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     args.vendor_type = get_vendor_type(args)
  39     cfg["waydroid"]["vendor_type"] = args.vendor_type
  40
  41     helpers.drivers.setupBinderNodes(args)
  42     cfg["waydroid"]["binder"] = args.BINDER_DRIVER
  43     cfg["waydroid"]["vndbinder"] = args.VNDBINDER_DRIVER
  44     cfg["waydroid"]["hwbinder"] = args.HWBINDER_DRIVER
  45
  46     has_preinstalled_images = False
  47     preinstalled_images_paths = tools.config.defaults["preinstalled_images_paths"]
  48     for preinstalled_images in preinstalled_images_paths:
  49         if os.path.isdir(preinstalled_images):
  50             if os.path.isfile(preinstalled_images + "/system.img") and os.path.isfile(preinstalled_images + "/vendor.img"):
  51                 has_preinstalled_images = True
  52                 args.images_path = preinstalled_images
  53                 break
  54             else:
  55                 logging.warning("Found directory {} but missing system or vendor image, ignoring...".format(preinstalled_images))
  56
  57     if not args.images_path:
  58         args.images_path = tools.config.defaults["images_path"]
  59     cfg["waydroid"]["images_path"] = args.images_path
  60
  61     if has_preinstalled_images:
  62         cfg["waydroid"]["system_ota"] = args.system_ota = "None"
  63         cfg["waydroid"]["vendor_ota"] = args.vendor_ota = "None"
  64         cfg["waydroid"]["system_datetime"] = tools.config.defaults["system_datetime"]
  65         cfg["waydroid"]["vendor_datetime"] = tools.config.defaults["vendor_datetime"]
  66         tools.config.save(args, cfg)
  67         return True
  68
  69     channels_cfg = tools.config.load_channels()
  70     if not args.system_channel:
  71         args.system_channel = channels_cfg["channels"]["system_channel"]
  72     if not args.vendor_channel:
  73         args.vendor_channel = channels_cfg["channels"]["vendor_channel"]
  74     if not args.rom_type:
  75         args.rom_type = channels_cfg["channels"]["rom_type"]
  76     if not args.system_type:
  77         args.system_type = channels_cfg["channels"]["system_type"]
  78
  79     if not args.system_channel or not args.vendor_channel:
  80         logging.error("ERROR: You must provide 'System OTA' and 'Vendor OTA' URLs.")
  81         return False
  82
  83     args.system_ota = args.system_channel + "/" + args.rom_type + \
  84         "/waydroid_" + args.arch + "/" + args.system_type + ".json"
  85     system_request = helpers.http.retrieve(args.system_ota)
  86     if system_request[0] != 200:
  87         raise ValueError(
  88             "Failed to get system OTA channel: {}, error: {}".format(args.system_ota, system_request[0]))
  89
  90     device_codename = helpers.props.host_get(args, "ro.product.device")
  91     args.vendor_type = None
  92     for vendor in [device_codename, get_vendor_type(args)]:
  93         vendor_ota = args.vendor_channel + "/waydroid_" + \
  94             args.arch + "/" + vendor.replace(" ", "_") + ".json"
  95         vendor_request = helpers.http.retrieve(vendor_ota)
  96         if vendor_request[0] == 200:
  97             args.vendor_type = vendor
  98             args.vendor_ota = vendor_ota
  99             break
 100
 101     if not args.vendor_type:
 102         raise ValueError(
 103             "Failed to get vendor OTA channel: {}".format(vendor_ota))
 104
 105     if args.system_ota != cfg["waydroid"].get("system_ota"):
 106         cfg["waydroid"]["system_datetime"] = tools.config.defaults["system_datetime"]
 107     if args.vendor_ota != cfg["waydroid"].get("vendor_ota"):
 108         cfg["waydroid"]["vendor_datetime"] = tools.config.defaults["vendor_datetime"]
 109
 110     cfg["waydroid"]["vendor_type"] = args.vendor_type
 111     cfg["waydroid"]["system_ota"] = args.system_ota
 112     cfg["waydroid"]["vendor_ota"] = args.vendor_ota
 113     tools.config.save(args, cfg)
 114     return True
 115
 116 def init(args):
 117     if not is_initialized(args) or args.force:
 118         initializer_service = None
 119         try:
 120             initializer_service = tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer")
 121         except dbus.DBusException:
 122             pass
 123         if not setup_config(args):
 124             return
 125         status = "STOPPED"
 126         if os.path.exists(tools.config.defaults["lxc"] + "/waydroid"):
 127             status = helpers.lxc.status(args)
 128         if status != "STOPPED":
 129             logging.info("Stopping container")
 130             try:
 131                 container = tools.helpers.ipc.DBusContainerService()
 132                 args.session = container.GetSession()
 133                 container.Stop(False)
 134             except Exception as e:
 135                 logging.debug(e)
 136                 tools.actions.container_manager.stop(args)
 137         if args.images_path not in tools.config.defaults["preinstalled_images_paths"]:
 138             helpers.images.get(args)
 139         else:
 140             helpers.images.remove_overlay(args)
 141         if not os.path.isdir(tools.config.defaults["rootfs"]):
 142             os.mkdir(tools.config.defaults["rootfs"])
 143         if not os.path.isdir(tools.config.defaults["overlay"]):
 144             os.mkdir(tools.config.defaults["overlay"])
 145             os.mkdir(tools.config.defaults["overlay"]+"/vendor")
 146         if not os.path.isdir(tools.config.defaults["overlay_rw"]):
 147             os.mkdir(tools.config.defaults["overlay_rw"])
 148             os.mkdir(tools.config.defaults["overlay_rw"]+"/system")
 149             os.mkdir(tools.config.defaults["overlay_rw"]+"/vendor")
 150         helpers.drivers.probeAshmemDriver(args)
 151         helpers.lxc.setup_host_perms(args)
 152         helpers.lxc.set_lxc_config(args)
 153         helpers.lxc.make_base_props(args)
 154         if status != "STOPPED":
 155             logging.info("Starting container")
 156             try:
 157                 container.Start(args.session)
 158             except Exception as e:
 159                 logging.debug(e)
 160                 logging.error("Failed to restart container. Please do so manually.")
 161
 162         if "running_init_in_service" not in args or not args.running_init_in_service:
 163             try:
 164                 if initializer_service:
 165                     initializer_service.Done()
 166             except dbus.DBusException:
 167                 pass
 168     else:
 169         logging.info("Already initialized")
 170
 171 def wait_for_init(args):
 172     helpers.ipc.create_channel("remote_init_output")
 173
 174     mainloop = GLib.MainLoop()
 175     dbus_obj = DbusInitializer(mainloop, dbus.SystemBus(), '/Initializer', args)
 176     mainloop.run()
 177
 178     # After init
 179     dbus_obj.remove_from_connection()
 180
 181 class DbusInitializer(dbus.service.Object):
 182     def __init__(self, looper, bus, object_path, args):
 183         self.args = args
 184         self.looper = looper
 185         dbus.service.Object.__init__(self, bus, object_path)
 186
 187     @dbus.service.method("id.waydro.Initializer", in_signature='a{ss}', out_signature='', sender_keyword="sender", connection_keyword="conn")
 188     def Init(self, params, sender=None, conn=None):
 189         channels_cfg = tools.config.load_channels()
 190         no_auth = params["system_channel"] == channels_cfg["channels"]["system_channel"] and \
 191                   params["vendor_channel"] == channels_cfg["channels"]["vendor_channel"]
 192         if no_auth or ensure_polkit_auth(sender, conn, "id.waydro.Initializer.Init"):
 193             threading.Thread(target=remote_init_server, args=(self.args, params)).start()
 194         else:
 195             raise PermissionError("Polkit: Authentication failed")
 196
 197     @dbus.service.method("id.waydro.Initializer", in_signature='', out_signature='')
 198     def Done(self):
 199         if is_initialized(self.args):
 200             self.looper.quit()
 201
 202 def ensure_polkit_auth(sender, conn, privilege):
 203     dbus_info = dbus.Interface(conn.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus/Bus", False), "org.freedesktop.DBus")
 204     pid = dbus_info.GetConnectionUnixProcessID(sender)
 205     polkit = dbus.Interface(dbus.SystemBus().get_object("org.freedesktop.PolicyKit1", "/org/freedesktop/PolicyKit1/Authority", False), "org.freedesktop.PolicyKit1.Authority")
 206     try:
 207         (is_auth, _, _) = polkit.CheckAuthorization(
 208             ("unix-process", {
 209                 "pid": dbus.UInt32(pid, variant_level=1),
 210                 "start-time": dbus.UInt64(0, variant_level=1)}),
 211             privilege, {"AllowUserInteraction": "true"},
 212             dbus.UInt32(1),
 213             "",
 214             timeout=300)
 215         return is_auth
 216     except dbus.DBusException:
 217         raise PermissionError("Polkit: Authentication timed out")
 218
 219 def background_remote_init_process(args):
 220     with helpers.ipc.open_channel("remote_init_output", "wb") as channel_out:
 221         class StdoutRedirect(logging.StreamHandler):
 222             def write(self, s):
 223                 channel_out.write(str.encode(s))
 224             def flush(self):
 225                 pass
 226             def emit(self, record):
 227                 if record.levelno >= logging.INFO:
 228                     self.write(self.format(record) + self.terminator)
 229
 230         out = StdoutRedirect()
 231         sys.stdout = sys.stderr = out
 232         logging.getLogger().addHandler(out)
 233
 234         ctl_queue = queue.Queue()
 235         def try_init(args):
 236             try:
 237                 init(args)
 238             except Exception as e:
 239                 print(str(e))
 240             finally:
 241                 ctl_queue.put(0)
 242
 243         def poll_pipe():
 244             poller = select.poll()
 245             poller.register(channel_out, select.POLLERR)
 246             poller.poll()
 247             # When reaching here the client was terminated
 248             ctl_queue.put(0)
 249
 250         init_thread = threading.Thread(target=try_init, args=(args,))
 251         init_thread.daemon = True
 252         init_thread.start()
 253
 254         poll_thread = threading.Thread(target=poll_pipe)
 255         poll_thread.daemon = True
 256         poll_thread.start()
 257
 258         # Join any one of the two threads
 259         # Then exit the subprocess to kill the remaining thread.
 260         # Can you believe this is the only way to kill a thread in python???
 261         ctl_queue.get()
 262
 263         sys.stdout = sys.__stdout__
 264         sys.stderr = sys.__stderr__
 265         logging.getLogger().removeHandler(out)
 266
 267 def remote_init_server(args, params):
 268     args.force = True
 269     args.images_path = ""
 270     args.rom_type = ""
 271     args.system_channel = params["system_channel"]
 272     args.vendor_channel = params["vendor_channel"]
 273     args.system_type = params["system_type"]
 274     args.running_init_in_service = True
 275
 276     p = multiprocessing.Process(target=background_remote_init_process, args=(args,))
 277     p.daemon = True
 278     p.start()
 279     p.join()
 280
 281 def remote_init_client(args):
 282     # Local imports cause Gtk is intrusive
 283     import gi
 284     gi.require_version("Gtk", "3.0")
 285     from gi.repository import Gtk
 286
 287     bus = dbus.SystemBus()
 288
 289     if is_initialized(args):
 290         try:
 291             tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 292         except dbus.DBusException:
 293             pass
 294         return
 295
 296     def notify_and_quit(caller):
 297         if is_initialized(args):
 298             try:
 299                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 300             except dbus.DBusException:
 301                 pass
 302         GLib.idle_add(Gtk.main_quit)
 303
 304     class WaydroidInitWindow(Gtk.Window):
 305         def __init__(self):
 306             super().__init__(title="Initialize Waydroid")
 307             channels_cfg = tools.config.load_channels()
 308
 309             self.set_default_size(600, 250)
 310             self.set_icon_name("waydroid")
 311
 312             grid = Gtk.Grid(row_spacing=6, column_spacing=6, margin=10, column_homogeneous=True)
 313             grid.set_hexpand(True)
 314             grid.set_vexpand(True)
 315             self.add(grid)
 316
 317             sysOtaLabel = Gtk.Label("System OTA")
 318             sysOtaEntry = Gtk.Entry()
 319             sysOtaEntry.set_text(channels_cfg["channels"]["system_channel"])
 320             grid.attach(sysOtaLabel, 0, 0, 1, 1)
 321             grid.attach_next_to(sysOtaEntry ,sysOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 322             self.sysOta = sysOtaEntry.get_buffer()
 323
 324             vndOtaLabel = Gtk.Label("Vendor OTA")
 325             vndOtaEntry = Gtk.Entry()
 326             vndOtaEntry.set_text(channels_cfg["channels"]["vendor_channel"])
 327             grid.attach(vndOtaLabel, 0, 1, 1, 1)
 328             grid.attach_next_to(vndOtaEntry, vndOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 329             self.vndOta = vndOtaEntry.get_buffer()
 330
 331             sysTypeLabel = Gtk.Label("Android Type")
 332             sysTypeCombo = Gtk.ComboBoxText()
 333             sysTypeCombo.set_entry_text_column(0)
 334             for t in ["VANILLA", "GAPPS"]:
 335                 sysTypeCombo.append_text(t)
 336             sysTypeCombo.set_active(0)
 337             grid.attach(sysTypeLabel, 0, 2, 1, 1)
 338             grid.attach_next_to(sysTypeCombo, sysTypeLabel, Gtk.PositionType.RIGHT, 2, 1)
 339             self.sysType = sysTypeCombo
 340
 341             downloadBtn = Gtk.Button("Download")
 342             downloadBtn.connect("clicked", self.on_download_btn_clicked)
 343             grid.attach(downloadBtn, 1,3,1,1)
 344             self.downloadBtn = downloadBtn
 345
 346             doneBtn = Gtk.Button("Done")
 347             doneBtn.connect("clicked", lambda x: self.destroy())
 348             doneBtn.get_style_context().add_class('suggested-action')
 349             grid.attach_next_to(doneBtn, downloadBtn, Gtk.PositionType.RIGHT, 1, 1)
 350             self.doneBtn = doneBtn
 351
 352             outScrolledWindow = Gtk.ScrolledWindow()
 353             outScrolledWindow.set_hexpand(True)
 354             outScrolledWindow.set_vexpand(True)
 355             outTextView = Gtk.TextView()
 356             outTextView.set_property('editable', False)
 357             outTextView.set_property('cursor-visible', False)
 358             outScrolledWindow.add(outTextView)
 359             grid.attach(outScrolledWindow, 0, 4, 3, 1)
 360             self.outScrolledWindow = outScrolledWindow
 361             self.outTextView = outTextView
 362             self.outBuffer = outTextView.get_buffer()
 363             self.outBuffer.create_mark("end", self.outBuffer.get_end_iter(), False)
 364
 365             self.open_channel = None
 366
 367         def scroll_to_bottom(self):
 368             self.outTextView.scroll_mark_onscreen(self.outBuffer.get_mark("end"))
 369
 370         def on_download_btn_clicked(self, widget):
 371             widget.set_sensitive(False)
 372             self.doneBtn.hide()
 373             self.outTextView.show()
 374             init_params = (self.sysOta.get_text(), self.vndOta.get_text(), self.sysType.get_active_text())
 375             init_runner = threading.Thread(target=self.run_init, args=init_params)
 376             init_runner.daemon = True
 377             init_runner.start()
 378
 379         def run_init(self, systemOta, vendorOta, systemType):
 380             def draw_sync(s):
 381                 if s.startswith('\r'):
 382                     last = self.outBuffer.get_iter_at_line(self.outBuffer.get_line_count()-1)
 383                     last.backward_char()
 384                     self.outBuffer.delete(last, self.outBuffer.get_end_iter())
 385                 self.outBuffer.insert(self.outBuffer.get_end_iter(), s)
 386                 self.scroll_to_bottom()
 387             def draw(s):
 388                 GLib.idle_add(draw_sync, s)
 389
 390             if self.open_channel is not None:
 391                 self.open_channel.close()
 392                 # Wait for other end to reset
 393                 time.sleep(1)
 394
 395             draw("Waiting for waydroid container service...\n")
 396             try:
 397                 params = {
 398                     "system_channel": self.sysOta.get_text(),
 399                     "vendor_channel": self.vndOta.get_text(),
 400                     "system_type": self.sysType.get_active_text()
 401                 }
 402                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Init(params, timeout=310)
 403             except dbus.DBusException as e:
 404                 if e.get_dbus_name() == "org.freedesktop.DBus.Python.PermissionError":
 405                     draw(e.get_dbus_message().splitlines()[-1] + "\n")
 406                 else:
 407                     draw("The waydroid container service is not listening\n")
 408                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 409                 return
 410
 411             with helpers.ipc.open_channel("remote_init_output", "rb") as channel:
 412                 self.open_channel = channel
 413                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 414                 line = ""
 415                 try:
 416                     while True:
 417                         data = channel.read(1)
 418                         if len(data) == 0:
 419                             draw(line)
 420                             break
 421                         c = data.decode()
 422                         if c == '\r':
 423                             draw(line)
 424                             line = c
 425                         else:
 426                             line += c
 427                             if c == '\n':
 428                                 draw(line)
 429                                 line = ""
 430                 except:
 431                     draw("\nInterrupted\n")
 432
 433             if is_initialized(args):
 434                 GLib.idle_add(self.doneBtn.show)
 435                 draw("Done\n")
 436
 437
 438     GLib.set_prgname("Waydroid")
 439     win = WaydroidInitWindow()
 440     win.connect("destroy", notify_and_quit)
 441
 442     win.show_all()
 443     win.outTextView.hide()
 444     win.doneBtn.hide()
 445
 446     Gtk.main()