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import re
import sys
import json
import httpx
import asyncio
import websockets
import urllib.parse as parser
from loguru import logger
from configs import configs
class Browser(object):
@classmethod
async def connect(cls):
browser = cls(configs['browser']['port'])
if configs['browser']['verify'] and not await browser._verify():
return None
return browser
def __init__(self, dev_port):
self.port = dev_port
async def _verify(self): # 校验客户端和配置文件中的用户是否相同
try:
logger.info('[账号校验] | 正在校验账号...')
page = await self.wait_for_page(r'https?://.*')
user_info = (await page.eval('''
(function () {
var xhr = new XMLHttpRequest()
xhr.open('POST', 'https://school.ismartlearning.cn/client/user/student-info', false)
xhr.withCredentials = true
xhr.send(null)
return xhr.responseText
})()
'''))['result']['value']['data']
spider_user = configs['user']['username']
logger.debug(f'[账号校验] | 配置文件用户: {spider_user}')
logger.debug(f'[账号校验] | 客户端用户: {json.dumps(user_info, indent=4)}')
if str(spider_user) != user_info['mobile'] and str(spider_user) != user_info['username']:
logger.warning('[账号校验] | 客户端中登录的账号与配置文件中账号不符')
choice = input('[账号校验] | 继续使用可能会出现意料之外的问题,是否继续?[y/N]')
if choice.lower() != 'y':
exit()
else:
logger.info('[账号校验] | 校验通过')
return True
except Exception:
exceptionInformation = sys.exc_info()
logger.warning(f'[账号校验] | 账号校验出错:{exceptionInformation}')
async def wait_for_page(self, regexp): # 等待符合条件的页面出现
async with httpx.AsyncClient() as client:
while True:
try:
pages = (await client.get(f'http://127.0.0.1:{self.port}/json')).json()
for page in pages:
if re.fullmatch(regexp, page['url']) and 'webSocketDebuggerUrl' in page:
return Page(page['url'], page['webSocketDebuggerUrl'])
except httpx.ConnectError:
pass
await asyncio.sleep(2)
# noinspection PyTypeChecker
async def get_current(self):
async with httpx.AsyncClient() as client:
pages = (await client.get(f'http://127.0.0.1:{self.port}/json')).json()
for page in pages:
params = dict(parser.parse_qsl(parser.urlsplit(page['url']).query))
if 'courseId' not in params:
continue
if 'bookId' in params:
return params['courseId'], params['bookId']
return params['courseId'], None
class Page(object):
def __init__(self, url, dev_url):
self.id = 0
self.url, self.dev_url = url, dev_url
async def send(self, command, params):
async with websockets.connect(self.dev_url) as devtools:
await devtools.send(json.dumps({
'id': self.id,
'method': command,
'params': params
}))
self.id += 1
return json.loads(await devtools.recv())
async def eval(self, script):
result = await self.send(
'Runtime.evaluate', {
'expression': script,
'awaitPromise': True
}
)
return result['result']
async def submit(self, book_id, chapter_id, task_id, score, seconds, percent, user_id): # 提交任务点的得分
model = 'NetBrowser.submitTask("%s", "%s", "%s", 0, "%d", %d, %d, "%s");'
result = f'%7B%22studentid%22:{user_id},%22testInfo%22:%7B%22answerdata%22:%22%22,%22markdatao%22:%22%22%7D%7D'
return await self.eval(
model % (book_id, chapter_id, task_id, score, seconds, percent, result)
)