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PK ! X�h��$ �$ UriRetriever.phpnu �Iw�� <?php /* * This file is part of the JsonSchema package. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace JsonSchema\Uri; use JsonSchema\Exception\InvalidSchemaMediaTypeException; use JsonSchema\Exception\JsonDecodingException; use JsonSchema\Exception\ResourceNotFoundException; use JsonSchema\Uri\Retrievers\FileGetContents; use JsonSchema\Uri\Retrievers\UriRetrieverInterface; use JsonSchema\UriRetrieverInterface as BaseUriRetrieverInterface; use JsonSchema\Validator; /** * Retrieves JSON Schema URIs * * @author Tyler Akins <fidian@rumkin.com> */ class UriRetriever implements BaseUriRetrieverInterface { /** * @var array Map of URL translations */ protected $translationMap = array( // use local copies of the spec schemas '|^https?://json-schema.org/draft-(0[34])/schema#?|' => 'package://dist/schema/json-schema-draft-$1.json' ); /** * @var array A list of endpoints for media type check exclusion */ protected $allowedInvalidContentTypeEndpoints = array( 'http://json-schema.org/', 'https://json-schema.org/' ); /** * @var null|UriRetrieverInterface */ protected $uriRetriever = null; /** * @var array|object[] * * @see loadSchema */ private $schemaCache = array(); /** * Adds an endpoint to the media type validation exclusion list * * @param string $endpoint */ public function addInvalidContentTypeEndpoint($endpoint) { $this->allowedInvalidContentTypeEndpoints[] = $endpoint; } /** * Guarantee the correct media type was encountered * * @param UriRetrieverInterface $uriRetriever * @param string $uri * * @return bool|void */ public function confirmMediaType($uriRetriever, $uri) { $contentType = $uriRetriever->getContentType(); if (is_null($contentType)) { // Well, we didn't get an invalid one return; } if (in_array($contentType, array(Validator::SCHEMA_MEDIA_TYPE, 'application/json'))) { return; } foreach ($this->allowedInvalidContentTypeEndpoints as $endpoint) { if (strpos($uri, $endpoint) === 0) { return true; } } throw new InvalidSchemaMediaTypeException(sprintf('Media type %s expected', Validator::SCHEMA_MEDIA_TYPE)); } /** * Get a URI Retriever * * If none is specified, sets a default FileGetContents retriever and * returns that object. * * @return UriRetrieverInterface */ public function getUriRetriever() { if (is_null($this->uriRetriever)) { $this->setUriRetriever(new FileGetContents()); } return $this->uriRetriever; } /** * Resolve a schema based on pointer * * URIs can have a fragment at the end in the format of * #/path/to/object and we are to look up the 'path' property of * the first object then the 'to' and 'object' properties. * * @param object $jsonSchema JSON Schema contents * @param string $uri JSON Schema URI * * @throws ResourceNotFoundException * * @return object JSON Schema after walking down the fragment pieces */ public function resolvePointer($jsonSchema, $uri) { $resolver = new UriResolver(); $parsed = $resolver->parse($uri); if (empty($parsed['fragment'])) { return $jsonSchema; } $path = explode('/', $parsed['fragment']); while ($path) { $pathElement = array_shift($path); if (!empty($pathElement)) { $pathElement = str_replace('~1', '/', $pathElement); $pathElement = str_replace('~0', '~', $pathElement); if (!empty($jsonSchema->$pathElement)) { $jsonSchema = $jsonSchema->$pathElement; } else { throw new ResourceNotFoundException( 'Fragment "' . $parsed['fragment'] . '" not found' . ' in ' . $uri ); } if (!is_object($jsonSchema)) { throw new ResourceNotFoundException( 'Fragment part "' . $pathElement . '" is no object ' . ' in ' . $uri ); } } } return $jsonSchema; } /** * {@inheritdoc} */ public function retrieve($uri, $baseUri = null, $translate = true) { $resolver = new UriResolver(); $resolvedUri = $fetchUri = $resolver->resolve($uri, $baseUri); //fetch URL without #fragment $arParts = $resolver->parse($resolvedUri); if (isset($arParts['fragment'])) { unset($arParts['fragment']); $fetchUri = $resolver->generate($arParts); } // apply URI translations if ($translate) { $fetchUri = $this->translate($fetchUri); } $jsonSchema = $this->loadSchema($fetchUri); // Use the JSON pointer if specified $jsonSchema = $this->resolvePointer($jsonSchema, $resolvedUri); if ($jsonSchema instanceof \stdClass) { $jsonSchema->id = $resolvedUri; } return $jsonSchema; } /** * Fetch a schema from the given URI, json-decode it and return it. * Caches schema objects. * * @param string $fetchUri Absolute URI * * @return object JSON schema object */ protected function loadSchema($fetchUri) { if (isset($this->schemaCache[$fetchUri])) { return $this->schemaCache[$fetchUri]; } $uriRetriever = $this->getUriRetriever(); $contents = $this->uriRetriever->retrieve($fetchUri); $this->confirmMediaType($uriRetriever, $fetchUri); $jsonSchema = json_decode($contents); if (JSON_ERROR_NONE < $error = json_last_error()) { throw new JsonDecodingException($error); } $this->schemaCache[$fetchUri] = $jsonSchema; return $jsonSchema; } /** * Set the URI Retriever * * @param UriRetrieverInterface $uriRetriever * * @return $this for chaining */ public function setUriRetriever(UriRetrieverInterface $uriRetriever) { $this->uriRetriever = $uriRetriever; return $this; } /** * Parses a URI into five main components * * @param string $uri * * @return array */ public function parse($uri) { preg_match('|^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?|', $uri, $match); $components = array(); if (5 < count($match)) { $components = array( 'scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5] ); } if (7 < count($match)) { $components['query'] = $match[7]; } if (9 < count($match)) { $components['fragment'] = $match[9]; } return $components; } /** * Builds a URI based on n array with the main components * * @param array $components * * @return string */ public function generate(array $components) { $uri = $components['scheme'] . '://' . $components['authority'] . $components['path']; if (array_key_exists('query', $components)) { $uri .= $components['query']; } if (array_key_exists('fragment', $components)) { $uri .= $components['fragment']; } return $uri; } /** * Resolves a URI * * @param string $uri Absolute or relative * @param string $baseUri Optional base URI * * @return string */ public function resolve($uri, $baseUri = null) { $components = $this->parse($uri); $path = $components['path']; if ((array_key_exists('scheme', $components)) && ('http' === $components['scheme'])) { return $uri; } $baseComponents = $this->parse($baseUri); $basePath = $baseComponents['path']; $baseComponents['path'] = UriResolver::combineRelativePathWithBasePath($path, $basePath); return $this->generate($baseComponents); } /** * @param string $uri * * @return bool */ public function isValid($uri) { $components = $this->parse($uri); return !empty($components); } /** * Set a URL translation rule */ public function setTranslation($from, $to) { $this->translationMap[$from] = $to; } /** * Apply URI translation rules */ public function translate($uri) { foreach ($this->translationMap as $from => $to) { $uri = preg_replace($from, $to, $uri); } // translate references to local files within the json-schema package $uri = preg_replace('|^package://|', sprintf('file://%s/', realpath(__DIR__ . '/../../..')), $uri); return $uri; } } PK ! �no o Retrievers/Curl.phpnu �Iw�� <?php /* * This file is part of the JsonSchema package. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace JsonSchema\Uri\Retrievers; use JsonSchema\Exception\RuntimeException; use JsonSchema\Validator; /** * Tries to retrieve JSON schemas from a URI using cURL library * * @author Sander Coolen <sander@jibber.nl> */ class Curl extends AbstractRetriever { protected $messageBody; public function __construct() { if (!function_exists('curl_init')) { // Cannot test this, because curl_init is present on all test platforms plus mock throw new RuntimeException('cURL not installed'); // @codeCoverageIgnore } } /** * {@inheritdoc} * * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve() */ public function retrieve($uri) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $uri); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: ' . Validator::SCHEMA_MEDIA_TYPE)); $response = curl_exec($ch); if (false === $response) { throw new \JsonSchema\Exception\ResourceNotFoundException('JSON schema not found'); } $this->fetchMessageBody($response); $this->fetchContentType($response); curl_close($ch); return $this->messageBody; } /** * @param string $response cURL HTTP response */ private function fetchMessageBody($response) { preg_match("/(?:\r\n){2}(.*)$/ms", $response, $match); $this->messageBody = $match[1]; } /** * @param string $response cURL HTTP response * * @return bool Whether the Content-Type header was found or not */ protected function fetchContentType($response) { if (0 < preg_match("/Content-Type:(\V*)/ims", $response, $match)) { $this->contentType = trim($match[1]); return true; } return false; } } PK ! ���Mr r Retrievers/AbstractRetriever.phpnu �Iw�� <?php /** * JsonSchema * * @filesource */ namespace JsonSchema\Uri\Retrievers; /** * AbstractRetriever implements the default shared behavior * that all descendant Retrievers should inherit * * @author Steven Garcia <webwhammy@gmail.com> */ abstract class AbstractRetriever implements UriRetrieverInterface { /** * Media content type * * @var string */ protected $contentType; /** * {@inheritdoc} * * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::getContentType() */ public function getContentType() { return $this->contentType; } } PK ! 0� Retrievers/PredefinedArray.phpnu �Iw�� <?php namespace JsonSchema\Uri\Retrievers; use JsonSchema\Validator; /** * URI retrieved based on a predefined array of schemas * * @example * * $retriever = new PredefinedArray(array( * 'http://acme.com/schemas/person#' => '{ ... }', * 'http://acme.com/schemas/address#' => '{ ... }', * )) * * $schema = $retriever->retrieve('http://acme.com/schemas/person#'); */ class PredefinedArray extends AbstractRetriever { /** * Contains schemas as URI => JSON * * @var array */ private $schemas; /** * Constructor * * @param array $schemas * @param string $contentType */ public function __construct(array $schemas, $contentType = Validator::SCHEMA_MEDIA_TYPE) { $this->schemas = $schemas; $this->contentType = $contentType; } /** * {@inheritdoc} * * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve() */ public function retrieve($uri) { if (!array_key_exists($uri, $this->schemas)) { throw new \JsonSchema\Exception\ResourceNotFoundException(sprintf( 'The JSON schema "%s" was not found.', $uri )); } return $this->schemas[$uri]; } } PK ! [}x#j j Retrievers/FileGetContents.phpnu �Iw�� <?php /* * This file is part of the JsonSchema package. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace JsonSchema\Uri\Retrievers; use JsonSchema\Exception\ResourceNotFoundException; /** * Tries to retrieve JSON schemas from a URI using file_get_contents() * * @author Sander Coolen <sander@jibber.nl> */ class FileGetContents extends AbstractRetriever { protected $messageBody; /** * {@inheritdoc} * * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve() */ public function retrieve($uri) { $errorMessage = null; set_error_handler(function ($errno, $errstr) use (&$errorMessage) { $errorMessage = $errstr; }); $response = file_get_contents($uri); restore_error_handler(); if ($errorMessage) { throw new ResourceNotFoundException($errorMessage); } if (false === $response) { throw new ResourceNotFoundException('JSON schema not found at ' . $uri); } if ($response == '' && substr($uri, 0, 7) == 'file://' && substr($uri, -1) == '/' ) { throw new ResourceNotFoundException('JSON schema not found at ' . $uri); } $this->messageBody = $response; if (!empty($http_response_header)) { // $http_response_header cannot be tested, because it's defined in the method's local scope // See http://php.net/manual/en/reserved.variables.httpresponseheader.php for more info. $this->fetchContentType($http_response_header); // @codeCoverageIgnore } else { // @codeCoverageIgnore // Could be a "file://" url or something else - fake up the response $this->contentType = null; } return $this->messageBody; } /** * @param array $headers HTTP Response Headers * * @return bool Whether the Content-Type header was found or not */ private function fetchContentType(array $headers) { foreach ($headers as $header) { if ($this->contentType = self::getContentTypeMatchInHeader($header)) { return true; } } return false; } /** * @param string $header * * @return string|null */ protected static function getContentTypeMatchInHeader($header) { if (0 < preg_match("/Content-Type:(\V*)/ims", $header, $match)) { return trim($match[1]); } return null; } } PK ! ?�r@� � $ Retrievers/UriRetrieverInterface.phpnu �Iw�� <?php /* * This file is part of the JsonSchema package. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace JsonSchema\Uri\Retrievers; /** * Interface for URI retrievers * * @author Sander Coolen <sander@jibber.nl> */ interface UriRetrieverInterface { /** * Retrieve a schema from the specified URI * * @param string $uri URI that resolves to a JSON schema * * @throws \JsonSchema\Exception\ResourceNotFoundException * * @return mixed string|null */ public function retrieve($uri); /** * Get media content type * * @return string */ public function getContentType(); } PK ! ���; ; UriResolver.phpnu �Iw�� <?php /* * This file is part of the JsonSchema package. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace JsonSchema\Uri; use JsonSchema\Exception\UriResolverException; use JsonSchema\UriResolverInterface; /** * Resolves JSON Schema URIs * * @author Sander Coolen <sander@jibber.nl> */ class UriResolver implements UriResolverInterface { /** * Parses a URI into five main components * * @param string $uri * * @return array */ public function parse($uri) { preg_match('|^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?|', $uri, $match); $components = array(); if (5 < count($match)) { $components = array( 'scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5] ); } if (7 < count($match)) { $components['query'] = $match[7]; } if (9 < count($match)) { $components['fragment'] = $match[9]; } return $components; } /** * Builds a URI based on n array with the main components * * @param array $components * * @return string */ public function generate(array $components) { $uri = $components['scheme'] . '://' . $components['authority'] . $components['path']; if (array_key_exists('query', $components) && strlen($components['query'])) { $uri .= '?' . $components['query']; } if (array_key_exists('fragment', $components)) { $uri .= '#' . $components['fragment']; } return $uri; } /** * {@inheritdoc} */ public function resolve($uri, $baseUri = null) { // treat non-uri base as local file path if ( !is_null($baseUri) && !filter_var($baseUri, \FILTER_VALIDATE_URL) && !preg_match('|^[^/]+://|u', $baseUri) ) { if (is_file($baseUri)) { $baseUri = 'file://' . realpath($baseUri); } elseif (is_dir($baseUri)) { $baseUri = 'file://' . realpath($baseUri) . '/'; } else { $baseUri = 'file://' . getcwd() . '/' . $baseUri; } } if ($uri == '') { return $baseUri; } $components = $this->parse($uri); $path = $components['path']; if (!empty($components['scheme'])) { return $uri; } $baseComponents = $this->parse($baseUri); $basePath = $baseComponents['path']; $baseComponents['path'] = self::combineRelativePathWithBasePath($path, $basePath); if (isset($components['fragment'])) { $baseComponents['fragment'] = $components['fragment']; } return $this->generate($baseComponents); } /** * Tries to glue a relative path onto an absolute one * * @param string $relativePath * @param string $basePath * * @throws UriResolverException * * @return string Merged path */ public static function combineRelativePathWithBasePath($relativePath, $basePath) { $relativePath = self::normalizePath($relativePath); if ($relativePath == '') { return $basePath; } if ($relativePath[0] == '/') { return $relativePath; } $basePathSegments = explode('/', $basePath); preg_match('|^/?(\.\./(?:\./)*)*|', $relativePath, $match); $numLevelUp = strlen($match[0]) /3 + 1; if ($numLevelUp >= count($basePathSegments)) { throw new UriResolverException(sprintf("Unable to resolve URI '%s' from base '%s'", $relativePath, $basePath)); } $basePathSegments = array_slice($basePathSegments, 0, -$numLevelUp); $path = preg_replace('|^/?(\.\./(\./)*)*|', '', $relativePath); return implode('/', $basePathSegments) . '/' . $path; } /** * Normalizes a URI path component by removing dot-slash and double slashes * * @param string $path * * @return string */ private static function normalizePath($path) { $path = preg_replace('|((?<!\.)\./)*|', '', $path); $path = preg_replace('|//|', '/', $path); return $path; } /** * @param string $uri * * @return bool */ public function isValid($uri) { $components = $this->parse($uri); return !empty($components); } } PK ! X�h��$ �$ UriRetriever.phpnu �Iw�� PK ! �no o �$ Retrievers/Curl.phpnu �Iw�� PK ! ���Mr r �- Retrievers/AbstractRetriever.phpnu �Iw�� PK ! 0� n0 Retrievers/PredefinedArray.phpnu �Iw�� PK ! [}x#j j �5 Retrievers/FileGetContents.phpnu �Iw�� PK ! ?�r@� � $ �@ Retrievers/UriRetrieverInterface.phpnu �Iw�� PK ! ���; ; �C UriResolver.phpnu �Iw�� PK r @V
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