基于go-zero实现JWT认证

type JwtTokenRequest struct {
}

type JwtTokenResponse struct {
  AccessToken  string `json:"access_token"`
  AccessExpire int64  `json:"access_expire"`
  RefreshAfter int64  `json:"refresh_after"` // 建议客户端刷新token的绝对时间
}

type GetUserRequest struct { 
  UserId string `json:"userId"`
}

type GetUserResponse struct {
  Name string `json:"name"`
}

service jwt-api {
  @handler JwtHandler
  post /user/token(JwtTokenRequest) returns (JwtTokenResponse)
}

@server(
  jwt: JwtAuth
)
service jwt-api {
  @handler GetUserHandler
  post /user/info(GetUserRequest) returns (GetUserResponse)
}

func (l *JwtLogic) Jwt(req types.JwtTokenRequest) (*types.JwtTokenResponse, error) {
	var accessExpire = l.svcCtx.Config.JwtAuth.AccessExpire

	now := time.Now().Unix()
	accessToken, err := l.GenToken(now, l.svcCtx.Config.JwtAuth.AccessSecret, nil, accessExpire)
	if err != nil {
		return nil, err
	}

	return &types.JwtTokenResponse{
    AccessToken:  accessToken,
    AccessExpire: now + accessExpire,
    RefreshAfter: now + accessExpire/2,
  }, nil
}

func (l *JwtLogic) GenToken(iat int64, secretKey string, payloads map[string]interface{}, seconds int64) (string, error) {
	claims := make(jwt.MapClaims)
	claims["exp"] = iat + seconds
	claims["iat"] = iat
	for k, v := range payloads {
		claims[k] = v
	}

	token := jwt.New(jwt.SigningMethodHS256)
	token.Claims = claims

	return token.SignedString([]byte(secretKey))
}

Name: jwt-api
Host: 0.0.0.0
Port: 8888
JwtAuth:
  AccessSecret: xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  AccessExpire: 604800

➜ curl --location --request POST '127.0.0.1:8888/user/token'
{"access_token":"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2MDEyNjE0MjksImlhdCI6MTYwMDY1NjYyOX0.6u_hpE_4m5gcI90taJLZtvfekwUmjrbNJ-5saaDGeQc","access_expire":1601261429,"refresh_after":1600959029}

func (l *GetUserLogic) GetUser(req types.GetUserRequest) (*types.GetUserResponse, error) {
	return &types.GetUserResponse{Name: "kim"}, nil
}

➜ curl -w  "\nhttp: %{http_code} \n" --location --request POST '127.0.0.1:8888/user/info' \
--header 'Content-Type: application/json' \
--data-raw '{
    "userId": "a"
}'

http: 401

➜ curl -w  "\nhttp: %{http_code} \n" --location --request POST '127.0.0.1:8888/user/info' \
--header 'Authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2MDEyNjE0MjksImlhdCI6MTYwMDY1NjYyOX0.6u_hpE_4m5gcI90taJLZtvfekwUmjrbNJ-5saaDGeQc' \
--header 'Content-Type: application/json' \
--data-raw '{
    "userId": "a"
}'
{"name":"kim"}
http: 200