mirror of
https://github.com/SteamDeckHomebrew/decky-loader.git
synced 2026-06-17 00:37:49 +00:00
Sky Leite
242 lines
9.4 KiB
Python
242 lines
9.4 KiB
Python
# Full imports
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import json
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# import pprint
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# from pprint import pformat
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# Partial imports
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from aiohttp import ClientSession
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from asyncio import sleep
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from hashlib import sha256
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from io import BytesIO
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from logging import getLogger
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from os import R_OK, W_OK, path, listdir, access, mkdir
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from shutil import rmtree
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from subprocess import call
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from time import time
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from zipfile import ZipFile
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# Local modules
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from helpers import (
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get_ssl_context,
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get_user,
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get_user_group,
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download_remote_binary_to_path,
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)
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from injector import get_gamepadui_tab
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logger = getLogger("Browser")
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class PluginInstallContext:
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def __init__(self, artifact, name, version, hash) -> None:
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self.artifact = artifact
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self.name = name
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self.version = version
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self.hash = hash
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class PluginBrowser:
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def __init__(self, plugin_path, plugins, loader) -> None:
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self.plugin_path = plugin_path
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self.plugins = plugins
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self.loader = loader
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self.install_requests = {}
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def _unzip_to_plugin_dir(self, zip, name, hash):
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zip_hash = sha256(zip.getbuffer()).hexdigest()
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if hash and (zip_hash != hash):
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return False
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zip_file = ZipFile(zip)
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zip_file.extractall(self.plugin_path)
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plugin_dir = self.find_plugin_folder(name)
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code_chown = call(
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["chown", "-R", get_user() + ":" + get_user_group(), plugin_dir]
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)
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code_chmod = call(["chmod", "-R", "555", plugin_dir])
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if code_chown != 0 or code_chmod != 0:
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logger.error(
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f"chown/chmod exited with a non-zero exit code (chown: {code_chown},"
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f" chmod: {code_chmod})"
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)
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return False
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return True
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async def _download_remote_binaries_for_plugin_with_name(self, pluginBasePath):
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rv = False
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try:
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packageJsonPath = path.join(pluginBasePath, "package.json")
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pluginBinPath = path.join(pluginBasePath, "bin")
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if access(packageJsonPath, R_OK):
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with open(packageJsonPath, "r", encoding="utf-8") as f:
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packageJson = json.load(f)
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if (
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"remote_binary" in packageJson
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and len(packageJson["remote_binary"]) > 0
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):
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# create bin directory if needed.
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call(["chmod", "-R", "777", pluginBasePath])
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if access(pluginBasePath, W_OK):
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if not path.exists(pluginBinPath):
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mkdir(pluginBinPath)
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if not access(pluginBinPath, W_OK):
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call(["chmod", "-R", "777", pluginBinPath])
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rv = True
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for remoteBinary in packageJson["remote_binary"]:
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# Required Fields. If any Remote Binary is missing these fail the install.
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binName = remoteBinary["name"]
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binURL = remoteBinary["url"]
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binHash = remoteBinary["sha256hash"]
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if not await download_remote_binary_to_path(
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binURL, binHash, path.join(pluginBinPath, binName)
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):
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rv = False
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raise Exception(
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"Error Downloading Remote Binary"
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f" {binName}@{binURL} with hash {binHash} to"
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f" {path.join(pluginBinPath, binName)}"
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)
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call(
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[
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"chown",
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"-R",
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get_user() + ":" + get_user_group(),
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self.plugin_path,
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]
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)
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call(["chmod", "-R", "555", pluginBasePath])
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else:
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rv = True
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logger.debug("No Remote Binaries to Download")
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except Exception as e:
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rv = False
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logger.debug(str(e))
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return rv
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def find_plugin_folder(self, name):
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for folder in listdir(self.plugin_path):
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try:
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with open(
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path.join(self.plugin_path, folder, "plugin.json"),
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"r",
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encoding="utf-8",
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) as f:
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plugin = json.load(f)
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if plugin["name"] == name:
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return str(path.join(self.plugin_path, folder))
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except Exception:
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logger.debug(f"skipping {folder}")
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async def uninstall_plugin(self, name):
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if self.loader.watcher:
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self.loader.watcher.disabled = True
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tab = await get_gamepadui_tab()
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try:
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logger.info("uninstalling " + name)
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logger.info(" at dir " + self.find_plugin_folder(name))
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logger.debug("calling frontend unload for %s" % str(name))
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res = await tab.evaluate_js(f"DeckyPluginLoader.unloadPlugin('{name}')")
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logger.debug("result of unload from UI: %s", res)
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# plugins_snapshot = self.plugins.copy()
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# snapshot_string = pformat(plugins_snapshot)
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# logger.debug("current plugins: %s", snapshot_string)
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if self.plugins[name]:
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logger.debug("Plugin %s was found", name)
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self.plugins[name].stop()
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logger.debug("Plugin %s was stopped", name)
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del self.plugins[name]
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logger.debug("Plugin %s was removed from the dictionary", name)
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logger.debug("removing files %s" % str(name))
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rmtree(self.find_plugin_folder(name))
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except FileNotFoundError:
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logger.warning(f"Plugin {name} not installed, skipping uninstallation")
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except Exception as e:
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logger.error(
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f"Plugin {name} in {self.find_plugin_folder(name)} was not uninstalled"
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)
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logger.error("Error at %s", exc_info=e)
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if self.loader.watcher:
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self.loader.watcher.disabled = False
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async def _install(self, artifact, name, version, hash):
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isInstalled = False
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if self.loader.watcher:
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self.loader.watcher.disabled = True
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try:
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pluginFolderPath = self.find_plugin_folder(name)
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if pluginFolderPath:
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isInstalled = True
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except Exception:
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logger.error(
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f"Failed to determine if {name} is already installed, continuing"
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" anyway."
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)
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logger.info(f"Installing {name} (Version: {version})")
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async with ClientSession() as client:
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logger.debug(f"Fetching {artifact}")
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res = await client.get(artifact, ssl=get_ssl_context())
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if res.status == 200:
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logger.debug("Got 200. Reading...")
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data = await res.read()
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logger.debug(f"Read {len(data)} bytes")
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res_zip = BytesIO(data)
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if isInstalled:
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try:
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logger.debug("Uninstalling existing plugin...")
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await self.uninstall_plugin(name)
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except Exception:
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logger.error(f"Plugin {name} could not be uninstalled.")
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logger.debug("Unzipping...")
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ret = self._unzip_to_plugin_dir(res_zip, name, hash)
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if ret:
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plugin_dir = self.find_plugin_folder(name)
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ret = await self._download_remote_binaries_for_plugin_with_name(
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plugin_dir
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)
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if ret:
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logger.info(f"Installed {name} (Version: {version})")
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if name in self.loader.plugins:
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self.loader.plugins[name].stop()
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self.loader.plugins.pop(name, None)
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await sleep(1)
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self.loader.import_plugin(
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path.join(plugin_dir, "main.py"), plugin_dir
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)
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else:
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logger.fatal("Failed Downloading Remote Binaries")
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else:
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self.log.fatal(f"SHA-256 Mismatch!!!! {name} (Version: {version})")
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if self.loader.watcher:
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self.loader.watcher.disabled = False
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else:
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logger.fatal(f"Could not fetch from URL. {await res.text()}")
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async def request_plugin_install(self, artifact, name, version, hash):
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request_id = str(time())
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self.install_requests[request_id] = PluginInstallContext(
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artifact, name, version, hash
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)
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tab = await get_gamepadui_tab()
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await tab.open_websocket()
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await tab.evaluate_js(
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f"DeckyPluginLoader.addPluginInstallPrompt('{name}', '{version}',"
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f" '{request_id}', '{hash}')"
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)
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async def confirm_plugin_install(self, request_id):
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request = self.install_requests.pop(request_id)
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await self._install(
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request.artifact, request.name, request.version, request.hash
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)
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def cancel_plugin_install(self, request_id):
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self.install_requests.pop(request_id)
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