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auth.ts
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auth.ts
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import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { authConfig } from "./auth.config";
import { sql } from "@vercel/postgres";
import { z } from "zod";
import type { User } from "@/app/lib/definitions";
import bcrypt from "bcrypt";
async function getUser(email: string): Promise<User | undefined> {
try {
const user = await sql<User>`SELECT * from USERS where email=${email}`;
return user.rows[0];
} catch (error) {
console.error("Failed to fetch user:", error);
throw new Error("Failed to fetch user.");
}
}
export const { auth, signIn, signOut } = NextAuth({
...authConfig,
providers: [
Credentials({
async authorize(credentials) {
const parsedCredentials = z
.object({ email: z.string().email(), password: z.string().min(6) })
.safeParse(credentials);
if (parsedCredentials.success) {
const { email, password } = parsedCredentials.data;
const user = await getUser(email);
if (!user) return null;
const passwordsMatch = await bcrypt.compare(password, user.password);
if (passwordsMatch) return user;
}
console.log("Invalid credentials");
return null;
},
}),
],
});