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path: root/g4f/Provider/ChatgptLogin.py
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import base64
import os
import re

import requests

from ..typing import Any, CreateResult
from .base_provider import BaseProvider


class ChatgptLogin(BaseProvider):
    url = "https://chatgptlogin.ac"
    supports_gpt_35_turbo = True

    @staticmethod
    def create_completion(
        model: str,
        messages: list[dict[str, str]],
        stream: bool,
        **kwargs: Any,
    ) -> CreateResult:
        headers = {
            "authority": "chatgptlogin.ac",
            "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",
            "content-type": "application/json",
            "origin": "https://chatgptlogin.ac",
            "referer": "https://chatgptlogin.ac/use-chatgpt-free/",
            "sec-ch-ua": '"Not.A/Brand";v="8", "Chromium";v="114", "Google Chrome";v="114"',
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": '"Windows"',
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "same-origin",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
            "x-wp-nonce": _get_nonce(),
        }

        conversation = _transform(messages)

        json_data = {
            "env": "chatbot",
            "session": "N/A",
            "prompt": "Converse as if you were an AI assistant. Be friendly, creative.",
            "context": "Converse as if you were an AI assistant. Be friendly, creative.",
            "messages": conversation,
            "newMessage": messages[-1]["content"],
            "userName": '<div class="mwai-name-text">User:</div>',
            "aiName": '<div class="mwai-name-text">AI:</div>',
            "model": "gpt-3.5-turbo",
            "temperature": kwargs.get("temperature", 0.8),
            "maxTokens": 1024,
            "maxResults": 1,
            "apiKey": "",
            "service": "openai",
            "embeddingsIndex": "",
            "stop": "",
            "clientId": os.urandom(6).hex(),
        }

        response = requests.post(
            "https://chatgptlogin.ac/wp-json/ai-chatbot/v1/chat",
            headers=headers,
            json=json_data,
        )
        response.raise_for_status()
        yield response.json()["reply"]

    @classmethod
    @property
    def params(cls):
        params = [
            ("model", "str"),
            ("messages", "list[dict[str, str]]"),
            ("stream", "bool"),
            ("temperature", "float"),
        ]
        param = ", ".join([": ".join(p) for p in params])
        return f"g4f.provider.{cls.__name__} supports: ({param})"


def _get_nonce() -> str:
    res = requests.get(
        "https://chatgptlogin.ac/use-chatgpt-free/",
        headers={
            "Referer": "https://chatgptlogin.ac/use-chatgpt-free/",
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
        },
    )

    result = re.search(
        r'class="mwai-chat mwai-chatgpt">.*<span>Send</span></button></div></div></div> <script defer src="(.*?)">',
        res.text,
    )
    if result is None:
        return ""

    src = result.group(1)
    decoded_string = base64.b64decode(src.split(",")[-1]).decode("utf-8")
    result = re.search(r"let restNonce = '(.*?)';", decoded_string)

    return "" if result is None else result.group(1)


def _transform(messages: list[dict[str, str]]) -> list[dict[str, Any]]:
    return [
        {
            "id": os.urandom(6).hex(),
            "role": message["role"],
            "content": message["content"],
            "who": "AI: " if message["role"] == "assistant" else "User: ",
            "html": _html_encode(message["content"]),
        }
        for message in messages
    ]


def _html_encode(string: str) -> str:
    table = {
        '"': "&quot;",
        "'": "&#39;",
        "&": "&amp;",
        ">": "&gt;",
        "<": "&lt;",
        "\n": "<br>",
        "\t": "&nbsp;&nbsp;&nbsp;&nbsp;",
        " ": "&nbsp;",
    }

    for key in table:
        string = string.replace(key, table[key])

    return string