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phorge/src/applications/oauthserver/controller/token/PhabricatorOAuthServerTokenController.php
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PhabricatorOAuthServerTokenController.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group oauthserver
*/
final class PhabricatorOAuthServerTokenController
extends PhabricatorAuthController {
public function shouldRequireLogin() {
return false;
}
public function processRequest() {
$request = $this->getRequest();
$grant_type = $request->getStr('grant_type');
$code = $request->getStr('code');
$redirect_uri = $request->getStr('redirect_uri');
$client_phid = $request->getStr('client_id');
$client_secret = $request->getStr('client_secret');
$response = new PhabricatorOAuthResponse();
$server = new PhabricatorOAuthServer();
if ($grant_type != 'authorization_code') {
$response->setError('unsupported_grant_type');
$response->setErrorDescription(
'Only grant_type authorization_code is supported.'
);
return $response;
}
if (!$code) {
$response->setError('invalid_request');
$response->setErrorDescription(
'Required parameter code missing.'
);
return $response;
}
if (!$client_phid) {
$response->setError('invalid_request');
$response->setErrorDescription(
'Required parameter client_id missing.'
);
return $response;
}
if (!$client_secret) {
$response->setError('invalid_request');
$response->setErrorDescription(
'Required parameter client_secret missing.'
);
return $response;
}
// one giant try / catch around all the exciting database stuff so we
// can return a 'server_error' response if something goes wrong!
try {
$auth_code = id(new PhabricatorOAuthServerAuthorizationCode())
->loadOneWhere('code = %s',
$code);
if (!$auth_code) {
$response->setError('invalid_grant');
$response->setErrorDescription(
'Authorization code '.$code.' not found.'
);
return $response;
}
// if we have an auth code redirect URI, there must be a redirect_uri
// in the request and it must match the auth code redirect uri *exactly*
$auth_code_redirect_uri = $auth_code->getRedirectURI();
if ($auth_code_redirect_uri) {
$auth_code_redirect_uri = new PhutilURI($auth_code_redirect_uri);
$redirect_uri = new PhutilURI($redirect_uri);
if (!$redirect_uri->getDomain() ||
$redirect_uri != $auth_code_redirect_uri) {
$response->setError('invalid_grant');
$response->setErrorDescription(
'Redirect uri in request must exactly match redirect uri '.
'from authorization code.'
);
return $response;
}
} else if ($redirect_uri) {
$response->setError('invalid_grant');
$response->setErrorDescription(
'Redirect uri in request and no redirect uri in authorization '.
'code. The two must exactly match.'
);
return $response;
}
$client = id(new PhabricatorOAuthServerClient())
->loadOneWhere('phid = %s',
$client_phid);
if (!$client) {
$response->setError('invalid_client');
$response->setErrorDescription(
'Client with client_id '.$client_phid.' not found.'
);
return $response;
}
$server->setClient($client);
$user_phid = $auth_code->getUserPHID();
$user = id(new PhabricatorUser())
->loadOneWhere('phid = %s', $user_phid);
if (!$user) {
$response->setError('invalid_grant');
$response->setErrorDescription(
'User with phid '.$user_phid.' not found.'
);
return $response;
}
$server->setUser($user);
$test_code = new PhabricatorOAuthServerAuthorizationCode();
$test_code->setClientSecret($client_secret);
$test_code->setClientPHID($client_phid);
$is_good_code = $server->validateAuthorizationCode($auth_code,
$test_code);
if (!$is_good_code) {
$response->setError('invalid_grant');
$response->setErrorDescription(
'Invalid authorization code '.$code.'.'
);
return $response;
}
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
$access_token = $server->generateAccessToken();
$auth_code->delete();
unset($unguarded);
$result = array(
'access_token' => $access_token->getToken(),
'token_type' => 'Bearer',
'expires_in' => PhabricatorOAuthServer::ACCESS_TOKEN_TIMEOUT,
);
return $response->setContent($result);
} catch (Exception $e) {
$response->setError('server_error');
$response->setErrorDescription(
'The authorization server encountered an unexpected condition '.
'which prevented it from fulfilling the request.'
);
return $response;
}
}
}

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