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     $singletons = array(
 183       'resources' => 'CRM_Core_Resources',
 184       'httpClient' => 'CRM_Utils_HttpClient',
 185       'cache.default' => 'CRM_Utils_Cache',
 186       'i18n' => 'CRM_Core_I18n',
 187       // Maybe? 'config' => 'CRM_Core_Config',
 188       // Maybe? 'smarty' => 'CRM_Core_Smarty',
 189     );
 190     foreach ($singletons as $name => $class) {
 191       $container->setDefinition($name, new Definition(
 192         $class
 193       ))
 194         ->setFactoryClass($class)->setFactoryMethod('singleton');
 195     }
 196
 197     $container->setDefinition('civi_token_compat', new Definition(
 198       'Civi\Token\TokenCompatSubscriber',
 199       array()
 200     ))->addTag('kernel.event_subscriber');
 201
 202     \CRM_Utils_Hook::container($container);
 203
 204     return $container;
 205   }
 206
 207   /**
 208    * @return \Civi\Angular\Manager
 209    */
 210   public function createAngularManager() {
 211     return new \Civi\Angular\Manager(\CRM_Core_Resources::singleton());
 212   }
 213
 214   /**
 215    * @param ContainerInterface $container
 216    * @return \Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher
 217    */
 218   public function createEventDispatcher($container) {
 219     $dispatcher = new ContainerAwareEventDispatcher($container);
 220     $dispatcher->addListener('hook_civicrm_post::Activity', array('\Civi\CCase\Events', 'fireCaseChange'));
 221     $dispatcher->addListener('hook_civicrm_post::Case', array('\Civi\CCase\Events', 'fireCaseChange'));
 222     $dispatcher->addListener('hook_civicrm_caseChange', array('\Civi\CCase\Events', 'delegateToXmlListeners'));
 223     $dispatcher->addListener('hook_civicrm_caseChange', array('\Civi\CCase\SequenceListener', 'onCaseChange_static'));
 224     $dispatcher->addListener('DAO::post-insert', array('\CRM_Core_BAO_RecurringEntity', 'triggerInsert'));
 225     $dispatcher->addListener('DAO::post-update', array('\CRM_Core_BAO_RecurringEntity', 'triggerUpdate'));
 226     $dispatcher->addListener('DAO::post-delete', array('\CRM_Core_BAO_RecurringEntity', 'triggerDelete'));
 227     $dispatcher->addListener('hook_civicrm_unhandled_exception', array(
 228       'CRM_Core_LegacyErrorHandler',
 229       'handleException',
 230     ));
 231     return $dispatcher;
 232   }
 233
 234   /**
 235    * @return LockManager
 236    */
 237   public static function createLockManager() {
 238     // Ideally, downstream implementers could override any definitions in
 239     // the container. For now, we'll make-do with some define()s.
 240     $lm = new LockManager();
 241     $lm
 242       ->register('/^cache\./', defined('CIVICRM_CACHE_LOCK') ? CIVICRM_CACHE_LOCK : array('CRM_Core_Lock', 'createScopedLock'))
 243       ->register('/^data\./', defined('CIVICRM_DATA_LOCK') ? CIVICRM_DATA_LOCK : array('CRM_Core_Lock', 'createScopedLock'))
 244       ->register('/^worker\.mailing\.send\./', defined('CIVICRM_WORK_LOCK') ? CIVICRM_WORK_LOCK : array('CRM_Core_Lock', 'createCivimailLock'))
 245       ->register('/^worker\./', defined('CIVICRM_WORK_LOCK') ? CIVICRM_WORK_LOCK : array('CRM_Core_Lock', 'createScopedLock'));
 246
 247     // Registrations may use complex resolver expressions, but (as a micro-optimization)
 248     // the default factory is specified as an array.
 249
 250     return $lm;
 251   }
 252
 253   /**
 254    * @param \Symfony\Component\EventDispatcher\EventDispatcher $dispatcher
 255    * @param $magicFunctionProvider
 256    *
 257    * @return \Civi\API\Kernel
 258    */
 259   public function createApiKernel($dispatcher, $magicFunctionProvider) {
 260     $dispatcher->addSubscriber(new \Civi\API\Subscriber\ChainSubscriber());
 261     $dispatcher->addSubscriber(new \Civi\API\Subscriber\TransactionSubscriber());
 262     $dispatcher->addSubscriber(new \Civi\API\Subscriber\I18nSubscriber());
 263     $dispatcher->addSubscriber($magicFunctionProvider);
 264     $dispatcher->addSubscriber(new \Civi\API\Subscriber\PermissionCheck());
 265     $dispatcher->addSubscriber(new \Civi\API\Subscriber\APIv3SchemaAdapter());
 266     $dispatcher->addSubscriber(new \Civi\API\Subscriber\WrapperAdapter(array(
 267       \CRM_Utils_API_HTMLInputCoder::singleton(),
 268       \CRM_Utils_API_NullOutputCoder::singleton(),
 269       \CRM_Utils_API_ReloadOption::singleton(),
 270       \CRM_Utils_API_MatchOption::singleton(),
 271     )));
 272     $dispatcher->addSubscriber(new \Civi\API\Subscriber\XDebugSubscriber());
 273     $kernel = new \Civi\API\Kernel($dispatcher);
 274
 275     $reflectionProvider = new \Civi\API\Provider\ReflectionProvider($kernel);
 276     $dispatcher->addSubscriber($reflectionProvider);
 277
 278     $dispatcher->addSubscriber(new \Civi\API\Subscriber\DynamicFKAuthorization(
 279       $kernel,
 280       'Attachment',
 281       array('create', 'get', 'delete'),
 282       // Given a file ID, determine the entity+table it's attached to.
 283       'SELECT if(cf.id,1,0) as is_valid, cef.entity_table, cef.entity_id
 284          FROM civicrm_file cf
 285          LEFT JOIN civicrm_entity_file cef ON cf.id = cef.file_id
 286          WHERE cf.id = %1',
 287       // Get a list of custom fields (field_name,table_name,extends)
 288       'SELECT concat("custom_",fld.id) as field_name,
 289         grp.table_name as table_name,
 290         grp.extends as extends
 291        FROM civicrm_custom_field fld
 292        INNER JOIN civicrm_custom_group grp ON fld.custom_group_id = grp.id
 293        WHERE fld.data_type = "File"
 294       ',
 295       array('civicrm_activity', 'civicrm_mailing', 'civicrm_contact', 'civicrm_grant')
 296     ));
 297
 298     $kernel->setApiProviders(array(
 299       $reflectionProvider,
 300       $magicFunctionProvider,
 301     ));
 302
 303     return $kernel;
 304   }
 305
 306   /**
 307    * Get a list of boot services.
 308    *
 309    * These are services which must be setup *before* the container can operate.
 310    *
 311    * @param bool $loadFromDB
 312    * @throws \CRM_Core_Exception
 313    */
 314   public static function boot($loadFromDB) {
 315     $bootServices = array();
 316     \Civi::$statics[__CLASS__]['boot'] = &$bootServices;
 317
 318     $bootServices['runtime'] = array(
 319       'class' => 'CRM_Core_Config_Runtime',
 320       'obj' => ($runtime = new \CRM_Core_Config_Runtime()),
 321     );
 322     $runtime->initialize($loadFromDB);
 323
 324     if ($loadFromDB && $runtime->dsn) {
 325       \CRM_Core_DAO::init($runtime->dsn);
 326     }
 327
 328     $bootServices['paths'] = array(
 329       'class' => 'Civi\Core\Paths',
 330       'obj' => new \Civi\Core\Paths(),
 331     );
 332
 333     $class = $runtime->userFrameworkClass;
 334     $bootServices['userSystem'] = array(
 335       'class' => 'CRM_Utils_Cache_Interface',
 336       'obj' => ($userSystem = new $class()),
 337     );
 338     $userSystem->initialize();
 339
 340     $userPermissionClass = 'CRM_Core_Permission_' . $runtime->userFramework;
 341     $bootServices['userPermissionClass'] = array(
 342       // Ugh, silly name.
 343       'class' => 'CRM_Core_Permission_Base',
 344       'obj' => new $userPermissionClass(),
 345     );
 346
 347     $bootServices['cache.settings'] = array(
 348       'class' => 'CRM_Utils_Cache_Interface',
 349       'obj' => \CRM_Utils_Cache::create(array(
 350         'name' => 'settings',
 351         'type' => array('*memory*', 'SqlGroup', 'ArrayCache'),
 352       )),
 353     );
 354
 355     $bootServices['settings_manager'] = array(
 356       'class' => 'Civi\Core\SettingsManager',
 357       'obj' => new \Civi\Core\SettingsManager($bootServices['cache.settings']['obj']),
 358     );
 359
 360     $bootServices['lockManager'] = array(
 361       'class' => 'Civi\Core\Lock\LockManager',
 362       'obj' => self::createLockManager(),
 363     );
 364
 365     if ($loadFromDB && $runtime->dsn) {
 366       \CRM_Extension_System::singleton(TRUE);
 367
 368       $c = new self();
 369       \Civi::$statics[__CLASS__]['container'] = $c->loadContainer();
 370     }
 371   }
 372
 373   public static function getBootService($name) {
 374     return \Civi::$statics[__CLASS__]['boot'][$name]['obj'];
 375   }
 376
 377 }