flowstate/auth.ts
Chneemann 9802febef3
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refactor(auth): extract handleSignOut server action into dedicated module to fix client build error
2026-08-22 06:56:07 +02:00

97 lines
3.1 KiB
TypeScript

/**
* @file auth.ts
* @description NextAuth configuration file setting up credentials authentication, database lookups via Drizzle, JWT sessions, custom pages, and a secure server-side sign out handler.
*/
import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { db } from "@/db";
import { usersTable } from "@/db/schema";
import { eq } from "drizzle-orm";
import bcrypt from "bcryptjs";
/**
* Exports NextAuth configuration handlers, authentication state checkers, and auth methods.
*/
export const { handlers, auth, signIn, signOut } = NextAuth({
providers: [
Credentials({
credentials: {
email: { label: "Email", type: "email" },
password: { label: "Password", type: "password" },
},
/**
* Authorizes a user by verifying their email and comparing hashed passwords from the database,
* updating login tracking info upon success.
*
* @async
* @param {Record<string, any>} [credentials] - The user credentials submitted via the sign-in form.
* @returns {Promise<{ id: string } | null>} The authenticated user object containing the ID or null if authorization fails.
*/
async authorize(credentials) {
if (!credentials?.email || !credentials?.password) return null;
const email = credentials.email as string;
const password = credentials.password as string;
const user = await db.query.usersTable.findFirst({
where: eq(usersTable.email, email),
});
if (!user || !user.password) return null;
const passwordsMatch = await bcrypt.compare(password, user.password);
if (!passwordsMatch) return null;
await db
.update(usersTable)
.set({
lastLogin: new Date(),
isOnline: true,
})
.where(eq(usersTable.id, user.id));
return { id: String(user.id) };
},
}),
],
pages: {
signIn: "/login",
},
session: {
strategy: "jwt",
},
callbacks: {
/**
* Adds the user ID to the JWT token upon initial sign-in.
*
* @async
* @param {Object} params - The JWT callback parameters.
* @param {import("next-auth/jwt").JWT} params.token - The current JWT token.
* @param {import("next-auth").User} [params.user] - The authenticated user object.
* @returns {Promise<import("next-auth/jwt").JWT>} The updated JWT token.
*/
async jwt({ token, user }) {
if (user) {
token.id = user.id;
}
return token;
},
/**
* Injects the user ID from the JWT token into the client session object.
*
* @async
* @param {Object} params - The session callback parameters.
* @param {import("next-auth").Session} params.session - The current session object.
* @param {import("next-auth/jwt").JWT} params.token - The decoded JWT token.
* @returns {Promise<import("next-auth").Session>} The updated session object.
*/
async session({ session, token }) {
if (token && session.user) {
session.user.id = token.id as string;
}
return session;
},
},
});