Added IMDN support

blink/__init__.py

@@ -174,6 +174,9 @@ class Blink(QApplication, metaclass=QSingleton):
                     self.main_window.conference_dialog.close()
                     self.main_window.filetransfer_window.close()
                     self.main_window.preferences_window.close()
+        if watched is self.chat_window:
+            if event.type() == QEvent.WindowActivate:
+                watched.send_pending_imdn_messages(watched.selected_session)
         return False
 
     def customEvent(self, event):

blink/chatwindow.py

@@ -1551,6 +1551,8 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         if geometry:
             self.restoreGeometry(geometry)
 
+        self.pending_displayed_notifications = {}
+
         notification_center = NotificationCenter()
         notification_center.add_observer(self, name='SIPApplicationDidStart')
         notification_center.add_observer(self, name='BlinkSessionNewIncoming')
@@ -1572,6 +1574,7 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         notification_center.add_observer(self, name='MediaStreamWillEnd')
         notification_center.add_observer(self, name='BlinkGotMessage')
         notification_center.add_observer(self, name='BlinkGotComposingIndication')
+        notification_center.add_observer(self, name='BlinkGotDispositionNotification')
         notification_center.add_observer(self, name='BlinkMessageDidSucceed')
         notification_center.add_observer(self, name='BlinkMessageDidFail')
 
@@ -2025,7 +2028,7 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
     def closeEvent(self, event):
         QSettings().setValue("chat_window/geometry", self.saveGeometry())
         super(ChatWindow, self).closeEvent(event)
-
+ 
     def eventFilter(self, watched, event):
         event_type = event.type()
         if watched is self.session_widget:
@@ -2152,6 +2155,12 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         painter.drawLine(-3.5, 3.5, 3.5, -3.5)
         painter.restore()
 
+    def send_pending_imdn_messages(self, session):
+        if session and session.blink_session in self.pending_displayed_notifications:
+            item = self.pending_displayed_notifications.pop(self.selected_session.blink_session)
+            for (id, timestamp) in item:
+                MessageManager().send_imdn_message(session.blink_session, id, timestamp, 'displayed')
+
     @run_in_gui_thread
     def handle_notification(self, notification):
         handler = getattr(self, '_NH_%s' % notification.name, Null)
@@ -2313,6 +2322,12 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 
         session.chat_widget.add_message(ChatMessage(content, sender, 'incoming', id=message.id))
 
+        if message.disposition is not None and 'display' in message.disposition:
+            if self.selected_session.blink_session is blink_session and not self.isMinimized() and self.isActiveWindow():
+                MessageManager().send_imdn_message(blink_session, message.id, message.timestamp, 'displayed')
+            else:
+                self.pending_displayed_notifications.setdefault(blink_session, []).append((message.id, message.timestamp))
+
         session.remote_composing = False
         settings = SIPSimpleSettings()
         if settings.sounds.play_message_alerts and self.selected_session is session:
@@ -2326,6 +2341,14 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
             return
         session.update_composing_indication(notification.data)
 
+    def _NH_BlinkGotDispositionNotification(self, notification):
+        blink_session = notification.sender
+        session = blink_session.items.chat
+        if session is None:
+            return
+        data = notification.data
+        session.chat_widget.update_message_status(id=data.id, status=data.status)
+
     def _NH_BlinkMessageDidSucceed(self, notification):
         blink_session = notification.sender
         session = blink_session.items.chat
@@ -2580,6 +2603,8 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
             self.session_details.setCurrentWidget(self.selected_session.active_panel)
             self.participants_list.setModel(self.selected_session.participants_model)
             self.control_button.setEnabled(True)
+            if not self.isMinimized():
+               self.send_pending_imdn_messages(self.selected_session)
         else:
             self.tab_widget.setCurrentWidget(self.dummy_tab)
             self.session_details.setCurrentWidget(self.info_panel)

blink/messages.py

@@ -11,7 +11,7 @@ from sipsimple.configuration.settings import SIPSimpleSettings
 from sipsimple.core import SIPURI, FromHeader, ToHeader, Message, RouteHeader
 from sipsimple.lookup import DNSLookup
 from sipsimple.payloads.iscomposing import IsComposingDocument, IsComposingMessage, State, LastActive, Refresh, ContentType
-from sipsimple.payloads.imdn import IMDNDocument
+from sipsimple.payloads.imdn import IMDNDocument, DeliveryNotification, DisplayNotification
 from sipsimple.streams.msrp.chat import CPIMPayload, CPIMParserError, CPIMNamespace, CPIMHeader, ChatIdentity, Message as MSRPChatMessage, SimplePayload
 from sipsimple.util import ISOTimestamp
 
@@ -34,6 +34,7 @@ class BlinkMessage(MSRPChatMessage):
 @implementer(IObserver)
 class OutgoingMessage(object):
     __ignored_content_types__ = {IsComposingDocument.content_type, IMDNDocument.content_type} #Content types to ignore in notifications
+    __disabled_imdn_content_types__ = {'text/pgp-public-key', 'text/pgp-private-key'}.union(__ignored_content_types__) #Content types to ignore in notifications
 
     def __init__(self, account, contact, content, content_type='text/plain', recipients=None, courtesy_recipients=None, subject=None, timestamp=None, required=None, additional_headers=None, id=None):
         self.lookup = None
@@ -136,11 +137,20 @@ class OutgoingMessage(object):
 
     def _NH_SIPMessageDidSucceed(self, notification):
         notification_center = NotificationCenter()
+        if self.content_type.lower() in self.__ignored_content_types__:
+            if self.content_type.lower() == IMDNDocument.content_type:
+                document = IMDNDocument.parse(self.content)
+                imdn_message_id = document.message_id.value
+                imdn_status = document.notification.status.__str__()
+                notification_center.post_notification('BlinkDidSendDispositionNotification', sender=self.session, data=NotificationData(id=imdn_message_id, status=imdn_status))
+            return
+
         notification_center.post_notification('BlinkMessageDidSucceed', sender=self.session, data=NotificationData(data=notification.data, id=self.id))
 
     def _NH_SIPMessageDidFail(self, notification):
         if self.content_type.lower() in self.__ignored_content_types__:
             return
+
         notification_center = NotificationCenter()
         notification_center.post_notification('BlinkMessageDidFail', sender=self.session, data=NotificationData(data=notification.data, id=self.id))
 
@@ -226,12 +236,28 @@ class MessageManager(object, metaclass=Singleton):
                 return
 
             timestamp = str(cpim_message.timestamp) if cpim_message is not None and cpim_message.timestamp is not None else str(ISOTimestamp.now())
-            message = BlinkMessage(body, content_type, sender, timestamp=timestamp, id=message_id)
+
+            if account.sms.use_cpim and account.sms.enable_imdn and content_type.lower() == IMDNDocument.content_type:
+                # print("-- IMDN received")
+                document = IMDNDocument.parse(body)
+                imdn_message_id = document.message_id.value
+                imdn_status = document.notification.status.__str__()
+                imdn_datetime = document.datetime.__str__()
+                notification_center.post_notification('BlinkGotDispositionNotification', sender=blink_session, data=NotificationData(id=imdn_message_id, status=imdn_status))
+                return
+
+
+            message = BlinkMessage(body, content_type, sender, timestamp=timestamp, id=message_id, disposition=disposition)
+            notification_center.post_notification('BlinkMessageIsParsed', sender=blink_session, data=message)
+
+            if disposition is not None and 'positive-delivery' in disposition:
+                # print("-- Should send delivered imdn")
+                self.send_imdn_message(blink_session, message_id, timestamp, 'delivered')
 
             notification_center.post_notification('BlinkGotMessage', sender=blink_session, data=message)
         else:
-            pass
             # TODO handle replicated messages
+            pass
 
     def _NH_BlinkSessionWasCreated(self, notification):
         self.sessions.append(notification.sender)
@@ -248,6 +274,25 @@ class MessageManager(object, metaclass=Singleton):
 
         self.send_message(session.account, session.contact, content, IsComposingDocument.content_type)
 
+    def send_imdn_message(self, session, id, timestamp, state):
+        if not session.account.sms.use_cpim and not session.account.sms.enable_imdn:
+            return
+
+        # print(f"-- Will send imdn for {id} -> {state}")
+        if state == 'delivered':
+            notification = DeliveryNotification(state)
+        elif state == 'displayed':
+            notification = DisplayNotification(state)
+        elif state == 'error':
+            notification = DisplayNotification(state)
+
+        content = IMDNDocument.create(message_id=id,
+                                      datetime=timestamp,
+                                      recipient_uri=session.contact.uri.uri,
+                                      notification=notification)
+
+        self.send_message(session.account, session.contact, content, IMDNDocument.content_type)
+
     def send_message(self, account, contact, content, content_type='text/plain', recipients=None, courtesy_recipients=None, subject=None, timestamp=None, required=None, additional_headers=None, id=None):
         blink_session = next(session for session in self.sessions if session.reusable and session.contact.settings is contact.settings)