[feature/oauth] Start implementing login

PHPBB3-11673

phpBB/includes/auth/provider/oauth.php

@@ -15,6 +15,9 @@ if (!defined('IN_PHPBB'))
 	exit;
 }
 
+use OAuth\Common\Consumer\Credentials;
+use OAuth\Common\Http\Uri\Uri;
+
 /**
 * OAuth authentication provider for phpBB3
 *
@@ -43,6 +46,51 @@ class phpbb_auth_provider_oauth extends phpbb_auth_provider_base
 	*/
 	public function login($username, $password)
 	{
+		if (!$this->request->is_set_post('oauth_service'))
+		{
+			return array(
+				'status'		=> LOGIN_ERROR_EXTERNAL_AUTH,
+				'error_msg'		=> 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
+				'user_row'		=> array('user_id' => ANONYMOUS),
+			);
+		}
 
+		$serviceFactory = new \OAuth\ServiceFactory();
+		$uriFactory = new \OAuth\Common\Http\Uri\UriFactory();
+		$currentUri = $uriFactory->createFromSuperGlobalArray((array)$_SERVER);
+		$currentUri->setQuery('');
+
+		// In-memory storage
+		$storage = new Memory();
+
+		// Setup the credentials for the requests
+		$credentials = new Credentials(
+			$servicesCredentials['github']['key'],
+			$servicesCredentials['github']['secret'],
+			$currentUri->getAbsoluteUri()
+		);
+
+		if ($this->request->is_set('code', phpbb_request_interface::GET))
+		{
+			// Second pass: request access token, authenticate with phpBB
+		} else {
+			// First pass: get authorization uri, redirect to service
+		}
+	}
+
+	/**
+	*
+	*/
+	protected function get_service_credentials($service)
+	{
+		return $service_credentials[$service];
+	}
+
+	/**
+	*
+	*/
+	public function get_credentials()
+	{
+		return array();
 	}
 }