tools/actions/initializer.py

   1 # Copyright 2021 Erfan Abdi
   2 # SPDX-License-Identifier: GPL-3.0-or-later
   3 import logging
   4 import os
   5 from tools import helpers
   6 import tools.config
   7
   8 import sys
   9 import threading
  10 import multiprocessing
  11 import select
  12 import queue
  13 import time
  14 import dbus
  15 import dbus.service
  16 from gi.repository import GLib
  17
  18 def is_initialized(args):
  19     return os.path.isfile(args.config) and os.path.isdir(tools.config.defaults["rootfs"])
  20
  21 def get_vendor_type(args):
  22     vndk_str = helpers.props.host_get(args, "ro.vndk.version")
  23     ret = "MAINLINE"
  24     if vndk_str != "":
  25         vndk = int(vndk_str)
  26         if vndk > 31:
  27             vndk -= 1 # 12L -> Halium 12
  28         if vndk > 19:
  29             ret = "HALIUM_" + str(vndk - 19)
  30
  31     return ret
  32
  33 def setup_config(args):
  34     cfg = tools.config.load(args)
  35     args.arch = helpers.arch.host()
  36     cfg["waydroid"]["arch"] = args.arch
  37
  38     preinstalled_images_paths = tools.config.defaults["preinstalled_images_paths"]
  39     if not args.images_path:
  40         for preinstalled_images in preinstalled_images_paths:
  41             if os.path.isdir(preinstalled_images):
  42                 if os.path.isfile(preinstalled_images + "/system.img") and os.path.isfile(preinstalled_images + "/vendor.img"):
  43                     args.images_path = preinstalled_images
  44                     break
  45                 else:
  46                     logging.warning("Found directory {} but missing system or vendor image, ignoring...".format(preinstalled_images))
  47
  48     if not args.images_path:
  49         args.images_path = tools.config.defaults["images_path"]
  50     cfg["waydroid"]["images_path"] = args.images_path
  51
  52     channels_cfg = tools.config.load_channels()
  53     if not args.system_channel:
  54         args.system_channel = channels_cfg["channels"]["system_channel"]
  55     if not args.vendor_channel:
  56         args.vendor_channel = channels_cfg["channels"]["vendor_channel"]
  57     if not args.rom_type:
  58         args.rom_type = channels_cfg["channels"]["rom_type"]
  59     if not args.system_type:
  60         args.system_type = channels_cfg["channels"]["system_type"]
  61
  62     if not args.system_channel or not args.vendor_channel:
  63         logging.error("ERROR: You must provide 'System OTA' and 'Vendor OTA' URLs.")
  64         return False
  65
  66     args.system_ota = args.system_channel + "/" + args.rom_type + \
  67         "/waydroid_" + args.arch + "/" + args.system_type + ".json"
  68     system_request = helpers.http.retrieve(args.system_ota)
  69     if system_request[0] != 200:
  70         if args.images_path not in preinstalled_images_paths:
  71             raise ValueError(
  72                 "Failed to get system OTA channel: {}, error: {}".format(args.system_ota, system_request[0]))
  73         else:
  74             args.system_ota = "None"
  75
  76     device_codename = helpers.props.host_get(args, "ro.product.device")
  77     args.vendor_type = None
  78     for vendor in [device_codename, get_vendor_type(args)]:
  79         vendor_ota = args.vendor_channel + "/waydroid_" + \
  80             args.arch + "/" + vendor.replace(" ", "_") + ".json"
  81         vendor_request = helpers.http.retrieve(vendor_ota)
  82         if vendor_request[0] == 200:
  83             args.vendor_type = vendor
  84             args.vendor_ota = vendor_ota
  85             break
  86
  87     if not args.vendor_type:
  88         if args.images_path not in preinstalled_images_paths:
  89             raise ValueError(
  90                 "Failed to get vendor OTA channel: {}".format(vendor_ota))
  91         else:
  92             args.vendor_ota = "None"
  93             args.vendor_type = get_vendor_type(args)
  94
  95     if args.system_ota != cfg["waydroid"].get("system_ota"):
  96         cfg["waydroid"]["system_datetime"] = tools.config.defaults["system_datetime"]
  97     if args.vendor_ota != cfg["waydroid"].get("vendor_ota"):
  98         cfg["waydroid"]["vendor_datetime"] = tools.config.defaults["vendor_datetime"]
  99
 100     cfg["waydroid"]["vendor_type"] = args.vendor_type
 101     cfg["waydroid"]["system_ota"] = args.system_ota
 102     cfg["waydroid"]["vendor_ota"] = args.vendor_ota
 103     helpers.drivers.setupBinderNodes(args)
 104     cfg["waydroid"]["binder"] = args.BINDER_DRIVER
 105     cfg["waydroid"]["vndbinder"] = args.VNDBINDER_DRIVER
 106     cfg["waydroid"]["hwbinder"] = args.HWBINDER_DRIVER
 107     tools.config.save(args, cfg)
 108     return True
 109
 110 def init(args):
 111     if not is_initialized(args) or args.force:
 112         initializer_service = None
 113         try:
 114             initializer_service = tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer")
 115         except dbus.DBusException:
 116             pass
 117         if not setup_config(args):
 118             return
 119         status = "STOPPED"
 120         if os.path.exists(tools.config.defaults["lxc"] + "/waydroid"):
 121             status = helpers.lxc.status(args)
 122         if status != "STOPPED":
 123             logging.info("Stopping container")
 124             try:
 125                 container = tools.helpers.ipc.DBusContainerService()
 126                 args.session = container.GetSession()
 127                 container.Stop(False)
 128             except Exception as e:
 129                 logging.debug(e)
 130                 tools.actions.container_manager.stop(args)
 131         if args.images_path not in tools.config.defaults["preinstalled_images_paths"]:
 132             helpers.images.get(args)
 133         else:
 134             helpers.images.remove_overlay(args)
 135         if not os.path.isdir(tools.config.defaults["rootfs"]):
 136             os.mkdir(tools.config.defaults["rootfs"])
 137         if not os.path.isdir(tools.config.defaults["overlay"]):
 138             os.mkdir(tools.config.defaults["overlay"])
 139             os.mkdir(tools.config.defaults["overlay"]+"/vendor")
 140         if not os.path.isdir(tools.config.defaults["overlay_rw"]):
 141             os.mkdir(tools.config.defaults["overlay_rw"])
 142             os.mkdir(tools.config.defaults["overlay_rw"]+"/system")
 143             os.mkdir(tools.config.defaults["overlay_rw"]+"/vendor")
 144         helpers.drivers.probeAshmemDriver(args)
 145         helpers.lxc.setup_host_perms(args)
 146         helpers.lxc.set_lxc_config(args)
 147         helpers.lxc.make_base_props(args)
 148         if status != "STOPPED":
 149             logging.info("Starting container")
 150             try:
 151                 container.Start(args.session)
 152             except Exception as e:
 153                 logging.debug(e)
 154                 logging.error("Failed to restart container. Please do so manually.")
 155
 156         if "running_init_in_service" not in args or not args.running_init_in_service:
 157             try:
 158                 if initializer_service:
 159                     initializer_service.Done()
 160             except dbus.DBusException:
 161                 pass
 162     else:
 163         logging.info("Already initialized")
 164
 165 def wait_for_init(args):
 166     helpers.ipc.create_channel("remote_init_output")
 167
 168     mainloop = GLib.MainLoop()
 169     dbus_obj = DbusInitializer(mainloop, dbus.SystemBus(), '/Initializer', args)
 170     mainloop.run()
 171
 172     # After init
 173     dbus_obj.remove_from_connection()
 174
 175 class DbusInitializer(dbus.service.Object):
 176     def __init__(self, looper, bus, object_path, args):
 177         self.args = args
 178         self.looper = looper
 179         dbus.service.Object.__init__(self, bus, object_path)
 180
 181     @dbus.service.method("id.waydro.Initializer", in_signature='a{ss}', out_signature='', sender_keyword="sender", connection_keyword="conn")
 182     def Init(self, params, sender=None, conn=None):
 183         channels_cfg = tools.config.load_channels()
 184         no_auth = params["system_channel"] == channels_cfg["channels"]["system_channel"] and \
 185                   params["vendor_channel"] == channels_cfg["channels"]["vendor_channel"]
 186         if no_auth or ensure_polkit_auth(sender, conn, "id.waydro.Initializer.Init"):
 187             threading.Thread(target=remote_init_server, args=(self.args, params)).start()
 188         else:
 189             raise PermissionError("Polkit: Authentication failed")
 190
 191     @dbus.service.method("id.waydro.Initializer", in_signature='', out_signature='')
 192     def Done(self):
 193         if is_initialized(self.args):
 194             self.looper.quit()
 195
 196 def ensure_polkit_auth(sender, conn, privilege):
 197     dbus_info = dbus.Interface(conn.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus/Bus", False), "org.freedesktop.DBus")
 198     pid = dbus_info.GetConnectionUnixProcessID(sender)
 199     polkit = dbus.Interface(dbus.SystemBus().get_object("org.freedesktop.PolicyKit1", "/org/freedesktop/PolicyKit1/Authority", False), "org.freedesktop.PolicyKit1.Authority")
 200     try:
 201         (is_auth, _, _) = polkit.CheckAuthorization(
 202             ("unix-process", {
 203                 "pid": dbus.UInt32(pid, variant_level=1),
 204                 "start-time": dbus.UInt64(0, variant_level=1)}),
 205             privilege, {"AllowUserInteraction": "true"},
 206             dbus.UInt32(1),
 207             "",
 208             timeout=300)
 209         return is_auth
 210     except dbus.DBusException:
 211         raise PermissionError("Polkit: Authentication timed out")
 212
 213 def background_remote_init_process(args):
 214     with helpers.ipc.open_channel("remote_init_output", "wb") as channel_out:
 215         class StdoutRedirect(logging.StreamHandler):
 216             def write(self, s):
 217                 channel_out.write(str.encode(s))
 218             def flush(self):
 219                 pass
 220             def emit(self, record):
 221                 if record.levelno >= logging.INFO:
 222                     self.write(self.format(record) + self.terminator)
 223
 224         out = StdoutRedirect()
 225         sys.stdout = sys.stderr = out
 226         logging.getLogger().addHandler(out)
 227
 228         ctl_queue = queue.Queue()
 229         def try_init(args):
 230             try:
 231                 init(args)
 232             except Exception as e:
 233                 print(str(e))
 234             finally:
 235                 ctl_queue.put(0)
 236
 237         def poll_pipe():
 238             poller = select.poll()
 239             poller.register(channel_out, select.POLLERR)
 240             poller.poll()
 241             # When reaching here the client was terminated
 242             ctl_queue.put(0)
 243
 244         init_thread = threading.Thread(target=try_init, args=(args,))
 245         init_thread.daemon = True
 246         init_thread.start()
 247
 248         poll_thread = threading.Thread(target=poll_pipe)
 249         poll_thread.daemon = True
 250         poll_thread.start()
 251
 252         # Join any one of the two threads
 253         # Then exit the subprocess to kill the remaining thread.
 254         # Can you believe this is the only way to kill a thread in python???
 255         ctl_queue.get()
 256
 257         sys.stdout = sys.__stdout__
 258         sys.stderr = sys.__stderr__
 259         logging.getLogger().removeHandler(out)
 260
 261 def remote_init_server(args, params):
 262     args.force = True
 263     args.images_path = ""
 264     args.rom_type = ""
 265     args.system_channel = params["system_channel"]
 266     args.vendor_channel = params["vendor_channel"]
 267     args.system_type = params["system_type"]
 268     args.running_init_in_service = True
 269
 270     p = multiprocessing.Process(target=background_remote_init_process, args=(args,))
 271     p.daemon = True
 272     p.start()
 273     p.join()
 274
 275 def remote_init_client(args):
 276     # Local imports cause Gtk is intrusive
 277     import gi
 278     gi.require_version("Gtk", "3.0")
 279     from gi.repository import Gtk
 280
 281     bus = dbus.SystemBus()
 282
 283     if is_initialized(args):
 284         try:
 285             tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 286         except dbus.DBusException:
 287             pass
 288         return
 289
 290     def notify_and_quit(caller):
 291         if is_initialized(args):
 292             try:
 293                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 294             except dbus.DBusException:
 295                 pass
 296         GLib.idle_add(Gtk.main_quit)
 297
 298     class WaydroidInitWindow(Gtk.Window):
 299         def __init__(self):
 300             super().__init__(title="Initialize Waydroid")
 301             channels_cfg = tools.config.load_channels()
 302
 303             self.set_default_size(600, 250)
 304             self.set_icon_name("waydroid")
 305
 306             grid = Gtk.Grid(row_spacing=6, column_spacing=6, margin=10, column_homogeneous=True)
 307             grid.set_hexpand(True)
 308             grid.set_vexpand(True)
 309             self.add(grid)
 310
 311             sysOtaLabel = Gtk.Label("System OTA")
 312             sysOtaEntry = Gtk.Entry()
 313             sysOtaEntry.set_text(channels_cfg["channels"]["system_channel"])
 314             grid.attach(sysOtaLabel, 0, 0, 1, 1)
 315             grid.attach_next_to(sysOtaEntry ,sysOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 316             self.sysOta = sysOtaEntry.get_buffer()
 317
 318             vndOtaLabel = Gtk.Label("Vendor OTA")
 319             vndOtaEntry = Gtk.Entry()
 320             vndOtaEntry.set_text(channels_cfg["channels"]["vendor_channel"])
 321             grid.attach(vndOtaLabel, 0, 1, 1, 1)
 322             grid.attach_next_to(vndOtaEntry, vndOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 323             self.vndOta = vndOtaEntry.get_buffer()
 324
 325             sysTypeLabel = Gtk.Label("Android Type")
 326             sysTypeCombo = Gtk.ComboBoxText()
 327             sysTypeCombo.set_entry_text_column(0)
 328             for t in ["VANILLA", "GAPPS"]:
 329                 sysTypeCombo.append_text(t)
 330             sysTypeCombo.set_active(0)
 331             grid.attach(sysTypeLabel, 0, 2, 1, 1)
 332             grid.attach_next_to(sysTypeCombo, sysTypeLabel, Gtk.PositionType.RIGHT, 2, 1)
 333             self.sysType = sysTypeCombo
 334
 335             downloadBtn = Gtk.Button("Download")
 336             downloadBtn.connect("clicked", self.on_download_btn_clicked)
 337             grid.attach(downloadBtn, 1,3,1,1)
 338             self.downloadBtn = downloadBtn
 339
 340             doneBtn = Gtk.Button("Done")
 341             doneBtn.connect("clicked", lambda x: self.destroy())
 342             doneBtn.get_style_context().add_class('suggested-action')
 343             grid.attach_next_to(doneBtn, downloadBtn, Gtk.PositionType.RIGHT, 1, 1)
 344             self.doneBtn = doneBtn
 345
 346             outScrolledWindow = Gtk.ScrolledWindow()
 347             outScrolledWindow.set_hexpand(True)
 348             outScrolledWindow.set_vexpand(True)
 349             outTextView = Gtk.TextView()
 350             outTextView.set_property('editable', False)
 351             outTextView.set_property('cursor-visible', False)
 352             outScrolledWindow.add(outTextView)
 353             grid.attach(outScrolledWindow, 0, 4, 3, 1)
 354             self.outScrolledWindow = outScrolledWindow
 355             self.outTextView = outTextView
 356             self.outBuffer = outTextView.get_buffer()
 357             self.outBuffer.create_mark("end", self.outBuffer.get_end_iter(), False)
 358
 359             self.open_channel = None
 360
 361         def scroll_to_bottom(self):
 362             self.outTextView.scroll_mark_onscreen(self.outBuffer.get_mark("end"))
 363
 364         def on_download_btn_clicked(self, widget):
 365             widget.set_sensitive(False)
 366             self.doneBtn.hide()
 367             self.outTextView.show()
 368             init_params = (self.sysOta.get_text(), self.vndOta.get_text(), self.sysType.get_active_text())
 369             init_runner = threading.Thread(target=self.run_init, args=init_params)
 370             init_runner.daemon = True
 371             init_runner.start()
 372
 373         def run_init(self, systemOta, vendorOta, systemType):
 374             def draw_sync(s):
 375                 if s.startswith('\r'):
 376                     last = self.outBuffer.get_iter_at_line(self.outBuffer.get_line_count()-1)
 377                     last.backward_char()
 378                     self.outBuffer.delete(last, self.outBuffer.get_end_iter())
 379                 self.outBuffer.insert(self.outBuffer.get_end_iter(), s)
 380                 self.scroll_to_bottom()
 381             def draw(s):
 382                 GLib.idle_add(draw_sync, s)
 383
 384             if self.open_channel is not None:
 385                 self.open_channel.close()
 386                 # Wait for other end to reset
 387                 time.sleep(1)
 388
 389             draw("Waiting for waydroid container service...\n")
 390             try:
 391                 params = {
 392                     "system_channel": self.sysOta.get_text(),
 393                     "vendor_channel": self.vndOta.get_text(),
 394                     "system_type": self.sysType.get_active_text()
 395                 }
 396                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Init(params, timeout=310)
 397             except dbus.DBusException as e:
 398                 if e.get_dbus_name() == "org.freedesktop.DBus.Python.PermissionError":
 399                     draw(e.get_dbus_message().splitlines()[-1] + "\n")
 400                 else:
 401                     draw("The waydroid container service is not listening\n")
 402                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 403                 return
 404
 405             with helpers.ipc.open_channel("remote_init_output", "rb") as channel:
 406                 self.open_channel = channel
 407                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 408                 line = ""
 409                 try:
 410                     while True:
 411                         data = channel.read(1)
 412                         if len(data) == 0:
 413                             draw(line)
 414                             break
 415                         c = data.decode()
 416                         if c == '\r':
 417                             draw(line)
 418                             line = c
 419                         else:
 420                             line += c
 421                             if c == '\n':
 422                                 draw(line)
 423                                 line = ""
 424                 except:
 425                     draw("\nInterrupted\n")
 426
 427             if is_initialized(args):
 428                 GLib.idle_add(self.doneBtn.show)
 429                 draw("Done\n")
 430
 431
 432     GLib.set_prgname("Waydroid")
 433     win = WaydroidInitWindow()
 434     win.connect("destroy", notify_and_quit)
 435
 436     win.show_all()
 437     win.outTextView.hide()
 438     win.doneBtn.hide()
 439
 440     Gtk.main()