up

server/app/services/sensitive_service.py

@@ -7,10 +7,14 @@ from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.common import SensitiveWord
+from app.services import config_service
 
 CACHE_KEY = "words:sensitive"
 CACHE_TTL = 60
 
+# 敏感词过滤总开关（system_configs 可配，后台系统配置页可热改；"0" 关闭）
+FILTER_ENABLED_KEY = "sensitive.filter.enabled"
+
 
 class DFAMatcher:
     """确定性有穷自动机敏感词匹配器"""
@@ -69,9 +73,12 @@ async def get_matcher(db: AsyncSession, redis: aioredis.Redis) -> DFAMatcher:
 
 
 async def find_sensitive(db: AsyncSession, redis: aioredis.Redis, text: str) -> str | None:
-    """检查文本，返回命中的敏感词或 None"""
+    """检查文本，返回命中的敏感词或 None；后台关闭过滤开关时直接放行"""
     if not text:
         return None
+    enabled = await config_service.get_config(db, redis, FILTER_ENABLED_KEY, "1")
+    if str(enabled) == "0":
+        return None
     matcher = await get_matcher(db, redis)
     return matcher.find(text)