2010-07-01 23:48:07 +00:00
|
|
|
<?php
|
2020-02-09 15:34:23 +00:00
|
|
|
/**
|
2022-01-02 07:27:47 +00:00
|
|
|
* @copyright Copyright (C) 2010-2022, the Friendica project
|
2020-02-09 15:34:23 +00:00
|
|
|
*
|
|
|
|
* @license GNU AGPL version 3 or any later version
|
|
|
|
*
|
|
|
|
* This program is free software: you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU Affero General Public License as
|
|
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
|
|
* License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU Affero General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
*
|
|
|
|
*/
|
2010-07-01 23:48:07 +00:00
|
|
|
|
2017-04-30 04:07:00 +00:00
|
|
|
use Friendica\App;
|
2018-10-29 21:20:46 +00:00
|
|
|
use Friendica\Core\Logger;
|
2017-08-26 06:04:21 +00:00
|
|
|
use Friendica\Core\System;
|
2018-07-20 12:19:26 +00:00
|
|
|
use Friendica\Database\DBA;
|
2019-12-15 23:28:31 +00:00
|
|
|
use Friendica\DI;
|
2018-06-01 06:46:34 +00:00
|
|
|
use Friendica\Model\Contact;
|
|
|
|
use Friendica\Model\Profile;
|
2022-04-08 18:41:25 +00:00
|
|
|
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
|
|
|
|
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
|
2019-05-29 17:55:18 +00:00
|
|
|
use Friendica\Util\Strings;
|
2017-04-30 04:07:00 +00:00
|
|
|
|
2017-01-09 12:14:55 +00:00
|
|
|
function redir_init(App $a) {
|
2022-10-20 19:02:49 +00:00
|
|
|
if (!DI::userSession()->isAuthenticated()) {
|
2020-06-03 05:14:45 +00:00
|
|
|
throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
|
|
|
|
}
|
2010-07-01 23:48:07 +00:00
|
|
|
|
2019-10-15 13:01:17 +00:00
|
|
|
$url = $_GET['url'] ?? '';
|
2010-12-08 03:40:12 +00:00
|
|
|
|
2021-07-25 13:08:22 +00:00
|
|
|
if (DI::args()->getArgc() > 1 && intval(DI::args()->getArgv()[1])) {
|
|
|
|
$cid = intval(DI::args()->getArgv()[1]);
|
2018-06-01 06:46:34 +00:00
|
|
|
} else {
|
|
|
|
$cid = 0;
|
|
|
|
}
|
2010-12-08 03:40:12 +00:00
|
|
|
|
2019-09-23 22:13:20 +00:00
|
|
|
// Try magic auth before the legacy stuff
|
|
|
|
redir_magic($a, $cid, $url);
|
|
|
|
|
2020-06-03 05:14:45 +00:00
|
|
|
if (empty($cid)) {
|
2020-06-03 09:40:43 +00:00
|
|
|
throw new \Friendica\Network\HTTPException\BadRequestException(DI::l10n()->t('Bad Request.'));
|
2020-06-03 05:14:45 +00:00
|
|
|
}
|
2010-09-02 07:31:11 +00:00
|
|
|
|
2021-07-15 13:28:32 +00:00
|
|
|
$fields = ['id', 'uid', 'nurl', 'url', 'addr', 'name'];
|
2022-10-20 19:02:49 +00:00
|
|
|
$contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => [0, DI::userSession()->getLocalUserId()]]);
|
2020-06-03 05:14:45 +00:00
|
|
|
if (!DBA::isResult($contact)) {
|
|
|
|
throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('Contact not found.'));
|
|
|
|
}
|
|
|
|
|
|
|
|
$contact_url = $contact['url'];
|
2018-06-21 20:37:05 +00:00
|
|
|
|
2021-07-24 20:34:07 +00:00
|
|
|
if (!empty($a->getContactId()) && $a->getContactId() == $cid) {
|
2020-06-03 05:14:45 +00:00
|
|
|
// Local user is already authenticated.
|
|
|
|
redir_check_url($contact_url, $url);
|
|
|
|
$a->redirect($url ?: $contact_url);
|
|
|
|
}
|
|
|
|
|
2022-10-20 19:02:49 +00:00
|
|
|
if ($contact['uid'] == 0 && DI::userSession()->getLocalUserId()) {
|
2020-06-03 05:14:45 +00:00
|
|
|
// Let's have a look if there is an established connection
|
|
|
|
// between the public contact we have found and the local user.
|
2022-10-20 19:02:49 +00:00
|
|
|
$contact = DBA::selectFirst('contact', $fields, ['nurl' => $contact['nurl'], 'uid' => DI::userSession()->getLocalUserId()]);
|
2020-06-03 05:14:45 +00:00
|
|
|
|
|
|
|
if (DBA::isResult($contact)) {
|
|
|
|
$cid = $contact['id'];
|
2018-06-01 06:46:34 +00:00
|
|
|
}
|
2010-09-02 07:31:11 +00:00
|
|
|
|
2021-07-24 20:34:07 +00:00
|
|
|
if (!empty($a->getContactId()) && $a->getContactId() == $cid) {
|
2020-06-03 05:14:45 +00:00
|
|
|
// Local user is already authenticated.
|
|
|
|
redir_check_url($contact_url, $url);
|
|
|
|
$target_url = $url ?: $contact_url;
|
2021-10-20 18:53:52 +00:00
|
|
|
Logger::info($contact['name'] . " is already authenticated. Redirecting to " . $target_url);
|
2020-06-03 05:14:45 +00:00
|
|
|
$a->redirect($target_url);
|
2018-06-21 20:37:05 +00:00
|
|
|
}
|
2020-06-03 05:14:45 +00:00
|
|
|
}
|
2013-02-16 18:38:41 +00:00
|
|
|
|
2022-10-24 16:27:38 +00:00
|
|
|
if (DI::userSession()->getRemoteUserId()) {
|
2020-06-03 05:14:45 +00:00
|
|
|
$host = substr(DI::baseUrl()->getUrlPath() . (DI::baseUrl()->getUrlPath() ? '/' . DI::baseUrl()->getUrlPath() : ''), strpos(DI::baseUrl()->getUrlPath(), '://') + 3);
|
|
|
|
$remotehost = substr($contact['addr'], strpos($contact['addr'], '@') + 1);
|
|
|
|
|
|
|
|
// On a local instance we have to check if the local user has already authenticated
|
|
|
|
// with the local contact. Otherwise the local user would ask the local contact
|
|
|
|
// for authentification everytime he/she is visiting a profile page of the local
|
|
|
|
// contact.
|
2022-10-20 19:02:49 +00:00
|
|
|
if (($host == $remotehost) && (DI::userSession()->getRemoteContactID(DI::session()->get('visitor_visiting')) == DI::session()->get('visitor_id'))) {
|
2020-06-03 05:14:45 +00:00
|
|
|
// Remote user is already authenticated.
|
|
|
|
redir_check_url($contact_url, $url);
|
|
|
|
$target_url = $url ?: $contact_url;
|
2021-10-20 18:53:52 +00:00
|
|
|
Logger::info($contact['name'] . " is already authenticated. Redirecting to " . $target_url);
|
2020-06-03 05:14:45 +00:00
|
|
|
$a->redirect($target_url);
|
2013-02-16 18:38:41 +00:00
|
|
|
}
|
2020-06-03 05:14:45 +00:00
|
|
|
}
|
2012-01-29 23:47:25 +00:00
|
|
|
|
2020-06-03 05:14:45 +00:00
|
|
|
if (empty($url)) {
|
2020-06-03 10:33:54 +00:00
|
|
|
throw new \Friendica\Network\HTTPException\BadRequestException(DI::l10n()->t('Bad Request.'));
|
2020-06-03 05:14:45 +00:00
|
|
|
}
|
|
|
|
|
2018-06-21 20:37:05 +00:00
|
|
|
// If we don't have a connected contact, redirect with
|
|
|
|
// the 'zrl' parameter.
|
2020-06-03 05:14:45 +00:00
|
|
|
$my_profile = Profile::getMyURL();
|
2018-06-21 20:37:05 +00:00
|
|
|
|
2020-06-03 05:14:45 +00:00
|
|
|
if (!empty($my_profile) && !Strings::compareLink($my_profile, $url)) {
|
|
|
|
$separator = strpos($url, '?') ? '&' : '?';
|
2018-06-21 20:37:05 +00:00
|
|
|
|
2020-06-03 05:14:45 +00:00
|
|
|
$url .= $separator . 'zrl=' . urlencode($my_profile);
|
2010-09-13 04:25:37 +00:00
|
|
|
}
|
2010-12-08 03:40:12 +00:00
|
|
|
|
2021-10-20 18:53:52 +00:00
|
|
|
Logger::info('redirecting to ' . $url);
|
2020-06-03 05:14:45 +00:00
|
|
|
$a->redirect($url);
|
2010-10-13 09:47:32 +00:00
|
|
|
}
|
2019-09-23 22:13:20 +00:00
|
|
|
|
|
|
|
function redir_magic($a, $cid, $url)
|
|
|
|
{
|
|
|
|
$visitor = Profile::getMyURL();
|
|
|
|
if (!empty($visitor)) {
|
|
|
|
Logger::info('Got my url', ['visitor' => $visitor]);
|
|
|
|
}
|
|
|
|
|
|
|
|
$contact = DBA::selectFirst('contact', ['url'], ['id' => $cid]);
|
|
|
|
if (!DBA::isResult($contact)) {
|
|
|
|
Logger::info('Contact not found', ['id' => $cid]);
|
2020-06-03 05:14:45 +00:00
|
|
|
throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('Contact not found.'));
|
2019-09-23 22:13:20 +00:00
|
|
|
} else {
|
|
|
|
$contact_url = $contact['url'];
|
2020-06-03 05:14:45 +00:00
|
|
|
redir_check_url($contact_url, $url);
|
2019-10-15 13:01:17 +00:00
|
|
|
$target_url = $url ?: $contact_url;
|
2019-09-23 22:13:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
$basepath = Contact::getBasepath($contact_url);
|
|
|
|
|
|
|
|
// We don't use magic auth when there is no visitor, we are on the same system or we visit our own stuff
|
2019-12-30 22:00:08 +00:00
|
|
|
if (empty($visitor) || Strings::compareLink($basepath, DI::baseUrl()) || Strings::compareLink($contact_url, $visitor)) {
|
2019-09-23 22:13:20 +00:00
|
|
|
Logger::info('Redirecting without magic', ['target' => $target_url, 'visitor' => $visitor, 'contact' => $contact_url]);
|
2020-01-22 19:34:07 +00:00
|
|
|
DI::app()->redirect($target_url);
|
2019-09-23 22:13:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Test for magic auth on the target system
|
2022-04-08 18:41:25 +00:00
|
|
|
$serverret = DI::httpClient()->head($basepath . '/magic', [HttpClientOptions::ACCEPT_CONTENT => HttpClientAccept::HTML]);
|
2019-09-23 22:13:20 +00:00
|
|
|
if ($serverret->isSuccess()) {
|
|
|
|
$separator = strpos($target_url, '?') ? '&' : '?';
|
2019-09-29 00:16:09 +00:00
|
|
|
$target_url .= $separator . 'zrl=' . urlencode($visitor) . '&addr=' . urlencode($contact_url);
|
2019-09-23 22:13:20 +00:00
|
|
|
|
|
|
|
Logger::info('Redirecting with magic', ['target' => $target_url, 'visitor' => $visitor, 'contact' => $contact_url]);
|
2019-12-30 02:50:51 +00:00
|
|
|
System::externalRedirect($target_url);
|
2019-09-23 22:13:20 +00:00
|
|
|
} else {
|
|
|
|
Logger::info('No magic for contact', ['contact' => $contact_url]);
|
|
|
|
}
|
|
|
|
}
|
2020-06-03 05:14:45 +00:00
|
|
|
|
|
|
|
function redir_check_url(string $contact_url, string $url)
|
|
|
|
{
|
|
|
|
if (empty($contact_url) || empty($url)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
$url_host = parse_url($url, PHP_URL_HOST);
|
2020-06-14 18:40:02 +00:00
|
|
|
if (empty($url_host)) {
|
|
|
|
$url_host = parse_url(DI::baseUrl(), PHP_URL_HOST);
|
|
|
|
}
|
|
|
|
|
2020-06-03 05:14:45 +00:00
|
|
|
$contact_url_host = parse_url($contact_url, PHP_URL_HOST);
|
|
|
|
|
|
|
|
if ($url_host == $contact_url_host) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
Logger::error('URL check host mismatch', ['contact' => $contact_url, 'url' => $url]);
|
|
|
|
throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
|
2020-06-03 09:40:43 +00:00
|
|
|
}
|