/forum/includes/functions.php
PHP | 4877 lines | 3407 code | 668 blank | 802 comment | 714 complexity | 77a1a3a415cf8219e9f455cc2f33e3b1 MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-3.0, MPL-2.0-no-copyleft-exception
- <?php
- /**
- *
- * @package phpBB3
- * @version $Id$
- * @copyright (c) 2005 phpBB Group
- * @license http://opensource.org/licenses/gpl-license.php GNU Public License
- *
- */
- /**
- * @ignore
- */
- if (!defined('IN_PHPBB'))
- {
- exit;
- }
- // Common global functions
- /**
- * set_var
- *
- * Set variable, used by {@link request_var the request_var function}
- *
- * @access private
- */
- function set_var(&$result, $var, $type, $multibyte = false)
- {
- settype($var, $type);
- $result = $var;
- if ($type == 'string')
- {
- $result = trim(htmlspecialchars(str_replace(array("\r\n", "\r", "\0"), array("\n", "\n", ''), $result), ENT_COMPAT, 'UTF-8'));
- if (!empty($result))
- {
- // Make sure multibyte characters are wellformed
- if ($multibyte)
- {
- if (!preg_match('/^./u', $result))
- {
- $result = '';
- }
- }
- else
- {
- // no multibyte, allow only ASCII (0-127)
- $result = preg_replace('/[\x80-\xFF]/', '?', $result);
- }
- }
- $result = (STRIP) ? stripslashes($result) : $result;
- }
- }
- /**
- * request_var
- *
- * Used to get passed variable
- */
- function request_var($var_name, $default, $multibyte = false, $cookie = false)
- {
- if (!$cookie && isset($_COOKIE[$var_name]))
- {
- if (!isset($_GET[$var_name]) && !isset($_POST[$var_name]))
- {
- return (is_array($default)) ? array() : $default;
- }
- $_REQUEST[$var_name] = isset($_POST[$var_name]) ? $_POST[$var_name] : $_GET[$var_name];
- }
- $super_global = ($cookie) ? '_COOKIE' : '_REQUEST';
- if (!isset($GLOBALS[$super_global][$var_name]) || is_array($GLOBALS[$super_global][$var_name]) != is_array($default))
- {
- return (is_array($default)) ? array() : $default;
- }
- $var = $GLOBALS[$super_global][$var_name];
- if (!is_array($default))
- {
- $type = gettype($default);
- }
- else
- {
- list($key_type, $type) = each($default);
- $type = gettype($type);
- $key_type = gettype($key_type);
- if ($type == 'array')
- {
- reset($default);
- $default = current($default);
- list($sub_key_type, $sub_type) = each($default);
- $sub_type = gettype($sub_type);
- $sub_type = ($sub_type == 'array') ? 'NULL' : $sub_type;
- $sub_key_type = gettype($sub_key_type);
- }
- }
- if (is_array($var))
- {
- $_var = $var;
- $var = array();
- foreach ($_var as $k => $v)
- {
- set_var($k, $k, $key_type);
- if ($type == 'array' && is_array($v))
- {
- foreach ($v as $_k => $_v)
- {
- if (is_array($_v))
- {
- $_v = null;
- }
- set_var($_k, $_k, $sub_key_type, $multibyte);
- set_var($var[$k][$_k], $_v, $sub_type, $multibyte);
- }
- }
- else
- {
- if ($type == 'array' || is_array($v))
- {
- $v = null;
- }
- set_var($var[$k], $v, $type, $multibyte);
- }
- }
- }
- else
- {
- set_var($var, $var, $type, $multibyte);
- }
- return $var;
- }
- /**
- * Set config value. Creates missing config entry.
- */
- function set_config($config_name, $config_value, $is_dynamic = false)
- {
- global $db, $cache, $config;
- $sql = 'UPDATE ' . CONFIG_TABLE . "
- SET config_value = '" . $db->sql_escape($config_value) . "'
- WHERE config_name = '" . $db->sql_escape($config_name) . "'";
- $db->sql_query($sql);
- if (!$db->sql_affectedrows() && !isset($config[$config_name]))
- {
- $sql = 'INSERT INTO ' . CONFIG_TABLE . ' ' . $db->sql_build_array('INSERT', array(
- 'config_name' => $config_name,
- 'config_value' => $config_value,
- 'is_dynamic' => ($is_dynamic) ? 1 : 0));
- $db->sql_query($sql);
- }
- $config[$config_name] = $config_value;
- if (!$is_dynamic)
- {
- $cache->destroy('config');
- }
- }
- /**
- * Set dynamic config value with arithmetic operation.
- */
- function set_config_count($config_name, $increment, $is_dynamic = false)
- {
- global $db, $cache;
- switch ($db->sql_layer)
- {
- case 'firebird':
- // Precision must be from 1 to 18
- $sql_update = 'CAST(CAST(config_value as DECIMAL(18, 0)) + ' . (int) $increment . ' as VARCHAR(255))';
- break;
- case 'postgres':
- // Need to cast to text first for PostgreSQL 7.x
- $sql_update = 'CAST(CAST(config_value::text as DECIMAL(255, 0)) + ' . (int) $increment . ' as VARCHAR(255))';
- break;
- // MySQL, SQlite, mssql, mssql_odbc, oracle
- default:
- $sql_update = 'config_value + ' . (int) $increment;
- break;
- }
- $db->sql_query('UPDATE ' . CONFIG_TABLE . ' SET config_value = ' . $sql_update . " WHERE config_name = '" . $db->sql_escape($config_name) . "'");
- if (!$is_dynamic)
- {
- $cache->destroy('config');
- }
- }
- /**
- * Generates an alphanumeric random string of given length
- *
- * @return string
- */
- function gen_rand_string($num_chars = 8)
- {
- // [a, z] + [0, 9] = 36
- return substr(strtoupper(base_convert(unique_id(), 16, 36)), 0, $num_chars);
- }
- /**
- * Generates a user-friendly alphanumeric random string of given length
- * We remove 0 and O so users cannot confuse those in passwords etc.
- *
- * @return string
- */
- function gen_rand_string_friendly($num_chars = 8)
- {
- $rand_str = unique_id();
- // Remove Z and Y from the base_convert(), replace 0 with Z and O with Y
- // [a, z] + [0, 9] - {z, y} = [a, z] + [0, 9] - {0, o} = 34
- $rand_str = str_replace(array('0', 'O'), array('Z', 'Y'), strtoupper(base_convert($rand_str, 16, 34)));
- return substr($rand_str, 0, $num_chars);
- }
- /**
- * Return unique id
- * @param string $extra additional entropy
- */
- function unique_id($extra = 'c')
- {
- static $dss_seeded = false;
- global $config;
- $val = $config['rand_seed'] . microtime();
- $val = md5($val);
- $config['rand_seed'] = md5($config['rand_seed'] . $val . $extra);
- if ($dss_seeded !== true && ($config['rand_seed_last_update'] < time() - rand(1,10)))
- {
- set_config('rand_seed_last_update', time(), true);
- set_config('rand_seed', $config['rand_seed'], true);
- $dss_seeded = true;
- }
- return substr($val, 4, 16);
- }
- /**
- * Wrapper for mt_rand() which allows swapping $min and $max parameters.
- *
- * PHP does not allow us to swap the order of the arguments for mt_rand() anymore.
- * (since PHP 5.3.4, see http://bugs.php.net/46587)
- *
- * @param int $min Lowest value to be returned
- * @param int $max Highest value to be returned
- *
- * @return int Random integer between $min and $max (or $max and $min)
- */
- function phpbb_mt_rand($min, $max)
- {
- return ($min > $max) ? mt_rand($max, $min) : mt_rand($min, $max);
- }
- /**
- * Return formatted string for filesizes
- *
- * @param int $value filesize in bytes
- * @param bool $string_only true if language string should be returned
- * @param array $allowed_units only allow these units (data array indexes)
- *
- * @return mixed data array if $string_only is false
- * @author bantu
- */
- function get_formatted_filesize($value, $string_only = true, $allowed_units = false)
- {
- global $user;
- $available_units = array(
- 'gb' => array(
- 'min' => 1073741824, // pow(2, 30)
- 'index' => 3,
- 'si_unit' => 'GB',
- 'iec_unit' => 'GIB',
- ),
- 'mb' => array(
- 'min' => 1048576, // pow(2, 20)
- 'index' => 2,
- 'si_unit' => 'MB',
- 'iec_unit' => 'MIB',
- ),
- 'kb' => array(
- 'min' => 1024, // pow(2, 10)
- 'index' => 1,
- 'si_unit' => 'KB',
- 'iec_unit' => 'KIB',
- ),
- 'b' => array(
- 'min' => 0,
- 'index' => 0,
- 'si_unit' => 'BYTES', // Language index
- 'iec_unit' => 'BYTES', // Language index
- ),
- );
- foreach ($available_units as $si_identifier => $unit_info)
- {
- if (!empty($allowed_units) && $si_identifier != 'b' && !in_array($si_identifier, $allowed_units))
- {
- continue;
- }
- if ($value >= $unit_info['min'])
- {
- $unit_info['si_identifier'] = $si_identifier;
- break;
- }
- }
- unset($available_units);
- for ($i = 0; $i < $unit_info['index']; $i++)
- {
- $value /= 1024;
- }
- $value = round($value, 2);
- // Lookup units in language dictionary
- $unit_info['si_unit'] = (isset($user->lang[$unit_info['si_unit']])) ? $user->lang[$unit_info['si_unit']] : $unit_info['si_unit'];
- $unit_info['iec_unit'] = (isset($user->lang[$unit_info['iec_unit']])) ? $user->lang[$unit_info['iec_unit']] : $unit_info['iec_unit'];
- // Default to IEC
- $unit_info['unit'] = $unit_info['iec_unit'];
- if (!$string_only)
- {
- $unit_info['value'] = $value;
- return $unit_info;
- }
- return $value . ' ' . $unit_info['unit'];
- }
- /**
- * Determine whether we are approaching the maximum execution time. Should be called once
- * at the beginning of the script in which it's used.
- * @return bool Either true if the maximum execution time is nearly reached, or false
- * if some time is still left.
- */
- function still_on_time($extra_time = 15)
- {
- static $max_execution_time, $start_time;
- $time = explode(' ', microtime());
- $current_time = $time[0] + $time[1];
- if (empty($max_execution_time))
- {
- $max_execution_time = (function_exists('ini_get')) ? (int) @ini_get('max_execution_time') : (int) @get_cfg_var('max_execution_time');
- // If zero, then set to something higher to not let the user catch the ten seconds barrier.
- if ($max_execution_time === 0)
- {
- $max_execution_time = 50 + $extra_time;
- }
- $max_execution_time = min(max(10, ($max_execution_time - $extra_time)), 50);
- // For debugging purposes
- // $max_execution_time = 10;
- global $starttime;
- $start_time = (empty($starttime)) ? $current_time : $starttime;
- }
- return (ceil($current_time - $start_time) < $max_execution_time) ? true : false;
- }
- /**
- *
- * @version Version 0.1 / slightly modified for phpBB 3.0.x (using $H$ as hash type identifier)
- *
- * Portable PHP password hashing framework.
- *
- * Written by Solar Designer <solar at openwall.com> in 2004-2006 and placed in
- * the public domain.
- *
- * There's absolutely no warranty.
- *
- * The homepage URL for this framework is:
- *
- * http://www.openwall.com/phpass/
- *
- * Please be sure to update the Version line if you edit this file in any way.
- * It is suggested that you leave the main version number intact, but indicate
- * your project name (after the slash) and add your own revision information.
- *
- * Please do not change the "private" password hashing method implemented in
- * here, thereby making your hashes incompatible. However, if you must, please
- * change the hash type identifier (the "$P$") to something different.
- *
- * Obviously, since this code is in the public domain, the above are not
- * requirements (there can be none), but merely suggestions.
- *
- *
- * Hash the password
- */
- function phpbb_hash($password)
- {
- $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
- $random_state = unique_id();
- $random = '';
- $count = 6;
- if (($fh = @fopen('/dev/urandom', 'rb')))
- {
- $random = fread($fh, $count);
- fclose($fh);
- }
- if (strlen($random) < $count)
- {
- $random = '';
- for ($i = 0; $i < $count; $i += 16)
- {
- $random_state = md5(unique_id() . $random_state);
- $random .= pack('H*', md5($random_state));
- }
- $random = substr($random, 0, $count);
- }
- $hash = _hash_crypt_private($password, _hash_gensalt_private($random, $itoa64), $itoa64);
- if (strlen($hash) == 34)
- {
- return $hash;
- }
- return md5($password);
- }
- /**
- * Check for correct password
- *
- * @param string $password The password in plain text
- * @param string $hash The stored password hash
- *
- * @return bool Returns true if the password is correct, false if not.
- */
- function phpbb_check_hash($password, $hash)
- {
- $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
- if (strlen($hash) == 34)
- {
- return (_hash_crypt_private($password, $hash, $itoa64) === $hash) ? true : false;
- }
- return (md5($password) === $hash) ? true : false;
- }
- /**
- * Generate salt for hash generation
- */
- function _hash_gensalt_private($input, &$itoa64, $iteration_count_log2 = 6)
- {
- if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31)
- {
- $iteration_count_log2 = 8;
- }
- $output = '$H$';
- $output .= $itoa64[min($iteration_count_log2 + ((PHP_VERSION >= 5) ? 5 : 3), 30)];
- $output .= _hash_encode64($input, 6, $itoa64);
- return $output;
- }
- /**
- * Encode hash
- */
- function _hash_encode64($input, $count, &$itoa64)
- {
- $output = '';
- $i = 0;
- do
- {
- $value = ord($input[$i++]);
- $output .= $itoa64[$value & 0x3f];
- if ($i < $count)
- {
- $value |= ord($input[$i]) << 8;
- }
- $output .= $itoa64[($value >> 6) & 0x3f];
- if ($i++ >= $count)
- {
- break;
- }
- if ($i < $count)
- {
- $value |= ord($input[$i]) << 16;
- }
- $output .= $itoa64[($value >> 12) & 0x3f];
- if ($i++ >= $count)
- {
- break;
- }
- $output .= $itoa64[($value >> 18) & 0x3f];
- }
- while ($i < $count);
- return $output;
- }
- /**
- * The crypt function/replacement
- */
- function _hash_crypt_private($password, $setting, &$itoa64)
- {
- $output = '*';
- // Check for correct hash
- if (substr($setting, 0, 3) != '$H$' && substr($setting, 0, 3) != '$P$')
- {
- return $output;
- }
- $count_log2 = strpos($itoa64, $setting[3]);
- if ($count_log2 < 7 || $count_log2 > 30)
- {
- return $output;
- }
- $count = 1 << $count_log2;
- $salt = substr($setting, 4, 8);
- if (strlen($salt) != 8)
- {
- return $output;
- }
- /**
- * We're kind of forced to use MD5 here since it's the only
- * cryptographic primitive available in all versions of PHP
- * currently in use. To implement our own low-level crypto
- * in PHP would result in much worse performance and
- * consequently in lower iteration counts and hashes that are
- * quicker to crack (by non-PHP code).
- */
- if (PHP_VERSION >= 5)
- {
- $hash = md5($salt . $password, true);
- do
- {
- $hash = md5($hash . $password, true);
- }
- while (--$count);
- }
- else
- {
- $hash = pack('H*', md5($salt . $password));
- do
- {
- $hash = pack('H*', md5($hash . $password));
- }
- while (--$count);
- }
- $output = substr($setting, 0, 12);
- $output .= _hash_encode64($hash, 16, $itoa64);
- return $output;
- }
- /**
- * Hashes an email address to a big integer
- *
- * @param string $email Email address
- *
- * @return string Unsigned Big Integer
- */
- function phpbb_email_hash($email)
- {
- return sprintf('%u', crc32(strtolower($email))) . strlen($email);
- }
- /**
- * Global function for chmodding directories and files for internal use
- *
- * This function determines owner and group whom the file belongs to and user and group of PHP and then set safest possible file permissions.
- * The function determines owner and group from common.php file and sets the same to the provided file.
- * The function uses bit fields to build the permissions.
- * The function sets the appropiate execute bit on directories.
- *
- * Supported constants representing bit fields are:
- *
- * CHMOD_ALL - all permissions (7)
- * CHMOD_READ - read permission (4)
- * CHMOD_WRITE - write permission (2)
- * CHMOD_EXECUTE - execute permission (1)
- *
- * NOTE: The function uses POSIX extension and fileowner()/filegroup() functions. If any of them is disabled, this function tries to build proper permissions, by calling is_readable() and is_writable() functions.
- *
- * @param string $filename The file/directory to be chmodded
- * @param int $perms Permissions to set
- *
- * @return bool true on success, otherwise false
- * @author faw, phpBB Group
- */
- function phpbb_chmod($filename, $perms = CHMOD_READ)
- {
- static $_chmod_info;
- // Return if the file no longer exists.
- if (!file_exists($filename))
- {
- return false;
- }
- // Determine some common vars
- if (empty($_chmod_info))
- {
- if (!function_exists('fileowner') || !function_exists('filegroup'))
- {
- // No need to further determine owner/group - it is unknown
- $_chmod_info['process'] = false;
- }
- else
- {
- global $phpbb_root_path, $phpEx;
- // Determine owner/group of common.php file and the filename we want to change here
- $common_php_owner = @fileowner($phpbb_root_path . 'common.' . $phpEx);
- $common_php_group = @filegroup($phpbb_root_path . 'common.' . $phpEx);
- // And the owner and the groups PHP is running under.
- $php_uid = (function_exists('posix_getuid')) ? @posix_getuid() : false;
- $php_gids = (function_exists('posix_getgroups')) ? @posix_getgroups() : false;
- // If we are unable to get owner/group, then do not try to set them by guessing
- if (!$php_uid || empty($php_gids) || !$common_php_owner || !$common_php_group)
- {
- $_chmod_info['process'] = false;
- }
- else
- {
- $_chmod_info = array(
- 'process' => true,
- 'common_owner' => $common_php_owner,
- 'common_group' => $common_php_group,
- 'php_uid' => $php_uid,
- 'php_gids' => $php_gids,
- );
- }
- }
- }
- if ($_chmod_info['process'])
- {
- $file_uid = @fileowner($filename);
- $file_gid = @filegroup($filename);
- // Change owner
- if (@chown($filename, $_chmod_info['common_owner']))
- {
- clearstatcache();
- $file_uid = @fileowner($filename);
- }
- // Change group
- if (@chgrp($filename, $_chmod_info['common_group']))
- {
- clearstatcache();
- $file_gid = @filegroup($filename);
- }
- // If the file_uid/gid now match the one from common.php we can process further, else we are not able to change something
- if ($file_uid != $_chmod_info['common_owner'] || $file_gid != $_chmod_info['common_group'])
- {
- $_chmod_info['process'] = false;
- }
- }
- // Still able to process?
- if ($_chmod_info['process'])
- {
- if ($file_uid == $_chmod_info['php_uid'])
- {
- $php = 'owner';
- }
- else if (in_array($file_gid, $_chmod_info['php_gids']))
- {
- $php = 'group';
- }
- else
- {
- // Since we are setting the everyone bit anyway, no need to do expensive operations
- $_chmod_info['process'] = false;
- }
- }
- // We are not able to determine or change something
- if (!$_chmod_info['process'])
- {
- $php = 'other';
- }
- // Owner always has read/write permission
- $owner = CHMOD_READ | CHMOD_WRITE;
- if (is_dir($filename))
- {
- $owner |= CHMOD_EXECUTE;
- // Only add execute bit to the permission if the dir needs to be readable
- if ($perms & CHMOD_READ)
- {
- $perms |= CHMOD_EXECUTE;
- }
- }
- switch ($php)
- {
- case 'owner':
- $result = @chmod($filename, ($owner << 6) + (0 << 3) + (0 << 0));
- clearstatcache();
- if (is_readable($filename) && phpbb_is_writable($filename))
- {
- break;
- }
- case 'group':
- $result = @chmod($filename, ($owner << 6) + ($perms << 3) + (0 << 0));
- clearstatcache();
- if ((!($perms & CHMOD_READ) || is_readable($filename)) && (!($perms & CHMOD_WRITE) || phpbb_is_writable($filename)))
- {
- break;
- }
- case 'other':
- $result = @chmod($filename, ($owner << 6) + ($perms << 3) + ($perms << 0));
- clearstatcache();
- if ((!($perms & CHMOD_READ) || is_readable($filename)) && (!($perms & CHMOD_WRITE) || phpbb_is_writable($filename)))
- {
- break;
- }
- default:
- return false;
- break;
- }
- return $result;
- }
- /**
- * Test if a file/directory is writable
- *
- * This function calls the native is_writable() when not running under
- * Windows and it is not disabled.
- *
- * @param string $file Path to perform write test on
- * @return bool True when the path is writable, otherwise false.
- */
- function phpbb_is_writable($file)
- {
- if (strtolower(substr(PHP_OS, 0, 3)) === 'win' || !function_exists('is_writable'))
- {
- if (file_exists($file))
- {
- // Canonicalise path to absolute path
- $file = phpbb_realpath($file);
- if (is_dir($file))
- {
- // Test directory by creating a file inside the directory
- $result = @tempnam($file, 'i_w');
- if (is_string($result) && file_exists($result))
- {
- unlink($result);
- // Ensure the file is actually in the directory (returned realpathed)
- return (strpos($result, $file) === 0) ? true : false;
- }
- }
- else
- {
- $handle = @fopen($file, 'r+');
- if (is_resource($handle))
- {
- fclose($handle);
- return true;
- }
- }
- }
- else
- {
- // file does not exist test if we can write to the directory
- $dir = dirname($file);
- if (file_exists($dir) && is_dir($dir) && phpbb_is_writable($dir))
- {
- return true;
- }
- }
- return false;
- }
- else
- {
- return is_writable($file);
- }
- }
- // Compatibility functions
- if (!function_exists('array_combine'))
- {
- /**
- * A wrapper for the PHP5 function array_combine()
- * @param array $keys contains keys for the resulting array
- * @param array $values contains values for the resulting array
- *
- * @return Returns an array by using the values from the keys array as keys and the
- * values from the values array as the corresponding values. Returns false if the
- * number of elements for each array isn't equal or if the arrays are empty.
- */
- function array_combine($keys, $values)
- {
- $keys = array_values($keys);
- $values = array_values($values);
- $n = sizeof($keys);
- $m = sizeof($values);
- if (!$n || !$m || ($n != $m))
- {
- return false;
- }
- $combined = array();
- for ($i = 0; $i < $n; $i++)
- {
- $combined[$keys[$i]] = $values[$i];
- }
- return $combined;
- }
- }
- if (!function_exists('str_split'))
- {
- /**
- * A wrapper for the PHP5 function str_split()
- * @param array $string contains the string to be converted
- * @param array $split_length contains the length of each chunk
- *
- * @return Converts a string to an array. If the optional split_length parameter is specified,
- * the returned array will be broken down into chunks with each being split_length in length,
- * otherwise each chunk will be one character in length. FALSE is returned if split_length is
- * less than 1. If the split_length length exceeds the length of string, the entire string is
- * returned as the first (and only) array element.
- */
- function str_split($string, $split_length = 1)
- {
- if ($split_length < 1)
- {
- return false;
- }
- else if ($split_length >= strlen($string))
- {
- return array($string);
- }
- else
- {
- preg_match_all('#.{1,' . $split_length . '}#s', $string, $matches);
- return $matches[0];
- }
- }
- }
- if (!function_exists('stripos'))
- {
- /**
- * A wrapper for the PHP5 function stripos
- * Find position of first occurrence of a case-insensitive string
- *
- * @param string $haystack is the string to search in
- * @param string $needle is the string to search for
- *
- * @return mixed Returns the numeric position of the first occurrence of needle in the haystack string. Unlike strpos(), stripos() is case-insensitive.
- * Note that the needle may be a string of one or more characters.
- * If needle is not found, stripos() will return boolean FALSE.
- */
- function stripos($haystack, $needle)
- {
- if (preg_match('#' . preg_quote($needle, '#') . '#i', $haystack, $m))
- {
- return strpos($haystack, $m[0]);
- }
- return false;
- }
- }
- /**
- * Checks if a path ($path) is absolute or relative
- *
- * @param string $path Path to check absoluteness of
- * @return boolean
- */
- function is_absolute($path)
- {
- return ($path[0] == '/' || (DIRECTORY_SEPARATOR == '\\' && preg_match('#^[a-z]:[/\\\]#i', $path))) ? true : false;
- }
- /**
- * @author Chris Smith <chris@project-minerva.org>
- * @copyright 2006 Project Minerva Team
- * @param string $path The path which we should attempt to resolve.
- * @return mixed
- */
- function phpbb_own_realpath($path)
- {
- // Now to perform funky shizzle
- // Switch to use UNIX slashes
- $path = str_replace(DIRECTORY_SEPARATOR, '/', $path);
- $path_prefix = '';
- // Determine what sort of path we have
- if (is_absolute($path))
- {
- $absolute = true;
- if ($path[0] == '/')
- {
- // Absolute path, *NIX style
- $path_prefix = '';
- }
- else
- {
- // Absolute path, Windows style
- // Remove the drive letter and colon
- $path_prefix = $path[0] . ':';
- $path = substr($path, 2);
- }
- }
- else
- {
- // Relative Path
- // Prepend the current working directory
- if (function_exists('getcwd'))
- {
- // This is the best method, hopefully it is enabled!
- $path = str_replace(DIRECTORY_SEPARATOR, '/', getcwd()) . '/' . $path;
- $absolute = true;
- if (preg_match('#^[a-z]:#i', $path))
- {
- $path_prefix = $path[0] . ':';
- $path = substr($path, 2);
- }
- else
- {
- $path_prefix = '';
- }
- }
- else if (isset($_SERVER['SCRIPT_FILENAME']) && !empty($_SERVER['SCRIPT_FILENAME']))
- {
- // Warning: If chdir() has been used this will lie!
- // Warning: This has some problems sometime (CLI can create them easily)
- $path = str_replace(DIRECTORY_SEPARATOR, '/', dirname($_SERVER['SCRIPT_FILENAME'])) . '/' . $path;
- $absolute = true;
- $path_prefix = '';
- }
- else
- {
- // We have no way of getting the absolute path, just run on using relative ones.
- $absolute = false;
- $path_prefix = '.';
- }
- }
- // Remove any repeated slashes
- $path = preg_replace('#/{2,}#', '/', $path);
- // Remove the slashes from the start and end of the path
- $path = trim($path, '/');
- // Break the string into little bits for us to nibble on
- $bits = explode('/', $path);
- // Remove any . in the path, renumber array for the loop below
- $bits = array_values(array_diff($bits, array('.')));
- // Lets get looping, run over and resolve any .. (up directory)
- for ($i = 0, $max = sizeof($bits); $i < $max; $i++)
- {
- // @todo Optimise
- if ($bits[$i] == '..' )
- {
- if (isset($bits[$i - 1]))
- {
- if ($bits[$i - 1] != '..')
- {
- // We found a .. and we are able to traverse upwards, lets do it!
- unset($bits[$i]);
- unset($bits[$i - 1]);
- $i -= 2;
- $max -= 2;
- $bits = array_values($bits);
- }
- }
- else if ($absolute) // ie. !isset($bits[$i - 1]) && $absolute
- {
- // We have an absolute path trying to descend above the root of the filesystem
- // ... Error!
- return false;
- }
- }
- }
- // Prepend the path prefix
- array_unshift($bits, $path_prefix);
- $resolved = '';
- $max = sizeof($bits) - 1;
- // Check if we are able to resolve symlinks, Windows cannot.
- $symlink_resolve = (function_exists('readlink')) ? true : false;
- foreach ($bits as $i => $bit)
- {
- if (@is_dir("$resolved/$bit") || ($i == $max && @is_file("$resolved/$bit")))
- {
- // Path Exists
- if ($symlink_resolve && is_link("$resolved/$bit") && ($link = readlink("$resolved/$bit")))
- {
- // Resolved a symlink.
- $resolved = $link . (($i == $max) ? '' : '/');
- continue;
- }
- }
- else
- {
- // Something doesn't exist here!
- // This is correct realpath() behaviour but sadly open_basedir and safe_mode make this problematic
- // return false;
- }
- $resolved .= $bit . (($i == $max) ? '' : '/');
- }
- // @todo If the file exists fine and open_basedir only has one path we should be able to prepend it
- // because we must be inside that basedir, the question is where...
- // @internal The slash in is_dir() gets around an open_basedir restriction
- if (!@file_exists($resolved) || (!@is_dir($resolved . '/') && !is_file($resolved)))
- {
- return false;
- }
- // Put the slashes back to the native operating systems slashes
- $resolved = str_replace('/', DIRECTORY_SEPARATOR, $resolved);
- // Check for DIRECTORY_SEPARATOR at the end (and remove it!)
- if (substr($resolved, -1) == DIRECTORY_SEPARATOR)
- {
- return substr($resolved, 0, -1);
- }
- return $resolved; // We got here, in the end!
- }
- if (!function_exists('realpath'))
- {
- /**
- * A wrapper for realpath
- * @ignore
- */
- function phpbb_realpath($path)
- {
- return phpbb_own_realpath($path);
- }
- }
- else
- {
- /**
- * A wrapper for realpath
- */
- function phpbb_realpath($path)
- {
- $realpath = realpath($path);
- // Strangely there are provider not disabling realpath but returning strange values. :o
- // We at least try to cope with them.
- if ($realpath === $path || $realpath === false)
- {
- return phpbb_own_realpath($path);
- }
- // Check for DIRECTORY_SEPARATOR at the end (and remove it!)
- if (substr($realpath, -1) == DIRECTORY_SEPARATOR)
- {
- $realpath = substr($realpath, 0, -1);
- }
- return $realpath;
- }
- }
- if (!function_exists('htmlspecialchars_decode'))
- {
- /**
- * A wrapper for htmlspecialchars_decode
- * @ignore
- */
- function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT)
- {
- return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
- }
- }
- // functions used for building option fields
- /**
- * Pick a language, any language ...
- */
- function language_select($default = '')
- {
- global $db;
- $sql = 'SELECT lang_iso, lang_local_name
- FROM ' . LANG_TABLE . '
- ORDER BY lang_english_name';
- $result = $db->sql_query($sql);
- $lang_options = '';
- while ($row = $db->sql_fetchrow($result))
- {
- $selected = ($row['lang_iso'] == $default) ? ' selected="selected"' : '';
- $lang_options .= '<option value="' . $row['lang_iso'] . '"' . $selected . '>' . $row['lang_local_name'] . '</option>';
- }
- $db->sql_freeresult($result);
- return $lang_options;
- }
- /**
- * Pick a template/theme combo,
- */
- function style_select($default = '', $all = false)
- {
- global $db;
- $sql_where = (!$all) ? 'WHERE style_active = 1 ' : '';
- $sql = 'SELECT style_id, style_name
- FROM ' . STYLES_TABLE . "
- $sql_where
- ORDER BY style_name";
- $result = $db->sql_query($sql);
- $style_options = '';
- while ($row = $db->sql_fetchrow($result))
- {
- $selected = ($row['style_id'] == $default) ? ' selected="selected"' : '';
- $style_options .= '<option value="' . $row['style_id'] . '"' . $selected . '>' . $row['style_name'] . '</option>';
- }
- $db->sql_freeresult($result);
- return $style_options;
- }
- /**
- * Pick a timezone
- */
- function tz_select($default = '', $truncate = false)
- {
- global $user;
- $tz_select = '';
- $timezones = automatic_dst_get_timezones();
- foreach ($timezones as $id => $zone)
- {
- if ($truncate)
- {
- $zone_trunc = truncate_string($zone, 50, 255, false, '...');
- }
- else
- {
- $zone_trunc = $zone;
- }
- $selected = ($id == $default) ? ' selected="selected"' : '';
- $tz_select .= '<option title="' . $zone . '" value="' . $id . '"' . $selected . '>' . $zone_trunc . '</option>';
- }
- return $tz_select;
- }
- // Functions handling topic/post tracking/marking
- /**
- * Marks a topic/forum as read
- * Marks a topic as posted to
- *
- * @param int $user_id can only be used with $mode == 'post'
- */
- function markread($mode, $forum_id = false, $topic_id = false, $post_time = 0, $user_id = 0)
- {
- global $db, $user, $config;
- if ($mode == 'all')
- {
- if ($forum_id === false || !sizeof($forum_id))
- {
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- // Mark all forums read (index page)
- $db->sql_query('DELETE FROM ' . TOPICS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']}");
- $db->sql_query('DELETE FROM ' . FORUMS_TRACK_TABLE . " WHERE user_id = {$user->data['user_id']}");
- $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . time() . " WHERE user_id = {$user->data['user_id']}");
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
- $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
- unset($tracking_topics['tf']);
- unset($tracking_topics['t']);
- unset($tracking_topics['f']);
- $tracking_topics['l'] = base_convert(time() - $config['board_startdate'], 10, 36);
- $user->set_cookie('track', tracking_serialize($tracking_topics), time() + 31536000);
- $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking_topics)) : tracking_serialize($tracking_topics);
- unset($tracking_topics);
- if ($user->data['is_registered'])
- {
- $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . time() . " WHERE user_id = {$user->data['user_id']}");
- }
- }
- }
- return;
- }
- else if ($mode == 'topics')
- {
- // Mark all topics in forums read
- if (!is_array($forum_id))
- {
- $forum_id = array($forum_id);
- }
- // Add 0 to forums array to mark global announcements correctly
- // $forum_id[] = 0;
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- $sql = 'DELETE FROM ' . TOPICS_TRACK_TABLE . "
- WHERE user_id = {$user->data['user_id']}
- AND " . $db->sql_in_set('forum_id', $forum_id);
- $db->sql_query($sql);
- $sql = 'SELECT forum_id
- FROM ' . FORUMS_TRACK_TABLE . "
- WHERE user_id = {$user->data['user_id']}
- AND " . $db->sql_in_set('forum_id', $forum_id);
- $result = $db->sql_query($sql);
- $sql_update = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $sql_update[] = (int) $row['forum_id'];
- }
- $db->sql_freeresult($result);
- if (sizeof($sql_update))
- {
- $sql = 'UPDATE ' . FORUMS_TRACK_TABLE . '
- SET mark_time = ' . time() . "
- WHERE user_id = {$user->data['user_id']}
- AND " . $db->sql_in_set('forum_id', $sql_update);
- $db->sql_query($sql);
- }
- if ($sql_insert = array_diff($forum_id, $sql_update))
- {
- $sql_ary = array();
- foreach ($sql_insert as $f_id)
- {
- $sql_ary[] = array(
- 'user_id' => (int) $user->data['user_id'],
- 'forum_id' => (int) $f_id,
- 'mark_time' => time()
- );
- }
- $db->sql_multi_insert(FORUMS_TRACK_TABLE, $sql_ary);
- }
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- $tracking = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
- $tracking = ($tracking) ? tracking_unserialize($tracking) : array();
- foreach ($forum_id as $f_id)
- {
- $topic_ids36 = (isset($tracking['tf'][$f_id])) ? $tracking['tf'][$f_id] : array();
- if (isset($tracking['tf'][$f_id]))
- {
- unset($tracking['tf'][$f_id]);
- }
- foreach ($topic_ids36 as $topic_id36)
- {
- unset($tracking['t'][$topic_id36]);
- }
- if (isset($tracking['f'][$f_id]))
- {
- unset($tracking['f'][$f_id]);
- }
- $tracking['f'][$f_id] = base_convert(time() - $config['board_startdate'], 10, 36);
- }
- if (isset($tracking['tf']) && empty($tracking['tf']))
- {
- unset($tracking['tf']);
- }
- $user->set_cookie('track', tracking_serialize($tracking), time() + 31536000);
- $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking)) : tracking_serialize($tracking);
- unset($tracking);
- }
- return;
- }
- else if ($mode == 'topic')
- {
- if ($topic_id === false || $forum_id === false)
- {
- return;
- }
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- $sql = 'UPDATE ' . TOPICS_TRACK_TABLE . '
- SET mark_time = ' . (($post_time) ? $post_time : time()) . "
- WHERE user_id = {$user->data['user_id']}
- AND topic_id = $topic_id";
- $db->sql_query($sql);
- // insert row
- if (!$db->sql_affectedrows())
- {
- $db->sql_return_on_error(true);
- $sql_ary = array(
- 'user_id' => (int) $user->data['user_id'],
- 'topic_id' => (int) $topic_id,
- 'forum_id' => (int) $forum_id,
- 'mark_time' => ($post_time) ? (int) $post_time : time(),
- );
- $db->sql_query('INSERT INTO ' . TOPICS_TRACK_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
- $db->sql_return_on_error(false);
- }
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- $tracking = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
- $tracking = ($tracking) ? tracking_unserialize($tracking) : array();
- $topic_id36 = base_convert($topic_id, 10, 36);
- if (!isset($tracking['t'][$topic_id36]))
- {
- $tracking['tf'][$forum_id][$topic_id36] = true;
- }
- $post_time = ($post_time) ? $post_time : time();
- $tracking['t'][$topic_id36] = base_convert($post_time - $config['board_startdate'], 10, 36);
- // If the cookie grows larger than 10000 characters we will remove the smallest value
- // This can result in old topics being unread - but most of the time it should be accurate...
- if (isset($_COOKIE[$config['cookie_name'] . '_track']) && strlen($_COOKIE[$config['cookie_name'] . '_track']) > 10000)
- {
- //echo 'Cookie grown too large' . print_r($tracking, true);
- // We get the ten most minimum stored time offsets and its associated topic ids
- $time_keys = array();
- for ($i = 0; $i < 10 && sizeof($tracking['t']); $i++)
- {
- $min_value = min($tracking['t']);
- $m_tkey = array_search($min_value, $tracking['t']);
- unset($tracking['t'][$m_tkey]);
- $time_keys[$m_tkey] = $min_value;
- }
- // Now remove the topic ids from the array...
- foreach ($tracking['tf'] as $f_id => $topic_id_ary)
- {
- foreach ($time_keys as $m_tkey => $min_value)
- {
- if (isset($topic_id_ary[$m_tkey]))
- {
- $tracking['f'][$f_id] = $min_value;
- unset($tracking['tf'][$f_id][$m_tkey]);
- }
- }
- }
- if ($user->data['is_registered'])
- {
- $user->data['user_lastmark'] = intval(base_convert(max($time_keys) + $config['board_startdate'], 36, 10));
- $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_lastmark = ' . $user->data['user_lastmark'] . " WHERE user_id = {$user->data['user_id']}");
- }
- else
- {
- $tracking['l'] = max($time_keys);
- }
- }
- $user->set_cookie('track', tracking_serialize($tracking), time() + 31536000);
- $_COOKIE[$config['cookie_name'] . '_track'] = (STRIP) ? addslashes(tracking_serialize($tracking)) : tracking_serialize($tracking);
- }
- return;
- }
- else if ($mode == 'post')
- {
- if ($topic_id === false)
- {
- return;
- }
- $use_user_id = (!$user_id) ? $user->data['user_id'] : $user_id;
- if ($config['load_db_track'] && $use_user_id != ANONYMOUS)
- {
- $db->sql_return_on_error(true);
- $sql_ary = array(
- 'user_id' => (int) $use_user_id,
- 'topic_id' => (int) $topic_id,
- 'topic_posted' => 1
- );
- $db->sql_query('INSERT INTO ' . TOPICS_POSTED_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
- $db->sql_return_on_error(false);
- }
- return;
- }
- }
- /**
- * Get topic tracking info by using already fetched info
- */
- function get_topic_tracking($forum_id, $topic_ids, &$rowset, $forum_mark_time, $global_announce_list = false)
- {
- global $config, $user;
- $last_read = array();
- if (!is_array($topic_ids))
- {
- $topic_ids = array($topic_ids);
- }
- foreach ($topic_ids as $topic_id)
- {
- if (!empty($rowset[$topic_id]['mark_time']))
- {
- $last_read[$topic_id] = $rowset[$topic_id]['mark_time'];
- }
- }
- $topic_ids = array_diff($topic_ids, array_keys($last_read));
- if (sizeof($topic_ids))
- {
- $mark_time = array();
- // Get global announcement info
- if ($global_announce_list && sizeof($global_announce_list))
- {
- if (!isset($forum_mark_time[0]))
- {
- global $db;
- $sql = 'SELECT mark_time
- FROM ' . FORUMS_TRACK_TABLE . "
- WHERE user_id = {$user->data['user_id']}
- AND forum_id = 0";
- $result = $db->sql_query($sql);
- $row = $db->sql_fetchrow($result);
- $db->sql_freeresult($result);
- if ($row)
- {
- $mark_time[0] = $row['mark_time'];
- }
- }
- else
- {
- if ($forum_mark_time[0] !== false)
- {
- $mark_time[0] = $forum_mark_time[0];
- }
- }
- }
- if (!empty($forum_mark_time[$forum_id]) && $forum_mark_time[$forum_id] !== false)
- {
- $mark_time[$forum_id] = $forum_mark_time[$forum_id];
- }
- $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user->data['user_lastmark'];
- foreach ($topic_ids as $topic_id)
- {
- if ($global_announce_list && isset($global_announce_list[$topic_id]))
- {
- $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark;
- }
- else
- {
- $last_read[$topic_id] = $user_lastmark;
- }
- }
- }
- return $last_read;
- }
- /**
- * Get topic tracking info from db (for cookie based tracking only this function is used)
- */
- function get_complete_topic_tracking($forum_id, $topic_ids, $global_announce_list = false)
- {
- global $config, $user;
- $last_read = array();
- if (!is_array($topic_ids))
- {
- $topic_ids = array($topic_ids);
- }
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- global $db;
- $sql = 'SELECT topic_id, mark_time
- FROM ' . TOPICS_TRACK_TABLE . "
- WHERE user_id = {$user->data['user_id']}
- AND " . $db->sql_in_set('topic_id', $topic_ids);
- $result = $db->sql_query($sql);
- while ($row = $db->sql_fetchrow($result))
- {
- $last_read[$row['topic_id']] = $row['mark_time'];
- }
- $db->sql_freeresult($result);
- $topic_ids = array_diff($topic_ids, array_keys($last_read));
- if (sizeof($topic_ids))
- {
- $sql = 'SELECT forum_id, mark_time
- FROM ' . FORUMS_TRACK_TABLE . "
- WHERE user_id = {$user->data['user_id']}
- AND forum_id " .
- (($global_announce_list && sizeof($global_announce_list)) ? "IN (0, $forum_id)" : "= $forum_id");
- $result = $db->sql_query($sql);
- $mark_time = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $mark_time[$row['forum_id']] = $row['mark_time'];
- }
- $db->sql_freeresult($result);
- $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user->data['user_lastmark'];
- foreach ($topic_ids as $topic_id)
- {
- if ($global_announce_list && isset($global_announce_list[$topic_id]))
- {
- $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark;
- }
- else
- {
- $last_read[$topic_id] = $user_lastmark;
- }
- }
- }
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- global $tracking_topics;
- if (!isset($tracking_topics) || !sizeof($tracking_topics))
- {
- $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
- $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
- }
- if (!$user->data['is_registered'])
- {
- $user_lastmark = (isset($tracking_topics['l'])) ? base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate'] : 0;
- }
- else
- {
- $user_lastmark = $user->data['user_lastmark'];
- }
- foreach ($topic_ids as $topic_id)
- {
- $topic_id36 = base_convert($topic_id, 10, 36);
- if (isset($tracking_topics['t'][$topic_id36]))
- {
- $last_read[$topic_id] = base_convert($tracking_topics['t'][$topic_id36], 36, 10) + $config['board_startdate'];
- }
- }
- $topic_ids = array_diff($topic_ids, array_keys($last_read));
- if (sizeof($topic_ids))
- {
- $mark_time = array();
- if ($global_announce_list && sizeof($global_announce_list))
- {
- if (isset($tracking_topics['f'][0]))
- {
- $mark_time[0] = base_convert($tracking_topics['f'][0], 36, 10) + $config['board_startdate'];
- }
- }
- if (isset($tracking_topics['f'][$forum_id]))
- {
- $mark_time[$forum_id] = base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate'];
- }
- $user_lastmark = (isset($mark_time[$forum_id])) ? $mark_time[$forum_id] : $user_lastmark;
- foreach ($topic_ids as $topic_id)
- {
- if ($global_announce_list && isset($global_announce_list[$topic_id]))
- {
- $last_read[$topic_id] = (isset($mark_time[0])) ? $mark_time[0] : $user_lastmark;
- }
- else
- {
- $last_read[$topic_id] = $user_lastmark;
- }
- }
- }
- }
- return $last_read;
- }
- /**
- * Get list of unread topics
- *
- * @param int $user_id User ID (or false for current user)
- * @param string $sql_extra Extra WHERE SQL statement
- * @param string $sql_sort ORDER BY SQL sorting statement
- * @param string $sql_limit Limits the size of unread topics list, 0 for unlimited query
- * @param string $sql_limit_offset Sets the offset of the first row to search, 0 to search from the start
- *
- * @return array[int][int] Topic ids as keys, mark_time of topic as value
- */
- function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $sql_limit = 1001, $sql_limit_offset = 0)
- {
- global $config, $db, $user;
- $user_id = ($user_id === false) ? (int) $user->data['user_id'] : (int) $user_id;
- // Data array we're going to return
- $unread_topics = array();
- if (empty($sql_sort))
- {
- $sql_sort = 'ORDER BY t.topic_last_post_time DESC';
- }
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- // Get list of the unread topics
- $last_mark = (int) $user->data['user_lastmark'];
- $sql_array = array(
- 'SELECT' => 't.topic_id, t.topic_last_post_time, tt.mark_time as topic_mark_time, ft.mark_time as forum_mark_time',
- 'FROM' => array(TOPICS_TABLE => 't'),
- 'LEFT_JOIN' => array(
- array(
- 'FROM' => array(TOPICS_TRACK_TABLE => 'tt'),
- 'ON' => "tt.user_id = $user_id AND t.topic_id = tt.topic_id",
- ),
- array(
- 'FROM' => array(FORUMS_TRACK_TABLE => 'ft'),
- 'ON' => "ft.user_id = $user_id AND t.forum_id = ft.forum_id",
- ),
- ),
- 'WHERE' => "
- t.topic_last_post_time > $last_mark AND
- (
- (tt.mark_time IS NOT NULL AND t.topic_last_post_time > tt.mark_time) OR
- (tt.mark_time IS NULL AND ft.mark_time IS NOT NULL AND t.topic_last_post_time > ft.mark_time) OR
- (tt.mark_time IS NULL AND ft.mark_time IS NULL)
- )
- $sql_extra
- $sql_sort",
- );
- $sql = $db->sql_build_query('SELECT', $sql_array);
- $result = $db->sql_query_limit($sql, $sql_limit, $sql_limit_offset);
- while ($row = $db->sql_fetchrow($result))
- {
- $topic_id = (int) $row['topic_id'];
- $unread_topics[$topic_id] = ($row['topic_mark_time']) ? (int) $row['topic_mark_time'] : (($row['forum_mark_time']) ? (int) $row['forum_mark_time'] : $last_mark);
- }
- $db->sql_freeresult($result);
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- global $tracking_topics;
- if (empty($tracking_topics))
- {
- $tracking_topics = request_var($config['cookie_name'] . '_track', '', false, true);
- $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
- }
- if (!$user->data['is_registered'])
- {
- $user_lastmark = (isset($tracking_topics['l'])) ? base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate'] : 0;
- }
- else
- {
- $user_lastmark = (int) $user->data['user_lastmark'];
- }
- $sql = 'SELECT t.topic_id, t.forum_id, t.topic_last_post_time
- FROM ' . TOPICS_TABLE . ' t
- WHERE t.topic_last_post_time > ' . $user_lastmark . "
- $sql_extra
- $sql_sort";
- $result = $db->sql_query_limit($sql, $sql_limit, $sql_limit_offset);
- while ($row = $db->sql_fetchrow($result))
- {
- $forum_id = (int) $row['forum_id'];
- $topic_id = (int) $row['topic_id'];
- $topic_id36 = base_convert($topic_id, 10, 36);
- if (isset($tracking_topics['t'][$topic_id36]))
- {
- $last_read = base_convert($tracking_topics['t'][$topic_id36], 36, 10) + $config['board_startdate'];
- if ($row['topic_last_post_time'] > $last_read)
- {
- $unread_topics[$topic_id] = $last_read;
- }
- }
- else if (isset($tracking_topics['f'][$forum_id]))
- {
- $mark_time = base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate'];
- if ($row['topic_last_post_time'] > $mark_time)
- {
- $unread_topics[$topic_id] = $mark_time;
- }
- }
- else
- {
- $unread_topics[$topic_id] = $user_lastmark;
- }
- }
- $db->sql_freeresult($result);
- }
- return $unread_topics;
- }
- /**
- * Check for read forums and update topic tracking info accordingly
- *
- * @param int $forum_id the forum id to check
- * @param int $forum_last_post_time the forums last post time
- * @param int $f_mark_time the forums last mark time if user is registered and load_db_lastread enabled
- * @param int $mark_time_forum false if the mark time needs to be obtained, else the last users forum mark time
- *
- * @return true if complete forum got marked read, else false.
- */
- function update_forum_tracking_info($forum_id, $forum_last_post_time, $f_mark_time = false, $mark_time_forum = false)
- {
- global $db, $tracking_topics, $user, $config;
- // Determine the users last forum mark time if not given.
- if ($mark_time_forum === false)
- {
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- $mark_time_forum = (!empty($f_mark_time)) ? $f_mark_time : $user->data['user_lastmark'];
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
- $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
- if (!$user->data['is_registered'])
- {
- $user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;
- }
- $mark_time_forum = (isset($tracking_topics['f'][$forum_id])) ? (int) (base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate']) : $user->data['user_lastmark'];
- }
- }
- // Check the forum for any left unread topics.
- // If there are none, we mark the forum as read.
- if ($config['load_db_lastread'] && $user->data['is_registered'])
- {
- if ($mark_time_forum >= $forum_last_post_time)
- {
- // We do not need to mark read, this happened before. Therefore setting this to true
- $row = true;
- }
- else
- {
- $sql = 'SELECT t.forum_id FROM ' . TOPICS_TABLE . ' t
- LEFT JOIN ' . TOPICS_TRACK_TABLE . ' tt ON (tt.topic_id = t.topic_id AND tt.user_id = ' . $user->data['user_id'] . ')
- WHERE t.forum_id = ' . $forum_id . '
- AND t.topic_last_post_time > ' . $mark_time_forum . '
- AND t.topic_moved_id = 0
- AND (tt.topic_id IS NULL OR tt.mark_time < t.topic_last_post_time)
- GROUP BY t.forum_id';
- $result = $db->sql_query_limit($sql, 1);
- $row = $db->sql_fetchrow($result);
- $db->sql_freeresult($result);
- }
- }
- else if ($config['load_anon_lastread'] || $user->data['is_registered'])
- {
- // Get information from cookie
- $row = false;
- if (!isset($tracking_topics['tf'][$forum_id]))
- {
- // We do not need to mark read, this happened before. Therefore setting this to true
- $row = true;
- }
- else
- {
- $sql = 'SELECT topic_id
- FROM ' . TOPICS_TABLE . '
- WHERE forum_id = ' . $forum_id . '
- AND topic_last_post_time > ' . $mark_time_forum . '
- AND topic_moved_id = 0';
- $result = $db->sql_query($sql);
- $check_forum = $tracking_topics['tf'][$forum_id];
- $unread = false;
- while ($row = $db->sql_fetchrow($result))
- {
- if (!isset($check_forum[base_convert($row['topic_id'], 10, 36)]))
- {
- $unread = true;
- break;
- }
- }
- $db->sql_freeresult($result);
- $row = $unread;
- }
- }
- else
- {
- $row = true;
- }
- if (!$row)
- {
- markread('topics', $forum_id);
- return true;
- }
- return false;
- }
- /**
- * Transform an array into a serialized format
- */
- function tracking_serialize($input)
- {
- $out = '';
- foreach ($input as $key => $value)
- {
- if (is_array($value))
- {
- $out .= $key . ':(' . tracking_serialize($value) . ');';
- }
- else
- {
- $out .= $key . ':' . $value . ';';
- }
- }
- return $out;
- }
- /**
- * Transform a serialized array into an actual array
- */
- function tracking_unserialize($string, $max_depth = 3)
- {
- $n = strlen($string);
- if ($n > 10010)
- {
- die('Invalid data supplied');
- }
- $data = $stack = array();
- $key = '';
- $mode = 0;
- $level = &$data;
- for ($i = 0; $i < $n; ++$i)
- {
- switch ($mode)
- {
- case 0:
- switch ($string[$i])
- {
- case ':':
- $level[$key] = 0;
- $mode = 1;
- break;
- case ')':
- unset($level);
- $level = array_pop($stack);
- $mode = 3;
- break;
- default:
- $key .= $string[$i];
- }
- break;
- case 1:
- switch ($string[$i])
- {
- case '(':
- if (sizeof($stack) >= $max_depth)
- {
- die('Invalid data supplied');
- }
- $stack[] = &$level;
- $level[$key] = array();
- $level = &$level[$key];
- $key = '';
- $mode = 0;
- break;
- default:
- $level[$key] = $string[$i];
- $mode = 2;
- break;
- }
- break;
- case 2:
- switch ($string[$i])
- {
- case ')':
- unset($level);
- $level = array_pop($stack);
- $mode = 3;
- break;
- case ';':
- $key = '';
- $mode = 0;
- break;
- default:
- $level[$key] .= $string[$i];
- break;
- }
- break;
- case 3:
- switch ($string[$i])
- {
- case ')':
- unset($level);
- $level = array_pop($stack);
- break;
- case ';':
- $key = '';
- $mode = 0;
- break;
- default:
- die('Invalid data supplied');
- break;
- }
- break;
- }
- }
- if (sizeof($stack) != 0 || ($mode != 0 && $mode != 3))
- {
- die('Invalid data supplied');
- }
- return $level;
- }
- // Pagination functions
- /**
- * Pagination routine, generates page number sequence
- * tpl_prefix is for using different pagination blocks at one page
- */
- function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = false, $tpl_prefix = '')
- {
- global $template, $user;
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- global $phpbb_seo, $phpEx;
- // www.phpBB-SEO.com SEO TOOLKIT END
- // Make sure $per_page is a valid value
- $per_page = ($per_page <= 0) ? 1 : $per_page;
- $seperator = '<span class="page-sep">' . $user->lang['COMMA_SEPARATOR'] . '</span>';
- $total_pages = ceil($num_items / $per_page);
- if ($total_pages == 1 || !$num_items)
- {
- return false;
- }
- $on_page = floor($start_item / $per_page) + 1;
- $url_delim = (strpos($base_url, '?') === false) ? '?' : ((strpos($base_url, '?') === strlen($base_url) - 1) ? '' : '&');
- $page_string = ($on_page == 1) ? '<strong>1</strong>' : '<a href="' . $base_url . '">1</a>';
- if ($total_pages > 5)
- {
- $start_cnt = min(max(1, $on_page - 4), $total_pages - 5);
- $end_cnt = max(min($total_pages, $on_page + 4), 6);
- $page_string .= ($start_cnt > 1) ? ' ... ' : $seperator;
- for ($i = $start_cnt + 1; $i < $end_cnt; $i++)
- {
- $page_string .= ($i == $on_page) ? '<strong>' . $i . '</strong>' : '<a href="' . $base_url . "{$url_delim}start=" . (($i - 1) * $per_page) . '">' . $i . '</a>';
- if ($i < $end_cnt - 1)
- {
- $page_string .= $seperator;
- }
- }
- $page_string .= ($end_cnt < $total_pages) ? ' ... ' : $seperator;
- }
- else
- {
- $page_string .= $seperator;
- for ($i = 2; $i < $total_pages; $i++)
- {
- $page_string .= ($i == $on_page) ? '<strong>' . $i . '</strong>' : '<a href="' . $base_url . "{$url_delim}start=" . (($i - 1) * $per_page) . '">' . $i . '</a>';
- if ($i < $total_pages)
- {
- $page_string .= $seperator;
- }
- }
- }
- $page_string .= ($on_page == $total_pages) ? '<strong>' . $total_pages . '</strong>' : '<a href="' . $base_url . "{$url_delim}start=" . (($total_pages - 1) * $per_page) . '">' . $total_pages . '</a>';
- if ($add_prevnext_text)
- {
- if ($on_page != 1)
- {
- $page_string = '<a href="' . $base_url . "{$url_delim}start=" . (($on_page - 2) * $per_page) . '">' . $user->lang['PREVIOUS'] . '</a> ' . $page_string;
- }
- if ($on_page != $total_pages)
- {
- $page_string .= ' <a href="' . $base_url . "{$url_delim}start=" . ($on_page * $per_page) . '">' . $user->lang['NEXT'] . '</a>';
- }
- }
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- $prev = ($on_page == 1) ? '' : $base_url . "{$url_delim}start=" . (($on_page - 2) * $per_page);
- $next = ($on_page == $total_pages) ? '' : $base_url . "{$url_delim}start=" . ($on_page * $per_page);
- if (!empty($phpbb_seo->seo_opt['url_rewrite'])) {
- static $pagin_find = array();
- static $pagin_replace = array();
- if (empty($pagin_replace)) {
- $pagin_find = array(
- // http://example.com/a_n-y/d.i.r/with.ext
- '`(https?\://[a-z0-9_/\.-]+/[a-z0-9_\.-]+)(\.[a-z0-9]+)(\?[\w$%&~\-;:=,@+\. ]+)?(#[a-z0-9_\.-]+)?(&|\?)start=([0-9]+)`i',
- // http://example.com/a_n-y/d.i.r/withoutext
- '`(https?\://[a-z0-9_/\.-]+/[a-z0-9_-]+)/?(\?[\w$%&~\-;:=,@+\. ]+)?(#[a-z0-9_\.-]+)?(&|\?)start=([0-9]+)`i'
- );
- $pagin_replace = array(
- // http://example.com/a_n-y/d.i.r/with-xx.ext
- '\1' . $phpbb_seo->seo_delim['start'] . '\6\2\3\4',
- // http://example.com/a_n-y/d.i.r/withoutext/pagexx.html
- '\1/' . $phpbb_seo->seo_static['pagination'] . '\5' . $phpbb_seo->seo_ext['pagination'] . '\2\3'
- );
- }
- $rewrite_pagination = false;
- // here we rewrite rewritten urls only, and they do hold the full url with http
- if (preg_match('`^https?://[a-z0-9_\.-]+/(.*)$`i', $base_url, $match)) {
- $rewrite_pagination = true;
- if (!empty($match[1])) {
- // though, we won't do it for .php files.
- if (preg_match('`^.*\.' . $phpEx . '(|\?.*|#.*)$`i', trim($match[1]))) {
- $rewrite_pagination = false;
- }
- }
- }
- // in all cases remove the start=0 dupe
- $page_string = str_replace($url_delim . 'start=0', '', $page_string);
- $prev = str_replace($url_delim . 'start=0', '', $prev);
- if ($rewrite_pagination) {
- $page_string = preg_replace($pagin_find, $pagin_replace, $page_string);
- $prev = $prev ? preg_replace($pagin_find, $pagin_replace, $prev) : '';
- $next = $next ? preg_replace( $pagin_find, $pagin_replace, $next) : '';
- } else {
- // take care about eventual hashes
- if (strpos($base_url, '#') !== false) {
- // since hashes are not originally handled,
- // we need to make sure we put it at the end of the url
- static $hash_find = '`((https?\://)?[a-z0-9_/\.-]+\.[a-z0-9]+)(\?[\w$%&~\-;:=,@+\.]+)?(#[a-z0-9_\.-]+)((&|\?)start=[0-9]+)`';
- static $hash_replace = '\1\3\5\4';
- $page_string = preg_replace($hash_find, $hash_replace, $page_string);
- $prev = $prev ? preg_replace($hash_find, $hash_replace, $prev) : '';
- $next = $next ? preg_replace($hash_find, $hash_replace, $next) : '';
- }
- }
- }
- $template->assign_vars(array(
- $tpl_prefix . 'BASE_URL' => $base_url,
- 'A_' . $tpl_prefix . 'BASE_URL' => addslashes($base_url),
- $tpl_prefix . 'PER_PAGE' => $per_page,
- $tpl_prefix . 'PREVIOUS_PAGE' => $prev,
- $tpl_prefix . 'NEXT_PAGE' => $next,
- $tpl_prefix . 'TOTAL_PAGES' => $total_pages)
- );
- // www.phpBB-SEO.com SEO TOOLKIT END
- return $page_string;
- }
- /**
- * Return current page (pagination)
- */
- function on_page($num_items, $per_page, $start)
- {
- global $template, $user;
- // Make sure $per_page is a valid value
- $per_page = ($per_page <= 0) ? 1 : $per_page;
- $on_page = floor($start / $per_page) + 1;
- $template->assign_vars(array(
- 'ON_PAGE' => $on_page)
- );
- return sprintf($user->lang['PAGE_OF'], $on_page, max(ceil($num_items / $per_page), 1));
- }
- // Server functions (building urls, redirecting...)
- /**
- * Append session id to url.
- * This function supports hooks.
- *
- * @param string $url The url the session id needs to be appended to (can have params)
- * @param mixed $params String or array of additional url parameters
- * @param bool $is_amp Is url using & (true) or & (false)
- * @param string $session_id Possibility to use a custom session id instead of the global one
- *
- * Examples:
- * <code>
- * append_sid("{$phpbb_root_path}viewtopic.$phpEx?t=1&f=2");
- * append_sid("{$phpbb_root_path}viewtopic.$phpEx", 't=1&f=2');
- * append_sid("{$phpbb_root_path}viewtopic.$phpEx", 't=1&f=2', false);
- * append_sid("{$phpbb_root_path}viewtopic.$phpEx", array('t' => 1, 'f' => 2));
- * </code>
- *
- */
- function append_sid($url, $params = false, $is_amp = true, $session_id = false)
- {
- global $_SID, $_EXTRA_URL, $phpbb_hook;
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- // We bypass the hook function here, the same effect as a standalone hook, which we want, but faster ;-)
- global $phpbb_seo;
- if (!empty($phpbb_seo->seo_opt['url_rewrite'])) {
- return $phpbb_seo->url_rewrite($url, $params, $is_amp, $session_id);
- } else
- // www.phpBB-SEO.com SEO TOOLKIT END
- // Developers using the hook function need to globalise the $_SID and $_EXTRA_URL on their own and also handle it appropriately.
- // They could mimic most of what is within this function
- if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__, $url, $params, $is_amp, $session_id))
- {
- if ($phpbb_hook->hook_return(__FUNCTION__))
- {
- return $phpbb_hook->hook_return_result(__FUNCTION__);
- }
- }
- $params_is_array = is_array($params);
- // Get anchor
- $anchor = '';
- if (strpos($url, '#') !== false)
- {
- list($url, $anchor) = explode('#', $url, 2);
- $anchor = '#' . $anchor;
- }
- else if (!$params_is_array && strpos($params, '#') !== false)
- {
- list($params, $anchor) = explode('#', $params, 2);
- $anchor = '#' . $anchor;
- }
- // Handle really simple cases quickly
- if ($_SID == '' && $session_id === false && empty($_EXTRA_URL) && !$params_is_array && !$anchor)
- {
- if ($params === false)
- {
- return $url;
- }
- $url_delim = (strpos($url, '?') === false) ? '?' : (($is_amp) ? '&' : '&');
- return $url . ($params !== false ? $url_delim. $params : '');
- }
- // Assign sid if session id is not specified
- if ($session_id === false)
- {
- $session_id = $_SID;
- }
- $amp_delim = ($is_amp) ? '&' : '&';
- $url_delim = (strpos($url, '?') === false) ? '?' : $amp_delim;
- // Appending custom url parameter?
- $append_url = (!empty($_EXTRA_URL)) ? implode($amp_delim, $_EXTRA_URL) : '';
- // Use the short variant if possible ;)
- if ($params === false)
- {
- // Append session id
- if (!$session_id)
- {
- return $url . (($append_url) ? $url_delim . $append_url : '') . $anchor;
- }
- else
- {
- return $url . (($append_url) ? $url_delim . $append_url . $amp_delim : $url_delim) . 'sid=' . $session_id . $anchor;
- }
- }
- // Build string if parameters are specified as array
- if (is_array($params))
- {
- $output = array();
- foreach ($params as $key => $item)
- {
- if ($item === NULL)
- {
- continue;
- }
- if ($key == '#')
- {
- $anchor = '#' . $item;
- continue;
- }
- $output[] = $key . '=' . $item;
- }
- $params = implode($amp_delim, $output);
- }
- // Append session id and parameters (even if they are empty)
- // If parameters are empty, the developer can still append his/her parameters without caring about the delimiter
- return $url . (($append_url) ? $url_delim . $append_url . $amp_delim : $url_delim) . $params . ((!$session_id) ? '' : $amp_delim . 'sid=' . $session_id) . $anchor;
- }
- /**
- * Generate board url (example: http://www.example.com/phpBB)
- *
- * @param bool $without_script_path if set to true the script path gets not appended (example: http://www.example.com)
- *
- * @return string the generated board url
- */
- function generate_board_url($without_script_path = false)
- {
- global $config, $user;
- $server_name = $user->host;
- $server_port = (!empty($_SERVER['SERVER_PORT'])) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT');
- // Forcing server vars is the only way to specify/override the protocol
- if ($config['force_server_vars'] || !$server_name)
- {
- $server_protocol = ($config['server_protocol']) ? $config['server_protocol'] : (($config['cookie_secure']) ? 'https://' : 'http://');
- $server_name = $config['server_name'];
- $server_port = (int) $config['server_port'];
- $script_path = $config['script_path'];
- $url = $server_protocol . $server_name;
- $cookie_secure = $config['cookie_secure'];
- }
- else
- {
- // Do not rely on cookie_secure, users seem to think that it means a secured cookie instead of an encrypted connection
- $cookie_secure = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 1 : 0;
- $url = (($cookie_secure) ? 'https://' : 'http://') . $server_name;
- $script_path = $user->page['root_script_path'];
- }
- if ($server_port && (($cookie_secure && $server_port <> 443) || (!$cookie_secure && $server_port <> 80)))
- {
- // HTTP HOST can carry a port number (we fetch $user->host, but for old versions this may be true)
- if (strpos($server_name, ':') === false)
- {
- $url .= ':' . $server_port;
- }
- }
- if (!$without_script_path)
- {
- $url .= $script_path;
- }
- // Strip / from the end
- if (substr($url, -1, 1) == '/')
- {
- $url = substr($url, 0, -1);
- }
- return $url;
- }
- /**
- * Redirects the user to another page then exits the script nicely
- * This function is intended for urls within the board. It's not meant to redirect to cross-domains.
- *
- * @param string $url The url to redirect to
- * @param bool $return If true, do not redirect but return the sanitized URL. Default is no return.
- * @param bool $disable_cd_check If true, redirect() will redirect to an external domain. If false, the redirect point to the boards url if it does not match the current domain. Default is false.
- */
- function redirect($url, $return = false, $disable_cd_check = false)
- {
- global $db, $cache, $config, $user, $phpbb_root_path;
- $failover_flag = false;
- if (empty($user->lang))
- {
- $user->add_lang('common');
- }
- if (!$return)
- {
- garbage_collection();
- }
- // Make sure no &'s are in, this will break the redirect
- $url = str_replace('&', '&', $url);
- // Determine which type of redirect we need to handle...
- $url_parts = @parse_url($url);
- if ($url_parts === false)
- {
- // Malformed url, redirect to current page...
- $url = generate_board_url() . '/' . $user->page['page'];
- }
- else if (!empty($url_parts['scheme']) && !empty($url_parts['host']))
- {
- // Attention: only able to redirect within the same domain if $disable_cd_check is false (yourdomain.com -> www.yourdomain.com will not work)
- if (!$disable_cd_check && $url_parts['host'] !== $user->host)
- {
- $url = generate_board_url();
- }
- }
- else if ($url[0] == '/')
- {
- // Absolute uri, prepend direct url...
- $url = generate_board_url(true) . $url;
- }
- else
- {
- // Relative uri
- $pathinfo = pathinfo($url);
- if (!$disable_cd_check && !file_exists($pathinfo['dirname'] . '/'))
- {
- $url = str_replace('../', '', $url);
- $pathinfo = pathinfo($url);
- if (!file_exists($pathinfo['dirname'] . '/'))
- {
- // fallback to "last known user page"
- // at least this way we know the user does not leave the phpBB root
- $url = generate_board_url() . '/' . $user->page['page'];
- $failover_flag = true;
- }
- }
- if (!$failover_flag)
- {
- // Is the uri pointing to the current directory?
- if ($pathinfo['dirname'] == '.')
- {
- $url = str_replace('./', '', $url);
- // Strip / from the beginning
- if ($url && substr($url, 0, 1) == '/')
- {
- $url = substr($url, 1);
- }
- if ($user->page['page_dir'])
- {
- $url = generate_board_url() . '/' . $user->page['page_dir'] . '/' . $url;
- }
- else
- {
- $url = generate_board_url() . '/' . $url;
- }
- }
- else
- {
- // Used ./ before, but $phpbb_root_path is working better with urls within another root path
- $root_dirs = explode('/', str_replace('\\', '/', phpbb_realpath($phpbb_root_path)));
- $page_dirs = explode('/', str_replace('\\', '/', phpbb_realpath($pathinfo['dirname'])));
- $intersection = array_intersect_assoc($root_dirs, $page_dirs);
- $root_dirs = array_diff_assoc($root_dirs, $intersection);
- $page_dirs = array_diff_assoc($page_dirs, $intersection);
- $dir = str_repeat('../', sizeof($root_dirs)) . implode('/', $page_dirs);
- // Strip / from the end
- if ($dir && substr($dir, -1, 1) == '/')
- {
- $dir = substr($dir, 0, -1);
- }
- // Strip / from the beginning
- if ($dir && substr($dir, 0, 1) == '/')
- {
- $dir = substr($dir, 1);
- }
- $url = str_replace($pathinfo['dirname'] . '/', '', $url);
- // Strip / from the beginning
- if (substr($url, 0, 1) == '/')
- {
- $url = substr($url, 1);
- }
- $url = (!empty($dir) ? $dir . '/' : '') . $url;
- $url = generate_board_url() . '/' . $url;
- }
- }
- }
- // Make sure no linebreaks are there... to prevent http response splitting for PHP < 4.4.2
- if (strpos(urldecode($url), "\n") !== false || strpos(urldecode($url), "\r") !== false || strpos($url, ';') !== false)
- {
- trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR);
- }
- // Now, also check the protocol and for a valid url the last time...
- $allowed_protocols = array('http', 'https', 'ftp', 'ftps');
- $url_parts = parse_url($url);
- if ($url_parts === false || empty($url_parts['scheme']) || !in_array($url_parts['scheme'], $allowed_protocols))
- {
- trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR);
- }
- if ($return)
- {
- return $url;
- }
- // Redirect via an HTML form for PITA webservers
- if (@preg_match('#Microsoft|WebSTAR|Xitami#', getenv('SERVER_SOFTWARE')))
- {
- header('Refresh: 0; URL=' . $url);
- echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
- echo '<html xmlns="http://www.w3.org/1999/xhtml" dir="' . $user->lang['DIRECTION'] . '" lang="' . $user->lang['USER_LANG'] . '" xml:lang="' . $user->lang['USER_LANG'] . '">';
- echo '<head>';
- echo '<meta http-equiv="content-type" content="text/html; charset=utf-8" />';
- echo '<meta http-equiv="refresh" content="0; url=' . str_replace('&', '&', $url) . '" />';
- echo '<title>' . $user->lang['REDIRECT'] . '</title>';
- echo '</head>';
- echo '<body>';
- echo '<div style="text-align: center;">' . sprintf($user->lang['URL_REDIRECT'], '<a href="' . str_replace('&', '&', $url) . '">', '</a>') . '</div>';
- echo '</body>';
- echo '</html>';
- exit;
- }
- // Behave as per HTTP/1.1 spec for others
- header('Location: ' . $url);
- exit;
- }
- /**
- * Re-Apply session id after page reloads
- */
- function reapply_sid($url)
- {
- global $phpEx, $phpbb_root_path;
- if ($url === "index.$phpEx")
- {
- return append_sid("index.$phpEx");
- }
- else if ($url === "{$phpbb_root_path}index.$phpEx")
- {
- return append_sid("{$phpbb_root_path}index.$phpEx");
- }
- // Remove previously added sid
- if (strpos($url, 'sid=') !== false)
- {
- // All kind of links
- $url = preg_replace('/(\?)?(&|&)?sid=[a-z0-9]+/', '', $url);
- // if the sid was the first param, make the old second as first ones
- $url = preg_replace("/$phpEx(&|&)+?/", "$phpEx?", $url);
- }
- return append_sid($url);
- }
- /**
- * Returns url from the session/current page with an re-appended SID with optionally stripping vars from the url
- */
- function build_url($strip_vars = false)
- {
- global $user, $phpbb_root_path;
- // Append SID
- $redirect = append_sid($user->page['page'], false, false);
- // Add delimiter if not there...
- if (strpos($redirect, '?') === false)
- {
- $redirect .= '?';
- }
- // Strip vars...
- if ($strip_vars !== false && strpos($redirect, '?') !== false)
- {
- if (!is_array($strip_vars))
- {
- $strip_vars = array($strip_vars);
- }
- $query = $_query = array();
- $args = substr($redirect, strpos($redirect, '?') + 1);
- $args = ($args) ? explode('&', $args) : array();
- $redirect = substr($redirect, 0, strpos($redirect, '?'));
- foreach ($args as $argument)
- {
- $arguments = explode('=', $argument);
- $key = $arguments[0];
- unset($arguments[0]);
- if ($key === '')
- {
- continue;
- }
- $query[$key] = implode('=', $arguments);
- }
- // Strip the vars off
- foreach ($strip_vars as $strip)
- {
- if (isset($query[$strip]))
- {
- unset($query[$strip]);
- }
- }
- // Glue the remaining parts together... already urlencoded
- foreach ($query as $key => $value)
- {
- $_query[] = $key . '=' . $value;
- }
- $query = implode('&', $_query);
- $redirect .= ($query) ? '?' . $query : '';
- }
- // We need to be cautious here.
- // On some situations, the redirect path is an absolute URL, sometimes a relative path
- // For a relative path, let's prefix it with $phpbb_root_path to point to the correct location,
- // else we use the URL directly.
- $url_parts = @parse_url($redirect);
- // URL
- if ($url_parts !== false && !empty($url_parts['scheme']) && !empty($url_parts['host']))
- {
- return str_replace('&', '&', $redirect);
- }
- return $phpbb_root_path . str_replace('&', '&', $redirect);
- }
- /**
- * Meta refresh assignment
- * Adds META template variable with meta http tag.
- *
- * @param int $time Time in seconds for meta refresh tag
- * @param string $url URL to redirect to. The url will go through redirect() first before the template variable is assigned
- * @param bool $disable_cd_check If true, meta_refresh() will redirect to an external domain. If false, the redirect point to the boards url if it does not match the current domain. Default is false.
- */
- function meta_refresh($time, $url, $disable_cd_check = false)
- {
- global $template;
- $url = redirect($url, true, $disable_cd_check);
- $url = str_replace('&', '&', $url);
- // For XHTML compatibility we change back & to &
- $template->assign_vars(array(
- 'META' => '<meta http-equiv="refresh" content="' . $time . ';url=' . $url . '" />')
- );
- return $url;
- }
- /**
- * Outputs correct status line header.
- *
- * Depending on php sapi one of the two following forms is used:
- *
- * Status: 404 Not Found
- *
- * HTTP/1.x 404 Not Found
- *
- * HTTP version is taken from HTTP_VERSION environment variable,
- * and defaults to 1.0.
- *
- * Sample usage:
- *
- * send_status_line(404, 'Not Found');
- *
- * @param int $code HTTP status code
- * @param string $message Message for the status code
- * @return void
- */
- function send_status_line($code, $message)
- {
- if (substr(strtolower(@php_sapi_name()), 0, 3) === 'cgi')
- {
- // in theory, we shouldn't need that due to php doing it. Reality offers a differing opinion, though
- header("Status: $code $message", true, $code);
- }
- else
- {
- if (!empty($_SERVER['SERVER_PROTOCOL']))
- {
- $version = $_SERVER['SERVER_PROTOCOL'];
- }
- else if (!empty($_SERVER['HTTP_VERSION']))
- {
- // I cannot remember where I got this from.
- // This code path may never be reachable in reality.
- $version = $_SERVER['HTTP_VERSION'];
- }
- else
- {
- $version = 'HTTP/1.0';
- }
- header("$version $code $message", true, $code);
- }
- }
- //Form validation
- /**
- * Add a secret hash for use in links/GET requests
- * @param string $link_name The name of the link; has to match the name used in check_link_hash, otherwise no restrictions apply
- * @return string the hash
- */
- function generate_link_hash($link_name)
- {
- global $user;
- if (!isset($user->data["hash_$link_name"]))
- {
- $user->data["hash_$link_name"] = substr(sha1($user->data['user_form_salt'] . $link_name), 0, 8);
- }
- return $user->data["hash_$link_name"];
- }
- /**
- * checks a link hash - for GET requests
- * @param string $token the submitted token
- * @param string $link_name The name of the link
- * @return boolean true if all is fine
- */
- function check_link_hash($token, $link_name)
- {
- return $token === generate_link_hash($link_name);
- }
- /**
- * Add a secret token to the form (requires the S_FORM_TOKEN template variable)
- * @param string $form_name The name of the form; has to match the name used in check_form_key, otherwise no restrictions apply
- */
- function add_form_key($form_name)
- {
- global $config, $template, $user;
- $now = time();
- $token_sid = ($user->data['user_id'] == ANONYMOUS && !empty($config['form_token_sid_guests'])) ? $user->session_id : '';
- $token = sha1($now . $user->data['user_form_salt'] . $form_name . $token_sid);
- $s_fields = build_hidden_fields(array(
- 'creation_time' => $now,
- 'form_token' => $token,
- ));
- $template->assign_vars(array(
- 'S_FORM_TOKEN' => $s_fields,
- ));
- }
- /**
- * Check the form key. Required for all altering actions not secured by confirm_box
- * @param string $form_name The name of the form; has to match the name used in add_form_key, otherwise no restrictions apply
- * @param int $timespan The maximum acceptable age for a submitted form in seconds. Defaults to the config setting.
- * @param string $return_page The address for the return link
- * @param bool $trigger If true, the function will triger an error when encountering an invalid form
- */
- function check_form_key($form_name, $timespan = false, $return_page = '', $trigger = false)
- {
- global $config, $user;
- if ($timespan === false)
- {
- // we enforce a minimum value of half a minute here.
- $timespan = ($config['form_token_lifetime'] == -1) ? -1 : max(30, $config['form_token_lifetime']);
- }
- if (isset($_POST['creation_time']) && isset($_POST['form_token']))
- {
- $creation_time = abs(request_var('creation_time', 0));
- $token = request_var('form_token', '');
- $diff = time() - $creation_time;
- // If creation_time and the time() now is zero we can assume it was not a human doing this (the check for if ($diff)...
- if ($diff && ($diff <= $timespan || $timespan === -1))
- {
- $token_sid = ($user->data['user_id'] == ANONYMOUS && !empty($config['form_token_sid_guests'])) ? $user->session_id : '';
- $key = sha1($creation_time . $user->data['user_form_salt'] . $form_name . $token_sid);
- if ($key === $token)
- {
- return true;
- }
- }
- }
- if ($trigger)
- {
- trigger_error($user->lang['FORM_INVALID'] . $return_page);
- }
- return false;
- }
- // Message/Login boxes
- /**
- * Build Confirm box
- * @param boolean $check True for checking if confirmed (without any additional parameters) and false for displaying the confirm box
- * @param string $title Title/Message used for confirm box.
- * message text is _CONFIRM appended to title.
- * If title cannot be found in user->lang a default one is displayed
- * If title_CONFIRM cannot be found in user->lang the text given is used.
- * @param string $hidden Hidden variables
- * @param string $html_body Template used for confirm box
- * @param string $u_action Custom form action
- */
- function confirm_box($check, $title = '', $hidden = '', $html_body = 'confirm_body.html', $u_action = '')
- {
- global $user, $template, $db;
- global $phpEx, $phpbb_root_path;
- if (isset($_POST['cancel']))
- {
- return false;
- }
- $confirm = false;
- if (isset($_POST['confirm']))
- {
- // language frontier
- if ($_POST['confirm'] === $user->lang['YES'])
- {
- $confirm = true;
- }
- }
- if ($check && $confirm)
- {
- $user_id = request_var('confirm_uid', 0);
- $session_id = request_var('sess', '');
- $confirm_key = request_var('confirm_key', '');
- if ($user_id != $user->data['user_id'] || $session_id != $user->session_id || !$confirm_key || !$user->data['user_last_confirm_key'] || $confirm_key != $user->data['user_last_confirm_key'])
- {
- return false;
- }
- // Reset user_last_confirm_key
- $sql = 'UPDATE ' . USERS_TABLE . " SET user_last_confirm_key = ''
- WHERE user_id = " . $user->data['user_id'];
- $db->sql_query($sql);
- return true;
- }
- else if ($check)
- {
- return false;
- }
- $s_hidden_fields = build_hidden_fields(array(
- 'confirm_uid' => $user->data['user_id'],
- 'sess' => $user->session_id,
- 'sid' => $user->session_id,
- ));
- // generate activation key
- $confirm_key = gen_rand_string(10);
- if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
- {
- adm_page_header((!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title]);
- }
- else
- {
- page_header(((!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title]), false);
- }
- $template->set_filenames(array(
- 'body' => $html_body)
- );
- // If activation key already exist, we better do not re-use the key (something very strange is going on...)
- if (request_var('confirm_key', ''))
- {
- // This should not occur, therefore we cancel the operation to safe the user
- return false;
- }
- // re-add sid / transform & to & for user->page (user->page is always using &)
- $use_page = ($u_action) ? $phpbb_root_path . $u_action : $phpbb_root_path . str_replace('&', '&', $user->page['page']);
- $u_action = reapply_sid($use_page);
- $u_action .= ((strpos($u_action, '?') === false) ? '?' : '&') . 'confirm_key=' . $confirm_key;
- $template->assign_vars(array(
- 'MESSAGE_TITLE' => (!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title],
- 'MESSAGE_TEXT' => (!isset($user->lang[$title . '_CONFIRM'])) ? $title : $user->lang[$title . '_CONFIRM'],
- 'YES_VALUE' => $user->lang['YES'],
- 'S_CONFIRM_ACTION' => $u_action,
- 'S_HIDDEN_FIELDS' => $hidden . $s_hidden_fields)
- );
- $sql = 'UPDATE ' . USERS_TABLE . " SET user_last_confirm_key = '" . $db->sql_escape($confirm_key) . "'
- WHERE user_id = " . $user->data['user_id'];
- $db->sql_query($sql);
- if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
- {
- adm_page_footer();
- }
- else
- {
- page_footer();
- }
- }
- /**
- * Generate login box or verify password
- */
- function login_box($redirect = '', $l_explain = '', $l_success = '', $admin = false, $s_display = true)
- {
- global $db, $user, $template, $auth, $phpEx, $phpbb_root_path, $config;
- if (!class_exists('phpbb_captcha_factory'))
- {
- include($phpbb_root_path . 'includes/captcha/captcha_factory.' . $phpEx);
- }
- $err = '';
- // Make sure user->setup() has been called
- if (empty($user->lang))
- {
- $user->setup();
- }
- // Print out error if user tries to authenticate as an administrator without having the privileges...
- if ($admin && !$auth->acl_get('a_'))
- {
- // Not authd
- // anonymous/inactive users are never able to go to the ACP even if they have the relevant permissions
- if ($user->data['is_registered'])
- {
- add_log('admin', 'LOG_ADMIN_AUTH_FAIL');
- }
- trigger_error('NO_AUTH_ADMIN');
- }
- if (isset($_POST['login']))
- {
- // Get credential
- if ($admin)
- {
- $credential = request_var('credential', '');
- if (strspn($credential, 'abcdef0123456789') !== strlen($credential) || strlen($credential) != 32)
- {
- if ($user->data['is_registered'])
- {
- add_log('admin', 'LOG_ADMIN_AUTH_FAIL');
- }
- trigger_error('NO_AUTH_ADMIN');
- }
- $password = request_var('password_' . $credential, '', true);
- }
- else
- {
- $password = request_var('password', '', true);
- }
- $username = request_var('username', '', true);
- $autologin = (!empty($_POST['autologin'])) ? true : false;
- $viewonline = (!empty($_POST['viewonline'])) ? 0 : 1;
- $admin = ($admin) ? 1 : 0;
- $viewonline = ($admin) ? $user->data['session_viewonline'] : $viewonline;
- // Check if the supplied username is equal to the one stored within the database if re-authenticating
- if ($admin && utf8_clean_string($username) != utf8_clean_string($user->data['username']))
- {
- // We log the attempt to use a different username...
- add_log('admin', 'LOG_ADMIN_AUTH_FAIL');
- trigger_error('NO_AUTH_ADMIN_USER_DIFFER');
- }
- // If authentication is successful we redirect user to previous page
- $result = $auth->login($username, $password, $autologin, $viewonline, $admin);
- // If admin authentication and login, we will log if it was a success or not...
- // We also break the operation on the first non-success login - it could be argued that the user already knows
- if ($admin)
- {
- if ($result['status'] == LOGIN_SUCCESS)
- {
- add_log('admin', 'LOG_ADMIN_AUTH_SUCCESS');
- }
- else
- {
- // Only log the failed attempt if a real user tried to.
- // anonymous/inactive users are never able to go to the ACP even if they have the relevant permissions
- if ($user->data['is_registered'])
- {
- add_log('admin', 'LOG_ADMIN_AUTH_FAIL');
- }
- }
- }
- // The result parameter is always an array, holding the relevant information...
- if ($result['status'] == LOGIN_SUCCESS)
- {
- $redirect = request_var('redirect', "{$phpbb_root_path}index.$phpEx");
- $message = ($l_success) ? $l_success : $user->lang['LOGIN_REDIRECT'];
- $l_redirect = ($admin) ? $user->lang['PROCEED_TO_ACP'] : (($redirect === "{$phpbb_root_path}index.$phpEx" || $redirect === "index.$phpEx") ? $user->lang['RETURN_INDEX'] : $user->lang['RETURN_PAGE']);
- // append/replace SID (may change during the session for AOL users)
- $redirect = reapply_sid($redirect);
- // Special case... the user is effectively banned, but we allow founders to login
- if (defined('IN_CHECK_BAN') && $result['user_row']['user_type'] != USER_FOUNDER)
- {
- return;
- }
- $redirect = meta_refresh(3, $redirect);
- trigger_error($message . '<br /><br />' . sprintf($l_redirect, '<a href="' . $redirect . '">', '</a>'));
- }
- // Something failed, determine what...
- if ($result['status'] == LOGIN_BREAK)
- {
- trigger_error($result['error_msg']);
- }
- // Special cases... determine
- switch ($result['status'])
- {
- case LOGIN_ERROR_ATTEMPTS:
- $captcha = phpbb_captcha_factory::get_instance($config['captcha_plugin']);
- $captcha->init(CONFIRM_LOGIN);
- // $captcha->reset();
- $template->assign_vars(array(
- 'CAPTCHA_TEMPLATE' => $captcha->get_template(),
- ));
- $err = $user->lang[$result['error_msg']];
- break;
- case LOGIN_ERROR_PASSWORD_CONVERT:
- $err = sprintf(
- $user->lang[$result['error_msg']],
- ($config['email_enable']) ? '<a href="' . append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=sendpassword') . '">' : '',
- ($config['email_enable']) ? '</a>' : '',
- ($config['board_contact']) ? '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">' : '',
- ($config['board_contact']) ? '</a>' : ''
- );
- break;
- // Username, password, etc...
- default:
- $err = $user->lang[$result['error_msg']];
- // Assign admin contact to some error messages
- if ($result['error_msg'] == 'LOGIN_ERROR_USERNAME' || $result['error_msg'] == 'LOGIN_ERROR_PASSWORD')
- {
- $err = (!$config['board_contact']) ? sprintf($user->lang[$result['error_msg']], '', '') : sprintf($user->lang[$result['error_msg']], '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>');
- }
- break;
- }
- }
- // Assign credential for username/password pair
- $credential = ($admin) ? md5(unique_id()) : false;
- $s_hidden_fields = array(
- 'sid' => $user->session_id,
- );
- if ($redirect)
- {
- $s_hidden_fields['redirect'] = $redirect;
- }
- if ($admin)
- {
- $s_hidden_fields['credential'] = $credential;
- }
- $s_hidden_fields = build_hidden_fields($s_hidden_fields);
- $template->assign_vars(array(
- 'LOGIN_ERROR' => $err,
- 'LOGIN_EXPLAIN' => $l_explain,
- 'U_SEND_PASSWORD' => ($config['email_enable']) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=sendpassword') : '',
- 'U_RESEND_ACTIVATION' => ($config['require_activation'] == USER_ACTIVATION_SELF && $config['email_enable']) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=resend_act') : '',
- 'U_TERMS_USE' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=terms'),
- 'U_PRIVACY' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=privacy'),
- 'S_DISPLAY_FULL_LOGIN' => ($s_display) ? true : false,
- 'S_HIDDEN_FIELDS' => $s_hidden_fields,
- 'S_ADMIN_AUTH' => $admin,
- 'USERNAME' => ($admin) ? $user->data['username'] : '',
- 'USERNAME_CREDENTIAL' => 'username',
- 'PASSWORD_CREDENTIAL' => ($admin) ? 'password_' . $credential : 'password',
- ));
- page_header($user->lang['LOGIN'], false);
- $template->set_filenames(array(
- 'body' => 'login_body.html')
- );
- make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"));
- page_footer();
- }
- /**
- * Generate forum login box
- */
- function login_forum_box($forum_data)
- {
- global $db, $config, $user, $template, $phpEx;
- $password = request_var('password', '', true);
- $sql = 'SELECT forum_id
- FROM ' . FORUMS_ACCESS_TABLE . '
- WHERE forum_id = ' . $forum_data['forum_id'] . '
- AND user_id = ' . $user->data['user_id'] . "
- AND session_id = '" . $db->sql_escape($user->session_id) . "'";
- $result = $db->sql_query($sql);
- $row = $db->sql_fetchrow($result);
- $db->sql_freeresult($result);
- if ($row)
- {
- return true;
- }
- if ($password)
- {
- // Remove expired authorised sessions
- $sql = 'SELECT f.session_id
- FROM ' . FORUMS_ACCESS_TABLE . ' f
- LEFT JOIN ' . SESSIONS_TABLE . ' s ON (f.session_id = s.session_id)
- WHERE s.session_id IS NULL';
- $result = $db->sql_query($sql);
- if ($row = $db->sql_fetchrow($result))
- {
- $sql_in = array();
- do
- {
- $sql_in[] = (string) $row['session_id'];
- }
- while ($row = $db->sql_fetchrow($result));
- // Remove expired sessions
- $sql = 'DELETE FROM ' . FORUMS_ACCESS_TABLE . '
- WHERE ' . $db->sql_in_set('session_id', $sql_in);
- $db->sql_query($sql);
- }
- $db->sql_freeresult($result);
- if (phpbb_check_hash($password, $forum_data['forum_password']))
- {
- $sql_ary = array(
- 'forum_id' => (int) $forum_data['forum_id'],
- 'user_id' => (int) $user->data['user_id'],
- 'session_id' => (string) $user->session_id,
- );
- $db->sql_query('INSERT INTO ' . FORUMS_ACCESS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
- return true;
- }
- $template->assign_var('LOGIN_ERROR', $user->lang['WRONG_PASSWORD']);
- }
- page_header($user->lang['LOGIN'], false);
- $template->assign_vars(array(
- 'S_LOGIN_ACTION' => build_url(array('f')),
- 'S_HIDDEN_FIELDS' => build_hidden_fields(array('f' => $forum_data['forum_id'])))
- );
- $template->set_filenames(array(
- 'body' => 'login_forum.html')
- );
- page_footer();
- }
- // Little helpers
- /**
- * Little helper for the build_hidden_fields function
- */
- function _build_hidden_fields($key, $value, $specialchar, $stripslashes)
- {
- $hidden_fields = '';
- if (!is_array($value))
- {
- $value = ($stripslashes) ? stripslashes($value) : $value;
- $value = ($specialchar) ? htmlspecialchars($value, ENT_COMPAT, 'UTF-8') : $value;
- $hidden_fields .= '<input type="hidden" name="' . $key . '" value="' . $value . '" />' . "\n";
- }
- else
- {
- foreach ($value as $_key => $_value)
- {
- $_key = ($stripslashes) ? stripslashes($_key) : $_key;
- $_key = ($specialchar) ? htmlspecialchars($_key, ENT_COMPAT, 'UTF-8') : $_key;
- $hidden_fields .= _build_hidden_fields($key . '[' . $_key . ']', $_value, $specialchar, $stripslashes);
- }
- }
- return $hidden_fields;
- }
- /**
- * Build simple hidden fields from array
- *
- * @param array $field_ary an array of values to build the hidden field from
- * @param bool $specialchar if true, keys and values get specialchared
- * @param bool $stripslashes if true, keys and values get stripslashed
- *
- * @return string the hidden fields
- */
- function build_hidden_fields($field_ary, $specialchar = false, $stripslashes = false)
- {
- $s_hidden_fields = '';
- foreach ($field_ary as $name => $vars)
- {
- $name = ($stripslashes) ? stripslashes($name) : $name;
- $name = ($specialchar) ? htmlspecialchars($name, ENT_COMPAT, 'UTF-8') : $name;
- $s_hidden_fields .= _build_hidden_fields($name, $vars, $specialchar, $stripslashes);
- }
- return $s_hidden_fields;
- }
- /**
- * Parse cfg file
- */
- function parse_cfg_file($filename, $lines = false)
- {
- $parsed_items = array();
- if ($lines === false)
- {
- $lines = file($filename);
- }
- foreach ($lines as $line)
- {
- $line = trim($line);
- if (!$line || $line[0] == '#' || ($delim_pos = strpos($line, '=')) === false)
- {
- continue;
- }
- // Determine first occurrence, since in values the equal sign is allowed
- $key = strtolower(trim(substr($line, 0, $delim_pos)));
- $value = trim(substr($line, $delim_pos + 1));
- if (in_array($value, array('off', 'false', '0')))
- {
- $value = false;
- }
- else if (in_array($value, array('on', 'true', '1')))
- {
- $value = true;
- }
- else if (!trim($value))
- {
- $value = '';
- }
- else if (($value[0] == "'" && $value[sizeof($value) - 1] == "'") || ($value[0] == '"' && $value[sizeof($value) - 1] == '"'))
- {
- $value = substr($value, 1, sizeof($value)-2);
- }
- $parsed_items[$key] = $value;
- }
- return $parsed_items;
- }
- /**
- * Add log event
- */
- function add_log()
- {
- global $db, $user;
- // In phpBB 3.1.x i want to have logging in a class to be able to control it
- // For now, we need a quite hakish approach to circumvent logging for some actions
- // @todo implement cleanly
- if (!empty($GLOBALS['skip_add_log']))
- {
- return false;
- }
- $args = func_get_args();
- $mode = array_shift($args);
- $reportee_id = ($mode == 'user') ? intval(array_shift($args)) : '';
- $forum_id = ($mode == 'mod') ? intval(array_shift($args)) : '';
- $topic_id = ($mode == 'mod') ? intval(array_shift($args)) : '';
- $action = array_shift($args);
- $data = (!sizeof($args)) ? '' : serialize($args);
- $sql_ary = array(
- 'user_id' => (empty($user->data)) ? ANONYMOUS : $user->data['user_id'],
- 'log_ip' => $user->ip,
- 'log_time' => time(),
- 'log_operation' => $action,
- 'log_data' => $data,
- );
- switch ($mode)
- {
- case 'admin':
- $sql_ary['log_type'] = LOG_ADMIN;
- break;
- case 'mod':
- $sql_ary += array(
- 'log_type' => LOG_MOD,
- 'forum_id' => $forum_id,
- 'topic_id' => $topic_id
- );
- break;
- case 'user':
- $sql_ary += array(
- 'log_type' => LOG_USERS,
- 'reportee_id' => $reportee_id
- );
- break;
- case 'critical':
- $sql_ary['log_type'] = LOG_CRITICAL;
- break;
- default:
- return false;
- }
- $db->sql_query('INSERT INTO ' . LOG_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
- return $db->sql_nextid();
- }
- /**
- * Return a nicely formatted backtrace (parts from the php manual by diz at ysagoon dot com)
- */
- function get_backtrace()
- {
- global $phpbb_root_path;
- $output = '<div style="font-family: monospace;">';
- $backtrace = debug_backtrace();
- $path = phpbb_realpath($phpbb_root_path);
- foreach ($backtrace as $number => $trace)
- {
- // We skip the first one, because it only shows this file/function
- if ($number == 0)
- {
- continue;
- }
- // Strip the current directory from path
- if (empty($trace['file']))
- {
- $trace['file'] = '';
- }
- else
- {
- $trace['file'] = str_replace(array($path, '\\'), array('', '/'), $trace['file']);
- $trace['file'] = substr($trace['file'], 1);
- }
- $args = array();
- // If include/require/include_once is not called, do not show arguments - they may contain sensible information
- if (!in_array($trace['function'], array('include', 'require', 'include_once')))
- {
- unset($trace['args']);
- }
- else
- {
- // Path...
- if (!empty($trace['args'][0]))
- {
- $argument = htmlspecialchars($trace['args'][0]);
- $argument = str_replace(array($path, '\\'), array('', '/'), $argument);
- $argument = substr($argument, 1);
- $args[] = "'{$argument}'";
- }
- }
- $trace['class'] = (!isset($trace['class'])) ? '' : $trace['class'];
- $trace['type'] = (!isset($trace['type'])) ? '' : $trace['type'];
- $output .= '<br />';
- $output .= '<b>FILE:</b> ' . htmlspecialchars($trace['file']) . '<br />';
- $output .= '<b>LINE:</b> ' . ((!empty($trace['line'])) ? $trace['line'] : '') . '<br />';
- $output .= '<b>CALL:</b> ' . htmlspecialchars($trace['class'] . $trace['type'] . $trace['function']) . '(' . ((sizeof($args)) ? implode(', ', $args) : '') . ')<br />';
- }
- $output .= '</div>';
- return $output;
- }
- /**
- * This function returns a regular expression pattern for commonly used expressions
- * Use with / as delimiter for email mode and # for url modes
- * mode can be: email|bbcode_htm|url|url_inline|www_url|www_url_inline|relative_url|relative_url_inline|ipv4|ipv6
- */
- function get_preg_expression($mode)
- {
- switch ($mode)
- {
- case 'email':
- // Regex written by James Watts and Francisco Jose Martin Moreno
- // http://fightingforalostcause.net/misc/2006/compare-email-regex.php
- return '([\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+\.)*(?:[\w\!\#$\%\'\*\+\-\/\=\?\^\`{\|\}\~]|&)+@((((([a-z0-9]{1}[a-z0-9\-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(\:\d{1,5})?)';
- break;
- case 'bbcode_htm':
- return array(
- '#<!\-\- e \-\-><a href="mailto:(.*?)">.*?</a><!\-\- e \-\->#',
- '#<!\-\- l \-\-><a (?:class="[\w-]+" )?href="(.*?)(?:(&|\?)sid=[0-9a-f]{32})?">.*?</a><!\-\- l \-\->#',
- '#<!\-\- ([mw]) \-\-><a (?:class="[\w-]+" )?href="(.*?)">.*?</a><!\-\- \1 \-\->#',
- '#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#',
- '#<!\-\- .*? \-\->#s',
- '#<.*?>#s',
- );
- break;
- // Whoa these look impressive!
- // The code to generate the following two regular expressions which match valid IPv4/IPv6 addresses
- // can be found in the develop directory
- case 'ipv4':
- return '#^(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$#';
- break;
- case 'ipv6':
- return '#^(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){0,5}(?:[\dA-F]{1,4}(?::[\dA-F]{1,4})?|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:)|(?:::))$#i';
- break;
- case 'url':
- case 'url_inline':
- $inline = ($mode == 'url') ? ')' : '';
- $scheme = ($mode == 'url') ? '[a-z\d+\-.]' : '[a-z\d+]'; // avoid automatic parsing of "word" in "last word.http://..."
- // generated with regex generation file in the develop folder
- return "[a-z]$scheme*:/{2}(?:(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})+|[0-9.]+|\[[a-z0-9.]+:[a-z0-9.]+:[a-z0-9.:]+\])(?::\d*)?(?:/(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*)*(?:\?(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?";
- break;
- case 'www_url':
- case 'www_url_inline':
- $inline = ($mode == 'www_url') ? ')' : '';
- return "www\.(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})+(?::\d*)?(?:/(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*)*(?:\?(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?";
- break;
- case 'relative_url':
- case 'relative_url_inline':
- $inline = ($mode == 'relative_url') ? ')' : '';
- return "(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*(?:/(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*)*(?:\?(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?";
- break;
- }
- return '';
- }
- /**
- * Generate regexp for naughty words censoring
- * Depends on whether installed PHP version supports unicode properties
- *
- * @param string $word word template to be replaced
- * @param bool $use_unicode whether or not to take advantage of PCRE supporting unicode
- *
- * @return string $preg_expr regex to use with word censor
- */
- function get_censor_preg_expression($word, $use_unicode = true)
- {
- static $unicode_support = null;
- // Check whether PHP version supports unicode properties
- if (is_null($unicode_support))
- {
- $unicode_support = ((version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) && @preg_match('/\p{L}/u', 'a') !== false) ? true : false;
- }
- // Unescape the asterisk to simplify further conversions
- $word = str_replace('\*', '*', preg_quote($word, '#'));
- if ($use_unicode && $unicode_support)
- {
- // Replace asterisk(s) inside the pattern, at the start and at the end of it with regexes
- $word = preg_replace(array('#(?<=[\p{Nd}\p{L}_])\*+(?=[\p{Nd}\p{L}_])#iu', '#^\*+#', '#\*+$#'), array('([\x20]*?|[\p{Nd}\p{L}_-]*?)', '[\p{Nd}\p{L}_-]*?', '[\p{Nd}\p{L}_-]*?'), $word);
- // Generate the final substitution
- $preg_expr = '#(?<![\p{Nd}\p{L}_-])(' . $word . ')(?![\p{Nd}\p{L}_-])#iu';
- }
- else
- {
- // Replace the asterisk inside the pattern, at the start and at the end of it with regexes
- $word = preg_replace(array('#(?<=\S)\*+(?=\S)#iu', '#^\*+#', '#\*+$#'), array('(\x20*?\S*?)', '\S*?', '\S*?'), $word);
- // Generate the final substitution
- $preg_expr = '#(?<!\S)(' . $word . ')(?!\S)#iu';
- }
- return $preg_expr;
- }
- /**
- * Returns the first block of the specified IPv6 address and as many additional
- * ones as specified in the length paramater.
- * If length is zero, then an empty string is returned.
- * If length is greater than 3 the complete IP will be returned
- */
- function short_ipv6($ip, $length)
- {
- if ($length < 1)
- {
- return '';
- }
- // extend IPv6 addresses
- $blocks = substr_count($ip, ':') + 1;
- if ($blocks < 9)
- {
- $ip = str_replace('::', ':' . str_repeat('0000:', 9 - $blocks), $ip);
- }
- if ($ip[0] == ':')
- {
- $ip = '0000' . $ip;
- }
- if ($length < 4)
- {
- $ip = implode(':', array_slice(explode(':', $ip), 0, 1 + $length));
- }
- return $ip;
- }
- /**
- * Wrapper for php's checkdnsrr function.
- *
- * @param string $host Fully-Qualified Domain Name
- * @param string $type Resource record type to lookup
- * Supported types are: MX (default), A, AAAA, NS, TXT, CNAME
- * Other types may work or may not work
- *
- * @return mixed true if entry found,
- * false if entry not found,
- * null if this function is not supported by this environment
- *
- * Since null can also be returned, you probably want to compare the result
- * with === true or === false,
- *
- * @author bantu
- */
- function phpbb_checkdnsrr($host, $type = 'MX')
- {
- // The dot indicates to search the DNS root (helps those having DNS prefixes on the same domain)
- if (substr($host, -1) == '.')
- {
- $host_fqdn = $host;
- $host = substr($host, 0, -1);
- }
- else
- {
- $host_fqdn = $host . '.';
- }
- // $host has format some.host.example.com
- // $host_fqdn has format some.host.example.com.
- // If we're looking for an A record we can use gethostbyname()
- if ($type == 'A' && function_exists('gethostbyname'))
- {
- return (@gethostbyname($host_fqdn) == $host_fqdn) ? false : true;
- }
- // checkdnsrr() is available on Windows since PHP 5.3,
- // but until 5.3.3 it only works for MX records
- // See: http://bugs.php.net/bug.php?id=51844
- // Call checkdnsrr() if
- // we're looking for an MX record or
- // we're not on Windows or
- // we're running a PHP version where #51844 has been fixed
- // checkdnsrr() supports AAAA since 5.0.0
- // checkdnsrr() supports TXT since 5.2.4
- if (
- ($type == 'MX' || DIRECTORY_SEPARATOR != '\\' || version_compare(PHP_VERSION, '5.3.3', '>=')) &&
- ($type != 'AAAA' || version_compare(PHP_VERSION, '5.0.0', '>=')) &&
- ($type != 'TXT' || version_compare(PHP_VERSION, '5.2.4', '>=')) &&
- function_exists('checkdnsrr')
- )
- {
- return checkdnsrr($host_fqdn, $type);
- }
- // dns_get_record() is available since PHP 5; since PHP 5.3 also on Windows,
- // but on Windows it does not work reliable for AAAA records before PHP 5.3.1
- // Call dns_get_record() if
- // we're not looking for an AAAA record or
- // we're not on Windows or
- // we're running a PHP version where AAAA lookups work reliable
- if (
- ($type != 'AAAA' || DIRECTORY_SEPARATOR != '\\' || version_compare(PHP_VERSION, '5.3.1', '>=')) &&
- function_exists('dns_get_record')
- )
- {
- // dns_get_record() expects an integer as second parameter
- // We have to convert the string $type to the corresponding integer constant.
- $type_constant = 'DNS_' . $type;
- $type_param = (defined($type_constant)) ? constant($type_constant) : DNS_ANY;
- // dns_get_record() might throw E_WARNING and return false for records that do not exist
- $resultset = @dns_get_record($host_fqdn, $type_param);
- if (empty($resultset) || !is_array($resultset))
- {
- return false;
- }
- else if ($type_param == DNS_ANY)
- {
- // $resultset is a non-empty array
- return true;
- }
- foreach ($resultset as $result)
- {
- if (
- isset($result['host']) && $result['host'] == $host &&
- isset($result['type']) && $result['type'] == $type
- )
- {
- return true;
- }
- }
- return false;
- }
- // If we're on Windows we can still try to call nslookup via exec() as a last resort
- if (DIRECTORY_SEPARATOR == '\\' && function_exists('exec'))
- {
- @exec('nslookup -type=' . escapeshellarg($type) . ' ' . escapeshellarg($host_fqdn), $output);
- // If output is empty, the nslookup failed
- if (empty($output))
- {
- return NULL;
- }
- foreach ($output as $line)
- {
- $line = trim($line);
- if (empty($line))
- {
- continue;
- }
- // Squash tabs and multiple whitespaces to a single whitespace.
- $line = preg_replace('/\s+/', ' ', $line);
- switch ($type)
- {
- case 'MX':
- if (stripos($line, "$host MX") === 0)
- {
- return true;
- }
- break;
- case 'NS':
- if (stripos($line, "$host nameserver") === 0)
- {
- return true;
- }
- break;
- case 'TXT':
- if (stripos($line, "$host text") === 0)
- {
- return true;
- }
- break;
- case 'CNAME':
- if (stripos($line, "$host canonical name") === 0)
- {
- return true;
- }
- default:
- case 'A':
- case 'AAAA':
- if (!empty($host_matches))
- {
- // Second line
- if (stripos($line, "Address: ") === 0)
- {
- return true;
- }
- else
- {
- $host_matches = false;
- }
- }
- else if (stripos($line, "Name: $host") === 0)
- {
- // First line
- $host_matches = true;
- }
- break;
- }
- }
- return false;
- }
- return NULL;
- }
- // Handler, header and footer
- /**
- * Error and message handler, call with trigger_error if reqd
- */
- function msg_handler($errno, $msg_text, $errfile, $errline)
- {
- global $cache, $db, $auth, $template, $config, $user;
- global $phpEx, $phpbb_root_path, $msg_title, $msg_long_text;
- // Do not display notices if we suppress them via @
- if (error_reporting() == 0 && $errno != E_USER_ERROR && $errno != E_USER_WARNING && $errno != E_USER_NOTICE)
- {
- return;
- }
- // Message handler is stripping text. In case we need it, we are possible to define long text...
- if (isset($msg_long_text) && $msg_long_text && !$msg_text)
- {
- $msg_text = $msg_long_text;
- }
- if (!defined('E_DEPRECATED'))
- {
- define('E_DEPRECATED', 8192);
- }
- switch ($errno)
- {
- case E_NOTICE:
- case E_WARNING:
- // Check the error reporting level and return if the error level does not match
- // If DEBUG is defined the default level is E_ALL
- if (($errno & ((defined('DEBUG')) ? E_ALL : error_reporting())) == 0)
- {
- return;
- }
- if (strpos($errfile, 'cache') === false && strpos($errfile, 'template.') === false)
- {
- // remove complete path to installation, with the risk of changing backslashes meant to be there
- $errfile = str_replace(array(phpbb_realpath($phpbb_root_path), '\\'), array('', '/'), $errfile);
- $msg_text = str_replace(array(phpbb_realpath($phpbb_root_path), '\\'), array('', '/'), $msg_text);
- $error_name = ($errno === E_WARNING) ? 'PHP Warning' : 'PHP Notice';
- echo '<b>[phpBB Debug] ' . $error_name . '</b>: in file <b>' . $errfile . '</b> on line <b>' . $errline . '</b>: <b>' . $msg_text . '</b><br />' . "\n";
- // we are writing an image - the user won't see the debug, so let's place it in the log
- if (defined('IMAGE_OUTPUT') || defined('IN_CRON'))
- {
- add_log('critical', 'LOG_IMAGE_GENERATION_ERROR', $errfile, $errline, $msg_text);
- }
- // echo '<br /><br />BACKTRACE<br />' . get_backtrace() . '<br />' . "\n";
- }
- return;
- break;
- case E_USER_ERROR:
- if (!empty($user) && !empty($user->lang))
- {
- $msg_text = (!empty($user->lang[$msg_text])) ? $user->lang[$msg_text] : $msg_text;
- $msg_title = (!isset($msg_title)) ? $user->lang['GENERAL_ERROR'] : ((!empty($user->lang[$msg_title])) ? $user->lang[$msg_title] : $msg_title);
- $l_return_index = sprintf($user->lang['RETURN_INDEX'], '<a href="' . $phpbb_root_path . '">', '</a>');
- $l_notify = '';
- if (!empty($config['board_contact']))
- {
- $l_notify = '<p>' . sprintf($user->lang['NOTIFY_ADMIN_EMAIL'], $config['board_contact']) . '</p>';
- }
- }
- else
- {
- $msg_title = 'General Error';
- $l_return_index = '<a href="' . $phpbb_root_path . '">Return to index page</a>';
- $l_notify = '';
- if (!empty($config['board_contact']))
- {
- $l_notify = '<p>Please notify the board administrator or webmaster: <a href="mailto:' . $config['board_contact'] . '">' . $config['board_contact'] . '</a></p>';
- }
- }
- if ((defined('DEBUG') || defined('IN_CRON') || defined('IMAGE_OUTPUT')) && isset($db))
- {
- // let's avoid loops
- $db->sql_return_on_error(true);
- add_log('critical', 'LOG_GENERAL_ERROR', $msg_title, $msg_text);
- $db->sql_return_on_error(false);
- }
- // Do not send 200 OK, but service unavailable on errors
- send_status_line(503, 'Service Unavailable');
- garbage_collection();
- // Try to not call the adm page data...
- echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
- echo '<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">';
- echo '<head>';
- echo '<meta http-equiv="content-type" content="text/html; charset=utf-8" />';
- echo '<title>' . $msg_title . '</title>';
- echo '<style type="text/css">' . "\n" . '/* <![CDATA[ */' . "\n";
- echo '* { margin: 0; padding: 0; } html { font-size: 100%; height: 100%; margin-bottom: 1px; background-color: #E4EDF0; } body { font-family: "Lucida Grande", Verdana, Helvetica, Arial, sans-serif; color: #536482; background: #E4EDF0; font-size: 62.5%; margin: 0; } ';
- echo 'a:link, a:active, a:visited { color: #006699; text-decoration: none; } a:hover { color: #DD6900; text-decoration: underline; } ';
- echo '#wrap { padding: 0 20px 15px 20px; min-width: 615px; } #page-header { text-align: right; height: 40px; } #page-footer { clear: both; font-size: 1em; text-align: center; } ';
- echo '.panel { margin: 4px 0; background-color: #FFFFFF; border: solid 1px #A9B8C2; } ';
- echo '#errorpage #page-header a { font-weight: bold; line-height: 6em; } #errorpage #content { padding: 10px; } #errorpage #content h1 { line-height: 1.2em; margin-bottom: 0; color: #DF075C; } ';
- echo '#errorpage #content div { margin-top: 20px; margin-bottom: 5px; border-bottom: 1px solid #CCCCCC; padding-bottom: 5px; color: #333333; font: bold 1.2em "Lucida Grande", Arial, Helvetica, sans-serif; text-decoration: none; line-height: 120%; text-align: left; } ';
- echo "\n" . '/* ]]> */' . "\n";
- echo '</style>';
- echo '</head>';
- echo '<body id="errorpage">';
- echo '<div id="wrap">';
- echo ' <div id="page-header">';
- echo ' ' . $l_return_index;
- echo ' </div>';
- echo ' <div id="acp">';
- echo ' <div class="panel">';
- echo ' <div id="content">';
- echo ' <h1>' . $msg_title . '</h1>';
- echo ' <div>' . $msg_text . '</div>';
- echo $l_notify;
- echo ' </div>';
- echo ' </div>';
- echo ' </div>';
- echo ' <div id="page-footer">';
- echo ' Powered by <a href="http://www.phpbb.com/">phpBB</a>® Forum Software © phpBB Group';
- echo ' </div>';
- echo '</div>';
- echo '</body>';
- echo '</html>';
- exit_handler();
- // On a fatal error (and E_USER_ERROR *is* fatal) we never want other scripts to continue and force an exit here.
- exit;
- break;
- case E_USER_WARNING:
- case E_USER_NOTICE:
- define('IN_ERROR_HANDLER', true);
- if (empty($user->data))
- {
- $user->session_begin();
- }
- // We re-init the auth array to get correct results on login/logout
- $auth->acl($user->data);
- if (empty($user->lang))
- {
- $user->setup();
- }
- if ($msg_text == 'ERROR_NO_ATTACHMENT' || $msg_text == 'NO_FORUM' || $msg_text == 'NO_TOPIC' || $msg_text == 'NO_USER')
- {
- send_status_line(404, 'Not Found');
- }
- $msg_text = (!empty($user->lang[$msg_text])) ? $user->lang[$msg_text] : $msg_text;
- $msg_title = (!isset($msg_title)) ? $user->lang['INFORMATION'] : ((!empty($user->lang[$msg_title])) ? $user->lang[$msg_title] : $msg_title);
- if (!defined('HEADER_INC'))
- {
- if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
- {
- adm_page_header($msg_title);
- }
- else
- {
- page_header($msg_title, false);
- }
- }
- $template->set_filenames(array(
- 'body' => 'message_body.html')
- );
- $template->assign_vars(array(
- 'MESSAGE_TITLE' => $msg_title,
- 'MESSAGE_TEXT' => $msg_text,
- 'S_USER_WARNING' => ($errno == E_USER_WARNING) ? true : false,
- 'S_USER_NOTICE' => ($errno == E_USER_NOTICE) ? true : false)
- );
- // We do not want the cron script to be called on error messages
- define('IN_CRON', true);
- if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
- {
- adm_page_footer();
- }
- else
- {
- page_footer();
- }
- exit_handler();
- break;
- // PHP4 compatibility
- case E_DEPRECATED:
- return true;
- break;
- }
- // If we notice an error not handled here we pass this back to PHP by returning false
- // This may not work for all php versions
- return false;
- }
- /**
- * Queries the session table to get information about online guests
- * @param int $item_id Limits the search to the item with this id
- * @param string $item The name of the item which is stored in the session table as session_{$item}_id
- * @return int The number of active distinct guest sessions
- */
- function obtain_guest_count($item_id = 0, $item = 'forum')
- {
- global $db, $config;
- if ($item_id)
- {
- $reading_sql = ' AND s.session_' . $item . '_id = ' . (int) $item_id;
- }
- else
- {
- $reading_sql = '';
- }
- $time = (time() - (intval($config['load_online_time']) * 60));
- // Get number of online guests
- if ($db->sql_layer === 'sqlite')
- {
- $sql = 'SELECT COUNT(session_ip) as num_guests
- FROM (
- SELECT DISTINCT s.session_ip
- FROM ' . SESSIONS_TABLE . ' s
- WHERE s.session_user_id = ' . ANONYMOUS . '
- AND s.session_time >= ' . ($time - ((int) ($time % 60))) .
- $reading_sql .
- ')';
- }
- else
- {
- $sql = 'SELECT COUNT(DISTINCT s.session_ip) as num_guests
- FROM ' . SESSIONS_TABLE . ' s
- WHERE s.session_user_id = ' . ANONYMOUS . '
- AND s.session_time >= ' . ($time - ((int) ($time % 60))) .
- $reading_sql;
- }
- $result = $db->sql_query($sql);
- $guests_online = (int) $db->sql_fetchfield('num_guests');
- $db->sql_freeresult($result);
- return $guests_online;
- }
- /**
- * Queries the session table to get information about online users
- * @param int $item_id Limits the search to the item with this id
- * @param string $item The name of the item which is stored in the session table as session_{$item}_id
- * @return array An array containing the ids of online, hidden and visible users, as well as statistical info
- */
- function obtain_users_online($item_id = 0, $item = 'forum')
- {
- global $db, $config, $user;
- $reading_sql = '';
- if ($item_id !== 0)
- {
- $reading_sql = ' AND s.session_' . $item . '_id = ' . (int) $item_id;
- }
- $online_users = array(
- 'online_users' => array(),
- 'hidden_users' => array(),
- 'total_online' => 0,
- 'visible_online' => 0,
- 'hidden_online' => 0,
- 'guests_online' => 0,
- );
- if ($config['load_online_guests'])
- {
- $online_users['guests_online'] = obtain_guest_count($item_id, $item);
- }
- // a little discrete magic to cache this for 30 seconds
- $time = (time() - (intval($config['load_online_time']) * 60));
- $sql = 'SELECT s.session_user_id, s.session_ip, s.session_viewonline
- FROM ' . SESSIONS_TABLE . ' s
- WHERE s.session_time >= ' . ($time - ((int) ($time % 30))) .
- $reading_sql .
- ' AND s.session_user_id <> ' . ANONYMOUS;
- $result = $db->sql_query($sql);
- while ($row = $db->sql_fetchrow($result))
- {
- // Skip multiple sessions for one user
- if (!isset($online_users['online_users'][$row['session_user_id']]))
- {
- $online_users['online_users'][$row['session_user_id']] = (int) $row['session_user_id'];
- if ($row['session_viewonline'])
- {
- $online_users['visible_online']++;
- }
- else
- {
- $online_users['hidden_users'][$row['session_user_id']] = (int) $row['session_user_id'];
- $online_users['hidden_online']++;
- }
- }
- }
- $online_users['total_online'] = $online_users['guests_online'] + $online_users['visible_online'] + $online_users['hidden_online'];
- $db->sql_freeresult($result);
- return $online_users;
- }
- /**
- * Uses the result of obtain_users_online to generate a localized, readable representation.
- * @param mixed $online_users result of obtain_users_online - array with user_id lists for total, hidden and visible users, and statistics
- * @param int $item_id Indicate that the data is limited to one item and not global
- * @param string $item The name of the item which is stored in the session table as session_{$item}_id
- * @return array An array containing the string for output to the template
- */
- function obtain_users_online_string($online_users, $item_id = 0, $item = 'forum')
- {
- global $config, $db, $user, $auth;
- $user_online_link = $online_userlist = '';
- // Need caps version of $item for language-strings
- $item_caps = strtoupper($item);
- if (sizeof($online_users['online_users']))
- {
- $sql = 'SELECT username, username_clean, user_id, user_type, user_allow_viewonline, user_colour
- FROM ' . USERS_TABLE . '
- WHERE ' . $db->sql_in_set('user_id', $online_users['online_users']) . '
- ORDER BY username_clean ASC';
- $result = $db->sql_query($sql);
- while ($row = $db->sql_fetchrow($result))
- {
- // User is logged in and therefore not a guest
- if ($row['user_id'] != ANONYMOUS)
- {
- if (isset($online_users['hidden_users'][$row['user_id']]))
- {
- $row['username'] = '<em>' . $row['username'] . '</em>';
- }
- if (!isset($online_users['hidden_users'][$row['user_id']]) || $auth->acl_get('u_viewonline'))
- {
- $user_online_link = get_username_string(($row['user_type'] <> USER_IGNORE) ? 'full' : 'no_profile', $row['user_id'], $row['username'], $row['user_colour']);
- $online_userlist .= ($online_userlist != '') ? ', ' . $user_online_link : $user_online_link;
- }
- }
- }
- $db->sql_freeresult($result);
- }
- if (!$online_userlist)
- {
- $online_userlist = $user->lang['NO_ONLINE_USERS'];
- }
- if ($item_id === 0)
- {
- $online_userlist = $user->lang['REGISTERED_USERS'] . ' ' . $online_userlist;
- }
- else if ($config['load_online_guests'])
- {
- $l_online = ($online_users['guests_online'] === 1) ? $user->lang['BROWSING_' . $item_caps . '_GUEST'] : $user->lang['BROWSING_' . $item_caps . '_GUESTS'];
- $online_userlist = sprintf($l_online, $online_userlist, $online_users['guests_online']);
- }
- else
- {
- $online_userlist = sprintf($user->lang['BROWSING_' . $item_caps], $online_userlist);
- }
- // Build online listing
- $vars_online = array(
- 'ONLINE' => array('total_online', 'l_t_user_s', 0),
- 'REG' => array('visible_online', 'l_r_user_s', !$config['load_online_guests']),
- 'HIDDEN' => array('hidden_online', 'l_h_user_s', $config['load_online_guests']),
- 'GUEST' => array('guests_online', 'l_g_user_s', 0)
- );
- foreach ($vars_online as $l_prefix => $var_ary)
- {
- if ($var_ary[2])
- {
- $l_suffix = '_AND';
- }
- else
- {
- $l_suffix = '';
- }
- switch ($online_users[$var_ary[0]])
- {
- case 0:
- ${$var_ary[1]} = $user->lang[$l_prefix . '_USERS_ZERO_TOTAL' . $l_suffix];
- break;
- case 1:
- ${$var_ary[1]} = $user->lang[$l_prefix . '_USER_TOTAL' . $l_suffix];
- break;
- default:
- ${$var_ary[1]} = $user->lang[$l_prefix . '_USERS_TOTAL' . $l_suffix];
- break;
- }
- }
- unset($vars_online);
- $l_online_users = sprintf($l_t_user_s, $online_users['total_online']);
- $l_online_users .= sprintf($l_r_user_s, $online_users['visible_online']);
- $l_online_users .= sprintf($l_h_user_s, $online_users['hidden_online']);
- if ($config['load_online_guests'])
- {
- $l_online_users .= sprintf($l_g_user_s, $online_users['guests_online']);
- }
- return array(
- 'online_userlist' => $online_userlist,
- 'l_online_users' => $l_online_users,
- );
- }
- /**
- * Get option bitfield from custom data
- *
- * @param int $bit The bit/value to get
- * @param int $data Current bitfield to check
- * @return bool Returns true if value of constant is set in bitfield, else false
- */
- function phpbb_optionget($bit, $data)
- {
- return ($data & 1 << (int) $bit) ? true : false;
- }
- /**
- * Set option bitfield
- *
- * @param int $bit The bit/value to set/unset
- * @param bool $set True if option should be set, false if option should be unset.
- * @param int $data Current bitfield to change
- *
- * @return int The new bitfield
- */
- function phpbb_optionset($bit, $set, $data)
- {
- if ($set && !($data & 1 << $bit))
- {
- $data += 1 << $bit;
- }
- else if (!$set && ($data & 1 << $bit))
- {
- $data -= 1 << $bit;
- }
- return $data;
- }
- /**
- * Login using http authenticate.
- *
- * @param array $param Parameter array, see $param_defaults array.
- *
- * @return void
- */
- function phpbb_http_login($param)
- {
- global $auth, $user;
- global $config;
- $param_defaults = array(
- 'auth_message' => '',
- 'autologin' => false,
- 'viewonline' => true,
- 'admin' => false,
- );
- // Overwrite default values with passed values
- $param = array_merge($param_defaults, $param);
- // User is already logged in
- // We will not overwrite his session
- if (!empty($user->data['is_registered']))
- {
- return;
- }
- // $_SERVER keys to check
- $username_keys = array(
- 'PHP_AUTH_USER',
- 'Authorization',
- 'REMOTE_USER', 'REDIRECT_REMOTE_USER',
- 'HTTP_AUTHORIZATION', 'REDIRECT_HTTP_AUTHORIZATION',
- 'REMOTE_AUTHORIZATION', 'REDIRECT_REMOTE_AUTHORIZATION',
- 'AUTH_USER',
- );
- $password_keys = array(
- 'PHP_AUTH_PW',
- 'REMOTE_PASSWORD',
- 'AUTH_PASSWORD',
- );
- $username = null;
- foreach ($username_keys as $k)
- {
- if (isset($_SERVER[$k]))
- {
- $username = $_SERVER[$k];
- break;
- }
- }
- $password = null;
- foreach ($password_keys as $k)
- {
- if (isset($_SERVER[$k]))
- {
- $password = $_SERVER[$k];
- break;
- }
- }
- // Decode encoded information (IIS, CGI, FastCGI etc.)
- if (!is_null($username) && is_null($password) && strpos($username, 'Basic ') === 0)
- {
- list($username, $password) = explode(':', base64_decode(substr($username, 6)), 2);
- }
- if (!is_null($username) && !is_null($password))
- {
- set_var($username, $username, 'string', true);
- set_var($password, $password, 'string', true);
- $auth_result = $auth->login($username, $password, $param['autologin'], $param['viewonline'], $param['admin']);
- if ($auth_result['status'] == LOGIN_SUCCESS)
- {
- return;
- }
- else if ($auth_result['status'] == LOGIN_ERROR_ATTEMPTS)
- {
- send_status_line(401, 'Unauthorized');
- trigger_error('NOT_AUTHORISED');
- }
- }
- // Prepend sitename to auth_message
- $param['auth_message'] = ($param['auth_message'] === '') ? $config['sitename'] : $config['sitename'] . ' - ' . $param['auth_message'];
- // We should probably filter out non-ASCII characters - RFC2616
- $param['auth_message'] = preg_replace('/[\x80-\xFF]/', '?', $param['auth_message']);
- header('WWW-Authenticate: Basic realm="' . $param['auth_message'] . '"');
- send_status_line(401, 'Unauthorized');
- trigger_error('NOT_AUTHORISED');
- }
- /**
- * Generate page header
- */
- function page_header($page_title = '', $display_online_list = true, $item_id = 0, $item = 'forum')
- {
- global $db, $config, $template, $SID, $_SID, $user, $auth, $phpEx, $phpbb_root_path;
- if (defined('HEADER_INC'))
- {
- return;
- }
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- global $phpbb_seo;
- if (!empty($phpbb_seo)) {
- $template->assign_vars( array(
- 'PHPBB_FULL_URL' => $phpbb_seo->seo_path['phpbb_url'],
- 'SEO_BASE_HREF' => $phpbb_seo->seo_opt['seo_base_href'],
- 'SEO_START_DELIM' => $phpbb_seo->seo_delim['start'],
- 'SEO_SATIC_PAGE' => $phpbb_seo->seo_static['pagination'],
- 'SEO_EXT_PAGE' => $phpbb_seo->seo_ext['pagination'],
- 'SEO_CANONICAL_URL' => !empty($phpbb_seo->seo_opt['zero_dupe']['on']) ? $phpbb_seo->get_canonical() : '',
- 'SEO_EXTERNAL' => !empty($config['seo_ext_links']) ? 'true' : 'false',
- 'SEO_EXTERNAL_SUB' => !empty($config['seo_ext_subdomain']) ? 'true' : 'false',
- 'SEO_EXT_CLASSES' => !empty($config['seo_ext_classes']) ? "'" . preg_replace('`[^a-z0-9_|-]+`', '', str_replace(',', '|', trim($config['seo_ext_classes'], ', '))) . "'" : 'false',
- 'SEO_HASHFIX' => $phpbb_seo->seo_opt['url_rewrite'] && $phpbb_seo->seo_opt['virtual_folder'] ? 'true' : 'false',
- ));
- }
- if (isset($user->lang['Page']) && !empty($config['seo_append_sitename']) && !empty($config['sitename'])) {
- $page_title = $page_title && strpos($page_title, $config['sitename']) === false ? $page_title . ' - ' . $config['sitename'] : $page_title;
- }
- // www.phpBB-SEO.com SEO TOOLKIT END
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN - META
- global $seo_meta;
- if (!empty($seo_meta)) {
- $seo_meta->build_meta($page_title);
- }
- // www.phpBB-SEO.com SEO TOOLKIT END - META
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN - GYM LINKS
- if (!empty($config['gym_installed'])) {
- if (!function_exists('obtain_gym_links')) {
- require_once($phpbb_root_path . 'gym_sitemaps/includes/gym_common.' . $phpEx);
- }
- $gym_setup = obtain_gym_links();
- }
- // www.phpBB-SEO.com SEO TOOLKIT END - GYM LINKS
- define('HEADER_INC', true);
- // gzip_compression
- if ($config['gzip_compress'])
- {
- // to avoid partially compressed output resulting in blank pages in
- // the browser or error messages, compression is disabled in a few cases:
- //
- // 1) if headers have already been sent, this indicates plaintext output
- // has been started so further content must not be compressed
- // 2) the length of the current output buffer is non-zero. This means
- // there is already some uncompressed content in this output buffer
- // so further output must not be compressed
- // 3) if more than one level of output buffering is used because we
- // cannot test all output buffer level content lengths. One level
- // could be caused by php.ini output_buffering. Anything
- // beyond that is manual, so the code wrapping phpBB in output buffering
- // can easily compress the output itself.
- //
- if (@extension_loaded('zlib') && !headers_sent() && ob_get_level() <= 1 && ob_get_length() == 0)
- {
- ob_start('ob_gzhandler');
- }
- }
- // Generate logged in/logged out status
- if ($user->data['user_id'] != ANONYMOUS)
- {
- $u_login_logout = append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=logout', true, $user->session_id);
- $l_login_logout = sprintf($user->lang['LOGOUT_USER'], $user->data['username']);
- }
- else
- {
- $u_login_logout = append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=login');
- $l_login_logout = $user->lang['LOGIN'];
- }
- // Last visit date/time
- $s_last_visit = ($user->data['user_id'] != ANONYMOUS) ? $user->format_date($user->data['session_last_visit']) : '';
- // Get users online list ... if required
- $l_online_users = $online_userlist = $l_online_record = $l_online_time = '';
- if ($config['load_online'] && $config['load_online_time'] && $display_online_list)
- {
- /**
- * Load online data:
- * For obtaining another session column use $item and $item_id in the function-parameter, whereby the column is session_{$item}_id.
- */
- $item_id = max($item_id, 0);
- $online_users = obtain_users_online($item_id, $item);
- $user_online_strings = obtain_users_online_string($online_users, $item_id, $item);
- $l_online_users = $user_online_strings['l_online_users'];
- $online_userlist = $user_online_strings['online_userlist'];
- $total_online_users = $online_users['total_online'];
- if ($total_online_users > $config['record_online_users'])
- {
- set_config('record_online_users', $total_online_users, true);
- set_config('record_online_date', time(), true);
- }
- $l_online_record = sprintf($user->lang['RECORD_ONLINE_USERS'], $config['record_online_users'], $user->format_date($config['record_online_date'], false, true));
- $l_online_time = ($config['load_online_time'] == 1) ? 'VIEW_ONLINE_TIME' : 'VIEW_ONLINE_TIMES';
- $l_online_time = sprintf($user->lang[$l_online_time], $config['load_online_time']);
- }
- $l_privmsgs_text = $l_privmsgs_text_unread = '';
- $s_privmsg_new = false;
- // Obtain number of new private messages if user is logged in
- if (!empty($user->data['is_registered']))
- {
- if ($user->data['user_new_privmsg'])
- {
- $l_message_new = ($user->data['user_new_privmsg'] == 1) ? $user->lang['NEW_PM'] : $user->lang['NEW_PMS'];
- $l_privmsgs_text = sprintf($l_message_new, $user->data['user_new_privmsg']);
- if (!$user->data['user_last_privmsg'] || $user->data['user_last_privmsg'] > $user->data['session_last_visit'])
- {
- $sql = 'UPDATE ' . USERS_TABLE . '
- SET user_last_privmsg = ' . $user->data['session_last_visit'] . '
- WHERE user_id = ' . $user->data['user_id'];
- $db->sql_query($sql);
- $s_privmsg_new = true;
- }
- else
- {
- $s_privmsg_new = false;
- }
- }
- else
- {
- $l_privmsgs_text = $user->lang['NO_NEW_PM'];
- $s_privmsg_new = false;
- }
- $l_privmsgs_text_unread = '';
- if ($user->data['user_unread_privmsg'] && $user->data['user_unread_privmsg'] != $user->data['user_new_privmsg'])
- {
- $l_message_unread = ($user->data['user_unread_privmsg'] == 1) ? $user->lang['UNREAD_PM'] : $user->lang['UNREAD_PMS'];
- $l_privmsgs_text_unread = sprintf($l_message_unread, $user->data['user_unread_privmsg']);
- }
- }
- $forum_id = request_var('f', 0);
- $topic_id = request_var('t', 0);
- $s_feed_news = false;
- // Get option for news
- if ($config['feed_enable'])
- {
- $sql = 'SELECT forum_id
- FROM ' . FORUMS_TABLE . '
- WHERE ' . $db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0');
- $result = $db->sql_query_limit($sql, 1, 0, 600);
- $s_feed_news = (int) $db->sql_fetchfield('forum_id');
- $db->sql_freeresult($result);
- }
- // Determine board url - we may need it later
- $board_url = generate_board_url() . '/';
- $web_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? $board_url : $phpbb_root_path;
- // Which timezone?
- $tz = ($user->data['user_id'] != ANONYMOUS) ? strval(doubleval($user->data['user_timezone'])) : strval(doubleval($config['board_timezone']));
- // Send a proper content-language to the output
- $user_lang = $user->lang['USER_LANG'];
- if (strpos($user_lang, '-x-') !== false)
- {
- $user_lang = substr($user_lang, 0, strpos($user_lang, '-x-'));
- }
- $s_search_hidden_fields = array();
- if ($_SID)
- {
- $s_search_hidden_fields['sid'] = $_SID;
- }
- // The following assigns all _common_ variables that may be used at any point in a template.
- $template->assign_vars(array(
- 'SITENAME' => $config['sitename'],
- 'SITE_DESCRIPTION' => $config['site_desc'],
- 'PAGE_TITLE' => $page_title,
- 'SCRIPT_NAME' => str_replace('.' . $phpEx, '', $user->page['page_name']),
- 'LAST_VISIT_DATE' => sprintf($user->lang['YOU_LAST_VISIT'], $s_last_visit),
- 'LAST_VISIT_YOU' => $s_last_visit,
- 'CURRENT_TIME' => sprintf($user->lang['CURRENT_TIME'], $user->format_date(time(), false, true)),
- 'TOTAL_USERS_ONLINE' => $l_online_users,
- 'LOGGED_IN_USER_LIST' => $online_userlist,
- 'RECORD_USERS' => $l_online_record,
- 'PRIVATE_MESSAGE_INFO' => $l_privmsgs_text,
- 'PRIVATE_MESSAGE_INFO_UNREAD' => $l_privmsgs_text_unread,
- 'S_USER_NEW_PRIVMSG' => $user->data['user_new_privmsg'],
- 'S_USER_UNREAD_PRIVMSG' => $user->data['user_unread_privmsg'],
- 'S_USER_NEW' => $user->data['user_new'],
- 'SID' => $SID,
- '_SID' => $_SID,
- 'SESSION_ID' => $user->session_id,
- 'ROOT_PATH' => $phpbb_root_path,
- 'BOARD_URL' => $board_url,
- 'L_LOGIN_LOGOUT' => $l_login_logout,
- 'L_INDEX' => $user->lang['FORUM_INDEX'],
- 'L_ONLINE_EXPLAIN' => $l_online_time,
- 'U_PRIVATEMSGS' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&folder=inbox'),
- 'U_RETURN_INBOX' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&folder=inbox'),
- 'U_POPUP_PM' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&mode=popup'),
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- 'UA_POPUP_PM' => addslashes(append_sid((!empty($phpbb_seo) ? $phpbb_seo->seo_path['phpbb_url'] : $phpbb_root_path) . "ucp.$phpEx", 'i=pm&mode=popup')),
- // www.phpBB-SEO.com SEO TOOLKIT END
- 'U_MEMBERLIST' => append_sid("{$phpbb_root_path}memberlist.$phpEx"),
- 'U_VIEWONLINE' => ($auth->acl_gets('u_viewprofile', 'a_user', 'a_useradd', 'a_userdel')) ? append_sid("{$phpbb_root_path}viewonline.$phpEx") : '',
- 'U_LOGIN_LOGOUT' => $u_login_logout,
- 'U_INDEX' => append_sid("{$phpbb_root_path}index.$phpEx"),
- 'U_SEARCH' => append_sid("{$phpbb_root_path}search.$phpEx"),
- 'U_REGISTER' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=register'),
- 'U_PROFILE' => append_sid("{$phpbb_root_path}ucp.$phpEx"),
- 'U_MODCP' => append_sid("{$phpbb_root_path}mcp.$phpEx", false, true, $user->session_id),
- 'U_FAQ' => append_sid("{$phpbb_root_path}faq.$phpEx"),
- 'U_SEARCH_SELF' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=egosearch'),
- 'U_SEARCH_NEW' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=newposts'),
- 'U_SEARCH_UNANSWERED' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=unanswered'),
- 'U_SEARCH_UNREAD' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=unreadposts'),
- 'U_SEARCH_ACTIVE_TOPICS'=> append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=active_topics'),
- 'U_DELETE_COOKIES' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=delete_cookies'),
- 'U_TEAM' => ($user->data['user_id'] != ANONYMOUS && !$auth->acl_get('u_viewprofile')) ? '' : append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=leaders'),
- 'U_TERMS_USE' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=terms'),
- 'U_PRIVACY' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=privacy'),
- 'U_RESTORE_PERMISSIONS' => ($user->data['user_perm_from'] && $auth->acl_get('a_switchperm')) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=restore_perm') : '',
- 'U_FEED' => generate_board_url() . "/feed.$phpEx",
- 'S_USER_LOGGED_IN' => ($user->data['user_id'] != ANONYMOUS) ? true : false,
- 'S_AUTOLOGIN_ENABLED' => ($config['allow_autologin']) ? true : false,
- 'S_BOARD_DISABLED' => ($config['board_disable']) ? true : false,
- 'S_REGISTERED_USER' => (!empty($user->data['is_registered'])) ? true : false,
- 'S_IS_BOT' => (!empty($user->data['is_bot'])) ? true : false,
- 'S_USER_PM_POPUP' => $user->optionget('popuppm'),
- 'S_USER_LANG' => $user_lang,
- 'S_USER_BROWSER' => (isset($user->data['session_browser'])) ? $user->data['session_browser'] : $user->lang['UNKNOWN_BROWSER'],
- 'S_USERNAME' => $user->data['username'],
- 'S_CONTENT_DIRECTION' => $user->lang['DIRECTION'],
- 'S_CONTENT_FLOW_BEGIN' => ($user->lang['DIRECTION'] == 'ltr') ? 'left' : 'right',
- 'S_CONTENT_FLOW_END' => ($user->lang['DIRECTION'] == 'ltr') ? 'right' : 'left',
- 'S_CONTENT_ENCODING' => 'UTF-8',
- 'S_TIMEZONE' => (AUTOMATIC_DST_ISDST) ? sprintf($user->lang['AUTOMATIC_DST_DISPLAY'], strtr(AUTOMATIC_DST_TIMEZONE, $user->lang['automatic_dst_timezones']), $user->lang['tz']['dst']) : sprintf($user->lang['AUTOMATIC_DST_DISPLAY'], strtr(AUTOMATIC_DST_TIMEZONE, $user->lang['automatic_dst_timezones']), ''),
- 'S_DISPLAY_ONLINE_LIST' => ($l_online_time) ? 1 : 0,
- 'S_DISPLAY_SEARCH' => (!$config['load_search']) ? 0 : (isset($auth) ? ($auth->acl_get('u_search') && $auth->acl_getf_global('f_search')) : 1),
- 'S_DISPLAY_PM' => ($config['allow_privmsg'] && !empty($user->data['is_registered']) && ($auth->acl_get('u_readpm') || $auth->acl_get('u_sendpm'))) ? true : false,
- 'S_DISPLAY_MEMBERLIST' => (isset($auth)) ? $auth->acl_get('u_viewprofile') : 0,
- 'S_NEW_PM' => ($s_privmsg_new) ? 1 : 0,
- 'S_REGISTER_ENABLED' => ($config['require_activation'] != USER_ACTIVATION_DISABLE) ? true : false,
- 'S_FORUM_ID' => $forum_id,
- 'S_TOPIC_ID' => $topic_id,
- 'S_LOGIN_ACTION' => ((!defined('ADMIN_START')) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=login') : append_sid("index.$phpEx", false, true, $user->session_id)),
- 'S_LOGIN_REDIRECT' => build_hidden_fields(array('redirect' => build_url())),
- 'S_ENABLE_FEEDS' => ($config['feed_enable']) ? true : false,
- 'S_ENABLE_FEEDS_OVERALL' => ($config['feed_overall']) ? true : false,
- 'S_ENABLE_FEEDS_FORUMS' => ($config['feed_overall_forums']) ? true : false,
- 'S_ENABLE_FEEDS_TOPICS' => ($config['feed_topics_new']) ? true : false,
- 'S_ENABLE_FEEDS_TOPICS_ACTIVE' => ($config['feed_topics_active']) ? true : false,
- 'S_ENABLE_FEEDS_NEWS' => ($s_feed_news) ? true : false,
- 'S_LOAD_UNREADS' => ($config['load_unreads_search'] && ($config['load_anon_lastread'] || $user->data['is_registered'])) ? true : false,
- 'S_SEARCH_HIDDEN_FIELDS' => build_hidden_fields($s_search_hidden_fields),
- 'T_THEME_PATH' => "{$web_path}styles/" . $user->theme['theme_path'] . '/theme',
- 'T_TEMPLATE_PATH' => "{$web_path}styles/" . $user->theme['template_path'] . '/template',
- 'T_SUPER_TEMPLATE_PATH' => (isset($user->theme['template_inherit_path']) && $user->theme['template_inherit_path']) ? "{$web_path}styles/" . $user->theme['template_inherit_path'] . '/template' : "{$web_path}styles/" . $user->theme['template_path'] . '/template',
- 'T_IMAGESET_PATH' => "{$web_path}styles/" . $user->theme['imageset_path'] . '/imageset',
- 'T_IMAGESET_LANG_PATH' => "{$web_path}styles/" . $user->theme['imageset_path'] . '/imageset/' . $user->lang_name,
- 'T_IMAGES_PATH' => "{$web_path}images/",
- 'T_SMILIES_PATH' => "{$web_path}{$config['smilies_path']}/",
- 'T_AVATAR_PATH' => "{$web_path}{$config['avatar_path']}/",
- 'T_AVATAR_GALLERY_PATH' => "{$web_path}{$config['avatar_gallery_path']}/",
- 'T_ICONS_PATH' => "{$web_path}{$config['icons_path']}/",
- 'T_RANKS_PATH' => "{$web_path}{$config['ranks_path']}/",
- 'T_UPLOAD_PATH' => "{$web_path}{$config['upload_path']}/",
- 'T_STYLESHEET_LINK' => (!$user->theme['theme_storedb']) ? "{$web_path}styles/" . $user->theme['theme_path'] . '/theme/stylesheet.css' : append_sid("{$phpbb_root_path}style.$phpEx", 'id=' . $user->theme['style_id'] . '&lang=' . $user->lang_name),
- 'T_STYLESHEET_NAME' => $user->theme['theme_name'],
- 'T_THEME_NAME' => $user->theme['theme_path'],
- 'T_TEMPLATE_NAME' => $user->theme['template_path'],
- 'T_SUPER_TEMPLATE_NAME' => (isset($user->theme['template_inherit_path']) && $user->theme['template_inherit_path']) ? $user->theme['template_inherit_path'] : $user->theme['template_path'],
- 'T_IMAGESET_NAME' => $user->theme['imageset_path'],
- 'T_IMAGESET_LANG_NAME' => $user->data['user_lang'],
- 'T_IMAGES' => 'images',
- 'T_SMILIES' => $config['smilies_path'],
- 'T_AVATAR' => $config['avatar_path'],
- 'T_AVATAR_GALLERY' => $config['avatar_gallery_path'],
- 'T_ICONS' => $config['icons_path'],
- 'T_RANKS' => $config['ranks_path'],
- 'T_UPLOAD' => $config['upload_path'],
- 'SITE_LOGO_IMG' => $user->img('site_logo'),
- 'A_COOKIE_SETTINGS' => addslashes('; path=' . $config['cookie_path'] . ((!$config['cookie_domain'] || $config['cookie_domain'] == 'localhost' || $config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . $config['cookie_domain']) . ((!$config['cookie_secure']) ? '' : '; secure')),
- ));
- // application/xhtml+xml not used because of IE
- header('Content-type: text/html; charset=UTF-8');
- header('Cache-Control: private, no-cache="set-cookie"');
- header('Expires: 0');
- header('Pragma: no-cache');
- return;
- }
- /**
- * Generate page footer
- */
- function page_footer($run_cron = true)
- {
- global $db, $config, $template, $user, $auth, $cache, $starttime, $phpbb_root_path, $phpEx;
- // www.phpBB-SEO.com SEO TOOLKIT BEGIN
- global $phpbb_seo;
- if (!empty($phpbb_seo)) {
- $phpbb_seo->seo_end();
- }
- // www.phpBB-SEO.com SEO TOOLKIT END
- // Output page creation time
- if (defined('DEBUG'))
- {
- $mtime = explode(' ', microtime());
- $totaltime = $mtime[0] + $mtime[1] - $starttime;
- if (!empty($_REQUEST['explain']) && $auth->acl_get('a_') && defined('DEBUG_EXTRA') && method_exists($db, 'sql_report'))
- {
- $db->sql_report('display');
- }
- $debug_output = sprintf('Time : %.3fs | ' . $db->sql_num_queries() . ' Queries | GZIP : ' . (($config['gzip_compress'] && @extension_loaded('zlib')) ? 'On' : 'Off') . (($user->load) ? ' | Load : ' . $user->load : ''), $totaltime);
- if ($auth->acl_get('a_') && defined('DEBUG_EXTRA'))
- {
- if (function_exists('memory_get_usage'))
- {
- if ($memory_usage = memory_get_usage())
- {
- global $base_memory_usage;
- $memory_usage -= $base_memory_usage;
- $memory_usage = get_formatted_filesize($memory_usage);
- $debug_output .= ' | Memory Usage: ' . $memory_usage;
- }
- }
- $debug_output .= ' | <a href="' . build_url() . '&explain=1">Explain</a>';
- }
- }
- $template->assign_vars(array(
- 'DEBUG_OUTPUT' => (defined('DEBUG')) ? $debug_output : '',
- 'TRANSLATION_INFO' => (!empty($user->lang['TRANSLATION_INFO'])) ? $user->lang['TRANSLATION_INFO'] : '',
- 'U_ACP' => ($auth->acl_get('a_') && !empty($user->data['is_registered'])) ? append_sid("{$phpbb_root_path}adm/index.$phpEx", false, true, $user->session_id) : '')
- );
- // Call cron-type script
- $call_cron = false;
- if (!defined('IN_CRON') && $run_cron && !$config['board_disable'] && !$user->data['is_bot'])
- {
- $call_cron = true;
- $time_now = (!empty($user->time_now) && is_int($user->time_now)) ? $user->time_now : time();
- // Any old lock present?
- if (!empty($config['cron_lock']))
- {
- $cron_time = explode(' ', $config['cron_lock']);
- // If 1 hour lock is present we do not call cron.php
- if ($cron_time[0] + 3600 >= $time_now)
- {
- $call_cron = false;
- }
- }
- }
- // Call cron job?
- if ($call_cron)
- {
- $cron_type = '';
- if ($time_now - $config['queue_interval'] > $config['last_queue_run'] && !defined('IN_ADMIN') && file_exists($phpbb_root_path . 'cache/queue.' . $phpEx))
- {
- // Process email queue
- $cron_type = 'queue';
- }
- else if (method_exists($cache, 'tidy') && $time_now - $config['cache_gc'] > $config['cache_last_gc'])
- {
- // Tidy the cache
- $cron_type = 'tidy_cache';
- }
- else if ($config['warnings_expire_days'] && ($time_now - $config['warnings_gc'] > $config['warnings_last_gc']))
- {
- $cron_type = 'tidy_warnings';
- }
- else if ($time_now - $config['database_gc'] > $config['database_last_gc'])
- {
- // Tidy the database
- $cron_type = 'tidy_database';
- }
- else if ($time_now - $config['search_gc'] > $config['search_last_gc'])
- {
- // Tidy the search
- $cron_type = 'tidy_search';
- }
- else if ($time_now - $config['session_gc'] > $config['session_last_gc'])
- {
- $cron_type = 'tidy_sessions';
- }
- if ($cron_type)
- {
- $template->assign_var('RUN_CRON_TASK', '<img src="' . append_sid($phpbb_root_path . 'cron.' . $phpEx, 'cron_type=' . $cron_type) . '" width="1" height="1" alt="cron" />');
- }
- }
- $template->display('body');
- garbage_collection();
- exit_handler();
- }
- /**
- * Closing the cache object and the database
- * Cool function name, eh? We might want to add operations to it later
- */
- function garbage_collection()
- {
- global $cache, $db;
- // Unload cache, must be done before the DB connection if closed
- if (!empty($cache))
- {
- $cache->unload();
- }
- // Close our DB connection.
- if (!empty($db))
- {
- $db->sql_close();
- }
- }
- /**
- * Handler for exit calls in phpBB.
- * This function supports hooks.
- *
- * Note: This function is called after the template has been outputted.
- */
- function exit_handler()
- {
- global $phpbb_hook, $config;
- if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__))
- {
- if ($phpbb_hook->hook_return(__FUNCTION__))
- {
- return $phpbb_hook->hook_return_result(__FUNCTION__);
- }
- }
- // As a pre-caution... some setups display a blank page if the flush() is not there.
- (ob_get_level() > 0) ? @ob_flush() : @flush();
- exit;
- }
- /**
- * Handler for init calls in phpBB. This function is called in user::setup();
- * This function supports hooks.
- */
- function phpbb_user_session_handler()
- {
- global $phpbb_hook;
- if (!empty($phpbb_hook) && $phpbb_hook->call_hook(__FUNCTION__))
- {
- if ($phpbb_hook->hook_return(__FUNCTION__))
- {
- return $phpbb_hook->hook_return_result(__FUNCTION__);
- }
- }
- return;
- }
- function nice_print($input) {
- if (is_array($input) || is_object($input) ) {
- echo '<pre>' . var_export($input, true) . '</pre>';
- } else {
- echo '<pre>' . $input . '</pre>';
- }
- }
- ?>