修复Roundcube空URL和白名单重复同步
1. ROUNDCUBE_URL: os.getenv返回空字符串时不回退默认值,改为 or 默认值 2. ProxyFetcher: 缓存已同步白名单IP,后续线程跳过重复同步
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@@ -12,8 +12,8 @@ from loguru import logger
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import requests
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# Roundcube Webmail 地址。可通过环境变量覆盖。
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ROUNDCUBE_URL = os.getenv("MAIL_ROUNDCUBE_URL", "http://111.229.206.54:8000/")
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# Roundcube Webmail 地址。可通过环境变量覆盖。空值时回退到默认。
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ROUNDCUBE_URL = os.getenv("MAIL_ROUNDCUBE_URL") or "http://111.229.206.54:8000/"
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class EmailVerifier:
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@@ -1,11 +1,12 @@
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"""简化版代理获取器(替代 ProxyManager)。
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专为短效代理设计:无池、无锁、无冷却、无复用。
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专为短效代理设计:无池、无冷却、无复用。
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每次调用 fetch_new_proxy() 从 API 取 1 个新代理,用完即弃。
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线程安全:白名单同步由 ProxyResolver 内部的锁保证。
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线程安全:白名单同步有全局锁 + IP缓存避免重复同步。
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"""
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import threading
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from typing import Optional
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from loguru import logger
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@@ -33,19 +34,35 @@ class ProxyFetcher:
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if _wl_credentials
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else None
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)
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# 跨线程共享:已同步白名单的IP,避免5个线程重复同步同一个IP
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self._synced_ip: Optional[str] = None
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self._sync_lock = threading.Lock()
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def fetch_new_proxy(self, max_attempts: int = 3) -> Optional[str]:
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"""从代理 API 获取 1 个可用代理,失败返回 None。"""
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# 快速检查:是否已经同步过白名单
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skip_sync = False
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if self._whitelist_syncer:
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with self._sync_lock:
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if self._synced_ip:
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skip_sync = True
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resolver = ProxyResolver(
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api_url=self.api_url,
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whitelist_syncer=self._whitelist_syncer,
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sync_local_exit_ip=bool(self._whitelist_syncer),
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sync_local_exit_ip=bool(self._whitelist_syncer) and not skip_sync,
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sync_whitelist_once=False,
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)
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result, msg = resolver.fetch_verified(
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max_attempts=max_attempts,
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return_all=False,
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)
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# 记录已同步的IP
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if self._whitelist_syncer and result:
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with self._sync_lock:
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self._synced_ip = self._synced_ip or "done"
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if isinstance(result, str):
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logger.info(f"获取新代理: {result}")
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return result
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