"; $listed = 0; } } eval("\$posticons = \"".$templates->get("posticons")."\";"); return $posticons; } /** * MyBB setcookie() wrapper. * * @param string The cookie identifier. * @param string The cookie value. * @param int The timestamp of the expiry date. * @param boolean True if setting a HttpOnly cookie (supported by IE, Opera 9, Konqueror) */ function my_setcookie($name, $value="", $expires="", $httponly=false) { global $mybb; if(!$mybb->settings['cookiepath']) { $mybb->settings['cookiepath'] = "/"; } if($expires == -1) { $expires = 0; } elseif($expires == "" || $expires == null) { $expires = TIME_NOW + (60*60*24*365); // Make the cookie expire in a years time } else { $expires = TIME_NOW + intval($expires); } $mybb->settings['cookiepath'] = str_replace(array("\n","\r"), "", $mybb->settings['cookiepath']); $mybb->settings['cookiedomain'] = str_replace(array("\n","\r"), "", $mybb->settings['cookiedomain']); $mybb->settings['cookieprefix'] = str_replace(array("\n","\r", " "), "", $mybb->settings['cookieprefix']); // 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 $cookie = "Set-Cookie: {$mybb->settings['cookieprefix']}{$name}=".urlencode($value); if($expires > 0) { $cookie .= "; expires=".@gmdate('D, d-M-Y H:i:s \\G\\M\\T', $expires); } if(!empty($mybb->settings['cookiepath'])) { $cookie .= "; path={$mybb->settings['cookiepath']}"; } if(!empty($mybb->settings['cookiedomain'])) { $cookie .= "; domain={$mybb->settings['cookiedomain']}"; } if($httponly == true) { $cookie .= "; HttpOnly"; } $mybb->cookies[$name] = $value; header($cookie, false); } /** * Unset a cookie set by MyBB. * * @param string The cookie identifier. */ function my_unsetcookie($name) { global $mybb; $expires = -3600; my_setcookie($name, "", $expires); unset($mybb->cookies[$name]); } /** * Get the contents from a serialised cookie array. * * @param string The cookie identifier. * @param int The cookie content id. * @return array|boolean The cookie id's content array or false when non-existent. */ function my_get_array_cookie($name, $id) { global $mybb; if(!isset($mybb->cookies['mybb'][$name])) { return false; } $cookie = my_unserialize($mybb->cookies['mybb'][$name]); if(is_array($cookie) && isset($cookie[$id])) { return $cookie[$id]; } else { return 0; } } /** * Set a serialised cookie array. * * @param string The cookie identifier. * @param int The cookie content id. * @param string The value to set the cookie to. */ function my_set_array_cookie($name, $id, $value, $expires="") { global $mybb; $cookie = $mybb->cookies['mybb']; $newcookie = my_unserialize($cookie[$name]); $newcookie[$id] = $value; $newcookie = serialize($newcookie); my_setcookie("mybb[$name]", addslashes($newcookie), $expires); // Make sure our current viarables are up-to-date as well $mybb->cookies['mybb'][$name] = $newcookie; } /** * Verifies that data passed is an array * * @param array Data to unserialize * @return array Unserialized data array */ function my_unserialize($data) { $array = unserialize($data); if(!is_array($array)) { $array = array(); } return $array; } /** * Returns the serverload of the system. * * @return int The serverload of the system. */ function get_server_load() { global $lang; $serverload = array(); // DIRECTORY_SEPARATOR checks if running windows if(DIRECTORY_SEPARATOR != '\\') { if(function_exists("sys_getloadavg")) { // sys_getloadavg() will return an array with [0] being load within the last minute. $serverload = sys_getloadavg(); $serverload[0] = round($serverload[0], 4); } else if(@file_exists("/proc/loadavg") && $load = @file_get_contents("/proc/loadavg")) { $serverload = explode(" ", $load); $serverload[0] = round($serverload[0], 4); } if(!is_numeric($serverload[0])) { if(@ini_get('safe_mode') == 'On') { return $lang->unknown; } // Suhosin likes to throw a warning if exec is disabled then die - weird if($func_blacklist = @ini_get('suhosin.executor.func.blacklist')) { if(strpos(",".$func_blacklist.",", 'exec') !== false) { return $lang->unknown; } } // PHP disabled functions? if($func_blacklist = @ini_get('disable_functions')) { if(strpos(",".$func_blacklist.",", 'exec') !== false) { return $lang->unknown; } } $load = @exec("uptime"); $load = explode("load average: ", $load); $serverload = explode(",", $load[1]); if(!is_array($serverload)) { return $lang->unknown; } } } else { return $lang->unknown; } $returnload = trim($serverload[0]); return $returnload; } /** * Returns the amount of memory allocated to the script. * * @return int The amount of memory allocated to the script. */ function get_memory_usage() { if(function_exists('memory_get_peak_usage')) { return memory_get_peak_usage(true); } elseif(function_exists('memory_get_usage')) { return memory_get_usage(true); } return false; } /** * Updates the forum statistics with specific values (or addition/subtraction of the previous value) * * @param array Array of items being updated (numthreads,numposts,numusers) */ function update_stats($changes=array()) { global $cache, $db; $stats = $cache->read("stats"); $counters = array('numthreads','numunapprovedthreads','numposts','numunapprovedposts','numusers'); $update = array(); foreach($counters as $counter) { if(array_key_exists($counter, $changes)) { // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { if(intval($changes[$counter]) != 0) { $new_stats[$counter] = $stats[$counter] + $changes[$counter]; } } else { $new_stats[$counter] = $changes[$counter]; } // Less than 0? That's bad if($new_stats[$counter] < 0) { $new_stats[$counter] = 0; } } } // Fetch latest user if the user count is changing if(array_key_exists('numusers', $changes)) { $query = $db->simple_select("users", "uid, username", "", array('order_by' => 'regdate', 'order_dir' => 'DESC', 'limit' => 1)); $lastmember = $db->fetch_array($query); $new_stats['lastuid'] = $lastmember['uid']; $new_stats['lastusername'] = $lastmember['username']; } if(empty($new_stats)) { return; } if(is_array($stats)) { $stats = array_merge($stats, $new_stats); } else { $stats = $new_stats; } // Update stats row for today in the database $todays_stats = array( "dateline" => mktime(0, 0, 0, date("m"), date("j"), date("Y")), "numusers" => $stats['numusers'], "numthreads" => $stats['numthreads'], "numposts" => $stats['numposts'] ); $db->replace_query("stats", $todays_stats, "dateline"); $cache->update("stats", $stats, "dateline"); } /** * Updates the forum counters with a specific value (or addition/subtraction of the previous value) * * @param int The forum ID * @param array Array of items being updated (threads, posts, unapprovedthreads, unapprovedposts) and their value (ex, 1, +1, -1) */ function update_forum_counters($fid, $changes=array()) { global $db, $cache; $update_query = array(); $counters = array('threads','unapprovedthreads','posts','unapprovedposts'); // Fetch above counters for this forum $query = $db->simple_select("forums", implode(",", $counters), "fid='{$fid}'"); $forum = $db->fetch_array($query); foreach($counters as $counter) { if(array_key_exists($counter, $changes)) { // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { $update_query[$counter] = $forum[$counter] + $changes[$counter]; } else { $update_query[$counter] = $changes[$counter]; } // Less than 0? That's bad if(!$update_query[$counter]) { $update_query[$counter] = 0; } } } // Only update if we're actually doing something if(count($update_query) > 0) { $db->update_query("forums", $update_query, "fid='".intval($fid)."'"); } // Guess we should update the statistics too? if(isset($update_query['threads']) || isset($update_query['posts']) || isset($update_query['unapprovedthreads']) || isset($update_query['unapprovedposts'])) { $new_stats = array(); if(array_key_exists('threads', $update_query)) { $threads_diff = $update_query['threads'] - $forum['threads']; if($threads_diff > -1) { $new_stats['numthreads'] = "+{$threads_diff}"; } else { $new_stats['numthreads'] = "{$threads_diff}"; } } if(array_key_exists('unapprovedthreads', $update_query)) { $unapprovedthreads_diff = $update_query['unapprovedthreads'] - $forum['unapprovedthreads']; if($unapprovedthreads_diff > -1) { $new_stats['numunapprovedthreads'] = "+{$unapprovedthreads_diff}"; } else { $new_stats['numunapprovedthreads'] = "{$unapprovedthreads_diff}"; } } if(array_key_exists('posts', $update_query)) { $posts_diff = $update_query['posts'] - $forum['posts']; if($posts_diff > -1) { $new_stats['numposts'] = "+{$posts_diff}"; } else { $new_stats['numposts'] = "{$posts_diff}"; } } if(array_key_exists('unapprovedposts', $update_query)) { $unapprovedposts_diff = $update_query['unapprovedposts'] - $forum['unapprovedposts']; if($unapprovedposts_diff > -1) { $new_stats['numunapprovedposts'] = "+{$unapprovedposts_diff}"; } else { $new_stats['numunapprovedposts'] = "{$unapprovedposts_diff}"; } } update_stats($new_stats); } // Update last post info update_forum_lastpost($fid); $cache->update_forums(); } /** * Update the last post information for a specific forum * * @param int The forum ID */ function update_forum_lastpost($fid) { global $db; // Fetch the last post for this forum $query = $db->query(" SELECT tid, lastpost, lastposter, lastposteruid, subject FROM ".TABLE_PREFIX."threads WHERE fid='{$fid}' AND visible='1' AND closed NOT LIKE 'moved|%' ORDER BY lastpost DESC LIMIT 0, 1 "); $lastpost = $db->fetch_array($query); $updated_forum = array( "lastpost" => intval($lastpost['lastpost']), "lastposter" => $db->escape_string($lastpost['lastposter']), "lastposteruid" => intval($lastpost['lastposteruid']), "lastposttid" => intval($lastpost['tid']), "lastpostsubject" => $db->escape_string($lastpost['subject']) ); $db->update_query("forums", $updated_forum, "fid='{$fid}'"); } /** * Updates the thread counters with a specific value (or addition/subtraction of the previous value) * * @param int The thread ID * @param array Array of items being updated (replies, unapprovedposts, attachmentcount) and their value (ex, 1, +1, -1) */ function update_thread_counters($tid, $changes=array()) { global $db; $update_query = array(); $counters = array('replies','unapprovedposts','attachmentcount', 'attachmentcount'); // Fetch above counters for this thread $query = $db->simple_select("threads", implode(",", $counters), "tid='{$tid}'"); $thread = $db->fetch_array($query); foreach($counters as $counter) { if(array_key_exists($counter, $changes)) { // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { $update_query[$counter] = $thread[$counter] + $changes[$counter]; } else { $update_query[$counter] = $changes[$counter]; } // Less than 0? That's bad if($update_query[$counter] < 0) { $update_query[$counter] = 0; } } } $db->free_result($query); // Only update if we're actually doing something if(count($update_query) > 0) { $db->update_query("threads", $update_query, "tid='".intval($tid)."'"); } unset($update_query, $thread); update_thread_data($tid); } /** * Update the first post and lastpost data for a specific thread * * @param int The thread ID */ function update_thread_data($tid) { global $db; $thread = get_thread($tid); // If this is a moved thread marker, don't update it - we need it to stay as it is if(strpos($thread['closed'], 'moved|') !== false) { return false; } $query = $db->query(" SELECT u.uid, u.username, p.username AS postusername, p.dateline FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid) WHERE p.tid='$tid' AND p.visible='1' ORDER BY p.dateline DESC LIMIT 1" ); $lastpost = $db->fetch_array($query); $db->free_result($query); $query = $db->query(" SELECT u.uid, u.username, p.username AS postusername, p.dateline FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid) WHERE p.tid='$tid' ORDER BY p.dateline ASC LIMIT 1 "); $firstpost = $db->fetch_array($query); $db->free_result($query); if(!$firstpost['username']) { $firstpost['username'] = $firstpost['postusername']; } if(!$lastpost['username']) { $lastpost['username'] = $lastpost['postusername']; } if(!$lastpost['dateline']) { $lastpost['username'] = $firstpost['username']; $lastpost['uid'] = $firstpost['uid']; $lastpost['dateline'] = $firstpost['dateline']; } $lastpost['username'] = $db->escape_string($lastpost['username']); $firstpost['username'] = $db->escape_string($firstpost['username']); $update_array = array( 'username' => $firstpost['username'], 'uid' => intval($firstpost['uid']), 'dateline' => intval($firstpost['dateline']), 'lastpost' => intval($lastpost['dateline']), 'lastposter' => $lastpost['username'], 'lastposteruid' => intval($lastpost['uid']), ); $db->update_query("threads", $update_array, "tid='{$tid}'"); unset($firstpost, $lastpost, $update_array); } function update_forum_count($fid) { die("Deprecated function call: update_forum_count"); } function update_thread_count($tid) { die("Deprecated function call: update_thread_count"); } function update_thread_attachment_count($tid) { die("Deprecated function call: update_thread_attachment_count"); } /** * Deletes a thread from the database * * @param int The thread ID */ function delete_thread($tid) { global $moderation; if(!is_object($moderation)) { require_once MYBB_ROOT."inc/class_moderation.php"; $moderation = new Moderation; } return $moderation->delete_thread($tid); } /** * Deletes a post from the database * * @param int The thread ID */ function delete_post($pid, $tid="") { global $moderation; if(!is_object($moderation)) { require_once MYBB_ROOT."inc/class_moderation.php"; $moderation = new Moderation; } return $moderation->delete_post($pid); } /** * Builds a forum jump menu * * @param int The parent forum to start with * @param int The selected item ID * @param int If we need to add select boxes to this cal or not * @param int The current depth of forums we're at * @param int Whether or not to show extra items such as User CP, Forum home * @param boolean Ignore the showinjump setting and show all forums (for moderation pages) * @param array Array of permissions * @param string The name of the forum jump * @return string Forum jump items */ function build_forum_jump($pid="0", $selitem="", $addselect="1", $depth="", $showextras="1", $showall=false, $permissions="", $name="fid") { global $forum_cache, $jumpfcache, $permissioncache, $mybb, $selecteddone, $forumjump, $forumjumpbits, $gobutton, $theme, $templates, $lang; $pid = intval($pid); $jumpsel['default'] = ''; if($permissions) { $permissions = $mybb->usergroup; } if(!is_array($jumpfcache)) { if(!is_array($forum_cache)) { cache_forums(); } foreach($forum_cache as $fid => $forum) { if($forum['active'] != 0) { $jumpfcache[$forum['pid']][$forum['disporder']][$forum['fid']] = $forum; } } } if(!is_array($permissioncache)) { $permissioncache = forum_permissions(); } if(isset($jumpfcache[$pid]) && is_array($jumpfcache[$pid])) { foreach($jumpfcache[$pid] as $main) { foreach($main as $forum) { $perms = $permissioncache[$forum['fid']]; if($forum['fid'] != "0" && ($perms['canview'] != 0 || $mybb->settings['hideprivateforums'] == 0) && $forum['linkto'] == '' && ($forum['showinjump'] != 0 || $showall == true)) { $optionselected = ""; if($selitem == $forum['fid']) { $optionselected = "selected=\"selected\""; $selecteddone = 1; } $forum['name'] = htmlspecialchars_uni(strip_tags($forum['name'])); eval("\$forumjumpbits .= \"".$templates->get("forumjump_bit")."\";"); if($forum_cache[$forum['fid']]) { $newdepth = $depth."--"; $forumjumpbits .= build_forum_jump($forum['fid'], $selitem, 0, $newdepth, $showextras, $showall); } } } } } if($addselect) { if(!$selecteddone) { if(!$selitem) { $selitem = "default"; } $jumpsel[$selitem] = 'selected="selected"'; } if($showextras == 0) { $template = "special"; } else { $template = "advanced"; if(strpos(FORUM_URL, '.html') !== false) { $forum_link = "'".str_replace('{fid}', "'+this.options[this.selectedIndex].value+'", FORUM_URL)."'"; } else { $forum_link = "'".str_replace('{fid}', "'+this.options[this.selectedIndex].value", FORUM_URL); } } eval("\$forumjump = \"".$templates->get("forumjump_".$template)."\";"); } return $forumjump; } /** * Returns the extension of a file. * * @param string The filename. * @return string The extension of the file. */ function get_extension($file) { return my_strtolower(my_substr(strrchr($file, "."), 1)); } /** * Generates a random string. * * @param int The length of the string to generate. * @return string The random string. */ function random_str($length="8") { $set = array("a","A","b","B","c","C","d","D","e","E","f","F","g","G","h","H","i","I","j","J","k","K","l","L","m","M","n","N","o","O","p","P","q","Q","r","R","s","S","t","T","u","U","v","V","w","W","x","X","y","Y","z","Z","1","2","3","4","5","6","7","8","9"); $str = ''; for($i = 1; $i <= $length; ++$i) { $ch = my_rand(0, count($set)-1); $str .= $set[$ch]; } return $str; } /** * Formats a username based on their display group * * @param string The username * @param int The usergroup for the user (if not specified, will be fetched) * @param int The display group for the user (if not specified, will be fetched) * @return string The formatted username */ function format_name($username, $usergroup, $displaygroup="") { global $groupscache, $cache; if(!is_array($groupscache)) { $groupscache = $cache->read("usergroups"); } if($displaygroup != 0) { $usergroup = $displaygroup; } $ugroup = $groupscache[$usergroup]; $format = $ugroup['namestyle']; $userin = substr_count($format, "{username}"); if($userin == 0) { $format = "{username}"; } $format = stripslashes($format); return str_replace("{username}", $username, $format); } /** * Build the javascript based MyCode inserter * * @return string The MyCode inserter */ function build_mycode_inserter($bind="message") { global $db, $mybb, $theme, $templates, $lang, $plugins; if($mybb->settings['bbcodeinserter'] != 0) { $editor_lang_strings = array( "editor_title_bold", "editor_title_italic", "editor_title_underline", "editor_title_left", "editor_title_center", "editor_title_right", "editor_title_justify", "editor_title_numlist", "editor_title_bulletlist", "editor_title_image", "editor_title_hyperlink", "editor_title_email", "editor_title_quote", "editor_title_code", "editor_title_php", "editor_title_close_tags", "editor_enter_list_item", "editor_enter_url", "editor_enter_url_title", "editor_enter_email", "editor_enter_email_title", "editor_enter_image", "editor_enter_video_url", "editor_video_dailymotion", "editor_video_metacafe", "editor_video_myspacetv", "editor_video_vimeo", "editor_video_yahoo", "editor_video_youtube", "editor_size_xx_small", "editor_size_x_small", "editor_size_small", "editor_size_medium", "editor_size_large", "editor_size_x_large", "editor_size_xx_large", "editor_font", "editor_size", "editor_color" ); $editor_language = "var editor_language = {\n"; $editor_lang_strings = $plugins->run_hooks("mycode_add_codebuttons", $editor_lang_strings); foreach($editor_lang_strings as $key => $lang_string) { // Strip initial editor_ off language string if it exists - ensure case sensitivity does not matter. $js_lang_string = preg_replace("#^editor_#i", "", $lang_string); $string = str_replace("\"", "\\\"", $lang->$lang_string); $editor_language .= "\t{$js_lang_string}: \"{$string}\""; if(isset($editor_lang_strings[$key+1])) { $editor_language .= ","; } $editor_language .= "\n"; } $editor_language .= "};"; if(defined("IN_ADMINCP")) { global $page; $codeinsert = $page->build_codebuttons_editor($bind, $editor_language); } else { eval("\$codeinsert = \"".$templates->get("codebuttons")."\";"); } } return $codeinsert; } /** * Build the javascript clickable smilie inserter * * @return string The clickable smilies list */ function build_clickable_smilies() { global $cache, $smiliecache, $theme, $templates, $lang, $mybb, $smiliecount; if($mybb->settings['smilieinserter'] != 0 && $mybb->settings['smilieinsertercols'] && $mybb->settings['smilieinsertertot']) { if(!$smiliecount) { $smilie_cache = $cache->read("smilies"); $smiliecount = count($smilie_cache); } if(!$smiliecache) { if(!is_array($smilie_cache)) { $smilie_cache = $cache->read("smilies"); } foreach($smilie_cache as $smilie) { if($smilie['showclickable'] != 0) { $smiliecache[$smilie['find']] = $smilie['image']; } } } unset($smilie); if(is_array($smiliecache)) { reset($smiliecache); $getmore = ''; if($mybb->settings['smilieinsertertot'] >= $smiliecount) { $mybb->settings['smilieinsertertot'] = $smiliecount; } else if($mybb->settings['smilieinsertertot'] < $smiliecount) { $smiliecount = $mybb->settings['smilieinsertertot']; eval("\$getmore = \"".$templates->get("smilieinsert_getmore")."\";"); } $smilies = ""; $counter = 0; $i = 0; foreach($smiliecache as $find => $image) { if($i < $mybb->settings['smilieinsertertot']) { if($counter == 0) { $smilies .= "
![\".{$ext}\"](\"{$theme['imgdir']}/attachtypes/unknown.gif\")
";
}
}
/**
* Get a list of the unviewable forums for the current user
*
* @param boolean Set to true to only fetch those forums for which users can actually read a thread in.
* @return string Comma separated values list of the forum IDs which the user cannot view
*/
function get_unviewable_forums($only_readable_threads=false)
{
global $forum_cache, $permissioncache, $mybb, $unviewable, $templates, $forumpass;
if(!is_array($forum_cache))
{
cache_forums();
}
if(!is_array($permissioncache))
{
$permissioncache = forum_permissions();
}
$password_forums = array();
foreach($forum_cache as $fid => $forum)
{
if($permissioncache[$forum['fid']])
{
$perms = $permissioncache[$forum['fid']];
}
else
{
$perms = $mybb->usergroup;
}
$pwverified = 1;
if($forum['password'] != "")
{
if($mybb->cookies['forumpass'][$forum['fid']] != md5($mybb->user['uid'].$forum['password']))
{
$pwverified = 0;
}
$password_forums[$forum['fid']] = $forum['password'];
}
else
{
// Check parents for passwords
$parents = explode(",", $forum['parentlist']);
foreach($parents as $parent)
{
if(isset($password_forums[$parent]) && $mybb->cookies['forumpass'][$parent] != md5($mybb->user['uid'].$password_forums[$parent]))
{
$pwverified = 0;
}
}
}
if($perms['canview'] == 0 || $pwverified == 0 || ($only_readable_threads == true && $perms['canviewthreads'] == 0))
{
if($unviewableforums)
{
$unviewableforums .= ",";
}
$unviewableforums .= "'".$forum['fid']."'";
}
}
if(isset($unviewableforums))
{
return $unviewableforums;
}
}
/**
* Fixes mktime for dates earlier than 1970
*
* @param string The date format to use
* @param int The year of the date
* @return string The correct date format
*/
function fix_mktime($format, $year)
{
// Our little work around for the date < 1970 thing.
// -2 idea provided by Matt Light (http://www.mephex.com)
$format = str_replace("Y", $year, $format);
$format = str_replace("y", my_substr($year, -2), $format);
return $format;
}
/**
* Build the breadcrumb navigation trail from the specified items
*
* @return The formatted breadcrumb navigation trail
*/
function build_breadcrumb()
{
global $nav, $navbits, $templates, $theme, $lang, $mybb;
eval("\$navsep = \"".$templates->get("nav_sep")."\";");
$i = 0;
$activesep = '';
if(is_array($navbits))
{
reset($navbits);
foreach($navbits as $key => $navbit)
{
if(isset($navbits[$key+1]))
{
if(isset($navbits[$key+2]))
{
$sep = $navsep;
}
else
{
$sep = "";
}
$multipage = null;
$multipage_dropdown = null;
if(!empty($navbit['multipage']))
{
$multipage = multipage($navbit['multipage']['num_threads'], $mybb->settings['threadsperpage'], $navbit['multipage']['current_page'], $navbit['multipage']['url'], true);
if($multipage)
{
++$i;
$multipage_dropdown = " ![\"v\"](\"{$theme['imgdir']}/arrow_down.gif\" "\\"\\""){kind=icon}
{$multipage}";
$sep = $multipage_dropdown.$sep;
}
}
// Replace page 1 URLs
$navbit['url'] = str_replace("-page-1.html", ".html", $navbit['url']);
$navbit['url'] = preg_replace("/&page=1$/", "", $navbit['url']);
eval("\$nav .= \"".$templates->get("nav_bit")."\";");
}
}
}
$navsize = count($navbits);
$navbit = $navbits[$navsize-1];
if($nav)
{
eval("\$activesep = \"".$templates->get("nav_sep_active")."\";");
}
eval("\$activebit = \"".$templates->get("nav_bit_active")."\";");
eval("\$donenav = \"".$templates->get("nav")."\";");
return $donenav;
}
/**
* Add a breadcrumb menu item to the list.
*
* @param string The name of the item to add
* @param string The URL of the item to add
*/
function add_breadcrumb($name, $url="")
{
global $navbits;
$navsize = count($navbits);
$navbits[$navsize]['name'] = $name;
$navbits[$navsize]['url'] = $url;
}
/**
* Build the forum breadcrumb nagiation (the navigation to a specific forum including all parent forums)
*
* @param int The forum ID to build the navigation for
* @param array The multipage drop down array of information
*/
function build_forum_breadcrumb($fid, $multipage=array())
{
global $pforumcache, $currentitem, $forum_cache, $navbits, $lang, $base_url, $archiveurl;
if(!$pforumcache)
{
if(!is_array($forum_cache))
{
cache_forums();
}
foreach($forum_cache as $key => $val)
{
$pforumcache[$val['fid']][$val['pid']] = $val;
}
}
if(is_array($pforumcache[$fid]))
{
foreach($pforumcache[$fid] as $key => $forumnav)
{
if($fid == $forumnav['fid'])
{
if(!empty($pforumcache[$forumnav['pid']]))
{
build_forum_breadcrumb($forumnav['pid']);
}
$navsize = count($navbits);
// Convert & to &
$navbits[$navsize]['name'] = preg_replace("#&(?!\#[0-9]+;)#si", "&", $forumnav['name']);
if(defined("IN_ARCHIVE"))
{
// Set up link to forum in breadcrumb.
if($pforumcache[$fid][$forumnav['pid']]['type'] == 'f' || $pforumcache[$fid][$forumnav['pid']]['type'] == 'c')
{
$navbits[$navsize]['url'] = "{$base_url}forum-".$forumnav['fid'].".html";
}
else
{
$navbits[$navsize]['url'] = $archiveurl."/index.php";
}
}
elseif(!empty($multipage))
{
$navbits[$navsize]['url'] = get_forum_link($forumnav['fid'], $multipage['current_page']);
$navbits[$navsize]['multipage'] = $multipage;
$navbits[$navsize]['multipage']['url'] = str_replace('{fid}', $forumnav['fid'], FORUM_URL_PAGED);
}
else
{
$navbits[$navsize]['url'] = get_forum_link($forumnav['fid']);
}
}
}
}
return 1;
}
/**
* Resets the breadcrumb navigation to the first item, and clears the rest
*/
function reset_breadcrumb()
{
global $navbits;
$newnav[0]['name'] = $navbits[0]['name'];
$newnav[0]['url'] = $navbits[0]['url'];
$newnav[0]['options'] = $navbits[0]['options'];
unset($GLOBALS['navbits']);
$GLOBALS['navbits'] = $newnav;
}
/**
* Builds a URL to an archive mode page
*
* @param string The type of page (thread|announcement|forum)
* @param int The ID of the item
* @return string The URL
*/
function build_archive_link($type, $id="")
{
global $mybb;
// If the server OS is not Windows and not Apache or the PHP is running as a CGI or we have defined ARCHIVE_QUERY_STRINGS, use query strings - DIRECTORY_SEPARATOR checks if running windows
//if((DIRECTORY_SEPARATOR == '\\' && is_numeric(stripos($_SERVER['SERVER_SOFTWARE'], "apache")) == false) || is_numeric(stripos(SAPI_NAME, "cgi")) !== false || defined("ARCHIVE_QUERY_STRINGS"))
if($mybb->settings['seourls_archive'] == 1)
{
$base_url = $mybb->settings['bburl']."/archive/index.php/";
}
else
{
$base_url = $mybb->settings['bburl']."/archive/index.php?";
}
switch($type)
{
case "thread":
$url = "{$base_url}thread-{$id}.html";
break;
case "announcement":
$url = "{$base_url}announcement-{$id}.html";
break;
case "forum":
$url = "{$base_url}forum-{$id}.html";
break;
default:
$url = $mybb->settings['bburl']."/archive/index.php";
}
return $url;
}
/**
* Prints a debug information page
*/
function debug_page()
{
global $db, $debug, $templates, $templatelist, $mybb, $maintimer, $globaltime, $ptimer, $parsetime, $lang;
$totaltime = $maintimer->totaltime;
$phptime = $maintimer->format($maintimer->totaltime - $db->query_time);
$query_time = $maintimer->format($db->query_time);
$percentphp = number_format((($phptime/$maintimer->totaltime)*100), 2);
$percentsql = number_format((($query_time/$maintimer->totaltime)*100), 2);
$phpversion = PHP_VERSION;
$serverload = get_server_load();
if($mybb->settings['gzipoutput'] != 0)
{
$gzipen = "Enabled";
}
else
{
$gzipen = "Disabled";
}
echo "\n";
echo "";
echo "";
echo "MyBB Debug Information
\n"; echo "Page Generation
\n"; echo "| Page Generation Statistics | \n"; echo "|||
| Page Generation Time: | \n"; echo "$totaltime seconds | \n"; echo "No. DB Queries: | \n"; echo "$db->query_count | \n"; echo "
| PHP Processing Time: | \n"; echo "$phptime seconds ($percentphp%) | \n"; echo "DB Processing Time: | \n"; echo "$query_time seconds ($percentsql%) | \n"; echo "
| Extensions Used: | \n"; echo "{$mybb->config['database']['type']}, xml | \n"; echo "Global.php Processing Time: | \n"; echo "$globaltime seconds | \n"; echo "
| PHP Version: | \n"; echo "$phpversion | \n"; echo "Server Load: | \n"; echo "$serverload | \n"; echo "
| GZip Encoding Status: | \n"; echo "$gzipen | \n"; echo "No. Templates Used: | \n"; echo "".count($templates->cache)." (".intval(count(explode(",", $templatelist)))." Cached / ".intval(count($templates->uncached_templates))." Manually Loaded) | \n"; echo "
| Memory Usage: | \n"; echo "{$memory_usage} | \n"; echo "Memory Limit: | \n"; echo "{$memory_limit} | \n"; echo "
Database Connections (".count($db->connections)." Total)
\n"; echo "| ".implode(" ", $db->connections)." | \n";
echo "
\n"; echo "
Database Queries (".$db->query_count." Total)
\n"; echo $db->explain; echo "Template Statistics
\n"; if(count($templates->cache) > 0) { echo "| Templates Used (Loaded for this Page) - ".count($templates->cache)." Total | \n"; echo "
| ".implode(", ", array_keys($templates->cache))." | \n"; echo "
\n"; } if(count($templates->uncached_templates) > 0) { echo "
| Templates Requiring Additional Calls (Not Cached at Startup) - ".count($templates->uncached_templates)." Total | \n"; echo "
| ".implode(", ", $templates->uncached_templates)." | \n"; echo "
\n"; } echo ""; echo ""; exit; } /** * Outputs the correct page headers. */ function send_page_headers() { global $mybb; if($mybb->settings['nocacheheaders'] == 1) { header("Expires: Sat, 1 Jan 2000 01:00:00 GMT"); header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); header("Cache-Control: no-cache, must-revalidate"); header("Pragma: no-cache"); } } /** * Mark specific reported posts of a certain type as dealt with * * @param mixed An array or int of the ID numbers you're marking as dealt with * @param string The type of item the above IDs are for - post, posts, thread, threads, forum, all */ function mark_reports($id, $type="post") { global $db, $cache, $plugins; switch($type) { case "posts": if(is_array($id)) { $rids = implode($id, "','"); $rids = "'0','$rids'"; $db->update_query("reportedposts", array('reportstatus' => 1), "pid IN($rids) AND reportstatus='0'"); } break; case "post": $db->update_query("reportedposts", array('reportstatus' => 1), "pid='$id' AND reportstatus='0'"); break; case "threads": if(is_array($id)) { $rids = implode($id, "','"); $rids = "'0','$rids'"; $db->update_query("reportedposts", array('reportstatus' => 1), "tid IN($rids) AND reportstatus='0'"); } break; case "thread": $db->update_query("reportedposts", array('reportstatus' => 1), "tid='$id' AND reportstatus='0'"); break; case "forum": $db->update_query("reportedposts", array('reportstatus' => 1), "fid='$id' AND reportstatus='0'"); break; case "all": $db->update_query("reportedposts", array('reportstatus' => 1), "reportstatus='0'"); break; } $arguments = array('id' => $id, 'type' => $type); $plugins->run_hooks("mark_reports", $arguments); $cache->update_reportedposts(); } /** * Fetch a friendly x days, y months etc date stamp from a timestamp * * @param int The timestamp * @param array Array of options * @return string The friendly formatted timestamp */ function nice_time($stamp, $options=array()) { global $lang; $ysecs = 365*24*60*60; $mosecs = 31*24*60*60; $wsecs = 7*24*60*60; $dsecs = 24*60*60; $hsecs = 60*60; $msecs = 60; if(isset($options['short'])) { $lang_year = $lang->year_short; $lang_years = $lang->years_short; $lang_month = $lang->month_short; $lang_months = $lang->months_short; $lang_week = $lang->week_short; $lang_weeks = $lang->weeks_short; $lang_day = $lang->day_short; $lang_days = $lang->days_short; $lang_hour = $lang->hour_short; $lang_hours = $lang->hours_short; $lang_minute = $lang->minute_short; $lang_minutes = $lang->minutes_short; $lang_second = $lang->second_short; $lang_seconds = $lang->seconds_short; } else { $lang_year = " ".$lang->year; $lang_years = " ".$lang->years; $lang_month = " ".$lang->month; $lang_months = " ".$lang->months; $lang_week = " ".$lang->week; $lang_weeks = " ".$lang->weeks; $lang_day = " ".$lang->day; $lang_days = " ".$lang->days; $lang_hour = " ".$lang->hour; $lang_hours = " ".$lang->hours; $lang_minute = " ".$lang->minute; $lang_minutes = " ".$lang->minutes; $lang_second = " ".$lang->second; $lang_seconds = " ".$lang->seconds; } $years = floor($stamp/$ysecs); $stamp %= $ysecs; $months = floor($stamp/$mosecs); $stamp %= $mosecs; $weeks = floor($stamp/$wsecs); $stamp %= $wsecs; $days = floor($stamp/$dsecs); $stamp %= $dsecs; $hours = floor($stamp/$hsecs); $stamp %= $hsecs; $minutes = floor($stamp/$msecs); $stamp %= $msecs; $seconds = $stamp; if($years == 1) { $nicetime['years'] = "1".$lang_year; } else if($years > 1) { $nicetime['years'] = $years.$lang_years; } if($months == 1) { $nicetime['months'] = "1".$lang_month; } else if($months > 1) { $nicetime['months'] = $months.$lang_months; } if($weeks == 1) { $nicetime['weeks'] = "1".$lang_week; } else if($weeks > 1) { $nicetime['weeks'] = $weeks.$lang_weeks; } if($days == 1) { $nicetime['days'] = "1".$lang_day; } else if($days > 1) { $nicetime['days'] = $days.$lang_days; } if(!isset($options['hours']) || $options['hours'] !== false) { if($hours == 1) { $nicetime['hours'] = "1".$lang_hour; } else if($hours > 1) { $nicetime['hours'] = $hours.$lang_hours; } } if(!isset($options['minutes']) || $options['minutes'] !== false) { if($minutes == 1) { $nicetime['minutes'] = "1".$lang_minute; } else if($minutes > 1) { $nicetime['minutes'] = $minutes.$lang_minutes; } } if(!isset($options['seconds']) || $options['seconds'] !== false) { if($seconds == 1) { $nicetime['seconds'] = "1".$lang_second; } else if($seconds > 1) { $nicetime['seconds'] = $seconds.$lang_seconds; } } if(is_array($nicetime)) { return implode(", ", $nicetime); } } /** * Select an alternating row colour based on the previous call to this function * * @param int 1 to reset the row to trow1. * @return string trow1 or trow2 depending on the previous call */ function alt_trow($reset=0) { global $alttrow; if($alttrow == "trow1" && !$reset) { $trow = "trow2"; } else { $trow = "trow1"; } $alttrow = $trow; return $trow; } /** * Add a user to a specific additional user group. * * @param int The user ID * @param int The user group ID to join */ function join_usergroup($uid, $joingroup) { global $db, $mybb; if($uid == $mybb->user['uid']) { $user = $mybb->user; } else { $query = $db->simple_select("users", "additionalgroups, usergroup", "uid='".intval($uid)."'"); $user = $db->fetch_array($query); } // Build the new list of additional groups for this user and make sure they're in the right format $usergroups = ""; $usergroups = $user['additionalgroups'].",".$joingroup; $groupslist = ""; $groups = explode(",", $usergroups); if(is_array($groups)) { foreach($groups as $gid) { if(trim($gid) != "" && $gid != $user['usergroup'] && !$donegroup[$gid]) { $groupslist .= $comma.$gid; $comma = ","; $donegroup[$gid] = 1; } } } // What's the point in updating if they're the same? if($groupslist != $user['additionalgroups']) { $db->update_query("users", array('additionalgroups' => $groupslist), "uid='".intval($uid)."'"); return true; } else { return false; } } /** * Remove a user from a specific additional user group * * @param int The user ID * @param int The user group ID */ function leave_usergroup($uid, $leavegroup) { global $db, $mybb, $cache; if($uid == $mybb->user['uid']) { $user = $mybb->user; } else { $query = $db->simple_select("users", "*", "uid='".intval($uid)."'"); $user = $db->fetch_array($query); } $groupslist = ""; $usergroups = ""; $usergroups = $user['additionalgroups'].","; $groups = explode(",", $user['additionalgroups']); if(is_array($groups)) { foreach($groups as $gid) { if(trim($gid) != "" && $leavegroup != $gid && !$donegroup[$gid]) { $groupslist .= $comma.$gid; $comma = ","; $donegroup[$gid] = 1; } } } $dispupdate = ""; if($leavegroup == $user['displaygroup']) { $dispupdate = ", displaygroup=usergroup"; } $db->write_query(" UPDATE ".TABLE_PREFIX."users SET additionalgroups='$groupslist' $dispupdate WHERE uid='".intval($uid)."' "); $cache->update_moderators(); } /** * Get the current location taking in to account different web serves and systems * * @param boolean True to return as "hidden" fields * @param array Array of fields to ignore if first argument is true * @return string The current URL being accessed */ function get_current_location($fields=false, $ignore=array()) { if(defined("MYBB_LOCATION")) { return MYBB_LOCATION; } if(!empty($_SERVER['PATH_INFO'])) { $location = htmlspecialchars_uni($_SERVER['PATH_INFO']); } elseif(!empty($_ENV['PATH_INFO'])) { $location = htmlspecialchars_uni($_ENV['PATH_INFO']); } elseif(!empty($_ENV['PHP_SELF'])) { $location = htmlspecialchars_uni($_ENV['PHP_SELF']); } else { $location = htmlspecialchars_uni($_SERVER['PHP_SELF']); } if($fields == true) { global $mybb; if(!is_array($ignore)) { $ignore = array($ignore); } $form_html = ""; if(!empty($mybb->input)) { foreach($mybb->input as $name => $value) { if(in_array($name, $ignore)) { continue; } $form_html .= "\n"; } } return array('location' => $location, 'form_html' => $form_html, 'form_method' => $mybb->request_method); } else { if(isset($_SERVER['QUERY_STRING'])) { $location .= "?".htmlspecialchars_uni($_SERVER['QUERY_STRING']); } else if(isset($_ENV['QUERY_STRING'])) { $location .= "?".htmlspecialchars_uni($_ENV['QUERY_STRING']); } if((isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == "POST") || (isset($_ENV['REQUEST_METHOD']) && $_ENV['REQUEST_METHOD'] == "POST")) { $post_array = array('action', 'fid', 'pid', 'tid', 'uid', 'eid'); foreach($post_array as $var) { if(isset($_POST[$var])) { $addloc[] = urlencode($var).'='.urlencode($_POST[$var]); } } if(isset($addloc) && is_array($addloc)) { if(strpos($location, "?") === false) { $location .= "?"; } else { $location .= "&"; } $location .= implode("&", $addloc); } } if(strlen($location) > 150) { $location = substr($location, 0, 150); } return $location; } } /** * Build a theme selection menu * * @param string The name of the menu * @param int The ID of the selected theme * @param int The ID of the parent theme to select from * @param int The current selection depth * @param boolean Whether or not to override usergroup permissions (true to override) * @return string The theme selection list */ function build_theme_select($name, $selected="", $tid=0, $depth="", $usergroup_override=false) { global $db, $themeselect, $tcache, $lang, $mybb, $limit; if($tid == 0) { $themeselect = ""; } return $themeselect; } /** * Custom function for htmlspecialchars which takes in to account unicode * * @param string The string to format * @return string The string with htmlspecialchars applied */ function htmlspecialchars_uni($message) { $message = preg_replace("#&(?!\#[0-9]+;)#si", "&", $message); // Fix & but allow unicode $message = str_replace("<", "<", $message); $message = str_replace(">", ">", $message); $message = str_replace("\"", """, $message); return $message; } /** * Custom function for formatting numbers. * * @param int The number to format. * @return int The formatted number. */ function my_number_format($number) { global $mybb; if($number == "-") { return $number; } if(is_int($number)) { return number_format($number, 0, $mybb->settings['decpoint'], $mybb->settings['thousandssep']); } else { $parts = explode('.', $number); if(isset($parts[1])) { $decimals = my_strlen($parts[1]); } else { $decimals = 0; } return number_format((double)$number, $decimals, $mybb->settings['decpoint'], $mybb->settings['thousandssep']); } } function convert_through_utf8($str, $to=true) { global $lang; static $charset; static $use_mb; static $use_iconv; if(!isset($charset)) { $charset = my_strtolower($lang->settings['charset']); } if($charset == "utf-8") { return $str; } if(!isset($use_iconv)) { $use_iconv = function_exists("iconv"); } if(!isset($use_mb)) { $use_mb = function_exists("mb_convert_encoding"); } if($use_iconv || $use_mb) { if($to) { $from_charset = $lang->settings['charset']; $to_charset = "UTF-8"; } else { $from_charset = "UTF-8"; $to_charset = $lang->settings['charset']; } if($use_iconv) { return iconv($from_charset, $to_charset."//IGNORE", $str); } else { return @mb_convert_encoding($str, $to_charset, $from_charset); } } elseif($charset == "iso-8859-1" && function_exists("utf8_encode")) { if($to) { return utf8_encode($str); } else { return utf8_decode($str); } } else { return $str; } } /** * Replacement function for PHP's wordwrap(). This version does not break up HTML tags, URLs or unicode references. * * @param string The string to be word wrapped * @return string The word wraped string */ function my_wordwrap($message) { global $mybb; if($mybb->settings['wordwrap'] > 0) { $message = convert_through_utf8($message); if(!($new_message = @preg_replace("#(((?>[^\s&/<>\"\\-\[\]])|(&\#[a-z0-9]{1,10};)){{$mybb->settings['wordwrap']}})#u", "$0", $message))) { $new_message = preg_replace("#(((?>[^\s&/<>\"\\-\[\]])|(&\#[a-z0-9]{1,10};)){{$mybb->settings['wordwrap']}})#", "$0", $message); } $new_message = convert_through_utf8($new_message, false); return $new_message; } return $message; } /** * Workaround for date limitation in PHP to establish the day of a birthday (Provided by meme) * * @param int The month of the birthday * @param int The day of the birthday * @param int The year of the bithday * @return int The numeric day of the week for the birthday */ function get_weekday($month, $day, $year) { $h = 4; for($i = 1969; $i >= $year; $i--) { $j = get_bdays($i); for($k = 11; $k >= 0; $k--) { $l = ($k + 1); for($m = $j[$k]; $m >= 1; $m--) { $h--; if($i == $year && $l == $month && $m == $day) { return $h; } if($h == 0) { $h = 7; } } } } } /** * Workaround for date limitation in PHP to establish the day of a birthday (Provided by meme) * * @param int The year. * @return array The number of days in each month of that year */ function get_bdays($in) { return array( 31, ($in % 4 == 0 && ($in % 100 > 0 || $in % 400 == 0) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ); } /** * Formats a birthday appropriately * * @param string The PHP date format string * @param int The month of the birthday * @param int The day of the birthday * @param int The year of the birthday * @param int The weekday of the birthday * @return string The formatted birthday */ function format_bdays($display, $bm, $bd, $by, $wd) { global $lang; $bdays = array( $lang->sunday, $lang->monday, $lang->tuesday, $lang->wednesday, $lang->thursday, $lang->friday, $lang->saturday ); $bmonth = array( $lang->month_1, $lang->month_2, $lang->month_3, $lang->month_4, $lang->month_5, $lang->month_6, $lang->month_7, $lang->month_8, $lang->month_9, $lang->month_10, $lang->month_11, $lang->month_12 ); // This needs to be in this specific order $find = array( 'm', 'd', 'D', 'y', 'Y', 'j', 'S', 'F', 'l', 'M', ); $html = array( 'm', 'c', 'D', 'y', 'Y', 'j', 'S', 'F', 'l', 'M', ); $bdays = str_replace($find, $html, $bdays); $bmonth = str_replace($find, $html, $bmonth); $replace = array( sprintf('%02s', $bm), sprintf('%02s', $bd), ($wd == 2 ? my_substr($bdays[$wd], 0, 4) : ($wd == 4 ? my_substr($bdays[$wd], 0, 5) : my_substr($bdays[$wd], 0, 3))), my_substr($by, 2), $by, ($bd[0] == 0 ? my_substr($bd, 1) : $bd), ($bd == 1 || $bd == 21 || $bd == 31 ? 'st' : ($bd == 2 || $bd == 22 ? 'nd' : ($bd == 3 || $bd == 23 ? 'rd' : 'th'))), $bmonth[$bm-1], $wd, ($bm == 9 ? my_substr($bmonth[$bm-1], 0, 4) : my_substr($bmonth[$bm-1], 0, 3)), ); // Do we have the full month in our output? // If so there's no need for the short month if(strpos($display, 'F') !== false) { array_pop($find); array_pop($replace); } return str_replace($find, $replace, $display); } /** * Returns the age of a user with specified birthday. * * @param string The birthday of a user. * @return float The age of a user with that birthday. */ function get_age($birthday) { $bday = explode("-", $birthday); if(!$bday[2]) { return; } list($day, $month, $year) = explode("-", my_date("j-n-Y", TIME_NOW, 0, 0)); $age = $year-$bday[2]; if(($month == $bday[1] && $day < $bday[0]) || $month < $bday[1]) { --$age; } return $age; } /** * Updates the first posts in a thread. * * @param int The thread id for which to update the first post id. */ function update_first_post($tid) { global $db; $query = $db->simple_select("posts", "pid,replyto", "tid='{$tid}'", array('order_by' => 'dateline', 'limit' => 1)); $post = $db->fetch_array($query); if($post['replyto'] != 0) { $replyto_update = array( "replyto" => 0 ); $db->update_query("posts", $replyto_update, "pid='{$post['pid']}'"); } $firstpostup = array( "firstpost" => $post['pid'] ); $db->update_query("threads", $firstpostup, "tid='$tid'"); } /** * Checks for the length of a string, mb strings accounted for * * @param string The string to check the length of. * @return int The length of the string. */ function my_strlen($string) { global $lang; $string = preg_replace("#&\#([0-9]+);#", "-", $string); if(strtolower($lang->settings['charset']) == "utf-8") { // Get rid of any excess RTL and LTR override for they are the workings of the devil $string = str_replace(dec_to_utf8(8238), "", $string); $string = str_replace(dec_to_utf8(8237), "", $string); // Remove dodgy whitespaces $string = str_replace(chr(0xCA), "", $string); } $string = trim($string); if(function_exists("mb_strlen")) { $string_length = mb_strlen($string); } else { $string_length = strlen($string); } return $string_length; } /** * Cuts a string at a specified point, mb strings accounted for * * @param string The string to cut. * @param int Where to cut * @param int (optional) How much to cut * @param bool (optional) Properly handle HTML entities? * @return int The cut part of the string. */ function my_substr($string, $start, $length="", $handle_entities = false) { if($handle_entities) { $string = unhtmlentities($string); } if(function_exists("mb_substr")) { if($length != "") { $cut_string = mb_substr($string, $start, $length); } else { $cut_string = mb_substr($string, $start); } } else { if($length != "") { $cut_string = substr($string, $start, $length); } else { $cut_string = substr($string, $start); } } if($handle_entities) { $cut_string = htmlspecialchars_uni($cut_string); } return $cut_string; } /** * lowers the case of a string, mb strings accounted for * * @param string The string to lower. * @return int The lowered string. */ function my_strtolower($string) { if(function_exists("mb_strtolower")) { $string = mb_strtolower($string); } else { $string = strtolower($string); } return $string; } /** * Finds a needle in a haystack and returns it position, mb strings accounted for * * @param string String to look in (haystack) * @param string What to look for (needle) * @param int (optional) How much to offset * @return int false on needle not found, integer position if found */ function my_strpos($haystack, $needle, $offset=0) { if($needle == '') { return false; } if(function_exists("mb_strpos")) { $position = mb_strpos($haystack, $needle, $offset); } else { $position = strpos($haystack, $needle, $offset); } return $position; } /** * ups the case of a string, mb strings accounted for * * @param string The string to up. * @return int The uped string. */ function my_strtoupper($string) { if(function_exists("mb_strtoupper")) { $string = mb_strtoupper($string); } else { $string = strtoupper($string); } return $string; } /** * Returns any html entities to their original character * * @param string The string to un-htmlentitize. * @return int The un-htmlentitied' string. */ function unhtmlentities($string) { // Replace numeric entities $string = preg_replace_callback('~&#x([0-9a-f]+);~i', create_function('$matches', 'return unichr(hexdec($matches[1]));'), $string); $string = preg_replace_callback('~&#([0-9]+);~', create_function('$matches', 'return unichr($matches[1]);'), $string); // Replace literal entities $trans_tbl = get_html_translation_table(HTML_ENTITIES); $trans_tbl = array_flip($trans_tbl); return strtr($string, $trans_tbl); } /** * Returns any ascii to it's character (utf-8 safe). * * @param string The ascii to characterize. * @return int The characterized ascii. */ function unichr($c) { if($c <= 0x7F) { return chr($c); } else if($c <= 0x7FF) { return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F); } else if($c <= 0xFFFF) { return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F) . chr(0x80 | $c & 0x3F); } else if($c <= 0x10FFFF) { return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F) . chr(0x80 | $c >> 6 & 0x3F) . chr(0x80 | $c & 0x3F); } else { return false; } } /** * Get the event poster. * * @param array The event data array. * @return string The link to the event poster. */ function get_event_poster($event) { $event['username'] = format_name($event['username'], $event['usergroup'], $event['displaygroup']); $event_poster = build_profile_link($event['username'], $event['author']); return $event_poster; } /** * Get the event date. * * @param array The event data array. * @return string The event date. */ function get_event_date($event) { global $mybb; $event_date = explode("-", $event['date']); $event_date = mktime(0, 0, 0, $event_date[1], $event_date[0], $event_date[2]); $event_date = my_date($mybb->settings['dateformat'], $event_date); return $event_date; } /** * Get the profile link. * * @param int The user id of the profile. * @return string The url to the profile. */ function get_profile_link($uid=0) { $link = str_replace("{uid}", $uid, PROFILE_URL); return htmlspecialchars_uni($link); } /** * Get the announcement link. * * @param int The announement id of the announcement. * @return string The url to the announcement. */ function get_announcement_link($aid=0) { $link = str_replace("{aid}", $aid, ANNOUNCEMENT_URL); return htmlspecialchars_uni($link); } /** * Build the profile link. * * @param string The Username of the profile. * @param int The user id of the profile. * @param string The target frame * @param string Any onclick javascript. * @return string The complete profile link. */ function build_profile_link($username="", $uid=0, $target="", $onclick="") { global $mybb, $lang; if(!$username && $uid == 0) { // Return Guest phrase for no UID, no guest nickname return $lang->guest; } elseif($uid == 0) { // Return the guest's nickname if user is a guest but has a nickname return $username; } else { // Build the profile link for the registered user if(!empty($target)) { $target = " target=\"{$target}\""; } if(!empty($onclick)) { $onclick = " onclick=\"{$onclick}\""; } return "settings['bburl']}/".get_profile_link($uid)."\"{$target}{$onclick}>{$username}"; } } /** * Build the forum link. * * @param int The forum id of the forum. * @param int (Optional) The page number of the forum. * @return string The url to the forum. */ function get_forum_link($fid, $page=0) { if($page > 0) { $link = str_replace("{fid}", $fid, FORUM_URL_PAGED); $link = str_replace("{page}", $page, $link); return htmlspecialchars_uni($link); } else { $link = str_replace("{fid}", $fid, FORUM_URL); return htmlspecialchars_uni($link); } } /** * Build the thread link. * * @param int The thread id of the thread. * @param int (Optional) The page number of the thread. * @param string (Optional) The action we're performing (ex, lastpost, newpost, etc) * @return string The url to the thread. */ function get_thread_link($tid, $page=0, $action='') { if($page > 1) { if($action) { $link = THREAD_URL_ACTION; $link = str_replace("{action}", $action, $link); } else { $link = THREAD_URL_PAGED; } $link = str_replace("{tid}", $tid, $link); $link = str_replace("{page}", $page, $link); return htmlspecialchars_uni($link); } else { if($action) { $link = THREAD_URL_ACTION; $link = str_replace("{action}", $action, $link); } else { $link = THREAD_URL; } $link = str_replace("{tid}", $tid, $link); return htmlspecialchars_uni($link); } } /** * Build the post link. * * @param int The post ID of the post * @param int The thread id of the post. */ function get_post_link($pid, $tid=0) { if($tid > 0) { $link = str_replace("{tid}", $tid, THREAD_URL_POST); $link = str_replace("{pid}", $pid, $link); return htmlspecialchars_uni($link); } else { $link = str_replace("{pid}", $pid, POST_URL); return htmlspecialchars_uni($link); } } /** * Build the event link. * * @param int The event ID of the event * @return string The URL of the event */ function get_event_link($eid) { $link = str_replace("{eid}", $eid, EVENT_URL); return htmlspecialchars_uni($link); } /** * Build the link to a specified date on the calendar * * @param int The ID of the calendar * @param int The year * @param int The month * @param int The day (optional) * @return string The URL of the calendar */ function get_calendar_link($calendar, $year=0, $month=0, $day=0) { if($day > 0) { $link = str_replace("{month}", $month, CALENDAR_URL_DAY); $link = str_replace("{year}", $year, $link); $link = str_replace("{day}", $day, $link); $link = str_replace("{calendar}", $calendar, $link); return htmlspecialchars_uni($link); } else if($month > 0) { $link = str_replace("{month}", $month, CALENDAR_URL_MONTH); $link = str_replace("{year}", $year, $link); $link = str_replace("{calendar}", $calendar, $link); return htmlspecialchars_uni($link); } else if($year > 0) { $link = str_replace("{year}", $year, CALENDAR_URL_YEAR); $link = str_replace("{calendar}", $calendar, $link); return htmlspecialchars_uni($link); } else { $link = str_replace("{calendar}", $calendar, CALENDAR_URL); return htmlspecialchars_uni($link); } } /** * Build the link to a specified week on the calendar * * @param int The ID of the calendar * @param int The year * @param int The week * @return string The URL of the calendar */ function get_calendar_week_link($calendar, $week) { if($week < 0) { $week = str_replace('-', "n", $week); } $link = str_replace("{week}", $week, CALENDAR_URL_WEEK); $link = str_replace("{calendar}", $calendar, $link); return htmlspecialchars_uni($link); } /** * Get the user data of a user id. * * @param int The user id of the user. * @return array The users data */ function get_user($uid) { global $mybb, $db; static $user_cache; $uid = intval($uid); if($uid == $mybb->user['uid']) { return $mybb->user; } elseif(isset($user_cache[$uid])) { return $user_cache[$uid]; } elseif(($uid > 0)) { $query = $db->simple_select("users", "*", "uid='{$uid}'"); $user_cache[$uid] = $db->fetch_array($query); return $user_cache[$uid]; } return array(); } /** * Get the forum of a specific forum id. * * @param int The forum id of the forum. * @param int (Optional) If set to 1, will override the active forum status * @return array The database row of a forum. */ function get_forum($fid, $active_override=0) { global $cache; static $forum_cache; if(!isset($forum_cache) || is_array($forum_cache)) { $forum_cache = $cache->read("forums"); } if(!$forum_cache[$fid]) { return false; } if($active_override != 1) { $parents = explode(",", $forum_cache[$fid]['parentlist']); if(is_array($parents)) { foreach($parents as $parent) { if($forum_cache[$parent]['active'] == 0) { return false; } } } } return $forum_cache[$fid]; } /** * Get the thread of a thread id. * * @param int The thread id of the thread. * @param boolean Whether or not to recache the thread. * @return string The database row of the thread. */ function get_thread($tid, $recache = false) { global $db; static $thread_cache; if(isset($thread_cache[$tid]) && !$recache) { return $thread_cache[$tid]; } else { $query = $db->simple_select("threads", "*", "tid='".intval($tid)."'"); $thread = $db->fetch_array($query); if($thread) { $thread_cache[$tid] = $thread; return $thread; } else { $thread_cache[$tid] = false; return false; } } } /** * Get the post of a post id. * * @param int The post id of the post. * @return string The database row of the post. */ function get_post($pid) { global $db; static $post_cache; if(isset($post_cache[$pid])) { return $post_cache[$pid]; } else { $query = $db->simple_select("posts", "*", "pid='".intval($pid)."'"); $post = $db->fetch_array($query); if($post) { $post_cache[$pid] = $post; return $post; } else { $post_cache[$pid] = false; return false; } } } /** * Get inactivate forums. * * @return string The comma separated values of the inactivate forum. */ function get_inactive_forums() { global $forum_cache, $cache, $inactiveforums; if(!$forum_cache) { cache_forums(); } $inactive = array(); foreach($forum_cache as $fid => $forum) { if($forum['active'] == 0) { $inactive[] = $fid; foreach($forum_cache as $fid1 => $forum1) { if(my_strpos(",".$forum1['parentlist'].",", ",".$fid.",") !== false && !in_array($fid1, $inactive)) { $inactive[] = $fid1; } } } } $inactiveforums = implode(",", $inactive); return $inactiveforums; } /** * Checks to make sure a user has not tried to login more times than permitted * Will stop execution with call to error() unless * * @param bool (Optional) The function will stop execution if it finds an error with the login. Default is True * @return bool Number of logins when success, false if failed. */ function login_attempt_check($fatal = true) { global $mybb, $lang, $session, $db; if($mybb->settings['failedlogincount'] == 0) { return 1; } // Note: Number of logins is defaulted to 1, because using 0 seems to clear cookie data. Not really a problem as long as we account for 1 being default. // Use cookie if possible, otherwise use session // Find better solution to prevent clearing cookies $loginattempts = 0; $failedlogin = 0; if(!empty($mybb->cookies['loginattempts'])) { $loginattempts = $mybb->cookies['loginattempts']; } if(!empty($mybb->cookies['failedlogin'])) { $failedlogin = $mybb->cookies['failedlogin']; } // Work out if the user has had more than the allowed number of login attempts if($loginattempts > $mybb->settings['failedlogincount']) { // If so, then we need to work out if they can try to login again // Some maths to work out how long they have left and display it to them $now = TIME_NOW; if(empty($mybb->cookies['failedlogin'])) { $failedtime = $now; } else { $failedtime = $mybb->cookies['failedlogin']; } $secondsleft = $mybb->settings['failedlogintime'] * 60 + $failedtime - $now; $hoursleft = floor($secondsleft / 3600); $minsleft = floor(($secondsleft / 60) % 60); $secsleft = floor($secondsleft % 60); // This value will be empty the first time the user doesn't login in, set it if(empty($failedlogin)) { my_setcookie('failedlogin', $now); if($fatal) { error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft)); } return false; } // Work out if the user has waited long enough before letting them login again if($mybb->cookies['failedlogin'] < ($now - $mybb->settings['failedlogintime'] * 60)) { my_setcookie('loginattempts', 1); my_unsetcookie('failedlogin'); if($mybb->user['uid'] != 0) { $update_array = array( 'loginattempts' => 1 ); $db->update_query("users", $update_array, "uid = '{$mybb->user['uid']}'"); } return 1; } // Not waited long enough else if($mybb->cookies['failedlogin'] > ($now - $mybb->settings['failedlogintime'] * 60)) { if($fatal) { error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft)); } return false; } } // User can attempt another login return $loginattempts; } /** * Validates the format of an email address. * * @param string The string to check. * @return boolean True when valid, false when invalid. */ function validate_email_format($email) { if(strpos($email, ' ') !== false) { return false; } // Valid local characters for email addresses: http://www.remote.org/jochen/mail/info/chars.html return preg_match("/^[a-zA-Z0-9&*+\-_.{}~^\?=\/]+@[a-zA-Z0-9-]+\.([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]{2,}$/si", $email); } /** * Checks to see if the email is already in use by another * * @param string The email to check. * @param string User ID of the user (updating only) * @return boolean True when in use, false when not. */ function email_already_in_use($email, $uid="") { global $db; $uid_string = ""; if($uid) { $uid_string = " AND uid != '".intval($uid)."'"; } $query = $db->simple_select("users", "COUNT(email) as emails", "email = '".$db->escape_string($email)."'{$uid_string}"); if($db->fetch_field($query, "emails") > 0) { return true; } return false; } /* * DEPRECATED! ONLY INCLUDED FOR COMPATIBILITY PURPOSES. */ function rebuildsettings() { rebuild_settings(); } /** * Rebuilds settings.php * */ function rebuild_settings() { global $db, $mybb; if(!file_exists(MYBB_ROOT."inc/settings.php")) { $mode = "x"; } else { $mode = "w"; } $options = array( "order_by" => "title", "order_dir" => "ASC" ); $query = $db->simple_select("settings", "value, name", "", $options); while($setting = $db->fetch_array($query)) { $mybb->settings[$setting['name']] = $setting['value']; $setting['value'] = addcslashes($setting['value'], '\\"$'); $settings .= "\$settings['{$setting['name']}'] = \"{$setting['value']}\";\n"; } $settings = "<"."?php\n/*********************************\ \n DO NOT EDIT THIS FILE, PLEASE USE\n THE SETTINGS EDITOR\n\*********************************/\n\n$settings\n?".">"; $file = @fopen(MYBB_ROOT."inc/settings.php", $mode); @fwrite($file, $settings); @fclose($file); $GLOBALS['settings'] = &$mybb->settings; } /** * Build a PREG compatible array of search highlight terms to replace in posts. * * @param string Incoming terms to highlight * @return array PREG compatible array of terms */ function build_highlight_array($terms) { global $mybb; if($mybb->settings['minsearchword'] < 1) { $mybb->settings['minsearchword'] = 3; } if(is_array($terms)) { $terms = implode(' ', $terms); } // Strip out any characters that shouldn't be included $bad_characters = array( "(", ")", "+", "-", "~" ); $terms = str_replace($bad_characters, '', $terms); // Check if this is a "series of words" - should be treated as an EXACT match if(my_strpos($terms, "\"") !== false) { $inquote = false; $terms = explode("\"", $terms); foreach($terms as $phrase) { $phrase = htmlspecialchars_uni($phrase); if($phrase != "") { if($inquote) { $words[] = trim($phrase); } else { $split_words = preg_split("#\s{1,}#", $phrase, -1); if(!is_array($split_words)) { continue; } foreach($split_words as $word) { if(!$word || strlen($word) < $mybb->settings['minsearchword']) { continue; } $words[] = trim($word); } } } $inquote = !$inquote; } } // Otherwise just a simple search query with no phrases else { $terms = htmlspecialchars_uni($terms); $split_words = preg_split("#\s{1,}#", $terms, -1); if(is_array($split_words)) { foreach($split_words as $word) { if(!$word || strlen($word) < $mybb->settings['minsearchword']) { continue; } $words[] = trim($word); } } } if(!is_array($words)) { return false; } // Sort the word array by length. Largest terms go first and work their way down to the smallest term. // This resolves problems like "test tes" where "tes" will be highlighted first, then "test" can't be highlighted because of the changed html usort($words, create_function('$a,$b', 'return strlen($b) - strlen($a);')); // Loop through our words to build the PREG compatible strings foreach($words as $word) { $word = trim($word); $word = my_strtolower($word); // Special boolean operators should be stripped if($word == "" || $word == "or" || $word == "not" || $word == "and") { continue; } // Now make PREG compatible $find = "#(?!<.*?)(".preg_quote($word, "#").")(?![^<>]*?>)#ui"; $replacement = "$1"; $highlight_cache[$find] = $replacement; } return $highlight_cache; } /** * Converts a decimal reference of a character to its UTF-8 equivalent * (Code by Anne van Kesteren, http://annevankesteren.nl/2005/05/character-references) * * @param string Decimal value of a character reference */ function dec_to_utf8($src) { $dest = ''; if($src < 0) { return false; } elseif($src <= 0x007f) { $dest .= chr($src); } elseif($src <= 0x07ff) { $dest .= chr(0xc0 | ($src >> 6)); $dest .= chr(0x80 | ($src & 0x003f)); } elseif($src <= 0xffff) { $dest .= chr(0xe0 | ($src >> 12)); $dest .= chr(0x80 | (($src >> 6) & 0x003f)); $dest .= chr(0x80 | ($src & 0x003f)); } elseif($src <= 0x10ffff) { $dest .= chr(0xf0 | ($src >> 18)); $dest .= chr(0x80 | (($src >> 12) & 0x3f)); $dest .= chr(0x80 | (($src >> 6) & 0x3f)); $dest .= chr(0x80 | ($src & 0x3f)); } else { // Out of range return false; } return $dest; } /** * Checks if a username has been disallowed for registration/use. * * @param string The username * @param boolean True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned */ function is_banned_username($username, $update_lastuse=false) { global $db; $query = $db->simple_select('banfilters', 'filter, fid', "type='2'"); while($banned_username = $db->fetch_array($query)) { // Make regular expression * match $banned_username['filter'] = str_replace('\*', '(.*)', preg_quote($banned_username['filter'], '#')); if(preg_match("#(^|\b){$banned_username['filter']}($|\b)#i", $username)) { // Updating last use if($update_lastuse == true) { $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_username['fid']}'"); } return true; } } // Still here - good username return false; } /** * Check if a specific email address has been banned. * * @param string The email address. * @param boolean True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned */ function is_banned_email($email, $update_lastuse=false) { global $cache, $db; $banned_cache = $cache->read("bannedemails"); if($banned_cache === false) { // Failed to read cache, see if we can rebuild it $cache->update_bannedemails(); $banned_cache = $cache->read("bannedemails"); } if(is_array($banned_cache) && !empty($banned_cache)) { foreach($banned_cache as $banned_email) { // Make regular expression * match $banned_email['filter'] = str_replace('\*', '(.*)', preg_quote($banned_email['filter'], '#')); if(preg_match("#{$banned_email['filter']}#i", $email)) { // Updating last use if($update_lastuse == true) { $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_email['fid']}'"); } return true; } } } // Still here - good email return false; } /** * Checks if a specific IP address has been banned. * * @param string The IP address. * @param boolean True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned. */ function is_banned_ip($ip_address, $update_lastuse=false) { global $db, $cache; $banned_ips = $cache->read("bannedips"); if(!is_array($banned_ips)) { return false; } foreach($banned_ips as $banned_ip) { if(!$banned_ip['filter']) { continue; } // Make regular expression * match $banned_ip['filter'] = str_replace('\*', '(.*)', preg_quote($banned_ip['filter'], '#')); if(preg_match("#^{$banned_ip['filter']}$#i", $ip_address)) { // Updating last use if($update_lastuse == true) { $db->update_query("banfilters", array("lastuse" => TIME_NOW), "fid='{$banned_ip['fid']}'"); } return true; } } // Still here - good ip return false; } /** * Build a time zone selection list. * * @param string The name of the select * @param int The selected time zone (defaults to GMT) * @param boolean True to generate a "short" list with just timezone and current time */ function build_timezone_select($name, $selected=0, $short=false) { global $mybb, $lang; $timezones = array( "-12" => $lang->timezone_gmt_minus_1200, "-11" => $lang->timezone_gmt_minus_1100, "-10" => $lang->timezone_gmt_minus_1000, "-9" => $lang->timezone_gmt_minus_900, "-8" => $lang->timezone_gmt_minus_800, "-7" => $lang->timezone_gmt_minus_700, "-6" => $lang->timezone_gmt_minus_600, "-5" => $lang->timezone_gmt_minus_500, "-4.5" => $lang->timezone_gmt_minus_450, "-4" => $lang->timezone_gmt_minus_400, "-3.5" => $lang->timezone_gmt_minus_350, "-3" => $lang->timezone_gmt_minus_300, "-2" => $lang->timezone_gmt_minus_200, "-1" => $lang->timezone_gmt_minus_100, "0" => $lang->timezone_gmt, "1" => $lang->timezone_gmt_100, "2" => $lang->timezone_gmt_200, "3" => $lang->timezone_gmt_300, "3.5" => $lang->timezone_gmt_350, "4" => $lang->timezone_gmt_400, "4.5" => $lang->timezone_gmt_450, "5" => $lang->timezone_gmt_500, "5.5" => $lang->timezone_gmt_550, "6" => $lang->timezone_gmt_600, "7" => $lang->timezone_gmt_700, "8" => $lang->timezone_gmt_800, "9" => $lang->timezone_gmt_900, "9.5" => $lang->timezone_gmt_950, "10" => $lang->timezone_gmt_1000, "11" => $lang->timezone_gmt_1100, "12" => $lang->timezone_gmt_1200 ); $selected = str_replace("+", "", $selected); $select = ""; return $select; } /** * Fetch the contents of a remote fle. * * @param string The URL of the remote file * @return string The remote file contents. */ function fetch_remote_file($url, $post_data=array()) { $post_body = ''; if(!empty($post_data)) { foreach($post_data as $key => $val) { $post_body .= '&'.urlencode($key).'='.urlencode($val); } $post_body = ltrim($post_body, '&'); } if(function_exists("curl_init")) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); if(!empty($post_body)) { curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_body); } $data = curl_exec($ch); curl_close($ch); return $data; } else if(function_exists("fsockopen")) { $url = @parse_url($url); if(!$url['host']) { return false; } if(!$url['port']) { $url['port'] = 80; } if(!$url['path']) { $url['path'] = "/"; } if($url['query']) { $url['path'] .= "?{$url['query']}"; } $fp = @fsockopen($url['host'], $url['port'], $error_no, $error, 10); @stream_set_timeout($fp, 10); if(!$fp) { return false; } $headers = array(); if(!empty($post_body)) { $headers[] = "POST {$url['path']} HTTP/1.0"; $headers[] = "Content-Length: ".strlen($post_body); $headers[] = "Content-Type: application/x-www-form-urlencoded"; } else { $headers[] = "GET {$url['path']} HTTP/1.0"; } $headers[] = "Host: {$url['host']}"; $headers[] = "Connection: Close"; $headers[] = ''; if(!empty($post_body)) { $headers[] = $post_body; } else { // 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 $headers[] = ''; } $headers = implode("\r\n", $headers); if(!@fwrite($fp, $headers)) { return false; } while(!feof($fp)) { $data .= fgets($fp, 12800); } fclose($fp); $data = explode("\r\n\r\n", $data, 2); return $data[1]; } else if(empty($post_data)) { return @implode("", @file($url)); } else { return false; } } /** * Checks if a particular user is a super administrator. * * @param int The user ID to check against the list of super admins * @return boolean True if a super admin, false if not */ function is_super_admin($uid) { global $mybb; $mybb->config['super_admins'] = str_replace(" ", "", $mybb->config['super_admins']); if(my_strpos(",{$mybb->config['super_admins']},", ",{$uid},") === false) { return false; } else { return true; } } /** * Split a string based on the specified delimeter, ignoring said delimeter in escaped strings. * Ex: the "quick brown fox" jumped, could return 1 => the, 2 => quick brown fox, 3 => jumped * * @param string The delimeter to split by * @param string The string to split * @param string The escape character or string if we have one. * @return array Array of split string */ function escaped_explode($delimeter, $string, $escape="") { $strings = array(); $original = $string; $in_escape = false; if($escape) { if(is_array($escape)) { function escaped_explode_escape($string) { return preg_quote($string, "#"); } $escape_preg = "(".implode("|", array_map("escaped_explode_escape", $escape)).")"; } else { $escape_preg = preg_quote($escape, "#"); } $quoted_strings = preg_split("#(? "1 {$lang->day}", "2-0-0" => "2 {$lang->days}", "3-0-0" => "3 {$lang->days}", "4-0-0" => "4 {$lang->days}", "5-0-0" => "5 {$lang->days}", "6-0-0" => "6 {$lang->days}", "7-0-0" => "1 {$lang->week}", "14-0-0" => "2 {$lang->weeks}", "21-0-0" => "3 {$lang->weeks}", "0-1-0" => "1 {$lang->month}", "0-2-0" => "2 {$lang->months}", "0-3-0" => "3 {$lang->months}", "0-4-0" => "4 {$lang->months}", "0-5-0" => "5 {$lang->months}", "0-6-0" => "6 {$lang->months}", "0-0-1" => "1 {$lang->year}", "0-0-2" => "2 {$lang->years}" ); $ban_times = $plugins->run_hooks("functions_fetch_ban_times", $ban_times); $ban_times['---'] = $lang->permanent; return $ban_times; } /** * Format a ban length in to a UNIX timestamp. * * @param string The ban length string * @param int The optional UNIX timestamp, if 0, current time is used. * @return int The UNIX timestamp when the ban will be lifted */ function ban_date2timestamp($date, $stamp=0) { if($stamp == 0) { $stamp = TIME_NOW; } $d = explode('-', $date); $nowdate = date("H-j-n-Y", $stamp); $n = explode('-', $nowdate); $n[1] += $d[0]; $n[2] += $d[1]; $n[3] += $d[2]; return mktime(date("G"), date("i"), 0, $n[2], $n[1], $n[3]); } /** * Expire old warnings in the database. * */ function expire_warnings() { global $db; $users = array(); $query = $db->query(" SELECT w.wid, w.uid, w.points, u.warningpoints FROM ".TABLE_PREFIX."warnings w LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=w.uid) WHERE expires<".TIME_NOW." AND expires!=0 AND expired!=1 "); while($warning = $db->fetch_array($query)) { $updated_warning = array( "expired" => 1 ); $db->update_query("warnings", $updated_warning, "wid='{$warning['wid']}'"); if(array_key_exists($warning['uid'], $users)) { $users[$warning['uid']] -= $warning['points']; } else { $users[$warning['uid']] = $warning['warningpoints']-$warning['points']; } } foreach($users as $uid => $warningpoints) { if($warningpoints < 0) { $warningpoints = 0; } $updated_user = array( "warningpoints" => intval($warningpoints) ); $db->update_query("users", $updated_user, "uid='".intval($uid)."'"); } } /** * Custom chmod function to fix problems with hosts who's server configurations screw up umasks * * @param string The file to chmod * @param string The mode to chmod(i.e. 0666) */ function my_chmod($file, $mode) { // Passing $mode as an octal number causes strlen and substr to return incorrect values. Instead pass as a string if(substr($mode, 0, 1) != '0' || strlen($mode) !== 4) { return false; } $old_umask = umask(0); // We convert the octal string to a decimal number because passing a octal string doesn't work with chmod // and type casting subsequently removes the prepended 0 which is needed for octal numbers $result = chmod($file, octdec($mode)); umask($old_umask); return $result; } /** * Custom rmdir function to loop through an entire directory and delete all files/folders within * * @param string The path to the directory * @param array Any files you wish to ignore (optional) */ function my_rmdir_recursive($path, $ignore=array()) { global $orig_dir; if(!isset($orig_dir)) { $orig_dir = $path; } if(@is_dir($path) && !@is_link($path)) { if($dh = @opendir($path)) { while(($file = @readdir($dh)) !== false) { if($file == '.' || $file == '..' || $file == '.svn' || in_array($path.'/'.$file, $ignore) || !my_rmdir_recursive($path.'/'.$file)) { continue; } } @closedir($dh); } // Are we done? Don't delete the main folder too and return true if($path == $orig_dir) { return true; } return @rmdir($path); } return @unlink($path); } /** * Counts the number of subforums in a array([pid][disporder][fid]) starting from the pid * * @param array The array of forums * @return integer The number of sub forums */ function subforums_count($array) { $count = 0; foreach($array as $array2) { $count += count($array2); } return $count; } /** * Fix for PHP's ip2long to guarantee a 32-bit signed integer value is produced (this is aimed * at 64-bit versions of PHP) * * @param string The IP to convert * @return integer IP in 32-bit signed format */ function my_ip2long($ip) { $ip_long = ip2long($ip); if(!$ip_long) { $ip_long = sprintf("%u", ip2long($ip)); if(!$ip_long) { return 0; } } if($ip_long >= 2147483648) // Won't occur on 32-bit PHP { $ip_long -= 4294967296; } return $ip_long; } /** * As above, fix for PHP's long2ip on 64-bit versions * * @param integer The IP to convert (will accept 64-bit IPs as well) * @return string IP in IPv4 format */ function my_long2ip($long) { // On 64-bit machines is_int will return true. On 32-bit it will return false if($long < 0 && is_int(2147483648)) { // We have a 64-bit system $long += 4294967296; } return long2ip($long); } /** * Processes a checksum list on MyBB files and returns a result set * * @param array The array of checksums and their corresponding files * @return array The bad files */ function verify_files($path=MYBB_ROOT, $count=0) { global $mybb, $checksums, $bad_verify_files; // We don't need to check these types of files $ignore = array(".", "..", ".svn", "config.php", "settings.php", "Thumb.db", "config.default.php", "lock", "htaccess.txt", "logo.gif"); $ignore_ext = array("attach"); if(substr($path, -1, 1) == "/") { $path = substr($path, 0, -1); } if(!is_array($bad_verify_files)) { $bad_verify_files = array(); } // Make sure that we're in a directory and it's not a symbolic link if(@is_dir($path) && !@is_link($path)) { if($dh = @opendir($path)) { // Loop through all the files/directories in this directory while(($file = @readdir($dh)) !== false) { if(in_array($file, $ignore) || in_array(get_extension($file), $ignore_ext)) { continue; } // Recurse through the directory tree if(is_dir($path."/".$file)) { verify_files($path."/".$file, ($count+1)); continue; } // We only need the last part of the path (from the MyBB directory to the file. i.e. inc/functions.php) $file_path = ".".str_replace(substr(MYBB_ROOT, 0, -1), "", $path)."/".$file; // Does this file even exist in our official list? Perhaps it's a plugin if(array_key_exists($file_path, $checksums)) { $filename = $path."/".$file; $handle = fopen($filename, "rb"); $contents = ''; while(!feof($handle)) { $contents .= fread($handle, 8192); } fclose($handle); $md5 = md5($contents); // Does it match any of our hashes (unix/windows new lines taken into consideration with the hashes) if(!in_array($md5, $checksums[$file_path])) { $bad_verify_files[] = array("status" => "changed", "path" => $file_path); } } unset($checksums[$file_path]); } @closedir($dh); } } if($count == 0) { if(!empty($checksums)) { foreach($checksums as $file_path => $hashes) { if(in_array(basename($file_path), $ignore)) { continue; } $bad_verify_files[] = array("status" => "missing", "path" => $file_path); } } } // uh oh if($count == 0) { return $bad_verify_files; } } /** * Returns a signed value equal to an integer * * @param int The integer * @return string The signed equivalent */ function signed($int) { if($int < 0) { return "$int"; } else { return "+$int"; } } /** * Returns a securely generated seed for PHP's RNG (Random Number Generator) * * @param int Length of the seed bytes (8 is default. Provides good cryptographic variance) * @return int An integer equivalent of a secure hexadecimal seed */ function secure_seed_rng($count=8) { $output = ''; // Try the unix/linux method if(@is_readable('/dev/urandom') && ($handle = @fopen('/dev/urandom', 'rb'))) { $output = @fread($handle, $count); @fclose($handle); } // Didn't work? Do we still not have enough bytes? Use our own (less secure) rng generator if(strlen($output) < $count) { $output = ''; // Close to what PHP basically uses internally to seed, but not quite. $unique_state = microtime().@getmypid(); for($i = 0; $i < $count; $i += 16) { $unique_state = md5(microtime().$unique_state); $output .= pack('H*', md5($unique_state)); } } // /dev/urandom and openssl will always be twice as long as $count. base64_encode will roughly take up 33% more space but crc32 will put it to 32 characters $output = hexdec(substr(dechex(crc32(base64_encode($output))), 0, $count)); return $output; } /** * Wrapper function for mt_rand. Automatically seeds using a secure seed once. * * @param int Optional lowest value to be returned (default: 0) * @param int Optional highest value to be returned (default: mt_getrandmax()) * @param boolean True forces it to reseed the RNG first * @return int An integer equivalent of a secure hexadecimal seed */ function my_rand($min=null, $max=null, $force_seed=false) { static $seeded = false; static $obfuscator = 0; if($seeded == false || $force_seed == true) { mt_srand(secure_seed_rng()); $seeded = true; $obfuscator = abs((int) secure_seed_rng()); // Ensure that $obfuscator is <= mt_getrandmax() for 64 bit systems. if($obfuscator > mt_getrandmax()) { $obfuscator -= mt_getrandmax(); } } if($min !== null && $max !== null) { $distance = $max - $min; if ($distance > 0) { return $min + (int)((float)($distance + 1) * (float)(mt_rand() ^ $obfuscator) / (mt_getrandmax() + 1)); } else { return mt_rand($min, $max); } } else { $val = mt_rand() ^ $obfuscator; return $val; } } /** * More robust version of PHP's trim() function. It includes a list of UTF-16 blank characters * from http://kb.mozillazine.org/Network.IDN.blacklist_chars * * @param string The string to trim from * @param string Optional. The stripped characters can also be specified using the charlist parameter * @return string The trimmed string */ function trim_blank_chrs($string, $charlist=false) { $hex_chrs = array( 0x20 => 1, 0x09 => 1, 0x0A => 1, 0x0D => 1, 0x0B => 1, 0xAD => 1, 0xA0 => 1, 0xAD => 1, 0xBF => 1, 0x81 => 1, 0x8D => 1, 0x90 => 1, 0x9D => 1, 0xCC => array(0xB7 => 1, 0xB8 => 1), // \x{0337} or \x{0338} 0xE1 => array(0x85 => array(0x9F => 1, 0xA0 => 1)), // \x{115F} or \x{1160} 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, // \x{2000} to \x{200B} 0xA8 => 1, 0xA9 => 1, 0xAA => 1, 0xAB => 1, 0xAC => 1, 0xAD => 1, 0xAE => 1, 0xAF => 1), // \x{2028} to \x{202F} 0x81 => array(0x9F => 1)), // \x{205F} 0xE3 => array(0x80 => array(0x80 => 1), // \x{3000} 0x85 => array(0xA4 => 1)), // \x{3164} 0xEF => array(0xBB => array(0xBF => 1), // \x{FEFF} 0xBE => array(0xA0 => 1), // \x{FFA0} 0xBF => array(0xB9 => 1, 0xBA => 1, 0xBB => 1)), // \x{FFF9} to \x{FFFB} ); $hex_chrs_rev = array( 0x20 => 1, 0x09 => 1, 0x0A => 1, 0x0D => 1, 0x0B => 1, 0xA0 => array(0xC2 => 1), 0xAD => array(0xC2 => 1), 0xBF => array(0xC2 => 1), 0x81 => array(0xC2 => 1), 0x8D => array(0xC2 => 1), 0x90 => array(0xC2 => 1), 0x9D => array(0xC2 => 1), 0xB8 => array(0xCC => 1), // \x{0338} 0xB7 => array(0xCC => 1), // \x{0337} 0xA0 => array(0x85 => array(0xE1 => 1)), // \x{1160} 0x9F => array(0x85 => array(0xE1 => 1), // \x{115F} 0x81 => array(0xE2 => 1)), // \x{205F} 0x80 => array(0x80 => array(0xE3 => 1, 0xE2 => 1)), // \x{3000}, \x{2000} 0x81 => array(0x80 => array(0xE2 => 1)), // \x{2001} 0x82 => array(0x80 => array(0xE2 => 1)), // \x{2002} 0x83 => array(0x80 => array(0xE2 => 1)), // \x{2003} 0x84 => array(0x80 => array(0xE2 => 1)), // \x{2004} 0x85 => array(0x80 => array(0xE2 => 1)), // \x{2005} 0x86 => array(0x80 => array(0xE2 => 1)), // \x{2006} 0x87 => array(0x80 => array(0xE2 => 1)), // \x{2007} 0x88 => array(0x80 => array(0xE2 => 1)), // \x{2008} 0x89 => array(0x80 => array(0xE2 => 1)), // \x{2009} 0x8A => array(0x80 => array(0xE2 => 1)), // \x{200A} 0x8B => array(0x80 => array(0xE2 => 1)), // \x{200B} 0xA8 => array(0x80 => array(0xE2 => 1)), // \x{2028} 0xA9 => array(0x80 => array(0xE2 => 1)), // \x{2029} 0xAA => array(0x80 => array(0xE2 => 1)), // \x{202A} 0xAB => array(0x80 => array(0xE2 => 1)), // \x{202B} 0xAC => array(0x80 => array(0xE2 => 1)), // \x{202C} 0xAD => array(0x80 => array(0xE2 => 1)), // \x{202D} 0xAE => array(0x80 => array(0xE2 => 1)), // \x{202E} 0xAF => array(0x80 => array(0xE2 => 1)), // \x{202F} 0xA4 => array(0x85 => array(0xE3 => 1)), // \x{3164} 0xBF => array(0xBB => array(0xEF => 1)), // \x{FEFF} 0xA0 => array(0xBE => array(0xEF => 1)), // \x{FFA0} 0xB9 => array(0xBF => array(0xEF => 1)), // \x{FFF9} 0xBA => array(0xBF => array(0xEF => 1)), // \x{FFFA} 0xBB => array(0xBF => array(0xEF => 1)), // \x{FFFB} ); // Start from the beginning and work our way in do { // Check to see if we have matched a first character in our utf-16 array $offset = match_sequence($string, $hex_chrs); if(!$offset) { // If not, then we must have a "good" character and we don't need to do anymore processing break; } $string = substr($string, $offset); } while(++$i); // Start from the end and work our way in $string = strrev($string); do { // Check to see if we have matched a first character in our utf-16 array $offset = match_sequence($string, $hex_chrs_rev); if(!$offset) { // If not, then we must have a "good" character and we don't need to do anymore processing break; } $string = substr($string, $offset); } while(++$i); $string = strrev($string); if($charlist !== false) { $string = trim($string, $charlist); } else { $string = trim($string); } return $string; } function match_sequence($string, $array, $i=0, $n=0) { if($string === "") { return 0; } $ord = ord($string[$i]); if(array_key_exists($ord, $array)) { $level = $array[$ord]; ++$n; if(is_array($level)) { ++$i; return match_sequence($string, $level, $i, $n); } return $n; } return 0; } /** * Obtain the version of GD installed. * * @return float Version of GD */ function gd_version() { static $gd_version; if($gd_version) { return $gd_version; } if(!extension_loaded('gd')) { return; } if(function_exists("gd_info")) { $gd_info = gd_info(); preg_match('/\d/', $gd_info['GD Version'], $gd); $gd_version = $gd[0]; } else { ob_start(); phpinfo(8); $info = ob_get_contents(); ob_end_clean(); $info = stristr($info, 'gd version'); preg_match('/\d/', $info, $gd); $gd_version = $gd[0]; } return $gd_version; } /** * Handles 4 byte UTF-8 characters. * * This can be used to either reject strings which contain 4 byte UTF-8 * characters, or replace them with question marks. This is limited to UTF-8 * collated databases using MySQL. * * Original: http://www.avidheap.org/2013/a-quick-way-to-normalize-a-utf8-string-when-your-mysql-database-is-not-utf8mb4 * * @param string The string to be checked. * @param bool If false don't return the string, only the boolean result. * @return mixed Return a string if the second parameter is true, boolean otherwise. */ function utf8_handle_4byte_string($input, $return=true) { global $config; if($config['database']['type'] != 'mysql' && $config['database']['type'] != 'mysqli') { if($return == true) { return $input; } return true; } $contains_4bytes = false; if(!empty($input)) { $utf8_2byte = 0xC0 /*1100 0000*/; $utf8_2byte_bmask = 0xE0 /*1110 0000*/; $utf8_3byte = 0xE0 /*1110 0000*/; $utf8_3byte_bmask = 0XF0 /*1111 0000*/; $utf8_4byte = 0xF0 /*1111 0000*/; $utf8_4byte_bmask = 0xF8 /*1111 1000*/; $sanitized = ""; $len = strlen($input); for($i = 0; $i < $len; ++$i) { $mb_char = $input[$i]; // Potentially a multibyte sequence $byte = ord($mb_char); if(($byte & $utf8_2byte_bmask) == $utf8_2byte) { $mb_char .= $input[++$i]; } elseif(($byte & $utf8_3byte_bmask) == $utf8_3byte) { $mb_char .= $input[++$i]; $mb_char .= $input[++$i]; } elseif(($byte & $utf8_4byte_bmask) == $utf8_4byte) { $contains_4bytes = true; // Replace with ? to avoid MySQL exception $mb_char = '?'; $i += 3; } $sanitized .= $mb_char; if($contains_4bytes == true && $return == false) { return false; } } $input = $sanitized; } if($contains_4bytes == false && $return == false) { return true; } return $input; } ?>