<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
namespace Friendica\Security;
+use Exception;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Core\Session;
use Friendica\Database\DBA;
use Friendica\DI;
+use Friendica\Model\User;
+use Friendica\Network\HTTPException\UnauthorizedException;
+use Friendica\Util\DateTimeFormat;
/**
* Authentification via the basic auth method
*/
protected static $current_token = [];
+ /**
+ * Get current user id, returns 0 if $login is set to false and not logged in.
+ * When $login is true, the execution will stop when not logged in.
+ *
+ * @param bool $login Perform a login request if "true"
+ *
+ * @return int User ID
+ */
+ public static function getCurrentUserID(bool $login)
+ {
+ if (empty(self::$current_user_id)) {
+ self::$current_user_id = self::getUserIdByAuth($login);
+ }
+
+ return (int)self::$current_user_id;
+ }
+
+ public static function setCurrentUserID(int $uid = null)
+ {
+ self::$current_user_id = $uid;
+ }
+
/**
* Fetch a dummy application token
*
*/
public static function getCurrentApplicationToken()
{
- if (empty(self::getCurrentUserID())) {
+ if (empty(self::getCurrentUserID(true))) {
return [];
}
- if (!empty(self::$current_token)) {
- return self::$current_token;
+ //if (!empty(self::$current_token)) {
+ // return self::$current_token;
+ //}
+
+ $source = $_REQUEST['source'] ?? '';
+
+ // Support for known clients that doesn't send a source name
+ if (empty($source) && !empty($_SERVER['HTTP_USER_AGENT'])) {
+ if(strpos($_SERVER['HTTP_USER_AGENT'], "Twidere") !== false) {
+ $source = 'Twidere';
+ }
+
+ Logger::info('Unrecognized user-agent', ['http_user_agent' => $_SERVER['HTTP_USER_AGENT']]);
+ } else {
+ Logger::info('Empty user-agent');
+ }
+
+ if (empty($source)) {
+ $source = 'api';
}
self::$current_token = [
'uid' => self::$current_user_id,
'id' => 0,
- 'name' => api_source(),
+ 'name' => $source,
'website' => '',
'created_at' => DBA::NULL_DATETIME,
'read' => true,
}
/**
- * Get current user id, returns 0 if $login is set to false and not logged in.
- * When $login is true, the execution will stop when not logged in.
+ * Fetch the user id via the auth header information
*
- * @param bool $login Perform a login request if "true"
+ * @param boolean $do_login Perform a login request if not logged in
*
- * @return int User ID
+ * @return integer User ID
*/
- public static function getCurrentUserID(bool $login = true)
+ private static function getUserIdByAuth(bool $do_login = true):int
{
- if (empty(self::$current_user_id)) {
- api_login(DI::app(), $login);
+ $a = DI::app();
+ self::$current_user_id = 0;
- self::$current_user_id = api_user();
+ // workaround for HTTP-auth in CGI mode
+ if (!empty($_SERVER['REDIRECT_REMOTE_USER'])) {
+ $userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6));
+ if (!empty($userpass) && strpos($userpass, ':')) {
+ list($name, $password) = explode(':', $userpass);
+ $_SERVER['PHP_AUTH_USER'] = $name;
+ $_SERVER['PHP_AUTH_PW'] = $password;
+ }
}
- return (int)self::$current_user_id;
+ $user = $_SERVER['PHP_AUTH_USER'] ?? '';
+ $password = $_SERVER['PHP_AUTH_PW'] ?? '';
+
+ // allow "user@server" login (but ignore 'server' part)
+ $at = strstr($user, "@", true);
+ if ($at) {
+ $user = $at;
+ }
+
+ // next code from mod/auth.php. needs better solution
+ $record = null;
+
+ $addon_auth = [
+ 'username' => trim($user),
+ 'password' => trim($password),
+ 'authenticated' => 0,
+ 'user_record' => null,
+ ];
+
+ /*
+ * An addon indicates successful login by setting 'authenticated' to non-zero value and returning a user record
+ * Addons should never set 'authenticated' except to indicate success - as hooks may be chained
+ * and later addons should not interfere with an earlier one that succeeded.
+ */
+ Hook::callAll('authenticate', $addon_auth);
+
+ if ($addon_auth['authenticated'] && !empty($addon_auth['user_record'])) {
+ $record = $addon_auth['user_record'];
+ } else {
+ try {
+ $user_id = User::getIdFromPasswordAuthentication(trim($user), trim($password), true);
+ $record = DBA::selectFirst('user', [], ['uid' => $user_id]);
+ } catch (Exception $ex) {
+ $record = [];
+ }
+ }
+
+ if (empty($record)) {
+ if (!$do_login) {
+ return 0;
+ }
+ Logger::debug('Access denied', ['parameters' => $_SERVER]);
+ // Checking for commandline for the tests, we have to avoid to send a header
+ if (php_sapi_name() !== 'cli') {
+ header('WWW-Authenticate: Basic realm="Friendica"');
+ }
+ throw new UnauthorizedException("This API requires login");
+ }
+
+ // Don't refresh the login date more often than twice a day to spare database writes
+ $login_refresh = strcmp(DateTimeFormat::utc('now - 12 hours'), $record['login_date']) > 0;
+
+ DI::auth()->setForUser($a, $record, false, false, $login_refresh);
+
+ Hook::callAll('logged_in', $record);
+
+ self::$current_user_id = local_user();
+
+ return self::$current_user_id;
}
}