Comment utiliser Redis dans Node.js ? Il s'avère que c'est aussi simple que ça !

REDIS_HOST：Redis 域名
REDIS_PORT：Redis 端口号
REDIS_DB： Redis 数据库
REDIS_PASSPORT：Redis 设置的密码

npm install cache-manager --save
npm install cache-manager-redis-store --save
npm install @types/cache-manager -D

import { ConfigModule, ConfigService } from '@nestjs/config';
import { RedisCacheService } from './redis-cache.service';
import { CacheModule, Module, Global } from '@nestjs/common';
import * as redisStore from 'cache-manager-redis-store';

@Module({
  imports: [
    CacheModule.registerAsync({
      isGlobal: true,
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: async (configService: ConfigService) => {
        return {
          store: redisStore,
          host: configService.get('REDIS_HOST'),
          port: configService.get('REDIS_PORT'),
          db: 0, //目标库,
          auth_pass:  configService.get('REDIS_PASSPORT') // 密码,没有可以不写
        };
      },
    }),
  ],
  providers: [RedisCacheService],
  exports: [RedisCacheService],
})
export class RedisCacheModule {}

import { Injectable, Inject, CACHE_MANAGER } from '@nestjs/common';
import { Cache } from 'cache-manager';

@Injectable()
export class RedisCacheService {
  constructor(
    @Inject(CACHE_MANAGER)
    private cacheManager: Cache,
  ) {}

  cacheSet(key: string, value: string, ttl: number) {
    this.cacheManager.set(key, value, { ttl }, (err) => {
      if (err) throw err;
    });
  }

  async cacheGet(key: string): Promise<any> {
    return this.cacheManager.get(key);
  }
}

// auth.service.ts
 async login(user: Partial<User>) {
    const token = this.createToken({
      id: user.id,
      username: user.username,
      role: user.role,
    });

+   await this.redisCacheService.cacheSet(
+     `${user.id}&${user.username}&${user.role}`,
+     token,
+     1800,
+   );
    return { token };
 }

// jwt.strategy.ts
+ import { RedisCacheService } from './../core/db/redis-cache.service';

export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(
    @InjectRepository(User)
    private readonly userRepository: Repository<User>,
    private readonly authService: AuthService,
    private readonly configService: ConfigService,
+   private readonly redisCacheService: RedisCacheService,
  ) {
    super({
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      secretOrKey: configService.get(&#39;SECRET&#39;),
+     passReqToCallback: true,
    } as StrategyOptions);
  }

  async validate(req, user: User) {
+   const token = ExtractJwt.fromAuthHeaderAsBearerToken()(req);
+   const cacheToken = await this.redisCacheService.cacheGet(
+     `${user.id}&${user.username}&${user.role}`,
+   );
+   if (!cacheToken) {
+     throw new UnauthorizedException(&#39;token 已过期&#39;);
+   }
    const existUser = await this.authService.getUser(user);
    if (!existUser) {
      throw new UnauthorizedException(&#39;token不正确&#39;);
    }
    return existUser;
  }
}

// jwt.strategy.ts
  async validate(req, user: User) {
    const token = ExtractJwt.fromAuthHeaderAsBearerToken()(req);
    const cacheToken = await this.redisCacheService.cacheGet(
      `${user.id}&${user.username}&${user.role}`,
    );
    if (!cacheToken) {
      throw new UnauthorizedException('token 已过期');
    }
+   if (token != cacheToken) {
+     throw new UnauthorizedException('token不正确');
+   }
    const existUser = await this.authService.getUser(user);
    if (!existUser) {
      throw new UnauthorizedException('token不正确');
    }
    return existUser;
  }

// auth.module.ts
const jwtModule = JwtModule.registerAsync({
  inject: [ConfigService],
  useFactory: async (configService: ConfigService) => {
    return {
      secret: configService.get('SECRET', 'test123456'),
-     signOptions: { expiresIn: '4h' },  // 取消有效期设置
    };
  },
});

// jwt.strategy.ts
 async validate(req, user: User) {
    const token = ExtractJwt.fromAuthHeaderAsBearerToken()(req);
    const cacheToken = await this.redisCacheService.cacheGet(
      `${user.id}&${user.username}&${user.role}`,
    );
    if (!cacheToken) {
      throw new UnauthorizedException('token 已过期');
    }
    if (token != cacheToken) {
      throw new UnauthorizedException('token不正确');
    }
    const existUser = await this.authService.getUser(user);
    if (!existUser) {
      throw new UnauthorizedException('token不正确');
    }
+   this.redisCacheService.cacheSet(
+     `${user.id}&${user.username}&${user.role}`,
+     token,
+     1800,
+   );
    return existUser;
  }