diff --git a/sip-subscribe-rls3 b/sip-subscribe-rls3 index db4cda7..d92a682 100755 --- a/sip-subscribe-rls3 +++ b/sip-subscribe-rls3 @@ -1,376 +1,376 @@ #!/usr/bin/env python3 import os import random import select import sys import termios from collections import deque from optparse import OptionParser from threading import Thread from time import time from application import log from application.notification import IObserver, NotificationCenter, NotificationData from application.python.queue import EventQueue from eventlib.twistedutil import join_reactor from twisted.internet import reactor from twisted.internet.error import ReactorNotRunning from zope.interface import implementer from sipsimple.account import Account, AccountManager, BonjourAccount from sipsimple.application import SIPApplication from sipsimple.configuration import ConfigurationError, ConfigurationManager from sipsimple.configuration.settings import SIPSimpleSettings from sipsimple.core import ContactHeader, Engine, FromHeader, Header, RouteHeader, SIPCoreError, SIPURI, Subscription, ToHeader, Route from sipsimple.lookup import DNSLookup from sipsimple.storage import FileStorage from sipsimple.threading import run_in_twisted_thread from sipclient.configuration import config_directory from sipclient.configuration.account import AccountExtension from sipclient.configuration.settings import SIPSimpleSettingsExtension from sipclient.log import Logger class InputThread(Thread): def __init__(self, application): Thread.__init__(self) self.application = application self.daemon = True self._old_terminal_settings = None def run(self): notification_center = NotificationCenter() while True: for char in self._getchars(): if char == "\x04": self.application.stop() return else: notification_center.post_notification('SAInputWasReceived', sender=self, data=NotificationData(input=char)) def stop(self): self._termios_restore() def _termios_restore(self): if self._old_terminal_settings is not None: termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, self._old_terminal_settings) def _getchars(self): fd = sys.stdin.fileno() if os.isatty(fd): self._old_terminal_settings = termios.tcgetattr(fd) new = termios.tcgetattr(fd) new[3] = new[3] & ~termios.ICANON & ~termios.ECHO new[6][termios.VMIN] = b'\000' try: termios.tcsetattr(fd, termios.TCSADRAIN, new) if select.select([fd], [], [], None)[0]: return sys.stdin.read(4192) finally: self._termios_restore() else: return os.read(fd, 4192) @implementer(IObserver) class SubscriptionApplication(object): def __init__(self, account_name, target, trace_sip, trace_pjsip, trace_notifications): self.account_name = account_name self.target = target self.input = InputThread(self) self.output = EventQueue(lambda event: sys.stdout.write(event+'\n')) self.logger = Logger(sip_to_stdout=trace_sip, pjsip_to_stdout=trace_pjsip, notifications_to_stdout=trace_notifications) self.success = False self.account = None self.subscription = None self.stopping = False self._subscription_routes = None self._subscription_timeout = 0.0 self._subscription_wait = 0.5 account_manager = AccountManager() engine = Engine() notification_center = NotificationCenter() notification_center.add_observer(self, sender=account_manager) notification_center.add_observer(self, sender=engine) notification_center.add_observer(self, sender=self.input) log.level.current = log.level.WARNING def run(self): account_manager = AccountManager() configuration = ConfigurationManager() engine = Engine() # start output thread self.output.start() # startup configuration Account.register_extension(AccountExtension) BonjourAccount.register_extension(AccountExtension) SIPSimpleSettings.register_extension(SIPSimpleSettingsExtension) SIPApplication.storage = FileStorage(config_directory) try: configuration.start() except ConfigurationError as e: raise RuntimeError("Failed to load sipclient's configuration: %s\nIf an old configuration file is in place, delete it or move it and recreate the configuration using the sip_settings script." % str(e)) account_manager.load() if self.account_name is None: self.account = account_manager.default_account else: possible_accounts = [account for account in account_manager.iter_accounts() if self.account_name in account.id and account.enabled] if len(possible_accounts) > 1: raise RuntimeError("More than one account exists which matches %s: %s" % (self.account_name, ", ".join(sorted(account.id for account in possible_accounts)))) if len(possible_accounts) == 0: raise RuntimeError("No enabled account that matches %s was found. Available and enabled accounts: %s" % (self.account_name, ", ".join(sorted(account.id for account in account_manager.get_accounts() if account.enabled)))) self.account = possible_accounts[0] if self.account is None: raise RuntimeError("Unknown account %s. Available accounts: %s" % (self.account_name, ', '.join(account.id for account in account_manager.iter_accounts()))) elif self.account == BonjourAccount(): raise RuntimeError("Cannot use bonjour account for presence subscription") elif not self.account.presence.enabled: raise RuntimeError("Presence is not enabled for account %s" % self.account.id) for account in account_manager.iter_accounts(): if account == self.account: account.sip.register = False else: account.enabled = False self.output.put('Using account %s' % self.account.id) settings = SIPSimpleSettings() # start logging self.logger.start() # start the engine engine.start( auto_sound=False, events={'presence': ['multipart/related', 'application/rlmi+xml', 'application/pidf+xml']}, udp_port=settings.sip.udp_port if "udp" in settings.sip.transport_list else None, tcp_port=settings.sip.tcp_port if "tcp" in settings.sip.transport_list else None, tls_port=settings.sip.tls_port if "tls" in settings.sip.transport_list else None, tls_verify_server=self.account.tls.verify_server, tls_ca_file=os.path.expanduser(settings.tls.ca_list) if settings.tls.ca_list else None, tls_cert_file=os.path.expanduser(self.account.tls.certificate) if self.account.tls.certificate else None, tls_privkey_file=os.path.expanduser(self.account.tls.certificate) if self.account.tls.certificate else None, user_agent=settings.user_agent, sample_rate=settings.audio.sample_rate, rtp_port_range=(settings.rtp.port_range.start, settings.rtp.port_range.end), trace_sip=settings.logs.trace_sip or self.logger.sip_to_stdout, log_level=settings.logs.pjsip_level if (settings.logs.trace_pjsip or self.logger.pjsip_to_stdout) else 0 ) if self.target is None: self.target = ToHeader(SIPURI(user='%s+presence' % self.account.id.username, host=self.account.id.domain)) else: 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 = ToHeader(SIPURI.parse(self.target)) except SIPCoreError: self.output.put('Illegal SIP URI: %s' % self.target) engine.stop() return 1 self.output.put('Subscribing to %s for the presence event' % self.target.uri) # start the input thread self.input.start() reactor.callLater(0, self._subscribe) # start twisted try: reactor.run() finally: self.input.stop() # stop the output self.output.stop() self.output.join() self.logger.stop() return 0 if self.success else 1 def stop(self): self.stopping = True if self.subscription is not None and self.subscription.state.lower() in ('accepted', 'pending', 'active'): self.subscription.end(timeout=1) else: engine = Engine() engine.stop() def print_help(self): message = 'Available control keys:\n' message += ' t: toggle SIP trace on the console\n' message += ' j: toggle PJSIP trace on the console\n' message += ' n: toggle notifications trace on the console\n' message += ' Ctrl-d: quit the program\n' message += ' ?: display this help message\n' self.output.put('\n'+message) def handle_notification(self, notification): handler = getattr(self, '_NH_%s' % notification.name, None) if handler is not None: handler(notification) def _NH_SIPSubscriptionDidStart(self, notification): route = Route(notification.sender.route_header.uri.host, notification.sender.route_header.uri.port, notification.sender.route_header.uri.parameters.get('transport', 'udp')) self._subscription_routes = None self._subscription_wait = 0.5 self.output.put('Subscription succeeded at %s:%d;transport=%s' % (route.address, route.port, route.transport)) self.success = True def _NH_SIPSubscriptionChangedState(self, notification): route = Route(notification.sender.route_header.uri.host, notification.sender.route_header.uri.port, notification.sender.route_header.uri.parameters.get('transport', 'udp')) if notification.data.state.lower() == "pending": self.output.put('Subscription pending at %s:%d;transport=%s' % (route.address, route.port, route.transport)) elif notification.data.state.lower() == "active": self.output.put('Subscription active at %s:%d;transport=%s' % (route.address, route.port, route.transport)) def _NH_SIPSubscriptionDidEnd(self, notification): notification_center = NotificationCenter() notification_center.remove_observer(self, sender=notification.sender) self.subscription = None route = Route(notification.sender.route_header.uri.host, notification.sender.route_header.uri.port, notification.sender.route_header.uri.parameters.get('transport', 'udp')) self.output.put('Unsubscribed from %s:%d;transport=%s' % (route.address, route.port, route.transport)) self.stop() def _NH_SIPSubscriptionDidFail(self, notification): notification_center = NotificationCenter() notification_center.remove_observer(self, sender=notification.sender) self.subscription = None route = Route(notification.sender.route_header.uri.host, notification.sender.route_header.uri.port, notification.sender.route_header.uri.parameters.get('transport', 'udp')) if notification.data.code: status = ': %d %s' % (notification.data.code, notification.data.reason) else: status = ': %s' % notification.data.reason self.output.put('Subscription failed at %s:%d;transport=%s%s' % (route.address, route.port, route.transport, status)) if self.stopping or notification.data.code in (401, 403, 407) or self.success: self.success = False self.stop() else: if not self._subscription_routes or time() > self._subscription_timeout: self._subscription_wait = min(self._subscription_wait*2, 30) timeout = random.uniform(self._subscription_wait, 2*self._subscription_wait) reactor.callFromThread(reactor.callLater, timeout, self._subscribe) else: route = self._subscription_routes.popleft() route_header = RouteHeader(route.uri) self.subscription = Subscription(self.target.uri, FromHeader(self.account.uri, self.account.display_name), self.target, ContactHeader(self.account.contact[route]), b"presence", route_header, credentials=self.account.credentials, refresh=self.account.sip.subscribe_interval) notification_center.add_observer(self, sender=self.subscription) self.subscription.subscribe(extra_headers=[Header('Supported', 'eventlist')], timeout=5) def _NH_SIPSubscriptionGotNotify(self, notification): if notification.data.body: - self.output.put('Received NOTIFY:\n' + notification.data.body) + self.output.put('Received NOTIFY:\n' + notification.data.body.decode()) self.print_help() def _NH_DNSLookupDidSucceed(self, notification): # create subscription and register to get notifications from it self._subscription_routes = deque(notification.data.result) route = self._subscription_routes.popleft() route_header = RouteHeader(route.uri) self.subscription = Subscription(self.target.uri, FromHeader(self.account.uri, self.account.display_name), self.target, ContactHeader(self.account.contact[route]), b"presence", route_header, credentials=self.account.credentials, refresh=self.account.sip.subscribe_interval) notification_center = NotificationCenter() notification_center.add_observer(self, sender=self.subscription) self.subscription.subscribe(extra_headers=[Header('Supported', 'eventlist')], timeout=5) def _NH_DNSLookupDidFail(self, notification): self.output.put('DNS lookup failed: %s' % notification.data.error) timeout = random.uniform(1.0, 2.0) reactor.callLater(timeout, self._subscribe) def _NH_SAInputWasReceived(self, notification): engine = Engine() settings = SIPSimpleSettings() key = notification.data.input if key == 't': self.logger.sip_to_stdout = not self.logger.sip_to_stdout engine.trace_sip = self.logger.sip_to_stdout or settings.logs.trace_sip self.output.put('SIP tracing to console is now %s.' % ('activated' if self.logger.sip_to_stdout else 'deactivated')) elif key == 'j': self.logger.pjsip_to_stdout = not self.logger.pjsip_to_stdout engine.log_level = settings.logs.pjsip_level if (self.logger.pjsip_to_stdout or settings.logs.trace_pjsip) else 0 self.output.put('PJSIP tracing to console is now %s.' % ('activated' if self.logger.pjsip_to_stdout else 'deactivated')) elif key == 'n': self.logger.notifications_to_stdout = not self.logger.notifications_to_stdout self.output.put('Notification tracing to console is now %s.' % ('activated' if self.logger.notifications_to_stdout else 'deactivated')) elif key == '?': self.print_help() @run_in_twisted_thread def _NH_SIPEngineDidEnd(self, notification): self._stop_reactor() @run_in_twisted_thread def _NH_SIPEngineDidFail(self, notification): self.output.put('Engine failed.') self._stop_reactor() def _NH_SIPEngineGotException(self, notification): self.output.put('An exception occured within the SIP core:\n'+notification.data.traceback) def _stop_reactor(self): try: reactor.stop() except ReactorNotRunning: pass def _subscribe(self): settings = SIPSimpleSettings() self._subscription_timeout = time()+30 lookup = DNSLookup() notification_center = NotificationCenter() notification_center.add_observer(self, sender=lookup) if 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}) else: uri = self.target.uri lookup.lookup_sip_proxy(uri, settings.sip.transport_list, tls_name=self.account.sip.tls_name) if __name__ == "__main__": description = "This script subscribes to the presence event package published by the specified SIP target assuming it is a resource list handled by a RLS server. The RLS server will then SUBSCRIBE in behalf of the account, collect NOTIFYs with the presence information of the recipients and provide periodically aggregated NOTIFYs back to the subscriber. If a target address is not specified, it will subscribe to the address 'username-buddies@domain.com', where username and domain are taken from the account's SIP address. It will then interprete PIDF bodies contained in NOTIFYs and display their meaning. The program will un-SUBSCRIBE and quit when CTRL+D is pressed." usage = "%prog [options] [target-user@target-domain.com]" parser = OptionParser(usage=usage, description=description) parser.print_usage = parser.print_help parser.add_option("-a", "--account-name", type="string", dest="account_name", help="The name of the account to use.") parser.add_option("-s", "--trace-sip", action="store_true", dest="trace_sip", default=False, help="Dump the raw contents of incoming and outgoing SIP messages (disabled by default).") parser.add_option("-j", "--trace-pjsip", action="store_true", dest="trace_pjsip", default=False, help="Print PJSIP logging output (disabled by default).") parser.add_option("-n", "--trace-notifications", action="store_true", dest="trace_notifications", default=False, help="Print all notifications (disabled by default).") options, args = parser.parse_args() try: application = SubscriptionApplication(options.account_name, args[0] if args else None, options.trace_sip, options.trace_pjsip, options.trace_notifications) return_code = application.run() except RuntimeError as e: print("Error: %s" % str(e)) sys.exit(1) except SIPCoreError as e: print("Error: %s" % str(e)) sys.exit(1) else: sys.exit(return_code)