Frudrax Cheng
0d82260fd9
- AftersalesOrder model with state machine (created/pending_confirmation/closed/rejected)
- Public scan-to-confirm flow with phone last-4 verification and rate limiting
- Technician role and middleware for ownership-scoped operations
- QR code generation pointing to /aftersales/{serialNumber}
- Admin overrides: reassign, force-close, delete
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
136 lines
3.1 KiB
Go
136 lines
3.1 KiB
Go
package middleware
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import (
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"errors"
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"net/http"
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"strings"
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"time"
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"git.beifan.cn/trace-system/backend-go/config"
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"git.beifan.cn/trace-system/backend-go/database"
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"git.beifan.cn/trace-system/backend-go/models"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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)
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// JWTAuthMiddleware JWT 认证中间件
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func JWTAuthMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "缺少授权头部",
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})
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return
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}
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parts := strings.SplitN(authHeader, " ", 2)
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if !(len(parts) == 2 && parts[0] == "Bearer") {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "授权头部格式错误",
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})
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return
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}
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tokenStr := parts[1]
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// 解析 JWT token
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token, err := jwt.Parse(tokenStr, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("不支持的签名方法")
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}
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cfg := config.GetAppConfig()
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return []byte(cfg.JWT.Secret), nil
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})
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if err != nil || !token.Valid {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "无效的访问令牌",
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})
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return
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}
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// 验证 claims
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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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// 检查过期时间
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if exp, ok := claims["exp"].(float64); ok {
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if time.Now().Unix() > int64(exp) {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "令牌已过期",
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})
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return
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}
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}
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// 获取用户 ID
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if userId, ok := claims["userId"].(float64); ok {
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// 验证用户是否存在
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var user models.User
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result := database.DB.First(&user, uint(userId))
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if result.Error != nil {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "用户不存在",
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})
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return
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}
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// 将用户信息存储到上下文
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c.Set("user", user)
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} else {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "令牌无效",
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})
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return
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}
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}
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c.Next()
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}
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}
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// AdminMiddleware 管理员权限中间件
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func AdminMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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user, exists := c.Get("user")
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if !exists {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "未认证",
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})
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return
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}
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userModel := user.(models.User)
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if userModel.Role != "admin" {
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c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
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"message": "无权限访问此资源",
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})
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return
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}
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c.Next()
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}
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}
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// TechnicianMiddleware 技术员权限中间件（放行 admin 和 technician）
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func TechnicianMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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user, exists := c.Get("user")
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if !exists {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"message": "未认证",
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})
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return
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}
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userModel := user.(models.User)
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if userModel.Role != "admin" && userModel.Role != "technician" {
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c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
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"message": "无权限访问此资源",
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})
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return
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}
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c.Next()
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}
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}
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