110 lines
2.1 KiB
Go
110 lines
2.1 KiB
Go
package middleware
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import (
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"net/http"
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"carrotskin/pkg/auth"
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"github.com/gin-gonic/gin"
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)
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// CasbinMiddleware Casbin权限中间件
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// 需要先经过AuthMiddleware获取用户信息
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func CasbinMiddleware(casbinService *auth.CasbinService, resource, action string) gin.HandlerFunc {
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return func(c *gin.Context) {
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// 从上下文获取用户角色（由AuthMiddleware设置）
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role, exists := c.Get("user_role")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": "未授权访问",
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})
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c.Abort()
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return
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}
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roleStr, ok := role.(string)
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if !ok || roleStr == "" {
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roleStr = "user" // 默认角色
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}
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// 检查权限
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if !casbinService.CheckPermission(roleStr, resource, action) {
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c.JSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": "权限不足",
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})
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c.Abort()
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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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// RequireAdmin 要求管理员权限的中间件
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func RequireAdmin() gin.HandlerFunc {
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return func(c *gin.Context) {
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role, exists := c.Get("user_role")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": "未授权访问",
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})
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c.Abort()
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return
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}
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roleStr, ok := role.(string)
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if !ok || roleStr != "admin" {
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c.JSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": "需要管理员权限",
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})
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c.Abort()
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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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// RequireRole 要求指定角色的中间件
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func RequireRole(allowedRoles ...string) gin.HandlerFunc {
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return func(c *gin.Context) {
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role, exists := c.Get("user_role")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": "未授权访问",
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})
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c.Abort()
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return
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}
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roleStr, ok := role.(string)
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if !ok {
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c.JSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": "权限不足",
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})
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c.Abort()
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return
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}
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// 检查是否在允许的角色列表中
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for _, allowed := range allowedRoles {
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if roleStr == allowed {
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c.Next()
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return
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}
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}
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c.JSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": "权限不足",
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})
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c.Abort()
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}
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}
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