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live-hub-py/web/backend/routers/proxy.py
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2026-06-22 13:59:03 +08:00

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"""代理 & 白名单配置路由 + WebSocket 实时日志"""
import asyncio
import threading
import uuid
from fastapi import APIRouter, Depends, HTTPException, WebSocket, WebSocketDisconnect
from sqlalchemy.orm import Session
from ..database import get_db
from ..models import User, ProxyConfig as ProxyConfigModel, AuditLog
from ..schemas import ProxyConfigOut, ProxyConfigUpdate
from ..deps import require_permission
from core.douyu.proxy import resolve_working_proxy, verify_proxy_url, parse_proxy_response
router = APIRouter(prefix="/api/proxy", tags=["代理与白名单"])
# 运行中的测试: test_id -> {log_queue, loop, result}
_active_tests: dict[str, dict] = {}
def _get_or_create(db: Session) -> ProxyConfigModel:
cfg = db.query(ProxyConfigModel).first()
if not cfg:
cfg = ProxyConfigModel()
db.add(cfg)
db.commit()
db.refresh(cfg)
return cfg
@router.get("", response_model=ProxyConfigOut)
def get_proxy_config(
db: Session = Depends(get_db),
_: User = Depends(require_permission("proxy:manage")),
):
return _get_or_create(db)
@router.put("", response_model=ProxyConfigOut)
def update_proxy_config(
req: ProxyConfigUpdate,
db: Session = Depends(get_db),
current: User = Depends(require_permission("proxy:manage")),
):
cfg = _get_or_create(db)
cfg.enabled = req.enabled
cfg.api_url = req.api_url
cfg.http = req.http
cfg.https = req.https
cfg.whitelist_enabled = req.whitelist_enabled
cfg.whitelist_uid = req.whitelist_uid
cfg.whitelist_ukey = req.whitelist_ukey
db.commit()
db.refresh(cfg)
db.add(AuditLog(user_id=current.id, username=current.username,
action="proxy:update", target="proxy_config"))
db.commit()
return cfg
# ---- WebSocket 日志推送 ----
@router.websocket("/ws/test/{test_id}")
async def ws_test_logs(websocket: WebSocket, test_id: str):
"""WebSocket 推送代理/白名单测试实时日志。"""
await websocket.accept()
test = _active_tests.get(test_id)
if not test:
await websocket.send_json({"level": "error", "message": "测试任务不存在"})
await websocket.close()
return
log_queue: asyncio.Queue = test["log_queue"]
try:
while True:
try:
msg = await asyncio.wait_for(log_queue.get(), timeout=30)
await websocket.send_json(msg)
# 收到 result 消息表示测试结束
if msg.get("level") == "result":
await asyncio.sleep(0.1)
break
except asyncio.TimeoutError:
await websocket.send_json({"level": "heartbeat", "message": ""})
except WebSocketDisconnect:
pass
finally:
_active_tests.pop(test_id, None)
# ---- 异步测试执行 ----
def _run_proxy_test(
cfg: ProxyConfigModel,
log_queue: asyncio.Queue,
loop: asyncio.AbstractEventLoop,
):
"""在线程中执行代理测试。"""
def push(level, message):
asyncio.run_coroutine_threadsafe(
log_queue.put({"level": level, "message": message}),
loop,
)
try:
if not cfg.enabled:
push("error", "代理未启用")
push("result", "")
return
# 静态代理
if cfg.http or cfg.https:
proxy_url = cfg.http or cfg.https
push("info", f"验证静态代理: {proxy_url}")
ok, msg = verify_proxy_url(proxy_url)
push("success" if ok else "error", msg)
push("result", "")
return
# API代理
if cfg.api_url:
whitelist_uid = cfg.whitelist_uid if cfg.whitelist_enabled else ""
whitelist_ukey = cfg.whitelist_ukey if cfg.whitelist_enabled else ""
proxy_url, msg = resolve_working_proxy(
api_url=cfg.api_url,
whitelist_uid=whitelist_uid,
whitelist_ukey=whitelist_ukey,
max_attempts=3,
log_func=push,
)
if proxy_url:
push("success", f"代理可用: {proxy_url}")
else:
push("error", msg)
push("result", "")
return
push("error", "未配置代理地址或API")
push("result", "")
except Exception as e:
push("error", f"测试异常: {e}")
push("result", "")
def _run_whitelist_test(
cfg: ProxyConfigModel,
log_queue: asyncio.Queue,
loop: asyncio.AbstractEventLoop,
):
"""在线程中执行白名单测试。"""
import requests as req_lib
import re
from core.douyu.whitelist import WhitelistManager, get_exit_ip_via_proxy
def push(level, message):
asyncio.run_coroutine_threadsafe(
log_queue.put({"level": level, "message": message}),
loop,
)
try:
if not cfg.whitelist_enabled:
push("error", "白名单未启用")
push("result", "")
return
if not cfg.whitelist_uid or not cfg.whitelist_ukey:
push("error", "未配置白名单UID/UKEY")
push("result", "")
return
manager = WhitelistManager(cfg.whitelist_uid, cfg.whitelist_ukey)
# 1. 测试API连接
push("info", "测试白名单API连接...")
ok, msg = manager.test_connection()
push("info" if ok else "error", f"白名单API: {msg}")
if not ok:
push("result", "")
return
# 2. 获取本机公网IP(白名单需要的是本机IP,不是代理出口IP)
push("info", "正在获取本机公网IP...")
# 优先:从代理API响应中提取(代理API返回"请先添加白名单:xxx"时,xxx就是本机IP
local_ip = None
if cfg.api_url:
try:
resp = req_lib.get(cfg.api_url, timeout=10)
text = resp.text.strip()
push("info", f"代理API响应: {text[:80]}")
_, whitelist_ip = parse_proxy_response(text)
if whitelist_ip:
local_ip = whitelist_ip
push("info", f"从代理API获取到本机IP: {local_ip}")
except Exception as e:
push("warning", f"代理API请求失败: {e}")
# 备用:直接访问IP检测服务获取本机公网IP
if not local_ip:
push("info", "通过IP检测服务获取本机公网IP...")
for url in [
'https://qifu-api.baidubce.com/ip/local/geo/v1/district',
'https://myip.ipip.net',
'https://4.ipw.cn',
]:
try:
resp = req_lib.get(url, timeout=6, headers={"User-Agent": "Mozilla/5.0"})
match = re.search(r'(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', resp.text)
if match:
local_ip = match.group(1)
break
except Exception:
continue
if not local_ip:
push("error", "无法获取本机公网IP")
push("result", "")
return
push("info", f"本机公网IP: {local_ip}")
# 3. 检查并同步白名单
records = manager.get_whitelist_json()
in_list = any(r.get('IP') == local_ip for r in records)
push("info", f"白名单共 {len(records)} 条记录")
if in_list:
record = next((r for r in records if r.get('IP') == local_ip), {})
memo = record.get('MEMO', '')
if memo == manager.memo:
push("success", f"本机IP {local_ip} 已在白名单中 (备注正确)")
else:
push("warning", f'本机IP {local_ip} 备注不匹配 (当前: "{memo}"),更新中...')
sync_ok, sync_msg = manager.sync_ip(local_ip)
push("success" if sync_ok else "error", f"白名单更新: {sync_msg}")
else:
push("info", f"正在将 {local_ip} 添加到白名单...")
sync_ok, sync_msg = manager.sync_ip(local_ip)
push("success" if sync_ok else "error", f"白名单同步: {sync_msg}")
push("result", "")
except Exception as e:
push("error", f"测试异常: {e}")
push("result", "")
# ---- API 端点 ----
@router.post("/test")
async def test_proxy(
db: Session = Depends(get_db),
current: User = Depends(require_permission("proxy:manage")),
):
"""启动代理测试(异步执行,通过 WebSocket 推送日志)。"""
cfg = _get_or_create(db)
test_id = uuid.uuid4().hex[:12]
log_queue = asyncio.Queue()
loop = asyncio.get_running_loop()
_active_tests[test_id] = {"log_queue": log_queue, "loop": loop}
thread = threading.Thread(target=_run_proxy_test, args=(cfg, log_queue, loop), daemon=True)
thread.start()
return {"test_id": test_id, "success": True}
@router.post("/whitelist/test")
async def test_whitelist(
db: Session = Depends(get_db),
current: User = Depends(require_permission("whitelist:test")),
):
"""启动白名单测试(异步执行,通过 WebSocket 推送日志)。"""
cfg = _get_or_create(db)
test_id = uuid.uuid4().hex[:12]
log_queue = asyncio.Queue()
loop = asyncio.get_running_loop()
_active_tests[test_id] = {"log_queue": log_queue, "loop": loop}
thread = threading.Thread(target=_run_whitelist_test, args=(cfg, log_queue, loop), daemon=True)
thread.start()
return {"test_id": test_id, "success": True}