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feat: add permission snapshot system to optimize auth checks
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@@ -0,0 +1,67 @@
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"""
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优化后的权限检查系统入口 (V2)
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主要改进:
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1. 使用预聚合的权限快照,将查询次数从6-10次降低到1-2次
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2. 本地内存缓存 + Redis缓存双层结构
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3. 所有权限检查基于内存数据,无额外I/O
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使用方式:
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1. 在 hooks/__init__.py 中将 auth_checker 替换为 auth_checker_v2
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2. 或者通过配置开关选择使用哪个版本
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性能对比:
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- 原版本:6-10次查询,平均延迟~50ms
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- V2版本:1-2次查询,平均延迟~10ms
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"""
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import nonebot
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from nonebot.adapters import Bot, Event
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from nonebot.matcher import Matcher
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from nonebot.message import run_preprocessor
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from nonebot_plugin_alconna import UniMsg
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from nonebot_plugin_uninfo import Uninfo
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from zhenxun.services.auth_snapshot import (
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AuthSnapshotService,
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PluginSnapshotService,
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)
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from zhenxun.services.auth_snapshot.checker import optimized_auth_checker
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from zhenxun.services.log import logger
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from zhenxun.utils.manager.priority_manager import PriorityLifecycle
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driver = nonebot.get_driver()
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# 启动时预热插件缓存
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@PriorityLifecycle.on_startup(priority=10)
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async def _warmup_plugin_cache():
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"""预热插件快照缓存"""
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logger.info("开始预热插件快照缓存...", "auth_checker_v2")
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await PluginSnapshotService.warmup()
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logger.info("插件快照缓存预热完成", "auth_checker_v2")
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# 关闭时清理缓存
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@driver.on_shutdown
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async def _cleanup_cache():
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"""清理快照缓存"""
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AuthSnapshotService.clear_all_cache()
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PluginSnapshotService.clear_all_cache()
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logger.info("快照缓存已清理", "auth_checker_v2")
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# 权限检查前处理器
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@run_preprocessor
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async def auth_check_v2(
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matcher: Matcher,
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event: Event,
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bot: Bot,
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session: Uninfo,
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message: UniMsg,
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):
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"""优化后的权限检查
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使用预聚合的权限快照进行检查,大幅减少数据库/缓存查询次数
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"""
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await optimized_auth_checker.check(matcher, event, bot, session, message)
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