Files
NextEdu/src/auth.ts
2026-02-24 15:50:38 +08:00

101 lines
3.0 KiB
TypeScript

import { compare, hash } from "bcryptjs"
import NextAuth from "next-auth"
import Credentials from "next-auth/providers/credentials"
const normalizeRole = (value: unknown) => {
const role = String(value ?? "").trim().toLowerCase()
if (role === "admin" || role === "student" || role === "teacher" || role === "parent") return role
return "student"
}
const normalizeBcryptHash = (value: string) => {
if (value.startsWith("$2")) return value
if (value.startsWith("$")) return `$2b${value}`
return `$2b$${value}`
}
export const { handlers, auth, signIn, signOut } = NextAuth({
trustHost: true,
secret: process.env.NEXTAUTH_SECRET,
session: { strategy: "jwt" },
pages: { signIn: "/login" },
providers: [
Credentials({
credentials: {
email: { label: "Email", type: "email" },
password: { label: "Password", type: "password" },
},
authorize: async (credentials) => {
const email = String(credentials?.email ?? "").trim().toLowerCase()
const password = String(credentials?.password ?? "")
if (!email || !password) return null
const [{ eq }, { db }, { users }] = await Promise.all([
import("drizzle-orm"),
import("@/shared/db"),
import("@/shared/db/schema"),
])
const user = await db.query.users.findFirst({
where: eq(users.email, email),
})
if (!user) return null
const storedPassword = user.password ?? null
if (!storedPassword) return null
const normalizedPassword = normalizeBcryptHash(storedPassword)
if (!normalizedPassword.startsWith("$2")) return null
const ok = await compare(password, normalizedPassword)
if (!ok) return null
return {
id: user.id,
name: user.name ?? undefined,
email: user.email,
role: normalizeRole(user.role),
}
},
}),
],
callbacks: {
jwt: async ({ token, user }) => {
if (user) {
token.id = (user as { id: string }).id
token.role = normalizeRole((user as { role?: string }).role)
token.name = (user as { name?: string }).name
}
const userId = String(token.id ?? "").trim()
if (userId) {
const [{ eq }, { db }, { users }] = await Promise.all([
import("drizzle-orm"),
import("@/shared/db"),
import("@/shared/db/schema"),
])
const fresh = await db.query.users.findFirst({
where: eq(users.id, userId),
columns: { role: true, name: true },
})
if (fresh) {
token.role = normalizeRole(fresh.role ?? token.role)
token.name = fresh.name ?? token.name
}
}
return token
},
session: async ({ session, token }) => {
if (session.user) {
session.user.id = String(token.id ?? "")
session.user.role = normalizeRole(token.role)
if (typeof token.name === "string") {
session.user.name = token.name
}
}
return session
},
},
})