/**
* We are going to implement a subset of the OAuth 1.0a functionality for now,
* and later we can expand it to match the full OAuth specification.
*/
function Users_authorize_response()
{
if (Q_Response::getErrors()) {
Q_Dispatcher::showErrors();
}
$response_type = 'token';
$token_type = 'bearer';
$client_id = $_REQUEST['client_id'];
$state = $_REQUEST['state'];
$skip = Q::ifset($_REQUEST, 'skip', false);
$scope = Users_OAuth::requestedScope(true, $scopes);
$client = Users_User::fetch($client_id, true);
if (!$client) {
throw new Q_Exception_MissingRow(array('table' => 'client user', 'criteria' => "id = '{$client_id}'"), 'client_id');
}
if (empty($client->url)) {
throw new Q_Exception("Client app needs to register url", 'client_id');
}
$redirect_uri = Q::ifset($_REQUEST, 'redirect_uri', $client->url);
$user = Users::loggedInUser();
$oa = null;
if (isset(Users::$cache['oAuth'])) {
$oa = Users::$cache['oAuth'];
} else {
if ($user) {
$oa = new Users_OAuth();
$oa->client_id = $client_id;
$oa->userId = $user->id;
$oa->state = $state;
$oa = $oa->retrieve();
}
}
$remaining = $scope;
if ($oa and $oa->wasRetrieved()) {
// User is logged in and already has a token for this client_id and state
$paths = Q_Config::get('Users', 'authorize', 'clients', Q::app(), 'redirectPaths', false);
$path = substr($redirect_uri, strlen($client->url) + 1);
$p = array('response_type' => $response_type, 'token_type' => $token_type, 'access_token' => $oa->access_token, 'expires_in' => $oa->token_expires_seconds, 'scope' => implode(' ', $scope), 'state' => $oa->state);
$p = Q_Utils::sign($p, 'Q.Users.oAuth');
// the redirect uri could be a native app url scheme
$s = strpos($redirect_uri, '#') === false ? '#' : '&';
$redirect_uri = Q_Uri::from($redirect_uri . $s . http_build_query($p), false)->toUrl();
if (!Q::startsWith($redirect_uri, $client->url) or is_array($paths) and !in_array($path, $paths)) {
throw new Users_Exception_Redirect(array('uri' => $redirect_uri));
}
Q_Response::redirect($redirect_uri);
return false;
}
$terms_label = Users::termsLabel('authorize');
Q_Response::setScriptData('Q.Users.authorize', compact('client_id', 'redirect_uri', 'scope', 'scopes', 'remaining', 'state', 'response_type', 'skip'));
$content = Q::view('Users/content/authorize.php', compact('client', 'user', 'redirect_uri', 'scope', 'scopes', 'remaining', 'state', 'terms_label', 'response_type', 'skip'));
Q_Response::setSlot('content', $content);
Q_Response::setSlot('column0', $content);
return true;
}
function Users_authorize_post()
{
if (empty($_REQUEST['authorize'])) {
return null;
}
// If we are here, the logged-in user requested to authorize the client
$terms_uri = Q_Config::get('Users', 'authorize', 'terms', 'uri', null);
$terms_label = Q_Config::get('Users', 'authorize', 'terms', 'label', null);
$terms_title = Q_Config::get('Users', 'authorize', 'terms', 'title', null);
if ($terms_uri and $terms_title and $terms_label) {
if (empty($_REQUEST['agree'])) {
throw new Q_Exception("First you must agree to the {$terms_title}", 'agree');
}
}
$user = Users::loggedInUser(true);
$client_id = $_REQUEST['client_id'];
$redirect_url = $_REQUEST['redirect_uri'];
$state = $_REQUEST['state'];
$scope = implode(' ', Users_OAuth::requestedScope(true));
$oa = new Users_OAuth();
$oa->client_id = $client_id;
$oa->userId = $user->id;
$oa->state = $state;
if ($oa->retrieve()) {
if ($oa->scope !== $scope || $oa->redirect_uri !== $redirect_url) {
throw new Q_Exception("Different parameters were requested with the same state string before", 'state');
}
Users::$cache['oAuth'] = $oa;
return;
}
$duration_name = Q_Config::expect('Users', 'authorize', 'duration');
$duration = Q_Config::expect('Q', 'session', 'durations', $duration_name);
$access_token = Users::copyToNewSession($duration);
$oa->scope = $scope;
$oa->redirect_uri = $redirect_url;
// just saving it
$oa->access_token = $access_token;
// the session token
$oa->token_expires_seconds = $duration;
// session actually expires after $duration seconds of inactivity
$oa->save();
Q::event('Users/authorize/success', array('oAuth' => $oa, 'duration' => $duration), 'after');
Users::$cache['oAuth'] = $oa;
}