gpt4free/g4f/Provider/ChatgptFree.py

#cloudflare block

from __future__ import annotations

import re
from aiohttp import ClientSession

from ..requests import StreamSession
from ..typing import Messages
from .base_provider import AsyncProvider
from .helper import format_prompt, get_cookies


class ChatgptFree(AsyncProvider):
    url                   = "https://chatgptfree.ai"
    supports_gpt_35_turbo = True
    working               = True
    _post_id              = None
    _nonce                = None

    @classmethod
    async def create_async(
        cls,
        model: str,
        messages: Messages,
        proxy: str = None,
        cookies: dict = None,
        **kwargs
    ) -> str:
        
        if not cookies:
            cookies = get_cookies('chatgptfree.ai')
            if not cookies:
                raise RuntimeError(f"g4f.provider.{cls.__name__} requires cookies [refresh https://chatgptfree.ai on chrome]")

        headers = {
            'authority': 'chatgptfree.ai',
            'accept': '*/*',
            'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3',
            'origin': 'https://chatgptfree.ai',
            'referer': 'https://chatgptfree.ai/chat/',
            'sec-ch-ua': '"Chromium";v="118", "Google Chrome";v="118", "Not=A?Brand";v="99"',
            'sec-ch-ua-mobile': '?0',
            'sec-ch-ua-platform': '"macOS"',
            'sec-fetch-dest': 'empty',
            'sec-fetch-mode': 'cors',
            'sec-fetch-site': 'same-origin',
            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36',
        }
        
        async with StreamSession(headers=headers,
            impersonate="chrome107", proxies={"https": proxy}, timeout=10) as session:
            
            if not cls._nonce:
                async with session.get(f"{cls.url}/", cookies=cookies) as response:
                    
                    response.raise_for_status()
                    response = await response.text()

                    result = re.search(r'data-post-id="([0-9]+)"', response)
                    if not result:
                        raise RuntimeError("No post id found")
                    cls._post_id = result.group(1)
                    
                    result = re.search(r'data-nonce="(.*?)"', response)
                    if not result:
                        raise RuntimeError("No nonce found")
 
                    cls._nonce = result.group(1)
            
            prompt = format_prompt(messages)
            data = {
                "_wpnonce": cls._nonce,
                "post_id": cls._post_id,
                "url": cls.url,
                "action": "wpaicg_chat_shortcode_message",
                "message": prompt,
                "bot_id": "0"
            }
            async with session.post(cls.url + "/wp-admin/admin-ajax.php",
                                    data=data, cookies=cookies) as response:
                
                response.raise_for_status()
                return (await response.json())["data"]