@next-nest-auth/nestauth/src/nestauth.controller.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 {
  Request,
  Controller,
  Get,
  Post,
  UseGuards,
  Body,
  UnauthorizedException,
  HttpStatus,
  All,
  BadRequestException,
  UseFilters,
  Inject,
} from "@nestjs/common";
import { NestAuthService } from "./nestauth.service";
import { NestAuthGoogleGuard } from "./nestauth-google.guard";
import { NestAuthFacebookGuard } from "./nestauth-facebook.guard";
import { HttpExceptionFilter } from "./http-exception.filter";

export function createDynamicController(
  prefix: string,
  nestAuthServiceToken: string,
  localGuard: any,
) {
  @UseFilters(HttpExceptionFilter)
  @Controller(prefix)
  class NestAuthController {
    constructor(
      @Inject(nestAuthServiceToken)
      readonly nestAuthService: NestAuthService,
    ) {}

    @All()
    async greetings(): Promise<string> {
      return "Welcome to NestAuth. Please check our documentation for more information.";
    }

    @UseGuards(localGuard)
    @Post("login")
    async login(@Request() req: any): Promise<any> {
      // console.log("nestAuthServiceToken", nestAuthServiceToken);
      return this.nestAuthService.login(req.user);
    }

    @Post("refresh-token")
    refreshToken(@Body() params: { refresh_token: string }): Promise<any> {
      if (!params.refresh_token) {
        throw new BadRequestException("Invalid or expired refresh token");
      }
      return this.nestAuthService.refreshToken(params.refresh_token);
    }

    @UseGuards(NestAuthGoogleGuard)
    @Get("google")
    async googleAuth(@Request() req: any): Promise<any> {}

    @Get("google-redirect")
    @UseGuards(NestAuthGoogleGuard)
    googleAuthRedirect(@Request() req) {
      if (!req.user) {
        throw new UnauthorizedException("Unable to login with Google");
      }
      return this.nestAuthService.google(req.user);
    }

    @Get("/facebook")
    @UseGuards(NestAuthFacebookGuard)
    async facebookLogin(): Promise<any> {
      return HttpStatus.OK;
    }

    @Get("/facebook-redirect")
    @UseGuards(NestAuthFacebookGuard)
    async facebookLoginRedirect(@Request() req): Promise<any> {
      if (!req.user) {
        throw new UnauthorizedException("Unable to login with Facebook");
      }
      return this.nestAuthService.facebook(req.user);
    }

    @UseGuards(localGuard)
    @Get("logout")
    async logout(@Request() req: any) {
      return req.logout();
    }
  }

  return NestAuthController;
}