mirror of https://github.com/friendica/friendica
102 lines
3.0 KiB
PHP
102 lines
3.0 KiB
PHP
<?php
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namespace Friendica\Module\Security;
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use Friendica\App\Authentication;
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use Friendica\App\BaseURL;
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use Friendica\BaseModule;
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use Friendica\Core\Config\Configuration;
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use Friendica\Core\L10n\L10n;
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use Friendica\Core\Session\ISession;
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use Friendica\Database\Database;
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use Friendica\Util\Strings;
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use LightOpenID;
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use Psr\Log\LoggerInterface;
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/**
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* Performs an login with OpenID
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*/
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class OpenID extends BaseModule
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{
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public static function content(array $parameters = [])
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{
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/** @var Configuration $config */
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$config = self::getClass(Configuration::class);
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/** @var BaseURL $baseUrl */
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$baseUrl = self::getClass(BaseURL::class);
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if ($config->get('system', 'no_openid')) {
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$baseUrl->redirect();
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}
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/** @var LoggerInterface $logger */
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$logger = self::getClass(LoggerInterface::class);
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$logger->debug('mod_openid.', ['request' => $_REQUEST]);
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/** @var ISession $session */
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$session = self::getClass(ISession::class);
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if (!empty($_GET['openid_mode']) && !empty($session->get('openid'))) {
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$openid = new LightOpenID($baseUrl->getHostname());
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/** @var L10n $l10n */
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$l10n = self::getClass(L10n::class);
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if ($openid->validate()) {
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$authId = $openid->data['openid_identity'];
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if (empty($authId)) {
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$logger->info($l10n->t('OpenID protocol error. No ID returned'));
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$baseUrl->redirect();
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}
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// NOTE: we search both for normalised and non-normalised form of $authid
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// because the normalization step was removed from setting
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// mod/settings.php in 8367cad so it might have left mixed
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// records in the user table
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//
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$condition = ['blocked' => false, 'account_expired' => false, 'account_removed' => false, 'verified' => true,
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'openid' => [$authId, Strings::normaliseOpenID($authId)]];
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$dba = self::getClass(Database::class);
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$user = $dba->selectFirst('user', [], $condition);
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if ($dba->isResult($user)) {
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// successful OpenID login
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$session->remove('openid');
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/** @var Authentication $auth */
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$auth = self::getClass(Authentication::class);
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$auth->setForUser(self::getApp(), $user, true, true);
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// just in case there was no return url set
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// and we fell through
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$baseUrl->redirect();
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}
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// Successful OpenID login - but we can't match it to an existing account.
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$session->remove('register');
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$session->set('openid_attributes', $openid->getAttributes());
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$session->set('openid_identity', $authId);
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// Detect the server URL
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$open_id_obj = new LightOpenID($baseUrl->getHostName());
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$open_id_obj->identity = $authId;
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$session->set('openid_server', $open_id_obj->discover($open_id_obj->identity));
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if (intval($config->get('config', 'register_policy')) === \Friendica\Module\Register::CLOSED) {
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notice($l10n->t('Account not found. Please login to your existing account to add the OpenID to it.'));
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} else {
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notice($l10n->t('Account not found. Please register a new account or login to your existing account to add the OpenID to it.'));
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}
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$baseUrl->redirect('login');
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}
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}
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}
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}
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