<?php
namespace OAuth2\Storage;
use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
/**
* Simple MongoDB storage for all storage types
*
* NOTE: This class is meant to get users started
* quickly. If your application requires further
* customization, extend this class or create your own.
*
* NOTE: Passwords are stored in plaintext, which is never
* a good idea. Be sure to override this for your application
*
* @author Julien Chaumond <chaumond@gmail.com>
*/
class Mongo implements AuthorizationCodeInterface,
AccessTokenInterface,
ClientCredentialsInterface,
UserCredentialsInterface,
RefreshTokenInterface,
JwtBearerInterface,
PublicKeyInterface,
OpenIDAuthorizationCodeInterface
{
protected $db;
protected $config;
public function __construct($connection, $config = array())
{
if ($connection instanceof \MongoDB) {
$this->db = $connection;
} else {
if (!is_array($connection)) {
throw new \InvalidArgumentException('First argument to OAuth2\Storage\Mongo must be an instance of MongoDB or a configuration array');
}
$server = sprintf('mongodb://%s:%d', $connection['host'], $connection['port']);
$m = new \MongoClient($server);
$this->db = $m->{$connection['database']};
}
$this->config = array_merge(array(
'client_table' => 'oauth_clients',
'access_token_table' => 'oauth_access_tokens',
'refresh_token_table' => 'oauth_refresh_tokens',
'code_table' => 'oauth_authorization_codes',
'user_table' => 'oauth_users',
'key_table' => 'oauth_keys',
'jwt_table' => 'oauth_jwt',
), $config);
}
// Helper function to access a MongoDB collection by `type`:
protected function collection($name)
{
return $this->db->{$this->config[$name]};
}
/* ClientCredentialsInterface */
public function checkClientCredentials($client_id, $client_secret = null)
{
if ($result = $this->collection('client_table')->findOne(array('client_id' => $client_id))) {
return $result['client_secret'] == $client_secret;
}
return false;
}
public function isPublicClient($client_id)
{
if (!$result = $this->collection('client_table')->findOne(array('client_id' => $client_id))) {
return false;
}
return empty($result['client_secret']);
}
/* ClientInterface */
public function getClientDetails($client_id)
{
$result = $this->collection('client_table')->findOne(array('client_id' => $client_id));
return is_null($result) ? false : $result;
}
public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
{
if ($this->getClientDetails($client_id)) {
$this->collection('client_table')->update(
array('client_id' => $client_id),
array('$set' => array(
'client_secret' => $client_secret,
'redirect_uri' => $redirect_uri,
'grant_types' => $grant_types,
'scope' => $scope,
'user_id' => $user_id,
))
);
} else {
$client = array(
'client_id' => $client_id,
'client_secret' => $client_secret,
'redirect_uri' => $redirect_uri,
'grant_types' => $grant_types,
'scope' => $scope,
'user_id' => $user_id,
);
$this->collection('client_table')->insert($client);
}
return true;
}
public function checkRestrictedGrantType($client_id, $grant_type)
{
$details = $this->getClientDetails($client_id);
if (isset($details['grant_types'])) {
$grant_types = explode(' ', $details['grant_types']);
return in_array($grant_type, $grant_types);
}
// if grant_types are not defined, then none are restricted
return true;
}
/* AccessTokenInterface */
public function getAccessToken($access_token)
{
$token = $this->collection('access_token_table')->findOne(array('access_token' => $access_token));
return is_null($token) ? false : $token;
}
public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
{
// if it exists, update it.
if ($this->getAccessToken($access_token)) {
$this->collection('access_token_table')->update(
array('access_token' => $access_token),
array('$set' => array(
'client_id' => $client_id,
'expires' => $expires,
'user_id' => $user_id,
'scope' => $scope
))
);
} else {
$token = array(
'access_token' => $access_token,
'client_id' => $client_id,
'expires' => $expires,
'user_id' => $user_id,
'scope' => $scope
);
$this->collection('access_token_table')->insert($token);
}
return true;
}
public function unsetAccessToken($access_token)
{
$result = $this->collection('access_token_table')->remove(array(
'access_token' => $access_token
), array('w' => 1));
return $result['n'] > 0;
}
/* AuthorizationCodeInterface */
public function getAuthorizationCode($code)
{
$code = $this->collection('code_table')->findOne(array('authorization_code' => $code));
return is_null($code) ? false : $code;
}
public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null, $code_challenge = null, $code_challenge_method = null)
{
// if it exists, update it.
if ($this->getAuthorizationCode($code)) {
$this->collection('code_table')->update(
array('authorization_code' => $code),
array('$set' => array(
'client_id' => $client_id,
'user_id' => $user_id,
'redirect_uri' => $redirect_uri,
'expires' => $expires,
'scope' => $scope,
'id_token' => $id_token,
'code_challenge' => $code_challenge,
'code_challenge_method' => $code_challenge_method,
))
);
} else {
$token = array(
'authorization_code' => $code,
'client_id' => $client_id,
'user_id' => $user_id,
'redirect_uri' => $redirect_uri,
'expires' => $expires,
'scope' => $scope,
'id_token' => $id_token,
'code_challenge' => $code_challenge,
'code_challenge_method' => $code_challenge_method,
);
$this->collection('code_table')->insert($token);
}
return true;
}
public function expireAuthorizationCode($code)
{
$this->collection('code_table')->remove(array('authorization_code' => $code));
return true;
}
/* UserCredentialsInterface */
public function checkUserCredentials($username, $password)
{
if ($user = $this->getUser($username)) {
return $this->checkPassword($user, $password);
}
return false;
}
public function getUserDetails($username)
{
if ($user = $this->getUser($username)) {
$user['user_id'] = $user['username'];
}
return $user;
}
/* RefreshTokenInterface */
public function getRefreshToken($refresh_token)
{
$token = $this->collection('refresh_token_table')->findOne(array('refresh_token' => $refresh_token));
return is_null($token) ? false : $token;
}
public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
{
$token = array(
'refresh_token' => $refresh_token,
'client_id' => $client_id,
'user_id' => $user_id,
'expires' => $expires,
'scope' => $scope
);
$this->collection('refresh_token_table')->insert($token);
return true;
}
public function unsetRefreshToken($refresh_token)
{
$result = $this->collection('refresh_token_table')->remove(array(
'refresh_token' => $refresh_token
), array('w' => 1));
return $result['n'] > 0;
}
// plaintext passwords are bad! Override this for your application
protected function checkPassword($user, $password)
{
return $user['password'] == $password;
}
public function getUser($username)
{
$result = $this->collection('user_table')->findOne(array('username' => $username));
return is_null($result) ? false : $result;
}
public function setUser($username, $password, $firstName = null, $lastName = null)
{
if ($this->getUser($username)) {
$this->collection('user_table')->update(
array('username' => $username),
array('$set' => array(
'password' => $password,
'first_name' => $firstName,
'last_name' => $lastName
))
);
} else {
$user = array(
'username' => $username,
'password' => $password,
'first_name' => $firstName,
'last_name' => $lastName
);
$this->collection('user_table')->insert($user);
}
return true;
}
public function getClientKey($client_id, $subject)
{
$result = $this->collection('jwt_table')->findOne(array(
'client_id' => $client_id,
'subject' => $subject
));
return is_null($result) ? false : $result['key'];
}
public function getClientScope($client_id)
{
if (!$clientDetails = $this->getClientDetails($client_id)) {
return false;
}
if (isset($clientDetails['scope'])) {
return $clientDetails['scope'];
}
return null;
}
public function getJti($client_id, $subject, $audience, $expiration, $jti)
{
//TODO: Needs mongodb implementation.
throw new \Exception('getJti() for the MongoDB driver is currently unimplemented.');
}
public function setJti($client_id, $subject, $audience, $expiration, $jti)
{
//TODO: Needs mongodb implementation.
throw new \Exception('setJti() for the MongoDB driver is currently unimplemented.');
}
public function getPublicKey($client_id = null)
{
if ($client_id) {
$result = $this->collection('key_table')->findOne(array(
'client_id' => $client_id
));
if ($result) {
return $result['public_key'];
}
}
$result = $this->collection('key_table')->findOne(array(
'client_id' => null
));
return is_null($result) ? false : $result['public_key'];
}
public function getPrivateKey($client_id = null)
{
if ($client_id) {
$result = $this->collection('key_table')->findOne(array(
'client_id' => $client_id
));
if ($result) {
return $result['private_key'];
}
}
$result = $this->collection('key_table')->findOne(array(
'client_id' => null
));
return is_null($result) ? false : $result['private_key'];
}
public function getEncryptionAlgorithm($client_id = null)
{
if ($client_id) {
$result = $this->collection('key_table')->findOne(array(
'client_id' => $client_id
));
if ($result) {
return $result['encryption_algorithm'];
}
}
$result = $this->collection('key_table')->findOne(array(
'client_id' => null
));
return is_null($result) ? 'RS256' : $result['encryption_algorithm'];
}
}
