interface for SAS

src/common/stanza_session.py

@@ -561,7 +561,7 @@ def accept_e2e_alice(self, form, negotiated):
 		# check for a retained secret
 		# if none exists, prompt the user with the SAS
 		if self.sas_algs == 'sas28x5':
-			print "sas: %s" % self.sas_28x5(m_a, self.form_b)
+			self.sas = self.sas_28x5(m_a, self.form_b)
 			
 		result.addChild(node=xmpp.DataField(name='identity', value=base64.b64encode(id_a)))
 		result.addChild(node=xmpp.DataField(name='mac', value=base64.b64encode(m_a)))
@@ -629,7 +629,7 @@ def accept_e2e_bob(self, form):
 		# check for a retained secret
 		# if none exists, prompt the user with the SAS
 		if self.sas_algs == 'sas28x5':
-			print "sas: %s" % self.sas_28x5(m_a, self.form_b)
+			self.sas = self.sas_28x5(m_a, self.form_b)
 
 		k = self.sha256(k + self.srs + oss)
 

src/gajim.py

@@ -1699,10 +1699,12 @@ def reject_nondefault_options(widget):
 
 			if ask_user:
 				def accept_nondefault_options(widget):
+					dialog.destroy()
+
 					negotiated.update(ask_user)
 					session.accept_e2e_alice(form, negotiated)
 
-					dialog.destroy()
+					negotiation.show_sas_dialog(jid, session.sas)
 
 				def reject_nondefault_options(widget):
 					session.reject_negotiation()
@@ -1714,10 +1716,13 @@ def reject_nondefault_options(widget):
 						on_response_no = reject_nondefault_options)
 			else:
 				session.accept_e2e_alice(form, negotiated)
+				
+				negotiation.show_sas_dialog(jid, session.sas)
 
 			return
 		elif session.status == 'responded-e2e' and form.getType() == 'result':
 			session.accept_e2e_bob(form)
+			negotiation.show_sas_dialog(jid, session.sas)
 			return
 		elif session.status == 'identified-alice' and form.getType() == 'result':
 			session.final_steps_alice(form)

src/negotiation.py

 import gtkgui_helpers
 import dataforms_widget
 
+import dialogs
+
 from common import dataforms
 from common import gajim
 from common import xmpp
@@ -8,9 +10,14 @@
 def describe_features(features):
 	'''a human-readable description of the features that have been negotiated'''
 	if features['logging'] == 'may':
-		return '- messages will be logged'
+		return _('- messages will be logged')
 	elif features['logging'] == 'mustnot':
-		return '- messages will not be logged'
+		return _('- messages will not be logged')
+
+def show_sas_dialog(jid, sas):
+	dialogs.InformationDialog(_('''Verify the remote client's identity'''), _('''You've begun an encrypted session with %s, but it can't be guaranteed that you're talking directly to the person you think you are.
+
+You should speak with them directly (in person or on the phone) and confirm that their Short Authentication String is identical to this one: %s''') % (jid, sas))
 
 class FeatureNegotiationWindow:
 	'''FeatureNegotiotionWindow class'''