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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of Sulu.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) MASSIVE ART WebServices GmbH  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This source file is subject to the MIT license that is bundled  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * with this source code in the file LICENSE.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Sulu\Bundle\ValidationBundle\JsonSchema;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use InvalidArgumentException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use JsonSchema\Entity\JsonPointer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use JsonSchema\Iterator\ObjectIterator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use JsonSchema\SchemaStorage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sulu\Bundle\ValidationBundle\Exceptions\MalFormedJsonException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\ConfigCache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\Exception\FileLocatorFileNotFoundException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\FileLocatorInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\Resource\FileResource;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class CachedSchemaStorage extends SchemaStorage  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const FILE_PREFIX = 'file://';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var FileLocatorInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $fileLocator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $configuredSchemas;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $debugMode;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $cacheFilePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array                $configuredSchemas array containing all file paths to configured schemas  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param FileLocatorInterface $fileLocator  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string               $cacheFilePath  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string               $environment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        array $configuredSchemas,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        FileLocatorInterface $fileLocator,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cacheFilePath,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $environment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->fileLocator = $fileLocator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->configuredSchemas = $configuredSchemas;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->debugMode = $environment !== 'prod';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->cacheFilePath = $cacheFilePath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function initializeCache()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $schemaCache = new ConfigCache($this->cacheFilePath, $this->debugMode);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!$schemaCache->isFresh()) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $resources = [];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $processedSchemas = [];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            foreach ($this->configuredSchemas as $schemaPath) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $this->processSchema($schemaPath, $processedSchemas, $resources);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $schemaCache->write(serialize($processedSchemas), $resources);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->schemas = unserialize(file_get_contents($schemaCache->getPath()));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $routeId  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws InvalidArgumentException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getSchemaByRoute($routeId)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $schemaFilePath = self::FILE_PREFIX . $this->fileLocator->locate($this->configuredSchemas[$routeId]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->getSchema($schemaFilePath);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $schemaPath  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $serializedSchemas  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $resources  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws MalFormedJsonException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws InvalidArgumentException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws FileLocatorFileNotFoundException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function processSchema($schemaPath, array &$serializedSchemas, array &$resources)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (array_key_exists($schemaPath, $serializedSchemas)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $absoluteSchemaPath = $this->fileLocator->locate($schemaPath);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $schema = json_decode(file_get_contents($absoluteSchemaPath));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (json_last_error() !== JSON_ERROR_NONE) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new MalFormedJsonException('Malformed json encountered in ' . $schemaPath); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (strpos($absoluteSchemaPath, self::FILE_PREFIX) !== 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $absoluteSchemaPath = self::FILE_PREFIX . $absoluteSchemaPath;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $serializedSchemas[$absoluteSchemaPath] = $schema;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resources[] = new FileResource($absoluteSchemaPath);  | 
            
                            
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                        $this->processReferencesInSchema($schema, $absoluteSchemaPath, $serializedSchemas, $resources);  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param mixed  $schema  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $schemaFilePath  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $serializedSchemas  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                     | 
                
                 | 
                     * @param array  $resources  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws MalFormedJsonException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws InvalidArgumentException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws FileLocatorFileNotFoundException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                             1                          | 
                
                 | 
                    protected function processReferencesInSchema($schema, $schemaFilePath, array &$serializedSchemas, array &$resources)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                             1                          | 
                
                 | 
                        $objectIterator = new ObjectIterator($schema);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                             1                          | 
                
                 | 
                        foreach ($objectIterator as $toResolveSchema) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                             1                          | 
                
                 | 
                            if (property_exists($toResolveSchema, '$ref') && is_string($toResolveSchema->{'$ref'})) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                             1                          | 
                
                 | 
                                $uri = $this->uriResolver->resolve($toResolveSchema->{'$ref'}, $schemaFilePath); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                             1                          | 
                
                 | 
                                $jsonPointer = new JsonPointer($uri);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                             1                          | 
                
                 | 
                                $toResolveSchema->{'$ref'} = (string) $jsonPointer; | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                             1                          | 
                
                 | 
                                $this->processSchema($jsonPointer->getFilename(), $serializedSchemas, $resources);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                             1                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
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