99 lines
2.3 KiB
Go
99 lines
2.3 KiB
Go
package adminauth
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import (
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"errors"
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"time"
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"hfb_sys/backend/internal/model"
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"hfb_sys/backend/internal/modules/auth"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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const (
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defaultAdminUsername = "admin"
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defaultAdminPassword = "admin123456"
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)
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type Repository struct {
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db *gorm.DB
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jwt *auth.JWTManager
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}
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func NewRepository(db *gorm.DB, jwt *auth.JWTManager) *Repository {
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return &Repository{db: db, jwt: jwt}
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}
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func (r *Repository) Login(username string, password string) (LoginResult, error) {
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if err := r.ensureDefaultAdmin(); err != nil {
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return LoginResult{}, err
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}
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var admin model.AdminUser
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if err := r.db.Where("username = ?", username).First(&admin).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return LoginResult{}, ErrInvalidCredential
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}
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return LoginResult{}, err
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}
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if admin.Status != "active" {
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return LoginResult{}, ErrAdminDisabled
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}
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if err := bcrypt.CompareHashAndPassword([]byte(admin.PasswordHash), []byte(password)); err != nil {
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return LoginResult{}, ErrInvalidCredential
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}
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now := time.Now()
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admin.LastLoginAt = &now
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if err := r.db.Save(&admin).Error; err != nil {
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return LoginResult{}, err
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}
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tokens, err := r.jwt.GenerateSubjectPair(admin.ID, admin.Username, "admin")
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if err != nil {
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return LoginResult{}, err
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}
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return LoginResult{Admin: toDTO(admin), Tokens: tokens}, nil
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}
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func (r *Repository) FindByID(id uint64) (*AdminDTO, error) {
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var admin model.AdminUser
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if err := r.db.First(&admin, id).Error; err != nil {
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return nil, err
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}
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if admin.Status != "active" {
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return nil, ErrAdminDisabled
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}
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dto := toDTO(admin)
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return &dto, nil
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}
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func (r *Repository) ensureDefaultAdmin() error {
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var count int64
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if err := r.db.Model(&model.AdminUser{}).Count(&count).Error; err != nil {
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return err
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}
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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(defaultAdminPassword), 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.AdminUser{
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Username: defaultAdminUsername,
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PasswordHash: string(hash),
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Nickname: "超级管理员",
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Status: "active",
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}
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return r.db.Create(&admin).Error
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}
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func toDTO(admin model.AdminUser) AdminDTO {
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return AdminDTO{
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ID: admin.ID,
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Username: admin.Username,
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Nickname: admin.Nickname,
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Status: admin.Status,
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LastLoginAt: admin.LastLoginAt,
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}
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}
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