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• nlw-heat-node-master
  • src
    • app.ts
    • services
      • AuthenticateUserService.ts
      • CreateMessageService.ts
      • GetLast3MessagesService.ts
      • ProfileUserService.ts
    • server.ts
    • middleware
      • ensureAuthenticated.ts
    • controllers
      • CreateMessageController.ts
      • AuthenticateUserController.ts
      • GetLast3MessagesController.ts
      • ProfileUserController.ts
    • routes.ts
    • prisma
      • index.ts
    • @types
      • express
        • index.d.ts
  • public
    • index.html
  • .env.example
  • LICENSE
  • prisma
    • migrations
      • migration_lock.toml
      • 20211014203404_create_user
        • migration.sql
      • 20211014204924_create_messages
        • migration.sql
    • schema.prisma
  • README.md
  • package.json
  • tsconfig.json
  • .gitignore

import { Request, Response, NextFunction } from "express";
import { verify } from "jsonwebtoken";

interface IPayload {
  sub: string;
}

export function ensureAuthenticated(
  request: Request,
  response: Response,
  next: NextFunction
) {
  const authToken = request.headers.authorization;

  if (!authToken) {
    return response.status(401).json({
      errorCode: "token.invalid",
    });
  }

  //Bearer 8934589345djisdjfk834u25ndsfksdkf
  // [0] Bearer
  // [1] 8934589345djisdjfk834u25ndsfksdkf

  const [, token] = authToken.split(" ");

  try {
    const { sub } = verify(token, process.env.JWT_SECRET) as IPayload;

    request.user_id = sub;

    return next();
  } catch (err) {
    return response.status(401).json({ errorCode: "token.expired" });
  }
}