Add Google authentication

vendor/OAuth/Common/Service/AbstractService.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\Common\Consumer\CredentialsInterface;
+use OAuth\Common\Http\Client\ClientInterface;
+use OAuth\Common\Http\Uri\Uri;
+use OAuth\Common\Http\Uri\UriInterface;
+use OAuth\Common\Exception\Exception;
+use OAuth\Common\Storage\TokenStorageInterface;
+
+/**
+ * Abstract OAuth service, version-agnostic
+ */
+abstract class AbstractService implements ServiceInterface
+{
+    /** @var Credentials */
+    protected $credentials;
+
+    /** @var ClientInterface */
+    protected $httpClient;
+
+    /** @var TokenStorageInterface */
+    protected $storage;
+
+    /**
+     * @param CredentialsInterface  $credentials
+     * @param ClientInterface       $httpClient
+     * @param TokenStorageInterface $storage
+     */
+    public function __construct(
+        CredentialsInterface $credentials,
+        ClientInterface $httpClient,
+        TokenStorageInterface $storage
+    ) {
+        $this->credentials = $credentials;
+        $this->httpClient = $httpClient;
+        $this->storage = $storage;
+    }
+
+    /**
+     * @param UriInterface|string $path
+     * @param UriInterface        $baseApiUri
+     *
+     * @return UriInterface
+     *
+     * @throws Exception
+     */
+    protected function determineRequestUriFromPath($path, UriInterface $baseApiUri = null)
+    {
+        if ($path instanceof UriInterface) {
+            $uri = $path;
+        } elseif (stripos($path, 'http://') === 0 || stripos($path, 'https://') === 0) {
+            $uri = new Uri($path);
+        } else {
+            if (null === $baseApiUri) {
+                throw new Exception(
+                    'An absolute URI must be passed to ServiceInterface::request as no baseApiUri is set.'
+                );
+            }
+
+            $uri = clone $baseApiUri;
+            if (false !== strpos($path, '?')) {
+                $parts = explode('?', $path, 2);
+                $path = $parts[0];
+                $query = $parts[1];
+                $uri->setQuery($query);
+            }
+
+            if ($path[0] === '/') {
+                $path = substr($path, 1);
+            }
+
+            $uri->setPath($uri->getPath() . $path);
+        }
+
+        return $uri;
+    }
+
+    /**
+     * Accessor to the storage adapter to be able to retrieve tokens
+     *
+     * @return TokenStorageInterface
+     */
+    public function getStorage()
+    {
+        return $this->storage;
+    }
+
+    /**
+     * @return string
+     */
+    public function service()
+    {
+        // get class name without backslashes
+        $classname = get_class($this);
+
+        return preg_replace('/^.*\\\\/', '', $classname);
+    }
+}

vendor/OAuth/Common/Service/ServiceInterface.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace OAuth\Common\Service;
+
+use OAuth\Common\Http\Uri\UriInterface;
+
+/**
+ * Defines methods common among all OAuth services.
+ */
+interface ServiceInterface
+{
+    /**
+     * Sends an authenticated API request to the path provided.
+     * If the path provided is not an absolute URI, the base API Uri (service-specific) will be used.
+     *
+     * @param string|UriInterface $path
+     * @param string              $method       HTTP method
+     * @param array               $body         Request body if applicable (an associative array will
+     *                                          automatically be converted into a urlencoded body)
+     * @param array               $extraHeaders Extra headers if applicable. These will override service-specific
+     *                                          any defaults.
+     *
+     * @return string
+     */
+    public function request($path, $method = 'GET', $body = null, array $extraHeaders = array());
+
+    /**
+     * Returns the url to redirect to for authorization purposes.
+     *
+     * @param array $additionalParameters
+     *
+     * @return UriInterface
+     */
+    public function getAuthorizationUri(array $additionalParameters = array());
+
+    /**
+     * Returns the authorization API endpoint.
+     *
+     * @return UriInterface
+     */
+    public function getAuthorizationEndpoint();
+
+    /**
+     * Returns the access token API endpoint.
+     *
+     * @return UriInterface
+     */
+    public function getAccessTokenEndpoint();
+}