Mercurial > libervia-backend
view sat/plugins/plugin_misc_android.py @ 3500:73b8a8d938be
plugin XEP-0329: check files conflict also for root files
author | Goffi <goffi@goffi.org> |
---|---|
date | Fri, 16 Apr 2021 18:32:40 +0200 |
parents | 7550ae9cfbac |
children | 3910ad643e9d |
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#!/usr/bin/env python3 # SAT plugin for file tansfer # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import sys import os import os.path import json from pathlib import Path from zope.interface import implementer from twisted.names import client as dns_client from twisted.python.procutils import which from twisted.internet import defer from twisted.internet import reactor from twisted.internet import protocol from twisted.internet import abstract from twisted.internet import error as int_error from twisted.internet import _sslverify from sat.core.i18n import _, D_ from sat.core.constants import Const as C from sat.core.log import getLogger from sat.core import exceptions from sat.tools.common import async_process from sat.memory import params log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "Android", C.PI_IMPORT_NAME: "android", C.PI_TYPE: C.PLUG_TYPE_MISC, C.PI_RECOMMENDATIONS: ["XEP-0352"], C.PI_MAIN: "AndroidPlugin", C.PI_HANDLER: "no", C.PI_DESCRIPTION: D_( """Manage Android platform specificities, like pause or notifications""" ), } if sys.platform != "android": raise exceptions.CancelError("this module is not needed on this platform") import re import certifi from plyer import vibrator from android import api_version from plyer.platforms.android import activity from plyer.platforms.android.notification import AndroidNotification from jnius import autoclass from android.broadcast import BroadcastReceiver from android import python_act Context = autoclass('android.content.Context') ConnectivityManager = autoclass('android.net.ConnectivityManager') MediaPlayer = autoclass('android.media.MediaPlayer') AudioManager = autoclass('android.media.AudioManager') # notifications AndroidString = autoclass('java.lang.String') PendingIntent = autoclass('android.app.PendingIntent') Intent = autoclass('android.content.Intent') # DNS # regex to find dns server prop with "getprop" RE_DNS = re.compile(r"^\[net\.[a-z0-9]+\.dns[0-4]\]: \[(.*)\]$", re.MULTILINE) SystemProperties = autoclass('android.os.SystemProperties') #: delay between a pause event and sending the inactive indication to server, in seconds #: we don't send the indication immediately because user can be just checking something #: quickly on an other app. CSI_DELAY = 30 PARAM_RING_CATEGORY = "Notifications" PARAM_RING_NAME = "sound" PARAM_RING_LABEL = D_("sound on notifications") RING_OPTS = { "normal": D_("Normal"), "never": D_("Never"), } PARAM_VIBRATE_CATEGORY = "Notifications" PARAM_VIBRATE_NAME = "vibrate" PARAM_VIBRATE_LABEL = D_("Vibrate on notifications") VIBRATION_OPTS = { "always": D_("Always"), "vibrate": D_("In vibrate mode"), "never": D_("Never"), } SOCKET_DIR = "/data/data/org.libervia.cagou/" SOCKET_FILE = ".socket" STATE_RUNNING = b"running" STATE_PAUSED = b"paused" STATE_STOPPED = b"stopped" STATES = (STATE_RUNNING, STATE_PAUSED, STATE_STOPPED) NET_TYPE_NONE = "no network" NET_TYPE_WIFI = "wifi" NET_TYPE_MOBILE = "mobile" NET_TYPE_OTHER = "other" INTENT_EXTRA_ACTION = AndroidString("org.salut-a-toi.IntentAction") @implementer(_sslverify.IOpenSSLTrustRoot) class AndroidTrustPaths: def _addCACertsToContext(self, context): # twisted doesn't have access to Android root certificates # we use certifi to work around that (same thing is done in Kivy) context.load_verify_locations(certifi.where()) def platformTrust(): return AndroidTrustPaths() class Notification(AndroidNotification): # We extend plyer's AndroidNotification instead of creating directly with jnius # because it already handles issues like backward compatibility, and we just want to # slightly modify the behaviour. @staticmethod def _set_open_behavior(notification, sat_action): # we reproduce plyer's AndroidNotification._set_open_behavior # bu we add SàT specific extra action data app_context = activity.getApplication().getApplicationContext() notification_intent = Intent(app_context, python_act) notification_intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP) notification_intent.setAction(Intent.ACTION_MAIN) notification_intent.addCategory(Intent.CATEGORY_LAUNCHER) if sat_action is not None: action_data = AndroidString(json.dumps(sat_action).encode()) log.debug(f"adding extra {INTENT_EXTRA_ACTION} ==> {action_data}") notification_intent = notification_intent.putExtra( INTENT_EXTRA_ACTION, action_data) # we use PendingIntent.FLAG_UPDATE_CURRENT here, otherwise extra won't be set # in the new intent (the old ACTION_MAIN intent will be reused). This differs # from plyers original behaviour which set no flag here pending_intent = PendingIntent.getActivity( app_context, 0, notification_intent, PendingIntent.FLAG_UPDATE_CURRENT ) notification.setContentIntent(pending_intent) notification.setAutoCancel(True) def _notify(self, **kwargs): # we reproduce plyer's AndroidNotification._notify behaviour here # and we add handling of "sat_action" attribute (SàT specific). # we also set, where suitable, default values to empty string instead of # original None, as a string is expected (in plyer the empty string is used # in the generic "notify" method). sat_action = kwargs.pop("sat_action", None) noti = None message = kwargs.get('message', '').encode('utf-8') ticker = kwargs.get('ticker', '').encode('utf-8') title = AndroidString( kwargs.get('title', '').encode('utf-8') ) icon = kwargs.get('app_icon', '') if kwargs.get('toast', False): self._toast(message) return else: noti = self._build_notification(title) noti.setContentTitle(title) noti.setContentText(AndroidString(message)) noti.setTicker(AndroidString(ticker)) self._set_icons(noti, icon=icon) self._set_open_behavior(noti, sat_action) self._open_notification(noti) class FrontendStateProtocol(protocol.Protocol): def __init__(self, android_plugin): self.android_plugin = android_plugin def dataReceived(self, data): if data in STATES: self.android_plugin.state = data else: log.warning("Unexpected data: {data}".format(data=data)) class FrontendStateFactory(protocol.Factory): def __init__(self, android_plugin): self.android_plugin = android_plugin def buildProtocol(self, addr): return FrontendStateProtocol(self.android_plugin) class AndroidPlugin(object): params = """ <params> <individual> <category name="{category_name}" label="{category_label}"> <param name="{ring_param_name}" label="{ring_param_label}" type="list" security="0"> {ring_options} </param> <param name="{vibrate_param_name}" label="{vibrate_param_label}" type="list" security="0"> {vibrate_options} </param> </category> </individual> </params> """.format( category_name=PARAM_VIBRATE_CATEGORY, category_label=D_(PARAM_VIBRATE_CATEGORY), vibrate_param_name=PARAM_VIBRATE_NAME, vibrate_param_label=PARAM_VIBRATE_LABEL, vibrate_options=params.makeOptions(VIBRATION_OPTS, "always"), ring_param_name=PARAM_RING_NAME, ring_param_label=PARAM_RING_LABEL, ring_options=params.makeOptions(RING_OPTS, "normal"), ) def __init__(self, host): log.info(_("plugin Android initialization")) log.info(f"using Android API {api_version}") self.host = host self._csi = host.plugins.get('XEP-0352') self._csi_timer = None host.memory.updateParams(self.params) try: os.mkdir(SOCKET_DIR, 0o700) except OSError as e: if e.errno == 17: # dir already exists pass else: raise e self._state = None factory = FrontendStateFactory(self) socket_path = os.path.join(SOCKET_DIR, SOCKET_FILE) try: reactor.listenUNIX(socket_path, factory) except int_error.CannotListenError as e: if e.socketError.errno == 98: # the address is already in use, we need to remove it os.unlink(socket_path) reactor.listenUNIX(socket_path, factory) else: raise e # we set a low priority because we want the notification to be sent after all # plugins have done their job host.trigger.add("messageReceived", self.messageReceivedTrigger, priority=-1000) # profiles autoconnection host.bridge.addMethod( "profileAutoconnectGet", ".plugin", in_sign="", out_sign="s", method=self._profileAutoconnectGet, async_=True, ) # audio manager, to get ring status self.am = activity.getSystemService(Context.AUDIO_SERVICE) # sound notification media_dir = Path(host.memory.getConfig("", "media_dir")) assert media_dir is not None notif_path = media_dir / "sounds" / "notifications" / "music-box.mp3" self.notif_player = MediaPlayer() self.notif_player.setDataSource(str(notif_path)) self.notif_player.setAudioStreamType(AudioManager.STREAM_NOTIFICATION) self.notif_player.prepare() # SSL fix _sslverify.platformTrust = platformTrust log.info("SSL Android patch applied") # DNS fix defer.ensureDeferred(self.updateResolver()) # Connectivity handling self.cm = activity.getSystemService(Context.CONNECTIVITY_SERVICE) self._net_type = None d = defer.ensureDeferred(self._checkConnectivity()) d.addErrback(host.logErrback) # XXX: we need to keep a reference to BroadcastReceiver to avoid # "XXX has no attribute 'invoke'" error (looks like the same issue as # https://github.com/kivy/pyjnius/issues/59) self.br = BroadcastReceiver( callback=lambda *args, **kwargs: reactor.callLater(0, self.onConnectivityChange), actions=["android.net.conn.CONNECTIVITY_CHANGE"]) self.br.start() @property def state(self): return self._state @state.setter def state(self, new_state): log.debug(f"frontend state has changed: {new_state.decode()}") previous_state = self._state self._state = new_state if new_state == STATE_RUNNING: self._onRunning(previous_state) elif new_state == STATE_PAUSED: self._onPaused(previous_state) elif new_state == STATE_STOPPED: self._onStopped(previous_state) @property def cagou_active(self): return self._state == STATE_RUNNING def _onRunning(self, previous_state): if previous_state is not None: self.host.bridge.bridgeReactivateSignals() self.setActive() def _onPaused(self, previous_state): self.host.bridge.bridgeDeactivateSignals() self.setInactive() def _onStopped(self, previous_state): self.setInactive() def _notifyMessage(self, mess_data, client): """Send notification when suitable notification is sent if: - there is a message and it is not a groupchat - message is not coming from ourself """ if (mess_data["message"] and mess_data["type"] != C.MESS_TYPE_GROUPCHAT and not mess_data["from"].userhostJID() == client.jid.userhostJID()): message = next(iter(mess_data["message"].values())) try: subject = next(iter(mess_data["subject"].values())) except StopIteration: subject = D_("new message from {contact}").format( contact = mess_data['from']) notification = Notification() notification._notify( title=subject, message=message, sat_action={ "type": "open", "widget": "chat", "target": mess_data["from"].userhost(), }, ) ringer_mode = self.am.getRingerMode() vibrate_mode = ringer_mode == AudioManager.RINGER_MODE_VIBRATE ring_setting = self.host.memory.getParamA( PARAM_RING_NAME, PARAM_RING_CATEGORY, profile_key=client.profile ) if ring_setting != 'never' and ringer_mode == AudioManager.RINGER_MODE_NORMAL: self.notif_player.start() vibration_setting = self.host.memory.getParamA( PARAM_VIBRATE_NAME, PARAM_VIBRATE_CATEGORY, profile_key=client.profile ) if (vibration_setting == 'always' or vibration_setting == 'vibrate' and vibrate_mode): try: vibrator.vibrate() except Exception as e: log.warning("Can't use vibrator: {e}".format(e=e)) return mess_data def messageReceivedTrigger(self, client, message_elt, post_treat): if not self.cagou_active: # we only send notification is the frontend is not displayed post_treat.addCallback(self._notifyMessage, client) return True # Profile autoconnection def _profileAutoconnectGet(self): return defer.ensureDeferred(self.profileAutoconnectGet()) async def _getProfilesAutoconnect(self): autoconnect_dict = await self.host.memory.storage.getIndParamValues( category='Connection', name='autoconnect_backend', ) return [p for p, v in autoconnect_dict.items() if C.bool(v)] async def profileAutoconnectGet(self): """Return profile to connect automatically by frontend, if any""" profiles_autoconnect = await self._getProfilesAutoconnect() if not profiles_autoconnect: return None if len(profiles_autoconnect) > 1: log.warning( f"More that one profiles with backend autoconnection set found, picking " f"up first one (full list: {profiles_autoconnect!r})") return profiles_autoconnect[0] # CSI def _setInactive(self): self._csi_timer = None for client in self.host.getClients(C.PROF_KEY_ALL): self._csi.setInactive(client) def setInactive(self): if self._csi is None or self._csi_timer is not None: return self._csi_timer = reactor.callLater(CSI_DELAY, self._setInactive) def setActive(self): if self._csi is None: return if self._csi_timer is not None: self._csi_timer.cancel() self._csi_timer = None for client in self.host.getClients(C.PROF_KEY_ALL): self._csi.setActive(client) # Connectivity async def _handleNetworkChange(self, net_type): """Notify the clients about network changes. This way the client can disconnect/reconnect transport, or change delays """ log.debug(f"handling network change ({net_type})") if net_type == NET_TYPE_NONE: for client in self.host.getClients(C.PROF_KEY_ALL): client.networkDisabled() else: # DNS servers may have changed await self.updateResolver() # client may be there but disabled (e.g. with stream management) for client in self.host.getClients(C.PROF_KEY_ALL): log.debug(f"enabling network for {client.profile}") client.networkEnabled() # profiles may have been disconnected and then purged, we try # to reconnect them in case profiles_autoconnect = await self._getProfilesAutoconnect() for profile in profiles_autoconnect: if not self.host.isConnected(profile): log.info(f"{profile} is not connected, reconnecting it") try: await self.host.connect(profile) except Exception as e: log.error(f"Can't connect profile {profile}: {e}") async def _checkConnectivity(self): active_network = self.cm.getActiveNetworkInfo() if active_network is None: net_type = NET_TYPE_NONE else: net_type_android = active_network.getType() if net_type_android == ConnectivityManager.TYPE_WIFI: net_type = NET_TYPE_WIFI elif net_type_android == ConnectivityManager.TYPE_MOBILE: net_type = NET_TYPE_MOBILE else: net_type = NET_TYPE_OTHER if net_type != self._net_type: log.info("connectivity has changed") self._net_type = net_type if net_type == NET_TYPE_NONE: log.info("no network active") elif net_type == NET_TYPE_WIFI: log.info("WIFI activated") elif net_type == NET_TYPE_MOBILE: log.info("mobile data activated") else: log.info("network activated (type={net_type_android})" .format(net_type_android=net_type_android)) else: log.debug("_checkConnectivity called without network change ({net_type})" .format(net_type = net_type)) # we always call _handleNetworkChange even if there is not connectivity change # to be sure to reconnect when necessary await self._handleNetworkChange(net_type) def onConnectivityChange(self): log.debug("onConnectivityChange called") d = defer.ensureDeferred(self._checkConnectivity()) d.addErrback(self.host.logErrback) async def updateResolver(self): # There is no "/etc/resolv.conf" on Android, which confuse Twisted and makes # SRV record checking unusable. We fixe that by checking DNS server used, and # updating Twisted's resolver accordingly dns_servers = await self.getDNSServers() log.info( "Patching Twisted to use Android DNS resolver ({dns_servers})".format( dns_servers=', '.join([s[0] for s in dns_servers])) ) dns_client.theResolver = dns_client.createResolver(servers=dns_servers) async def getDNSServers(self): servers = [] if api_version < 26: # thanks to A-IV at https://stackoverflow.com/a/11362271 for the way to go log.debug("Old API, using SystemProperties to find DNS") for idx in range(1, 5): addr = SystemProperties.get(f'net.dns{idx}') if abstract.isIPAddress(addr): servers.append((addr, 53)) else: log.debug(f"API {api_version} >= 26, using getprop to find DNS") # use of getprop inspired by various solutions at # https://stackoverflow.com/q/3070144 # it's the most simple option, and it fit wells with async_process getprop_paths = which('getprop') if getprop_paths: try: getprop_path = getprop_paths[0] props = await async_process.run(getprop_path) servers = [(ip, 53) for ip in RE_DNS.findall(props.decode()) if abstract.isIPAddress(ip)] except Exception as e: log.warning(f"Can't use \"getprop\" to find DNS server: {e}") if not servers: # FIXME: Cloudflare's 1.1.1.1 seems to have a better privacy policy, to be # checked. log.warning( "no server found, we have to use factory Google DNS, this is not ideal " "for privacy" ) servers.append(('8.8.8.8', 53), ('8.8.4.4', 53)) return servers