check method

Author: mattallty

lib/filehandler.js

@@ -10,7 +10,7 @@ module.exports = function (middleware, options) {
             if (redirect) {
                 files = {files: result};
                 res.redirect(redirect.replace(/%s/, encodeURIComponent(JSON.stringify(files))));
-            }else if(options.callback) {
+            }else if(req.method == 'POST' && options.callback) {
                 options.callback(result, req, res);
             } else {
                 res.set({