· 8 years ago · Aug 14, 2018, 12:40 PM
1ILS DISENT QUE C'est a la ligne 1938
2<?php
3/**
4 * MyBB 1.8
5 * Copyright 2014 MyBB Group, All Rights Reserved
6 *
7 * Website: http://www.mybb.com
8 * License: http://www.mybb.com/about/license
9 *
10 */
11
12/**
13 * Outputs a page directly to the browser, parsing anything which needs to be parsed.
14 *
15 * @param string $contents The contents of the page.
16 */
17function output_page($contents)
18{
19 global $db, $lang, $theme, $templates, $plugins, $mybb;
20 global $debug, $templatecache, $templatelist, $maintimer, $globaltime, $parsetime;
21
22 $contents = parse_page($contents);
23 $totaltime = format_time_duration($maintimer->stop());
24 $contents = $plugins->run_hooks("pre_output_page", $contents);
25
26 if($mybb->usergroup['cancp'] == 1 || $mybb->dev_mode == 1)
27 {
28 if($mybb->settings['extraadmininfo'] != 0)
29 {
30 $phptime = $maintimer->totaltime - $db->query_time;
31 $query_time = $db->query_time;
32
33 if($maintimer->totaltime > 0)
34 {
35 $percentphp = number_format((($phptime/$maintimer->totaltime) * 100), 2);
36 $percentsql = number_format((($query_time/$maintimer->totaltime) * 100), 2);
37 }
38 else
39 {
40 // if we've got a super fast script... all we can do is assume something
41 $percentphp = 0;
42 $percentsql = 0;
43 }
44
45 $serverload = get_server_load();
46
47 if(my_strpos(getenv("REQUEST_URI"), "?"))
48 {
49 $debuglink = htmlspecialchars_uni(getenv("REQUEST_URI")) . "&debug=1";
50 }
51 else
52 {
53 $debuglink = htmlspecialchars_uni(getenv("REQUEST_URI")) . "?debug=1";
54 }
55
56 $memory_usage = get_memory_usage();
57
58 if($memory_usage)
59 {
60 $memory_usage = $lang->sprintf($lang->debug_memory_usage, get_friendly_size($memory_usage));
61 }
62 else
63 {
64 $memory_usage = '';
65 }
66 // MySQLi is still MySQL, so present it that way to the user
67 $database_server = $db->short_title;
68
69 if($database_server == 'MySQLi')
70 {
71 $database_server = 'MySQL';
72 }
73 $generated_in = $lang->sprintf($lang->debug_generated_in, $totaltime);
74 $debug_weight = $lang->sprintf($lang->debug_weight, $percentphp, $percentsql, $database_server);
75 $sql_queries = $lang->sprintf($lang->debug_sql_queries, $db->query_count);
76 $server_load = $lang->sprintf($lang->debug_server_load, $serverload);
77
78 eval("\$debugstuff = \"".$templates->get("debug_summary")."\";");
79 $contents = str_replace("<debugstuff>", $debugstuff, $contents);
80 }
81
82 if($mybb->debug_mode == true)
83 {
84 debug_page();
85 }
86 }
87
88 $contents = str_replace("<debugstuff>", "", $contents);
89
90 if($mybb->settings['gzipoutput'] == 1)
91 {
92 $contents = gzip_encode($contents, $mybb->settings['gziplevel']);
93 }
94
95 @header("Content-type: text/html; charset={$lang->settings['charset']}");
96
97 echo $contents;
98
99 $plugins->run_hooks("post_output_page");
100}
101
102/**
103 * Adds a function or class to the list of code to run on shutdown.
104 *
105 * @param string|array $name The name of the function.
106 * @param mixed $arguments Either an array of arguments for the function or one argument
107 * @return boolean True if function exists, otherwise false.
108 */
109function add_shutdown($name, $arguments=array())
110{
111 global $shutdown_functions;
112
113 if(!is_array($shutdown_functions))
114 {
115 $shutdown_functions = array();
116 }
117
118 if(!is_array($arguments))
119 {
120 $arguments = array($arguments);
121 }
122
123 if(is_array($name) && method_exists($name[0], $name[1]))
124 {
125 $shutdown_functions[] = array('function' => $name, 'arguments' => $arguments);
126 return true;
127 }
128 else if(!is_array($name) && function_exists($name))
129 {
130 $shutdown_functions[] = array('function' => $name, 'arguments' => $arguments);
131 return true;
132 }
133
134 return false;
135}
136
137/**
138 * Runs the shutdown items after the page has been sent to the browser.
139 *
140 */
141function run_shutdown()
142{
143 global $config, $db, $cache, $plugins, $error_handler, $shutdown_functions, $shutdown_queries, $done_shutdown, $mybb;
144
145 if($done_shutdown == true || !$config || (isset($error_handler) && $error_handler->has_errors))
146 {
147 return;
148 }
149
150 if(empty($shutdown_queries) && empty($shutdown_functions))
151 {
152 // Nothing to do
153 return;
154 }
155
156 // Missing the core? Build
157 if(!is_object($mybb))
158 {
159 require_once MYBB_ROOT."inc/class_core.php";
160 $mybb = new MyBB;
161
162 // Load the settings
163 require MYBB_ROOT."inc/settings.php";
164 $mybb->settings = &$settings;
165 }
166
167 // If our DB has been deconstructed already (bad PHP 5.2.0), reconstruct
168 if(!is_object($db))
169 {
170 if(!isset($config) || empty($config['database']['type']))
171 {
172 require MYBB_ROOT."inc/config.php";
173 }
174
175 if(isset($config))
176 {
177 // Load DB interface
178 require_once MYBB_ROOT."inc/db_base.php";
179
180 require_once MYBB_ROOT."inc/db_".$config['database']['type'].".php";
181 switch($config['database']['type'])
182 {
183 case "sqlite":
184 $db = new DB_SQLite;
185 break;
186 case "pgsql":
187 $db = new DB_PgSQL;
188 break;
189 case "mysqli":
190 $db = new DB_MySQLi;
191 break;
192 default:
193 $db = new DB_MySQL;
194 }
195
196 $db->connect($config['database']);
197 if(!defined("TABLE_PREFIX"))
198 {
199 define("TABLE_PREFIX", $config['database']['table_prefix']);
200 }
201 $db->set_table_prefix(TABLE_PREFIX);
202 }
203 }
204
205 // Cache object deconstructed? reconstruct
206 if(!is_object($cache))
207 {
208 require_once MYBB_ROOT."inc/class_datacache.php";
209 $cache = new datacache;
210 $cache->cache();
211 }
212
213 // And finally.. plugins
214 if(!is_object($plugins) && !defined("NO_PLUGINS") && !($mybb->settings['no_plugins'] == 1))
215 {
216 require_once MYBB_ROOT."inc/class_plugins.php";
217 $plugins = new pluginSystem;
218 $plugins->load();
219 }
220
221 // We have some shutdown queries needing to be run
222 if(is_array($shutdown_queries))
223 {
224 // Loop through and run them all
225 foreach($shutdown_queries as $query)
226 {
227 $db->query($query);
228 }
229 }
230
231 // Run any shutdown functions if we have them
232 if(is_array($shutdown_functions))
233 {
234 foreach($shutdown_functions as $function)
235 {
236 call_user_func_array($function['function'], $function['arguments']);
237 }
238 }
239
240 $done_shutdown = true;
241}
242
243/**
244 * Sends a specified amount of messages from the mail queue
245 *
246 * @param int $count The number of messages to send (Defaults to 10)
247 */
248function send_mail_queue($count=10)
249{
250 global $db, $cache, $plugins;
251
252 $plugins->run_hooks("send_mail_queue_start");
253
254 // Check to see if the mail queue has messages needing to be sent
255 $mailcache = $cache->read("mailqueue");
256 if($mailcache['queue_size'] > 0 && ($mailcache['locked'] == 0 || $mailcache['locked'] < TIME_NOW-300))
257 {
258 // Lock the queue so no other messages can be sent whilst these are (for popular boards)
259 $cache->update_mailqueue(0, TIME_NOW);
260
261 // Fetch emails for this page view - and send them
262 $query = $db->simple_select("mailqueue", "*", "", array("order_by" => "mid", "order_dir" => "asc", "limit_start" => 0, "limit" => $count));
263
264 while($email = $db->fetch_array($query))
265 {
266 // Delete the message from the queue
267 $db->delete_query("mailqueue", "mid='{$email['mid']}'");
268
269 if($db->affected_rows() == 1)
270 {
271 my_mail($email['mailto'], $email['subject'], $email['message'], $email['mailfrom'], "", $email['headers'], true);
272 }
273 }
274 // Update the mailqueue cache and remove the lock
275 $cache->update_mailqueue(TIME_NOW, 0);
276 }
277
278 $plugins->run_hooks("send_mail_queue_end");
279}
280
281/**
282 * Parses the contents of a page before outputting it.
283 *
284 * @param string $contents The contents of the page.
285 * @return string The parsed page.
286 */
287function parse_page($contents)
288{
289 global $lang, $theme, $mybb, $htmldoctype, $archive_url, $error_handler;
290
291 $contents = str_replace('<navigation>', build_breadcrumb(), $contents);
292 $contents = str_replace('<archive_url>', $archive_url, $contents);
293
294 if($htmldoctype)
295 {
296 $contents = $htmldoctype.$contents;
297 }
298 else
299 {
300 $contents = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n".$contents;
301 }
302
303 $contents = str_replace("<html", "<html xmlns=\"http://www.w3.org/1999/xhtml\"", $contents);
304
305 if($lang->settings['rtl'] == 1)
306 {
307 $contents = str_replace("<html", "<html dir=\"rtl\"", $contents);
308 }
309
310 if($lang->settings['htmllang'])
311 {
312 $contents = str_replace("<html", "<html xml:lang=\"".$lang->settings['htmllang']."\" lang=\"".$lang->settings['htmllang']."\"", $contents);
313 }
314
315 if($error_handler->warnings)
316 {
317 $contents = str_replace("<body>", "<body>\n".$error_handler->show_warnings(), $contents);
318 }
319
320 return $contents;
321}
322
323/**
324 * Turn a unix timestamp in to a "friendly" date/time format for the user.
325 *
326 * @param string $format A date format (either relative, normal or PHP's date() structure).
327 * @param int $stamp The unix timestamp the date should be generated for.
328 * @param int|string $offset The offset in hours that should be applied to times. (timezones) Or an empty string to determine that automatically
329 * @param int $ty Whether or not to use today/yesterday formatting.
330 * @param boolean $adodb Whether or not to use the adodb time class for < 1970 or > 2038 times
331 * @return string The formatted timestamp.
332 */
333function my_date($format, $stamp=0, $offset="", $ty=1, $adodb=false)
334{
335 global $mybb, $lang, $mybbadmin, $plugins;
336
337 // If the stamp isn't set, use TIME_NOW
338 if(empty($stamp))
339 {
340 $stamp = TIME_NOW;
341 }
342
343 if(!$offset && $offset != '0')
344 {
345 if(isset($mybb->user['uid']) && $mybb->user['uid'] != 0 && array_key_exists("timezone", $mybb->user))
346 {
347 $offset = (float)$mybb->user['timezone'];
348 $dstcorrection = $mybb->user['dst'];
349 }
350 elseif(defined("IN_ADMINCP"))
351 {
352 $offset = (float)$mybbadmin['timezone'];
353 $dstcorrection = $mybbadmin['dst'];
354 }
355 else
356 {
357 $offset = (float)$mybb->settings['timezoneoffset'];
358 $dstcorrection = $mybb->settings['dstcorrection'];
359 }
360
361 // If DST correction is enabled, add an additional hour to the timezone.
362 if($dstcorrection == 1)
363 {
364 ++$offset;
365 if(my_substr($offset, 0, 1) != "-")
366 {
367 $offset = "+".$offset;
368 }
369 }
370 }
371
372 if($offset == "-")
373 {
374 $offset = 0;
375 }
376
377 // Using ADOdb?
378 if($adodb == true && !function_exists('adodb_date'))
379 {
380 $adodb = false;
381 }
382
383 $todaysdate = $yesterdaysdate = '';
384 if($ty && ($format == $mybb->settings['dateformat'] || $format == 'relative' || $format == 'normal'))
385 {
386 $_stamp = TIME_NOW;
387 if($adodb == true)
388 {
389 $date = adodb_date($mybb->settings['dateformat'], $stamp + ($offset * 3600));
390 $todaysdate = adodb_date($mybb->settings['dateformat'], $_stamp + ($offset * 3600));
391 $yesterdaysdate = adodb_date($mybb->settings['dateformat'], ($_stamp - 86400) + ($offset * 3600));
392 }
393 else
394 {
395 $date = gmdate($mybb->settings['dateformat'], $stamp + ($offset * 3600));
396 $todaysdate = gmdate($mybb->settings['dateformat'], $_stamp + ($offset * 3600));
397 $yesterdaysdate = gmdate($mybb->settings['dateformat'], ($_stamp - 86400) + ($offset * 3600));
398 }
399 }
400
401 if($format == 'relative')
402 {
403 // Relative formats both date and time
404 $real_date = $real_time = '';
405 if($adodb == true)
406 {
407 $real_date = adodb_date($mybb->settings['dateformat'], $stamp + ($offset * 3600));
408 $real_time = $mybb->settings['datetimesep'];
409 $real_time .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600));
410 }
411 else
412 {
413 $real_date = gmdate($mybb->settings['dateformat'], $stamp + ($offset * 3600));
414 $real_time = $mybb->settings['datetimesep'];
415 $real_time .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600));
416 }
417
418 if($ty != 2 && abs(TIME_NOW - $stamp) < 3600)
419 {
420 $diff = TIME_NOW - $stamp;
421 $relative = array('prefix' => '', 'minute' => 0, 'plural' => $lang->rel_minutes_plural, 'suffix' => $lang->rel_ago);
422
423 if($diff < 0)
424 {
425 $diff = abs($diff);
426 $relative['suffix'] = '';
427 $relative['prefix'] = $lang->rel_in;
428 }
429
430 $relative['minute'] = floor($diff / 60);
431
432 if($relative['minute'] <= 1)
433 {
434 $relative['minute'] = 1;
435 $relative['plural'] = $lang->rel_minutes_single;
436 }
437
438 if($diff <= 60)
439 {
440 // Less than a minute
441 $relative['prefix'] = $lang->rel_less_than;
442 }
443
444 $date = $lang->sprintf($lang->rel_time, $relative['prefix'], $relative['minute'], $relative['plural'], $relative['suffix'], $real_date, $real_time);
445 }
446 elseif($ty != 2 && abs(TIME_NOW - $stamp) < 43200)
447 {
448 $diff = TIME_NOW - $stamp;
449 $relative = array('prefix' => '', 'hour' => 0, 'plural' => $lang->rel_hours_plural, 'suffix' => $lang->rel_ago);
450
451 if($diff < 0)
452 {
453 $diff = abs($diff);
454 $relative['suffix'] = '';
455 $relative['prefix'] = $lang->rel_in;
456 }
457
458 $relative['hour'] = floor($diff / 3600);
459
460 if($relative['hour'] <= 1)
461 {
462 $relative['hour'] = 1;
463 $relative['plural'] = $lang->rel_hours_single;
464 }
465
466 $date = $lang->sprintf($lang->rel_time, $relative['prefix'], $relative['hour'], $relative['plural'], $relative['suffix'], $real_date, $real_time);
467 }
468 else
469 {
470 if($ty)
471 {
472 if($todaysdate == $date)
473 {
474 $date = $lang->sprintf($lang->today_rel, $real_date);
475 }
476 else if($yesterdaysdate == $date)
477 {
478 $date = $lang->sprintf($lang->yesterday_rel, $real_date);
479 }
480 }
481
482 $date .= $mybb->settings['datetimesep'];
483 if($adodb == true)
484 {
485 $date .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600));
486 }
487 else
488 {
489 $date .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600));
490 }
491 }
492 }
493 elseif($format == 'normal')
494 {
495 // Normal format both date and time
496 if($ty != 2)
497 {
498 if($todaysdate == $date)
499 {
500 $date = $lang->today;
501 }
502 else if($yesterdaysdate == $date)
503 {
504 $date = $lang->yesterday;
505 }
506 }
507
508 $date .= $mybb->settings['datetimesep'];
509 if($adodb == true)
510 {
511 $date .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600));
512 }
513 else
514 {
515 $date .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600));
516 }
517 }
518 else
519 {
520 if($ty && $format == $mybb->settings['dateformat'])
521 {
522 if($todaysdate == $date)
523 {
524 $date = $lang->today;
525 }
526 else if($yesterdaysdate == $date)
527 {
528 $date = $lang->yesterday;
529 }
530 }
531 else
532 {
533 if($adodb == true)
534 {
535 $date = adodb_date($format, $stamp + ($offset * 3600));
536 }
537 else
538 {
539 $date = gmdate($format, $stamp + ($offset * 3600));
540 }
541 }
542 }
543
544 if(is_object($plugins))
545 {
546 $date = $plugins->run_hooks("my_date", $date);
547 }
548
549 return $date;
550}
551
552/**
553 * Sends an email using PHP's mail function, formatting it appropriately.
554 *
555 * @param string $to Address the email should be addressed to.
556 * @param string $subject The subject of the email being sent.
557 * @param string $message The message being sent.
558 * @param string $from The from address of the email, if blank, the board name will be used.
559 * @param string $charset The chracter set being used to send this email.
560 * @param string $headers
561 * @param boolean $keep_alive Do we wish to keep the connection to the mail server alive to send more than one message (SMTP only)
562 * @param string $format The format of the email to be sent (text or html). text is default
563 * @param string $message_text The text message of the email if being sent in html format, for email clients that don't support html
564 * @param string $return_email The email address to return to. Defaults to admin return email address.
565 * @return bool
566 */
567function my_mail($to, $subject, $message, $from="", $charset="", $headers="", $keep_alive=false, $format="text", $message_text="", $return_email="")
568{
569 global $mybb;
570 static $mail;
571
572 // Does our object not exist? Create it
573 if(!is_object($mail))
574 {
575 require_once MYBB_ROOT."inc/class_mailhandler.php";
576
577 if($mybb->settings['mail_handler'] == 'smtp')
578 {
579 require_once MYBB_ROOT."inc/mailhandlers/smtp.php";
580 $mail = new SmtpMail();
581 }
582 else
583 {
584 require_once MYBB_ROOT."inc/mailhandlers/php.php";
585 $mail = new PhpMail();
586 }
587 }
588
589 // Using SMTP based mail
590 if($mybb->settings['mail_handler'] == 'smtp')
591 {
592 if($keep_alive == true)
593 {
594 $mail->keep_alive = true;
595 }
596 }
597
598 // Using PHP based mail()
599 else
600 {
601 if($mybb->settings['mail_parameters'] != '')
602 {
603 $mail->additional_parameters = $mybb->settings['mail_parameters'];
604 }
605 }
606
607 // Build and send
608 $mail->build_message($to, $subject, $message, $from, $charset, $headers, $format, $message_text, $return_email);
609 return $mail->send();
610}
611
612/**
613 * Generates a unique code for POST requests to prevent XSS/CSRF attacks
614 *
615 * @return string The generated code
616 */
617function generate_post_check()
618{
619 global $mybb, $session;
620 if($mybb->user['uid'])
621 {
622 return md5($mybb->user['loginkey'].$mybb->user['salt'].$mybb->user['regdate']);
623 }
624 // Guests get a special string
625 else
626 {
627 return md5($session->useragent.$mybb->config['database']['username'].$mybb->settings['internal']['encryption_key']);
628 }
629}
630
631/**
632 * Verifies a POST check code is valid, if not shows an error (silently returns false on silent parameter)
633 *
634 * @param string $code The incoming POST check code
635 * @param boolean $silent Silent mode or not (silent mode will not show the error to the user but returns false)
636 * @return bool
637 */
638function verify_post_check($code, $silent=false)
639{
640 global $lang;
641 if(generate_post_check() !== $code)
642 {
643 if($silent == true)
644 {
645 return false;
646 }
647 else
648 {
649 if(defined("IN_ADMINCP"))
650 {
651 return false;
652 }
653 else
654 {
655 error($lang->invalid_post_code);
656 }
657 }
658 }
659 else
660 {
661 return true;
662 }
663}
664
665/**
666 * Return a parent list for the specified forum.
667 *
668 * @param int $fid The forum id to get the parent list for.
669 * @return string The comma-separated parent list.
670 */
671function get_parent_list($fid)
672{
673 global $forum_cache;
674 static $forumarraycache;
675
676 if($forumarraycache[$fid])
677 {
678 return $forumarraycache[$fid]['parentlist'];
679 }
680 elseif($forum_cache[$fid])
681 {
682 return $forum_cache[$fid]['parentlist'];
683 }
684 else
685 {
686 cache_forums();
687 return $forum_cache[$fid]['parentlist'];
688 }
689}
690
691/**
692 * Build a parent list of a specific forum, suitable for querying
693 *
694 * @param int $fid The forum ID
695 * @param string $column The column name to add to the query
696 * @param string $joiner The joiner for each forum for querying (OR | AND | etc)
697 * @param string $parentlist The parent list of the forum - if you have it
698 * @return string The query string generated
699 */
700function build_parent_list($fid, $column="fid", $joiner="OR", $parentlist="")
701{
702 if(!$parentlist)
703 {
704 $parentlist = get_parent_list($fid);
705 }
706
707 $parentsexploded = explode(",", $parentlist);
708 $builtlist = "(";
709 $sep = '';
710
711 foreach($parentsexploded as $key => $val)
712 {
713 $builtlist .= "$sep$column='$val'";
714 $sep = " $joiner ";
715 }
716
717 $builtlist .= ")";
718
719 return $builtlist;
720}
721
722/**
723 * Load the forum cache in to memory
724 *
725 * @param boolean $force True to force a reload of the cache
726 * @return array The forum cache
727 */
728function cache_forums($force=false)
729{
730 global $forum_cache, $cache;
731
732 if($force == true)
733 {
734 $forum_cache = $cache->read("forums", 1);
735 return $forum_cache;
736 }
737
738 if(!$forum_cache)
739 {
740 $forum_cache = $cache->read("forums");
741 if(!$forum_cache)
742 {
743 $cache->update_forums();
744 $forum_cache = $cache->read("forums", 1);
745 }
746 }
747 return $forum_cache;
748}
749
750/**
751 * Generate an array of all child and descendant forums for a specific forum.
752 *
753 * @param int $fid The forum ID
754 * @return Array of descendants
755 */
756function get_child_list($fid)
757{
758 static $forums_by_parent;
759
760 $forums = array();
761 if(!is_array($forums_by_parent))
762 {
763 $forum_cache = cache_forums();
764 foreach($forum_cache as $forum)
765 {
766 if($forum['active'] != 0)
767 {
768 $forums_by_parent[$forum['pid']][$forum['fid']] = $forum;
769 }
770 }
771 }
772 if(!is_array($forums_by_parent[$fid]))
773 {
774 return $forums;
775 }
776
777 foreach($forums_by_parent[$fid] as $forum)
778 {
779 $forums[] = $forum['fid'];
780 $children = get_child_list($forum['fid']);
781 if(is_array($children))
782 {
783 $forums = array_merge($forums, $children);
784 }
785 }
786 return $forums;
787}
788
789/**
790 * Produce a friendly error message page
791 *
792 * @param string $error The error message to be shown
793 * @param string $title The title of the message shown in the title of the page and the error table
794 */
795function error($error="", $title="")
796{
797 global $header, $footer, $theme, $headerinclude, $db, $templates, $lang, $mybb, $plugins;
798
799 $error = $plugins->run_hooks("error", $error);
800 if(!$error)
801 {
802 $error = $lang->unknown_error;
803 }
804
805 // AJAX error message?
806 if($mybb->get_input('ajax', MyBB::INPUT_INT))
807 {
808 // Send our headers.
809 @header("Content-type: application/json; charset={$lang->settings['charset']}");
810 echo json_encode(array("errors" => array($error)));
811 exit;
812 }
813
814 if(!$title)
815 {
816 $title = $mybb->settings['bbname'];
817 }
818
819 $timenow = my_date('relative', TIME_NOW);
820 reset_breadcrumb();
821 add_breadcrumb($lang->error);
822
823 eval("\$errorpage = \"".$templates->get("error")."\";");
824 output_page($errorpage);
825
826 exit;
827}
828
829/**
830 * Produce an error message for displaying inline on a page
831 *
832 * @param array $errors Array of errors to be shown
833 * @param string $title The title of the error message
834 * @param array $json_data JSON data to be encoded (we may want to send more data; e.g. newreply.php uses this for CAPTCHA)
835 * @return string The inline error HTML
836 */
837function inline_error($errors, $title="", $json_data=array())
838{
839 global $theme, $mybb, $db, $lang, $templates;
840
841 if(!$title)
842 {
843 $title = $lang->please_correct_errors;
844 }
845
846 if(!is_array($errors))
847 {
848 $errors = array($errors);
849 }
850
851 // AJAX error message?
852 if($mybb->get_input('ajax', MyBB::INPUT_INT))
853 {
854 // Send our headers.
855 @header("Content-type: application/json; charset={$lang->settings['charset']}");
856
857 if(empty($json_data))
858 {
859 echo json_encode(array("errors" => $errors));
860 }
861 else
862 {
863 echo json_encode(array_merge(array("errors" => $errors), $json_data));
864 }
865 exit;
866 }
867
868 $errorlist = '';
869
870 foreach($errors as $error)
871 {
872 $errorlist .= "<li>".$error."</li>\n";
873 }
874
875 eval("\$errors = \"".$templates->get("error_inline")."\";");
876
877 return $errors;
878}
879
880/**
881 * Presents the user with a "no permission" page
882 */
883function error_no_permission()
884{
885 global $mybb, $theme, $templates, $db, $lang, $plugins, $session;
886
887 $time = TIME_NOW;
888 $plugins->run_hooks("no_permission");
889
890 $noperm_array = array (
891 "nopermission" => '1',
892 "location1" => 0,
893 "location2" => 0
894 );
895
896 $db->update_query("sessions", $noperm_array, "sid='{$session->sid}'");
897
898 if($mybb->get_input('ajax', MyBB::INPUT_INT))
899 {
900 // Send our headers.
901 header("Content-type: application/json; charset={$lang->settings['charset']}");
902 echo json_encode(array("errors" => array($lang->error_nopermission_user_ajax)));
903 exit;
904 }
905
906 if($mybb->user['uid'])
907 {
908 $lang->error_nopermission_user_username = $lang->sprintf($lang->error_nopermission_user_username, htmlspecialchars_uni($mybb->user['username']));
909 eval("\$errorpage = \"".$templates->get("error_nopermission_loggedin")."\";");
910 }
911 else
912 {
913 // Redirect to where the user came from
914 $redirect_url = $_SERVER['PHP_SELF'];
915 if($_SERVER['QUERY_STRING'])
916 {
917 $redirect_url .= '?'.$_SERVER['QUERY_STRING'];
918 }
919
920 $redirect_url = htmlspecialchars_uni($redirect_url);
921
922 switch($mybb->settings['username_method'])
923 {
924 case 0:
925 $lang_username = $lang->username;
926 break;
927 case 1:
928 $lang_username = $lang->username1;
929 break;
930 case 2:
931 $lang_username = $lang->username2;
932 break;
933 default:
934 $lang_username = $lang->username;
935 break;
936 }
937 eval("\$errorpage = \"".$templates->get("error_nopermission")."\";");
938 }
939
940 error($errorpage);
941}
942
943/**
944 * Redirect the user to a given URL with a given message
945 *
946 * @param string $url The URL to redirect the user to
947 * @param string $message The redirection message to be shown
948 * @param string $title The title of the redirection page
949 * @param boolean $force_redirect Force the redirect page regardless of settings
950 */
951function redirect($url, $message="", $title="", $force_redirect=false)
952{
953 global $header, $footer, $mybb, $theme, $headerinclude, $templates, $lang, $plugins;
954
955 $redirect_args = array('url' => &$url, 'message' => &$message, 'title' => &$title);
956
957 $plugins->run_hooks("redirect", $redirect_args);
958
959 if($mybb->get_input('ajax', MyBB::INPUT_INT))
960 {
961 // Send our headers.
962 //@header("Content-type: text/html; charset={$lang->settings['charset']}");
963 $data = "<script type=\"text/javascript\">\n";
964 if($message != "")
965 {
966 $data .= 'alert("'.addslashes($message).'");';
967 }
968 $url = str_replace("#", "&#", $url);
969 $url = htmlspecialchars_decode($url);
970 $url = str_replace(array("\n","\r",";"), "", $url);
971 $data .= 'window.location = "'.addslashes($url).'";'."\n";
972 $data .= "</script>\n";
973 //exit;
974
975 @header("Content-type: application/json; charset={$lang->settings['charset']}");
976 echo json_encode(array("data" => $data));
977 exit;
978 }
979
980 if(!$message)
981 {
982 $message = $lang->redirect;
983 }
984
985 $time = TIME_NOW;
986 $timenow = my_date('relative', $time);
987
988 if(!$title)
989 {
990 $title = $mybb->settings['bbname'];
991 }
992
993 // Show redirects only if both ACP and UCP settings are enabled, or ACP is enabled, and user is a guest, or they are forced.
994 if($force_redirect == true || ($mybb->settings['redirects'] == 1 && ($mybb->user['showredirect'] == 1 || !$mybb->user['uid'])))
995 {
996 $url = str_replace("&", "&", $url);
997 $url = htmlspecialchars_uni($url);
998
999 eval("\$redirectpage = \"".$templates->get("redirect")."\";");
1000 output_page($redirectpage);
1001 }
1002 else
1003 {
1004 $url = htmlspecialchars_decode($url);
1005 $url = str_replace(array("\n","\r",";"), "", $url);
1006
1007 run_shutdown();
1008
1009 if(!my_validate_url($url, true, true))
1010 {
1011 header("Location: {$mybb->settings['bburl']}/{$url}");
1012 }
1013 else
1014 {
1015 header("Location: {$url}");
1016 }
1017 }
1018
1019 exit;
1020}
1021
1022/**
1023 * Generate a listing of page - pagination
1024 *
1025 * @param int $count The number of items
1026 * @param int $perpage The number of items to be shown per page
1027 * @param int $page The current page number
1028 * @param string $url The URL to have page numbers tacked on to (If {page} is specified, the value will be replaced with the page #)
1029 * @param boolean $breadcrumb Whether or not the multipage is being shown in the navigation breadcrumb
1030 * @return string The generated pagination
1031 */
1032function multipage($count, $perpage, $page, $url, $breadcrumb=false)
1033{
1034 global $theme, $templates, $lang, $mybb;
1035
1036 if($count <= $perpage)
1037 {
1038 return '';
1039 }
1040
1041 $page = (int)$page;
1042
1043 $url = str_replace("&", "&", $url);
1044 $url = htmlspecialchars_uni($url);
1045
1046 $pages = ceil($count / $perpage);
1047
1048 $prevpage = '';
1049 if($page > 1)
1050 {
1051 $prev = $page-1;
1052 $page_url = fetch_page_url($url, $prev);
1053 eval("\$prevpage = \"".$templates->get("multipage_prevpage")."\";");
1054 }
1055
1056 // Maximum number of "page bits" to show
1057 if(!$mybb->settings['maxmultipagelinks'])
1058 {
1059 $mybb->settings['maxmultipagelinks'] = 5;
1060 }
1061
1062 $from = $page-floor($mybb->settings['maxmultipagelinks']/2);
1063 $to = $page+floor($mybb->settings['maxmultipagelinks']/2);
1064
1065 if($from <= 0)
1066 {
1067 $from = 1;
1068 $to = $from+$mybb->settings['maxmultipagelinks']-1;
1069 }
1070
1071 if($to > $pages)
1072 {
1073 $to = $pages;
1074 $from = $pages-$mybb->settings['maxmultipagelinks']+1;
1075 if($from <= 0)
1076 {
1077 $from = 1;
1078 }
1079 }
1080
1081 if($to == 0)
1082 {
1083 $to = $pages;
1084 }
1085
1086 $start = '';
1087 if($from > 1)
1088 {
1089 if($from-1 == 1)
1090 {
1091 $lang->multipage_link_start = '';
1092 }
1093
1094 $page_url = fetch_page_url($url, 1);
1095 eval("\$start = \"".$templates->get("multipage_start")."\";");
1096 }
1097
1098 $mppage = '';
1099 for($i = $from; $i <= $to; ++$i)
1100 {
1101 $page_url = fetch_page_url($url, $i);
1102 if($page == $i)
1103 {
1104 if($breadcrumb == true)
1105 {
1106 eval("\$mppage .= \"".$templates->get("multipage_page_link_current")."\";");
1107 }
1108 else
1109 {
1110 eval("\$mppage .= \"".$templates->get("multipage_page_current")."\";");
1111 }
1112 }
1113 else
1114 {
1115 eval("\$mppage .= \"".$templates->get("multipage_page")."\";");
1116 }
1117 }
1118
1119 $end = '';
1120 if($to < $pages)
1121 {
1122 if($to+1 == $pages)
1123 {
1124 $lang->multipage_link_end = '';
1125 }
1126
1127 $page_url = fetch_page_url($url, $pages);
1128 eval("\$end = \"".$templates->get("multipage_end")."\";");
1129 }
1130
1131 $nextpage = '';
1132 if($page < $pages)
1133 {
1134 $next = $page+1;
1135 $page_url = fetch_page_url($url, $next);
1136 eval("\$nextpage = \"".$templates->get("multipage_nextpage")."\";");
1137 }
1138
1139 $jumptopage = '';
1140 if($pages > ($mybb->settings['maxmultipagelinks']+1) && $mybb->settings['jumptopagemultipage'] == 1)
1141 {
1142 // When the second parameter is set to 1, fetch_page_url thinks it's the first page and removes it from the URL as it's unnecessary
1143 $jump_url = fetch_page_url($url, 1);
1144 eval("\$jumptopage = \"".$templates->get("multipage_jump_page")."\";");
1145 }
1146
1147 $multipage_pages = $lang->sprintf($lang->multipage_pages, $pages);
1148
1149 if($breadcrumb == true)
1150 {
1151 eval("\$multipage = \"".$templates->get("multipage_breadcrumb")."\";");
1152 }
1153 else
1154 {
1155 eval("\$multipage = \"".$templates->get("multipage")."\";");
1156 }
1157
1158 return $multipage;
1159}
1160
1161/**
1162 * Generate a page URL for use by the multipage function
1163 *
1164 * @param string $url The URL being passed
1165 * @param int $page The page number
1166 * @return string
1167 */
1168function fetch_page_url($url, $page)
1169{
1170 if($page <= 1)
1171 {
1172 $find = array(
1173 "-page-{page}",
1174 "&page={page}",
1175 "{page}"
1176 );
1177
1178 // Remove "Page 1" to the defacto URL
1179 $url = str_replace($find, array("", "", $page), $url);
1180 return $url;
1181 }
1182 else if(strpos($url, "{page}") === false)
1183 {
1184 // If no page identifier is specified we tack it on to the end of the URL
1185 if(strpos($url, "?") === false)
1186 {
1187 $url .= "?";
1188 }
1189 else
1190 {
1191 $url .= "&";
1192 }
1193
1194 $url .= "page=$page";
1195 }
1196 else
1197 {
1198 $url = str_replace("{page}", $page, $url);
1199 }
1200
1201 return $url;
1202}
1203
1204/**
1205 * Fetch the permissions for a specific user
1206 *
1207 * @param int $uid The user ID, if no user ID is provided then current user's ID will be considered.
1208 * @return array Array of user permissions for the specified user
1209 */
1210function user_permissions($uid=null)
1211{
1212 global $mybb, $cache, $groupscache, $user_cache;
1213
1214 // If no user id is specified, assume it is the current user
1215 if($uid === null)
1216 {
1217 $uid = $mybb->user['uid'];
1218 }
1219
1220 // Its a guest. Return the group permissions directly from cache
1221 if($uid == 0)
1222 {
1223 return $groupscache[1];
1224 }
1225
1226 // User id does not match current user, fetch permissions
1227 if($uid != $mybb->user['uid'])
1228 {
1229 // We've already cached permissions for this user, return them.
1230 if(!empty($user_cache[$uid]['permissions']))
1231 {
1232 return $user_cache[$uid]['permissions'];
1233 }
1234
1235 // This user was not already cached, fetch their user information.
1236 if(empty($user_cache[$uid]))
1237 {
1238 $user_cache[$uid] = get_user($uid);
1239 }
1240
1241 // Collect group permissions.
1242 $gid = $user_cache[$uid]['usergroup'].",".$user_cache[$uid]['additionalgroups'];
1243 $groupperms = usergroup_permissions($gid);
1244
1245 // Store group permissions in user cache.
1246 $user_cache[$uid]['permissions'] = $groupperms;
1247 return $groupperms;
1248 }
1249 // This user is the current user, return their permissions
1250 else
1251 {
1252 return $mybb->usergroup;
1253 }
1254}
1255
1256/**
1257 * Fetch the usergroup permissions for a specific group or series of groups combined
1258 *
1259 * @param int|string $gid A list of groups (Can be a single integer, or a list of groups separated by a comma)
1260 * @return array Array of permissions generated for the groups, containing also a list of comma-separated checked groups under 'all_usergroups' index
1261 */
1262function usergroup_permissions($gid=0)
1263{
1264 global $cache, $groupscache, $grouppermignore, $groupzerogreater;
1265
1266 if(!is_array($groupscache))
1267 {
1268 $groupscache = $cache->read("usergroups");
1269 }
1270
1271 $groups = explode(",", $gid);
1272
1273 if(count($groups) == 1)
1274 {
1275 $groupscache[$gid]['all_usergroups'] = $gid;
1276 return $groupscache[$gid];
1277 }
1278
1279 $usergroup = array();
1280 $usergroup['all_usergroups'] = $gid;
1281
1282 foreach($groups as $gid)
1283 {
1284 if(trim($gid) == "" || empty($groupscache[$gid]))
1285 {
1286 continue;
1287 }
1288
1289 foreach($groupscache[$gid] as $perm => $access)
1290 {
1291 if(!in_array($perm, $grouppermignore))
1292 {
1293 if(isset($usergroup[$perm]))
1294 {
1295 $permbit = $usergroup[$perm];
1296 }
1297 else
1298 {
1299 $permbit = "";
1300 }
1301
1302 // 0 represents unlimited for numerical group permissions (i.e. private message limit) so take that into account.
1303 if(in_array($perm, $groupzerogreater) && ($access == 0 || $permbit === 0))
1304 {
1305 $usergroup[$perm] = 0;
1306 continue;
1307 }
1308
1309 if($access > $permbit || ($access == "yes" && $permbit == "no") || !$permbit) // Keep yes/no for compatibility?
1310 {
1311 $usergroup[$perm] = $access;
1312 }
1313 }
1314 }
1315 }
1316
1317 return $usergroup;
1318}
1319
1320/**
1321 * Fetch the display group properties for a specific display group
1322 *
1323 * @param int $gid The group ID to fetch the display properties for
1324 * @return array Array of display properties for the group
1325 */
1326function usergroup_displaygroup($gid)
1327{
1328 global $cache, $groupscache, $displaygroupfields;
1329
1330 if(!is_array($groupscache))
1331 {
1332 $groupscache = $cache->read("usergroups");
1333 }
1334
1335 $displaygroup = array();
1336 $group = $groupscache[$gid];
1337
1338 foreach($displaygroupfields as $field)
1339 {
1340 $displaygroup[$field] = $group[$field];
1341 }
1342
1343 return $displaygroup;
1344}
1345
1346/**
1347 * Build the forum permissions for a specific forum, user or group
1348 *
1349 * @param int $fid The forum ID to build permissions for (0 builds for all forums)
1350 * @param int $uid The user to build the permissions for (0 will select the uid automatically)
1351 * @param int $gid The group of the user to build permissions for (0 will fetch it)
1352 * @return array Forum permissions for the specific forum or forums
1353 */
1354function forum_permissions($fid=0, $uid=0, $gid=0)
1355{
1356 global $db, $cache, $groupscache, $forum_cache, $fpermcache, $mybb, $cached_forum_permissions_permissions, $cached_forum_permissions;
1357
1358 if($uid == 0)
1359 {
1360 $uid = $mybb->user['uid'];
1361 }
1362
1363 if(!$gid || $gid == 0) // If no group, we need to fetch it
1364 {
1365 if($uid != 0 && $uid != $mybb->user['uid'])
1366 {
1367 $user = get_user($uid);
1368
1369 $gid = $user['usergroup'].",".$user['additionalgroups'];
1370 $groupperms = usergroup_permissions($gid);
1371 }
1372 else
1373 {
1374 $gid = $mybb->user['usergroup'];
1375
1376 if(isset($mybb->user['additionalgroups']))
1377 {
1378 $gid .= ",".$mybb->user['additionalgroups'];
1379 }
1380
1381 $groupperms = $mybb->usergroup;
1382 }
1383 }
1384
1385 if(!is_array($forum_cache))
1386 {
1387 $forum_cache = cache_forums();
1388
1389 if(!$forum_cache)
1390 {
1391 return false;
1392 }
1393 }
1394
1395 if(!is_array($fpermcache))
1396 {
1397 $fpermcache = $cache->read("forumpermissions");
1398 }
1399
1400 if($fid) // Fetch the permissions for a single forum
1401 {
1402 if(empty($cached_forum_permissions_permissions[$gid][$fid]))
1403 {
1404 $cached_forum_permissions_permissions[$gid][$fid] = fetch_forum_permissions($fid, $gid, $groupperms);
1405 }
1406 return $cached_forum_permissions_permissions[$gid][$fid];
1407 }
1408 else
1409 {
1410 if(empty($cached_forum_permissions[$gid]))
1411 {
1412 foreach($forum_cache as $forum)
1413 {
1414 $cached_forum_permissions[$gid][$forum['fid']] = fetch_forum_permissions($forum['fid'], $gid, $groupperms);
1415 }
1416 }
1417 return $cached_forum_permissions[$gid];
1418 }
1419}
1420
1421/**
1422 * Fetches the permissions for a specific forum/group applying the inheritance scheme.
1423 * Called by forum_permissions()
1424 *
1425 * @param int $fid The forum ID
1426 * @param string $gid A comma separated list of usergroups
1427 * @param array $groupperms Group permissions
1428 * @return array Permissions for this forum
1429*/
1430function fetch_forum_permissions($fid, $gid, $groupperms)
1431{
1432 global $groupscache, $forum_cache, $fpermcache, $mybb, $fpermfields;
1433
1434 $groups = explode(",", $gid);
1435
1436 if(empty($fpermcache[$fid])) // This forum has no custom or inherited permissions so lets just return the group permissions
1437 {
1438 return $groupperms;
1439 }
1440
1441 $current_permissions = array();
1442 $only_view_own_threads = 1;
1443 $only_reply_own_threads = 1;
1444
1445 foreach($groups as $gid)
1446 {
1447 if(!empty($groupscache[$gid]))
1448 {
1449 $level_permissions = $fpermcache[$fid][$gid];
1450
1451 // If our permissions arn't inherited we need to figure them out
1452 if(empty($fpermcache[$fid][$gid]))
1453 {
1454 $parents = explode(',', $forum_cache[$fid]['parentlist']);
1455 rsort($parents);
1456 if(!empty($parents))
1457 {
1458 foreach($parents as $parent_id)
1459 {
1460 if(!empty($fpermcache[$parent_id][$gid]))
1461 {
1462 $level_permissions = $fpermcache[$parent_id][$gid];
1463 break;
1464 }
1465 }
1466 }
1467 }
1468
1469 // If we STILL don't have forum permissions we use the usergroup itself
1470 if(empty($level_permissions))
1471 {
1472 $level_permissions = $groupscache[$gid];
1473 }
1474
1475 foreach($level_permissions as $permission => $access)
1476 {
1477 if(empty($current_permissions[$permission]) || $access >= $current_permissions[$permission] || ($access == "yes" && $current_permissions[$permission] == "no"))
1478 {
1479 $current_permissions[$permission] = $access;
1480 }
1481 }
1482
1483 if($level_permissions["canview"] && empty($level_permissions["canonlyviewownthreads"]))
1484 {
1485 $only_view_own_threads = 0;
1486 }
1487
1488 if($level_permissions["canpostreplys"] && empty($level_permissions["canonlyreplyownthreads"]))
1489 {
1490 $only_reply_own_threads = 0;
1491 }
1492 }
1493 }
1494
1495 // Figure out if we can view more than our own threads
1496 if($only_view_own_threads == 0)
1497 {
1498 $current_permissions["canonlyviewownthreads"] = 0;
1499 }
1500
1501 // Figure out if we can reply more than our own threads
1502 if($only_reply_own_threads == 0)
1503 {
1504 $current_permissions["canonlyreplyownthreads"] = 0;
1505 }
1506
1507 if(count($current_permissions) == 0)
1508 {
1509 $current_permissions = $groupperms;
1510 }
1511 return $current_permissions;
1512}
1513
1514/**
1515 * Check the password given on a certain forum for validity
1516 *
1517 * @param int $fid The forum ID
1518 * @param int $pid The Parent ID
1519 * @param bool $return
1520 * @return bool
1521 */
1522function check_forum_password($fid, $pid=0, $return=false)
1523{
1524 global $mybb, $header, $footer, $headerinclude, $theme, $templates, $lang, $forum_cache;
1525
1526 $showform = true;
1527
1528 if(!is_array($forum_cache))
1529 {
1530 $forum_cache = cache_forums();
1531 if(!$forum_cache)
1532 {
1533 return false;
1534 }
1535 }
1536
1537 // Loop through each of parent forums to ensure we have a password for them too
1538 if(isset($forum_cache[$fid]['parentlist']))
1539 {
1540 $parents = explode(',', $forum_cache[$fid]['parentlist']);
1541 rsort($parents);
1542 }
1543 if(!empty($parents))
1544 {
1545 foreach($parents as $parent_id)
1546 {
1547 if($parent_id == $fid || $parent_id == $pid)
1548 {
1549 continue;
1550 }
1551
1552 if($forum_cache[$parent_id]['password'] != "")
1553 {
1554 check_forum_password($parent_id, $fid);
1555 }
1556 }
1557 }
1558
1559 if(!empty($forum_cache[$fid]['password']))
1560 {
1561 $password = $forum_cache[$fid]['password'];
1562 if(isset($mybb->input['pwverify']) && $pid == 0)
1563 {
1564 if($password === $mybb->get_input('pwverify'))
1565 {
1566 my_setcookie("forumpass[$fid]", md5($mybb->user['uid'].$mybb->get_input('pwverify')), null, true);
1567 $showform = false;
1568 }
1569 else
1570 {
1571 eval("\$pwnote = \"".$templates->get("forumdisplay_password_wrongpass")."\";");
1572 $showform = true;
1573 }
1574 }
1575 else
1576 {
1577 if(!$mybb->cookies['forumpass'][$fid] || ($mybb->cookies['forumpass'][$fid] && md5($mybb->user['uid'].$password) !== $mybb->cookies['forumpass'][$fid]))
1578 {
1579 $showform = true;
1580 }
1581 else
1582 {
1583 $showform = false;
1584 }
1585 }
1586 }
1587 else
1588 {
1589 $showform = false;
1590 }
1591
1592 if($return)
1593 {
1594 return $showform;
1595 }
1596
1597 if($showform)
1598 {
1599 if($pid)
1600 {
1601 header("Location: ".$mybb->settings['bburl']."/".get_forum_link($fid));
1602 }
1603 else
1604 {
1605 $_SERVER['REQUEST_URI'] = htmlspecialchars_uni($_SERVER['REQUEST_URI']);
1606 eval("\$pwform = \"".$templates->get("forumdisplay_password")."\";");
1607 output_page($pwform);
1608 }
1609 exit;
1610 }
1611}
1612
1613/**
1614 * Return the permissions for a moderator in a specific forum
1615 *
1616 * @param int $fid The forum ID
1617 * @param int $uid The user ID to fetch permissions for (0 assumes current logged in user)
1618 * @param string $parentslist The parent list for the forum (if blank, will be fetched)
1619 * @return array Array of moderator permissions for the specific forum
1620 */
1621function get_moderator_permissions($fid, $uid=0, $parentslist="")
1622{
1623 global $mybb, $cache, $db;
1624 static $modpermscache;
1625
1626 if($uid < 1)
1627 {
1628 $uid = $mybb->user['uid'];
1629 }
1630
1631 if($uid == 0)
1632 {
1633 return false;
1634 }
1635
1636 if(isset($modpermscache[$fid][$uid]))
1637 {
1638 return $modpermscache[$fid][$uid];
1639 }
1640
1641 if(!$parentslist)
1642 {
1643 $parentslist = explode(',', get_parent_list($fid));
1644 }
1645
1646 // Get user groups
1647 $perms = array();
1648 $user = get_user($uid);
1649
1650 $groups = array($user['usergroup']);
1651
1652 if(!empty($user['additionalgroups']))
1653 {
1654 $extra_groups = explode(",", $user['additionalgroups']);
1655
1656 foreach($extra_groups as $extra_group)
1657 {
1658 $groups[] = $extra_group;
1659 }
1660 }
1661
1662 $mod_cache = $cache->read("moderators");
1663
1664 foreach($mod_cache as $forumid => $forum)
1665 {
1666 if(!is_array($forum) || !in_array($forumid, $parentslist))
1667 {
1668 // No perms or we're not after this forum
1669 continue;
1670 }
1671
1672 // User settings override usergroup settings
1673 if(is_array($forum['users'][$uid]))
1674 {
1675 $perm = $forum['users'][$uid];
1676 foreach($perm as $action => $value)
1677 {
1678 if(strpos($action, "can") === false)
1679 {
1680 continue;
1681 }
1682
1683 // Figure out the user permissions
1684 if($value == 0)
1685 {
1686 // The user doesn't have permission to set this action
1687 $perms[$action] = 0;
1688 }
1689 else
1690 {
1691 $perms[$action] = max($perm[$action], $perms[$action]);
1692 }
1693 }
1694 }
1695
1696 foreach($groups as $group)
1697 {
1698 if(!is_array($forum['usergroups'][$group]))
1699 {
1700 // There are no permissions set for this group
1701 continue;
1702 }
1703
1704 $perm = $forum['usergroups'][$group];
1705 foreach($perm as $action => $value)
1706 {
1707 if(strpos($action, "can") === false)
1708 {
1709 continue;
1710 }
1711
1712 $perms[$action] = max($perm[$action], $perms[$action]);
1713 }
1714 }
1715 }
1716
1717 $modpermscache[$fid][$uid] = $perms;
1718
1719 return $perms;
1720}
1721
1722/**
1723 * Checks if a moderator has permissions to perform an action in a specific forum
1724 *
1725 * @param int $fid The forum ID (0 assumes global)
1726 * @param string $action The action tyring to be performed. (blank assumes any action at all)
1727 * @param int $uid The user ID (0 assumes current user)
1728 * @return bool Returns true if the user has permission, false if they do not
1729 */
1730function is_moderator($fid=0, $action="", $uid=0)
1731{
1732 global $mybb, $cache;
1733
1734 if($uid == 0)
1735 {
1736 $uid = $mybb->user['uid'];
1737 }
1738
1739 if($uid == 0)
1740 {
1741 return false;
1742 }
1743
1744 $user_perms = user_permissions($uid);
1745 if($user_perms['issupermod'] == 1)
1746 {
1747 if($fid)
1748 {
1749 $forumpermissions = forum_permissions($fid);
1750 if($forumpermissions['canview'] && $forumpermissions['canviewthreads'] && !$forumpermissions['canonlyviewownthreads'])
1751 {
1752 return true;
1753 }
1754 return false;
1755 }
1756 return true;
1757 }
1758 else
1759 {
1760 if(!$fid)
1761 {
1762 $modcache = $cache->read('moderators');
1763 if(!empty($modcache))
1764 {
1765 foreach($modcache as $modusers)
1766 {
1767 if(isset($modusers['users'][$uid]) && $modusers['users'][$uid]['mid'] && (!$action || !empty($modusers['users'][$uid][$action])))
1768 {
1769 return true;
1770 }
1771
1772 $groups = explode(',', $user_perms['all_usergroups']);
1773
1774 foreach($groups as $group)
1775 {
1776 if(trim($group) != '' && isset($modusers['usergroups'][$group]) && (!$action || !empty($modusers['usergroups'][$group][$action])))
1777 {
1778 return true;
1779 }
1780 }
1781 }
1782 }
1783 return false;
1784 }
1785 else
1786 {
1787 $modperms = get_moderator_permissions($fid, $uid);
1788
1789 if(!$action && $modperms)
1790 {
1791 return true;
1792 }
1793 else
1794 {
1795 if(isset($modperms[$action]) && $modperms[$action] == 1)
1796 {
1797 return true;
1798 }
1799 else
1800 {
1801 return false;
1802 }
1803 }
1804 }
1805 }
1806}
1807
1808/**
1809 * Generate a list of the posticons.
1810 *
1811 * @return string The template of posticons.
1812 */
1813function get_post_icons()
1814{
1815 global $mybb, $cache, $icon, $theme, $templates, $lang;
1816
1817 if(isset($mybb->input['icon']))
1818 {
1819 $icon = $mybb->get_input('icon');
1820 }
1821
1822 $iconlist = '';
1823 $no_icons_checked = " checked=\"checked\"";
1824 // read post icons from cache, and sort them accordingly
1825 $posticons_cache = (array)$cache->read("posticons");
1826 $posticons = array();
1827 foreach($posticons_cache as $posticon)
1828 {
1829 $posticons[$posticon['name']] = $posticon;
1830 }
1831 krsort($posticons);
1832
1833 foreach($posticons as $dbicon)
1834 {
1835 $dbicon['path'] = str_replace("{theme}", $theme['imgdir'], $dbicon['path']);
1836 $dbicon['path'] = htmlspecialchars_uni($mybb->get_asset_url($dbicon['path']));
1837 $dbicon['name'] = htmlspecialchars_uni($dbicon['name']);
1838
1839 if($icon == $dbicon['iid'])
1840 {
1841 $checked = " checked=\"checked\"";
1842 $no_icons_checked = '';
1843 }
1844 else
1845 {
1846 $checked = '';
1847 }
1848
1849 eval("\$iconlist .= \"".$templates->get("posticons_icon")."\";");
1850 }
1851
1852 if(!empty($iconlist))
1853 {
1854 eval("\$posticons = \"".$templates->get("posticons")."\";");
1855 }
1856 else
1857 {
1858 $posticons = '';
1859 }
1860
1861 return $posticons;
1862}
1863
1864/**
1865 * MyBB setcookie() wrapper.
1866 *
1867 * @param string $name The cookie identifier.
1868 * @param string $value The cookie value.
1869 * @param int|string $expires The timestamp of the expiry date.
1870 * @param boolean $httponly True if setting a HttpOnly cookie (supported by the majority of web browsers)
1871 * @param string $samesite The samesite attribute to prevent CSRF.
1872 */
1873function my_setcookie($name, $value="", $expires="", $httponly=false, $samesite="")
1874{
1875 global $mybb;
1876
1877 if(!$mybb->settings['cookiepath'])
1878 {
1879 $mybb->settings['cookiepath'] = "/";
1880 }
1881
1882 if($expires == -1)
1883 {
1884 $expires = 0;
1885 }
1886 elseif($expires == "" || $expires == null)
1887 {
1888 $expires = TIME_NOW + (60*60*24*365); // Make the cookie expire in a years time
1889 }
1890 else
1891 {
1892 $expires = TIME_NOW + (int)$expires;
1893 }
1894
1895 $mybb->settings['cookiepath'] = str_replace(array("\n","\r"), "", $mybb->settings['cookiepath']);
1896 $mybb->settings['cookiedomain'] = str_replace(array("\n","\r"), "", $mybb->settings['cookiedomain']);
1897 $mybb->settings['cookieprefix'] = str_replace(array("\n","\r", " "), "", $mybb->settings['cookieprefix']);
1898
1899 // Versions of PHP prior to 5.2 do not support HttpOnly cookies and IE is buggy when specifying a blank domain so set the cookie manually
1900 $cookie = "Set-Cookie: {$mybb->settings['cookieprefix']}{$name}=".urlencode($value);
1901
1902 if($expires > 0)
1903 {
1904 $cookie .= "; expires=".@gmdate('D, d-M-Y H:i:s \\G\\M\\T', $expires);
1905 }
1906
1907 if(!empty($mybb->settings['cookiepath']))
1908 {
1909 $cookie .= "; path={$mybb->settings['cookiepath']}";
1910 }
1911
1912 if(!empty($mybb->settings['cookiedomain']))
1913 {
1914 $cookie .= "; domain={$mybb->settings['cookiedomain']}";
1915 }
1916
1917 if($httponly == true)
1918 {
1919 $cookie .= "; HttpOnly";
1920 }
1921
1922 if($samesite != "" && $mybb->settings['cookiesamesiteflag'])
1923 {
1924 $samesite = strtolower($samesite);
1925
1926 if($samesite == "lax" || $samesite == "strict")
1927 {
1928 $cookie .= "; SameSite=".$samesite;
1929 }
1930 }
1931
1932 if($mybb->settings['cookiesecureflag'])
1933 {
1934 $cookie .= "; Secure";
1935 }
1936
1937 $mybb->cookies[$name] = $value;
1938
1939 header($cookie, false);
1940}
1941
1942/**
1943 * Unset a cookie set by MyBB.
1944 *
1945 * @param string $name The cookie identifier.
1946 */
1947function my_unsetcookie($name)
1948{
1949 global $mybb;
1950
1951 $expires = -3600;
1952 my_setcookie($name, "", $expires);
1953
1954 unset($mybb->cookies[$name]);
1955}
1956
1957/**
1958 * Get the contents from a serialised cookie array.
1959 *
1960 * @param string $name The cookie identifier.
1961 * @param int $id The cookie content id.
1962 * @return array|boolean The cookie id's content array or false when non-existent.
1963 */
1964function my_get_array_cookie($name, $id)
1965{
1966 global $mybb;
1967
1968 if(!isset($mybb->cookies['mybb'][$name]))
1969 {
1970 return false;
1971 }
1972
1973 $cookie = my_unserialize($mybb->cookies['mybb'][$name]);
1974
1975 if(is_array($cookie) && isset($cookie[$id]))
1976 {
1977 return $cookie[$id];
1978 }
1979 else
1980 {
1981 return 0;
1982 }
1983}
1984
1985/**
1986 * Set a serialised cookie array.
1987 *
1988 * @param string $name The cookie identifier.
1989 * @param int $id The cookie content id.
1990 * @param string $value The value to set the cookie to.
1991 * @param int|string $expires The timestamp of the expiry date.
1992 */
1993function my_set_array_cookie($name, $id, $value, $expires="")
1994{
1995 global $mybb;
1996
1997 $cookie = $mybb->cookies['mybb'];
1998 if(isset($cookie[$name]))
1999 {
2000 $newcookie = my_unserialize($cookie[$name]);
2001 }
2002 else
2003 {
2004 $newcookie = array();
2005 }
2006
2007 $newcookie[$id] = $value;
2008 $newcookie = my_serialize($newcookie);
2009 my_setcookie("mybb[$name]", addslashes($newcookie), $expires);
2010
2011 // Make sure our current viarables are up-to-date as well
2012 $mybb->cookies['mybb'][$name] = $newcookie;
2013}
2014
2015/*
2016 * Arbitrary limits for _safe_unserialize()
2017 */
2018define('MAX_SERIALIZED_INPUT_LENGTH', 10240);
2019define('MAX_SERIALIZED_ARRAY_LENGTH', 256);
2020define('MAX_SERIALIZED_ARRAY_DEPTH', 5);
2021
2022/**
2023 * Credits go to https://github.com/piwik
2024 * Safe unserialize() replacement
2025 * - accepts a strict subset of PHP's native my_serialized representation
2026 * - does not unserialize objects
2027 *
2028 * @param string $str
2029 * @return mixed
2030 * @throw Exception if $str is malformed or contains unsupported types (e.g., resources, objects)
2031 */
2032function _safe_unserialize($str)
2033{
2034 if(strlen($str) > MAX_SERIALIZED_INPUT_LENGTH)
2035 {
2036 // input exceeds MAX_SERIALIZED_INPUT_LENGTH
2037 return false;
2038 }
2039
2040 if(empty($str) || !is_string($str))
2041 {
2042 return false;
2043 }
2044
2045 $stack = array();
2046 $expected = array();
2047
2048 /*
2049 * states:
2050 * 0 - initial state, expecting a single value or array
2051 * 1 - terminal state
2052 * 2 - in array, expecting end of array or a key
2053 * 3 - in array, expecting value or another array
2054 */
2055 $state = 0;
2056 while($state != 1)
2057 {
2058 $type = isset($str[0]) ? $str[0] : '';
2059
2060 if($type == '}')
2061 {
2062 $str = substr($str, 1);
2063 }
2064 else if($type == 'N' && $str[1] == ';')
2065 {
2066 $value = null;
2067 $str = substr($str, 2);
2068 }
2069 else if($type == 'b' && preg_match('/^b:([01]);/', $str, $matches))
2070 {
2071 $value = $matches[1] == '1' ? true : false;
2072 $str = substr($str, 4);
2073 }
2074 else if($type == 'i' && preg_match('/^i:(-?[0-9]+);(.*)/s', $str, $matches))
2075 {
2076 $value = (int)$matches[1];
2077 $str = $matches[2];
2078 }
2079 else if($type == 'd' && preg_match('/^d:(-?[0-9]+\.?[0-9]*(E[+-][0-9]+)?);(.*)/s', $str, $matches))
2080 {
2081 $value = (float)$matches[1];
2082 $str = $matches[3];
2083 }
2084 else if($type == 's' && preg_match('/^s:([0-9]+):"(.*)/s', $str, $matches) && substr($matches[2], (int)$matches[1], 2) == '";')
2085 {
2086 $value = substr($matches[2], 0, (int)$matches[1]);
2087 $str = substr($matches[2], (int)$matches[1] + 2);
2088 }
2089 else if($type == 'a' && preg_match('/^a:([0-9]+):{(.*)/s', $str, $matches) && $matches[1] < MAX_SERIALIZED_ARRAY_LENGTH)
2090 {
2091 $expectedLength = (int)$matches[1];
2092 $str = $matches[2];
2093 }
2094 else
2095 {
2096 // object or unknown/malformed type
2097 return false;
2098 }
2099
2100 switch($state)
2101 {
2102 case 3: // in array, expecting value or another array
2103 if($type == 'a')
2104 {
2105 if(count($stack) >= MAX_SERIALIZED_ARRAY_DEPTH)
2106 {
2107 // array nesting exceeds MAX_SERIALIZED_ARRAY_DEPTH
2108 return false;
2109 }
2110
2111 $stack[] = &$list;
2112 $list[$key] = array();
2113 $list = &$list[$key];
2114 $expected[] = $expectedLength;
2115 $state = 2;
2116 break;
2117 }
2118 if($type != '}')
2119 {
2120 $list[$key] = $value;
2121 $state = 2;
2122 break;
2123 }
2124
2125 // missing array value
2126 return false;
2127
2128 case 2: // in array, expecting end of array or a key
2129 if($type == '}')
2130 {
2131 if(count($list) < end($expected))
2132 {
2133 // array size less than expected
2134 return false;
2135 }
2136
2137 unset($list);
2138 $list = &$stack[count($stack)-1];
2139 array_pop($stack);
2140
2141 // go to terminal state if we're at the end of the root array
2142 array_pop($expected);
2143 if(count($expected) == 0) {
2144 $state = 1;
2145 }
2146 break;
2147 }
2148 if($type == 'i' || $type == 's')
2149 {
2150 if(count($list) >= MAX_SERIALIZED_ARRAY_LENGTH)
2151 {
2152 // array size exceeds MAX_SERIALIZED_ARRAY_LENGTH
2153 return false;
2154 }
2155 if(count($list) >= end($expected))
2156 {
2157 // array size exceeds expected length
2158 return false;
2159 }
2160
2161 $key = $value;
2162 $state = 3;
2163 break;
2164 }
2165
2166 // illegal array index type
2167 return false;
2168
2169 case 0: // expecting array or value
2170 if($type == 'a')
2171 {
2172 if(count($stack) >= MAX_SERIALIZED_ARRAY_DEPTH)
2173 {
2174 // array nesting exceeds MAX_SERIALIZED_ARRAY_DEPTH
2175 return false;
2176 }
2177
2178 $data = array();
2179 $list = &$data;
2180 $expected[] = $expectedLength;
2181 $state = 2;
2182 break;
2183 }
2184 if($type != '}')
2185 {
2186 $data = $value;
2187 $state = 1;
2188 break;
2189 }
2190
2191 // not in array
2192 return false;
2193 }
2194 }
2195
2196 if(!empty($str))
2197 {
2198 // trailing data in input
2199 return false;
2200 }
2201 return $data;
2202}
2203
2204/**
2205 * Credits go to https://github.com/piwik
2206 * Wrapper for _safe_unserialize() that handles exceptions and multibyte encoding issue
2207 *
2208 * @param string $str
2209 * @return mixed
2210 */
2211function my_unserialize($str)
2212{
2213 // Ensure we use the byte count for strings even when strlen() is overloaded by mb_strlen()
2214 if(function_exists('mb_internal_encoding') && (((int)ini_get('mbstring.func_overload')) & 2))
2215 {
2216 $mbIntEnc = mb_internal_encoding();
2217 mb_internal_encoding('ASCII');
2218 }
2219
2220 $out = _safe_unserialize($str);
2221
2222 if(isset($mbIntEnc))
2223 {
2224 mb_internal_encoding($mbIntEnc);
2225 }
2226
2227 return $out;
2228}
2229
2230/**
2231 * Credits go to https://github.com/piwik
2232 * Safe serialize() replacement
2233 * - output a strict subset of PHP's native serialized representation
2234 * - does not my_serialize objects
2235 *
2236 * @param mixed $value
2237 * @return string
2238 * @throw Exception if $value is malformed or contains unsupported types (e.g., resources, objects)
2239 */
2240function _safe_serialize( $value )
2241{
2242 if(is_null($value))
2243 {
2244 return 'N;';
2245 }
2246
2247 if(is_bool($value))
2248 {
2249 return 'b:'.(int)$value.';';
2250 }
2251
2252 if(is_int($value))
2253 {
2254 return 'i:'.$value.';';
2255 }
2256
2257 if(is_float($value))
2258 {
2259 return 'd:'.str_replace(',', '.', $value).';';
2260 }
2261
2262 if(is_string($value))
2263 {
2264 return 's:'.strlen($value).':"'.$value.'";';
2265 }
2266
2267 if(is_array($value))
2268 {
2269 $out = '';
2270 foreach($value as $k => $v)
2271 {
2272 $out .= _safe_serialize($k) . _safe_serialize($v);
2273 }
2274
2275 return 'a:'.count($value).':{'.$out.'}';
2276 }
2277
2278 // safe_serialize cannot my_serialize resources or objects
2279 return false;
2280}
2281
2282/**
2283 * Credits go to https://github.com/piwik
2284 * Wrapper for _safe_serialize() that handles exceptions and multibyte encoding issue
2285 *
2286 * @param mixed $value
2287 * @return string
2288*/
2289function my_serialize($value)
2290{
2291 // ensure we use the byte count for strings even when strlen() is overloaded by mb_strlen()
2292 if(function_exists('mb_internal_encoding') && (((int)ini_get('mbstring.func_overload')) & 2))
2293 {
2294 $mbIntEnc = mb_internal_encoding();
2295 mb_internal_encoding('ASCII');
2296 }
2297
2298 $out = _safe_serialize($value);
2299 if(isset($mbIntEnc))
2300 {
2301 mb_internal_encoding($mbIntEnc);
2302 }
2303
2304 return $out;
2305}
2306
2307/**
2308 * Returns the serverload of the system.
2309 *
2310 * @return int The serverload of the system.
2311 */
2312function get_server_load()
2313{
2314 global $mybb, $lang;
2315
2316 $serverload = array();
2317
2318 // DIRECTORY_SEPARATOR checks if running windows
2319 if(DIRECTORY_SEPARATOR != '\\')
2320 {
2321 if(function_exists("sys_getloadavg"))
2322 {
2323 // sys_getloadavg() will return an array with [0] being load within the last minute.
2324 $serverload = sys_getloadavg();
2325 $serverload[0] = round($serverload[0], 4);
2326 }
2327 else if(@file_exists("/proc/loadavg") && $load = @file_get_contents("/proc/loadavg"))
2328 {
2329 $serverload = explode(" ", $load);
2330 $serverload[0] = round($serverload[0], 4);
2331 }
2332 if(!is_numeric($serverload[0]))
2333 {
2334 if($mybb->safemode)
2335 {
2336 return $lang->unknown;
2337 }
2338
2339 // Suhosin likes to throw a warning if exec is disabled then die - weird
2340 if($func_blacklist = @ini_get('suhosin.executor.func.blacklist'))
2341 {
2342 if(strpos(",".$func_blacklist.",", 'exec') !== false)
2343 {
2344 return $lang->unknown;
2345 }
2346 }
2347 // PHP disabled functions?
2348 if($func_blacklist = @ini_get('disable_functions'))
2349 {
2350 if(strpos(",".$func_blacklist.",", 'exec') !== false)
2351 {
2352 return $lang->unknown;
2353 }
2354 }
2355
2356 $load = @exec("uptime");
2357 $load = explode("load average: ", $load);
2358 $serverload = explode(",", $load[1]);
2359 if(!is_array($serverload))
2360 {
2361 return $lang->unknown;
2362 }
2363 }
2364 }
2365 else
2366 {
2367 return $lang->unknown;
2368 }
2369
2370 $returnload = trim($serverload[0]);
2371
2372 return $returnload;
2373}
2374
2375/**
2376 * Returns the amount of memory allocated to the script.
2377 *
2378 * @return int The amount of memory allocated to the script.
2379 */
2380function get_memory_usage()
2381{
2382 if(function_exists('memory_get_peak_usage'))
2383 {
2384 return memory_get_peak_usage(true);
2385 }
2386 elseif(function_exists('memory_get_usage'))
2387 {
2388 return memory_get_usage(true);
2389 }
2390 return false;
2391}
2392
2393/**
2394 * Updates the forum statistics with specific values (or addition/subtraction of the previous value)
2395 *
2396 * @param array $changes Array of items being updated (numthreads,numposts,numusers,numunapprovedthreads,numunapprovedposts,numdeletedposts,numdeletedthreads)
2397 * @param boolean $force Force stats update?
2398 */
2399function update_stats($changes=array(), $force=false)
2400{
2401 global $cache, $db;
2402 static $stats_changes;
2403
2404 if(empty($stats_changes))
2405 {
2406 // Update stats after all changes are done
2407 add_shutdown('update_stats', array(array(), true));
2408 }
2409
2410 if(empty($stats_changes) || $stats_changes['inserted'])
2411 {
2412 $stats_changes = array(
2413 'numthreads' => '+0',
2414 'numposts' => '+0',
2415 'numusers' => '+0',
2416 'numunapprovedthreads' => '+0',
2417 'numunapprovedposts' => '+0',
2418 'numdeletedposts' => '+0',
2419 'numdeletedthreads' => '+0',
2420 'inserted' => false // Reset after changes are inserted into cache
2421 );
2422 $stats = $stats_changes;
2423 }
2424
2425 if($force) // Force writing to cache?
2426 {
2427 if(!empty($changes))
2428 {
2429 // Calculate before writing to cache
2430 update_stats($changes);
2431 }
2432 $stats = $cache->read("stats");
2433 $changes = $stats_changes;
2434 }
2435 else
2436 {
2437 $stats = $stats_changes;
2438 }
2439
2440 $new_stats = array();
2441 $counters = array('numthreads', 'numunapprovedthreads', 'numposts', 'numunapprovedposts', 'numusers', 'numdeletedposts', 'numdeletedthreads');
2442 foreach($counters as $counter)
2443 {
2444 if(array_key_exists($counter, $changes))
2445 {
2446 if(substr($changes[$counter], 0, 2) == "+-")
2447 {
2448 $changes[$counter] = substr($changes[$counter], 1);
2449 }
2450 // Adding or subtracting from previous value?
2451 if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-")
2452 {
2453 if((int)$changes[$counter] != 0)
2454 {
2455 $new_stats[$counter] = $stats[$counter] + $changes[$counter];
2456 if(!$force && (substr($stats[$counter], 0, 1) == "+" || substr($stats[$counter], 0, 1) == "-"))
2457 {
2458 // We had relative values? Then it is still relative
2459 if($new_stats[$counter] >= 0)
2460 {
2461 $new_stats[$counter] = "+{$new_stats[$counter]}";
2462 }
2463 }
2464 // Less than 0? That's bad
2465 elseif($new_stats[$counter] < 0)
2466 {
2467 $new_stats[$counter] = 0;
2468 }
2469 }
2470 }
2471 else
2472 {
2473 $new_stats[$counter] = $changes[$counter];
2474 // Less than 0? That's bad
2475 if($new_stats[$counter] < 0)
2476 {
2477 $new_stats[$counter] = 0;
2478 }
2479 }
2480 }
2481 }
2482
2483 if(!$force)
2484 {
2485 $stats_changes = array_merge($stats, $new_stats); // Overwrite changed values
2486 return;
2487 }
2488
2489 // Fetch latest user if the user count is changing
2490 if(array_key_exists('numusers', $changes))
2491 {
2492 $query = $db->simple_select("users", "uid, username", "", array('order_by' => 'regdate', 'order_dir' => 'DESC', 'limit' => 1));
2493 $lastmember = $db->fetch_array($query);
2494 $new_stats['lastuid'] = $lastmember['uid'];
2495 $new_stats['lastusername'] = $lastmember['username'] = htmlspecialchars_uni($lastmember['username']);
2496 }
2497
2498 if(!empty($new_stats))
2499 {
2500 if(is_array($stats))
2501 {
2502 $stats = array_merge($stats, $new_stats); // Overwrite changed values
2503 }
2504 else
2505 {
2506 $stats = $new_stats;
2507 }
2508 }
2509
2510 // Update stats row for today in the database
2511 $todays_stats = array(
2512 "dateline" => mktime(0, 0, 0, date("m"), date("j"), date("Y")),
2513 "numusers" => (int)$stats['numusers'],
2514 "numthreads" => (int)$stats['numthreads'],
2515 "numposts" => (int)$stats['numposts']
2516 );
2517 $db->replace_query("stats", $todays_stats, "dateline");
2518
2519 $cache->update("stats", $stats, "dateline");
2520 $stats_changes['inserted'] = true;
2521}
2522
2523/**
2524 * Updates the forum counters with a specific value (or addition/subtraction of the previous value)
2525 *
2526 * @param int $fid The forum ID
2527 * @param array $changes Array of items being updated (threads, posts, unapprovedthreads, unapprovedposts, deletedposts, deletedthreads) and their value (ex, 1, +1, -1)
2528 */
2529function update_forum_counters($fid, $changes=array())
2530{
2531 global $db;
2532
2533 $update_query = array();
2534
2535 $counters = array('threads', 'unapprovedthreads', 'posts', 'unapprovedposts', 'deletedposts', 'deletedthreads');
2536
2537 // Fetch above counters for this forum
2538 $query = $db->simple_select("forums", implode(",", $counters), "fid='{$fid}'");
2539 $forum = $db->fetch_array($query);
2540
2541 foreach($counters as $counter)
2542 {
2543 if(array_key_exists($counter, $changes))
2544 {
2545 if(substr($changes[$counter], 0, 2) == "+-")
2546 {
2547 $changes[$counter] = substr($changes[$counter], 1);
2548 }
2549 // Adding or subtracting from previous value?
2550 if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-")
2551 {
2552 if((int)$changes[$counter] != 0)
2553 {
2554 $update_query[$counter] = $forum[$counter] + $changes[$counter];
2555 }
2556 }
2557 else
2558 {
2559 $update_query[$counter] = $changes[$counter];
2560 }
2561
2562 // Less than 0? That's bad
2563 if(isset($update_query[$counter]) && $update_query[$counter] < 0)
2564 {
2565 $update_query[$counter] = 0;
2566 }
2567 }
2568 }
2569
2570 // Only update if we're actually doing something
2571 if(count($update_query) > 0)
2572 {
2573 $db->update_query("forums", $update_query, "fid='".(int)$fid."'");
2574 }
2575
2576 // Guess we should update the statistics too?
2577 $new_stats = array();
2578 if(array_key_exists('threads', $update_query))
2579 {
2580 $threads_diff = $update_query['threads'] - $forum['threads'];
2581 if($threads_diff > -1)
2582 {
2583 $new_stats['numthreads'] = "+{$threads_diff}";
2584 }
2585 else
2586 {
2587 $new_stats['numthreads'] = "{$threads_diff}";
2588 }
2589 }
2590
2591 if(array_key_exists('unapprovedthreads', $update_query))
2592 {
2593 $unapprovedthreads_diff = $update_query['unapprovedthreads'] - $forum['unapprovedthreads'];
2594 if($unapprovedthreads_diff > -1)
2595 {
2596 $new_stats['numunapprovedthreads'] = "+{$unapprovedthreads_diff}";
2597 }
2598 else
2599 {
2600 $new_stats['numunapprovedthreads'] = "{$unapprovedthreads_diff}";
2601 }
2602 }
2603
2604 if(array_key_exists('posts', $update_query))
2605 {
2606 $posts_diff = $update_query['posts'] - $forum['posts'];
2607 if($posts_diff > -1)
2608 {
2609 $new_stats['numposts'] = "+{$posts_diff}";
2610 }
2611 else
2612 {
2613 $new_stats['numposts'] = "{$posts_diff}";
2614 }
2615 }
2616
2617 if(array_key_exists('unapprovedposts', $update_query))
2618 {
2619 $unapprovedposts_diff = $update_query['unapprovedposts'] - $forum['unapprovedposts'];
2620 if($unapprovedposts_diff > -1)
2621 {
2622 $new_stats['numunapprovedposts'] = "+{$unapprovedposts_diff}";
2623 }
2624 else
2625 {
2626 $new_stats['numunapprovedposts'] = "{$unapprovedposts_diff}";
2627 }
2628 }
2629
2630 if(array_key_exists('deletedposts', $update_query))
2631 {
2632 $deletedposts_diff = $update_query['deletedposts'] - $forum['deletedposts'];
2633 if($deletedposts_diff > -1)
2634 {
2635 $new_stats['numdeletedposts'] = "+{$deletedposts_diff}";
2636 }
2637 else
2638 {
2639 $new_stats['numdeletedposts'] = "{$deletedposts_diff}";
2640 }
2641 }
2642
2643 if(array_key_exists('deletedthreads', $update_query))
2644 {
2645 $deletedthreads_diff = $update_query['deletedthreads'] - $forum['deletedthreads'];
2646 if($deletedthreads_diff > -1)
2647 {
2648 $new_stats['numdeletedthreads'] = "+{$deletedthreads_diff}";
2649 }
2650 else
2651 {
2652 $new_stats['numdeletedthreads'] = "{$deletedthreads_diff}";
2653 }
2654 }
2655
2656 if(!empty($new_stats))
2657 {
2658 update_stats($new_stats);
2659 }
2660}
2661
2662/**
2663 * Update the last post information for a specific forum
2664 *
2665 * @param int $fid The forum ID
2666 */
2667function update_forum_lastpost($fid)
2668{
2669 global $db;
2670
2671 // Fetch the last post for this forum
2672 $query = $db->query("
2673 SELECT tid, lastpost, lastposter, lastposteruid, subject
2674 FROM ".TABLE_PREFIX."threads
2675 WHERE fid='{$fid}' AND visible='1' AND closed NOT LIKE 'moved|%'
2676 ORDER BY lastpost DESC
2677 LIMIT 0, 1
2678 ");
2679 $lastpost = $db->fetch_array($query);
2680
2681 $updated_forum = array(
2682 "lastpost" => (int)$lastpost['lastpost'],
2683 "lastposter" => $db->escape_string($lastpost['lastposter']),
2684 "lastposteruid" => (int)$lastpost['lastposteruid'],
2685 "lastposttid" => (int)$lastpost['tid'],
2686 "lastpostsubject" => $db->escape_string($lastpost['subject'])
2687 );
2688
2689 $db->update_query("forums", $updated_forum, "fid='{$fid}'");
2690}
2691
2692/**
2693 * Updates the thread counters with a specific value (or addition/subtraction of the previous value)
2694 *
2695 * @param int $tid The thread ID
2696 * @param array $changes Array of items being updated (replies, unapprovedposts, deletedposts, attachmentcount) and their value (ex, 1, +1, -1)
2697 */
2698function update_thread_counters($tid, $changes=array())
2699{
2700 global $db;
2701
2702 $update_query = array();
2703 $tid = (int)$tid;
2704
2705 $counters = array('replies', 'unapprovedposts', 'attachmentcount', 'deletedposts', 'attachmentcount');
2706
2707 // Fetch above counters for this thread
2708 $query = $db->simple_select("threads", implode(",", $counters), "tid='{$tid}'");
2709 $thread = $db->fetch_array($query);
2710
2711 foreach($counters as $counter)
2712 {
2713 if(array_key_exists($counter, $changes))
2714 {
2715 if(substr($changes[$counter], 0, 2) == "+-")
2716 {
2717 $changes[$counter] = substr($changes[$counter], 1);
2718 }
2719 // Adding or subtracting from previous value?
2720 if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-")
2721 {
2722 if((int)$changes[$counter] != 0)
2723 {
2724 $update_query[$counter] = $thread[$counter] + $changes[$counter];
2725 }
2726 }
2727 else
2728 {
2729 $update_query[$counter] = $changes[$counter];
2730 }
2731
2732 // Less than 0? That's bad
2733 if(isset($update_query[$counter]) && $update_query[$counter] < 0)
2734 {
2735 $update_query[$counter] = 0;
2736 }
2737 }
2738 }
2739
2740 $db->free_result($query);
2741
2742 // Only update if we're actually doing something
2743 if(count($update_query) > 0)
2744 {
2745 $db->update_query("threads", $update_query, "tid='{$tid}'");
2746 }
2747}
2748
2749/**
2750 * Update the first post and lastpost data for a specific thread
2751 *
2752 * @param int $tid The thread ID
2753 */
2754function update_thread_data($tid)
2755{
2756 global $db;
2757
2758 $thread = get_thread($tid);
2759
2760 // If this is a moved thread marker, don't update it - we need it to stay as it is
2761 if(strpos($thread['closed'], 'moved|') !== false)
2762 {
2763 return;
2764 }
2765
2766 $query = $db->query("
2767 SELECT u.uid, u.username, p.username AS postusername, p.dateline
2768 FROM ".TABLE_PREFIX."posts p
2769 LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
2770 WHERE p.tid='$tid' AND p.visible='1'
2771 ORDER BY p.dateline DESC
2772 LIMIT 1"
2773 );
2774 $lastpost = $db->fetch_array($query);
2775
2776 $db->free_result($query);
2777
2778 $query = $db->query("
2779 SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline
2780 FROM ".TABLE_PREFIX."posts p
2781 LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
2782 WHERE p.tid='$tid'
2783 ORDER BY p.dateline ASC
2784 LIMIT 1
2785 ");
2786 $firstpost = $db->fetch_array($query);
2787
2788 $db->free_result($query);
2789
2790 if(empty($firstpost['username']))
2791 {
2792 $firstpost['username'] = $firstpost['postusername'];
2793 }
2794
2795 if(empty($lastpost['username']))
2796 {
2797 $lastpost['username'] = $lastpost['postusername'];
2798 }
2799
2800 if(empty($lastpost['dateline']))
2801 {
2802 $lastpost['username'] = $firstpost['username'];
2803 $lastpost['uid'] = $firstpost['uid'];
2804 $lastpost['dateline'] = $firstpost['dateline'];
2805 }
2806
2807 $lastpost['username'] = $db->escape_string($lastpost['username']);
2808 $firstpost['username'] = $db->escape_string($firstpost['username']);
2809
2810 $update_array = array(
2811 'firstpost' => (int)$firstpost['pid'],
2812 'username' => $firstpost['username'],
2813 'uid' => (int)$firstpost['uid'],
2814 'dateline' => (int)$firstpost['dateline'],
2815 'lastpost' => (int)$lastpost['dateline'],
2816 'lastposter' => $lastpost['username'],
2817 'lastposteruid' => (int)$lastpost['uid'],
2818 );
2819 $db->update_query("threads", $update_array, "tid='{$tid}'");
2820}
2821
2822/**
2823 * Updates the user counters with a specific value (or addition/subtraction of the previous value)
2824 *
2825 * @param int $uid The user ID
2826 * @param array $changes Array of items being updated (postnum, threadnum) and their value (ex, 1, +1, -1)
2827 */
2828function update_user_counters($uid, $changes=array())
2829{
2830 global $db;
2831
2832 $update_query = array();
2833
2834 $counters = array('postnum', 'threadnum');
2835 $uid = (int)$uid;
2836
2837 // Fetch above counters for this user
2838 $query = $db->simple_select("users", implode(",", $counters), "uid='{$uid}'");
2839 $user = $db->fetch_array($query);
2840
2841 foreach($counters as $counter)
2842 {
2843 if(array_key_exists($counter, $changes))
2844 {
2845 if(substr($changes[$counter], 0, 2) == "+-")
2846 {
2847 $changes[$counter] = substr($changes[$counter], 1);
2848 }
2849 // Adding or subtracting from previous value?
2850 if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-")
2851 {
2852 if((int)$changes[$counter] != 0)
2853 {
2854 $update_query[$counter] = $user[$counter] + $changes[$counter];
2855 }
2856 }
2857 else
2858 {
2859 $update_query[$counter] = $changes[$counter];
2860 }
2861
2862 // Less than 0? That's bad
2863 if(isset($update_query[$counter]) && $update_query[$counter] < 0)
2864 {
2865 $update_query[$counter] = 0;
2866 }
2867 }
2868 }
2869
2870 $db->free_result($query);
2871
2872 // Only update if we're actually doing something
2873 if(count($update_query) > 0)
2874 {
2875 $db->update_query("users", $update_query, "uid='{$uid}'");
2876 }
2877}
2878
2879/**
2880 * Deletes a thread from the database
2881 *
2882 * @param int $tid The thread ID
2883 * @return bool
2884 */
2885function delete_thread($tid)
2886{
2887 global $moderation;
2888
2889 if(!is_object($moderation))
2890 {
2891 require_once MYBB_ROOT."inc/class_moderation.php";
2892 $moderation = new Moderation;
2893 }
2894
2895 return $moderation->delete_thread($tid);
2896}
2897
2898/**
2899 * Deletes a post from the database
2900 *
2901 * @param int $pid The thread ID
2902 * @return bool
2903 */
2904function delete_post($pid)
2905{
2906 global $moderation;
2907
2908 if(!is_object($moderation))
2909 {
2910 require_once MYBB_ROOT."inc/class_moderation.php";
2911 $moderation = new Moderation;
2912 }
2913
2914 return $moderation->delete_post($pid);
2915}
2916
2917/**
2918 * Builds a forum jump menu
2919 *
2920 * @param int $pid The parent forum to start with
2921 * @param int $selitem The selected item ID
2922 * @param int $addselect If we need to add select boxes to this cal or not
2923 * @param string $depth The current depth of forums we're at
2924 * @param int $showextras Whether or not to show extra items such as User CP, Forum home
2925 * @param boolean $showall Ignore the showinjump setting and show all forums (for moderation pages)
2926 * @param mixed $permissions deprecated
2927 * @param string $name The name of the forum jump
2928 * @return string Forum jump items
2929 */
2930function build_forum_jump($pid=0, $selitem=0, $addselect=1, $depth="", $showextras=1, $showall=false, $permissions="", $name="fid")
2931{
2932 global $forum_cache, $jumpfcache, $permissioncache, $mybb, $forumjump, $forumjumpbits, $gobutton, $theme, $templates, $lang;
2933
2934 $pid = (int)$pid;
2935
2936 if(!is_array($jumpfcache))
2937 {
2938 if(!is_array($forum_cache))
2939 {
2940 cache_forums();
2941 }
2942
2943 foreach($forum_cache as $fid => $forum)
2944 {
2945 if($forum['active'] != 0)
2946 {
2947 $jumpfcache[$forum['pid']][$forum['disporder']][$forum['fid']] = $forum;
2948 }
2949 }
2950 }
2951
2952 if(!is_array($permissioncache))
2953 {
2954 $permissioncache = forum_permissions();
2955 }
2956
2957 if(isset($jumpfcache[$pid]) && is_array($jumpfcache[$pid]))
2958 {
2959 foreach($jumpfcache[$pid] as $main)
2960 {
2961 foreach($main as $forum)
2962 {
2963 $perms = $permissioncache[$forum['fid']];
2964
2965 if($forum['fid'] != "0" && ($perms['canview'] != 0 || $mybb->settings['hideprivateforums'] == 0) && $forum['linkto'] == '' && ($forum['showinjump'] != 0 || $showall == true))
2966 {
2967 $optionselected = "";
2968
2969 if($selitem == $forum['fid'])
2970 {
2971 $optionselected = 'selected="selected"';
2972 }
2973
2974 $forum['name'] = htmlspecialchars_uni(strip_tags($forum['name']));
2975
2976 eval("\$forumjumpbits .= \"".$templates->get("forumjump_bit")."\";");
2977
2978 if($forum_cache[$forum['fid']])
2979 {
2980 $newdepth = $depth."--";
2981 $forumjumpbits .= build_forum_jump($forum['fid'], $selitem, 0, $newdepth, $showextras, $showall);
2982 }
2983 }
2984 }
2985 }
2986 }
2987
2988 if($addselect)
2989 {
2990 if($showextras == 0)
2991 {
2992 $template = "special";
2993 }
2994 else
2995 {
2996 $template = "advanced";
2997
2998 if(strpos(FORUM_URL, '.html') !== false)
2999 {
3000 $forum_link = "'".str_replace('{fid}', "'+option+'", FORUM_URL)."'";
3001 }
3002 else
3003 {
3004 $forum_link = "'".str_replace('{fid}', "'+option", FORUM_URL);
3005 }
3006 }
3007
3008 eval("\$forumjump = \"".$templates->get("forumjump_".$template)."\";");
3009 }
3010
3011 return $forumjump;
3012}
3013
3014/**
3015 * Returns the extension of a file.
3016 *
3017 * @param string $file The filename.
3018 * @return string The extension of the file.
3019 */
3020function get_extension($file)
3021{
3022 return my_strtolower(my_substr(strrchr($file, "."), 1));
3023}
3024
3025/**
3026 * Generates a random string.
3027 *
3028 * @param int $length The length of the string to generate.
3029 * @param bool $complex Whether to return complex string. Defaults to false
3030 * @return string The random string.
3031 */
3032function random_str($length=8, $complex=false)
3033{
3034 $set = array_merge(range(0, 9), range('A', 'Z'), range('a', 'z'));
3035 $str = array();
3036
3037 // Complex strings have always at least 3 characters, even if $length < 3
3038 if($complex == true)
3039 {
3040 // At least one number
3041 $str[] = $set[my_rand(0, 9)];
3042
3043 // At least one big letter
3044 $str[] = $set[my_rand(10, 35)];
3045
3046 // At least one small letter
3047 $str[] = $set[my_rand(36, 61)];
3048
3049 $length -= 3;
3050 }
3051
3052 for($i = 0; $i < $length; ++$i)
3053 {
3054 $str[] = $set[my_rand(0, 61)];
3055 }
3056
3057 // Make sure they're in random order and convert them to a string
3058 shuffle($str);
3059
3060 return implode($str);
3061}
3062
3063/**
3064 * Formats a username based on their display group
3065 *
3066 * @param string $username The username
3067 * @param int $usergroup The usergroup for the user
3068 * @param int $displaygroup The display group for the user
3069 * @return string The formatted username
3070 */
3071function format_name($username, $usergroup, $displaygroup=0)
3072{
3073 global $groupscache, $cache, $plugins;
3074
3075 static $formattednames = array();
3076
3077 if(!isset($formattednames[$username]))
3078 {
3079 if(!is_array($groupscache))
3080 {
3081 $groupscache = $cache->read("usergroups");
3082 }
3083
3084 if($displaygroup != 0)
3085 {
3086 $usergroup = $displaygroup;
3087 }
3088
3089 $format = "{username}";
3090
3091 if(isset($groupscache[$usergroup]))
3092 {
3093 $ugroup = $groupscache[$usergroup];
3094
3095 if(strpos($ugroup['namestyle'], "{username}") !== false)
3096 {
3097 $format = $ugroup['namestyle'];
3098 }
3099 }
3100
3101 $format = stripslashes($format);
3102
3103 $parameters = compact('username', 'usergroup', 'displaygroup', 'format');
3104
3105 $parameters = $plugins->run_hooks('format_name', $parameters);
3106
3107 $format = $parameters['format'];
3108
3109 $formattednames[$username] = str_replace("{username}", $username, $format);
3110 }
3111
3112 return $formattednames[$username];
3113}
3114
3115/**
3116 * Formats an avatar to a certain dimension
3117 *
3118 * @param string $avatar The avatar file name
3119 * @param string $dimensions Dimensions of the avatar, width x height (e.g. 44|44)
3120 * @param string $max_dimensions The maximum dimensions of the formatted avatar
3121 * @return array Information for the formatted avatar
3122 */
3123function format_avatar($avatar, $dimensions = '', $max_dimensions = '')
3124{
3125 global $mybb, $theme;
3126 static $avatars;
3127
3128 if(!isset($avatars))
3129 {
3130 $avatars = array();
3131 }
3132
3133 if(my_strpos($avatar, '://') !== false && !$mybb->settings['allowremoteavatars'])
3134 {
3135 // Remote avatar, but remote avatars are disallowed.
3136 $avatar = null;
3137 }
3138
3139 if(!$avatar)
3140 {
3141 // Default avatar
3142 if(defined('IN_ADMINCP'))
3143 {
3144 $theme['imgdir'] = '../images';
3145 }
3146
3147 $avatar = str_replace('{theme}', $theme['imgdir'], $mybb->settings['useravatar']);
3148 $dimensions = $mybb->settings['useravatardims'];
3149 }
3150
3151 if(!$max_dimensions)
3152 {
3153 $max_dimensions = $mybb->settings['maxavatardims'];
3154 }
3155
3156 // An empty key wouldn't work so we need to add a fall back
3157 $key = $dimensions;
3158 if(empty($key))
3159 {
3160 $key = 'default';
3161 }
3162 $key2 = $max_dimensions;
3163 if(empty($key2))
3164 {
3165 $key2 = 'default';
3166 }
3167
3168 if(isset($avatars[$avatar][$key][$key2]))
3169 {
3170 return $avatars[$avatar][$key][$key2];
3171 }
3172
3173 $avatar_width_height = '';
3174
3175 if($dimensions)
3176 {
3177 $dimensions = explode("|", $dimensions);
3178
3179 if($dimensions[0] && $dimensions[1])
3180 {
3181 list($max_width, $max_height) = explode('x', $max_dimensions);
3182
3183 if(!empty($max_dimensions) && ($dimensions[0] > $max_width || $dimensions[1] > $max_height))
3184 {
3185 require_once MYBB_ROOT."inc/functions_image.php";
3186 $scaled_dimensions = scale_image($dimensions[0], $dimensions[1], $max_width, $max_height);
3187 $avatar_width_height = "width=\"{$scaled_dimensions['width']}\" height=\"{$scaled_dimensions['height']}\"";
3188 }
3189 else
3190 {
3191 $avatar_width_height = "width=\"{$dimensions[0]}\" height=\"{$dimensions[1]}\"";
3192 }
3193 }
3194 }
3195
3196 $avatars[$avatar][$key][$key2] = array(
3197 'image' => htmlspecialchars_uni($mybb->get_asset_url($avatar)),
3198 'width_height' => $avatar_width_height
3199 );
3200
3201 return $avatars[$avatar][$key][$key2];
3202}
3203
3204/**
3205 * Build the javascript based MyCode inserter.
3206 *
3207 * @param string $bind The ID of the textarea to bind to. Defaults to "message".
3208 * @param bool $smilies Whether to include smilies. Defaults to true.
3209 *
3210 * @return string The MyCode inserter
3211 */
3212function build_mycode_inserter($bind="message", $smilies = true)
3213{
3214 global $db, $mybb, $theme, $templates, $lang, $plugins, $smiliecache, $cache;
3215
3216 if($mybb->settings['bbcodeinserter'] != 0)
3217 {
3218 $editor_lang_strings = array(
3219 "editor_bold" => "Bold",
3220 "editor_italic" => "Italic",
3221 "editor_underline" => "Underline",
3222 "editor_strikethrough" => "Strikethrough",
3223 "editor_subscript" => "Subscript",
3224 "editor_superscript" => "Superscript",
3225 "editor_alignleft" => "Align left",
3226 "editor_center" => "Center",
3227 "editor_alignright" => "Align right",
3228 "editor_justify" => "Justify",
3229 "editor_fontname" => "Font Name",
3230 "editor_fontsize" => "Font Size",
3231 "editor_fontcolor" => "Font Color",
3232 "editor_removeformatting" => "Remove Formatting",
3233 "editor_cut" => "Cut",
3234 "editor_cutnosupport" => "Your browser does not allow the cut command. Please use the keyboard shortcut Ctrl/Cmd-X",
3235 "editor_copy" => "Copy",
3236 "editor_copynosupport" => "Your browser does not allow the copy command. Please use the keyboard shortcut Ctrl/Cmd-C",
3237 "editor_paste" => "Paste",
3238 "editor_pastenosupport" => "Your browser does not allow the paste command. Please use the keyboard shortcut Ctrl/Cmd-V",
3239 "editor_pasteentertext" => "Paste your text inside the following box:",
3240 "editor_pastetext" => "PasteText",
3241 "editor_numlist" => "Numbered list",
3242 "editor_bullist" => "Bullet list",
3243 "editor_undo" => "Undo",
3244 "editor_redo" => "Redo",
3245 "editor_rows" => "Rows:",
3246 "editor_cols" => "Cols:",
3247 "editor_inserttable" => "Insert a table",
3248 "editor_inserthr" => "Insert a horizontal rule",
3249 "editor_code" => "Code",
3250 "editor_width" => "Width (optional):",
3251 "editor_height" => "Height (optional):",
3252 "editor_insertimg" => "Insert an image",
3253 "editor_email" => "E-mail:",
3254 "editor_insertemail" => "Insert an email",
3255 "editor_url" => "URL:",
3256 "editor_insertlink" => "Insert a link",
3257 "editor_unlink" => "Unlink",
3258 "editor_more" => "More",
3259 "editor_insertemoticon" => "Insert an emoticon",
3260 "editor_videourl" => "Video URL:",
3261 "editor_videotype" => "Video Type:",
3262 "editor_insert" => "Insert",
3263 "editor_insertyoutubevideo" => "Insert a YouTube video",
3264 "editor_currentdate" => "Insert current date",
3265 "editor_currenttime" => "Insert current time",
3266 "editor_print" => "Print",
3267 "editor_viewsource" => "View source",
3268 "editor_description" => "Description (optional):",
3269 "editor_enterimgurl" => "Enter the image URL:",
3270 "editor_enteremail" => "Enter the e-mail address:",
3271 "editor_enterdisplayedtext" => "Enter the displayed text:",
3272 "editor_enterurl" => "Enter URL:",
3273 "editor_enteryoutubeurl" => "Enter the YouTube video URL or ID:",
3274 "editor_insertquote" => "Insert a Quote",
3275 "editor_invalidyoutube" => "Invalid YouTube video",
3276 "editor_dailymotion" => "Dailymotion",
3277 "editor_metacafe" => "MetaCafe",
3278 "editor_veoh" => "Veoh",
3279 "editor_vimeo" => "Vimeo",
3280 "editor_youtube" => "Youtube",
3281 "editor_facebook" => "Facebook",
3282 "editor_liveleak" => "LiveLeak",
3283 "editor_insertvideo" => "Insert a video",
3284 "editor_php" => "PHP",
3285 "editor_maximize" => "Maximize"
3286 );
3287 $editor_language = "(function ($) {\n$.sceditor.locale[\"mybblang\"] = {\n";
3288
3289 $editor_lang_strings = $plugins->run_hooks("mycode_add_codebuttons", $editor_lang_strings);
3290
3291 $editor_languages_count = count($editor_lang_strings);
3292 $i = 0;
3293 foreach($editor_lang_strings as $lang_string => $key)
3294 {
3295 $i++;
3296 $js_lang_string = str_replace("\"", "\\\"", $key);
3297 $string = str_replace("\"", "\\\"", $lang->$lang_string);
3298 $editor_language .= "\t\"{$js_lang_string}\": \"{$string}\"";
3299
3300 if($i < $editor_languages_count)
3301 {
3302 $editor_language .= ",";
3303 }
3304
3305 $editor_language .= "\n";
3306 }
3307
3308 $editor_language .= "}})(jQuery);";
3309
3310 if(defined("IN_ADMINCP"))
3311 {
3312 global $page;
3313 $codeinsert = $page->build_codebuttons_editor($bind, $editor_language, $smilies);
3314 }
3315 else
3316 {
3317 // Smilies
3318 $emoticon = "";
3319 $emoticons_enabled = "false";
3320 if($smilies)
3321 {
3322 if(!$smiliecache)
3323 {
3324 if(!isset($smilie_cache) || !is_array($smilie_cache))
3325 {
3326 $smilie_cache = $cache->read("smilies");
3327 }
3328 foreach($smilie_cache as $smilie)
3329 {
3330 $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']);
3331 $smiliecache[$smilie['sid']] = $smilie;
3332 }
3333 }
3334
3335 if($mybb->settings['smilieinserter'] && $mybb->settings['smilieinsertercols'] && $mybb->settings['smilieinsertertot'] && !empty($smiliecache))
3336 {
3337 $emoticon = ",emoticon";
3338 }
3339 $emoticons_enabled = "true";
3340
3341 unset($smilie);
3342
3343 if(is_array($smiliecache))
3344 {
3345 reset($smiliecache);
3346
3347 $dropdownsmilies = $moresmilies = $hiddensmilies = "";
3348 $i = 0;
3349
3350 foreach($smiliecache as $smilie)
3351 {
3352 $finds = explode("\n", $smilie['find']);
3353 $finds_count = count($finds);
3354
3355 // Only show the first text to replace in the box
3356 $smilie['find'] = $finds[0];
3357
3358 $find = str_replace(array('\\', '"'), array('\\\\', '\"'), htmlspecialchars_uni($smilie['find']));
3359 $image = htmlspecialchars_uni($mybb->get_asset_url($smilie['image']));
3360 $image = str_replace(array('\\', '"'), array('\\\\', '\"'), $image);
3361
3362 if(!$mybb->settings['smilieinserter'] || !$mybb->settings['smilieinsertercols'] || !$mybb->settings['smilieinsertertot'] || !$smilie['showclickable'])
3363 {
3364 $hiddensmilies .= '"'.$find.'": "'.$image.'",';
3365 }
3366 elseif($i < $mybb->settings['smilieinsertertot'])
3367 {
3368 $dropdownsmilies .= '"'.$find.'": "'.$image.'",';
3369 ++$i;
3370 }
3371 else
3372 {
3373 $moresmilies .= '"'.$find.'": "'.$image.'",';
3374 }
3375
3376 for($j = 1; $j < $finds_count; ++$j)
3377 {
3378 $find = str_replace(array('\\', '"'), array('\\\\', '\"'), htmlspecialchars_uni($finds[$j]));
3379 $hiddensmilies .= '"'.$find.'": "'.$image.'",';
3380 }
3381 }
3382 }
3383 }
3384
3385 $basic1 = $basic2 = $align = $font = $size = $color = $removeformat = $email = $link = $list = $code = $sourcemode = "";
3386
3387 if($mybb->settings['allowbasicmycode'] == 1)
3388 {
3389 $basic1 = "bold,italic,underline,strike|";
3390 $basic2 = "horizontalrule,";
3391 }
3392
3393 if($mybb->settings['allowalignmycode'] == 1)
3394 {
3395 $align = "left,center,right,justify|";
3396 }
3397
3398 if($mybb->settings['allowfontmycode'] == 1)
3399 {
3400 $font = "font,";
3401 }
3402
3403 if($mybb->settings['allowsizemycode'] == 1)
3404 {
3405 $size = "size,";
3406 }
3407
3408 if($mybb->settings['allowcolormycode'] == 1)
3409 {
3410 $color = "color,";
3411 }
3412
3413 if($mybb->settings['allowfontmycode'] == 1 || $mybb->settings['allowsizemycode'] == 1 || $mybb->settings['allowcolormycode'] == 1)
3414 {
3415 $removeformat = "removeformat|";
3416 }
3417
3418 if($mybb->settings['allowemailmycode'] == 1)
3419 {
3420 $email = "email,";
3421 }
3422
3423 if($mybb->settings['allowlinkmycode'] == 1)
3424 {
3425 $link = "link,unlink";
3426 }
3427
3428 if($mybb->settings['allowlistmycode'] == 1)
3429 {
3430 $list = "bulletlist,orderedlist|";
3431 }
3432
3433 if($mybb->settings['allowcodemycode'] == 1)
3434 {
3435 $code = "code,php,";
3436 }
3437
3438 if($mybb->user['sourceeditor'] == 1)
3439 {
3440 $sourcemode = "MyBBEditor.sourceMode(true);";
3441 }
3442
3443 eval("\$codeinsert = \"".$templates->get("codebuttons")."\";");
3444 }
3445 }
3446
3447 return $codeinsert;
3448}
3449
3450/**
3451 * Build the javascript clickable smilie inserter
3452 *
3453 * @return string The clickable smilies list
3454 */
3455function build_clickable_smilies()
3456{
3457 global $cache, $smiliecache, $theme, $templates, $lang, $mybb, $smiliecount;
3458
3459 if($mybb->settings['smilieinserter'] != 0 && $mybb->settings['smilieinsertercols'] && $mybb->settings['smilieinsertertot'])
3460 {
3461 if(!$smiliecount)
3462 {
3463 $smilie_cache = $cache->read("smilies");
3464 $smiliecount = count($smilie_cache);
3465 }
3466
3467 if(!$smiliecache)
3468 {
3469 if(!is_array($smilie_cache))
3470 {
3471 $smilie_cache = $cache->read("smilies");
3472 }
3473 foreach($smilie_cache as $smilie)
3474 {
3475 $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']);
3476 $smiliecache[$smilie['sid']] = $smilie;
3477 }
3478 }
3479
3480 unset($smilie);
3481
3482 if(is_array($smiliecache))
3483 {
3484 reset($smiliecache);
3485
3486 $getmore = '';
3487 if($mybb->settings['smilieinsertertot'] >= $smiliecount)
3488 {
3489 $mybb->settings['smilieinsertertot'] = $smiliecount;
3490 }
3491 else if($mybb->settings['smilieinsertertot'] < $smiliecount)
3492 {
3493 $smiliecount = $mybb->settings['smilieinsertertot'];
3494 eval("\$getmore = \"".$templates->get("smilieinsert_getmore")."\";");
3495 }
3496
3497 $smilies = '';
3498 $counter = 0;
3499 $i = 0;
3500
3501 $extra_class = '';
3502 foreach($smiliecache as $smilie)
3503 {
3504 if($i < $mybb->settings['smilieinsertertot'] && $smilie['showclickable'] != 0)
3505 {
3506 $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']);
3507 $smilie['image'] = htmlspecialchars_uni($mybb->get_asset_url($smilie['image']));
3508 $smilie['name'] = htmlspecialchars_uni($smilie['name']);
3509
3510 // Only show the first text to replace in the box
3511 $temp = explode("\n", $smilie['find']); // assign to temporary variable for php 5.3 compatibility
3512 $smilie['find'] = $temp[0];
3513
3514 $find = str_replace(array('\\', "'"), array('\\\\', "\'"), htmlspecialchars_uni($smilie['find']));
3515
3516 $onclick = " onclick=\"MyBBEditor.insertText(' $find ');\"";
3517 $extra_class = ' smilie_pointer';
3518 eval('$smilie = "'.$templates->get('smilie', 1, 0).'";');
3519 eval("\$smilie_icons .= \"".$templates->get("smilieinsert_smilie")."\";");
3520 ++$i;
3521 ++$counter;
3522
3523 if($counter == $mybb->settings['smilieinsertercols'])
3524 {
3525 $counter = 0;
3526 eval("\$smilies .= \"".$templates->get("smilieinsert_row")."\";");
3527 $smilie_icons = '';
3528 }
3529 }
3530 }
3531
3532 if($counter != 0)
3533 {
3534 $colspan = $mybb->settings['smilieinsertercols'] - $counter;
3535 eval("\$smilies .= \"".$templates->get("smilieinsert_row_empty")."\";");
3536 }
3537
3538 eval("\$clickablesmilies = \"".$templates->get("smilieinsert")."\";");
3539 }
3540 else
3541 {
3542 $clickablesmilies = "";
3543 }
3544 }
3545 else
3546 {
3547 $clickablesmilies = "";
3548 }
3549
3550 return $clickablesmilies;
3551}
3552
3553/**
3554 * Builds thread prefixes and returns a selected prefix (or all)
3555 *
3556 * @param int $pid The prefix ID (0 to return all)
3557 * @return array The thread prefix's values (or all thread prefixes)
3558 */
3559function build_prefixes($pid=0)
3560{
3561 global $cache;
3562 static $prefixes_cache;
3563
3564 if(is_array($prefixes_cache))
3565 {
3566 if($pid > 0 && is_array($prefixes_cache[$pid]))
3567 {
3568 return $prefixes_cache[$pid];
3569 }
3570
3571 return $prefixes_cache;
3572 }
3573
3574 $prefix_cache = $cache->read("threadprefixes");
3575
3576 if(!is_array($prefix_cache))
3577 {
3578 // No cache
3579 $prefix_cache = $cache->read("threadprefixes", true);
3580
3581 if(!is_array($prefix_cache))
3582 {
3583 return array();
3584 }
3585 }
3586
3587 $prefixes_cache = array();
3588 foreach($prefix_cache as $prefix)
3589 {
3590 $prefixes_cache[$prefix['pid']] = $prefix;
3591 }
3592
3593 if($pid != 0 && is_array($prefixes_cache[$pid]))
3594 {
3595 return $prefixes_cache[$pid];
3596 }
3597 else if(!empty($prefixes_cache))
3598 {
3599 return $prefixes_cache;
3600 }
3601
3602 return false;
3603}
3604
3605/**
3606 * Build the thread prefix selection menu for the current user
3607 *
3608 * @param int|string $fid The forum ID (integer ID or string all)
3609 * @param int|string $selected_pid The selected prefix ID (integer ID or string any)
3610 * @param int $multiple Allow multiple prefix selection
3611 * @param int $previous_pid The previously selected prefix ID
3612 * @return string The thread prefix selection menu
3613 */
3614function build_prefix_select($fid, $selected_pid=0, $multiple=0, $previous_pid=0)
3615{
3616 global $cache, $db, $lang, $mybb, $templates;
3617
3618 if($fid != 'all')
3619 {
3620 $fid = (int)$fid;
3621 }
3622
3623 $prefix_cache = build_prefixes(0);
3624 if(empty($prefix_cache))
3625 {
3626 // We've got no prefixes to show
3627 return '';
3628 }
3629
3630 // Go through each of our prefixes and decide which ones we can use
3631 $prefixes = array();
3632 foreach($prefix_cache as $prefix)
3633 {
3634 if($fid != "all" && $prefix['forums'] != "-1")
3635 {
3636 // Decide whether this prefix can be used in our forum
3637 $forums = explode(",", $prefix['forums']);
3638
3639 if(!in_array($fid, $forums) && $prefix['pid'] != $previous_pid)
3640 {
3641 // This prefix is not in our forum list
3642 continue;
3643 }
3644 }
3645
3646 if(is_member($prefix['groups']) || $prefix['pid'] == $previous_pid)
3647 {
3648 // The current user can use this prefix
3649 $prefixes[$prefix['pid']] = $prefix;
3650 }
3651 }
3652
3653 if(empty($prefixes))
3654 {
3655 return '';
3656 }
3657
3658 $prefixselect = $prefixselect_prefix = '';
3659
3660 if($multiple == 1)
3661 {
3662 $any_selected = "";
3663 if($selected_pid == 'any')
3664 {
3665 $any_selected = " selected=\"selected\"";
3666 }
3667 }
3668
3669 $default_selected = "";
3670 if(((int)$selected_pid == 0) && $selected_pid != 'any')
3671 {
3672 $default_selected = " selected=\"selected\"";
3673 }
3674
3675 foreach($prefixes as $prefix)
3676 {
3677 $selected = "";
3678 if($prefix['pid'] == $selected_pid)
3679 {
3680 $selected = " selected=\"selected\"";
3681 }
3682
3683 $prefix['prefix'] = htmlspecialchars_uni($prefix['prefix']);
3684 eval("\$prefixselect_prefix .= \"".$templates->get("post_prefixselect_prefix")."\";");
3685 }
3686
3687 if($multiple != 0)
3688 {
3689 eval("\$prefixselect = \"".$templates->get("post_prefixselect_multiple")."\";");
3690 }
3691 else
3692 {
3693 eval("\$prefixselect = \"".$templates->get("post_prefixselect_single")."\";");
3694 }
3695
3696 return $prefixselect;
3697}
3698
3699/**
3700 * Build the thread prefix selection menu for a forum without group permission checks
3701 *
3702 * @param int $fid The forum ID (integer ID)
3703 * @param int $selected_pid The selected prefix ID (integer ID)
3704 * @return string The thread prefix selection menu
3705 */
3706function build_forum_prefix_select($fid, $selected_pid=0)
3707{
3708 global $cache, $db, $lang, $mybb, $templates;
3709
3710 $fid = (int)$fid;
3711
3712 $prefix_cache = build_prefixes(0);
3713 if(empty($prefix_cache))
3714 {
3715 // We've got no prefixes to show
3716 return '';
3717 }
3718
3719 // Go through each of our prefixes and decide which ones we can use
3720 $prefixes = array();
3721 foreach($prefix_cache as $prefix)
3722 {
3723 if($prefix['forums'] != "-1")
3724 {
3725 // Decide whether this prefix can be used in our forum
3726 $forums = explode(",", $prefix['forums']);
3727
3728 if(in_array($fid, $forums))
3729 {
3730 // This forum can use this prefix!
3731 $prefixes[$prefix['pid']] = $prefix;
3732 }
3733 }
3734 else
3735 {
3736 // This prefix is for anybody to use...
3737 $prefixes[$prefix['pid']] = $prefix;
3738 }
3739 }
3740
3741 if(empty($prefixes))
3742 {
3743 return '';
3744 }
3745
3746 $default_selected = array();
3747 $selected_pid = (int)$selected_pid;
3748
3749 if($selected_pid == 0)
3750 {
3751 $default_selected['all'] = ' selected="selected"';
3752 }
3753 else if($selected_pid == -1)
3754 {
3755 $default_selected['none'] = ' selected="selected"';
3756 }
3757 else if($selected_pid == -2)
3758 {
3759 $default_selected['any'] = ' selected="selected"';
3760 }
3761
3762 foreach($prefixes as $prefix)
3763 {
3764 $selected = '';
3765 if($prefix['pid'] == $selected_pid)
3766 {
3767 $selected = ' selected="selected"';
3768 }
3769
3770 $prefix['prefix'] = htmlspecialchars_uni($prefix['prefix']);
3771 eval('$prefixselect_prefix .= "'.$templates->get("forumdisplay_threadlist_prefixes_prefix").'";');
3772 }
3773
3774 eval('$prefixselect = "'.$templates->get("forumdisplay_threadlist_prefixes").'";');
3775 return $prefixselect;
3776}
3777
3778/**
3779 * Gzip encodes text to a specified level
3780 *
3781 * @param string $contents The string to encode
3782 * @param int $level The level (1-9) to encode at
3783 * @return string The encoded string
3784 */
3785function gzip_encode($contents, $level=1)
3786{
3787 if(function_exists("gzcompress") && function_exists("crc32") && !headers_sent() && !(ini_get('output_buffering') && my_strpos(' '.ini_get('output_handler'), 'ob_gzhandler')))
3788 {
3789 $httpaccept_encoding = '';
3790
3791 if(isset($_SERVER['HTTP_ACCEPT_ENCODING']))
3792 {
3793 $httpaccept_encoding = $_SERVER['HTTP_ACCEPT_ENCODING'];
3794 }
3795
3796 if(my_strpos(" ".$httpaccept_encoding, "x-gzip"))
3797 {
3798 $encoding = "x-gzip";
3799 }
3800
3801 if(my_strpos(" ".$httpaccept_encoding, "gzip"))
3802 {
3803 $encoding = "gzip";
3804 }
3805
3806 if(isset($encoding))
3807 {
3808 header("Content-Encoding: $encoding");
3809
3810 if(function_exists("gzencode"))
3811 {
3812 $contents = gzencode($contents, $level);
3813 }
3814 else
3815 {
3816 $size = strlen($contents);
3817 $crc = crc32($contents);
3818 $gzdata = "\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff";
3819 $gzdata .= my_substr(gzcompress($contents, $level), 2, -4);
3820 $gzdata .= pack("V", $crc);
3821 $gzdata .= pack("V", $size);
3822 $contents = $gzdata;
3823 }
3824 }
3825 }
3826
3827 return $contents;
3828}
3829
3830/**
3831 * Log the actions of a moderator.
3832 *
3833 * @param array $data The data of the moderator's action.
3834 * @param string $action The message to enter for the action the moderator performed.
3835 */
3836function log_moderator_action($data, $action="")
3837{
3838 global $mybb, $db, $session;
3839
3840 $fid = 0;
3841 if(isset($data['fid']))
3842 {
3843 $fid = (int)$data['fid'];
3844 unset($data['fid']);
3845 }
3846
3847 $tid = 0;
3848 if(isset($data['tid']))
3849 {
3850 $tid = (int)$data['tid'];
3851 unset($data['tid']);
3852 }
3853
3854 $pid = 0;
3855 if(isset($data['pid']))
3856 {
3857 $pid = (int)$data['pid'];
3858 unset($data['pid']);
3859 }
3860
3861 $tids = array();
3862 if(isset($data['tids']))
3863 {
3864 $tids = (array)$data['tids'];
3865 unset($data['tids']);
3866 }
3867
3868 // Any remaining extra data - we my_serialize and insert in to its own column
3869 if(is_array($data))
3870 {
3871 $data = my_serialize($data);
3872 }
3873
3874 $sql_array = array(
3875 "uid" => (int)$mybb->user['uid'],
3876 "dateline" => TIME_NOW,
3877 "fid" => (int)$fid,
3878 "tid" => $tid,
3879 "pid" => $pid,
3880 "action" => $db->escape_string($action),
3881 "data" => $db->escape_string($data),
3882 "ipaddress" => $db->escape_binary($session->packedip)
3883 );
3884
3885 if($tids)
3886 {
3887 $multiple_sql_array = array();
3888
3889 foreach($tids as $tid)
3890 {
3891 $sql_array['tid'] = (int)$tid;
3892 $multiple_sql_array[] = $sql_array;
3893 }
3894
3895 $db->insert_query_multiple("moderatorlog", $multiple_sql_array);
3896 }
3897 else
3898 {
3899 $db->insert_query("moderatorlog", $sql_array);
3900 }
3901}
3902
3903/**
3904 * Get the formatted reputation for a user.
3905 *
3906 * @param int $reputation The reputation value
3907 * @param int $uid The user ID (if not specified, the generated reputation will not be a link)
3908 * @return string The formatted repuation
3909 */
3910function get_reputation($reputation, $uid=0)
3911{
3912 global $theme, $templates;
3913
3914 $display_reputation = $reputation_class = '';
3915 if($reputation < 0)
3916 {
3917 $reputation_class = "reputation_negative";
3918 }
3919 elseif($reputation > 0)
3920 {
3921 $reputation_class = "reputation_positive";
3922 }
3923 else
3924 {
3925 $reputation_class = "reputation_neutral";
3926 }
3927
3928 $reputation = my_number_format($reputation);
3929
3930 if($uid != 0)
3931 {
3932 eval("\$display_reputation = \"".$templates->get("postbit_reputation_formatted_link")."\";");
3933 }
3934 else
3935 {
3936 eval("\$display_reputation = \"".$templates->get("postbit_reputation_formatted")."\";");
3937 }
3938
3939 return $display_reputation;
3940}
3941
3942/**
3943 * Fetch a color coded version of a warning level (based on it's percentage)
3944 *
3945 * @param int $level The warning level (percentage of 100)
3946 * @return string Formatted warning level
3947 */
3948function get_colored_warning_level($level)
3949{
3950 global $templates;
3951
3952 $warning_class = '';
3953 if($level >= 80)
3954 {
3955 $warning_class = "high_warning";
3956 }
3957 else if($level >= 50)
3958 {
3959 $warning_class = "moderate_warning";
3960 }
3961 else if($level >= 25)
3962 {
3963 $warning_class = "low_warning";
3964 }
3965 else
3966 {
3967 $warning_class = "normal_warning";
3968 }
3969
3970 eval("\$level = \"".$templates->get("postbit_warninglevel_formatted")."\";");
3971 return $level;
3972}
3973
3974/**
3975 * Fetch the IP address of the current user.
3976 *
3977 * @return string The IP address.
3978 */
3979function get_ip()
3980{
3981 global $mybb, $plugins;
3982
3983 $ip = strtolower($_SERVER['REMOTE_ADDR']);
3984
3985 if($mybb->settings['ip_forwarded_check'])
3986 {
3987 $addresses = array();
3988
3989 if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
3990 {
3991 $addresses = explode(',', strtolower($_SERVER['HTTP_X_FORWARDED_FOR']));
3992 }
3993 elseif(isset($_SERVER['HTTP_X_REAL_IP']))
3994 {
3995 $addresses = explode(',', strtolower($_SERVER['HTTP_X_REAL_IP']));
3996 }
3997
3998 if(is_array($addresses))
3999 {
4000 foreach($addresses as $val)
4001 {
4002 $val = trim($val);
4003 // Validate IP address and exclude private addresses
4004 if(my_inet_ntop(my_inet_pton($val)) == $val && !preg_match("#^(10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.|192\.168\.|fe80:|fe[c-f][0-f]:|f[c-d][0-f]{2}:)#", $val))
4005 {
4006 $ip = $val;
4007 break;
4008 }
4009 }
4010 }
4011 }
4012
4013 if(!$ip)
4014 {
4015 if(isset($_SERVER['HTTP_CLIENT_IP']))
4016 {
4017 $ip = strtolower($_SERVER['HTTP_CLIENT_IP']);
4018 }
4019 }
4020
4021 if($plugins)
4022 {
4023 $ip_array = array("ip" => &$ip); // Used for backwards compatibility on this hook with the updated run_hooks() function.
4024 $plugins->run_hooks("get_ip", $ip_array);
4025 }
4026
4027 return $ip;
4028}
4029
4030/**
4031 * Fetch the friendly size (GB, MB, KB, B) for a specified file size.
4032 *
4033 * @param int $size The size in bytes
4034 * @return string The friendly file size
4035 */
4036function get_friendly_size($size)
4037{
4038 global $lang;
4039
4040 if(!is_numeric($size))
4041 {
4042 return $lang->na;
4043 }
4044
4045 // Yottabyte (1024 Zettabytes)
4046 if($size >= 1208925819614629174706176)
4047 {
4048 $size = my_number_format(round(($size / 1208925819614629174706176), 2))." ".$lang->size_yb;
4049 }
4050 // Zetabyte (1024 Exabytes)
4051 elseif($size >= 1180591620717411303424)
4052 {
4053 $size = my_number_format(round(($size / 1180591620717411303424), 2))." ".$lang->size_zb;
4054 }
4055 // Exabyte (1024 Petabytes)
4056 elseif($size >= 1152921504606846976)
4057 {
4058 $size = my_number_format(round(($size / 1152921504606846976), 2))." ".$lang->size_eb;
4059 }
4060 // Petabyte (1024 Terabytes)
4061 elseif($size >= 1125899906842624)
4062 {
4063 $size = my_number_format(round(($size / 1125899906842624), 2))." ".$lang->size_pb;
4064 }
4065 // Terabyte (1024 Gigabytes)
4066 elseif($size >= 1099511627776)
4067 {
4068 $size = my_number_format(round(($size / 1099511627776), 2))." ".$lang->size_tb;
4069 }
4070 // Gigabyte (1024 Megabytes)
4071 elseif($size >= 1073741824)
4072 {
4073 $size = my_number_format(round(($size / 1073741824), 2))." ".$lang->size_gb;
4074 }
4075 // Megabyte (1024 Kilobytes)
4076 elseif($size >= 1048576)
4077 {
4078 $size = my_number_format(round(($size / 1048576), 2))." ".$lang->size_mb;
4079 }
4080 // Kilobyte (1024 bytes)
4081 elseif($size >= 1024)
4082 {
4083 $size = my_number_format(round(($size / 1024), 2))." ".$lang->size_kb;
4084 }
4085 elseif($size == 0)
4086 {
4087 $size = "0 ".$lang->size_bytes;
4088 }
4089 else
4090 {
4091 $size = my_number_format($size)." ".$lang->size_bytes;
4092 }
4093
4094 return $size;
4095}
4096
4097/**
4098 * Format a decimal number in to microseconds, milliseconds, or seconds.
4099 *
4100 * @param int $time The time in microseconds
4101 * @return string The friendly time duration
4102 */
4103function format_time_duration($time)
4104{
4105 global $lang;
4106
4107 if(!is_numeric($time))
4108 {
4109 return $lang->na;
4110 }
4111
4112 if(round(1000000 * $time, 2) < 1000)
4113 {
4114 $time = number_format(round(1000000 * $time, 2))." μs";
4115 }
4116 elseif(round(1000000 * $time, 2) >= 1000 && round(1000000 * $time, 2) < 1000000)
4117 {
4118 $time = number_format(round((1000 * $time), 2))." ms";
4119 }
4120 else
4121 {
4122 $time = round($time, 3)." seconds";
4123 }
4124
4125 return $time;
4126}
4127
4128/**
4129 * Get the attachment icon for a specific file extension
4130 *
4131 * @param string $ext The file extension
4132 * @return string The attachment icon
4133 */
4134function get_attachment_icon($ext)
4135{
4136 global $cache, $attachtypes, $theme, $templates, $lang, $mybb;
4137
4138 if(!$attachtypes)
4139 {
4140 $attachtypes = $cache->read("attachtypes");
4141 }
4142
4143 $ext = my_strtolower($ext);
4144
4145 if($attachtypes[$ext]['icon'])
4146 {
4147 static $attach_icons_schemes = array();
4148 if(!isset($attach_icons_schemes[$ext]))
4149 {
4150 $attach_icons_schemes[$ext] = parse_url($attachtypes[$ext]['icon']);
4151 if(!empty($attach_icons_schemes[$ext]['scheme']))
4152 {
4153 $attach_icons_schemes[$ext] = $attachtypes[$ext]['icon'];
4154 }
4155 elseif(defined("IN_ADMINCP"))
4156 {
4157 $attach_icons_schemes[$ext] = str_replace("{theme}", "", $attachtypes[$ext]['icon']);
4158 if(my_substr($attach_icons_schemes[$ext], 0, 1) != "/")
4159 {
4160 $attach_icons_schemes[$ext] = "../".$attach_icons_schemes[$ext];
4161 }
4162 }
4163 elseif(defined("IN_PORTAL"))
4164 {
4165 global $change_dir;
4166 $attach_icons_schemes[$ext] = $change_dir."/".str_replace("{theme}", $theme['imgdir'], $attachtypes[$ext]['icon']);
4167 $attach_icons_schemes[$ext] = $mybb->get_asset_url($attach_icons_schemes[$ext]);
4168 }
4169 else
4170 {
4171 $attach_icons_schemes[$ext] = str_replace("{theme}", $theme['imgdir'], $attachtypes[$ext]['icon']);
4172 $attach_icons_schemes[$ext] = $mybb->get_asset_url($attach_icons_schemes[$ext]);
4173 }
4174 }
4175
4176 $icon = $attach_icons_schemes[$ext];
4177
4178 $name = htmlspecialchars_uni($attachtypes[$ext]['name']);
4179 }
4180 else
4181 {
4182 if(defined("IN_ADMINCP"))
4183 {
4184 $theme['imgdir'] = "../images";
4185 }
4186 else if(defined("IN_PORTAL"))
4187 {
4188 global $change_dir;
4189 $theme['imgdir'] = "{$change_dir}/images";
4190 }
4191
4192 $icon = "{$theme['imgdir']}/attachtypes/unknown.png";
4193
4194 $name = $lang->unknown;
4195 }
4196
4197 $icon = htmlspecialchars_uni($icon);
4198 eval("\$attachment_icon = \"".$templates->get("attachment_icon")."\";");
4199 return $attachment_icon;
4200}
4201
4202/**
4203 * Get a list of the unviewable forums for the current user
4204 *
4205 * @param boolean $only_readable_threads Set to true to only fetch those forums for which users can actually read a thread in.
4206 * @return string Comma separated values list of the forum IDs which the user cannot view
4207 */
4208function get_unviewable_forums($only_readable_threads=false)
4209{
4210 global $forum_cache, $permissioncache, $mybb;
4211
4212 if(!is_array($forum_cache))
4213 {
4214 cache_forums();
4215 }
4216
4217 if(!is_array($permissioncache))
4218 {
4219 $permissioncache = forum_permissions();
4220 }
4221
4222 $password_forums = $unviewable = array();
4223 foreach($forum_cache as $fid => $forum)
4224 {
4225 if($permissioncache[$forum['fid']])
4226 {
4227 $perms = $permissioncache[$forum['fid']];
4228 }
4229 else
4230 {
4231 $perms = $mybb->usergroup;
4232 }
4233
4234 $pwverified = 1;
4235
4236 if($forum['password'] != "")
4237 {
4238 if($mybb->cookies['forumpass'][$forum['fid']] !== md5($mybb->user['uid'].$forum['password']))
4239 {
4240 $pwverified = 0;
4241 }
4242
4243 $password_forums[$forum['fid']] = $forum['password'];
4244 }
4245 else
4246 {
4247 // Check parents for passwords
4248 $parents = explode(",", $forum['parentlist']);
4249 foreach($parents as $parent)
4250 {
4251 if(isset($password_forums[$parent]) && $mybb->cookies['forumpass'][$parent] !== md5($mybb->user['uid'].$password_forums[$parent]))
4252 {
4253 $pwverified = 0;
4254 }
4255 }
4256 }
4257
4258 if($perms['canview'] == 0 || $pwverified == 0 || ($only_readable_threads == true && $perms['canviewthreads'] == 0))
4259 {
4260 $unviewable[] = $forum['fid'];
4261 }
4262 }
4263
4264 $unviewableforums = implode(',', $unviewable);
4265
4266 return $unviewableforums;
4267}
4268
4269/**
4270 * Fixes mktime for dates earlier than 1970
4271 *
4272 * @param string $format The date format to use
4273 * @param int $year The year of the date
4274 * @return string The correct date format
4275 */
4276function fix_mktime($format, $year)
4277{
4278 // Our little work around for the date < 1970 thing.
4279 // -2 idea provided by Matt Light (http://www.mephex.com)
4280 $format = str_replace("Y", $year, $format);
4281 $format = str_replace("y", my_substr($year, -2), $format);
4282
4283 return $format;
4284}
4285
4286/**
4287 * Build the breadcrumb navigation trail from the specified items
4288 *
4289 * @return string The formatted breadcrumb navigation trail
4290 */
4291function build_breadcrumb()
4292{
4293 global $nav, $navbits, $templates, $theme, $lang, $mybb;
4294
4295 eval("\$navsep = \"".$templates->get("nav_sep")."\";");
4296
4297 $i = 0;
4298 $activesep = '';
4299
4300 if(is_array($navbits))
4301 {
4302 reset($navbits);
4303 foreach($navbits as $key => $navbit)
4304 {
4305 if(isset($navbits[$key+1]))
4306 {
4307 if(isset($navbits[$key+2]))
4308 {
4309 $sep = $navsep;
4310 }
4311 else
4312 {
4313 $sep = "";
4314 }
4315
4316 $multipage = null;
4317 $multipage_dropdown = null;
4318 if(!empty($navbit['multipage']))
4319 {
4320 if(!$mybb->settings['threadsperpage'] || (int)$mybb->settings['threadsperpage'] < 1)
4321 {
4322 $mybb->settings['threadsperpage'] = 20;
4323 }
4324
4325 $multipage = multipage($navbit['multipage']['num_threads'], $mybb->settings['threadsperpage'], $navbit['multipage']['current_page'], $navbit['multipage']['url'], true);
4326 if($multipage)
4327 {
4328 ++$i;
4329 eval("\$multipage_dropdown = \"".$templates->get("nav_dropdown")."\";");
4330 $sep = $multipage_dropdown.$sep;
4331 }
4332 }
4333
4334 // Replace page 1 URLs
4335 $navbit['url'] = str_replace("-page-1.html", ".html", $navbit['url']);
4336 $navbit['url'] = preg_replace("/&page=1$/", "", $navbit['url']);
4337
4338 eval("\$nav .= \"".$templates->get("nav_bit")."\";");
4339 }
4340 }
4341 }
4342
4343 $activesep = '';
4344 $navsize = count($navbits);
4345 $navbit = $navbits[$navsize-1];
4346
4347 if($nav)
4348 {
4349 eval("\$activesep = \"".$templates->get("nav_sep_active")."\";");
4350 }
4351
4352 eval("\$activebit = \"".$templates->get("nav_bit_active")."\";");
4353 eval("\$donenav = \"".$templates->get("nav")."\";");
4354
4355 return $donenav;
4356}
4357
4358/**
4359 * Add a breadcrumb menu item to the list.
4360 *
4361 * @param string $name The name of the item to add
4362 * @param string $url The URL of the item to add
4363 */
4364function add_breadcrumb($name, $url="")
4365{
4366 global $navbits;
4367
4368 $navsize = count($navbits);
4369 $navbits[$navsize]['name'] = $name;
4370 $navbits[$navsize]['url'] = $url;
4371}
4372
4373/**
4374 * Build the forum breadcrumb nagiation (the navigation to a specific forum including all parent forums)
4375 *
4376 * @param int $fid The forum ID to build the navigation for
4377 * @param array $multipage The multipage drop down array of information
4378 * @return int Returns 1 in every case. Kept for compatibility
4379 */
4380function build_forum_breadcrumb($fid, $multipage=array())
4381{
4382 global $pforumcache, $currentitem, $forum_cache, $navbits, $lang, $base_url, $archiveurl;
4383
4384 if(!$pforumcache)
4385 {
4386 if(!is_array($forum_cache))
4387 {
4388 cache_forums();
4389 }
4390
4391 foreach($forum_cache as $key => $val)
4392 {
4393 $pforumcache[$val['fid']][$val['pid']] = $val;
4394 }
4395 }
4396
4397 if(is_array($pforumcache[$fid]))
4398 {
4399 foreach($pforumcache[$fid] as $key => $forumnav)
4400 {
4401 if($fid == $forumnav['fid'])
4402 {
4403 if(!empty($pforumcache[$forumnav['pid']]))
4404 {
4405 build_forum_breadcrumb($forumnav['pid']);
4406 }
4407
4408 $navsize = count($navbits);
4409 // Convert & to &
4410 $navbits[$navsize]['name'] = preg_replace("#&(?!\#[0-9]+;)#si", "&", $forumnav['name']);
4411
4412 if(defined("IN_ARCHIVE"))
4413 {
4414 // Set up link to forum in breadcrumb.
4415 if($pforumcache[$fid][$forumnav['pid']]['type'] == 'f' || $pforumcache[$fid][$forumnav['pid']]['type'] == 'c')
4416 {
4417 $navbits[$navsize]['url'] = "{$base_url}forum-".$forumnav['fid'].".html";
4418 }
4419 else
4420 {
4421 $navbits[$navsize]['url'] = $archiveurl."/index.php";
4422 }
4423 }
4424 elseif(!empty($multipage))
4425 {
4426 $navbits[$navsize]['url'] = get_forum_link($forumnav['fid'], $multipage['current_page']);
4427
4428 $navbits[$navsize]['multipage'] = $multipage;
4429 $navbits[$navsize]['multipage']['url'] = str_replace('{fid}', $forumnav['fid'], FORUM_URL_PAGED);
4430 }
4431 else
4432 {
4433 $navbits[$navsize]['url'] = get_forum_link($forumnav['fid']);
4434 }
4435 }
4436 }
4437 }
4438
4439 return 1;
4440}
4441
4442/**
4443 * Resets the breadcrumb navigation to the first item, and clears the rest
4444 */
4445function reset_breadcrumb()
4446{
4447 global $navbits;
4448
4449 $newnav[0]['name'] = $navbits[0]['name'];
4450 $newnav[0]['url'] = $navbits[0]['url'];
4451 if(!empty($navbits[0]['options']))
4452 {
4453 $newnav[0]['options'] = $navbits[0]['options'];
4454 }
4455
4456 unset($GLOBALS['navbits']);
4457 $GLOBALS['navbits'] = $newnav;
4458}
4459
4460/**
4461 * Builds a URL to an archive mode page
4462 *
4463 * @param string $type The type of page (thread|announcement|forum)
4464 * @param int $id The ID of the item
4465 * @return string The URL
4466 */
4467function build_archive_link($type="", $id=0)
4468{
4469 global $mybb;
4470
4471 // If the server OS is not Windows and not Apache or the PHP is running as a CGI or we have defined ARCHIVE_QUERY_STRINGS, use query strings - DIRECTORY_SEPARATOR checks if running windows
4472 //if((DIRECTORY_SEPARATOR == '\\' && is_numeric(stripos($_SERVER['SERVER_SOFTWARE'], "apache")) == false) || is_numeric(stripos(SAPI_NAME, "cgi")) !== false || defined("ARCHIVE_QUERY_STRINGS"))
4473 if($mybb->settings['seourls_archive'] == 1)
4474 {
4475 $base_url = $mybb->settings['bburl']."/archive/index.php/";
4476 }
4477 else
4478 {
4479 $base_url = $mybb->settings['bburl']."/archive/index.php?";
4480 }
4481
4482 switch($type)
4483 {
4484 case "thread":
4485 $url = "{$base_url}thread-{$id}.html";
4486 break;
4487 case "announcement":
4488 $url = "{$base_url}announcement-{$id}.html";
4489 break;
4490 case "forum":
4491 $url = "{$base_url}forum-{$id}.html";
4492 break;
4493 default:
4494 $url = $mybb->settings['bburl']."/archive/index.php";
4495 }
4496
4497 return $url;
4498}
4499
4500/**
4501 * Prints a debug information page
4502 */
4503function debug_page()
4504{
4505 global $db, $debug, $templates, $templatelist, $mybb, $maintimer, $globaltime, $ptimer, $parsetime, $lang, $cache;
4506
4507 $totaltime = format_time_duration($maintimer->totaltime);
4508 $phptime = $maintimer->totaltime - $db->query_time;
4509 $query_time = $db->query_time;
4510 $globaltime = format_time_duration($globaltime);
4511
4512 $percentphp = number_format((($phptime/$maintimer->totaltime)*100), 2);
4513 $percentsql = number_format((($query_time/$maintimer->totaltime)*100), 2);
4514
4515 $phptime = format_time_duration($maintimer->totaltime - $db->query_time);
4516 $query_time = format_time_duration($db->query_time);
4517
4518 $call_time = format_time_duration($cache->call_time);
4519
4520 $phpversion = PHP_VERSION;
4521
4522 $serverload = get_server_load();
4523
4524 if($mybb->settings['gzipoutput'] != 0)
4525 {
4526 $gzipen = "Enabled";
4527 }
4528 else
4529 {
4530 $gzipen = "Disabled";
4531 }
4532
4533 echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
4534 echo "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
4535 echo "<head>";
4536 echo "<meta name=\"robots\" content=\"noindex\" />";
4537 echo "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />";
4538 echo "<title>MyBB Debug Information</title>";
4539 echo "</head>";
4540 echo "<body>";
4541 echo "<h1>MyBB Debug Information</h1>\n";
4542 echo "<h2>Page Generation</h2>\n";
4543 echo "<table bgcolor=\"#666666\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n";
4544 echo "<tr>\n";
4545 echo "<td bgcolor=\"#cccccc\" colspan=\"4\"><b><span style=\"size:2;\">Page Generation Statistics</span></b></td>\n";
4546 echo "</tr>\n";
4547 echo "<tr>\n";
4548 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Page Generation Time:</span></b></td>\n";
4549 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$totaltime</span></td>\n";
4550 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">No. DB Queries:</span></b></td>\n";
4551 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$db->query_count</span></td>\n";
4552 echo "</tr>\n";
4553 echo "<tr>\n";
4554 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">PHP Processing Time:</span></b></td>\n";
4555 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$phptime ($percentphp%)</span></td>\n";
4556 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">DB Processing Time:</span></b></td>\n";
4557 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$query_time ($percentsql%)</span></td>\n";
4558 echo "</tr>\n";
4559 echo "<tr>\n";
4560 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Extensions Used:</span></b></td>\n";
4561 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">{$mybb->config['database']['type']}, xml</span></td>\n";
4562 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Global.php Processing Time:</span></b></td>\n";
4563 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$globaltime</span></td>\n";
4564 echo "</tr>\n";
4565 echo "<tr>\n";
4566 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">PHP Version:</span></b></td>\n";
4567 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$phpversion</span></td>\n";
4568 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Server Load:</span></b></td>\n";
4569 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$serverload</span></td>\n";
4570 echo "</tr>\n";
4571 echo "<tr>\n";
4572 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">GZip Encoding Status:</span></b></td>\n";
4573 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">$gzipen</span></td>\n";
4574 echo "<td bgcolor=\"#efefef\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">No. Templates Used:</span></b></td>\n";
4575 echo "<td bgcolor=\"#fefefe\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">".count($templates->cache)." (".(int)count(explode(",", $templatelist))." Cached / ".(int)count($templates->uncached_templates)." Manually Loaded)</span></td>\n";
4576 echo "</tr>\n";
4577
4578 $memory_usage = get_memory_usage();
4579 if(!$memory_usage)
4580 {
4581 $memory_usage = $lang->unknown;
4582 }
4583 else
4584 {
4585 $memory_usage = get_friendly_size($memory_usage)." ({$memory_usage} bytes)";
4586 }
4587 $memory_limit = @ini_get("memory_limit");
4588 echo "<tr>\n";
4589 echo "<td bgcolor=\"#EFEFEF\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Memory Usage:</span></b></td>\n";
4590 echo "<td bgcolor=\"#FEFEFE\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">{$memory_usage}</span></td>\n";
4591 echo "<td bgcolor=\"#EFEFEF\" width=\"25%\"><b><span style=\"font-family: tahoma; font-size: 12px;\">Memory Limit:</span></b></td>\n";
4592 echo "<td bgcolor=\"#FEFEFE\" width=\"25%\"><span style=\"font-family: tahoma; font-size: 12px;\">{$memory_limit}</span></td>\n";
4593 echo "</tr>\n";
4594
4595 echo "</table>\n";
4596
4597 echo "<h2>Database Connections (".count($db->connections)." Total) </h2>\n";
4598 echo "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n";
4599 echo "<tr>\n";
4600 echo "<td style=\"background: #fff;\">".implode("<br />", $db->connections)."</td>\n";
4601 echo "</tr>\n";
4602 echo "</table>\n";
4603 echo "<br />\n";
4604
4605 echo "<h2>Database Queries (".$db->query_count." Total) </h2>\n";
4606 echo $db->explain;
4607
4608 if($cache->call_count > 0)
4609 {
4610 echo "<h2>Cache Calls (".$cache->call_count." Total, ".$call_time.") </h2>\n";
4611 echo $cache->cache_debug;
4612 }
4613
4614 echo "<h2>Template Statistics</h2>\n";
4615
4616 if(count($templates->cache) > 0)
4617 {
4618 echo "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n";
4619 echo "<tr>\n";
4620 echo "<td style=\"background-color: #ccc;\"><strong>Templates Used (Loaded for this Page) - ".count($templates->cache)." Total</strong></td>\n";
4621 echo "</tr>\n";
4622 echo "<tr>\n";
4623 echo "<td style=\"background: #fff;\">".implode(", ", array_keys($templates->cache))."</td>\n";
4624 echo "</tr>\n";
4625 echo "</table>\n";
4626 echo "<br />\n";
4627 }
4628
4629 if(count($templates->uncached_templates) > 0)
4630 {
4631 echo "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n";
4632 echo "<tr>\n";
4633 echo "<td style=\"background-color: #ccc;\"><strong>Templates Requiring Additional Calls (Not Cached at Startup) - ".count($templates->uncached_templates)." Total</strong></td>\n";
4634 echo "</tr>\n";
4635 echo "<tr>\n";
4636 echo "<td style=\"background: #fff;\">".implode(", ", $templates->uncached_templates)."</td>\n";
4637 echo "</tr>\n";
4638 echo "</table>\n";
4639 echo "<br />\n";
4640 }
4641 echo "</body>";
4642 echo "</html>";
4643 exit;
4644}
4645
4646/**
4647 * Outputs the correct page headers.
4648 */
4649function send_page_headers()
4650{
4651 global $mybb;
4652
4653 if($mybb->settings['nocacheheaders'] == 1)
4654 {
4655 header("Expires: Sat, 1 Jan 2000 01:00:00 GMT");
4656 header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
4657 header("Cache-Control: no-cache, must-revalidate");
4658 header("Pragma: no-cache");
4659 }
4660}
4661
4662/**
4663 * Mark specific reported posts of a certain type as dealt with
4664 *
4665 * @param array|int $id An array or int of the ID numbers you're marking as dealt with
4666 * @param string $type The type of item the above IDs are for - post, posts, thread, threads, forum, all
4667 */
4668function mark_reports($id, $type="post")
4669{
4670 global $db, $cache, $plugins;
4671
4672 switch($type)
4673 {
4674 case "posts":
4675 if(is_array($id))
4676 {
4677 $rids = implode($id, "','");
4678 $rids = "'0','$rids'";
4679 $db->update_query("reportedcontent", array('reportstatus' => 1), "id IN($rids) AND reportstatus='0' AND (type = 'post' OR type = '')");
4680 }
4681 break;
4682 case "post":
4683 $db->update_query("reportedcontent", array('reportstatus' => 1), "id='$id' AND reportstatus='0' AND (type = 'post' OR type = '')");
4684 break;
4685 case "threads":
4686 if(is_array($id))
4687 {
4688 $rids = implode($id, "','");
4689 $rids = "'0','$rids'";
4690 $db->update_query("reportedcontent", array('reportstatus' => 1), "id2 IN($rids) AND reportstatus='0' AND (type = 'post' OR type = '')");
4691 }
4692 break;
4693 case "thread":
4694 $db->update_query("reportedcontent", array('reportstatus' => 1), "id2='$id' AND reportstatus='0' AND (type = 'post' OR type = '')");
4695 break;
4696 case "forum":
4697 $db->update_query("reportedcontent", array('reportstatus' => 1), "id3='$id' AND reportstatus='0' AND (type = 'post' OR type = '')");
4698 break;
4699 case "all":
4700 $db->update_query("reportedcontent", array('reportstatus' => 1), "reportstatus='0' AND (type = 'post' OR type = '')");
4701 break;
4702 }
4703
4704 $arguments = array('id' => $id, 'type' => $type);
4705 $plugins->run_hooks("mark_reports", $arguments);
4706 $cache->update_reportedcontent();
4707}
4708
4709/**
4710 * Fetch a friendly x days, y months etc date stamp from a timestamp
4711 *
4712 * @param int $stamp The timestamp
4713 * @param array $options Array of options
4714 * @return string The friendly formatted timestamp
4715 */
4716function nice_time($stamp, $options=array())
4717{
4718 global $lang;
4719
4720 $ysecs = 365*24*60*60;
4721 $mosecs = 31*24*60*60;
4722 $wsecs = 7*24*60*60;
4723 $dsecs = 24*60*60;
4724 $hsecs = 60*60;
4725 $msecs = 60;
4726
4727 if(isset($options['short']))
4728 {
4729 $lang_year = $lang->year_short;
4730 $lang_years = $lang->years_short;
4731 $lang_month = $lang->month_short;
4732 $lang_months = $lang->months_short;
4733 $lang_week = $lang->week_short;
4734 $lang_weeks = $lang->weeks_short;
4735 $lang_day = $lang->day_short;
4736 $lang_days = $lang->days_short;
4737 $lang_hour = $lang->hour_short;
4738 $lang_hours = $lang->hours_short;
4739 $lang_minute = $lang->minute_short;
4740 $lang_minutes = $lang->minutes_short;
4741 $lang_second = $lang->second_short;
4742 $lang_seconds = $lang->seconds_short;
4743 }
4744 else
4745 {
4746 $lang_year = " ".$lang->year;
4747 $lang_years = " ".$lang->years;
4748 $lang_month = " ".$lang->month;
4749 $lang_months = " ".$lang->months;
4750 $lang_week = " ".$lang->week;
4751 $lang_weeks = " ".$lang->weeks;
4752 $lang_day = " ".$lang->day;
4753 $lang_days = " ".$lang->days;
4754 $lang_hour = " ".$lang->hour;
4755 $lang_hours = " ".$lang->hours;
4756 $lang_minute = " ".$lang->minute;
4757 $lang_minutes = " ".$lang->minutes;
4758 $lang_second = " ".$lang->second;
4759 $lang_seconds = " ".$lang->seconds;
4760 }
4761
4762 $years = floor($stamp/$ysecs);
4763 $stamp %= $ysecs;
4764 $months = floor($stamp/$mosecs);
4765 $stamp %= $mosecs;
4766 $weeks = floor($stamp/$wsecs);
4767 $stamp %= $wsecs;
4768 $days = floor($stamp/$dsecs);
4769 $stamp %= $dsecs;
4770 $hours = floor($stamp/$hsecs);
4771 $stamp %= $hsecs;
4772 $minutes = floor($stamp/$msecs);
4773 $stamp %= $msecs;
4774 $seconds = $stamp;
4775
4776 // Prevent gross over accuracy ($options parameter will override these)
4777 if($years > 0)
4778 {
4779 $options = array_merge(array(
4780 'days' => false,
4781 'hours' => false,
4782 'minutes' => false,
4783 'seconds' => false
4784 ), $options);
4785 }
4786 elseif($months > 0)
4787 {
4788 $options = array_merge(array(
4789 'hours' => false,
4790 'minutes' => false,
4791 'seconds' => false
4792 ), $options);
4793 }
4794 elseif($weeks > 0)
4795 {
4796 $options = array_merge(array(
4797 'minutes' => false,
4798 'seconds' => false
4799 ), $options);
4800 }
4801 elseif($days > 0)
4802 {
4803 $options = array_merge(array(
4804 'seconds' => false
4805 ), $options);
4806 }
4807
4808 if(!isset($options['years']) || $options['years'] !== false)
4809 {
4810 if($years == 1)
4811 {
4812 $nicetime['years'] = "1".$lang_year;
4813 }
4814 else if($years > 1)
4815 {
4816 $nicetime['years'] = $years.$lang_years;
4817 }
4818 }
4819
4820 if(!isset($options['months']) || $options['months'] !== false)
4821 {
4822 if($months == 1)
4823 {
4824 $nicetime['months'] = "1".$lang_month;
4825 }
4826 else if($months > 1)
4827 {
4828 $nicetime['months'] = $months.$lang_months;
4829 }
4830 }
4831
4832 if(!isset($options['weeks']) || $options['weeks'] !== false)
4833 {
4834 if($weeks == 1)
4835 {
4836 $nicetime['weeks'] = "1".$lang_week;
4837 }
4838 else if($weeks > 1)
4839 {
4840 $nicetime['weeks'] = $weeks.$lang_weeks;
4841 }
4842 }
4843
4844 if(!isset($options['days']) || $options['days'] !== false)
4845 {
4846 if($days == 1)
4847 {
4848 $nicetime['days'] = "1".$lang_day;
4849 }
4850 else if($days > 1)
4851 {
4852 $nicetime['days'] = $days.$lang_days;
4853 }
4854 }
4855
4856 if(!isset($options['hours']) || $options['hours'] !== false)
4857 {
4858 if($hours == 1)
4859 {
4860 $nicetime['hours'] = "1".$lang_hour;
4861 }
4862 else if($hours > 1)
4863 {
4864 $nicetime['hours'] = $hours.$lang_hours;
4865 }
4866 }
4867
4868 if(!isset($options['minutes']) || $options['minutes'] !== false)
4869 {
4870 if($minutes == 1)
4871 {
4872 $nicetime['minutes'] = "1".$lang_minute;
4873 }
4874 else if($minutes > 1)
4875 {
4876 $nicetime['minutes'] = $minutes.$lang_minutes;
4877 }
4878 }
4879
4880 if(!isset($options['seconds']) || $options['seconds'] !== false)
4881 {
4882 if($seconds == 1)
4883 {
4884 $nicetime['seconds'] = "1".$lang_second;
4885 }
4886 else if($seconds > 1)
4887 {
4888 $nicetime['seconds'] = $seconds.$lang_seconds;
4889 }
4890 }
4891
4892 if(is_array($nicetime))
4893 {
4894 return implode(", ", $nicetime);
4895 }
4896}
4897
4898/**
4899 * Select an alternating row colour based on the previous call to this function
4900 *
4901 * @param int $reset 1 to reset the row to trow1.
4902 * @return string trow1 or trow2 depending on the previous call
4903 */
4904function alt_trow($reset=0)
4905{
4906 global $alttrow;
4907
4908 if($alttrow == "trow1" && !$reset)
4909 {
4910 $trow = "trow2";
4911 }
4912 else
4913 {
4914 $trow = "trow1";
4915 }
4916
4917 $alttrow = $trow;
4918
4919 return $trow;
4920}
4921
4922/**
4923 * Add a user to a specific additional user group.
4924 *
4925 * @param int $uid The user ID
4926 * @param int $joingroup The user group ID to join
4927 * @return bool
4928 */
4929function join_usergroup($uid, $joingroup)
4930{
4931 global $db, $mybb;
4932
4933 if($uid == $mybb->user['uid'])
4934 {
4935 $user = $mybb->user;
4936 }
4937 else
4938 {
4939 $query = $db->simple_select("users", "additionalgroups, usergroup", "uid='".(int)$uid."'");
4940 $user = $db->fetch_array($query);
4941 }
4942
4943 // Build the new list of additional groups for this user and make sure they're in the right format
4944 $usergroups = "";
4945 $usergroups = $user['additionalgroups'].",".$joingroup;
4946 $groupslist = "";
4947 $groups = explode(",", $usergroups);
4948
4949 if(is_array($groups))
4950 {
4951 $comma = '';
4952 foreach($groups as $gid)
4953 {
4954 if(trim($gid) != "" && $gid != $user['usergroup'] && !isset($donegroup[$gid]))
4955 {
4956 $groupslist .= $comma.$gid;
4957 $comma = ",";
4958 $donegroup[$gid] = 1;
4959 }
4960 }
4961 }
4962
4963 // What's the point in updating if they're the same?
4964 if($groupslist != $user['additionalgroups'])
4965 {
4966 $db->update_query("users", array('additionalgroups' => $groupslist), "uid='".(int)$uid."'");
4967 return true;
4968 }
4969 else
4970 {
4971 return false;
4972 }
4973}
4974
4975/**
4976 * Remove a user from a specific additional user group
4977 *
4978 * @param int $uid The user ID
4979 * @param int $leavegroup The user group ID
4980 */
4981function leave_usergroup($uid, $leavegroup)
4982{
4983 global $db, $mybb, $cache;
4984
4985 $user = get_user($uid);
4986
4987 $groupslist = $comma = '';
4988 $usergroups = $user['additionalgroups'].",";
4989 $donegroup = array();
4990
4991 $groups = explode(",", $user['additionalgroups']);
4992
4993 if(is_array($groups))
4994 {
4995 foreach($groups as $gid)
4996 {
4997 if(trim($gid) != "" && $leavegroup != $gid && empty($donegroup[$gid]))
4998 {
4999 $groupslist .= $comma.$gid;
5000 $comma = ",";
5001 $donegroup[$gid] = 1;
5002 }
5003 }
5004 }
5005
5006 $dispupdate = "";
5007 if($leavegroup == $user['displaygroup'])
5008 {
5009 $dispupdate = ", displaygroup=usergroup";
5010 }
5011
5012 $db->write_query("
5013 UPDATE ".TABLE_PREFIX."users
5014 SET additionalgroups='$groupslist' $dispupdate
5015 WHERE uid='".(int)$uid."'
5016 ");
5017
5018 $cache->update_moderators();
5019}
5020
5021/**
5022 * Get the current location taking in to account different web serves and systems
5023 *
5024 * @param boolean $fields True to return as "hidden" fields
5025 * @param array $ignore Array of fields to ignore if first argument is true
5026 * @param boolean $quick True to skip all inputs and return only the file path part of the URL
5027 * @return string The current URL being accessed
5028 */
5029function get_current_location($fields=false, $ignore=array(), $quick=false)
5030{
5031 if(defined("MYBB_LOCATION"))
5032 {
5033 return MYBB_LOCATION;
5034 }
5035
5036 if(!empty($_SERVER['SCRIPT_NAME']))
5037 {
5038 $location = htmlspecialchars_uni($_SERVER['SCRIPT_NAME']);
5039 }
5040 elseif(!empty($_SERVER['PHP_SELF']))
5041 {
5042 $location = htmlspecialchars_uni($_SERVER['PHP_SELF']);
5043 }
5044 elseif(!empty($_ENV['PHP_SELF']))
5045 {
5046 $location = htmlspecialchars_uni($_ENV['PHP_SELF']);
5047 }
5048 elseif(!empty($_SERVER['PATH_INFO']))
5049 {
5050 $location = htmlspecialchars_uni($_SERVER['PATH_INFO']);
5051 }
5052 else
5053 {
5054 $location = htmlspecialchars_uni($_ENV['PATH_INFO']);
5055 }
5056
5057 if($quick)
5058 {
5059 return $location;
5060 }
5061
5062 if($fields == true)
5063 {
5064 global $mybb;
5065
5066 if(!is_array($ignore))
5067 {
5068 $ignore = array($ignore);
5069 }
5070
5071 $form_html = '';
5072 if(!empty($mybb->input))
5073 {
5074 foreach($mybb->input as $name => $value)
5075 {
5076 if(in_array($name, $ignore) || is_array($name) || is_array($value))
5077 {
5078 continue;
5079 }
5080
5081 $form_html .= "<input type=\"hidden\" name=\"".htmlspecialchars_uni($name)."\" value=\"".htmlspecialchars_uni($value)."\" />\n";
5082 }
5083 }
5084
5085 return array('location' => $location, 'form_html' => $form_html, 'form_method' => $mybb->request_method);
5086 }
5087 else
5088 {
5089 if(isset($_SERVER['QUERY_STRING']))
5090 {
5091 $location .= "?".htmlspecialchars_uni($_SERVER['QUERY_STRING']);
5092 }
5093 else if(isset($_ENV['QUERY_STRING']))
5094 {
5095 $location .= "?".htmlspecialchars_uni($_ENV['QUERY_STRING']);
5096 }
5097
5098 if((isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == "POST") || (isset($_ENV['REQUEST_METHOD']) && $_ENV['REQUEST_METHOD'] == "POST"))
5099 {
5100 $post_array = array('action', 'fid', 'pid', 'tid', 'uid', 'eid');
5101
5102 foreach($post_array as $var)
5103 {
5104 if(isset($_POST[$var]))
5105 {
5106 $addloc[] = urlencode($var).'='.urlencode($_POST[$var]);
5107 }
5108 }
5109
5110 if(isset($addloc) && is_array($addloc))
5111 {
5112 if(strpos($location, "?") === false)
5113 {
5114 $location .= "?";
5115 }
5116 else
5117 {
5118 $location .= "&";
5119 }
5120 $location .= implode("&", $addloc);
5121 }
5122 }
5123
5124 return $location;
5125 }
5126}
5127
5128/**
5129 * Build a theme selection menu
5130 *
5131 * @param string $name The name of the menu
5132 * @param int $selected The ID of the selected theme
5133 * @param int $tid The ID of the parent theme to select from
5134 * @param string $depth The current selection depth
5135 * @param boolean $usergroup_override Whether or not to override usergroup permissions (true to override)
5136 * @param boolean $footer Whether or not theme select is in the footer (true if it is)
5137 * @param boolean $count_override Whether or not to override output based on theme count (true to override)
5138 * @return string The theme selection list
5139 */
5140function build_theme_select($name, $selected=-1, $tid=0, $depth="", $usergroup_override=false, $footer=false, $count_override=false)
5141{
5142 global $db, $themeselect, $tcache, $lang, $mybb, $limit, $templates, $num_themes, $themeselect_option;
5143
5144 if($tid == 0)
5145 {
5146 $tid = 1;
5147 $num_themes = 0;
5148 $themeselect_option = '';
5149
5150 if(!isset($lang->use_default))
5151 {
5152 $lang->use_default = $lang->lang_select_default;
5153 }
5154 }
5155
5156 if(!is_array($tcache))
5157 {
5158 $query = $db->simple_select('themes', 'tid, name, pid, allowedgroups', "pid!='0'");
5159
5160 while($theme = $db->fetch_array($query))
5161 {
5162 $tcache[$theme['pid']][$theme['tid']] = $theme;
5163 }
5164 }
5165
5166 if(is_array($tcache[$tid]))
5167 {
5168 foreach($tcache[$tid] as $theme)
5169 {
5170 $sel = "";
5171 // Show theme if allowed, or if override is on
5172 if(is_member($theme['allowedgroups']) || $theme['allowedgroups'] == "all" || $usergroup_override == true)
5173 {
5174 if($theme['tid'] == $selected)
5175 {
5176 $sel = " selected=\"selected\"";
5177 }
5178
5179 if($theme['pid'] != 0)
5180 {
5181 $theme['name'] = htmlspecialchars_uni($theme['name']);
5182 eval("\$themeselect_option .= \"".$templates->get("usercp_themeselector_option")."\";");
5183 ++$num_themes;
5184 $depthit = $depth."--";
5185 }
5186
5187 if(array_key_exists($theme['tid'], $tcache))
5188 {
5189 build_theme_select($name, $selected, $theme['tid'], $depthit, $usergroup_override, $footer, $count_override);
5190 }
5191 }
5192 }
5193 }
5194
5195 if($tid == 1 && ($num_themes > 1 || $count_override == true))
5196 {
5197 if($footer == true)
5198 {
5199 eval("\$themeselect = \"".$templates->get("footer_themeselector")."\";");
5200 }
5201 else
5202 {
5203 eval("\$themeselect = \"".$templates->get("usercp_themeselector")."\";");
5204 }
5205
5206 return $themeselect;
5207 }
5208 else
5209 {
5210 return false;
5211 }
5212}
5213
5214/**
5215 * Get the theme data of a theme id.
5216 *
5217 * @param int $tid The theme id of the theme.
5218 * @return boolean|array False if no valid theme, Array with the theme data otherwise
5219 */
5220function get_theme($tid)
5221{
5222 global $tcache, $db;
5223
5224 if(!is_array($tcache))
5225 {
5226 $query = $db->simple_select('themes', 'tid, name, pid, allowedgroups', "pid!='0'");
5227
5228 while($theme = $db->fetch_array($query))
5229 {
5230 $tcache[$theme['pid']][$theme['tid']] = $theme;
5231 }
5232 }
5233
5234 $s_theme = false;
5235
5236 foreach($tcache as $themes)
5237 {
5238 foreach($themes as $theme)
5239 {
5240 if($tid == $theme['tid'])
5241 {
5242 $s_theme = $theme;
5243 break 2;
5244 }
5245 }
5246 }
5247
5248 return $s_theme;
5249}
5250
5251/**
5252 * Custom function for htmlspecialchars which takes in to account unicode
5253 *
5254 * @param string $message The string to format
5255 * @return string The string with htmlspecialchars applied
5256 */
5257function htmlspecialchars_uni($message)
5258{
5259 $message = preg_replace("#&(?!\#[0-9]+;)#si", "&", $message); // Fix & but allow unicode
5260 $message = str_replace("<", "<", $message);
5261 $message = str_replace(">", ">", $message);
5262 $message = str_replace("\"", """, $message);
5263 return $message;
5264}
5265
5266/**
5267 * Custom function for formatting numbers.
5268 *
5269 * @param int $number The number to format.
5270 * @return int The formatted number.
5271 */
5272function my_number_format($number)
5273{
5274 global $mybb;
5275
5276 if($number == "-")
5277 {
5278 return $number;
5279 }
5280
5281 if(is_int($number))
5282 {
5283 return number_format($number, 0, $mybb->settings['decpoint'], $mybb->settings['thousandssep']);
5284 }
5285 else
5286 {
5287 $parts = explode('.', $number);
5288
5289 if(isset($parts[1]))
5290 {
5291 $decimals = my_strlen($parts[1]);
5292 }
5293 else
5294 {
5295 $decimals = 0;
5296 }
5297
5298 return number_format((double)$number, $decimals, $mybb->settings['decpoint'], $mybb->settings['thousandssep']);
5299 }
5300}
5301
5302/**
5303 * Converts a string of text to or from UTF-8.
5304 *
5305 * @param string $str The string of text to convert
5306 * @param boolean $to Whether or not the string is being converted to or from UTF-8 (true if converting to)
5307 * @return string The converted string
5308 */
5309function convert_through_utf8($str, $to=true)
5310{
5311 global $lang;
5312 static $charset;
5313 static $use_mb;
5314 static $use_iconv;
5315
5316 if(!isset($charset))
5317 {
5318 $charset = my_strtolower($lang->settings['charset']);
5319 }
5320
5321 if($charset == "utf-8")
5322 {
5323 return $str;
5324 }
5325
5326 if(!isset($use_iconv))
5327 {
5328 $use_iconv = function_exists("iconv");
5329 }
5330
5331 if(!isset($use_mb))
5332 {
5333 $use_mb = function_exists("mb_convert_encoding");
5334 }
5335
5336 if($use_iconv || $use_mb)
5337 {
5338 if($to)
5339 {
5340 $from_charset = $lang->settings['charset'];
5341 $to_charset = "UTF-8";
5342 }
5343 else
5344 {
5345 $from_charset = "UTF-8";
5346 $to_charset = $lang->settings['charset'];
5347 }
5348 if($use_iconv)
5349 {
5350 return iconv($from_charset, $to_charset."//IGNORE", $str);
5351 }
5352 else
5353 {
5354 return @mb_convert_encoding($str, $to_charset, $from_charset);
5355 }
5356 }
5357 elseif($charset == "iso-8859-1" && function_exists("utf8_encode"))
5358 {
5359 if($to)
5360 {
5361 return utf8_encode($str);
5362 }
5363 else
5364 {
5365 return utf8_decode($str);
5366 }
5367 }
5368 else
5369 {
5370 return $str;
5371 }
5372}
5373
5374/**
5375 * DEPRECATED! Please use other alternatives.
5376 *
5377 * @deprecated
5378 * @param string $message
5379 *
5380 * @return string
5381 */
5382function my_wordwrap($message)
5383{
5384 return $message;
5385}
5386
5387/**
5388 * Workaround for date limitation in PHP to establish the day of a birthday (Provided by meme)
5389 *
5390 * @param int $month The month of the birthday
5391 * @param int $day The day of the birthday
5392 * @param int $year The year of the bithday
5393 * @return int The numeric day of the week for the birthday
5394 */
5395function get_weekday($month, $day, $year)
5396{
5397 $h = 4;
5398
5399 for($i = 1969; $i >= $year; $i--)
5400 {
5401 $j = get_bdays($i);
5402
5403 for($k = 11; $k >= 0; $k--)
5404 {
5405 $l = ($k + 1);
5406
5407 for($m = $j[$k]; $m >= 1; $m--)
5408 {
5409 $h--;
5410
5411 if($i == $year && $l == $month && $m == $day)
5412 {
5413 return $h;
5414 }
5415
5416 if($h == 0)
5417 {
5418 $h = 7;
5419 }
5420 }
5421 }
5422 }
5423}
5424
5425/**
5426 * Workaround for date limitation in PHP to establish the day of a birthday (Provided by meme)
5427 *
5428 * @param int $in The year.
5429 * @return array The number of days in each month of that year
5430 */
5431function get_bdays($in)
5432{
5433 return array(
5434 31,
5435 ($in % 4 == 0 && ($in % 100 > 0 || $in % 400 == 0) ? 29 : 28),
5436 31,
5437 30,
5438 31,
5439 30,
5440 31,
5441 31,
5442 30,
5443 31,
5444 30,
5445 31
5446 );
5447}
5448
5449/**
5450 * DEPRECATED! Please use mktime()!
5451 * Formats a birthday appropriately
5452 *
5453 * @deprecated
5454 * @param string $display The PHP date format string
5455 * @param int $bm The month of the birthday
5456 * @param int $bd The day of the birthday
5457 * @param int $by The year of the birthday
5458 * @param int $wd The weekday of the birthday
5459 * @return string The formatted birthday
5460 */
5461function format_bdays($display, $bm, $bd, $by, $wd)
5462{
5463 global $lang;
5464
5465 $bdays = array(
5466 $lang->sunday,
5467 $lang->monday,
5468 $lang->tuesday,
5469 $lang->wednesday,
5470 $lang->thursday,
5471 $lang->friday,
5472 $lang->saturday
5473 );
5474
5475 $bmonth = array(
5476 $lang->month_1,
5477 $lang->month_2,
5478 $lang->month_3,
5479 $lang->month_4,
5480 $lang->month_5,
5481 $lang->month_6,
5482 $lang->month_7,
5483 $lang->month_8,
5484 $lang->month_9,
5485 $lang->month_10,
5486 $lang->month_11,
5487 $lang->month_12
5488 );
5489
5490 // This needs to be in this specific order
5491 $find = array(
5492 'm',
5493 'n',
5494 'd',
5495 'D',
5496 'y',
5497 'Y',
5498 'j',
5499 'S',
5500 'F',
5501 'l',
5502 'M',
5503 );
5504
5505 $html = array(
5506 'm',
5507 'n',
5508 'c',
5509 'D',
5510 'y',
5511 'Y',
5512 'j',
5513 'S',
5514 'F',
5515 'l',
5516 'M',
5517 );
5518
5519 $bdays = str_replace($find, $html, $bdays);
5520 $bmonth = str_replace($find, $html, $bmonth);
5521
5522 $replace = array(
5523 sprintf('%02s', $bm),
5524 $bm,
5525 sprintf('%02s', $bd),
5526 ($wd == 2 ? my_substr($bdays[$wd], 0, 4) : ($wd == 4 ? my_substr($bdays[$wd], 0, 5) : my_substr($bdays[$wd], 0, 3))),
5527 my_substr($by, 2),
5528 $by,
5529 ($bd[0] == 0 ? my_substr($bd, 1) : $bd),
5530 ($bd == 1 || $bd == 21 || $bd == 31 ? 'st' : ($bd == 2 || $bd == 22 ? 'nd' : ($bd == 3 || $bd == 23 ? 'rd' : 'th'))),
5531 $bmonth[$bm-1],
5532 $wd,
5533 ($bm == 9 ? my_substr($bmonth[$bm-1], 0, 4) : my_substr($bmonth[$bm-1], 0, 3)),
5534 );
5535
5536 // Do we have the full month in our output?
5537 // If so there's no need for the short month
5538 if(strpos($display, 'F') !== false)
5539 {
5540 array_pop($find);
5541 array_pop($replace);
5542 }
5543
5544 return str_replace($find, $replace, $display);
5545}
5546
5547/**
5548 * Returns the age of a user with specified birthday.
5549 *
5550 * @param string $birthday The birthday of a user.
5551 * @return int The age of a user with that birthday.
5552 */
5553function get_age($birthday)
5554{
5555 $bday = explode("-", $birthday);
5556 if(!$bday[2])
5557 {
5558 return;
5559 }
5560
5561 list($day, $month, $year) = explode("-", my_date("j-n-Y", TIME_NOW, 0, 0));
5562
5563 $age = $year-$bday[2];
5564
5565 if(($month == $bday[1] && $day < $bday[0]) || $month < $bday[1])
5566 {
5567 --$age;
5568 }
5569 return $age;
5570}
5571
5572/**
5573 * Updates the first posts in a thread.
5574 *
5575 * @param int $tid The thread id for which to update the first post id.
5576 */
5577function update_first_post($tid)
5578{
5579 global $db;
5580
5581 $query = $db->query("
5582 SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline
5583 FROM ".TABLE_PREFIX."posts p
5584 LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
5585 WHERE p.tid='$tid'
5586 ORDER BY p.dateline ASC
5587 LIMIT 1
5588 ");
5589 $firstpost = $db->fetch_array($query);
5590
5591 if(empty($firstpost['username']))
5592 {
5593 $firstpost['username'] = $firstpost['postusername'];
5594 }
5595 $firstpost['username'] = $db->escape_string($firstpost['username']);
5596
5597 $update_array = array(
5598 'firstpost' => (int)$firstpost['pid'],
5599 'username' => $firstpost['username'],
5600 'uid' => (int)$firstpost['uid'],
5601 'dateline' => (int)$firstpost['dateline']
5602 );
5603 $db->update_query("threads", $update_array, "tid='{$tid}'");
5604}
5605
5606/**
5607 * Updates the last posts in a thread.
5608 *
5609 * @param int $tid The thread id for which to update the last post id.
5610 */
5611function update_last_post($tid)
5612{
5613 global $db;
5614
5615 $query = $db->query("
5616 SELECT u.uid, u.username, p.username AS postusername, p.dateline
5617 FROM ".TABLE_PREFIX."posts p
5618 LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
5619 WHERE p.tid='$tid' AND p.visible='1'
5620 ORDER BY p.dateline DESC
5621 LIMIT 1"
5622 );
5623 $lastpost = $db->fetch_array($query);
5624
5625 if(empty($lastpost['username']))
5626 {
5627 $lastpost['username'] = $lastpost['postusername'];
5628 }
5629
5630 if(empty($lastpost['dateline']))
5631 {
5632 $query = $db->query("
5633 SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline
5634 FROM ".TABLE_PREFIX."posts p
5635 LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
5636 WHERE p.tid='$tid'
5637 ORDER BY p.dateline ASC
5638 LIMIT 1
5639 ");
5640 $firstpost = $db->fetch_array($query);
5641
5642 $lastpost['username'] = $firstpost['username'];
5643 $lastpost['uid'] = $firstpost['uid'];
5644 $lastpost['dateline'] = $firstpost['dateline'];
5645 }
5646
5647 $lastpost['username'] = $db->escape_string($lastpost['username']);
5648
5649 $update_array = array(
5650 'lastpost' => (int)$lastpost['dateline'],
5651 'lastposter' => $lastpost['username'],
5652 'lastposteruid' => (int)$lastpost['uid']
5653 );
5654 $db->update_query("threads", $update_array, "tid='{$tid}'");
5655}
5656
5657/**
5658 * Checks for the length of a string, mb strings accounted for
5659 *
5660 * @param string $string The string to check the length of.
5661 * @return int The length of the string.
5662 */
5663function my_strlen($string)
5664{
5665 global $lang;
5666
5667 $string = preg_replace("#&\#([0-9]+);#", "-", $string);
5668
5669 if(strtolower($lang->settings['charset']) == "utf-8")
5670 {
5671 // Get rid of any excess RTL and LTR override for they are the workings of the devil
5672 $string = str_replace(dec_to_utf8(8238), "", $string);
5673 $string = str_replace(dec_to_utf8(8237), "", $string);
5674
5675 // Remove dodgy whitespaces
5676 $string = str_replace(chr(0xCA), "", $string);
5677 }
5678 $string = trim($string);
5679
5680 if(function_exists("mb_strlen"))
5681 {
5682 $string_length = mb_strlen($string);
5683 }
5684 else
5685 {
5686 $string_length = strlen($string);
5687 }
5688
5689 return $string_length;
5690}
5691
5692/**
5693 * Cuts a string at a specified point, mb strings accounted for
5694 *
5695 * @param string $string The string to cut.
5696 * @param int $start Where to cut
5697 * @param int $length (optional) How much to cut
5698 * @param bool $handle_entities (optional) Properly handle HTML entities?
5699 * @return string The cut part of the string.
5700 */
5701function my_substr($string, $start, $length=null, $handle_entities = false)
5702{
5703 if($handle_entities)
5704 {
5705 $string = unhtmlentities($string);
5706 }
5707 if(function_exists("mb_substr"))
5708 {
5709 if($length != null)
5710 {
5711 $cut_string = mb_substr($string, $start, $length);
5712 }
5713 else
5714 {
5715 $cut_string = mb_substr($string, $start);
5716 }
5717 }
5718 else
5719 {
5720 if($length != null)
5721 {
5722 $cut_string = substr($string, $start, $length);
5723 }
5724 else
5725 {
5726 $cut_string = substr($string, $start);
5727 }
5728 }
5729
5730 if($handle_entities)
5731 {
5732 $cut_string = htmlspecialchars_uni($cut_string);
5733 }
5734 return $cut_string;
5735}
5736
5737/**
5738 * Lowers the case of a string, mb strings accounted for
5739 *
5740 * @param string $string The string to lower.
5741 * @return string The lowered string.
5742 */
5743function my_strtolower($string)
5744{
5745 if(function_exists("mb_strtolower"))
5746 {
5747 $string = mb_strtolower($string);
5748 }
5749 else
5750 {
5751 $string = strtolower($string);
5752 }
5753
5754 return $string;
5755}
5756
5757/**
5758 * Finds a needle in a haystack and returns it position, mb strings accounted for
5759 *
5760 * @param string $haystack String to look in (haystack)
5761 * @param string $needle What to look for (needle)
5762 * @param int $offset (optional) How much to offset
5763 * @return int|bool false on needle not found, integer position if found
5764 */
5765function my_strpos($haystack, $needle, $offset=0)
5766{
5767 if($needle == '')
5768 {
5769 return false;
5770 }
5771
5772 if(function_exists("mb_strpos"))
5773 {
5774 $position = mb_strpos($haystack, $needle, $offset);
5775 }
5776 else
5777 {
5778 $position = strpos($haystack, $needle, $offset);
5779 }
5780
5781 return $position;
5782}
5783
5784/**
5785 * Ups the case of a string, mb strings accounted for
5786 *
5787 * @param string $string The string to up.
5788 * @return string The uped string.
5789 */
5790function my_strtoupper($string)
5791{
5792 if(function_exists("mb_strtoupper"))
5793 {
5794 $string = mb_strtoupper($string);
5795 }
5796 else
5797 {
5798 $string = strtoupper($string);
5799 }
5800
5801 return $string;
5802}
5803
5804/**
5805 * Returns any html entities to their original character
5806 *
5807 * @param string $string The string to un-htmlentitize.
5808 * @return string The un-htmlentitied' string.
5809 */
5810function unhtmlentities($string)
5811{
5812 // Replace numeric entities
5813 $string = preg_replace_callback('~&#x([0-9a-f]+);~i', 'unichr_callback1', $string);
5814 $string = preg_replace_callback('~&#([0-9]+);~', 'unichr_callback2', $string);
5815
5816 // Replace literal entities
5817 $trans_tbl = get_html_translation_table(HTML_ENTITIES);
5818 $trans_tbl = array_flip($trans_tbl);
5819
5820 return strtr($string, $trans_tbl);
5821}
5822
5823/**
5824 * Returns any ascii to it's character (utf-8 safe).
5825 *
5826 * @param int $c The ascii to characterize.
5827 * @return string|bool The characterized ascii. False on failure
5828 */
5829function unichr($c)
5830{
5831 if($c <= 0x7F)
5832 {
5833 return chr($c);
5834 }
5835 else if($c <= 0x7FF)
5836 {
5837 return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
5838 }
5839 else if($c <= 0xFFFF)
5840 {
5841 return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
5842 . chr(0x80 | $c & 0x3F);
5843 }
5844 else if($c <= 0x10FFFF)
5845 {
5846 return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
5847 . chr(0x80 | $c >> 6 & 0x3F)
5848 . chr(0x80 | $c & 0x3F);
5849 }
5850 else
5851 {
5852 return false;
5853 }
5854}
5855
5856/**
5857 * Returns any ascii to it's character (utf-8 safe).
5858 *
5859 * @param array $matches Matches.
5860 * @return string|bool The characterized ascii. False on failure
5861 */
5862function unichr_callback1($matches)
5863{
5864 return unichr(hexdec($matches[1]));
5865}
5866
5867/**
5868 * Returns any ascii to it's character (utf-8 safe).
5869 *
5870 * @param array $matches Matches.
5871 * @return string|bool The characterized ascii. False on failure
5872 */
5873function unichr_callback2($matches)
5874{
5875 return unichr($matches[1]);
5876}
5877
5878/**
5879 * Get the event poster.
5880 *
5881 * @param array $event The event data array.
5882 * @return string The link to the event poster.
5883 */
5884function get_event_poster($event)
5885{
5886 $event['username'] = htmlspecialchars_uni($event['username']);
5887 $event['username'] = format_name($event['username'], $event['usergroup'], $event['displaygroup']);
5888 $event_poster = build_profile_link($event['username'], $event['author']);
5889 return $event_poster;
5890}
5891
5892/**
5893 * Get the event date.
5894 *
5895 * @param array $event The event data array.
5896 * @return string The event date.
5897 */
5898function get_event_date($event)
5899{
5900 global $mybb;
5901
5902 $event_date = explode("-", $event['date']);
5903 $event_date = gmmktime(0, 0, 0, $event_date[1], $event_date[0], $event_date[2]);
5904 $event_date = my_date($mybb->settings['dateformat'], $event_date);
5905
5906 return $event_date;
5907}
5908
5909/**
5910 * Get the profile link.
5911 *
5912 * @param int $uid The user id of the profile.
5913 * @return string The url to the profile.
5914 */
5915function get_profile_link($uid=0)
5916{
5917 $link = str_replace("{uid}", $uid, PROFILE_URL);
5918 return htmlspecialchars_uni($link);
5919}
5920
5921/**
5922 * Get the announcement link.
5923 *
5924 * @param int $aid The announement id of the announcement.
5925 * @return string The url to the announcement.
5926 */
5927function get_announcement_link($aid=0)
5928{
5929 $link = str_replace("{aid}", $aid, ANNOUNCEMENT_URL);
5930 return htmlspecialchars_uni($link);
5931}
5932
5933/**
5934 * Build the profile link.
5935 *
5936 * @param string $username The Username of the profile.
5937 * @param int $uid The user id of the profile.
5938 * @param string $target The target frame
5939 * @param string $onclick Any onclick javascript.
5940 * @return string The complete profile link.
5941 */
5942function build_profile_link($username="", $uid=0, $target="", $onclick="")
5943{
5944 global $mybb, $lang;
5945
5946 if(!$username && $uid == 0)
5947 {
5948 // Return Guest phrase for no UID, no guest nickname
5949 return htmlspecialchars_uni($lang->guest);
5950 }
5951 elseif($uid == 0)
5952 {
5953 // Return the guest's nickname if user is a guest but has a nickname
5954 return $username;
5955 }
5956 else
5957 {
5958 // Build the profile link for the registered user
5959 if(!empty($target))
5960 {
5961 $target = " target=\"{$target}\"";
5962 }
5963
5964 if(!empty($onclick))
5965 {
5966 $onclick = " onclick=\"{$onclick}\"";
5967 }
5968
5969 return "<a href=\"{$mybb->settings['bburl']}/".get_profile_link($uid)."\"{$target}{$onclick}>{$username}</a>";
5970 }
5971}
5972
5973/**
5974 * Build the forum link.
5975 *
5976 * @param int $fid The forum id of the forum.
5977 * @param int $page (Optional) The page number of the forum.
5978 * @return string The url to the forum.
5979 */
5980function get_forum_link($fid, $page=0)
5981{
5982 if($page > 0)
5983 {
5984 $link = str_replace("{fid}", $fid, FORUM_URL_PAGED);
5985 $link = str_replace("{page}", $page, $link);
5986 return htmlspecialchars_uni($link);
5987 }
5988 else
5989 {
5990 $link = str_replace("{fid}", $fid, FORUM_URL);
5991 return htmlspecialchars_uni($link);
5992 }
5993}
5994
5995/**
5996 * Build the thread link.
5997 *
5998 * @param int $tid The thread id of the thread.
5999 * @param int $page (Optional) The page number of the thread.
6000 * @param string $action (Optional) The action we're performing (ex, lastpost, newpost, etc)
6001 * @return string The url to the thread.
6002 */
6003function get_thread_link($tid, $page=0, $action='')
6004{
6005 if($page > 1)
6006 {
6007 if($action)
6008 {
6009 $link = THREAD_URL_ACTION;
6010 $link = str_replace("{action}", $action, $link);
6011 }
6012 else
6013 {
6014 $link = THREAD_URL_PAGED;
6015 }
6016 $link = str_replace("{tid}", $tid, $link);
6017 $link = str_replace("{page}", $page, $link);
6018 return htmlspecialchars_uni($link);
6019 }
6020 else
6021 {
6022 if($action)
6023 {
6024 $link = THREAD_URL_ACTION;
6025 $link = str_replace("{action}", $action, $link);
6026 }
6027 else
6028 {
6029 $link = THREAD_URL;
6030 }
6031 $link = str_replace("{tid}", $tid, $link);
6032 return htmlspecialchars_uni($link);
6033 }
6034}
6035
6036/**
6037 * Build the post link.
6038 *
6039 * @param int $pid The post ID of the post
6040 * @param int $tid The thread id of the post.
6041 * @return string The url to the post.
6042 */
6043function get_post_link($pid, $tid=0)
6044{
6045 if($tid > 0)
6046 {
6047 $link = str_replace("{tid}", $tid, THREAD_URL_POST);
6048 $link = str_replace("{pid}", $pid, $link);
6049 return htmlspecialchars_uni($link);
6050 }
6051 else
6052 {
6053 $link = str_replace("{pid}", $pid, POST_URL);
6054 return htmlspecialchars_uni($link);
6055 }
6056}
6057
6058/**
6059 * Build the event link.
6060 *
6061 * @param int $eid The event ID of the event
6062 * @return string The URL of the event
6063 */
6064function get_event_link($eid)
6065{
6066 $link = str_replace("{eid}", $eid, EVENT_URL);
6067 return htmlspecialchars_uni($link);
6068}
6069
6070/**
6071 * Build the link to a specified date on the calendar
6072 *
6073 * @param int $calendar The ID of the calendar
6074 * @param int $year The year
6075 * @param int $month The month
6076 * @param int $day The day (optional)
6077 * @return string The URL of the calendar
6078 */
6079function get_calendar_link($calendar, $year=0, $month=0, $day=0)
6080{
6081 if($day > 0)
6082 {
6083 $link = str_replace("{month}", $month, CALENDAR_URL_DAY);
6084 $link = str_replace("{year}", $year, $link);
6085 $link = str_replace("{day}", $day, $link);
6086 $link = str_replace("{calendar}", $calendar, $link);
6087 return htmlspecialchars_uni($link);
6088 }
6089 else if($month > 0)
6090 {
6091 $link = str_replace("{month}", $month, CALENDAR_URL_MONTH);
6092 $link = str_replace("{year}", $year, $link);
6093 $link = str_replace("{calendar}", $calendar, $link);
6094 return htmlspecialchars_uni($link);
6095 }
6096 /* Not implemented
6097 else if($year > 0)
6098 {
6099 }*/
6100 else
6101 {
6102 $link = str_replace("{calendar}", $calendar, CALENDAR_URL);
6103 return htmlspecialchars_uni($link);
6104 }
6105}
6106
6107/**
6108 * Build the link to a specified week on the calendar
6109 *
6110 * @param int $calendar The ID of the calendar
6111 * @param int $week The week
6112 * @return string The URL of the calendar
6113 */
6114function get_calendar_week_link($calendar, $week)
6115{
6116 if($week < 0)
6117 {
6118 $week = str_replace('-', "n", $week);
6119 }
6120 $link = str_replace("{week}", $week, CALENDAR_URL_WEEK);
6121 $link = str_replace("{calendar}", $calendar, $link);
6122 return htmlspecialchars_uni($link);
6123}
6124
6125/**
6126 * Get the user data of an user id.
6127 *
6128 * @param int $uid The user id of the user.
6129 * @return array The users data
6130 */
6131function get_user($uid)
6132{
6133 global $mybb, $db;
6134 static $user_cache;
6135
6136 $uid = (int)$uid;
6137
6138 if(!empty($mybb->user) && $uid == $mybb->user['uid'])
6139 {
6140 return $mybb->user;
6141 }
6142 elseif(isset($user_cache[$uid]))
6143 {
6144 return $user_cache[$uid];
6145 }
6146 elseif($uid > 0)
6147 {
6148 $query = $db->simple_select("users", "*", "uid = '{$uid}'");
6149 $user_cache[$uid] = $db->fetch_array($query);
6150
6151 return $user_cache[$uid];
6152 }
6153 return array();
6154}
6155
6156/**
6157 * Get the user data of an user username.
6158 *
6159 * @param string $username The user username of the user.
6160 * @param array $options
6161 * @return array The users data
6162 */
6163function get_user_by_username($username, $options=array())
6164{
6165 global $mybb, $db;
6166
6167 $username = $db->escape_string(my_strtolower($username));
6168
6169 if(!isset($options['username_method']))
6170 {
6171 $options['username_method'] = 0;
6172 }
6173
6174 switch($db->type)
6175 {
6176 case 'mysql':
6177 case 'mysqli':
6178 $field = 'username';
6179 $efield = 'email';
6180 break;
6181 default:
6182 $field = 'LOWER(username)';
6183 $efield = 'LOWER(email)';
6184 break;
6185 }
6186
6187 switch($options['username_method'])
6188 {
6189 case 1:
6190 $sqlwhere = "{$efield}='{$username}'";
6191 break;
6192 case 2:
6193 $sqlwhere = "{$field}='{$username}' OR {$efield}='{$username}'";
6194 break;
6195 default:
6196 $sqlwhere = "{$field}='{$username}'";
6197 break;
6198 }
6199
6200 $fields = array('uid');
6201 if(isset($options['fields']))
6202 {
6203 $fields = array_merge((array)$options['fields'], $fields);
6204 }
6205
6206 $query = $db->simple_select('users', implode(',', array_unique($fields)), $sqlwhere, array('limit' => 1));
6207
6208 if(isset($options['exists']))
6209 {
6210 return (bool)$db->num_rows($query);
6211 }
6212
6213 return $db->fetch_array($query);
6214}
6215
6216/**
6217 * Get the forum of a specific forum id.
6218 *
6219 * @param int $fid The forum id of the forum.
6220 * @param int $active_override (Optional) If set to 1, will override the active forum status
6221 * @return array|bool The database row of a forum. False on failure
6222 */
6223function get_forum($fid, $active_override=0)
6224{
6225 global $cache;
6226 static $forum_cache;
6227
6228 if(!isset($forum_cache) || is_array($forum_cache))
6229 {
6230 $forum_cache = $cache->read("forums");
6231 }
6232
6233 if(empty($forum_cache[$fid]))
6234 {
6235 return false;
6236 }
6237
6238 if($active_override != 1)
6239 {
6240 $parents = explode(",", $forum_cache[$fid]['parentlist']);
6241 if(is_array($parents))
6242 {
6243 foreach($parents as $parent)
6244 {
6245 if($forum_cache[$parent]['active'] == 0)
6246 {
6247 return false;
6248 }
6249 }
6250 }
6251 }
6252
6253 return $forum_cache[$fid];
6254}
6255
6256/**
6257 * Get the thread of a thread id.
6258 *
6259 * @param int $tid The thread id of the thread.
6260 * @param boolean $recache Whether or not to recache the thread.
6261 * @return array|bool The database row of the thread. False on failure
6262 */
6263function get_thread($tid, $recache = false)
6264{
6265 global $db;
6266 static $thread_cache;
6267
6268 $tid = (int)$tid;
6269
6270 if(isset($thread_cache[$tid]) && !$recache)
6271 {
6272 return $thread_cache[$tid];
6273 }
6274 else
6275 {
6276 $query = $db->simple_select("threads", "*", "tid = '{$tid}'");
6277 $thread = $db->fetch_array($query);
6278
6279 if($thread)
6280 {
6281 $thread_cache[$tid] = $thread;
6282 return $thread;
6283 }
6284 else
6285 {
6286 $thread_cache[$tid] = false;
6287 return false;
6288 }
6289 }
6290}
6291
6292/**
6293 * Get the post of a post id.
6294 *
6295 * @param int $pid The post id of the post.
6296 * @return array|bool The database row of the post. False on failure
6297 */
6298function get_post($pid)
6299{
6300 global $db;
6301 static $post_cache;
6302
6303 $pid = (int)$pid;
6304
6305 if(isset($post_cache[$pid]))
6306 {
6307 return $post_cache[$pid];
6308 }
6309 else
6310 {
6311 $query = $db->simple_select("posts", "*", "pid = '{$pid}'");
6312 $post = $db->fetch_array($query);
6313
6314 if($post)
6315 {
6316 $post_cache[$pid] = $post;
6317 return $post;
6318 }
6319 else
6320 {
6321 $post_cache[$pid] = false;
6322 return false;
6323 }
6324 }
6325}
6326
6327/**
6328 * Get inactivate forums.
6329 *
6330 * @return string The comma separated values of the inactivate forum.
6331 */
6332function get_inactive_forums()
6333{
6334 global $forum_cache, $cache;
6335
6336 if(!$forum_cache)
6337 {
6338 cache_forums();
6339 }
6340
6341 $inactive = array();
6342
6343 foreach($forum_cache as $fid => $forum)
6344 {
6345 if($forum['active'] == 0)
6346 {
6347 $inactive[] = $fid;
6348 foreach($forum_cache as $fid1 => $forum1)
6349 {
6350 if(my_strpos(",".$forum1['parentlist'].",", ",".$fid.",") !== false && !in_array($fid1, $inactive))
6351 {
6352 $inactive[] = $fid1;
6353 }
6354 }
6355 }
6356 }
6357
6358 $inactiveforums = implode(",", $inactive);
6359
6360 return $inactiveforums;
6361}
6362
6363/**
6364 * Checks to make sure a user has not tried to login more times than permitted
6365 *
6366 * @param bool $fatal (Optional) Stop execution if it finds an error with the login. Default is True
6367 * @return bool|int Number of logins when success, false if failed.
6368 */
6369function login_attempt_check($uid = 0, $fatal = true)
6370{
6371 global $mybb, $lang, $db;
6372
6373 $attempts = array();
6374 $uid = (int)$uid;
6375 $now = TIME_NOW;
6376
6377 // Get this user's login attempts and eventual lockout, if a uid is provided
6378 if($uid > 0)
6379 {
6380 $query = $db->simple_select("users", "loginattempts, loginlockoutexpiry", "uid='{$uid}'", 1);
6381 $attempts = $db->fetch_array($query);
6382
6383 if($attempts['loginattempts'] <= 0)
6384 {
6385 return 0;
6386 }
6387 }
6388 // This user has a cookie lockout, show waiting time
6389 elseif($mybb->cookies['lockoutexpiry'] && $mybb->cookies['lockoutexpiry'] > $now)
6390 {
6391 if($fatal)
6392 {
6393 $secsleft = (int)($mybb->cookies['lockoutexpiry'] - $now);
6394 $hoursleft = floor($secsleft / 3600);
6395 $minsleft = floor(($secsleft / 60) % 60);
6396 $secsleft = floor($secsleft % 60);
6397
6398 error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft));
6399 }
6400
6401 return false;
6402 }
6403
6404 if($mybb->settings['failedlogincount'] > 0 && $attempts['loginattempts'] >= $mybb->settings['failedlogincount'])
6405 {
6406 // Set the expiry dateline if not set yet
6407 if($attempts['loginlockoutexpiry'] == 0)
6408 {
6409 $attempts['loginlockoutexpiry'] = $now + ((int)$mybb->settings['failedlogintime'] * 60);
6410
6411 // Add a cookie lockout. This is used to prevent access to the login page immediately.
6412 // A deep lockout is issued if he tries to login into a locked out account
6413 my_setcookie('lockoutexpiry', $attempts['loginlockoutexpiry']);
6414
6415 $db->update_query("users", array(
6416 "loginlockoutexpiry" => $attempts['loginlockoutexpiry']
6417 ), "uid='{$uid}'");
6418 }
6419
6420 if(empty($mybb->cookies['lockoutexpiry']))
6421 {
6422 $failedtime = $attempts['loginlockoutexpiry'];
6423 }
6424 else
6425 {
6426 $failedtime = $mybb->cookies['lockoutexpiry'];
6427 }
6428
6429 // Are we still locked out?
6430 if($attempts['loginlockoutexpiry'] > $now)
6431 {
6432 if($fatal)
6433 {
6434 $secsleft = (int)($attempts['loginlockoutexpiry'] - $now);
6435 $hoursleft = floor($secsleft / 3600);
6436 $minsleft = floor(($secsleft / 60) % 60);
6437 $secsleft = floor($secsleft % 60);
6438
6439 error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft));
6440 }
6441
6442 return false;
6443 }
6444 // Unlock if enough time has passed
6445 else {
6446
6447 if($uid > 0)
6448 {
6449 $db->update_query("users", array(
6450 "loginattempts" => 0,
6451 "loginlockoutexpiry" => 0
6452 ), "uid='{$uid}'");
6453 }
6454
6455 // Wipe the cookie, no matter if a guest or a member
6456 my_unsetcookie('lockoutexpiry');
6457
6458 return 0;
6459 }
6460 }
6461
6462 // User can attempt another login
6463 return $attempts['loginattempts'];
6464}
6465
6466/**
6467 * Validates the format of an email address.
6468 *
6469 * @param string $email The string to check.
6470 * @return boolean True when valid, false when invalid.
6471 */
6472function validate_email_format($email)
6473{
6474 return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
6475}
6476
6477/**
6478 * Checks to see if the email is already in use by another
6479 *
6480 * @param string $email The email to check.
6481 * @param int $uid User ID of the user (updating only)
6482 * @return boolean True when in use, false when not.
6483 */
6484function email_already_in_use($email, $uid=0)
6485{
6486 global $db;
6487
6488 $uid_string = "";
6489 if($uid)
6490 {
6491 $uid_string = " AND uid != '".(int)$uid."'";
6492 }
6493 $query = $db->simple_select("users", "COUNT(email) as emails", "email = '".$db->escape_string($email)."'{$uid_string}");
6494
6495 if($db->fetch_field($query, "emails") > 0)
6496 {
6497 return true;
6498 }
6499
6500 return false;
6501}
6502
6503/**
6504 * Rebuilds settings.php
6505 *
6506 */
6507function rebuild_settings()
6508{
6509 global $db, $mybb;
6510
6511 $query = $db->simple_select("settings", "value, name", "", array(
6512 'order_by' => 'title',
6513 'order_dir' => 'ASC',
6514 ));
6515
6516 $settings = '';
6517 while($setting = $db->fetch_array($query))
6518 {
6519 $mybb->settings[$setting['name']] = $setting['value'];
6520 $setting['value'] = addcslashes($setting['value'], '\\"$');
6521 $settings .= "\$settings['{$setting['name']}'] = \"{$setting['value']}\";\n";
6522 }
6523
6524 $settings = "<"."?php\n/*********************************\ \n DO NOT EDIT THIS FILE, PLEASE USE\n THE SETTINGS EDITOR\n\*********************************/\n\n$settings\n";
6525
6526 file_put_contents(MYBB_ROOT.'inc/settings.php', $settings, LOCK_EX);
6527
6528 $GLOBALS['settings'] = &$mybb->settings;
6529}
6530
6531/**
6532 * Build a PREG compatible array of search highlight terms to replace in posts.
6533 *
6534 * @param string $terms Incoming terms to highlight
6535 * @return array PREG compatible array of terms
6536 */
6537function build_highlight_array($terms)
6538{
6539 global $mybb;
6540
6541 if($mybb->settings['minsearchword'] < 1)
6542 {
6543 $mybb->settings['minsearchword'] = 3;
6544 }
6545
6546 if(is_array($terms))
6547 {
6548 $terms = implode(' ', $terms);
6549 }
6550
6551 // Strip out any characters that shouldn't be included
6552 $bad_characters = array(
6553 "(",
6554 ")",
6555 "+",
6556 "-",
6557 "~"
6558 );
6559 $terms = str_replace($bad_characters, '', $terms);
6560
6561 // Check if this is a "series of words" - should be treated as an EXACT match
6562 if(my_strpos($terms, "\"") !== false)
6563 {
6564 $inquote = false;
6565 $terms = explode("\"", $terms);
6566 $words = array();
6567 foreach($terms as $phrase)
6568 {
6569 $phrase = htmlspecialchars_uni($phrase);
6570 if($phrase != "")
6571 {
6572 if($inquote)
6573 {
6574 $words[] = trim($phrase);
6575 }
6576 else
6577 {
6578 $split_words = preg_split("#\s{1,}#", $phrase, -1);
6579 if(!is_array($split_words))
6580 {
6581 continue;
6582 }
6583 foreach($split_words as $word)
6584 {
6585 if(!$word || strlen($word) < $mybb->settings['minsearchword'])
6586 {
6587 continue;
6588 }
6589 $words[] = trim($word);
6590 }
6591 }
6592 }
6593 $inquote = !$inquote;
6594 }
6595 }
6596 // Otherwise just a simple search query with no phrases
6597 else
6598 {
6599 $terms = htmlspecialchars_uni($terms);
6600 $split_words = preg_split("#\s{1,}#", $terms, -1);
6601 if(is_array($split_words))
6602 {
6603 foreach($split_words as $word)
6604 {
6605 if(!$word || strlen($word) < $mybb->settings['minsearchword'])
6606 {
6607 continue;
6608 }
6609 $words[] = trim($word);
6610 }
6611 }
6612 }
6613
6614 if(!is_array($words))
6615 {
6616 return false;
6617 }
6618
6619 // Sort the word array by length. Largest terms go first and work their way down to the smallest term.
6620 // This resolves problems like "test tes" where "tes" will be highlighted first, then "test" can't be highlighted because of the changed html
6621 usort($words, 'build_highlight_array_sort');
6622
6623 // Loop through our words to build the PREG compatible strings
6624 foreach($words as $word)
6625 {
6626 $word = trim($word);
6627
6628 $word = my_strtolower($word);
6629
6630 // Special boolean operators should be stripped
6631 if($word == "" || $word == "or" || $word == "not" || $word == "and")
6632 {
6633 continue;
6634 }
6635
6636 // Now make PREG compatible
6637 $find = "#(?!<.*?)(".preg_quote($word, "#").")(?![^<>]*?>)#ui";
6638 $replacement = "<span class=\"highlight\" style=\"padding-left: 0px; padding-right: 0px;\">$1</span>";
6639 $highlight_cache[$find] = $replacement;
6640 }
6641
6642 return $highlight_cache;
6643}
6644
6645/**
6646 * Sort the word array by length. Largest terms go first and work their way down to the smallest term.
6647 *
6648 * @param string $a First word.
6649 * @param string $b Second word.
6650 * @return integer Result of comparison function.
6651 */
6652function build_highlight_array_sort($a, $b)
6653{
6654 return strlen($b) - strlen($a);
6655}
6656
6657/**
6658 * Converts a decimal reference of a character to its UTF-8 equivalent
6659 * (Code by Anne van Kesteren, http://annevankesteren.nl/2005/05/character-references)
6660 *
6661 * @param int $src Decimal value of a character reference
6662 * @return string|bool
6663 */
6664function dec_to_utf8($src)
6665{
6666 $dest = '';
6667
6668 if($src < 0)
6669 {
6670 return false;
6671 }
6672 elseif($src <= 0x007f)
6673 {
6674 $dest .= chr($src);
6675 }
6676 elseif($src <= 0x07ff)
6677 {
6678 $dest .= chr(0xc0 | ($src >> 6));
6679 $dest .= chr(0x80 | ($src & 0x003f));
6680 }
6681 elseif($src <= 0xffff)
6682 {
6683 $dest .= chr(0xe0 | ($src >> 12));
6684 $dest .= chr(0x80 | (($src >> 6) & 0x003f));
6685 $dest .= chr(0x80 | ($src & 0x003f));
6686 }
6687 elseif($src <= 0x10ffff)
6688 {
6689 $dest .= chr(0xf0 | ($src >> 18));
6690 $dest .= chr(0x80 | (($src >> 12) & 0x3f));
6691 $dest .= chr(0x80 | (($src >> 6) & 0x3f));
6692 $dest .= chr(0x80 | ($src & 0x3f));
6693 }
6694 else
6695 {
6696 // Out of range
6697 return false;
6698 }
6699
6700 return $dest;
6701}
6702
6703/**
6704 * Checks if a username has been disallowed for registration/use.
6705 *
6706 * @param string $username The username
6707 * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found.
6708 * @return boolean True if banned, false if not banned
6709 */
6710function is_banned_username($username, $update_lastuse=false)
6711{
6712 global $db;
6713 $query = $db->simple_select('banfilters', 'filter, fid', "type='2'");
6714 while($banned_username = $db->fetch_array($query))
6715 {
6716 // Make regular expression * match
6717 $banned_username['filter'] = str_replace('\*', '(.*)', preg_quote($banned_username['filter'], '#'));
6718 if(preg_match("#(^|\b){$banned_username['filter']}($|\b)#i", $username))
6719 {
6720 // Updating last use
6721 if($update_lastuse == true)
6722 {
6723 $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_username['fid']}'");
6724 }
6725 return true;
6726 }
6727 }
6728 // Still here - good username
6729 return false;
6730}
6731
6732/**
6733 * Check if a specific email address has been banned.
6734 *
6735 * @param string $email The email address.
6736 * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found.
6737 * @return boolean True if banned, false if not banned
6738 */
6739function is_banned_email($email, $update_lastuse=false)
6740{
6741 global $cache, $db;
6742
6743 $banned_cache = $cache->read("bannedemails");
6744
6745 if($banned_cache === false)
6746 {
6747 // Failed to read cache, see if we can rebuild it
6748 $cache->update_bannedemails();
6749 $banned_cache = $cache->read("bannedemails");
6750 }
6751
6752 if(is_array($banned_cache) && !empty($banned_cache))
6753 {
6754 foreach($banned_cache as $banned_email)
6755 {
6756 // Make regular expression * match
6757 $banned_email['filter'] = str_replace('\*', '(.*)', preg_quote($banned_email['filter'], '#'));
6758
6759 if(preg_match("#{$banned_email['filter']}#i", $email))
6760 {
6761 // Updating last use
6762 if($update_lastuse == true)
6763 {
6764 $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_email['fid']}'");
6765 }
6766 return true;
6767 }
6768 }
6769 }
6770
6771 // Still here - good email
6772 return false;
6773}
6774
6775/**
6776 * Checks if a specific IP address has been banned.
6777 *
6778 * @param string $ip_address The IP address.
6779 * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found.
6780 * @return boolean True if banned, false if not banned.
6781 */
6782function is_banned_ip($ip_address, $update_lastuse=false)
6783{
6784 global $db, $cache;
6785
6786 $banned_ips = $cache->read("bannedips");
6787 if(!is_array($banned_ips))
6788 {
6789 return false;
6790 }
6791
6792 $ip_address = my_inet_pton($ip_address);
6793 foreach($banned_ips as $banned_ip)
6794 {
6795 if(!$banned_ip['filter'])
6796 {
6797 continue;
6798 }
6799
6800 $banned = false;
6801
6802 $ip_range = fetch_ip_range($banned_ip['filter']);
6803 if(is_array($ip_range))
6804 {
6805 if(strcmp($ip_range[0], $ip_address) <= 0 && strcmp($ip_range[1], $ip_address) >= 0)
6806 {
6807 $banned = true;
6808 }
6809 }
6810 elseif($ip_address == $ip_range)
6811 {
6812 $banned = true;
6813 }
6814 if($banned)
6815 {
6816 // Updating last use
6817 if($update_lastuse == true)
6818 {
6819 $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_ip['fid']}'");
6820 }
6821 return true;
6822 }
6823 }
6824
6825 // Still here - good ip
6826 return false;
6827}
6828
6829/**
6830 * Returns an array of supported timezones
6831 *
6832 * @return string[] Key is timezone offset, Value the language description
6833 */
6834function get_supported_timezones()
6835{
6836 global $lang;
6837 $timezones = array(
6838 "-12" => $lang->timezone_gmt_minus_1200,
6839 "-11" => $lang->timezone_gmt_minus_1100,
6840 "-10" => $lang->timezone_gmt_minus_1000,
6841 "-9.5" => $lang->timezone_gmt_minus_950,
6842 "-9" => $lang->timezone_gmt_minus_900,
6843 "-8" => $lang->timezone_gmt_minus_800,
6844 "-7" => $lang->timezone_gmt_minus_700,
6845 "-6" => $lang->timezone_gmt_minus_600,
6846 "-5" => $lang->timezone_gmt_minus_500,
6847 "-4.5" => $lang->timezone_gmt_minus_450,
6848 "-4" => $lang->timezone_gmt_minus_400,
6849 "-3.5" => $lang->timezone_gmt_minus_350,
6850 "-3" => $lang->timezone_gmt_minus_300,
6851 "-2" => $lang->timezone_gmt_minus_200,
6852 "-1" => $lang->timezone_gmt_minus_100,
6853 "0" => $lang->timezone_gmt,
6854 "1" => $lang->timezone_gmt_100,
6855 "2" => $lang->timezone_gmt_200,
6856 "3" => $lang->timezone_gmt_300,
6857 "3.5" => $lang->timezone_gmt_350,
6858 "4" => $lang->timezone_gmt_400,
6859 "4.5" => $lang->timezone_gmt_450,
6860 "5" => $lang->timezone_gmt_500,
6861 "5.5" => $lang->timezone_gmt_550,
6862 "5.75" => $lang->timezone_gmt_575,
6863 "6" => $lang->timezone_gmt_600,
6864 "6.5" => $lang->timezone_gmt_650,
6865 "7" => $lang->timezone_gmt_700,
6866 "8" => $lang->timezone_gmt_800,
6867 "8.5" => $lang->timezone_gmt_850,
6868 "8.75" => $lang->timezone_gmt_875,
6869 "9" => $lang->timezone_gmt_900,
6870 "9.5" => $lang->timezone_gmt_950,
6871 "10" => $lang->timezone_gmt_1000,
6872 "10.5" => $lang->timezone_gmt_1050,
6873 "11" => $lang->timezone_gmt_1100,
6874 "11.5" => $lang->timezone_gmt_1150,
6875 "12" => $lang->timezone_gmt_1200,
6876 "12.75" => $lang->timezone_gmt_1275,
6877 "13" => $lang->timezone_gmt_1300,
6878 "14" => $lang->timezone_gmt_1400
6879 );
6880 return $timezones;
6881}
6882
6883/**
6884 * Build a time zone selection list.
6885 *
6886 * @param string $name The name of the select
6887 * @param int $selected The selected time zone (defaults to GMT)
6888 * @param boolean $short True to generate a "short" list with just timezone and current time
6889 * @return string
6890 */
6891function build_timezone_select($name, $selected=0, $short=false)
6892{
6893 global $mybb, $lang, $templates;
6894
6895 $timezones = get_supported_timezones();
6896
6897 $selected = str_replace("+", "", $selected);
6898 foreach($timezones as $timezone => $label)
6899 {
6900 $selected_add = "";
6901 if($selected == $timezone)
6902 {
6903 $selected_add = " selected=\"selected\"";
6904 }
6905 if($short == true)
6906 {
6907 $label = '';
6908 if($timezone != 0)
6909 {
6910 $label = $timezone;
6911 if($timezone > 0)
6912 {
6913 $label = "+{$label}";
6914 }
6915 if(strpos($timezone, ".") !== false)
6916 {
6917 $label = str_replace(".", ":", $label);
6918 $label = str_replace(":5", ":30", $label);
6919 $label = str_replace(":75", ":45", $label);
6920 }
6921 else
6922 {
6923 $label .= ":00";
6924 }
6925 }
6926 $time_in_zone = my_date($mybb->settings['timeformat'], TIME_NOW, $timezone);
6927 $label = $lang->sprintf($lang->timezone_gmt_short, $label." ", $time_in_zone);
6928 }
6929
6930 eval("\$timezone_option .= \"".$templates->get("usercp_options_timezone_option")."\";");
6931 }
6932
6933 eval("\$select = \"".$templates->get("usercp_options_timezone")."\";");
6934 return $select;
6935}
6936
6937/**
6938 * Fetch the contents of a remote file.
6939 *
6940 * @param string $url The URL of the remote file
6941 * @param array $post_data The array of post data
6942 * @param int $max_redirects Number of maximum redirects
6943 * @return string|bool The remote file contents. False on failure
6944 */
6945function fetch_remote_file($url, $post_data=array(), $max_redirects=20)
6946{
6947 global $mybb, $config;
6948
6949 if(!my_validate_url($url, true))
6950 {
6951 return false;
6952 }
6953
6954 $url_components = @parse_url($url);
6955
6956 if(!isset($url_components['scheme']))
6957 {
6958 $url_components['scheme'] = 'https';
6959 }
6960 if(!isset($url_components['port']))
6961 {
6962 $url_components['port'] = $url_components['scheme'] == 'https' ? 443 : 80;
6963 }
6964
6965 if(
6966 !$url_components ||
6967 empty($url_components['host']) ||
6968 (!empty($url_components['scheme']) && !in_array($url_components['scheme'], array('http', 'https'))) ||
6969 (!in_array($url_components['port'], array(80, 8080, 443))) ||
6970 (!empty($config['disallowed_remote_hosts']) && in_array($url_components['host'], $config['disallowed_remote_hosts']))
6971 )
6972 {
6973 return false;
6974 }
6975
6976 $addresses = get_ip_by_hostname($url_components['host']);
6977 $destination_address = $addresses[0];
6978
6979 if(!empty($config['disallowed_remote_addresses']))
6980 {
6981 foreach($config['disallowed_remote_addresses'] as $disallowed_address)
6982 {
6983 $ip_range = fetch_ip_range($disallowed_address);
6984
6985 $packed_address = my_inet_pton($destination_address);
6986
6987 if(is_array($ip_range))
6988 {
6989 if(strcmp($ip_range[0], $packed_address) <= 0 && strcmp($ip_range[1], $packed_address) >= 0)
6990 {
6991 return false;
6992 }
6993 }
6994 elseif($destination_address == $disallowed_address)
6995 {
6996 return false;
6997 }
6998 }
6999 }
7000
7001 $post_body = '';
7002 if(!empty($post_data))
7003 {
7004 foreach($post_data as $key => $val)
7005 {
7006 $post_body .= '&'.urlencode($key).'='.urlencode($val);
7007 }
7008 $post_body = ltrim($post_body, '&');
7009 }
7010
7011 if(function_exists("curl_init"))
7012 {
7013 $fetch_header = $max_redirects > 0;
7014
7015 $ch = curl_init();
7016
7017 $curlopt = array(
7018 CURLOPT_URL => $url,
7019 CURLOPT_HEADER => $fetch_header,
7020 CURLOPT_TIMEOUT => 10,
7021 CURLOPT_RETURNTRANSFER => 1,
7022 CURLOPT_FOLLOWLOCATION => 0,
7023 );
7024
7025 if($ca_bundle_path = get_ca_bundle_path())
7026 {
7027 $curlopt[CURLOPT_SSL_VERIFYPEER] = 1;
7028 $curlopt[CURLOPT_CAINFO] = $ca_bundle_path;
7029 }
7030 else
7031 {
7032 $curlopt[CURLOPT_SSL_VERIFYPEER] = 0;
7033 }
7034
7035 $curl_version_info = curl_version();
7036 $curl_version = $curl_version_info['version'];
7037
7038 if(version_compare(PHP_VERSION, '7.0.7', '>=') && version_compare($curl_version, '7.49', '>='))
7039 {
7040 // CURLOPT_CONNECT_TO
7041 $curlopt[10243] = array(
7042 $url_components['host'].':'.$url_components['port'].':'.$destination_address
7043 );
7044 }
7045 elseif(version_compare(PHP_VERSION, '5.5', '>=') && version_compare($curl_version, '7.21.3', '>='))
7046 {
7047 // CURLOPT_RESOLVE
7048 $curlopt[10203] = array(
7049 $url_components['host'].':'.$url_components['port'].':'.$destination_address
7050 );
7051 }
7052
7053 if(!empty($post_body))
7054 {
7055 $curlopt[CURLOPT_POST] = 1;
7056 $curlopt[CURLOPT_POSTFIELDS] = $post_body;
7057 }
7058
7059 curl_setopt_array($ch, $curlopt);
7060
7061 $response = curl_exec($ch);
7062
7063 if($fetch_header)
7064 {
7065 $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
7066 $header = substr($response, 0, $header_size);
7067 $body = substr($response, $header_size);
7068
7069 if(in_array(curl_getinfo($ch, CURLINFO_HTTP_CODE), array(301, 302)))
7070 {
7071 preg_match('/Location:(.*?)(?:\n|$)/', $header, $matches);
7072
7073 if($matches)
7074 {
7075 $data = fetch_remote_file(trim(array_pop($matches)), $post_data, --$max_redirects);
7076 }
7077 }
7078 else
7079 {
7080 $data = $body;
7081 }
7082 }
7083 else
7084 {
7085 $data = $response;
7086 }
7087
7088 curl_close($ch);
7089 return $data;
7090 }
7091 else if(function_exists("fsockopen"))
7092 {
7093 if(!isset($url_components['path']))
7094 {
7095 $url_components['path'] = "/";
7096 }
7097 if(isset($url_components['query']))
7098 {
7099 $url_components['path'] .= "?{$url_components['query']}";
7100 }
7101
7102 $scheme = '';
7103
7104 if($url_components['scheme'] == 'https')
7105 {
7106 $scheme = 'ssl://';
7107 if($url_components['port'] == 80)
7108 {
7109 $url_components['port'] = 443;
7110 }
7111 }
7112
7113 if(function_exists('stream_context_create'))
7114 {
7115 if($url_components['scheme'] == 'https' && $ca_bundle_path = get_ca_bundle_path())
7116 {
7117 $context = stream_context_create(array(
7118 'ssl' => array(
7119 'verify_peer' => true,
7120 'verify_peer_name' => true,
7121 'peer_name' => $url_components['host'],
7122 'cafile' => $ca_bundle_path,
7123 ),
7124 ));
7125 }
7126 else
7127 {
7128 $context = stream_context_create(array(
7129 'ssl' => array(
7130 'verify_peer' => false,
7131 'verify_peer_name' => false,
7132 ),
7133 ));
7134 }
7135
7136 $fp = @stream_socket_client($scheme.$destination_address.':'.(int)$url_components['port'], $error_no, $error, 10, STREAM_CLIENT_CONNECT, $context);
7137 }
7138 else
7139 {
7140 $fp = @fsockopen($scheme.$url_components['host'], (int)$url_components['port'], $error_no, $error, 10);
7141 }
7142
7143 @stream_set_timeout($fp, 10);
7144 if(!$fp)
7145 {
7146 return false;
7147 }
7148 $headers = array();
7149 if(!empty($post_body))
7150 {
7151 $headers[] = "POST {$url_components['path']} HTTP/1.0";
7152 $headers[] = "Content-Length: ".strlen($post_body);
7153 $headers[] = "Content-Type: application/x-www-form-urlencoded";
7154 }
7155 else
7156 {
7157 $headers[] = "GET {$url_components['path']} HTTP/1.0";
7158 }
7159
7160 $headers[] = "Host: {$url_components['host']}";
7161 $headers[] = "Connection: Close";
7162 $headers[] = '';
7163
7164 if(!empty($post_body))
7165 {
7166 $headers[] = $post_body;
7167 }
7168 else
7169 {
7170 // If we have no post body, we need to add an empty element to make sure we've got \r\n\r\n before the (non-existent) body starts
7171 $headers[] = '';
7172 }
7173
7174 $headers = implode("\r\n", $headers);
7175 if(!@fwrite($fp, $headers))
7176 {
7177 return false;
7178 }
7179
7180 $data = null;
7181
7182 while(!feof($fp))
7183 {
7184 $data .= fgets($fp, 12800);
7185 }
7186 fclose($fp);
7187
7188 $data = explode("\r\n\r\n", $data, 2);
7189
7190 $header = $data[0];
7191 $status_line = current(explode("\n\n", $header, 1));
7192 $body = $data[1];
7193
7194 if($max_redirects > 0 && (strstr($status_line, ' 301 ') || strstr($status_line, ' 302 ')))
7195 {
7196 preg_match('/Location:(.*?)(?:\n|$)/', $header, $matches);
7197
7198 if($matches)
7199 {
7200 $data = fetch_remote_file(trim(array_pop($matches)), $post_data, --$max_redirects);
7201 }
7202 }
7203 else
7204 {
7205 $data = $body;
7206 }
7207
7208 return $data;
7209 }
7210 else
7211 {
7212 return false;
7213 }
7214}
7215
7216/**
7217 * Resolves a hostname into a set of IP addresses.
7218 *
7219 * @param string $hostname The hostname to be resolved
7220 * @return array|bool The resulting IP addresses. False on failure
7221 */
7222function get_ip_by_hostname($hostname)
7223{
7224 $addresses = @gethostbynamel($hostname);
7225
7226 if(!$addresses)
7227 {
7228 $result_set = @dns_get_record($hostname, DNS_A | DNS_AAAA);
7229
7230 if($result_set)
7231 {
7232 $addresses = array_column($result_set, 'ip');
7233 }
7234 else
7235 {
7236 return false;
7237 }
7238 }
7239
7240 return $addresses;
7241}
7242
7243/**
7244 * Returns the location of the CA bundle defined in the PHP configuration.
7245 *
7246 * @return string|bool The location of the CA bundle, false if not set
7247 */
7248function get_ca_bundle_path()
7249{
7250 if($path = ini_get('openssl.cafile'))
7251 {
7252 return $path;
7253 }
7254 if($path = ini_get('curl.cainfo'))
7255 {
7256 return $path;
7257 }
7258
7259 return false;
7260}
7261
7262/**
7263 * Checks if a particular user is a super administrator.
7264 *
7265 * @param int $uid The user ID to check against the list of super admins
7266 * @return boolean True if a super admin, false if not
7267 */
7268function is_super_admin($uid)
7269{
7270 static $super_admins;
7271
7272 if(!isset($super_admins))
7273 {
7274 global $mybb;
7275 $super_admins = str_replace(" ", "", $mybb->config['super_admins']);
7276 }
7277
7278 if(my_strpos(",{$super_admins},", ",{$uid},") === false)
7279 {
7280 return false;
7281 }
7282 else
7283 {
7284 return true;
7285 }
7286}
7287
7288/**
7289 * Checks if a user is a member of a particular group
7290 * Originates from frostschutz's PluginLibrary
7291 * github.com/frostschutz
7292 *
7293 * @param array|int|string A selection of groups (as array or comma seperated) to check or -1 for any group
7294 * @param bool|array|int False assumes the current user. Otherwise an user array or an id can be passed
7295 * @return array Array of groups specified in the first param to which the user belongs
7296 */
7297function is_member($groups, $user = false)
7298{
7299 global $mybb;
7300
7301 if(empty($groups))
7302 {
7303 return array();
7304 }
7305
7306 if($user == false)
7307 {
7308 $user = $mybb->user;
7309 }
7310 else if(!is_array($user))
7311 {
7312 // Assume it's a UID
7313 $user = get_user($user);
7314 }
7315
7316 $memberships = array_map('intval', explode(',', $user['additionalgroups']));
7317 $memberships[] = $user['usergroup'];
7318
7319 if(!is_array($groups))
7320 {
7321 if((int)$groups == -1)
7322 {
7323 return $memberships;
7324 }
7325 else
7326 {
7327 if(is_string($groups))
7328 {
7329 $groups = explode(',', $groups);
7330 }
7331 else
7332 {
7333 $groups = (array)$groups;
7334 }
7335 }
7336 }
7337
7338 $groups = array_filter(array_map('intval', $groups));
7339
7340 return array_intersect($groups, $memberships);
7341}
7342
7343/**
7344 * Split a string based on the specified delimeter, ignoring said delimeter in escaped strings.
7345 * Ex: the "quick brown fox" jumped, could return 1 => the, 2 => quick brown fox, 3 => jumped
7346 *
7347 * @param string $delimeter The delimeter to split by
7348 * @param string $string The string to split
7349 * @param string $escape The escape character or string if we have one.
7350 * @return array Array of split string
7351 */
7352function escaped_explode($delimeter, $string, $escape="")
7353{
7354 $strings = array();
7355 $original = $string;
7356 $in_escape = false;
7357 if($escape)
7358 {
7359 if(is_array($escape))
7360 {
7361 function escaped_explode_escape($string)
7362 {
7363 return preg_quote($string, "#");
7364 }
7365 $escape_preg = "(".implode("|", array_map("escaped_explode_escape", $escape)).")";
7366 }
7367 else
7368 {
7369 $escape_preg = preg_quote($escape, "#");
7370 }
7371 $quoted_strings = preg_split("#(?<!\\\){$escape_preg}#", $string);
7372 }
7373 else
7374 {
7375 $quoted_strings = array($string);
7376 }
7377 foreach($quoted_strings as $string)
7378 {
7379 if($string != "")
7380 {
7381 if($in_escape)
7382 {
7383 $strings[] = trim($string);
7384 }
7385 else
7386 {
7387 $split_strings = explode($delimeter, $string);
7388 foreach($split_strings as $string)
7389 {
7390 if($string == "") continue;
7391 $strings[] = trim($string);
7392 }
7393 }
7394 }
7395 $in_escape = !$in_escape;
7396 }
7397 if(!count($strings))
7398 {
7399 return $original;
7400 }
7401 return $strings;
7402}
7403
7404/**
7405 * DEPRECATED! Please use IPv6 compatible fetch_ip_range!
7406 * Fetch an IPv4 long formatted range for searching IPv4 IP addresses.
7407 *
7408 * @deprecated
7409 * @param string $ip The IP address to convert to a range based LONG
7410 * @return string|array If a full IP address is provided, the ip2long equivalent, otherwise an array of the upper & lower extremities of the IP
7411 */
7412function fetch_longipv4_range($ip)
7413{
7414 $ip_bits = explode(".", $ip);
7415 $ip_string1 = $ip_string2 = "";
7416
7417 if($ip == "*")
7418 {
7419 return array(ip2long('0.0.0.0'), ip2long('255.255.255.255'));
7420 }
7421
7422 if(strpos($ip, ".*") === false)
7423 {
7424 $ip = str_replace("*", "", $ip);
7425 if(count($ip_bits) == 4)
7426 {
7427 return ip2long($ip);
7428 }
7429 else
7430 {
7431 return array(ip2long($ip.".0"), ip2long($ip.".255"));
7432 }
7433 }
7434 // Wildcard based IP provided
7435 else
7436 {
7437 $sep = "";
7438 foreach($ip_bits as $piece)
7439 {
7440 if($piece == "*")
7441 {
7442 $ip_string1 .= $sep."0";
7443 $ip_string2 .= $sep."255";
7444 }
7445 else
7446 {
7447 $ip_string1 .= $sep.$piece;
7448 $ip_string2 .= $sep.$piece;
7449 }
7450 $sep = ".";
7451 }
7452 return array(ip2long($ip_string1), ip2long($ip_string2));
7453 }
7454}
7455
7456/**
7457 * Fetch a list of ban times for a user account.
7458 *
7459 * @return array Array of ban times
7460 */
7461function fetch_ban_times()
7462{
7463 global $plugins, $lang;
7464
7465 // Days-Months-Years
7466 $ban_times = array(
7467 "1-0-0" => "1 {$lang->day}",
7468 "2-0-0" => "2 {$lang->days}",
7469 "3-0-0" => "3 {$lang->days}",
7470 "4-0-0" => "4 {$lang->days}",
7471 "5-0-0" => "5 {$lang->days}",
7472 "6-0-0" => "6 {$lang->days}",
7473 "7-0-0" => "1 {$lang->week}",
7474 "14-0-0" => "2 {$lang->weeks}",
7475 "21-0-0" => "3 {$lang->weeks}",
7476 "0-1-0" => "1 {$lang->month}",
7477 "0-2-0" => "2 {$lang->months}",
7478 "0-3-0" => "3 {$lang->months}",
7479 "0-4-0" => "4 {$lang->months}",
7480 "0-5-0" => "5 {$lang->months}",
7481 "0-6-0" => "6 {$lang->months}",
7482 "0-0-1" => "1 {$lang->year}",
7483 "0-0-2" => "2 {$lang->years}"
7484 );
7485
7486 $ban_times = $plugins->run_hooks("functions_fetch_ban_times", $ban_times);
7487
7488 $ban_times['---'] = $lang->permanent;
7489 return $ban_times;
7490}
7491
7492/**
7493 * Format a ban length in to a UNIX timestamp.
7494 *
7495 * @param string $date The ban length string
7496 * @param int $stamp The optional UNIX timestamp, if 0, current time is used.
7497 * @return int The UNIX timestamp when the ban will be lifted
7498 */
7499function ban_date2timestamp($date, $stamp=0)
7500{
7501 if($stamp == 0)
7502 {
7503 $stamp = TIME_NOW;
7504 }
7505 $d = explode('-', $date);
7506 $nowdate = date("H-j-n-Y", $stamp);
7507 $n = explode('-', $nowdate);
7508 $n[1] += $d[0];
7509 $n[2] += $d[1];
7510 $n[3] += $d[2];
7511 return mktime(date("G", $stamp), date("i", $stamp), 0, $n[2], $n[1], $n[3]);
7512}
7513
7514/**
7515 * Expire old warnings in the database.
7516 *
7517 * @return bool
7518 */
7519function expire_warnings()
7520{
7521 global $warningshandler;
7522
7523 if(!is_object($warningshandler))
7524 {
7525 require_once MYBB_ROOT.'inc/datahandlers/warnings.php';
7526 $warningshandler = new WarningsHandler('update');
7527 }
7528
7529 return $warningshandler->expire_warnings();
7530}
7531
7532/**
7533 * Custom chmod function to fix problems with hosts who's server configurations screw up umasks
7534 *
7535 * @param string $file The file to chmod
7536 * @param string $mode The mode to chmod(i.e. 0666)
7537 * @return bool
7538 */
7539function my_chmod($file, $mode)
7540{
7541 // Passing $mode as an octal number causes strlen and substr to return incorrect values. Instead pass as a string
7542 if(substr($mode, 0, 1) != '0' || strlen($mode) !== 4)
7543 {
7544 return false;
7545 }
7546 $old_umask = umask(0);
7547
7548 // We convert the octal string to a decimal number because passing a octal string doesn't work with chmod
7549 // and type casting subsequently removes the prepended 0 which is needed for octal numbers
7550 $result = chmod($file, octdec($mode));
7551 umask($old_umask);
7552 return $result;
7553}
7554
7555/**
7556 * Custom rmdir function to loop through an entire directory and delete all files/folders within
7557 *
7558 * @param string $path The path to the directory
7559 * @param array $ignore Any files you wish to ignore (optional)
7560 * @return bool
7561 */
7562function my_rmdir_recursive($path, $ignore=array())
7563{
7564 global $orig_dir;
7565
7566 if(!isset($orig_dir))
7567 {
7568 $orig_dir = $path;
7569 }
7570
7571 if(@is_dir($path) && !@is_link($path))
7572 {
7573 if($dh = @opendir($path))
7574 {
7575 while(($file = @readdir($dh)) !== false)
7576 {
7577 if($file == '.' || $file == '..' || $file == '.svn' || in_array($path.'/'.$file, $ignore) || !my_rmdir_recursive($path.'/'.$file))
7578 {
7579 continue;
7580 }
7581 }
7582 @closedir($dh);
7583 }
7584
7585 // Are we done? Don't delete the main folder too and return true
7586 if($path == $orig_dir)
7587 {
7588 return true;
7589 }
7590
7591 return @rmdir($path);
7592 }
7593
7594 return @unlink($path);
7595}
7596
7597/**
7598 * Counts the number of subforums in a array([pid][disporder][fid]) starting from the pid
7599 *
7600 * @param array $array The array of forums
7601 * @return integer The number of sub forums
7602 */
7603function subforums_count($array)
7604{
7605 $count = 0;
7606 foreach($array as $array2)
7607 {
7608 $count += count($array2);
7609 }
7610
7611 return $count;
7612}
7613
7614/**
7615 * DEPRECATED! Please use IPv6 compatible my_inet_pton!
7616 * Fix for PHP's ip2long to guarantee a 32-bit signed integer value is produced (this is aimed
7617 * at 64-bit versions of PHP)
7618 *
7619 * @deprecated
7620 * @param string $ip The IP to convert
7621 * @return integer IP in 32-bit signed format
7622 */
7623function my_ip2long($ip)
7624{
7625 $ip_long = ip2long($ip);
7626
7627 if(!$ip_long)
7628 {
7629 $ip_long = sprintf("%u", ip2long($ip));
7630
7631 if(!$ip_long)
7632 {
7633 return 0;
7634 }
7635 }
7636
7637 if($ip_long >= 2147483648) // Won't occur on 32-bit PHP
7638 {
7639 $ip_long -= 4294967296;
7640 }
7641
7642 return $ip_long;
7643}
7644
7645/**
7646 * DEPRECATED! Please use IPv6 compatible my_inet_ntop!
7647 * As above, fix for PHP's long2ip on 64-bit versions
7648 *
7649 * @deprecated
7650 * @param integer $long The IP to convert (will accept 64-bit IPs as well)
7651 * @return string IP in IPv4 format
7652 */
7653function my_long2ip($long)
7654{
7655 // On 64-bit machines is_int will return true. On 32-bit it will return false
7656 if($long < 0 && is_int(2147483648))
7657 {
7658 // We have a 64-bit system
7659 $long += 4294967296;
7660 }
7661 return long2ip($long);
7662}
7663
7664/**
7665 * Converts a human readable IP address to its packed in_addr representation
7666 *
7667 * @param string $ip The IP to convert
7668 * @return string IP in 32bit or 128bit binary format
7669 */
7670function my_inet_pton($ip)
7671{
7672 if(function_exists('inet_pton'))
7673 {
7674 return @inet_pton($ip);
7675 }
7676 else
7677 {
7678 /**
7679 * Replace inet_pton()
7680 *
7681 * @category PHP
7682 * @package PHP_Compat
7683 * @license LGPL - http://www.gnu.org/licenses/lgpl.html
7684 * @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
7685 * @link http://php.net/inet_pton
7686 * @author Arpad Ray <arpad@php.net>
7687 * @version $Revision: 269597 $
7688 */
7689 $r = ip2long($ip);
7690 if($r !== false && $r != -1)
7691 {
7692 return pack('N', $r);
7693 }
7694
7695 $delim_count = substr_count($ip, ':');
7696 if($delim_count < 1 || $delim_count > 7)
7697 {
7698 return false;
7699 }
7700
7701 $r = explode(':', $ip);
7702 $rcount = count($r);
7703 if(($doub = array_search('', $r, 1)) !== false)
7704 {
7705 $length = (!$doub || $doub == $rcount - 1 ? 2 : 1);
7706 array_splice($r, $doub, $length, array_fill(0, 8 + $length - $rcount, 0));
7707 }
7708
7709 $r = array_map('hexdec', $r);
7710 array_unshift($r, 'n*');
7711 $r = call_user_func_array('pack', $r);
7712
7713 return $r;
7714 }
7715}
7716
7717/**
7718 * Converts a packed internet address to a human readable representation
7719 *
7720 * @param string $ip IP in 32bit or 128bit binary format
7721 * @return string IP in human readable format
7722 */
7723function my_inet_ntop($ip)
7724{
7725 if(function_exists('inet_ntop'))
7726 {
7727 return @inet_ntop($ip);
7728 }
7729 else
7730 {
7731 /**
7732 * Replace inet_ntop()
7733 *
7734 * @category PHP
7735 * @package PHP_Compat
7736 * @license LGPL - http://www.gnu.org/licenses/lgpl.html
7737 * @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
7738 * @link http://php.net/inet_ntop
7739 * @author Arpad Ray <arpad@php.net>
7740 * @version $Revision: 269597 $
7741 */
7742 switch(strlen($ip))
7743 {
7744 case 4:
7745 list(,$r) = unpack('N', $ip);
7746 return long2ip($r);
7747 case 16:
7748 $r = substr(chunk_split(bin2hex($ip), 4, ':'), 0, -1);
7749 $r = preg_replace(
7750 array('/(?::?\b0+\b:?){2,}/', '/\b0+([^0])/e'),
7751 array('::', '(int)"$1"?"$1":"0$1"'),
7752 $r);
7753 return $r;
7754 }
7755 return false;
7756 }
7757}
7758
7759/**
7760 * Fetch an binary formatted range for searching IPv4 and IPv6 IP addresses.
7761 *
7762 * @param string $ipaddress The IP address to convert to a range
7763 * @return string|array|bool If a full IP address is provided, the in_addr representation, otherwise an array of the upper & lower extremities of the IP. False on failure
7764 */
7765function fetch_ip_range($ipaddress)
7766{
7767 // Wildcard
7768 if(strpos($ipaddress, '*') !== false)
7769 {
7770 if(strpos($ipaddress, ':') !== false)
7771 {
7772 // IPv6
7773 $upper = str_replace('*', 'ffff', $ipaddress);
7774 $lower = str_replace('*', '0', $ipaddress);
7775 }
7776 else
7777 {
7778 // IPv4
7779 $ip_bits = count(explode('.', $ipaddress));
7780 if($ip_bits < 4)
7781 {
7782 // Support for 127.0.*
7783 $replacement = str_repeat('.*', 4-$ip_bits);
7784 $ipaddress = substr_replace($ipaddress, $replacement, strrpos($ipaddress, '*')+1, 0);
7785 }
7786 $upper = str_replace('*', '255', $ipaddress);
7787 $lower = str_replace('*', '0', $ipaddress);
7788 }
7789 $upper = my_inet_pton($upper);
7790 $lower = my_inet_pton($lower);
7791 if($upper === false || $lower === false)
7792 {
7793 return false;
7794 }
7795 return array($lower, $upper);
7796 }
7797 // CIDR notation
7798 elseif(strpos($ipaddress, '/') !== false)
7799 {
7800 $ipaddress = explode('/', $ipaddress);
7801 $ip_address = $ipaddress[0];
7802 $ip_range = (int)$ipaddress[1];
7803
7804 if(empty($ip_address) || empty($ip_range))
7805 {
7806 // Invalid input
7807 return false;
7808 }
7809 else
7810 {
7811 $ip_address = my_inet_pton($ip_address);
7812
7813 if(!$ip_address)
7814 {
7815 // Invalid IP address
7816 return false;
7817 }
7818 }
7819
7820 /**
7821 * Taken from: https://github.com/NewEraCracker/php_work/blob/master/ipRangeCalculate.php
7822 * Author: NewEraCracker
7823 * License: Public Domain
7824 */
7825
7826 // Pack IP, Set some vars
7827 $ip_pack = $ip_address;
7828 $ip_pack_size = strlen($ip_pack);
7829 $ip_bits_size = $ip_pack_size*8;
7830
7831 // IP bits (lots of 0's and 1's)
7832 $ip_bits = '';
7833 for($i = 0; $i < $ip_pack_size; $i = $i+1)
7834 {
7835 $bit = decbin(ord($ip_pack[$i]));
7836 $bit = str_pad($bit, 8, '0', STR_PAD_LEFT);
7837 $ip_bits .= $bit;
7838 }
7839
7840 // Significative bits (from the ip range)
7841 $ip_bits = substr($ip_bits, 0, $ip_range);
7842
7843 // Some calculations
7844 $ip_lower_bits = str_pad($ip_bits, $ip_bits_size, '0', STR_PAD_RIGHT);
7845 $ip_higher_bits = str_pad($ip_bits, $ip_bits_size, '1', STR_PAD_RIGHT);
7846
7847 // Lower IP
7848 $ip_lower_pack = '';
7849 for($i=0; $i < $ip_bits_size; $i=$i+8)
7850 {
7851 $chr = substr($ip_lower_bits, $i, 8);
7852 $chr = chr(bindec($chr));
7853 $ip_lower_pack .= $chr;
7854 }
7855
7856 // Higher IP
7857 $ip_higher_pack = '';
7858 for($i=0; $i < $ip_bits_size; $i=$i+8)
7859 {
7860 $chr = substr($ip_higher_bits, $i, 8);
7861 $chr = chr( bindec($chr) );
7862 $ip_higher_pack .= $chr;
7863 }
7864
7865 return array($ip_lower_pack, $ip_higher_pack);
7866 }
7867 // Just on IP address
7868 else
7869 {
7870 return my_inet_pton($ipaddress);
7871 }
7872}
7873
7874/**
7875 * Time how long it takes for a particular piece of code to run. Place calls above & below the block of code.
7876 *
7877 * @return float The time taken
7878 */
7879function get_execution_time()
7880{
7881 static $time_start;
7882
7883 $time = microtime(true);
7884
7885 // Just starting timer, init and return
7886 if(!$time_start)
7887 {
7888 $time_start = $time;
7889 return;
7890 }
7891 // Timer has run, return execution time
7892 else
7893 {
7894 $total = $time-$time_start;
7895 if($total < 0) $total = 0;
7896 $time_start = 0;
7897 return $total;
7898 }
7899}
7900
7901/**
7902 * Processes a checksum list on MyBB files and returns a result set
7903 *
7904 * @param string $path The base path
7905 * @param int $count The count of files
7906 * @return array The bad files
7907 */
7908function verify_files($path=MYBB_ROOT, $count=0)
7909{
7910 global $mybb, $checksums, $bad_verify_files;
7911
7912 // We don't need to check these types of files
7913 $ignore = array(".", "..", ".svn", "config.php", "settings.php", "Thumb.db", "config.default.php", "lock", "htaccess.txt", "htaccess-nginx.txt", "logo.gif", "logo.png");
7914 $ignore_ext = array("attach");
7915
7916 if(substr($path, -1, 1) == "/")
7917 {
7918 $path = substr($path, 0, -1);
7919 }
7920
7921 if(!is_array($bad_verify_files))
7922 {
7923 $bad_verify_files = array();
7924 }
7925
7926 // Make sure that we're in a directory and it's not a symbolic link
7927 if(@is_dir($path) && !@is_link($path))
7928 {
7929 if($dh = @opendir($path))
7930 {
7931 // Loop through all the files/directories in this directory
7932 while(($file = @readdir($dh)) !== false)
7933 {
7934 if(in_array($file, $ignore) || in_array(get_extension($file), $ignore_ext))
7935 {
7936 continue;
7937 }
7938
7939 // Recurse through the directory tree
7940 if(is_dir($path."/".$file))
7941 {
7942 verify_files($path."/".$file, ($count+1));
7943 continue;
7944 }
7945
7946 // We only need the last part of the path (from the MyBB directory to the file. i.e. inc/functions.php)
7947 $file_path = ".".str_replace(substr(MYBB_ROOT, 0, -1), "", $path)."/".$file;
7948
7949 // Does this file even exist in our official list? Perhaps it's a plugin
7950 if(array_key_exists($file_path, $checksums))
7951 {
7952 $filename = $path."/".$file;
7953 $handle = fopen($filename, "rb");
7954 $hashingContext = hash_init('sha512');
7955 while(!feof($handle))
7956 {
7957 hash_update($hashingContext, fread($handle, 8192));
7958 }
7959 fclose($handle);
7960
7961 $checksum = hash_final($hashingContext);
7962
7963 // Does it match any of our hashes (unix/windows new lines taken into consideration with the hashes)
7964 if(!in_array($checksum, $checksums[$file_path]))
7965 {
7966 $bad_verify_files[] = array("status" => "changed", "path" => $file_path);
7967 }
7968 }
7969 unset($checksums[$file_path]);
7970 }
7971 @closedir($dh);
7972 }
7973 }
7974
7975 if($count == 0)
7976 {
7977 if(!empty($checksums))
7978 {
7979 foreach($checksums as $file_path => $hashes)
7980 {
7981 if(in_array(basename($file_path), $ignore))
7982 {
7983 continue;
7984 }
7985 $bad_verify_files[] = array("status" => "missing", "path" => $file_path);
7986 }
7987 }
7988 }
7989
7990 // uh oh
7991 if($count == 0)
7992 {
7993 return $bad_verify_files;
7994 }
7995}
7996
7997/**
7998 * Returns a signed value equal to an integer
7999 *
8000 * @param int $int The integer
8001 * @return string The signed equivalent
8002 */
8003function signed($int)
8004{
8005 if($int < 0)
8006 {
8007 return "$int";
8008 }
8009 else
8010 {
8011 return "+$int";
8012 }
8013}
8014
8015/**
8016 * Returns a securely generated seed
8017 *
8018 * @return string A secure binary seed
8019 */
8020function secure_binary_seed_rng($bytes)
8021{
8022 $output = null;
8023
8024 if(version_compare(PHP_VERSION, '7.0', '>='))
8025 {
8026 try
8027 {
8028 $output = random_bytes($bytes);
8029 } catch (Exception $e) {
8030 }
8031 }
8032
8033 if(strlen($output) < $bytes)
8034 {
8035 if(@is_readable('/dev/urandom') && ($handle = @fopen('/dev/urandom', 'rb')))
8036 {
8037 $output = @fread($handle, $bytes);
8038 @fclose($handle);
8039 }
8040 }
8041 else
8042 {
8043 return $output;
8044 }
8045
8046 if(strlen($output) < $bytes)
8047 {
8048 if(function_exists('mcrypt_create_iv'))
8049 {
8050 if (DIRECTORY_SEPARATOR == '/')
8051 {
8052 $source = MCRYPT_DEV_URANDOM;
8053 }
8054 else
8055 {
8056 $source = MCRYPT_RAND;
8057 }
8058
8059 $output = @mcrypt_create_iv($bytes, $source);
8060 }
8061 }
8062 else
8063 {
8064 return $output;
8065 }
8066
8067 if(strlen($output) < $bytes)
8068 {
8069 if(function_exists('openssl_random_pseudo_bytes'))
8070 {
8071 // PHP <5.3.4 had a bug which makes that function unusable on Windows
8072 if ((DIRECTORY_SEPARATOR == '/') || version_compare(PHP_VERSION, '5.3.4', '>='))
8073 {
8074 $output = openssl_random_pseudo_bytes($bytes, $crypto_strong);
8075 if ($crypto_strong == false)
8076 {
8077 $output = null;
8078 }
8079 }
8080 }
8081 }
8082 else
8083 {
8084 return $output;
8085 }
8086
8087 if(strlen($output) < $bytes)
8088 {
8089 if(class_exists('COM'))
8090 {
8091 try
8092 {
8093 $CAPI_Util = new COM('CAPICOM.Utilities.1');
8094 if(is_callable(array($CAPI_Util, 'GetRandom')))
8095 {
8096 $output = $CAPI_Util->GetRandom($bytes, 0);
8097 }
8098 } catch (Exception $e) {
8099 }
8100 }
8101 }
8102 else
8103 {
8104 return $output;
8105 }
8106
8107 if(strlen($output) < $bytes)
8108 {
8109 // Close to what PHP basically uses internally to seed, but not quite.
8110 $unique_state = microtime().@getmypid();
8111
8112 $rounds = ceil($bytes / 16);
8113
8114 for($i = 0; $i < $rounds; $i++)
8115 {
8116 $unique_state = md5(microtime().$unique_state);
8117 $output .= md5($unique_state);
8118 }
8119
8120 $output = substr($output, 0, ($bytes * 2));
8121
8122 $output = pack('H*', $output);
8123
8124 return $output;
8125 }
8126 else
8127 {
8128 return $output;
8129 }
8130}
8131
8132/**
8133 * Returns a securely generated seed integer
8134 *
8135 * @return int An integer equivalent of a secure hexadecimal seed
8136 */
8137function secure_seed_rng()
8138{
8139 $bytes = PHP_INT_SIZE;
8140
8141 do
8142 {
8143
8144 $output = secure_binary_seed_rng($bytes);
8145
8146 // convert binary data to a decimal number
8147 if ($bytes == 4)
8148 {
8149 $elements = unpack('i', $output);
8150 $output = abs($elements[1]);
8151 }
8152 else
8153 {
8154 $elements = unpack('N2', $output);
8155 $output = abs($elements[1] << 32 | $elements[2]);
8156 }
8157
8158 } while($output > PHP_INT_MAX);
8159
8160 return $output;
8161}
8162
8163/**
8164 * Generates a cryptographically secure random number.
8165 *
8166 * @param int $min Optional lowest value to be returned (default: 0)
8167 * @param int $max Optional highest value to be returned (default: PHP_INT_MAX)
8168 */
8169function my_rand($min=0, $max=PHP_INT_MAX)
8170{
8171 // backward compatibility
8172 if($min === null || $max === null || $max < $min)
8173 {
8174 $min = 0;
8175 $max = PHP_INT_MAX;
8176 }
8177
8178 if(version_compare(PHP_VERSION, '7.0', '>='))
8179 {
8180 try
8181 {
8182 $result = random_int($min, $max);
8183 } catch (Exception $e) {
8184 }
8185
8186 if(isset($result))
8187 {
8188 return $result;
8189 }
8190 }
8191
8192 $seed = secure_seed_rng();
8193
8194 $distance = $max - $min;
8195 return $min + floor($distance * ($seed / PHP_INT_MAX) );
8196}
8197
8198/**
8199 * More robust version of PHP's trim() function. It includes a list of UTF-8 blank characters
8200 * from http://kb.mozillazine.org/Network.IDN.blacklist_chars
8201 *
8202 * @param string $string The string to trim from
8203 * @param string $charlist Optional. The stripped characters can also be specified using the charlist parameter
8204 * @return string The trimmed string
8205 */
8206function trim_blank_chrs($string, $charlist="")
8207{
8208 $hex_chrs = array(
8209 0x09 => 1, // \x{0009}
8210 0x0A => 1, // \x{000A}
8211 0x0B => 1, // \x{000B}
8212 0x0D => 1, // \x{000D}
8213 0x20 => 1, // \x{0020}
8214 0xC2 => array(0x81 => 1, 0x8D => 1, 0x90 => 1, 0x9D => 1, 0xA0 => 1, 0xAD => 1), // \x{0081}, \x{008D}, \x{0090}, \x{009D}, \x{00A0}, \x{00AD}
8215 0xCC => array(0xB7 => 1, 0xB8 => 1), // \x{0337}, \x{0338}
8216 0xE1 => array(0x85 => array(0x9F => 1, 0xA0 => 1), 0x9A => array(0x80 => 1), 0xA0 => array(0x8E => 1)), // \x{115F}, \x{1160}, \x{1680}, \x{180E}
8217 0xE2 => array(0x80 => array(0x80 => 1, 0x81 => 1, 0x82 => 1, 0x83 => 1, 0x84 => 1, 0x85 => 1, 0x86 => 1, 0x87 => 1, 0x88 => 1, 0x89 => 1, 0x8A => 1, 0x8B => 1, 0x8C => 1, 0x8D => 1, 0x8E => 1, 0x8F => 1, // \x{2000} - \x{200F}
8218 0xA8 => 1, 0xA9 => 1, 0xAA => 1, 0xAB => 1, 0xAC => 1, 0xAD => 1, 0xAE => 1, 0xAF => 1), // \x{2028} - \x{202F}
8219 0x81 => array(0x9F => 1)), // \x{205F}
8220 0xE3 => array(0x80 => array(0x80 => 1), // \x{3000}
8221 0x85 => array(0xA4 => 1)), // \x{3164}
8222 0xEF => array(0xBB => array(0xBF => 1), // \x{FEFF}
8223 0xBE => array(0xA0 => 1), // \x{FFA0}
8224 0xBF => array(0xB9 => 1, 0xBA => 1, 0xBB => 1)), // \x{FFF9} - \x{FFFB}
8225 );
8226
8227 $hex_chrs_rev = array(
8228 0x09 => 1, // \x{0009}
8229 0x0A => 1, // \x{000A}
8230 0x0B => 1, // \x{000B}
8231 0x0D => 1, // \x{000D}
8232 0x20 => 1, // \x{0020}
8233 0x81 => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{0081}, \x{2001}
8234 0x8D => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{008D}, \x{200D}
8235 0x90 => array(0xC2 => 1), // \x{0090}
8236 0x9D => array(0xC2 => 1), // \x{009D}
8237 0xA0 => array(0xC2 => 1, 0x85 => array(0xE1 => 1), 0x81 => array(0xE2 => 1), 0xBE => array(0xEF => 1)), // \x{00A0}, \x{1160}, \x{2060}, \x{FFA0}
8238 0xAD => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{00AD}, \x{202D}
8239 0xB8 => array(0xCC => 1), // \x{0338}
8240 0xB7 => array(0xCC => 1), // \x{0337}
8241 0x9F => array(0x85 => array(0xE1 => 1), 0x81 => array(0xE2 => 1)), // \x{115F}, \x{205F}
8242 0x80 => array(0x9A => array(0xE1 => 1), 0x80 => array(0xE2 => 1, 0xE3 => 1)), // \x{1680}, \x{2000}, \x{3000}
8243 0x8E => array(0xA0 => array(0xE1 => 1), 0x80 => array(0xE2 => 1)), // \x{180E}, \x{200E}
8244 0x82 => array(0x80 => array(0xE2 => 1)), // \x{2002}
8245 0x83 => array(0x80 => array(0xE2 => 1)), // \x{2003}
8246 0x84 => array(0x80 => array(0xE2 => 1)), // \x{2004}
8247 0x85 => array(0x80 => array(0xE2 => 1)), // \x{2005}
8248 0x86 => array(0x80 => array(0xE2 => 1)), // \x{2006}
8249 0x87 => array(0x80 => array(0xE2 => 1)), // \x{2007}
8250 0x88 => array(0x80 => array(0xE2 => 1)), // \x{2008}
8251 0x89 => array(0x80 => array(0xE2 => 1)), // \x{2009}
8252 0x8A => array(0x80 => array(0xE2 => 1)), // \x{200A}
8253 0x8B => array(0x80 => array(0xE2 => 1)), // \x{200B}
8254 0x8C => array(0x80 => array(0xE2 => 1)), // \x{200C}
8255 0x8F => array(0x80 => array(0xE2 => 1)), // \x{200F}
8256 0xA8 => array(0x80 => array(0xE2 => 1)), // \x{2028}
8257 0xA9 => array(0x80 => array(0xE2 => 1)), // \x{2029}
8258 0xAA => array(0x80 => array(0xE2 => 1)), // \x{202A}
8259 0xAB => array(0x80 => array(0xE2 => 1)), // \x{202B}
8260 0xAC => array(0x80 => array(0xE2 => 1)), // \x{202C}
8261 0xAE => array(0x80 => array(0xE2 => 1)), // \x{202E}
8262 0xAF => array(0x80 => array(0xE2 => 1)), // \x{202F}
8263 0xA4 => array(0x85 => array(0xE3 => 1)), // \x{3164}
8264 0xBF => array(0xBB => array(0xEF => 1)), // \x{FEFF}
8265 0xB9 => array(0xBF => array(0xEF => 1)), // \x{FFF9}
8266 0xBA => array(0xBF => array(0xEF => 1)), // \x{FFFA}
8267 0xBB => array(0xBF => array(0xEF => 1)), // \x{FFFB}
8268 );
8269
8270 // Start from the beginning and work our way in
8271 do
8272 {
8273 // Check to see if we have matched a first character in our utf-8 array
8274 $offset = match_sequence($string, $hex_chrs);
8275 if(!$offset)
8276 {
8277 // If not, then we must have a "good" character and we don't need to do anymore processing
8278 break;
8279 }
8280 $string = substr($string, $offset);
8281 }
8282 while(++$i);
8283
8284 // Start from the end and work our way in
8285 $string = strrev($string);
8286 do
8287 {
8288 // Check to see if we have matched a first character in our utf-8 array
8289 $offset = match_sequence($string, $hex_chrs_rev);
8290 if(!$offset)
8291 {
8292 // If not, then we must have a "good" character and we don't need to do anymore processing
8293 break;
8294 }
8295 $string = substr($string, $offset);
8296 }
8297 while(++$i);
8298 $string = strrev($string);
8299
8300 if($charlist)
8301 {
8302 $string = trim($string, $charlist);
8303 }
8304 else
8305 {
8306 $string = trim($string);
8307 }
8308
8309 return $string;
8310}
8311
8312/**
8313 * Match a sequence
8314 *
8315 * @param string $string The string to match from
8316 * @param array $array The array to match from
8317 * @param int $i Number in the string
8318 * @param int $n Number of matches
8319 * @return int The number matched
8320 */
8321function match_sequence($string, $array, $i=0, $n=0)
8322{
8323 if($string === "")
8324 {
8325 return 0;
8326 }
8327
8328 $ord = ord($string[$i]);
8329 if(array_key_exists($ord, $array))
8330 {
8331 $level = $array[$ord];
8332 ++$n;
8333 if(is_array($level))
8334 {
8335 ++$i;
8336 return match_sequence($string, $level, $i, $n);
8337 }
8338 return $n;
8339 }
8340
8341 return 0;
8342}
8343
8344/**
8345 * Obtain the version of GD installed.
8346 *
8347 * @return float Version of GD
8348 */
8349function gd_version()
8350{
8351 static $gd_version;
8352
8353 if($gd_version)
8354 {
8355 return $gd_version;
8356 }
8357 if(!extension_loaded('gd'))
8358 {
8359 return;
8360 }
8361
8362 if(function_exists("gd_info"))
8363 {
8364 $gd_info = gd_info();
8365 preg_match('/\d/', $gd_info['GD Version'], $gd);
8366 $gd_version = $gd[0];
8367 }
8368 else
8369 {
8370 ob_start();
8371 phpinfo(8);
8372 $info = ob_get_contents();
8373 ob_end_clean();
8374 $info = stristr($info, 'gd version');
8375 preg_match('/\d/', $info, $gd);
8376 $gd_version = $gd[0];
8377 }
8378
8379 return $gd_version;
8380}
8381
8382/*
8383 * Validates an UTF-8 string.
8384 *
8385 * @param string $input The string to be checked
8386 * @param boolean $allow_mb4 Allow 4 byte UTF-8 characters?
8387 * @param boolean $return Return the cleaned string?
8388 * @return string|boolean Cleaned string or boolean
8389 */
8390function validate_utf8_string($input, $allow_mb4=true, $return=true)
8391{
8392 // Valid UTF-8 sequence?
8393 if(!preg_match('##u', $input))
8394 {
8395 $string = '';
8396 $len = strlen($input);
8397 for($i = 0; $i < $len; $i++)
8398 {
8399 $c = ord($input[$i]);
8400 if($c > 128)
8401 {
8402 if($c > 247 || $c <= 191)
8403 {
8404 if($return)
8405 {
8406 $string .= '?';
8407 continue;
8408 }
8409 else
8410 {
8411 return false;
8412 }
8413 }
8414 elseif($c > 239)
8415 {
8416 $bytes = 4;
8417 }
8418 elseif($c > 223)
8419 {
8420 $bytes = 3;
8421 }
8422 elseif($c > 191)
8423 {
8424 $bytes = 2;
8425 }
8426 if(($i + $bytes) > $len)
8427 {
8428 if($return)
8429 {
8430 $string .= '?';
8431 break;
8432 }
8433 else
8434 {
8435 return false;
8436 }
8437 }
8438 $valid = true;
8439 $multibytes = $input[$i];
8440 while($bytes > 1)
8441 {
8442 $i++;
8443 $b = ord($input[$i]);
8444 if($b < 128 || $b > 191)
8445 {
8446 if($return)
8447 {
8448 $valid = false;
8449 $string .= '?';
8450 break;
8451 }
8452 else
8453 {
8454 return false;
8455 }
8456 }
8457 else
8458 {
8459 $multibytes .= $input[$i];
8460 }
8461 $bytes--;
8462 }
8463 if($valid)
8464 {
8465 $string .= $multibytes;
8466 }
8467 }
8468 else
8469 {
8470 $string .= $input[$i];
8471 }
8472 }
8473 $input = $string;
8474 }
8475 if($return)
8476 {
8477 if($allow_mb4)
8478 {
8479 return $input;
8480 }
8481 else
8482 {
8483 return preg_replace("#[^\\x00-\\x7F][\\x80-\\xBF]{3,}#", '?', $input);
8484 }
8485 }
8486 else
8487 {
8488 if($allow_mb4)
8489 {
8490 return true;
8491 }
8492 else
8493 {
8494 return !preg_match("#[^\\x00-\\x7F][\\x80-\\xBF]{3,}#", $input);
8495 }
8496 }
8497}
8498
8499/**
8500 * Send a Private Message to a user.
8501 *
8502 * @param array $pm Array containing: 'subject', 'message', 'touid' and 'receivepms' (the latter should reflect the value found in the users table: receivepms and receivefrombuddy)
8503 * @param int $fromid Sender UID (0 if you want to use $mybb->user['uid'] or -1 to use MyBB Engine)
8504 * @param bool $admin_override Whether or not do override user defined options for receiving PMs
8505 * @return bool True if PM sent
8506 */
8507function send_pm($pm, $fromid = 0, $admin_override=false)
8508{
8509 global $lang, $mybb, $db, $session;
8510
8511 if($mybb->settings['enablepms'] == 0)
8512 {
8513 return false;
8514 }
8515
8516 if(!is_array($pm))
8517 {
8518 return false;
8519 }
8520
8521 if(isset($pm['language']))
8522 {
8523 if($pm['language'] != $mybb->user['language'] && $lang->language_exists($pm['language']))
8524 {
8525 // Load user language
8526 $lang->set_language($pm['language']);
8527 $lang->load($pm['language_file']);
8528
8529 $revert = true;
8530 }
8531
8532 foreach(array('subject', 'message') as $key)
8533 {
8534 if(is_array($pm[$key]))
8535 {
8536 $lang_string = $lang->{$pm[$key][0]};
8537 $num_args = count($pm[$key]);
8538
8539 for($i = 1; $i < $num_args; $i++)
8540 {
8541 $lang_string = str_replace('{'.$i.'}', $pm[$key][$i], $lang_string);
8542 }
8543 }
8544 else
8545 {
8546 $lang_string = $lang->{$pm[$key]};
8547 }
8548
8549 $pm[$key] = $lang_string;
8550 }
8551
8552 if(isset($revert))
8553 {
8554 // Revert language
8555 $lang->set_language($mybb->user['language']);
8556 $lang->load($pm['language_file']);
8557 }
8558 }
8559
8560 if(!$pm['subject'] ||!$pm['message'] || !$pm['touid'] || (!$pm['receivepms'] && !$admin_override))
8561 {
8562 return false;
8563 }
8564
8565 require_once MYBB_ROOT."inc/datahandlers/pm.php";
8566
8567 $pmhandler = new PMDataHandler();
8568
8569 $subject = $pm['subject'];
8570 $message = $pm['message'];
8571 $toid = $pm['touid'];
8572
8573 // Our recipients
8574 if(is_array($toid))
8575 {
8576 $recipients_to = $toid;
8577 }
8578 else
8579 {
8580 $recipients_to = array($toid);
8581 }
8582
8583 $recipients_bcc = array();
8584
8585 // Determine user ID
8586 if((int)$fromid == 0)
8587 {
8588 $fromid = (int)$mybb->user['uid'];
8589 }
8590 elseif((int)$fromid < 0)
8591 {
8592 $fromid = 0;
8593 }
8594
8595 // Build our final PM array
8596 $pm = array(
8597 "subject" => $subject,
8598 "message" => $message,
8599 "icon" => -1,
8600 "fromid" => $fromid,
8601 "toid" => $recipients_to,
8602 "bccid" => $recipients_bcc,
8603 "do" => '',
8604 "pmid" => ''
8605 );
8606
8607 if(isset($session))
8608 {
8609 $pm['ipaddress'] = $session->packedip;
8610 }
8611
8612 $pm['options'] = array(
8613 "disablesmilies" => 0,
8614 "savecopy" => 0,
8615 "readreceipt" => 0
8616 );
8617
8618 $pm['saveasdraft'] = 0;
8619
8620 // Admin override
8621 $pmhandler->admin_override = (int)$admin_override;
8622
8623 $pmhandler->set_data($pm);
8624
8625 if($pmhandler->validate_pm())
8626 {
8627 $pmhandler->insert_pm();
8628 return true;
8629 }
8630
8631 return false;
8632}
8633
8634/**
8635 * Log a user spam block from StopForumSpam (or other spam service providers...)
8636 *
8637 * @param string $username The username that the user was using.
8638 * @param string $email The email address the user was using.
8639 * @param string $ip_address The IP addres of the user.
8640 * @param array $data An array of extra data to go with the block (eg: confidence rating).
8641 * @return bool Whether the action was logged successfully.
8642 */
8643function log_spam_block($username = '', $email = '', $ip_address = '', $data = array())
8644{
8645 global $db, $session;
8646
8647 if(!is_array($data))
8648 {
8649 $data = array($data);
8650 }
8651
8652 if(!$ip_address)
8653 {
8654 $ip_address = get_ip();
8655 }
8656
8657 $ip_address = my_inet_pton($ip_address);
8658
8659 $insert_array = array(
8660 'username' => $db->escape_string($username),
8661 'email' => $db->escape_string($email),
8662 'ipaddress' => $db->escape_binary($ip_address),
8663 'dateline' => (int)TIME_NOW,
8664 'data' => $db->escape_string(@my_serialize($data)),
8665 );
8666
8667 return (bool)$db->insert_query('spamlog', $insert_array);
8668}
8669
8670/**
8671 * Copy a file to the CDN.
8672 *
8673 * @param string $file_path The path to the file to upload to the CDN.
8674 *
8675 * @param string $uploaded_path The path the file was uploaded to, reference parameter for when this may be needed.
8676 *
8677 * @return bool Whether the file was copied successfully.
8678 */
8679function copy_file_to_cdn($file_path = '', &$uploaded_path = null)
8680{
8681 global $mybb, $plugins;
8682
8683 $success = false;
8684
8685 $file_path = (string)$file_path;
8686
8687 $real_file_path = realpath($file_path);
8688
8689 $file_dir_path = dirname($real_file_path);
8690 $file_dir_path = str_replace(MYBB_ROOT, '', $file_dir_path);
8691 $file_dir_path = ltrim($file_dir_path, './\\');
8692
8693 $file_name = basename($real_file_path);
8694
8695 if(file_exists($file_path))
8696 {
8697 if($mybb->settings['usecdn'] && !empty($mybb->settings['cdnpath']))
8698 {
8699 $cdn_path = rtrim($mybb->settings['cdnpath'], '/\\');
8700
8701 if(substr($file_dir_path, 0, my_strlen(MYBB_ROOT)) == MYBB_ROOT)
8702 {
8703 $file_dir_path = str_replace(MYBB_ROOT, '', $file_dir_path);
8704 }
8705
8706 $cdn_upload_path = $cdn_path . DIRECTORY_SEPARATOR . $file_dir_path;
8707
8708 if(!($dir_exists = is_dir($cdn_upload_path)))
8709 {
8710 $dir_exists = @mkdir($cdn_upload_path, 0777, true);
8711 }
8712
8713 if($dir_exists)
8714 {
8715 if(($cdn_upload_path = realpath($cdn_upload_path)) !== false)
8716 {
8717 $success = @copy($file_path, $cdn_upload_path.DIRECTORY_SEPARATOR.$file_name);
8718
8719 if($success)
8720 {
8721 $uploaded_path = $cdn_upload_path;
8722 }
8723 }
8724 }
8725 }
8726
8727 if(is_object($plugins))
8728 {
8729 $hook_args = array(
8730 'file_path' => &$file_path,
8731 'real_file_path' => &$real_file_path,
8732 'file_name' => &$file_name,
8733 'uploaded_path' => &$uploaded_path,
8734 'success' => &$success,
8735 );
8736
8737 $plugins->run_hooks('copy_file_to_cdn_end', $hook_args);
8738 }
8739 }
8740
8741 return $success;
8742}
8743
8744/**
8745 * Validate an url
8746 *
8747 * @param string $url The url to validate.
8748 * @param bool $relative_path Whether or not the url could be a relative path.
8749 * @param bool $allow_local Whether or not the url could be pointing to local networks.
8750 *
8751 * @return bool Whether this is a valid url.
8752 */
8753function my_validate_url($url, $relative_path=false, $allow_local=false)
8754{
8755 if($allow_local)
8756 {
8757 $regex = '_^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@)?(?:(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:localhost|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,}))\.?))(?::\d{2,5})?(?:[/?#]\S*)?$_iuS';
8758 }
8759 else
8760 {
8761 $regex = '_^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?$_iuS';
8762 }
8763
8764 if($relative_path && my_substr($url, 0, 1) == '/' || preg_match($regex, $url))
8765 {
8766 return true;
8767 }
8768 return false;
8769}
8770
8771/**
8772 * Strip html tags from string, also removes <script> and <style> contents.
8773 *
8774 * @deprecated
8775 * @param string $string String to stripe
8776 * @param string $allowable_tags Allowed html tags
8777 *
8778 * @return string Striped string
8779 */
8780function my_strip_tags($string, $allowable_tags = '')
8781{
8782 $pattern = array(
8783 '@(<)style[^(>)]*?(>).*?(<)/style(>)@siu',
8784 '@(<)script[^(>)]*?.*?(<)/script(>)@siu',
8785 '@<style[^>]*?>.*?</style>@siu',
8786 '@<script[^>]*?.*?</script>@siu',
8787 );
8788 $string = preg_replace($pattern, '', $string);
8789 return strip_tags($string, $allowable_tags);
8790}
8791
8792/**
8793 * Escapes a RFC 4180-compliant CSV string.
8794 * Based on https://github.com/Automattic/camptix/blob/f80725094440bf09861383b8f11e96c177c45789/camptix.php#L2867
8795 *
8796 * @param string $string The string to be escaped
8797 * @param boolean $escape_active_content Whether or not to escape active content trigger characters
8798 * @return string The escaped string
8799 */
8800function my_escape_csv($string, $escape_active_content=true)
8801{
8802 if($escape_active_content)
8803 {
8804 $active_content_triggers = array('=', '+', '-', '@');
8805 $delimiters = array(',', ';', ':', '|', '^', "\n", "\t", " ");
8806
8807 $first_character = mb_substr($string, 0, 1);
8808
8809 if(
8810 in_array($first_character, $active_content_triggers, true) ||
8811 in_array($first_character, $delimiters, true)
8812 )
8813 {
8814 $string = "'".$string;
8815 }
8816
8817 foreach($delimiters as $delimiter)
8818 {
8819 foreach($active_content_triggers as $trigger)
8820 {
8821 $string = str_replace($delimiter.$trigger, $delimiter."'".$trigger, $string);
8822 }
8823 }
8824 }
8825
8826 $string = str_replace('"', '""', $string);
8827
8828 return $string;
8829}
8830?>