Parse as JSON only requests with proper content-type #34

lib/serve.js

@@ -37,7 +37,10 @@ module.exports = {
   _newExpressApp(funcConfs) {
     const app = express();
 
-    app.use(bodyParser.json({ limit: '5mb' }));
+    app.use(bodyParser.json({
+      limit: '5mb',
+      type: (req) => /json/.test(req.headers['content-type']),
+    }));
 
     for (let funcConf of funcConfs) {
       for (let httpEvent of funcConf.events) {