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sip-session
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#!/usr/bin/env python2
import os
import re
import signal
import sys
import urllib
import random
import requests
from collections import defaultdict
from datetime import datetime, timedelta
from dateutil.tz import tzlocal
from itertools import chain
from lxml import html
from optparse import OptionParser
from otr import OTRState, SMPStatus
from threading import Event, Thread
from time import sleep
from application import log
from application.notification import IObserver, NotificationCenter
from application.python.queue import EventQueue
from application.python import Null
from eventlib import api
from twisted.internet import reactor
from zope.interface import implements
from otr import OTRSession, OTRTransport, OTRState, SMPStatus
from otr.exceptions import IgnoreMessage, UnencryptedMessage, EncryptedMessageError, OTRError
from sipsimple.core import Engine, FromHeader, Message, RouteHeader, SIPCoreError, SIPURI, ToHeader
from sipsimple.account import Account, AccountManager, BonjourAccount
from sipsimple.application import SIPApplication
from sipsimple.audio import WavePlayer
from sipsimple.configuration import ConfigurationError
from sipsimple.configuration.settings import SIPSimpleSettings
from sipsimple.lookup import DNSLookup
from sipsimple.payloads.iscomposing import IsComposingMessage
from sipsimple.session import IllegalStateError, Session
from sipsimple.streams import MediaStreamRegistry
from sipsimple.streams.msrp.filetransfer import FileSelector
from sipsimple.streams.msrp.chat import CPIMPayload, SimplePayload, CPIMParserError, ChatIdentity, OTREncryption
from sipsimple.storage import FileStorage
from sipsimple.threading.green import run_in_green_thread
from sipsimple.util import ISOTimestamp
from sipclient.configuration import config_directory
from sipclient.configuration.account import AccountExtension
from sipclient.configuration.datatypes import ResourcePath
from sipclient.configuration.settings import SIPSimpleSettingsExtension
from sipclient.log import Logger
from sipclient.system import IPAddressMonitor
from sipclient.ui import Prompt, Question, RichText, UI
# This is a helper function for sending formatted notice messages
def show_notice(text, bold=True):
ui = UI()
if isinstance(text, list):
ui.writelines([RichText(line, bold=bold) if not isinstance(line, RichText) else line for line in text])
elif isinstance(text, RichText):
ui.write(text)
else:
ui.write(RichText(text, bold=bold))
# Utility classes
#
class BonjourNeighbour(object):
def __init__(self, neighbour, uri, display_name, host):
self.display_name = display_name
self.host = host
self.neighbour = neighbour
self.uri = uri
class RTPStatisticsThread(Thread):
def __init__(self):
Thread.__init__(self)
self.setDaemon(True)
self.stopped = False
def run(self):
application = SIPSessionApplication()
while not self.stopped:
if application.active_session is not None and application.active_session.streams:
audio_stream = next((stream for stream in application.active_session.streams if stream.type == 'audio'), None)
if audio_stream is not None:
stats = audio_stream.statistics
if stats is not None:
reactor.callFromThread(show_notice, '%s RTP statistics: RTT=%d ms, packet loss=%.1f%%, jitter RX/TX=%d/%d ms' %
(datetime.now().replace(microsecond=0),
stats['rtt']['avg'] / 1000,
100.0 * stats['rx']['packets_lost'] / stats['rx']['packets'] if stats['rx']['packets'] else 0,
stats['rx']['jitter']['avg'] / 1000,
stats['tx']['jitter']['avg'] / 1000))
sleep(10)
def stop(self):
self.stopped = True
class QueuedMessage(object):
def __init__(self, msg_id, content, content_type='text/plain'):
self.id = msg_id
self.content = content
self.timestamp = None
self.content_type = content_type
self.encrypted = False
class OTRInternalMessage(QueuedMessage):
def __init__(self, content):
super(OTRInternalMessage, self).__init__('OTR', content, 'text/plain')
class MessageSession(object):
implements(IObserver)
def __init__(self, account, target, use_cpim=False):
self.account = account
self.target = target
self.routes = None
self.use_cpim = use_cpim
self.msg_id = 0
self.started = False
self.msg_map = {}
self.route = None
self.ended = False
self.encryption = OTREncryption(self)
self.message_queue = EventQueue(self._send_message)
target = self.target
if '@' not in target:
target = '%s@%s' % (target, self.account.id.domain)
if not target.startswith('sip:') and not target.startswith('sips:'):
target = 'sip:' + target
self.remote_uri = str(target).split(":")[1]
try:
self.target_uri = SIPURI.parse(target)
except SIPCoreError:
show_notice('Illegal SIP URI: %s' % target)
self.target_uri = None
self.notification_center = NotificationCenter()
show_notice('Message session started with %s' % self.target)
def end(self):
show_notice('Ending message session to %s' % self.target)
if self.encryption.active:
self.encryption.stop()
self.notification_center = None
self.message_queue = None
self.encryption = None
self.ended = True
def start(self):
if self.ended:
return
lookup = DNSLookup()
self.notification_center.add_observer(self, sender=lookup)
settings = SIPSimpleSettings()
if isinstance(self.account, Account) and self.account.sip.outbound_proxy is not None:
uri = SIPURI(host=self.account.sip.outbound_proxy.host, port=self.account.sip.outbound_proxy.port, parameters={'transport': self.account.sip.outbound_proxy.transport})
elif isinstance(self.account, Account) and self.account.sip.always_use_my_proxy:
uri = SIPURI(host=self.account.id.domain)
else:
uri = self.target_uri
lookup.lookup_sip_proxy(uri, settings.sip.transport_list)
def handle_notification(self, notification):
if self.ended:
return
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def inject_otr_message(self, data):
show_notice('Requesting %s of OTR encryption...' % 'stop' if self.encryption.active else 'start')
messageObject = OTRInternalMessage(data)
self.message_queue.put(messageObject)
def _NH_DNSLookupDidSucceed(self, notification):
self.notification_center.remove_observer(self, sender=notification.sender)
self.routes = notification.data.result
if not self.started:
self.message_queue.start()
if not self.encryption.active:
self.encryption.start()
show_notice('%s Session to %s will start via %s' % (datetime.now().replace(microsecond=0), self.remote_uri, self.routes[0]))
self.started = True
def _NH_DNSLookupDidFail(self, notification):
self.notification_center.remove_observer(self, sender=notification.sender)
show_notice('%s Session to %s failed: DNS lookup failed' % (datetime.now().replace(microsecond=0), self.remote_uri))
self.message_queue.stop()
def send_message(self, text):
if not self.routes:
self.start()
self.msg_id = self.msg_id + 1
messageObject = QueuedMessage(self.msg_id , text)
self.message_queue.put(messageObject)
return self.msg_id
def _send_message(self, message):
if not self.routes:
return
if not self.route:
self.route = self.routes.pop(0)
identity = str(self.account.uri)
if self.account.display_name:
identity = '"%s" <%s>' % (self.account.display_name, identity)
if isinstance(message.content, unicode):
charset = 'utf8'
message.content = message.content.encode(charset)
else:
charset = None
what_type = None
if not isinstance(message, OTRInternalMessage):
try:
message.content = self.encryption.otr_session.handle_output(message.content, message.content_type)
except OTRError as e:
if 'has ended the private conversation' in str(e):
show_notice('Encryption has been disabled by remote party, please resend the message again')
self.encryption.stop()
else:
show_notice('Failed to encrypt outgoing message: %s' % str(e))
return
else:
what_type = 'OTR'
if message.timestamp is None:
message.timestamp = ISOTimestamp.now()
if self.use_cpim:
content_type = 'message/cpim'
payload = CPIMPayload(message.content,
'text/plain',
charset='utf-8',
sender=ChatIdentity(self.account.uri, self.account.display_name),
recipients=[ChatIdentity(self.remote_uri, None)])
else:
payload = SimplePayload(message.content, message.content_type, charset)
content, content_type = payload.encode()
message_request = Message(FromHeader(self.account.uri, self.account.display_name),
ToHeader(self.target_uri),
RouteHeader(self.route.uri),
content_type,
content,
credentials=self.account.credentials)
self.notification_center.add_observer(self, sender=message_request)
if message.id != 'OTR':
if '?OTR:' in content:
show_notice('Encrypted message %s sent to %s' % (message.id, self.route.uri))
message.encrypted = True
else:
show_notice('Message %s sent to %s' % (message.id, self.route.uri))
self.msg_map[message_request] = message
message_request.send(15)
def handle_incoming(self, from_header, content_type, data):
self.msg_id = self.msg_id + 1
if content_type == 'message/cpim':
try:
payload = CPIMPayload.decode(content)
except CPIMParserError as e:
show_notice('CPIM parse error: %s' % str(e))
return None
else:
if payload.sender:
identity = '%s@%s' % (payload.sender.uri.user, payload.sender.uri.host)
if from_header.uri == cpim_message.sender.uri:
if payload.sender.display_name:
identity = '"%s" <%s>' % (payload.sender.display_name, identity)
elif from_header.display_name:
identity = '"%s" <%s>' % (from_header.display_name, identity)
else:
identity = from_header
else:
payload = SimplePayload.decode(data, content_type)
from_header = FromHeader.new(from_header)
identity = '%s@%s' % (str(from_header.uri.user), str(from_header.uri.host))
content = payload.content
content_type = payload.content_type
try:
content = self.encryption.otr_session.handle_input(content, content_type)
except IgnoreMessage:
return None
except UnencryptedMessage:
encrypted = False
encryption_active = True
except EncryptedMessageError as e:
show_notice('OTP encrypted message error: %s' % str(e))
return None
except OTRError as e:
show_notice('OTP error: %s' % str(e))
return None
else:
encrypted = encryption_active = self.encryption.active
if payload.charset is not None:
content = content.decode(payload.charset)
elif payload.content_type.startswith('text/'):
content.decode('utf8')
return (content_type, content, identity, self.msg_id, encrypted)
def _NH_SIPMessageDidSucceed(self, notification):
self.notification_center.remove_observer(self, sender=notification.sender)
try:
message = self.msg_map[notification.sender]
except KeyError:
message = None
else:
del(self.msg_map[notification.sender])
if not message:
return
if message.id in (None, 'OTR'):
return
if notification.data.code == 202:
show_notice('%s Message %s to %s will be delivered later by the server' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri))
elif notification.data.code == 200:
if message.encrypted:
show_notice('%s Encrypted message %s received by %s' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri))
else:
show_notice('%s Message %s received by %s' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri))
else:
show_notice('%s Message %s received by %s (code %d)' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri, notification.data.code ))
def _NH_SIPMessageDidFail(self, notification):
self.notification_center.remove_observer(self, sender=notification.sender)
try:
message = self.msg_map[notification.sender]
except KeyError:
message = None
else:
del(self.msg_map[notification.sender])
if not message:
return
if message.id in (None, 'OTR'):
return
server = notification.data.headers.get('Server', Null).body
client = notification.data.headers.get('Client', Null).body
if notification.data.code == 408 and self.routes:
pass
# self.route = self.routes.pop(0)
# TO DO retry
if message.encrypted:
show_notice('%s Encrypted message %s to %s failed on %s: %s (%d)' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri, server or client, notification.data.reason, notification.data.code))
else:
show_notice('%s Message %s to %s failed on %s: %s (%d)' % (datetime.now().replace(microsecond=0), message.id, self.remote_uri, server or client, notification.data.reason, notification.data.code))
OTRTransport.register(MessageSession)
class OutgoingCallInitializer(object):
implements(IObserver)
def __init__(self, account, target, audio=False, chat=False):
self.account = account
self.target = target
self.streams = []
if audio:
self.streams.append(MediaStreamRegistry.AudioStream())
if chat:
self.streams.append(MediaStreamRegistry.ChatStream())
self.wave_ringtone = None
def start(self):
if isinstance(self.account, BonjourAccount) and '@' not in self.target:
show_notice('Bonjour mode requires a host in the destination address')
return
if '@' not in self.target:
self.target = '%s@%s' % (self.target, self.account.id.domain)
if not self.target.startswith('sip:') and not self.target.startswith('sips:'):
self.target = 'sip:' + self.target
try:
self.target = SIPURI.parse(self.target)
except SIPCoreError:
show_notice('Illegal SIP URI: %s' % self.target)
else:
if '.' not in self.target.host and not isinstance(self.account, BonjourAccount):
self.target.host = '%s.%s' % (self.target.host, self.account.id.domain)
lookup = DNSLookup()
notification_center = NotificationCenter()
notification_center.add_observer(self, sender=lookup)
settings = SIPSimpleSettings()
if isinstance(self.account, Account) and self.account.sip.outbound_proxy is not None:
uri = SIPURI(host=self.account.sip.outbound_proxy.host, port=self.account.sip.outbound_proxy.port, parameters={'transport': self.account.sip.outbound_proxy.transport})
elif isinstance(self.account, Account) and self.account.sip.always_use_my_proxy:
uri = SIPURI(host=self.account.id.domain)
else:
uri = self.target
show_notice('DNS lookup for %s' % uri)
lookup.lookup_sip_proxy(uri, settings.sip.transport_list)
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_DNSLookupDidSucceed(self, notification):
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=notification.sender)
session = Session(self.account)
notification_center.add_observer(self, sender=session)
session.connect(ToHeader(self.target), routes=notification.data.result, streams=self.streams)
application = SIPSessionApplication()
application.outgoing_session = session
def _NH_DNSLookupDidFail(self, notification):
show_notice('Call to %s failed: DNS lookup error: %s' % (self.target, notification.data.error))
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=notification.sender)
def _NH_SIPSessionNewOutgoing(self, notification):
session = notification.sender
local_identity = str(session.local_identity.uri)
if session.local_identity.display_name:
local_identity = '"%s" <%s>' % (session.local_identity.display_name, local_identity)
remote_identity = str(session.remote_identity.uri)
if session.remote_identity.display_name:
remote_identity = '"%s" <%s>' % (session.remote_identity.display_name, remote_identity)
show_notice("Initiating SIP session from '%s' to '%s' via %s..." % (local_identity, remote_identity, session.route))
self.message_session_to = None
def _NH_SIPSessionGotRingIndication(self, notification):
settings = SIPSimpleSettings()
ui = UI()
ringtone = settings.sounds.audio_outbound
if ringtone and self.wave_ringtone is None:
self.wave_ringtone = WavePlayer(SIPApplication.voice_audio_mixer, ringtone.path.normalized, volume=ringtone.volume, loop_count=0, pause_time=2)
SIPApplication.voice_audio_bridge.add(self.wave_ringtone)
self.wave_ringtone.start()
ui.status = 'Ringing...'
def _NH_SIPSessionWillStart(self, notification):
ui = UI()
if self.wave_ringtone:
self.wave_ringtone.stop()
SIPApplication.voice_audio_bridge.remove(self.wave_ringtone)
self.wave_ringtone = None
ui.status = 'Connecting...'
def _NH_SIPSessionDidStart(self, notification):
notification_center = NotificationCenter()
ui = UI()
session = notification.sender
notification_center.remove_observer(self, sender=session)
ui.status = 'Connected'
reactor.callLater(2, setattr, ui, 'status', None)
application = SIPSessionApplication()
application.outgoing_session = None
for stream in notification.data.streams:
if stream.type == 'audio':
show_notice('Audio session established using "%s" codec at %sHz' % (stream.codec, stream.sample_rate))
if stream.ice_active:
show_notice('Audio RTP endpoints %s:%d (ICE type %s) <-> %s:%d (ICE type %s)' % (stream.local_rtp_address,
stream.local_rtp_port,
stream.local_rtp_candidate.type.lower(),
stream.remote_rtp_address,
stream.remote_rtp_port,
stream.remote_rtp_candidate.type.lower()))
else:
show_notice('Audio RTP endpoints %s:%d <-> %s:%d' % (stream.local_rtp_address, stream.local_rtp_port, stream.remote_rtp_address, stream.remote_rtp_port))
if session.remote_user_agent is not None:
show_notice('Remote SIP User Agent is "%s"' % session.remote_user_agent)
def _NH_SIPSessionDidFail(self, notification):
notification_center = NotificationCenter()
session = notification.sender
notification_center.remove_observer(self, sender=session)
ui = UI()
ui.status = None
application = SIPSessionApplication()
application.outgoing_session = None
if self.wave_ringtone:
self.wave_ringtone.stop()
SIPApplication.voice_audio_bridge.remove(self.wave_ringtone)
self.wave_ringtone = None
if notification.data.failure_reason == 'user request' and notification.data.code == 487:
show_notice('SIP session cancelled')
elif notification.data.failure_reason == 'user request':
show_notice('SIP session rejected by user (%d %s)' % (notification.data.code, notification.data.reason))
else:
show_notice('SIP session failed: %s' % notification.data.failure_reason)
class IncomingCallInitializer(object):
implements(IObserver)
sessions = 0
tone_ringtone = None
def __init__(self, session, auto_answer_interval=None):
self.session = session
self.auto_answer_interval = auto_answer_interval
self.question = None
def start(self):
IncomingCallInitializer.sessions += 1
notification_center = NotificationCenter()
notification_center.add_observer(self, sender=self.session)
# start auto-answer
self.answer_timer = None
if self.auto_answer_interval == 0:
self.session.accept(self.session.proposed_streams)
return
elif self.auto_answer_interval > 0:
self.answer_timer = reactor.callFromThread(reactor.callLater, self.auto_answer_interval, self.session.accept, self.session.proposed_streams)
# start ringing
application = SIPSessionApplication()
self.wave_ringtone = None
if application.active_session is None:
if IncomingCallInitializer.sessions == 1:
ringtone = self.session.account.sounds.audio_inbound.sound_file if self.session.account.sounds.audio_inbound is not None else None
if ringtone:
self.wave_ringtone = WavePlayer(SIPApplication.alert_audio_mixer, ringtone.path.normalized, volume=ringtone.volume, loop_count=0, pause_time=2)
SIPApplication.alert_audio_bridge.add(self.wave_ringtone)
self.wave_ringtone.start()
elif IncomingCallInitializer.tone_ringtone is None:
IncomingCallInitializer.tone_ringtone = WavePlayer(SIPApplication.voice_audio_mixer, ResourcePath('sounds/ring_tone.wav').normalized, loop_count=0, pause_time=6)
SIPApplication.voice_audio_bridge.add(IncomingCallInitializer.tone_ringtone)
IncomingCallInitializer.tone_ringtone.start()
self.session.send_ring_indication()
# ask question
identity = str(self.session.remote_identity.uri)
if self.session.remote_identity.display_name:
identity = '"%s" <%s>' % (self.session.remote_identity.display_name, identity)
streams = '/'.join(stream.type for stream in self.session.proposed_streams)
self.question = Question("Incoming %s from '%s', do you want to accept? (a)ccept/(r)eject/(b)usy" % (streams, identity), 'arbi', bold=True)
notification_center.add_observer(self, sender=self.question)
ui = UI()
ui.add_question(self.question)
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_UIQuestionGotAnswer(self, notification):
notification_center = NotificationCenter()
ui = UI()
notification_center.remove_observer(self, sender=notification.sender)
answer = notification.data.answer
self.question = None
if answer == 'a':
self.session.accept(self.session.proposed_streams)
ui.status = 'Accepting...'
elif answer == 'r':
self.session.reject()
ui.status = 'Rejecting...'
elif answer == 'b':
self.session.reject(486)
ui.status = 'Sending Busy Here...'
if self.wave_ringtone:
self.wave_ringtone.stop()
self.wave_ringtone = None
if IncomingCallInitializer.sessions > 1:
if IncomingCallInitializer.tone_ringtone is None:
IncomingCallInitializer.tone_ringtone = WavePlayer(SIPApplication.voice_audio_mixer, ResourcePath('sounds/ring_tone.wav').normalized, loop_count=0, pause_time=6)
SIPApplication.voice_audio_bridge.add(IncomingCallInitializer.tone_ringtone)
IncomingCallInitializer.tone_ringtone.start()
elif IncomingCallInitializer.tone_ringtone:
IncomingCallInitializer.tone_ringtone.stop()
IncomingCallInitializer.tone_ringtone = None
if self.answer_timer is not None and self.answer_timer.active():
self.answer_timer.cancel()
def _NH_SIPSessionWillStart(self, notification):
ui = UI()
if self.question is not None:
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=self.question)
ui.remove_question(self.question)
self.question = None
ui.status = 'Connecting...'
def _NH_SIPSessionDidStart(self, notification):
notification_center = NotificationCenter()
session = notification.sender
notification_center.remove_observer(self, sender=session)
IncomingCallInitializer.sessions -= 1
ui = UI()
ui.status = 'Connected'
reactor.callLater(2, setattr, ui, 'status', None)
identity = str(session.remote_identity.uri)
if session.remote_identity.display_name:
identity = '"%s" <%s>' % (session.remote_identity.display_name, identity)
show_notice("SIP session with '%s' established" % identity)
for stream in notification.data.streams:
if stream.type == 'audio':
show_notice('Audio stream using "%s" codec at %sHz' % (stream.codec, stream.sample_rate))
if stream.ice_active:
show_notice('Audio RTP endpoints %s:%d (ICE type %s) <-> %s:%d (ICE type %s)' % (stream.local_rtp_address, stream.local_rtp_port, stream.local_rtp_candidate_type, stream.remote_rtp_address, stream.remote_rtp_port, stream.remote_rtp_candidate_type))
else:
show_notice('Audio RTP endpoints %s:%d <-> %s:%d' % (stream.local_rtp_address, stream.local_rtp_port, stream.remote_rtp_address, stream.remote_rtp_port))
if stream.encryption.active:
show_notice('RTP audio stream is encrypted using %s (%s)\n' % (stream.encryption.type, stream.encryption.cipher))
if session.remote_user_agent is not None:
show_notice('Remote SIP User Agent is "%s"' % session.remote_user_agent)
def _NH_SIPSessionDidFail(self, notification):
notification_center = NotificationCenter()
ui = UI()
session = notification.sender
notification_center.remove_observer(self, sender=session)
ui.status = None
if self.question is not None:
notification_center.remove_observer(self, sender=self.question)
ui.remove_question(self.question)
self.question = None
IncomingCallInitializer.sessions -= 1
if self.wave_ringtone:
self.wave_ringtone.stop()
self.wave_ringtone = None
if IncomingCallInitializer.sessions == 0 and IncomingCallInitializer.tone_ringtone is not None:
IncomingCallInitializer.tone_ringtone.stop()
IncomingCallInitializer.tone_ringtone = None
if notification.data.failure_reason == 'user request' and notification.data.code == 487:
show_notice('SIP session cancelled by user')
if notification.data.failure_reason == 'Call completed elsewhere' and notification.data.code == 487:
show_notice('SIP session cancelled, call was answered elsewhere')
elif notification.data.failure_reason == 'user request':
show_notice('SIP session rejected (%d %s)' % (notification.data.code, notification.data.reason))
else:
show_notice('SIP session failed: %s' % notification.data.failure_reason)
class OutgoingProposalHandler(object):
implements(IObserver)
def __init__(self, session, audio=False, chat=False):
self.session = session
self.stream = None
if audio:
self.stream = MediaStreamRegistry.AudioStream()
if chat:
self.stream = MediaStreamRegistry.ChatStream()
if not self.stream:
raise ValueError("Need to specify exactly one stream")
def start(self):
notification_center = NotificationCenter()
notification_center.add_observer(self, sender=self.session)
try:
self.session.add_stream(self.stream)
except IllegalStateError:
notification_center.remove_observer(self, sender=self.session)
raise
remote_identity = str(self.session.remote_identity.uri)
if self.session.remote_identity.display_name:
remote_identity = '"%s" <%s>' % (self.session.remote_identity.display_name, remote_identity)
show_notice("Proposing %s to '%s'..." % (self.stream.type, remote_identity))
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_SIPSessionProposalAccepted(self, notification):
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=self.session)
application = SIPSessionApplication()
application.sessions_with_proposals.remove(notification.sender)
show_notice('Proposal accepted')
def _NH_SIPSessionProposalRejected(self, notification):
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=self.session)
application = SIPSessionApplication()
application.sessions_with_proposals.remove(notification.sender)
ui = UI()
ui.status = None
if notification.data.code == 487:
show_notice('Proposal cancelled (%d %s)' % (notification.data.code, notification.data.reason))
else:
show_notice('Proposal rejected (%d %s)' % (notification.data.code, notification.data.reason))
def _NH_SIPSessionDidEnd(self, notification):
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=self.session)
class IncomingProposalHandler(object):
implements(IObserver)
sessions = 0
tone_ringtone = None
def __init__(self, session):
self.session = session
self.question = None
def start(self):
IncomingProposalHandler.sessions += 1
notification_center = NotificationCenter()
notification_center.add_observer(self, sender=self.session)
# start ringing
if IncomingProposalHandler.tone_ringtone is None:
IncomingProposalHandler.tone_ringtone = WavePlayer(SIPApplication.voice_audio_mixer, ResourcePath('sounds/ring_tone.wav').normalized, loop_count=0, pause_time=6)
SIPApplication.voice_audio_bridge.add(IncomingProposalHandler.tone_ringtone)
IncomingProposalHandler.tone_ringtone.start()
self.session.send_ring_indication()
# ask question
identity = str(self.session.remote_identity.uri)
if self.session.remote_identity.display_name:
identity = '"%s" <%s>' % (self.session.remote_identity.display_name, identity)
streams = ', '.join(stream.type for stream in self.session.proposed_streams)
self.question = Question("'%s' wants to add %s, do you want to accept? (a)ccept/(r)eject" % (identity, streams), 'ar', bold=True)
notification_center.add_observer(self, sender=self.question)
ui = UI()
ui.add_question(self.question)
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_UIQuestionGotAnswer(self, notification):
notification_center = NotificationCenter()
ui = UI()
notification_center.remove_observer(self, sender=notification.sender)
answer = notification.data.answer
self.question = None
if answer == 'a':
self.session.accept_proposal(self.session.proposed_streams)
ui.status = 'Accepting proposal...'
elif answer == 'r':
self.session.reject_proposal()
ui.status = 'Rejecting proposal...'
if IncomingProposalHandler.sessions == 1 and IncomingProposalHandler.tone_ringtone:
IncomingProposalHandler.tone_ringtone.stop()
IncomingProposalHandler.tone_ringtone = None
def _NH_SIPSessionProposalAccepted(self, notification):
notification_center = NotificationCenter()
session = notification.sender
notification_center.remove_observer(self, sender=session)
application = SIPSessionApplication()
application.sessions_with_proposals.remove(notification.sender)
IncomingProposalHandler.sessions -= 1
ui = UI()
ui.status = None
show_notice('Proposal accepted')
def _NH_SIPSessionProposalRejected(self, notification):
notification_center = NotificationCenter()
session = notification.sender
notification_center.remove_observer(self, sender=session)
application = SIPSessionApplication()
application.sessions_with_proposals.remove(notification.sender)
IncomingProposalHandler.sessions -= 1
ui = UI()
ui.status = None
if notification.data.code == 487:
show_notice('Proposal cancelled (%d %s)' % (notification.data.code, notification.data.reason))
else:
show_notice('Proposal rejected (%d %s)' % (notification.data.code, notification.data.reason))
if IncomingProposalHandler.tone_ringtone:
IncomingProposalHandler.tone_ringtone.stop()
IncomingProposalHandler.tone_ringtone = None
if self.question is not None:
notification_center.remove_observer(self, sender=self.question)
ui.remove_question(self.question)
self.question = None
def _NH_SIPSessionHadProposalFailure(self, notification):
notification_center = NotificationCenter()
session = notification.sender
notification_center.remove_observer(self, sender=session)
IncomingProposalHandler.sessions -= 1
ui = UI()
ui.status = None
show_notice('Proposal failed (%s)' % notification.data.failure_reason)
def _NH_SIPSessionDidEnd(self, notification):
notification_center = NotificationCenter()
ui = UI()
session = notification.sender
notification_center.remove_observer(self, sender=session)
ui.status = None
if self.question is not None:
notification_center.remove_observer(self, sender=self.question)
ui.remove_question(self.question)
self.question = None
IncomingProposalHandler.sessions -= 1
if IncomingProposalHandler.sessions == 0 and IncomingProposalHandler.tone_ringtone is not None:
IncomingProposalHandler.tone_ringtone.stop()
IncomingProposalHandler.tone_ringtone = None
class OutgoingTransferHandler(object):
implements(IObserver)
def __init__(self, account, target, filepath):
self.account = account
self.target = target
self.filepath = filepath.decode(sys.getfilesystemencoding())
self.file_selector = None
self.hash_compute_proc = None
self.session = None
self.stream = None
self.handler = None
self.wave_ringtone = None
@run_in_green_thread
def start(self):
if isinstance(self.account, BonjourAccount) and '@' not in self.target:
show_notice('Bonjour mode requires a host in the destination address')
return
if '@' not in self.target:
self.target = '%s@%s' % (self.target, self.account.id.domain)
if not self.target.startswith('sip:') and not self.target.startswith('sips:'):
self.target = 'sip:' + self.target
try:
self.target = SIPURI.parse(self.target)
except SIPCoreError:
show_notice('Illegal SIP URI: %s' % self.target)
return
show_notice('Preparing transfer...')
self.file_selector = FileSelector.for_file(self.filepath)
if '.' not in self.target.host and not isinstance(self.account, BonjourAccount):
self.target.host = '%s.%s' % (self.target.host, self.account.id.domain)
lookup = DNSLookup()
notification_center = NotificationCenter()
notification_center.add_observer(self, sender=lookup)
settings = SIPSimpleSettings()
if isinstance(self.account, Account) and self.account.sip.outbound_proxy is not None:
uri = SIPURI(host=self.account.sip.outbound_proxy.host, port=self.account.sip.outbound_proxy.port, parameters={'transport': self.account.sip.outbound_proxy.transport})
elif isinstance(self.account, Account) and self.account.sip.always_use_my_proxy:
uri = SIPURI(host=self.account.id.domain)
else:
uri = self.target
lookup.lookup_sip_proxy(uri, settings.sip.transport_list)
def _terminate(self, failure_reason=None):
notification_center = NotificationCenter()
notification_center.remove_observer(self, sender=self.session)
notification_center.remove_observer(self, sender=self.stream)
notification_center.remove_observer(self, sender=self.handler)
ui = UI()
ui.status = None
if self.wave_ringtone:
self.wave_ringtone.stop()
self.wave_ringtone = None
if failure_reason is None:
show_notice('File transfer of %s finished' % os.path.basename(self.filepath))
else:
show_notice('File transfer of %s failed: %s' % (os.path.basename(self.filepath), failure_reason))
self.session = None
self.stream = None
self.handler = None
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_DNSLookupDidSucceed(self, notification):
notification.center.remove_observer(self, sender=notification.sender)
self.session = Session(self.account)
self.stream = MediaStreamRegistry.FileTransferStream(self.file_selector, 'sendonly')
self.handler = self.stream.handler
notification.center.add_observer(self, sender=self.session)
notification.center.add_observer(self, sender=self.stream)
notification.center.add_observer(self, sender=self.handler)
self.session.connect(ToHeader(self.target), routes=notification.data.result, streams=[self.stream])
def _NH_DNSLookupDidFail(self, notification):
notification.center.remove_observer(self, sender=notification.sender)
show_notice('File transfer to %s failed: DNS lookup error: %s' % (self.target, notification.data.error))
def _NH_SIPSessionNewOutgoing(self, notification):
session = notification.sender
local_identity = str(session.local_identity.uri)
if session.local_identity.display_name:
local_identity = '"%s" <%s>' % (session.local_identity.display_name, local_identity)
remote_identity = str(session.remote_identity.uri)
if session.remote_identity.display_name:
remote_identity = '"%s" <%s>' % (session.remote_identity.display_name, remote_identity)
show_notice("Initiating file transfer from '%s' to '%s' via %s..." % (local_identity, remote_identity, session.route))
def _NH_SIPSessionGotRingIndication(self, notification):
settings = SIPSimpleSettings()
ui = UI()
ringtone = settings.sounds.audio_outbound
if ringtone and self.wave_ringtone is None:
self.wave_ringtone = WavePlayer(SIPApplication.voice_audio_mixer, ringtone.path.normalized, volume=ringtone.volume, loop_count=0, pause_time=2)
SIPApplication.voice_audio_bridge.add(self.wave_ringtone)
self.wave_ringtone.start()
ui.status = 'Ringing...'
def _NH_SIPSessionWillStart(self, notification):
ui = UI()
if self.wave_ringtone:
self.wave_ringtone.stop()
ui.status = 'Connecting...'
def _NH_SIPSessionDidStart(self, notification):
session = notification.sender
ui = UI()
ui.status = 'File transfer connected'
identity = str(session.remote_identity.uri)
if session.remote_identity.display_name:
identity = '"%s" <%s>' % (session.remote_identity.display_name, identity)
show_notice("File transfer for %s to '%s' started" % (os.path.basename(self.filepath), identity))
def _NH_MediaStreamDidNotInitialize(self, notification):
self._terminate(failure_reason=notification.data.reason)
def _NH_FileTransferHandlerDidEnd(self, notification):
self.session.end()
self._terminate(failure_reason=notification.data.reason)
class IncomingTransferHandler(object):
implements(IObserver)