0、转载
go-zero docker-compose 搭建课件服务（六）：完善jwt鉴权和返回结构
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0.1源码地址
https://github.com/liuyuede123/go-zero-courseware
1、用户服务登录接口生成jwt token
user/api/etc/user.yaml中增加用于生成jwt的secret和过期时间
...
Auth:
AccessSecret: 38f9c7af24ff11edbe30ef81
AccessExpire:
user/api/internal/config/config.go增加配置参数
...
Auth struct {
AccessSecret string
AccessExpire int64
}
在之前编写的登录逻辑中增加获取token的方法，并修改登录逻辑
...
func (l *UserLoginLogic) UserLogin(req *types.LoginRequest) (resp *types.LoginResponse, err error) {
login, err := l.svcCtx.UserRpc.Login(l.ctx, &userclient.LoginRequest{
LoginName: req.LoginName,
Password: req.Password,
})
if err != nil {
return nil, err
}
now := time.Now().Unix()
login.Token, err = l.getJwtToken(l.svcCtx.Config.Auth.AccessSecret, now, l.svcCtx.Config.Auth.AccessExpire, int64(login.Id))
if err != nil {
return nil, status.Error(5000, err.Error())
}
return &types.LoginResponse{
Id: login.Id,
Token: login.Token,
}, nil
}
func (l *UserLoginLogic) getJwtToken(secretKey string, iat, seconds, userId int64) (string, error) {
claims := make(jwt.MapClaims)
claims["exp"] = iat + seconds
claims["iat"] = iat
claims["userId"] = userId
token := jwt.New(jwt.SigningMethodHS256)
token.Claims = claims
return token.SignedString([]byte(secretKey))
}
2、用户密码加密
user/rpc/internal/logic/registerlogic.go修改代码加密密码
...
func (l *RegisterLogic) Register(in *user.RegisterRequest) (*user.RegisterResponse, error) {
_, err := l.svcCtx.UserModel.FindOneByLoginName(l.ctx, in.LoginName)
if err == nil {
return nil, status.Error(5000, "登录名已存在")
}
if err != model.ErrNotFound {
return nil, status.Error(500, err.Error())
}
pwd, err := bcrypt.GenerateFromPassword([]byte(in.Password), bcrypt.DefaultCost)
if err != nil {
return nil, status.Error(500, err.Error())
}
newUser := model.User{
LoginName: in.LoginName,
Username: in.Username,
Sex: in.Sex,
Password: string(pwd),
}
_, err = l.svcCtx.UserModel.Insert(l.ctx, &newUser)
if err != nil {
return nil, status.Error(500, err.Error())
}
return &user.RegisterResponse{}, nil
}
user/rpc/internal/logic/loginlogic.go 登录逻辑修改密码验证
...
func (l *LoginLogic) Login(in *user.LoginRequest) (*user.LoginResponse, error) {
userInfo, err := l.svcCtx.UserModel.FindOneByLoginName(l.ctx, in.LoginName)
if err == model.ErrNotFound {
return nil, status.Error(5000, "用户不存在")
}
if err != nil {
return nil, status.Error(500, err.Error())
}
err = bcrypt.CompareHashAndPassword([]byte(userInfo.Password), []byte(in.Password))
if err != nil {
return nil, status.Error(5000, "密码错误")
}
return &user.LoginResponse{
Id: userInfo.Id,
Token: "a.b.c",
}, nil
}
3、其他接口增加鉴权中间件
修改courseware/api/courseware.api增加鉴权中间件
...
@server (
jwt : Auth
)
service courseware {
@handler coursewareAdd
post /api/courseware/add (AddRequest) returns (AddResponse)
@handler coursewareUpdate
post /api/courseware/update (UpdateRequest) returns (UpdateResponse)
@handler coursewareGet
post /api/courseware/get (GetRequest) returns (GetResponse)
@handler coursewareDelete
post /api/courseware/delete (DeleteRequest) returns (DeleteResponse)
courseware/api/etc/courseware.yaml课件api增加auth配置
...
Auth:
AccessSecret: 38f9c7af24ff11edbe30ef81
AccessExpire:
courseware/api/internal/config/config.go增加auth配置
Auth struct {
AccessSecret string
AccessExpire int64
}
到courseware/api/目录下重新生成路由文件
goctl api go -api courseware.api -dir . -style gozero
用户服务获取用户信息接口需要增加权限校验
修改user/api/user.api增加鉴权中间件
...
service user {
@handler userLogin
post /api/user/login (LoginRequest) returns (LoginResponse)
@handler userRegister
post /api/user/register (RegisterRequest) returns (RegisterResponse)
}
@server (
jwt : Auth
)
service user {
@handler userInfo
post /api/user/userInfo (UserInfoRequest) returns (UserInfoResponse)
}
第一步已经生成auth相关配置不需要重新设置，到user/api/目录下更新路由
goctl api go -api user.api -dir . -style gozero
4、返回结构优化
课件api层新增courseware/api/response/response.go
package response
import (
"github.com/zeromicro/go-zero/rest/httpx"
"net/http"
)
type Body struct {
Code int `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
func Response(w http.ResponseWriter, resp interface{}, err error) {
var body Body
if err != nil {
body.Code = 5000
body.Message = err.Error()
body.Data = nil
} else {
body.Code = 0
body.Message = "OK"
body.Data = resp
}
httpx.OkJson(w, body)
}
handler中修改返回结构
修改前
...
if err != nil {
httpx.Error(w, err)
} else {
httpx.OkJson(w, resp)
}
修改后
response.Response(w, resp, err)
用户api服务重复上面的步骤...
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