more auth

package.json

@@ -21,6 +21,7 @@
     "@nestjs/common": "^9.0.0",
     "@nestjs/core": "^9.0.0",
     "@nestjs/graphql": "^10.1.7",
+    "@nestjs/jwt": "^10.0.1",
     "@nestjs/mercurius": "^10.1.7",
     "@nestjs/mongoose": "^9.2.1",
     "@nestjs/passport": "^9.0.0",
@@ -33,6 +34,7 @@
     "mongoose": "^6.8.2",
     "nestjs-pino": "^3.1.1",
     "passport": "^0.6.0",
+    "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
     "pino-http": "^8.3.1",
     "reflect-metadata": "^0.1.13",
@@ -44,6 +46,7 @@
     "@nestjs/testing": "^9.0.0",
     "@types/jest": "29.2.5",
     "@types/node": "18.11.18",
+    "@types/passport-jwt": "^3.0.8",
     "@types/passport-local": "^1.0.35",
     "@types/supertest": "^2.0.11",
     "@typescript-eslint/eslint-plugin": "^5.0.0",

src/app.module.ts

@@ -8,6 +8,8 @@ import { MessageModule } from './messages/message.module';
 import { CommonModule } from './common/common.module';
 import { UsersModule } from './users/users.module';
 import { AuthenticationModule } from './authentication/authentication.module';
+import { APP_GUARD } from '@nestjs/core';
+import { JwtAuthGuard } from './authentication/guards/jwt-auth.guard';
 
 @Module({
   imports: [
@@ -26,6 +28,11 @@ import { AuthenticationModule } from './authentication/authentication.module';
     UsersModule,
   ],
   controllers: [],
-  providers: [],
+  providers: [
+    {
+      provide: APP_GUARD,
+      useClass: JwtAuthGuard,
+    },
+  ],
 })
 export class AppModule {}

src/authentication/authentication.module.ts

@@ -5,11 +5,28 @@ import { LocalStrategy } from './strategies/local.strategy';
 import { PassportModule } from '@nestjs/passport';
 import { LoginController } from './controllers/login.controller';
 import { LocalAuthGuard } from './guards/local-auth.guard';
+import { JwtModule } from '@nestjs/jwt';
+import { jwtConstants } from './constant';
+import { JwtStrategy } from './strategies/jwt.strategy';
+import { JwtAuthGuard } from './guards/jwt-auth.guard';
 
 @Module({
   controllers: [LoginController],
-  exports: [LocalAuthGuard],
-  imports: [UsersModule, PassportModule],
-  providers: [AuthenticationService, LocalStrategy],
+  exports: [AuthenticationService],
+  imports: [
+    UsersModule,
+    PassportModule,
+    JwtModule.register({
+      secret: jwtConstants.secret,
+      signOptions: { expiresIn: '60s' },
+    }),
+  ],
+  providers: [
+    AuthenticationService,
+    LocalAuthGuard,
+    JwtAuthGuard,
+    LocalStrategy,
+    JwtStrategy,
+  ],
 })
 export class AuthenticationModule {}

src/authentication/authentication.service.ts

@@ -1,16 +1,28 @@
 import { Injectable } from '@nestjs/common';
 import { UsersService } from 'src/users/users.service';
+import { JwtService } from '@nestjs/jwt';
 
 @Injectable()
 export class AuthenticationService {
-  constructor(private usersService: UsersService) {}
+  constructor(
+    private usersService: UsersService,
+    private jwtService: JwtService,
+  ) {}
 
   async validateUser(username: string, pass: string): Promise<any> {
     const user = await this.usersService.findOne(username);
     if (user && user.password === pass) {
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
       const { password, ...result } = user;
       return result;
     }
     return null;
   }
+
+  async login(user: any) {
+    const payload = { username: user.username, sub: user.userId };
+    return {
+      access_token: this.jwtService.sign(payload),
+    };
+  }
 }