67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package middleware
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import (
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/yourname/cyrene-ai/gateway/internal/config"
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)
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// Auth 用户键值在context中的key
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const UserIDKey = "user_id"
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const IsAdminKey = "is_admin"
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// JWTAuth JWT认证中间件
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func JWTAuth(cfg *config.Config) 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.JSON(http.StatusUnauthorized, gin.H{"error": "未提供认证令牌"})
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c.Abort()
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return
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}
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// Bearer token
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parts := strings.SplitN(authHeader, " ", 2)
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if len(parts) != 2 || strings.ToLower(parts[0]) != "bearer" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "认证格式错误"})
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c.Abort()
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return
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}
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tokenString := parts[1]
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userID, err := cfg.ValidateToken(tokenString)
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "认证令牌无效或已过期"})
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c.Abort()
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return
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}
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// 将userID注入上下文
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c.Set(UserIDKey, userID)
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// 设置管理员标记 (admin 用户 ID 为固定值 "admin")
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c.Set(IsAdminKey, userID == "admin")
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c.Next()
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}
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}
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// GetUserID 从上下文获取用户ID
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func GetUserID(c *gin.Context) string {
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userID, _ := c.Get(UserIDKey)
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if userID == nil {
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return ""
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}
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return userID.(string)
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}
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// GetIsAdmin 从上下文获取是否为管理员
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func GetIsAdmin(c *gin.Context) bool {
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isAdmin, _ := c.Get(IsAdminKey)
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if isAdmin == nil {
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return false
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}
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return isAdmin.(bool)
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}
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