friendica_2021-01/mod/openid.php

112 lines
3 KiB
PHP

<?php
/**
* @file mod/openid.php
*/
use Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Session;
use Friendica\Database\DBA;
use Friendica\Util\Strings;
function openid_content(App $a) {
if (Config::get('system','no_openid')) {
$a->internalRedirect();
}
Logger::log('mod_openid ' . print_r($_REQUEST,true), Logger::DATA);
if (!empty($_GET['openid_mode']) && !empty($_SESSION['openid'])) {
$openid = new LightOpenID($a->getHostName());
if ($openid->validate()) {
$authid = $openid->identity;
if (empty($authid)) {
Logger::log(L10n::t('OpenID protocol error. No ID returned.') . EOL);
$a->internalRedirect();
}
// NOTE: we search both for normalised and non-normalised form of $authid
// because the normalization step was removed from setting
// mod/settings.php in 8367cad so it might have left mixed
// records in the user table
//
$condition = ['blocked' => false, 'account_expired' => false, 'account_removed' => false, 'verified' => true,
'openid' => [$authid, Strings::normaliseOpenID($authid)]];
$user = DBA::selectFirst('user', [], $condition);
if (DBA::isResult($user)) {
// successful OpenID login
unset($_SESSION['openid']);
Session::setAuthenticatedForUser($a, $user, true, true);
// just in case there was no return url set
// and we fell through
$a->internalRedirect();
}
// Successful OpenID login - but we can't match it to an existing account.
// New registration?
if (intval(Config::get('config', 'register_policy')) === \Friendica\Module\Register::CLOSED) {
notice(L10n::t('Account not found and OpenID registration is not permitted on this site.') . EOL);
$a->internalRedirect();
}
unset($_SESSION['register']);
$args = '';
$attr = $openid->getAttributes();
if (is_array($attr) && count($attr)) {
foreach ($attr as $k => $v) {
if ($k === 'namePerson/friendly') {
$nick = Strings::escapeTags(trim($v));
}
if ($k === 'namePerson/first') {
$first = Strings::escapeTags(trim($v));
}
if ($k === 'namePerson') {
$args .= '&username=' . urlencode(Strings::escapeTags(trim($v)));
}
if ($k === 'contact/email') {
$args .= '&email=' . urlencode(Strings::escapeTags(trim($v)));
}
if ($k === 'media/image/aspect11') {
$photosq = bin2hex(trim($v));
}
if ($k === 'media/image/default') {
$photo = bin2hex(trim($v));
}
}
}
if (!empty($nick)) {
$args .= '&nickname=' . urlencode($nick);
} elseif (!empty($first)) {
$args .= '&nickname=' . urlencode($first);
}
if (!empty($photosq)) {
$args .= '&photo=' . urlencode($photosq);
} elseif (!empty($photo)) {
$args .= '&photo=' . urlencode($photo);
}
$args .= '&openid_url=' . urlencode(Strings::escapeTags(trim($authid)));
$a->internalRedirect('register?' . $args);
// NOTREACHED
}
}
notice(L10n::t('Login failed.') . EOL);
$a->internalRedirect();
// NOTREACHED
}