Initial commit: apps.supersam24.ru

vendor/justinrainbow/json-schema/src/JsonSchema/Uri/UriResolver.php

@@ -0,0 +1,175 @@
+<?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);
+    }
+}