move custom approuter handler to extension

Author: gregorwolf

approuter/approuter-start.js

@@ -1,13 +1,6 @@
-const approuter = require('@sap/approuter');
+const approuter = require("@sap/approuter");
 var ar = approuter();
-ar.beforeRequestHandler.use('/services/userapi/currentUser', function (req, res, next) {
-   if (!req.user) {
-     res.statusCode = 403;
-     res.end(`Missing JWT Token`);
-   } else {
-     res.statusCode = 200;
-     res.setHeader("Content-type", "application/json")
-     res.end(JSON.stringify(req.user));
-   } 
+ar.first;
+ar.start({
+  extensions: [require("./my-ext.js")],
 });
-ar.start();

approuter/my-ext.js

@@ -0,0 +1,25 @@
+module.exports = {
+  insertMiddleware: {
+    first: [
+      function logRequest(req, res, next) {
+        console.log("Got request %s %s %s", req.method, req.url, req.headers);
+        return next();
+      },
+    ],
+    beforeRequestHandler: [
+      {
+        path: "/services/userapi/currentUser",
+        handler: function myMiddleware(req, res, next) {
+          if (!req.user) {
+            res.statusCode = 403;
+            res.end(`Missing JWT Token`);
+          } else {
+            res.statusCode = 200;
+            res.setHeader("Content-type", "application/json");
+            res.end(JSON.stringify(req.user));
+          }
+        },
+      },
+    ],
+  },
+};

approuter/package.json

@@ -10,6 +10,7 @@
   },
   "scripts": {
     "start": "node ./approuter-start.js",
-    "start-local": "export VCAP_SERVICES=`cat default-env.json | jq .VCAP_SERVICES` && node ./approuter-start.js"
+    "start-local": "export VCAP_SERVICES=`cat default-env.json | jq .VCAP_SERVICES` && node ./approuter-start.js",
+    "default-env": "cf default-env html5userapi-ui"
   }
 }

test/approuter.http

@@ -0,0 +1,3 @@
+###
+GET http://localhost:5000/services/userapi/currentUser
+Authorization: Bearer {{$dotenv bearerToken}}