初始化项目
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"""
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安全模块。
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"""
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import asyncio
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import json
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from tornado.httpclient import HTTPResponse, HTTPRequest
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import dock
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from dock.dcm import dcm_api
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from models.token import TokenModel
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from paste.core import config
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from paste.core.logging import echo_log
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from paste.util import udict
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from paste.web import requests
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async def login():
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"""
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登录 DCM 系统并获取认证 Cookie 和响应数据。
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流程:
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1. 访问 `/main.htm` 获取服务端下发的初始 Cookie(如 JSESSIONID)。
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2. 使用该 Cookie 构造请求头,向 `/login/validpassword` 发送 POST 请求。
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3. 请求体包含用户名、密码、浏览器及操作系统信息(从配置和随机生成获取)。
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4. 验证响应中 `resultInfo.success` 字段,若为 False 则抛出断言错误。
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Args:
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无参数。
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Returns:
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tuple: 包含两个元素的元组:
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- str: 请求头中的 Cookie 字符串(如 "JSESSIONID=abc; ...")
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- dict: DCM 接口返回的完整 JSON 响应数据
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Raises:
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AssertionError: 登录失败(`resultInfo.success` 为 False)
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ValueError: 响应体非合法 JSON
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HTTPError: 网络请求失败(由 `async_request` 抛出)
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"""
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home_url = f"{dcm_api.ApiUrl}/main.htm"
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login_url = f"{dcm_api.ApiUrl}/login/validpassword"
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# 获取初始 Cookie
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initial_cookies = await dock.scrape_cookies(home_url)
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cookie_header = "; ".join([f"{k}={v}" for k, v in initial_cookies.items()])
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echo_log(cookie_header)
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# 构建扩展头
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user_agent, browser_ver, os_name = dock.get_random_user_agent()
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extra_headers = {
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'Cookie': cookie_header,
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'User-Agent': user_agent,
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}
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# 构造请求
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request_body = {
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"u": config.get_config("dock.dcm.account.u"),
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"p": config.get_config("dock.dcm.account.p"),
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"ip": "",
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"browserVersion": browser_ver,
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"osVersion": os_name,
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"validCode": "",
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"validWay": 0,
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}
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# 构造请求对象
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request = dock.new_http_request(
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url=login_url,
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body=request_body,
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method='POST',
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timeout=dock.DEFAULT_TIMEOUT,
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use_form=True,
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extra_headers=extra_headers,
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)
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setattr(request, 'cookie_header', cookie_header)
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queue = asyncio.Queue()
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await queue.put(request)
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await requests.async_concurrency(
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queue, con_count=1, retry=dock.MAX_RETRY_COUNT,
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after_request=after_login
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)
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async def after_login(response: HTTPResponse, retry_queue: asyncio.Queue[HTTPRequest]):
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response_body = response.body.decode()
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response_data = json.loads(response_body)
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success = udict.get_by_path(response_data, 'resultInfo.success', False)
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if success:
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cookie_header = getattr(response.request, 'cookie_header')
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await TokenModel.refresh(platform='数字城管', token=cookie_header)
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echo_log(f"成功刷新数字城管登录令牌.")
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else:
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echo_log(f"数字城管登录失败,无法刷新令牌,响应:{response_body}")
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if retry_queue:
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echo_log(f"登录重试队列中有:{retry_queue.qsize()} 个请求在等待.")
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return response_data
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async def get_cookies(platform: str = '数字城管'):
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"""
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取得可用 Cookies。目前固定,后期改为从数据库读取。
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:param platform: 要查询的平台,默认是:数字城管
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:return: Cookies 字符串
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"""
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_token = await TokenModel.find_by_platform(platform)
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return _token.token
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if __name__ == "__main__":
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from paste.core import aio_pool
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_runner = aio_pool.get_aio_runner()
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_runner(login())
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