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| package biz
import (
"context"
"errors"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware/auth/jwt"
jwt2 "github.com/golang-jwt/jwt/v4"
v1 "shop/api/shop/v1"
"shop/internal/conf"
"shop/internal/pkg/captcha"
"shop/internal/pkg/middleware/auth"
"time"
)
var (
ErrPasswordInvalid = errors.New("password invalid")
ErrUsernameInvalid = errors.New("username invalid")
ErrCaptchaInvalid = errors.New("verification code error")
ErrMobileInvalid = errors.New("mobile invalid")
ErrUserNotFound = errors.New("user not found")
ErrLoginFailed = errors.New("login failed")
ErrGenerateTokenFailed = errors.New("generate token failed")
ErrAuthFailed = errors.New("authentication failed")
)
type User struct {
ID int64
Mobile string
NickName string
Birthday int64
Gender string
Role int
CreatedAt time.Time
}
type UserRepo interface {
CreateUser(c context.Context, u *User) (*User, error)
UserByMobile(ctx context.Context, mobile string) (*User, error)
UserById(ctx context.Context, Id int64) (*User, error)
CheckPassword(ctx context.Context, password, encryptedPassword string) (bool, error)
}
type UserUsecase struct {
uRepo UserRepo
log *log.Helper
signingKey string
}
func NewUserUsecase(repo UserRepo, logger log.Logger, conf *conf.Auth) *UserUsecase {
helper := log.NewHelper(log.With(logger, "module", "usecase/shop"))
return &UserUsecase{uRepo: repo, log: helper, signingKey: conf.JwtKey}
}
func (uc *UserUsecase) GetCaptcha(ctx context.Context) (*v1.CaptchaReply, error) {
captchaInfo, err := captcha.GetCaptcha(ctx)
if err != nil {
return nil, err
}
return &v1.CaptchaReply{
CaptchaId: captchaInfo.CaptchaId,
PicPath: captchaInfo.PicPath,
}, nil
}
func (uc *UserUsecase) UserDetailByID(ctx context.Context) (*v1.UserDetailResponse, error) {
var uId int64
if claims, ok := jwt.FromContext(ctx); ok {
c := claims.(jwt2.MapClaims)
if c["ID"] == nil {
return nil, ErrAuthFailed
}
uId = int64(c["ID"].(float64))
}
user, err := uc.uRepo.UserById(ctx, uId)
if err != nil {
return nil, err
}
return &v1.UserDetailResponse{
Id: user.ID,
NickName: user.NickName,
Mobile: user.Mobile,
}, nil
}
func (uc *UserUsecase) PassWordLogin(ctx context.Context, req *v1.LoginReq) (*v1.RegisterReply, error) {
if len(req.Mobile) <= 0 {
return nil, ErrMobileInvalid
}
if len(req.Password) <= 0 {
return nil, ErrUsernameInvalid
}
if !captcha.Store.Verify(req.CaptchaId, req.Captcha, true) {
return nil, ErrCaptchaInvalid
}
if user, err := uc.uRepo.UserByMobile(ctx, req.Mobile); err != nil {
return nil, ErrUserNotFound
} else {
if passRsp, pasErr := uc.uRepo.CheckPassword(ctx, req.Password, user.Password); pasErr != nil {
return nil, ErrPasswordInvalid
} else {
if passRsp {
claims := auth.CustomClaims{
ID: user.ID,
NickName: user.NickName,
AuthorityId: user.Role,
StandardClaims: jwt2.StandardClaims{
NotBefore: time.Now().Unix(),
ExpiresAt: time.Now().Unix() + 60*60*24*30,
Issuer: "Gyl",
},
}
token, err := auth.CreateToken(claims, uc.signingKey)
if err != nil {
return nil, ErrGenerateTokenFailed
}
return &v1.RegisterReply{
Id: user.ID,
Mobile: user.Mobile,
Username: user.NickName,
Token: token,
ExpiredAt: time.Now().Unix() + 60*60*24*30,
}, nil
} else {
return nil, ErrLoginFailed
}
}
}
}
func (uc *UserUsecase) CreateUser(ctx context.Context, req *v1.RegisterReq) (*v1.RegisterReply, error) {
newUser, err := NewUser(req.Mobile, req.Username, req.Password)
if err != nil {
return nil, err
}
createUser, err := uc.uRepo.CreateUser(ctx, &newUser)
if err != nil {
return nil, err
}
claims := auth.CustomClaims{
ID: createUser.ID,
NickName: createUser.NickName,
AuthorityId: createUser.Role,
StandardClaims: jwt2.StandardClaims{
NotBefore: time.Now().Unix(),
ExpiresAt: time.Now().Unix() + 60*60*24*30,
Issuer: "Gyl",
},
}
token, err := auth.CreateToken(claims, uc.signingKey)
if err != nil {
return nil, err
}
return &v1.RegisterReply{
Id: createUser.ID,
Mobile: createUser.Mobile,
Username: createUser.NickName,
Token: token,
ExpiredAt: time.Now().Unix() + 60*60*24*30,
}, nil
}
func NewUser(mobile, username, password string) (User, error) {
if len(mobile) <= 0 {
return User{}, ErrMobileInvalid
}
if len(username) <= 0 {
return User{}, ErrUsernameInvalid
}
if len(password) <= 0 {
return User{}, ErrPasswordInvalid
}
return User{
Mobile: mobile,
NickName: username,
Password: password,
}, nil
}
|
