This repository has been archived on 2024-07-30. You can view files and clone it, but cannot push or open issues or pull requests.
python-aternos/python_aternos/atconnect.py
2021-10-28 00:06:18 +03:00

174 lines
4.8 KiB
Python

import re
import time
import random
import lxml.html
from requests import Response
from cloudscraper import CloudScraper
from typing import Optional, Union
from . import aterrors
# TEST
import js2py
import base64
# Set obj for js
presettings = """
let window = {};
"""
# Convert array function to CMAScript 5 function
def toECMAScript5Function(f):
return "(function() { " + f[f.index("{")+1 : f.index("}")] + "})();"
# Emulation of atob - https://developer.mozilla.org/en-US/docs/Web/API/atob
def atob(s):
return base64.standard_b64decode(str(s)).decode("utf-8")
REQGET = 0
REQPOST = 1
REQUA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Goanna/4.8 Firefox/68.0 PaleMoon/29.4.0.2'
class AternosConnect:
def __init__(self) -> None:
pass
def parse_token(self, response:Optional[Union[str,bytes]]=None) -> str:
if response == None:
loginpage = self.request_cloudflare(
f'https://aternos.org/go/', REQGET
).content
pagetree = lxml.html.fromstring(loginpage)
else:
pagetree = lxml.html.fromstring(response)
try:
# fetch text
pagehead = pagetree.head
text = pagehead.text_content()
#search
js_funcs = re.findall(r"\(\(\)(.*?)\)\(\);", text)
token_js_func = js_funcs[1] if len(js_funcs) > 1 else js_funcs[0]
# run js
ctx = js2py.EvalJs({ 'atob': atob })
jsf = toECMAScript5Function(token_js_func)
ctx.execute(presettings + jsf)
self.token = ctx.window['AJAX_TOKEN']
except (IndexError, TypeError):
raise aterrors.AternosCredentialsError(
'Unable to parse TOKEN from the page'
)
return self.token
def generate_sec(self) -> str:
randkey = self.generate_aternos_rand()
randval = self.generate_aternos_rand()
self.sec = f'{randkey}:{randval}'
self.session.cookies.set(
f'ATERNOS_SEC_{randkey}', randval,
domain='aternos.org'
)
return self.sec
def generate_aternos_rand(self, randlen:int=16) -> str:
rand_arr = []
for i in range(randlen+1):
rand_arr.append('')
rand_alphanum = \
self.convert_num(random.random(),36) + \
'00000000000000000'
return (rand_alphanum[2:18].join(rand_arr)[:randlen])
def convert_num(self, num:Union[int,float], base:int) -> str:
result = ''
while num > 0:
result = str(num % base) + result
num //= base
return result
def request_cloudflare(
self, url:str, method:int,
retries:int=10,
params:Optional[dict]=None,
data:Optional[dict]=None,
headers:Optional[dict]=None,
reqcookies:Optional[dict]=None,
sendtoken:bool=False) -> Response:
cftitle = '<title>Please Wait... | Cloudflare</title>'
if sendtoken:
if params == None:
params = {}
params['SEC'] = self.sec
params['TOKEN'] = self.token
if headers == None:
headers = {}
headers['User-Agent'] = REQUA
try:
cookies = self.session.cookies
except AttributeError:
cookies = None
self.session = CloudScraper()
if cookies != None:
self.session.cookies = cookies
if method == REQPOST:
req = self.session.post(
url,
data=data,
headers=headers,
cookies=reqcookies
)
else:
req = self.session.get(
url,
params=params,
headers=headers,
cookies=reqcookies
)
countdown = retries
while cftitle in req.text \
and (countdown > 0):
self.session = CloudScraper()
if cookies != None:
self.session.cookies = cookies
if reqcookies != None:
for cookiekey in reqcookies:
self.session.cookies.set(cookiekey, reqcookies[cookiekey])
time.sleep(1)
if method == REQPOST:
req = self.session.post(
url,
data=data,
headers=headers,
cookies=reqcookies
)
else:
req = self.session.get(
url,
params=params,
headers=headers,
cookies=reqcookies
)
countdown -= 1
return req