<?php
/**
- * @file src/Module/Magic.php
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @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/>.
+ *
*/
+
namespace Friendica\Module;
+use Friendica\App;
use Friendica\BaseModule;
+use Friendica\Core\L10n;
+use Friendica\Core\Session\Capability\IHandleUserSessions;
+use Friendica\Core\System;
+use Friendica\Database\Database;
use Friendica\Model\Contact;
+use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClientAccept;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Util\HTTPSignature;
-use Friendica\Util\Network;
-
-use dba;
+use Friendica\Util\Profiler;
+use Friendica\Util\Strings;
+use Psr\Log\LoggerInterface;
/**
* Magic Auth (remote authentication) module.
*/
class Magic extends BaseModule
{
- public static function init()
+ /** @var App */
+ protected $app;
+ /** @var Database */
+ protected $dba;
+ /** @var ICanSendHttpRequests */
+ protected $httpClient;
+ /** @var IHandleUserSessions */
+ protected $userSession;
+
+ public function __construct(App $app, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, Database $dba, ICanSendHttpRequests $httpClient, IHandleUserSessions $userSession, $server, array $parameters = [])
{
- $a = self::getApp();
- $ret = ['success' => false, 'url' => '', 'message' => ''];
- logger('magic mdule: invoked', LOGGER_DEBUG);
+ parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
+
+ $this->app = $app;
+ $this->dba = $dba;
+ $this->httpClient = $httpClient;
+ $this->userSession = $userSession;
+ }
- logger('args: ' . print_r($_REQUEST, true), LOGGER_DATA);
+ protected function rawContent(array $request = [])
+ {
+ $this->logger->info('magic module: invoked');
- $addr = ((x($_REQUEST, 'addr')) ? $_REQUEST['addr'] : '');
- $dest = ((x($_REQUEST, 'dest')) ? $_REQUEST['dest'] : '');
- $test = ((x($_REQUEST, 'test')) ? intval($_REQUEST['test']) : 0);
- $owa = ((x($_REQUEST, 'owa')) ? intval($_REQUEST['owa']) : 0);
+ $this->logger->debug('args', ['request' => $_REQUEST]);
- // NOTE: I guess $dest isn't just the profile url (could be also
- // other profile pages e.g. photo). We need to find a solution
- // to be able to redirct to other pages than the contact profile.
- $cid = Contact::getIdForURL($dest);
+ $addr = $_REQUEST['addr'] ?? '';
+ $dest = $_REQUEST['dest'] ?? '';
+ $owa = (!empty($_REQUEST['owa']) ? intval($_REQUEST['owa']) : 0);
+ $cid = 0;
- if (!$cid && !empty($addr)) {
+ if (!empty($addr)) {
$cid = Contact::getIdForURL($addr);
+ } elseif (!empty($dest)) {
+ $cid = Contact::getIdForURL($dest);
}
if (!$cid) {
- logger('No contact record found: ' . print_r($_REQUEST, true), LOGGER_DEBUG);
- goaway($dest);
+ $this->logger->info('No contact record found', $_REQUEST);
+ // @TODO Finding a more elegant possibility to redirect to either internal or external URL
+ $this->app->redirect($dest);
}
-
- $contact = dba::selectFirst('contact', ['id', 'nurl', 'url'], ['id' => $cid]);
+ $contact = $this->dba->selectFirst('contact', ['id', 'nurl', 'url'], ['id' => $cid]);
// Redirect if the contact is already authenticated on this site.
- if (!empty($a->contact) && array_key_exists('id', $a->contact) && strpos($contact['nurl'], normalise_link(self::getApp()->get_baseurl())) !== false) {
- if ($test) {
- $ret['success'] = true;
- $ret['message'] .= 'Local site - you are already authenticated.' . EOL;
- return $ret;
- }
-
- logger('Contact is already authenticated', LOGGER_DEBUG);
- goaway($dest);
+ if ($this->app->getContactId() && strpos($contact['nurl'], Strings::normaliseLink($this->baseUrl->get())) !== false) {
+ $this->logger->info('Contact is already authenticated');
+ System::externalRedirect($dest);
}
- if (local_user()) {
- $user = $a->user;
-
- // OpenWebAuth
- if ($owa) {
- // Extract the basepath
- // NOTE: we need another solution because this does only work
- // for friendica contacts :-/ . We should have the basepath
- // of a contact also in the contact table.
- $exp = explode('/profile/', $contact['url']);
- $basepath = $exp[0];
-
- $headers = [];
- $headers['Accept'] = 'application/x-dfrn+json';
- $headers['X-Open-Web-Auth'] = random_string();
-
- // Create a header that is signed with the local users private key.
- $headers = HTTPSignature::createSig(
- '',
- $headers,
- $user['prvkey'],
- 'acct:' . $user['nickname'] . '@' . $a->get_hostname() . ($a->urlpath ? '/' . $a->urlpath : ''),
- false,
- true,
- 'sha512'
- );
-
- // Try to get an authentication token from the other instance.
- $x = Network::curl($basepath . '/owa', false, $redirects, ['headers' => $headers]);
-
- if ($x['success']) {
- $j = json_decode($x['body'], true);
-
- if ($j['success']) {
- $token = '';
- if ($j['encrypted_token']) {
- // The token is encrypted. If the local user is really the one the other instance
- // thinks he/she is, the token can be decrypted with the local users public key.
- openssl_private_decrypt(base64url_decode($j['encrypted_token']), $token, $user['prvkey']);
- } else {
- $token = $j['token'];
- }
- $x = strpbrk($dest, '?&');
- $args = (($x) ? '&owt=' . $token : '?f=&owt=' . $token);
-
- goaway($dest . $args);
+ // OpenWebAuth
+ if ($this->userSession->getLocalUserId() && $owa) {
+ $user = User::getById($this->userSession->getLocalUserId());
+
+ // Extract the basepath
+ // NOTE: we need another solution because this does only work
+ // for friendica contacts :-/ . We should have the basepath
+ // of a contact also in the contact table.
+ $exp = explode('/profile/', $contact['url']);
+ $basepath = $exp[0];
+
+ $header = [
+ 'Accept' => ['application/x-dfrn+json', 'application/x-zot+json'],
+ 'X-Open-Web-Auth' => [Strings::getRandomHex()],
+ ];
+
+ // Create a header that is signed with the local users private key.
+ $header = HTTPSignature::createSig(
+ $header,
+ $user['prvkey'],
+ 'acct:' . $user['nickname'] . '@' . $this->baseUrl->getHostname() . ($this->baseUrl->getUrlPath() ? '/' . $this->baseUrl->getUrlPath() : '')
+ );
+
+ // Try to get an authentication token from the other instance.
+ $curlResult = $this->httpClient->get($basepath . '/owa', HttpClientAccept::DEFAULT, [HttpClientOptions::HEADERS => $header]);
+
+ if ($curlResult->isSuccess()) {
+ $j = json_decode($curlResult->getBody(), true);
+
+ if ($j['success']) {
+ $token = '';
+ if ($j['encrypted_token']) {
+ // The token is encrypted. If the local user is really the one the other instance
+ // thinks he/she is, the token can be decrypted with the local users public key.
+ openssl_private_decrypt(Strings::base64UrlDecode($j['encrypted_token']), $token, $user['prvkey']);
+ } else {
+ $token = $j['token'];
}
+ $args = (strpbrk($dest, '?&') ? '&' : '?') . 'owt=' . $token;
+
+ $this->logger->info('Redirecting', ['path' => $dest . $args]);
+ System::externalRedirect($dest . $args);
}
- goaway($dest);
}
+ System::externalRedirect($dest);
}
- if ($test) {
- $ret['message'] = 'Not authenticated or invalid arguments' . EOL;
- return $ret;
- }
-
- goaway($dest);
+ // @TODO Finding a more elegant possibility to redirect to either internal or external URL
+ $this->app->redirect($dest);
}
}