$v) { set_var($k, $k, $key_type); if ($type == 'array' && is_array($v)) { foreach ($v as $_k => $_v) { if (is_array($_v)) { $_v = null; } set_var($_k, $_k, $sub_key_type); set_var($var[$k][$_k], $_v, $sub_type, $multibyte); } } else { if ($type == 'array' || is_array($v)) { $v = null; } set_var($var[$k], $v, $type, $multibyte); } } } else { set_var($var, $var, $type, $multibyte); } return $var; } /** * Set config value. Creates missing config entry. */ function set_config($config_name, $config_value, $is_dynamic = false) { global $db, $cache, $config; $sql = 'UPDATE ' . CONFIG_TABLE . " SET config_value = '" . $db->sql_escape($config_value) . "' WHERE config_name = '" . $db->sql_escape($config_name) . "'"; $db->sql_query($sql); if (!$db->sql_affectedrows() && !isset($config[$config_name])) { $sql = 'INSERT INTO ' . CONFIG_TABLE . ' ' . $db->sql_build_array('INSERT', array( 'config_name' => $config_name, 'config_value' => $config_value, 'is_dynamic' => ($is_dynamic) ? 1 : 0)); $db->sql_query($sql); } $config[$config_name] = $config_value; if (!$is_dynamic) { $cache->destroy('config'); } } /** * Generates an alphanumeric random string of given length */ function gen_rand_string($num_chars = 8) { $rand_str = unique_id(); $rand_str = str_replace('0', 'Z', strtoupper(base_convert($rand_str, 16, 35))); return substr($rand_str, 0, $num_chars); } /** * Return unique id * @param string $extra additional entropy */ function unique_id($extra = 'c') { static $dss_seeded = false; global $config; $val = $config['rand_seed'] . microtime(); $val = md5($val); $config['rand_seed'] = md5($config['rand_seed'] . $val . $extra); if ($dss_seeded !== true && ($config['rand_seed_last_update'] < time() - rand(1,10))) { set_config('rand_seed', $config['rand_seed'], true); set_config('rand_seed_last_update', time(), true); $dss_seeded = true; } return substr($val, 4, 16); } /** * Return formatted string for filesizes */ function get_formatted_filesize($bytes, $add_size_lang = true) { global $user; if ($bytes >= pow(2, 20)) { return ($add_size_lang) ? round($bytes / 1024 / 1024, 2) . ' ' . $user->lang['MIB'] : round($bytes / 1024 / 1024, 2); } if ($bytes >= pow(2, 10)) { return ($add_size_lang) ? round($bytes / 1024, 2) . ' ' . $user->lang['KIB'] : round($bytes / 1024, 2); } return ($add_size_lang) ? ($bytes) . ' ' . $user->lang['BYTES'] : ($bytes); } /** * Determine whether we are approaching the maximum execution time. Should be called once * at the beginning of the script in which it's used. * @return bool Either true if the maximum execution time is nearly reached, or false * if some time is still left. */ function still_on_time($extra_time = 15) { static $max_execution_time, $start_time; $time = explode(' ', microtime()); $current_time = $time[0] + $time[1]; if (empty($max_execution_time)) { $max_execution_time = (function_exists('ini_get')) ? (int) @ini_get('max_execution_time') : (int) @get_cfg_var('max_execution_time'); // If zero, then set to something higher to not let the user catch the ten seconds barrier. if ($max_execution_time === 0) { $max_execution_time = 50 + $extra_time; } $max_execution_time = min(max(10, ($max_execution_time - $extra_time)), 50); // For debugging purposes // $max_execution_time = 10; global $starttime; $start_time = (empty($starttime)) ? $current_time : $starttime; } return (ceil($current_time - $start_time) < $max_execution_time) ? true : false; } /** * * @version Version 0.1 / slightly modified for phpBB 3.0.x (using $H$ as hash type identifier) * * Portable PHP password hashing framework. * * Written by Solar Designer in 2004-2006 and placed in * the public domain. * * There's absolutely no warranty. * * The homepage URL for this framework is: * * http://www.openwall.com/phpass/ * * Please be sure to update the Version line if you edit this file in any way. * It is suggested that you leave the main version number intact, but indicate * your project name (after the slash) and add your own revision information. * * Please do not change the "private" password hashing method implemented in * here, thereby making your hashes incompatible. However, if you must, please * change the hash type identifier (the "$P$") to something different. * * Obviously, since this code is in the public domain, the above are not * requirements (there can be none), but merely suggestions. * * * Hash the password */ function phpbb_hash($password) { $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; $random_state = unique_id(); $random = ''; $count = 6; if (($fh = @fopen('/dev/urandom', 'rb'))) { $random = fread($fh, $count); fclose($fh); } if (strlen($random) < $count) { $random = ''; for ($i = 0; $i < $count; $i += 16) { $random_state = md5(unique_id() . $random_state); $random .= pack('H*', md5($random_state)); } $random = substr($random, 0, $count); } $hash = _hash_crypt_private($password, _hash_gensalt_private($random, $itoa64), $itoa64); if (strlen($hash) == 34) { return $hash; } return md5($password); } /** * Check for correct password * * @param string $password The password in plain text * @param string $hash The stored password hash * * @return bool Returns true if the password is correct, false if not. */ function phpbb_check_hash($password, $hash) { $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; if (strlen($hash) == 34) { return (_hash_crypt_private($password, $hash, $itoa64) === $hash) ? true : false; } return (md5($password) === $hash) ? true : false; } /** * Generate salt for hash generation */ function _hash_gensalt_private($input, &$itoa64, $iteration_count_log2 = 6) { if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31) { $iteration_count_log2 = 8; } $output = '$H$'; $output .= $itoa64[min($iteration_count_log2 + ((PHP_VERSION >= 5) ? 5 : 3), 30)]; $output .= _hash_encode64($input, 6, $itoa64); return $output; } /** * Encode hash */ function _hash_encode64($input, $count, &$itoa64) { $output = ''; $i = 0; do { $value = ord($input[$i++]); $output .= $itoa64[$value & 0x3f]; if ($i < $count) { $value |= ord($input[$i]) << 8; } $output .= $itoa64[($value >> 6) & 0x3f]; if ($i++ >= $count) { break; } if ($i < $count) { $value |= ord($input[$i]) << 16; } $output .= $itoa64[($value >> 12) & 0x3f]; if ($i++ >= $count) { break; } $output .= $itoa64[($value >> 18) & 0x3f]; } while ($i < $count); return $output; } /** * The crypt function/replacement */ function _hash_crypt_private($password, $setting, &$itoa64) { $output = '*'; // Check for correct hash if (substr($setting, 0, 3) != '$H$') { return $output; } $count_log2 = strpos($itoa64, $setting[3]); if ($count_log2 < 7 || $count_log2 > 30) { return $output; } $count = 1 << $count_log2; $salt = substr($setting, 4, 8); if (strlen($salt) != 8) { return $output; } /** * We're kind of forced to use MD5 here since it's the only * cryptographic primitive available in all versions of PHP * currently in use. To implement our own low-level crypto * in PHP would result in much worse performance and * consequently in lower iteration counts and hashes that are * quicker to crack (by non-PHP code). */ if (PHP_VERSION >= 5) { $hash = md5($salt . $password, true); do { $hash = md5($hash . $password, true); } while (--$count); } else { $hash = pack('H*', md5($salt . $password)); do { $hash = pack('H*', md5($hash . $password)); } while (--$count); } $output = substr($setting, 0, 12); $output .= _hash_encode64($hash, 16, $itoa64); return $output; } /** * Global function for chmodding directories and files for internal use * This function determines owner and group whom the file belongs to and user and group of PHP and then set safest possible file permissions. * The function determines owner and group from common.php file and sets the same to the provided file. Permissions are mapped to the group, user always has rw(x) permission. * The function uses bit fields to build the permissions. * The function sets the appropiate execute bit on directories. * * Supported constants representing bit fields are: * * CHMOD_ALL - all permissions (7) * CHMOD_READ - read permission (4) * CHMOD_WRITE - write permission (2) * CHMOD_EXECUTE - execute permission (1) * * NOTE: The function uses POSIX extension and fileowner()/filegroup() functions. If any of them is disabled, this function tries to build proper permissions, by calling is_readable() and is_writable() functions. * * @param $filename The file/directory to be chmodded * @param $perms Permissions to set * @return true on success, otherwise false * * @author faw, phpBB Group */ function phpbb_chmod($filename, $perms = CHMOD_READ) { // Return if the file no longer exists. if (!file_exists($filename)) { return false; } if (!function_exists('fileowner') || !function_exists('filegroup')) { $file_uid = $file_gid = false; $common_php_owner = $common_php_group = false; } else { global $phpbb_root_path, $phpEx; // Determine owner/group of common.php file and the filename we want to change here $common_php_owner = fileowner($phpbb_root_path . 'common.' . $phpEx); $common_php_group = filegroup($phpbb_root_path . 'common.' . $phpEx); $file_uid = fileowner($filename); $file_gid = filegroup($filename); // Try to set the owner to the same common.php has if ($common_php_owner !== $file_uid && $common_php_owner !== false && $file_uid !== false) { // Will most likely not work if (@chown($filename, $common_php_owner)); { clearstatcache(); $file_uid = fileowner($filename); } } // Try to set the group to the same common.php has if ($common_php_group !== $file_gid && $common_php_group !== false && $file_gid !== false) { if (@chgrp($filename, $common_php_group)); { clearstatcache(); $file_gid = filegroup($filename); } } } // And the owner and the groups PHP is running under. $php_uid = (function_exists('posix_getuid')) ? @posix_getuid() : false; $php_gids = (function_exists('posix_getgroups')) ? @posix_getgroups() : false; // Who is PHP? if ($file_uid === false || $file_gid === false || $php_uid === false || $php_gids === false) { $php = NULL; } else if ($file_uid == $php_uid /* && $common_php_owner !== false && $common_php_owner === $file_uid*/) { $php = 'owner'; } else if (in_array($file_gid, $php_gids)) { $php = 'group'; } else { $php = 'other'; } // Owner always has read/write permission $owner = CHMOD_READ | CHMOD_WRITE; if (is_dir($filename)) { $owner |= CHMOD_EXECUTE; // Only add execute bit to the permission if the dir needs to be readable if ($perms & CHMOD_READ) { $perms |= CHMOD_EXECUTE; } } switch ($php) { case null: case 'owner': /* ATTENTION: if php is owner or NULL we set it to group here. This is the most failsafe combination for the vast majority of server setups. $result = @chmod($filename, ($owner << 6) + (0 << 3) + (0 << 0)); clearstatcache(); if (!is_null($php) || (is_readable($filename) && is_writable($filename))) { break; } */ case 'group': $result = @chmod($filename, ($owner << 6) + ($perms << 3) + (0 << 0)); clearstatcache(); if (!is_null($php) || ((!($perms & CHMOD_READ) || is_readable($filename)) && (!($perms & CHMOD_WRITE) || is_writable($filename)))) { break; } case 'other': $result = @chmod($filename, ($owner << 6) + ($perms << 3) + ($perms << 0)); clearstatcache(); if (!is_null($php) || ((!($perms & CHMOD_READ) || is_readable($filename)) && (!($perms & CHMOD_WRITE) || is_writable($filename)))) { break; } default: return false; break; } return $result; } // Compatibility functions if (!function_exists('array_combine')) { /** * A wrapper for the PHP5 function array_combine() * @param array $keys contains keys for the resulting array * @param array $values contains values for the resulting array * * @return Returns an array by using the values from the keys array as keys and the * values from the values array as the corresponding values. Returns false if the * number of elements for each array isn't equal or if the arrays are empty. */ function array_combine($keys, $values) { $keys = array_values($keys); $values = array_values($values); $n = sizeof($keys); $m = sizeof($values); if (!$n || !$m || ($n != $m)) { return false; } $combined = array(); for ($i = 0; $i < $n; $i++) { $combined[$keys[$i]] = $values[$i]; } return $combined; } } if (!function_exists('str_split')) { /** * A wrapper for the PHP5 function str_split() * @param array $string contains the string to be converted * @param array $split_length contains the length of each chunk * * @return Converts a string to an array. If the optional split_length parameter is specified, * the returned array will be broken down into chunks with each being split_length in length, * otherwise each chunk will be one character in length. FALSE is returned if split_length is * less than 1. If the split_length length exceeds the length of string, the entire string is * returned as the first (and only) array element. */ function str_split($string, $split_length = 1) { if ($split_length < 1) { return false; } else if ($split_length >= strlen($string)) { return array($string); } else { preg_match_all('#.{1,' . $split_length . '}#s', $string, $matches); return $matches[0]; } } } if (!function_exists('stripos')) { /** * A wrapper for the PHP5 function stripos * Find position of first occurrence of a case-insensitive string * * @param string $haystack is the string to search in * @param string $needle is the string to search for * * @return mixed Returns the numeric position of the first occurrence of needle in the haystack string. Unlike strpos(), stripos() is case-insensitive. * Note that the needle may be a string of one or more characters. * If needle is not found, stripos() will return boolean FALSE. */ function stripos($haystack, $needle) { if (preg_match('#' . preg_quote($needle, '#') . '#i', $haystack, $m)) { return strpos($haystack, $m[0]); } return false; } } /** * Checks if a path ($path) is absolute or relative * * @param string $path Path to check absoluteness of * @return boolean */ function is_absolute($path) { return ($path[0] == '/' || (DIRECTORY_SEPARATOR == '\\' && preg_match('#^[a-z]:/#i', $path))) ? true : false; } /** * @author Chris Smith * @copyright 2006 Project Minerva Team * @param string $path The path which we should attempt to resolve. * @return mixed */ function phpbb_own_realpath($path) { // Now to perform funky shizzle // Switch to use UNIX slashes $path = str_replace(DIRECTORY_SEPARATOR, '/', $path); $path_prefix = ''; // Determine what sort of path we have if (is_absolute($path)) { $absolute = true; if ($path[0] == '/') { // Absolute path, *NIX style $path_prefix = ''; } else { // Absolute path, Windows style // Remove the drive letter and colon $path_prefix = $path[0] . ':'; $path = substr($path, 2); } } else { // Relative Path // Prepend the current working directory if (function_exists('getcwd')) { // This is the best method, hopefully it is enabled! $path = str_replace(DIRECTORY_SEPARATOR, '/', getcwd()) . '/' . $path; $absolute = true; if (preg_match('#^[a-z]:#i', $path)) { $path_prefix = $path[0] . ':'; $path = substr($path, 2); } else { $path_prefix = ''; } } else if (isset($_SERVER['SCRIPT_FILENAME']) && !empty($_SERVER['SCRIPT_FILENAME'])) { // Warning: If chdir() has been used this will lie! // Warning: This has some problems sometime (CLI can create them easily) $path = str_replace(DIRECTORY_SEPARATOR, '/', dirname($_SERVER['SCRIPT_FILENAME'])) . '/' . $path; $absolute = true; $path_prefix = ''; } else { // We have no way of getting the absolute path, just run on using relative ones. $absolute = false; $path_prefix = '.'; } } // Remove any repeated slashes $path = preg_replace('#/{2,}#', '/', $path); // Remove the slashes from the start and end of the path $path = trim($path, '/'); // Break the string into little bits for us to nibble on $bits = explode('/', $path); // Remove any . in the path, renumber array for the loop below $bits = array_values(array_diff($bits, array('.'))); // Lets get looping, run over and resolve any .. (up directory) for ($i = 0, $max = sizeof($bits); $i < $max; $i++) { // @todo Optimise if ($bits[$i] == '..' ) { if (isset($bits[$i - 1])) { if ($bits[$i - 1] != '..') { // We found a .. and we are able to traverse upwards, lets do it! unset($bits[$i]); unset($bits[$i - 1]); $i -= 2; $max -= 2; $bits = array_values($bits); } } else if ($absolute) // ie. !isset($bits[$i - 1]) && $absolute { // We have an absolute path trying to descend above the root of the filesystem // ... Error! return false; } } } // Prepend the path prefix array_unshift($bits, $path_prefix); $resolved = ''; $max = sizeof($bits) - 1; // Check if we are able to resolve symlinks, Windows cannot. $symlink_resolve = (function_exists('readlink')) ? true : false; foreach ($bits as $i => $bit) { if (@is_dir("$resolved/$bit") || ($i == $max && @is_file("$resolved/$bit"))) { // Path Exists if ($symlink_resolve && is_link("$resolved/$bit") && ($link = readlink("$resolved/$bit"))) { // Resolved a symlink. $resolved = $link . (($i == $max) ? '' : '/'); continue; } } else { // Something doesn't exist here! // This is correct realpath() behaviour but sadly open_basedir and safe_mode make this problematic // return false; } $resolved .= $bit . (($i == $max) ? '' : '/'); } // @todo If the file exists fine and open_basedir only has one path we should be able to prepend it // because we must be inside that basedir, the question is where... // @internal The slash in is_dir() gets around an open_basedir restriction if (!@file_exists($resolved) || (!is_dir($resolved . '/') && !is_file($resolved))) { return false; } // Put the slashes back to the native operating systems slashes $resolved = str_replace('/', DIRECTORY_SEPARATOR, $resolved); // Check for DIRECTORY_SEPARATOR at the end (and remove it!) if (substr($resolved, -1) == DIRECTORY_SEPARATOR) { return substr($resolved, 0, -1); } return $resolved; // We got here, in the end! } if (!function_exists('realpath')) { /** * A wrapper for realpath * @ignore */ function phpbb_realpath($path) { return phpbb_own_realpath($path); } } else { /** * A wrapper for realpath */ function phpbb_realpath($path) { $realpath = realpath($path); // Strangely there are provider not disabling realpath but returning strange values. :o // We at least try to cope with them. if ($realpath === $path || $realpath === false) { return phpbb_own_realpath($path); } // Check for DIRECTORY_SEPARATOR at the end (and remove it!) if (substr($realpath, -1) == DIRECTORY_SEPARATOR) { $realpath = substr($realpath, 0, -1); } return $realpath; } } if (!function_exists('htmlspecialchars_decode')) { /** * A wrapper for htmlspecialchars_decode * @ignore */ function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT) { return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style))); } } // functions used for building option fields /** * Pick a language, any language ... */ function language_select($default = '') { global $db; $sql = 'SELECT lang_iso, lang_local_name FROM ' . LANG_TABLE . ' ORDER BY lang_english_name'; $result = $db->sql_query($sql); $lang_options = ''; while ($row = $db->sql_fetchrow($result)) { $selected = ($row['lang_iso'] == $default) ? ' selected="selected"' : ''; $lang_options .= ''; } $db->sql_freeresult($result); return $lang_options; } /** * Pick a template/theme combo, */ function style_select($default = '', $all = false) { global $db; $sql_where = (!$all) ? 'WHERE style_active = 1 ' : ''; $sql = 'SELECT style_id, style_name FROM ' . STYLES_TABLE . " $sql_where ORDER BY style_name"; $result = $db->sql_query($sql); $style_options = ''; while ($row = $db->sql_fetchrow($result)) { $selected = ($row['style_id'] == $default) ? ' selected="selected"' : ''; $style_options .= ''; } $db->sql_freeresult($result); return $style_options; } /** * Pick a timezone */ function tz_select($default = '', $truncate = false) { global $user; $tz_select = ''; foreach ($user->lang['tz_zones'] as $offset => $zone) { if ($truncate) { $zone_trunc = truncate_string($zone, 50, 255, false, '...'); } else { $zone_trunc = $zone; } if (is_numeric($offset)) { $selected = ($offset == $default) ? ' selected="selected"' : ''; $tz_select .= ''; } } return $tz_select; } // Functions handling topic/post tracking/marking /** * Marks a topic/forum as read * Marks a topic as posted to * * @param int $user_id can only be used with $mode == 'post' */ function markread($mode, $forum_id = false, $topic_id = false, $post_time = 0, $user_id = 0) { global $db, $user, $config; if ($mode == 'all') { if ($forum_id === false || !sizeof($forum_id)) { if ($config['load_db_lastread'] && $user->data['is_registered']) { // Mark all forums read (index page) $db->sql_query('DELETE FROM ' . TOPICS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']}"); $db->sql_query('DELETE FROM ' . FORUMS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']}"); $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . time() . " WHERE user_id = {$user->data['user_id']}"); } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : ''; $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array(); unset($tracking_topics['tf']); unset($tracking_topics['t']); unset($tracking_topics['f']); $tracking_topics['l'] = base_convert(time() - $config['board_startdate'], 10, 36); $user->set_cookie('track', tracking_serialize($tracking_topics), time() + 31536000); $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking_topics)) : tracking_serialize($tracking_topics); unset($tracking_topics); if ($user->data['is_registered']) { $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . time() . " WHERE user_id = {$user->data['user_id']}"); } } } return; } else if ($mode == 'topics') { // Mark all topics in forums read if (!is_array($forum_id)) { $forum_id = array($forum_id); } // Add 0 to forums array to mark global announcements correctly $forum_id[] = 0; if ($config['load_db_lastread'] && $user->data['is_registered']) { $sql = 'DELETE FROM ' . TOPICS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']} AND " . $db->sql_in_set('forum_id', $forum_id); $db->sql_query($sql); $sql = 'SELECT forum_id FROM ' . FORUMS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']} AND " . $db->sql_in_set('forum_id', $forum_id); $result = $db->sql_query($sql); $sql_update = array(); while ($row = $db->sql_fetchrow($result)) { $sql_update[] = $row['forum_id']; } $db->sql_freeresult($result); if (sizeof($sql_update)) { $sql = 'UPDATE ' . FORUMS_TRACK_TABLE . ' SET mark_time = ' . time() . " WHERE user_id = {$user->data['user_id']} AND " . $db->sql_in_set('forum_id', $sql_update); $db->sql_query($sql); } if ($sql_insert = array_diff($forum_id, $sql_update)) { $sql_ary = array(); foreach ($sql_insert as $f_id) { $sql_ary[] = array( 'user_id' => (int) $user->data['user_id'], 'forum_id' => (int) $f_id, 'mark_time' => time() ); } $db->sql_multi_insert(FORUMS_TRACK_TABLE, $sql_ary); } } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { $tracking = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : ''; $tracking = ($tracking) ? tracking_unserialize($tracking) : array(); foreach ($forum_id as $f_id) { $topic_ids36 = (isset($tracking['tf'][$f_id])) ? $tracking['tf'][$f_id] : array(); if (isset($tracking['tf'][$f_id])) { unset($tracking['tf'][$f_id]); } foreach ($topic_ids36 as $topic_id36) { unset($tracking['t'][$topic_id36]); } if (isset($tracking['f'][$f_id])) { unset($tracking['f'][$f_id]); } $tracking['f'][$f_id] = base_convert(time() - $config['board_startdate'], 10, 36); } if (isset($tracking['tf']) && empty($tracking['tf'])) { unset($tracking['tf']); } $user->set_cookie('track', tracking_serialize($tracking), time() + 31536000); $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking)) : tracking_serialize($tracking); unset($tracking); } return; } else if ($mode == 'topic') { if ($topic_id === false || $forum_id === false) { return; } if ($config['load_db_lastread'] && $user->data['is_registered']) { $sql = 'UPDATE ' . TOPICS_TRACK_TABLE . ' SET mark_time = ' . (($post_time) ? $post_time : time()) . " WHERE user_id = {$user->data['user_id']} AND topic_id = $topic_id"; $db->sql_query($sql); // insert row if (!$db->sql_affectedrows()) { $db->sql_return_on_error(true); $sql_ary = array( 'user_id' => (int) $user->data['user_id'], 'topic_id' => (int) $topic_id, 'forum_id' => (int) $forum_id, 'mark_time' => ($post_time) ? (int) $post_time : time(), ); $db->sql_query('INSERT INTO ' . TOPICS_TRACK_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary)); $db->sql_return_on_error(false); } } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { $tracking = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : ''; $tracking = ($tracking) ? tracking_unserialize($tracking) : array(); $topic_id36 = base_convert($topic_id, 10, 36); if (!isset($tracking['t'][$topic_id36])) { $tracking['tf'][$forum_id][$topic_id36] = true; } $post_time = ($post_time) ? $post_time : time(); $tracking['t'][$topic_id36] = base_convert($post_time - $config['board_startdate'], 10, 36); // If the cookie grows larger than 10000 characters we will remove the smallest value // This can result in old topics being unread - but most of the time it should be accurate... if (isset($_COOKIE[$config['cookie_name'] . '_track']) && strlen($_COOKIE[$config['cookie_name'] . '_track']) > 10000) { //echo 'Cookie grown too large' . print_r($tracking, true); // We get the ten most minimum stored time offsets and its associated topic ids $time_keys = array(); for ($i = 0; $i < 10 && sizeof($tracking['t']); $i++) { $min_value = min($tracking['t']); $m_tkey = array_search($min_value, $tracking['t']); unset($tracking['t'][$m_tkey]); $time_keys[$m_tkey] = $min_value; } // Now remove the topic ids from the array... foreach ($tracking['tf'] as $f_id => $topic_id_ary) { foreach ($time_keys as $m_tkey => $min_value) { if (isset($topic_id_ary[$m_tkey])) { $tracking['f'][$f_id] = $min_value; unset($tracking['tf'][$f_id][$m_tkey]); } } } if ($user->data['is_registered']) { $user->data['user_lastmark'] = intval(base_convert(max($time_keys) + $config['board_startdate'], 36, 10)); $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . $user->data['user_lastmark'] . " WHERE user_id = {$user->data['user_id']}"); } else { $tracking['l'] = max($time_keys); } } $user->set_cookie('track', tracking_serialize($tracking), time() + 31536000); $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking)) : tracking_serialize($tracking); } return; } else if ($mode == 'post') { if ($topic_id === false) { return; } $use_user_id = (!$user_id) ? $user->data['user_id'] : $user_id; if ($config['load_db_track'] && $use_user_id != ANONYMOUS) { $db->sql_return_on_error(true); $sql_ary = array( 'user_id' => (int) $use_user_id, 'topic_id' => (int) $topic_id, 'topic_posted' => 1 ); $db->sql_query('INSERT INTO ' . TOPICS_POSTED_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary)); $db->sql_return_on_error(false); } return; } } /** * Get topic tracking info by using already fetched info */ function get_topic_tracking($forum_id, $topic_ids, &$rowset, $forum_mark_time, $global_announce_list = false) { global $config, $user; $last_read = array(); if (!is_array($topic_ids)) { $topic_ids = array($topic_ids); } foreach ($topic_ids as $topic_id) { if (!empty($rowset[$topic_id]['mark_time'])) { $last_read[$topic_id] = $rowset[$topic_id]['mark_time']; } } $topic_ids = array_diff($topic_ids, array_keys($last_read)); if (sizeof($topic_ids)) { $mark_time = array(); // Get global announcement info if ($global_announce_list && sizeof($global_announce_list)) { if (!isset($forum_mark_time[0])) { global $db; $sql = 'SELECT mark_time FROM ' . FORUMS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']} AND forum_id = 0"; $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if ($row) { $mark_time[0] = $row['mark_time']; } } else { if ($forum_mark_time[0] !== false) { $mark_time[0] = $forum_mark_time[0]; } } } if (!empty($forum_mark_time[$forum_id]) && $forum_mark_time[$forum_id] !== false) { $mark_time[$forum_id] = $forum_mark_time[$forum_id]; } $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user->data['user_lastmark']; foreach ($topic_ids as $topic_id) { if ($global_announce_list && isset($global_announce_list[$topic_id])) { $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark; } else { $last_read[$topic_id] = $user_lastmark; } } } return $last_read; } /** * Get topic tracking info from db (for cookie based tracking only this function is used) */ function get_complete_topic_tracking($forum_id, $topic_ids, $global_announce_list = false) { global $config, $user; $last_read = array(); if (!is_array($topic_ids)) { $topic_ids = array($topic_ids); } if ($config['load_db_lastread'] && $user->data['is_registered']) { global $db; $sql = 'SELECT topic_id, mark_time FROM ' . TOPICS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']} AND " . $db->sql_in_set('topic_id', $topic_ids); $result = $db->sql_query($sql); while ($row = $db->sql_fetchrow($result)) { $last_read[$row['topic_id']] = $row['mark_time']; } $db->sql_freeresult($result); $topic_ids = array_diff($topic_ids, array_keys($last_read)); if (sizeof($topic_ids)) { $sql = 'SELECT forum_id, mark_time FROM ' . FORUMS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']} AND forum_id " . (($global_announce_list && sizeof($global_announce_list)) ? "IN (0, $forum_id)" : "= $forum_id"); $result = $db->sql_query($sql); $mark_time = array(); while ($row = $db->sql_fetchrow($result)) { $mark_time[$row['forum_id']] = $row['mark_time']; } $db->sql_freeresult($result); $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user->data['user_lastmark']; foreach ($topic_ids as $topic_id) { if ($global_announce_list && isset($global_announce_list[$topic_id])) { $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark; } else { $last_read[$topic_id] = $user_lastmark; } } } } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { global $tracking_topics; if (!isset($tracking_topics) || !sizeof($tracking_topics)) { $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : ''; $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array(); } if (!$user->data['is_registered']) { $user_lastmark = (isset($tracking_topics['l'])) ? base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate'] : 0; } else { $user_lastmark = $user->data['user_lastmark']; } foreach ($topic_ids as $topic_id) { $topic_id36 = base_convert($topic_id, 10, 36); if (isset($tracking_topics['t'][$topic_id36])) { $last_read[$topic_id] = base_convert($tracking_topics['t'][$topic_id36], 36, 10) + $config['board_startdate']; } } $topic_ids = array_diff($topic_ids, array_keys($last_read)); if (sizeof($topic_ids)) { $mark_time = array(); if ($global_announce_list && sizeof($global_announce_list)) { if (isset($tracking_topics['f'][0])) { $mark_time[0] = base_convert($tracking_topics['f'][0], 36, 10) + $config['board_startdate']; } } if (isset($tracking_topics['f'][$forum_id])) { $mark_time[$forum_id] = base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate']; } $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user_lastmark; foreach ($topic_ids as $topic_id) { if ($global_announce_list && isset($global_announce_list[$topic_id])) { $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark; } else { $last_read[$topic_id] = $user_lastmark; } } } } return $last_read; } /** * Check for read forums and update topic tracking info accordingly * * @param int $forum_id the forum id to check * @param int $forum_last_post_time the forums last post time * @param int $f_mark_time the forums last mark time if user is registered and load_db_lastread enabled * @param int $mark_time_forum false if the mark time needs to be obtained, else the last users forum mark time * * @return true if complete forum got marked read, else false. */ function update_forum_tracking_info($forum_id, $forum_last_post_time, $f_mark_time = false, $mark_time_forum = false) { global $db, $tracking_topics, $user, $config; // Determine the users last forum mark time if not given. if ($mark_time_forum === false) { if ($config['load_db_lastread'] && $user->data['is_registered']) { $mark_time_forum = (!empty($f_mark_time)) ? $f_mark_time : $user->data['user_lastmark']; } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : ''; $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array(); if (!$user->data['is_registered']) { $user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0; } $mark_time_forum = (isset($tracking_topics['f'][$forum_id])) ? (int) (base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate']) : $user->data['user_lastmark']; } } // Check the forum for any left unread topics. // If there are none, we mark the forum as read. if ($config['load_db_lastread'] && $user->data['is_registered']) { if ($mark_time_forum >= $forum_last_post_time) { // We do not need to mark read, this happened before. Therefore setting this to true $row = true; } else { $sql = 'SELECT t.forum_id FROM ' . TOPICS_TABLE . ' t LEFT JOIN ' . TOPICS_TRACK_TABLE . ' tt ON (tt.topic_id = t.topic_id AND tt.user_id = ' . $user->data['user_id'] . ') WHERE t.forum_id = ' . $forum_id . ' AND t.topic_last_post_time > ' . $mark_time_forum . ' AND t.topic_moved_id = 0 AND (tt.topic_id IS NULL OR tt.mark_time < t.topic_last_post_time) GROUP BY t.forum_id'; $result = $db->sql_query_limit($sql, 1); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); } } else if ($config['load_anon_lastread'] || $user->data['is_registered']) { // Get information from cookie $row = false; if (!isset($tracking_topics['tf'][$forum_id])) { // We do not need to mark read, this happened before. Therefore setting this to true $row = true; } else { $sql = 'SELECT topic_id FROM ' . TOPICS_TABLE . ' WHERE forum_id = ' . $forum_id . ' AND topic_last_post_time > ' . $mark_time_forum . ' AND topic_moved_id = 0'; $result = $db->sql_query($sql); $check_forum = $tracking_topics['tf'][$forum_id]; $unread = false; while ($row = $db->sql_fetchrow($result)) { if (!isset($check_forum[base_convert($row['topic_id'], 10, 36)])) { $unread = true; break; } } $db->sql_freeresult($result); $row = $unread; } } else { $row = true; } if (!$row) { markread('topics', $forum_id); return true; } return false; } /** * Transform an array into a serialized format */ function tracking_serialize($input) { $out = ''; foreach ($input as $key => $value) { if (is_array($value)) { $out .= $key . ':(' . tracking_serialize($value) . ');'; } else { $out .= $key . ':' . $value . ';'; } } return $out; } /** * Transform a serialized array into an actual array */ function tracking_unserialize($string, $max_depth = 3) { $n = strlen($string); if ($n > 10010) { die('Invalid data supplied'); } $data = $stack = array(); $key = ''; $mode = 0; $level = &$data; for ($i = 0; $i < $n; ++$i) { switch ($mode) { case 0: switch ($string[$i]) { case ':': $level[$key] = 0; $mode = 1; break; case ')': unset($level); $level = array_pop($stack); $mode = 3; break; default: $key .= $string[$i]; } break; case 1: switch ($string[$i]) { case '(': if (sizeof($stack) >= $max_depth) { die('Invalid data supplied'); } $stack[] = &$level; $level[$key] = array(); $level = &$level[$key]; $key = ''; $mode = 0; break; default: $level[$key] = $string[$i]; $mode = 2; break; } break; case 2: switch ($string[$i]) { case ')': unset($level); $level = array_pop($stack); $mode = 3; break; case ';': $key = ''; $mode = 0; break; default: $level[$key] .= $string[$i]; break; } break; case 3: switch ($string[$i]) { case ')': unset($level); $level = array_pop($stack); break; case ';': $key = ''; $mode = 0; break; default: die('Invalid data supplied'); break; } break; } } if (sizeof($stack) != 0 || ($mode != 0 && $mode != 3)) { die('Invalid data supplied'); } return $level; } // Pagination functions /** * Pagination routine, generates page number sequence * tpl_prefix is for using different pagination blocks at one page */ function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = false, $tpl_prefix = '') { global $template, $user; // Make sure $per_page is a valid value $per_page = ($per_page <= 0) ? 1 : $per_page; $seperator = '' . $user->lang['COMMA_SEPARATOR'] . ''; $total_pages = ceil($num_items / $per_page); if ($total_pages == 1 || !$num_items) { return false; } $on_page = floor($start_item / $per_page) + 1; $url_delim = (strpos($base_url, '?') === false) ? '?' : '&'; $page_string = ($on_page == 1) ? '1' : '1'; if ($total_pages > 5) { $start_cnt = min(max(1, $on_page - 4), $total_pages - 5); $end_cnt = max(min($total_pages, $on_page + 4), 6); $page_string .= ($start_cnt > 1) ? ' ... ' : $seperator; for ($i = $start_cnt + 1; $i < $end_cnt; $i++) { $page_string .= ($i == $on_page) ? '' . $i . '' : '' . $i . ''; if ($i < $end_cnt - 1) { $page_string .= $seperator; } } $page_string .= ($end_cnt < $total_pages) ? ' ... ' : $seperator; } else { $page_string .= $seperator; for ($i = 2; $i < $total_pages; $i++) { $page_string .= ($i == $on_page) ? '' . $i . '' : '' . $i . ''; if ($i < $total_pages) { $page_string .= $seperator; } } } $page_string .= ($on_page == $total_pages) ? '' . $total_pages . '' : '' . $total_pages . ''; if ($add_prevnext_text) { if ($on_page != 1) { $page_string = '' . $user->lang['PREVIOUS'] . '  ' . $page_string; } if ($on_page != $total_pages) { $page_string .= '  ' . $user->lang['NEXT'] . ''; } } $template->assign_vars(array( $tpl_prefix . 'BASE_URL' => $base_url, 'A_' . $tpl_prefix . 'BASE_URL' => addslashes($base_url), $tpl_prefix . 'PER_PAGE' => $per_page, $tpl_prefix . 'PREVIOUS_PAGE' => ($on_page == 1) ? '' : $base_url . "{$url_delim}start=" . (($on_page - 2) * $per_page), $tpl_prefix . 'NEXT_PAGE' => ($on_page == $total_pages) ? '' : $base_url . "{$url_delim}start=" . ($on_page * $per_page), $tpl_prefix . 'TOTAL_PAGES' => $total_pages, )); return $page_string; } /** * Return current page (pagination) */ function on_page($num_items, $per_page, $start) { global $template, $user; // Make sure $per_page is a valid value $per_page = ($per_page <= 0) ? 1 : $per_page; $on_page = floor($start / $per_page) + 1; $template->assign_vars(array( 'ON_PAGE' => $on_page) ); return sprintf($user->lang['PAGE_OF'], $on_page, max(ceil($num_items / $per_page), 1)); } // Server functions (building urls, redirecting...) /** * Append session id to url. * This function supports hooks. * * @param string $url The url the session id needs to be appended to (can have params) * @param mixed $params String or array of additional url parameters * @param bool $is_amp Is url using & (true) or & (false) * @param string $session_id Possibility to use a custom session id instead of the global one * * Examples: * * append_sid("{$phpbb_root_path}viewtopic.$phpEx?t=1&f=2"); * append_sid("{$phpbb_root_path}viewtopic.$phpEx", 't=1&f=2'); * append_sid("{$phpbb_root_path}viewtopic.$phpEx", 't=1&f=2', false); * append_sid("{$phpbb_root_path}viewtopic.$phpEx", array('t' => 1, 'f' => 2)); * * */ function append_sid($url, $params = false, $is_amp = true, $session_id = false) { global $_SID, $_EXTRA_URL, $phpbb_hook; // Developers using the hook function need to globalise the $_SID and $_EXTRA_URL on their own and also handle it appropiatly. // They could mimick most of what is within this function if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__, $url, $params, $is_amp, $session_id)) { if ($phpbb_hook->hook_return(__FUNCTION__)) { return $phpbb_hook->hook_return_result(__FUNCTION__); } } $params_is_array = is_array($params); // Get anchor $anchor = ''; if (strpos($url, '#') !== false) { list($url, $anchor) = explode('#', $url, 2); $anchor = '#' . $anchor; } else if (!$params_is_array && strpos($params, '#') !== false) { list($params, $anchor) = explode('#', $params, 2); $anchor = '#' . $anchor; } // Handle really simple cases quickly if ($_SID == '' && $session_id === false && empty($_EXTRA_URL) && !$params_is_array && !$anchor) { if ($params === false) { return $url; } $url_delim = (strpos($url, '?') === false) ? '?' : (($is_amp) ? '&' : '&'); return $url . ($params !== false ? $url_delim. $params : ''); } // Assign sid if session id is not specified if ($session_id === false) { $session_id = $_SID; } $amp_delim = ($is_amp) ? '&' : '&'; $url_delim = (strpos($url, '?') === false) ? '?' : $amp_delim; // Appending custom url parameter? $append_url = (!empty($_EXTRA_URL)) ? implode($amp_delim, $_EXTRA_URL) : ''; // Use the short variant if possible ;) if ($params === false) { // Append session id if (!$session_id) { return $url . (($append_url) ? $url_delim . $append_url : '') . $anchor; } else { return $url . (($append_url) ? $url_delim . $append_url . $amp_delim : $url_delim) . 'sid=' . $session_id . $anchor; } } // Build string if parameters are specified as array if (is_array($params)) { $output = array(); foreach ($params as $key => $item) { if ($item === NULL) { continue; } if ($key == '#') { $anchor = '#' . $item; continue; } $output[] = $key . '=' . $item; } $params = implode($amp_delim, $output); } // Append session id and parameters (even if they are empty) // If parameters are empty, the developer can still append his/her parameters without caring about the delimiter return $url . (($append_url) ? $url_delim . $append_url . $amp_delim : $url_delim) . $params . ((!$session_id) ? '' : $amp_delim . 'sid=' . $session_id) . $anchor; } /** * Generate board url (example: http://www.example.com/phpBB) * @param bool $without_script_path if set to true the script path gets not appended (example: http://www.example.com) */ function generate_board_url($without_script_path = false) { global $config, $user; $server_name = $user->host; $server_port = (!empty($_SERVER['SERVER_PORT'])) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT'); // Forcing server vars is the only way to specify/override the protocol if ($config['force_server_vars'] || !$server_name) { $server_protocol = ($config['server_protocol']) ? $config['server_protocol'] : (($config['cookie_secure']) ? 'https://' : 'http://'); $server_name = $config['server_name']; $server_port = (int) $config['server_port']; $script_path = $config['script_path']; $url = $server_protocol . $server_name; $cookie_secure = $config['cookie_secure']; } else { // Do not rely on cookie_secure, users seem to think that it means a secured cookie instead of an encrypted connection $cookie_secure = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 1 : 0; $url = (($cookie_secure) ? 'https://' : 'http://') . $server_name; $script_path = $user->page['root_script_path']; } if ($server_port && (($cookie_secure && $server_port <> 443) || (!$cookie_secure && $server_port <> 80))) { // HTTP HOST can carry a port number (we fetch $user->host, but for old versions this may be true) if (strpos($server_name, ':') === false) { $url .= ':' . $server_port; } } if (!$without_script_path) { $url .= $script_path; } // Strip / from the end if (substr($url, -1, 1) == '/') { $url = substr($url, 0, -1); } return $url; } /** * Redirects the user to another page then exits the script nicely * This function is intended for urls within the board. It's not meant to redirect to cross-domains. * * @param string $url The url to redirect to * @param bool $return If true, do not redirect but return the sanitized URL. Default is no return. * @param bool $disable_cd_check If true, redirect() will redirect to an external domain. If false, the redirect point to the boards url if it does not match the current domain. Default is false. */ function redirect($url, $return = false, $disable_cd_check = false) { global $db, $cache, $config, $user, $phpbb_root_path; if (empty($user->lang)) { $user->add_lang('common'); } if (!$return) { garbage_collection(); } // Make sure no &'s are in, this will break the redirect $url = str_replace('&', '&', $url); // Determine which type of redirect we need to handle... $url_parts = parse_url($url); if ($url_parts === false) { // Malformed url, redirect to current page... $url = generate_board_url() . '/' . $user->page['page']; } else if (!empty($url_parts['scheme']) && !empty($url_parts['host'])) { // Attention: only able to redirect within the same domain if $disable_cd_check is false (yourdomain.com -> www.yourdomain.com will not work) if (!$disable_cd_check && $url_parts['host'] !== $user->host) { $url = generate_board_url(); } } else if ($url[0] == '/') { // Absolute uri, prepend direct url... $url = generate_board_url(true) . $url; } else { // Relative uri $pathinfo = pathinfo($url); // Is the uri pointing to the current directory? if ($pathinfo['dirname'] == '.') { $url = str_replace('./', '', $url); // Strip / from the beginning if ($url && substr($url, 0, 1) == '/') { $url = substr($url, 1); } if ($user->page['page_dir']) { $url = generate_board_url() . '/' . $user->page['page_dir'] . '/' . $url; } else { $url = generate_board_url() . '/' . $url; } } else { // Used ./ before, but $phpbb_root_path is working better with urls within another root path $root_dirs = explode('/', str_replace('\\', '/', phpbb_realpath($phpbb_root_path))); $page_dirs = explode('/', str_replace('\\', '/', phpbb_realpath($pathinfo['dirname']))); $intersection = array_intersect_assoc($root_dirs, $page_dirs); $root_dirs = array_diff_assoc($root_dirs, $intersection); $page_dirs = array_diff_assoc($page_dirs, $intersection); $dir = str_repeat('../', sizeof($root_dirs)) . implode('/', $page_dirs); // Strip / from the end if ($dir && substr($dir, -1, 1) == '/') { $dir = substr($dir, 0, -1); } // Strip / from the beginning if ($dir && substr($dir, 0, 1) == '/') { $dir = substr($dir, 1); } $url = str_replace($pathinfo['dirname'] . '/', '', $url); // Strip / from the beginning if (substr($url, 0, 1) == '/') { $url = substr($url, 1); } $url = (!empty($dir) ? $dir . '/' : '') . $url; $url = generate_board_url() . '/' . $url; } } // Make sure no linebreaks are there... to prevent http response splitting for PHP < 4.4.2 if (strpos(urldecode($url), "\n") !== false || strpos(urldecode($url), "\r") !== false || strpos($url, ';') !== false) { trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR); } // Now, also check the protocol and for a valid url the last time... $allowed_protocols = array('http', 'https', 'ftp', 'ftps'); $url_parts = parse_url($url); if ($url_parts === false || empty($url_parts['scheme']) || !in_array($url_parts['scheme'], $allowed_protocols)) { trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR); } if ($return) { return $url; } // Redirect via an HTML form for PITA webservers if (@preg_match('#Microsoft|WebSTAR|Xitami#', getenv('SERVER_SOFTWARE'))) { header('Refresh: 0; URL=' . $url); echo ''; echo ''; echo ''; echo ''; echo ''; echo '' . $user->lang['REDIRECT'] . ''; echo ''; echo ''; echo '
' . sprintf($user->lang['URL_REDIRECT'], '', '') . '
'; echo ''; echo ''; exit; } // Behave as per HTTP/1.1 spec for others header('Location: ' . $url); exit; } /** * Re-Apply session id after page reloads */ function reapply_sid($url) { global $phpEx, $phpbb_root_path; if ($url === "index.$phpEx") { return append_sid("index.$phpEx"); } else if ($url === "{$phpbb_root_path}index.$phpEx") { return append_sid("{$phpbb_root_path}index.$phpEx"); } // Remove previously added sid if (strpos($url, '?sid=') !== false) { $url = preg_replace('/(\?)sid=[a-z0-9]+(&|&)?/', '\1', $url); } else if (strpos($url, '&sid=') !== false) { $url = preg_replace('/&sid=[a-z0-9]+(&)?/', '\1', $url); } else if (strpos($url, '&sid=') !== false) { $url = preg_replace('/&sid=[a-z0-9]+(&)?/', '\1', $url); } return append_sid($url); } /** * Returns url from the session/current page with an re-appended SID with optionally stripping vars from the url */ function build_url($strip_vars = false) { global $user, $phpbb_root_path; // Append SID $redirect = append_sid($user->page['page'], false, false); // Add delimiter if not there... if (strpos($redirect, '?') === false) { $redirect .= '?'; } // Strip vars... if ($strip_vars !== false && strpos($redirect, '?') !== false) { if (!is_array($strip_vars)) { $strip_vars = array($strip_vars); } $query = $_query = array(); $args = substr($redirect, strpos($redirect, '?') + 1); $args = ($args) ? explode('&', $args) : array(); $redirect = substr($redirect, 0, strpos($redirect, '?')); foreach ($args as $argument) { $arguments = explode('=', $argument); $key = $arguments[0]; unset($arguments[0]); $query[$key] = implode('=', $arguments); } // Strip the vars off foreach ($strip_vars as $strip) { if (isset($query[$strip])) { unset($query[$strip]); } } // Glue the remaining parts together... already urlencoded foreach ($query as $key => $value) { $_query[] = $key . '=' . $value; } $query = implode('&', $_query); $redirect .= ($query) ? '?' . $query : ''; } return $phpbb_root_path . str_replace('&', '&', $redirect); } /** * Meta refresh assignment * Adds META template variable with meta http tag. * * @param int $time Time in seconds for meta refresh tag * @param string $url URL to redirect to. The url will go through redirect() first before the template variable is assigned * @param bool $disable_cd_check If true, meta_refresh() will redirect to an external domain. If false, the redirect point to the boards url if it does not match the current domain. Default is false. */ function meta_refresh($time, $url, $disable_cd_check = false) { global $template; $url = redirect($url, true, $disable_cd_check); $url = str_replace('&', '&', $url); // For XHTML compatibility we change back & to & $template->assign_vars(array( 'META' => '') ); return $url; } //Form validation /** * Add a secret hash for use in links/GET requests * @param string $link_name The name of the link; has to match the name used in check_link_hash, otherwise no restrictions apply * @return string the hash */ function generate_link_hash($link_name) { global $user; if (!isset($user->data["hash_$link_name"])) { $user->data["hash_$link_name"] = substr(sha1($user->data['user_form_salt'] . $link_name), 0, 8); } return $user->data["hash_$link_name"]; } /** * checks a link hash - for GET requests * @param string $token the submitted token * @param string $link_name The name of the link * @return boolean true if all is fine */ function check_link_hash($token, $link_name) { return $token === generate_link_hash($link_name); } /** * Add a secret token to the form (requires the S_FORM_TOKEN template variable) * @param string $form_name The name of the form; has to match the name used in check_form_key, otherwise no restrictions apply */ function add_form_key($form_name) { global $config, $template, $user; $now = time(); $token_sid = ($user->data['user_id'] == ANONYMOUS && !empty($config['form_token_sid_guests'])) ? $user->session_id : ''; $token = sha1($now . $user->data['user_form_salt'] . $form_name . $token_sid); $s_fields = build_hidden_fields(array( 'creation_time' => $now, 'form_token' => $token, )); $template->assign_vars(array( 'S_FORM_TOKEN' => $s_fields, )); } /** * Check the form key. Required for all altering actions not secured by confirm_box * @param string $form_name The name of the form; has to match the name used in add_form_key, otherwise no restrictions apply * @param int $timespan The maximum acceptable age for a submitted form in seconds. Defaults to the config setting. * @param string $return_page The address for the return link * @param bool $trigger If true, the function will triger an error when encountering an invalid form */ function check_form_key($form_name, $timespan = false, $return_page = '', $trigger = false) { global $config, $user; if ($timespan === false) { // we enforce a minimum value of half a minute here. $timespan = ($config['form_token_lifetime'] == -1) ? -1 : max(30, $config['form_token_lifetime']); } if (isset($_POST['creation_time']) && isset($_POST['form_token'])) { $creation_time = abs(request_var('creation_time', 0)); $token = request_var('form_token', ''); $diff = time() - $creation_time; // If creation_time and the time() now is zero we can assume it was not a human doing this (the check for if ($diff)... if ($diff && ($diff <= $timespan || $timespan === -1)) { $token_sid = ($user->data['user_id'] == ANONYMOUS && !empty($config['form_token_sid_guests'])) ? $user->session_id : ''; $key = sha1($creation_time . $user->data['user_form_salt'] . $form_name . $token_sid); if ($key === $token) { return true; } } } if ($trigger) { trigger_error($user->lang['FORM_INVALID'] . $return_page); } return false; } // Message/Login boxes /** * Build Confirm box * @param boolean $check True for checking if confirmed (without any additional parameters) and false for displaying the confirm box * @param string $title Title/Message used for confirm box. * message text is _CONFIRM appended to title. * If title cannot be found in user->lang a default one is displayed * If title_CONFIRM cannot be found in user->lang the text given is used. * @param string $hidden Hidden variables * @param string $html_body Template used for confirm box * @param string $u_action Custom form action */ function confirm_box($check, $title = '', $hidden = '', $html_body = 'confirm_body.html', $u_action = '') { global $user, $template, $db; global $phpEx, $phpbb_root_path; if (isset($_POST['cancel'])) { return false; } $confirm = false; if (isset($_POST['confirm'])) { // language frontier if ($_POST['confirm'] === $user->lang['YES']) { $confirm = true; } } if ($check && $confirm) { $user_id = request_var('user_id', 0); $session_id = request_var('sess', ''); $confirm_key = request_var('confirm_key', ''); if ($user_id != $user->data['user_id'] || $session_id != $user->session_id || !$confirm_key || !$user->data['user_last_confirm_key'] || $confirm_key != $user->data['user_last_confirm_key']) { return false; } // Reset user_last_confirm_key $sql = 'UPDATE ' . USERS_TABLE . " SET user_last_confirm_key = '' WHERE user_id = " . $user->data['user_id']; $db->sql_query($sql); return true; } else if ($check) { return false; } $s_hidden_fields = build_hidden_fields(array( 'user_id' => $user->data['user_id'], 'sess' => $user->session_id, 'sid' => $user->session_id) ); // generate activation key $confirm_key = gen_rand_string(10); if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin']) { adm_page_header((!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title]); } else { page_header((!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title]); } $template->set_filenames(array( 'body' => $html_body) ); // If activation key already exist, we better do not re-use the key (something very strange is going on...) if (request_var('confirm_key', '')) { // This should not occur, therefore we cancel the operation to safe the user return false; } // re-add sid / transform & to & for user->page (user->page is always using &) $use_page = ($u_action) ? $phpbb_root_path . $u_action : $phpbb_root_path . str_replace('&', '&', $user->page['page']); $u_action = reapply_sid($use_page); $u_action .= ((strpos($u_action, '?') === false) ? '?' : '&') . 'confirm_key=' . $confirm_key; $template->assign_vars(array( 'MESSAGE_TITLE' => (!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title], 'MESSAGE_TEXT' => (!isset($user->lang[$title . '_CONFIRM'])) ? $title : $user->lang[$title . '_CONFIRM'], 'YES_VALUE' => $user->lang['YES'], 'S_CONFIRM_ACTION' => $u_action, 'S_HIDDEN_FIELDS' => $hidden . $s_hidden_fields) ); $sql = 'UPDATE ' . USERS_TABLE . " SET user_last_confirm_key = '" . $db->sql_escape($confirm_key) . "' WHERE user_id = " . $user->data['user_id']; $db->sql_query($sql); if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin']) { adm_page_footer(); } else { page_footer(); } } /** * Generate login box or verify password */ function login_box($redirect = '', $l_explain = '', $l_success = '', $admin = false, $s_display = true) { global $db, $user, $template, $auth, $phpEx, $phpbb_root_path, $config; $err = ''; // Make sure user->setup() has been called if (empty($user->lang)) { $user->setup(); } // Print out error if user tries to authenticate as an administrator without having the privileges... if ($admin && !$auth->acl_get('a_')) { // Not authd // anonymous/inactive users are never able to go to the ACP even if they have the relevant permissions if ($user->data['is_registered']) { add_log('admin', 'LOG_ADMIN_AUTH_FAIL'); } trigger_error('NO_AUTH_ADMIN'); } if (isset($_POST['login'])) { // Get credential if ($admin) { $credential = request_var('credential', ''); if (strspn($credential, 'abcdef0123456789') !== strlen($credential) || strlen($credential) != 32) { if ($user->data['is_registered']) { add_log('admin', 'LOG_ADMIN_AUTH_FAIL'); } trigger_error('NO_AUTH_ADMIN'); } $password = request_var('password_' . $credential, '', true); } else { $password = request_var('password', '', true); } $username = request_var('username', '', true); $autologin = (!empty($_POST['autologin'])) ? true : false; $viewonline = (!empty($_POST['viewonline'])) ? 0 : 1; $admin = ($admin) ? 1 : 0; $viewonline = ($admin) ? $user->data['session_viewonline'] : $viewonline; // Check if the supplied username is equal to the one stored within the database if re-authenticating if ($admin && utf8_clean_string($username) != utf8_clean_string($user->data['username'])) { // We log the attempt to use a different username... add_log('admin', 'LOG_ADMIN_AUTH_FAIL'); trigger_error('NO_AUTH_ADMIN_USER_DIFFER'); } // If authentication is successful we redirect user to previous page $result = $auth->login($username, $password, $autologin, $viewonline, $admin); // If admin authentication and login, we will log if it was a success or not... // We also break the operation on the first non-success login - it could be argued that the user already knows if ($admin) { if ($result['status'] == LOGIN_SUCCESS) { add_log('admin', 'LOG_ADMIN_AUTH_SUCCESS'); } else { // Only log the failed attempt if a real user tried to. // anonymous/inactive users are never able to go to the ACP even if they have the relevant permissions if ($user->data['is_registered']) { add_log('admin', 'LOG_ADMIN_AUTH_FAIL'); } } } // The result parameter is always an array, holding the relevant information... if ($result['status'] == LOGIN_SUCCESS) { $redirect = request_var('redirect', "{$phpbb_root_path}index.$phpEx"); $message = ($l_success) ? $l_success : $user->lang['LOGIN_REDIRECT']; $l_redirect = ($admin) ? $user->lang['PROCEED_TO_ACP'] : (($redirect === "{$phpbb_root_path}index.$phpEx" || $redirect === "index.$phpEx") ? $user->lang['RETURN_INDEX'] : $user->lang['RETURN_PAGE']); // append/replace SID (may change during the session for AOL users) $redirect = reapply_sid($redirect); // Special case... the user is effectively banned, but we allow founders to login if (defined('IN_CHECK_BAN') && $result['user_row']['user_type'] != USER_FOUNDER) { return; } $redirect = meta_refresh(3, $redirect); trigger_error($message . '

' . sprintf($l_redirect, '', '')); } // Something failed, determine what... if ($result['status'] == LOGIN_BREAK) { trigger_error($result['error_msg']); } // Special cases... determine switch ($result['status']) { case LOGIN_ERROR_ATTEMPTS: // Show confirm image $sql = 'DELETE FROM ' . CONFIRM_TABLE . " WHERE session_id = '" . $db->sql_escape($user->session_id) . "' AND confirm_type = " . CONFIRM_LOGIN; $db->sql_query($sql); // Generate code $code = gen_rand_string(mt_rand(5, 8)); $confirm_id = md5(unique_id($user->ip)); $seed = hexdec(substr(unique_id(), 4, 10)); // compute $seed % 0x7fffffff $seed -= 0x7fffffff * floor($seed / 0x7fffffff); $sql = 'INSERT INTO ' . CONFIRM_TABLE . ' ' . $db->sql_build_array('INSERT', array( 'confirm_id' => (string) $confirm_id, 'session_id' => (string) $user->session_id, 'confirm_type' => (int) CONFIRM_LOGIN, 'code' => (string) $code, 'seed' => (int) $seed) ); $db->sql_query($sql); $template->assign_vars(array( 'S_CONFIRM_CODE' => true, 'CONFIRM_ID' => $confirm_id, 'CONFIRM_IMAGE' => '', 'L_LOGIN_CONFIRM_EXPLAIN' => sprintf($user->lang['LOGIN_CONFIRM_EXPLAIN'], '', ''), )); $err = $user->lang[$result['error_msg']]; break; case LOGIN_ERROR_PASSWORD_CONVERT: $err = sprintf( $user->lang[$result['error_msg']], ($config['email_enable']) ? '' : '', ($config['email_enable']) ? '' : '', ($config['board_contact']) ? '' : '', ($config['board_contact']) ? '' : '' ); break; // Username, password, etc... default: $err = $user->lang[$result['error_msg']]; // Assign admin contact to some error messages if ($result['error_msg'] == 'LOGIN_ERROR_USERNAME' || $result['error_msg'] == 'LOGIN_ERROR_PASSWORD') { $err = (!$config['board_contact']) ? sprintf($user->lang[$result['error_msg']], '', '') : sprintf($user->lang[$result['error_msg']], '', ''); } break; } } if (!$redirect) { // We just use what the session code determined... // If we are not within the admin directory we use the page dir... $redirect = ''; if (!$admin) { $redirect .= ($user->page['page_dir']) ? $user->page['page_dir'] . '/' : ''; } $redirect .= $user->page['page_name'] . (($user->page['query_string']) ? '?' . htmlspecialchars($user->page['query_string']) : ''); } // Assign credential for username/password pair $credential = ($admin) ? md5(unique_id()) : false; $s_hidden_fields = array( 'redirect' => $redirect, 'sid' => $user->session_id, ); if ($admin) { $s_hidden_fields['credential'] = $credential; } $s_hidden_fields = build_hidden_fields($s_hidden_fields); $template->assign_vars(array( 'LOGIN_ERROR' => $err, 'LOGIN_EXPLAIN' => $l_explain, 'U_SEND_PASSWORD' => ($config['email_enable']) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=sendpassword') : '', 'U_RESEND_ACTIVATION' => ($config['require_activation'] != USER_ACTIVATION_NONE && $config['email_enable']) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=resend_act') : '', 'U_TERMS_USE' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=terms'), 'U_PRIVACY' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=privacy'), 'S_DISPLAY_FULL_LOGIN' => ($s_display) ? true : false, 'S_LOGIN_ACTION' => (!$admin) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=login') : append_sid("index.$phpEx", false, true, $user->session_id), // Needs to stay index.$phpEx because we are within the admin directory 'S_HIDDEN_FIELDS' => $s_hidden_fields, 'S_ADMIN_AUTH' => $admin, 'USERNAME' => ($admin) ? $user->data['username'] : '', 'USERNAME_CREDENTIAL' => 'username', 'PASSWORD_CREDENTIAL' => ($admin) ? 'password_' . $credential : 'password', )); page_header($user->lang['LOGIN'], false); $template->set_filenames(array( 'body' => 'login_body.html') ); make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx")); page_footer(); } /** * Generate forum login box */ function login_forum_box($forum_data) { global $db, $config, $user, $template, $phpEx; $password = request_var('password', '', true); $sql = 'SELECT forum_id FROM ' . FORUMS_ACCESS_TABLE . ' WHERE forum_id = ' . $forum_data['forum_id'] . ' AND user_id = ' . $user->data['user_id'] . " AND session_id = '" . $db->sql_escape($user->session_id) . "'"; $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if ($row) { return true; } if ($password) { // Remove expired authorised sessions $sql = 'SELECT f.session_id FROM ' . FORUMS_ACCESS_TABLE . ' f LEFT JOIN ' . SESSIONS_TABLE . ' s ON (f.session_id = s.session_id) WHERE s.session_id IS NULL'; $result = $db->sql_query($sql); if ($row = $db->sql_fetchrow($result)) { $sql_in = array(); do { $sql_in[] = (string) $row['session_id']; } while ($row = $db->sql_fetchrow($result)); // Remove expired sessions $sql = 'DELETE FROM ' . FORUMS_ACCESS_TABLE . ' WHERE ' . $db->sql_in_set('session_id', $sql_in); $db->sql_query($sql); } $db->sql_freeresult($result); if (phpbb_check_hash($password, $forum_data['forum_password'])) { $sql_ary = array( 'forum_id' => (int) $forum_data['forum_id'], 'user_id' => (int) $user->data['user_id'], 'session_id' => (string) $user->session_id, ); $db->sql_query('INSERT INTO ' . FORUMS_ACCESS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary)); return true; } $template->assign_var('LOGIN_ERROR', $user->lang['WRONG_PASSWORD']); } page_header($user->lang['LOGIN']); $template->assign_vars(array( 'S_HIDDEN_FIELDS' => build_hidden_fields(array('f' => $forum_data['forum_id']))) ); $template->set_filenames(array( 'body' => 'login_forum.html') ); page_footer(); } // Little helpers /** * Little helper for the build_hidden_fields function */ function _build_hidden_fields($key, $value, $specialchar, $stripslashes) { $hidden_fields = ''; if (!is_array($value)) { $value = ($stripslashes) ? stripslashes($value) : $value; $value = ($specialchar) ? htmlspecialchars($value, ENT_COMPAT, 'UTF-8') : $value; $hidden_fields .= '' . "\n"; } else { foreach ($value as $_key => $_value) { $_key = ($stripslashes) ? stripslashes($_key) : $_key; $_key = ($specialchar) ? htmlspecialchars($_key, ENT_COMPAT, 'UTF-8') : $_key; $hidden_fields .= _build_hidden_fields($key . '[' . $_key . ']', $_value, $specialchar, $stripslashes); } } return $hidden_fields; } /** * Build simple hidden fields from array * * @param array $field_ary an array of values to build the hidden field from * @param bool $specialchar if true, keys and values get specialchared * @param bool $stripslashes if true, keys and values get stripslashed * * @return string the hidden fields */ function build_hidden_fields($field_ary, $specialchar = false, $stripslashes = false) { $s_hidden_fields = ''; foreach ($field_ary as $name => $vars) { $name = ($stripslashes) ? stripslashes($name) : $name; $name = ($specialchar) ? htmlspecialchars($name, ENT_COMPAT, 'UTF-8') : $name; $s_hidden_fields .= _build_hidden_fields($name, $vars, $specialchar, $stripslashes); } return $s_hidden_fields; } /** * Parse cfg file */ function parse_cfg_file($filename, $lines = false) { $parsed_items = array(); if ($lines === false) { $lines = file($filename); } foreach ($lines as $line) { $line = trim($line); if (!$line || $line[0] == '#' || ($delim_pos = strpos($line, '=')) === false) { continue; } // Determine first occurrence, since in values the equal sign is allowed $key = strtolower(trim(substr($line, 0, $delim_pos))); $value = trim(substr($line, $delim_pos + 1)); if (in_array($value, array('off', 'false', '0'))) { $value = false; } else if (in_array($value, array('on', 'true', '1'))) { $value = true; } else if (!trim($value)) { $value = ''; } else if (($value[0] == "'" && $value[sizeof($value) - 1] == "'") || ($value[0] == '"' && $value[sizeof($value) - 1] == '"')) { $value = substr($value, 1, sizeof($value)-2); } $parsed_items[$key] = $value; } return $parsed_items; } /** * Add log event */ function add_log() { global $db, $user; $args = func_get_args(); $mode = array_shift($args); $reportee_id = ($mode == 'user') ? intval(array_shift($args)) : ''; $forum_id = ($mode == 'mod') ? intval(array_shift($args)) : ''; $topic_id = ($mode == 'mod') ? intval(array_shift($args)) : ''; $action = array_shift($args); $data = (!sizeof($args)) ? '' : serialize($args); $sql_ary = array( 'user_id' => (empty($user->data)) ? ANONYMOUS : $user->data['user_id'], 'log_ip' => $user->ip, 'log_time' => time(), 'log_operation' => $action, 'log_data' => $data, ); switch ($mode) { case 'admin': $sql_ary['log_type'] = LOG_ADMIN; break; case 'mod': $sql_ary += array( 'log_type' => LOG_MOD, 'forum_id' => $forum_id, 'topic_id' => $topic_id ); break; case 'user': $sql_ary += array( 'log_type' => LOG_USERS, 'reportee_id' => $reportee_id ); break; case 'critical': $sql_ary['log_type'] = LOG_CRITICAL; break; default: return false; } $db->sql_query('INSERT INTO ' . LOG_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary)); return $db->sql_nextid(); } /** * Return a nicely formatted backtrace (parts from the php manual by diz at ysagoon dot com) */ function get_backtrace() { global $phpbb_root_path; $output = '
'; $backtrace = debug_backtrace(); $path = phpbb_realpath($phpbb_root_path); foreach ($backtrace as $number => $trace) { // We skip the first one, because it only shows this file/function if ($number == 0) { continue; } // Strip the current directory from path if (empty($trace['file'])) { $trace['file'] = ''; } else { $trace['file'] = str_replace(array($path, '\\'), array('', '/'), $trace['file']); $trace['file'] = substr($trace['file'], 1); } $args = array(); // If include/require/include_once is not called, do not show arguments - they may contain sensible information if (!in_array($trace['function'], array('include', 'require', 'include_once'))) { unset($trace['args']); } else { // Path... if (!empty($trace['args'][0])) { $argument = htmlspecialchars($trace['args'][0]); $argument = str_replace(array($path, '\\'), array('', '/'), $argument); $argument = substr($argument, 1); $args[] = "'{$argument}'"; } } $trace['class'] = (!isset($trace['class'])) ? '' : $trace['class']; $trace['type'] = (!isset($trace['type'])) ? '' : $trace['type']; $output .= '
'; $output .= 'FILE: ' . htmlspecialchars($trace['file']) . '
'; $output .= 'LINE: ' . ((!empty($trace['line'])) ? $trace['line'] : '') . '
'; $output .= 'CALL: ' . htmlspecialchars($trace['class'] . $trace['type'] . $trace['function']) . '(' . ((sizeof($args)) ? implode(', ', $args) : '') . ')
'; } $output .= '
'; return $output; } /** * This function returns a regular expression pattern for commonly used expressions * Use with / as delimiter for email mode and # for url modes * mode can be: email|bbcode_htm|url|url_inline|www_url|www_url_inline|relative_url|relative_url_inline|ipv4|ipv6 */ function get_preg_expression($mode) { switch ($mode) { case 'email': return '(?:[a-z0-9\'\.\-_\+\|]++|&)+@[a-z0-9\-]+\.(?:[a-z0-9\-]+\.)*[a-z]+'; break; case 'bbcode_htm': return array( '#.*?#', '#.*?#', '#.*?#', '#[phpBB Debug] PHP Notice: in file ' . $errfile . ' on line ' . $errline . ': ' . $msg_text . '
' . "\n"; } return; break; case E_USER_ERROR: if (!empty($user) && !empty($user->lang)) { $msg_text = (!empty($user->lang[$msg_text])) ? $user->lang[$msg_text] : $msg_text; $msg_title = (!isset($msg_title)) ? $user->lang['GENERAL_ERROR'] : ((!empty($user->lang[$msg_title])) ? $user->lang[$msg_title] : $msg_title); $l_return_index = sprintf($user->lang['RETURN_INDEX'], '', ''); $l_notify = ''; if (!empty($config['board_contact'])) { $l_notify = '

' . sprintf($user->lang['NOTIFY_ADMIN_EMAIL'], $config['board_contact']) . '

'; } } else { $msg_title = 'General Error'; $l_return_index = 'Return to index page'; $l_notify = ''; if (!empty($config['board_contact'])) { $l_notify = '

Please notify the board administrator or webmaster: ' . $config['board_contact'] . '

'; } } garbage_collection(); // Try to not call the adm page data... echo ''; echo ''; echo ''; echo ''; echo '' . $msg_title . ''; echo ''; echo ''; echo ''; echo '
'; echo ' '; echo '
'; echo '
'; echo '
'; echo '

' . $msg_title . '

'; echo '
' . $msg_text . '
'; echo $l_notify; echo '
'; echo '
'; echo '
'; echo ' '; echo '
'; echo ''; echo ''; exit_handler(); // On a fatal error (and E_USER_ERROR *is* fatal) we never want other scripts to continue and force an exit here. exit; break; case E_USER_WARNING: case E_USER_NOTICE: define('IN_ERROR_HANDLER', true); if (empty($user->data)) { $user->session_begin(); } // We re-init the auth array to get correct results on login/logout $auth->acl($user->data); if (empty($user->lang)) { $user->setup(); } $msg_text = (!empty($user->lang[$msg_text])) ? $user->lang[$msg_text] : $msg_text; $msg_title = (!isset($msg_title)) ? $user->lang['INFORMATION'] : ((!empty($user->lang[$msg_title])) ? $user->lang[$msg_title] : $msg_title); if (!defined('HEADER_INC')) { if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin']) { adm_page_header($msg_title); } else { page_header($msg_title); } } $template->set_filenames(array( 'body' => 'message_body.html') ); $template->assign_vars(array( 'MESSAGE_TITLE' => $msg_title, 'MESSAGE_TEXT' => $msg_text, 'S_USER_WARNING' => ($errno == E_USER_WARNING) ? true : false, 'S_USER_NOTICE' => ($errno == E_USER_NOTICE) ? true : false) ); // We do not want the cron script to be called on error messages define('IN_CRON', true); if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin']) { adm_page_footer(); } else { page_footer(); } exit_handler(); break; } // If we notice an error not handled here we pass this back to PHP by returning false // This may not work for all php versions return false; } /** * Queries the session table to get information about online guests * @param int $forum_id Limits the search to the forum with this id * @return int The number of active distinct guest sessions */ function obtain_guest_count($forum_id = 0) { global $db, $config; if ($forum_id) { $reading_sql = ' AND s.session_forum_id = ' . (int) $forum_id; } else { $reading_sql = ''; } $time = (time() - (intval($config['load_online_time']) * 60)); // Get number of online guests if ($db->sql_layer === 'sqlite') { $sql = 'SELECT COUNT(session_ip) as num_guests FROM ( SELECT DISTINCT s.session_ip FROM ' . SESSIONS_TABLE . ' s WHERE s.session_user_id = ' . ANONYMOUS . ' AND s.session_time >= ' . ($time - ((int) ($time % 60))) . $reading_sql . ')'; } else { $sql = 'SELECT COUNT(DISTINCT s.session_ip) as num_guests FROM ' . SESSIONS_TABLE . ' s WHERE s.session_user_id = ' . ANONYMOUS . ' AND s.session_time >= ' . ($time - ((int) ($time % 60))) . $reading_sql; } $result = $db->sql_query($sql, 60); $guests_online = (int) $db->sql_fetchfield('num_guests'); $db->sql_freeresult($result); return $guests_online; } /** * Queries the session table to get information about online users * @param int $forum_id Limits the search to the forum with this id * @return array An array containing the ids of online, hidden and visible users, as well as statistical info */ function obtain_users_online($forum_id = 0) { global $db, $config, $user; $reading_sql = ''; if ($forum_id !== 0) { $reading_sql = ' AND s.session_forum_id = ' . (int) $forum_id; } $online_users = array( 'online_users' => array(), 'hidden_users' => array(), 'total_online' => 0, 'visible_online' => 0, 'hidden_online' => 0, 'guests_online' => 0, ); if ($config['load_online_guests']) { $online_users['guests_online'] = obtain_guest_count($forum_id); } // a little discrete magic to cache this for 30 seconds $time = (time() - (intval($config['load_online_time']) * 60)); $sql = 'SELECT s.session_user_id, s.session_ip, s.session_viewonline FROM ' . SESSIONS_TABLE . ' s WHERE s.session_time >= ' . ($time - ((int) ($time % 30))) . $reading_sql . ' AND s.session_user_id <> ' . ANONYMOUS; $result = $db->sql_query($sql); while ($row = $db->sql_fetchrow($result)) { // Skip multiple sessions for one user if (!isset($online_users['online_users'][$row['session_user_id']])) { $online_users['online_users'][$row['session_user_id']] = (int) $row['session_user_id']; if ($row['session_viewonline']) { $online_users['visible_online']++; } else { $online_users['hidden_users'][$row['session_user_id']] = (int) $row['session_user_id']; $online_users['hidden_online']++; } } } $online_users['total_online'] = $online_users['guests_online'] + $online_users['visible_online'] + $online_users['hidden_online']; $db->sql_freeresult($result); return $online_users; } /** * Uses the result of obtain_users_online to generate a localized, readable representation. * @param mixed $online_users result of obtain_users_online - array with user_id lists for total, hidden and visible users, and statistics * @param int $forum_id Indicate that the data is limited to one forum and not global. * @return array An array containing the string for output to the template */ function obtain_users_online_string($online_users, $forum_id = 0) { global $config, $db, $user, $auth; $user_online_link = $online_userlist = ''; if (sizeof($online_users['online_users'])) { $sql = 'SELECT username, username_clean, user_id, user_type, user_allow_viewonline, user_colour FROM ' . USERS_TABLE . ' WHERE ' . $db->sql_in_set('user_id', $online_users['online_users']) . ' ORDER BY username_clean ASC'; $result = $db->sql_query($sql); while ($row = $db->sql_fetchrow($result)) { // User is logged in and therefore not a guest if ($row['user_id'] != ANONYMOUS) { if (isset($online_users['hidden_users'][$row['user_id']])) { $row['username'] = '' . $row['username'] . ''; } if (!isset($online_users['hidden_users'][$row['user_id']]) || $auth->acl_get('u_viewonline')) { $user_online_link = get_username_string(($row['user_type'] <> USER_IGNORE) ? 'full' : 'no_profile', $row['user_id'], $row['username'], $row['user_colour']); $online_userlist .= ($online_userlist != '') ? ', ' . $user_online_link : $user_online_link; } } } $db->sql_freeresult($result); } if (!$online_userlist) { $online_userlist = $user->lang['NO_ONLINE_USERS']; } if ($forum_id === 0) { $online_userlist = $user->lang['REGISTERED_USERS'] . ' ' . $online_userlist; } else if ($config['load_online_guests']) { $l_online = ($online_users['guests_online'] === 1) ? $user->lang['BROWSING_FORUM_GUEST'] : $user->lang['BROWSING_FORUM_GUESTS']; $online_userlist = sprintf($l_online, $online_userlist, $online_users['guests_online']); } else { $online_userlist = sprintf($user->lang['BROWSING_FORUM'], $online_userlist); } // Build online listing $vars_online = array( 'ONLINE' => array('total_online', 'l_t_user_s', 0), 'REG' => array('visible_online', 'l_r_user_s', !$config['load_online_guests']), 'HIDDEN' => array('hidden_online', 'l_h_user_s', $config['load_online_guests']), 'GUEST' => array('guests_online', 'l_g_user_s', 0) ); foreach ($vars_online as $l_prefix => $var_ary) { if ($var_ary[2]) { $l_suffix = '_AND'; } else { $l_suffix = ''; } switch ($online_users[$var_ary[0]]) { case 0: ${$var_ary[1]} = $user->lang[$l_prefix . '_USERS_ZERO_TOTAL' . $l_suffix]; break; case 1: ${$var_ary[1]} = $user->lang[$l_prefix . '_USER_TOTAL' . $l_suffix]; break; default: ${$var_ary[1]} = $user->lang[$l_prefix . '_USERS_TOTAL' . $l_suffix]; break; } } unset($vars_online); $l_online_users = sprintf($l_t_user_s, $online_users['total_online']); $l_online_users .= sprintf($l_r_user_s, $online_users['visible_online']); $l_online_users .= sprintf($l_h_user_s, $online_users['hidden_online']); if ($config['load_online_guests']) { $l_online_users .= sprintf($l_g_user_s, $online_users['guests_online']); } return array( 'online_userlist' => $online_userlist, 'l_online_users' => $l_online_users, ); } /** * Generate page header */ function page_header($page_title = '', $display_online_list = true) { global $db, $config, $template, $SID, $_SID, $user, $auth, $phpEx, $phpbb_root_path; if (defined('HEADER_INC')) { return; } define('HEADER_INC', true); // gzip_compression if ($config['gzip_compress']) { if (@extension_loaded('zlib') && !headers_sent()) { ob_start('ob_gzhandler'); } } // Generate logged in/logged out status if ($user->data['user_id'] != ANONYMOUS) { $u_login_logout = append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=logout', true, $user->session_id); $l_login_logout = sprintf($user->lang['LOGOUT_USER'], $user->data['username']); } else { $u_login_logout = append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=login'); $l_login_logout = $user->lang['LOGIN']; } // Last visit date/time $s_last_visit = ($user->data['user_id'] != ANONYMOUS) ? $user->format_date($user->data['session_last_visit']) : ''; // Get users online list ... if required $l_online_users = $online_userlist = $l_online_record = ''; if ($config['load_online'] && $config['load_online_time'] && $display_online_list) { $f = request_var('f', 0); $f = max($f, 0); $online_users = obtain_users_online($f); $user_online_strings = obtain_users_online_string($online_users, $f); $l_online_users = $user_online_strings['l_online_users']; $online_userlist = $user_online_strings['online_userlist']; $total_online_users = $online_users['total_online']; if ($total_online_users > $config['record_online_users']) { set_config('record_online_users', $total_online_users, true); set_config('record_online_date', time(), true); } $l_online_record = sprintf($user->lang['RECORD_ONLINE_USERS'], $config['record_online_users'], $user->format_date($config['record_online_date'])); $l_online_time = ($config['load_online_time'] == 1) ? 'VIEW_ONLINE_TIME' : 'VIEW_ONLINE_TIMES'; $l_online_time = sprintf($user->lang[$l_online_time], $config['load_online_time']); } else { $l_online_time = ''; } $l_privmsgs_text = $l_privmsgs_text_unread = ''; $s_privmsg_new = false; // Obtain number of new private messages if user is logged in if (!empty($user->data['is_registered'])) { if ($user->data['user_new_privmsg']) { $l_message_new = ($user->data['user_new_privmsg'] == 1) ? $user->lang['NEW_PM'] : $user->lang['NEW_PMS']; $l_privmsgs_text = sprintf($l_message_new, $user->data['user_new_privmsg']); if (!$user->data['user_last_privmsg'] || $user->data['user_last_privmsg'] > $user->data['session_last_visit']) { $sql = 'UPDATE ' . USERS_TABLE . ' SET user_last_privmsg = ' . $user->data['session_last_visit'] . ' WHERE user_id = ' . $user->data['user_id']; $db->sql_query($sql); $s_privmsg_new = true; } else { $s_privmsg_new = false; } } else { $l_privmsgs_text = $user->lang['NO_NEW_PM']; $s_privmsg_new = false; } $l_privmsgs_text_unread = ''; if ($user->data['user_unread_privmsg'] && $user->data['user_unread_privmsg'] != $user->data['user_new_privmsg']) { $l_message_unread = ($user->data['user_unread_privmsg'] == 1) ? $user->lang['UNREAD_PM'] : $user->lang['UNREAD_PMS']; $l_privmsgs_text_unread = sprintf($l_message_unread, $user->data['user_unread_privmsg']); } } // Which timezone? $tz = ($user->data['user_id'] != ANONYMOUS) ? strval(doubleval($user->data['user_timezone'])) : strval(doubleval($config['board_timezone'])); // Send a proper content-language to the output $user_lang = $user->lang['USER_LANG']; if (strpos($user_lang, '-x-') !== false) { $user_lang = substr($user_lang, 0, strpos($user_lang, '-x-')); } // The following assigns all _common_ variables that may be used at any point in a template. $template->assign_vars(array( 'SITENAME' => $config['sitename'], 'SITE_DESCRIPTION' => $config['site_desc'], 'PAGE_TITLE' => $page_title, 'SCRIPT_NAME' => str_replace('.' . $phpEx, '', $user->page['page_name']), 'LAST_VISIT_DATE' => sprintf($user->lang['YOU_LAST_VISIT'], $s_last_visit), 'LAST_VISIT_YOU' => $s_last_visit, 'CURRENT_TIME' => sprintf($user->lang['CURRENT_TIME'], $user->format_date(time(), false, true)), 'TOTAL_USERS_ONLINE' => $l_online_users, 'LOGGED_IN_USER_LIST' => $online_userlist, 'RECORD_USERS' => $l_online_record, 'PRIVATE_MESSAGE_INFO' => $l_privmsgs_text, 'PRIVATE_MESSAGE_INFO_UNREAD' => $l_privmsgs_text_unread, 'S_USER_NEW_PRIVMSG' => $user->data['user_new_privmsg'], 'S_USER_UNREAD_PRIVMSG' => $user->data['user_unread_privmsg'], 'SID' => $SID, '_SID' => $_SID, 'SESSION_ID' => $user->session_id, 'ROOT_PATH' => $phpbb_root_path, 'L_LOGIN_LOGOUT' => $l_login_logout, 'L_INDEX' => $user->lang['FORUM_INDEX'], 'L_ONLINE_EXPLAIN' => $l_online_time, 'U_PRIVATEMSGS' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&folder=inbox'), 'U_RETURN_INBOX' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&folder=inbox'), 'U_POPUP_PM' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&mode=popup'), 'UA_POPUP_PM' => addslashes(append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&mode=popup')), 'U_MEMBERLIST' => append_sid("{$phpbb_root_path}memberlist.$phpEx"), 'U_VIEWONLINE' => ($auth->acl_gets('u_viewprofile', 'a_user', 'a_useradd', 'a_userdel')) ? append_sid("{$phpbb_root_path}viewonline.$phpEx") : '', 'U_LOGIN_LOGOUT' => $u_login_logout, 'U_INDEX' => append_sid("{$phpbb_root_path}index.$phpEx"), 'U_SEARCH' => append_sid("{$phpbb_root_path}search.$phpEx"), 'U_REGISTER' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=register'), 'U_PROFILE' => append_sid("{$phpbb_root_path}ucp.$phpEx"), 'U_MODCP' => append_sid("{$phpbb_root_path}mcp.$phpEx", false, true, $user->session_id), 'U_FAQ' => append_sid("{$phpbb_root_path}faq.$phpEx"), 'U_SEARCH_SELF' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=egosearch'), 'U_SEARCH_NEW' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=newposts'), 'U_SEARCH_UNANSWERED' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=unanswered'), 'U_SEARCH_ACTIVE_TOPICS'=> append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=active_topics'), 'U_DELETE_COOKIES' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=delete_cookies'), 'U_TEAM' => ($user->data['user_id'] != ANONYMOUS && !$auth->acl_get('u_viewprofile')) ? '' : append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=leaders'), 'U_RESTORE_PERMISSIONS' => ($user->data['user_perm_from'] && $auth->acl_get('a_switchperm')) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=restore_perm') : '', 'S_USER_LOGGED_IN' => ($user->data['user_id'] != ANONYMOUS) ? true : false, 'S_AUTOLOGIN_ENABLED' => ($config['allow_autologin']) ? true : false, 'S_BOARD_DISABLED' => ($config['board_disable']) ? true : false, 'S_REGISTERED_USER' => (!empty($user->data['is_registered'])) ? true : false, 'S_IS_BOT' => (!empty($user->data['is_bot'])) ? true : false, 'S_USER_PM_POPUP' => $user->optionget('popuppm'), 'S_USER_LANG' => $user_lang, 'S_USER_BROWSER' => (isset($user->data['session_browser'])) ? $user->data['session_browser'] : $user->lang['UNKNOWN_BROWSER'], 'S_USERNAME' => $user->data['username'], 'S_CONTENT_DIRECTION' => $user->lang['DIRECTION'], 'S_CONTENT_FLOW_BEGIN' => ($user->lang['DIRECTION'] == 'ltr') ? 'left' : 'right', 'S_CONTENT_FLOW_END' => ($user->lang['DIRECTION'] == 'ltr') ? 'right' : 'left', 'S_CONTENT_ENCODING' => 'UTF-8', 'S_TIMEZONE' => ($user->data['user_dst'] || ($user->data['user_id'] == ANONYMOUS && $config['board_dst'])) ? sprintf($user->lang['ALL_TIMES'], $user->lang['tz'][$tz], $user->lang['tz']['dst']) : sprintf($user->lang['ALL_TIMES'], $user->lang['tz'][$tz], ''), 'S_DISPLAY_ONLINE_LIST' => ($l_online_time) ? 1 : 0, 'S_DISPLAY_SEARCH' => (!$config['load_search']) ? 0 : (isset($auth) ? ($auth->acl_get('u_search') && $auth->acl_getf_global('f_search')) : 1), 'S_DISPLAY_PM' => ($config['allow_privmsg'] && !empty($user->data['is_registered']) && ($auth->acl_get('u_readpm') || $auth->acl_get('u_sendpm'))) ? true : false, 'S_DISPLAY_MEMBERLIST' => (isset($auth)) ? $auth->acl_get('u_viewprofile') : 0, 'S_NEW_PM' => ($s_privmsg_new) ? 1 : 0, 'S_REGISTER_ENABLED' => ($config['require_activation'] != USER_ACTIVATION_DISABLE) ? true : false, 'T_THEME_PATH' => "{$phpbb_root_path}styles/" . $user->theme['theme_path'] . '/theme', 'T_TEMPLATE_PATH' => "{$phpbb_root_path}styles/" . $user->theme['template_path'] . '/template', 'T_SUPER_TEMPLATE_PATH' => (isset($user->theme['template_inherit_path']) && $user->theme['template_inherit_path']) ? "{$phpbb_root_path}styles/" . $user->theme['template_inherit_path'] . '/template' : "{$phpbb_root_path}styles/" . $user->theme['template_path'] . '/template', 'T_IMAGESET_PATH' => "{$phpbb_root_path}styles/" . $user->theme['imageset_path'] . '/imageset', 'T_IMAGESET_LANG_PATH' => "{$phpbb_root_path}styles/" . $user->theme['imageset_path'] . '/imageset/' . $user->data['user_lang'], 'T_IMAGES_PATH' => "{$phpbb_root_path}images/", 'T_SMILIES_PATH' => "{$phpbb_root_path}{$config['smilies_path']}/", 'T_AVATAR_PATH' => "{$phpbb_root_path}{$config['avatar_path']}/", 'T_AVATAR_GALLERY_PATH' => "{$phpbb_root_path}{$config['avatar_gallery_path']}/", 'T_ICONS_PATH' => "{$phpbb_root_path}{$config['icons_path']}/", 'T_RANKS_PATH' => "{$phpbb_root_path}{$config['ranks_path']}/", 'T_UPLOAD_PATH' => "{$phpbb_root_path}{$config['upload_path']}/", 'T_STYLESHEET_LINK' => (!$user->theme['theme_storedb']) ? "{$phpbb_root_path}styles/" . $user->theme['theme_path'] . '/theme/stylesheet.css' : "{$phpbb_root_path}style.$phpEx?sid=$user->session_id&id=" . $user->theme['style_id'] . '&lang=' . $user->data['user_lang'], 'T_STYLESHEET_NAME' => $user->theme['theme_name'], 'SITE_LOGO_IMG' => $user->img('site_logo'), 'A_COOKIE_SETTINGS' => addslashes('; path=' . $config['cookie_path'] . ((!$config['cookie_domain'] || $config['cookie_domain'] == 'localhost' || $config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . $config['cookie_domain']) . ((!$config['cookie_secure']) ? '' : '; secure')), )); // application/xhtml+xml not used because of IE header('Content-type: text/html; charset=UTF-8'); header('Cache-Control: private, no-cache="set-cookie"'); header('Expires: 0'); header('Pragma: no-cache'); return; } /** * Generate page footer */ function page_footer($run_cron = true) { global $db, $config, $template, $user, $auth, $cache, $starttime, $phpbb_root_path, $phpEx; // Output page creation time if (defined('DEBUG')) { $mtime = explode(' ', microtime()); $totaltime = $mtime[0] + $mtime[1] - $starttime; if (!empty($_REQUEST['explain']) && $auth->acl_get('a_') && defined('DEBUG_EXTRA') && method_exists($db, 'sql_report')) { $db->sql_report('display'); } $debug_output = sprintf('Time : %.3fs | ' . $db->sql_num_queries() . ' Queries | GZIP : ' . (($config['gzip_compress']) ? 'On' : 'Off') . (($user->load) ? ' | Load : ' . $user->load : ''), $totaltime); if ($auth->acl_get('a_') && defined('DEBUG_EXTRA')) { if (function_exists('memory_get_usage')) { if ($memory_usage = memory_get_usage()) { global $base_memory_usage; $memory_usage -= $base_memory_usage; $memory_usage = get_formatted_filesize($memory_usage); $debug_output .= ' | Memory Usage: ' . $memory_usage; } } $debug_output .= ' | Explain'; } } $template->assign_vars(array( 'DEBUG_OUTPUT' => (defined('DEBUG')) ? $debug_output : '', 'TRANSLATION_INFO' => (!empty($user->lang['TRANSLATION_INFO'])) ? $user->lang['TRANSLATION_INFO'] : '', 'U_ACP' => ($auth->acl_get('a_') && !empty($user->data['is_registered'])) ? append_sid("{$phpbb_root_path}adm/index.$phpEx", false, true, $user->session_id) : '') ); // Call cron-type script if (!defined('IN_CRON') && $run_cron && !$config['board_disable']) { $cron_type = ''; if (time() - $config['queue_interval'] > $config['last_queue_run'] && !defined('IN_ADMIN') && file_exists($phpbb_root_path . 'cache/queue.' . $phpEx)) { // Process email queue $cron_type = 'queue'; } else if (method_exists($cache, 'tidy') && time() - $config['cache_gc'] > $config['cache_last_gc']) { // Tidy the cache $cron_type = 'tidy_cache'; } else if (time() - $config['warnings_gc'] > $config['warnings_last_gc']) { $cron_type = 'tidy_warnings'; } else if (time() - $config['database_gc'] > $config['database_last_gc']) { // Tidy the database $cron_type = 'tidy_database'; } else if (time() - $config['search_gc'] > $config['search_last_gc']) { // Tidy the search $cron_type = 'tidy_search'; } else if (time() - $config['session_gc'] > $config['session_last_gc']) { $cron_type = 'tidy_sessions'; } if ($cron_type) { $template->assign_var('RUN_CRON_TASK', 'cron'); } } $template->display('body'); garbage_collection(); exit_handler(); } /** * Closing the cache object and the database * Cool function name, eh? We might want to add operations to it later */ function garbage_collection() { global $cache, $db; // Unload cache, must be done before the DB connection if closed if (!empty($cache)) { $cache->unload(); } // Close our DB connection. if (!empty($db)) { $db->sql_close(); } } /** * Handler for exit calls in phpBB. * This function supports hooks. * * Note: This function is called after the template has been outputted. */ function exit_handler() { global $phpbb_hook, $config; if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__)) { if ($phpbb_hook->hook_return(__FUNCTION__)) { return $phpbb_hook->hook_return_result(__FUNCTION__); } } // As a pre-caution... some setups display a blank page if the flush() is not there. (empty($config['gzip_compress'])) ? @flush() : @ob_flush(); exit; } /** * Handler for init calls in phpBB. This function is called in user::setup(); * This function supports hooks. */ function phpbb_user_session_handler() { global $phpbb_hook; if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__)) { if ($phpbb_hook->hook_return(__FUNCTION__)) { return $phpbb_hook->hook_return_result(__FUNCTION__); } } return; } ?>