227 lines
9.9 KiB
Python
227 lines
9.9 KiB
Python
import os
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import platform
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import xdelta3
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import tarfile
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import appdirs
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from pathlib import Path
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import shutil
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import aiohttp
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import asyncio
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from worthless import constants
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from worthless.launcher import Launcher
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from worthless.installer import Installer
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class Patcher:
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def __init__(self, gamedir=Path.cwd(), data_dir: str | Path = None, patch_url: str = None, overseas=True):
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self._gamedir = gamedir
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self._patch_url = (patch_url if patch_url else constants.PATCH_GIT_URL).replace('http://', 'https://')
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if not data_dir:
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self._appdirs = appdirs.AppDirs(constants.APP_NAME, constants.APP_AUTHOR)
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self._patch_path = Path(self._appdirs.user_data_dir).joinpath("Patch")
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self._temp_path = Path(self._appdirs.user_cache_dir).joinpath("Patcher")
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else:
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if not isinstance(data_dir, Path):
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data_dir = Path(data_dir)
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self._patch_path = data_dir.joinpath("Patch")
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self._temp_path = data_dir.joinpath("Temp/Patcher")
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self._overseas = overseas
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self._installer = Installer(self._gamedir, overseas=overseas, data_dir=self._temp_path)
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self._launcher = Launcher(self._gamedir, overseas=overseas)
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@staticmethod
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async def _get(url, **kwargs) -> aiohttp.ClientResponse:
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async with aiohttp.ClientSession() as session:
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rsp = await session.get(url, **kwargs)
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rsp.raise_for_status()
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return rsp
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async def _get_git_archive(self, archive_format="tar.gz", branch="master"):
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"""
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Get the git archive of the patch repository.
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This supports Gitea API and also introduce workaround for https://notabug.org
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:return: Archive file in bytes
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"""
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# Replace http with https
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if self._patch_url.startswith('https://notabug.org'):
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archive_url = self._patch_url + '/archive/master.{}'.format(archive_format)
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return await (await self._get(archive_url)).read()
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try:
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url_split = self._patch_url.split('//')
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git_server = url_split[0]
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git_owner, git_repo = url_split[1].split('/')
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archive_url = git_server + '/api/v1/repos/{}/{}/archive/{}.{}'.format(
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git_owner, git_repo, branch, archive_format
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)
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archive = await self._get(archive_url)
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except aiohttp.ClientResponseError:
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pass
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else:
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return await archive.read()
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async def _download_repo(self):
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if shutil.which("git"):
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if not self._patch_path.exists() or not self._patch_path.is_dir() \
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or not self._patch_path.joinpath(".git").exists():
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proc = await asyncio.create_subprocess_exec("git", "clone", self._patch_url, str(self._patch_path))
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await proc.wait()
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else:
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proc = await asyncio.create_subprocess_exec("git", "pull", cwd=str(self._patch_path))
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await proc.wait()
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else:
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archive = await self._get_git_archive()
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if not archive:
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raise RuntimeError("Cannot download patch repository")
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with tarfile.open(archive) as tar:
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tar.extractall(self._patch_path)
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def override_patch_url(self, url) -> None:
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"""
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Override the patch url.
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:param url: Patch repository url, the url must be a valid git repository.
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:return: None
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"""
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self._patch_url = url
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async def download_patch(self) -> None:
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"""
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If `git` exists, this will clone the patch git url and save it to a temporary directory.
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Else, this will download the patch from the patch url and save it to a temporary directory. (Not reliable)
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:return: None
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"""
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await self._download_repo()
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async def _patch_unityplayer_fallback(self):
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# xdelta3-python doesn't work becuase it's outdated.
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if self._overseas:
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patch = "unityplayer_patch_os.vcdiff"
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else:
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patch = "unityplayer_patch_cn.vcdiff"
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gamever = "".join(self._installer.get_game_version().split("."))
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unity_path = self._gamedir.joinpath("UnityPlayer.dll")
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unity_path.rename(self._gamedir.joinpath("UnityPlayer.dll.bak"))
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await asyncio.create_subprocess_exec("xdelta3", "-d", "-s", str(self._gamedir.joinpath("UnityPlayer.dll.bak")),
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str(self._patch_path.joinpath("{}/patch_files/{}".format(gamever, patch))),
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str(self._gamedir.joinpath("UnityPlayer.dll")), cwd=self._gamedir)
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async def _patch_xlua_fallback(self):
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# xdelta3-python doesn't work becuase it's outdated.
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patch = "xlua_patch.vcdiff"
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gamever = "".join(self._installer.get_game_version().split("."))
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data_name = self._installer.get_game_data_name()
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xlua_path = self._gamedir.joinpath("{}/Plugins/xlua.dll".format(data_name))
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xlua_path.rename(self._gamedir.joinpath("{}/Plugins/xlua.dll.bak").format(data_name))
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await asyncio.create_subprocess_exec("xdelta3", "-d", "-s",
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str(self._gamedir.joinpath("{}/Plugins/xlua.dll.bak".format(data_name))),
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str(self._patch_path.joinpath("{}/patch_files/{}".format(gamever, patch))),
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str(self._gamedir.joinpath("{}/Plugins/xlua.dll".format(data_name))),
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cwd=self._gamedir)
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def _patch_unityplayer(self):
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if self._overseas:
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patch = "unityplayer_patch_os.vcdiff"
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else:
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patch = "unityplayer_patch_cn.vcdiff"
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gamever = "".join(self._installer.get_game_version().split("."))
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unity_path = self._gamedir.joinpath("UnityPlayer.dll")
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patch_bytes = self._patch_path.joinpath("{}/patch_files/{}".format(gamever, patch)).read_bytes()
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patched_unity_bytes = xdelta3.decode(unity_path.read_bytes(), patch_bytes)
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unity_path.rename(self._gamedir.joinpath("UnityPlayer.dll.bak"))
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with Path(self._gamedir.joinpath("UnityPlayer.dll")).open("wb") as f:
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f.write(patched_unity_bytes)
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def _patch_xlua(self):
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patch = "xlua_patch.vcdiff"
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gamever = "".join(self._installer.get_game_version().split("."))
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data_name = self._installer.get_game_data_name()
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xlua_path = self._gamedir.joinpath("{}/Plugins/xlua.dll".format(data_name))
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patch_bytes = self._patch_path.joinpath("{}/patch_files/{}".format(gamever, patch)).read_bytes()
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patched_xlua_bytes = xdelta3.decode(xlua_path.read_bytes(), patch_bytes)
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xlua_path.rename(self._gamedir.joinpath("{}/Plugins/xlua.dll.bak".format(data_name)))
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with Path(self._gamedir.joinpath("{}/Plugins/xlua.dll".format(data_name))).open("wb") as f:
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f.write(patched_xlua_bytes)
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def apply_xlua_patch(self, fallback=True):
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if fallback:
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asyncio.run(self._patch_xlua_fallback())
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return
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self._patch_xlua()
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def apply_patch(self, crash_fix=False, fallback=True) -> None:
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"""
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Patch the game (and optionally patch xLua if specified)
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:param fallback:
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:param crash_fix: Whether to patch xLua or not
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:return: None
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"""
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if fallback:
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asyncio.run(self._patch_unityplayer_fallback())
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else:
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self._patch_unityplayer()
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if crash_fix:
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self.apply_xlua_patch(fallback=fallback)
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@staticmethod
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def _creation_date(file_path: Path):
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"""
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Try to get the date that a file was created, falling back to when it was
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last modified if that isn't possible.
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See http://stackoverflow.com/a/39501288/1709587 for explanation.
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"""
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if platform.system() == 'Windows':
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return os.path.getctime(file_path)
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else:
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stat = file_path.stat()
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try:
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return stat.st_birthtime
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except AttributeError:
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# We're probably on Linux. No easy way to get creation dates here,
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# so we'll settle for when its content was last modified.
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return stat.st_mtime
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def _revert_file(self, original_file: str, base_file: Path, ignore_error=False):
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original_path = self._gamedir.joinpath(original_file + ".bak").resolve()
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target_file = self._gamedir.joinpath(original_file).resolve()
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if original_path.exists():
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if abs(self._creation_date(base_file) - self._creation_date(original_path)) > 3600:
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if not ignore_error:
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raise RuntimeError("{} is not for this game version.".format(original_path.name))
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original_path.unlink(missing_ok=True)
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else:
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target_file.unlink(missing_ok=True)
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original_path.rename(target_file)
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def revert_patch(self, ignore_errors=True) -> None:
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"""
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Revert the patch (and revert the login door crash fix if patched)
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:return: None
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"""
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game_exec = self._gamedir.joinpath(asyncio.run(self._launcher.get_resource_info()).game.latest.entry)
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revert_files = [
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"UnityPlayer.dll",
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self._installer.get_game_data_name() + "upload_crash.exe",
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self._installer.get_game_data_name() + "Plugins/crashreport.exe",
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self._installer.get_game_data_name() + "Plugins/xlua.dll",
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]
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for file in revert_files:
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self._revert_file(file, game_exec, ignore_errors)
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for file in ["launcher.bat", "mhyprot2_running.reg"]:
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self._gamedir.joinpath(file).unlink(missing_ok=True)
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def get_files(extensions):
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all_files = []
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for ext in extensions:
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all_files.extend(self._gamedir.glob(ext))
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return all_files
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files = get_files(('*.dxvk-cache', '*_d3d9.log', '*_d3d11.log', '*_dxgi.log'))
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for file in files:
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file.unlink(missing_ok=True)
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