gamejolt_download.py

#!/usr/bin/python3
import os
import re
import subprocess
import requests
import argparse


def main():
    parser = argparse.ArgumentParser(description="Download game files from GameJolt")
    parser.add_argument("url", help="URL of the game on GameJolt")
    args = parser.parse_args()

    session = requests.Session()
    game_id = re.search(r"/(\d+)(?:/|$)", args.url).group(1)

    response = session.get(
        f"https://gamejolt.com/site-api/web/discover/games/overview/{game_id}?ignore"
    ).json()
    for build in response["payload"]["builds"]:
        if build["type"] == "downloadable":
            build_id = build["id"]
            download_url_response = session.post(
                f"https://gamejolt.com/site-api/web/discover/games/builds/get-download-url/{build_id}",
                data="{}",
            ).json()
            token = re.search(
                r"token=([^&]+)", download_url_response["payload"]["url"]
            ).group(1)
            game_server_response = session.get(
                f"https://gamejolt.net/site-api/gameserver/{token}"
            ).json()
            url = game_server_response["payload"]["url"].replace("https://", "http://")
            path, file = re.search(r"https?://(.+)/([^\?]+)", url).groups()
            os.makedirs(path, exist_ok=True)
            file_path = os.path.join(path.replace("/", os.sep), file)
            cookies = {"gjexpires": "", "gjsig": ""}
            for cookie in session.cookies:
                if cookie.name in cookies:
                    cookies[cookie.name] = cookie.value
            cookies_str = "; ".join(
                f"{name}={value}" for name, value in cookies.items() if value
            )
            subprocess.call(
                ["wget", "--header", f"Cookie: {cookies_str}", "-O", file_path, url]
            )


if __name__ == "__main__":
    main()