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