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added "send" trigger point as the last one before sending, can be used for e2e encryption

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Goffi 2017-02-04 17:59:15 +01:00
commit 13e2e50cb0
1 changed files with 16 additions and 0 deletions
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16
src/core/xmpp.py
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@ -25,6 +25,7 @@ from twisted.words.protocols.jabber.xmlstream import XMPPHandler
from twisted.words.protocols.jabber import xmlstream
from twisted.words.protocols.jabber import error
from twisted.words.protocols.jabber import jid
from twisted.words.xish import domish
from twisted.python import failure
from wokkel import client as wokkel_client, disco, xmppim, generic, iwokkel
from wokkel import delay
@ -93,6 +94,21 @@ class SatXMPPClient(wokkel_client.XMPPClient):
iq_error_elt = error.StanzaError(condition).toResponse(iq_elt)
self.xmlstream.send(iq_error_elt)
def send(self, obj):
# original send method accept string
# but we restrict to domish.Element to make trigger treatments easier
assert isinstance(obj, domish.Element)
# XXX: this trigger is the last one before sending stanza on wire
# is it is intended for things like end 2 end encryption.
# *DO NOT* cancel (i.e. return False) without very good reason
# (out of band transmission for instance).
# e2e should have a priority of 0 here, and out of band transmission
# a lower priority
if not self.host_app.trigger.point("send", self, obj):
return
return super(SatXMPPClient, self).send(obj)
def _authd(self, xmlstream):
if not self.host_app.trigger.point("XML Initialized", xmlstream, self.profile):
return