Add Google authentication

vendor/OAuth/Common/Http/Uri/UriFactory.php

@@ -0,0 +1,168 @@
+<?php
+
+namespace OAuth\Common\Http\Uri;
+
+use RuntimeException;
+
+/**
+ * Factory class for uniform resource indicators
+ */
+class UriFactory implements UriFactoryInterface
+{
+    /**
+     * Factory method to build a URI from a super-global $_SERVER array.
+     *
+     * @param array $_server
+     *
+     * @return UriInterface
+     */
+    public function createFromSuperGlobalArray(array $_server)
+    {
+        if ($uri = $this->attemptProxyStyleParse($_server)) {
+            return $uri;
+        }
+
+        $scheme = $this->detectScheme($_server);
+        $host = $this->detectHost($_server);
+        $port = $this->detectPort($_server);
+        $path = $this->detectPath($_server);
+        $query = $this->detectQuery($_server);
+
+        return $this->createFromParts($scheme, '', $host, $port, $path, $query);
+    }
+
+    /**
+     * @param string $absoluteUri
+     *
+     * @return UriInterface
+     */
+    public function createFromAbsolute($absoluteUri)
+    {
+        return new Uri($absoluteUri);
+    }
+
+    /**
+     * Factory method to build a URI from parts
+     *
+     * @param string $scheme
+     * @param string $userInfo
+     * @param string $host
+     * @param string $port
+     * @param string $path
+     * @param string $query
+     * @param string $fragment
+     *
+     * @return UriInterface
+     */
+    public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '')
+    {
+        $uri = new Uri();
+        $uri->setScheme($scheme);
+        $uri->setUserInfo($userInfo);
+        $uri->setHost($host);
+        $uri->setPort($port);
+        $uri->setPath($path);
+        $uri->setQuery($query);
+        $uri->setFragment($fragment);
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return UriInterface|null
+     */
+    private function attemptProxyStyleParse($_server)
+    {
+        // If the raw HTTP request message arrives with a proxy-style absolute URI in the
+        // initial request line, the absolute URI is stored in $_SERVER['REQUEST_URI'] and
+        // we only need to parse that.
+        if (isset($_server['REQUEST_URI']) && parse_url($_server['REQUEST_URI'], PHP_URL_SCHEME)) {
+            return new Uri($_server['REQUEST_URI']);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     *
+     * @throws RuntimeException
+     */
+    private function detectPath($_server)
+    {
+        if (isset($_server['REQUEST_URI'])) {
+            $uri = $_server['REQUEST_URI'];
+        } elseif (isset($_server['REDIRECT_URL'])) {
+            $uri = $_server['REDIRECT_URL'];
+        } else {
+            throw new RuntimeException('Could not detect URI path from superglobal');
+        }
+
+        $queryStr = strpos($uri, '?');
+        if ($queryStr !== false) {
+            $uri = substr($uri, 0, $queryStr);
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectHost(array $_server)
+    {
+        $host = isset($_server['HTTP_HOST']) ? $_server['HTTP_HOST'] : '';
+
+        if (strstr($host, ':')) {
+            $host = parse_url($host, PHP_URL_HOST);
+        }
+
+        return $host;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectPort(array $_server)
+    {
+        return isset($_server['SERVER_PORT']) ? $_server['SERVER_PORT'] : 80;
+    }
+
+    /**
+     * @param array $_server
+     *
+     * @return string
+     */
+    private function detectQuery(array $_server)
+    {
+        return isset($_server['QUERY_STRING']) ? $_server['QUERY_STRING'] : '';
+    }
+
+    /**
+     * Determine URI scheme component from superglobal array
+     *
+     * When using ISAPI with IIS, the value will be "off" if the request was
+     * not made through the HTTPS protocol. As a result, we filter the
+     * value to a bool.
+     *
+     * @param array $_server A super-global $_SERVER array
+     *
+     * @return string Returns http or https depending on the URI scheme
+     */
+    private function detectScheme(array $_server)
+    {
+        if (isset($_server['HTTPS']) && filter_var($_server['HTTPS'], FILTER_VALIDATE_BOOLEAN)) {
+            return 'https';
+        } else {
+            return 'http';
+        }
+    }
+}