/include/functions.php
PHP | 2141 lines | 1345 code | 415 blank | 381 comment | 343 complexity | c3ab271d090eb55dc3078f112eec3314 MD5 | raw file
Possible License(s): GPL-2.0
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- <?php
- /**
- * Copyright (C) 2008-2012 FluxBB
- * based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
- * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
- */
- //
- // Return current timestamp (with microseconds) as a float
- //
- function get_microtime()
- {
- list($usec, $sec) = explode(' ', microtime());
- return ((float)$usec + (float)$sec);
- }
- //
- // Cookie stuff!
- //
- function check_cookie(&$pun_user)
- {
- global $db, $db_type, $pun_config, $cookie_name, $cookie_seed;
- $now = time();
- // If the cookie is set and it matches the correct pattern, then read the values from it
- if (isset($_COOKIE[$cookie_name]) && preg_match('%^(\d+)\|([0-9a-fA-F]+)\|(\d+)\|([0-9a-fA-F]+)$%', $_COOKIE[$cookie_name], $matches))
- {
- $cookie = array(
- 'user_id' => intval($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'] > $now)
- {
- // If the cookie has been tampered with
- if (forum_hmac($cookie['user_id'].'|'.$cookie['expiration_time'], $cookie_seed.'_cookie_hash') != $cookie['cookie_hash'])
- {
- $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
- if (!isset($pun_user['id']) || forum_hmac($pun_user['password'], $cookie_seed.'_password_hash') !== $cookie['password_hash'])
- {
- $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);
- if (!isset($pun_user['id']) ||
- ($password_is_hash && $password != $pun_user['password']) ||
- (!$password_is_hash && pun_hash($password) != $pun_user['password']))
- 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'] != '') ? $lang_common['Ban message 3'].'<br /><br /><strong>'.pun_htmlspecialchars($cur_ban['message']).'</strong><br /><br />' : '<br /><br />').$lang_common['Ban message 4'].' <a href="mailto:'.pun_htmlspecialchars($pun_config['o_admin_email']).'">'.pun_htmlspecialchars($pun_config['o_admin_email']).'</a>.', true);
- }
- }
- // If we removed any expired bans during our run-through, we need to regenerate the bans cache
- if ($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;
- ?>
- <div id="profile" class="block2col">
- <div class="blockmenu">
- <h2><span><?php echo $lang_profile['Profile menu'] ?></span></h2>
- <div class="box">
- <div class="inbox">
- <ul>
- <li<?php if ($page == 'essentials') echo ' class="isactive"'; ?>><a href="profile.php?section=essentials&id=<?php echo $id ?>"><?php echo $lang_profile['Section essentials'] ?></a></li>
- <li<?php if ($page == 'personal') echo ' class="isactive"'; ?>><a href="profile.php?section=personal&id=<?php echo $id ?>"><?php echo $lang_profile['Section personal'] ?></a></li>
- <li<?php if ($page == 'messaging') echo ' class="isactive"'; ?>><a href="profile.php?section=messaging&id=<?php echo $id ?>"><?php echo $lang_profile['Section messaging'] ?></a></li>
- <?php if ($pun_config['o_avatars'] == '1' || $pun_config['o_signatures'] == '1'): ?> <li<?php if ($page == 'personality') echo ' class="isactive"'; ?>><a href="profile.php?section=personality&id=<?php echo $id ?>"><?php echo $lang_profile['Section personality'] ?></a></li>
- <?php endif; ?> <li<?php if ($page == 'display') echo ' class="isactive"'; ?>><a href="profile.php?section=display&id=<?php echo $id ?>"><?php echo $lang_profile['Section display'] ?></a></li>
- <li<?php if ($page == 'privacy') echo ' class="isactive"'; ?>><a href="profile.php?section=privacy&id=<?php echo $id ?>"><?php echo $lang_profile['Section privacy'] ?></a></li>
- <?php if ($pun_user['g_id'] == PUN_ADMIN || ($pun_user['g_moderator'] == '1' && $pun_user['g_mod_ban_users'] == '1')): ?> <li<?php if ($page == 'admin') echo ' class="isactive"'; ?>><a href="profile.php?section=admin&id=<?php echo $id ?>"><?php echo $lang_profile['Section admin'] ?></a></li>
- <?php endif; ?> </ul>
- </div>
- </div>
- </div>
- <?php
- }
- //
- // Outputs markup to display a user's avatar
- //
- function generate_avatar_markup($user_id)
- {
- global $pun_config;
- $filetypes = array('jpg', 'gif', 'png');
- $avatar_markup = '';
- foreach ($filetypes as $cur_type)
- {
- $path = $pun_config['o_avatars_dir'].'/'.$user_id.'.'.$cur_type;
- if (file_exists(PUN_ROOT.$path) && $img_size = getimagesize(PUN_ROOT.$path))
- {
- $avatar_markup = '<img src="'.pun_htmlspecialchars(get_base_url(true).'/'.$path.'?m='.filemtime(PUN_ROOT.$path)).'" '.$img_size[3].' alt="" />';
- 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 $tracked_topics;
- }
- //
- // Update posts, topics, last_post, last_post_id and last_poster for a forum
- //
- function update_forum($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 has a custom title
- if ($user['title'] != '')
- $user_title = pun_htmlspecialchars($user['title']);
- // If the user is banned
- else if (in_array(utf8_strtolower($user['username']), $ban_list))
- $user_title = $lang_common['Banned'];
- // If the user group has a default user title
- else if ($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)
- $pages = array('<strong class="item1">1</strong>');
- else
- {
- // Add a previous page link
- if ($num_pages > 1 && $cur_page > 1)
- $pages[] = '<a rel="prev"'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.($cur_page == 2 ? '' : '&p='.($cur_page - 1)).'">'.$lang_common['Previous'].'</a>';
- if ($cur_page > 3)
- {
- $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'">1</a>';
- if ($cur_page > 5)
- $pages[] = '<span class="spacer">'.$lang_common['Spacer'].'</span>';
- }
- // 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)
- $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.($current == 1 ? '' : '&p='.$current).'">'.forum_number_format($current).'</a>';
- else
- $pages[] = '<strong'.(empty($pages) ? ' class="item1"' : '').'>'.forum_number_format($current).'</strong>';
- }
- if ($cur_page <= ($num_pages-3))
- {
- if ($cur_page != ($num_pages-3) && $cur_page != ($num_pages-4))
- $pages[] = '<span class="spacer">'.$lang_common['Spacer'].'</span>';
- $pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.$num_pages.'">'.forum_number_format($num_pages).'</a>';
- }
- // Add a next page link
- if ($num_pages > 1 && !$link_to_all && $cur_page < $num_pages)
- $pages[] = '<a rel="next"'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&p='.($cur_page +1).'">'.$lang_common['Next'].'</a>';
- }
- 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';
- }
- ?>
- <div id="msg" class="block">
- <h2><span><?php echo $lang_common['Info'] ?></span></h2>
- <div class="box">
- <div class="inbox">
- <p><?php echo $message ?></p>
- <?php if (!$no_back_link): ?> <p><a href="javascript: history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
- <?php endif; ?> </div>
- </div>
- </div>
- <?php
- require PUN_ROOT.'footer.php';
- }
- //
- // Format a time string according to $time_format and time zones
- //
- function format_time($timestamp, $date_only = false, $date_format = null, $time_format = null, $time_only = false, $no_text = false)
- {
- global $lang_common, $pun_user, $forum_date_formats, $forum_time_formats;
- if ($timestamp == '')
- return $lang_common['Never'];
- $diff = ($pun_user['timezone'] + $pun_user['dst']) * 3600;
- $timestamp += $diff;
- $now = time();
- if(is_null($date_format))
- $date_format = $forum_date_formats[$pun_user['date_format']];
- if(is_null($time_format))
- $time_format = $forum_time_formats[$pun_user['time_format']];
- $date = gmdate($date_format, $timestamp);
- $today = gmdate($date_format, $now+$diff);
- $yesterday = gmdate($date_format, $now+$diff-86400);
- if(!$no_text)
- {
- if ($date == $today)
- $date = $lang_common['Today'];
- else if ($date == $yesterday)
- $date = $lang_common['Yesterday'];
- }
- if ($date_only)
- return $date;
- else if ($time_only)
- return gmdate($time_format, $timestamp);
- else
- return $date.' '.gmdate($time_format, $timestamp);
- }
- //
- // A wrapper for PHP's number_format function
- //
- function forum_number_format($number, $decimals = 0)
- {
- global $lang_common;
- return is_numeric($number) ? number_format($number, $decimals, $lang_common['lang_decimal_point'], $lang_common['lang_thousands_sep']) : $number;
- }
- //
- // Generate a random key of length $len
- //
- function random_key($len, $readable = false, $hash = false)
- {
- if (!function_exists('secure_random_bytes'))
- include PUN_ROOT.'include/srand.php';
- $key = secure_random_bytes($len);
- if ($hash)
- return substr(bin2hex($key), 0, $len);
- else if ($readable)
- {
- $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
- $result = '';
- for ($i = 0; $i < $len; ++$i)
- $result .= substr($chars, (ord($key[$i]) % strlen($chars)), 1);
- return $result;
- }
- return $key;
- }
- //
- // Make sure that HTTP_REFERER matches base_url/script
- //
- function confirm_referrer($scripts, $error_msg = false)
- {
- global $lang_common;
- if (!is_array($scripts))
- $scripts = array($scripts);
- // There is no referrer
- if (empty($_SERVER['HTTP_REFERER']))
- message($error_msg ? $error_msg : $lang_common['Bad referrer']);
- $referrer = parse_url(strtolower($_SERVER['HTTP_REFERER']));
- // Remove www subdomain if it exists
- if (strpos($referrer['host'], 'www.') === 0)
- $referrer['host'] = substr($referrer['host'], 4);
- $valid_paths = array();
- foreach ($scripts as $script)
- {
- $valid = parse_url(strtolower(get_base_url().'/'.$script));
- // Remove www subdomain if it exists
- if (strpos($valid['host'], 'www.') === 0)
- $valid['host'] = substr($valid['host'], 4);
- $valid_host = $valid['host'];
- $valid_paths[] = $valid['path'];
- }
- // Check the host and path match. Ignore the scheme, port, etc.
- if ($referrer['host'] != $valid_host || !in_array($referrer['path'], $valid_paths, true))
- message($error_msg ? $error_msg : $lang_common['Bad referrer']);
- }
- //
- // Generate a random password of length $len
- // Compatibility wrapper for random_key
- //
- function random_pass($len)
- {
- return random_key($len, true);
- }
- //
- // Compute a hash of $str
- //
- function pun_hash($str)
- {
- return sha1($str);
- }
- //
- // Try to determine the correct remote IP-address
- //
- function get_remote_address()
- {
- $remote_addr = $_SERVER['REMOTE_ADDR'];
- // If we are behind a reverse proxy try to find the real users IP
- if (defined('FORUM_BEHIND_REVERSE_PROXY'))
- {
- if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
- {
- // The general format of the field is:
- // X-Forwarded-For: client1, proxy1, proxy2
- // where the value is a comma+space separated list of IP addresses, the left-most being the farthest downstream client,
- // and each successive proxy that passed the request adding the IP address where it received the request from.
- $forwarded_for = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
- $forwarded_for = trim($forwarded_for[0]);
- if (@preg_match('%^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$%', $forwarded_for) || @preg_match('%^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$%', $forwarded_for))
- $remote_addr = $forwarded_for;
- }
- }
- return $remote_addr;
- }
- //
- // Calls htmlspecialchars with a few options already set
- //
- function pun_htmlspecialchars($str)
- {
- return htmlspecialchars($str, ENT_QUOTES, 'UTF-8');
- }
- //
- // Calls htmlspecialchars_decode with a few options already set
- //
- function pun_htmlspecialchars_decode($str)
- {
- if (function_exists('htmlspecialchars_decode'))
- return htmlspecialchars_decode($str, ENT_QUOTES);
- static $translations;
- if (!isset($translations))
- {
- $translations = get_html_translation_table(HTML_SPECIALCHARS, ENT_QUOTES);
- $translations['''] = '\''; // get_html_translation_table doesn't include ' which is what htmlspecialchars translates ' to, but apparently that is okay?! http://bugs.php.net/bug.php?id=25927
- $translations = array_flip($translations);
- }
- return strtr($str, $translations);
- }
- //
- // A wrapper for utf8_strlen for compatibility
- //
- function pun_strlen($str)
- {
- return utf8_strlen($str);
- }
- //
- // Convert \r\n and \r to \n
- //
- function pun_linebreaks($str)
- {
- return str_replace(array("\r\n", "\r"), "\n", $str);
- }
- //
- // A wrapper for utf8_trim for compatibility
- //
- function pun_trim($str, $charlist = false)
- {
- return is_string($str) ? utf8_trim($str, $charlist) : '';
- }
- //
- // Checks if a string is in all uppercase
- //
- function is_all_uppercase($string)
- {
- return utf8_strtoupper($string) == $string && utf8_strtolower($string) != $string;
- }
- //
- // Inserts $element into $input at $offset
- // $offset can be either a numerical offset to insert at (eg: 0 inserts at the beginning of the array)
- // or a string, which is the key that the new element should be inserted before
- // $key is optional: it's used when inserting a new key/value pair into an associative array
- //
- function array_insert(&$input, $offset, $element, $key = null)
- {
- if (is_null($key))
- $key = $offset;
- // Determine the proper offset if we're using a string
- if (!is_int($offset))
- $offset = array_search($offset, array_keys($input), true);
- // Out of bounds checks
- if ($offset > 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;
- // 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 - <pun_include "*">
- preg_match_all('%<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">%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 - <pun_include "*">
- // START SUBST - <pun_language>
- $tpl_maint = str_replace('<pun_language>', $lang_common['lang_identifier'], $tpl_maint);
- // END SUBST - <pun_language>
- // START SUBST - <pun_content_direction>
- $tpl_maint = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_maint);
- // END SUBST - <pun_content_direction>
- // START SUBST - <pun_head>
- ob_start();
- $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Maintenance']);
- ?>
- <title><?php echo generate_page_title($page_title) ?></title>
- <link rel="stylesheet" type="text/css" href="style/<?php echo $pun_user['style'].'.css' ?>" />
- <?php
- $tpl_temp = trim(ob_get_contents());
- $tpl_maint = str_replace('<pun_head>', $tpl_temp, $tpl_maint);
- ob_end_clean();
- // END SUBST - <pun_head>
- // START SUBST - <pun_maint_main>
- ob_start();
- ?>
- <div class="block">
- <h2><?php echo $lang_common['Maintenance'] ?></h2>
- <div class="box">
- <div class="inbox">
- <p><?php echo $message ?></p>
- </div>
- </div>
- </div>
- <?php
- $tpl_temp = trim(ob_get_contents());
- $tpl_maint = str_replace('<pun_maint_main>', $tpl_temp, $tpl_maint);
- ob_end_clean();
- // END SUBST - <pun_maint_main>
- // 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 - <pun_include "*">
- preg_match_all('%<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">%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 - <pun_include "*">
- // START SUBST - <pun_language>
- $tpl_redir = str_replace('<pun_language>', $lang_common['lang_identifier'], $tpl_redir);
- // END SUBST - <pun_language>
- // START SUBST - <pun_content_direction>
- $tpl_redir = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_redir);
- // END SUBST - <pun_content_direction>
- // START SUBST - <pun_head>
- ob_start();
- $page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_common['Redirecting']);
- ?>
- <meta http-equiv="refresh" content="<?php echo $pun_config['o_redirect_delay'] ?>;URL=<?php echo $destination_url ?>" />
- <title><?php echo generate_page_title($page_title) ?></title>
- <link rel="stylesheet" type="text/css" href="style/<?php echo $pun_user['style'].'.css' ?>" />
- <?php
- $tpl_temp = trim(ob_get_contents());
- $tpl_redir = str_replace('<pun_head>', $tpl_temp, $tpl_redir);
- ob_end_clean();
- // END SUBST - <pun_head>
- // START SUBST - <pun_redir_main>
- ob_start();
- ?>
- <div class="block">
- <h2><?php echo $lang_common['Redirecting'] ?></h2>
- <div class="box">
- <div class="inbox">
- <p><?php echo $message.'<br /><br /><a href="'.$destination_url.'">'.$lang_common['Click redirect'].'</a>' ?></p>
- </div>
- </div>
- </div>
- <?php
- $tpl_temp = trim(ob_get_contents());
- $tpl_redir = str_replace('<pun_redir_main>', $tpl_temp, $tpl_redir);
- ob_end_clean();
- // END SUBST - <pun_redir_main>
- // START SUBST - <pun_footer>
- 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('<pun_footer>', $tpl_temp, $tpl_redir);
- ob_end_clean();
- // END SUBST - <pun_footer>
- // Close the db connection (and free up any result data)
- $db->close();
- exit($tpl_redir);
- }…
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