waveform/auth.ts

115 lines
3.4 KiB
TypeScript

/**
* @file auth.ts
* @description NextAuth configuration handling authentication and lightweight ID-only session management.
*/
import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { db } from "@/db";
import { users } from "@/db/schema";
import { eq } from "drizzle-orm";
import { verifyPassword } from "@/lib/password";
/**
* NextAuth handlers, authentication methods, and auth utility exports.
*/
export const { handlers, signIn, signOut, auth } = NextAuth({
providers: [
Credentials({
credentials: {
email: { label: "Email", type: "email" },
password: { label: "Password", type: "password" },
},
/**
* Authorizes user credentials against database records.
*
* @function authorize
* @param {Record<string, unknown> | undefined} credentials - The incoming sign-in credentials containing email and password.
* @returns {Promise<{ id: string } | null>} The authenticated user object containing only the user ID, or null if validation fails.
*/
authorize: async (credentials) => {
const email = credentials?.email as string | undefined;
const password = credentials?.password as string | undefined;
if (!email || !password) {
return null;
}
const [user] = await db
.select()
.from(users)
.where(eq(users.email, email))
.limit(1);
if (!user || !user.password) {
return null;
}
const isValid = await verifyPassword(password, user.password);
if (!isValid) {
return null;
}
return {
id: user.id,
};
},
}),
],
callbacks: {
/**
* Populates the JWT token with the user ID upon initial sign in.
*
* @function jwt
* @param {Object} params - The callback parameters.
* @param {import("next-auth/jwt").JWT} params.token - The current JSON Web Token.
* @param {import("next-auth").User} [params.user] - The authenticated user object (available on first sign in).
* @returns {import("next-auth/jwt").JWT} The updated JWT token.
*/
jwt({ token, user }) {
if (user) {
token.id = user.id;
}
return token;
},
/**
* Attaches the user ID from the JWT token to the active session.
*
* @function session
* @param {Object} params - The callback parameters.
* @param {import("next-auth").Session} params.session - The current user session object.
* @param {import("next-auth/jwt").JWT} params.token - The active JSON Web Token.
* @returns {import("next-auth").Session} The updated session object.
*/
session({ session, token }) {
if (token && session.user) {
session.user.id = token.id as string;
}
return session;
},
},
events: {
/**
* Updates the user's status to ONLINE and refreshes lastSeenAt upon successful sign in.
*
* @function signIn
* @param {Object} params - The event parameters.
* @param {import("next-auth").User} params.user - The signed-in user object.
* @returns {Promise<void>}
*/
async signIn({ user }) {
if (user?.id) {
await db
.update(users)
.set({
status: "ONLINE",
lastSeenAt: new Date(),
})
.where(eq(users.id, user.id));
}
},
},
pages: {
signIn: "/login",
},
});