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- <?php
-
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
- namespace Symfony\Component\HttpKernel;
-
- use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator;
- use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper;
- use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
- use Symfony\Component\DependencyInjection\Compiler\PassConfig;
- use Symfony\Component\DependencyInjection\ContainerInterface;
- use Symfony\Component\DependencyInjection\ContainerBuilder;
- use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
- use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
- use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
- use Symfony\Component\DependencyInjection\Loader\IniFileLoader;
- use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
- use Symfony\Component\DependencyInjection\Loader\GlobFileLoader;
- use Symfony\Component\DependencyInjection\Loader\DirectoryLoader;
- use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
- use Symfony\Component\Filesystem\Filesystem;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\HttpFoundation\Response;
- use Symfony\Component\HttpKernel\Bundle\BundleInterface;
- use Symfony\Component\HttpKernel\Config\FileLocator;
- use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
- use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass;
- use Symfony\Component\Config\Loader\LoaderResolver;
- use Symfony\Component\Config\Loader\DelegatingLoader;
- use Symfony\Component\Config\ConfigCache;
-
- /**
- * The Kernel is the heart of the Symfony system.
- *
- * It manages an environment made of bundles.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
- abstract class Kernel implements KernelInterface, RebootableInterface, TerminableInterface
- {
- /**
- * @var BundleInterface[]
- */
- protected $bundles = array();
-
- protected $container;
- protected $rootDir;
- protected $environment;
- protected $debug;
- protected $booted = false;
- protected $name;
- protected $startTime;
-
- private $projectDir;
- private $warmupDir;
- private $requestStackSize = 0;
- private $resetServices = false;
-
- const VERSION = '4.1.0';
- const VERSION_ID = 40100;
- const MAJOR_VERSION = 4;
- const MINOR_VERSION = 1;
- const RELEASE_VERSION = 0;
- const EXTRA_VERSION = '';
-
- const END_OF_MAINTENANCE = '01/2019';
- const END_OF_LIFE = '07/2019';
-
- public function __construct(string $environment, bool $debug)
- {
- $this->environment = $environment;
- $this->debug = $debug;
- $this->rootDir = $this->getRootDir();
- $this->name = $this->getName();
- }
-
- public function __clone()
- {
- $this->booted = false;
- $this->container = null;
- $this->requestStackSize = 0;
- $this->resetServices = false;
- }
-
- /**
- * Boots the current kernel.
- */
- public function boot()
- {
- if (true === $this->booted) {
- if (!$this->requestStackSize && $this->resetServices) {
- if ($this->container->has('services_resetter')) {
- $this->container->get('services_resetter')->reset();
- }
- $this->resetServices = false;
- if ($this->debug) {
- $this->startTime = microtime(true);
- }
- }
-
- return;
- }
- if ($this->debug) {
- $this->startTime = microtime(true);
- }
- if ($this->debug && !isset($_ENV['SHELL_VERBOSITY']) && !isset($_SERVER['SHELL_VERBOSITY'])) {
- putenv('SHELL_VERBOSITY=3');
- $_ENV['SHELL_VERBOSITY'] = 3;
- $_SERVER['SHELL_VERBOSITY'] = 3;
- }
-
- // init bundles
- $this->initializeBundles();
-
- // init container
- $this->initializeContainer();
-
- foreach ($this->getBundles() as $bundle) {
- $bundle->setContainer($this->container);
- $bundle->boot();
- }
-
- $this->booted = true;
- }
-
- /**
- * {@inheritdoc}
- */
- public function reboot($warmupDir)
- {
- $this->shutdown();
- $this->warmupDir = $warmupDir;
- $this->boot();
- }
-
- /**
- * {@inheritdoc}
- */
- public function terminate(Request $request, Response $response)
- {
- if (false === $this->booted) {
- return;
- }
-
- if ($this->getHttpKernel() instanceof TerminableInterface) {
- $this->getHttpKernel()->terminate($request, $response);
- }
- }
-
- /**
- * {@inheritdoc}
- */
- public function shutdown()
- {
- if (false === $this->booted) {
- return;
- }
-
- $this->booted = false;
-
- foreach ($this->getBundles() as $bundle) {
- $bundle->shutdown();
- $bundle->setContainer(null);
- }
-
- $this->container = null;
- $this->requestStackSize = 0;
- $this->resetServices = false;
- }
-
- /**
- * {@inheritdoc}
- */
- public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
- {
- $this->boot();
- ++$this->requestStackSize;
- $this->resetServices = true;
-
- try {
- return $this->getHttpKernel()->handle($request, $type, $catch);
- } finally {
- --$this->requestStackSize;
- }
- }
-
- /**
- * Gets a HTTP kernel from the container.
- *
- * @return HttpKernel
- */
- protected function getHttpKernel()
- {
- return $this->container->get('http_kernel');
- }
-
- /**
- * {@inheritdoc}
- */
- public function getBundles()
- {
- return $this->bundles;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getBundle($name)
- {
- if (!isset($this->bundles[$name])) {
- throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the registerBundles() method of your %s.php file?', $name, get_class($this)));
- }
-
- return $this->bundles[$name];
- }
-
- /**
- * {@inheritdoc}
- *
- * @throws \RuntimeException if a custom resource is hidden by a resource in a derived bundle
- */
- public function locateResource($name, $dir = null, $first = true)
- {
- if ('@' !== $name[0]) {
- throw new \InvalidArgumentException(sprintf('A resource name must start with @ ("%s" given).', $name));
- }
-
- if (false !== strpos($name, '..')) {
- throw new \RuntimeException(sprintf('File name "%s" contains invalid characters (..).', $name));
- }
-
- $bundleName = substr($name, 1);
- $path = '';
- if (false !== strpos($bundleName, '/')) {
- list($bundleName, $path) = explode('/', $bundleName, 2);
- }
-
- $isResource = 0 === strpos($path, 'Resources') && null !== $dir;
- $overridePath = substr($path, 9);
- $resourceBundle = null;
- $bundle = $this->getBundle($bundleName);
- $files = array();
-
- if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) {
- if (null !== $resourceBundle) {
- throw new \RuntimeException(sprintf('"%s" resource is hidden by a resource from the "%s" derived bundle. Create a "%s" file to override the bundle resource.',
- $file,
- $resourceBundle,
- $dir.'/'.$bundle->getName().$overridePath
- ));
- }
-
- $files[] = $file;
- }
-
- if (file_exists($file = $bundle->getPath().'/'.$path)) {
- if ($first && !$isResource) {
- return $file;
- }
- $files[] = $file;
- $resourceBundle = $bundle->getName();
- }
-
- if (count($files) > 0) {
- return $first && $isResource ? $files[0] : $files;
- }
-
- throw new \InvalidArgumentException(sprintf('Unable to find file "%s".', $name));
- }
-
- /**
- * {@inheritdoc}
- */
- public function getName()
- {
- if (null === $this->name) {
- $this->name = preg_replace('/[^a-zA-Z0-9_]+/', '', basename($this->rootDir));
- if (ctype_digit($this->name[0])) {
- $this->name = '_'.$this->name;
- }
- }
-
- return $this->name;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getEnvironment()
- {
- return $this->environment;
- }
-
- /**
- * {@inheritdoc}
- */
- public function isDebug()
- {
- return $this->debug;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getRootDir()
- {
- if (null === $this->rootDir) {
- $r = new \ReflectionObject($this);
- $this->rootDir = dirname($r->getFileName());
- }
-
- return $this->rootDir;
- }
-
- /**
- * Gets the application root dir (path of the project's composer file).
- *
- * @return string The project root dir
- */
- public function getProjectDir()
- {
- if (null === $this->projectDir) {
- $r = new \ReflectionObject($this);
- $dir = $rootDir = dirname($r->getFileName());
- while (!file_exists($dir.'/composer.json')) {
- if ($dir === dirname($dir)) {
- return $this->projectDir = $rootDir;
- }
- $dir = dirname($dir);
- }
- $this->projectDir = $dir;
- }
-
- return $this->projectDir;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getContainer()
- {
- return $this->container;
- }
-
- /**
- * @internal
- */
- public function setAnnotatedClassCache(array $annotatedClasses)
- {
- file_put_contents(($this->warmupDir ?: $this->getCacheDir()).'/annotations.map', sprintf('<?php return %s;', var_export($annotatedClasses, true)));
- }
-
- /**
- * {@inheritdoc}
- */
- public function getStartTime()
- {
- return $this->debug ? $this->startTime : -INF;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getCacheDir()
- {
- return $this->rootDir.'/cache/'.$this->environment;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getLogDir()
- {
- return $this->rootDir.'/logs';
- }
-
- /**
- * {@inheritdoc}
- */
- public function getCharset()
- {
- return 'UTF-8';
- }
-
- /**
- * Gets the patterns defining the classes to parse and cache for annotations.
- */
- public function getAnnotatedClassesToCompile(): array
- {
- return array();
- }
-
- /**
- * Initializes bundles.
- *
- * @throws \LogicException if two bundles share a common name
- */
- protected function initializeBundles()
- {
- // init bundles
- $this->bundles = array();
- foreach ($this->registerBundles() as $bundle) {
- $name = $bundle->getName();
- if (isset($this->bundles[$name])) {
- throw new \LogicException(sprintf('Trying to register two bundles with the same name "%s"', $name));
- }
- $this->bundles[$name] = $bundle;
- }
- }
-
- /**
- * The extension point similar to the Bundle::build() method.
- *
- * Use this method to register compiler passes and manipulate the container during the building process.
- */
- protected function build(ContainerBuilder $container)
- {
- }
-
- /**
- * Gets the container class.
- *
- * @return string The container class
- */
- protected function getContainerClass()
- {
- return $this->name.ucfirst($this->environment).($this->debug ? 'Debug' : '').'ProjectContainer';
- }
-
- /**
- * Gets the container's base class.
- *
- * All names except Container must be fully qualified.
- *
- * @return string
- */
- protected function getContainerBaseClass()
- {
- return 'Container';
- }
-
- /**
- * Initializes the service container.
- *
- * The cached version of the service container is used when fresh, otherwise the
- * container is built.
- */
- protected function initializeContainer()
- {
- $class = $this->getContainerClass();
- $cacheDir = $this->warmupDir ?: $this->getCacheDir();
- $cache = new ConfigCache($cacheDir.'/'.$class.'.php', $this->debug);
- $oldContainer = null;
- if ($fresh = $cache->isFresh()) {
- // Silence E_WARNING to ignore "include" failures - don't use "@" to prevent silencing fatal errors
- $errorLevel = error_reporting(\E_ALL ^ \E_WARNING);
- $fresh = $oldContainer = false;
- try {
- if (file_exists($cache->getPath()) && \is_object($this->container = include $cache->getPath())) {
- $this->container->set('kernel', $this);
- $oldContainer = $this->container;
- $fresh = true;
- }
- } catch (\Throwable $e) {
- } catch (\Exception $e) {
- } finally {
- error_reporting($errorLevel);
- }
- }
-
- if ($fresh) {
- return;
- }
-
- if ($this->debug) {
- $collectedLogs = array();
- $previousHandler = defined('PHPUNIT_COMPOSER_INSTALL');
- $previousHandler = $previousHandler ?: set_error_handler(function ($type, $message, $file, $line) use (&$collectedLogs, &$previousHandler) {
- if (E_USER_DEPRECATED !== $type && E_DEPRECATED !== $type) {
- return $previousHandler ? $previousHandler($type, $message, $file, $line) : false;
- }
-
- if (isset($collectedLogs[$message])) {
- ++$collectedLogs[$message]['count'];
-
- return;
- }
-
- $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
- // Clean the trace by removing first frames added by the error handler itself.
- for ($i = 0; isset($backtrace[$i]); ++$i) {
- if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) {
- $backtrace = array_slice($backtrace, 1 + $i);
- break;
- }
- }
-
- $collectedLogs[$message] = array(
- 'type' => $type,
- 'message' => $message,
- 'file' => $file,
- 'line' => $line,
- 'trace' => $backtrace,
- 'count' => 1,
- );
- });
- }
-
- try {
- $container = null;
- $container = $this->buildContainer();
- $container->compile();
- } finally {
- if ($this->debug && true !== $previousHandler) {
- restore_error_handler();
-
- file_put_contents($cacheDir.'/'.$class.'Deprecations.log', serialize(array_values($collectedLogs)));
- file_put_contents($cacheDir.'/'.$class.'Compiler.log', null !== $container ? implode("\n", $container->getCompiler()->getLog()) : '');
- }
- }
-
- if (null === $oldContainer && file_exists($cache->getPath())) {
- $errorLevel = error_reporting(\E_ALL ^ \E_WARNING);
- try {
- $oldContainer = include $cache->getPath();
- } catch (\Throwable $e) {
- } catch (\Exception $e) {
- } finally {
- error_reporting($errorLevel);
- }
- }
- $oldContainer = is_object($oldContainer) ? new \ReflectionClass($oldContainer) : false;
-
- $this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass());
- $this->container = require $cache->getPath();
- $this->container->set('kernel', $this);
-
- if ($oldContainer && get_class($this->container) !== $oldContainer->name) {
- // Because concurrent requests might still be using them,
- // old container files are not removed immediately,
- // but on a next dump of the container.
- static $legacyContainers = array();
- $oldContainerDir = dirname($oldContainer->getFileName());
- $legacyContainers[$oldContainerDir.'.legacy'] = true;
- foreach (glob(dirname($oldContainerDir).DIRECTORY_SEPARATOR.'*.legacy') as $legacyContainer) {
- if (!isset($legacyContainers[$legacyContainer]) && @unlink($legacyContainer)) {
- (new Filesystem())->remove(substr($legacyContainer, 0, -7));
- }
- }
-
- touch($oldContainerDir.'.legacy');
- }
-
- if ($this->container->has('cache_warmer')) {
- $this->container->get('cache_warmer')->warmUp($this->container->getParameter('kernel.cache_dir'));
- }
- }
-
- /**
- * Returns the kernel parameters.
- *
- * @return array An array of kernel parameters
- */
- protected function getKernelParameters()
- {
- $bundles = array();
- $bundlesMetadata = array();
-
- foreach ($this->bundles as $name => $bundle) {
- $bundles[$name] = get_class($bundle);
- $bundlesMetadata[$name] = array(
- 'path' => $bundle->getPath(),
- 'namespace' => $bundle->getNamespace(),
- );
- }
-
- return array(
- 'kernel.root_dir' => realpath($this->rootDir) ?: $this->rootDir,
- 'kernel.project_dir' => realpath($this->getProjectDir()) ?: $this->getProjectDir(),
- 'kernel.environment' => $this->environment,
- 'kernel.debug' => $this->debug,
- 'kernel.name' => $this->name,
- 'kernel.cache_dir' => realpath($cacheDir = $this->warmupDir ?: $this->getCacheDir()) ?: $cacheDir,
- 'kernel.logs_dir' => realpath($this->getLogDir()) ?: $this->getLogDir(),
- 'kernel.bundles' => $bundles,
- 'kernel.bundles_metadata' => $bundlesMetadata,
- 'kernel.charset' => $this->getCharset(),
- 'kernel.container_class' => $this->getContainerClass(),
- );
- }
-
- /**
- * Builds the service container.
- *
- * @return ContainerBuilder The compiled service container
- *
- * @throws \RuntimeException
- */
- protected function buildContainer()
- {
- foreach (array('cache' => $this->warmupDir ?: $this->getCacheDir(), 'logs' => $this->getLogDir()) as $name => $dir) {
- if (!is_dir($dir)) {
- if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
- throw new \RuntimeException(sprintf("Unable to create the %s directory (%s)\n", $name, $dir));
- }
- } elseif (!is_writable($dir)) {
- throw new \RuntimeException(sprintf("Unable to write in the %s directory (%s)\n", $name, $dir));
- }
- }
-
- $container = $this->getContainerBuilder();
- $container->addObjectResource($this);
- $this->prepareContainer($container);
-
- if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) {
- $container->merge($cont);
- }
-
- $container->addCompilerPass(new AddAnnotatedClassesToCachePass($this));
-
- return $container;
- }
-
- /**
- * Prepares the ContainerBuilder before it is compiled.
- */
- protected function prepareContainer(ContainerBuilder $container)
- {
- $extensions = array();
- foreach ($this->bundles as $bundle) {
- if ($extension = $bundle->getContainerExtension()) {
- $container->registerExtension($extension);
- }
-
- if ($this->debug) {
- $container->addObjectResource($bundle);
- }
- }
-
- foreach ($this->bundles as $bundle) {
- $bundle->build($container);
- }
-
- $this->build($container);
-
- foreach ($container->getExtensions() as $extension) {
- $extensions[] = $extension->getAlias();
- }
-
- // ensure these extensions are implicitly loaded
- $container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions));
- }
-
- /**
- * Gets a new ContainerBuilder instance used to build the service container.
- *
- * @return ContainerBuilder
- */
- protected function getContainerBuilder()
- {
- $container = new ContainerBuilder();
- $container->getParameterBag()->add($this->getKernelParameters());
-
- if ($this instanceof CompilerPassInterface) {
- $container->addCompilerPass($this, PassConfig::TYPE_BEFORE_OPTIMIZATION, -10000);
- }
- if (class_exists('ProxyManager\Configuration') && class_exists('Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator')) {
- $container->setProxyInstantiator(new RuntimeInstantiator());
- }
-
- return $container;
- }
-
- /**
- * Dumps the service container to PHP code in the cache.
- *
- * @param ConfigCache $cache The config cache
- * @param ContainerBuilder $container The service container
- * @param string $class The name of the class to generate
- * @param string $baseClass The name of the container's base class
- */
- protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, $class, $baseClass)
- {
- // cache the container
- $dumper = new PhpDumper($container);
-
- if (class_exists('ProxyManager\Configuration') && class_exists('Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper')) {
- $dumper->setProxyDumper(new ProxyDumper());
- }
-
- $content = $dumper->dump(array(
- 'class' => $class,
- 'base_class' => $baseClass,
- 'file' => $cache->getPath(),
- 'as_files' => true,
- 'debug' => $this->debug,
- 'build_time' => $container->hasParameter('kernel.container_build_time') ? $container->getParameter('kernel.container_build_time') : time(),
- ));
-
- $rootCode = array_pop($content);
- $dir = dirname($cache->getPath()).'/';
- $fs = new Filesystem();
-
- foreach ($content as $file => $code) {
- $fs->dumpFile($dir.$file, $code);
- @chmod($dir.$file, 0666 & ~umask());
- }
- @unlink(dirname($dir.$file).'.legacy');
-
- $cache->write($rootCode, $container->getResources());
- }
-
- /**
- * Returns a loader for the container.
- *
- * @return DelegatingLoader The loader
- */
- protected function getContainerLoader(ContainerInterface $container)
- {
- $locator = new FileLocator($this);
- $resolver = new LoaderResolver(array(
- new XmlFileLoader($container, $locator),
- new YamlFileLoader($container, $locator),
- new IniFileLoader($container, $locator),
- new PhpFileLoader($container, $locator),
- new GlobFileLoader($container, $locator),
- new DirectoryLoader($container, $locator),
- new ClosureLoader($container),
- ));
-
- return new DelegatingLoader($resolver);
- }
-
- /**
- * Removes comments from a PHP source string.
- *
- * We don't use the PHP php_strip_whitespace() function
- * as we want the content to be readable and well-formatted.
- *
- * @param string $source A PHP string
- *
- * @return string The PHP string with the comments removed
- */
- public static function stripComments($source)
- {
- if (!function_exists('token_get_all')) {
- return $source;
- }
-
- $rawChunk = '';
- $output = '';
- $tokens = token_get_all($source);
- $ignoreSpace = false;
- for ($i = 0; isset($tokens[$i]); ++$i) {
- $token = $tokens[$i];
- if (!isset($token[1]) || 'b"' === $token) {
- $rawChunk .= $token;
- } elseif (T_START_HEREDOC === $token[0]) {
- $output .= $rawChunk.$token[1];
- do {
- $token = $tokens[++$i];
- $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token;
- } while (T_END_HEREDOC !== $token[0]);
- $rawChunk = '';
- } elseif (T_WHITESPACE === $token[0]) {
- if ($ignoreSpace) {
- $ignoreSpace = false;
-
- continue;
- }
-
- // replace multiple new lines with a single newline
- $rawChunk .= preg_replace(array('/\n{2,}/S'), "\n", $token[1]);
- } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
- $ignoreSpace = true;
- } else {
- $rawChunk .= $token[1];
-
- // The PHP-open tag already has a new-line
- if (T_OPEN_TAG === $token[0]) {
- $ignoreSpace = true;
- }
- }
- }
-
- $output .= $rawChunk;
-
- // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
- unset($tokens, $rawChunk);
- gc_mem_caches();
-
- return $output;
- }
-
- public function serialize()
- {
- return serialize(array($this->environment, $this->debug));
- }
-
- public function unserialize($data)
- {
- list($environment, $debug) = unserialize($data, array('allowed_classes' => false));
-
- $this->__construct($environment, $debug);
- }
- }
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