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from __future__ import annotations |
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import time |
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from hashlib import sha256 |
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from aiohttp import BaseConnector, ClientSession |
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from ...errors import RateLimitError |
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from ...requests import raise_for_status |
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from ...requests.aiohttp import get_connector |
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from ...typing import AsyncResult, Messages |
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from ..base_provider import AsyncGeneratorProvider, ProviderModelMixin |
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class AIChatFree(AsyncGeneratorProvider, ProviderModelMixin): |
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url = "https://aichatfree.info/" |
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working = False |
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supports_stream = True |
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supports_message_history = True |
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default_model = 'gemini-pro' |
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@classmethod |
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async def create_async_generator( |
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cls, |
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model: str, |
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messages: Messages, |
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proxy: str = None, |
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connector: BaseConnector = None, |
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**kwargs, |
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) -> AsyncResult: |
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headers = { |
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0", |
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"Accept": "*/*", |
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"Accept-Language": "en-US,en;q=0.5", |
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"Accept-Encoding": "gzip, deflate, br", |
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"Content-Type": "text/plain;charset=UTF-8", |
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"Referer": f"{cls.url}/", |
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"Origin": cls.url, |
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"Sec-Fetch-Dest": "empty", |
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"Sec-Fetch-Mode": "cors", |
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"Sec-Fetch-Site": "same-origin", |
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"Connection": "keep-alive", |
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"TE": "trailers", |
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} |
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async with ClientSession( |
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connector=get_connector(connector, proxy), headers=headers |
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) as session: |
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timestamp = int(time.time() * 1e3) |
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data = { |
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"messages": [ |
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{ |
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"role": "model" if message["role"] == "assistant" else "user", |
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"parts": [{"text": message["content"]}], |
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} |
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for message in messages |
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], |
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"time": timestamp, |
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"pass": None, |
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"sign": generate_signature(timestamp, messages[-1]["content"]), |
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} |
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async with session.post( |
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f"{cls.url}/api/generate", json=data, proxy=proxy |
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) as response: |
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if response.status == 500: |
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if "Quota exceeded" in await response.text(): |
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raise RateLimitError( |
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f"Response {response.status}: Rate limit reached" |
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) |
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await raise_for_status(response) |
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async for chunk in response.content.iter_any(): |
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yield chunk.decode(errors="ignore") |
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def generate_signature(time: int, text: str, secret: str = ""): |
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message = f"{time}:{text}:{secret}" |
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return sha256(message.encode()).hexdigest() |
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