FileGetContents.php — Secure Custom Fields 6.8.6

secure-custom-fields / vendor / justinrainbow / json-schema / src / JsonSchema / Uri / Retrievers / FileGetContents.php

secure-custom-fields / vendor / justinrainbow / json-schema / src / JsonSchema / Uri / Retrievers Last commit date

AbstractRetriever.php 9 months ago Curl.php 9 months ago FileGetContents.php 9 months ago PredefinedArray.php 9 months ago UriRetrieverInterface.php 9 months ago

FileGetContents.php

94 lines

1	<?php
2
3	/*
4	* This file is part of the JsonSchema package.
5	*
6	* For the full copyright and license information, please view the LICENSE
7	* file that was distributed with this source code.
8	*/
9
10	namespace JsonSchema\Uri\Retrievers;
11
12	use JsonSchema\Exception\ResourceNotFoundException;
13
14	/**
15	* Tries to retrieve JSON schemas from a URI using file_get_contents()
16	*
17	* @author Sander Coolen <sander@jibber.nl>
18	*/
19	class FileGetContents extends AbstractRetriever
20	{
21	protected $messageBody;
22
23	/**
24	* {@inheritdoc}
25	*
26	* @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve()
27	*/
28	public function retrieve($uri)
29	{
30	$errorMessage = null;
31	set_error_handler(function ($errno, $errstr) use (&$errorMessage) {
32	$errorMessage = $errstr;
33	});
34	$response = file_get_contents($uri);
35	restore_error_handler();
36
37	if ($errorMessage) {
38	throw new ResourceNotFoundException($errorMessage);
39	}
40
41	if (false === $response) {
42	throw new ResourceNotFoundException('JSON schema not found at ' . $uri);
43	}
44
45	if ($response == ''
46	&& substr($uri, 0, 7) == 'file://' && substr($uri, -1) == '/'
47	) {
48	throw new ResourceNotFoundException('JSON schema not found at ' . $uri);
49	}
50
51	$this->messageBody = $response;
52	if (!empty($http_response_header)) {
53	// $http_response_header cannot be tested, because it's defined in the method's local scope
54	// See http://php.net/manual/en/reserved.variables.httpresponseheader.php for more info.
55	$this->fetchContentType($http_response_header); // @codeCoverageIgnore
56	} else { // @codeCoverageIgnore
57	// Could be a "file://" url or something else - fake up the response
58	$this->contentType = null;
59	}
60
61	return $this->messageBody;
62	}
63
64	/**
65	* @param array $headers HTTP Response Headers
66	*
67	* @return bool Whether the Content-Type header was found or not
68	*/
69	private function fetchContentType(array $headers)
70	{
71	foreach ($headers as $header) {
72	if ($this->contentType = self::getContentTypeMatchInHeader($header)) {
73	return true;
74	}
75	}
76
77	return false;
78	}
79
80	/**
81	* @param string $header
82	*
83	* @return string\|null
84	*/
85	protected static function getContentTypeMatchInHeader($header)
86	{
87	if (0 < preg_match("/Content-Type:(\V*)/ims", $header, $match)) {
88	return trim($match[1]);
89	}
90
91	return null;
92	}
93	}
94