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SMSViewController.py
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# Copyright (C) 2009-2011 AG Projects. See LICENSE for details.
#
from AppKit import (NSApp,
NSEventTrackingRunLoopMode,
NSFontAttributeName,
NSForegroundColorAttributeName,
NSWorkspace)
from Foundation import (NSAttributedString,
NSBundle,
NSColor,
NSDate,
NSDictionary,
NSFont,
NSImage,
NSLocalizedString,
NSMakePoint,
NSMakeSize,
NSMaxX,
NSMenuItem,
NSObject,
NSRunLoopCommonModes,
NSRunLoop,
NSSplitView,
NSString,
NSTimer,
NSWorkspace,
NSURL)
import objc
import os
import pgpy
import uuid
import datetime
import hashlib
import ast
import re
import json
from binascii import unhexlify, hexlify
from application.notification import IObserver, NotificationCenter, NotificationData
from application.python import Null
from application.python.queue import EventQueue
from application.system import host
from dateutil.parser._parser import ParserError as DateParserError
from zope.interface import implementer
from resources import ApplicationData
from otr import OTRTransport, OTRState, SMPStatus
from otr.exceptions import IgnoreMessage, UnencryptedMessage, EncryptedMessageError, OTRError, OTRFinishedError
from sipsimple.account import Account, BonjourAccount
from sipsimple.core import Message, FromHeader, ToHeader, RouteHeader, Header, SIPURI, Route
from sipsimple.configuration.settings import SIPSimpleSettings
from sipsimple.lookup import DNSLookup, DNSLookupError
from sipsimple.payloads import ParserError
from sipsimple.payloads.iscomposing import IsComposingDocument, IsComposingMessage, State, LastActive, Refresh, ContentType
from sipsimple.payloads.imdn import IMDNDocument, DisplayNotification, DeliveryNotification
from sipsimple.streams.msrp.chat import CPIMPayload, SimplePayload, CPIMParserError, CPIMHeader, ChatIdentity, OTREncryption, CPIMNamespace
from sipsimple.threading.green import run_in_green_thread
from sipsimple.util import ISOTimestamp
from pgpy.constants import PubKeyAlgorithm, KeyFlags, HashAlgorithm, SymmetricKeyAlgorithm, CompressionAlgorithm
from BlinkLogger import BlinkLogger
from ChatViewController import MSG_STATE_SENDING, MSG_STATE_SENT, MSG_STATE_DELIVERED, MSG_STATE_FAILED, MSG_STATE_DISPLAYED, MSG_STATE_FAILED_LOCAL, MSG_STATE_DEFERRED
from HistoryManager import ChatHistory
from SmileyManager import SmileyManager
from util import format_identity_to_string, html2txt, sipuri_components_from_string, run_in_gui_thread
from ChatOTR import ChatOtrSmp
import SMSWindowManager
# OpenPGP settings compatible with Sylk client
pgpOptions = {'cipher': 'aes256',
'compression': 'zlib',
'hash': 'sha512',
'RSABits': 4096,
'compressionLevel': 5
}
MAX_MESSAGE_LENGTH = 16000
class MessageInfo(object):
def __init__(self, id, content=None, content_type='text/plain', call_id=None, direction='outgoing', sender=None, recipient=None, timestamp=None, status=None, encryption=None, require_delivered_notification=False, require_displayed_notification=False):
self.id = id
self.call_id = call_id
self.pjsip_id = None
self.direction = direction
self.sender = sender # an identity object with uri and display_name
self.recipient = recipient # an identity object with uri and display_name
self.timestamp = timestamp
self.content = content if isinstance(content, bytes) else content.encode()
self.content_type = content_type
self.status = status
self.encryption = encryption
self.require_delivered_notification = require_delivered_notification
self.require_displayed_notification = require_displayed_notification
class OTRInternalMessage(MessageInfo):
def __init__(self, content):
super(OTRInternalMessage, self).__init__('OTR', content=content, content_type='text/plain')
class SMSSplitView(NSSplitView):
text = None
attributes = NSDictionary.dictionaryWithObjectsAndKeys_(
NSFont.systemFontOfSize_(NSFont.labelFontSize()-1), NSFontAttributeName,
NSColor.darkGrayColor(), NSForegroundColorAttributeName)
def setText_(self, text):
self.text = NSString.stringWithString_(text)
self.setNeedsDisplay_(True)
def dividerThickness(self):
return NSFont.labelFontSize()+1
def drawDividerInRect_(self, rect):
NSSplitView.drawDividerInRect_(self, rect)
if self.text:
point = NSMakePoint(NSMaxX(rect) - self.text.sizeWithAttributes_(self.attributes).width - 10, rect.origin.y)
self.text.drawAtPoint_withAttributes_(point, self.attributes)
@implementer(IObserver)
class SMSViewController(NSObject):
chatViewController = objc.IBOutlet()
splitView = objc.IBOutlet()
smileyButton = objc.IBOutlet()
outputContainer = objc.IBOutlet()
addContactView = objc.IBOutlet()
addContactLabel = objc.IBOutlet()
zoom_period_label = ''
showHistoryEntries = 50
remoteTypingTimer = None
handle_scrolling = True
scrollingTimer = None
scrolling_back = False
message_count_from_history = 0
contact = None
not_read_queue_started = False
not_read_queue_paused = False
incoming_queue_started = False
started = False
paused = False
account = None
target_uri = None
routes = None
private_key = None
public_key = None
my_public_key = None
public_key_sent = False
windowController = None
last_route = None
chatOtrSmpWindow = None
dns_lookup_in_progress = False
last_failure_reason = None
otr_negotiation_timer = None
pgp_encrypted = False
bonjour_lookup_enabled = True
def initWithAccount_target_name_instance_(self, account, target, display_name, instance_id, selected_contact=None, is_replication_message=False):
self = objc.super(SMSViewController, self).init()
if self:
self.keys_path = ApplicationData.get('keys')
self.messages = {}
self.sent_readable_messages = set()
self.session_id = str(uuid.uuid1())
self.instance_id = instance_id
self.notification_center = NotificationCenter()
self.account = account
self.target_uri = target
self.encryption = OTREncryption(self)
self.outgoing_queue = EventQueue(self._send_message) # outgoing messages
self.incoming_queue = EventQueue(self._receive_message) # displayed messages
self.not_read_queue = EventQueue(self._send_read_notification) # not_read incoming messsages
self.history = ChatHistory()
self.msg_id_list = set() # prevent display of duplicate messages
self.local_uri = '%s@%s' % (account.id.username, account.id.domain)
self.remote_uri = '%s@%s' % (self.target_uri.user.decode(), self.target_uri.host.decode())
self.contact = selected_contact or SMSWindowManager.SMSWindowManager().getContact(self.remote_uri, addGroup=True)
self.display_name = self.contact.name if self.contact else display_name
self.is_replication_message = is_replication_message
self.load_remote_public_keys()
self.load_private_key()
NSBundle.loadNibNamed_owner_("SMSView", self)
self.chatViewController.setContentFile_(NSBundle.mainBundle().pathForResource_ofType_("ChatView", "html"))
self.chatViewController.setAccount_(self.account)
self.chatViewController.resetRenderedMessages()
self.chatViewController.inputText.unregisterDraggedTypes()
self.chatViewController.inputText.setMaxLength_(MAX_MESSAGE_LENGTH)
self.splitView.setText_(NSLocalizedString("%i chars left", "Label") % MAX_MESSAGE_LENGTH)
self.log_info('Using account %s with target %s' % (self.local_uri, self.target_uri))
if self.account.sms.private_key and self.public_key:
self.pgp_encrypted = True
self.notification_center.post_notification('PGPEncryptionStateChanged', sender=self)
self.notification_center.add_observer(self, name='ChatStreamOTREncryptionStateChanged')
self.notification_center.add_observer(self, name='BlinkContactsHaveChanged')
self.notification_center.add_observer(self, name='PGPPublicKeyReceived', sender=self.account)
if not self.is_replication_message:
self.lookup_destination(self.target_uri)
return self
@objc.python_method
def load_remote_public_keys(self):
public_key_path = "%s/%s.pubkey" % (self.keys_path, self.remote_uri)
if not os.path.exists(public_key_path):
self.requestPublicKey()
return
try:
self.public_key, _ = pgpy.PGPKey.from_file(public_key_path)
except Exception as e:
self.log_info('Cannot import PGP public key: %s' % str(e))
else:
self.log_info('PGP public key of %s imported from %s' % (self.remote_uri, public_key_path))
@objc.python_method
def load_private_key(self):
if self.account.enabled and not self.account.sms.private_key or not os.path.exists(self.account.sms.private_key):
self.generateKeys()
try:
self.private_key, _ = pgpy.PGPKey.from_file(self.account.sms.private_key)
except Exception as e:
self.log_info('Cannot import PGP private key: %s' % str(e))
else:
self.log_info('My PGP private key imported from %s' % self.account.sms.private_key)
public_key_path = "%s/%s.pubkey" % (self.keys_path, self.account.id)
try:
self.my_public_key, _ = pgpy.PGPKey.from_file(public_key_path)
except Exception as e:
self.log_info('Cannot import my own PGP public key: %s' % str(e))
else:
self.log_info('My PGP public key imported from %s' % public_key_path)
@objc.python_method
def generateKeys(self):
private_key = pgpy.PGPKey.new(PubKeyAlgorithm.RSAEncryptOrSign, 4096)
uid = pgpy.PGPUID.new(self.account.display_name, comment='Blink client', email=self.account.id)
private_key.add_uid(uid, usage={KeyFlags.Sign, KeyFlags.EncryptCommunications, KeyFlags.EncryptStorage},
hashes=[HashAlgorithm.SHA512],
ciphers=[SymmetricKeyAlgorithm.AES256],
compression=[CompressionAlgorithm.Uncompressed])
private_key_path = "%s/%s.privkey" % (self.keys_path, self.account.id)
fd = open(private_key_path, "wb+")
fd.write(str(private_key).encode())
fd.close()
BlinkLogger().log_info("My PGP private key saved to %s" % private_key_path)
public_key_path = "%s/%s.pubkey" % (self.keys_path, self.account.id)
fd = open(public_key_path, "wb+")
fd.write(str(private_key.pubkey).encode())
fd.close()
BlinkLogger().log_info("My PGP public key saved to %s" % public_key_path)
public_key_checksum = hashlib.sha1(str(private_key.pubkey).encode()).hexdigest()
self.account.sms.private_key = private_key_path
self.account.sms.public_key = public_key_path
self.account.sms.public_key_checksum = public_key_checksum
self.account.save()
@property
def enableIsComposing(self):
return self.account.sms.enable_composing
def dealloc(self):
if self.remoteTypingTimer:
self.remoteTypingTimer.invalidate()
if self.encryption.active:
self.stopEncryption()
self.chatViewController.close()
objc.super(SMSViewController, self).dealloc()
@objc.python_method
def heartbeat(self):
#self.log_info('--- We have a stack of %d messages' % len(self.messages.keys()))
for message in list(self.messages.values()):
if message.content_type in (IsComposingDocument.content_type, "text/pgp-public-key", "text/pgp-private-key"):
if ISOTimestamp.now() - message.timestamp > datetime.timedelta(seconds=30):
try:
self.messages.pop(message.id)
except KeyError:
pass
continue
if message.status != MSG_STATE_SENDING:
self.log_debug('Message id %s %s: %s' % (message.id, message.content_type, message.status))
else:
self.log_debug('Message id %s is sent by PJSIP: %s' % (message.id, message.pjsip_id))
if message.status == MSG_STATE_FAILED_LOCAL and not message.pjsip_id and ISOTimestamp.now() - message.timestamp > datetime.timedelta(seconds=20):
if host.default_ip is not None:
if self.account is BonjourAccount():
if self.bonjour_lookup_enabled:
self.log_info('Resending message %s' % message.id)
self.outgoing_queue.put(message)
else:
self.log_info('Resending message %s' % message.id)
self.outgoing_queue.put(message)
if not self.routes:
self.lookup_destination(self.target_uri)
else:
self.log_debug('Waiting for connectivity to resend message %s' % message.id)
continue
if message.status in (MSG_STATE_DELIVERED, MSG_STATE_FAILED, MSG_STATE_DISPLAYED, MSG_STATE_SENT):
try:
self.messages.pop(message.id)
except KeyError:
pass
if host.default_ip and (not self.last_route or self.paused):
self.lookup_destination(self.target_uri)
elif not host.default_ip and self.last_route:
self.last_route = None
self.stop_queue()
def awakeFromNib(self):
# setup smiley popup
smileys = SmileyManager().get_smiley_list()
menu = self.smileyButton.menu()
while menu.numberOfItems() > 0:
menu.removeItemAtIndex_(0)
bigText = NSAttributedString.alloc().initWithString_attributes_(" ", NSDictionary.dictionaryWithObject_forKey_(NSFont.systemFontOfSize_(16), NSFontAttributeName))
for text, file in smileys:
image = NSImage.alloc().initWithContentsOfFile_(file)
if not image:
continue
image.setScalesWhenResized_(True)
image.setSize_(NSMakeSize(16, 16))
atext = bigText.mutableCopy()
atext.appendAttributedString_(NSAttributedString.alloc().initWithString_(text))
item = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_(text, "insertSmiley:", "")
menu.addItem_(item)
item.setTarget_(self)
item.setAttributedTitle_(atext)
item.setRepresentedObject_(NSAttributedString.alloc().initWithString_(text))
item.setImage_(image)
@objc.python_method
def revalidateToolbar(self):
pass
@objc.python_method
def isOutputFrameVisible(self):
return True
@objc.python_method
def log_info(self, text):
BlinkLogger().log_info("[SMS with %s] %s" % (self.instance_id or self.remote_uri, text))
@objc.python_method
def log_debug(self, text):
BlinkLogger().log_debug("[SMS with %s] %s" % (self.instance_id or self.remote_uri, text))
@objc.python_method
def log_error(self, text):
BlinkLogger().log_error("[SMS with %s] %s" % (self.instance_id or self.remote_uri, text))
@objc.IBAction
def addContactPanelClicked_(self, sender):
if sender.tag() == 1:
NSApp.delegate().contactsWindowController.addContact(uris=[(self.target_uri, 'sip')])
self.addContactView.removeFromSuperview()
frame = self.chatViewController.outputView.frame()
frame.origin.y = 0
frame.size = self.outputContainer.frame().size
self.chatViewController.outputView.setFrame_(frame)
@objc.python_method
def delete_message(self, id, local=False):
self.log_info('Delete message %s ' % id)
self.history.delete_message(id);
self.chatViewController.markMessage(id, 'deleted')
if not local:
self.sendMessage(id, 'application/sylk-api-message-remove')
@objc.python_method
def messages_read(self):
for message in self.messages.values():
if message.content_type not in (IsComposingDocument.content_type, IMDNDocument.content_type):
self.update_message_status(message.id, MSG_STATE_DISPLAYED)
@objc.python_method
def insertSmiley_(self, sender):
smiley = sender.representedObject()
self.chatViewController.appendAttributedString_(smiley)
@objc.python_method
def matchesTargetOrInstanceAndAccount(self, target, instance_id, account):
that_contact = NSApp.delegate().contactsWindowController.getFirstContactMatchingURI(target)
this_contact = NSApp.delegate().contactsWindowController.getFirstContactMatchingURI(self.target_uri)
if instance_id is not None and instance_id == self.instance_id:
return True
m = (self.target_uri==target or (this_contact and that_contact and this_contact==that_contact)) and self.account==account
#self.log_info('Viewer match with target %s and account %s: %s' % (target, account, m))
return m
@objc.python_method
def gotMessage(self, sender_identity, id, call_id, direction, content, content_type, is_replication_message=False, window=None, cpim_imdn_events=None, imdn_timestamp=None, account=None, imdn_message_id=None, from_journal=False, status=None):
self.is_replication_message = is_replication_message
if id in self.msg_id_list:
self.log_debug('Discard duplicate message %s' % id)
return
if id in self.sent_readable_messages:
self.log_info('Discard message %s that looped back to myself' % id)
return
message_tuple = (sender_identity, id, call_id, direction, content, content_type, is_replication_message, window, cpim_imdn_events, imdn_timestamp, account, imdn_message_id, status)
self.incoming_queue.put(message_tuple)
@objc.python_method
def _receive_message(self, message_tuple):
(sender_identity, id, call_id, direction, content, content_type, is_replication_message, window, cpim_imdn_events, imdn_timestamp, account, imdn_message_id, status) = message_tuple
if content_type in ('text/pgp-public-key', 'text/pgp-private-key'):
return
icon = NSApp.delegate().contactsWindowController.iconPathForURI(format_identity_to_string(sender_identity))
sender_name = format_identity_to_string(sender_identity, format='compact')
if direction == 'incoming':
sender_name = self.normalizeSender(sender_name)
try:
timestamp=ISOTimestamp(imdn_timestamp)
except (DateParserError, TypeError) as e:
#self.log_error('Failed to parse timestamp %s for message id %s: %s' % (imdn_timestamp, id, str(e)))
timestamp = ISOTimestamp.now()
try:
require_delivered_notification = imdn_timestamp and cpim_imdn_events and 'positive-delivery' in cpim_imdn_events and direction == 'incoming' and content_type != IMDNDocument.content_type
require_displayed_notification = imdn_timestamp and cpim_imdn_events and 'display' in cpim_imdn_events and direction == 'incoming' and content_type != IMDNDocument.content_type
is_html = content_type == 'text/html'
encrypted = False
text_content = content.decode().strip()
if text_content.startswith('-----BEGIN PGP MESSAGE-----') and text_content.endswith('-----END PGP MESSAGE-----'):
if not self.private_key:
self.chatViewController.showSystemMessage("No PGP private key available", ISOTimestamp.now(), is_error=True)
return
else:
try:
pgpMessage = pgpy.PGPMessage.from_blob(text_content)
decrypted_message = self.private_key.decrypt(pgpMessage)
except (pgpy.errors.PGPDecryptionError, pgpy.errors.PGPError) as e:
if self.pgp_encrypted:
self.pgp_encrypted = False
self.notification_center.post_notification('PGPEncryptionStateChanged', sender=self)
#self.chatViewController.showSystemMessage("PGP decryption error: %s" % str(e), ISOTimestamp.now(), is_error=True)
self.chatViewController.showMessage(call_id, id, direction, sender_name, icon, "PGP decryption error: %s" % str(e), timestamp, state=MSG_STATE_FAILED, media_type='sms')
self.log_error('PGP decrypt error: %s' % str(e))
if require_delivered_notification:
self.sendIMDNNotification(id, 'failed')
return
else:
self.log_info('PGP message %s decrypted' % id)
if not self.pgp_encrypted:
self.pgp_encrypted = True
self.notification_center.post_notification('PGPEncryptionStateChanged', sender=self)
try:
content = bytes(decrypted_message.message, 'latin1')
except TypeError as e:
self.log_error('Data decode error: %s' % str(e))
self.log_error('Decrypted data type: %s' % type(decrypted_message.message))
self.log_error('Decrypted data: %s' % decrypted_message)
return
else:
self.pgp_encrypted = False
if content_type not in (IsComposingDocument.content_type, IMDNDocument.content_type) and not is_replication_message:
self.sendMyPublicKey()
try:
content = self.encryption.otr_session.handle_input(content, content_type)
except IgnoreMessage:
self.log_info('OTR message %s received' % call_id)
return None
except UnencryptedMessage:
self.log_info('OTR in use but unencrypted message received')
encrypted = False
encryption_active = True
except EncryptedMessageError as e:
self.log_info('OTP encrypted message error: %s' % str(e))
return None
except OTRFinishedError:
self.chatViewController.showSystemMessage("Recipient ended OTR encryption", ISOTimestamp.now(), is_error=True)
self.log_info('OTR has finished')
encrypted = False
encryption_active = False
except OTRError as e:
self.log_info('OTP error: %s' % str(e))
return None
else:
#self.log_info('OTR message %s handled without error' % call_id)
encrypted = encryption_active = self.encryption.active
try:
content = content.decode() if isinstance(content, bytes) else content
except UnicodeDecodeError:
return
if content.startswith('?OTR:'):
if not is_replication_message:
self.log_info('Dropped %s OTR message that could not be decoded' % content_type)
self.chatViewController.showSystemMessage("Recipient ended OTR encryption", ISOTimestamp.now(), is_error=True)
if self.encryption.active:
self.stopEncryption()
else:
self.chatViewController.showSystemMessage("OTR encrypted message from another device of my own", ISOTimestamp.now())
return None
msg_id = imdn_message_id if imdn_message_id and is_replication_message else id
if msg_id in self.msg_id_list:
return
self.msg_id_list.add(msg_id)
status = status or MSG_STATE_DELIVERED
if require_delivered_notification:
self.sendIMDNNotification(id, 'delivered')
if not is_replication_message and not window.isKeyWindow() and status != 'displayed':
nc_body = html2txt(content) if is_html else content
nc_title = NSLocalizedString("Message Received", "Label")
nc_subtitle = format_identity_to_string(sender_identity, format='full')
NSApp.delegate().gui_notify(nc_title, nc_body, nc_subtitle)
if encrypted:
encryption = 'verified' if self.encryption.verified or self.pgp_encrypted else 'unverified'
elif self.pgp_encrypted:
encryption = 'verified'
else:
encryption = ''
self.chatViewController.showMessage(call_id, msg_id, direction, sender_name, icon, content, timestamp, is_html=is_html, state=status, media_type='sms', encryption=encryption)
self.notification_center.post_notification('ChatViewControllerDidDisplayMessage', sender=self, data=NotificationData(id=msg_id, direction=direction, history_entry=False, status=status, is_replication_message=is_replication_message, remote_party=format_identity_to_string(sender_identity), local_party=format_identity_to_string(self.account) if self.account is not BonjourAccount() else 'bonjour@local', check_contact=True))
# save to history
recipient = ChatIdentity(self.target_uri, self.display_name) if direction == 'outgoing' else ChatIdentity(self.account.uri, self.account.display_name)
if direction == 'outgoing' and not sender_identity.display_name:
try:
sender_identity.display_name = self.account.display_name
except AttributeError:
# this happens for replicated messages where we have FrozenIdentityHeader received from network
pass
mInfo = MessageInfo(msg_id, call_id=call_id, direction=direction, sender=sender_identity, recipient=recipient, timestamp=timestamp, content=content, content_type=content_type, status=status, encryption=encryption, require_displayed_notification=require_displayed_notification, require_delivered_notification=require_delivered_notification)
self.add_to_history(mInfo)
if require_displayed_notification:
self.not_read_queue.put(msg_id)
except Exception as e:
self.log_info('Error in render_message: %s' % str(e))
self.log_info(message_tuple)
import traceback
self.log_info(traceback.format_exc())
@objc.python_method
def _send_read_notification(self, id):
if id is None:
return
self.log_info('Send read notification for message %s' % id)
self.sendIMDNNotification(id, 'displayed')
def remoteBecameIdle_(self, timer):
window = timer.userInfo()
if window:
window.noteView_isComposing_(self, False)
if self.remoteTypingTimer:
self.remoteTypingTimer.invalidate()
self.remoteTypingTimer = None
@objc.python_method
def gotIsComposing(self, window, state, refresh, last_active):
flag = state == "active"
if flag:
if refresh is None:
refresh = 120
if last_active is not None and (last_active - ISOTimestamp.now() > datetime.timedelta(seconds=refresh)):
# message is old, discard it
return
if self.remoteTypingTimer:
# if we don't get any indications in the request refresh, then we assume remote to be idle
self.remoteTypingTimer.setFireDate_(NSDate.dateWithTimeIntervalSinceNow_(refresh))
else:
self.remoteTypingTimer = NSTimer.scheduledTimerWithTimeInterval_target_selector_userInfo_repeats_(refresh, self, "remoteBecameIdle:", window, False)
else:
if self.remoteTypingTimer:
self.remoteTypingTimer.invalidate()
self.remoteTypingTimer = None
window.noteView_isComposing_(self, flag)
@objc.python_method
@run_in_gui_thread
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification.sender, notification.data)
@objc.python_method
def inject_otr_message(self, data):
messageObject = OTRInternalMessage(data)
self.sendMessage(messageObject)
@objc.python_method
def _NH_PGPPublicKeyReceived(self, stream, data):
if data.uri != self.remote_uri:
return
self.log_info("Public PGP key for %s was updated" % self.remote_uri)
self.load_remote_public_keys()
@objc.python_method
def _NH_BlinkContactsHaveChanged(self, sender, data):
self.bonjour_lookup_enabled = True
@objc.python_method
def _NH_ChatStreamOTREncryptionStateChanged(self, stream, data):
try:
if data.new_state is OTRState.Encrypted:
local_fingerprint = stream.encryption.key_fingerprint
remote_fingerprint = stream.encryption.peer_fingerprint
self.log_info("Chat encryption activated using OTR protocol")
self.log_info("OTR local fingerprint %s" % local_fingerprint)
self.log_info("OTR remote fingerprint %s" % remote_fingerprint)
self.chatViewController.showSystemMessage("OTR encryption enabled", ISOTimestamp.now())
elif data.new_state is OTRState.Finished:
self.log_info("OTR encryption has finished")
self.chatViewController.showSystemMessage("OTR encryption has finished", ISOTimestamp.now(), is_error=True)
elif data.new_state is OTRState.Plaintext:
self.log_info("OTR encryption has been deactivated")
self.chatViewController.showSystemMessage("OTR encryption has been deactivated", ISOTimestamp.now(), is_error=True)
except:
import traceback
traceback.print_exc()
@objc.python_method
def update_message_status(self, id, status, direction='outgoing'):
self.log_info("Message %s is %s" % (id, status))
self.history.update_message_status(id, status)
if direction == 'outgoing':
self.chatViewController.markMessage(id, status)
@objc.python_method
def add_to_history(self, message):
self.log_info('%s %s message with id %s saved with status %s' % (message.direction.title(), message.content_type, message.id, message.status))
# writes the record to the sql database
cpim_to = format_identity_to_string(message.recipient, format='full') if message.recipient else ''
cpim_from = format_identity_to_string(message.sender, format='full') if message.sender else ''
cpim_timestamp = str(message.timestamp)
remote_uri = self.instance_id if (self.account is BonjourAccount() and self.instance_id) else self.remote_uri
self.msg_id_list.add(message.id)
self.history.add_message(message.id, 'sms', self.local_uri, remote_uri, message.direction, cpim_from, cpim_to, cpim_timestamp, message.content.decode(), message.content_type, "0", message.status, call_id=message.call_id, encryption=message.encryption)
@objc.python_method
def sendIMDNNotification(self, message_id, event):
if not self.account.sms.enable_imdn:
return
notification = DisplayNotification('displayed') if event == 'displayed' else DeliveryNotification(event)
content = IMDNDocument.create(message_id=message_id, datetime=ISOTimestamp.now(), recipient_uri=self.target_uri, notification=notification)
#self.log_info('Composing IMDN %s for message %s' % (event, message_id))
self.sendMessage(content, IMDNDocument.content_type)
@objc.python_method
def sendMyPublicKey(self, force=False):
if self.public_key_sent and not force:
return
if not self.account.sms.enable_pgp:
return
if not self.account.sms.private_key or not self.private_key:
return
public_key_path = "%s/%s.pubkey" % (self.keys_path, self.account.id)
try:
public_key = open(public_key_path, 'rb').read()
except Exception as e:
BlinkLogger().log_info('Cannot import my own PGP public key: %s' % str(e))
else:
self.log_info('Send my public key')
self.public_key_sent = True
self.sendMessage(public_key.decode(), 'text/pgp-public-key')
@objc.python_method
@run_in_gui_thread
def sendMessage(self, content, content_type="text/plain"):
# entry point for sending messages, they will be added to self.outgoing_queue
status = MSG_STATE_FAILED_LOCAL if self.paused else 'queued'
if host.default_ip:
if isinstance(content, OTRInternalMessage):
self.outgoing_queue.put(content)
return
else:
status = MSG_STATE_FAILED_LOCAL
timestamp = ISOTimestamp.now()
content = content.decode() if isinstance(content, bytes) else content
id = str(uuid.uuid4()) # use IMDN compatible id
if self.encryption.active:
encryption = 'verified' if self.encryption.verified else 'unverified'
elif self.pgp_encrypted:
encryption = 'verified'
else:
encryption = ''
if content_type == 'application/sylk-api-conversation-read':
recipient = ChatIdentity(self.local_uri)
else:
recipient = ChatIdentity(self.target_uri, self.display_name)
mInfo = MessageInfo(id, sender=self.account, recipient=recipient, timestamp=timestamp, content_type=content_type, content=content, status=status, encryption=encryption)
if self.is_renderable(mInfo):
icon = NSApp.delegate().contactsWindowController.iconPathForSelf()
self.chatViewController.showMessage('', id, 'outgoing', None, icon, content, timestamp, state=status, media_type='sms', encryption=encryption)
self.add_to_history(mInfo)
self.messages[mInfo.id] = mInfo
if content_type in ('application/sylk-message-remove', 'application/sylk-conversation-read', 'application/sylk-conversation-remove'):
self.add_to_history(mInfo)
self.messages[mInfo.id] = mInfo
if mInfo.status != MSG_STATE_FAILED_LOCAL:
self.log_info('Adding outgoing %s %s message %s to the sending queue' % (id, status, content_type))
self.outgoing_queue.put(mInfo)
if host.default_ip and (not self.last_route or self.paused):
self.lookup_destination(self.target_uri)
if content_type == 'application/sylk-conversation-read':
self.lookup_dns(self.account.id)
else:
self.lookup_destination(self.target_uri)
@objc.python_method
def lookup_destination(self, uri):
if self.dns_lookup_in_progress:
return
self.dns_lookup_in_progress = True
if host is None or host.default_ip is None:
self.setRoutesFailed(NSLocalizedString("No Internet connection", "Label"))
return
if self.account is BonjourAccount():
if not self.bonjour_lookup_enabled:
return
blink_contact = NSApp.delegate().contactsWindowController.getBonjourContact(self.instance_id, str(uri))
if blink_contact:
uri = SIPURI.parse(str(blink_contact.uri))
route = Route(address=uri.host, port=uri.port, transport=uri.transport, tls_name=self.account.sip.tls_name or uri.host)
self.target_uri = uri
self.log_info('Found Bonjour neighbour %s with uri %s' % (self.instance_id, str(self.target_uri)))
self.setRoutesResolved([route])
else:
self.setRoutesFailed('Bonjour neighbour %s not found' % self.instance_id)
return
else:
self.log_info("Lookup destination for %s" % uri)
self.lookup_dns(uri)
@objc.python_method
@run_in_green_thread
def lookup_dns(self, target_uri):
self.log_info("Lookup DNS for %s" % target_uri)
settings = SIPSimpleSettings()
lookup = DNSLookup()
self.notification_center.add_observer(self, sender=lookup)
tls_name = target_uri.host.decode()
if self.account is not BonjourAccount():
if self.account.id.domain == target_uri.host.decode():
tls_name = self.account.sip.tls_name or self.account.id.domain
elif "isfocus" in str(target_uri) and target_uri.host.decode().endswith(self.account.id.domain):
tls_name = self.account.conference.tls_name or self.account.sip.tls_name or self.account.id.domain
else:
if "isfocus" in str(target_uri) and self.account.conference.tls_name:
tls_name = self.account.conference.tls_name
if self.account.sip.outbound_proxy is not None:
proxy = self.account.sip.outbound_proxy
uri = SIPURI(host=proxy.host, port=proxy.port, parameters={'transport': proxy.transport})
tls_name = self.account.sip.tls_name or proxy.host
self.log_info("Starting DNS lookup for %s via proxy %s" % (target_uri.host.decode(), uri))
elif self.account.sip.always_use_my_proxy:
uri = SIPURI(host=self.account.id.domain)
tls_name = self.account.sip.tls_name or self.account.id.domain
self.log_info("Starting DNS lookup for %s via proxy of account %s" % (target_uri.host.decode(), self.account.id))
else:
uri = target_uri
self.log_info("Starting DNS lookup for %s" % target_uri.host.decode())
lookup.lookup_sip_proxy(uri, settings.sip.transport_list, tls_name=tls_name)
@objc.python_method
def _NH_DNSLookupDidFail(self, lookup, data):
self.dns_lookup_in_progress = False
self.notification_center.remove_observer(self, sender=lookup)
message = "DNS lookup for %s failed" % self.target_uri.host.decode()
self.log_info(message)
self.setRoutesFailed(message)
@objc.python_method
def _NH_DNSLookupDidSucceed(self, lookup, data):
self.dns_lookup_in_progress = False
self.notification_center.remove_observer(self, sender=lookup)
result_text = ', '.join(('%s:%s (%s)' % (result.address, result.port, result.transport.upper()) for result in data.result))
self.log_info("DNS lookup for %s succeeded: %s" % (self.target_uri.host.decode(), result_text))
self.setRoutesResolved(data.result)
@objc.python_method
@run_in_gui_thread
def setRoutesResolved(self, routes):
self.routes = routes
if self.routes[0] and self.routes[0] != self.last_route:
self.last_route = self.routes[0]
self.log_info('Using route %s' % self.last_route)
if not self.last_route:
return
self.start_queue()
if not self.encryption.active and self.account.sms.enable_otr:
self.startEncryption()
@objc.python_method
def setRoutesFailed(self, reason):
self.last_route = None
self.dns_lookup_in_progress = False
self.stop_queue()
if self.last_failure_reason != reason:
self.chatViewController.showSystemMessage(reason, ISOTimestamp.now(), True)
self.last_failure_reason = reason
for message in self.messages.values():
if message.content_type not in (IsComposingDocument.content_type, IMDNDocument.content_type):
status = MSG_STATE_FAILED if self.account is BonjourAccount() else MSG_STATE_FAILED_LOCAL
self.log_info('Routing message %s set to status %s' % (message.id, status))
self.update_message_status(message.id, status)
message.status = status
#self.bonjour_lookup_enabled = False
@objc.python_method
def start_queue(self):
if self.started:
if self.paused:
self.outgoing_queue.unpause()
if len(self.outgoing_queue.queue.queue) > 0:
self.log_debug('Sendind queue resumed with %d messages' % len(self.outgoing_queue.queue.queue))
self.paused = False
else:
self.started = True
try:
self.outgoing_queue.start()
self.log_debug('Sending queue started')
except RuntimeError:
pass
@objc.python_method
def stop_queue(self):
if self.paused:
return
self.log_debug('Sending queue paused with %d messages' % len(self.outgoing_queue.queue.queue))
self.paused = True
self.outgoing_queue.pause()
# work around for the queue that still runs on next tick
self.outgoing_queue.put(None)
@objc.python_method
def send_read_messages_notifications(self):
return
#TODO: send message to myself
not_read_messages = len(self.not_read_queue.queue.queue)
if not_read_messages:
payload = json.dumps({'contact': self.remote_uri})
self.sendMessage(payload, 'application/sylk-api-conversation-read')
@objc.python_method
def not_read_queue_start(self):
not_read_messages = len(self.not_read_queue.queue.queue)
if self.not_read_queue_started:
if self.not_read_queue_paused:
if len(self.not_read_queue.queue.queue):
self.log_debug('Display notifications queue resumed with %d pending messages' % not_read_messages)
else:
self.log_debug('Display notifications queue resumed')
self.not_read_queue.unpause()
self.not_read_queue_paused = False
else:
try:
self.not_read_queue.start()
self.not_read_queue_started = True
except RuntimeError as e:
pass
@objc.python_method
def not_read_queue_stop(self):
if len(self.not_read_queue.queue.queue):
self.log_debug('Display notifications queue paused with %d messages' % len(self.not_read_queue.queue.queue))
else:
self.log_debug('Display notifications queue paused')
self.not_read_queue_paused = True
self.not_read_queue.pause()
# work around for the queue that still runs on next tick
self.not_read_queue.put(None)
@objc.python_method
def is_renderable(self, message):
if isinstance(message, OTRInternalMessage):
return False
if message.content_type in (IsComposingDocument.content_type, IMDNDocument.content_type, 'text/pgp-public-key', 'text/pgp-private-key', 'application/sylk-api-pgp-key-lookup', 'application/sylk-api-message-remove', 'application/sylk-api-conversation-read', 'application/sylk-api-conversation-remove', 'application/sylk-conversation-read', 'application/sylk-conversation-remove', 'application/sylk-message-remove'):
return False