From ede446fb90cd92ea9c6ba23e5e84ce738ee5fa8a Mon Sep 17 00:00:00 2001
From: Mrx <18278715334@163.com>
Date: Thu, 12 Feb 2026 11:35:09 +0800
Subject: [PATCH] f

---
 .../domains/user/services/sms_code_service.go | 30 ++-----------------
 1 file changed, 2 insertions(+), 28 deletions(-)

diff --git a/internal/domains/user/services/sms_code_service.go b/internal/domains/user/services/sms_code_service.go
index 04bee03..d838539 100644
--- a/internal/domains/user/services/sms_code_service.go
+++ b/internal/domains/user/services/sms_code_service.go
@@ -189,21 +189,10 @@ func (s *SMSCodeService) GetCodeStatus(ctx context.Context, phone string, scene
 func (s *SMSCodeService) CheckRateLimit(ctx context.Context, phone string, scene entities.SMSScene, clientIP, userAgent string) error {
 	// 设备标识（这里使用 User-Agent + IP 的组合做近似设备ID，可根据实际情况调整）
 	deviceID := fmt.Sprintf("ua:%s|ip:%s", userAgent, clientIP)
-
-	// 1. 检查是否已被永久封禁（按手机号和设备双维度）
 	phoneBanKey := fmt.Sprintf("sms:ban:phone:%s", phone)
-	var phoneBanned bool
-	if err := s.cache.Get(ctx, phoneBanKey, &phoneBanned); err == nil && phoneBanned {
-		return fmt.Errorf("该手机号短信发送已被永久限制")
-	}
+	// deviceBanKey := fmt.Sprintf("sms:ban:device:%s", deviceID)
 
-	deviceBanKey := fmt.Sprintf("sms:ban:device:%s", deviceID)
-	var deviceBanned bool
-	if err := s.cache.Get(ctx, deviceBanKey, &deviceBanned); err == nil && deviceBanned {
-		return fmt.Errorf("该设备短信发送已被永久限制")
-	}
-
-	// 2. 按手机号的时间窗口限流
+	// 1. 按手机号的时间窗口限流
 	// 10分钟窗口
 	if err := s.checkWindowLimit(ctx, fmt.Sprintf("sms:phone:%s:10m", phone), 10*time.Minute, 10); err != nil {
 		return err
@@ -239,21 +228,6 @@ func (s *SMSCodeService) CheckRateLimit(ctx context.Context, phone string, scene
 		if err := s.checkWindowLimit(ctx, fmt.Sprintf("sms:device:%s:1h", deviceID), time.Hour, 20); err != nil {
 			return err
 		}
-
-		// 3.2 检查同一设备在短时间内是否出现在多个IP
-		// 使用一个短期集合Key记录该设备最近使用过的IP数量
-		deviceIPKey := fmt.Sprintf("sms:device:%s:ips", userAgent)
-		var ipCount int
-		if err := s.cache.Get(ctx, deviceIPKey, &ipCount); err == nil {
-			// 如果一个设备短时间内出现多个不同IP（>3），认为存在异常，直接永久封禁设备
-			if ipCount >= 3 {
-				s.cache.Set(ctx, deviceBanKey, true, 0)
-				return fmt.Errorf("该设备存在异常行为，短信发送已被永久限制")
-			}
-			s.cache.Set(ctx, deviceIPKey, ipCount+1, 30*time.Minute)
-		} else {
-			s.cache.Set(ctx, deviceIPKey, 1, 30*time.Minute)
-		}
 	}
 
 	return nil