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Diffstat (limited to '')
| -rw-r--r-- | g4f/Provider/Myshell.py | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/g4f/Provider/Myshell.py b/g4f/Provider/Myshell.py new file mode 100644 index 00000000..0ddd3029 --- /dev/null +++ b/g4f/Provider/Myshell.py @@ -0,0 +1,172 @@ +from __future__ import annotations + +import json, uuid, hashlib, time, random + +from aiohttp import ClientSession +from aiohttp.http import WSMsgType +import asyncio + +from ..typing import AsyncGenerator +from .base_provider import AsyncGeneratorProvider, format_prompt + + +models = { + "samantha": "1e3be7fe89e94a809408b1154a2ee3e1", + "gpt-3.5-turbo": "8077335db7cd47e29f7de486612cc7fd", + "gpt-4": "01c8de4fbfc548df903712b0922a4e01", +} + + +class Myshell(AsyncGeneratorProvider): + url = "https://app.myshell.ai/chat" + working = True + supports_gpt_35_turbo = True + supports_gpt_4 = True + + @classmethod + async def create_async_generator( + cls, + model: str, + messages: list[dict[str, str]], + **kwargs + ) -> AsyncGenerator: + if not model: + bot_id = models["samantha"] + elif model in models: + bot_id = models[model] + else: + raise ValueError(f"Model are not supported: {model}") + + user_agent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36' + visitor_id = generate_visitor_id(user_agent) + + async with ClientSession( + headers={'User-Agent': user_agent} + ) as session: + async with session.ws_connect( + "wss://api.myshell.ai/ws/?EIO=4&transport=websocket", + autoping=False, + timeout=90 + ) as wss: + # Send and receive hello message + await wss.receive_str() + message = json.dumps({"token": None, "visitorId": visitor_id}) + await wss.send_str(f"40/chat,{message}") + await wss.receive_str() + + # Fix "need_verify_captcha" issue + await asyncio.sleep(5) + + # Create chat message + text = format_prompt(messages) + chat_data = json.dumps(["text_chat",{ + "reqId": str(uuid.uuid4()), + "botUid": bot_id, + "sourceFrom": "myshellWebsite", + "text": text, + **generate_signature(text) + }]) + + # Send chat message + chat_start = "42/chat," + chat_message = f"{chat_start}{chat_data}" + await wss.send_str(chat_message) + + # Receive messages + async for message in wss: + if message.type != WSMsgType.TEXT: + continue + # Ping back + if message.data == "2": + await wss.send_str("3") + continue + # Is not chat message + if not message.data.startswith(chat_start): + continue + data_type, data = json.loads(message.data[len(chat_start):]) + if data_type == "text_stream": + if data["data"]["text"]: + yield data["data"]["text"] + elif data["data"]["isFinal"]: + break + elif data_type in ("message_replied", "need_verify_captcha"): + raise RuntimeError(f"Received unexpected message: {data_type}") + + + @classmethod + @property + def params(cls): + params = [ + ("model", "str"), + ("messages", "list[dict[str, str]]"), + ("stream", "bool"), + ] + param = ", ".join([": ".join(p) for p in params]) + return f"g4f.provider.{cls.__name__} supports: ({param})" + + +def generate_timestamp() -> str: + return str( + int( + str(int(time.time() * 1000))[:-1] + + str( + sum( + 2 * int(digit) + if idx % 2 == 0 + else 3 * int(digit) + for idx, digit in enumerate(str(int(time.time() * 1000))[:-1]) + ) + % 10 + ) + ) + ) + +def generate_signature(text: str): + timestamp = generate_timestamp() + version = 'v1.0.0' + secret = '8@VXGK3kKHr!u2gA' + data = f"{version}#{text}#{timestamp}#{secret}" + signature = hashlib.md5(data.encode()).hexdigest() + signature = signature[::-1] + return { + "signature": signature, + "timestamp": timestamp, + "version": version + } + +def xor_hash(B: str): + r = [] + i = 0 + + def o(e, t): + o_val = 0 + for i in range(len(t)): + o_val |= r[i] << (8 * i) + return e ^ o_val + + for e in range(len(B)): + t = ord(B[e]) + r.insert(0, 255 & t) + + if len(r) >= 4: + i = o(i, r) + r = [] + + if len(r) > 0: + i = o(i, r) + + return hex(i)[2:] + +def performance() -> str: + t = int(time.time() * 1000) + e = 0 + while t == int(time.time() * 1000): + e += 1 + return hex(t)[2:] + hex(e)[2:] + +def generate_visitor_id(user_agent: str) -> str: + f = performance() + r = hex(int(random.random() * (16**16)))[2:-2] + d = xor_hash(user_agent) + e = hex(1080 * 1920)[2:] + return f"{f}-{r}-{d}-{e}-{f}"
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