Use raw PATH_INFO

PATH_INFO will be empty at this point and thus the logic in base.php did not catch this. Changing this to "getRawPathInfo" will ensure that the path info is properly read.

Fixes https://github.com/owncloud/core/issues/23199

.htaccess

@@ -62,8 +62,8 @@
 
   # Rewrite rules for `front_controller_active`
   Options -MultiViews
-  RewriteRule ^core/js/oc.js$ index.php/core/js/oc.js [PT,E=PATH_INFO:$1]
-  RewriteRule ^core/preview.png$ index.php/core/preview.png [PT,E=PATH_INFO:$1]
+  RewriteRule ^core/js/oc.js$ index.php [PT,E=PATH_INFO:$1]
+  RewriteRule ^core/preview.png$ index.php [PT,E=PATH_INFO:$1]
   RewriteCond %{REQUEST_FILENAME} !\.(css|js|svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$
   RewriteCond %{REQUEST_FILENAME} !core/img/favicon.ico$
   RewriteCond %{REQUEST_FILENAME} !/remote.php

lib/base.php

@@ -823,7 +823,7 @@ class OC {
 		}
 
 		$request = \OC::$server->getRequest();
-		$requestPath = $request->getPathInfo();
+		$requestPath = $request->getRawPathInfo();
 		if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
 			self::checkMaintenanceMode();
 			self::checkUpgrade();