gpt4free/g4f/Provider/bing/create_images.py

"""
This module provides functionalities for creating and managing images using Bing's service.
It includes functions for user login, session creation, image creation, and processing.
"""

import asyncio
import time
import json
import os
from aiohttp import ClientSession, BaseConnector
from bs4 import BeautifulSoup
from urllib.parse import quote
from typing import Generator, List, Dict

from ..create_images import CreateImagesProvider
from ..helper import get_cookies
from ...webdriver import WebDriver, get_driver_cookies, get_browser
from ...base_provider import ProviderType
from ...image import ImageResponse

BING_URL = "https://www.bing.com"
TIMEOUT_LOGIN = 1200
TIMEOUT_IMAGE_CREATION = 300
ERRORS = [
    "this prompt is being reviewed",
    "this prompt has been blocked",
    "we're working hard to offer image creator in more languages",
    "we can't create your images right now"
]
BAD_IMAGES = [
    "https://r.bing.com/rp/in-2zU3AJUdkgFe7ZKv19yPBHVs.png",
    "https://r.bing.com/rp/TX9QuO3WzcCJz1uaaSwQAz39Kb0.jpg",
]

def wait_for_login(driver: WebDriver, timeout: int = TIMEOUT_LOGIN) -> None:
    """
    Waits for the user to log in within a given timeout period.

    Args:
        driver (WebDriver): Webdriver for browser automation.
        timeout (int): Maximum waiting time in seconds.

    Raises:
        RuntimeError: If the login process exceeds the timeout.
    """
    driver.get(f"{BING_URL}/")
    start_time = time.time()
    while not driver.get_cookie("_U"):
        if time.time() - start_time > timeout:
            raise RuntimeError("Timeout error")
        time.sleep(0.5)

def create_session(cookies: Dict[str, str], proxy: str = None, connector: BaseConnector = None) -> ClientSession:
    """
    Creates a new client session with specified cookies and headers.

    Args:
        cookies (Dict[str, str]): Cookies to be used for the session.

    Returns:
        ClientSession: The created client session.
    """
    headers = {
        "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
        "accept-encoding": "gzip, deflate, br",
        "accept-language": "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh;q=0.6",
        "content-type": "application/x-www-form-urlencoded",
        "referrer-policy": "origin-when-cross-origin",
        "referrer": "https://www.bing.com/images/create/",
        "origin": "https://www.bing.com",
        "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 Edg/111.0.1661.54",
        "sec-ch-ua": "\"Microsoft Edge\";v=\"111\", \"Not(A:Brand\";v=\"8\", \"Chromium\";v=\"111\"",
        "sec-ch-ua-mobile": "?0",
        "sec-fetch-dest": "document",
        "sec-fetch-mode": "navigate",
        "sec-fetch-site": "same-origin",
        "sec-fetch-user": "?1",
        "upgrade-insecure-requests": "1",
    }
    if cookies:
        headers["Cookie"] = "; ".join(f"{k}={v}" for k, v in cookies.items())
    if proxy and not connector:
        try:
            from aiohttp_socks import ProxyConnector
            connector = ProxyConnector.from_url(proxy)
        except ImportError:
            raise RuntimeError('Install "aiohttp_socks" package for proxy support')
    return ClientSession(headers=headers, connector=connector)

async def create_images(session: ClientSession, prompt: str, proxy: str = None, timeout: int = TIMEOUT_IMAGE_CREATION) -> List[str]:
    """
    Creates images based on a given prompt using Bing's service.

    Args:
        session (ClientSession): Active client session.
        prompt (str): Prompt to generate images.
        proxy (str, optional): Proxy configuration.
        timeout (int): Timeout for the request.

    Returns:
        List[str]: A list of URLs to the created images.

    Raises:
        RuntimeError: If image creation fails or times out.
    """
    url_encoded_prompt = quote(prompt)
    payload = f"q={url_encoded_prompt}&rt=4&FORM=GENCRE"
    url = f"{BING_URL}/images/create?q={url_encoded_prompt}&rt=4&FORM=GENCRE"
    async with session.post(url, allow_redirects=False, data=payload, timeout=timeout) as response:
        response.raise_for_status()
        text = (await response.text()).lower()
        for error in ERRORS:
            if error in text:
                raise RuntimeError(f"Create images failed: {error}")
    if response.status != 302:
        url = f"{BING_URL}/images/create?q={url_encoded_prompt}&rt=3&FORM=GENCRE"
        async with session.post(url, allow_redirects=False, proxy=proxy, timeout=timeout) as response:
            if response.status != 302:
                raise RuntimeError(f"Create images failed. Code: {response.status}")

    redirect_url = response.headers["Location"].replace("&nfy=1", "")
    redirect_url = f"{BING_URL}{redirect_url}"
    request_id = redirect_url.split("id=")[1]
    async with session.get(redirect_url) as response:
        response.raise_for_status()

    polling_url = f"{BING_URL}/images/create/async/results/{request_id}?q={url_encoded_prompt}"
    start_time = time.time()
    while True:
        if time.time() - start_time > timeout:
            raise RuntimeError(f"Timeout error after {timeout} sec")
        async with session.get(polling_url) as response:
            if response.status != 200:
                raise RuntimeError(f"Polling images faild. Code: {response.status}")
            text = await response.text()
            if not text:
                await asyncio.sleep(1)
            else:
                break
    error = None
    try:
        error = json.loads(text).get("errorMessage")
    except:
        pass
    if error == "Pending":
        raise RuntimeError("Prompt is been blocked")
    elif error:
        raise RuntimeError(error)
    return read_images(text)

def read_images(html_content: str) -> List[str]:
    """
    Extracts image URLs from the HTML content.

    Args:
        html_content (str): HTML content containing image URLs.

    Returns:
        List[str]: A list of image URLs.
    """
    soup = BeautifulSoup(html_content, "html.parser")
    tags = soup.find_all("img", class_="mimg")
    images = [img["src"].split("?w=")[0] for img in tags]
    if any(im in BAD_IMAGES for im in images):
        raise RuntimeError("Bad images found")
    if not images:
        raise RuntimeError("No images found")
    return images

def get_cookies_from_browser(proxy: str = None) -> dict[str, str]:
    """
    Retrieves cookies from the browser using webdriver.

    Args:
        proxy (str, optional): Proxy configuration.

    Returns:
        dict[str, str]: Retrieved cookies.
    """
    with get_browser(proxy=proxy) as driver:
        wait_for_login(driver)
        time.sleep(1)
        return get_driver_cookies(driver)

class CreateImagesBing:
    """A class for creating images using Bing."""
    
    def __init__(self, cookies: dict[str, str] = {}, proxy: str = None) -> None:
        self.cookies = cookies
        self.proxy = proxy
    
    def create_completion(self, prompt: str) -> Generator[ImageResponse, None, None]:
        """
        Generator for creating imagecompletion based on a prompt.

        Args:
            prompt (str): Prompt to generate images.

        Yields:
            Generator[str, None, None]: The final output as markdown formatted string with images.
        """
        cookies = self.cookies or get_cookies(".bing.com")
        if "_U" not in cookies:
            login_url = os.environ.get("G4F_LOGIN_URL")
            if login_url:
                yield f"Please login: [Bing]({login_url})\n\n"
            self.cookies = get_cookies_from_browser(self.proxy)
        yield asyncio.run(self.create_async(prompt))

    async def create_async(self, prompt: str) -> ImageResponse:
        """
        Asynchronously creates a markdown formatted string with images based on the prompt.

        Args:
            prompt (str): Prompt to generate images.

        Returns:
            str: Markdown formatted string with images.
        """
        cookies = self.cookies or get_cookies(".bing.com")
        if "_U" not in cookies:
            raise RuntimeError('"_U" cookie is missing')
        proxy = os.environ.get("G4F_PROXY")
        async with create_session(cookies, proxy) as session:
            images = await create_images(session, prompt, self.proxy)
            return ImageResponse(images, prompt)
    
service = CreateImagesBing()

def patch_provider(provider: ProviderType) -> CreateImagesProvider:
    """
    Patches a provider to include image creation capabilities.

    Args:
        provider (ProviderType): The provider to be patched.

    Returns:
        CreateImagesProvider: The patched provider with image creation capabilities.
    """
    return CreateImagesProvider(
        provider,
        service.create_completion,
        service.create_async
    )