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import NextAuth, { NextAuthOptions, getServerSession } from "next-auth";
import type { Adapter } from "next-auth/adapters";
import AuthentikProvider from "next-auth/providers/authentik";
import serverConfig from "@hoarder/shared/config";
import { db } from "@hoarder/db";
import { DefaultSession } from "next-auth";
import * as bcrypt from "bcrypt";
import CredentialsProvider from "next-auth/providers/credentials";
import { DrizzleAdapter } from "@auth/drizzle-adapter";
import { randomBytes } from "crypto";
import { Provider } from "next-auth/providers/index";
import { apiKeys } from "@hoarder/db/schema";
declare module "next-auth/jwt" {
export interface JWT {
user: {
id: string;
} & DefaultSession["user"];
}
}
declare module "next-auth" {
/**
* Returned by `useSession`, `getSession` and received as a prop on the `SessionProvider` React Context
*/
export interface Session {
user: {
id: string;
} & DefaultSession["user"];
}
}
const providers: Provider[] = [
CredentialsProvider({
// The name to display on the sign in form (e.g. "Sign in with...")
name: "Credentials",
credentials: {
email: { label: "Email", type: "email", placeholder: "Email" },
password: { label: "Password", type: "password" },
},
async authorize(credentials) {
if (!credentials) {
return null;
}
try {
return await validatePassword(
credentials?.email,
credentials?.password,
);
} catch (e) {
return null;
}
},
}),
];
if (serverConfig.auth.authentik) {
providers.push(AuthentikProvider(serverConfig.auth.authentik));
}
export const authOptions: NextAuthOptions = {
// https://github.com/nextauthjs/next-auth/issues/9493
adapter: DrizzleAdapter(db) as Adapter,
providers: providers,
session: {
strategy: "jwt",
},
callbacks: {
async jwt({ token, user }) {
if (user) {
token.user = {
id: user.id,
name: user.name,
email: user.email,
image: user.image,
};
}
return token;
},
async session({ session, token }) {
session.user = { ...token.user };
return session;
},
},
};
export const authHandler = NextAuth(authOptions);
export const getServerAuthSession = () => getServerSession(authOptions);
// API Keys
const BCRYPT_SALT_ROUNDS = 10;
const API_KEY_PREFIX = "ak1";
export async function generateApiKey(name: string, userId: string) {
const id = randomBytes(10).toString("hex");
const secret = randomBytes(10).toString("hex");
const secretHash = await bcrypt.hash(secret, BCRYPT_SALT_ROUNDS);
const plain = `${API_KEY_PREFIX}_${id}_${secret}`;
const key = (
await db
.insert(apiKeys)
.values({
name: name,
userId: userId,
keyId: id,
keyHash: secretHash,
})
.returning()
)[0];
return {
id: key.id,
name: key.name,
createdAt: key.createdAt,
key: plain,
};
}
function parseApiKey(plain: string) {
const parts = plain.split("_");
if (parts.length != 3) {
throw new Error(
`Malformd API key. API keys should have 3 segments, found ${parts.length} instead.`,
);
}
if (parts[0] !== API_KEY_PREFIX) {
throw new Error(`Malformd API key. Got unexpected key prefix.`);
}
return {
keyId: parts[1],
keySecret: parts[2],
};
}
export async function authenticateApiKey(key: string) {
const { keyId, keySecret } = parseApiKey(key);
const apiKey = await db.query.apiKeys.findFirst({
where: (k, { eq }) => eq(k.keyId, keyId),
with: {
user: true,
},
});
if (!apiKey) {
throw new Error("API key not found");
}
const hash = apiKey.keyHash;
const validation = await bcrypt.compare(keySecret, hash);
if (!validation) {
throw new Error("Invalid API Key");
}
return apiKey.user;
}
export async function hashPassword(password: string) {
return bcrypt.hash(password, BCRYPT_SALT_ROUNDS);
}
export async function validatePassword(email: string, password: string) {
const user = await db.query.users.findFirst({
where: (u, { eq }) => eq(u.email, email),
});
if (!user) {
throw new Error("User not found");
}
if (!user.password) {
throw new Error("This user doesn't have a password defined");
}
const validation = await bcrypt.compare(password, user.password);
if (!validation) {
throw new Error("Wrong password");
}
return user;
}
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