40)|down" => "next_article",
2103 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2104 // "^(40)|Ctrl-down" => "next_article_noscroll",
2105 "(191)|/" => "search_dialog",
2106 // "article" => array(
2107 "s" => "toggle_mark",
2108 "*s" => "toggle_publ",
2109 "u" => "toggle_unread",
2110 "*t" => "edit_tags",
2111 "*d" => "dismiss_selected",
2112 "*x" => "dismiss_read",
2113 "o" => "open_in_new_window",
2114 "c p" => "catchup_below",
2115 "c n" => "catchup_above",
2116 "*n" => "article_scroll_down",
2117 "*p" => "article_scroll_up",
2118 "*(38)|Shift+up" => "article_scroll_up",
2119 "*(40)|Shift+down" => "article_scroll_down",
2120 "a *w" => "toggle_widescreen",
2121 "a e" => "toggle_embed_original",
2122 "e" => "email_article",
2123 "a q" => "close_article",
2124 // "article_selection" => array(
2125 "a a" => "select_all",
2126 "a u" => "select_unread",
2127 "a *u" => "select_marked",
2128 "a p" => "select_published",
2129 "a i" => "select_invert",
2130 "a n" => "select_none",
2131 // "feed" => array(
2132 "f r" => "feed_refresh",
2133 "f a" => "feed_unhide_read",
2134 "f s" => "feed_subscribe",
2135 "f e" => "feed_edit",
2136 "f q" => "feed_catchup",
2137 "f x" => "feed_reverse",
2138 "f *d" => "feed_debug_update",
2139 "f *c" => "toggle_combined_mode",
2140 "f c" => "toggle_cdm_expanded",
2141 "*q" => "catchup_all",
2142 "x" => "cat_toggle_collapse",
2143 // "goto" => array(
2144 "g a" => "goto_all",
2145 "g f" => "goto_fresh",
2146 "g s" => "goto_marked",
2147 "g p" => "goto_published",
2148 "g t" => "goto_tagcloud",
2149 "g *p" => "goto_prefs",
2150 // "other" => array(
2151 "(9)|Tab" => "select_article_cursor", // tab
2152 "c l" => "create_label",
2153 "c f" => "create_filter",
2154 "c s" => "collapse_sidebar",
2155 "^(191)|Ctrl+/" => "help_dialog",
2156 );
2157
2158 if (get_pref('COMBINED_DISPLAY_MODE')) {
2159 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2160 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2161 }
2162
2163 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2164 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2165 }
2166
2167 $prefixes = array();
2168
2169 foreach (array_keys($hotkeys) as $hotkey) {
2170 $pair = explode(" ", $hotkey, 2);
2171
2172 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2173 array_push($prefixes, $pair[0]);
2174 }
2175 }
2176
2177 return array($prefixes, $hotkeys);
2178 }
2179
2180 function make_runtime_info() {
2181 $data = array();
2182
2183 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2184 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2185
2186 $max_feed_id = db_fetch_result($result, 0, "mid");
2187 $num_feeds = db_fetch_result($result, 0, "nf");
2188
2189 $data["max_feed_id"] = (int) $max_feed_id;
2190 $data["num_feeds"] = (int) $num_feeds;
2191
2192 $data['last_article_id'] = getLastArticleId();
2193 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2194
2195 $data['dep_ts'] = calculate_dep_timestamp();
2196 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2197
2198 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2199
2200 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2201
2202 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2203
2204 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2205
2206 if ($stamp) {
2207 $stamp_delta = time() - $stamp;
2208
2209 if ($stamp_delta > 1800) {
2210 $stamp_check = 0;
2211 } else {
2212 $stamp_check = 1;
2213 $_SESSION["daemon_stamp_check"] = time();
2214 }
2215
2216 $data['daemon_stamp_ok'] = $stamp_check;
2217
2218 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2219
2220 $data['daemon_stamp'] = $stamp_fmt;
2221 }
2222 }
2223 }
2224
2225 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2226 $new_version_details = @check_for_update();
2227
2228 $data['new_version_available'] = (int) ($new_version_details != false);
2229
2230 $_SESSION["last_version_check"] = time();
2231 $_SESSION["version_data"] = $new_version_details;
2232 }
2233
2234 return $data;
2235 }
2236
2237 function search_to_sql($search) {
2238
2239 $search_query_part = "";
2240
2241 $keywords = explode(" ", $search);
2242 $query_keywords = array();
2243 $search_words = array();
2244
2245 foreach ($keywords as $k) {
2246 if (strpos($k, "-") === 0) {
2247 $k = substr($k, 1);
2248 $not = "NOT";
2249 } else {
2250 $not = "";
2251 }
2252
2253 $commandpair = explode(":", mb_strtolower($k), 2);
2254
2255 switch ($commandpair[0]) {
2256 case "title":
2257 if ($commandpair[1]) {
2258 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2259 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2260 } else {
2261 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2262 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2263 array_push($search_words, $k);
2264 }
2265 break;
2266 case "author":
2267 if ($commandpair[1]) {
2268 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2269 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2270 } else {
2271 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2272 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2273 array_push($search_words, $k);
2274 }
2275 break;
2276 case "note":
2277 if ($commandpair[1]) {
2278 if ($commandpair[1] == "true")
2279 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2280 else if ($commandpair[1] == "false")
2281 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2282 else
2283 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2284 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2285 } else {
2286 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2287 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2288 if (!$not) array_push($search_words, $k);
2289 }
2290 break;
2291 case "star":
2292
2293 if ($commandpair[1]) {
2294 if ($commandpair[1] == "true")
2295 array_push($query_keywords, "($not (marked = true))");
2296 else
2297 array_push($query_keywords, "($not (marked = false))");
2298 } else {
2299 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2300 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2301 if (!$not) array_push($search_words, $k);
2302 }
2303 break;
2304 case "pub":
2305 if ($commandpair[1]) {
2306 if ($commandpair[1] == "true")
2307 array_push($query_keywords, "($not (published = true))");
2308 else
2309 array_push($query_keywords, "($not (published = false))");
2310
2311 } else {
2312 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2313 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2314 if (!$not) array_push($search_words, $k);
2315 }
2316 break;
2317 default:
2318 if (strpos($k, "@") === 0) {
2319
2320 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2321 $orig_ts = strtotime(substr($k, 1));
2322 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2323
2324 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2325
2326 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2327 } else {
2328 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2329 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2330
2331 if (!$not) array_push($search_words, $k);
2332 }
2333 }
2334 }
2335
2336 $search_query_part = implode("AND", $query_keywords);
2337
2338 return array($search_query_part, $search_words);
2339 }
2340
2341 function getParentCategories($cat, $owner_uid) {
2342 $rv = array();
2343
2344 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2345 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2346
2347 while ($line = db_fetch_assoc($result)) {
2348 array_push($rv, $line["parent_cat"]);
2349 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2350 }
2351
2352 return $rv;
2353 }
2354
2355 function getChildCategories($cat, $owner_uid) {
2356 $rv = array();
2357
2358 $result = db_query("SELECT id FROM ttrss_feed_categories
2359 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2360
2361 while ($line = db_fetch_assoc($result)) {
2362 array_push($rv, $line["id"]);
2363 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2364 }
2365
2366 return $rv;
2367 }
2368
2369 function queryFeedHeadlines($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, $override_vfeed = false) {
2370
2371 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2372
2373 $ext_tables_part = "";
2374 $search_words = array();
2375
2376 if ($search) {
2377
2378 if (SPHINX_ENABLED) {
2379 $ids = join(",", @sphinx_search($search, 0, 500));
2380
2381 if ($ids)
2382 $search_query_part = "ref_id IN ($ids) AND ";
2383 else
2384 $search_query_part = "ref_id = -1 AND ";
2385
2386 } else {
2387 list($search_query_part, $search_words) = search_to_sql($search);
2388 $search_query_part .= " AND ";
2389 }
2390
2391 } else {
2392 $search_query_part = "";
2393 }
2394
2395 if ($filter) {
2396
2397 if (DB_TYPE == "pgsql") {
2398 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2399 } else {
2400 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2401 }
2402
2403 $override_order = "updated DESC";
2404
2405 $filter_query_part = filter_to_sql($filter, $owner_uid);
2406
2407 // Try to check if SQL regexp implementation chokes on a valid regexp
2408
2409
2410 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2411 ttrss_user_entries, ttrss_feeds
2412 WHERE $filter_query_part LIMIT 1", false);
2413
2414 if ($result) {
2415 $test = db_fetch_result($result, 0, "true_val");
2416
2417 if (!$test) {
2418 $filter_query_part = "false AND";
2419 } else {
2420 $filter_query_part .= " AND";
2421 }
2422 } else {
2423 $filter_query_part = "false AND";
2424 }
2425
2426 } else {
2427 $filter_query_part = "";
2428 }
2429
2430 if ($since_id) {
2431 $since_id_part = "ttrss_entries.id > $since_id AND ";
2432 } else {
2433 $since_id_part = "";
2434 }
2435
2436 $view_query_part = "";
2437
2438 if ($view_mode == "adaptive") {
2439 if ($search) {
2440 $view_query_part = " ";
2441 } else if ($feed != -1) {
2442
2443 $unread = getFeedUnread($feed, $cat_view);
2444
2445 if ($cat_view && $feed > 0 && $include_children)
2446 $unread += getCategoryChildrenUnread($feed);
2447
2448 if ($unread > 0)
2449 $view_query_part = " unread = true AND ";
2450
2451 }
2452 }
2453
2454 if ($view_mode == "marked") {
2455 $view_query_part = " marked = true AND ";
2456 }
2457
2458 if ($view_mode == "has_note") {
2459 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2460 }
2461
2462 if ($view_mode == "published") {
2463 $view_query_part = " published = true AND ";
2464 }
2465
2466 if ($view_mode == "unread" && $feed != -6) {
2467 $view_query_part = " unread = true AND ";
2468 }
2469
2470 if ($limit > 0) {
2471 $limit_query_part = "LIMIT " . $limit;
2472 }
2473
2474 $allow_archived = false;
2475
2476 $vfeed_query_part = "";
2477
2478 // override query strategy and enable feed display when searching globally
2479 if ($search && $search_mode == "all_feeds") {
2480 $query_strategy_part = "true";
2481 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2482 /* tags */
2483 } else if (!is_numeric($feed)) {
2484 $query_strategy_part = "true";
2485 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2486 id = feed_id) as feed_title,";
2487 } else if ($search && $search_mode == "this_cat") {
2488 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2489
2490 if ($feed > 0) {
2491 if ($include_children) {
2492 $subcats = getChildCategories($feed, $owner_uid);
2493 array_push($subcats, $feed);
2494 $cats_qpart = join(",", $subcats);
2495 } else {
2496 $cats_qpart = $feed;
2497 }
2498
2499 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2500
2501 } else {
2502 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2503 }
2504
2505 } else if ($feed > 0) {
2506
2507 if ($cat_view) {
2508
2509 if ($feed > 0) {
2510 if ($include_children) {
2511 # sub-cats
2512 $subcats = getChildCategories($feed, $owner_uid);
2513
2514 array_push($subcats, $feed);
2515 $query_strategy_part = "cat_id IN (".
2516 implode(",", $subcats).")";
2517
2518 } else {
2519 $query_strategy_part = "cat_id = '$feed'";
2520 }
2521
2522 } else {
2523 $query_strategy_part = "cat_id IS NULL";
2524 }
2525
2526 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2527
2528 } else {
2529 $query_strategy_part = "feed_id = '$feed'";
2530 }
2531 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2532 $query_strategy_part = "feed_id IS NULL";
2533 $allow_archived = true;
2534 } else if ($feed == 0 && $cat_view) { // uncategorized
2535 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2536 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2537 } else if ($feed == -1) { // starred virtual feed
2538 $query_strategy_part = "marked = true";
2539 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2540 $allow_archived = true;
2541
2542 if (!$override_order) {
2543 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2544 }
2545
2546 } else if ($feed == -2) { // published virtual feed OR labels category
2547
2548 if (!$cat_view) {
2549 $query_strategy_part = "published = true";
2550 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2551 $allow_archived = true;
2552
2553 if (!$override_order) {
2554 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2555 }
2556
2557 } else {
2558 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2559
2560 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2561
2562 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2563 ttrss_user_labels2.article_id = ref_id";
2564
2565 }
2566 } else if ($feed == -6) { // recently read
2567 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2568 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2569 $allow_archived = true;
2570
2571 if (!$override_order) $override_order = "last_read DESC";
2572
2573 /* } else if ($feed == -7) { // shared
2574 $query_strategy_part = "uuid != ''";
2575 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2576 $allow_archived = true; */
2577 } else if ($feed == -3) { // fresh virtual feed
2578 $query_strategy_part = "unread = true AND score >= 0";
2579
2580 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2581
2582 if (DB_TYPE == "pgsql") {
2583 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2584 } else {
2585 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2586 }
2587
2588 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2589 } else if ($feed == -4) { // all articles virtual feed
2590 $allow_archived = true;
2591 $query_strategy_part = "true";
2592 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2593 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2594 $label_id = feed_to_label_id($feed);
2595
2596 $query_strategy_part = "label_id = '$label_id' AND
2597 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2598 ttrss_user_labels2.article_id = ref_id";
2599
2600 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2601 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2602 $allow_archived = true;
2603
2604 } else {
2605 $query_strategy_part = "true";
2606 }
2607
2608 $order_by = "score DESC, date_entered DESC, updated DESC";
2609
2610 if ($view_mode == "unread_first") {
2611 $order_by = "unread DESC, $order_by";
2612 }
2613
2614 if ($override_order) {
2615 $order_by = $override_order;
2616 }
2617
2618 if ($override_strategy) {
2619 $query_strategy_part = $override_strategy;
2620 }
2621
2622 if ($override_vfeed) {
2623 $vfeed_query_part = $override_vfeed;
2624 }
2625
2626 $feed_title = "";
2627
2628 if ($search) {
2629 $feed_title = T_sprintf("Search results: %s", $search);
2630 } else {
2631 if ($cat_view) {
2632 $feed_title = getCategoryTitle($feed);
2633 } else {
2634 if (is_numeric($feed) && $feed > 0) {
2635 $result = db_query("SELECT title,site_url,last_error,last_updated
2636 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2637
2638 $feed_title = db_fetch_result($result, 0, "title");
2639 $feed_site_url = db_fetch_result($result, 0, "site_url");
2640 $last_error = db_fetch_result($result, 0, "last_error");
2641 $last_updated = db_fetch_result($result, 0, "last_updated");
2642 } else {
2643 $feed_title = getFeedTitle($feed);
2644 }
2645 }
2646 }
2647
2648
2649 $content_query_part = "content, content AS content_preview, ";
2650
2651
2652 if (is_numeric($feed)) {
2653
2654 if ($feed >= 0) {
2655 $feed_kind = "Feeds";
2656 } else {
2657 $feed_kind = "Labels";
2658 }
2659
2660 if ($limit_query_part) {
2661 $offset_query_part = "OFFSET $offset";
2662 }
2663
2664 // proper override_order applied above
2665 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2666 if (!$override_order) {
2667 $order_by = "ttrss_feeds.title, $order_by";
2668 } else {
2669 $order_by = "ttrss_feeds.title, $override_order";
2670 }
2671 }
2672
2673 if (!$allow_archived) {
2674 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2675 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2676
2677 } else {
2678 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2679 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2680 }
2681
2682 if ($vfeed_query_part)
2683 $vfeed_query_part .= "favicon_avg_color,";
2684
2685 $query = "SELECT DISTINCT
2686 date_entered,
2687 guid,
2688 ttrss_entries.id,ttrss_entries.title,
2689 updated,
2690 label_cache,
2691 tag_cache,
2692 always_display_enclosures,
2693 site_url,
2694 note,
2695 num_comments,
2696 comments,
2697 int_id,
2698 uuid,
2699 lang,
2700 hide_images,
2701 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2702 last_marked, last_published,
2703 $vfeed_query_part
2704 $content_query_part
2705 author,score
2706 FROM
2707 $from_qpart
2708 WHERE
2709 $feed_check_qpart
2710 ttrss_user_entries.ref_id = ttrss_entries.id AND
2711 ttrss_user_entries.owner_uid = '$owner_uid' AND
2712 $search_query_part
2713 $filter_query_part
2714 $view_query_part
2715 $since_id_part
2716 $query_strategy_part ORDER BY $order_by
2717 $limit_query_part $offset_query_part";
2718
2719 if ($_REQUEST["debug"]) print $query;
2720
2721 $result = db_query($query);
2722
2723 } else {
2724 // browsing by tag
2725
2726 $select_qpart = "SELECT DISTINCT " .
2727 "date_entered," .
2728 "guid," .
2729 "note," .
2730 "ttrss_entries.id as id," .
2731 "title," .
2732 "updated," .
2733 "unread," .
2734 "feed_id," .
2735 "orig_feed_id," .
2736 "marked," .
2737 "num_comments, " .
2738 "comments, " .
2739 "tag_cache," .
2740 "label_cache," .
2741 "link," .
2742 "lang," .
2743 "uuid," .
2744 "last_read," .
2745 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2746 "last_marked, last_published, " .
2747 $since_id_part .
2748 $vfeed_query_part .
2749 $content_query_part .
2750 "score ";
2751
2752 $feed_kind = "Tags";
2753 $all_tags = explode(",", $feed);
2754 if ($search_mode == 'any') {
2755 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2756 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2757 $where_qpart = " WHERE " .
2758 "ref_id = ttrss_entries.id AND " .
2759 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2760 "post_int_id = int_id AND $tag_sql AND " .
2761 $view_query_part .
2762 $search_query_part .
2763 $query_strategy_part . " ORDER BY $order_by " .
2764 $limit_query_part;
2765
2766 } else {
2767 $i = 1;
2768 $sub_selects = array();
2769 $sub_ands = array();
2770 foreach ($all_tags as $term) {
2771 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2772 $i++;
2773 }
2774 if ($i > 2) {
2775 $x = 1;
2776 $y = 2;
2777 do {
2778 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2779 $x++;
2780 $y++;
2781 } while ($y < $i);
2782 }
2783 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2784 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2785 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2786 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2787 }
2788 // error_log("TAG SQL: " . $tag_sql);
2789 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2790
2791 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2792 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2793 }
2794
2795 return array($result, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words);
2796
2797 }
2798
2799 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
2800 if (!$owner) $owner = $_SESSION["uid"];
2801
2802 $res = trim($str); if (!$res) return '';
2803
2804 $charset_hack = '<head>
2805 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2806 </head>';
2807
2808 $res = trim($res); if (!$res) return '';
2809
2810 libxml_use_internal_errors(true);
2811
2812 $doc = new DOMDocument();
2813 $doc->loadHTML($charset_hack . $res);
2814 $xpath = new DOMXPath($doc);
2815
2816 $entries = $xpath->query('(//a[@href]|//img[@src])');
2817
2818 foreach ($entries as $entry) {
2819
2820 if ($site_url) {
2821
2822 if ($entry->hasAttribute('href'))
2823 $entry->setAttribute('href',
2824 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2825
2826 if ($entry->hasAttribute('src')) {
2827 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2828
2829 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2830
2831 if (file_exists($cached_filename)) {
2832 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2833 }
2834
2835 $entry->setAttribute('src', $src);
2836 }
2837
2838 if ($entry->nodeName == 'img') {
2839 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2840 $force_remove_images || $_SESSION["bw_limit"]) {
2841
2842 $p = $doc->createElement('p');
2843
2844 $a = $doc->createElement('a');
2845 $a->setAttribute('href', $entry->getAttribute('src'));
2846
2847 $a->appendChild(new DOMText($entry->getAttribute('src')));
2848 $a->setAttribute('target', '_blank');
2849
2850 $p->appendChild($a);
2851
2852 $entry->parentNode->replaceChild($p, $entry);
2853 }
2854 }
2855 }
2856
2857 if (strtolower($entry->nodeName) == "a") {
2858 $entry->setAttribute("target", "_blank");
2859 }
2860 }
2861
2862 $entries = $xpath->query('//iframe');
2863 foreach ($entries as $entry) {
2864 $entry->setAttribute('sandbox', 'allow-scripts');
2865
2866 }
2867
2868 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2869 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2870 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2871 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2872 'dt', 'em', 'footer', 'figure', 'figcaption',
2873 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2874 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2875 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2876 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2877 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2878 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2879
2880 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2881
2882 $disallowed_attributes = array('id', 'style', 'class');
2883
2884 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2885 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
2886 if (is_array($retval)) {
2887 $doc = $retval[0];
2888 $allowed_elements = $retval[1];
2889 $disallowed_attributes = $retval[2];
2890 } else {
2891 $doc = $retval;
2892 }
2893 }
2894
2895 $doc->removeChild($doc->doctype); //remove doctype
2896 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2897
2898 if ($highlight_words) {
2899 foreach ($highlight_words as $word) {
2900
2901 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
2902
2903 $elements = $xpath->query("//*/text()");
2904
2905 foreach ($elements as $child) {
2906
2907 $fragment = $doc->createDocumentFragment();
2908 $text = $child->textContent;
2909 $stubs = array();
2910
2911 while (($pos = mb_stripos($text, $word)) !== false) {
2912 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
2913 $word = mb_substr($text, $pos, mb_strlen($word));
2914 $highlight = $doc->createElement('span');
2915 $highlight->appendChild(new DomText($word));
2916 $highlight->setAttribute('class', 'highlight');
2917 $fragment->appendChild($highlight);
2918 $text = mb_substr($text, $pos + mb_strlen($word));
2919 }
2920
2921 if (!empty($text)) $fragment->appendChild(new DomText($text));
2922
2923 $child->parentNode->replaceChild($fragment, $child);
2924 }
2925 }
2926 }
2927
2928 $body = $doc->getElementsByTagName("body")->item(0);
2929
2930 if ($body) {
2931 $div = $doc->createElement("div");
2932
2933 foreach ($body->childNodes as $child) {
2934 $div->appendChild($child);
2935 }
2936
2937 $res = $doc->saveXML($div);
2938 } else {
2939 $res = $doc->saveHTML();
2940 }
2941
2942 return $res;
2943 }
2944
2945 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2946 $xpath = new DOMXPath($doc);
2947 $entries = $xpath->query('//*');
2948
2949 foreach ($entries as $entry) {
2950 if (!in_array($entry->nodeName, $allowed_elements)) {
2951 $entry->parentNode->removeChild($entry);
2952 }
2953
2954 if ($entry->hasAttributes()) {
2955 $attrs_to_remove = array();
2956
2957 foreach ($entry->attributes as $attr) {
2958
2959 if (strpos($attr->nodeName, 'on') === 0) {
2960 array_push($attrs_to_remove, $attr);
2961 }
2962
2963 if (in_array($attr->nodeName, $disallowed_attributes)) {
2964 array_push($attrs_to_remove, $attr);
2965 }
2966 }
2967
2968 foreach ($attrs_to_remove as $attr) {
2969 $entry->removeAttributeNode($attr);
2970 }
2971 }
2972 }
2973
2974 return $doc;
2975 }
2976
2977 function check_for_update() {
2978 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2979 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2980 "&iid=" . sha1(SELF_URL_PATH);
2981
2982 $version_data = @fetch_file_contents($version_url);
2983
2984 if ($version_data) {
2985 $version_data = json_decode($version_data, true);
2986 if ($version_data && $version_data['version']) {
2987 if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
2988 return $version_data;
2989 }
2990 }
2991 }
2992 }
2993 return false;
2994 }
2995
2996 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2997
2998 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2999 if (count($ids) == 0) return;
3000
3001 $tmp_ids = array();
3002
3003 foreach ($ids as $id) {
3004 array_push($tmp_ids, "ref_id = '$id'");
3005 }
3006
3007 $ids_qpart = join(" OR ", $tmp_ids);
3008
3009 if ($cmode == 0) {
3010 db_query("UPDATE ttrss_user_entries SET
3011 unread = false,last_read = NOW()
3012 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3013 } else if ($cmode == 1) {
3014 db_query("UPDATE ttrss_user_entries SET
3015 unread = true
3016 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3017 } else {
3018 db_query("UPDATE ttrss_user_entries SET
3019 unread = NOT unread,last_read = NOW()
3020 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3021 }
3022
3023 /* update ccache */
3024
3025 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
3026 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3027
3028 while ($line = db_fetch_assoc($result)) {
3029 ccache_update($line["feed_id"], $owner_uid);
3030 }
3031 }
3032
3033 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
3034
3035 $a_id = db_escape_string($id);
3036
3037 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3038
3039 $query = "SELECT DISTINCT tag_name,
3040 owner_uid as owner FROM
3041 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3042 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
3043
3044 $tags = array();
3045
3046 /* check cache first */
3047
3048 if ($tag_cache === false) {
3049 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
3050 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3051
3052 $tag_cache = db_fetch_result($result, 0, "tag_cache");
3053 }
3054
3055 if ($tag_cache) {
3056 $tags = explode(",", $tag_cache);
3057 } else {
3058
3059 /* do it the hard way */
3060
3061 $tmp_result = db_query($query);
3062
3063 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3064 array_push($tags, $tmp_line["tag_name"]);
3065 }
3066
3067 /* update the cache */
3068
3069 $tags_str = db_escape_string(join(",", $tags));
3070
3071 db_query("UPDATE ttrss_user_entries
3072 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
3073 AND owner_uid = $owner_uid");
3074 }
3075
3076 return $tags;
3077 }
3078
3079 function trim_array($array) {
3080 $tmp = $array;
3081 array_walk($tmp, 'trim');
3082 return $tmp;
3083 }
3084
3085 function tag_is_valid($tag) {
3086 if ($tag == '') return false;
3087 if (preg_match("/^[0-9]*$/", $tag)) return false;
3088 if (mb_strlen($tag) > 250) return false;
3089
3090 if (!$tag) return false;
3091
3092 return true;
3093 }
3094
3095 function render_login_form() {
3096 header('Cache-Control: public');
3097
3098 require_once "login_form.php";
3099 exit;
3100 }
3101
3102 function format_warning($msg, $id = "") {
3103 global $link;
3104 return "<div class=\"warning\" id=\"$id\">
3105 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3106 }
3107
3108 function format_notice($msg, $id = "") {
3109 global $link;
3110 return "<div class=\"notice\" id=\"$id\">
3111 <span><img src=\"images/information.png\"></span><span>$msg</span></div>";
3112 }
3113
3114 function format_error($msg, $id = "") {
3115 global $link;
3116 return "<div class=\"error\" id=\"$id\">
3117 <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
3118 }
3119
3120 function print_notice($msg) {
3121 return print format_notice($msg);
3122 }
3123
3124 function print_warning($msg) {
3125 return print format_warning($msg);
3126 }
3127
3128 function print_error($msg) {
3129 return print format_error($msg);
3130 }
3131
3132
3133 function T_sprintf() {
3134 $args = func_get_args();
3135 return vsprintf(__(array_shift($args)), $args);
3136 }
3137
3138 function format_inline_player($url, $ctype) {
3139
3140 $entry = "";
3141
3142 $url = htmlspecialchars($url);
3143
3144 if (strpos($ctype, "audio/") === 0) {
3145
3146 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3147 $_SESSION["hasMp3"])) {
3148
3149 $entry .= "<audio preload=\"none\" controls>
3150 <source type=\"$ctype\" src=\"$url\"></source>
3151 </audio>";
3152
3153 } else {
3154
3155 $entry .= "<object type=\"application/x-shockwave-flash\"
3156 data=\"lib/button/musicplayer.swf?song_url=$url\"
3157 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3158 <param name=\"movie\"
3159 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3160 </object>";
3161 }
3162
3163 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3164 href=\"$url\">" . basename($url) . "</a>";
3165
3166 return $entry;
3167
3168 }
3169
3170 return "";
3171
3172 /* $filename = substr($url, strrpos($url, "/")+1);
3173
3174 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3175 $filename . " (" . $ctype . ")" . "</a>"; */
3176
3177 }
3178
3179 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3180 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3181
3182 $rv = array();
3183
3184 $rv['id'] = $id;
3185
3186 /* we can figure out feed_id from article id anyway, why do we
3187 * pass feed_id here? let's ignore the argument :(*/
3188
3189 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3190 WHERE ref_id = '$id'");
3191
3192 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3193
3194 $rv['feed_id'] = $feed_id;
3195
3196 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3197
3198 if ($mark_as_read) {
3199 $result = db_query("UPDATE ttrss_user_entries
3200 SET unread = false,last_read = NOW()
3201 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3202
3203 ccache_update($feed_id, $owner_uid);
3204 }
3205
3206 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
3207 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3208 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3209 (SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
3210 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3211 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3212 num_comments,
3213 tag_cache,
3214 author,
3215 orig_feed_id,
3216 note
3217 FROM ttrss_entries,ttrss_user_entries
3218 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3219
3220 if ($result) {
3221
3222 $line = db_fetch_assoc($result);
3223
3224 $tag_cache = $line["tag_cache"];
3225
3226 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3227 unset($line["tag_cache"]);
3228
3229 $line["content"] = sanitize($line["content"],
3230 sql_bool_to_bool($line['hide_images']),
3231 $owner_uid, $line["site_url"], false, $line["id"]);
3232
3233 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3234 $line = $p->hook_render_article($line);
3235 }
3236
3237 $num_comments = $line["num_comments"];
3238 $entry_comments = "";
3239
3240 if ($num_comments > 0) {
3241 if ($line["comments"]) {
3242 $comments_url = htmlspecialchars($line["comments"]);
3243 } else {
3244 $comments_url = htmlspecialchars($line["link"]);
3245 }
3246 $entry_comments = "<a class=\"postComments\"
3247 target='_blank' href=\"$comments_url\">$num_comments ".
3248 _ngettext("comment", "comments", $num_comments)."</a>";
3249
3250 } else {
3251 if ($line["comments"] && $line["link"] != $line["comments"]) {
3252 $entry_comments = "<a class=\"postComments\" target='_blank' href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
3253 }
3254 }
3255
3256 if ($zoom_mode) {
3257 header("Content-Type: text/html");
3258 $rv['content'] .= "<html><head>
3259 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3260 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3261 <link rel=\"stylesheet\" type=\"text/css\" href=\"css/tt-rss.css\">
3262 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
3263 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
3264
3265 <script type=\"text/javascript\">
3266 function openSelectedAttachment(elem) {
3267 try {
3268 var url = elem[elem.selectedIndex].value;
3269
3270 if (url) {
3271 window.open(url);
3272 elem.selectedIndex = 0;
3273 }
3274
3275 } catch (e) {
3276 exception_error(\"openSelectedAttachment\", e);
3277 }
3278 }
3279 </script>
3280 </head><body id=\"ttrssZoom\">";
3281 }
3282
3283 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3284
3285 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3286
3287 $entry_author = $line["author"];
3288
3289 if ($entry_author) {
3290 $entry_author = __(" - ") . $entry_author;
3291 }
3292
3293 $parsed_updated = make_local_datetime($line["updated"], true,
3294 $owner_uid, true);
3295
3296 if (!$zoom_mode)
3297 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3298
3299 if ($line["link"]) {
3300 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3301 title=\"".htmlspecialchars($line['title'])."\"
3302 href=\"" .
3303 htmlspecialchars($line["link"]) . "\">" .
3304 $line["title"] . "</a>" .
3305 "<span class='author'>$entry_author</span></div>";
3306 } else {
3307 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3308 }
3309
3310 if ($zoom_mode) {
3311 $feed_title = "<a href=\"".htmlspecialchars($line["site_url"]).
3312 "\" target=\"_blank\">".
3313 htmlspecialchars($line["feed_title"])."</a>";
3314
3315 $rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
3316
3317 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3318 }
3319
3320 $tags_str = format_tags_string($line["tags"], $id);
3321 $tags_str_full = join(", ", $line["tags"]);
3322
3323 if (!$tags_str_full) $tags_str_full = __("no tags");
3324
3325 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3326
3327 $rv['content'] .= "<div class='postTags' style='float : right'>
3328 <img src='images/tag.png'
3329 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3330
3331 if (!$zoom_mode) {
3332 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3333 <a title=\"".__('Edit tags for this article')."\"
3334 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3335
3336 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3337 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3338 position=\"below\">$tags_str_full</div>";
3339
3340 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3341 $rv['content'] .= $p->hook_article_button($line);
3342 }
3343
3344 } else {
3345 $tags_str = strip_tags($tags_str);
3346 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3347 }
3348 $rv['content'] .= "</div>";
3349 $rv['content'] .= "<div clear='both'>";
3350
3351 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3352 $rv['content'] .= $p->hook_article_left_button($line);
3353 }
3354
3355 $rv['content'] .= "$entry_comments</div>";
3356
3357 if ($line["orig_feed_id"]) {
3358
3359 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3360 WHERE id = ".$line["orig_feed_id"]);
3361
3362 if (db_num_rows($tmp_result) != 0) {
3363
3364 $rv['content'] .= "<div clear='both'>";
3365 $rv['content'] .= __("Originally from:");
3366
3367 $rv['content'] .= "&nbsp;";
3368
3369 $tmp_line = db_fetch_assoc($tmp_result);
3370
3371 $rv['content'] .= "<a target='_blank'
3372 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3373 $tmp_line['title'] . "</a>";
3374
3375 $rv['content'] .= "&nbsp;";
3376
3377 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3378 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3379
3380 $rv['content'] .= "</div>";
3381 }
3382 }
3383
3384 $rv['content'] .= "</div>";
3385
3386 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3387 if ($line['note']) {
3388 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3389 }
3390 $rv['content'] .= "</div>";
3391
3392 if (!$line['lang']) $line['lang'] = 'en';
3393
3394 $rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
3395
3396 $rv['content'] .= $line["content"];
3397 $rv['content'] .= format_article_enclosures($id,
3398 sql_bool_to_bool($line["always_display_enclosures"]),
3399 $line["content"],
3400 sql_bool_to_bool($line["hide_images"]));
3401
3402 $rv['content'] .= "</div>";
3403
3404 $rv['content'] .= "</div>";
3405
3406 }
3407
3408 if ($zoom_mode) {
3409 $rv['content'] .= "
3410 <div class='footer'>
3411 <button onclick=\"return window.close()\">".
3412 __("Close this window")."</button></div>";
3413 $rv['content'] .= "</body></html>";
3414 }
3415
3416 return $rv;
3417
3418 }
3419
3420 function print_checkpoint($n, $s) {
3421 $ts = microtime(true);
3422 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
3423 return $ts;
3424 }
3425
3426 function sanitize_tag($tag) {
3427 $tag = trim($tag);
3428
3429 $tag = mb_strtolower($tag, 'utf-8');
3430
3431 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3432
3433 // $tag = str_replace('"', "", $tag);
3434 // $tag = str_replace("+", " ", $tag);
3435 $tag = str_replace("technorati tag: ", "", $tag);
3436
3437 return $tag;
3438 }
3439
3440 function get_self_url_prefix() {
3441 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3442 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3443 } else {
3444 return SELF_URL_PATH;
3445 }
3446 }
3447
3448 /**
3449 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3450 *
3451 * @return string The Mozilla Firefox feed adding URL.
3452 */
3453 function add_feed_url() {
3454 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3455
3456 $url_path = get_self_url_prefix() .
3457 "/public.php?op=subscribe&feed_url=%s";
3458 return $url_path;
3459 } // function add_feed_url
3460
3461 function encrypt_password($pass, $salt = '', $mode2 = false) {
3462 if ($salt && $mode2) {
3463 return "MODE2:" . hash('sha256', $salt . $pass);
3464 } else if ($salt) {
3465 return "SHA1X:" . sha1("$salt:$pass");
3466 } else {
3467 return "SHA1:" . sha1($pass);
3468 }
3469 } // function encrypt_password
3470
3471 function load_filters($feed_id, $owner_uid, $action_id = false) {
3472 $filters = array();
3473
3474 $cat_id = (int)getFeedCategory($feed_id);
3475
3476 if ($cat_id == 0)
3477 $null_cat_qpart = "cat_id IS NULL OR";
3478 else
3479 $null_cat_qpart = "";
3480
3481 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3482 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3483
3484 $check_cats = join(",", array_merge(
3485 getParentCategories($cat_id, $owner_uid),
3486 array($cat_id)));
3487
3488 while ($line = db_fetch_assoc($result)) {
3489 $filter_id = $line["id"];
3490
3491 $result2 = db_query("SELECT
3492 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3493 FROM ttrss_filters2_rules AS r,
3494 ttrss_filter_types AS t
3495 WHERE
3496 ($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats)) AND
3497 (feed_id IS NULL OR feed_id = '$feed_id') AND
3498 filter_type = t.id AND filter_id = '$filter_id'");
3499
3500 $rules = array();
3501 $actions = array();
3502
3503 while ($rule_line = db_fetch_assoc($result2)) {
3504 # print_r($rule_line);
3505
3506 $rule = array();
3507 $rule["reg_exp"] = $rule_line["reg_exp"];
3508 $rule["type"] = $rule_line["type_name"];
3509 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3510
3511 array_push($rules, $rule);
3512 }
3513
3514 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3515 FROM ttrss_filters2_actions AS a,
3516 ttrss_filter_actions AS t
3517 WHERE
3518 action_id = t.id AND filter_id = '$filter_id'");
3519
3520 while ($action_line = db_fetch_assoc($result2)) {
3521 # print_r($action_line);
3522
3523 $action = array();
3524 $action["type"] = $action_line["type_name"];
3525 $action["param"] = $action_line["action_param"];
3526
3527 array_push($actions, $action);
3528 }
3529
3530
3531 $filter = array();
3532 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3533 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3534 $filter["rules"] = $rules;
3535 $filter["actions"] = $actions;
3536
3537 if (count($rules) > 0 && count($actions) > 0) {
3538 array_push($filters, $filter);
3539 }
3540 }
3541
3542 return $filters;
3543 }
3544
3545 function get_score_pic($score) {
3546 if ($score > 100) {
3547 return "score_high.png";
3548 } else if ($score > 0) {
3549 return "score_half_high.png";
3550 } else if ($score < -100) {
3551 return "score_low.png";
3552 } else if ($score < 0) {
3553 return "score_half_low.png";
3554 } else {
3555 return "score_neutral.png";
3556 }
3557 }
3558
3559 function feed_has_icon($id) {
3560 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3561 }
3562
3563 function init_plugins() {
3564 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3565
3566 return true;
3567 }
3568
3569 function format_tags_string($tags, $id) {
3570 if (!is_array($tags) || count($tags) == 0) {
3571 return __("no tags");
3572 } else {
3573 $maxtags = min(5, count($tags));
3574
3575 for ($i = 0; $i < $maxtags; $i++) {
3576 $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."')\">" . $tags[$i] . "</a>, ";
3577 }
3578
3579 $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
3580
3581 if (count($tags) > $maxtags)
3582 $tags_str .= ", &hellip;";
3583
3584 return $tags_str;
3585 }
3586 }
3587
3588 function format_article_labels($labels, $id) {
3589
3590 if (!is_array($labels)) return '';
3591
3592 $labels_str = "";
3593
3594 foreach ($labels as $l) {
3595 $labels_str .= sprintf("<span class='hlLabelRef'
3596 style='color : %s; background-color : %s'>%s</span>",
3597 $l[2], $l[3], $l[1]);
3598 }
3599
3600 return $labels_str;
3601
3602 }
3603
3604 function format_article_note($id, $note, $allow_edit = true) {
3605
3606 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3607 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3608 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3609
3610 return $str;
3611 }
3612
3613
3614 function get_feed_category($feed_cat, $parent_cat_id = false) {
3615 if ($parent_cat_id) {
3616 $parent_qpart = "parent_cat = '$parent_cat_id'";
3617 $parent_insert = "'$parent_cat_id'";
3618 } else {
3619 $parent_qpart = "parent_cat IS NULL";
3620 $parent_insert = "NULL";
3621 }
3622
3623 $result = db_query(
3624 "SELECT id FROM ttrss_feed_categories
3625 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3626
3627 if (db_num_rows($result) == 0) {
3628 return false;
3629 } else {
3630 return db_fetch_result($result, 0, "id");
3631 }
3632 }
3633
3634 function add_feed_category($feed_cat, $parent_cat_id = false) {
3635
3636 if (!$feed_cat) return false;
3637
3638 db_query("BEGIN");
3639
3640 if ($parent_cat_id) {
3641 $parent_qpart = "parent_cat = '$parent_cat_id'";
3642 $parent_insert = "'$parent_cat_id'";
3643 } else {
3644 $parent_qpart = "parent_cat IS NULL";
3645 $parent_insert = "NULL";
3646 }
3647
3648 $feed_cat = mb_substr($feed_cat, 0, 250);
3649
3650 $result = db_query(
3651 "SELECT id FROM ttrss_feed_categories
3652 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3653
3654 if (db_num_rows($result) == 0) {
3655
3656 $result = db_query(
3657 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3658 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3659
3660 db_query("COMMIT");
3661
3662 return true;
3663 }
3664
3665 return false;
3666 }
3667
3668 function getArticleFeed($id) {
3669 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3670 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3671
3672 if (db_num_rows($result) != 0) {
3673 return db_fetch_result($result, 0, "feed_id");
3674 } else {
3675 return 0;
3676 }
3677 }
3678
3679 /**
3680 * Fixes incomplete URLs by prepending "http://".
3681 * Also replaces feed:// with http://, and
3682 * prepends a trailing slash if the url is a domain name only.
3683 *
3684 * @param string $url Possibly incomplete URL
3685 *
3686 * @return string Fixed URL.
3687 */
3688 function fix_url($url) {
3689 if (strpos($url, '://') === false) {
3690 $url = 'http://' . $url;
3691 } else if (substr($url, 0, 5) == 'feed:') {
3692 $url = 'http:' . substr($url, 5);
3693 }
3694
3695 //prepend slash if the URL has no slash in it
3696 // "http://www.example" -> "http://www.example/"
3697 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3698 $url .= '/';
3699 }
3700
3701 if ($url != "http:///")
3702 return $url;
3703 else
3704 return '';
3705 }
3706
3707 function validate_feed_url($url) {
3708 $parts = parse_url($url);
3709
3710 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3711
3712 }
3713
3714 function get_article_enclosures($id) {
3715
3716 $query = "SELECT * FROM ttrss_enclosures
3717 WHERE post_id = '$id' AND content_url != ''";
3718
3719 $rv = array();
3720
3721 $result = db_query($query);
3722
3723 if (db_num_rows($result) > 0) {
3724 while ($line = db_fetch_assoc($result)) {
3725 array_push($rv, $line);
3726 }
3727 }
3728
3729 return $rv;
3730 }
3731
3732 function save_email_address($email) {
3733 // FIXME: implement persistent storage of emails
3734
3735 if (!$_SESSION['stored_emails'])
3736 $_SESSION['stored_emails'] = array();
3737
3738 if (!in_array($email, $_SESSION['stored_emails']))
3739 array_push($_SESSION['stored_emails'], $email);
3740 }
3741
3742
3743 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3744
3745 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3746
3747 $sql_is_cat = bool_to_sql_bool($is_cat);
3748
3749 $result = db_query("SELECT access_key FROM ttrss_access_keys
3750 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3751 AND owner_uid = " . $owner_uid);
3752
3753 if (db_num_rows($result) == 1) {
3754 return db_fetch_result($result, 0, "access_key");
3755 } else {
3756 $key = db_escape_string(sha1(uniqid(rand(), true)));
3757
3758 $result = db_query("INSERT INTO ttrss_access_keys
3759 (access_key, feed_id, is_cat, owner_uid)
3760 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3761
3762 return $key;
3763 }
3764 return false;
3765 }
3766
3767 function get_feeds_from_html($url, $content)
3768 {
3769 $url = fix_url($url);
3770 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3771
3772 libxml_use_internal_errors(true);
3773
3774 $doc = new DOMDocument();
3775 $doc->loadHTML($content);
3776 $xpath = new DOMXPath($doc);
3777 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3778 $feedUrls = array();
3779 foreach ($entries as $entry) {
3780 if ($entry->hasAttribute('href')) {
3781 $title = $entry->getAttribute('title');
3782 if ($title == '') {
3783 $title = $entry->getAttribute('type');
3784 }
3785 $feedUrl = rewrite_relative_url(
3786 $baseUrl, $entry->getAttribute('href')
3787 );
3788 $feedUrls[$feedUrl] = $title;
3789 }
3790 }
3791 return $feedUrls;
3792 }
3793
3794 function is_html($content) {
3795 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3796 }
3797
3798 function url_is_html($url, $login = false, $pass = false) {
3799 return is_html(fetch_file_contents($url, false, $login, $pass));
3800 }
3801
3802 function print_label_select($name, $value, $attributes = "") {
3803
3804 $result = db_query("SELECT caption FROM ttrss_labels2
3805 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3806
3807 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3808 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3809
3810 while ($line = db_fetch_assoc($result)) {
3811
3812 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3813
3814 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3815 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3816
3817 }
3818
3819 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3820
3821 print "</select>";
3822
3823
3824 }
3825
3826 function format_article_enclosures($id, $always_display_enclosures,
3827 $article_content, $hide_images = false) {
3828
3829 $result = get_article_enclosures($id);
3830 $rv = '';
3831
3832 if (count($result) > 0) {
3833
3834 $entries_html = array();
3835 $entries = array();
3836 $entries_inline = array();
3837
3838 foreach ($result as $line) {
3839
3840 $url = $line["content_url"];
3841 $ctype = $line["content_type"];
3842 $title = $line["title"];
3843
3844 if (!$ctype) $ctype = __("unknown type");
3845
3846 $filename = substr($url, strrpos($url, "/")+1);
3847
3848 $player = format_inline_player($url, $ctype);
3849
3850 if ($player) array_push($entries_inline, $player);
3851
3852 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3853 # $filename . " (" . $ctype . ")" . "</a>";
3854
3855 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3856 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3857
3858 array_push($entries_html, $entry);
3859
3860 $entry = array();
3861
3862 $entry["type"] = $ctype;
3863 $entry["filename"] = $filename;
3864 $entry["url"] = $url;
3865 $entry["title"] = $title;
3866
3867 array_push($entries, $entry);
3868 }
3869
3870 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3871 if ($always_display_enclosures ||
3872 !preg_match("/<img/i", $article_content)) {
3873
3874 foreach ($entries as $entry) {
3875
3876 if (preg_match("/image/", $entry["type"]) ||
3877 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3878
3879 if (!$hide_images) {
3880 $rv .= "<p><img
3881 alt=\"".htmlspecialchars($entry["filename"])."\"
3882 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3883 } else {
3884 $rv .= "<p><a target=\"_blank\"
3885 href=\"".htmlspecialchars($entry["url"])."\"
3886 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3887 }
3888
3889 if ($entry['title']) {
3890 $rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
3891 }
3892 }
3893 }
3894 }
3895 }
3896
3897 if (count($entries_inline) > 0) {
3898 $rv .= "<hr clear='both'/>";
3899 foreach ($entries_inline as $entry) { $rv .= $entry; };
3900 $rv .= "<hr clear='both'/>";
3901 }
3902
3903 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3904 "<option value=''>" . __('Attachments')."</option>";
3905
3906 foreach ($entries as $entry) {
3907 if ($entry["title"])
3908 $title = "&mdash; " . truncate_string($entry["title"], 30);
3909 else
3910 $title = "";
3911
3912 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "$title</option>";
3913
3914 };
3915
3916 $rv .= "</select>";
3917 }
3918
3919 return $rv;
3920 }
3921
3922 function getLastArticleId() {
3923 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3924 WHERE owner_uid = " . $_SESSION["uid"]);
3925
3926 if (db_num_rows($result) == 1) {
3927 return db_fetch_result($result, 0, "id");
3928 } else {
3929 return -1;
3930 }
3931 }
3932
3933 function build_url($parts) {
3934 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3935 }
3936
3937 /**
3938 * Converts a (possibly) relative URL to a absolute one.
3939 *
3940 * @param string $url Base URL (i.e. from where the document is)
3941 * @param string $rel_url Possibly relative URL in the document
3942 *
3943 * @return string Absolute URL
3944 */
3945 function rewrite_relative_url($url, $rel_url) {
3946 if (strpos($rel_url, ":") !== false) {
3947 return $rel_url;
3948 } else if (strpos($rel_url, "://") !== false) {
3949 return $rel_url;
3950 } else if (strpos($rel_url, "//") === 0) {
3951 # protocol-relative URL (rare but they exist)
3952 return $rel_url;
3953 } else if (strpos($rel_url, "/") === 0)
3954 {
3955 $parts = parse_url($url);
3956 $parts['path'] = $rel_url;
3957
3958 return build_url($parts);
3959
3960 } else {
3961 $parts = parse_url($url);
3962 if (!isset($parts['path'])) {
3963 $parts['path'] = '/';
3964 }
3965 $dir = $parts['path'];
3966 if (substr($dir, -1) !== '/') {
3967 $dir = dirname($parts['path']);
3968 $dir !== '/' && $dir .= '/';
3969 }
3970 $parts['path'] = $dir . $rel_url;
3971
3972 return build_url($parts);
3973 }
3974 }
3975
3976 function sphinx_search($query, $offset = 0, $limit = 30) {
3977 require_once 'lib/sphinxapi.php';
3978
3979 $sphinxClient = new SphinxClient();
3980
3981 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3982
3983 $sphinxClient->SetServer($sphinxpair[0], (int)$sphinxpair[1]);
3984 $sphinxClient->SetConnectTimeout(1);
3985
3986 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3987 'feed_title' => 20));
3988
3989 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3990 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3991 $sphinxClient->SetLimits($offset, $limit, 1000);
3992 $sphinxClient->SetArrayResult(false);
3993 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3994
3995 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3996
3997 $ids = array();
3998
3999 if (is_array($result['matches'])) {
4000 foreach (array_keys($result['matches']) as $int_id) {
4001 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
4002 array_push($ids, $ref_id);
4003 }
4004 }
4005
4006 return $ids;
4007 }
4008
4009 function cleanup_tags($days = 14, $limit = 1000) {
4010
4011 if (DB_TYPE == "pgsql") {
4012 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
4013 } else if (DB_TYPE == "mysql") {
4014 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
4015 }
4016
4017 $tags_deleted = 0;
4018
4019 while ($limit > 0) {
4020 $limit_part = 500;
4021
4022 $query = "SELECT ttrss_tags.id AS id
4023 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
4024 WHERE post_int_id = int_id AND $interval_query AND
4025 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
4026
4027 $result = db_query($query);
4028
4029 $ids = array();
4030
4031 while ($line = db_fetch_assoc($result)) {
4032 array_push($ids, $line['id']);
4033 }
4034
4035 if (count($ids) > 0) {
4036 $ids = join(",", $ids);
4037
4038 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
4039 $tags_deleted += db_affected_rows($tmp_result);
4040 } else {
4041 break;
4042 }
4043
4044 $limit -= $limit_part;
4045 }
4046
4047 return $tags_deleted;
4048 }
4049
4050 function print_user_stylesheet() {
4051 $value = get_pref('USER_STYLESHEET');
4052
4053 if ($value) {
4054 print "<style type=\"text/css\">";
4055 print str_replace("<br/>", "\n", $value);
4056 print "</style>";
4057 }
4058
4059 }
4060
4061 function filter_to_sql($filter, $owner_uid) {
4062 $query = array();
4063
4064 if (DB_TYPE == "pgsql")
4065 $reg_qpart = "~";
4066 else
4067 $reg_qpart = "REGEXP";
4068
4069 foreach ($filter["rules"] AS $rule) {
4070 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
4071 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
4072 $rule['reg_exp']) !== FALSE;
4073
4074 if ($regexp_valid) {
4075
4076 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
4077
4078 switch ($rule["type"]) {
4079 case "title":
4080 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4081 $rule['reg_exp'] . "')";
4082 break;
4083 case "content":
4084 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
4085 $rule['reg_exp'] . "')";
4086 break;
4087 case "both":
4088 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
4089 $rule['reg_exp'] . "') OR LOWER(" .
4090 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
4091 break;
4092 case "tag":
4093 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
4094 $rule['reg_exp'] . "')";
4095 break;
4096 case "link":
4097 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
4098 $rule['reg_exp'] . "')";
4099 break;
4100 case "author":
4101 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
4102 $rule['reg_exp'] . "')";
4103 break;
4104 }
4105
4106 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
4107
4108 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
4109 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
4110 }
4111
4112 if (isset($rule["cat_id"])) {
4113
4114 if ($rule["cat_id"] > 0) {
4115 $children = getChildCategories($rule["cat_id"], $owner_uid);
4116 array_push($children, $rule["cat_id"]);
4117
4118 $children = join(",", $children);
4119
4120 $cat_qpart = "cat_id IN ($children)";
4121 } else {
4122 $cat_qpart = "cat_id IS NULL";
4123 }
4124
4125 $qpart .= " AND $cat_qpart";
4126 }
4127
4128 $qpart .= " AND feed_id IS NOT NULL";
4129
4130 array_push($query, "($qpart)");
4131
4132 }
4133 }
4134
4135 if (count($query) > 0) {
4136 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4137 } else {
4138 $fullquery = "(false)";
4139 }
4140
4141 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4142
4143 return $fullquery;
4144 }
4145
4146 if (!function_exists('gzdecode')) {
4147 function gzdecode($string) { // no support for 2nd argument
4148 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4149 base64_encode($string));
4150 }
4151 }
4152
4153 function get_random_bytes($length) {
4154 if (function_exists('openssl_random_pseudo_bytes')) {
4155 return openssl_random_pseudo_bytes($length);
4156 } else {
4157 $output = "";
4158
4159 for ($i = 0; $i < $length; $i++)
4160 $output .= chr(mt_rand(0, 255));
4161
4162 return $output;
4163 }
4164 }
4165
4166 function read_stdin() {
4167 $fp = fopen("php://stdin", "r");
4168
4169 if ($fp) {
4170 $line = trim(fgets($fp));
4171 fclose($fp);
4172 return $line;
4173 }
4174
4175 return null;
4176 }
4177
4178 function tmpdirname($path, $prefix) {
4179 // Use PHP's tmpfile function to create a temporary
4180 // directory name. Delete the file and keep the name.
4181 $tempname = tempnam($path,$prefix);
4182 if (!$tempname)
4183 return false;
4184
4185 if (!unlink($tempname))
4186 return false;
4187
4188 return $tempname;
4189 }
4190
4191 function getFeedCategory($feed) {
4192 $result = db_query("SELECT cat_id FROM ttrss_feeds
4193 WHERE id = '$feed'");
4194
4195 if (db_num_rows($result) > 0) {
4196 return db_fetch_result($result, 0, "cat_id");
4197 } else {
4198 return false;
4199 }
4200
4201 }
4202
4203 function implements_interface($class, $interface) {
4204 return in_array($interface, class_implements($class));
4205 }
4206
4207 function geturl($url, $depth = 0){
4208
4209 if ($depth == 20) return $url;
4210
4211 if (!function_exists('curl_init'))
4212 return user_error('CURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini', E_USER_ERROR);
4213
4214 $curl = curl_init();
4215 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4216 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4217 $header[] = "Cache-Control: max-age=0";
4218 $header[] = "Connection: keep-alive";
4219 $header[] = "Keep-Alive: 300";
4220 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4221 $header[] = "Accept-Language: en-us,en;q=0.5";
4222 $header[] = "Pragma: ";
4223
4224 curl_setopt($curl, CURLOPT_URL, $url);
4225 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4226 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4227 curl_setopt($curl, CURLOPT_HEADER, true);
4228 curl_setopt($curl, CURLOPT_REFERER, $url);
4229 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4230 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4231 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4232 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4233 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4234 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
4235
4236 if (defined('_CURL_HTTP_PROXY')) {
4237 curl_setopt($curl, CURLOPT_PROXY, _CURL_HTTP_PROXY);
4238 }
4239
4240 if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
4241 curl_setopt($curl, CURLOPT_SSLVERSION, 3);
4242 }
4243
4244 $html = curl_exec($curl);
4245
4246 $status = curl_getinfo($curl);
4247
4248 if($status['http_code']!=200){
4249 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4250 curl_close($curl);
4251 list($header) = explode("\r\n\r\n", $html, 2);
4252 $matches = array();
4253 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4254 $url = trim(str_replace($matches[1],"",$matches[0]));
4255 $url_parsed = parse_url($url);
4256 return (isset($url_parsed))? geturl($url, $depth + 1):'';
4257 }
4258
4259 global $fetch_last_error;
4260
4261 $fetch_last_error = curl_errno($curl) . " " . curl_error($curl);
4262 curl_close($curl);
4263
4264 $oline='';
4265 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4266 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4267 # $handle = @fopen('./curl.error.log', 'a');
4268 # fwrite($handle, $line);
4269 return FALSE;
4270 }
4271 curl_close($curl);
4272 return $url;
4273 }
4274
4275 function get_minified_js($files) {
4276 require_once 'lib/jshrink/Minifier.php';
4277
4278 $rv = '';
4279
4280 foreach ($files as $js) {
4281 if (!isset($_GET['debug'])) {
4282 $cached_file = CACHE_DIR . "/js/".basename($js).".js";
4283
4284 if (file_exists($cached_file) &&
4285 is_readable($cached_file) &&
4286 filemtime($cached_file) >= filemtime("js/$js.js")) {
4287
4288 $rv .= file_get_contents($cached_file);
4289
4290 } else {
4291 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4292 file_put_contents($cached_file, $minified);
4293 $rv .= $minified;
4294 }
4295 } else {
4296 $rv .= file_get_contents("js/$js.js");
4297 }
4298 }
4299
4300 return $rv;
4301 }
4302
4303 function stylesheet_tag($filename) {
4304 $timestamp = filemtime($filename);
4305
4306 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4307 }
4308
4309 function javascript_tag($filename) {
4310 $query = "";
4311
4312 if (!(strpos($filename, "?") === FALSE)) {
4313 $query = substr($filename, strpos($filename, "?")+1);
4314 $filename = substr($filename, 0, strpos($filename, "?"));
4315 }
4316
4317 $timestamp = filemtime($filename);
4318
4319 if ($query) $timestamp .= "&$query";
4320
4321 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4322 }
4323
4324 function calculate_dep_timestamp() {
4325 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
4326
4327 $max_ts = -1;
4328
4329 foreach ($files as $file) {
4330 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4331 }
4332
4333 return $max_ts;
4334 }
4335
4336 function T_js_decl($s1, $s2) {
4337 if ($s1 && $s2) {
4338 $s1 = preg_replace("/\n/", "", $s1);
4339 $s2 = preg_replace("/\n/", "", $s2);
4340
4341 $s1 = preg_replace("/\"/", "\\\"", $s1);
4342 $s2 = preg_replace("/\"/", "\\\"", $s2);
4343
4344 return "T_messages[\"$s1\"] = \"$s2\";\n";
4345 }
4346 }
4347
4348 function init_js_translations() {
4349
4350 print 'var T_messages = new Object();
4351
4352 function __(msg) {
4353 if (T_messages[msg]) {
4354 return T_messages[msg];
4355 } else {
4356 return msg;
4357 }
4358 }
4359
4360 function ngettext(msg1, msg2, n) {
4361 return __((parseInt(n) > 1) ? msg2 : msg1);
4362 }';
4363
4364 $l10n = _get_reader();
4365
4366 for ($i = 0; $i < $l10n->total; $i++) {
4367 $orig = $l10n->get_original_string($i);
4368 if(strpos($orig, "\000") !== FALSE) { // Plural forms
4369 $key = explode(chr(0), $orig);
4370 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
4371 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
4372 } else {
4373 $translation = __($orig);
4374 print T_js_decl($orig, $translation);
4375 }
4376 }
4377 }
4378
4379 function label_to_feed_id($label) {
4380 return LABEL_BASE_INDEX - 1 - abs($label);
4381 }
4382
4383 function feed_to_label_id($feed) {
4384 return LABEL_BASE_INDEX - 1 + abs($feed);
4385 }
4386
4387 function format_libxml_error($error) {
4388 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4389 $error->code, $error->line, $error->column,
4390 $error->message);
4391 }
4392
4393 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/