issue #39

- 로그인 이후 access/refresh token 생성 및 반환 로직 구현

src/middleware/auth/jwt.strategy.ts

@@ -0,0 +1,27 @@
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { JwtService } from '@nestjs/jwt';
+import { PassportStrategy } from '@nestjs/passport';
+import { ExtractJwt, Strategy } from 'passport-jwt';
+import { AccountRepo } from 'src/modules/account/account.repo';
+
+@Injectable()
+export class JwtStrategy extends PassportStrategy(Strategy) {
+  constructor(
+    private readonly accountRepo: AccountRepo
+    , private readonly configService: ConfigService
+    , private readonly jwtService: JwtService
+  ) {
+    super({
+      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+      ignoreExpiration: false,
+      secretOrKey: configService.get<string>('JWT_SECRET')!
+    });
+  }
+
+  async validate(payload: any) {
+    const account = await this.accountRepo.findById(payload.id);
+    if (!account || account.length < 1) throw new UnauthorizedException();
+    return account[0];
+  }
+}