67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package handlers
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
// JWTSecret 应该在实际环境中使用环境变量
|
|
var JWTSecret = []byte("crm-go-secret-key")
|
|
|
|
// LoginRequest 登录请求结构
|
|
type LoginRequest struct {
|
|
Username string `json:"username"`
|
|
Password string `json:"password"`
|
|
}
|
|
|
|
// LoginResponse 登录返回结构
|
|
type LoginResponse struct {
|
|
Token string `json:"token"`
|
|
}
|
|
|
|
// AuthHandler 身份验证处理器
|
|
type AuthHandler struct{}
|
|
|
|
// NewAuthHandler 创建身份验证处理器
|
|
func NewAuthHandler() *AuthHandler {
|
|
return &AuthHandler{}
|
|
}
|
|
|
|
// Login 处理登录请求
|
|
func (h *AuthHandler) Login(w http.ResponseWriter, r *http.Request) {
|
|
if r.Method != http.MethodPost {
|
|
http.Error(w, "方法不允许", http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
|
|
var req LoginRequest
|
|
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
|
|
http.Error(w, "请求参数错误", http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
// 验证用户名和密码
|
|
if req.Username != "admin" || req.Password != "admin123" {
|
|
http.Error(w, "用户名或密码错误", http.StatusUnauthorized)
|
|
return
|
|
}
|
|
|
|
// 生成 JWT Token
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
|
|
"username": req.Username,
|
|
"exp": time.Now().Add(time.Hour * 24).Unix(), // 24小时过期
|
|
})
|
|
|
|
tokenString, err := token.SignedString(JWTSecret)
|
|
if err != nil {
|
|
http.Error(w, "无法生成Token", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/json")
|
|
json.NewEncoder(w).Encode(LoginResponse{Token: tokenString})
|
|
}
|