Civi/Core/Container.php

   1 <?php
   2 namespace Civi\Core;
   3
   4 use Civi\Core\Lock\LockManager;
   5 use Doctrine\Common\Annotations\AnnotationReader;
   6 use Doctrine\Common\Annotations\AnnotationRegistry;
   7 use Doctrine\Common\Annotations\FileCacheReader;
   8 use Doctrine\Common\Cache\FilesystemCache;
   9 use Doctrine\ORM\EntityManager;
  10 use Doctrine\ORM\Mapping\Driver\AnnotationDriver;
  11 use Doctrine\ORM\Tools\Setup;
  12 use Symfony\Component\Config\ConfigCache;
  13 use Symfony\Component\DependencyInjection\ContainerBuilder;
  14 use Symfony\Component\DependencyInjection\ContainerInterface;
  15 use Symfony\Component\DependencyInjection\Definition;
  16 use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
  17 use Symfony\Component\DependencyInjection\Reference;
  18 use Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher;
  19 use Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
  20
  21 // TODO use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
  22
  23 /**
  24  * Class Container
  25  * @package Civi\Core
  26  */
  27 class Container {
  28
  29   const SELF = 'civi_container_factory';
  30
  31   /**
  32    * @param bool $reset
  33    *   Whether to forcibly rebuild the entire container.
  34    * @return \Symfony\Component\DependencyInjection\TaggedContainerInterface
  35    */
  36   public static function singleton($reset = FALSE) {
  37     if ($reset || !isset(\Civi::$statics[__CLASS__]['container'])) {
  38       self::boot(TRUE);
  39     }
  40     return \Civi::$statics[__CLASS__]['container'];
  41   }
  42
  43   /**
  44    * Find a cached container definition or construct a new one.
  45    *
  46    * There are many weird contexts in which Civi initializes (eg different
  47    * variations of multitenancy and different permutations of CMS/CRM bootstrap),
  48    * and hook_container may fire a bit differently in each context. To mitigate
  49    * risk of leaks between environments, we compute a unique envID
  50    * (md5(DB_NAME, HTTP_HOST, SCRIPT_FILENAME, etc)) and use separate caches for
  51    * each (eg "templates_c/CachedCiviContainer.$ENVID.php").
  52    *
  53    * Constants:
  54    *   - CIVICRM_CONTAINER_CACHE -- 'always' [default], 'never', 'auto'
  55    *   - CIVICRM_DSN
  56    *   - CIVICRM_DOMAIN_ID
  57    *   - CIVICRM_TEMPLATE_COMPILEDIR
  58    *
  59    * @return ContainerInterface
  60    */
  61   public function loadContainer() {
  62     // Note: The container's raison d'etre is to manage construction of other
  63     // services. Consequently, we assume a minimal service available -- the classloader
  64     // has been setup, and civicrm.settings.php is loaded, but nothing else works.
  65
  66     $cacheMode = defined('CIVICRM_CONTAINER_CACHE') ? CIVICRM_CONTAINER_CACHE : 'always';
  67
  68     // In pre-installation environments, don't bother with caching.
  69     if (!defined('CIVICRM_TEMPLATE_COMPILEDIR') || !defined('CIVICRM_DSN') || $cacheMode === 'never' || \CRM_Utils_System::isInUpgradeMode()) {
  70       return $this->createContainer();
  71     }
  72
  73     $envId = \CRM_Core_Config_Runtime::getId();
  74     $file = CIVICRM_TEMPLATE_COMPILEDIR . "/CachedCiviContainer.{$envId}.php";
  75     $containerConfigCache = new ConfigCache($file, $cacheMode === 'auto');
  76     if (!$containerConfigCache->isFresh()) {
  77       $containerBuilder = $this->createContainer();
  78       $containerBuilder->compile();
  79       $dumper = new PhpDumper($containerBuilder);
  80       $containerConfigCache->write(
  81         $dumper->dump(array('class' => 'CachedCiviContainer')),
  82         $containerBuilder->getResources()
  83       );
  84     }
  85
  86     require_once $file;
  87     $c = new \CachedCiviContainer();
  88     $c->set('service_container', $c);
  89     return $c;
  90   }
  91
  92   /**
  93    * Construct a new container.
  94    *
  95    * @var ContainerBuilder
  96    * @return \Symfony\Component\DependencyInjection\ContainerBuilder
  97    */
  98   public function createContainer() {
  99     $civicrm_base_path = dirname(dirname(__DIR__));
 100     $container = new ContainerBuilder();
 101     $container->addCompilerPass(new RegisterListenersPass('dispatcher'));
 102     $container->addObjectResource($this);
 103     $container->setParameter('civicrm_base_path', $civicrm_base_path);
 104     //$container->set(self::SELF, $this);
 105     $container->setDefinition(self::SELF, new Definition(
 106       'Civi\Core\Container',
 107       array()
 108     ));
 109
 110     // TODO Move configuration to an external file; define caching structure
 111     //    if (empty($configDirectories)) {
 112     //      throw new \Exception(__CLASS__ . ': Missing required properties (civicrmRoot, configDirectories)');
 113     //    }
 114     //    $locator = new FileLocator($configDirectories);
 115     //    $loaderResolver = new LoaderResolver(array(
 116     //      new YamlFileLoader($container, $locator)
 117     //    ));
 118     //    $delegatingLoader = new DelegatingLoader($loaderResolver);
 119     //    foreach (array('services.yml') as $file) {
 120     //      $yamlUserFiles = $locator->locate($file, NULL, FALSE);
 121     //      foreach ($yamlUserFiles as $file) {
 122     //        $delegatingLoader->load($file);
 123     //      }
 124     //    }
 125
 126     $container->setDefinition('angular', new Definition(
 127       'Civi\Angular\Manager',
 128       array()
 129     ))
 130       ->setFactoryService(self::SELF)->setFactoryMethod('createAngularManager');
 131
 132     $container->setDefinition('dispatcher', new Definition(
 133       'Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher',
 134       array(new Reference('service_container'))
 135     ))
 136       ->setFactoryService(self::SELF)->setFactoryMethod('createEventDispatcher');
 137
 138     $container->setDefinition('magic_function_provider', new Definition(
 139       'Civi\API\Provider\MagicFunctionProvider',
 140       array()
 141     ));
 142
 143     $container->setDefinition('civi_api_kernel', new Definition(
 144       'Civi\API\Kernel',
 145       array(new Reference('dispatcher'), new Reference('magic_function_provider'))
 146     ))
 147       ->setFactoryService(self::SELF)->setFactoryMethod('createApiKernel');
 148
 149     $container->setDefinition('cxn_reg_client', new Definition(
 150       'Civi\Cxn\Rpc\RegistrationClient',
 151       array()
 152     ))
 153       ->setFactoryClass('CRM_Cxn_BAO_Cxn')->setFactoryMethod('createRegistrationClient');
 154
 155     $container->setDefinition('psr_log', new Definition('CRM_Core_Error_Log', array()));
 156
 157     foreach (array('js_strings', 'community_messages') as $cacheName) {
 158       $container->setDefinition("cache.{$cacheName}", new Definition(
 159         'CRM_Utils_Cache_Interface',
 160         array(
 161           array(
 162             'name' => $cacheName,
 163             'type' => array('*memory*', 'SqlGroup', 'ArrayCache'),
 164           ),
 165         )
 166       ))->setFactoryClass('CRM_Utils_Cache')->setFactoryMethod('create');
 167     }
 168
 169     $container->setDefinition('pear_mail', new Definition('Mail'))
 170       ->setFactoryClass('CRM_Utils_Mail')->setFactoryMethod('createMailer');
 171
 172     if (empty(\Civi::$statics[__CLASS__]['boot'])) {
 173       throw new \RuntimeException("Cannot initialize container. Boot services are undefined.");
 174     }
 175     foreach (\Civi::$statics[__CLASS__]['boot'] as $bootService => $def) {
 176       $container->setDefinition($bootService, new Definition($def['class'], array($bootService)))
 177         ->setFactoryClass(__CLASS__)
 178         ->setFactoryMethod('getBootService');
 179     }
 180
 181     // Expose legacy singletons as services in the container.
 182     $singletons = array(
 183       'resources' => 'CRM_Core_Resources',
 184       'httpClient' => 'CRM_Utils_HttpClient',
 185       'cache.default' => 'CRM_Utils_Cache',
 186       // Maybe? 'config' => 'CRM_Core_Config',
 187       // Maybe? 'smarty' => 'CRM_Core_Smarty',
 188     );
 189     foreach ($singletons as $name => $class) {
 190       $container->setDefinition($name, new Definition(
 191         $class
 192       ))
 193         ->setFactoryClass($class)->setFactoryMethod('singleton');
 194     }
 195
 196     \CRM_Utils_Hook::container($container);
 197
 198     return $container;
 199   }
 200
 201   /**
 202    * @return \Civi\Angular\Manager
 203    */
 204   public function createAngularManager() {
 205     return new \Civi\Angular\Manager(\CRM_Core_Resources::singleton());
 206   }
 207
 208   /**
 209    * @param ContainerInterface $container
 210    * @return \Symfony\Component\EventDispatcher\EventDispatcher
 211    */
 212   public function createEventDispatcher($container) {
 213     $dispatcher = new ContainerAwareEventDispatcher($container);
 214     $dispatcher->addListener('hook_civicrm_post::Activity', array('\Civi\CCase\Events', 'fireCaseChange'));
 215     $dispatcher->addListener('hook_civicrm_post::Case', array('\Civi\CCase\Events', 'fireCaseChange'));
 216     $dispatcher->addListener('hook_civicrm_caseChange', array('\Civi\CCase\Events', 'delegateToXmlListeners'));
 217     $dispatcher->addListener('hook_civicrm_caseChange', array('\Civi\CCase\SequenceListener', 'onCaseChange_static'));
 218     $dispatcher->addListener('DAO::post-insert', array('\CRM_Core_BAO_RecurringEntity', 'triggerInsert'));
 219     $dispatcher->addListener('DAO::post-update', array('\CRM_Core_BAO_RecurringEntity', 'triggerUpdate'));
 220     $dispatcher->addListener('DAO::post-delete', array('\CRM_Core_BAO_RecurringEntity', 'triggerDelete'));
 221     $dispatcher->addListener('hook_civicrm_unhandled_exception', array(
 222       'CRM_Core_LegacyErrorHandler',
 223       'handleException',
 224     ));
 225     return $dispatcher;
 226   }
 227
 228   /**
 229    * @return LockManager
 230    */
 231   public static function createLockManager() {
 232     // Ideally, downstream implementers could override any definitions in
 233     // the container. For now, we'll make-do with some define()s.
 234     $lm = new LockManager();
 235     $lm
 236       ->register('/^cache\./', defined('CIVICRM_CACHE_LOCK') ? CIVICRM_CACHE_LOCK : array('CRM_Core_Lock', 'createScopedLock'))
 237       ->register('/^data\./', defined('CIVICRM_DATA_LOCK') ? CIVICRM_DATA_LOCK : array('CRM_Core_Lock', 'createScopedLock'))
 238       ->register('/^worker\.mailing\.send\./', defined('CIVICRM_WORK_LOCK') ? CIVICRM_WORK_LOCK : array('CRM_Core_Lock', 'createCivimailLock'))
 239       ->register('/^worker\./', defined('CIVICRM_WORK_LOCK') ? CIVICRM_WORK_LOCK : array('CRM_Core_Lock', 'createScopedLock'));
 240
 241     // Registrations may use complex resolver expressions, but (as a micro-optimization)
 242     // the default factory is specified as an array.
 243
 244     return $lm;
 245   }
 246
 247   /**
 248    * @param \Symfony\Component\EventDispatcher\EventDispatcher $dispatcher
 249    * @param $magicFunctionProvider
 250    *
 251    * @return \Civi\API\Kernel
 252    */
 253   public function createApiKernel($dispatcher, $magicFunctionProvider) {
 254     $dispatcher->addSubscriber(new \Civi\API\Subscriber\ChainSubscriber());
 255     $dispatcher->addSubscriber(new \Civi\API\Subscriber\TransactionSubscriber());
 256     $dispatcher->addSubscriber(new \Civi\API\Subscriber\I18nSubscriber());
 257     $dispatcher->addSubscriber($magicFunctionProvider);
 258     $dispatcher->addSubscriber(new \Civi\API\Subscriber\PermissionCheck());
 259     $dispatcher->addSubscriber(new \Civi\API\Subscriber\APIv3SchemaAdapter());
 260     $dispatcher->addSubscriber(new \Civi\API\Subscriber\WrapperAdapter(array(
 261       \CRM_Utils_API_HTMLInputCoder::singleton(),
 262       \CRM_Utils_API_NullOutputCoder::singleton(),
 263       \CRM_Utils_API_ReloadOption::singleton(),
 264       \CRM_Utils_API_MatchOption::singleton(),
 265     )));
 266     $dispatcher->addSubscriber(new \Civi\API\Subscriber\XDebugSubscriber());
 267     $kernel = new \Civi\API\Kernel($dispatcher);
 268
 269     $reflectionProvider = new \Civi\API\Provider\ReflectionProvider($kernel);
 270     $dispatcher->addSubscriber($reflectionProvider);
 271
 272     $dispatcher->addSubscriber(new \Civi\API\Subscriber\DynamicFKAuthorization(
 273       $kernel,
 274       'Attachment',
 275       array('create', 'get', 'delete'),
 276       // Given a file ID, determine the entity+table it's attached to.
 277       'SELECT if(cf.id,1,0) as is_valid, cef.entity_table, cef.entity_id
 278          FROM civicrm_file cf
 279          LEFT JOIN civicrm_entity_file cef ON cf.id = cef.file_id
 280          WHERE cf.id = %1',
 281       // Get a list of custom fields (field_name,table_name,extends)
 282       'SELECT concat("custom_",fld.id) as field_name,
 283         grp.table_name as table_name,
 284         grp.extends as extends
 285        FROM civicrm_custom_field fld
 286        INNER JOIN civicrm_custom_group grp ON fld.custom_group_id = grp.id
 287        WHERE fld.data_type = "File"
 288       ',
 289       array('civicrm_activity', 'civicrm_mailing', 'civicrm_contact', 'civicrm_grant')
 290     ));
 291
 292     $kernel->setApiProviders(array(
 293       $reflectionProvider,
 294       $magicFunctionProvider,
 295     ));
 296
 297     return $kernel;
 298   }
 299
 300   /**
 301    * Get a list of boot services.
 302    *
 303    * These are services which must be setup *before* the container can operate.
 304    *
 305    * @param bool $loadFromDB
 306    * @throws \CRM_Core_Exception
 307    */
 308   public static function boot($loadFromDB) {
 309     $bootServices = array();
 310     \Civi::$statics[__CLASS__]['boot'] = &$bootServices;
 311
 312     $bootServices['runtime'] = array(
 313       'class' => 'CRM_Core_Config_Runtime',
 314       'obj' => ($runtime = new \CRM_Core_Config_Runtime()),
 315     );
 316     $runtime->initialize($loadFromDB);
 317
 318     if ($loadFromDB && $runtime->dsn) {
 319       \CRM_Core_DAO::init($runtime->dsn);
 320     }
 321
 322     $bootServices['paths'] = array(
 323       'class' => 'Civi\Core\Paths',
 324       'obj' => new \Civi\Core\Paths(),
 325     );
 326
 327     $class = $runtime->userFrameworkClass;
 328     $bootServices['userSystem'] = array(
 329       'class' => 'CRM_Utils_Cache_Interface',
 330       'obj' => ($userSystem = new $class()),
 331     );
 332     $userSystem->initialize();
 333
 334     $userPermissionClass = 'CRM_Core_Permission_' . $runtime->userFramework;
 335     $bootServices['userPermissionClass'] = array(
 336       // Ugh, silly name.
 337       'class' => 'CRM_Core_Permission_Base',
 338       'obj' => new $userPermissionClass(),
 339     );
 340
 341     $bootServices['cache.settings'] = array(
 342       'class' => 'CRM_Utils_Cache_Interface',
 343       'obj' => \CRM_Utils_Cache::create(array(
 344         'name' => 'settings',
 345         'type' => array('*memory*', 'SqlGroup', 'ArrayCache'),
 346       )),
 347     );
 348
 349     $bootServices['settings_manager'] = array(
 350       'class' => 'Civi\Core\SettingsManager',
 351       'obj' => new \Civi\Core\SettingsManager($bootServices['cache.settings']['obj']),
 352     );
 353
 354     $bootServices['lockManager'] = array(
 355       'class' => 'Civi\Core\Lock\LockManager',
 356       'obj' => self::createLockManager(),
 357     );
 358
 359     if ($loadFromDB && $runtime->dsn) {
 360       \CRM_Extension_System::singleton(TRUE);
 361
 362       $c = new self();
 363       \Civi::$statics[__CLASS__]['container'] = $c->loadContainer();
 364     }
 365   }
 366
 367   public static function getBootService($name) {
 368     return \Civi::$statics[__CLASS__]['boot'][$name]['obj'];
 369   }
 370
 371 }