mirror of
https://github.com/OpenFusionProject/Client.git
synced 2024-11-17 03:20:06 +00:00
539 lines
18 KiB
Python
539 lines
18 KiB
Python
import json
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import random
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import shutil
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import asyncio
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import hashlib
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from pathlib import Path
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from dataclasses import dataclass
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from typing import Any, Dict, List, Tuple
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from argparse import Namespace, ArgumentParser
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import httpx
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import aiofiles
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from bs4 import BeautifulSoup
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# hack to get pyinstaller 3.5 to work
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if False:
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import anyio._backends._asyncio
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# Definitions
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BUF_SIZE = 1 << 16
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VMDict = Dict[str, Dict[str, Dict[str, Any]]]
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size_dict: VMDict = {}
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hash_dict: VMDict = {}
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hash_dict_updated: bool = False
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# Helper Classes
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@dataclass
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class FileInfo:
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version: str
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mode: str
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local_root: Path
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url_root: str
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current_local_path: Path
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current_url: str
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sha256: str
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def resolve(self, suffix: str, sha256: str = ''):
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return FileInfo(
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version=self.version,
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mode=self.mode,
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local_root=self.local_root,
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url_root=self.url_root,
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current_local_path=(self.current_local_path / suffix),
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current_url=(self.url_root.rstrip('/') + '/' + suffix.lstrip('/')),
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sha256=(sha256 or self.sha256),
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)
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def resolve_full(self, full_path: Path, sha256: str = ''):
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return self.resolve(full_path.relative_to(self.local_root).as_posix(), sha256=sha256)
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def relative_path(self) -> str:
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return self.current_local_path.relative_to(self.local_root).as_posix()
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@dataclass
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class FileInfoGroup:
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version: str
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mode: str
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permanent: bool
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local_root: Path
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url_root: str
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file_info_list: List[FileInfo]
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# IPC
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async def send_message(writer: asyncio.StreamWriter) -> None:
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message = (json.dumps(size_dict) + '\n').encode('utf-8')
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writer.write(message)
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await writer.drain()
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# Hash Helpers
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async def get_file_size_and_hash(file_path: Path) -> Tuple[int, str]:
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size = 0
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sha256 = hashlib.sha256()
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try:
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async with aiofiles.open(file_path, mode='rb') as rb:
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while True:
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data = await rb.read(BUF_SIZE)
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if not data:
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break
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sha256.update(data)
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size += len(data)
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except:
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pass
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return size, sha256.hexdigest()
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async def check_file_hash(file_info: FileInfo) -> bool:
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size, hash_str = await get_file_size_and_hash(file_info.current_local_path)
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file_intact = (hash_str == file_info.sha256)
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state = 'intact' if file_intact else 'altered'
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size_dict[file_info.version][file_info.mode][state] += size
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return file_intact
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async def register_size_and_hash(file_info: FileInfo) -> None:
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global hash_dict_updated
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size, hash_str = await get_file_size_and_hash(file_info.current_local_path)
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size_dict[file_info.version][file_info.mode]['intact'] += size
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size_dict[file_info.version][file_info.mode]['total'] += size
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hash_dict[file_info.version][file_info.mode + '_size'] += size
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hash_dict[file_info.version][file_info.mode][file_info.relative_path()] = hash_str
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hash_dict_updated = True
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async def unregister_size_and_hash(file_info: FileInfo) -> None:
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global hash_dict_updated
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size_dict[file_info.version][file_info.mode]['intact'] = 0
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size_dict[file_info.version][file_info.mode]['altered'] = 0
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size_dict[file_info.version][file_info.mode]['total'] = 0
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hash_dict[file_info.version][file_info.mode + '_size'] = 0
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hash_dict[file_info.version][file_info.mode].clear()
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hash_dict_updated = True
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# Hash High-Level Helpers
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async def hash_check_registered(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup], update_freq: int = 50) -> None:
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file_info_list = [file_info
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for file_info_group in file_info_groups
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for file_info in file_info_group.file_info_list]
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coroutines = [check_file_hash(file_info) for file_info in file_info_list]
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random.shuffle(coroutines)
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for i in range(0, len(coroutines), update_freq):
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await asyncio.gather(*coroutines[i:i+update_freq])
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await send_message(writer)
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async def hash_check_unregistered(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup]) -> None:
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for file_info_group in file_info_groups:
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file_info = FileInfo(
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version=file_info_group.version,
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mode=file_info_group.mode,
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local_root=file_info_group.local_root,
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url_root=file_info_group.url_root,
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current_local_path=file_info_group.local_root,
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current_url=file_info_group.url_root,
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sha256='',
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)
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for file_path in file_info_group.local_root.glob('**/*'):
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if any(file_path.samefile(file_info) for file_info in file_info_group.file_info_list):
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continue
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# assume file is intact
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await register_size_and_hash(file_info.resolve_full(file_path))
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await send_message(writer)
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# Download Helpers
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async def download_unregistered_file_all(writer: asyncio.StreamWriter, file_info: FileInfo) -> None:
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remote_path = Path(file_info.current_url.replace('file:', '', 1).lstrip('/'))
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for file_path in remote_path.glob('**/*'):
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new_file_info = file_info.resolve_full(file_path)
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new_file_info.current_local_path.parent.mkdir(parents=True, exist_ok=True)
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shutil.copy(file_path, new_file_info.current_local_path)
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# assume file is intact
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await register_size_and_hash(new_file_info)
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await send_message(writer)
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await send_message(writer)
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async def download_unregistered_http_all(
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writer: asyncio.StreamWriter,
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client: httpx.AsyncClient,
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file_info: FileInfo,
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retries: int = 5,
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depth: int = 3,
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) -> None:
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if depth == 0:
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return
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file_info.current_local_path.mkdir(exist_ok=True)
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page = await httpx.get(file_info.current_url).content
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bs = BeautifulSoup(page, 'html.parser')
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links = bs.find_all('a', href=True)
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for link in links:
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file_str = str(link['href'])
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new_file_info = file_info.resolve(file_str)
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if file_str == '../':
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continue
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if file_str.endswith('/'):
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await download_unregistered_http_all(
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writer, client, new_file_info, retries=retries, depth=(depth - 1))
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continue
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for i in range(retries):
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try:
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async with client.stream('GET', new_file_info.current_url) as stream:
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stream.raise_for_status()
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async with aiofiles.open(new_file_info.current_local_path, mode='wb') as wb:
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async for chunk in stream.aiter_bytes(chunk_size=BUF_SIZE):
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await wb.write(chunk)
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break
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except:
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await asyncio.sleep(i + 1)
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# assume file is intact
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await register_size_and_hash(new_file_info)
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await send_message(writer)
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async def download_registered_single(writer: asyncio.StreamWriter, client: httpx.AsyncClient, file_info: FileInfo, retries: int = 5) -> None:
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if (await check_file_hash(file_info)):
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await send_message(writer)
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return
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for i in range(retries):
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try:
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async with client.stream('GET', file_info.current_url) as stream:
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stream.raise_for_status()
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async with aiofiles.open(file_info.current_local_path, mode='wb') as wb:
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async for chunk in stream.aiter_bytes(chunk_size=BUF_SIZE):
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await wb.write(chunk)
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except:
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await asyncio.sleep(i + 1)
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if (await check_file_hash(file_info)):
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break
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await send_message(writer)
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# Download High-Level Helpers
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async def download_unregistered(writer: asyncio.StreamWriter, client: httpx.AsyncClient, file_info_groups: List[FileInfoGroup]) -> None:
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for file_info_group in file_info_groups:
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file_info = FileInfo(
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version=file_info_group.version,
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mode=file_info_group.mode,
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local_root=file_info_group.local_root,
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url_root=file_info_group.url_root,
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current_local_path=file_info_group.local_root,
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current_url=file_info_group.url_root,
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sha256='',
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)
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if file_info_group.url_root.startswith('http'):
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await download_unregistered_http_all(writer, client, file_info)
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else:
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await download_unregistered_file_all(writer, file_info)
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async def download_registered(writer: asyncio.StreamWriter, client: httpx.AsyncClient, file_info_groups: List[FileInfoGroup]) -> None:
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coroutines = []
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for file_info_group in file_info_groups:
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for file_info in file_info_group.file_info_list:
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file_info.current_local_path.parent.mkdir(parents=True, exist_ok=True)
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coroutines.append(download_registered_single(writer, client, file_info))
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random.shuffle(coroutines)
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await asyncio.gather(*coroutines)
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# Delete High-Level Helpers
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async def delete_unregistered(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup]) -> None:
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for file_info_group in file_info_groups:
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file_info = FileInfo(
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version=file_info_group.version,
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mode=file_info_group.mode,
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local_root=file_info_group.local_root,
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url_root=file_info_group.url_root,
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current_local_path=file_info_group.local_root,
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current_url=file_info_group.url_root,
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sha256='',
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)
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shutil.rmtree(file_info.current_local_path)
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await unregister_size_and_hash(file_info)
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await send_message(writer)
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async def delete_registered(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup]) -> None:
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roots = set()
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for file_info_group in file_info_groups:
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for file_info in file_info_group.file_info_list:
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if file_info.current_local_path.parent.is_dir():
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roots.add(file_info.current_local_path.parent)
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if file_info.current_local_path.is_file():
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file_info.current_local_path.unlink()
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await send_message(writer)
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roots_list: List[Path] = sorted(roots, key=lambda p: len(p.parts), reverse=True)
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for root_dir in roots_list:
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if not any(root_dir.iterdir()):
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root_dir.rmdir()
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# Operations
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async def hash_check(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup], update_freq: int = 50) -> None:
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"""
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Behavior:
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- get info group, if permanent, then only check hashes of files in
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hashes.json (either default or current)
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- if not permanent but has hashes registered, check the files in hashes.json
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then run a tree search for more files. If file new, add it into the hashes
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(assuming intact).
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- if not permanent and new, run a tree search for more files. If file new, add
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it into the hashes (assuming intact).
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"""
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registered_groups = [file_info_group
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for file_info_group in file_info_groups
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if file_info_group.file_info_list]
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unregistered_groups = [file_info_group
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for file_info_group in file_info_groups
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if not file_info_group.permanent]
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if registered_groups:
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await hash_check_registered(writer, registered_groups, update_freq=update_freq)
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if unregistered_groups:
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await hash_check_unregistered(writer, unregistered_groups)
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async def download(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup], max_connections: int = 5) -> None:
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"""
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Behavior:
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- get info group, if permanent, download checked with hashes.json
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- if not permanent but has hashes registered, download checked for the registered
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files. Run a recursive http or file download for the others, skipping registered
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files. If file new, add it into hashes (assuming intact).
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- if not permanent and new, run a recursive http or file download for the others.
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If file new, add it into hashes (assuming intact).
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"""
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registered_groups = [file_info_group
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for file_info_group in file_info_groups
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if file_info_group.file_info_list]
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unregistered_groups = [file_info_group
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for file_info_group in file_info_groups
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if not file_info_group.permanent]
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async with httpx.AsyncClient(limits=httpx.Limits(max_connections=max_connections),
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timeout=httpx.Timeout(None)) as client:
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if registered_groups:
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await download_registered(writer, client, registered_groups)
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if unregistered_groups:
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await download_unregistered(writer, client, unregistered_groups)
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async def delete(writer: asyncio.StreamWriter, file_info_groups: List[FileInfoGroup]) -> None:
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"""
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Behavior:
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- get info group, if permanent, erase files listed in hashes.json, and remove dirs
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from the innermost dir to the outermost, checking if they're empty.
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- if not permanent but has hashed registered, tree-remove the local directory, erase
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the entries in hashes.json
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- if not permanent and new, tree-remove the local directory
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"""
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registered_groups = [file_info_group
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for file_info_group in file_info_groups
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if file_info_group.permanent]
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unregistered_groups = [file_info_group
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for file_info_group in file_info_groups
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if not file_info_group.permanent]
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if registered_groups:
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await delete_registered(writer, registered_groups)
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if unregistered_groups:
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await delete_unregistered(writer, unregistered_groups)
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# Main & Helpers
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def swapped_path(local_root: str, user_dir: str, cache_version: str, cache_mode: str) -> Path:
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current_cache = Path(local_root) / 'FusionFall'
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named_cache = Path(local_root) / cache_version
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record_path = Path(user_dir) / '.lastver'
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if (
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cache_mode == 'playable' and
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not named_cache.is_dir() and
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current_cache.is_dir() and
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record_path.is_file() and
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cache_version == record_path.read_text(encoding='utf-8')
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):
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return current_cache
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return named_cache
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def compile_file_lists(args: Namespace) -> List[FileInfoGroup]:
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global hash_dict_updated
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with open(Path(args.user_dir) / 'hashes.json') as r:
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hash_dict.update(json.load(r))
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with open(Path(args.user_dir) / 'versions.json') as r:
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versions = json.load(r)['versions']
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for version in versions:
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if version['name'] not in hash_dict:
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hash_dict[version['name']] = {
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'playable_size': 0,
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'offline_size': 0,
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'playable': {},
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'offline': {},
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}
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hash_dict_updated = True
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cache_modes = ['offline', 'playable'] if args.cache_mode == 'all' else [args.cache_mode]
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cache_versions = list(hash_dict) if args.cache_version == 'all' else [args.cache_version]
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file_info_groups = []
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for cache_version in cache_versions:
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for cache_mode in cache_modes:
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file_info_list = []
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local_root = args.offline_root if cache_mode == 'offline' else args.playable_root
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local_dir = swapped_path(local_root, args.user_dir, cache_version, cache_mode)
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url_dir = args.cdn_root.rstrip('/') + '/' + cache_version.lstrip('/')
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file_info_version = FileInfo(
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version=cache_version,
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mode=cache_mode,
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local_root=local_dir,
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url_root=url_dir,
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current_local_path=local_dir,
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current_url=url_dir,
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sha256='',
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)
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if cache_version not in size_dict:
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size_dict[cache_version] = {}
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size_dict[cache_version][cache_mode] = {
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'intact': 0,
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'altered': 0,
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'total': hash_dict[cache_version][cache_mode + '_size'],
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}
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file_info_list.extend([
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file_info_version.resolve(rel_path, sha256=file_hash)
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for rel_path, file_hash in hash_dict[cache_version][cache_mode].items()
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])
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file_info_groups.append(FileInfoGroup(
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version=cache_version,
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mode=cache_mode,
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permanent=(cache_version in args.permanent_caches),
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local_root=local_dir,
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url_root=url_dir,
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file_info_list=file_info_list,
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))
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return file_info_groups
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async def prep_and_run_coroutine(args: Namespace) -> None:
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file_info_groups = compile_file_lists(args)
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_, writer = await asyncio.open_connection('localhost', args.port)
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coroutines = {
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'hash-check': hash_check,
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'download': download,
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'fix': download,
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'delete': delete,
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}
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await coroutines[args.operation](writer, file_info_groups)
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writer.close()
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await writer.wait_closed()
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|
|
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if hash_dict_updated:
|
|
print('Updated hashes.json!')
|
|
# todo: prettify
|
|
for version_name in hash_dict:
|
|
if version_name not in args.permanent_caches:
|
|
hash_dict[version_name]['playable'] = dict(sorted(hash_dict[version_name]['playable'].items()))
|
|
hash_dict[version_name]['offline'] = dict(sorted(hash_dict[version_name]['offline'].items()))
|
|
with open(Path(args.user_dir) / 'hashes.json', 'w') as w:
|
|
json.dump(hash_dict, w, indent=4)
|
|
|
|
|
|
def parse_args() -> Namespace:
|
|
parser = ArgumentParser('Python executable for tasks relating to OpenFusionClient.')
|
|
parser.add_argument('--operation', type=str, required=True, choices=['hash-check', 'download', 'delete'])
|
|
parser.add_argument('--playable-root', dest='playable_root', type=str)
|
|
parser.add_argument('--offline-root', dest='offline_root', type=str)
|
|
parser.add_argument('--user-dir', dest='user_dir', type=str, required=True)
|
|
parser.add_argument('--cdn-root', dest='cdn_root', type=str, default='http://cdn.dexlabs.systems/ff/big')
|
|
parser.add_argument('--cache-mode', dest='cache_mode', type=str, default='all', choices=['all', 'offline', 'playable'])
|
|
parser.add_argument('--cache-version', dest='cache_version', type=str, default='all')
|
|
parser.add_argument('--port', type=str, required=True)
|
|
parser.add_argument('--permanent-caches', dest='permanent_caches', nargs='*', type=str, default=[])
|
|
return parser.parse_args()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
asyncio.run(prep_and_run_coroutine(parse_args()))
|