<?php
/**
* @package Joomla.Platform
* @subpackage Application
*
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Application helper functions
*
* @package Joomla.Platform
* @subpackage Application
* @since 11.1
*/
class JApplicationHelper
{
/**
* Client information array
*
* @var array
* @since 11.1
*/
protected static $_clients = null;
/**
* Return the name of the request component [main component]
*
* @param string $default The default option
*
* @return string Option (e.g. com_something)
*
* @since 11.1
*/
public static function getComponentName($default = null)
{
static $option;
if ($option)
{
return $option;
}
$option = strtolower(JRequest::getCmd('option'));
if (empty($option))
{
$option = $default;
}
JRequest::setVar('option', $option);
return $option;
}
/**
* Gets information on a specific client id. This method will be useful in
* future versions when we start mapping applications in the database.
*
* This method will return a client information array if called
* with no arguments which can be used to add custom application information.
*
* @param integer $id A client identifier
* @param boolean $byName If True, find the client by its name
*
* @return mixed Object describing the client or false if not known
*
* @since 11.1
*/
public static function getClientInfo($id = null, $byName = false)
{
// Only create the array if it does not exist
if (self::$_clients === null)
{
$obj = new stdClass;
// Site Client
$obj->id = 0;
$obj->name = 'site';
$obj->path = JPATH_SITE;
self::$_clients[0] = clone $obj;
// Administrator Client
$obj->id = 1;
$obj->name = 'administrator';
$obj->path = JPATH_ADMINISTRATOR;
self::$_clients[1] = clone $obj;
// Installation Client
$obj->id = 2;
$obj->name = 'installation';
$obj->path = JPATH_INSTALLATION;
self::$_clients[2] = clone $obj;
}
// If no client id has been passed return the whole array
if (is_null($id))
{
return self::$_clients;
}
// Are we looking for client information by id or by name?
if (!$byName)
{
if (isset(self::$_clients[$id]))
{
return self::$_clients[$id];
}
}
else
{
foreach (self::$_clients as $client)
{
if ($client->name == strtolower($id))
{
return $client;
}
}
}
return null;
}
/**
* Adds information for a client.
*
* @param mixed $client A client identifier either an array or object
*
* @return boolean True if the information is added. False on error
*
* @since 11.1
*/
public static function addClientInfo($client)
{
if (is_array($client))
{
$client = (object) $client;
}
if (!is_object($client))
{
return false;
}
$info = self::getClientInfo();
if (!isset($client->id))
{
$client->id = count($info);
}
self::$_clients[$client->id] = clone $client;
return true;
}
/**
* Get a path
*
* @param string $varname Identify location or type of xml
* @param string $user_option Option (e.g. com_something) used to find path.
*
* @return string The requested path
*
* @since 11.1
* @deprecated 12.1
*/
public static function getPath($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
{
$user_option = JFilterInput::getInstance()->clean($user_option, 'path');
}
$result = null;
$name = substr($user_option, 4);
switch ($varname)
{
case 'front':
$result = self::_checkPath('/components/' . $user_option . '/' . $name . '.php', 0);
break;
case 'html':
case 'front_html':
if (!($result = self::_checkPath('/templates/' . JApplication::getTemplate() . '/components/' . $name . '.html.php', 0)))
{
$result = self::_checkPath('/components/' . $user_option . '/' . $name . '.html.php', 0);
}
break;
case 'toolbar':
$result = self::_checkPath('/components/' . $user_option . '/toolbar.' . $name . '.php', -1);
break;
case 'toolbar_html':
$result = self::_checkPath('/components/' . $user_option . '/toolbar.' . $name . '.html.php', -1);
break;
case 'toolbar_default':
case 'toolbar_front':
$result = self::_checkPath('/includes/HTML_toolbar.php', 0);
break;
case 'admin':
$path = '/components/' . $user_option . '/admin.' . $name . '.php';
$result = self::_checkPath($path, -1);
if ($result == null)
{
$path = '/components/' . $user_option . '/' . $name . '.php';
$result = self::_checkPath($path, -1);
}
break;
case 'admin_html':
$path = '/components/' . $user_option . '/admin.' . $name . '.html.php';
$result = self::_checkPath($path, -1);
break;
case 'admin_functions':
$path = '/components/' . $user_option . '/' . $name . '.functions.php';
$result = self::_checkPath($path, -1);
break;
case 'class':
if (!($result = self::_checkPath('/components/' . $user_option . '/' . $name . '.class.php')))
{
$result = self::_checkPath('/includes/' . $name . '.php');
}
break;
case 'helper':
$path = '/components/' . $user_option . '/' . $name . '.helper.php';
$result = self::_checkPath($path);
break;
case 'com_xml':
$path = '/components/' . $user_option . '/' . $name . '.xml';
$result = self::_checkPath($path, 1);
break;
case 'mod0_xml':
$path = '/modules/' . $user_option . '/' . $user_option . '.xml';
$result = self::_checkPath($path);
break;
case 'mod1_xml':
// Admin modules
$path = '/modules/' . $user_option . '/' . $user_option . '.xml';
$result = self::_checkPath($path, -1);
break;
case 'plg_xml':
// Site plugins
$j15path = '/plugins/' . $user_option . '.xml';
$parts = explode(DIRECTORY_SEPARATOR, $user_option);
$j16path = '/plugins/' . $user_option . '/' . $parts[1] . '.xml';
$j15 = self::_checkPath($j15path, 0);
$j16 = self::_checkPath($j16path, 0);
// Return 1.6 if working otherwise default to whatever 1.5 gives us
$result = $j16 ? $j16 : $j15;
break;
case 'menu_xml':
$path = '/components/com_menus/' . $user_option . '/' . $user_option . '.xml';
$result = self::_checkPath($path, -1);
break;
}
return $result;
}
/**
* Parse a XML install manifest file.
*
* XML Root tag should be 'install' except for languages which use meta file.
*
* @param string $path Full path to XML file.
*
* @return array XML metadata.
*
* @since 11.1
* @deprecated 13.3 Use JInstaller::parseXMLInstallFile instead.
* @note This method must remain as is to allow updates from 2.5.4 and earlier sites to work.
*/
public static function parseXMLInstallFile($path)
{
JLog::add('JApplicationHelper::parseXMLInstallFile is deprecated. Use JInstaller::parseXMLInstallFile instead.', JLog::WARNING, 'deprecated');
// Read the file to see if it's a valid component XML file
if (!$xml = JFactory::getXML($path))
{
return false;
}
// Check for a valid XML root tag.
// Should be 'install', but for backward compatibility we will accept 'extension'.
// Languages use 'metafile' instead
if ($xml->getName() != 'install' && $xml->getName() != 'extension' && $xml->getName() != 'metafile')
{
unset($xml);
return false;
}
$data = array();
$data['legacy'] = ($xml->getName() == 'mosinstall' || $xml->getName() == 'install');
$data['name'] = (string) $xml->name;
// Check if we're a language. If so use metafile.
$data['type'] = $xml->getName() == 'metafile' ? 'language' : (string) $xml->attributes()->type;
$data['creationDate'] = ((string) $xml->creationDate) ? (string) $xml->creationDate : JText::_('Unknown');
$data['author'] = ((string) $xml->author) ? (string) $xml->author : JText::_('Unknown');
$data['copyright'] = (string) $xml->copyright;
$data['authorEmail'] = (string) $xml->authorEmail;
$data['authorUrl'] = (string) $xml->authorUrl;
$data['version'] = (string) $xml->version;
$data['description'] = (string) $xml->description;
$data['group'] = (string) $xml->group;
return $data;
}
/**
* Parse a XML language meta file.
*
* XML Root tag for languages which is meta file.
*
* @param string $path Full path to XML file.
*
* @return array XML metadata.
*/
public static function parseXMLLangMetaFile($path)
{
// Read the file to see if it's a valid component XML file
$xml = JFactory::getXML($path);
if (!$xml)
{
return false;
}
/*
* Check for a valid XML root tag.
*
* Should be 'langMetaData'.
*/
if ($xml->getName() != 'metafile')
{
unset($xml);
return false;
}
$data = array();
$data['name'] = (string) $xml->name;
$data['type'] = $xml->attributes()->type;
$data['creationDate'] = ((string) $xml->creationDate) ? (string) $xml->creationDate : JText::_('JLIB_UNKNOWN');
$data['author'] = ((string) $xml->author) ? (string) $xml->author : JText::_('JLIB_UNKNOWN');
$data['copyright'] = (string) $xml->copyright;
$data['authorEmail'] = (string) $xml->authorEmail;
$data['authorUrl'] = (string) $xml->authorUrl;
$data['version'] = (string) $xml->version;
$data['description'] = (string) $xml->description;
$data['group'] = (string) $xml->group;
return $data;
}
/**
* Tries to find a file in the administrator or site areas
*
* @param string $path A file name
* @param integer $checkAdmin 0 to check site only, 1 to check site and admin, -1 to check admin only
*
* @return string File name or null
*
* @since 11.1
* @deprecated 12.1
*/
protected static function _checkPath($path, $checkAdmin = 1)
{
$file = JPATH_SITE . $path;
if ($checkAdmin > -1 && file_exists($file))
{
return $file;
}
elseif ($checkAdmin != 0)
{
$file = JPATH_ADMINISTRATOR . $path;
if (file_exists($file))
{
return $file;
}
}
return null;
}
}