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<?php
/**
* @version $Id: helper.php 14401 2010-01-26 14:10:00Z louis $
* @package Joomla.Framework
* @subpackage Application
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* Application helper functions
*
* @static
* @package Joomla.Framework
* @subpackage Application
* @since 1.5
*/
class JApplicationHelper
{
/**
* Gets information on a specific client id. This method will be useful in
* future versions when we start mapping applications in the database.
*
* @access public
* @param int $id A client identifier
* @param boolean $byName If True, find the client by it's name
* @return mixed Object describing the client or false if not known
* @since 1.5
*/
function &getClientInfo($id = null, $byName = false)
{
static $clients;
// Only create the array if it does not exist
if (!is_array($clients))
{
$obj = new stdClass();
// Site Client
$obj->id = 0;
$obj->name = 'site';
$obj->path = JPATH_SITE;
$clients[0] = clone($obj);
// Administrator Client
$obj->id = 1;
$obj->name = 'administrator';
$obj->path = JPATH_ADMINISTRATOR;
$clients[1] = clone($obj);
// Installation Client
$obj->id = 2;
$obj->name = 'installation';
$obj->path = JPATH_INSTALLATION;
$clients[2] = clone($obj);
// XMLRPC Client
$obj->id = 3;
$obj->name = 'xmlrpc';
$obj->path = JPATH_XMLRPC;
$clients[3] = clone($obj);
}
//If no client id has been passed return the whole array
if(is_null($id)) {
return $clients;
}
// Are we looking for client information by id or by name?
if (!$byName)
{
if (isset($clients[$id])){
return $clients[$id];
}
}
else
{
foreach ($clients as $client)
{
if ($client->name == strtolower($id)) {
return $client;
}
}
}
$null = null;
return $null;
}
/**
* Get a path
*
* @access public
* @param string $varname
* @param string $user_option
* @return string The requested path
* @since 1.0
*/
function getPath( $varname, $user_option=null )
{
// check needed for handling of custom/new module xml file loading
$check = ( ( $varname == 'mod0_xml' ) || ( $varname == 'mod1_xml' ) );
if ( !$user_option && !$check ) {
$user_option = JRequest::getCmd('option');
} else {
$user_option = JFilterInput::clean($user_option, 'path');
}
$result = null;
$name = substr( $user_option, 4 );
switch ($varname) {
case 'front':
$result = JApplicationHelper::_checkPath( DS.'components'.DS. $user_option .DS. $name .'.php', 0 );
break;
case 'html':
case 'front_html':
if ( !( $result = JApplicationHelper::_checkPath( DS.'templates'.DS. JApplication::getTemplate() .DS.'components'.DS. $name .'.html.php', 0 ) ) ) {
$result = JApplicationHelper::_checkPath( DS.'components'.DS. $user_option .DS. $name .'.html.php', 0 );
}
break;
case 'toolbar':
$result = JApplicationHelper::_checkPath( DS.'components'.DS. $user_option .DS.'toolbar.'. $name .'.php', -1 );
break;
case 'toolbar_html':
$result = JApplicationHelper::_checkPath( DS.'components'.DS. $user_option .DS.'toolbar.'. $name .'.html.php', -1 );
break;
case 'toolbar_default':
case 'toolbar_front':
$result = JApplicationHelper::_checkPath( DS.'includes'.DS.'HTML_toolbar.php', 0 );
break;
case 'admin':
$path = DS.'components'.DS. $user_option .DS.'admin.'. $name .'.php';
$result = JApplicationHelper::_checkPath( $path, -1 );
if ($result == null) {
$path = DS.'components'.DS. $user_option .DS. $name .'.php';
$result = JApplicationHelper::_checkPath( $path, -1 );
}
break;
case 'admin_html':
$path = DS.'components'.DS. $user_option .DS.'admin.'. $name .'.html.php';
$result = JApplicationHelper::_checkPath( $path, -1 );
break;
case 'admin_functions':
$path = DS.'components'.DS. $user_option .DS. $name .'.functions.php';
$result = JApplicationHelper::_checkPath( $path, -1 );
break;
case 'class':
if ( !( $result = JApplicationHelper::_checkPath( DS.'components'.DS. $user_option .DS. $name .'.class.php' ) ) ) {
$result = JApplicationHelper::_checkPath( DS.'includes'.DS. $name .'.php' );
}
break;
case 'helper':
$path = DS.'components'.DS. $user_option .DS. $name .'.helper.php';
$result = JApplicationHelper::_checkPath( $path );
break;
case 'com_xml':
$path = DS.'components'.DS. $user_option .DS. $name .'.xml';
$result = JApplicationHelper::_checkPath( $path, 1 );
break;
case 'mod0_xml':
$path = DS.'modules'.DS. $user_option .DS. $user_option. '.xml';
$result = JApplicationHelper::_checkPath( $path );
break;
case 'mod1_xml':
// admin modules
$path = DS.'modules'.DS. $user_option .DS. $user_option. '.xml';
$result = JApplicationHelper::_checkPath( $path, -1 );
break;
case 'bot_xml':
// legacy value
case 'plg_xml':
// Site plugins
$path = DS.'plugins'.DS. $user_option .'.xml';
$result = JApplicationHelper::_checkPath( $path, 0 );
break;
case 'menu_xml':
$path = DS.'components'.DS.'com_menus'.DS. $user_option .DS. $user_option .'.xml';
$result = JApplicationHelper::_checkPath( $path, -1 );
break;
}
return $result;
}
function parseXMLInstallFile($path)
{
// Read the file to see if it's a valid component XML file
$xml = & JFactory::getXMLParser('Simple');
if (!$xml->loadFile($path)) {
unset($xml);
return false;
}
/*
* Check for a valid XML root tag.
*
* Should be 'install', but for backward compatability we will accept 'mosinstall'.
*/
if ( !is_object($xml->document) || ($xml->document->name() != 'install' && $xml->document->name() != 'mosinstall')) {
unset($xml);
return false;
}
$data = array();
$data['legacy'] = $xml->document->name() == 'mosinstall';
$element = & $xml->document->name[0];
$data['name'] = $element ? $element->data() : '';
$data['type'] = $element ? $xml->document->attributes("type") : '';
$element = & $xml->document->creationDate[0];
$data['creationdate'] = $element ? $element->data() : JText::_('Unknown');
$element = & $xml->document->author[0];
$data['author'] = $element ? $element->data() : JText::_('Unknown');
$element = & $xml->document->copyright[0];
$data['copyright'] = $element ? $element->data() : '';
$element = & $xml->document->authorEmail[0];
$data['authorEmail'] = $element ? $element->data() : '';
$element = & $xml->document->authorUrl[0];
$data['authorUrl'] = $element ? $element->data() : '';
$element = & $xml->document->version[0];
$data['version'] = $element ? $element->data() : '';
$element = & $xml->document->description[0];
$data['description'] = $element ? $element->data() : '';
$element = & $xml->document->group[0];
$data['group'] = $element ? $element->data() : '';
return $data;
}
function parseXMLLangMetaFile($path)
{
// Read the file to see if it's a valid component XML file
$xml = & JFactory::getXMLParser('Simple');
if (!$xml->loadFile($path)) {
unset($xml);
return false;
}
/*
* Check for a valid XML root tag.
*
* Should be 'langMetaData'.
*/
if ($xml->document->name() != 'metafile') {
unset($xml);
return false;
}
$data = array();
$element = & $xml->document->name[0];
$data['name'] = $element ? $element->data() : '';
$data['type'] = $element ? $xml->document->attributes("type") : '';
$element = & $xml->document->creationDate[0];
$data['creationdate'] = $element ? $element->data() : JText::_('Unknown');
$element = & $xml->document->author[0];
$data['author'] = $element ? $element->data() : JText::_('Unknown');
$element = & $xml->document->copyright[0];
$data['copyright'] = $element ? $element->data() : '';
$element = & $xml->document->authorEmail[0];
$data['authorEmail'] = $element ? $element->data() : '';
$element = & $xml->document->authorUrl[0];
$data['authorUrl'] = $element ? $element->data() : '';
$element = & $xml->document->version[0];
$data['version'] = $element ? $element->data() : '';
$element = & $xml->document->description[0];
$data['description'] = $element ? $element->data() : '';
$element = & $xml->document->group[0];
$data['group'] = $element ? $element->group() : '';
return $data;
}
/**
* Tries to find a file in the administrator or site areas
*
* @access private
* @param string $parth A file name
* @param integer $checkAdmin 0 to check site only, 1 to check site and admin, -1 to check admin only
* @since 1.5
*/
function _checkPath( $path, $checkAdmin=1 )
{
$file = JPATH_SITE . $path;
if ($checkAdmin > -1 && file_exists( $file )) {
return $file;
} else if ($checkAdmin != 0) {
$file = JPATH_ADMINISTRATOR . $path;
if (file_exists( $file )) {
return $file;
}
}
return null;
}
}
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