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rcube_config.php
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rcube_config.php
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<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_config.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2008, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Class to read configuration settings |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id: $
*/
/**
* Configuration class for RoundCube
*
* @package Core
*/
class rcube_config
{
private $prop = array();
private $errors = array();
/**
* Object constructor
*/
public function __construct()
{
$this->load();
}
/**
* Load config from local config file
*
* @todo Remove global $CONFIG
*/
private function load()
{
// start output buffering, we don't need any output yet,
// it'll be cleared after reading of config files, etc.
ob_start();
// load main config file
if (include(RCMAIL_CONFIG_DIR . '/main.inc.php'))
$this->prop = (array)$rcmail_config;
else
$this->errors[] = 'main.inc.php was not found.';
// load database config
if (include(RCMAIL_CONFIG_DIR . '/db.inc.php'))
$this->prop += (array)$rcmail_config;
else
$this->errors[] = 'db.inc.php was not found.';
// load host-specific configuration
$this->load_host_config();
// set skin (with fallback to old 'skin_path' property)
if (empty($this->prop['skin']) && !empty($this->prop['skin_path']))
$this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
else if (empty($this->prop['skin']))
$this->prop['skin'] = 'default';
// fix paths
$this->prop['log_dir'] = $this->prop['log_dir'] ? unslashify($this->prop['log_dir']) : INSTALL_PATH . 'logs';
$this->prop['temp_dir'] = $this->prop['temp_dir'] ? unslashify($this->prop['temp_dir']) : INSTALL_PATH . 'temp';
// handle aliases
if (isset($this->prop['locale_string']) && empty($this->prop['language']))
$this->prop['language'] = $this->prop['locale_string'];
// set PHP error logging according to config
if ($this->prop['debug_level'] & 1) {
ini_set('log_errors', 1);
if ($this->prop['log_driver'] == 'syslog') {
ini_set('error_log', 'syslog');
} else {
ini_set('error_log', $this->prop['log_dir'].'/errors');
}
}
if ($this->prop['debug_level'] & 4) {
ini_set('display_errors', 1);
}
else {
ini_set('display_errors', 0);
}
// clear output buffer
ob_end_clean();
// export config data
$GLOBALS['CONFIG'] = &$this->prop;
}
/**
* Load a host-specific config file if configured
* This will merge the host specific configuration with the given one
*/
private function load_host_config()
{
$fname = null;
if (is_array($this->prop['include_host_config'])) {
$fname = $this->prop['include_host_config'][$_SERVER['HTTP_HOST']];
}
else if (!empty($this->prop['include_host_config'])) {
$fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
}
if ($fname && is_file(RCMAIL_CONFIG_DIR . '/' . $fname)) {
include(RCMAIL_CONFIG_DIR . '/' . $fname);
$this->prop = array_merge($this->prop, (array)$rcmail_config);
}
}
/**
* Getter for a specific config parameter
*
* @param string Parameter name
* @param mixed Default value if not set
* @return mixed The requested config value
*/
public function get($name, $def = null)
{
return isset($this->prop[$name]) ? $this->prop[$name] : $def;
}
/**
* Setter for a config parameter
*
* @param string Parameter name
* @param mixed Parameter value
*/
public function set($name, $value)
{
$this->prop[$name] = $value;
}
/**
* Override config options with the given values (eg. user prefs)
*
* @param array Hash array with config props to merge over
*/
public function merge($prefs)
{
$this->prop = array_merge($this->prop, $prefs);
}
/**
* Getter for all config options
*
* @return array Hash array containg all config properties
*/
public function all()
{
return $this->prop;
}
/**
* Return a 24 byte key for the DES encryption
*
* @return string DES encryption key
*/
public function get_des_key()
{
$key = !empty($this->prop['des_key']) ? $this->prop['des_key'] : 'rcmail?24BitPwDkeyF**ECB';
$len = strlen($key);
// make sure the key is exactly 24 chars long
if ($len<24)
$key .= str_repeat('_', 24-$len);
else if ($len>24)
substr($key, 0, 24);
return $key;
}
/**
* Try to autodetect operating system and find the correct line endings
*
* @return string The appropriate mail header delimiter
*/
public function header_delimiter()
{
// use the configured delimiter for headers
if (!empty($this->prop['mail_header_delimiter']))
return $this->prop['mail_header_delimiter'];
else if (strtolower(substr(PHP_OS, 0, 3) == 'win'))
return "\r\n";
else if (strtolower(substr(PHP_OS, 0, 3) == 'mac'))
return "\r\n";
else
return "\n";
}
/**
* Return the mail domain configured for the given host
*
* @param string IMAP host
* @return string Resolved SMTP host
*/
public function mail_domain($host)
{
$domain = $host;
if (is_array($this->prop['mail_domain'])) {
if (isset($this->prop['mail_domain'][$host]))
$domain = $this->prop['mail_domain'][$host];
}
else if (!empty($this->prop['mail_domain']))
$domain = $this->prop['mail_domain'];
return $domain;
}
/**
* Getter for error state
*
* @return mixed Error message on error, False if no errors
*/
public function get_error()
{
return empty($this->errors) ? false : join("\n", $this->errors);
}
}

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