run_hooks("pre_parse_page", $contents); $contents = parse_page($contents); $totaltime = format_time_duration($maintimer->stop()); $contents = $plugins->run_hooks("pre_output_page", $contents); if($mybb->usergroup['cancp'] == 1 || $mybb->dev_mode == 1) { if($mybb->settings['extraadmininfo'] != 0) { $phptime = $maintimer->totaltime - $db->query_time; $query_time = $db->query_time; if($maintimer->totaltime > 0) { $percentphp = number_format((($phptime/$maintimer->totaltime) * 100), 2); $percentsql = number_format((($query_time/$maintimer->totaltime) * 100), 2); } else { // if we've got a super fast script... all we can do is assume something $percentphp = 0; $percentsql = 0; } $serverload = get_server_load(); if(my_strpos(getenv("REQUEST_URI"), "?")) { $debuglink = htmlspecialchars_uni(getenv("REQUEST_URI")) . "&debug=1"; } else { $debuglink = htmlspecialchars_uni(getenv("REQUEST_URI")) . "?debug=1"; } $memory_usage = get_memory_usage(); if($memory_usage) { $memory_usage = $lang->sprintf($lang->debug_memory_usage, get_friendly_size($memory_usage)); } else { $memory_usage = ''; } // MySQLi is still MySQL, so present it that way to the user $database_server = $db->short_title; if($database_server == 'MySQLi') { $database_server = 'MySQL'; } $generated_in = $lang->sprintf($lang->debug_generated_in, $totaltime); $debug_weight = $lang->sprintf($lang->debug_weight, $percentphp, $percentsql, $database_server); $sql_queries = $lang->sprintf($lang->debug_sql_queries, $db->query_count); $server_load = $lang->sprintf($lang->debug_server_load, $serverload); eval("\$debugstuff = \"".$templates->get("debug_summary")."\";"); $contents = str_replace("", $debugstuff, $contents); } if($mybb->debug_mode == true) { debug_page(); } } $contents = str_replace("", "", $contents); if($mybb->settings['gzipoutput'] == 1) { $contents = gzip_encode($contents, $mybb->settings['gziplevel']); } @header("Content-type: text/html; charset={$lang->settings['charset']}"); echo $contents; $plugins->run_hooks("post_output_page"); } /** * Adds a function or class to the list of code to run on shutdown. * * @param string|array $name The name of the function. * @param mixed $arguments Either an array of arguments for the function or one argument * @return boolean True if function exists, otherwise false. */ function add_shutdown($name, $arguments=array()) { global $shutdown_functions; if(!is_array($shutdown_functions)) { $shutdown_functions = array(); } if(!is_array($arguments)) { $arguments = array($arguments); } if(is_array($name) && method_exists($name[0], $name[1])) { $shutdown_functions[] = array('function' => $name, 'arguments' => $arguments); return true; } else if(!is_array($name) && function_exists($name)) { $shutdown_functions[] = array('function' => $name, 'arguments' => $arguments); return true; } return false; } /** * Runs the shutdown items after the page has been sent to the browser. * */ function run_shutdown() { global $config, $db, $cache, $plugins, $error_handler, $shutdown_functions, $shutdown_queries, $done_shutdown, $mybb; if($done_shutdown == true || !$config || (isset($error_handler) && $error_handler->has_errors)) { return; } if(empty($shutdown_queries) && empty($shutdown_functions)) { // Nothing to do return; } // Missing the core? Build if(!is_object($mybb)) { require_once MYBB_ROOT."inc/class_core.php"; $mybb = new MyBB; // Load the settings require MYBB_ROOT."inc/settings.php"; $mybb->settings = &$settings; } // If our DB has been deconstructed already (bad PHP 5.2.0), reconstruct if(!is_object($db)) { if(!isset($config) || empty($config['database']['type'])) { require MYBB_ROOT."inc/config.php"; } if(isset($config)) { // Load DB interface require_once MYBB_ROOT."inc/db_base.php"; require_once MYBB_ROOT . 'inc/AbstractPdoDbDriver.php'; require_once MYBB_ROOT."inc/db_".$config['database']['type'].".php"; switch($config['database']['type']) { case "sqlite": $db = new DB_SQLite; break; case "pgsql": $db = new DB_PgSQL; break; case "pgsql_pdo": $db = new PostgresPdoDbDriver(); break; case "mysqli": $db = new DB_MySQLi; break; case "mysql_pdo": $db = new MysqlPdoDbDriver(); break; default: $db = new DB_MySQL; } $db->connect($config['database']); if(!defined("TABLE_PREFIX")) { define("TABLE_PREFIX", $config['database']['table_prefix']); } $db->set_table_prefix(TABLE_PREFIX); } } // Cache object deconstructed? reconstruct if(!is_object($cache)) { require_once MYBB_ROOT."inc/class_datacache.php"; $cache = new datacache; $cache->cache(); } // And finally.. plugins if(!is_object($plugins) && !defined("NO_PLUGINS") && !($mybb->settings['no_plugins'] == 1)) { require_once MYBB_ROOT."inc/class_plugins.php"; $plugins = new pluginSystem; $plugins->load(); } // We have some shutdown queries needing to be run if(is_array($shutdown_queries)) { // Loop through and run them all foreach($shutdown_queries as $query) { $db->write_query($query); } } // Run any shutdown functions if we have them if(is_array($shutdown_functions)) { foreach($shutdown_functions as $function) { call_user_func_array($function['function'], $function['arguments']); } } $done_shutdown = true; } /** * Sends a specified amount of messages from the mail queue * * @param int $count The number of messages to send (Defaults to 10) */ function send_mail_queue($count=10) { global $db, $cache, $plugins; $plugins->run_hooks("send_mail_queue_start"); // Check to see if the mail queue has messages needing to be sent $mailcache = $cache->read("mailqueue"); if($mailcache !== false && $mailcache['queue_size'] > 0 && ($mailcache['locked'] == 0 || $mailcache['locked'] < TIME_NOW-300)) { // Lock the queue so no other messages can be sent whilst these are (for popular boards) $cache->update_mailqueue(0, TIME_NOW); // Fetch emails for this page view - and send them $query = $db->simple_select("mailqueue", "*", "", array("order_by" => "mid", "order_dir" => "asc", "limit_start" => 0, "limit" => $count)); while($email = $db->fetch_array($query)) { // Delete the message from the queue $db->delete_query("mailqueue", "mid='{$email['mid']}'"); if($db->affected_rows() == 1) { my_mail($email['mailto'], $email['subject'], $email['message'], $email['mailfrom'], "", $email['headers'], true); } } // Update the mailqueue cache and remove the lock $cache->update_mailqueue(TIME_NOW, 0); } $plugins->run_hooks("send_mail_queue_end"); } /** * Parses the contents of a page before outputting it. * * @param string $contents The contents of the page. * @return string The parsed page. */ function parse_page($contents) { global $lang, $theme, $mybb, $htmldoctype, $archive_url, $error_handler; $contents = str_replace('', build_breadcrumb(), $contents); $contents = str_replace('', $archive_url, $contents); if($htmldoctype) { $contents = $htmldoctype.$contents; } else { $contents = "\n".$contents; } $contents = str_replace("settings['rtl'] == 1) { $contents = str_replace("settings['htmllang']) { $contents = str_replace("settings['htmllang']."\" lang=\"".$lang->settings['htmllang']."\"", $contents); } if($error_handler->warnings) { $contents = str_replace("", "\n".$error_handler->show_warnings(), $contents); } return $contents; } /** * Turn a unix timestamp in to a "friendly" date/time format for the user. * * @param string $format A date format (either relative, normal or PHP's date() structure). * @param int $stamp The unix timestamp the date should be generated for. * @param int|string $offset The offset in hours that should be applied to times. (timezones) Or an empty string to determine that automatically * @param int $ty Whether or not to use today/yesterday formatting. * @param boolean $adodb Whether or not to use the adodb time class for < 1970 or > 2038 times * @return string The formatted timestamp. */ function my_date($format, $stamp=0, $offset="", $ty=1, $adodb=false) { global $mybb, $lang, $plugins; // If the stamp isn't set, use TIME_NOW if(empty($stamp)) { $stamp = TIME_NOW; } if(!$offset && $offset != '0') { if(isset($mybb->user['uid']) && $mybb->user['uid'] != 0 && array_key_exists("timezone", $mybb->user)) { $offset = (float)$mybb->user['timezone']; $dstcorrection = $mybb->user['dst']; } else { $offset = (float)$mybb->settings['timezoneoffset']; $dstcorrection = $mybb->settings['dstcorrection']; } // If DST correction is enabled, add an additional hour to the timezone. if($dstcorrection == 1) { ++$offset; if(my_substr($offset, 0, 1) != "-") { $offset = "+".$offset; } } } if($offset == "-") { $offset = 0; } // Using ADOdb? if($adodb == true && !function_exists('adodb_date')) { $adodb = false; } $todaysdate = $yesterdaysdate = ''; if($ty && ($format == $mybb->settings['dateformat'] || $format == 'relative' || $format == 'normal')) { $_stamp = TIME_NOW; if($adodb == true) { $date = adodb_date($mybb->settings['dateformat'], $stamp + ($offset * 3600)); $todaysdate = adodb_date($mybb->settings['dateformat'], $_stamp + ($offset * 3600)); $yesterdaysdate = adodb_date($mybb->settings['dateformat'], ($_stamp - 86400) + ($offset * 3600)); } else { $date = gmdate($mybb->settings['dateformat'], $stamp + ($offset * 3600)); $todaysdate = gmdate($mybb->settings['dateformat'], $_stamp + ($offset * 3600)); $yesterdaysdate = gmdate($mybb->settings['dateformat'], ($_stamp - 86400) + ($offset * 3600)); } } if($format == 'relative') { // Relative formats both date and time $real_date = $real_time = ''; if($adodb == true) { $real_date = adodb_date($mybb->settings['dateformat'], $stamp + ($offset * 3600)); $real_time = $mybb->settings['datetimesep']; $real_time .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } else { $real_date = gmdate($mybb->settings['dateformat'], $stamp + ($offset * 3600)); $real_time = $mybb->settings['datetimesep']; $real_time .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } if($ty != 2 && abs(TIME_NOW - $stamp) < 3600) { $diff = TIME_NOW - $stamp; $relative = array('prefix' => '', 'minute' => 0, 'plural' => $lang->rel_minutes_plural, 'suffix' => $lang->rel_ago); if($diff < 0) { $diff = abs($diff); $relative['suffix'] = ''; $relative['prefix'] = $lang->rel_in; } $relative['minute'] = floor($diff / 60); if($relative['minute'] <= 1) { $relative['minute'] = 1; $relative['plural'] = $lang->rel_minutes_single; } if($diff <= 60) { // Less than a minute $relative['prefix'] = $lang->rel_less_than; } $date = $lang->sprintf($lang->rel_time, $relative['prefix'], $relative['minute'], $relative['plural'], $relative['suffix'], $real_date, $real_time); } elseif($ty != 2 && abs(TIME_NOW - $stamp) < 43200) { $diff = TIME_NOW - $stamp; $relative = array('prefix' => '', 'hour' => 0, 'plural' => $lang->rel_hours_plural, 'suffix' => $lang->rel_ago); if($diff < 0) { $diff = abs($diff); $relative['suffix'] = ''; $relative['prefix'] = $lang->rel_in; } $relative['hour'] = floor($diff / 3600); if($relative['hour'] <= 1) { $relative['hour'] = 1; $relative['plural'] = $lang->rel_hours_single; } $date = $lang->sprintf($lang->rel_time, $relative['prefix'], $relative['hour'], $relative['plural'], $relative['suffix'], $real_date, $real_time); } else { if($ty) { if($todaysdate == $date) { $date = $lang->sprintf($lang->today_rel, $real_date); } else if($yesterdaysdate == $date) { $date = $lang->sprintf($lang->yesterday_rel, $real_date); } } $date .= $mybb->settings['datetimesep']; if($adodb == true) { $date .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } else { $date .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } } } elseif($format == 'normal') { // Normal format both date and time if($ty != 2) { if($todaysdate == $date) { $date = $lang->today; } else if($yesterdaysdate == $date) { $date = $lang->yesterday; } } $date .= $mybb->settings['datetimesep']; if($adodb == true) { $date .= adodb_date($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } else { $date .= gmdate($mybb->settings['timeformat'], $stamp + ($offset * 3600)); } } else { if($ty && $format == $mybb->settings['dateformat']) { if($todaysdate == $date) { $date = $lang->today; } else if($yesterdaysdate == $date) { $date = $lang->yesterday; } } else { if($adodb == true) { $date = adodb_date($format, $stamp + ($offset * 3600)); } else { $date = gmdate($format, $stamp + ($offset * 3600)); } } } if(is_object($plugins)) { $date = $plugins->run_hooks("my_date", $date); } return $date; } /** * Get a mail handler instance, a MyBB's built-in SMTP / PHP mail hander or one created by a plugin. * @param bool $use_buitlin Whether to use MyBB's built-in mail handler. * * @return object A MyBB built-in mail handler or one created by plugin(s). */ function &get_my_mailhandler($use_buitlin = false) { global $mybb, $plugins; static $my_mailhandler; static $my_mailhandler_builtin; if($use_buitlin) { // If our built-in mail handler doesn't exist, create it. if(!is_object($my_mailhandler_builtin)) { require_once MYBB_ROOT . "inc/class_mailhandler.php"; // Using SMTP. if(isset($mybb->settings['mail_handler']) && $mybb->settings['mail_handler'] == 'smtp') { require_once MYBB_ROOT . "inc/mailhandlers/smtp.php"; $my_mailhandler_builtin = new SmtpMail(); } // Using PHP mail(). else { require_once MYBB_ROOT . "inc/mailhandlers/php.php"; $my_mailhandler_builtin = new PhpMail(); if(!empty($mybb->config['mail_parameters'])) { $my_mailhandler_builtin->additional_parameters = $mybb->config['mail_parameters']; } } } if(isset($plugins) && is_object($plugins)) { $plugins->run_hooks('my_mailhandler_builtin_after_init', $my_mailhandler_builtin); } return $my_mailhandler_builtin; } // If our mail handler doesn't exist, create it. if(!is_object($my_mailhandler)) { require_once MYBB_ROOT . "inc/class_mailhandler.php"; if(isset($plugins) && is_object($plugins)) { $plugins->run_hooks('my_mailhandler_init', $my_mailhandler); } // If no plugin has ever created the mail handler, resort to use the built-in one. if(!is_object($my_mailhandler) || !($my_mailhandler instanceof MailHandler)) { $my_mailhandler = &get_my_mailhandler(true); } } return $my_mailhandler; } /** * Sends an email using PHP's mail function, formatting it appropriately. * * @param string $to Address the email should be addressed to. * @param string $subject The subject of the email being sent. * @param string $message The message being sent. * @param string $from The from address of the email, if blank, the board name will be used. * @param string $charset The chracter set being used to send this email. * @param string $headers * @param boolean $keep_alive Do we wish to keep the connection to the mail server alive to send more than one message (SMTP only) * @param string $format The format of the email to be sent (text or html). text is default * @param string $message_text The text message of the email if being sent in html format, for email clients that don't support html * @param string $return_email The email address to return to. Defaults to admin return email address. * @return bool True if the mail is sent, false otherwise. */ function my_mail($to, $subject, $message, $from="", $charset="", $headers="", $keep_alive=false, $format="text", $message_text="", $return_email="") { global $mybb, $plugins; // Get our mail handler. $mail = &get_my_mailhandler(); // If MyBB's built-in SMTP mail handler is used, set the keep alive bit accordingly. if($keep_alive == true && isset($mail->keep_alive) && isset($mybb->settings['mail_handler']) && $mybb->settings['mail_handler'] == 'smtp') { require_once MYBB_ROOT . "inc/class_mailhandler.php"; require_once MYBB_ROOT . "inc/mailhandlers/smtp.php"; if($mail instanceof MailHandler && $mail instanceof SmtpMail) { $mail->keep_alive = true; } } // Following variables will help sequential plugins to determine how to process plugin hooks. // Mark this variable true if the hooked plugin has sent the mail, otherwise don't modify it. $is_mail_sent = false; // Mark this variable false if the hooked plugin doesn't suggest sequential plugins to continue processing. $continue_process = true; $my_mail_parameters = array( 'to' => &$to, 'subject' => &$subject, 'message' => &$message, 'from' => &$from, 'charset' => &$charset, 'headers' => &$headers, 'keep_alive' => &$keep_alive, 'format' => &$format, 'message_text' => &$message_text, 'return_email' => &$return_email, 'is_mail_sent' => &$is_mail_sent, 'continue_process' => &$continue_process, ); if(isset($plugins) && is_object($plugins)) { $plugins->run_hooks('my_mail_pre_build_message', $my_mail_parameters); } // Build the mail message. $mail->build_message($to, $subject, $message, $from, $charset, $headers, $format, $message_text, $return_email); if(isset($plugins) && is_object($plugins)) { $plugins->run_hooks('my_mail_pre_send', $my_mail_parameters); } // Check if the hooked plugins still suggest to send the mail. if($continue_process) { $is_mail_sent = $mail->send(); } if(isset($plugins) && is_object($plugins)) { $plugins->run_hooks('my_mail_post_send', $my_mail_parameters); } return $is_mail_sent; } /** * Generates a code for POST requests to prevent XSS/CSRF attacks. * Unique for each user or guest session and rotated every 6 hours. * * @param int $rotation_shift Adjustment of the rotation number to generate a past/future code * @return string The generated code */ function generate_post_check($rotation_shift=0) { global $mybb, $session; $rotation_interval = 6 * 3600; $rotation = floor(TIME_NOW / $rotation_interval) + $rotation_shift; $seed = $rotation; if($mybb->user['uid']) { $seed .= $mybb->user['loginkey'].$mybb->user['salt'].$mybb->user['regdate']; } else { $seed .= $session->sid; } if(defined('IN_ADMINCP')) { $seed .= 'ADMINCP'; } $seed .= $mybb->settings['internal']['encryption_key']; return md5($seed); } /** * Verifies a POST check code is valid (i.e. generated using a rotation number from the past 24 hours) * * @param string $code The incoming POST check code * @param boolean $silent Don't show an error to the user * @return bool|void Result boolean if $silent is true, otherwise shows an error to the user */ function verify_post_check($code, $silent=false) { global $lang; if( generate_post_check() !== $code && generate_post_check(-1) !== $code && generate_post_check(-2) !== $code && generate_post_check(-3) !== $code ) { if($silent == true) { return false; } else { if(defined("IN_ADMINCP")) { return false; } else { error($lang->invalid_post_code); } } } else { return true; } } /** * Return a parent list for the specified forum. * * @param int $fid The forum id to get the parent list for. * @return string The comma-separated parent list. */ function get_parent_list($fid) { global $forum_cache; static $forumarraycache; if(!empty($forumarraycache[$fid])) { return $forumarraycache[$fid]['parentlist']; } elseif(!empty($forum_cache[$fid])) { return $forum_cache[$fid]['parentlist']; } else { cache_forums(); return $forum_cache[$fid]['parentlist']; } } /** * Build a parent list of a specific forum, suitable for querying * * @param int $fid The forum ID * @param string $column The column name to add to the query * @param string $joiner The joiner for each forum for querying (OR | AND | etc) * @param string $parentlist The parent list of the forum - if you have it * @return string The query string generated */ function build_parent_list($fid, $column="fid", $joiner="OR", $parentlist="") { if(!$parentlist) { $parentlist = get_parent_list($fid); } $parentsexploded = explode(",", $parentlist); $builtlist = "("; $sep = ''; foreach($parentsexploded as $key => $val) { $builtlist .= "$sep$column='$val'"; $sep = " $joiner "; } $builtlist .= ")"; return $builtlist; } /** * Load the forum cache in to memory * * @param boolean $force True to force a reload of the cache * @return array The forum cache */ function cache_forums($force=false) { global $forum_cache, $cache; if($force == true) { $forum_cache = $cache->read("forums", 1); return $forum_cache; } if(!$forum_cache) { $forum_cache = $cache->read("forums"); if(!$forum_cache) { $cache->update_forums(); $forum_cache = $cache->read("forums", 1); } } return $forum_cache; } /** * Generate an array of all child and descendant forums for a specific forum. * * @param int $fid The forum ID * @return Array of descendants */ function get_child_list($fid) { static $forums_by_parent; $forums = array(); if(!is_array($forums_by_parent)) { $forum_cache = cache_forums(); foreach($forum_cache as $forum) { if($forum['active'] != 0) { $forums_by_parent[$forum['pid']][$forum['fid']] = $forum; } } } if(isset($forums_by_parent[$fid])) { if(!is_array($forums_by_parent[$fid])) { return $forums; } foreach($forums_by_parent[$fid] as $forum) { $forums[] = (int)$forum['fid']; $children = get_child_list($forum['fid']); if(is_array($children)) { $forums = array_merge($forums, $children); } } } return $forums; } /** * Produce a friendly error message page * * @param string $error The error message to be shown * @param string $title The title of the message shown in the title of the page and the error table */ function error($error="", $title="") { global $header, $footer, $theme, $headerinclude, $db, $templates, $lang, $mybb, $plugins; $error = $plugins->run_hooks("error", $error); if(!$error) { $error = $lang->unknown_error; } // AJAX error message? if($mybb->get_input('ajax', MyBB::INPUT_INT)) { // Send our headers. @header("Content-type: application/json; charset={$lang->settings['charset']}"); echo json_encode(array("errors" => array($error))); exit; } if(!$title) { $title = $mybb->settings['bbname']; } $timenow = my_date('relative', TIME_NOW); reset_breadcrumb(); add_breadcrumb($lang->error); eval("\$errorpage = \"".$templates->get("error")."\";"); output_page($errorpage); exit; } /** * Produce an error message for displaying inline on a page * * @param array $errors Array of errors to be shown * @param string $title The title of the error message * @param array $json_data JSON data to be encoded (we may want to send more data; e.g. newreply.php uses this for CAPTCHA) * @return string The inline error HTML */ function inline_error($errors, $title="", $json_data=array()) { global $theme, $mybb, $db, $lang, $templates; if(!$title) { $title = $lang->please_correct_errors; } if(!is_array($errors)) { $errors = array($errors); } // AJAX error message? if($mybb->get_input('ajax', MyBB::INPUT_INT)) { // Send our headers. @header("Content-type: application/json; charset={$lang->settings['charset']}"); if(empty($json_data)) { echo json_encode(array("errors" => $errors)); } else { echo json_encode(array_merge(array("errors" => $errors), $json_data)); } exit; } $errorlist = ''; foreach($errors as $error) { eval("\$errorlist .= \"".$templates->get("error_inline_item")."\";"); } eval("\$errors = \"".$templates->get("error_inline")."\";"); return $errors; } /** * Presents the user with a "no permission" page */ function error_no_permission() { global $mybb, $theme, $templates, $db, $lang, $plugins, $session; $time = TIME_NOW; $plugins->run_hooks("no_permission"); $noperm_array = array ( "nopermission" => '1', "location1" => 0, "location2" => 0 ); $db->update_query("sessions", $noperm_array, "sid='{$session->sid}'"); if($mybb->get_input('ajax', MyBB::INPUT_INT)) { // Send our headers. header("Content-type: application/json; charset={$lang->settings['charset']}"); echo json_encode(array("errors" => array($lang->error_nopermission_user_ajax))); exit; } if($mybb->user['uid']) { $lang->error_nopermission_user_username = $lang->sprintf($lang->error_nopermission_user_username, htmlspecialchars_uni($mybb->user['username'])); eval("\$errorpage = \"".$templates->get("error_nopermission_loggedin")."\";"); } else { // Redirect to where the user came from $redirect_url = $_SERVER['PHP_SELF']; if($_SERVER['QUERY_STRING']) { $redirect_url .= '?'.$_SERVER['QUERY_STRING']; } $redirect_url = htmlspecialchars_uni($redirect_url); switch($mybb->settings['username_method']) { case 0: $lang_username = $lang->username; break; case 1: $lang_username = $lang->username1; break; case 2: $lang_username = $lang->username2; break; default: $lang_username = $lang->username; break; } eval("\$errorpage = \"".$templates->get("error_nopermission")."\";"); } error($errorpage); } /** * Redirect the user to a given URL with a given message * * @param string $url The URL to redirect the user to * @param string $message The redirection message to be shown * @param string $title The title of the redirection page * @param boolean $force_redirect Force the redirect page regardless of settings */ function redirect($url, $message="", $title="", $force_redirect=false) { global $header, $footer, $mybb, $theme, $headerinclude, $templates, $lang, $plugins; $redirect_args = array('url' => &$url, 'message' => &$message, 'title' => &$title); $plugins->run_hooks("redirect", $redirect_args); if($mybb->get_input('ajax', MyBB::INPUT_INT)) { // Send our headers. //@header("Content-type: text/html; charset={$lang->settings['charset']}"); $data = "\n"; //exit; @header("Content-type: application/json; charset={$lang->settings['charset']}"); echo json_encode(array("data" => $data)); exit; } if(!$message) { $message = $lang->redirect; } $time = TIME_NOW; $timenow = my_date('relative', $time); if(!$title) { $title = $mybb->settings['bbname']; } // Show redirects only if both ACP and UCP settings are enabled, or ACP is enabled, and user is a guest, or they are forced. if($force_redirect == true || ($mybb->settings['redirects'] == 1 && (!$mybb->user['uid'] || $mybb->user['showredirect'] == 1))) { $url = str_replace("&", "&", $url); $url = htmlspecialchars_uni($url); eval("\$redirectpage = \"".$templates->get("redirect")."\";"); output_page($redirectpage); } else { $url = htmlspecialchars_decode($url); $url = str_replace(array("\n","\r",";"), "", $url); run_shutdown(); if(!my_validate_url($url, true, true)) { header("Location: {$mybb->settings['bburl']}/{$url}"); } else { header("Location: {$url}"); } } exit; } /** * Generate a listing of page - pagination * * @param int $count The number of items * @param int $perpage The number of items to be shown per page * @param int $page The current page number * @param string $url The URL to have page numbers tacked on to (If {page} is specified, the value will be replaced with the page #) * @param boolean $breadcrumb Whether or not the multipage is being shown in the navigation breadcrumb * @return string The generated pagination */ function multipage($count, $perpage, $page, $url, $breadcrumb=false) { global $theme, $templates, $lang, $mybb, $plugins; if($count <= $perpage) { return ''; } $args = array( 'count' => &$count, 'perpage' => &$perpage, 'page' => &$page, 'url' => &$url, 'breadcrumb' => &$breadcrumb, ); $plugins->run_hooks('multipage', $args); $page = (int)$page; $url = str_replace("&", "&", $url); $url = htmlspecialchars_uni($url); $pages = ceil($count / $perpage); $prevpage = ''; if($page > 1) { $prev = $page-1; $page_url = fetch_page_url($url, $prev); eval("\$prevpage = \"".$templates->get("multipage_prevpage")."\";"); } // Maximum number of "page bits" to show if(!$mybb->settings['maxmultipagelinks']) { $mybb->settings['maxmultipagelinks'] = 5; } $from = $page-floor($mybb->settings['maxmultipagelinks']/2); $to = $page+floor($mybb->settings['maxmultipagelinks']/2); if($from <= 0) { $from = 1; $to = $from+$mybb->settings['maxmultipagelinks']-1; } if($to > $pages) { $to = $pages; $from = $pages-$mybb->settings['maxmultipagelinks']+1; if($from <= 0) { $from = 1; } } if($to == 0) { $to = $pages; } $start = ''; if($from > 1) { if($from-1 == 1) { $lang->multipage_link_start = ''; } $page_url = fetch_page_url($url, 1); eval("\$start = \"".$templates->get("multipage_start")."\";"); } $mppage = ''; for($i = $from; $i <= $to; ++$i) { $page_url = fetch_page_url($url, $i); if($page == $i) { if($breadcrumb == true) { eval("\$mppage .= \"".$templates->get("multipage_page_link_current")."\";"); } else { eval("\$mppage .= \"".$templates->get("multipage_page_current")."\";"); } } else { eval("\$mppage .= \"".$templates->get("multipage_page")."\";"); } } $end = ''; if($to < $pages) { if($to+1 == $pages) { $lang->multipage_link_end = ''; } $page_url = fetch_page_url($url, $pages); eval("\$end = \"".$templates->get("multipage_end")."\";"); } $nextpage = ''; if($page < $pages) { $next = $page+1; $page_url = fetch_page_url($url, $next); eval("\$nextpage = \"".$templates->get("multipage_nextpage")."\";"); } $jumptopage = ''; if($pages > ($mybb->settings['maxmultipagelinks']+1) && $mybb->settings['jumptopagemultipage'] == 1) { // 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 $jump_url = fetch_page_url($url, 1); eval("\$jumptopage = \"".$templates->get("multipage_jump_page")."\";"); } $multipage_pages = $lang->sprintf($lang->multipage_pages, $pages); if($breadcrumb == true) { eval("\$multipage = \"".$templates->get("multipage_breadcrumb")."\";"); } else { eval("\$multipage = \"".$templates->get("multipage")."\";"); } return $multipage; } /** * Generate a page URL for use by the multipage function * * @param string $url The URL being passed * @param int $page The page number * @return string */ function fetch_page_url($url, $page) { if($page <= 1) { $find = array( "-page-{page}", "&page={page}", "{page}" ); // Remove "Page 1" to the defacto URL $url = str_replace($find, array("", "", $page), $url); return $url; } else if(strpos($url, "{page}") === false) { // If no page identifier is specified we tack it on to the end of the URL if(strpos($url, "?") === false) { $url .= "?"; } else { $url .= "&"; } $url .= "page=$page"; } else { $url = str_replace("{page}", $page, $url); } return $url; } /** * Fetch the permissions for a specific user * * @param int $uid The user ID, if no user ID is provided then current user's ID will be considered. * @return array Array of user permissions for the specified user */ function user_permissions($uid=null) { global $mybb, $cache, $groupscache, $user_cache; // If no user id is specified, assume it is the current user if($uid === null) { $uid = $mybb->user['uid']; } // Its a guest. Return the group permissions directly from cache if($uid == 0) { return $groupscache[1]; } // User id does not match current user, fetch permissions if($uid != $mybb->user['uid']) { // We've already cached permissions for this user, return them. if(!empty($user_cache[$uid]['permissions'])) { return $user_cache[$uid]['permissions']; } // This user was not already cached, fetch their user information. if(empty($user_cache[$uid])) { $user_cache[$uid] = get_user($uid); } // Collect group permissions. $gid = $user_cache[$uid]['usergroup'].",".$user_cache[$uid]['additionalgroups']; $groupperms = usergroup_permissions($gid); // Store group permissions in user cache. $user_cache[$uid]['permissions'] = $groupperms; return $groupperms; } // This user is the current user, return their permissions else { return $mybb->usergroup; } } /** * Fetch the usergroup permissions for a specific group or series of groups combined * * @param int|string $gid A list of groups (Can be a single integer, or a list of groups separated by a comma) * @return array Array of permissions generated for the groups, containing also a list of comma-separated checked groups under 'all_usergroups' index */ function usergroup_permissions($gid=0) { global $cache, $groupscache, $grouppermignore, $groupzerogreater, $groupzerolesser, $groupxgreater, $grouppermbyswitch; if(!is_array($groupscache)) { $groupscache = $cache->read("usergroups"); } $groups = explode(",", $gid); if(count($groups) == 1) { $groupscache[$gid]['all_usergroups'] = $gid; return $groupscache[$gid]; } $usergroup = array(); $usergroup['all_usergroups'] = $gid; // Get those switch permissions from the first valid group. $permswitches_usergroup = array(); $grouppermswitches = array(); foreach(array_values($grouppermbyswitch) as $permvalue) { if(is_array($permvalue)) { foreach($permvalue as $perm) { $grouppermswitches[] = $perm; } } else { $grouppermswitches[] = $permvalue; } } $grouppermswitches = array_unique($grouppermswitches); foreach($groups as $gid) { if(trim($gid) == "" || empty($groupscache[$gid])) { continue; } foreach($grouppermswitches as $perm) { $permswitches_usergroup[$perm] = $groupscache[$gid][$perm]; } break; // Only retieve the first available group's permissions as how following action does. } foreach($groups as $gid) { if(trim($gid) == "" || empty($groupscache[$gid])) { continue; } foreach($groupscache[$gid] as $perm => $access) { if(!in_array($perm, $grouppermignore)) { if(isset($usergroup[$perm])) { $permbit = $usergroup[$perm]; } else { $permbit = ""; } // permission type: 0 not a numerical permission, otherwise a numerical permission. // Positive value is for `greater is more` permission, negative for `lesser is more`. $perm_is_numerical = 0; $perm_numerical_lowerbound = 0; // 0 represents unlimited for most numerical group permissions (i.e. private message limit) so take that into account. if(in_array($perm, $groupzerogreater)) { // 1 means a `0 or greater` permission. Value 0 means unlimited. $perm_is_numerical = 1; } // Less is more for some numerical group permissions (i.e. post count required for using signature) so take that into account, too. else if(in_array($perm, $groupzerolesser)) { // -1 means a `0 or lesser` permission. Value 0 means unlimited. $perm_is_numerical = -1; } // Greater is more, but with a lower bound. else if(array_key_exists($perm, $groupxgreater)) { // 2 means a general `greater` permission. Value 0 just means 0. $perm_is_numerical = 2; $perm_numerical_lowerbound = $groupxgreater[$perm]; } if($perm_is_numerical != 0) { $update_current_perm = true; // Ensure it's an integer. $access = (int)$access; // Check if this permission should be activatived by another switch permission in current group. if(array_key_exists($perm, $grouppermbyswitch)) { if(!is_array($grouppermbyswitch[$perm])) { $grouppermbyswitch[$perm] = array($grouppermbyswitch[$perm]); } $update_current_perm = $group_current_perm_enabled = $group_perm_enabled = false; foreach($grouppermbyswitch[$perm] as $permswitch) { if(!isset($groupscache[$gid][$permswitch])) { continue; } $permswitches_current = $groupscache[$gid][$permswitch]; // Determin if the permission is enabled by switches from current group. if($permswitches_current == 1 || $permswitches_current == "yes") // Keep yes/no for compatibility? { $group_current_perm_enabled = true; } // Determin if the permission is enabled by switches from previously handled groups. if($permswitches_usergroup[$permswitch] == 1 || $permswitches_usergroup[$permswitch] == "yes") // Keep yes/no for compatibility? { $group_perm_enabled = true; } } // Set this permission if not set yet. if(!isset($usergroup[$perm])) { $usergroup[$perm] = $access; } // If current group's setting enables the permission, we may need to update the user's permission. if($group_current_perm_enabled) { // Only update this permission if both its switch and current group switch are on. if($group_perm_enabled) { $update_current_perm = true; } // Override old useless value with value from current group. else { $usergroup[$perm] = $access; } } } // No switch controls this permission, or permission needs an update. if($update_current_perm) { switch($perm_is_numerical) { case 1: case -1: if($access == 0 || $permbit === 0) { $usergroup[$perm] = 0; break; } default: if($perm_is_numerical > 0 && $access > $permbit || $perm_is_numerical < 0 && $access < $permbit) { $usergroup[$perm] = $access; } break; } } // Maybe oversubtle, database uses Unsigned on them, but enables usage of permission value with a lower bound. if($usergroup[$perm] < $perm_numerical_lowerbound) { $usergroup[$perm] = $perm_numerical_lowerbound; } // Work is done for numerical permissions. continue; } if($access > $permbit || ($access == "yes" && $permbit == "no") || !$permbit) // Keep yes/no for compatibility? { $usergroup[$perm] = $access; } } } foreach($permswitches_usergroup as $perm => $value) { $permswitches_usergroup[$perm] = $usergroup[$perm]; } } return $usergroup; } /** * Fetch the display group properties for a specific display group * * @param int $gid The group ID to fetch the display properties for * @return array Array of display properties for the group */ function usergroup_displaygroup($gid) { global $cache, $groupscache, $displaygroupfields; if(!is_array($groupscache)) { $groupscache = $cache->read("usergroups"); } $displaygroup = array(); $group = $groupscache[$gid]; foreach($displaygroupfields as $field) { $displaygroup[$field] = $group[$field]; } return $displaygroup; } /** * Build the forum permissions for a specific forum, user or group * * @param int $fid The forum ID to build permissions for (0 builds for all forums) * @param int $uid The user to build the permissions for (0 will select the uid automatically) * @param int $gid The group of the user to build permissions for (0 will fetch it) * @return array Forum permissions for the specific forum or forums */ function forum_permissions($fid=0, $uid=0, $gid=0) { global $db, $cache, $groupscache, $forum_cache, $fpermcache, $mybb, $cached_forum_permissions_permissions, $cached_forum_permissions; if($uid == 0) { $uid = $mybb->user['uid']; } if(!$gid || $gid == 0) // If no group, we need to fetch it { if($uid != 0 && $uid != $mybb->user['uid']) { $user = get_user($uid); $gid = $user['usergroup'].",".$user['additionalgroups']; $groupperms = usergroup_permissions($gid); } else { $gid = $mybb->user['usergroup']; if(isset($mybb->user['additionalgroups'])) { $gid .= ",".$mybb->user['additionalgroups']; } $groupperms = $mybb->usergroup; } } if(!is_array($forum_cache)) { $forum_cache = cache_forums(); if(!$forum_cache) { return false; } } if(!is_array($fpermcache)) { $fpermcache = $cache->read("forumpermissions"); } if($fid) // Fetch the permissions for a single forum { if(empty($cached_forum_permissions_permissions[$gid][$fid])) { $cached_forum_permissions_permissions[$gid][$fid] = fetch_forum_permissions($fid, $gid, $groupperms); } return $cached_forum_permissions_permissions[$gid][$fid]; } else { if(empty($cached_forum_permissions[$gid])) { foreach($forum_cache as $forum) { $cached_forum_permissions[$gid][$forum['fid']] = fetch_forum_permissions($forum['fid'], $gid, $groupperms); } } return $cached_forum_permissions[$gid]; } } /** * Fetches the permissions for a specific forum/group applying the inheritance scheme. * Called by forum_permissions() * * @param int $fid The forum ID * @param string $gid A comma separated list of usergroups * @param array $groupperms Group permissions * @return array Permissions for this forum */ function fetch_forum_permissions($fid, $gid, $groupperms) { global $groupscache, $forum_cache, $fpermcache, $mybb, $fpermfields; $groups = explode(",", $gid); $current_permissions = array(); $only_view_own_threads = 1; $only_reply_own_threads = 1; if(empty($fpermcache[$fid])) // This forum has no custom or inherited permissions so lets just return the group permissions { $current_permissions = $groupperms; } else { foreach($groups as $gid) { // If this forum has custom or inherited permissions for the currently looped group. if(!empty($fpermcache[$fid][$gid])) { $level_permissions = $fpermcache[$fid][$gid]; } // Or, use the group permission instead, if available. Some forum permissions not existing here will be added back later. else if(!empty($groupscache[$gid])) { $level_permissions = $groupscache[$gid]; } // No permission is available for the currently looped group, probably we have bad data here. else { continue; } foreach($level_permissions as $permission => $access) { if(empty($current_permissions[$permission]) || $access >= $current_permissions[$permission] || ($access == "yes" && $current_permissions[$permission] == "no")) { $current_permissions[$permission] = $access; } } if($level_permissions["canview"] && empty($level_permissions["canonlyviewownthreads"])) { $only_view_own_threads = 0; } if($level_permissions["canpostreplys"] && empty($level_permissions["canonlyreplyownthreads"])) { $only_reply_own_threads = 0; } } if(count($current_permissions) == 0) { $current_permissions = $groupperms; } } // Figure out if we can view more than our own threads if($only_view_own_threads == 0 || !isset($current_permissions["canonlyviewownthreads"])) { $current_permissions["canonlyviewownthreads"] = 0; } // Figure out if we can reply more than our own threads if($only_reply_own_threads == 0 || !isset($current_permissions["canonlyreplyownthreads"])) { $current_permissions["canonlyreplyownthreads"] = 0; } return $current_permissions; } /** * Check whether password for given forum was validated for the current user * * @param array $forum The forum data * @param bool $ignore_empty Whether to treat forum password configured as an empty string as validated * @param bool $check_parents Whether to check parent forums using `parentlist` * @return bool */ function forum_password_validated($forum, $ignore_empty=false, $check_parents=false) { global $mybb, $forum_cache; if($check_parents && isset($forum['parentlist'])) { if(!is_array($forum_cache)) { $forum_cache = cache_forums(); if(!$forum_cache) { return false; } } $parents = explode(',', $forum['parentlist']); rsort($parents); foreach($parents as $parent_id) { if($parent_id != $forum['fid'] && !forum_password_validated($forum_cache[$parent_id], true)) { return false; } } } return ($ignore_empty && $forum['password'] === '') || ( isset($mybb->cookies['forumpass'][$forum['fid']]) && my_hash_equals( md5($mybb->user['uid'].$forum['password']), $mybb->cookies['forumpass'][$forum['fid']] ) ); } /** * Check the password given on a certain forum for validity * * @param int $fid The forum ID * @param int $pid The Parent ID * @param bool $return * @return bool */ function check_forum_password($fid, $pid=0, $return=false) { global $mybb, $header, $footer, $headerinclude, $theme, $templates, $lang, $forum_cache; $showform = true; if(!is_array($forum_cache)) { $forum_cache = cache_forums(); if(!$forum_cache) { return false; } } // Loop through each of parent forums to ensure we have a password for them too if(isset($forum_cache[$fid]['parentlist'])) { $parents = explode(',', $forum_cache[$fid]['parentlist']); rsort($parents); } if(!empty($parents)) { foreach($parents as $parent_id) { if($parent_id == $fid || $parent_id == $pid) { continue; } if($forum_cache[$parent_id]['password'] !== "") { check_forum_password($parent_id, $fid); } } } if($forum_cache[$fid]['password'] !== '') { if(isset($mybb->input['pwverify']) && $pid == 0) { if(my_hash_equals($forum_cache[$fid]['password'], $mybb->get_input('pwverify'))) { my_setcookie("forumpass[$fid]", md5($mybb->user['uid'].$mybb->get_input('pwverify')), null, true); $showform = false; } else { eval("\$pwnote = \"".$templates->get("forumdisplay_password_wrongpass")."\";"); $showform = true; } } else { if(!forum_password_validated($forum_cache[$fid])) { $showform = true; } else { $showform = false; } } } else { $showform = false; } if($return) { return $showform; } if($showform) { if($pid) { header("Location: ".$mybb->settings['bburl']."/".get_forum_link($fid)); } else { $_SERVER['REQUEST_URI'] = htmlspecialchars_uni($_SERVER['REQUEST_URI']); eval("\$pwform = \"".$templates->get("forumdisplay_password")."\";"); output_page($pwform); } exit; } } /** * Return the permissions for a moderator in a specific forum * * @param int $fid The forum ID * @param int $uid The user ID to fetch permissions for (0 assumes current logged in user) * @param string $parentslist The parent list for the forum (if blank, will be fetched) * @return array Array of moderator permissions for the specific forum */ function get_moderator_permissions($fid, $uid=0, $parentslist="") { global $mybb, $cache, $db; static $modpermscache; if($uid < 1) { $uid = $mybb->user['uid']; } if($uid == 0) { return false; } if(isset($modpermscache[$fid][$uid])) { return $modpermscache[$fid][$uid]; } if(!$parentslist) { $parentslist = explode(',', get_parent_list($fid)); } // Get user groups $perms = array(); $user = get_user($uid); $groups = array($user['usergroup']); if(!empty($user['additionalgroups'])) { $extra_groups = explode(",", $user['additionalgroups']); foreach($extra_groups as $extra_group) { $groups[] = $extra_group; } } $mod_cache = $cache->read("moderators"); foreach($mod_cache as $forumid => $forum) { if(empty($forum) || !is_array($forum) || !in_array($forumid, $parentslist)) { // No perms or we're not after this forum continue; } // User settings override usergroup settings if(!empty($forum['users'][$uid])) { $perm = $forum['users'][$uid]; foreach($perm as $action => $value) { if(strpos($action, "can") === false) { continue; } if(!isset($perms[$action])) { $perms[$action] = $value; } // Figure out the user permissions else if($value == 0) { // The user doesn't have permission to set this action $perms[$action] = 0; } else { $perms[$action] = max($perm[$action], $perms[$action]); } } } foreach($groups as $group) { if(empty($forum['usergroups'][$group]) || !is_array($forum['usergroups'][$group])) { // There are no permissions set for this group continue; } $perm = $forum['usergroups'][$group]; foreach($perm as $action => $value) { if(strpos($action, "can") === false) { continue; } if(!isset($perms[$action])) { $perms[$action] = $value; } else { $perms[$action] = max($perm[$action], $perms[$action]); } } } } $modpermscache[$fid][$uid] = $perms; return $perms; } /** * Checks if a moderator has permissions to perform an action in a specific forum * * @param int $fid The forum ID (0 assumes global) * @param string $action The action tyring to be performed. (blank assumes any action at all) * @param int $uid The user ID (0 assumes current user) * @return bool Returns true if the user has permission, false if they do not */ function is_moderator($fid=0, $action="", $uid=0) { global $mybb, $cache, $plugins; if($uid == 0) { $uid = $mybb->user['uid']; } if($uid == 0) { return false; } $user_perms = user_permissions($uid); $hook_args = array( 'fid' => $fid, 'action' => $action, 'uid' => $uid, ); $plugins->run_hooks("is_moderator", $hook_args); if(isset($hook_args['is_moderator'])) { return (boolean) $hook_args['is_moderator']; } if(!empty($user_perms['issupermod']) && $user_perms['issupermod'] == 1) { if($fid) { $forumpermissions = forum_permissions($fid); if(!empty($forumpermissions['canview']) && !empty($forumpermissions['canviewthreads']) && empty($forumpermissions['canonlyviewownthreads'])) { return true; } return false; } return true; } else { if(!$fid) { $modcache = $cache->read('moderators'); if(!empty($modcache)) { foreach($modcache as $modusers) { if(isset($modusers['users'][$uid]) && $modusers['users'][$uid]['mid'] && (!$action || !empty($modusers['users'][$uid][$action]))) { return true; } $groups = explode(',', $user_perms['all_usergroups']); foreach($groups as $group) { if(trim($group) != '' && isset($modusers['usergroups'][$group]) && (!$action || !empty($modusers['usergroups'][$group][$action]))) { return true; } } } } return false; } else { $modperms = get_moderator_permissions($fid, $uid); if(!$action && $modperms) { return true; } else { if(isset($modperms[$action]) && $modperms[$action] == 1) { return true; } else { return false; } } } } } /** * Get an array of fids that the forum moderator has access to. * Do not use for administraotrs or global moderators as they moderate any forum and the function will return false. * * @param int $uid The user ID (0 assumes current user) * @return array|bool an array of the fids the user has moderator access to or bool if called incorrectly. */ function get_moderated_fids($uid=0) { global $mybb, $cache; if($uid == 0) { $uid = $mybb->user['uid']; } if($uid == 0) { return array(); } $user_perms = user_permissions($uid); if($user_perms['issupermod'] == 1) { return false; } $fids = array(); $modcache = $cache->read('moderators'); if(!empty($modcache)) { $groups = explode(',', $user_perms['all_usergroups']); foreach($modcache as $fid => $forum) { if(isset($forum['users'][$uid]) && $forum['users'][$uid]['mid']) { $fids[] = $fid; continue; } foreach($groups as $group) { if(trim($group) != '' && isset($forum['usergroups'][$group])) { $fids[] = $fid; } } } } return $fids; } /** * Generate a list of the posticons. * * @return string The template of posticons. */ function get_post_icons() { global $mybb, $cache, $icon, $theme, $templates, $lang; if(isset($mybb->input['icon'])) { $icon = $mybb->get_input('icon'); } $iconlist = ''; $no_icons_checked = " checked=\"checked\""; // read post icons from cache, and sort them accordingly $posticons_cache = (array)$cache->read("posticons"); $posticons = array(); foreach($posticons_cache as $posticon) { $posticons[$posticon['name']] = $posticon; } krsort($posticons); foreach($posticons as $dbicon) { $dbicon['path'] = str_replace("{theme}", $theme['imgdir'], $dbicon['path']); $dbicon['path'] = htmlspecialchars_uni($mybb->get_asset_url($dbicon['path'])); $dbicon['name'] = htmlspecialchars_uni($dbicon['name']); if($icon == $dbicon['iid']) { $checked = " checked=\"checked\""; $no_icons_checked = ''; } else { $checked = ''; } eval("\$iconlist .= \"".$templates->get("posticons_icon")."\";"); } if(!empty($iconlist)) { eval("\$posticons = \"".$templates->get("posticons")."\";"); } else { $posticons = ''; } return $posticons; } /** * MyBB setcookie() wrapper. * * @param string $name The cookie identifier. * @param string $value The cookie value. * @param int|string $expires The timestamp of the expiry date. * @param boolean $httponly True if setting a HttpOnly cookie (supported by the majority of web browsers) * @param string $samesite The samesite attribute to prevent CSRF. */ function my_setcookie($name, $value="", $expires="", $httponly=false, $samesite="") { 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 { $expires = TIME_NOW + (int)$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) { $cookie .= "; HttpOnly"; } if($samesite != "" && $mybb->settings['cookiesamesiteflag']) { $samesite = strtolower($samesite); if($samesite == "lax" || $samesite == "strict") { $cookie .= "; SameSite=".$samesite; } } if($mybb->settings['cookiesecureflag']) { $cookie .= "; Secure"; } $mybb->cookies[$name] = $value; header($cookie, false); } /** * Unset a cookie set by MyBB. * * @param string $name The cookie identifier. */ function my_unsetcookie($name) { global $mybb; $expires = -3600; my_setcookie($name, "", $expires); unset($mybb->cookies[$name]); } /** * Get the contents from a serialised cookie array. * * @param string $name The cookie identifier. * @param int $id The cookie content id. * @return array|boolean The cookie id's content array or false when non-existent. */ function my_get_array_cookie($name, $id) { global $mybb; if(!isset($mybb->cookies['mybb'][$name])) { return false; } $cookie = my_unserialize($mybb->cookies['mybb'][$name], false); if(is_array($cookie) && isset($cookie[$id])) { return $cookie[$id]; } else { return 0; } } /** * Set a serialised cookie array. * * @param string $name The cookie identifier. * @param int $id The cookie content id. * @param string $value The value to set the cookie to. * @param int|string $expires The timestamp of the expiry date. */ function my_set_array_cookie($name, $id, $value, $expires="") { global $mybb; if(isset($mybb->cookies['mybb'][$name])) { $newcookie = my_unserialize($mybb->cookies['mybb'][$name], false); } else { $newcookie = array(); } $newcookie[$id] = $value; $newcookie = my_serialize($newcookie); my_setcookie("mybb[$name]", addslashes($newcookie), $expires); if(isset($mybb->cookies['mybb']) && !is_array($mybb->cookies['mybb'])) { $mybb->cookies['mybb'] = array(); } // Make sure our current viarables are up-to-date as well $mybb->cookies['mybb'][$name] = $newcookie; } /* * Arbitrary limits for _safe_unserialize() */ define('MAX_SERIALIZED_INPUT_LENGTH', 10240); define('MAX_SERIALIZED_ARRAY_LENGTH', 256); define('MAX_SERIALIZED_ARRAY_DEPTH', 5); /** * Credits go to https://github.com/piwik * Safe unserialize() replacement * - accepts a strict subset of PHP's native my_serialized representation * - does not unserialize objects * * @param string $str * @param bool $unlimited Whether to apply limits defined in MAX_SERIALIZED_* constants * @return mixed * @throw Exception if $str is malformed or contains unsupported types (e.g., resources, objects) */ function _safe_unserialize($str, $unlimited = true) { if(!$unlimited && strlen($str) > MAX_SERIALIZED_INPUT_LENGTH) { // input exceeds MAX_SERIALIZED_INPUT_LENGTH return false; } if(empty($str) || !is_string($str)) { return false; } $stack = $list = $expected = array(); /* * states: * 0 - initial state, expecting a single value or array * 1 - terminal state * 2 - in array, expecting end of array or a key * 3 - in array, expecting value or another array */ $state = 0; while($state != 1) { $type = isset($str[0]) ? $str[0] : ''; if($type == '}') { $str = substr($str, 1); } else if($type == 'N' && $str[1] == ';') { $value = null; $str = substr($str, 2); } else if($type == 'b' && preg_match('/^b:([01]);/', $str, $matches)) { $value = $matches[1] == '1' ? true : false; $str = substr($str, 4); } else if($type == 'i' && preg_match('/^i:(-?[0-9]+);(.*)/s', $str, $matches)) { $value = (int)$matches[1]; $str = $matches[2]; } else if($type == 'd' && preg_match('/^d:(-?[0-9]+\.?[0-9]*(E[+-][0-9]+)?);(.*)/s', $str, $matches)) { $value = (float)$matches[1]; $str = $matches[3]; } else if($type == 's' && preg_match('/^s:([0-9]+):"(.*)/s', $str, $matches) && substr($matches[2], (int)$matches[1], 2) == '";') { $value = substr($matches[2], 0, (int)$matches[1]); $str = substr($matches[2], (int)$matches[1] + 2); } else if( $type == 'a' && preg_match('/^a:([0-9]+):{(.*)/s', $str, $matches) && ($unlimited || $matches[1] < MAX_SERIALIZED_ARRAY_LENGTH) ) { $expectedLength = (int)$matches[1]; $str = $matches[2]; } else { // object or unknown/malformed type return false; } switch($state) { case 3: // in array, expecting value or another array if($type == 'a') { if(!$unlimited && count($stack) >= MAX_SERIALIZED_ARRAY_DEPTH) { // array nesting exceeds MAX_SERIALIZED_ARRAY_DEPTH return false; } $stack[] = &$list; $list[$key] = array(); $list = &$list[$key]; $expected[] = $expectedLength; $state = 2; break; } if($type != '}') { $list[$key] = $value; $state = 2; break; } // missing array value return false; case 2: // in array, expecting end of array or a key if($type == '}') { if(count($list) < end($expected)) { // array size less than expected return false; } unset($list); $list = &$stack[count($stack)-1]; array_pop($stack); // go to terminal state if we're at the end of the root array array_pop($expected); if(count($expected) == 0) { $state = 1; } break; } if($type == 'i' || $type == 's') { if(!$unlimited && count($list) >= MAX_SERIALIZED_ARRAY_LENGTH) { // array size exceeds MAX_SERIALIZED_ARRAY_LENGTH return false; } if(count($list) >= end($expected)) { // array size exceeds expected length return false; } $key = $value; $state = 3; break; } // illegal array index type return false; case 0: // expecting array or value if($type == 'a') { if(!$unlimited && count($stack) >= MAX_SERIALIZED_ARRAY_DEPTH) { // array nesting exceeds MAX_SERIALIZED_ARRAY_DEPTH return false; } $data = array(); $list = &$data; $expected[] = $expectedLength; $state = 2; break; } if($type != '}') { $data = $value; $state = 1; break; } // not in array return false; } } if(!empty($str)) { // trailing data in input return false; } return $data; } /** * Credits go to https://github.com/piwik * Wrapper for _safe_unserialize() that handles exceptions and multibyte encoding issue * * @param string $str * @param bool $unlimited * @return mixed */ function my_unserialize($str, $unlimited = true) { // Ensure we use the byte count for strings even when strlen() is overloaded by mb_strlen() if(function_exists('mb_internal_encoding') && (((int)ini_get('mbstring.func_overload')) & 2)) { $mbIntEnc = mb_internal_encoding(); mb_internal_encoding('ASCII'); } $out = _safe_unserialize($str, $unlimited); if(isset($mbIntEnc)) { mb_internal_encoding($mbIntEnc); } return $out; } /** * Unserializes data using PHP's `unserialize()`, and its safety options if possible. * This function should only be used for values from trusted sources. * * @param string $str * @return mixed */ function native_unserialize($str) { if(version_compare(PHP_VERSION, '7.0.0', '>=')) { return unserialize($str, array('allowed_classes' => false)); } else { return unserialize($str); } } /** * Credits go to https://github.com/piwik * Safe serialize() replacement * - output a strict subset of PHP's native serialized representation * - does not my_serialize objects * * @param mixed $value * @return string * @throw Exception if $value is malformed or contains unsupported types (e.g., resources, objects) */ function _safe_serialize( $value ) { if(is_null($value)) { return 'N;'; } if(is_bool($value)) { return 'b:'.(int)$value.';'; } if(is_int($value)) { return 'i:'.$value.';'; } if(is_float($value)) { return 'd:'.str_replace(',', '.', $value).';'; } if(is_string($value)) { return 's:'.strlen($value).':"'.$value.'";'; } if(is_array($value)) { $out = ''; foreach($value as $k => $v) { $out .= _safe_serialize($k) . _safe_serialize($v); } return 'a:'.count($value).':{'.$out.'}'; } // safe_serialize cannot my_serialize resources or objects return false; } /** * Credits go to https://github.com/piwik * Wrapper for _safe_serialize() that handles exceptions and multibyte encoding issue * * @param mixed $value * @return string */ function my_serialize($value) { // ensure we use the byte count for strings even when strlen() is overloaded by mb_strlen() if(function_exists('mb_internal_encoding') && (((int)ini_get('mbstring.func_overload')) & 2)) { $mbIntEnc = mb_internal_encoding(); mb_internal_encoding('ASCII'); } $out = _safe_serialize($value); if(isset($mbIntEnc)) { mb_internal_encoding($mbIntEnc); } return $out; } /** * Returns the serverload of the system. * * @return int The serverload of the system. */ function get_server_load() { global $mybb, $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($serverload[0])) { if($mybb->safemode) { 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 $changes Array of items being updated (numthreads,numposts,numusers,numunapprovedthreads,numunapprovedposts,numdeletedposts,numdeletedthreads) * @param boolean $force Force stats update? */ function update_stats($changes=array(), $force=false) { global $cache, $db; static $stats_changes; if(empty($stats_changes)) { // Update stats after all changes are done add_shutdown('update_stats', array(array(), true)); } if(empty($stats_changes) || $stats_changes['inserted']) { $stats_changes = array( 'numthreads' => '+0', 'numposts' => '+0', 'numusers' => '+0', 'numunapprovedthreads' => '+0', 'numunapprovedposts' => '+0', 'numdeletedposts' => '+0', 'numdeletedthreads' => '+0', 'inserted' => false // Reset after changes are inserted into cache ); $stats = $stats_changes; } if($force) // Force writing to cache? { if(!empty($changes)) { // Calculate before writing to cache update_stats($changes); } $stats = $cache->read("stats"); $changes = $stats_changes; } else { $stats = $stats_changes; } $new_stats = array(); $counters = array('numthreads', 'numunapprovedthreads', 'numposts', 'numunapprovedposts', 'numusers', 'numdeletedposts', 'numdeletedthreads'); foreach($counters as $counter) { if(array_key_exists($counter, $changes)) { if(substr($changes[$counter], 0, 2) == "+-") { $changes[$counter] = substr($changes[$counter], 1); } // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { if((int)$changes[$counter] != 0) { $new_stats[$counter] = $stats[$counter] + $changes[$counter]; if(!$force && (substr($stats[$counter], 0, 1) == "+" || substr($stats[$counter], 0, 1) == "-")) { // We had relative values? Then it is still relative if($new_stats[$counter] >= 0) { $new_stats[$counter] = "+{$new_stats[$counter]}"; } } // Less than 0? That's bad elseif($new_stats[$counter] < 0) { $new_stats[$counter] = 0; } } } else { $new_stats[$counter] = $changes[$counter]; // Less than 0? That's bad if($new_stats[$counter] < 0) { $new_stats[$counter] = 0; } } } } if(!$force) { $stats_changes = array_merge($stats, $new_stats); // Overwrite changed values return; } // 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'] = $lastmember['username'] = htmlspecialchars_uni($lastmember['username']); } if(!empty($new_stats)) { if(is_array($stats)) { $stats = array_merge($stats, $new_stats); // Overwrite changed values } else { $stats = $new_stats; } } // Update stats row for today in the database $todays_stats = array( "dateline" => mktime(0, 0, 0, date("m"), date("j"), date("Y")), "numusers" => (int)$stats['numusers'], "numthreads" => (int)$stats['numthreads'], "numposts" => (int)$stats['numposts'] ); $db->replace_query("stats", $todays_stats, "dateline"); $cache->update("stats", $stats, "dateline"); $stats_changes['inserted'] = true; } /** * Updates the forum counters with a specific value (or addition/subtraction of the previous value) * * @param int $fid The forum ID * @param array $changes Array of items being updated (threads, posts, unapprovedthreads, unapprovedposts, deletedposts, deletedthreads) and their value (ex, 1, +1, -1) */ function update_forum_counters($fid, $changes=array()) { global $db; $update_query = array(); $counters = array('threads', 'unapprovedthreads', 'posts', 'unapprovedposts', 'deletedposts', 'deletedthreads'); // 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, $changes)) { if(substr($changes[$counter], 0, 2) == "+-") { $changes[$counter] = substr($changes[$counter], 1); } // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { if((int)$changes[$counter] != 0) { $update_query[$counter] = $forum[$counter] + $changes[$counter]; } } else { $update_query[$counter] = $changes[$counter]; } // Less than 0? That's bad if(isset($update_query[$counter]) && $update_query[$counter] < 0) { $update_query[$counter] = 0; } } } // Only update if we're actually doing something if(count($update_query) > 0) { $db->update_query("forums", $update_query, "fid='".(int)$fid."'"); } // Guess we should update the statistics too? $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}"; } } if(array_key_exists('deletedposts', $update_query)) { $deletedposts_diff = $update_query['deletedposts'] - $forum['deletedposts']; if($deletedposts_diff > -1) { $new_stats['numdeletedposts'] = "+{$deletedposts_diff}"; } else { $new_stats['numdeletedposts'] = "{$deletedposts_diff}"; } } if(array_key_exists('deletedthreads', $update_query)) { $deletedthreads_diff = $update_query['deletedthreads'] - $forum['deletedthreads']; if($deletedthreads_diff > -1) { $new_stats['numdeletedthreads'] = "+{$deletedthreads_diff}"; } else { $new_stats['numdeletedthreads'] = "{$deletedthreads_diff}"; } } if(!empty($new_stats)) { update_stats($new_stats); } } /** * Update the last post information for a specific forum * * @param int $fid The forum ID */ function update_forum_lastpost($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 "); if($db->num_rows($query) > 0) { $lastpost = $db->fetch_array($query); $updated_forum = array( "lastpost" => (int)$lastpost['lastpost'], "lastposter" => $db->escape_string($lastpost['lastposter']), "lastposteruid" => (int)$lastpost['lastposteruid'], "lastposttid" => (int)$lastpost['tid'], "lastpostsubject" => $db->escape_string($lastpost['subject']), ); } else { $updated_forum = array( "lastpost" => 0, "lastposter" => '', "lastposteruid" => 0, "lastposttid" => 0, "lastpostsubject" => '', ); } $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 $tid The thread ID * @param array $changes Array of items being updated (replies, unapprovedposts, deletedposts, attachmentcount) and their value (ex, 1, +1, -1) */ function update_thread_counters($tid, $changes=array()) { global $db; $update_query = array(); $tid = (int)$tid; $counters = array('replies', 'unapprovedposts', 'attachmentcount', 'deletedposts', '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, $changes)) { if(substr($changes[$counter], 0, 2) == "+-") { $changes[$counter] = substr($changes[$counter], 1); } // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { if((int)$changes[$counter] != 0) { $update_query[$counter] = $thread[$counter] + $changes[$counter]; } } else { $update_query[$counter] = $changes[$counter]; } // Less than 0? That's bad if(isset($update_query[$counter]) && $update_query[$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", $update_query, "tid='{$tid}'"); } } /** * Update the first post and lastpost data for a specific thread * * @param int $tid The thread ID */ function update_thread_data($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; } $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, p.pid DESC LIMIT 1" ); $lastpost = $db->fetch_array($query); $db->free_result($query); $query = $db->query(" SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid) WHERE p.tid='$tid' ORDER BY p.dateline ASC, p.pid ASC LIMIT 1 "); $firstpost = $db->fetch_array($query); $db->free_result($query); if(empty($firstpost['username'])) { $firstpost['username'] = $firstpost['postusername']; } if(empty($lastpost['username'])) { $lastpost['username'] = $lastpost['postusername']; } if(empty($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']); $update_array = array( 'firstpost' => (int)$firstpost['pid'], 'username' => $firstpost['username'], 'uid' => (int)$firstpost['uid'], 'dateline' => (int)$firstpost['dateline'], 'lastpost' => (int)$lastpost['dateline'], 'lastposter' => $lastpost['username'], 'lastposteruid' => (int)$lastpost['uid'], ); $db->update_query("threads", $update_array, "tid='{$tid}'"); } /** * Updates the user counters with a specific value (or addition/subtraction of the previous value) * * @param int $uid The user ID * @param array $changes Array of items being updated (postnum, threadnum) and their value (ex, 1, +1, -1) */ function update_user_counters($uid, $changes=array()) { global $db; $update_query = array(); $counters = array('postnum', 'threadnum'); $uid = (int)$uid; // Fetch above counters for this user $query = $db->simple_select("users", implode(",", $counters), "uid='{$uid}'"); $user = $db->fetch_array($query); if($user) { foreach($counters as $counter) { if(array_key_exists($counter, $changes)) { if(substr($changes[$counter], 0, 2) == "+-") { $changes[$counter] = substr($changes[$counter], 1); } // Adding or subtracting from previous value? if(substr($changes[$counter], 0, 1) == "+" || substr($changes[$counter], 0, 1) == "-") { if((int)$changes[$counter] != 0) { $update_query[$counter] = $user[$counter] + $changes[$counter]; } } else { $update_query[$counter] = $changes[$counter]; } // Less than 0? That's bad if(isset($update_query[$counter]) && $update_query[$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("users", $update_query, "uid='{$uid}'"); } } /** * Deletes a thread from the database * * @param int $tid The thread ID * @return bool */ function delete_thread($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 $pid The thread ID * @return bool */ function delete_post($pid) { 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 $pid The parent forum to start with * @param int $selitem The selected item ID * @param int $addselect If we need to add select boxes to this cal or not * @param string $depth The current depth of forums we're at * @param int $showextras Whether or not to show extra items such as User CP, Forum home * @param boolean $showall Ignore the showinjump setting and show all forums (for moderation pages) * @param mixed $permissions deprecated * @param string $name The name of the forum jump * @return string Forum jump items */ function build_forum_jump($pid=0, $selitem=0, $addselect=1, $depth="", $showextras=1, $showall=false, $permissions="", $name="fid") { global $forum_cache, $jumpfcache, $permissioncache, $mybb, $forumjump, $forumjumpbits, $gobutton, $theme, $templates, $lang; $pid = (int)$pid; 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"'; } $forum['name'] = htmlspecialchars_uni(strip_tags($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($showextras == 0) { $template = "special"; } else { $template = "advanced"; if(strpos(FORUM_URL, '.html') !== false) { $forum_link = "'".str_replace('{fid}', "'+option+'", FORUM_URL)."'"; } else { $forum_link = "'".str_replace('{fid}', "'+option", FORUM_URL); } } eval("\$forumjump = \"".$templates->get("forumjump_".$template)."\";"); } return $forumjump; } /** * Returns the extension of a file. * * @param string $file The filename. * @return string The extension of the file. */ function get_extension($file) { return my_strtolower(my_substr(strrchr($file, "."), 1)); } /** * Generates a random string. * * @param int $length The length of the string to generate. * @param bool $complex Whether to return complex string. Defaults to false * @return string The random string. */ function random_str($length=8, $complex=false) { $set = array_merge(range(0, 9), range('A', 'Z'), range('a', 'z')); $str = array(); // Complex strings have always at least 3 characters, even if $length < 3 if($complex == true) { // At least one number $str[] = $set[my_rand(0, 9)]; // At least one big letter $str[] = $set[my_rand(10, 35)]; // At least one small letter $str[] = $set[my_rand(36, 61)]; $length -= 3; } for($i = 0; $i < $length; ++$i) { $str[] = $set[my_rand(0, 61)]; } // Make sure they're in random order and convert them to a string shuffle($str); return implode($str); } /** * Formats a username based on their display group * * @param string $username The username * @param int $usergroup The usergroup for the user * @param int $displaygroup The display group for the user * @return string The formatted username */ function format_name($username, $usergroup, $displaygroup=0) { global $groupscache, $cache, $plugins; static $formattednames = array(); if(!isset($formattednames[$username])) { if(!is_array($groupscache)) { $groupscache = $cache->read("usergroups"); } if($displaygroup != 0) { $usergroup = $displaygroup; } $format = "{username}"; if(isset($groupscache[$usergroup])) { $ugroup = $groupscache[$usergroup]; if(strpos($ugroup['namestyle'], "{username}") !== false) { $format = $ugroup['namestyle']; } } $format = stripslashes($format); $parameters = compact('username', 'usergroup', 'displaygroup', 'format'); $parameters = $plugins->run_hooks('format_name', $parameters); $format = $parameters['format']; $formattednames[$username] = str_replace("{username}", $username, $format); } return $formattednames[$username]; } /** * Formats an avatar to a certain dimension * * @param string $avatar The avatar file name * @param string $dimensions Dimensions of the avatar, width x height (e.g. 44|44) * @param string $max_dimensions The maximum dimensions of the formatted avatar * @return array Information for the formatted avatar */ function format_avatar($avatar, $dimensions = '', $max_dimensions = '') { global $mybb, $theme; static $avatars; if(!isset($avatars)) { $avatars = array(); } if(my_strpos($avatar, '://') !== false && !$mybb->settings['allowremoteavatars']) { // Remote avatar, but remote avatars are disallowed. $avatar = null; } if(!$avatar) { // Default avatar if(defined('IN_ADMINCP')) { $theme['imgdir'] = '../images'; } $avatar = str_replace('{theme}', $theme['imgdir'], $mybb->settings['useravatar']); $dimensions = $mybb->settings['useravatardims']; } if(!$max_dimensions) { $max_dimensions = $mybb->settings['maxavatardims']; } // An empty key wouldn't work so we need to add a fall back $key = $dimensions; if(empty($key)) { $key = 'default'; } $key2 = $max_dimensions; if(empty($key2)) { $key2 = 'default'; } if(isset($avatars[$avatar][$key][$key2])) { return $avatars[$avatar][$key][$key2]; } $avatar_width_height = ''; if($dimensions) { $dimensions = preg_split('/[|x]/', $dimensions); if($dimensions[0] && $dimensions[1]) { list($max_width, $max_height) = preg_split('/[|x]/', $max_dimensions); if(!empty($max_dimensions) && ($dimensions[0] > $max_width || $dimensions[1] > $max_height)) { require_once MYBB_ROOT."inc/functions_image.php"; $scaled_dimensions = scale_image($dimensions[0], $dimensions[1], $max_width, $max_height); $avatar_width_height = "width=\"{$scaled_dimensions['width']}\" height=\"{$scaled_dimensions['height']}\""; } else { $avatar_width_height = "width=\"{$dimensions[0]}\" height=\"{$dimensions[1]}\""; } } } $avatars[$avatar][$key][$key2] = array( 'image' => htmlspecialchars_uni($mybb->get_asset_url($avatar)), 'width_height' => $avatar_width_height ); return $avatars[$avatar][$key][$key2]; } /** * Build the javascript based MyCode inserter. * * @param string $bind The ID of the textarea to bind to. Defaults to "message". * @param bool $smilies Whether to include smilies. Defaults to true. * * @return string The MyCode inserter */ function build_mycode_inserter($bind="message", $smilies = true) { global $db, $mybb, $theme, $templates, $lang, $plugins, $smiliecache, $cache; if($mybb->settings['bbcodeinserter'] != 0) { $editor_lang_strings = array( "editor_bold" => "Bold", "editor_italic" => "Italic", "editor_underline" => "Underline", "editor_strikethrough" => "Strikethrough", "editor_subscript" => "Subscript", "editor_superscript" => "Superscript", "editor_alignleft" => "Align left", "editor_center" => "Center", "editor_alignright" => "Align right", "editor_justify" => "Justify", "editor_fontname" => "Font Name", "editor_fontsize" => "Font Size", "editor_fontcolor" => "Font Color", "editor_removeformatting" => "Remove Formatting", "editor_cut" => "Cut", "editor_cutnosupport" => "Your browser does not allow the cut command. Please use the keyboard shortcut Ctrl/Cmd-X", "editor_copy" => "Copy", "editor_copynosupport" => "Your browser does not allow the copy command. Please use the keyboard shortcut Ctrl/Cmd-C", "editor_paste" => "Paste", "editor_pastenosupport" => "Your browser does not allow the paste command. Please use the keyboard shortcut Ctrl/Cmd-V", "editor_pasteentertext" => "Paste your text inside the following box:", "editor_pastetext" => "PasteText", "editor_numlist" => "Numbered list", "editor_bullist" => "Bullet list", "editor_undo" => "Undo", "editor_redo" => "Redo", "editor_rows" => "Rows:", "editor_cols" => "Cols:", "editor_inserttable" => "Insert a table", "editor_inserthr" => "Insert a horizontal rule", "editor_code" => "Code", "editor_width" => "Width (optional):", "editor_height" => "Height (optional):", "editor_insertimg" => "Insert an image", "editor_email" => "E-mail:", "editor_insertemail" => "Insert an email", "editor_url" => "URL:", "editor_insertlink" => "Insert a link", "editor_unlink" => "Unlink", "editor_more" => "More", "editor_insertemoticon" => "Insert an emoticon", "editor_videourl" => "Video URL:", "editor_videotype" => "Video Type:", "editor_insert" => "Insert", "editor_insertyoutubevideo" => "Insert a YouTube video", "editor_currentdate" => "Insert current date", "editor_currenttime" => "Insert current time", "editor_print" => "Print", "editor_viewsource" => "View source", "editor_description" => "Description (optional):", "editor_enterimgurl" => "Enter the image URL:", "editor_enteremail" => "Enter the e-mail address:", "editor_enterdisplayedtext" => "Enter the displayed text:", "editor_enterurl" => "Enter URL:", "editor_enteryoutubeurl" => "Enter the YouTube video URL or ID:", "editor_insertquote" => "Insert a Quote", "editor_invalidyoutube" => "Invalid YouTube video", "editor_dailymotion" => "Dailymotion", "editor_metacafe" => "MetaCafe", "editor_mixer" => "Mixer", "editor_vimeo" => "Vimeo", "editor_youtube" => "Youtube", "editor_facebook" => "Facebook", "editor_liveleak" => "LiveLeak", "editor_insertvideo" => "Insert a video", "editor_php" => "PHP", "editor_maximize" => "Maximize" ); $editor_language = "(function ($) {\n$.sceditor.locale[\"mybblang\"] = {\n"; $editor_lang_strings = $plugins->run_hooks("mycode_add_codebuttons", $editor_lang_strings); $editor_languages_count = count($editor_lang_strings); $i = 0; foreach($editor_lang_strings as $lang_string => $key) { $i++; $js_lang_string = str_replace("\"", "\\\"", $key); $string = str_replace("\"", "\\\"", $lang->$lang_string); $editor_language .= "\t\"{$js_lang_string}\": \"{$string}\""; if($i < $editor_languages_count) { $editor_language .= ","; } $editor_language .= "\n"; } $editor_language .= "}})(jQuery);"; if(defined("IN_ADMINCP")) { global $page; $codeinsert = $page->build_codebuttons_editor($bind, $editor_language, $smilies); } else { // Smilies $emoticon = ""; $emoticons_enabled = "false"; if($smilies) { if(!$smiliecache) { if(!isset($smilie_cache) || !is_array($smilie_cache)) { $smilie_cache = $cache->read("smilies"); } foreach($smilie_cache as $smilie) { $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']); $smiliecache[$smilie['sid']] = $smilie; } } if($mybb->settings['smilieinserter'] && $mybb->settings['smilieinsertercols'] && $mybb->settings['smilieinsertertot'] && !empty($smiliecache)) { $emoticon = ",emoticon"; } $emoticons_enabled = "true"; unset($smilie); if(is_array($smiliecache)) { reset($smiliecache); $dropdownsmilies = $moresmilies = $hiddensmilies = ""; $i = 0; foreach($smiliecache as $smilie) { $finds = explode("\n", $smilie['find']); $finds_count = count($finds); // Only show the first text to replace in the box $smilie['find'] = $finds[0]; $find = str_replace(array('\\', '"'), array('\\\\', '\"'), htmlspecialchars_uni($smilie['find'])); $image = htmlspecialchars_uni($mybb->get_asset_url($smilie['image'])); $image = str_replace(array('\\', '"'), array('\\\\', '\"'), $image); if(!$mybb->settings['smilieinserter'] || !$mybb->settings['smilieinsertercols'] || !$mybb->settings['smilieinsertertot'] || !$smilie['showclickable']) { $hiddensmilies .= '"'.$find.'": "'.$image.'",'; } elseif($i < $mybb->settings['smilieinsertertot']) { $dropdownsmilies .= '"'.$find.'": "'.$image.'",'; ++$i; } else { $moresmilies .= '"'.$find.'": "'.$image.'",'; } for($j = 1; $j < $finds_count; ++$j) { $find = str_replace(array('\\', '"'), array('\\\\', '\"'), htmlspecialchars_uni($finds[$j])); $hiddensmilies .= '"'.$find.'": "'.$image.'",'; } } } } $basic1 = $basic2 = $align = $font = $size = $color = $removeformat = $email = $link = $list = $code = $sourcemode = ""; if($mybb->settings['allowbasicmycode'] == 1) { $basic1 = "bold,italic,underline,strike|"; $basic2 = "horizontalrule,"; } if($mybb->settings['allowalignmycode'] == 1) { $align = "left,center,right,justify|"; } if($mybb->settings['allowfontmycode'] == 1) { $font = "font,"; } if($mybb->settings['allowsizemycode'] == 1) { $size = "size,"; } if($mybb->settings['allowcolormycode'] == 1) { $color = "color,"; } if($mybb->settings['allowfontmycode'] == 1 || $mybb->settings['allowsizemycode'] == 1 || $mybb->settings['allowcolormycode'] == 1) { $removeformat = "removeformat|"; } if($mybb->settings['allowemailmycode'] == 1) { $email = "email,"; } if($mybb->settings['allowlinkmycode'] == 1) { $link = "link,unlink"; } if($mybb->settings['allowlistmycode'] == 1) { $list = "bulletlist,orderedlist|"; } if($mybb->settings['allowcodemycode'] == 1) { $code = "code,php,"; } if($mybb->user['sourceeditor'] == 1) { $sourcemode = "MyBBEditor.sourceMode(true);"; } eval("\$codeinsert = \"".$templates->get("codebuttons")."\";"); } } return $codeinsert; } /** * @param int $tid * @param array $postoptions The options carried with form submit * * @return string Predefined / updated subscription method of the thread for the user */ function get_subscription_method($tid = 0, $postoptions = array()) { global $mybb; $subscription_methods = array('', 'none', 'email', 'pm'); // Define methods $subscription_method = (int)$mybb->user['subscriptionmethod']; // Set user default // If no user default method available then reset method if(!$subscription_method) { $subscription_method = 0; } // Return user default if no thread id available, in case if(!(int)$tid || (int)$tid <= 0) { return $subscription_methods[$subscription_method]; } // If method not predefined set using data from database if(isset($postoptions['subscriptionmethod'])) { $method = trim($postoptions['subscriptionmethod']); return (in_array($method, $subscription_methods)) ? $method : $subscription_methods[0]; } else { global $db; $query = $db->simple_select("threadsubscriptions", "tid, notification", "tid='".(int)$tid."' AND uid='".$mybb->user['uid']."'", array('limit' => 1)); $subscription = $db->fetch_array($query); if($subscription) { $subscription_method = (int)$subscription['notification'] + 1; } } return $subscription_methods[$subscription_method]; } /** * 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) { $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']); $smiliecache[$smilie['sid']] = $smilie; } } unset($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 = $smilie_icons = ''; $counter = 0; $i = 0; $extra_class = ''; foreach($smiliecache as $smilie) { if($i < $mybb->settings['smilieinsertertot'] && $smilie['showclickable'] != 0) { $smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']); $smilie['image'] = htmlspecialchars_uni($mybb->get_asset_url($smilie['image'])); $smilie['name'] = htmlspecialchars_uni($smilie['name']); // Only show the first text to replace in the box $temp = explode("\n", $smilie['find']); // assign to temporary variable for php 5.3 compatibility $smilie['find'] = $temp[0]; $find = str_replace(array('\\', "'"), array('\\\\', "\'"), htmlspecialchars_uni($smilie['find'])); $onclick = " onclick=\"MyBBEditor.insertText(' $find ');\""; $extra_class = ' smilie_pointer'; eval('$smilie = "'.$templates->get('smilie', 1, 0).'";'); eval("\$smilie_icons .= \"".$templates->get("smilieinsert_smilie")."\";"); ++$i; ++$counter; if($counter == $mybb->settings['smilieinsertercols']) { $counter = 0; eval("\$smilies .= \"".$templates->get("smilieinsert_row")."\";"); $smilie_icons = ''; } } } if($counter != 0) { $colspan = $mybb->settings['smilieinsertercols'] - $counter; eval("\$smilies .= \"".$templates->get("smilieinsert_row_empty")."\";"); } eval("\$clickablesmilies = \"".$templates->get("smilieinsert")."\";"); } else { $clickablesmilies = ""; } } else { $clickablesmilies = ""; } return $clickablesmilies; } /** * Builds thread prefixes and returns a selected prefix (or all) * * @param int $pid The prefix ID (0 to return all) * @return array The thread prefix's values (or all thread prefixes) */ function build_prefixes($pid=0) { global $cache; static $prefixes_cache; if(is_array($prefixes_cache)) { if($pid > 0 && is_array($prefixes_cache[$pid])) { return $prefixes_cache[$pid]; } return $prefixes_cache; } $prefix_cache = $cache->read("threadprefixes"); if(!is_array($prefix_cache)) { // No cache $prefix_cache = $cache->read("threadprefixes", true); if(!is_array($prefix_cache)) { return array(); } } $prefixes_cache = array(); foreach($prefix_cache as $prefix) { $prefixes_cache[$prefix['pid']] = $prefix; } if($pid != 0 && is_array($prefixes_cache[$pid])) { return $prefixes_cache[$pid]; } else if(!empty($prefixes_cache)) { return $prefixes_cache; } return false; } /** * Build the thread prefix selection menu for the current user * * @param int|string $fid The forum ID (integer ID or string all) * @param int|string $selected_pid The selected prefix ID (integer ID or string any) * @param int $multiple Allow multiple prefix selection * @param int $previous_pid The previously selected prefix ID * @return string The thread prefix selection menu */ function build_prefix_select($fid, $selected_pid=0, $multiple=0, $previous_pid=0) { global $cache, $db, $lang, $mybb, $templates; if($fid != 'all') { $fid = (int)$fid; } $prefix_cache = build_prefixes(0); if(empty($prefix_cache)) { // We've got no prefixes to show return ''; } // Go through each of our prefixes and decide which ones we can use $prefixes = array(); foreach($prefix_cache as $prefix) { if($fid != "all" && $prefix['forums'] != "-1") { // Decide whether this prefix can be used in our forum $forums = explode(",", $prefix['forums']); if(!in_array($fid, $forums) && $prefix['pid'] != $previous_pid) { // This prefix is not in our forum list continue; } } if(is_member($prefix['groups']) || $prefix['pid'] == $previous_pid) { // The current user can use this prefix $prefixes[$prefix['pid']] = $prefix; } } if(empty($prefixes)) { return ''; } $prefixselect = $prefixselect_prefix = ''; if($multiple == 1) { $any_selected = ""; if($selected_pid == 'any') { $any_selected = " selected=\"selected\""; } } $default_selected = ""; if(((int)$selected_pid == 0) && $selected_pid != 'any') { $default_selected = " selected=\"selected\""; } foreach($prefixes as $prefix) { $selected = ""; if($prefix['pid'] == $selected_pid) { $selected = " selected=\"selected\""; } $prefix['prefix'] = htmlspecialchars_uni($prefix['prefix']); eval("\$prefixselect_prefix .= \"".$templates->get("post_prefixselect_prefix")."\";"); } if($multiple != 0) { eval("\$prefixselect = \"".$templates->get("post_prefixselect_multiple")."\";"); } else { eval("\$prefixselect = \"".$templates->get("post_prefixselect_single")."\";"); } return $prefixselect; } /** * Build the thread prefix selection menu for a forum without group permission checks * * @param int $fid The forum ID (integer ID) * @param int $selected_pid The selected prefix ID (integer ID) * @return string The thread prefix selection menu */ function build_forum_prefix_select($fid, $selected_pid=0) { global $cache, $db, $lang, $mybb, $templates; $fid = (int)$fid; $prefix_cache = build_prefixes(0); if(empty($prefix_cache)) { // We've got no prefixes to show return ''; } // Go through each of our prefixes and decide which ones we can use $prefixes = array(); foreach($prefix_cache as $prefix) { if($prefix['forums'] != "-1") { // Decide whether this prefix can be used in our forum $forums = explode(",", $prefix['forums']); if(in_array($fid, $forums)) { // This forum can use this prefix! $prefixes[$prefix['pid']] = $prefix; } } else { // This prefix is for anybody to use... $prefixes[$prefix['pid']] = $prefix; } } if(empty($prefixes)) { return ''; } $default_selected = array('all' => '', 'none' => '', 'any' => ''); $selected_pid = (int)$selected_pid; if($selected_pid == 0) { $default_selected['all'] = ' selected="selected"'; } else if($selected_pid == -1) { $default_selected['none'] = ' selected="selected"'; } else if($selected_pid == -2) { $default_selected['any'] = ' selected="selected"'; } $prefixselect_prefix = ''; foreach($prefixes as $prefix) { $selected = ''; if($prefix['pid'] == $selected_pid) { $selected = ' selected="selected"'; } $prefix['prefix'] = htmlspecialchars_uni($prefix['prefix']); eval('$prefixselect_prefix .= "'.$templates->get("forumdisplay_threadlist_prefixes_prefix").'";'); } eval('$prefixselect = "'.$templates->get("forumdisplay_threadlist_prefixes").'";'); return $prefixselect; } /** * Gzip encodes text to a specified level * * @param string $contents The string to encode * @param int $level The level (1-9) to encode at * @return string The encoded string */ function gzip_encode($contents, $level=1) { if(function_exists("gzcompress") && function_exists("crc32") && !headers_sent() && !(ini_get('output_buffering') && my_strpos(' '.ini_get('output_handler'), 'ob_gzhandler'))) { $httpaccept_encoding = ''; if(isset($_SERVER['HTTP_ACCEPT_ENCODING'])) { $httpaccept_encoding = $_SERVER['HTTP_ACCEPT_ENCODING']; } if(my_strpos(" ".$httpaccept_encoding, "x-gzip")) { $encoding = "x-gzip"; } if(my_strpos(" ".$httpaccept_encoding, "gzip")) { $encoding = "gzip"; } if(isset($encoding)) { header("Content-Encoding: $encoding"); if(function_exists("gzencode")) { $contents = gzencode($contents, $level); } else { $size = strlen($contents); $crc = crc32($contents); $gzdata = "\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff"; $gzdata .= my_substr(gzcompress($contents, $level), 2, -4); $gzdata .= pack("V", $crc); $gzdata .= pack("V", $size); $contents = $gzdata; } } } return $contents; } /** * Log the actions of a moderator. * * @param array $data The data of the moderator's action. * @param string $action The message to enter for the action the moderator performed. */ function log_moderator_action($data, $action="") { global $mybb, $db, $session; $fid = 0; if(isset($data['fid'])) { $fid = (int)$data['fid']; unset($data['fid']); } $tid = 0; if(isset($data['tid'])) { $tid = (int)$data['tid']; unset($data['tid']); } $pid = 0; if(isset($data['pid'])) { $pid = (int)$data['pid']; unset($data['pid']); } $tids = array(); if(isset($data['tids'])) { $tids = (array)$data['tids']; unset($data['tids']); } // Any remaining extra data - we my_serialize and insert in to its own column if(is_array($data)) { $data = my_serialize($data); } $sql_array = array( "uid" => (int)$mybb->user['uid'], "dateline" => TIME_NOW, "fid" => (int)$fid, "tid" => $tid, "pid" => $pid, "action" => $db->escape_string($action), "data" => $db->escape_string($data), "ipaddress" => $db->escape_binary($session->packedip) ); if($tids) { $multiple_sql_array = array(); foreach($tids as $tid) { $sql_array['tid'] = (int)$tid; $multiple_sql_array[] = $sql_array; } $db->insert_query_multiple("moderatorlog", $multiple_sql_array); } else { $db->insert_query("moderatorlog", $sql_array); } } /** * Get the formatted reputation for a user. * * @param int $reputation The reputation value * @param int $uid The user ID (if not specified, the generated reputation will not be a link) * @return string The formatted repuation */ function get_reputation($reputation, $uid=0) { global $theme, $templates; $display_reputation = $reputation_class = ''; if($reputation < 0) { $reputation_class = "reputation_negative"; } elseif($reputation > 0) { $reputation_class = "reputation_positive"; } else { $reputation_class = "reputation_neutral"; } $reputation = my_number_format($reputation); if($uid != 0) { eval("\$display_reputation = \"".$templates->get("postbit_reputation_formatted_link")."\";"); } else { eval("\$display_reputation = \"".$templates->get("postbit_reputation_formatted")."\";"); } return $display_reputation; } /** * Fetch a color coded version of a warning level (based on it's percentage) * * @param int $level The warning level (percentage of 100) * @return string Formatted warning level */ function get_colored_warning_level($level) { global $templates; $warning_class = ''; if($level >= 80) { $warning_class = "high_warning"; } else if($level >= 50) { $warning_class = "moderate_warning"; } else if($level >= 25) { $warning_class = "low_warning"; } else { $warning_class = "normal_warning"; } eval("\$level = \"".$templates->get("postbit_warninglevel_formatted")."\";"); return $level; } /** * Fetch the IP address of the current user. * * @return string The IP address. */ function get_ip() { global $mybb, $plugins; $ip = strtolower($_SERVER['REMOTE_ADDR']); if($mybb->settings['ip_forwarded_check']) { $addresses = array(); if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $addresses = explode(',', strtolower($_SERVER['HTTP_X_FORWARDED_FOR'])); } elseif(isset($_SERVER['HTTP_X_REAL_IP'])) { $addresses = explode(',', strtolower($_SERVER['HTTP_X_REAL_IP'])); } if(is_array($addresses)) { foreach($addresses as $val) { $val = trim($val); // Validate IP address and exclude private addresses 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)) { $ip = $val; break; } } } } if(!$ip) { if(isset($_SERVER['HTTP_CLIENT_IP'])) { $ip = strtolower($_SERVER['HTTP_CLIENT_IP']); } } if($plugins) { $ip_array = array("ip" => &$ip); // Used for backwards compatibility on this hook with the updated run_hooks() function. $plugins->run_hooks("get_ip", $ip_array); } return $ip; } /** * Fetch the friendly size (GB, MB, KB, B) for a specified file size. * * @param int $size The size in bytes * @return string The friendly file size */ function get_friendly_size($size) { global $lang; if(!is_numeric($size)) { return $lang->na; } // Yottabyte (1024 Zettabytes) if($size >= 1208925819614629174706176) { $size = my_number_format(round(($size / 1208925819614629174706176), 2))." ".$lang->size_yb; } // Zetabyte (1024 Exabytes) elseif($size >= 1180591620717411303424) { $size = my_number_format(round(($size / 1180591620717411303424), 2))." ".$lang->size_zb; } // Exabyte (1024 Petabytes) elseif($size >= 1152921504606846976) { $size = my_number_format(round(($size / 1152921504606846976), 2))." ".$lang->size_eb; } // Petabyte (1024 Terabytes) elseif($size >= 1125899906842624) { $size = my_number_format(round(($size / 1125899906842624), 2))." ".$lang->size_pb; } // Terabyte (1024 Gigabytes) elseif($size >= 1099511627776) { $size = my_number_format(round(($size / 1099511627776), 2))." ".$lang->size_tb; } // Gigabyte (1024 Megabytes) elseif($size >= 1073741824) { $size = my_number_format(round(($size / 1073741824), 2))." ".$lang->size_gb; } // Megabyte (1024 Kilobytes) elseif($size >= 1048576) { $size = my_number_format(round(($size / 1048576), 2))." ".$lang->size_mb; } // Kilobyte (1024 bytes) elseif($size >= 1024) { $size = my_number_format(round(($size / 1024), 2))." ".$lang->size_kb; } elseif($size == 0) { $size = "0 ".$lang->size_bytes; } else { $size = my_number_format($size)." ".$lang->size_bytes; } return $size; } /** * Format a decimal number in to microseconds, milliseconds, or seconds. * * @param int $time The time in microseconds * @return string The friendly time duration */ function format_time_duration($time) { global $lang; if(!is_numeric($time)) { return $lang->na; } if(round(1000000 * $time, 2) < 1000) { $time = number_format(round(1000000 * $time, 2))." μs"; } elseif(round(1000000 * $time, 2) >= 1000 && round(1000000 * $time, 2) < 1000000) { $time = number_format(round((1000 * $time), 2))." ms"; } else { $time = round($time, 3)." seconds"; } return $time; } /** * Get the attachment icon for a specific file extension * * @param string $ext The file extension * @return string The attachment icon */ function get_attachment_icon($ext) { global $cache, $attachtypes, $theme, $templates, $lang, $mybb; if(!$attachtypes) { $attachtypes = $cache->read("attachtypes"); } $ext = my_strtolower($ext); if($attachtypes[$ext]['icon']) { static $attach_icons_schemes = array(); if(!isset($attach_icons_schemes[$ext])) { $attach_icons_schemes[$ext] = parse_url($attachtypes[$ext]['icon']); if(!empty($attach_icons_schemes[$ext]['scheme'])) { $attach_icons_schemes[$ext] = $attachtypes[$ext]['icon']; } elseif(defined("IN_ADMINCP")) { $attach_icons_schemes[$ext] = str_replace("{theme}", "", $attachtypes[$ext]['icon']); if(my_substr($attach_icons_schemes[$ext], 0, 1) != "/") { $attach_icons_schemes[$ext] = "../".$attach_icons_schemes[$ext]; } } elseif(defined("IN_PORTAL")) { global $change_dir; $attach_icons_schemes[$ext] = $change_dir."/".str_replace("{theme}", $theme['imgdir'], $attachtypes[$ext]['icon']); $attach_icons_schemes[$ext] = $mybb->get_asset_url($attach_icons_schemes[$ext]); } else { $attach_icons_schemes[$ext] = str_replace("{theme}", $theme['imgdir'], $attachtypes[$ext]['icon']); $attach_icons_schemes[$ext] = $mybb->get_asset_url($attach_icons_schemes[$ext]); } } $icon = $attach_icons_schemes[$ext]; $name = htmlspecialchars_uni($attachtypes[$ext]['name']); } else { if(defined("IN_ADMINCP")) { $theme['imgdir'] = "../images"; } else if(defined("IN_PORTAL")) { global $change_dir; $theme['imgdir'] = "{$change_dir}/images"; } $icon = "{$theme['imgdir']}/attachtypes/unknown.png"; $name = $lang->unknown; } $icon = htmlspecialchars_uni($icon); eval("\$attachment_icon = \"".$templates->get("attachment_icon")."\";"); return $attachment_icon; } /** * Get a list of the unviewable forums for the current user * * @param boolean $only_readable_threads Set to true to only fetch those forums for which users can actually read a thread in. * @return string Comma separated values list of the forum IDs which the user cannot view */ function get_unviewable_forums($only_readable_threads=false) { global $forum_cache, $permissioncache, $mybb; if(!is_array($forum_cache)) { cache_forums(); } if(!is_array($permissioncache)) { $permissioncache = forum_permissions(); } $unviewable = array(); foreach($forum_cache as $fid => $forum) { if($permissioncache[$forum['fid']]) { $perms = $permissioncache[$forum['fid']]; } else { $perms = $mybb->usergroup; } $pwverified = 1; if(!forum_password_validated($forum, true)) { $pwverified = 0; } else { // Check parents for passwords $parents = explode(",", $forum['parentlist']); foreach($parents as $parent) { if(!forum_password_validated($forum_cache[$parent], true)) { $pwverified = 0; break; } } } if($perms['canview'] == 0 || $pwverified == 0 || ($only_readable_threads == true && $perms['canviewthreads'] == 0)) { $unviewable[] = $forum['fid']; } } $unviewableforums = implode(',', $unviewable); return $unviewableforums; } /** * Fixes mktime for dates earlier than 1970 * * @param string $format The date format to use * @param int $year The year of the date * @return string The correct date format */ function fix_mktime($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 string 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'])) { if(!$mybb->settings['threadsperpage'] || (int)$mybb->settings['threadsperpage'] < 1) { $mybb->settings['threadsperpage'] = 20; } $multipage = multipage($navbit['multipage']['num_threads'], $mybb->settings['threadsperpage'], $navbit['multipage']['current_page'], $navbit['multipage']['url'], true); if($multipage) { ++$i; eval("\$multipage_dropdown = \"".$templates->get("nav_dropdown")."\";"); $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 $name The name of the item to add * @param string $url The URL of the item to add */ function add_breadcrumb($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 $fid The forum ID to build the navigation for * @param array $multipage The multipage drop down array of information * @return int Returns 1 in every case. Kept for compatibility */ function build_forum_breadcrumb($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'] = $navbits[0]['url']; if(!empty($navbits[0]['options'])) { $newnav[0]['options'] = $navbits[0]['options']; } unset($GLOBALS['navbits']); $GLOBALS['navbits'] = $newnav; } /** * Builds a URL to an archive mode page * * @param string $type The type of page (thread|announcement|forum) * @param int $id The ID of the item * @return string The URL */ function build_archive_link($type="", $id=0) { 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, $cache; $totaltime = format_time_duration($maintimer->totaltime); $phptime = $maintimer->totaltime - $db->query_time; $query_time = $db->query_time; $globaltime = format_time_duration($globaltime); $percentphp = number_format((($phptime/$maintimer->totaltime)*100), 2); $percentsql = number_format((($query_time/$maintimer->totaltime)*100), 2); $phptime = format_time_duration($maintimer->totaltime - $db->query_time); $query_time = format_time_duration($db->query_time); $call_time = format_time_duration($cache->call_time); $phpversion = PHP_VERSION; $serverload = get_server_load(); if($mybb->settings['gzipoutput'] != 0) { $gzipen = "Enabled"; } else { $gzipen = "Disabled"; } echo "\n"; echo ""; echo ""; echo ""; echo ""; echo "MyBB Debug Information"; echo ""; echo ""; echo "

MyBB Debug Information

\n"; echo "

Page Generation

\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; $memory_usage = get_memory_usage(); if(!$memory_usage) { $memory_usage = $lang->unknown; } else { $memory_usage = get_friendly_size($memory_usage)." ({$memory_usage} bytes)"; } $memory_limit = @ini_get("memory_limit"); echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "

Page Generation Statistics
Page Generation Time:	$totaltime	No. DB Queries:	$db->query_count
PHP Processing Time:	$phptime ($percentphp%)	DB Processing Time:	$query_time ($percentsql%)
Extensions Used:	{$mybb->config['database']['type']}, xml	Global.php Processing Time:	$globaltime
PHP Version:	$phpversion	Server Load:	$serverload
GZip Encoding Status:	$gzipen	No. Templates Used:	".count($templates->cache)." (".(int)count(explode(",", $templatelist))." Cached / ".(int)count($templates->uncached_templates)." Manually Loaded)
Memory Usage:	{$memory_usage}	Memory Limit:	{$memory_limit}

\n"; echo "

Database Connections (".count($db->connections)." Total)

\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "

".implode("
", $db->connections)."

\n"; echo "
\n"; echo "

Database Queries (".$db->query_count." Total)

\n"; echo $db->explain; if($cache->call_count > 0) { echo "

Cache Calls (".$cache->call_count." Total, ".$call_time.")

\n"; echo $cache->cache_debug; } echo "

Template Statistics

\n"; if(count($templates->cache) > 0) { echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "

Templates Used (Loaded for this Page) - ".count($templates->cache)." Total

".implode(", ", array_keys($templates->cache))."

\n"; echo "
\n"; } if(count($templates->uncached_templates) > 0) { echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "\n"; echo "

Templates Requiring Additional Calls (Not Cached at Startup) - ".count($templates->uncached_templates)." Total

".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("Cache-Control: no-cache, private"); } } /** * Mark specific reported posts of a certain type as dealt with * * @param array|int $id An array or int of the ID numbers you're marking as dealt with * @param string $type The type of item the above IDs are for - post, posts, thread, threads, forum, all */ function mark_reports($id, $type="post") { global $db, $cache, $plugins; switch($type) { case "posts": if(is_array($id)) { $rids = implode("','", $id); $rids = "'0','$rids'"; $db->update_query("reportedcontent", array('reportstatus' => 1), "id IN($rids) AND reportstatus='0' AND (type = 'post' OR type = '')"); } break; case "post": $db->update_query("reportedcontent", array('reportstatus' => 1), "id='$id' AND reportstatus='0' AND (type = 'post' OR type = '')"); break; case "threads": if(is_array($id)) { $rids = implode("','", $id); $rids = "'0','$rids'"; $db->update_query("reportedcontent", array('reportstatus' => 1), "id2 IN($rids) AND reportstatus='0' AND (type = 'post' OR type = '')"); } break; case "thread": $db->update_query("reportedcontent", array('reportstatus' => 1), "id2='$id' AND reportstatus='0' AND (type = 'post' OR type = '')"); break; case "forum": $db->update_query("reportedcontent", array('reportstatus' => 1), "id3='$id' AND reportstatus='0' AND (type = 'post' OR type = '')"); break; case "all": $db->update_query("reportedcontent", array('reportstatus' => 1), "reportstatus='0' AND (type = 'post' OR type = '')"); break; } $arguments = array('id' => $id, 'type' => $type); $plugins->run_hooks("mark_reports", $arguments); $cache->update_reportedcontent(); } /** * Fetch a friendly x days, y months etc date stamp from a timestamp * * @param int $stamp The timestamp * @param array $options Array of options * @return string The friendly formatted timestamp */ function nice_time($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 = $stamp; // Prevent gross over accuracy ($options parameter will override these) if($years > 0) { $options = array_merge(array( 'days' => false, 'hours' => false, 'minutes' => false, 'seconds' => false ), $options); } elseif($months > 0) { $options = array_merge(array( 'hours' => false, 'minutes' => false, 'seconds' => false ), $options); } elseif($weeks > 0) { $options = array_merge(array( 'minutes' => false, 'seconds' => false ), $options); } elseif($days > 0) { $options = array_merge(array( 'seconds' => false ), $options); } $nicetime = array(); if(!isset($options['years']) || $options['years'] !== false) { if($years == 1) { $nicetime['years'] = "1".$lang_year; } else if($years > 1) { $nicetime['years'] = $years.$lang_years; } } if(!isset($options['months']) || $options['months'] !== false) { if($months == 1) { $nicetime['months'] = "1".$lang_month; } else if($months > 1) { $nicetime['months'] = $months.$lang_months; } } if(!isset($options['weeks']) || $options['weeks'] !== false) { if($weeks == 1) { $nicetime['weeks'] = "1".$lang_week; } else if($weeks > 1) { $nicetime['weeks'] = $weeks.$lang_weeks; } } if(!isset($options['days']) || $options['days'] !== false) { if($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(!empty($nicetime)) { return implode(", ", $nicetime); } } /** * Select an alternating row colour based on the previous call to this function * * @param int $reset 1 to reset the row to trow1. * @return string trow1 or trow2 depending on the previous call */ function alt_trow($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 $uid The user ID * @param int $joingroup The user group ID to join * @return bool */ function join_usergroup($uid, $joingroup) { global $db, $mybb; if($uid == $mybb->user['uid']) { $user = $mybb->user; } else { $query = $db->simple_select("users", "additionalgroups, usergroup", "uid='".(int)$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 $groups = array_map( 'intval', explode(',', $user['additionalgroups']) ); if(!in_array((int)$joingroup, $groups)) { $groups[] = (int)$joingroup; $groups = array_diff($groups, array($user['usergroup'])); $groups = array_unique($groups); $groupslist = implode(',', $groups); $db->update_query("users", array('additionalgroups' => $groupslist), "uid='".(int)$uid."'"); return true; } else { return false; } } /** * Remove a user from a specific additional user group * * @param int $uid The user ID * @param int $leavegroup The user group ID */ function leave_usergroup($uid, $leavegroup) { global $db, $mybb, $cache; $user = get_user($uid); if($user['usergroup'] == $leavegroup) { return false; } $groups = array_map( 'intval', explode(',', $user['additionalgroups']) ); $groups = array_diff($groups, array($leavegroup)); $groups = array_unique($groups); $groupslist = implode(',', $groups); $dispupdate = ""; if($leavegroup == $user['displaygroup']) { $dispupdate = ", displaygroup=usergroup"; } $db->write_query(" UPDATE ".TABLE_PREFIX."users SET additionalgroups='$groupslist' $dispupdate WHERE uid='".(int)$uid."' "); $cache->update_moderators(); } /** * Get the current location taking in to account different web serves and systems * * @param boolean $fields True to return as "hidden" fields * @param array $ignore Array of fields to ignore for returning "hidden" fields or URL being accessed * @param boolean $quick True to skip all inputs and return only the file path part of the URL * @return string|array The current URL being accessed or form data if $fields is true */ function get_current_location($fields=false, $ignore=array(), $quick=false) { global $mybb; if(defined("MYBB_LOCATION")) { return MYBB_LOCATION; } if(!empty($_SERVER['SCRIPT_NAME'])) { $location = htmlspecialchars_uni($_SERVER['SCRIPT_NAME']); } elseif(!empty($_SERVER['PHP_SELF'])) { $location = htmlspecialchars_uni($_SERVER['PHP_SELF']); } elseif(!empty($_ENV['PHP_SELF'])) { $location = htmlspecialchars_uni($_ENV['PHP_SELF']); } elseif(!empty($_SERVER['PATH_INFO'])) { $location = htmlspecialchars_uni($_SERVER['PATH_INFO']); } else { $location = htmlspecialchars_uni($_ENV['PATH_INFO']); } if($quick) { return $location; } if(!is_array($ignore)) { $ignore = array($ignore); } if($fields == true) { $form_html = ''; if(!empty($mybb->input)) { foreach($mybb->input as $name => $value) { if(in_array($name, $ignore) || is_array($name) || is_array($value)) { continue; } $form_html .= "\n"; } } return array('location' => $location, 'form_html' => $form_html, 'form_method' => $mybb->request_method); } else { $parameters = array(); if(isset($_SERVER['QUERY_STRING'])) { $current_query_string = $_SERVER['QUERY_STRING']; } else if(isset($_ENV['QUERY_STRING'])) { $current_query_string = $_ENV['QUERY_STRING']; } else { $current_query_string = ''; } parse_str($current_query_string, $current_parameters); foreach($current_parameters as $name => $value) { if(!in_array($name, $ignore)) { $parameters[$name] = $value; } } if($mybb->request_method === 'post') { $post_array = array('action', 'fid', 'pid', 'tid', 'uid', 'eid'); foreach($post_array as $var) { if(isset($_POST[$var]) && !in_array($var, $ignore)) { $parameters[$var] = $_POST[$var]; } } } if(!empty($parameters)) { $location .= '?'.http_build_query($parameters, '', '&'); } return $location; } } /** * Build a theme selection menu * * @param string $name The name of the menu * @param int $selected The ID of the selected theme * @param int $tid The ID of the parent theme to select from * @param string $depth The current selection depth * @param boolean $usergroup_override Whether or not to override usergroup permissions (true to override) * @param boolean $footer Whether or not theme select is in the footer (true if it is) * @param boolean $count_override Whether or not to override output based on theme count (true to override) * @return string The theme selection list */ function build_theme_select($name, $selected=-1, $tid=0, $depth="", $usergroup_override=false, $footer=false, $count_override=false) { global $db, $themeselect, $tcache, $lang, $mybb, $limit, $templates, $num_themes, $themeselect_option; if($tid == 0) { $tid = 1; $num_themes = 0; $themeselect_option = ''; } if(!is_array($tcache)) { $query = $db->simple_select('themes', 'tid, name, pid, allowedgroups', "pid!='0'"); while($theme = $db->fetch_array($query)) { $tcache[$theme['pid']][$theme['tid']] = $theme; } } if(is_array($tcache[$tid])) { foreach($tcache[$tid] as $theme) { $sel = ""; // Show theme if allowed, or if override is on if(is_member($theme['allowedgroups']) || $theme['allowedgroups'] == "all" || $usergroup_override == true) { if($theme['tid'] == $selected) { $sel = " selected=\"selected\""; } if($theme['pid'] != 0) { $theme['name'] = htmlspecialchars_uni($theme['name']); eval("\$themeselect_option .= \"".$templates->get("usercp_themeselector_option")."\";"); ++$num_themes; $depthit = $depth."--"; } if(array_key_exists($theme['tid'], $tcache)) { build_theme_select($name, $selected, $theme['tid'], $depthit, $usergroup_override, $footer, $count_override); } } } } if($tid == 1 && ($num_themes > 1 || $count_override == true)) { if($footer == true) { eval("\$themeselect = \"".$templates->get("footer_themeselector")."\";"); } else { eval("\$themeselect = \"".$templates->get("usercp_themeselector")."\";"); } return $themeselect; } else { return false; } } /** * Get the theme data of a theme id. * * @param int $tid The theme id of the theme. * @return boolean|array False if no valid theme, Array with the theme data otherwise */ function get_theme($tid) { global $tcache, $db; if(!is_array($tcache)) { $query = $db->simple_select('themes', 'tid, name, pid, allowedgroups', "pid!='0'"); while($theme = $db->fetch_array($query)) { $tcache[$theme['pid']][$theme['tid']] = $theme; } } $s_theme = false; foreach($tcache as $themes) { foreach($themes as $theme) { if($tid == $theme['tid']) { $s_theme = $theme; break 2; } } } return $s_theme; } /** * Custom function for htmlspecialchars which takes in to account unicode * * @param string $message The string to format * @return string The string with htmlspecialchars applied */ function htmlspecialchars_uni($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 $number The number to format. * @return int The formatted number. */ function my_number_format($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']); } } /** * Converts a string of text to or from UTF-8. * * @param string $str The string of text to convert * @param boolean $to Whether or not the string is being converted to or from UTF-8 (true if converting to) * @return string The converted string */ function convert_through_utf8($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; } } /** * DEPRECATED! Please use other alternatives. * * @deprecated * @param string $message * * @return string */ function my_wordwrap($message) { return $message; } /** * Workaround for date limitation in PHP to establish the day of a birthday (Provided by meme) * * @param int $month The month of the birthday * @param int $day The day of the birthday * @param int $year The year of the bithday * @return int The numeric day of the week for the birthday */ function get_weekday($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 $in The year. * @return array The number of days in each month of that year */ function get_bdays($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 ); } /** * DEPRECATED! Please use mktime()! * Formats a birthday appropriately * * @deprecated * @param string $display The PHP date format string * @param int $bm The month of the birthday * @param int $bd The day of the birthday * @param int $by The year of the birthday * @param int $wd The weekday of the birthday * @return string The formatted birthday */ function format_bdays($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', 'n', 'd', 'D', 'y', 'Y', 'j', 'S', 'F', 'l', 'M', ); $html = array( 'm', 'n', '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), $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 $birthday The birthday of a user. * @return int The age of a user with that birthday. */ function get_age($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 $tid The thread id for which to update the first post id. */ function update_first_post($tid) { global $db; $query = $db->query(" SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid) WHERE p.tid='$tid' ORDER BY p.dateline ASC, p.pid ASC LIMIT 1 "); $firstpost = $db->fetch_array($query); if(empty($firstpost['username'])) { $firstpost['username'] = $firstpost['postusername']; } $firstpost['username'] = $db->escape_string($firstpost['username']); $update_array = array( 'firstpost' => (int)$firstpost['pid'], 'username' => $firstpost['username'], 'uid' => (int)$firstpost['uid'], 'dateline' => (int)$firstpost['dateline'] ); $db->update_query("threads", $update_array, "tid='{$tid}'"); } /** * Updates the last posts in a thread. * * @param int $tid The thread id for which to update the last post id. */ function update_last_post($tid) { global $db; $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, p.pid DESC LIMIT 1" ); $lastpost = $db->fetch_array($query); if(!$lastpost) { return false; } if(empty($lastpost['username'])) { $lastpost['username'] = $lastpost['postusername']; } if(empty($lastpost['dateline'])) { $query = $db->query(" SELECT u.uid, u.username, p.pid, p.username AS postusername, p.dateline FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid) WHERE p.tid='$tid' ORDER BY p.dateline ASC, p.pid ASC LIMIT 1 "); $firstpost = $db->fetch_array($query); $lastpost['username'] = $firstpost['username']; $lastpost['uid'] = $firstpost['uid']; $lastpost['dateline'] = $firstpost['dateline']; } $lastpost['username'] = $db->escape_string($lastpost['username']); $update_array = array( 'lastpost' => (int)$lastpost['dateline'], 'lastposter' => $lastpost['username'], 'lastposteruid' => (int)$lastpost['uid'] ); $db->update_query("threads", $update_array, "tid='{$tid}'"); } /** * Checks for the length of a string, mb strings accounted for * * @param string $string The string to check the length of. * @return int The length of the string. */ function my_strlen($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 $string The string to cut. * @param int $start Where to cut * @param int $length (optional) How much to cut * @param bool $handle_entities (optional) Properly handle HTML entities? * @return string The cut part of the string. */ function my_substr($string, $start, $length=null, $handle_entities = false) { if($handle_entities) { $string = unhtmlentities($string); } if(function_exists("mb_substr")) { if($length != null) { $cut_string = mb_substr($string, $start, $length); } else { $cut_string = mb_substr($string, $start); } } else { if($length != null) { $cut_string = substr($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 $string The string to lower. * @return string The lowered string. */ function my_strtolower($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, case insensitive * * @param string $haystack String to look in (haystack) * @param string $needle What to look for (needle) * @param int $offset (optional) How much to offset * @return int|bool false on needle not found, integer position if found */ function my_stripos($haystack, $needle, $offset=0) { if($needle == '') { return false; } if(function_exists("mb_stripos")) { $position = mb_stripos($haystack, $needle, $offset); } else { $position = stripos($haystack, $needle, $offset); } return $position; } /** * Finds a needle in a haystack and returns it position, mb strings accounted for * * @param string $haystack String to look in (haystack) * @param string $needle What to look for (needle) * @param int $offset (optional) How much to offset * @return int|bool false on needle not found, integer position if found */ function my_strpos($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 $string The string to up. * @return string The uped string. */ function my_strtoupper($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 $string The string to un-htmlentitize. * @return string The un-htmlentitied' string. */ function unhtmlentities($string) { // Replace numeric entities $string = preg_replace_callback('~&#x([0-9a-f]+);~i', 'unichr_callback1', $string); $string = preg_replace_callback('~&#([0-9]+);~', 'unichr_callback2', $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 int $c The ascii to characterize. * @return string|bool The characterized ascii. False on failure */ function unichr($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; } } /** * Returns any ascii to it's character (utf-8 safe). * * @param array $matches Matches. * @return string|bool The characterized ascii. False on failure */ function unichr_callback1($matches) { return unichr(hexdec($matches[1])); } /** * Returns any ascii to it's character (utf-8 safe). * * @param array $matches Matches. * @return string|bool The characterized ascii. False on failure */ function unichr_callback2($matches) { return unichr($matches[1]); } /** * Get the event poster. * * @param array $event The event data array. * @return string The link to the event poster. */ function get_event_poster($event) { $event['username'] = htmlspecialchars_uni($event['username']); $event['username'] = format_name($event['username'], $event['usergroup'], $event['displaygroup']); $event_poster = build_profile_link($event['username'], $event['author']); return $event_poster; } /** * Get the event date. * * @param array $event The event data array. * @return string The event date. */ function get_event_date($event) { global $mybb; $event_date = explode("-", $event['date']); $event_date = gmmktime(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 $uid The user id of the profile. * @return string The url to the profile. */ function get_profile_link($uid=0) { $link = str_replace("{uid}", $uid, PROFILE_URL); return htmlspecialchars_uni($link); } /** * Get the announcement link. * * @param int $aid The announement id of the announcement. * @return string The url to the announcement. */ function get_announcement_link($aid=0) { $link = str_replace("{aid}", $aid, ANNOUNCEMENT_URL); return htmlspecialchars_uni($link); } /** * Build the profile link. * * @param string $username The Username of the profile. * @param int $uid The user id of the profile. * @param string $target The target frame * @param string $onclick Any onclick javascript. * @return string The complete profile link. */ function build_profile_link($username="", $uid=0, $target="", $onclick="") { global $mybb, $lang; if(!$username && $uid == 0) { // Return Guest phrase for no UID, no guest nickname return htmlspecialchars_uni($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 $fid The forum id of the forum. * @param int $page (Optional) The page number of the forum. * @return string The url to the forum. */ function get_forum_link($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 $tid The thread id of the thread. * @param int $page (Optional) The page number of the thread. * @param string $action (Optional) The action we're performing (ex, lastpost, newpost, etc) * @return string The url to the thread. */ function get_thread_link($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 $pid The post ID of the post * @param int $tid The thread id of the post. * @return string The url to the post. */ function get_post_link($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 $eid The event ID of the event * @return string The URL of the event */ function get_event_link($eid) { $link = str_replace("{eid}", $eid, EVENT_URL); return htmlspecialchars_uni($link); } /** * Build the link to a specified date on the calendar * * @param int $calendar The ID of the calendar * @param int $year The year * @param int $month The month * @param int $day The day (optional) * @return string The URL of the calendar */ function get_calendar_link($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); } /* Not implemented else if($year > 0) { }*/ else { $link = str_replace("{calendar}", $calendar, CALENDAR_URL); return htmlspecialchars_uni($link); } } /** * Build the link to a specified week on the calendar * * @param int $calendar The ID of the calendar * @param int $week The week * @return string The URL of the calendar */ function get_calendar_week_link($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 an user id. * * @param int $uid The user id of the user. * @return array The users data */ function get_user($uid) { global $mybb, $db; static $user_cache; $uid = (int)$uid; if(!empty($mybb->user) && $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 user data of an user username. * * @param string $username The user username of the user. * @param array $options * @return array The users data */ function get_user_by_username($username, $options=array()) { global $mybb, $db; $username = $db->escape_string(my_strtolower($username)); if(!isset($options['username_method'])) { $options['username_method'] = 0; } switch($db->type) { case 'mysql': case 'mysqli': $field = 'username'; $efield = 'email'; break; default: $field = 'LOWER(username)'; $efield = 'LOWER(email)'; break; } switch($options['username_method']) { case 1: $sqlwhere = "{$efield}='{$username}'"; break; case 2: $sqlwhere = "{$field}='{$username}' OR {$efield}='{$username}'"; break; default: $sqlwhere = "{$field}='{$username}'"; break; } $fields = array('uid'); if(isset($options['fields'])) { $fields = array_merge((array)$options['fields'], $fields); } $query = $db->simple_select('users', implode(',', array_unique($fields)), $sqlwhere, array('limit' => 1)); if(isset($options['exists'])) { return (bool)$db->num_rows($query); } return $db->fetch_array($query); } /** * Get the forum of a specific forum id. * * @param int $fid The forum id of the forum. * @param int $active_override (Optional) If set to 1, will override the active forum status * @return array|bool The database row of a forum. False on failure */ function get_forum($fid, $active_override=0) { global $cache; static $forum_cache; if(!isset($forum_cache) || !is_array($forum_cache)) { $forum_cache = $cache->read("forums"); } if(empty($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 $tid The thread id of the thread. * @param boolean $recache Whether or not to recache the thread. * @return array|bool The database row of the thread. False on failure */ function get_thread($tid, $recache = false) { global $db; static $thread_cache; $tid = (int)$tid; if(isset($thread_cache[$tid]) && !$recache) { return $thread_cache[$tid]; } else { $query = $db->simple_select("threads", "*", "tid = '{$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 $pid The post id of the post. * @return array|bool The database row of the post. False on failure */ function get_post($pid) { global $db; static $post_cache; $pid = (int)$pid; if(isset($post_cache[$pid])) { return $post_cache[$pid]; } else { $query = $db->simple_select("posts", "*", "pid = '{$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, $cache; if(!$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 * * @param bool $fatal (Optional) Stop execution if it finds an error with the login. Default is True * @return bool|int Number of logins when success, false if failed. */ function login_attempt_check($uid = 0, $fatal = true) { global $mybb, $lang, $db; $attempts = array(); $uid = (int)$uid; $now = TIME_NOW; // Get this user's login attempts and eventual lockout, if a uid is provided if($uid > 0) { $query = $db->simple_select("users", "loginattempts, loginlockoutexpiry", "uid='{$uid}'", 1); $attempts = $db->fetch_array($query); if($attempts['loginattempts'] <= 0) { return 0; } } // This user has a cookie lockout, show waiting time elseif(!empty($mybb->cookies['lockoutexpiry']) && $mybb->cookies['lockoutexpiry'] > $now) { if($fatal) { $secsleft = (int)($mybb->cookies['lockoutexpiry'] - $now); $hoursleft = floor($secsleft / 3600); $minsleft = floor(($secsleft / 60) % 60); $secsleft = floor($secsleft % 60); error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft)); } return false; } if($mybb->settings['failedlogincount'] > 0 && isset($attempts['loginattempts']) && $attempts['loginattempts'] >= $mybb->settings['failedlogincount']) { // Set the expiry dateline if not set yet if($attempts['loginlockoutexpiry'] == 0) { $attempts['loginlockoutexpiry'] = $now + ((int)$mybb->settings['failedlogintime'] * 60); // Add a cookie lockout. This is used to prevent access to the login page immediately. // A deep lockout is issued if he tries to login into a locked out account my_setcookie('lockoutexpiry', $attempts['loginlockoutexpiry']); $db->update_query("users", array( "loginlockoutexpiry" => $attempts['loginlockoutexpiry'] ), "uid='{$uid}'"); } if(empty($mybb->cookies['lockoutexpiry'])) { $failedtime = $attempts['loginlockoutexpiry']; } else { $failedtime = $mybb->cookies['lockoutexpiry']; } // Are we still locked out? if($attempts['loginlockoutexpiry'] > $now) { if($fatal) { $secsleft = (int)($attempts['loginlockoutexpiry'] - $now); $hoursleft = floor($secsleft / 3600); $minsleft = floor(($secsleft / 60) % 60); $secsleft = floor($secsleft % 60); error($lang->sprintf($lang->failed_login_wait, $hoursleft, $minsleft, $secsleft)); } return false; } // Unlock if enough time has passed else { if($uid > 0) { $db->update_query("users", array( "loginattempts" => 0, "loginlockoutexpiry" => 0 ), "uid='{$uid}'"); } // Wipe the cookie, no matter if a guest or a member my_unsetcookie('lockoutexpiry'); return 0; } } if(!isset($attempts['loginattempts'])) { $attempts['loginattempts'] = 0; } // User can attempt another login return $attempts['loginattempts']; } /** * Validates the format of an email address. * * @param string $email The string to check. * @return boolean True when valid, false when invalid. */ function validate_email_format($email) { return filter_var($email, FILTER_VALIDATE_EMAIL) !== false; } /** * Checks to see if the email is already in use by another * * @param string $email The email to check. * @param int $uid User ID of the user (updating only) * @return boolean True when in use, false when not. */ function email_already_in_use($email, $uid=0) { global $db; $uid_string = ""; if($uid) { $uid_string = " AND uid != '".(int)$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; } /** * Rebuilds settings.php * */ function rebuild_settings() { global $db, $mybb; $query = $db->simple_select("settings", "value, name", "", array( 'order_by' => 'title', 'order_dir' => 'ASC', )); $settings = ''; while($setting = $db->fetch_array($query)) { $mybb->settings[$setting['name']] = $setting['value']; $setting['name'] = addcslashes($setting['name'], "\\'"); $setting['value'] = addcslashes($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_put_contents(MYBB_ROOT.'inc/settings.php', $settings, LOCK_EX); $GLOBALS['settings'] = &$mybb->settings; } /** * Build a PREG compatible array of search highlight terms to replace in posts. * * @param string $terms Incoming terms to highlight * @return array PREG compatible array of terms */ function build_highlight_array($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); $words = array(); // Check if this is a "series of words" - should be treated as an EXACT match if(my_strpos($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); } } } // 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, 'build_highlight_array_sort'); $highlight_cache = array(); // Loop through our words to build the PREG compatible strings foreach($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 = "/(?]*?>)/ui"; $replacement = "$1$2"; $highlight_cache[$find] = $replacement; } return $highlight_cache; } /** * Sort the word array by length. Largest terms go first and work their way down to the smallest term. * * @param string $a First word. * @param string $b Second word. * @return integer Result of comparison function. */ function build_highlight_array_sort($a, $b) { return strlen($b) - strlen($a); } /** * 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 int $src Decimal value of a character reference * @return string|bool */ function dec_to_utf8($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 $username The username * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned */ function is_banned_username($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 $email The email address. * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned */ function is_banned_email($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 $ip_address The IP address. * @param boolean $update_lastuse True if the 'last used' dateline should be updated if a match is found. * @return boolean True if banned, false if not banned. */ function is_banned_ip($ip_address, $update_lastuse=false) { global $db, $cache; $banned_ips = $cache->read("bannedips"); if(!is_array($banned_ips)) { return false; } $ip_address = my_inet_pton($ip_address); foreach($banned_ips as $banned_ip) { if(!$banned_ip['filter']) { continue; } $banned = false; $ip_range = fetch_ip_range($banned_ip['filter']); if(is_array($ip_range)) { if(strcmp($ip_range[0], $ip_address) <= 0 && strcmp($ip_range[1], $ip_address) >= 0) { $banned = true; } } elseif($ip_address == $ip_range) { $banned = true; } if($banned) { // 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; } /** * Returns an array of supported timezones * * @return string[] Key is timezone offset, Value the language description */ function get_supported_timezones() { global $lang; $timezones = array( "-12" => $lang->timezone_gmt_minus_1200, "-11" => $lang->timezone_gmt_minus_1100, "-10" => $lang->timezone_gmt_minus_1000, "-9.5" => $lang->timezone_gmt_minus_950, "-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, "5.75" => $lang->timezone_gmt_575, "6" => $lang->timezone_gmt_600, "6.5" => $lang->timezone_gmt_650, "7" => $lang->timezone_gmt_700, "8" => $lang->timezone_gmt_800, "8.5" => $lang->timezone_gmt_850, "8.75" => $lang->timezone_gmt_875, "9" => $lang->timezone_gmt_900, "9.5" => $lang->timezone_gmt_950, "10" => $lang->timezone_gmt_1000, "10.5" => $lang->timezone_gmt_1050, "11" => $lang->timezone_gmt_1100, "11.5" => $lang->timezone_gmt_1150, "12" => $lang->timezone_gmt_1200, "12.75" => $lang->timezone_gmt_1275, "13" => $lang->timezone_gmt_1300, "14" => $lang->timezone_gmt_1400 ); return $timezones; } /** * Build a time zone selection list. * * @param string $name The name of the select * @param int $selected The selected time zone (defaults to GMT) * @param boolean $short True to generate a "short" list with just timezone and current time * @return string */ function build_timezone_select($name, $selected=0, $short=false) { global $mybb, $lang, $templates; $timezones = get_supported_timezones(); $selected = str_replace("+", "", $selected); $timezone_option = ''; foreach($timezones as $timezone => $label) { $selected_add = ""; if($selected == $timezone) { $selected_add = " selected=\"selected\""; } if($short == true) { $label = ''; if($timezone != 0) { $label = $timezone; if($timezone > 0) { $label = "+{$label}"; } if(strpos($timezone, ".") !== false) { $label = str_replace(".", ":", $label); $label = str_replace(":5", ":30", $label); $label = str_replace(":75", ":45", $label); } else { $label .= ":00"; } } $time_in_zone = my_date($mybb->settings['timeformat'], TIME_NOW, $timezone); $label = $lang->sprintf($lang->timezone_gmt_short, $label." ", $time_in_zone); } eval("\$timezone_option .= \"".$templates->get("usercp_options_timezone_option")."\";"); } eval("\$select = \"".$templates->get("usercp_options_timezone")."\";"); return $select; } /** * Fetch the contents of a remote file. * * @param string $url The URL of the remote file * @param array $post_data The array of post data * @param int $max_redirects Number of maximum redirects * @return string|bool The remote file contents. False on failure */ function fetch_remote_file($url, $post_data=array(), $max_redirects=20) { global $mybb, $config; if(!my_validate_url($url, true)) { return false; } $url_components = @parse_url($url); if(!isset($url_components['scheme'])) { $url_components['scheme'] = 'https'; } if(!isset($url_components['port'])) { $url_components['port'] = $url_components['scheme'] == 'https' ? 443 : 80; } if( !$url_components || empty($url_components['host']) || (!empty($url_components['scheme']) && !in_array($url_components['scheme'], array('http', 'https'))) || (!in_array($url_components['port'], array(80, 8080, 443))) || (!empty($config['disallowed_remote_hosts']) && in_array($url_components['host'], $config['disallowed_remote_hosts'])) ) { return false; } $addresses = get_ip_by_hostname($url_components['host']); $destination_address = $addresses[0]; if(!empty($config['disallowed_remote_addresses'])) { foreach($config['disallowed_remote_addresses'] as $disallowed_address) { $ip_range = fetch_ip_range($disallowed_address); $packed_address = my_inet_pton($destination_address); if(is_array($ip_range)) { if(strcmp($ip_range[0], $packed_address) <= 0 && strcmp($ip_range[1], $packed_address) >= 0) { return false; } } elseif($destination_address == $disallowed_address) { return false; } } } $post_body = ''; if(!empty($post_data)) { foreach($post_data as $key => $val) { $post_body .= '&'.urlencode($key).'='.urlencode($val); } $post_body = ltrim($post_body, '&'); } if(function_exists("curl_init")) { $fetch_header = $max_redirects > 0; $ch = curl_init(); $curlopt = array( CURLOPT_URL => $url, CURLOPT_HEADER => $fetch_header, CURLOPT_TIMEOUT => 10, CURLOPT_RETURNTRANSFER => 1, CURLOPT_FOLLOWLOCATION => 0, ); if($ca_bundle_path = get_ca_bundle_path()) { $curlopt[CURLOPT_SSL_VERIFYPEER] = 1; $curlopt[CURLOPT_CAINFO] = $ca_bundle_path; } else { $curlopt[CURLOPT_SSL_VERIFYPEER] = 0; } $curl_version_info = curl_version(); $curl_version = $curl_version_info['version']; if(version_compare(PHP_VERSION, '7.0.7', '>=') && version_compare($curl_version, '7.49', '>=')) { // CURLOPT_CONNECT_TO $curlopt[10243] = array( $url_components['host'].':'.$url_components['port'].':'.$destination_address ); } elseif(version_compare(PHP_VERSION, '5.5', '>=') && version_compare($curl_version, '7.21.3', '>=')) { // CURLOPT_RESOLVE $curlopt[10203] = array( $url_components['host'].':'.$url_components['port'].':'.$destination_address ); } if(!empty($post_body)) { $curlopt[CURLOPT_POST] = 1; $curlopt[CURLOPT_POSTFIELDS] = $post_body; } curl_setopt_array($ch, $curlopt); $response = curl_exec($ch); if($fetch_header) { $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE); $header = substr($response, 0, $header_size); $body = substr($response, $header_size); if(in_array(curl_getinfo($ch, CURLINFO_HTTP_CODE), array(301, 302))) { preg_match('/^Location:(.*?)(?:\n|$)/im', $header, $matches); if($matches) { $data = fetch_remote_file(trim(array_pop($matches)), $post_data, --$max_redirects); } } else { $data = $body; } } else { $data = $response; } curl_close($ch); return $data; } else if(function_exists("fsockopen")) { if(!isset($url_components['path'])) { $url_components['path'] = "/"; } if(isset($url_components['query'])) { $url_components['path'] .= "?{$url_components['query']}"; } $scheme = ''; if($url_components['scheme'] == 'https') { $scheme = 'ssl://'; if($url_components['port'] == 80) { $url_components['port'] = 443; } } if(function_exists('stream_context_create')) { if($url_components['scheme'] == 'https' && $ca_bundle_path = get_ca_bundle_path()) { $context = stream_context_create(array( 'ssl' => array( 'verify_peer' => true, 'verify_peer_name' => true, 'peer_name' => $url_components['host'], 'cafile' => $ca_bundle_path, ), )); } else { $context = stream_context_create(array( 'ssl' => array( 'verify_peer' => false, 'verify_peer_name' => false, 'peer_name' => $url_components['host'], ), )); } $fp = @stream_socket_client($scheme.$destination_address.':'.(int)$url_components['port'], $error_no, $error, 10, STREAM_CLIENT_CONNECT, $context); } else { $fp = @fsockopen($scheme.$url_components['host'], (int)$url_components['port'], $error_no, $error, 10); } if(!$fp) { return false; } @stream_set_timeout($fp, 10); $headers = array(); if(!empty($post_body)) { $headers[] = "POST {$url_components['path']} HTTP/1.0"; $headers[] = "Content-Length: ".strlen($post_body); $headers[] = "Content-Type: application/x-www-form-urlencoded"; } else { $headers[] = "GET {$url_components['path']} HTTP/1.0"; } $headers[] = "Host: {$url_components['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; } $data = null; while(!feof($fp)) { $data .= fgets($fp, 12800); } fclose($fp); $data = explode("\r\n\r\n", $data, 2); $header = $data[0]; $status_line = current(explode("\n\n", $header, 1)); $body = $data[1]; if($max_redirects > 0 && (strstr($status_line, ' 301 ') || strstr($status_line, ' 302 '))) { preg_match('/^Location:(.*?)(?:\n|$)/im', $header, $matches); if($matches) { $data = fetch_remote_file(trim(array_pop($matches)), $post_data, --$max_redirects); } } else { $data = $body; } return $data; } else { return false; } } /** * Resolves a hostname into a set of IP addresses. * * @param string $hostname The hostname to be resolved * @return array|bool The resulting IP addresses. False on failure */ function get_ip_by_hostname($hostname) { $addresses = @gethostbynamel($hostname); if(!$addresses) { $result_set = @dns_get_record($hostname, DNS_A | DNS_AAAA); if($result_set) { $addresses = array_column($result_set, 'ip'); } else { return false; } } return $addresses; } /** * Returns the location of the CA bundle defined in the PHP configuration. * * @return string|bool The location of the CA bundle, false if not set */ function get_ca_bundle_path() { if($path = ini_get('openssl.cafile')) { return $path; } if($path = ini_get('curl.cainfo')) { return $path; } return false; } /** * Checks if a particular user is a super administrator. * * @param int $uid The user ID to check against the list of super admins * @return boolean True if a super admin, false if not */ function is_super_admin($uid) { static $super_admins; if(!isset($super_admins)) { global $mybb; $super_admins = str_replace(" ", "", $mybb->config['super_admins']); } if(my_strpos(",{$super_admins},", ",{$uid},") === false) { return false; } else { return true; } } /** * Checks if a user is a member of a particular group * Originates from frostschutz's PluginLibrary * github.com/frostschutz * * @param array|int|string A selection of groups (as array or comma seperated) to check or -1 for any group * @param bool|array|int False assumes the current user. Otherwise an user array or an id can be passed * @return array Array of groups specified in the first param to which the user belongs */ function is_member($groups, $user = false) { global $mybb; if(empty($groups)) { return array(); } if($user == false) { $user = $mybb->user; } else if(!is_array($user)) { // Assume it's a UID $user = get_user($user); } $memberships = array_map('intval', explode(',', $user['additionalgroups'])); $memberships[] = $user['usergroup']; if(!is_array($groups)) { if((int)$groups == -1) { return $memberships; } else { if(is_string($groups)) { $groups = explode(',', $groups); } else { $groups = (array)$groups; } } } $groups = array_filter(array_map('intval', $groups)); return array_intersect($groups, $memberships); } /** * 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 $delimeter The delimeter to split by * @param string $string The string to split * @param string $escape The escape character or string if we have one. * @return array Array of split string */ function escaped_explode($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 $date The ban length string * @param int $stamp The optional UNIX timestamp, if 0, current time is used. * @return int The UNIX timestamp when the ban will be lifted */ function ban_date2timestamp($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", $stamp), date("i", $stamp), 0, $n[2], $n[1], $n[3]); } /** * Expire old warnings in the database. * * @return bool */ function expire_warnings() { global $warningshandler; if(!is_object($warningshandler)) { require_once MYBB_ROOT.'inc/datahandlers/warnings.php'; $warningshandler = new WarningsHandler('update'); } return $warningshandler->expire_warnings(); } /** * Custom chmod function to fix problems with hosts who's server configurations screw up umasks * * @param string $file The file to chmod * @param string $mode The mode to chmod(i.e. 0666) * @return bool */ function my_chmod($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 $path The path to the directory * @param array $ignore Any files you wish to ignore (optional) * @return bool */ function my_rmdir_recursive($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 $array The array of forums * @return integer The number of sub forums */ function subforums_count($array=array()) { $count = 0; foreach($array as $array2) { $count += count($array2); } return $count; } /** * DEPRECATED! Please use IPv6 compatible my_inet_pton! * Fix for PHP's ip2long to guarantee a 32-bit signed integer value is produced (this is aimed * at 64-bit versions of PHP) * * @deprecated * @param string $ip The IP to convert * @return integer IP in 32-bit signed format */ function my_ip2long($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; } /** * DEPRECATED! Please use IPv6 compatible my_inet_ntop! * As above, fix for PHP's long2ip on 64-bit versions * * @deprecated * @param integer $long The IP to convert (will accept 64-bit IPs as well) * @return string IP in IPv4 format */ function my_long2ip($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); } /** * Converts a human readable IP address to its packed in_addr representation * * @param string $ip The IP to convert * @return string IP in 32bit or 128bit binary format */ function my_inet_pton($ip) { if(function_exists('inet_pton')) { return @inet_pton($ip); } else { /** * Replace inet_pton() * * @category PHP * @package PHP_Compat * @license LGPL - http://www.gnu.org/licenses/lgpl.html * @copyright 2004-2007 Aidan Lister , Arpad Ray * @link http://php.net/inet_pton * @author Arpad Ray * @version $Revision: 269597 $ */ $r = ip2long($ip); if($r !== false && $r != -1) { return pack('N', $r); } $delim_count = substr_count($ip, ':'); if($delim_count < 1 || $delim_count > 7) { return false; } $r = explode(':', $ip); $rcount = count($r); if(($doub = array_search('', $r, 1)) !== false) { $length = (!$doub || $doub == $rcount - 1 ? 2 : 1); array_splice($r, $doub, $length, array_fill(0, 8 + $length - $rcount, 0)); } $r = array_map('hexdec', $r); array_unshift($r, 'n*'); $r = call_user_func_array('pack', $r); return $r; } } /** * Converts a packed internet address to a human readable representation * * @param string $ip IP in 32bit or 128bit binary format * @return string IP in human readable format */ function my_inet_ntop($ip) { if(function_exists('inet_ntop')) { return @inet_ntop($ip); } else { /** * Replace inet_ntop() * * @category PHP * @package PHP_Compat * @license LGPL - http://www.gnu.org/licenses/lgpl.html * @copyright 2004-2007 Aidan Lister , Arpad Ray * @link http://php.net/inet_ntop * @author Arpad Ray * @version $Revision: 269597 $ */ switch(strlen($ip)) { case 4: list(,$r) = unpack('N', $ip); return long2ip($r); case 16: $r = substr(chunk_split(bin2hex($ip), 4, ':'), 0, -1); $r = preg_replace( array('/(?::?\b0+\b:?){2,}/', '/\b0+([^0])/e'), array('::', '(int)"$1"?"$1":"0$1"'), $r); return $r; } return false; } } /** * Fetch an binary formatted range for searching IPv4 and IPv6 IP addresses. * * @param string $ipaddress The IP address to convert to a range * @return string|array|bool If a full IP address is provided, the in_addr representation, otherwise an array of the upper & lower extremities of the IP. False on failure */ function fetch_ip_range($ipaddress) { // Wildcard if(strpos($ipaddress, '*') !== false) { if(strpos($ipaddress, ':') !== false) { // IPv6 $upper = str_replace('*', 'ffff', $ipaddress); $lower = str_replace('*', '0', $ipaddress); } else { // IPv4 $ip_bits = count(explode('.', $ipaddress)); if($ip_bits < 4) { // Support for 127.0.* $replacement = str_repeat('.*', 4-$ip_bits); $ipaddress = substr_replace($ipaddress, $replacement, strrpos($ipaddress, '*')+1, 0); } $upper = str_replace('*', '255', $ipaddress); $lower = str_replace('*', '0', $ipaddress); } $upper = my_inet_pton($upper); $lower = my_inet_pton($lower); if($upper === false || $lower === false) { return false; } return array($lower, $upper); } // CIDR notation elseif(strpos($ipaddress, '/') !== false) { $ipaddress = explode('/', $ipaddress); $ip_address = $ipaddress[0]; $ip_range = (int)$ipaddress[1]; if(empty($ip_address) || empty($ip_range)) { // Invalid input return false; } else { $ip_address = my_inet_pton($ip_address); if(!$ip_address) { // Invalid IP address return false; } } /** * Taken from: https://github.com/NewEraCracker/php_work/blob/master/ipRangeCalculate.php * Author: NewEraCracker * License: Public Domain */ // Pack IP, Set some vars $ip_pack = $ip_address; $ip_pack_size = strlen($ip_pack); $ip_bits_size = $ip_pack_size*8; // IP bits (lots of 0's and 1's) $ip_bits = ''; for($i = 0; $i < $ip_pack_size; $i = $i+1) { $bit = decbin(ord($ip_pack[$i])); $bit = str_pad($bit, 8, '0', STR_PAD_LEFT); $ip_bits .= $bit; } // Significative bits (from the ip range) $ip_bits = substr($ip_bits, 0, $ip_range); // Some calculations $ip_lower_bits = str_pad($ip_bits, $ip_bits_size, '0', STR_PAD_RIGHT); $ip_higher_bits = str_pad($ip_bits, $ip_bits_size, '1', STR_PAD_RIGHT); // Lower IP $ip_lower_pack = ''; for($i=0; $i < $ip_bits_size; $i=$i+8) { $chr = substr($ip_lower_bits, $i, 8); $chr = chr(bindec($chr)); $ip_lower_pack .= $chr; } // Higher IP $ip_higher_pack = ''; for($i=0; $i < $ip_bits_size; $i=$i+8) { $chr = substr($ip_higher_bits, $i, 8); $chr = chr( bindec($chr) ); $ip_higher_pack .= $chr; } return array($ip_lower_pack, $ip_higher_pack); } // Just on IP address else { return my_inet_pton($ipaddress); } } /** * Time how long it takes for a particular piece of code to run. Place calls above & below the block of code. * * @return float The time taken */ function get_execution_time() { static $time_start; $time = microtime(true); // Just starting timer, init and return if(!$time_start) { $time_start = $time; return; } // Timer has run, return execution time else { $total = $time-$time_start; if($total < 0) $total = 0; $time_start = 0; return $total; } } /** * Processes a checksum list on MyBB files and returns a result set * * @param string $path The base path * @param int $count The count of files * @return array The bad files */ function verify_files($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", "htaccess-nginx.txt", "logo.gif", "logo.png"); $ignore_ext = array("attach"); if(substr($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"); $hashingContext = hash_init('sha512'); while(!feof($handle)) { hash_update($hashingContext, fread($handle, 8192)); } fclose($handle); $checksum = hash_final($hashingContext); // Does it match any of our hashes (unix/windows new lines taken into consideration with the hashes) if(!in_array($checksum, $checksums[$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 $int The integer * @return string The signed equivalent */ function signed($int) { if($int < 0) { return "$int"; } else { return "+$int"; } } /** * Returns a securely generated seed * * @return string A secure binary seed */ function secure_binary_seed_rng($bytes) { $output = null; if(version_compare(PHP_VERSION, '7.0', '>=')) { try { $output = random_bytes($bytes); } catch (Exception $e) { } } if(strlen($output) < $bytes) { if(@is_readable('/dev/urandom') && ($handle = @fopen('/dev/urandom', 'rb'))) { $output = @fread($handle, $bytes); @fclose($handle); } } else { return $output; } if(strlen($output) < $bytes) { if(function_exists('mcrypt_create_iv')) { if (DIRECTORY_SEPARATOR == '/') { $source = MCRYPT_DEV_URANDOM; } else { $source = MCRYPT_RAND; } $output = @mcrypt_create_iv($bytes, $source); } } else { return $output; } if(strlen($output) < $bytes) { if(function_exists('openssl_random_pseudo_bytes')) { // PHP <5.3.4 had a bug which makes that function unusable on Windows if ((DIRECTORY_SEPARATOR == '/') || version_compare(PHP_VERSION, '5.3.4', '>=')) { $output = openssl_random_pseudo_bytes($bytes, $crypto_strong); if ($crypto_strong == false) { $output = null; } } } } else { return $output; } if(strlen($output) < $bytes) { if(class_exists('COM')) { try { $CAPI_Util = new COM('CAPICOM.Utilities.1'); if(is_callable(array($CAPI_Util, 'GetRandom'))) { $output = $CAPI_Util->GetRandom($bytes, 0); } } catch (Exception $e) { } } } else { return $output; } if(strlen($output) < $bytes) { // Close to what PHP basically uses internally to seed, but not quite. $unique_state = microtime().@getmypid(); $rounds = ceil($bytes / 16); for($i = 0; $i < $rounds; $i++) { $unique_state = md5(microtime().$unique_state); $output .= md5($unique_state); } $output = substr($output, 0, ($bytes * 2)); $output = pack('H*', $output); return $output; } else { return $output; } } /** * Returns a securely generated seed integer * * @return int An integer equivalent of a secure hexadecimal seed */ function secure_seed_rng() { $bytes = PHP_INT_SIZE; do { $output = secure_binary_seed_rng($bytes); // convert binary data to a decimal number if ($bytes == 4) { $elements = unpack('i', $output); $output = abs($elements[1]); } else { $elements = unpack('N2', $output); $output = abs($elements[1] << 32 | $elements[2]); } } while($output > PHP_INT_MAX); return $output; } /** * Generates a cryptographically secure random number. * * @param int $min Optional lowest value to be returned (default: 0) * @param int $max Optional highest value to be returned (default: PHP_INT_MAX) */ function my_rand($min=0, $max=PHP_INT_MAX) { // backward compatibility if($min === null || $max === null || $max < $min) { $min = 0; $max = PHP_INT_MAX; } if(version_compare(PHP_VERSION, '7.0', '>=')) { try { $result = random_int($min, $max); } catch (Exception $e) { } if(isset($result)) { return $result; } } $seed = secure_seed_rng(); $distance = $max - $min; return $min + floor($distance * ($seed / PHP_INT_MAX) ); } /** * More robust version of PHP's trim() function. It includes a list of UTF-8 blank characters * from http://kb.mozillazine.org/Network.IDN.blacklist_chars * * @param string $string The string to trim from * @param string $charlist Optional. The stripped characters can also be specified using the charlist parameter * @return string The trimmed string */ function trim_blank_chrs($string, $charlist="") { $hex_chrs = array( 0x09 => 1, // \x{0009} 0x0A => 1, // \x{000A} 0x0B => 1, // \x{000B} 0x0D => 1, // \x{000D} 0x20 => 1, // \x{0020} 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} 0xCC => array(0xB7 => 1, 0xB8 => 1), // \x{0337}, \x{0338} 0xE1 => array(0x85 => array(0x9F => 1, 0xA0 => 1), 0x9A => array(0x80 => 1), 0xA0 => array(0x8E => 1)), // \x{115F}, \x{1160}, \x{1680}, \x{180E} 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} 0xA8 => 1, 0xA9 => 1, 0xAA => 1, 0xAB => 1, 0xAC => 1, 0xAD => 1, 0xAE => 1, 0xAF => 1), // \x{2028} - \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} - \x{FFFB} ); $hex_chrs_rev = array( 0x09 => 1, // \x{0009} 0x0A => 1, // \x{000A} 0x0B => 1, // \x{000B} 0x0D => 1, // \x{000D} 0x20 => 1, // \x{0020} 0x81 => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{0081}, \x{2001} 0x8D => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{008D}, \x{200D} 0x90 => array(0xC2 => 1), // \x{0090} 0x9D => array(0xC2 => 1), // \x{009D} 0xA0 => array(0xC2 => 1, 0x85 => array(0xE1 => 1), 0x81 => array(0xE2 => 1), 0xBE => array(0xEF => 1)), // \x{00A0}, \x{1160}, \x{2060}, \x{FFA0} 0xAD => array(0xC2 => 1, 0x80 => array(0xE2 => 1)), // \x{00AD}, \x{202D} 0xB8 => array(0xCC => 1), // \x{0338} 0xB7 => array(0xCC => 1), // \x{0337} 0x9F => array(0x85 => array(0xE1 => 1), 0x81 => array(0xE2 => 1)), // \x{115F}, \x{205F} 0x80 => array(0x9A => array(0xE1 => 1), 0x80 => array(0xE2 => 1, 0xE3 => 1)), // \x{1680}, \x{2000}, \x{3000} 0x8E => array(0xA0 => array(0xE1 => 1), 0x80 => array(0xE2 => 1)), // \x{180E}, \x{200E} 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} 0x8C => array(0x80 => array(0xE2 => 1)), // \x{200C} 0x8F => array(0x80 => array(0xE2 => 1)), // \x{200F} 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} 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} 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 $i = 0; do { // Check to see if we have matched a first character in our utf-8 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); $i = 0; do { // Check to see if we have matched a first character in our utf-8 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) { $string = trim($string, $charlist); } else { $string = trim($string); } return $string; } /** * Match a sequence * * @param string $string The string to match from * @param array $array The array to match from * @param int $i Number in the string * @param int $n Number of matches * @return int The number matched */ function match_sequence($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|null Version of GD */ function gd_version() { static $gd_version; if($gd_version) { return $gd_version; } if(!extension_loaded('gd')) { return null; } 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; } /* * Validates an UTF-8 string. * * @param string $input The string to be checked * @param boolean $allow_mb4 Allow 4 byte UTF-8 characters? * @param boolean $return Return the cleaned string? * @return string|boolean Cleaned string or boolean */ function validate_utf8_string($input, $allow_mb4=true, $return=true) { // Valid UTF-8 sequence? if(!preg_match('##u', $input)) { $string = ''; $len = strlen($input); for($i = 0; $i < $len; $i++) { $c = ord($input[$i]); if($c > 128) { if($c > 247 || $c <= 191) { if($return) { $string .= '?'; continue; } else { return false; } } elseif($c > 239) { $bytes = 4; } elseif($c > 223) { $bytes = 3; } elseif($c > 191) { $bytes = 2; } if(($i + $bytes) > $len) { if($return) { $string .= '?'; break; } else { return false; } } $valid = true; $multibytes = $input[$i]; while($bytes > 1) { $i++; $b = ord($input[$i]); if($b < 128 || $b > 191) { if($return) { $valid = false; $string .= '?'; break; } else { return false; } } else { $multibytes .= $input[$i]; } $bytes--; } if($valid) { $string .= $multibytes; } } else { $string .= $input[$i]; } } $input = $string; } if($return) { if($allow_mb4) { return $input; } else { return preg_replace("#[^\\x00-\\x7F][\\x80-\\xBF]{3,}#", '?', $input); } } else { if($allow_mb4) { return true; } else { return !preg_match("#[^\\x00-\\x7F][\\x80-\\xBF]{3,}#", $input); } } } /** * Send a Private Message to a user. * * @param array $pm Array containing: 'subject', 'message', 'touid' and 'receivepms' (the latter should reflect the value found in the users table: receivepms and receivefrombuddy) * @param int $fromid Sender UID (0 if you want to use $mybb->user['uid'] or -1 to use MyBB Engine) * @param bool $admin_override Whether or not do override user defined options for receiving PMs * @return bool True if PM sent */ function send_pm($pm, $fromid = 0, $admin_override=false) { global $lang, $mybb, $db, $session; if($mybb->settings['enablepms'] == 0) { return false; } if(!is_array($pm)) { return false; } if(isset($pm['language'])) { if($pm['language'] != $mybb->user['language'] && $lang->language_exists($pm['language'])) { // Load user language $lang->set_language($pm['language']); $lang->load($pm['language_file']); $revert = true; } foreach(array('subject', 'message') as $key) { if(is_array($pm[$key])) { $lang_string = $lang->{$pm[$key][0]}; $num_args = count($pm[$key]); for($i = 1; $i < $num_args; $i++) { $lang_string = str_replace('{'.$i.'}', $pm[$key][$i], $lang_string); } } else { $lang_string = $lang->{$pm[$key]}; } $pm[$key] = $lang_string; } if(isset($revert)) { // Revert language $lang->set_language($mybb->user['language']); $lang->load($pm['language_file']); } } if(empty($pm['subject']) || empty($pm['message']) || empty($pm['touid']) || (empty($pm['receivepms']) && !$admin_override)) { return false; } require_once MYBB_ROOT."inc/datahandlers/pm.php"; $pmhandler = new PMDataHandler(); $subject = $pm['subject']; $message = $pm['message']; $toid = $pm['touid']; // Our recipients if(is_array($toid)) { $recipients_to = $toid; } else { $recipients_to = array($toid); } $recipients_bcc = array(); // Workaround for eliminating PHP warnings in PHP 8. Ref: https://github.com/mybb/mybb/issues/4630#issuecomment-1369144163 if(isset($pm['sender']['uid']) && $pm['sender']['uid'] === -1 && $fromid === -1) { $sender = array( "uid" => 0, "username" => '' ); } // Determine user ID if((int)$fromid == 0) { $fromid = (int)$mybb->user['uid']; } elseif((int)$fromid < 0) { $fromid = 0; } // Build our final PM array $pm = array( "subject" => $subject, "message" => $message, "icon" => -1, "fromid" => $fromid, "toid" => $recipients_to, "bccid" => $recipients_bcc, "do" => '', "pmid" => '' ); // (continued) Workaround for eliminating PHP warnings in PHP 8. Ref: https://github.com/mybb/mybb/issues/4630#issuecomment-1369144163 if(isset($sender)) { $pm['sender'] = $sender; } if(isset($session)) { $pm['ipaddress'] = $session->packedip; } $pm['options'] = array( "disablesmilies" => 0, "savecopy" => 0, "readreceipt" => 0 ); $pm['saveasdraft'] = 0; // Admin override $pmhandler->admin_override = (int)$admin_override; $pmhandler->set_data($pm); if($pmhandler->validate_pm()) { $pmhandler->insert_pm(); return true; } return false; } /** * Log a user spam block from StopForumSpam (or other spam service providers...) * * @param string $username The username that the user was using. * @param string $email The email address the user was using. * @param string $ip_address The IP addres of the user. * @param array $data An array of extra data to go with the block (eg: confidence rating). * @return bool Whether the action was logged successfully. */ function log_spam_block($username = '', $email = '', $ip_address = '', $data = array()) { global $db, $session; if(!is_array($data)) { $data = array($data); } if(!$ip_address) { $ip_address = get_ip(); } $ip_address = my_inet_pton($ip_address); $insert_array = array( 'username' => $db->escape_string($username), 'email' => $db->escape_string($email), 'ipaddress' => $db->escape_binary($ip_address), 'dateline' => (int)TIME_NOW, 'data' => $db->escape_string(@my_serialize($data)), ); return (bool)$db->insert_query('spamlog', $insert_array); } /** * Copy a file to the CDN. * * @param string $file_path The path to the file to upload to the CDN. * * @param string $uploaded_path The path the file was uploaded to, reference parameter for when this may be needed. * * @return bool Whether the file was copied successfully. */ function copy_file_to_cdn($file_path = '', &$uploaded_path = null) { global $mybb, $plugins; $success = false; $file_path = (string)$file_path; $real_file_path = realpath($file_path); $file_dir_path = dirname($real_file_path); $file_dir_path = str_replace(MYBB_ROOT, '', $file_dir_path); $file_dir_path = ltrim($file_dir_path, './\\'); $file_name = basename($real_file_path); if(file_exists($file_path)) { if(is_object($plugins)) { $hook_args = array( 'file_path' => &$file_path, 'real_file_path' => &$real_file_path, 'file_name' => &$file_name, 'file_dir_path' => &$file_dir_path ); $plugins->run_hooks('copy_file_to_cdn_start', $hook_args); } if(!empty($mybb->settings['usecdn']) && !empty($mybb->settings['cdnpath'])) { $cdn_path = rtrim($mybb->settings['cdnpath'], '/\\'); if(substr($file_dir_path, 0, my_strlen(MYBB_ROOT)) == MYBB_ROOT) { $file_dir_path = str_replace(MYBB_ROOT, '', $file_dir_path); } $cdn_upload_path = $cdn_path . DIRECTORY_SEPARATOR . $file_dir_path; if(!($dir_exists = is_dir($cdn_upload_path))) { $dir_exists = @mkdir($cdn_upload_path, 0777, true); } if($dir_exists) { if(($cdn_upload_path = realpath($cdn_upload_path)) !== false) { $success = @copy($file_path, $cdn_upload_path.DIRECTORY_SEPARATOR.$file_name); if($success) { $uploaded_path = $cdn_upload_path; } } } } if(is_object($plugins)) { $hook_args = array( 'file_path' => &$file_path, 'real_file_path' => &$real_file_path, 'file_name' => &$file_name, 'uploaded_path' => &$uploaded_path, 'success' => &$success, ); $plugins->run_hooks('copy_file_to_cdn_end', $hook_args); } } return $success; } /** * Validate an url * * @param string $url The url to validate. * @param bool $relative_path Whether or not the url could be a relative path. * @param bool $allow_local Whether or not the url could be pointing to local networks. * * @return bool Whether this is a valid url. */ function my_validate_url($url, $relative_path=false, $allow_local=false) { if($allow_local) { $regex = '_^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@)?(?:(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:localhost|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,}))\.?))(?::\d{2,5})?(?:[/?#]\S*)?$_iuS'; } else { $regex = '_^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?$_iuS'; } if($relative_path && my_substr($url, 0, 1) == '/' || preg_match($regex, $url)) { return true; } return false; } /** * Strip html tags from string, also removes @siu', ); $string = preg_replace($pattern, '', $string); return strip_tags($string, $allowable_tags); } /** * Escapes a RFC 4180-compliant CSV string. * Based on https://github.com/Automattic/camptix/blob/f80725094440bf09861383b8f11e96c177c45789/camptix.php#L2867 * * @param string $string The string to be escaped * @param boolean $escape_active_content Whether or not to escape active content trigger characters * @return string The escaped string */ function my_escape_csv($string, $escape_active_content=true) { if($escape_active_content) { $active_content_triggers = array('=', '+', '-', '@'); $delimiters = array(',', ';', ':', '|', '^', "\n", "\t", " "); $first_character = mb_substr($string, 0, 1); if( in_array($first_character, $active_content_triggers, true) || in_array($first_character, $delimiters, true) ) { $string = "'".$string; } foreach($delimiters as $delimiter) { foreach($active_content_triggers as $trigger) { $string = str_replace($delimiter.$trigger, $delimiter."'".$trigger, $string); } } } $string = str_replace('"', '""', $string); return $string; } // Fallback function for 'array_column', PHP < 5.5.0 compatibility if(!function_exists('array_column')) { function array_column($input, $column_key) { $values = array(); if(!is_array($input)) { $input = array($input); } foreach($input as $val) { if(is_array($val) && isset($val[$column_key])) { $values[] = $val[$column_key]; } elseif(is_object($val) && isset($val->$column_key)) { $values[] = $val->$column_key; } } return $values; } } /** * Performs a timing attack safe string comparison. * * @param string $known_string The first string to be compared. * @param string $user_string The second, user-supplied string to be compared. * @return bool Result of the comparison. */ function my_hash_equals($known_string, $user_string) { if(version_compare(PHP_VERSION, '5.6.0', '>=')) { return hash_equals($known_string, $user_string); } else { $known_string_length = my_strlen($known_string); $user_string_length = my_strlen($user_string); if($user_string_length != $known_string_length) { return false; } $result = 0; for($i = 0; $i < $known_string_length; $i++) { $result |= ord($known_string[$i]) ^ ord($user_string[$i]); } return $result === 0; } } /** * Retrieves all referrals for a specified user * * @param int uid * @param int start position * @param int total entries * @param bool false (default) only return display info, true for all info * @return array */ function get_user_referrals($uid, $start=0, $limit=0, $full=false) { global $db; $referrals = $query_options = array(); $uid = (int) $uid; if($uid === 0) { return $referrals; } if($start && $limit) { $query_options['limit_start'] = $start; } if($limit) { $query_options['limit'] = $limit; } $fields = 'uid, username, usergroup, displaygroup, regdate'; if($full === true) { $fields = '*'; } $query = $db->simple_select('users', $fields, "referrer='{$uid}'", $query_options); while($referral = $db->fetch_array($query)) { $referrals[] = $referral; } return $referrals; } /** * Initialize the parser and store the XML data to be parsed. * * @param string $data * @return MyBBXMLParser The constructed XML parser. */ function create_xml_parser($data) { if(version_compare(PHP_VERSION, '8.0', '>=')) { require_once MYBB_ROOT."inc/class_xmlparser.php"; return new MyBBXMLParser($data); } else { require_once MYBB_ROOT."inc/class_xml.php"; return new XMLParser($data); } } /** * Make a filesystem path absolute. * * Returns as-is paths which are already absolute. * * @param string $path The input path. Can be either absolute or relative. * @param string $base The absolute base to which to append $path if $path is * relative. Must end in DIRECTORY_SEPARATOR or a forward * slash. * @return string An absolute filesystem path corresponding to the input path. */ function mk_path_abs($path, $base = MYBB_ROOT) { $iswin = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'; $char1 = my_substr($path, 0, 1); if($char1 != '/' && !($iswin && ($char1 == '\\' || preg_match('(^[a-zA-Z]:\\\\)', $path)))) { $path = $base.$path; } return $path; }