init project portal web

middleware/middleware.ts

@@ -0,0 +1,83 @@
+"use server"
+
+// THIS IS A PLACE FOR GROUPING MIDDLEWARE CAPABILITIES
+import { NextFetchEvent, NextMiddleware, NextRequest, NextResponse } from "next/server";
+
+type MiddlewareFactory = (middleware: NextMiddleware) => NextMiddleware
+
+export default class Middleware {
+    private isLoggedIn: boolean = false;
+    private isOnboardRoute: boolean = false;
+    private basePath: string = "/main";
+    private onboardPath: string = "/onboard";
+
+    chain = (factories: MiddlewareFactory[], index: number = 0): NextMiddleware => {
+        // GET CURRENT MIDDLEWARE
+        const current = factories[index];
+        // CHECK WHETHER CURRENT MIDDLEWARE IS NULL OR NOT
+        if(!!current) {
+            const next = this.chain(factories, index + 1);
+            return current(next)
+        }
+
+        // OTHERWISE
+        return () => NextResponse.next()
+    }
+
+    private redirectToOnboard = (request: NextRequest) => {
+        const pathName = request.nextUrl.pathname
+        if(pathName === "/onboard/login") {
+            return
+        }
+        
+        return NextResponse.redirect(new URL("/onboard/login", request.url))
+        
+        // // REWRITE TO REAL LOGIN URL
+        // return NextResponse.rewrite(new URL(`${this.basePath}${this.onboardPath}${pathName}`, request.url))
+    }
+
+    validateWhitelistRoute = (middleware: NextMiddleware) => {
+        return async (request: NextRequest, event: NextFetchEvent) => {
+            // BY PASS ALL WHITELIST ROUTES
+            const isWhiteListed = /((^(\/api\/|\/_next\/))|(\/*.(svg|ico)$))/i.test(request.nextUrl.pathname)
+            if (isWhiteListed) {
+                return NextResponse.next()
+            }
+            // OTHERWISE, BRING REQUEST TO NEXT MIDDLEWARE
+            return middleware(request, event)
+        }
+    }
+
+    setProperties = (middleware: NextMiddleware) => {
+        return async (request: NextRequest, event: NextFetchEvent) => {
+            const accessToken = request.cookies.get('credential');
+            this.isLoggedIn = !!accessToken
+            this.isOnboardRoute = /(register|login)/i.test(request.nextUrl.pathname)
+
+            return middleware(request, event)
+        }
+    }
+
+    authentication = (middleware: NextMiddleware) => {
+        return async (request: NextRequest, event: NextFetchEvent) => {
+            if(!this.isLoggedIn) {
+                return this.redirectToOnboard(request)
+            }
+            // OTHERWISE, BRING REQUEST TO NEXT MIDDLEWARE
+            return middleware(request, event)
+        }
+    }
+
+    rewriteMain = (middleware: NextMiddleware) => {
+        return async (request: NextRequest, event: NextFetchEvent) => {
+            // Jika pengguna sudah login, redirect dari halaman onboarding/login ke home
+            if(this.isOnboardRoute) {
+                return NextResponse.redirect(new URL("/", request.url));
+            }
+           
+    
+            // OTHERWISE, BRING REQUEST TO NEXT MIDDLEWARE
+            return middleware(request, event);
+        };
+    }
+}