80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
package services
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import (
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"errors"
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"time"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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"oidc-oauth2-server/models"
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)
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type AuthService struct {
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db *gorm.DB
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}
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func NewAuthService(db *gorm.DB) *AuthService {
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return &AuthService{db: db}
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}
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func (s *AuthService) Authenticate(username, password string) (*models.User, error) {
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user := &models.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("invalid username or password")
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}
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return nil, err
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}
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if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
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return nil, errors.New("invalid username or password")
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}
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// 更新最后登录时间
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user.LastLogin = time.Now()
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s.db.Save(user)
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return user, nil
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}
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func (s *AuthService) CreateUser(username, password, email string) (*models.User, error) {
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// 检查用户名是否已存在
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var count int64
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s.db.Model(&models.User{}).Where("username = ?", username).Count(&count)
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if count > 0 {
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return nil, errors.New("username already exists")
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}
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// 加密密码
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hashedPassword, 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 := &models.User{
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Username: username,
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Password: string(hashedPassword),
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Email: email,
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IsActive: true,
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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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// GetUserByID 根据用户 ID 获取用户信息
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func (s *AuthService) GetUserByID(id uint, user *models.User) error {
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result := s.db.First(user, id)
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if result.Error != nil {
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if errors.Is(result.Error, gorm.ErrRecordNotFound) {
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return errors.New("user not found")
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}
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return result.Error
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}
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return nil
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}
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