mirror of
https://github.com/Cccc-owo/CheckInApp.git
synced 2026-06-17 05:56:29 +00:00
d811c20932
BREAKING CHANGE: backend now requires Python 3.12 or newer.
312 lines
11 KiB
Python
312 lines
11 KiB
Python
from __future__ import annotations
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import base64
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import json
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import logging
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import time
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from filelock import FileLock
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from playwright.sync_api import TimeoutError as PlaywrightTimeoutError
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from playwright.sync_api import sync_playwright
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from backend.config import settings
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from backend.services.registration_manager import registration_manager
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from backend.workers.browser_automation import (
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PlaywrightLaunchConfig,
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extract_cookie_value,
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save_page_debug_artifacts,
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)
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logger = logging.getLogger(__name__)
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BASE_DIR = settings.BASE_DIR
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DEBUG_SCREENSHOT_PATH = BASE_DIR / "debug_screenshot.png"
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DEBUG_PAGE_SOURCE_PATH = BASE_DIR / "debug_page_source.html"
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def get_browser_config() -> PlaywrightLaunchConfig:
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"""获取 Playwright 浏览器配置(从 settings 读取)"""
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return PlaywrightLaunchConfig(executable_path=settings.BROWSER_EXECUTABLE_PATH)
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def update_session_file(session_id: str, data: dict) -> None:
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"""线程安全地写入会话文件"""
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filepath = settings.SESSION_DIR / f"{session_id}.json"
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lock_path = settings.SESSION_DIR / f"{session_id}.json.lock"
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try:
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with FileLock(lock_path, timeout=5):
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with open(filepath, "w", encoding="utf-8") as f:
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json.dump(data, f, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"写入会话文件 {filepath} 失败: {e}")
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def get_session_status(session_id: str) -> str | None:
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"""安全地读取会话文件的状态"""
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filepath = settings.SESSION_DIR / f"{session_id}.json"
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lock_path = settings.SESSION_DIR / f"{session_id}.json.lock"
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if not filepath.exists():
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return None
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try:
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with FileLock(lock_path, timeout=5):
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with open(filepath, "r", encoding="utf-8") as f:
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content = f.read()
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if not content:
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return None
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from backend.utils.json_helpers import safe_parse_json
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data = safe_parse_json(content, {})
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return data.get("status")
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except IOError as e:
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logger.error(f"读取会话文件 {filepath} 失败: {e}")
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return None
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def get_session_data(session_id: str) -> dict | None:
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"""读取完整的会话数据"""
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filepath = settings.SESSION_DIR / f"{session_id}.json"
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lock_path = settings.SESSION_DIR / f"{session_id}.json.lock"
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if not filepath.exists():
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return None
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try:
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with FileLock(lock_path, timeout=5):
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with open(filepath, "r", encoding="utf-8") as f:
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content = f.read()
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if not content:
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return None
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from backend.utils.json_helpers import safe_parse_json
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return safe_parse_json(content, {})
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except IOError as e:
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logger.error(f"读取会话文件 {filepath} 失败: {e}")
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return None
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def cancel_session(session_id: str) -> bool:
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"""
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取消登录会话
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Args:
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session_id: 会话 ID
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Returns:
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是否成功取消
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"""
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filepath = settings.SESSION_DIR / f"{session_id}.json"
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lock_path = settings.SESSION_DIR / f"{session_id}.json.lock"
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if not filepath.exists():
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logger.warning(f"尝试取消不存在的会话: {session_id}")
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return False
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try:
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with FileLock(lock_path, timeout=5):
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from backend.utils.json_helpers import safe_parse_json
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with open(filepath, "r", encoding="utf-8") as f:
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content = f.read()
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if not content:
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return False
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data = safe_parse_json(content, {})
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if data.get("status") == "success":
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logger.info(f"会话 {session_id} 已成功,无法取消")
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return False
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data["status"] = "cancelled"
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data["message"] = "用户取消登录"
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with open(filepath, "w", encoding="utf-8") as f:
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json.dump(data, f, ensure_ascii=False, indent=2)
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logger.info(f"✅ 会话 {session_id} 已取消")
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return True
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except Exception as e:
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logger.error(f"取消会话 {session_id} 失败: {e}")
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return False
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def _close_quietly(resource, label: str) -> None:
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if not resource:
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return
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try:
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resource.close()
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except Exception as e:
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logger.warning(f"关闭 {label} 时出现警告: {e}")
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def _release_alias_if_needed(alias: str | None, session_id: str) -> None:
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if not alias:
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return
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registration_manager.release_alias(alias, session_id)
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logger.info(f"释放用户名预占: {alias}")
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def get_token_headless(
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session_id: str, jwt_sub: str = None, alias: str = None, client_ip: str = ""
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) -> None:
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"""
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使用 Playwright 获取 QQ 扫码登录的 Token
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Args:
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session_id: 会话 ID
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jwt_sub: QQ 用户标识(老用户刷新 Token 时提供,新用户为 None)
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alias: 用户别名(用于新用户注册)
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client_ip: 客户端 IP 地址
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"""
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current_step = "初始化"
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browser = None
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context = None
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page = None
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playwright = None
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try:
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browser_config = get_browser_config()
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logger.info(f"Playwright ({session_id}): {current_step}...")
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playwright = sync_playwright().start()
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current_step = "启动浏览器"
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logger.info(f"Playwright ({session_id}): {current_step}...")
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browser = playwright.chromium.launch(**browser_config.to_launch_kwargs())
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logger.info(f"Playwright ({session_id}): 浏览器启动成功")
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current_step = "创建上下文"
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context = browser.new_context(**browser_config.to_context_kwargs())
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page = context.new_page()
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current_step = "导航到登录页面"
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logger.info(f"Playwright ({session_id}): {current_step}...")
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page.goto(
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"https://i.jielong.com/login?redirectTo=https%3A%2F%2Fi.jielong.com%2F",
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wait_until="domcontentloaded",
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timeout=60000,
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)
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current_step = "查找并点击切换按钮"
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toggle_button = page.locator("div.login-wrap .toggle")
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logger.info(f"Playwright ({session_id}): {current_step}...")
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toggle_button.click(timeout=60000)
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current_step = "勾选同意服务协议"
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checkbox = page.locator("input.ant-checkbox-input[type='checkbox']")
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logger.info(f"Playwright ({session_id}): {current_step}...")
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if not checkbox.is_checked():
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checkbox.click(timeout=60000)
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logger.info(f"Playwright ({session_id}): 已勾选服务协议")
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current_step = "点击立即登录按钮"
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login_button = page.locator("button.css-1wli0ry.ant-btn.ant-btn-default.login-btn")
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logger.info(f"Playwright ({session_id}): {current_step}...")
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login_button.click(timeout=60000)
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current_step = "等待二维码刷新"
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page.wait_for_timeout(3000)
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current_step = "等待QQ二维码图片加载"
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qr_locator = page.locator("#login_container img").first
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logger.info(f"Playwright ({session_id}): {current_step}...")
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qr_locator.wait_for(state="visible", timeout=60000)
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logger.info(f"Playwright ({session_id}): 成功找到QQ二维码元素,正在截图...")
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qr_base64 = base64.b64encode(qr_locator.screenshot(timeout=60000)).decode("ascii")
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update_session_file(
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session_id,
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{
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"status": "waiting_scan",
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"qr_image_data": qr_base64,
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"jwt_sub": jwt_sub,
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"alias": alias,
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"client_ip": client_ip,
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},
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)
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current_step = "等待用户扫描登录 (Cookie 'token' 出现)"
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logger.info(f"Playwright ({session_id}): {current_step}...")
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max_wait_seconds = 120
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for _ in range(max_wait_seconds):
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status = get_session_status(session_id)
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if status == "cancelled":
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logger.info(f"Playwright ({session_id}): 用户取消了登录,终止会话")
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_release_alias_if_needed(alias, session_id)
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return
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token = extract_cookie_value(context.cookies(), "token")
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if token:
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logger.info(f"Playwright ({session_id}): 成功在Cookie中捕获到Token!")
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update_session_file(
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session_id,
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{
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"status": "success",
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"token": token,
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"alias": alias,
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"client_ip": client_ip,
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},
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)
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return
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time.sleep(1)
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raise PlaywrightTimeoutError("等待扫码超时")
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except PlaywrightTimeoutError:
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if get_session_status(session_id) == "success":
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logger.warning(
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f"Playwright ({session_id}): 一个并发线程超时,但会话已成功,将忽略此超时。"
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)
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else:
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_release_alias_if_needed(alias, session_id)
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error_message = f"操作超时!卡在了步骤: '{current_step}'。请检查页面选择器或网络。"
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logger.error(f"Playwright ({session_id}): {error_message}")
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if page:
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try:
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save_page_debug_artifacts(page, DEBUG_SCREENSHOT_PATH, DEBUG_PAGE_SOURCE_PATH)
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logger.error(
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f"Playwright ({session_id}): 调试截图和源码已保存。当前URL: {page.url}"
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)
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except Exception as debug_error:
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logger.error(f"Playwright ({session_id}): 保存调试信息失败: {debug_error}")
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update_session_file(
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session_id, {"status": "error", "message": error_message, "jwt_sub": jwt_sub}
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)
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except Exception as e:
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if get_session_status(session_id) == "success":
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logger.warning(
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f"Playwright ({session_id}): 一个并发线程出错 ({e}),但会话已成功,将忽略此错误。"
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)
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else:
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_release_alias_if_needed(alias, session_id)
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logger.error(f"Playwright ({session_id}): 发生未知错误: {e}", exc_info=True)
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if page:
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try:
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save_page_debug_artifacts(page, DEBUG_SCREENSHOT_PATH, DEBUG_PAGE_SOURCE_PATH)
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except Exception as debug_error:
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logger.error(f"Playwright ({session_id}): 保存调试信息失败: {debug_error}")
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update_session_file(
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session_id, {"status": "error", "message": str(e), "jwt_sub": jwt_sub}
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)
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finally:
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_close_quietly(page, "页面")
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_close_quietly(context, "浏览器上下文")
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_close_quietly(browser, "浏览器")
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if playwright:
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try:
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playwright.stop()
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except Exception as e:
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logger.warning(f"关闭 Playwright runtime 时出现警告: {e}")
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logger.info(f"Playwright ({session_id}): 浏览器已关闭")
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