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<?php
/**
* @package akeebainstaller
* @copyright Copyright (C) 2009-2010 Nicholas K. Dionysopoulos. All rights reserved.
* @author Nicholas K. Dionysopoulos - http://www.dionysopoulos.me
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL v3 or later
*
* Akeeba Backup Installer configuration manipulation class
*/
defined('_ABI') or die('Direct access is not allowed');
class ABIConfiguration
{
var $_config;
/**
* Singleton implementation
* @return ABIConfiguration
*/
function &getInstance()
{
static $instance;
if(!is_object($instance))
{
$instance = new ABIConfiguration();
}
return $instance;
}
/**
* Constructor
* @return ABIConfiguration
*/
function ABIConfiguration()
{
// Try to fetch the configuration cached in the Storage
$storage =& ABIStorage::getInstance();
$this->_config = $storage->get('configuration', null);
if(!is_array($this->_config))
{
// There was no cached configuration; load and cache
$this->loadConfiguration();
$storage->set('configuration', $this->_config);
}
}
/**
* Gets a configuration value
* @param $key string The key (variable name)
* @param $default mixed The default value to return if the key doesn't exist
* @return mixed The variable's value
*/
function get($key, $default = null)
{
if(array_key_exists($key, $this->_config))
{
return $this->_config[$key];
}
else
{
// The key was not found. Set it with the default value, store and
// return the default value
$this->_config[$key] = $default;
$storage =& ABIStorage::getInstance();
$storage->set('configuration', $this->_config);
return $default;
}
}
/**
* Sets a variable's value and stores the configuration array in the global
* Storage.
* @param $key The variable name
* @param $value The value to set it to
*/
function set($key, $value)
{
$this->_config[$key] = $value;
$storage =& ABIStorage::getInstance();
$storage->set('configuration', $this->_config);
}
function loadConfiguration()
{
// Begin by assigning a default configuration
$conf1 = array(
'offline' => 0,
'offline_message' => 'This site is down for maintenance.<br /> Please check back again soon.',
'sitename' => 'Joomla!',
'editor' => 'tinymce',
'list_limit' => '20',
'legacy' => '0',
'dbtype' => 'mysql',
'host' => 'localhost',
'user' => 'jos_',
'password' => '',
'db' => '',
'dbprefix' => '',
'secret' => 'FBVtggIk5lAzEU9H',
'gzip' => '0',
'error_reporting' => '-1',
'helpurl' => 'http://help.joomla.org',
'xmlrpc_server' => '1',
'ftp_host' => '',
'ftp_port' => '',
'ftp_user' => '',
'ftp_pass' => '',
'ftp_root' => '',
'ftp_enable' => '',
'tmp_path' => '/tmp',
'log_path' => '/var/logs',
'offset' => '0',
'live_site' => '',
'force_ssl' => '0',
'lifetime' => '15',
'session_handler' => 'database',
'mailer' => 'mail',
'mailfrom' => '',
'fromname' => '',
'sendmail' => '/usr/sbin/sendmail',
'smtpauth' => '0',
'smtpuser' => '',
'smtppass' => '',
'smtphost' => 'localhost',
'caching' => '0',
'cachetime' => '15',
'cache_handler' => 'file',
'debug' => '0',
'debug_db' => '0',
'debug_lang' => '0',
'MetaDesc' => 'Joomla! - the dynamic portal engine and content management system',
'MetaKeys' => 'joomla, Joomla',
'MetaTitle' => '1',
'MetaAuthor' => '1',
'sef' => '0',
'sef_rewrite' => '0',
'sef_suffix' => '',
'feed_limit' => '10',
'feed_email' => 'author'
);
// Next up read the configuration.php from the site
if(file_exists(JPATH_SITE.DS.'configuration.php'))
{
$conf2 = $this->parseFile(JPATH_SITE.DS.'configuration.php');
}
else
{
$conf2 = array();
}
// We will merge both arrays by performing an itteration, overiding conf1's
// elements by thos of conf2.
if( is_array($conf2) && count($conf2) )
{
foreach($conf1 as $key => $value)
{
if(!array_key_exists($key, $conf2))
{
$conf2[$key] = $value;
}
}
}
// $conf2 now holds the merged data. Save them in the class variable.
$this->_config = $conf2;
}
/**
* Returns the contents of the new configuration.php file
* @return string
*/
function getConfiguration()
{
// Make sure the database info is up to date
$storage =& ABIStorage::getInstance();
$databases = $storage->get('databases');
$activeDatabase = 'joomla.sql';
$this->_config['dbtype'] = $databases[$activeDatabase]['dbtype'];
$this->_config['host'] = $databases[$activeDatabase]['dbhost'];
$this->_config['user'] = $databases[$activeDatabase]['dbuser'];
$this->_config['password'] = $databases[$activeDatabase]['dbpass'];
$this->_config['db'] = $databases[$activeDatabase]['dbname'];
$this->_config['dbprefix'] = $databases[$activeDatabase]['prefix'];
// Get the actual file contents
$out = "<?php\n";
$out .= "class JConfig {\n";
foreach($this->_config as $name => $value){
if(is_array($value))
{
$temp = '(';
foreach($value as $key => $data)
{
if(strlen($temp) > 1) $temp .= ', ';
$temp .= '\'$key\' => \'$data\'';
}
$temp .= ')';
$value = 'array '.$temp;
}
else
{
// Log and temp paths in Windows systems will be forward-slash encoded
if( (($name=='tmp_path') || ($name=='log_path')) )
{
$value = $this->TranslateWinPath($value);
}
$value = "'".addslashes($value)."'";
}
$out .= "\t" . 'var $' . $name . " = ". $value .";\n";
}
$out .= '}' . "\n";
return $out;
}
/**
* Makes a Windows path more UNIX-like, by turning backslashes to forward slashes.
* Since JP 2.0.b1 it takes into account UNC paths, e.g.
* \\myserver\some\folder becomes \\myserver/some/folder
*
* @param string $p_path The path to transform
* @return string
*/
function TranslateWinPath( $p_path )
{
static $is_windows;
if(empty($is_windows))
{
$is_windows = (DIRECTORY_SEPARATOR == '\\');
}
$is_unc = false;
if ($is_windows)
{
// Is this a UNC path?
$is_unc = (substr($p_path, 0, 2) == '//');
// Change potential windows directory separator
if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0, 1) == '\\')){
$p_path = strtr($p_path, '\\', '/');
}
}
// FIX 2.1.b2: Remove multiple slashes
$p_path = str_replace('///','/',$p_path);
$p_path = str_replace('//','/',$p_path);
// Fix UNC paths
if($is_unc)
{
$p_path = '/'.$p_path;
}
return $p_path;
}
function parseFile($file)
{
$ret = array();
include_once $file;
if(class_exists('JConfig'))
{
foreach(get_class_vars('JConfig') as $key => $value)
{
$ret[$key] = $value;
}
}
return $ret;
}
}