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phab/src/applications/oauthserver/controller/PhabricatorOAuthServerTokenController.php
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PhabricatorOAuthServerTokenController.php
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<?php
final class PhabricatorOAuthServerTokenController
extends PhabricatorOAuthServerController {
public function shouldRequireLogin() {
return false;
}
public function shouldAllowRestrictedParameter($parameter_name) {
if ($parameter_name == 'code') {
return true;
}
return parent::shouldAllowRestrictedParameter($parameter_name);
}
public function handleRequest(AphrontRequest $request) {
$grant_type = $request->getStr('grant_type');
$code = $request->getStr('code');
$redirect_uri = $request->getStr('redirect_uri');
$response = new PhabricatorOAuthResponse();
$server = new PhabricatorOAuthServer();
$client_id_parameter = $request->getStr('client_id');
$client_id_header = idx($_SERVER, 'PHP_AUTH_USER');
if (strlen($client_id_parameter) && strlen($client_id_header)) {
if ($client_id_parameter !== $client_id_header) {
throw new Exception(
pht(
'Request included a client_id parameter and an "Authorization" '.
'header with a username, but the values "%s" and "%s") disagree. '.
'The values must match.',
$client_id_parameter,
$client_id_header));
}
}
$client_secret_parameter = $request->getStr('client_secret');
$client_secret_header = idx($_SERVER, 'PHP_AUTH_PW');
if (strlen($client_secret_parameter)) {
// If the `client_secret` parameter is present, prefer parameters.
$client_phid = $client_id_parameter;
$client_secret = $client_secret_parameter;
} else {
// Otherwise, read values from the "Authorization" header.
$client_phid = $client_id_header;
$client_secret = $client_secret_header;
}
if ($grant_type != 'authorization_code') {
$response->setError('unsupported_grant_type');
$response->setErrorDescription(
pht(
'Only %s %s is supported.',
'grant_type',
'authorization_code'));
return $response;
}
if (!$code) {
$response->setError('invalid_request');
$response->setErrorDescription(pht('Required parameter code missing.'));
return $response;
}
if (!$client_phid) {
$response->setError('invalid_request');
$response->setErrorDescription(
pht(
'Required parameter %s missing.',
'client_id'));
return $response;
}
if (!$client_secret) {
$response->setError('invalid_request');
$response->setErrorDescription(
pht(
'Required parameter %s missing.',
'client_secret'));
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(
pht(
'Authorization code %s not found.',
$code));
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(
pht(
'Redirect URI in request must exactly match redirect URI '.
'from authorization code.'));
return $response;
}
} else if ($redirect_uri) {
$response->setError('invalid_grant');
$response->setErrorDescription(
pht(
'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(
pht(
'Client with %s %s not found.',
'client_id',
$client_phid));
return $response;
}
if ($client->getIsDisabled()) {
$response->setError('invalid_client');
$response->setErrorDescription(
pht(
'OAuth application "%s" has been disabled.',
$client->getName()));
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(
pht(
'User with PHID %s not found.',
$user_phid));
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(
pht(
'Invalid authorization code %s.',
$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',
);
return $response->setContent($result);
} catch (Exception $e) {
$response->setError('server_error');
$response->setErrorDescription(
pht(
'The authorization server encountered an unexpected condition '.
'which prevented it from fulfilling the request.'));
return $response;
}
}
}
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