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[autoinstallsdev/mediawiki.git] / vendor / justinrainbow / json-schema / src / JsonSchema / Uri / Retrievers / FileGetContents.php

diff --git a/vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/FileGetContents.php b/vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/FileGetContents.php
new file mode 100644 (file)
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+++ b/vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/FileGetContents.php
@@ -0,0 +1,93 @@
+<?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;
+    }
+}