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dumi_doc-master/schema/vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/FileGetContents.php@44:c1d8923072ba, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:27:22 2017 +0800
Revision:
44:c1d8923072ba
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
TMBOY 44:c1d8923072ba 1 <?php
TMBOY 44:c1d8923072ba 2
TMBOY 44:c1d8923072ba 3 /*
TMBOY 44:c1d8923072ba 4 * This file is part of the JsonSchema package.
TMBOY 44:c1d8923072ba 5 *
TMBOY 44:c1d8923072ba 6 * For the full copyright and license information, please view the LICENSE
TMBOY 44:c1d8923072ba 7 * file that was distributed with this source code.
TMBOY 44:c1d8923072ba 8 */
TMBOY 44:c1d8923072ba 9
TMBOY 44:c1d8923072ba 10 namespace JsonSchema\Uri\Retrievers;
TMBOY 44:c1d8923072ba 11
TMBOY 44:c1d8923072ba 12 use JsonSchema\Exception\ResourceNotFoundException;
TMBOY 44:c1d8923072ba 13
TMBOY 44:c1d8923072ba 14 /**
TMBOY 44:c1d8923072ba 15 * Tries to retrieve JSON schemas from a URI using file_get_contents()
TMBOY 44:c1d8923072ba 16 *
TMBOY 44:c1d8923072ba 17 * @author Sander Coolen <sander@jibber.nl>
TMBOY 44:c1d8923072ba 18 */
TMBOY 44:c1d8923072ba 19 class FileGetContents extends AbstractRetriever
TMBOY 44:c1d8923072ba 20 {
TMBOY 44:c1d8923072ba 21 protected $messageBody;
TMBOY 44:c1d8923072ba 22
TMBOY 44:c1d8923072ba 23 /**
TMBOY 44:c1d8923072ba 24 * {@inheritDoc}
TMBOY 44:c1d8923072ba 25 * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve()
TMBOY 44:c1d8923072ba 26 */
TMBOY 44:c1d8923072ba 27 public function retrieve($uri)
TMBOY 44:c1d8923072ba 28 {
TMBOY 44:c1d8923072ba 29 $errorMessage = null;
TMBOY 44:c1d8923072ba 30 set_error_handler(function ($errno, $errstr) use (&$errorMessage) {
TMBOY 44:c1d8923072ba 31 $errorMessage = $errstr;
TMBOY 44:c1d8923072ba 32 });
TMBOY 44:c1d8923072ba 33 $response = file_get_contents($uri);
TMBOY 44:c1d8923072ba 34 restore_error_handler();
TMBOY 44:c1d8923072ba 35
TMBOY 44:c1d8923072ba 36 if ($errorMessage) {
TMBOY 44:c1d8923072ba 37 throw new ResourceNotFoundException($errorMessage);
TMBOY 44:c1d8923072ba 38 }
TMBOY 44:c1d8923072ba 39
TMBOY 44:c1d8923072ba 40 if (false === $response) {
TMBOY 44:c1d8923072ba 41 throw new ResourceNotFoundException('JSON schema not found at '.$uri);
TMBOY 44:c1d8923072ba 42 }
TMBOY 44:c1d8923072ba 43
TMBOY 44:c1d8923072ba 44 if ($response == ''
TMBOY 44:c1d8923072ba 45 && substr($uri, 0, 7) == 'file://' && substr($uri, -1) == '/'
TMBOY 44:c1d8923072ba 46 ) {
TMBOY 44:c1d8923072ba 47 throw new ResourceNotFoundException('JSON schema not found at '.$uri);
TMBOY 44:c1d8923072ba 48 }
TMBOY 44:c1d8923072ba 49
TMBOY 44:c1d8923072ba 50 $this->messageBody = $response;
TMBOY 44:c1d8923072ba 51 if (!empty($http_response_header)) {
TMBOY 44:c1d8923072ba 52 $this->fetchContentType($http_response_header);
TMBOY 44:c1d8923072ba 53 } else {
TMBOY 44:c1d8923072ba 54 // Could be a "file://" url or something else - fake up the response
TMBOY 44:c1d8923072ba 55 $this->contentType = null;
TMBOY 44:c1d8923072ba 56 }
TMBOY 44:c1d8923072ba 57
TMBOY 44:c1d8923072ba 58 return $this->messageBody;
TMBOY 44:c1d8923072ba 59 }
TMBOY 44:c1d8923072ba 60
TMBOY 44:c1d8923072ba 61 /**
TMBOY 44:c1d8923072ba 62 * @param array $headers HTTP Response Headers
TMBOY 44:c1d8923072ba 63 * @return boolean Whether the Content-Type header was found or not
TMBOY 44:c1d8923072ba 64 */
TMBOY 44:c1d8923072ba 65 private function fetchContentType(array $headers)
TMBOY 44:c1d8923072ba 66 {
TMBOY 44:c1d8923072ba 67 foreach ($headers as $header) {
TMBOY 44:c1d8923072ba 68 if ($this->contentType = self::getContentTypeMatchInHeader($header)) {
TMBOY 44:c1d8923072ba 69 return true;
TMBOY 44:c1d8923072ba 70 }
TMBOY 44:c1d8923072ba 71 }
TMBOY 44:c1d8923072ba 72
TMBOY 44:c1d8923072ba 73 return false;
TMBOY 44:c1d8923072ba 74 }
TMBOY 44:c1d8923072ba 75
TMBOY 44:c1d8923072ba 76 /**
TMBOY 44:c1d8923072ba 77 * @param string $header
TMBOY 44:c1d8923072ba 78 * @return string|null
TMBOY 44:c1d8923072ba 79 */
TMBOY 44:c1d8923072ba 80 protected static function getContentTypeMatchInHeader($header)
TMBOY 44:c1d8923072ba 81 {
TMBOY 44:c1d8923072ba 82 if (0 < preg_match("/Content-Type:(\V*)/ims", $header, $match)) {
TMBOY 44:c1d8923072ba 83 return trim($match[1]);
TMBOY 44:c1d8923072ba 84 }
TMBOY 44:c1d8923072ba 85
TMBOY 44:c1d8923072ba 86 return null;
TMBOY 44:c1d8923072ba 87 }
TMBOY 44:c1d8923072ba 88 }