feat: generate jwt on login

package.json

@@ -24,6 +24,7 @@
     "@nestjs/common": "^8.0.0",
     "@nestjs/config": "^1.0.1",
     "@nestjs/core": "^8.0.0",
+    "@nestjs/jwt": "^8.0.0",
     "@nestjs/mapped-types": "*",
     "@nestjs/passport": "^8.0.1",
     "@nestjs/platform-express": "^8.0.0",
@@ -53,6 +54,7 @@
     "@types/express": "^4.17.13",
     "@types/jest": "^27.0.1",
     "@types/node": "^16.0.0",
+    "@types/passport-jwt": "^3.0.6",
     "@types/passport-local": "^1.0.34",
     "@types/supertest": "^2.0.11",
     "@typescript-eslint/eslint-plugin": "^4.28.2",

src/app.module.ts

@@ -21,10 +21,11 @@ import configuration from './config/configuration';
           .valid('development', 'production', 'test', 'provision')
           .default('development'),
         PORT: Joi.number().default(3000),
-        DATABASE_CLIENT: Joi.valid('mysql', 'postgres'),
-        DATABASE_HOST: Joi.string(),
-        DATABASE_NAME: Joi.string(),
-        DATABASE_USERNAME: Joi.string(),
+        SECRET: Joi.string().required(),
+        DATABASE_CLIENT: Joi.valid('mysql', 'postgres').required(),
+        DATABASE_HOST: Joi.string().required(),
+        DATABASE_NAME: Joi.string().required(),
+        DATABASE_USERNAME: Joi.string().required(),
         DATABASE_PASSWORD: Joi.string().empty('').default(''),
         DATABASE_PORT: Joi.number().default(5432),
       }),

src/auth/auth.controller.ts

@@ -1,14 +1,17 @@
 import { Controller, Post, UseGuards, Request } from '@nestjs/common';
 import { LocalAuthGuard } from './local-auth.guard';
+import { AuthService } from './auth.service';
 
 @Controller({
   path: 'auth',
   version: '1',
 })
 export class AuthController {
+  constructor(private authService: AuthService) {}
+
   @UseGuards(LocalAuthGuard)
   @Post('login')
   async login(@Request() req) {
-    return req.user;
+    return this.authService.login(req.user);
   }
 }

src/auth/auth.module.ts

@@ -4,9 +4,24 @@ import { UsersModule } from '../users/users.module';
 import { PassportModule } from '@nestjs/passport';
 import { LocalStrategy } from './local.strategy';
 import { AuthController } from './auth.controller';
+import { JwtModule } from '@nestjs/jwt';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 
 @Module({
-  imports: [UsersModule, PassportModule],
+  imports: [
+    UsersModule,
+    PassportModule,
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: (configService: ConfigService) => {
+        return {
+          secret: configService.get<string>('secret'),
+          signOptions: { expiresIn: '1d' },
+        };
+      },
+    }),
+  ],
   providers: [AuthService, LocalStrategy],
   controllers: [AuthController],
 })

src/auth/auth.service.ts

@@ -1,10 +1,14 @@
 import { Injectable } from '@nestjs/common';
 import { UsersService } from '../users/users.service';
 import { hashPassword } from '../helper/hash_password';
+import { JwtService } from '@nestjs/jwt';
 
 @Injectable()
 export class AuthService {
-  constructor(private usersService: UsersService) {}
+  constructor(
+    private usersService: UsersService,
+    private jwtService: JwtService,
+  ) {}
 
   async validateUser(username: string, pass: string): Promise<any> {
     const user = await this.usersService.findOneByUsername(username);
@@ -17,4 +21,15 @@ export class AuthService {
 
     return null;
   }
+
+  async login(user: any) {
+    const payload = {
+      username: user.username,
+      sub: user.userId,
+    };
+
+    return {
+      access_token: this.jwtService.sign(payload),
+    };
+  }
 }

src/config/configuration.ts

@@ -1,6 +1,7 @@
 export default () => {
   return {
     port: parseInt(process.env.PORT, 10) || 3000,
+    secret: process.env.SECRET,
     database: {
       client: process.env.DATABASE_CLIENT,
       host: process.env.DATABASE_HOST,

yarn.lock

@@ -675,6 +675,14 @@
     tslib "2.3.1"
     uuid "8.3.2"
 
+"@nestjs/jwt@^8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@nestjs/jwt/-/jwt-8.0.0.tgz#6c811c17634252dd1dcd5dabf409dbd692b812da"
+  integrity sha512-fz2LQgYY2zmuD8S+8UE215anwKyXlnB/1FwJQLVR47clNfMeFMK8WCxmn6xdPhF5JKuV1crO6FVabb1qWzDxqQ==
+  dependencies:
+    "@types/jsonwebtoken" "8.5.4"
+    jsonwebtoken "8.5.1"
+
 "@nestjs/mapped-types@*":
   version "1.0.0"
   resolved "https://registry.npmjs.org/@nestjs/mapped-types/-/mapped-types-1.0.0.tgz"
@@ -963,6 +971,20 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha1-7ihweulOEdK4J7y+UnC86n8+ce4=
 
+"@types/jsonwebtoken@*":
+  version "8.5.6"
+  resolved "https://registry.yarnpkg.com/@types/jsonwebtoken/-/jsonwebtoken-8.5.6.tgz#1913e5a61e70a192c5a444623da4901a7b1a9d42"
+  integrity sha512-+P3O/xC7nzVizIi5VbF34YtqSonFsdnbXBnWUCYRiKOi1f9gA4sEFvXkrGr/QVV23IbMYvcoerI7nnhDUiWXRQ==
+  dependencies:
+    "@types/node" "*"
+
+"@types/jsonwebtoken@8.5.4":
+  version "8.5.4"
+  resolved "https://registry.yarnpkg.com/@types/jsonwebtoken/-/jsonwebtoken-8.5.4.tgz#50ccaf0aa6f5d7b9956e70fe323b76e582991913"
+  integrity sha512-4L8msWK31oXwdtC81RmRBAULd0ShnAHjBuKT9MRQpjP0piNrZdXyTRcKY9/UIfhGeKIT4PvF5amOOUbbT/9Wpg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/mime@^1":
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-1.3.2.tgz#93e25bf9ee75fe0fd80b594bc4feb0e862111b5a"
@@ -978,6 +1000,15 @@
   resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
   integrity sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==
 
+"@types/passport-jwt@^3.0.6":
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/@types/passport-jwt/-/passport-jwt-3.0.6.tgz#41cc8b5803d5f5f06eb33e19c453b42716def4f1"
+  integrity sha512-cmAAMIRTaEwpqxlrZyiEY9kdibk94gP5KTF8AT1Ra4rWNZYHNMreqhKUEeC5WJtuN5SJZjPQmV+XO2P5PlnvNQ==
+  dependencies:
+    "@types/express" "*"
+    "@types/jsonwebtoken" "*"
+    "@types/passport-strategy" "*"
+
 "@types/passport-local@^1.0.34":
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/@types/passport-local/-/passport-local-1.0.34.tgz#84d3b35b2fd4d36295039ded17fe5f3eaa62f4f6"
@@ -3788,7 +3819,7 @@ jsonfile@^6.0.1:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-jsonwebtoken@^8.2.0:
+jsonwebtoken@8.5.1, jsonwebtoken@^8.2.0:
   version "8.5.1"
   resolved "https://registry.yarnpkg.com/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz#00e71e0b8df54c2121a1f26137df2280673bcc0d"
   integrity sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==