fix: 修复proxy_service和account_service中不当的顶层import

- proxy_service.py: 将requests和WhitelistManager改为函数内延迟import,
  避免启动时加载不需要的依赖;移除未使用的get_exit_ip_via_proxy导入
- account_service.py: 移除未使用的func、joinedload、AuditLog、
  user_has_permission顶层导入
This commit is contained in:
yml2213
2026-06-23 08:35:29 +08:00
parent 2ab6724543
commit dd56de9bd4
40 changed files with 2006 additions and 936 deletions
+14 -468
View File
@@ -1,470 +1,16 @@
"""代理管理模块"""
"""代理管理模块兼容导出。"""
import json
import re
import threading
import time
import requests
from typing import Optional
from loguru import logger
from .proxy_manager import ProxyManager, get_proxy_manager
from .proxy_parser import parse_proxy_response
from .proxy_resolver import ProxyResolver, resolve_working_proxy
from .proxy_verifier import verify_proxies_concurrent, verify_proxy_url
class ProxyManager:
"""代理管理器(带已验证代理池缓存,批次内共享复用)"""
def __init__(self, api_url: str = "", whitelist_uid: str = "", whitelist_ukey: str = ""):
self.api_url = api_url
self.whitelist_uid = whitelist_uid
self.whitelist_ukey = whitelist_ukey
self.current_proxy: Optional[str] = None
self._cond = threading.Condition()
# 已验证可用的代理池: {proxy_url: validated_timestamp}
self._verified_pool: dict[str, float] = {}
# 正在使用中的代理(取走但未归还),避免并发账号用同一个代理
self._in_use: set[str] = set()
self._pool_ttl = 90 # 代理验证后90秒内可复用
self._fetching = False # 是否有线程正在获取代理
def _pick_from_pool_locked(self) -> Optional[str]:
"""从池中取一个未过期且未在使用的代理(调用前需持有锁)"""
now = time.time()
# 清理过期代理
expired = [p for p, t in self._verified_pool.items() if now - t > self._pool_ttl]
for p in expired:
del self._verified_pool[p]
self._in_use.discard(p)
# 取一个不在使用中的
for proxy in self._verified_pool:
if proxy not in self._in_use:
self._in_use.add(proxy)
self.current_proxy = proxy
return proxy
# 所有代理都在使用中,但池非空(并发数>代理数),允许复用第一个
for proxy in self._verified_pool:
self.current_proxy = proxy
return proxy
return None
def get_proxy(self, max_attempts: int = 5) -> Optional[str]:
"""
获取可用代理IP,优先从已验证代理池复用。
线程安全:池空时只有一个线程调API获取并验证所有代理入池,其他线程等待后复用。
Returns:
代理URL,格式: http://ip:port
"""
with self._cond:
# 1. 优先从池中取未过期的
proxy = self._pick_from_pool_locked()
if proxy:
logger.debug(f"从代理池复用: {proxy} (池剩余 {len(self._verified_pool)})")
return proxy
# 2. 已有线程在获取,等待结果
if self._fetching:
logger.debug("代理池空,等待其他线程获取...")
self._cond.wait(timeout=60)
proxy = self._pick_from_pool_locked()
if proxy:
logger.debug(f"等待后从代理池复用: {proxy} (池剩余 {len(self._verified_pool)})")
return proxy
return None
# 3. 自己去获取
self._fetching = True
# 释放锁后执行耗时的API调用+验证
try:
proxies_all, msg = self._fetch_and_verify_all(max_attempts)
finally:
with self._cond:
self._fetching = False
self._cond.notify_all()
if proxies_all:
with self._cond:
now = time.time()
for p in proxies_all:
self._verified_pool[p] = now
first = proxies_all[0]
self.current_proxy = first
logger.info(f"代理池充盈 {len(proxies_all)} 个可用代理: {first} ...")
return first
logger.warning(f"获取代理失败: {msg}")
return None
def _fetch_and_verify_all(self, max_attempts: int) -> tuple[Optional[list[str]], str]:
"""调代理API获取一批代理,并发验证所有可用代理,自动处理白名单同步。"""
last_error = ""
last_synced_ip: Optional[str] = None
for attempt in range(1, max_attempts + 1):
if attempt > 1:
time.sleep(min(attempt - 1, 2))
# 每次尝试前主动同步白名单(出口IP可能漂移,需重新同步)
if self.whitelist_uid and self.whitelist_ukey:
from core.douyu.whitelist import get_local_exit_ip, WhitelistManager
local_ip = get_local_exit_ip()
if local_ip and local_ip != last_synced_ip:
logger.info(f"[尝试 {attempt}] 检测出口IP: {local_ip},同步白名单...")
manager = WhitelistManager(self.whitelist_uid, self.whitelist_ukey)
ok, sync_msg = manager.sync_ip(local_ip)
if ok:
last_synced_ip = local_ip
logger.info(f"白名单同步成功: {sync_msg}")
# 等待白名单生效
time.sleep(2)
else:
logger.warning(f"白名单同步失败: {sync_msg}")
elif local_ip == last_synced_ip:
logger.debug(f"[尝试 {attempt}] 出口IP未变: {local_ip}")
try:
response = requests.get(self.api_url, timeout=10)
response.raise_for_status()
text = response.text.strip()
proxy_urls, whitelist_ip = parse_proxy_response(text)
if proxy_urls:
logger.info(f"获取到 {len(proxy_urls)} 个代理,并发验证所有")
available, msg = verify_proxies_concurrent(proxy_urls, return_all=True)
if available:
return available, msg
last_error = msg
logger.warning(f"代理预检 {attempt}/{max_attempts}: {last_error}")
continue
# 代理API返回白名单错误
if whitelist_ip and self.whitelist_uid and self.whitelist_ukey:
logger.warning(f"代理需要白名单IP: {whitelist_ip},自动同步...")
from core.douyu.whitelist import WhitelistManager
manager = WhitelistManager(self.whitelist_uid, self.whitelist_ukey)
ok, sync_msg = manager.sync_ip(whitelist_ip)
if ok:
last_synced_ip = whitelist_ip
logger.info("白名单已更新,等待2秒后重试...")
time.sleep(2)
continue
return None, f'白名单同步失败: {sync_msg}'
last_error = '代理API响应无法解析'
logger.warning(f"代理预检 {attempt}/{max_attempts}: {last_error}: {text[:80]}")
except Exception as exc:
last_error = f'代理API请求失败: {exc}'
logger.warning(f"代理预检 {attempt}/{max_attempts}: {last_error}")
return None, f'代理预检失败({max_attempts}次尝试均失败): {last_error}'
def mark_bad(self, proxy_url: str) -> None:
"""标记代理为不可用,从池中移除(极验失败/代理连接失败时调用)"""
with self._cond:
removed = self._verified_pool.pop(proxy_url, None)
self._in_use.discard(proxy_url)
if self.current_proxy == proxy_url:
self.current_proxy = None
if removed:
logger.info(f"代理标记为不可用并移出池: {proxy_url} (池剩余 {len(self._verified_pool)})")
self._cond.notify_all()
def release_proxy(self, proxy_url: str) -> None:
"""归还代理到池(登录完成后调用,让其他账号可以复用)"""
with self._cond:
self._in_use.discard(proxy_url)
self._cond.notify_all()
def get_proxies_dict(self, proxy: str = None) -> dict:
"""获取requests使用的proxies字典"""
proxy = proxy or self.current_proxy
if proxy:
return {'http': proxy, 'https': proxy}
return {}
def verify_proxy(self, proxy: str = None) -> bool:
"""验证代理是否可用"""
proxy = proxy or self.current_proxy
if not proxy:
return False
try:
response = requests.get(
'https://httpbin.org/ip',
proxies={'http': proxy, 'https': proxy},
timeout=10
)
if response.status_code == 200:
data = response.json()
logger.info(f"代理验证成功,当前IP: {data.get('origin')}")
return True
return False
except Exception as e:
logger.error(f"代理验证失败: {e}")
return False
def get_proxy_manager(
api_url: str = "",
whitelist_uid: str = "",
whitelist_ukey: str = "",
) -> ProxyManager:
"""获取代理管理器实例"""
return ProxyManager(api_url, whitelist_uid=whitelist_uid, whitelist_ukey=whitelist_ukey)
def parse_proxy_response(text: str) -> tuple[list[str], Optional[str]]:
"""
解析代理API响应,支持 JSON 格式与旧版纯文本格式。
JSON 格式示例:
正常: {"code":0,"success":"true","msg":"","data":[{"IP":"1.2.3.4","Port":5791,...}]}
白名单错误: {"code":-1,"success":"true","msg":"51.请先添加白名单:39.144.109.21","data":""}
旧版纯文本格式(兼容):
正常: 1.2.3.4:5791\\n5.6.7.8:8080
白名单错误: 请先添加白名单:39.144.109.21
Returns:
(proxy_urls, whitelist_ip)
- proxy_urls: 解析到的所有代理地址列表(http://ip:port
- whitelist_ip: 需要添加到白名单的IP(当API返回白名单错误时),无错误时为 None
"""
text = (text or "").strip()
if not text:
return [], None
# 优先尝试 JSON 解析
try:
data = json.loads(text)
if isinstance(data, dict):
# 白名单错误:code != 0 且 msg 含白名单提示
code = data.get("code")
msg = data.get("msg", "") or ""
if code != 0 and ("白名单" in msg or "添加白名单" in msg):
ip_match = re.search(r'(\d+\.\d+\.\d+\.\d+)', msg)
if ip_match:
return [], ip_match.group(1)
# 正常返回:从 data 数组提取 IP/Port
data_field = data.get("data")
proxies: list[str] = []
if isinstance(data_field, list):
for item in data_field:
if not isinstance(item, dict):
continue
ip = item.get("IP") or item.get("ip")
port = item.get("Port") or item.get("port")
if ip and port:
proxies.append(f"http://{ip}:{port}")
if proxies:
return proxies, None
# data 为空但 code==0,可能代理暂时不可用
if code == 0 and not proxies:
return [], None
except (json.JSONDecodeError, ValueError):
# 不是 JSON,回退到文本解析
pass
# 旧版文本格式:白名单错误优先检测
if '添加白名单' in text or '白名单' in text:
ip_match = re.search(r'(\d+\.\d+\.\d+\.\d+)', text)
if ip_match:
return [], ip_match.group(1)
# 旧版文本格式:解析所有 ip:port
matches = re.findall(r'(\d+\.\d+\.\d+\.\d+):(\d+)', text)
proxies = [f"http://{ip}:{port}" for ip, port in matches]
if proxies:
return proxies, None
return [], None
def verify_proxy_url(proxy_url: str, timeout: tuple = (5, 8)) -> tuple[bool, str]:
"""
验证代理是否可用,只验证斗鱼主站(登录的最终目标)。
Returns:
(是否可用, 消息)
"""
from utils.http_logger import log_http
import time as _time
proxies = {'http': proxy_url, 'https': proxy_url}
started = _time.monotonic()
try:
response = requests.get(
'https://www.douyu.com',
proxies=proxies,
timeout=timeout,
headers={'User-Agent': 'Mozilla/5.0'},
)
elapsed = _time.monotonic() - started
response.raise_for_status()
log_http(
category="proxy_verify", method="GET", url="https://www.douyu.com",
status_code=response.status_code, response_body=f"代理可用: {proxy_url}",
duration=elapsed, proxy=proxy_url, tag="proxy_verify",
)
return True, '代理可用 → 斗鱼主站'
except Exception as e:
elapsed = _time.monotonic() - started
err_msg = str(e)
if 'Tunnel connection failed' in err_msg or '503' in err_msg:
detail = '代理拒绝连接(白名单可能未生效)'
elif 'timed out' in err_msg.lower():
detail = '连接超时'
else:
detail = type(e).__name__
logger.debug(f"代理验证失败 [{proxy_url}]: {detail}")
log_http(
category="proxy_verify", method="GET", url="https://www.douyu.com",
duration=elapsed, error=f"[{proxy_url}] {detail}: {err_msg[:200]}",
proxy=proxy_url, tag="proxy_verify",
)
return False, detail
def verify_proxies_concurrent(proxy_urls: list[str], timeout: tuple = (5, 8), max_workers: int = 5, return_all: bool = False) -> tuple[Optional[str | list[str]], str]:
"""
并发验证多个代理URL。
Args:
proxy_urls: 代理URL列表
timeout: 验证超时
max_workers: 最大并发数
return_all: True 时返回所有可用代理列表;False(默认)返回第一个可用的
Returns:
return_all=False: (可用代理URL或None, 消息)
return_all=True: (可用代理URL列表或None, 消息)
"""
if not proxy_urls:
return None, '无代理可验证'
if len(proxy_urls) == 1:
ok, msg = verify_proxy_url(proxy_urls[0], timeout)
if ok:
return (proxy_urls if return_all else proxy_urls[0]), msg
return None, msg
from concurrent.futures import ThreadPoolExecutor, as_completed
if return_all:
# 收集所有可用代理(不取消任何任务)
available: list[str] = []
with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
future_map = {
executor.submit(verify_proxy_url, p, timeout): p
for p in proxy_urls
}
for future in as_completed(future_map):
try:
ok, _ = future.result()
if ok:
available.append(future_map[future])
except Exception:
continue
if available:
logger.success(f"并发验证找到 {len(available)}/{len(proxy_urls)} 个可用代理")
return available, f'找到 {len(available)} 个可用代理'
return None, f'{len(proxy_urls)} 个代理均不可用'
# 默认:返回第一个可用的,取消其余
with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
future_map = {
executor.submit(verify_proxy_url, p, timeout): p
for p in proxy_urls
}
for future in as_completed(future_map):
proxy_url = future_map[future]
try:
ok, msg = future.result()
if ok:
logger.success(f"并发验证找到可用代理: {proxy_url}")
for f in future_map:
if f != future:
f.cancel()
return proxy_url, msg
except Exception:
continue
return None, f'{len(proxy_urls)} 个代理均不可用'
def resolve_working_proxy(
api_url: str,
whitelist_uid: str = "",
whitelist_ukey: str = "",
max_attempts: int = 4,
log_func=None,
) -> tuple[Optional[str], str]:
"""
从代理API获取可用代理,自动处理白名单同步。
支持API返回多个代理IP,逐一验证直到找到可用的。
Args:
api_url: 代理API地址
whitelist_uid: 白名单UID(启用白名单时传入)
whitelist_ukey: 白名单UKEY
max_attempts: 最大获取尝试次数(默认4次)
log_func: 日志回调函数 (level, message)
Returns:
(代理URL, 消息)
"""
def log(level, msg):
if log_func:
log_func(level, msg)
else:
getattr(logger, level if level in ('info', 'warning', 'error', 'success') else 'info', logger.info)(msg)
synced_whitelist = False
last_error = ""
for attempt in range(1, max_attempts + 1):
# 重试之间增加退避延迟,避免代理API返回同一个不可用IP
if attempt > 1:
delay = min(attempt - 1, 2)
log('info', f'等待 {delay}s 后重试...')
time.sleep(delay)
log('info', f'代理预检 {attempt}/{max_attempts}: 正在获取代理')
try:
response = requests.get(api_url, timeout=10)
response.raise_for_status()
text = response.text.strip()
proxy_urls, whitelist_ip = parse_proxy_response(text)
if proxy_urls:
log('info', f'获取到 {len(proxy_urls)} 个代理,并发验证')
proxy_url, msg = verify_proxies_concurrent(proxy_urls)
if proxy_url:
log('success', f'代理预检成功: {proxy_url}')
return proxy_url, msg
last_error = msg
log('warning', f'代理预检 {attempt}/{max_attempts}: {last_error}')
continue
# 代理API返回白名单错误
if whitelist_ip and not synced_whitelist and whitelist_uid and whitelist_ukey:
log('warning', f'代理需要白名单IP: {whitelist_ip},自动同步...')
from core.douyu.whitelist import WhitelistManager
manager = WhitelistManager(whitelist_uid, whitelist_ukey)
ok, sync_msg = manager.sync_ip(whitelist_ip)
log('success' if ok else 'error', f'白名单同步: {sync_msg}')
if ok:
synced_whitelist = True
log('info', '白名单已更新,等待2秒后重试...')
time.sleep(2)
continue
return None, f'白名单同步失败: {sync_msg}'
last_error = f'代理API响应无法解析'
log('warning', f'代理预检 {attempt}/{max_attempts}: {last_error}: {text[:80]}')
except Exception as exc:
last_error = f'代理API请求失败: {exc}'
log('warning', f'代理预检 {attempt}/{max_attempts}: {last_error}')
return None, f'代理预检失败({max_attempts}次尝试均失败): {last_error}'
__all__ = [
"ProxyManager",
"ProxyResolver",
"get_proxy_manager",
"parse_proxy_response",
"resolve_working_proxy",
"verify_proxies_concurrent",
"verify_proxy_url",
]
+165
View File
@@ -0,0 +1,165 @@
"""代理池管理。"""
import threading
import time
from typing import Optional
import requests
from loguru import logger
from .proxy_resolver import ProxyResolver
from .proxy_whitelist import DouyuWhitelistSyncer
class ProxyManager:
"""代理管理器(带已验证代理池缓存,批次内共享复用)"""
def __init__(self, api_url: str = "", whitelist_uid: str = "", whitelist_ukey: str = ""):
self.api_url = api_url
self.whitelist_uid = whitelist_uid
self.whitelist_ukey = whitelist_ukey
self.current_proxy: Optional[str] = None
self._cond = threading.Condition()
# 已验证可用的代理池: {proxy_url: validated_timestamp}
self._verified_pool: dict[str, float] = {}
# 正在使用中的代理(取走但未归还),避免并发账号用同一个代理
self._in_use: set[str] = set()
self._pool_ttl = 90
self._fetching = False
self._whitelist_syncer = (
DouyuWhitelistSyncer(whitelist_uid, whitelist_ukey)
if whitelist_uid and whitelist_ukey
else None
)
def _pick_from_pool_locked(self) -> Optional[str]:
"""从池中取一个未过期且未在使用的代理(调用前需持有锁)。"""
now = time.time()
expired = [proxy for proxy, ts in self._verified_pool.items() if now - ts > self._pool_ttl]
for proxy in expired:
del self._verified_pool[proxy]
self._in_use.discard(proxy)
for proxy in self._verified_pool:
if proxy not in self._in_use:
self._in_use.add(proxy)
self.current_proxy = proxy
return proxy
for proxy in self._verified_pool:
self.current_proxy = proxy
return proxy
return None
def get_proxy(self, max_attempts: int = 5) -> Optional[str]:
"""
获取可用代理 IP,优先从已验证代理池复用。
线程安全:池空时只有一个线程调 API 获取并验证所有代理入池,
其他线程等待后复用。
"""
with self._cond:
proxy = self._pick_from_pool_locked()
if proxy:
logger.debug(f"从代理池复用: {proxy} (池剩余 {len(self._verified_pool)})")
return proxy
if self._fetching:
logger.debug("代理池空,等待其他线程获取...")
self._cond.wait(timeout=60)
proxy = self._pick_from_pool_locked()
if proxy:
logger.debug(f"等待后从代理池复用: {proxy} (池剩余 {len(self._verified_pool)})")
return proxy
return None
self._fetching = True
try:
proxies_all, msg = self._fetch_and_verify_all(max_attempts)
finally:
with self._cond:
self._fetching = False
self._cond.notify_all()
if proxies_all:
with self._cond:
now = time.time()
for proxy in proxies_all:
self._verified_pool[proxy] = now
first = proxies_all[0]
self._in_use.add(first)
self.current_proxy = first
logger.info(f"代理池充盈 {len(proxies_all)} 个可用代理: {first} ...")
return first
logger.warning(f"获取代理失败: {msg}")
return None
def _fetch_and_verify_all(self, max_attempts: int) -> tuple[Optional[list[str]], str]:
"""调代理 API 获取一批代理,并发验证所有可用代理。"""
resolver = ProxyResolver(
api_url=self.api_url,
whitelist_syncer=self._whitelist_syncer,
sync_local_exit_ip=bool(self._whitelist_syncer),
sync_whitelist_once=False,
)
available, msg = resolver.fetch_verified(max_attempts=max_attempts, return_all=True)
if isinstance(available, list):
return available, msg
if isinstance(available, str):
return [available], msg
return None, msg
def mark_bad(self, proxy_url: str) -> None:
"""标记代理为不可用,从池中移除(极验失败/代理连接失败时调用)。"""
with self._cond:
removed = self._verified_pool.pop(proxy_url, None)
self._in_use.discard(proxy_url)
if self.current_proxy == proxy_url:
self.current_proxy = None
if removed:
logger.info(f"代理标记为不可用并移出池: {proxy_url} (池剩余 {len(self._verified_pool)})")
self._cond.notify_all()
def release_proxy(self, proxy_url: str) -> None:
"""归还代理到池(登录完成后调用,让其他账号可以复用)。"""
with self._cond:
self._in_use.discard(proxy_url)
self._cond.notify_all()
def get_proxies_dict(self, proxy: str = None) -> dict:
"""获取 requests 使用的 proxies 字典。"""
proxy = proxy or self.current_proxy
if proxy:
return {'http': proxy, 'https': proxy}
return {}
def verify_proxy(self, proxy: str = None) -> bool:
"""验证当前代理是否可用。"""
proxy = proxy or self.current_proxy
if not proxy:
return False
try:
response = requests.get(
'https://httpbin.org/ip',
proxies={'http': proxy, 'https': proxy},
timeout=10,
)
if response.status_code == 200:
data = response.json()
logger.info(f"代理验证成功,当前IP: {data.get('origin')}")
return True
return False
except Exception as exc:
logger.error(f"代理验证失败: {exc}")
return False
def get_proxy_manager(
api_url: str = "",
whitelist_uid: str = "",
whitelist_ukey: str = "",
) -> ProxyManager:
"""获取代理管理器实例。"""
return ProxyManager(api_url, whitelist_uid=whitelist_uid, whitelist_ukey=whitelist_ukey)
+59
View File
@@ -0,0 +1,59 @@
"""代理 API 响应解析。"""
import json
import re
from typing import Optional
def parse_proxy_response(text: str) -> tuple[list[str], Optional[str]]:
"""
解析代理 API 响应,支持 JSON 格式与旧版纯文本格式。
Returns:
(proxy_urls, whitelist_ip)
- proxy_urls: 解析到的所有代理地址列表(http://ip:port
- whitelist_ip: 需要添加到白名单的 IP,无错误时为 None
"""
text = (text or "").strip()
if not text:
return [], None
try:
data = json.loads(text)
if isinstance(data, dict):
code = data.get("code")
msg = data.get("msg", "") or ""
if code != 0 and ("白名单" in msg or "添加白名单" in msg):
ip_match = re.search(r'(\d+\.\d+\.\d+\.\d+)', msg)
if ip_match:
return [], ip_match.group(1)
data_field = data.get("data")
proxies: list[str] = []
if isinstance(data_field, list):
for item in data_field:
if not isinstance(item, dict):
continue
ip = item.get("IP") or item.get("ip")
port = item.get("Port") or item.get("port")
if ip and port:
proxies.append(f"http://{ip}:{port}")
if proxies:
return proxies, None
if code == 0 and not proxies:
return [], None
except (json.JSONDecodeError, ValueError):
pass
if '添加白名单' in text or '白名单' in text:
ip_match = re.search(r'(\d+\.\d+\.\d+\.\d+)', text)
if ip_match:
return [], ip_match.group(1)
matches = re.findall(r'(\d+\.\d+\.\d+\.\d+):(\d+)', text)
proxies = [f"http://{ip}:{port}" for ip, port in matches]
if proxies:
return proxies, None
return [], None
+175
View File
@@ -0,0 +1,175 @@
"""代理获取、白名单同步、可用性验证的统一流程。"""
import time
from typing import Callable, Optional, Protocol
import requests
from loguru import logger
from .proxy_parser import parse_proxy_response
from .proxy_verifier import verify_proxies_concurrent
from .proxy_whitelist import DouyuWhitelistSyncer
LogFunc = Callable[[str, str], None]
class WhitelistSyncer(Protocol):
"""代理解析流程需要的白名单能力。"""
def sync_ip(self, ip: str) -> tuple[bool, str]:
...
def get_local_exit_ip(self) -> Optional[str]:
...
class ProxyResolver:
"""从代理 API 获取并验证代理,按需同步白名单。"""
def __init__(
self,
api_url: str,
whitelist_syncer: Optional[WhitelistSyncer] = None,
log_func: Optional[LogFunc] = None,
sync_local_exit_ip: bool = False,
sync_whitelist_once: bool = True,
):
self.api_url = api_url
self.whitelist_syncer = whitelist_syncer
self.log_func = log_func
self.sync_local_exit_ip = sync_local_exit_ip
self.sync_whitelist_once = sync_whitelist_once
self._last_synced_ip: Optional[str] = None
self._has_synced_whitelist = False
def _log(self, level: str, message: str) -> None:
if self.log_func:
self.log_func(level, message)
return
log_method = getattr(
logger,
level if level in ('debug', 'info', 'warning', 'error', 'success') else 'info',
logger.info,
)
log_method(message)
def _sync_ip(self, ip: str) -> tuple[bool, str]:
if not self.whitelist_syncer:
return False, '未配置白名单 UID/UKEY'
ok, sync_msg = self.whitelist_syncer.sync_ip(ip)
if ok:
self._last_synced_ip = ip
self._has_synced_whitelist = True
return ok, sync_msg
def _sync_local_exit_ip_if_needed(self, attempt: int) -> None:
if not self.sync_local_exit_ip or not self.whitelist_syncer:
return
local_ip = self.whitelist_syncer.get_local_exit_ip()
if local_ip and local_ip != self._last_synced_ip:
self._log('info', f"[尝试 {attempt}] 检测出口IP: {local_ip},同步白名单...")
ok, sync_msg = self._sync_ip(local_ip)
if ok:
self._log('info', f"白名单同步成功: {sync_msg}")
time.sleep(2)
else:
self._log('warning', f"白名单同步失败: {sync_msg}")
elif local_ip == self._last_synced_ip:
self._log('debug', f"[尝试 {attempt}] 出口IP未变: {local_ip}")
def fetch_verified(
self,
max_attempts: int = 4,
return_all: bool = False,
) -> tuple[Optional[str | list[str]], str]:
"""
获取并验证代理。
Args:
max_attempts: 最大尝试次数
return_all: True 返回所有可用代理,False 返回第一个可用代理
"""
last_error = ""
for attempt in range(1, max_attempts + 1):
if attempt > 1:
delay = min(attempt - 1, 2)
if self.log_func:
self._log('info', f'等待 {delay}s 后重试...')
time.sleep(delay)
self._sync_local_exit_ip_if_needed(attempt)
self._log('info', f'代理预检 {attempt}/{max_attempts}: 正在获取代理')
try:
response = requests.get(self.api_url, timeout=10)
response.raise_for_status()
text = response.text.strip()
proxy_urls, whitelist_ip = parse_proxy_response(text)
if proxy_urls:
self._log('info', f'获取到 {len(proxy_urls)} 个代理,并发验证')
available, msg = verify_proxies_concurrent(proxy_urls, return_all=return_all)
if available:
if not return_all:
self._log('success', f'代理预检成功: {available}')
return available, msg
last_error = msg
self._log('warning', f"代理预检 {attempt}/{max_attempts}: {last_error}")
continue
if whitelist_ip and self.whitelist_syncer:
if self.sync_whitelist_once and self._has_synced_whitelist:
last_error = f'白名单已同步但代理API仍返回白名单错误: {whitelist_ip}'
self._log('warning', last_error)
continue
self._log('warning', f'代理需要白名单IP: {whitelist_ip},自动同步...')
ok, sync_msg = self._sync_ip(whitelist_ip)
self._log('success' if ok else 'error', f'白名单同步: {sync_msg}')
if ok:
self._log('info', '白名单已更新,等待2秒后重试...')
time.sleep(2)
continue
return None, f'白名单同步失败: {sync_msg}'
last_error = '代理API响应无法解析'
self._log('warning', f"代理预检 {attempt}/{max_attempts}: {last_error}: {text[:80]}")
except Exception as exc:
last_error = f'代理API请求失败: {exc}'
self._log('warning', f"代理预检 {attempt}/{max_attempts}: {last_error}")
return None, f'代理预检失败({max_attempts}次尝试均失败): {last_error}'
def resolve_working_proxy(
api_url: str,
whitelist_uid: str = "",
whitelist_ukey: str = "",
max_attempts: int = 4,
log_func: Optional[LogFunc] = None,
) -> tuple[Optional[str], str]:
"""
从代理 API 获取可用代理,自动处理白名单同步。
保留旧函数签名,供 Web 层代理测试继续使用。
"""
syncer = (
DouyuWhitelistSyncer(whitelist_uid, whitelist_ukey)
if whitelist_uid and whitelist_ukey
else None
)
resolver = ProxyResolver(
api_url=api_url,
whitelist_syncer=syncer,
log_func=log_func,
sync_local_exit_ip=False,
sync_whitelist_once=True,
)
proxy, msg = resolver.fetch_verified(max_attempts=max_attempts, return_all=False)
if isinstance(proxy, list):
return (proxy[0] if proxy else None), msg
return proxy, msg
+114
View File
@@ -0,0 +1,114 @@
"""代理可用性验证。"""
from concurrent.futures import ThreadPoolExecutor, as_completed
from typing import Optional
import time as _time
import requests
from loguru import logger
def verify_proxy_url(proxy_url: str, timeout: tuple = (5, 8)) -> tuple[bool, str]:
"""
验证代理是否可用,只验证斗鱼主站(登录的最终目标)。
Returns:
(是否可用, 消息)
"""
from utils.http_logger import log_http
proxies = {'http': proxy_url, 'https': proxy_url}
started = _time.monotonic()
try:
response = requests.get(
'https://www.douyu.com',
proxies=proxies,
timeout=timeout,
headers={'User-Agent': 'Mozilla/5.0'},
)
elapsed = _time.monotonic() - started
response.raise_for_status()
log_http(
category="proxy_verify", method="GET", url="https://www.douyu.com",
status_code=response.status_code, response_body=f"代理可用: {proxy_url}",
duration=elapsed, proxy=proxy_url, tag="proxy_verify",
)
return True, '代理可用 → 斗鱼主站'
except Exception as exc:
elapsed = _time.monotonic() - started
err_msg = str(exc)
if 'Tunnel connection failed' in err_msg or '503' in err_msg:
detail = '代理拒绝连接(白名单可能未生效)'
elif 'timed out' in err_msg.lower():
detail = '连接超时'
else:
detail = type(exc).__name__
logger.debug(f"代理验证失败 [{proxy_url}]: {detail}")
log_http(
category="proxy_verify", method="GET", url="https://www.douyu.com",
duration=elapsed, error=f"[{proxy_url}] {detail}: {err_msg[:200]}",
proxy=proxy_url, tag="proxy_verify",
)
return False, detail
def verify_proxies_concurrent(
proxy_urls: list[str],
timeout: tuple = (5, 8),
max_workers: int = 5,
return_all: bool = False,
) -> tuple[Optional[str | list[str]], str]:
"""
并发验证多个代理 URL。
Returns:
return_all=False: (可用代理 URL 或 None, 消息)
return_all=True: (可用代理 URL 列表或 None, 消息)
"""
if not proxy_urls:
return None, '无代理可验证'
if len(proxy_urls) == 1:
ok, msg = verify_proxy_url(proxy_urls[0], timeout)
if ok:
return (proxy_urls if return_all else proxy_urls[0]), msg
return None, msg
if return_all:
available: list[str] = []
with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
future_map = {
executor.submit(verify_proxy_url, proxy, timeout): proxy
for proxy in proxy_urls
}
for future in as_completed(future_map):
try:
ok, _ = future.result()
if ok:
available.append(future_map[future])
except Exception:
continue
if available:
logger.success(f"并发验证找到 {len(available)}/{len(proxy_urls)} 个可用代理")
return available, f'找到 {len(available)} 个可用代理'
return None, f'{len(proxy_urls)} 个代理均不可用'
with ThreadPoolExecutor(max_workers=min(max_workers, len(proxy_urls))) as executor:
future_map = {
executor.submit(verify_proxy_url, proxy, timeout): proxy
for proxy in proxy_urls
}
for future in as_completed(future_map):
proxy_url = future_map[future]
try:
ok, msg = future.result()
if ok:
logger.success(f"并发验证找到可用代理: {proxy_url}")
for item in future_map:
if item != future:
item.cancel()
return proxy_url, msg
except Exception:
continue
return None, f'{len(proxy_urls)} 个代理均不可用'
+20
View File
@@ -0,0 +1,20 @@
"""代理模块使用的白名单适配器。"""
from typing import Optional
from .whitelist import WhitelistManager, get_local_exit_ip
class DouyuWhitelistSyncer:
"""把白名单 API 隔离成代理解析流程可调用的适配器。"""
def __init__(self, uid: str, ukey: str):
self.uid = uid
self.ukey = ukey
def sync_ip(self, ip: str) -> tuple[bool, str]:
manager = WhitelistManager(self.uid, self.ukey)
return manager.sync_ip(ip)
def get_local_exit_ip(self) -> Optional[str]:
return get_local_exit_ip()