@next-nest-auth/nestauth/src/nestauth-local.strategy.ts

NestAuth is an authentication solution for NestJS applications, designed to handle user login, session management, and token-based authentication (JWT). It integrates seamlessly with Next.js and other frontends to provide a unified authentication system,

import { PassportStrategy } from "@nestjs/passport";
import { Strategy } from "passport-custom";
import { Inject, Injectable, UnauthorizedException } from "@nestjs/common";
import { NestAuthInterface } from "./nestauth.interface";
import * as macaddress from "macaddress";

@Injectable()
export class NestAuthLocalStrategy extends PassportStrategy(
    Strategy,
    "nestauth-local"
) {
    constructor(
        @Inject("UserService") private readonly userService: NestAuthInterface
    ) {
        super();
    }

    async validate(req: Request): Promise<any> {
        const user = await this.userService.validateUser(req.body);
        if (!user) {
            throw new UnauthorizedException("Invalid credentials");
        }
        user.macId = await macaddress.one();
        return user;
    }
}