intval($matches[1]), 'password_hash' => $matches[2], 'expiration_time' => intval($matches[3]), 'cookie_hash' => $matches[4], ); } // If it has a non-guest user, and hasn't expired if (isset($cookie) && $cookie['user_id'] > 1 && $cookie['expiration_time'] > $now) { // If the cookie has been tampered with $is_authorized = pun_hash_equals(forum_hmac($cookie['user_id'].'|'.$cookie['expiration_time'], $cookie_seed.'_cookie_hash'), $cookie['cookie_hash']); if (!$is_authorized) { $expire = $now + 31536000; // The cookie expires after a year pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire); set_default_user(); return; } // Check if there's a user with the user ID and password hash from the cookie $result = $db->query('SELECT u.*, g.*, o.logged, o.idle FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON u.group_id=g.g_id LEFT JOIN '.$db->prefix.'online AS o ON o.user_id=u.id WHERE u.id='.intval($cookie['user_id'])) or error('Unable to fetch user information', __FILE__, __LINE__, $db->error()); $pun_user = $db->fetch_assoc($result); // If user authorisation failed $is_authorized = pun_hash_equals(forum_hmac($pun_user['password'], $cookie_seed.'_password_hash'), $cookie['password_hash']); if (!isset($pun_user['id']) || !$is_authorized) { $expire = $now + 31536000; // The cookie expires after a year pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire); set_default_user(); return; } // Send a new, updated cookie with a new expiration timestamp $expire = ($cookie['expiration_time'] > $now + $pun_config['o_timeout_visit']) ? $now + 1209600 : $now + $pun_config['o_timeout_visit']; pun_setcookie($pun_user['id'], $pun_user['password'], $expire); // Set a default language if the user selected language no longer exists if (!file_exists(PUN_ROOT.'lang/'.$pun_user['language'])) $pun_user['language'] = $pun_config['o_default_lang']; // Set a default style if the user selected style no longer exists if (!file_exists(PUN_ROOT.'style/'.$pun_user['style'].'.css')) $pun_user['style'] = $pun_config['o_default_style']; if (!$pun_user['disp_topics']) $pun_user['disp_topics'] = $pun_config['o_disp_topics_default']; if (!$pun_user['disp_posts']) $pun_user['disp_posts'] = $pun_config['o_disp_posts_default']; // Define this if you want this visit to affect the online list and the users last visit data if (!defined('PUN_QUIET_VISIT')) { // Update the online list if (!$pun_user['logged']) { $pun_user['logged'] = $now; // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table switch ($db_type) { case 'mysql': case 'mysqli': case 'mysql_innodb': case 'mysqli_innodb': case 'sqlite': $db->query('REPLACE INTO '.$db->prefix.'online (user_id, ident, logged) VALUES('.$pun_user['id'].', \''.$db->escape($pun_user['username']).'\', '.$pun_user['logged'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); break; default: $db->query('INSERT INTO '.$db->prefix.'online (user_id, ident, logged) SELECT '.$pun_user['id'].', \''.$db->escape($pun_user['username']).'\', '.$pun_user['logged'].' WHERE NOT EXISTS (SELECT 1 FROM '.$db->prefix.'online WHERE user_id='.$pun_user['id'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); break; } // Reset tracked topics set_tracked_topics(null); } else { // Special case: We've timed out, but no other user has browsed the forums since we timed out if ($pun_user['logged'] < ($now-$pun_config['o_timeout_visit'])) { $db->query('UPDATE '.$db->prefix.'users SET last_visit='.$pun_user['logged'].' WHERE id='.$pun_user['id']) or error('Unable to update user visit data', __FILE__, __LINE__, $db->error()); $pun_user['last_visit'] = $pun_user['logged']; } $idle_sql = ($pun_user['idle'] == '1') ? ', idle=0' : ''; $db->query('UPDATE '.$db->prefix.'online SET logged='.$now.$idle_sql.' WHERE user_id='.$pun_user['id']) or error('Unable to update online list', __FILE__, __LINE__, $db->error()); // Update tracked topics with the current expire time if (isset($_COOKIE[$cookie_name.'_track'])) forum_setcookie($cookie_name.'_track', $_COOKIE[$cookie_name.'_track'], $now + $pun_config['o_timeout_visit']); } } else { if (!$pun_user['logged']) $pun_user['logged'] = $pun_user['last_visit']; } $pun_user['is_guest'] = false; $pun_user['is_admmod'] = $pun_user['g_id'] == PUN_ADMIN || $pun_user['g_moderator'] == '1'; } else set_default_user(); } // // Converts the CDATA end sequence ]]> into ]]> // function escape_cdata($str) { return str_replace(']]>', ']]>', $str); } // // Authenticates the provided username and password against the user database // $user can be either a user ID (integer) or a username (string) // $password can be either a plaintext password or a password hash including salt ($password_is_hash must be set accordingly) // function authenticate_user($user, $password, $password_is_hash = false) { global $db, $pun_user; // Check if there's a user matching $user and $password $result = $db->query('SELECT u.*, g.*, o.logged, o.idle FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON g.g_id=u.group_id LEFT JOIN '.$db->prefix.'online AS o ON o.user_id=u.id WHERE '.(is_int($user) ? 'u.id='.intval($user) : 'u.username=\''.$db->escape($user).'\'')) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error()); $pun_user = $db->fetch_assoc($result); $is_password_authorized = pun_hash_equals($password, $pun_user['password']); $is_hash_authorized = pun_hash_equals(pun_hash($password), $pun_user['password']); if (!isset($pun_user['id']) || ($password_is_hash && !$is_password_authorized || (!$password_is_hash && !$is_hash_authorized))) set_default_user(); else $pun_user['is_guest'] = false; } // // Try to determine the current URL // function get_current_url($max_length = 0) { $protocol = get_current_protocol(); $port = (isset($_SERVER['SERVER_PORT']) && (($_SERVER['SERVER_PORT'] != '80' && $protocol == 'http') || ($_SERVER['SERVER_PORT'] != '443' && $protocol == 'https')) && strpos($_SERVER['HTTP_HOST'], ':') === false) ? ':'.$_SERVER['SERVER_PORT'] : ''; $url = urldecode($protocol.'://'.$_SERVER['HTTP_HOST'].$port.$_SERVER['REQUEST_URI']); if (strlen($url) <= $max_length || $max_length == 0) return $url; // We can't find a short enough url return null; } // // Fetch the current protocol in use - http or https // function get_current_protocol() { $protocol = 'http'; // Check if the server is claiming to using HTTPS if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') $protocol = 'https'; // If we are behind a reverse proxy try to decide which protocol it is using if (defined('FORUM_BEHIND_REVERSE_PROXY')) { // Check if we are behind a Microsoft based reverse proxy if (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) != 'off') $protocol = 'https'; // Check if we're behind a "proper" reverse proxy, and what protocol it's using if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) $protocol = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']); } return $protocol; } // // Fetch the base_url, optionally support HTTPS and HTTP // function get_base_url($support_https = false) { global $pun_config; static $base_url; if (!$support_https) return $pun_config['o_base_url']; if (!isset($base_url)) { // Make sure we are using the correct protocol $base_url = str_replace(array('http://', 'https://'), get_current_protocol().'://', $pun_config['o_base_url']); } return $base_url; } // // Fetch admin IDs // function get_admin_ids() { if (file_exists(FORUM_CACHE_DIR.'cache_admins.php')) include FORUM_CACHE_DIR.'cache_admins.php'; if (!defined('PUN_ADMINS_LOADED')) { if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) require PUN_ROOT.'include/cache.php'; generate_admins_cache(); require FORUM_CACHE_DIR.'cache_admins.php'; } return $pun_admins; } // // Fill $pun_user with default values (for guests) // function set_default_user() { global $db, $db_type, $pun_user, $pun_config; $remote_addr = get_remote_address(); // Fetch guest user $result = $db->query('SELECT u.*, g.*, o.logged, o.last_post, o.last_search FROM '.$db->prefix.'users AS u INNER JOIN '.$db->prefix.'groups AS g ON u.group_id=g.g_id LEFT JOIN '.$db->prefix.'online AS o ON o.ident=\''.$db->escape($remote_addr).'\' WHERE u.id=1') or error('Unable to fetch guest information', __FILE__, __LINE__, $db->error()); if (!$db->num_rows($result)) exit('Unable to fetch guest information. Your database must contain both a guest user and a guest user group.'); $pun_user = $db->fetch_assoc($result); // Update online list if (!$pun_user['logged']) { $pun_user['logged'] = time(); // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table switch ($db_type) { case 'mysql': case 'mysqli': case 'mysql_innodb': case 'mysqli_innodb': case 'sqlite': $db->query('REPLACE INTO '.$db->prefix.'online (user_id, ident, logged) VALUES(1, \''.$db->escape($remote_addr).'\', '.$pun_user['logged'].')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); break; default: $db->query('INSERT INTO '.$db->prefix.'online (user_id, ident, logged) SELECT 1, \''.$db->escape($remote_addr).'\', '.$pun_user['logged'].' WHERE NOT EXISTS (SELECT 1 FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($remote_addr).'\')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); break; } } else $db->query('UPDATE '.$db->prefix.'online SET logged='.time().' WHERE ident=\''.$db->escape($remote_addr).'\'') or error('Unable to update online list', __FILE__, __LINE__, $db->error()); $pun_user['disp_topics'] = $pun_config['o_disp_topics_default']; $pun_user['disp_posts'] = $pun_config['o_disp_posts_default']; $pun_user['timezone'] = $pun_config['o_default_timezone']; $pun_user['dst'] = $pun_config['o_default_dst']; $pun_user['language'] = $pun_config['o_default_lang']; $pun_user['style'] = $pun_config['o_default_style']; $pun_user['is_guest'] = true; $pun_user['is_admmod'] = false; } // // SHA1 HMAC with PHP 4 fallback // function forum_hmac($data, $key, $raw_output = false) { if (function_exists('hash_hmac')) return hash_hmac('sha1', $data, $key, $raw_output); // If key size more than blocksize then we hash it once if (strlen($key) > 64) $key = pack('H*', sha1($key)); // we have to use raw output here to match the standard // Ensure we're padded to exactly one block boundary $key = str_pad($key, 64, chr(0x00)); $hmac_opad = str_repeat(chr(0x5C), 64); $hmac_ipad = str_repeat(chr(0x36), 64); // Do inner and outer padding for ($i = 0;$i < 64;$i++) { $hmac_opad[$i] = $hmac_opad[$i] ^ $key[$i]; $hmac_ipad[$i] = $hmac_ipad[$i] ^ $key[$i]; } // Finally, calculate the HMAC $hash = sha1($hmac_opad.pack('H*', sha1($hmac_ipad.$data))); // If we want raw output then we need to pack the final result if ($raw_output) $hash = pack('H*', $hash); return $hash; } // // Set a cookie, FluxBB style! // Wrapper for forum_setcookie // function pun_setcookie($user_id, $password_hash, $expire) { global $cookie_name, $cookie_seed; forum_setcookie($cookie_name, $user_id.'|'.forum_hmac($password_hash, $cookie_seed.'_password_hash').'|'.$expire.'|'.forum_hmac($user_id.'|'.$expire, $cookie_seed.'_cookie_hash'), $expire); } // // Set a cookie, FluxBB style! // function forum_setcookie($name, $value, $expire) { global $cookie_path, $cookie_domain, $cookie_secure, $pun_config; if ($expire - time() - $pun_config['o_timeout_visit'] < 1) $expire = 0; // Enable sending of a P3P header header('P3P: CP="CUR ADM"'); if (version_compare(PHP_VERSION, '5.2.0', '>=')) setcookie($name, $value, $expire, $cookie_path, $cookie_domain, $cookie_secure, true); else setcookie($name, $value, $expire, $cookie_path.'; HttpOnly', $cookie_domain, $cookie_secure); } // // Check whether the connecting user is banned (and delete any expired bans while we're at it) // function check_bans() { global $db, $pun_config, $lang_common, $pun_user, $pun_bans; // Admins and moderators aren't affected if ($pun_user['is_admmod'] || !$pun_bans) return; // Add a dot or a colon (depending on IPv4/IPv6) at the end of the IP address to prevent banned address // 192.168.0.5 from matching e.g. 192.168.0.50 $user_ip = get_remote_address(); $user_ip .= (strpos($user_ip, '.') !== false) ? '.' : ':'; $bans_altered = false; $is_banned = false; foreach ($pun_bans as $cur_ban) { // Has this ban expired? if ($cur_ban['expire'] != '' && $cur_ban['expire'] <= time()) { $db->query('DELETE FROM '.$db->prefix.'bans WHERE id='.$cur_ban['id']) or error('Unable to delete expired ban', __FILE__, __LINE__, $db->error()); $bans_altered = true; continue; } if ($cur_ban['username'] != '' && utf8_strtolower($pun_user['username']) == utf8_strtolower($cur_ban['username'])) $is_banned = true; if ($cur_ban['ip'] != '') { $cur_ban_ips = explode(' ', $cur_ban['ip']); $num_ips = count($cur_ban_ips); for ($i = 0; $i < $num_ips; ++$i) { // Add the proper ending to the ban if (strpos($user_ip, '.') !== false) $cur_ban_ips[$i] = $cur_ban_ips[$i].'.'; else $cur_ban_ips[$i] = $cur_ban_ips[$i].':'; if (substr($user_ip, 0, strlen($cur_ban_ips[$i])) == $cur_ban_ips[$i]) { $is_banned = true; break; } } } if ($is_banned) { $db->query('DELETE FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($pun_user['username']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); message($lang_common['Ban message'].' '.(($cur_ban['expire'] != '') ? $lang_common['Ban message 2'].' '.strtolower(format_time($cur_ban['expire'], true)).'. ' : '').(($cur_ban['message'] != '') ? $lang_common['Ban message 3'].'

'.pun_htmlspecialchars($cur_ban['message']).'

' : '

').$lang_common['Ban message 4'].' '.pun_htmlspecialchars($pun_config['o_admin_email']).'.', true); } } // If we removed any expired bans during our run-through, we need to regenerate the bans cache if ($bans_altered) { if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) require PUN_ROOT.'include/cache.php'; generate_bans_cache(); } } // // Check username // function check_username($username, $exclude_id = null) { global $db, $pun_config, $errors, $lang_prof_reg, $lang_register, $lang_common, $pun_bans; // Include UTF-8 function require_once PUN_ROOT.'include/utf8/strcasecmp.php'; // Convert multiple whitespace characters into one (to prevent people from registering with indistinguishable usernames) $username = preg_replace('%\s+%s', ' ', $username); // Validate username if (pun_strlen($username) < 2) $errors[] = $lang_prof_reg['Username too short']; else if (pun_strlen($username) > 25) // This usually doesn't happen since the form element only accepts 25 characters $errors[] = $lang_prof_reg['Username too long']; else if (!strcasecmp($username, 'Guest') || !utf8_strcasecmp($username, $lang_common['Guest'])) $errors[] = $lang_prof_reg['Username guest']; else if (preg_match('%[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}%', $username) || preg_match('%((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))%', $username)) $errors[] = $lang_prof_reg['Username IP']; else if ((strpos($username, '[') !== false || strpos($username, ']') !== false) && strpos($username, '\'') !== false && strpos($username, '"') !== false) $errors[] = $lang_prof_reg['Username reserved chars']; else if (preg_match('%(?:\[/?(?:b|u|s|ins|del|em|i|h|colou?r|quote|code|img|url|email|list|\*|topic|post|forum|user)\]|\[(?:img|url|quote|list)=)%i', $username)) $errors[] = $lang_prof_reg['Username BBCode']; // Check username for any censored words if ($pun_config['o_censoring'] == '1' && censor_words($username) != $username) $errors[] = $lang_register['Username censor']; // Check that the username (or a too similar username) is not already registered $query = (!is_null($exclude_id)) ? ' AND id!='.$exclude_id : ''; $result = $db->query('SELECT username FROM '.$db->prefix.'users WHERE (UPPER(username)=UPPER(\''.$db->escape($username).'\') OR UPPER(username)=UPPER(\''.$db->escape(ucp_preg_replace('%[^\p{L}\p{N}]%u', '', $username)).'\')) AND id>1'.$query) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error()); if ($db->num_rows($result)) { $busy = $db->result($result); $errors[] = $lang_register['Username dupe 1'].' '.pun_htmlspecialchars($busy).'. '.$lang_register['Username dupe 2']; } // Check username for any banned usernames foreach ($pun_bans as $cur_ban) { if ($cur_ban['username'] != '' && utf8_strtolower($username) == utf8_strtolower($cur_ban['username'])) { $errors[] = $lang_prof_reg['Banned username']; break; } } } // // Update "Users online" // function update_users_online() { global $db, $pun_config; $now = time(); // Fetch all online list entries that are older than "o_timeout_online" $result = $db->query('SELECT user_id, ident, logged, idle FROM '.$db->prefix.'online WHERE logged<'.($now-$pun_config['o_timeout_online'])) or error('Unable to fetch old entries from online list', __FILE__, __LINE__, $db->error()); while ($cur_user = $db->fetch_assoc($result)) { // If the entry is a guest, delete it if ($cur_user['user_id'] == '1') $db->query('DELETE FROM '.$db->prefix.'online WHERE ident=\''.$db->escape($cur_user['ident']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); else { // If the entry is older than "o_timeout_visit", update last_visit for the user in question, then delete him/her from the online list if ($cur_user['logged'] < ($now-$pun_config['o_timeout_visit'])) { $db->query('UPDATE '.$db->prefix.'users SET last_visit='.$cur_user['logged'].' WHERE id='.$cur_user['user_id']) or error('Unable to update user visit data', __FILE__, __LINE__, $db->error()); $db->query('DELETE FROM '.$db->prefix.'online WHERE user_id='.$cur_user['user_id']) or error('Unable to delete from online list', __FILE__, __LINE__, $db->error()); } else if ($cur_user['idle'] == '0') $db->query('UPDATE '.$db->prefix.'online SET idle=1 WHERE user_id='.$cur_user['user_id']) or error('Unable to insert into online list', __FILE__, __LINE__, $db->error()); } } } // // Display the profile navigation menu // function generate_profile_menu($page = '') { global $lang_profile, $pun_config, $pun_user, $id; ?>

    > > > > > > >
'; break; } } return $avatar_markup; } // // Generate browser's title // function generate_page_title($page_title, $p = null) { global $lang_common; if (!is_array($page_title)) $page_title = array($page_title); $page_title = array_reverse($page_title); if ($p > 1) $page_title[0] .= ' ('.sprintf($lang_common['Page'], forum_number_format($p)).')'; $crumbs = implode($lang_common['Title separator'], $page_title); return $crumbs; } // // Save array of tracked topics in cookie // function set_tracked_topics($tracked_topics) { global $cookie_name, $cookie_path, $cookie_domain, $cookie_secure, $pun_config; $cookie_data = ''; if (!empty($tracked_topics)) { // Sort the arrays (latest read first) arsort($tracked_topics['topics'], SORT_NUMERIC); arsort($tracked_topics['forums'], SORT_NUMERIC); // Homebrew serialization (to avoid having to run unserialize() on cookie data) foreach ($tracked_topics['topics'] as $id => $timestamp) $cookie_data .= 't'.$id.'='.$timestamp.';'; foreach ($tracked_topics['forums'] as $id => $timestamp) $cookie_data .= 'f'.$id.'='.$timestamp.';'; // Enforce a byte size limit (4096 minus some space for the cookie name - defaults to 4048) if (strlen($cookie_data) > FORUM_MAX_COOKIE_SIZE) { $cookie_data = substr($cookie_data, 0, FORUM_MAX_COOKIE_SIZE); $cookie_data = substr($cookie_data, 0, strrpos($cookie_data, ';')).';'; } } forum_setcookie($cookie_name.'_track', $cookie_data, time() + $pun_config['o_timeout_visit']); $_COOKIE[$cookie_name.'_track'] = $cookie_data; // Set it directly in $_COOKIE as well } // // Extract array of tracked topics from cookie // function get_tracked_topics() { global $cookie_name; $cookie_data = isset($_COOKIE[$cookie_name.'_track']) ? $_COOKIE[$cookie_name.'_track'] : false; if (!$cookie_data) return array('topics' => array(), 'forums' => array()); if (strlen($cookie_data) > FORUM_MAX_COOKIE_SIZE) return array('topics' => array(), 'forums' => array()); // Unserialize data from cookie $tracked_topics = array('topics' => array(), 'forums' => array()); $temp = explode(';', $cookie_data); foreach ($temp as $t) { $type = substr($t, 0, 1) == 'f' ? 'forums' : 'topics'; $id = intval(substr($t, 1)); $timestamp = intval(substr($t, strpos($t, '=') + 1)); if ($id > 0 && $timestamp > 0) $tracked_topics[$type][$id] = $timestamp; } return $tracked_topics; } // // Shortcut method for executing all callbacks registered with the addon manager for the given hook // function flux_hook($name) { global $flux_addons; $flux_addons->hook($name); } // // Update posts, topics, last_post, last_post_id and last_poster for a forum // function update_forum($forum_id) { global $db; $result = $db->query('SELECT COUNT(id), SUM(num_replies) FROM '.$db->prefix.'topics WHERE forum_id='.$forum_id) or error('Unable to fetch forum topic count', __FILE__, __LINE__, $db->error()); list($num_topics, $num_posts) = $db->fetch_row($result); $num_posts = $num_posts + $num_topics; // $num_posts is only the sum of all replies (we have to add the topic posts) $result = $db->query('SELECT last_post, last_post_id, last_poster FROM '.$db->prefix.'topics WHERE forum_id='.$forum_id.' AND moved_to IS NULL ORDER BY last_post DESC LIMIT 1') or error('Unable to fetch last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); if ($db->num_rows($result)) // There are topics in the forum { list($last_post, $last_post_id, $last_poster) = $db->fetch_row($result); $db->query('UPDATE '.$db->prefix.'forums SET num_topics='.$num_topics.', num_posts='.$num_posts.', last_post='.$last_post.', last_post_id='.$last_post_id.', last_poster=\''.$db->escape($last_poster).'\' WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); } else // There are no topics $db->query('UPDATE '.$db->prefix.'forums SET num_topics='.$num_topics.', num_posts='.$num_posts.', last_post=NULL, last_post_id=NULL, last_poster=NULL WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $db->error()); } // // Deletes any avatars owned by the specified user ID // function delete_avatar($user_id) { global $pun_config; $filetypes = array('jpg', 'gif', 'png'); // Delete user avatar foreach ($filetypes as $cur_type) { if (file_exists(PUN_ROOT.$pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type)) @unlink(PUN_ROOT.$pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type); } } // // Delete a topic and all of its posts // function delete_topic($topic_id) { global $db; // Delete the topic and any redirect topics $db->query('DELETE FROM '.$db->prefix.'topics WHERE id='.$topic_id.' OR moved_to='.$topic_id) or error('Unable to delete topic', __FILE__, __LINE__, $db->error()); // Create a list of the post IDs in this topic $post_ids = ''; $result = $db->query('SELECT id FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch posts', __FILE__, __LINE__, $db->error()); while ($row = $db->fetch_row($result)) $post_ids .= ($post_ids != '') ? ','.$row[0] : $row[0]; // Make sure we have a list of post IDs if ($post_ids != '') { strip_search_index($post_ids); // Delete posts in topic $db->query('DELETE FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to delete posts', __FILE__, __LINE__, $db->error()); } // Delete any subscriptions for this topic $db->query('DELETE FROM '.$db->prefix.'topic_subscriptions WHERE topic_id='.$topic_id) or error('Unable to delete subscriptions', __FILE__, __LINE__, $db->error()); } // // Delete a single post // function delete_post($post_id, $topic_id) { global $db; $result = $db->query('SELECT id, poster, posted FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id.' ORDER BY id DESC LIMIT 2') or error('Unable to fetch post info', __FILE__, __LINE__, $db->error()); list($last_id, ,) = $db->fetch_row($result); list($second_last_id, $second_poster, $second_posted) = $db->fetch_row($result); // Delete the post $db->query('DELETE FROM '.$db->prefix.'posts WHERE id='.$post_id) or error('Unable to delete post', __FILE__, __LINE__, $db->error()); strip_search_index($post_id); // Count number of replies in the topic $result = $db->query('SELECT COUNT(id) FROM '.$db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch post count for topic', __FILE__, __LINE__, $db->error()); $num_replies = $db->result($result, 0) - 1; // If the message we deleted is the most recent in the topic (at the end of the topic) if ($last_id == $post_id) { // If there is a $second_last_id there is more than 1 reply to the topic if (!empty($second_last_id)) $db->query('UPDATE '.$db->prefix.'topics SET last_post='.$second_posted.', last_post_id='.$second_last_id.', last_poster=\''.$db->escape($second_poster).'\', num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); else // We deleted the only reply, so now last_post/last_post_id/last_poster is posted/id/poster from the topic itself $db->query('UPDATE '.$db->prefix.'topics SET last_post=posted, last_post_id=id, last_poster=poster, num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); } else // Otherwise we just decrement the reply counter $db->query('UPDATE '.$db->prefix.'topics SET num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $db->error()); } // // Delete every .php file in the forum's cache directory // function forum_clear_cache() { $d = dir(FORUM_CACHE_DIR); while (($entry = $d->read()) !== false) { if (substr($entry, -4) == '.php') @unlink(FORUM_CACHE_DIR.$entry); } $d->close(); } // // Replace censored words in $text // function censor_words($text) { global $db; static $search_for, $replace_with; // If not already built in a previous call, build an array of censor words and their replacement text if (!isset($search_for)) { if (file_exists(FORUM_CACHE_DIR.'cache_censoring.php')) include FORUM_CACHE_DIR.'cache_censoring.php'; if (!defined('PUN_CENSOR_LOADED')) { if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) require PUN_ROOT.'include/cache.php'; generate_censoring_cache(); require FORUM_CACHE_DIR.'cache_censoring.php'; } } if (!empty($search_for)) $text = substr(ucp_preg_replace($search_for, $replace_with, ' '.$text.' '), 1, -1); return $text; } // // Determines the correct title for $user // $user must contain the elements 'username', 'title', 'posts', 'g_id' and 'g_user_title' // function get_title($user) { global $pun_bans, $lang_common; static $ban_list; // If not already built in a previous call, build an array of lowercase banned usernames if (empty($ban_list)) { $ban_list = array(); foreach ($pun_bans as $cur_ban) $ban_list[] = utf8_strtolower($cur_ban['username']); } // If the user is banned if (in_array(utf8_strtolower($user['username']), $ban_list)) $user_title = $lang_common['Banned']; // If the user has a custom title else if ($user['title'] != '') $user_title = pun_htmlspecialchars($user['title']); // If the user group has a default user title else if ($user['g_user_title'] != '') $user_title = pun_htmlspecialchars($user['g_user_title']); // If the user is a guest else if ($user['g_id'] == PUN_GUEST) $user_title = $lang_common['Guest']; // If nothing else helps, we assign the default else $user_title = $lang_common['Member']; return $user_title; } // // Generate a string with numbered links (for multipage scripts) // function paginate($num_pages, $cur_page, $link) { global $lang_common; $pages = array(); $link_to_all = false; // If $cur_page == -1, we link to all pages (used in viewforum.php) if ($cur_page == -1) { $cur_page = 1; $link_to_all = true; } if ($num_pages <= 1) $pages = array('1'); else { // Add a previous page link if ($num_pages > 1 && $cur_page > 1) $pages[] = ''; if ($cur_page > 3) { $pages[] = '1'; if ($cur_page > 5) $pages[] = ''.$lang_common['Spacer'].''; } // Don't ask me how the following works. It just does, OK? :-) for ($current = ($cur_page == 5) ? $cur_page - 3 : $cur_page - 2, $stop = ($cur_page + 4 == $num_pages) ? $cur_page + 4 : $cur_page + 3; $current < $stop; ++$current) { if ($current < 1 || $current > $num_pages) continue; else if ($current != $cur_page || $link_to_all) $pages[] = ''.forum_number_format($current).''; else $pages[] = ''.forum_number_format($current).''; } if ($cur_page <= ($num_pages-3)) { if ($cur_page != ($num_pages-3) && $cur_page != ($num_pages-4)) $pages[] = ''.$lang_common['Spacer'].''; $pages[] = ''.forum_number_format($num_pages).''; } // Add a next page link if ($num_pages > 1 && !$link_to_all && $cur_page < $num_pages) $pages[] = ''; } return implode(' ', $pages); } // // Display a message // function message($message, $no_back_link = false, $http_status = null) { global $db, $lang_common, $pun_config, $pun_start, $tpl_main, $pun_user; // Did we receive a custom header? if(!is_null($http_status)) { header('HTTP/1.1 ' . $http_status); } if (!defined('PUN_HEADER')) { $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Info']); define('PUN_ACTIVE_PAGE', 'index'); require PUN_ROOT.'header.php'; } ?>

count($input)) $offset = count($input); else if ($offset < 0) $offset = 0; $input = array_merge(array_slice($input, 0, $offset), array($key => $element), array_slice($input, $offset)); } // // Display a message when board is in maintenance mode // function maintenance_message() { global $db, $pun_config, $lang_common, $pun_user; header('HTTP/1.1 503 Service Unavailable'); // Send no-cache headers header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); header('Cache-Control: post-check=0, pre-check=0', false); header('Pragma: no-cache'); // For HTTP/1.0 compatibility // Send the Content-type header in case the web server is setup to send something else header('Content-type: text/html; charset=utf-8'); // Deal with newlines, tabs and multiple spaces $pattern = array("\t", ' ', ' '); $replace = array('    ', '  ', '  '); $message = str_replace($pattern, $replace, $pun_config['o_maintenance_message']); if (file_exists(PUN_ROOT.'style/'.$pun_user['style'].'/maintenance.tpl')) { $tpl_file = PUN_ROOT.'style/'.$pun_user['style'].'/maintenance.tpl'; $tpl_inc_dir = PUN_ROOT.'style/'.$pun_user['style'].'/'; } else { $tpl_file = PUN_ROOT.'include/template/maintenance.tpl'; $tpl_inc_dir = PUN_ROOT.'include/user/'; } $tpl_maint = file_get_contents($tpl_file); // START SUBST - preg_match_all('%%i', $tpl_maint, $pun_includes, PREG_SET_ORDER); foreach ($pun_includes as $cur_include) { ob_start(); // Allow for overriding user includes, too. if (file_exists($tpl_inc_dir.$cur_include[1].'.'.$cur_include[2])) require $tpl_inc_dir.$cur_include[1].'.'.$cur_include[2]; else if (file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2])) require PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]; else error(sprintf($lang_common['Pun include error'], htmlspecialchars($cur_include[0]), basename($tpl_file))); $tpl_temp = ob_get_contents(); $tpl_maint = str_replace($cur_include[0], $tpl_temp, $tpl_maint); ob_end_clean(); } // END SUBST - // START SUBST - $tpl_maint = str_replace('', $lang_common['lang_identifier'], $tpl_maint); // END SUBST - // START SUBST - $tpl_maint = str_replace('', $lang_common['lang_direction'], $tpl_maint); // END SUBST - // START SUBST - ob_start(); $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Maintenance']); ?> <?php echo generate_page_title($page_title) ?> ', $tpl_temp, $tpl_maint); ob_end_clean(); // END SUBST - // START SUBST - ob_start(); ?>

', $tpl_temp, $tpl_maint); ob_end_clean(); // END SUBST - // End the transaction $db->end_transaction(); // Close the db connection (and free up any result data) $db->close(); exit($tpl_maint); } // // Display $message and redirect user to $destination_url // function redirect($destination_url, $message) { global $db, $pun_config, $lang_common, $pun_user; // Prefix with base_url (unless there's already a valid URI) if (strpos($destination_url, 'http://') !== 0 && strpos($destination_url, 'https://') !== 0 && strpos($destination_url, '/') !== 0) $destination_url = get_base_url(true).'/'.$destination_url; // Do a little spring cleaning $destination_url = preg_replace('%([\r\n])|(\%0[ad])|(;\s*data\s*:)%i', '', $destination_url); // If the delay is 0 seconds, we might as well skip the redirect all together if ($pun_config['o_redirect_delay'] == '0') { $db->end_transaction(); $db->close(); header('Location: '.str_replace('&', '&', $destination_url)); exit; } // Send no-cache headers header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); header('Cache-Control: post-check=0, pre-check=0', false); header('Pragma: no-cache'); // For HTTP/1.0 compatibility // Send the Content-type header in case the web server is setup to send something else header('Content-type: text/html; charset=utf-8'); if (file_exists(PUN_ROOT.'style/'.$pun_user['style'].'/redirect.tpl')) { $tpl_file = PUN_ROOT.'style/'.$pun_user['style'].'/redirect.tpl'; $tpl_inc_dir = PUN_ROOT.'style/'.$pun_user['style'].'/'; } else { $tpl_file = PUN_ROOT.'include/template/redirect.tpl'; $tpl_inc_dir = PUN_ROOT.'include/user/'; } $tpl_redir = file_get_contents($tpl_file); // START SUBST - preg_match_all('%%i', $tpl_redir, $pun_includes, PREG_SET_ORDER); foreach ($pun_includes as $cur_include) { ob_start(); // Allow for overriding user includes, too. if (file_exists($tpl_inc_dir.$cur_include[1].'.'.$cur_include[2])) require $tpl_inc_dir.$cur_include[1].'.'.$cur_include[2]; else if (file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2])) require PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]; else error(sprintf($lang_common['Pun include error'], htmlspecialchars($cur_include[0]), basename($tpl_file))); $tpl_temp = ob_get_contents(); $tpl_redir = str_replace($cur_include[0], $tpl_temp, $tpl_redir); ob_end_clean(); } // END SUBST - // START SUBST - $tpl_redir = str_replace('', $lang_common['lang_identifier'], $tpl_redir); // END SUBST - // START SUBST - $tpl_redir = str_replace('', $lang_common['lang_direction'], $tpl_redir); // END SUBST - // START SUBST - ob_start(); $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Redirecting']); ?> <?php echo generate_page_title($page_title) ?> ', $tpl_temp, $tpl_redir); ob_end_clean(); // END SUBST - // START SUBST - ob_start(); ?> ', $tpl_temp, $tpl_redir); ob_end_clean(); // END SUBST - // START SUBST - ob_start(); // End the transaction $db->end_transaction(); // Display executed queries (if enabled) if (defined('PUN_SHOW_QUERIES')) display_saved_queries(); $tpl_temp = trim(ob_get_contents()); $tpl_redir = str_replace('', $tpl_temp, $tpl_redir); ob_end_clean(); // END SUBST - // Close the db connection (and free up any result data) $db->close(); exit($tpl_redir); } // // Display a simple error message // function error($message, $file = null, $line = null, $db_error = false) { global $pun_config, $lang_common; // Set some default settings if the script failed before $pun_config could be populated if (empty($pun_config)) { $pun_config = array( 'o_board_title' => 'FluxBB', 'o_gzip' => '0' ); } // Set some default translations if the script failed before $lang_common could be populated if (empty($lang_common)) { $lang_common = array( 'Title separator' => ' / ', 'Page' => 'Page %s' ); } // Empty all output buffers and stop buffering while (@ob_end_clean()); // "Restart" output buffering if we are using ob_gzhandler (since the gzip header is already sent) if ($pun_config['o_gzip'] && extension_loaded('zlib')) ob_start('ob_gzhandler'); header('HTTP/1.1 500 Internal Server Error'); // Send no-cache headers header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); header('Cache-Control: post-check=0, pre-check=0', false); header('Pragma: no-cache'); // For HTTP/1.0 compatibility // Send the Content-type header in case the web server is setup to send something else header('Content-type: text/html; charset=utf-8'); ?> <?php echo generate_page_title($page_title) ?>

An error was encountered

File: '.$file.'
'."\n\t\t".'Line: '.$line.'

'."\n\t\t".'FluxBB reported: '.$message."\n"; if ($db_error) { echo "\t\t".'

Database reported: '.pun_htmlspecialchars($db_error['error_msg']).(($db_error['error_no']) ? ' (Errno: '.$db_error['error_no'].')' : '')."\n"; if ($db_error['error_sql'] != '') echo "\t\t".'

Failed query: '.pun_htmlspecialchars($db_error['error_sql'])."\n"; } } else echo "\t\t".'Error: '.pun_htmlspecialchars($message).'.'."\n"; ?>
close(); exit; } // // Unset any variables instantiated as a result of register_globals being enabled // function forum_unregister_globals() { $register_globals = ini_get('register_globals'); if ($register_globals === '' || $register_globals === '0' || strtolower($register_globals) === 'off') return; // Prevent script.php?GLOBALS[foo]=bar if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) exit('I\'ll have a steak sandwich and... a steak sandwich.'); // Variables that shouldn't be unset $no_unset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES'); // Remove elements in $GLOBALS that are present in any of the superglobals $input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array()); foreach ($input as $k => $v) { if (!in_array($k, $no_unset) && isset($GLOBALS[$k])) { unset($GLOBALS[$k]); unset($GLOBALS[$k]); // Double unset to circumvent the zend_hash_del_key_or_index hole in PHP <4.4.3 and <5.1.4 } } } // // Removes any "bad" characters (characters which mess with the display of a page, are invisible, etc) from user input // function forum_remove_bad_characters() { $_GET = remove_bad_characters($_GET); $_POST = remove_bad_characters($_POST); $_COOKIE = remove_bad_characters($_COOKIE); $_REQUEST = remove_bad_characters($_REQUEST); } // // Removes any "bad" characters (characters which mess with the display of a page, are invisible, etc) from the given string // See: http://kb.mozillazine.org/Network.IDN.blacklist_chars // function remove_bad_characters($array) { static $bad_utf8_chars; if (!isset($bad_utf8_chars)) { $bad_utf8_chars = array( "\xcc\xb7" => '', // COMBINING SHORT SOLIDUS OVERLAY 0337 * "\xcc\xb8" => '', // COMBINING LONG SOLIDUS OVERLAY 0338 * "\xe1\x85\x9F" => '', // HANGUL CHOSEONG FILLER 115F * "\xe1\x85\xA0" => '', // HANGUL JUNGSEONG FILLER 1160 * "\xe2\x80\x8b" => '', // ZERO WIDTH SPACE 200B * "\xe2\x80\x8c" => '', // ZERO WIDTH NON-JOINER 200C "\xe2\x80\x8d" => '', // ZERO WIDTH JOINER 200D "\xe2\x80\x8e" => '', // LEFT-TO-RIGHT MARK 200E "\xe2\x80\x8f" => '', // RIGHT-TO-LEFT MARK 200F "\xe2\x80\xaa" => '', // LEFT-TO-RIGHT EMBEDDING 202A "\xe2\x80\xab" => '', // RIGHT-TO-LEFT EMBEDDING 202B "\xe2\x80\xac" => '', // POP DIRECTIONAL FORMATTING 202C "\xe2\x80\xad" => '', // LEFT-TO-RIGHT OVERRIDE 202D "\xe2\x80\xae" => '', // RIGHT-TO-LEFT OVERRIDE 202E "\xe2\x80\xaf" => '', // NARROW NO-BREAK SPACE 202F * "\xe2\x81\x9f" => '', // MEDIUM MATHEMATICAL SPACE 205F * "\xe2\x81\xa0" => '', // WORD JOINER 2060 "\xe3\x85\xa4" => '', // HANGUL FILLER 3164 * "\xef\xbb\xbf" => '', // ZERO WIDTH NO-BREAK SPACE FEFF "\xef\xbe\xa0" => '', // HALFWIDTH HANGUL FILLER FFA0 * "\xef\xbf\xb9" => '', // INTERLINEAR ANNOTATION ANCHOR FFF9 * "\xef\xbf\xba" => '', // INTERLINEAR ANNOTATION SEPARATOR FFFA * "\xef\xbf\xbb" => '', // INTERLINEAR ANNOTATION TERMINATOR FFFB * "\xef\xbf\xbc" => '', // OBJECT REPLACEMENT CHARACTER FFFC * "\xef\xbf\xbd" => '', // REPLACEMENT CHARACTER FFFD * "\xe2\x80\x80" => ' ', // EN QUAD 2000 * "\xe2\x80\x81" => ' ', // EM QUAD 2001 * "\xe2\x80\x82" => ' ', // EN SPACE 2002 * "\xe2\x80\x83" => ' ', // EM SPACE 2003 * "\xe2\x80\x84" => ' ', // THREE-PER-EM SPACE 2004 * "\xe2\x80\x85" => ' ', // FOUR-PER-EM SPACE 2005 * "\xe2\x80\x86" => ' ', // SIX-PER-EM SPACE 2006 * "\xe2\x80\x87" => ' ', // FIGURE SPACE 2007 * "\xe2\x80\x88" => ' ', // PUNCTUATION SPACE 2008 * "\xe2\x80\x89" => ' ', // THIN SPACE 2009 * "\xe2\x80\x8a" => ' ', // HAIR SPACE 200A * "\xE3\x80\x80" => ' ', // IDEOGRAPHIC SPACE 3000 * ); } if (is_array($array)) return array_map('remove_bad_characters', $array); // Strip out any invalid characters $array = utf8_bad_strip($array); // Remove control characters $array = preg_replace('%[\x00-\x08\x0b-\x0c\x0e-\x1f]%', '', $array); // Replace some "bad" characters $array = str_replace(array_keys($bad_utf8_chars), array_values($bad_utf8_chars), $array); return $array; } // // Converts the file size in bytes to a human readable file size // function file_size($size) { global $lang_common; $units = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB'); for ($i = 0; $size > 1024; $i++) $size /= 1024; return sprintf($lang_common['Size unit '.$units[$i]], round($size, 2)); } // // Fetch a list of available styles // function forum_list_styles() { $styles = array(); $d = dir(PUN_ROOT.'style'); while (($entry = $d->read()) !== false) { if ($entry{0} == '.') continue; if (substr($entry, -4) == '.css') $styles[] = substr($entry, 0, -4); } $d->close(); natcasesort($styles); return $styles; } // // Fetch a list of available language packs // function forum_list_langs() { $languages = array(); $d = dir(PUN_ROOT.'lang'); while (($entry = $d->read()) !== false) { if ($entry{0} == '.') continue; if (is_dir(PUN_ROOT.'lang/'.$entry) && file_exists(PUN_ROOT.'lang/'.$entry.'/common.php')) $languages[] = $entry; } $d->close(); natcasesort($languages); return $languages; } // // Generate a cache ID based on the last modification time for all stopwords files // function generate_stopwords_cache_id() { $files = glob(PUN_ROOT.'lang/*/stopwords.txt'); if ($files === false) return 'cache_id_error'; $hash = array(); foreach ($files as $file) { $hash[] = $file; $hash[] = filemtime($file); } return sha1(implode('|', $hash)); } // // Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside) // function split_text($text, $start, $end, $retab = true) { global $pun_config; $result = array(0 => array(), 1 => array()); // 0 = inside, 1 = outside // split the text into parts $parts = preg_split('%'.preg_quote($start, '%').'(.*)'.preg_quote($end, '%').'%Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE); $num_parts = count($parts); // preg_split results in outside parts having even indices, inside parts having odd for ($i = 0;$i < $num_parts;$i++) $result[1 - ($i % 2)][] = $parts[$i]; if ($pun_config['o_indent_num_spaces'] != 8 && $retab) { $spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']); $result[1] = str_replace("\t", $spaces, $result[1]); } return $result; } // // Extract blocks from a text with a starting and ending string // This function always matches the most outer block so nesting is possible // function extract_blocks($text, $start, $end, $retab = true) { global $pun_config; $code = array(); $start_len = strlen($start); $end_len = strlen($end); $regex = '%(?:'.preg_quote($start, '%').'|'.preg_quote($end, '%').')%'; $matches = array(); if (preg_match_all($regex, $text, $matches)) { $counter = $offset = 0; $start_pos = $end_pos = false; foreach ($matches[0] as $match) { if ($match == $start) { if ($counter == 0) $start_pos = strpos($text, $start); $counter++; } elseif ($match == $end) { $counter--; if ($counter == 0) $end_pos = strpos($text, $end, $offset + 1); $offset = strpos($text, $end, $offset + 1); } if ($start_pos !== false && $end_pos !== false) { $code[] = substr($text, $start_pos + $start_len, $end_pos - $start_pos - $start_len); $text = substr_replace($text, "\1", $start_pos, $end_pos - $start_pos + $end_len); $start_pos = $end_pos = false; $offset = 0; } } } if ($pun_config['o_indent_num_spaces'] != 8 && $retab) { $spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']); $text = str_replace("\t", $spaces, $text); } return array($code, $text); } // // function url_valid($url) { // // Return associative array of valid URI components, or FALSE if $url is not // RFC-3986 compliant. If the passed URL begins with: "www." or "ftp.", then // "http://" or "ftp://" is prepended and the corrected full-url is stored in // the return array with a key name "url". This value should be used by the caller. // // Return value: FALSE if $url is not valid, otherwise array of URI components: // e.g. // Given: "http://www.jmrware.com:80/articles?height=10&width=75#fragone" // Array( // [scheme] => http // [authority] => www.jmrware.com:80 // [userinfo] => // [host] => www.jmrware.com // [IP_literal] => // [IPV6address] => // [ls32] => // [IPvFuture] => // [IPv4address] => // [regname] => www.jmrware.com // [port] => 80 // [path_abempty] => /articles // [query] => height=10&width=75 // [fragment] => fragone // [url] => http://www.jmrware.com:80/articles?height=10&width=75#fragone // ) function url_valid($url) { if (strpos($url, 'www.') === 0) $url = 'http://'. $url; if (strpos($url, 'ftp.') === 0) $url = 'ftp://'. $url; if (!preg_match('/# Valid absolute URI having a non-empty, valid DNS host. ^ (?P[A-Za-z][A-Za-z0-9+\-.]*):\/\/ (?P (?:(?P(?:[A-Za-z0-9\-._~!$&\'()*+,;=:]|%[0-9A-Fa-f]{2})*)@)? (?P (?P \[ (?: (?P (?: (?:[0-9A-Fa-f]{1,4}:){6} | ::(?:[0-9A-Fa-f]{1,4}:){5} | (?: [0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){4} | (?:(?:[0-9A-Fa-f]{1,4}:){0,1}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){3} | (?:(?:[0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){2} | (?:(?:[0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})?:: [0-9A-Fa-f]{1,4}: | (?:(?:[0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})?:: ) (?P[0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4} | (?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3} (?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?) ) | (?:(?:[0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})?:: [0-9A-Fa-f]{1,4} | (?:(?:[0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})?:: ) | (?P[Vv][0-9A-Fa-f]+\.[A-Za-z0-9\-._~!$&\'()*+,;=:]+) ) \] ) | (?P(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3} (?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)) | (?P(?:[A-Za-z0-9\-._~!$&\'()*+,;=]|%[0-9A-Fa-f]{2})+) ) (?::(?P[0-9]*))? ) (?P(?:\/(?:[A-Za-z0-9\-._~!$&\'()*+,;=:@]|%[0-9A-Fa-f]{2})*)*) (?:\?(?P (?:[A-Za-z0-9\-._~!$&\'()*+,;=:@\\/?]|%[0-9A-Fa-f]{2})*))? (?:\#(?P (?:[A-Za-z0-9\-._~!$&\'()*+,;=:@\\/?]|%[0-9A-Fa-f]{2})*))? $ /mx', $url, $m)) return FALSE; switch ($m['scheme']) { case 'https': case 'http': if ($m['userinfo']) return FALSE; // HTTP scheme does not allow userinfo. break; case 'ftps': case 'ftp': break; default: return FALSE; // Unrecognised URI scheme. Default to FALSE. } // Validate host name conforms to DNS "dot-separated-parts". if ($m{'regname'}) // If host regname specified, check for DNS conformance. { if (!preg_match('/# HTTP DNS host name. ^ # Anchor to beginning of string. (?!.{256}) # Overall host length is less than 256 chars. (?: # Group dot separated host part alternatives. [0-9A-Za-z]\. # Either a single alphanum followed by dot | # or... part has more than one char (63 chars max). [0-9A-Za-z] # Part first char is alphanum (no dash). [\-0-9A-Za-z]{0,61} # Internal chars are alphanum plus dash. [0-9A-Za-z] # Part last char is alphanum (no dash). \. # Each part followed by literal dot. )* # One or more parts before top level domain. (?: # Top level domains [A-Za-z]{2,63}| # Country codes are exactly two alpha chars. xn--[0-9A-Za-z]{4,59}) # Internationalized Domain Name (IDN) $ # Anchor to end of string. /ix', $m['host'])) return FALSE; } $m['url'] = $url; for ($i = 0; isset($m[$i]); ++$i) unset($m[$i]); return $m; // return TRUE == array of useful named $matches plus the valid $url. } // // Replace string matching regular expression // // This function takes care of possibly disabled unicode properties in PCRE builds // function ucp_preg_replace($pattern, $replace, $subject, $callback = false) { if($callback) $replaced = preg_replace_callback($pattern, create_function('$matches', 'return '.$replace.';'), $subject); else $replaced = preg_replace($pattern, $replace, $subject); // If preg_replace() returns false, this probably means unicode support is not built-in, so we need to modify the pattern a little if ($replaced === false) { if (is_array($pattern)) { foreach ($pattern as $cur_key => $cur_pattern) $pattern[$cur_key] = str_replace('\p{L}\p{N}', '\w', $cur_pattern); $replaced = preg_replace($pattern, $replace, $subject); } else $replaced = preg_replace(str_replace('\p{L}\p{N}', '\w', $pattern), $replace, $subject); } return $replaced; } // // A wrapper for ucp_preg_replace // function ucp_preg_replace_callback($pattern, $replace, $subject) { return ucp_preg_replace($pattern, $replace, $subject, true); } // // Replace four-byte characters with a question mark // // As MySQL cannot properly handle four-byte characters with the default utf-8 // charset up until version 5.5.3 (where a special charset has to be used), they // need to be replaced, by question marks in this case. // function strip_bad_multibyte_chars($str) { $result = ''; $length = strlen($str); for ($i = 0; $i < $length; $i++) { // Replace four-byte characters (11110www 10zzzzzz 10yyyyyy 10xxxxxx) $ord = ord($str[$i]); if ($ord >= 240 && $ord <= 244) { $result .= '?'; $i += 3; } else { $result .= $str[$i]; } } return $result; } // // Check whether a file/folder is writable. // // This function also works on Windows Server where ACLs seem to be ignored. // function forum_is_writable($path) { if (is_dir($path)) { $path = rtrim($path, '/').'/'; return forum_is_writable($path.uniqid(mt_rand()).'.tmp'); } // Check temporary file for read/write capabilities $rm = file_exists($path); $f = @fopen($path, 'a'); if ($f === false) return false; fclose($f); if (!$rm) @unlink($path); return true; } // DEBUG FUNCTIONS BELOW // // Display executed queries (if enabled) // function display_saved_queries() { global $db, $lang_common; // Get the queries so that we can print them out $saved_queries = $db->get_saved_queries(); ?>

'; $num_args = func_num_args(); for ($i = 0; $i < $num_args; ++$i) { print_r(func_get_arg($i)); echo "\n\n"; } echo ''; exit; }