drupal-civicrm/sites/all/modules/civicrm/CRM/Extension/System.php

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2018-01-14 15:10:16 +02:00
<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
/**
* This class glues together the various parts of the extension
* system.
*
* @package CRM
* @copyright CiviCRM LLC (c) 2004-2017
*/
class CRM_Extension_System {
private static $singleton;
private $cache = NULL;
private $fullContainer = NULL;
private $defaultContainer = NULL;
private $mapper = NULL;
private $manager = NULL;
private $browser = NULL;
private $downloader = NULL;
/**
* @var CRM_Extension_ClassLoader
* */
private $classLoader;
/**
* The URL of the remote extensions repository.
*
* @var string|FALSE
*/
private $_repoUrl = NULL;
/**
* @var array
* Construction parameters. These are primarily retained so
* that they can influence the cache name.
*/
protected $parameters;
/**
* @param bool $fresh
* TRUE to force creation of a new system.
*
* @return CRM_Extension_System
*/
public static function singleton($fresh = FALSE) {
if (!self::$singleton || $fresh) {
if (self::$singleton) {
self::$singleton = new CRM_Extension_System(self::$singleton->parameters);
}
else {
self::$singleton = new CRM_Extension_System();
}
}
return self::$singleton;
}
/**
* @param CRM_Extension_System $singleton
* The new, singleton extension system.
*/
public static function setSingleton(CRM_Extension_System $singleton) {
self::$singleton = $singleton;
}
/**
* @param array $parameters
* List of configuration values required by the extension system.
* Missing values will be guessed based on $config.
*/
public function __construct($parameters = array()) {
$config = CRM_Core_Config::singleton();
$parameters['extensionsDir'] = CRM_Utils_Array::value('extensionsDir', $parameters, $config->extensionsDir);
$parameters['extensionsURL'] = CRM_Utils_Array::value('extensionsURL', $parameters, $config->extensionsURL);
$parameters['resourceBase'] = CRM_Utils_Array::value('resourceBase', $parameters, $config->resourceBase);
$parameters['uploadDir'] = CRM_Utils_Array::value('uploadDir', $parameters, $config->uploadDir);
$parameters['userFrameworkBaseURL'] = CRM_Utils_Array::value('userFrameworkBaseURL', $parameters, $config->userFrameworkBaseURL);
if (!array_key_exists('civicrm_root', $parameters)) {
$parameters['civicrm_root'] = $GLOBALS['civicrm_root'];
}
if (!array_key_exists('cmsRootPath', $parameters)) {
$parameters['cmsRootPath'] = $config->userSystem->cmsRootPath();
}
if (!array_key_exists('domain_id', $parameters)) {
$parameters['domain_id'] = CRM_Core_Config::domainID();
}
ksort($parameters); // guaranteed ordering - useful for md5(serialize($parameters))
$this->parameters = $parameters;
}
/**
* Get a container which represents all available extensions.
*
* @return CRM_Extension_Container_Interface
*/
public function getFullContainer() {
if ($this->fullContainer === NULL) {
$containers = array();
if ($this->getDefaultContainer()) {
$containers['default'] = $this->getDefaultContainer();
}
$containers['civiroot'] = new CRM_Extension_Container_Basic(
$this->parameters['civicrm_root'],
$this->parameters['resourceBase'],
$this->getCache(),
'civiroot'
);
// TODO: CRM_Extension_Container_Basic( /sites/all/modules )
// TODO: CRM_Extension_Container_Basic( /sites/$domain/modules
// TODO: CRM_Extension_Container_Basic( /modules )
// TODO: CRM_Extension_Container_Basic( /vendors )
// At time of writing, D6, D7, and WP support cmsRootPath() but J does not
if (NULL !== $this->parameters['cmsRootPath']) {
$vendorPath = $this->parameters['cmsRootPath'] . DIRECTORY_SEPARATOR . 'vendor';
if (is_dir($vendorPath)) {
$containers['cmsvendor'] = new CRM_Extension_Container_Basic(
$vendorPath,
CRM_Utils_File::addTrailingSlash($this->parameters['userFrameworkBaseURL'], '/') . 'vendor',
$this->getCache(),
'cmsvendor'
);
}
}
$this->fullContainer = new CRM_Extension_Container_Collection($containers, $this->getCache(), 'full');
}
return $this->fullContainer;
}
/**
* Get the container to which new extensions are installed.
*
* This container should be a particular, writeable directory.
*
* @return CRM_Extension_Container_Default|FALSE (false if not configured)
*/
public function getDefaultContainer() {
if ($this->defaultContainer === NULL) {
if ($this->parameters['extensionsDir']) {
$this->defaultContainer = new CRM_Extension_Container_Default($this->parameters['extensionsDir'], $this->parameters['extensionsURL'], $this->getCache(), 'default');
}
else {
$this->defaultContainer = FALSE;
}
}
return $this->defaultContainer;
}
/**
* Get the service which provides runtime information about extensions.
*
* @return CRM_Extension_Mapper
*/
public function getMapper() {
if ($this->mapper === NULL) {
$this->mapper = new CRM_Extension_Mapper($this->getFullContainer(), $this->getCache(), 'mapper');
}
return $this->mapper;
}
/**
* @return \CRM_Extension_ClassLoader
*/
public function getClassLoader() {
if ($this->classLoader === NULL) {
$this->classLoader = new CRM_Extension_ClassLoader($this->getMapper(), $this->getFullContainer(), $this->getManager());
}
return $this->classLoader;
}
/**
* Get the service for enabling and disabling extensions.
*
* @return CRM_Extension_Manager
*/
public function getManager() {
if ($this->manager === NULL) {
$typeManagers = array(
'payment' => new CRM_Extension_Manager_Payment($this->getMapper()),
'report' => new CRM_Extension_Manager_Report(),
'search' => new CRM_Extension_Manager_Search(),
'module' => new CRM_Extension_Manager_Module($this->getMapper()),
);
$this->manager = new CRM_Extension_Manager($this->getFullContainer(), $this->getDefaultContainer(), $this->getMapper(), $typeManagers);
}
return $this->manager;
}
/**
* Get the service for finding remotely-available extensions
*
* @return CRM_Extension_Browser
*/
public function getBrowser() {
if ($this->browser === NULL) {
$cacheDir = NULL;
if (!empty($this->parameters['uploadDir'])) {
$cacheDir = CRM_Utils_File::addTrailingSlash($this->parameters['uploadDir']) . 'cache';
}
$this->browser = new CRM_Extension_Browser($this->getRepositoryUrl(), '', $cacheDir);
}
return $this->browser;
}
/**
* Get the service for loading code from remotely-available extensions
*
* @return CRM_Extension_Downloader
*/
public function getDownloader() {
if ($this->downloader === NULL) {
$basedir = ($this->getDefaultContainer() ? $this->getDefaultContainer()->getBaseDir() : NULL);
$this->downloader = new CRM_Extension_Downloader(
$this->getManager(),
$basedir,
CRM_Utils_File::tempdir() // WAS: $config->extensionsDir . DIRECTORY_SEPARATOR . 'tmp';
);
}
return $this->downloader;
}
/**
* @return CRM_Utils_Cache_Interface
*/
public function getCache() {
if ($this->cache === NULL) {
$cacheGroup = md5(serialize(array('ext', $this->parameters)));
// Extension system starts before container. Manage our own cache.
$this->cache = CRM_Utils_Cache::create(array(
'name' => $cacheGroup,
'type' => array('*memory*', 'SqlGroup', 'ArrayCache'),
'prefetch' => TRUE,
));
}
return $this->cache;
}
/**
* Determine the URL which provides a feed of available extensions.
*
* @return string|FALSE
*/
public function getRepositoryUrl() {
if (empty($this->_repoUrl) && $this->_repoUrl !== FALSE) {
$url = Civi::settings()->get('ext_repo_url');
// boolean false means don't try to check extensions
// CRM-10575
if ($url === FALSE) {
$this->_repoUrl = FALSE;
}
else {
$this->_repoUrl = CRM_Utils_System::evalUrl($url);
}
}
return $this->_repoUrl;
}
/**
* Take an extension's raw XML info and add information about the
* extension's status on the local system.
*
* The result format resembles the old CRM_Core_Extensions_Extension.
*
* @param CRM_Extension_Info $obj
*
* @return array
*/
public static function createExtendedInfo(CRM_Extension_Info $obj) {
$mapper = CRM_Extension_System::singleton()->getMapper();
$manager = CRM_Extension_System::singleton()->getManager();
$extensionRow = (array) $obj;
try {
$extensionRow['path'] = $mapper->keyToBasePath($obj->key);
}
catch (CRM_Extension_Exception $e) {
$extensionRow['path'] = '';
}
$extensionRow['status'] = $manager->getStatus($obj->key);
switch ($extensionRow['status']) {
case CRM_Extension_Manager::STATUS_UNINSTALLED:
$extensionRow['statusLabel'] = ''; // ts('Uninstalled');
break;
case CRM_Extension_Manager::STATUS_DISABLED:
$extensionRow['statusLabel'] = ts('Disabled');
break;
case CRM_Extension_Manager::STATUS_INSTALLED:
$extensionRow['statusLabel'] = ts('Enabled'); // ts('Installed');
break;
case CRM_Extension_Manager::STATUS_DISABLED_MISSING:
$extensionRow['statusLabel'] = ts('Disabled (Missing)');
break;
case CRM_Extension_Manager::STATUS_INSTALLED_MISSING:
$extensionRow['statusLabel'] = ts('Enabled (Missing)'); // ts('Installed');
break;
default:
$extensionRow['statusLabel'] = '(' . $extensionRow['status'] . ')';
}
return $extensionRow;
}
}