feat: more authentication

src/app/(editor)/layout.tsx

@@ -7,7 +7,7 @@ export default function RootLayout({
 }>) {
   return (
     <>
-      <Header />
+      <Header showToolbar />
       {children}
     </>
   );

src/app/(editor)/page.tsx

@@ -1,7 +1,15 @@
 import Link from "next/link";
+import { getAuth } from "@/lib/auth";
 import Editor from "@/components/editor/Editor";
+import { redirect } from "next/navigation";
+
+export default async function Home() {
+  const auth = await getAuth();
+
+  if (auth) {
+    redirect("/notes");
+  }
 
-export default function Home() {
   return (
     <div className="flex flex-col items-center gap-8">
       <Editor />

src/app/(noneditor)/about/page.tsx

@@ -1,7 +1,7 @@
 import { Metadata } from "next";
 
 export const metadata: Metadata = {
-  title: "About rhyme",
+  title: "About Rhyme",
   description: "Information about the Rhyme and its creators",
 };
 

src/app/(noneditor)/auth/page.tsx

@@ -2,7 +2,7 @@ import { Metadata } from "next";
 import AuthForm from "@/components/forms/AuthForm";
 
 export const metadata: Metadata = {
-  title: "Authenticate - rhyme",
+  title: "Authenticate - Rhyme",
   description: "Register or log into Rhyme account to save, show and load notes",
 };
 

src/app/(noneditor)/notes/page.tsx

@@ -0,0 +1,14 @@
+import { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "My notes - Rhyme",
+  description: "View, create and edit your notes",
+};
+
+export default function Notes() {
+  return (
+    <div>
+      <h1>Notes</h1>
+    </div>
+  );
+}

src/app/actions.ts

@@ -13,6 +13,12 @@ const JWT_SECRET = process.env.JWT_SECRET!;
 export async function authenticate(_prevState: unknown, formData: FormData) {
   const username = formData.get("username") as string;
   const password = formData.get("password") as string;
+
+  if (username.length < 3) {
+    return { error: "Username is too short!" };
+  } else if (password.length < 8) {
+    return { error: "Password is too short!" };
+  }
   
   const users = await db.select()
     .from(usersTable)
@@ -36,5 +42,11 @@ export async function authenticate(_prevState: unknown, formData: FormData) {
     maxAge: 60 * 60 * 24 * 7,
   });
 
-  redirect("/");
+  redirect("/notes");
+}
+
+export async function logOut() {
+  const cookieStore = await cookies();
+  cookieStore.delete("session");
+  redirect("/auth");
 }

src/components/Header.tsx

@@ -1,29 +1,39 @@
 import Link from "next/link";
-import { ArrowRightFromLine, CircleQuestionMark, List, Plus, UserRound } from "lucide-react";
+import { ArrowRightFromLine, CircleQuestionMark, List, Plus, UserRound, UserRoundMinus } from "lucide-react";
+import { getAuth } from "@/lib/auth";
 import HeaderButton from "./HeaderButton";
+import { logOut } from "@/app/actions";
+
+export default async function Header({ showToolbar = false }: { showToolbar?: boolean }) {
+  const auth = await getAuth();
 
-export default function Header({ showToolbar = true }: { showToolbar?: boolean }) {
   return (
     <header className="flex items-center gap-6 m-4">
-      <Link href="/">
+      <Link href={auth ? "/notes" : "/"}>
         <HeaderButton title="rhyme" className="bg-sky-600 hover:bg-sky-500" />
       </Link>
       
-      {showToolbar && (
-        <div className="flex gap-2">
-          <HeaderButton title="new" icon={<Plus size={20} />} />
-          <HeaderButton title="list" icon={<List size={20} />} />
-          <HeaderButton title="export" icon={<ArrowRightFromLine size={20} />} />
-        </div>
-      )}
+      <div className="flex gap-2">
+        {auth && (
+          <>
+            <HeaderButton title="new" icon={<Plus size={20} />} />
+            {showToolbar && <HeaderButton title="list" icon={<List size={20} />} />}
+          </>
+        )}
+        {showToolbar && <HeaderButton title="export" icon={<ArrowRightFromLine size={20} />} />}
+      </div>
 
       <div className="flex gap-2 ml-auto">
         <Link href="/about">
           <HeaderButton title="about" icon={<CircleQuestionMark size={20} />} />
         </Link>
-        <Link href="/auth">
-          <HeaderButton title="login" icon={<UserRound size={20} />} />
-        </Link>
+        {auth ? (
+          <HeaderButton onClick={logOut} title="log out" icon={<UserRoundMinus size={20} />} />
+        ) : (
+          <Link href="/auth">
+            <HeaderButton title="login" icon={<UserRound size={20} />} />
+          </Link>
+        )}
       </div>
     </header>
   );

src/components/HeaderButton.tsx

@@ -1,8 +1,13 @@
-import { ReactNode } from "react";
+import { ButtonHTMLAttributes, ReactNode } from "react";
 
-export default function HeaderButton({ title, icon, className }: { title: string, icon?: ReactNode, className?: string }) {
+interface HeaderButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  title: string;
+  icon?: ReactNode;
+}
+
+export default function HeaderButton({ title, icon, className, ...props }: HeaderButtonProps) {
   return (
-    <button className={`flex rounded bg-neutral-800 hover:bg-neutral-700 px-2 py-1 gap-2 items-center cursor-pointer ${className}`}>
+    <button className={`flex rounded bg-neutral-800 hover:bg-neutral-700 px-2 py-1 gap-2 items-center cursor-pointer ${className}`} {...props}>
       {title}
       {icon}
     </button>

src/lib/auth.ts

@@ -1,4 +1,5 @@
 import { cookies } from "next/headers";
+import jwt from "jsonwebtoken";
 
 export async function getAuth() {
   const cookieStore = await cookies();
@@ -7,5 +8,6 @@ export async function getAuth() {
     return null;
   }
 
-  // TODO
+  const decodedToken = jwt.decode(token) as jwt.JwtPayload;
+  return { username: decodedToken.sub };
 }