Merge pull request 'desin login signup with firbase authentication system and google signup' (#1) from shakil into main

Reviewed-on: #1

app/(auth)/forgot-password/page.tsx

@@ -0,0 +1,62 @@
+"use client";
+import { useState } from "react";
+import { sendPasswordResetEmail } from "firebase/auth";
+import { auth } from "@/lib/firebase";
+import Navbar from "@/components/Navbar";
+import Link from "next/link";
+
+export default function ForgotPasswordPage() {
+  const [email, setEmail] = useState("");
+  const [message, setMessage] = useState("");
+  const [error, setError] = useState("");
+
+  const handleReset = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setMessage("");
+    setError("");
+
+    try {
+      await sendPasswordResetEmail(auth, email);
+      setMessage("Password reset link sent to your email!");
+    } catch (err: any) {
+      setError(err.message);
+    }
+  };
+
+  return (
+    <>
+      <Navbar />
+      <div className="flex min-h-screen items-center justify-center">
+        <form
+          className="p-6 bg-white rounded shadow-md w-full max-w-md"
+          onSubmit={handleReset}
+        >
+          <h2 className="text-2xl font-bold mb-4 text-center">
+            Forgot Password
+          </h2>
+          <input
+            type="email"
+            placeholder="Enter your email"
+            className="border p-2 w-full mb-2 rounded"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+          />
+          <button
+            className="w-full bg-blue-600 text-white p-2 rounded mt-2"
+            type="submit"
+          >
+            Send Reset Link
+          </button>
+          <Link
+            className="py-1 mt-3 bg-amber-400 text-white flex justify-center items-center"
+            href={"/login"}
+          >
+            back to login
+          </Link>
+          {message && <p className="text-green-600 mt-2">{message}</p>}
+          {error && <p className="text-red-600 mt-2">{error}</p>}
+        </form>
+      </div>
+    </>
+  );
+}

app/(auth)/login/page.tsx

@@ -1,5 +1,80 @@
-import React from "react";
+"use client";
+import { useState } from "react";
+import { signInWithEmailAndPassword, signInWithPopup } from "firebase/auth";
+import { auth, googleProvider } from "@/lib/firebase";
+import { useRouter } from "next/navigation";
+import Navbar from "@/components/Navbar";
 
-export default function Page() {
+export default function LoginPage() {
-  return <div>page</div>;
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const router = useRouter();
+
+  const handleLogin = async (e: React.FormEvent) => {
+    e.preventDefault();
+    try {
+      await signInWithEmailAndPassword(auth, email, password);
+      router.push("/dashboard");
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  const handleGoogleLogin = async () => {
+    try {
+      await signInWithPopup(auth, googleProvider);
+      router.push("/dashboard");
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  return (
+    <>
+      <Navbar />
+      <div className="flex min-h-screen items-center justify-center">
+        <form
+          className="p-6 bg-white rounded shadow-md w-full max-w-md"
+          onSubmit={handleLogin}
+        >
+          <h2 className="text-2xl font-bold mb-4 text-center">Login</h2>
+          <input
+            type="email"
+            placeholder="Email"
+            className="border p-2 w-full mb-2 rounded"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+          />
+          <input
+            type="password"
+            placeholder="Password"
+            className="border p-2 w-full mb-2 rounded"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+          />
+          <button
+            className="w-full bg-green-600 text-white p-2 rounded mt-2"
+            type="submit"
+          >
+            Login
+          </button>
+          <p className="mt-4 text-sm text-right">
+            <a
+              href="/forgot-password"
+              className="text-blue-600 hover:underline"
+            >
+              Forgot Password?
+            </a>
+          </p>
+          <button
+            type="button"
+            onClick={handleGoogleLogin}
+            className="w-full bg-red-500 text-white p-2 rounded mt-2"
+          >
+            Login with Google
+          </button>
+        </form>
+      </div>
+    </>
+  );
 }

app/(auth)/signup/page.tsx

@@ -1,5 +1,72 @@
-import React from "react";
+"use client";
+import { useState } from "react";
+import { createUserWithEmailAndPassword, signInWithPopup } from "firebase/auth";
+import { auth, googleProvider } from "@/lib/firebase";
+import { useRouter } from "next/navigation";
+import Navbar from "@/components/Navbar";
 
-export default function Page() {
+export default function SignupPage() {
-  return <div>page</div>;
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const router = useRouter();
+
+  const handleSignup = async (e: React.FormEvent) => {
+    e.preventDefault();
+    try {
+      await createUserWithEmailAndPassword(auth, email, password);
+      router.push("/dashboard");
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  const handleGoogleLogin = async () => {
+    try {
+      await signInWithPopup(auth, googleProvider);
+      router.push("/dashboard");
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  return (
+    <>
+      <Navbar />
+      <div className="flex min-h-screen items-center justify-center">
+        <form
+          className="p-6 bg-white rounded shadow-md w-full max-w-md"
+          onSubmit={handleSignup}
+        >
+          <h2 className="text-2xl font-bold mb-4 text-center">Signup</h2>
+          <input
+            type="email"
+            placeholder="Email"
+            className="border p-2 w-full mb-2 rounded"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+          />
+          <input
+            type="password"
+            placeholder="Password"
+            className="border p-2 w-full mb-2 rounded"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+          />
+          <button
+            className="w-full bg-blue-600 text-white p-2 rounded mt-2"
+            type="submit"
+          >
+            Signup
+          </button>
+          <button
+            type="button"
+            onClick={handleGoogleLogin}
+            className="w-full bg-red-500 text-white p-2 rounded mt-2"
+          >
+            Signup with Google
+          </button>
+        </form>
+      </div>
+    </>
+  );
 }

app/dashboard/page.tsx

@@ -1,5 +1,39 @@
-import React from "react";
+"use client";
+import { useAuthStore } from "@/store/authStore";
+import { useRouter } from "next/navigation";
+import Navbar from "@/components/Navbar";
 
-export default function Page() {
+export default function DashboardPage() {
-  return <div>Dashboard</div>;
+  const { user, token, logout, loading } = useAuthStore();
+  const router = useRouter();
+
+  if (loading) return <p className="text-center mt-10">Loading...</p>;
+  if (!user) {
+    router.push("/login");
+    return null;
+  }
+
+  return (
+    <>
+      <Navbar />
+      <div className="flex flex-col items-center justify-center min-h-screen">
+        <h1 className="text-3xl font-bold">Welcome, {user.email}</h1>
+
+        {token ? (
+          <div className="mt-4 p-4 bg-gray-100 rounded w-[600px] break-words">
+            <p className="text-sm font-mono">{token}</p>
+          </div>
+        ) : (
+          <p className="mt-4 text-gray-500">Fetching token...</p>
+        )}
+
+        <button
+          onClick={logout}
+          className="mt-4 bg-red-500 text-white p-2 rounded"
+        >
+          Logout
+        </button>
+      </div>
+    </>
+  );
 }

app/middleware.ts

@@ -0,0 +1,19 @@
+import { NextResponse } from "next/server";
+import type { NextRequest } from "next/server";
+
+export function middleware(req: NextRequest) {
+  const protectedPaths = ["/dashboard"];
+  const token = req.cookies.get("firebaseToken");
+
+  if (protectedPaths.some((path) => req.nextUrl.pathname.startsWith(path))) {
+    if (!token) {
+      return NextResponse.redirect(new URL("/login", req.url));
+    }
+  }
+
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: ["/dashboard/:path*"],
+};

app/page.tsx

@@ -1,103 +1,6 @@
-import Image from "next/image";
+import { redirect } from "next/navigation";
 
-export default function Home() {
+export default function HomePage() {
-  return (
+  redirect("/login");
-    <div className="font-sans grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20">
+  return <div>dashboard</div>;
-      <main className="flex flex-col gap-[32px] row-start-2 items-center sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="font-mono list-inside list-decimal text-sm/6 text-center sm:text-left">
-          <li className="mb-2 tracking-[-.01em]">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] font-mono font-semibold px-1 py-0.5 rounded">
-              app/page.tsx
-            </code>
-            .
-          </li>
-          <li className="tracking-[-.01em]">
-            Save and see your changes instantly.
-          </li>
-        </ol>
-
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
-          <a
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:w-auto"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={20}
-              height={20}
-            />
-            Deploy now
-          </a>
-          <a
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 w-full sm:w-auto md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Read our docs
-          </a>
-        </div>
-      </main>
-      <footer className="row-start-3 flex gap-[24px] flex-wrap items-center justify-center">
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/file.svg"
-            alt="File icon"
-            width={16}
-            height={16}
-          />
-          Learn
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/window.svg"
-            alt="Window icon"
-            width={16}
-            height={16}
-          />
-          Examples
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
-    </div>
-  );
 }

components/Navbar.tsx

@@ -0,0 +1,29 @@
+"use client";
+import Link from "next/link";
+import { useAuthStore } from "@/store/authStore";
+
+export default function Navbar() {
+  const { user, logout } = useAuthStore();
+
+  return (
+    <nav className="bg-gray-800 text-white p-4 flex justify-between items-center">
+      <div className="font-bold text-xl">Website Builder</div>
+      <div className="space-x-4">
+        <Link href="/">Home</Link>
+        {user ? (
+          <>
+            <span>{user.email}</span>
+            <button onClick={logout} className="bg-red-600 px-2 py-1 rounded">
+              Logout
+            </button>
+          </>
+        ) : (
+          <>
+            <Link href="/login">Login</Link>
+            <Link href="/signup">Signup</Link>
+          </>
+        )}
+      </div>
+    </nav>
+  );
+}

lib/firebase.ts

@@ -0,0 +1,15 @@
+import { initializeApp } from "firebase/app";
+import { getAuth, GoogleAuthProvider } from "firebase/auth";
+
+const firebaseConfig = {
+  apiKey: process.env.NEXT_PUBLIC_FIREBASE_API_KEY!,
+  authDomain: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN!,
+  projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID!,
+  storageBucket: process.env.NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET!,
+  messagingSenderId: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID!,
+  appId: process.env.NEXT_PUBLIC_FIREBASE_APP_ID!,
+};
+
+const app = initializeApp(firebaseConfig);
+export const auth = getAuth(app);
+export const googleProvider = new GoogleAuthProvider();

package.json

@@ -13,6 +13,7 @@
     "@dnd-kit/modifiers": "^9.0.0",
     "@dnd-kit/sortable": "^10.0.0",
     "axios": "^1.11.0",
+    "firebase": "^12.2.1",
     "lucide-react": "^0.542.0",
     "next": "^15.5.2",
     "react": "19.1.0",

store/authStore.ts

@@ -0,0 +1,50 @@
+"use client";
+import { create } from "zustand";
+import { auth } from "@/lib/firebase";
+import { User, onAuthStateChanged, signOut, getIdToken } from "firebase/auth";
+
+interface AuthState {
+  user: User | null;
+  token: string | null;
+  loading: boolean;
+  setUser: (user: User | null) => void;
+  setToken: (token: string | null) => void;
+  setLoading: (loading: boolean) => void;
+  fetchToken: (user: User) => Promise<void>;
+  logout: () => Promise<void>;
+}
+
+export const useAuthStore = create<AuthState>((set) => ({
+  user: null,
+  token: null,
+  loading: true,
+
+  setUser: (user) => set({ user }),
+  setToken: (token) => set({ token }),
+  setLoading: (loading) => set({ loading }),
+
+  fetchToken: async (user) => {
+    const idToken = await getIdToken(user, true);
+    set({ token: idToken });
+  },
+
+  logout: async () => {
+    await signOut(auth);
+    set({ user: null, token: null, loading: false });
+  },
+}));
+
+// ✅ Firebase observer
+onAuthStateChanged(auth, async (user) => {
+  const store = useAuthStore.getState();
+
+  if (user) {
+    store.setUser(user);
+    await store.fetchToken(user);
+    store.setLoading(false);
+  } else {
+    store.setUser(null);
+    store.setToken(null);
+    store.setLoading(false);
+  }
+});