111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
package service
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import (
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"errors"
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"fmt"
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"math/rand"
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"time"
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"affiliate_dash/internal/model"
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"affiliate_dash/internal/pkg/jwt"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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type AuthService struct {
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db *gorm.DB
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jwt *jwt.Manager
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}
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func NewAuthService(db *gorm.DB, jm *jwt.Manager) *AuthService {
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return &AuthService{db: db, jwt: jm}
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}
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type LoginResult struct {
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Token string `json:"token"`
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User *model.User `json:"user"`
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}
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func (s *AuthService) Login(username, password string) (*LoginResult, error) {
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var user model.User
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if err := s.db.Where("username = ?", username).First(&user).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("用户名或密码错误")
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}
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return nil, err
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}
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if user.Status != 1 {
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return nil, errors.New("账号已禁用")
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}
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if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password)); err != nil {
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return nil, errors.New("用户名或密码错误")
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}
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token, err := s.jwt.Generate(user.ID, user.Username, user.Role)
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if err != nil {
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return nil, err
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}
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return &LoginResult{Token: token, User: &user}, nil
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}
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func (s *AuthService) Register(username, password, nickname string) (*model.User, error) {
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var count int64
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s.db.Model(&model.User{}).Where("username = ?", username).Count(&count)
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if count > 0 {
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return nil, errors.New("用户名已存在")
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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return nil, err
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}
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user := &model.User{
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Username: username,
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PasswordHash: string(hash),
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Nickname: nickname,
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Role: model.RoleDistributor,
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Status: 1,
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InviteCode: generateInviteCode(),
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}
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if user.Nickname == "" {
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user.Nickname = username
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}
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if err := s.db.Create(user).Error; err != nil {
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return nil, err
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}
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return user, nil
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}
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func (s *AuthService) GetProfile(userID uint) (*model.User, error) {
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var user model.User
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if err := s.db.First(&user, userID).Error; err != nil {
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return nil, err
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}
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return &user, nil
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}
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func (s *AuthService) EnsureAdmin() error {
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var count int64
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s.db.Model(&model.User{}).Where("role = ?", model.RoleAdmin).Count(&count)
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if count > 0 {
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return nil
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}
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hash, err := bcrypt.GenerateFromPassword([]byte("admin123"), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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admin := &model.User{
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Username: "admin",
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PasswordHash: string(hash),
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Nickname: "管理员",
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Role: model.RoleAdmin,
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Status: 1,
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InviteCode: "ADMIN001",
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}
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return s.db.Create(admin).Error
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}
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func generateInviteCode() string {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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return fmt.Sprintf("D%06d", r.Intn(1000000))
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}
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