add jwt

src/app.module.ts

@@ -1,13 +1,13 @@
-import { Module } from '@nestjs/common';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
-import { TypeOrmModule } from '@nestjs/typeorm';
-import { ConfigModule, ConfigService } from '@nestjs/config';
+import {Module} from '@nestjs/common';
+import {AppController} from './app.controller';
+import {AppService} from './app.service';
+import {TypeOrmModule} from '@nestjs/typeorm';
+import {ConfigModule, ConfigService} from '@nestjs/config';
 import * as Joi from 'joi';
 import {UsersModule} from "./users/user.module";
 import {AuthenticationModule} from "./authentication/authentication.module";
-import { PostsModule } from './posts/posts.module';
-import { CategoriesModule } from './categories/categories.module';
+import {PostsModule} from './posts/posts.module';
+import {CategoriesModule} from './categories/categories.module';
 import {FilesModule} from "./files/file.module";
 
 @Module({
@@ -36,6 +36,10 @@ import {FilesModule} from "./files/file.module";
                 S3_BUCKET: Joi.string().required(),
                 S3_ACCESS_KEY: Joi.string().required(),
                 S3_ENDPOINT: Joi.string().required(),
+                JWT_ACCESS_TOKEN_SECRET: Joi.string().required(),
+                JWT_ACCESS_TOKEN_EXPIRATION_TIME: Joi.string().required(),
+                JWT_REFRESH_TOKEN_SECRET: Joi.string().required(),
+                JWT_REFRESH_TOKEN_EXPIRATION_TIME: Joi.string().required(),
             })
         }),
         UsersModule,
@@ -47,4 +51,5 @@ import {FilesModule} from "./files/file.module";
     controllers: [AppController],
     providers: [AppService],
 })
-export class AppModule {}
+export class AppModule {
+}

src/authentication/authentication.controller.ts

@@ -17,12 +17,12 @@ import JwtAuthenticationGuard from './jwt-authentication.guard';
 // import {EmailConfirmationService} from '../emailConfirmation/emailConfirmation.service';
 import {ApiBody} from '@nestjs/swagger';
 import LogInDto from './dto/logIn.dto';
-import { UsersService } from 'src/users/user.service';
+import {UsersService} from 'src/users/user.service';
 
 @Controller('authentication')
 @UseInterceptors(ClassSerializerInterceptor)
 @SerializeOptions({
-  strategy: 'excludeAll'
+    strategy: 'excludeAll'
 })
 export class AuthenticationController {
     constructor(
@@ -87,4 +87,14 @@ export class AuthenticationController {
         return user;
     }
 
+    @UseGuards(JwtRefreshGuard)
+    @Get('refresh')
+    refresh(@Req() request: RequestWithUser) {
+        const accessTokenCookie = this.authenticationService.getCookieWithJwtAccessToken(request.user.id);
+
+        request.res.setHeader('Set-Cookie', accessTokenCookie);
+        return request.user;
+    }
+
+
 }

src/authentication/jwt-refresh-token.strategy.ts

@@ -0,0 +1,30 @@
+import { ExtractJwt, Strategy } from 'passport-jwt';
+import { PassportStrategy } from '@nestjs/passport';
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { Request } from 'express';
+import {UsersService} from "../users/user.service";
+
+@Injectable()
+export class JwtRefreshTokenStrategy extends PassportStrategy(
+  Strategy,
+  'jwt-refresh-token'
+) {
+  constructor(
+    private readonly configService: ConfigService,
+    private readonly userService: UsersService,
+  ) {
+    super({
+      jwtFromRequest: ExtractJwt.fromExtractors([(request: Request) => {
+        return request?.cookies?.Refresh;
+      }]),
+      secretOrKey: configService.get('JWT_REFRESH_TOKEN_SECRET'),
+      passReqToCallback: true,
+    });
+  }
+
+  async validate(request: Request, payload: TokenPayload) {
+    const refreshToken = request.cookies?.Refresh;
+    return this.userService.getUserIfRefreshTokenMatches(refreshToken, payload.userId);
+  }
+}

src/authentication/jwtRefreshGuard.guard.ts

@@ -0,0 +1,5 @@
+import { Injectable } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+
+@Injectable()
+export default class JwtRefreshGuard extends AuthGuard('jwt-refresh-token') {}

src/users/user.service.ts

@@ -34,6 +34,19 @@ export class UsersService {
         throw new HttpException('User with this id does not exist', HttpStatus.NOT_FOUND);
     }
 
+    async getUserIfRefreshTokenMatches(refreshToken: string, userId: number) {
+        const user = await this.getById(userId);
+
+        const isRefreshTokenMatching = await bcrypt.compare(
+            refreshToken,
+            user.currentHashedRefreshToken
+        );
+
+        if (isRefreshTokenMatching) {
+            return user;
+        }
+    }
+
     async addAvatar(userId: number, imageBuffer: Buffer, filename: string) {
         const avatar = await this.filesService.uploadPublicFile(imageBuffer, filename);
         const user = await this.getById(userId);
@@ -62,5 +75,4 @@ export class UsersService {
             currentHashedRefreshToken: null,
         });
     }
-
 }