mirror of
https://github.com/elyby/oauth2-server.git
synced 2024-12-17 10:39:45 +05:30
260 lines
9.9 KiB
PHP
260 lines
9.9 KiB
PHP
<?php
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/**
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* OAuth 2.0 Auth code grant
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*
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* @package php-loep/oauth2-server
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* @author Alex Bilbie <hello@alexbilbie.com>
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* @copyright Copyright (c) 2013 PHP League of Extraordinary Packages
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* @license http://mit-license.org/
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* @link http://github.com/php-loep/oauth2-server
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*/
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namespace League\OAuth2\Server\Grant;
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use League\OAuth2\Server\Request;
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use League\OAuth2\Server\Authorization;
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use League\OAuth2\Server\Exception;
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use League\OAuth2\Server\Util\SecureKey;
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use League\OAuth2\Server\Storage\SessionInterface;
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use League\OAuth2\Server\Storage\ClientInterface;
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use League\OAuth2\Server\Storage\ScopeInterface;
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/**
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* Auth code grant class
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*/
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class AuthCode implements GrantTypeInterface {
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use GrantTrait;
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/**
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* Grant identifier
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* @var string
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*/
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protected $identifier = 'authorization_code';
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/**
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* Response type
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* @var string
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*/
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protected $responseType = 'code';
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/**
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* AuthServer instance
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* @var AuthServer
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*/
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protected $authServer = null;
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/**
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* Access token expires in override
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* @var int
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*/
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protected $accessTokenTTL = null;
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/**
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* The TTL of the auth token
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* @var integer
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*/
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protected $authTokenTTL = 600;
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/**
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* Override the default access token expire time
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* @param int $authTokenTTL
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* @return void
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*/
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public function setAuthTokenTTL($authTokenTTL)
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{
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$this->authTokenTTL = $authTokenTTL;
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}
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/**
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* Check authorise parameters
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*
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* @param array $inputParams Optional array of parsed $_GET keys
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* @throws \OAuth2\Exception\ClientException
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* @return array Authorise request parameters
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*/
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public function checkAuthoriseParams($inputParams = array())
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{
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// Auth params
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$authParams = $this->authServer->getParam(array('client_id', 'redirect_uri', 'response_type', 'scope', 'state'), 'get', $inputParams);
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if (is_null($authParams['client_id'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'client_id'), 0);
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}
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if (is_null($authParams['redirect_uri'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'redirect_uri'), 0);
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}
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if ($this->authServer->stateParamRequired() === true && is_null($authParams['state'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'state'), 0);
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}
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// Validate client ID and redirect URI
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$clientDetails = $this->authServer->getStorage('client')->getClient($authParams['client_id'], null, $authParams['redirect_uri'], $this->identifier);
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if ($clientDetails === false) {
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throw new Exception\ClientException($this->authServer->getExceptionMessage('invalid_client'), 8);
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}
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$authParams['client_details'] = $clientDetails;
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if (is_null($authParams['response_type'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'response_type'), 0);
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}
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// Ensure response type is one that is recognised
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if ( ! in_array($authParams['response_type'], $this->authServer->getResponseTypes())) {
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throw new Exception\ClientException($this->authServer->getExceptionMessage('unsupported_response_type'), 3);
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}
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// Validate scopes
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$scopes = explode($this->authServer->getScopeDelimeter(), $authParams['scope']);
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for ($i = 0; $i < count($scopes); $i++) {
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$scopes[$i] = trim($scopes[$i]);
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if ($scopes[$i] === '') unset($scopes[$i]); // Remove any junk scopes
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}
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if ($this->authServer->scopeParamRequired() === true && $this->authServer->getDefaultScope() === null && count($scopes) === 0) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'scope'), 0);
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} elseif (count($scopes) === 0 && $this->authServer->getDefaultScope() !== null) {
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if (is_array($this->authServer->getDefaultScope())) {
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$scopes = $this->authServer->getDefaultScope();
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} else {
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$scopes = array($this->authServer->getDefaultScope());
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}
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}
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$authParams['scopes'] = array();
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foreach ($scopes as $scope) {
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$scopeDetails = $this->authServer->getStorage('scope')->getScope($scope, $authParams['client_id'], $this->identifier);
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if ($scopeDetails === false) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_scope'), $scope), 4);
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}
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$authParams['scopes'][] = $scopeDetails;
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}
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return $authParams;
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}
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/**
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* Parse a new authorise request
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*
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* @param string $type The session owner's type
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* @param string $typeId The session owner's ID
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* @param array $authParams The authorise request $_GET parameters
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* @return string An authorisation code
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*/
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public function newAuthoriseRequest($type, $typeId, $authParams = array())
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{
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// Generate an auth code
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$authCode = SecureKey::make();
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// Remove any old sessions the user might have
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$this->authServer->getStorage('session')->deleteSession($authParams['client_id'], $type, $typeId);
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// Create a new session
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$sessionId = $this->authServer->getStorage('session')->createSession($authParams['client_id'], $type, $typeId);
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// Associate a redirect URI
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$this->authServer->getStorage('session')->associateRedirectUri($sessionId, $authParams['redirect_uri']);
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// Associate the auth code
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$authCodeId = $this->authServer->getStorage('session')->associateAuthCode($sessionId, $authCode, time() + $this->authTokenTTL);
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// Associate the scopes to the auth code
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foreach ($authParams['scopes'] as $scope) {
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$this->authServer->getStorage('session')->associateAuthCodeScope($authCodeId, $scope['id']);
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}
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return $authCode;
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}
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/**
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* Complete the auth code grant
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* @param null|array $inputParams
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* @return array
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*/
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public function completeFlow($inputParams = null)
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{
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// Get the required params
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$authParams = $this->authServer->getParam(array('client_id', 'client_secret', 'redirect_uri', 'code'), 'post', $inputParams);
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if (is_null($authParams['client_id'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'client_id'), 0);
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}
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if (is_null($authParams['client_secret'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'client_secret'), 0);
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}
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if (is_null($authParams['redirect_uri'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'redirect_uri'), 0);
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}
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// Validate client ID and redirect URI
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$clientDetails = $this->authServer->getStorage('client')->getClient($authParams['client_id'], $authParams['client_secret'], $authParams['redirect_uri'], $this->identifier);
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if ($clientDetails === false) {
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throw new Exception\ClientException($this->authServer->getExceptionMessage('invalid_client'), 8);
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}
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$authParams['client_details'] = $clientDetails;
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// Validate the authorization code
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if (is_null($authParams['code'])) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_request'), 'code'), 0);
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}
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// Verify the authorization code matches the client_id and the request_uri
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$authCodeDetails = $this->authServer->getStorage('session')->validateAuthCode($authParams['client_id'], $authParams['redirect_uri'], $authParams['code']);
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if ( ! $authCodeDetails) {
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throw new Exception\ClientException(sprintf($this->authServer->getExceptionMessage('invalid_grant'), 'code'), 9);
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}
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// Get any associated scopes
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$scopes = $this->authServer->getStorage('session')->getAuthCodeScopes($authCodeDetails['authcode_id']);
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// A session ID was returned so update it with an access token and remove the authorisation code
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$accessToken = SecureKey::make();
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$accessTokenExpiresIn = ($this->accessTokenTTL !== null) ? $this->accessTokenTTL : $this->authServer->getAccessTokenTTL();
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$accessTokenExpires = time() + $accessTokenExpiresIn;
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// Remove the auth code
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$this->authServer->getStorage('session')->removeAuthCode($authCodeDetails['session_id']);
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// Create an access token
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$accessTokenId = $this->authServer->getStorage('session')->associateAccessToken($authCodeDetails['session_id'], $accessToken, $accessTokenExpires);
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// Associate scopes with the access token
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if (count($scopes) > 0) {
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foreach ($scopes as $scope) {
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$this->authServer->getStorage('session')->associateScope($accessTokenId, $scope['scope_id']);
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}
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}
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$response = array(
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'access_token' => $accessToken,
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'token_type' => 'Bearer',
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'expires' => $accessTokenExpires,
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'expires_in' => $accessTokenExpiresIn
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);
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// Associate a refresh token if set
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if ($this->authServer->hasGrantType('refresh_token')) {
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$refreshToken = SecureKey::make();
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$refreshTokenTTL = time() + $this->authServer->getGrantType('refresh_token')->getRefreshTokenTTL();
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$this->authServer->getStorage('session')->associateRefreshToken($accessTokenId, $refreshToken, $refreshTokenTTL, $authParams['client_id']);
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$response['refresh_token'] = $refreshToken;
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}
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return $response;
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}
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}
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