Files
stock/backend/internal/handlers/auth.go
T

98 lines
2.6 KiB
Go

package handlers
import (
"fmt"
"net/http"
"strings"
"stock-user-system/internal/config"
"stock-user-system/internal/middleware"
"stock-user-system/internal/models"
"github.com/gin-gonic/gin"
"golang.org/x/crypto/bcrypt"
"gorm.io/gorm"
)
type AuthHandler struct {
DB *gorm.DB
CFG *config.Config
}
func (h *AuthHandler) Login(c *gin.Context) {
var req struct {
Username string `json:"username" binding:"required"`
Password string `json:"password" binding:"required"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "请求参数错误"})
return
}
username := strings.ToLower(strings.TrimSpace(req.Username))
var user models.User
if err := h.DB.Preload("Role").Where("LOWER(username) = ?", username).First(&user).Error; err != nil {
c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "用户名或密码错误"})
return
}
if user.Status != "active" {
c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "账号已被禁用"})
return
}
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(req.Password)); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "用户名或密码错误"})
return
}
token, err := middleware.GenerateToken(user.ID, user.Role.NameEnum(), h.CFG)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"success": false, "error": "internal server error"})
return
}
c.JSON(http.StatusOK, gin.H{
"token": token,
"user": user.ToPublicInfo(),
})
}
func (h *AuthHandler) Me(c *gin.Context) {
current, ok := middleware.GetCurrentUser(c)
if !ok {
c.JSON(http.StatusUnauthorized, gin.H{"success": false, "error": "访问令牌无效或已过期"})
return
}
var user models.User
if err := h.DB.Preload("Role").Where("id = ?", current.ID).First(&user).Error; err != nil {
c.JSON(http.StatusNotFound, gin.H{"success": false, "error": "not found"})
return
}
c.JSON(http.StatusOK, user.ToPublicInfo())
}
func (h *AuthHandler) Logout(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"message": "登出成功"})
}
func hashPassword(password string) (string, error) {
bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
return string(bytes), err
}
func validateUsername(username string) error {
if len(username) < 3 || len(username) > 32 {
return fmt.Errorf("用户名长度需在 3-32 位之间")
}
for _, r := range username {
if !(r >= 'a' && r <= 'z') && !(r >= 'A' && r <= 'Z') && !(r >= '0' && r <= '9') && r != '_' && r != '-' {
return fmt.Errorf("用户名只能包含字母、数字、下划线和短横线")
}
}
return nil
}