<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
namespace Friendica\Module;
+use Exception;
+use Friendica\App;
use Friendica\BaseModule;
-use Friendica\Core\Logger;
+use Friendica\Core\L10n;
+use Friendica\Core\Session\Capability\IHandleUserSessions;
use Friendica\Core\System;
-use Friendica\Database\DBA;
-use Friendica\DI;
+use Friendica\Database\Database;
use Friendica\Model\Contact;
+use Friendica\Model\GServer;
use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Util\HTTPSignature;
+use Friendica\Util\Profiler;
use Friendica\Util\Strings;
+use GuzzleHttp\Psr7\Uri;
+use Psr\Log\LoggerInterface;
/**
* Magic Auth (remote authentication) module.
*/
class Magic extends BaseModule
{
- public static function init(array $parameters = [])
+ /** @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 = DI::app();
- $ret = ['success' => false, 'url' => '', 'message' => ''];
- Logger::info('magic mdule: invoked');
-
- Logger::debug('args', ['request' => $_REQUEST]);
-
- $addr = $_REQUEST['addr'] ?? '';
- $dest = $_REQUEST['dest'] ?? '';
- $test = (!empty($_REQUEST['test']) ? intval($_REQUEST['test']) : 0);
- $owa = (!empty($_REQUEST['owa']) ? intval($_REQUEST['owa']) : 0);
- $cid = 0;
-
- if (!empty($addr)) {
- $cid = Contact::getIdForURL($addr);
- } elseif (!empty($dest)) {
- $cid = Contact::getIdForURL($dest);
+ parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
+
+ $this->app = $app;
+ $this->dba = $dba;
+ $this->httpClient = $httpClient;
+ $this->userSession = $userSession;
+ }
+
+ protected function rawContent(array $request = [])
+ {
+ if ($_SERVER['REQUEST_METHOD'] == 'HEAD') {
+ $this->logger->debug('Got a HEAD request');
+ System::exit();
+ }
+
+ $this->logger->debug('Invoked', ['request' => $request]);
+
+ $addr = $request['addr'] ?? '';
+ $dest = $request['dest'] ?? '';
+ $bdest = $request['bdest'] ?? '';
+ $owa = intval($request['owa'] ?? 0);
+
+ // bdest is preferred as it is hex-encoded and can survive url rewrite and argument parsing
+ if (!empty($bdest)) {
+ $dest = hex2bin($bdest);
+ $this->logger->debug('bdest detected', ['dest' => $dest]);
}
- if (!$cid) {
- Logger::info('No contact record found', $_REQUEST);
- // @TODO Finding a more elegant possibility to redirect to either internal or external URL
- $a->redirect($dest);
+ $target = $dest ?: $addr;
+
+ if ($addr ?: $dest) {
+ $contact = Contact::getByURL($addr ?: $dest);
}
- $contact = DBA::selectFirst('contact', ['id', 'nurl', 'url'], ['id' => $cid]);
-
- // Redirect if the contact is already authenticated on this site.
- if ($a->getContactId() && strpos($contact['nurl'], Strings::normaliseLink(DI::baseUrl()->get())) !== false) {
- if ($test) {
- $ret['success'] = true;
- $ret['message'] .= 'Local site - you are already authenticated.' . EOL;
- return $ret;
+
+ if (empty($contact)) {
+ if (!$owa) {
+ $this->logger->info('No contact record found, no oWA, redirecting to destination.', ['request' => $request, 'server' => $_SERVER, 'dest' => $dest]);
+ $this->app->redirect($dest);
+ }
+ } else {
+ // Redirect if the contact is already authenticated on this site.
+ if ($this->app->getContactId() && strpos($contact['nurl'], Strings::normaliseLink($this->baseUrl)) !== false) {
+ $this->logger->info('Contact is already authenticated, redirecting to destination.', ['dest' => $dest]);
+ System::externalRedirect($dest);
}
- Logger::info('Contact is already authenticated');
- System::externalRedirect($dest);
+ $this->logger->debug('Contact found', ['url' => $contact['url']]);
+ }
+
+ if (!$this->userSession->getLocalUserId() || !$owa) {
+ $this->logger->notice('Not logged in or not OWA, redirecting to destination.', ['uid' => $this->userSession->getLocalUserId(), 'owa' => $owa, 'dest' => $dest]);
+ $this->app->redirect($dest);
}
// OpenWebAuth
- if (local_user() && $owa) {
- $user = User::getById(local_user());
-
- // 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'] . '@' . DI::baseUrl()->getHostname() . (DI::baseUrl()->getUrlPath() ? '/' . DI::baseUrl()->getUrlPath() : '')
- );
-
- // Try to get an authentication token from the other instance.
- $curlResult = DI::httpRequest()->get($basepath . '/owa', ['header' => $header]);
-
- if ($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;
-
- Logger::info('Redirecting', ['path' => $dest . $args]);
- System::externalRedirect($dest . $args);
- }
+ $owner = User::getOwnerDataById($this->userSession->getLocalUserId());
+
+ if (!empty($contact['gsid'])) {
+ $gserver = $this->dba->selectFirst('gserver', ['url'], ['id' => $contact['gsid']]);
+ if (empty($gserver)) {
+ $this->logger->notice('Server not found, redirecting to destination.', ['gsid' => $contact['gsid'], 'dest' => $dest]);
+ System::externalRedirect($dest);
}
+
+ $basepath = $gserver['url'];
+ } elseif (GServer::check($target)) {
+ $basepath = (string)GServer::cleanUri(new Uri($target));
+ } else {
+ $this->logger->notice('The target is not a server path, redirecting to destination.', ['target' => $target]);
System::externalRedirect($dest);
}
- if ($test) {
- $ret['message'] = 'Not authenticated or invalid arguments' . EOL;
- return $ret;
+ $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,
+ $owner['prvkey'],
+ 'acct:' . $owner['addr']
+ );
+
+ $this->logger->info('Fetch from remote system', ['basepath' => $basepath, 'headers' => $header]);
+
+ // Try to get an authentication token from the other instance.
+ try {
+ $curlResult = $this->httpClient->request('get', $basepath . '/owa', [HttpClientOptions::HEADERS => $header]);
+ } catch (Exception $exception) {
+ $this->logger->notice('URL is invalid, redirecting to destination.', ['url' => $basepath, 'error' => $exception, 'dest' => $dest]);
+ System::externalRedirect($dest);
+ }
+ if (!$curlResult->isSuccess()) {
+ $this->logger->notice('OWA request failed, redirecting to destination.', ['returncode' => $curlResult->getReturnCode(), 'dest' => $dest]);
+ System::externalRedirect($dest);
+ }
+
+ $j = json_decode($curlResult->getBody(), true);
+ if (empty($j) || !$j['success']) {
+ $this->logger->notice('Invalid JSON, redirecting to destination.', ['json' => $j, 'dest' => $dest]);
+ $this->app->redirect($dest);
+ }
+
+ if ($j['encrypted_token']) {
+ // The token is encrypted. If the local user is really the one the other instance
+ // thinks they is, the token can be decrypted with the local users public key.
+ $token = '';
+ openssl_private_decrypt(Strings::base64UrlDecode($j['encrypted_token']), $token, $owner['prvkey']);
+ } else {
+ $token = $j['token'];
}
+ $args = (strpbrk($dest, '?&') ? '&' : '?') . 'owt=' . $token;
- // @TODO Finding a more elegant possibility to redirect to either internal or external URL
- $a->redirect($dest);
+ $this->logger->debug('Redirecting', ['path' => $dest . $args]);
+ System::externalRedirect($dest . $args);
}
}
projects / friendica.git / blobdiff