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<?php
namespace Zotlabs\Module;
use Zotlabs\Identity\OAuth2Storage;
class Authorize extends \Zotlabs\Web\Controller {
function get() {
if (!local_channel()) {
return login();
} else {
// TODO: Fully implement the dynamic client registration protocol:
// OpenID Connect Dynamic Client Registration 1.0 Client Metadata
// http://openid.net/specs/openid-connect-registration-1_0.html
$app = array(
'name' => (x($_REQUEST, 'client_name') ? urldecode($_REQUEST['client_name']) : t('Unknown App')),
'icon' => (x($_REQUEST, 'logo_uri') ? urldecode($_REQUEST['logo_uri']) : z_root() . '/images/icons/plugin.png'),
'url' => (x($_REQUEST, 'client_uri') ? urldecode($_REQUEST['client_uri']) : ''),
);
$o .= replace_macros(get_markup_template('oauth_authorize.tpl'), array(
'$title' => t('Authorize'),
'$authorize' => sprintf( t('Do you authorize the app %s to access your channel data?'), '<a style="float: none;" href="' . $app['url'] . '">' . $app['name'] . '</a> '),
'$app' => $app,
'$yes' => t('Allow'),
'$no' => t('Deny'),
'$client_id' => (x($_REQUEST, 'client_id') ? $_REQUEST['client_id'] : ''),
'$redirect_uri' => (x($_REQUEST, 'redirect_uri') ? $_REQUEST['redirect_uri'] : ''),
'$state' => (x($_REQUEST, 'state') ? $_REQUEST['state'] : ''),
));
return $o;
}
}
function post() {
if (! local_channel()) {
return;
}
$storage = new OAuth2Storage(\DBA::$dba->db);
$s = new \Zotlabs\Identity\OAuth2Server($storage);
// TODO: The automatic client registration protocol below should adhere more
// closely to "OAuth 2.0 Dynamic Client Registration Protocol" defined
// at https://tools.ietf.org/html/rfc7591
// If no client_id was provided, generate a new one.
if (x($_POST, 'client_id')) {
$client_id = $_POST['client_id'];
} else {
$client_id = $_POST['client_id'] = random_string(16);
}
// If no redirect_uri was provided, generate a fake one.
if (x($_POST, 'redirect_uri')) {
$redirect_uri = $_POST['redirect_uri'];
} else {
$redirect_uri = $_POST['redirect_uri'] = 'https://fake.example.com/oauth';
}
$request = \OAuth2\Request::createFromGlobals();
$response = new \OAuth2\Response();
// Note, "sub" field must match type and content. $user_id is used to populate - make sure it's a string.
$channel = channelx_by_n(local_channel());
$user_id = $channel["channel_id"];
// If the client is not registered, add to the database
if (!$client = $storage->getClientDetails($client_id)) {
// Until "Dynamic Client Registration" is pursued - allow new clients to assign their own secret in the REQUEST
$client_secret = (isset($_REQUEST["client_secret"])) ? $_REQUEST["client_secret"] : random_string(16);
// Client apps are registered per channel
$storage->setClientDetails($client_id, $client_secret, $redirect_uri, 'authorization_code', urldecode($_REQUEST["scope"]), $user_id);
}
if (!$client = $storage->getClientDetails($client_id)) {
// There was an error registering the client.
$response->send();
killme();
}
$response->setParameter('client_secret', $client['client_secret']);
// validate the authorize request
if (!$s->validateAuthorizeRequest($request, $response)) {
$response->send();
killme();
}
// print the authorization code if the user has authorized your client
$is_authorized = ($_POST['authorize'] === 'allow');
$s->handleAuthorizeRequest($request, $response, $is_authorized, $user_id);
if ($is_authorized) {
$code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=') + 5, 40);
logger('Authorization Code: ' . $code);
}
$response->send();
killme();
}
}
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