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mirror of https://github.com/phpbb/phpbb.git synced 2025-02-26 04:52:36 +01:00
2013-07-23 19:27:55 -04:00

320 lines
8.8 KiB
PHP

<?php
/**
*
* @package auth
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
use OAuth\Common\Consumer\Credentials;
use OAuth\Common\Http\Uri\Uri;
/**
* OAuth authentication provider for phpBB3
*
* @package auth
*/
class phpbb_auth_provider_oauth extends phpbb_auth_provider_base
{
/**
* Database driver
*
* @var phpbb_db_driver
*/
protected $db;
/**
* phpBB config
*
* @var phpbb_config
*/
protected $config;
/**
* phpBB request object
*
* @var phpbb_request
*/
protected $request;
/**
* phpBB user
*
* @var phpbb_user
*/
protected $user;
/**
* OAuth token table
*
* @var string
*/
protected $auth_provider_oauth_token_storage_table;
/**
* OAuth account association table
*
* @var string
*/
protected $auth_provider_oauth_token_account_assoc;
/**
* All OAuth service providers
*
* @var phpbb_di_service_collection Contains phpbb_auth_provider_oauth_service_interface
*/
protected $service_providers;
/**
* Cached current uri object
*
* @var \OAuth\Common\Http\Uri\UriInterface|null
*/
protected $current_uri;
/**
* OAuth Authentication Constructor
*
* @param phpbb_db_driver $db
* @param phpbb_config $config
* @param phpbb_request $request
* @param phpbb_user $user
* @param string $auth_provider_oauth_token_storage_table
* @param string $auth_provider_oauth_token_account_assoc
* @param phpbb_di_service_collection $service_providers Contains phpbb_auth_provider_oauth_service_interface
*/
public function __construct(phpbb_db_driver $db, phpbb_config $config, phpbb_request $request, phpbb_user $user, $auth_provider_oauth_token_storage_table, $auth_provider_oauth_token_account_assoc, phpbb_di_service_collection $service_providers)
{
$this->db = $db;
$this->config = $config;
$this->request = $request;
$this->user = $user;
$this->auth_provider_oauth_token_storage_table = $auth_provider_oauth_token_storage_table;
$this->auth_provider_oauth_token_account_assoc = $auth_provider_oauth_token_account_assoc;
$this->service_providers = $service_providers;
}
/**
* {@inheritdoc}
*/
public function init()
{
// This does not test whether or not the key and secret provided are valid.
foreach ($this->service_providers as $service_provider)
{
$credentials = $service_provider->get_service_credentials();
if (($credentials['key'] && !$credentials['secret']) || (!$credentials['key'] && $credentials['secret']))
{
return $this->user->lang['AUTH_PROVIDER_OAUTH_ERROR_ELEMENT_MISSING'];
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function login($username, $password)
{
// Temporary workaround for only having one authentication provider available
if (!$this->request->is_set_post('oauth_service'))
{
// TODO: Remove before merging
global $phpbb_root_path, $phpEx;
$provider = new phpbb_auth_provider_db($this->db, $this->config, $this->request, $this->user, $phpbb_root_path, $phpEx);
return $provider->login($username, $password);
}
// Requst the name of the OAuth service
$service_name = $this->request->variable('oauth_service', '', false, phpbb_request_interface::POST);
$service_name = strtolower($service_name);
if ($service_name === '' || !array_key_exists($service_name, $this->service_providers))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_OAUTH_SERVICE_DOES_NOT_EXIST',
'user_row' => array('user_id' => ANONYMOUS),
);
}
// Get the service credentials for the given service
$service_credentials = $this->service_providers[$service_name]->get_credentials();
$storage = new phpbb_auth_provider_oauth_token_storage($this->db, $this->user, $service_name, $this->auth_provider_oauth_token_storage_table);
$service = $this->get_service($service_name, $storage, $service_credentials, $this->service_providers[$service_name]->get_auth_scope());
if ($this->request->is_set('code', phpbb_request_interface::GET))
{
$this->service_providers[$service_name]->set_external_service_provider($service);
$unique_id = $this->service_providers[$service_name]->perform_auth_login();
// Check to see if this provider is already assosciated with an account
$data = array(
'oauth_provider' => $service_name,
'oauth_provider_id' => $unique_id
);
$sql = 'SELECT user_id FROM' . $this->auth_provider_oauth_token_account_assoc . '
WHERE ' . $this->db->sql_build_array('SELECT', $data);
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (!$row)
{
// Account not tied to any existing account
// TODO: determine action that should occur
}
// Retrieve the user's account
$sql = 'SELECT user_id, username, user_password, user_passchg, user_pass_convert, user_email, user_type, user_login_attempts
FROM ' . USERS_TABLE . "
WHERE user_id = '" . $this->db->sql_escape($row['user_id']) . "'";
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (!$row)
{
// TODO: Update exception type and change it to language constant
throw new Exception('Invalid entry in ' . $this->auth_provider_oauth_token_account_assoc);
}
// The user is now authenticated and can be logged in
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
} else {
$url = $service->getAuthorizationUri();
// TODO: modify $url for the appropriate return points
header('Location: ' . $url);
}
}
/**
* Returns the cached current_uri object or creates and caches it if it is
* not already created
*
* @return \OAuth\Common\Http\Uri\UriInterface
*/
protected function get_current_uri()
{
if ($this->current_uri)
{
return $this->current_uri;
}
$uri_factory = new \OAuth\Common\Http\Uri\UriFactory();
$current_uri = $uri_factory->createFromSuperGlobalArray($this->request->get_super_global(phpbb_request_interface::SERVER));
$current_uri->setQuery('');
$this->current_uri = $current_uri;
return $current_uri;
}
/**
* Returns the cached service object or creates a new one
*
* @param string $service_name The name of the service
* @param phpbb_auth_oauth_token_storage $storage
* @param array $service_credentials {@see phpbb_auth_provider_oauth::get_service_credentials}
* @param array $scope The scope of the request against
* the api.
* @return \OAuth\Common\Service\ServiceInterface
*/
protected function get_service($service_name, phpbb_auth_oauth_token_storage $storage, array $service_credentials, array $scopes = array())
{
$current_uri = $this->get_current_uri();
// Setup the credentials for the requests
$credentials = new Credentials(
$service_credentials['key'],
$service_credentials['secret'],
$current_uri->getAbsoluteUri()
);
$service_factory = new \OAuth\ServiceFactory();
return $service_factory->createService($service_name, $credentials, $storage, $scopes);
}
/**
* Returns an array of login data for all enabled OAuth services.
*
* @return array
*/
public function get_login_data()
{
$login_data = array();
foreach ($this->service_providers as $service_name => $service_provider)
{
// Only include data if the credentials are set
$credentials = $service_provider->get_service_credentials();
if ($credentials['key'] && $credentials['secret'])
{
$login_data[$service_provider] = array();
// Build the redirect url for the box
$redirect_url = build_url(false) . '&oauth_service=' . $service_name;
$login_data[$service_provider]['url'] = redirect($redirect_url, true);
}
}
return $login_data;
}
/**
* {@inheritdoc}
*/
public function acp()
{
$ret = array();
foreach ($this->service_providers as $service_name => $service_provider)
{
$actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);
$ret[] = 'auth_oauth_' . $actual_name . '_key';
$ret[] = 'auth_oauth_' . $actual_name . '_secret';
}
return $ret;
}
/**
* {@inheritdoc}
*/
public function get_acp_template($new_config)
{
$ret = array(
'BLOCK_VAR_NAME' => 'oauth_services',
'BLOCK_VARS' => array(),
'TEMPLATE_FILE' => 'auth_provider_oauth.html',
'TEMPLATE_VARS' => array(),
);
foreach ($this->service_providers as $service_name => $service_provider)
{
$actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);
$ret['BLOCK_VARS'][$actual_name] = array(
'ACTUAL_NAME' => $this->user->lang['AUTH_PROVIDER_OAUTH_SERVICE_' . strtoupper($actual_name)],
'KEY' => $new_config['auth_oauth_' . $actual_name . '_key'],
'NAME' => $actual_name,
'SECRET' => $new_config['auth_oauth_' . $actual_name . '_secret'],
);
}
return $ret;
}
}