import base64
import json
import os
import re
import time
import uuid
import random
from urllib.parse import unquote
from copy import deepcopy
from .crypt import decrypt, encrypt
from ...requests import StreamSession
class NoValidHarFileError(Exception):
...
class arkReq:
def __init__(self, arkURL, arkBx, arkHeader, arkBody, arkCookies, userAgent):
self.arkURL = arkURL
self.arkBx = arkBx
self.arkHeader = arkHeader
self.arkBody = arkBody
self.arkCookies = arkCookies
self.userAgent = userAgent
arkPreURL = "https://tcr9i.chat.openai.com/fc/gt2/public_key/35536E1E-65B4-4D96-9D97-6ADB7EFF8147"
sessionUrl = "https://chat.openai.com/api/auth/session"
chatArk: arkReq = None
accessToken: str = None
cookies: dict = None
def readHAR():
dirPath = "./"
harPath = []
chatArks = []
accessToken = None
cookies = {}
for root, dirs, files in os.walk(dirPath):
for file in files:
if file.endswith(".har"):
harPath.append(os.path.join(root, file))
if harPath:
break
if not harPath:
raise NoValidHarFileError("No .har file found")
for path in harPath:
with open(path, 'rb') as file:
try:
harFile = json.loads(file.read())
except json.JSONDecodeError:
# Error: not a HAR file!
continue
for v in harFile['log']['entries']:
if arkPreURL in v['request']['url']:
chatArks.append(parseHAREntry(v))
elif v['request']['url'] == sessionUrl:
accessToken = json.loads(v["response"]["content"]["text"]).get("accessToken")
cookies = {c['name']: c['value'] for c in v['request']['cookies']}
if not accessToken:
raise NoValidHarFileError("No accessToken found in .har files")
if not chatArks:
return None, accessToken, cookies
return chatArks.pop(), accessToken, cookies
def parseHAREntry(entry) -> arkReq:
tmpArk = arkReq(
arkURL=entry['request']['url'],
arkBx="",
arkHeader={h['name'].lower(): h['value'] for h in entry['request']['headers'] if h['name'].lower() not in ['content-length', 'cookie'] and not h['name'].startswith(':')},
arkBody={p['name']: unquote(p['value']) for p in entry['request']['postData']['params'] if p['name'] not in ['rnd']},
arkCookies={c['name']: c['value'] for c in entry['request']['cookies']},
userAgent=""
)
tmpArk.userAgent = tmpArk.arkHeader.get('user-agent', '')
bda = tmpArk.arkBody["bda"]
bw = tmpArk.arkHeader['x-ark-esync-value']
tmpArk.arkBx = decrypt(bda, tmpArk.userAgent + bw)
return tmpArk
def genArkReq(chatArk: arkReq) -> arkReq:
tmpArk: arkReq = deepcopy(chatArk)
if tmpArk is None or not tmpArk.arkBody or not tmpArk.arkHeader:
raise RuntimeError("The .har file is not valid")
bda, bw = getBDA(tmpArk)
tmpArk.arkBody['bda'] = base64.b64encode(bda.encode()).decode()
tmpArk.arkBody['rnd'] = str(random.random())
tmpArk.arkHeader['x-ark-esync-value'] = bw
return tmpArk
async def sendRequest(tmpArk: arkReq, proxy: str = None):
async with StreamSession(headers=tmpArk.arkHeader, cookies=tmpArk.arkCookies, proxies={"https": proxy}) as session:
async with session.post(tmpArk.arkURL, data=tmpArk.arkBody) as response:
arkose = (await response.json()).get("token")
if "sup=1|rid=" not in arkose:
return RuntimeError("No valid arkose token generated")
return arkose
def getBDA(arkReq: arkReq):
bx = arkReq.arkBx
bx = re.sub(r'"key":"n","value":"\S*?"', f'"key":"n","value":"{getN()}"', bx)
oldUUID_search = re.search(r'"key":"4b4b269e68","value":"(\S*?)"', bx)
if oldUUID_search:
oldUUID = oldUUID_search.group(1)
newUUID = str(uuid.uuid4())
bx = bx.replace(oldUUID, newUUID)
bw = getBw(getBt())
encrypted_bx = encrypt(bx, arkReq.userAgent + bw)
return encrypted_bx, bw
def getBt() -> int:
return int(time.time())
def getBw(bt: int) -> str:
return str(bt - (bt % 21600))
def getN() -> str:
timestamp = str(int(time.time()))
return base64.b64encode(timestamp.encode()).decode()
async def getArkoseAndAccessToken(proxy: str):
global chatArk, accessToken, cookies
if chatArk is None or accessToken is None:
chatArk, accessToken, cookies = readHAR()
if chatArk is None:
return None, accessToken, cookies
newReq = genArkReq(chatArk)
return await sendRequest(newReq, proxy), accessToken, cookies
