def handle(self, tree, msg, lastRetVal=None):
# find connections of the user's JID
try:
jid = JID(tree.get('to'))
except:
logging.debug("[%s] Couldn't create a JID from %s", self.__class__,
tree.get('to'))
return
jids = msg.conn.server.launcher.getC2SServer().data['resources']
resources = jids.get(jid.getBare())
if not resources:
return
lastPresences = []
for res, con in resources.items():
lp = con.data['user']['lastPresence']
if lp is not None:
lpcopy = deepcopy(lp) # keep the last presence intact
# modify the copy to include the 'to' attr for s2s routing
lpcopy.set('to', tree.get('from'))
lastPresences.append(lpcopy)
if lastPresences:
d = {
'to': tree.get('from'),
'data': lastPresences,
}
msg.setNextHandler('route-server')
return chainOutput(lastRetVal, d)
def handle(self, tree, msg, lastRetVal=None):
# find connections of the user's JID
try:
jid = JID(tree.get('to'))
except:
logging.debug("[%s] Couldn't create a JID from %s",
self.__class__, tree.get('to'))
return
jids = msg.conn.server.launcher.getC2SServer().data['resources']
resources = jids.get(jid.getBare())
if not resources:
return
lastPresences = []
for res, con in resources.items():
lp = con.data['user']['lastPresence']
if lp is not None:
lpcopy = deepcopy(lp) # keep the last presence intact
# modify the copy to include the 'to' attr for s2s routing
lpcopy.set('to', tree.get('from'))
lastPresences.append(lpcopy)
if lastPresences:
d = {
'to' : tree.get('from'),
'data' : lastPresences,
}
msg.setNextHandler('route-server')
return chainOutput(lastRetVal, d)
def act():
# TODO: verify that it's coming from a known user
jid = msg.conn.data['user']['jid']
cjid = JID(tree.get('to'))
type = tree.get('type')
if not cjid:
logging.warning('[%s] No contact jid specified in subscription ' +\
'query. Tree: %s', self.__class__, tree)
# TODO: throw exception here
return
roster = Roster(jid)
# get the RosterItem
cinfo = roster.getContactInfo(cjid.getBare())
retVal = lastRetVal
# C2S SUBSCRIBE
if type == 'subscribe':
# we must always route the subscribe presence so as to allow
# the other servers to resynchronize their sub lists.
# RFC 3921 9.2
if not cinfo:
# contact doesn't exist, but according to RFC 3921
# section 8.2 bullet 4 we MUST create a new roster entry
# for it with empty name and groups.
roster.updateContact(cjid.getBare())
# now refetch the contact info
cinfo = roster.getContactInfo(cjid.getBare())
cid = cinfo.id
name = cinfo.name
subscription = cinfo.subscription
groups = cinfo.groups
# update the subscription state
if subscription == Subscription.NONE:
roster.setSubscription(cid, Subscription.NONE_PENDING_OUT)
subscription = Subscription.NONE_PENDING_OUT
elif subscription == Subscription.NONE_PENDING_IN:
roster.setSubscription(cid,
Subscription.NONE_PENDING_IN_OUT)
subscription = Subscription.NONE_PENDING_IN_OUT
elif subscription == Subscription.FROM:
roster.setSubscription(cid, Subscription.FROM_PENDING_OUT)
subscription = Subscription.FROM_PENDING_OUT
# send a roster push with ask
query = Roster.createRosterQuery(
cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription), name,
groups, {'ask': 'subscribe'})
# stamp presence with 'from' JID
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to': cjid,
'data': treeCopy,
}
retVal = chainOutput(retVal, d)
# sequence of events in reverse order
# push the roster first, in case we have to create a new
# s2s connection
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S SUBSCRIBED
elif type == 'subscribed':
if not cinfo:
logging.warning("[%s] 'subscribed' presence received for " +\
"non-existent contact %s", self.__class__, cjid)
else:
subscription = cinfo.subscription
if cinfo.subscription in (Subscription.NONE_PENDING_IN,
Subscription.NONE_PENDING_IN_OUT,
Subscription.TO_PENDING_IN):
# update state and deliver
if cinfo.subscription == Subscription.NONE_PENDING_IN:
roster.setSubscription(cinfo.id, Subscription.FROM)
subscription = Subscription.FROM
elif cinfo.subscription == Subscription.NONE_PENDING_IN_OUT:
roster.setSubscription(
cinfo.id, Subscription.FROM_PENDING_OUT)
subscription = Subscription.FROM_PENDING_OUT
elif cinfo.subscription == Subscription.TO_PENDING_IN:
roster.setSubscription(cinfo.id, Subscription.BOTH)
subscription = Subscription.BOTH
# roster stanza
query = Roster.createRosterQuery(
cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
toRoute = tostring(treeCopy)
# create available presence stanzas for all resources of the user
resources = msg.conn.server.launcher.getC2SServer(
).data['resources']
jidForResources = resources.has_key(
jid) and resources[jid]
if jidForResources:
out = u''
for i in jidForResources:
out += "<presence from='%s/%s'" % (jid, i)
out += " to='%s'/>" % cjid.getBare()
# and queue for routing
toRoute += out
# prepare the presence data for routing
d = {
'to': cjid,
'data': toRoute,
}
retVal = chainOutput(retVal, d)
# next handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S UNSUBSCRIBE
elif type == 'unsubscribe':
# we must always route the unsubscribe presence so as to allow
# the other servers to resynchronize their sub lists.
# RFC 3921 9.2
if not cinfo:
# we don't have this contact in our roster, but route the
# presence anyway
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to': cjid,
'data': treeCopy,
}
msg.setNextHandler('route-server')
return chainOutput(retVal, d)
else:
subscription = cinfo.subscription
if subscription == Subscription.BOTH: # mutual
roster.setSubscription(cinfo.id, Subscription.FROM)
subscription = Subscription.FROM
elif subscription in (
Subscription.NONE_PENDING_OUT, # one way
Subscription.NONE_PENDING_IN_OUT,
Subscription.TO,
Subscription.TO_PENDING_IN):
if subscription == Subscription.NONE_PENDING_OUT \
or subscription == Subscription.TO:
roster.setSubscription(cinfo.id, Subscription.NONE)
subscription = Subscription.NONE
elif subscription == Subscription.NONE_PENDING_IN_OUT \
or subscription == Subscription.TO_PENDING_IN:
roster.setSubscription(
cinfo.id, Subscription.NONE_PENDING_IN)
subscription = Subscription.NONE_PENDING_IN
# roster stanza
query = Roster.createRosterQuery(
cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to': cjid,
'data': treeCopy,
}
retVal = chainOutput(retVal, d)
# schedules handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S UNSUBSCRIBED
elif type == 'unsubscribed':
if not cinfo:
logging.warning("[%s] 'unsubscribed' presence received for " +\
"non-existent contact %s", self.__class__, cjid)
else:
subscription = cinfo.subscription
if subscription not in (Subscription.NONE,
Subscription.NONE_PENDING_OUT,
Subscription.TO):
if subscription == Subscription.NONE_PENDING_IN \
or subscription == Subscription.FROM:
roster.setSubscription(cinfo.id, Subscription.NONE)
subscription = Subscription.NONE
elif subscription == Subscription.NONE_PENDING_IN_OUT \
or subscription == Subscription.FROM_PENDING_OUT:
roster.setSubscription(
cinfo.id, Subscription.NONE_PENDING_OUT)
subscription = Subscription.NONE
elif subscription == Subscription.TO_PENDING_IN \
or subscription == Subscription.BOTH:
roster.setSubscription(cinfo.id, Subscription.TO)
subscription = Subscription.TO
# roster query
if subscription == Subscription.NONE_PENDING_OUT:
itemArgs = {'ask': 'subscribe'}
else:
itemArgs = {}
query = roster.createRosterQuery(
cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups, itemArgs)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
toRoute = tostring(treeCopy)
# create unavailable presence stanzas for all resources of the user
resources = msg.conn.server.launcher.getC2SServer(
).data['resources']
jidForResources = resources.has_key(
jid) and resources[jid]
if jidForResources:
out = u''
for i in jidForResources:
out += "<presence from='%s/%s'" % (jid, i)
out += " to='%s' type='unavailable'/>" % cjid.getBare(
)
# and add to output
toRoute += out
# prepare the presence data for routing
d = {
'to': cjid,
'data': toRoute,
}
retVal = chainOutput(retVal, d)
# handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
def act():
# TODO: verify that it's coming from a known user
jid = msg.conn.data['user']['jid']
cjid = JID(tree.get('to'))
type = tree.get('type')
if not cjid:
logging.warning('[%s] No contact jid specified in subscription ' +\
'query. Tree: %s', self.__class__, tree)
# TODO: throw exception here
return
roster = Roster(jid)
# get the RosterItem
cinfo = roster.getContactInfo(cjid.getBare())
retVal = lastRetVal
# C2S SUBSCRIBE
if type == 'subscribe':
# we must always route the subscribe presence so as to allow
# the other servers to resynchronize their sub lists.
# RFC 3921 9.2
if not cinfo:
# contact doesn't exist, but according to RFC 3921
# section 8.2 bullet 4 we MUST create a new roster entry
# for it with empty name and groups.
roster.updateContact(cjid.getBare())
# now refetch the contact info
cinfo = roster.getContactInfo(cjid.getBare())
cid = cinfo.id
name = cinfo.name
subscription = cinfo.subscription
groups = cinfo.groups
# update the subscription state
if subscription == Subscription.NONE:
roster.setSubscription(cid, Subscription.NONE_PENDING_OUT)
subscription = Subscription.NONE_PENDING_OUT
elif subscription == Subscription.NONE_PENDING_IN:
roster.setSubscription(cid, Subscription.NONE_PENDING_IN_OUT)
subscription = Subscription.NONE_PENDING_IN_OUT
elif subscription == Subscription.FROM:
roster.setSubscription(cid, Subscription.FROM_PENDING_OUT)
subscription = Subscription.FROM_PENDING_OUT
# send a roster push with ask
query = Roster.createRosterQuery(cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
name, groups, {'ask' : 'subscribe'})
# stamp presence with 'from' JID
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to' : cjid,
'data' : treeCopy,
}
retVal = chainOutput(retVal, d)
# sequence of events in reverse order
# push the roster first, in case we have to create a new
# s2s connection
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S SUBSCRIBED
elif type == 'subscribed':
if not cinfo:
logging.warning("[%s] 'subscribed' presence received for " +\
"non-existent contact %s", self.__class__, cjid)
else:
subscription = cinfo.subscription
if cinfo.subscription in (Subscription.NONE_PENDING_IN,
Subscription.NONE_PENDING_IN_OUT,
Subscription.TO_PENDING_IN):
# update state and deliver
if cinfo.subscription == Subscription.NONE_PENDING_IN:
roster.setSubscription(cinfo.id, Subscription.FROM)
subscription = Subscription.FROM
elif cinfo.subscription == Subscription.NONE_PENDING_IN_OUT:
roster.setSubscription(cinfo.id, Subscription.FROM_PENDING_OUT)
subscription = Subscription.FROM_PENDING_OUT
elif cinfo.subscription == Subscription.TO_PENDING_IN:
roster.setSubscription(cinfo.id, Subscription.BOTH)
subscription = Subscription.BOTH
# roster stanza
query = Roster.createRosterQuery(cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
toRoute = tostring(treeCopy)
# create available presence stanzas for all resources of the user
resources = msg.conn.server.launcher.getC2SServer().data['resources']
jidForResources = resources.has_key(jid) and resources[jid]
if jidForResources:
out = u''
for i in jidForResources:
out += "<presence from='%s/%s'" % (jid, i)
out += " to='%s'/>" % cjid.getBare()
# and queue for routing
toRoute += out
# prepare the presence data for routing
d = {
'to' : cjid,
'data' : toRoute,
}
retVal = chainOutput(retVal, d)
# next handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S UNSUBSCRIBE
elif type == 'unsubscribe':
# we must always route the unsubscribe presence so as to allow
# the other servers to resynchronize their sub lists.
# RFC 3921 9.2
if not cinfo:
# we don't have this contact in our roster, but route the
# presence anyway
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to' : cjid,
'data' : treeCopy,
}
msg.setNextHandler('route-server')
return chainOutput(retVal, d)
else:
subscription = cinfo.subscription
if subscription == Subscription.BOTH: # mutual
roster.setSubscription(cinfo.id, Subscription.FROM)
subscription = Subscription.FROM
elif subscription in (Subscription.NONE_PENDING_OUT, # one way
Subscription.NONE_PENDING_IN_OUT,
Subscription.TO,
Subscription.TO_PENDING_IN):
if subscription == Subscription.NONE_PENDING_OUT \
or subscription == Subscription.TO:
roster.setSubscription(cinfo.id, Subscription.NONE)
subscription = Subscription.NONE
elif subscription == Subscription.NONE_PENDING_IN_OUT \
or subscription == Subscription.TO_PENDING_IN:
roster.setSubscription(cinfo.id, Subscription.NONE_PENDING_IN)
subscription = Subscription.NONE_PENDING_IN
# roster stanza
query = Roster.createRosterQuery(cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
# prepare the presence data for routing
d = {
'to' : cjid,
'data' : treeCopy,
}
retVal = chainOutput(retVal, d)
# schedules handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
# C2S UNSUBSCRIBED
elif type == 'unsubscribed':
if not cinfo:
logging.warning("[%s] 'unsubscribed' presence received for " +\
"non-existent contact %s", self.__class__, cjid)
else:
subscription = cinfo.subscription
if subscription not in (Subscription.NONE,
Subscription.NONE_PENDING_OUT,
Subscription.TO):
if subscription == Subscription.NONE_PENDING_IN \
or subscription == Subscription.FROM:
roster.setSubscription(cinfo.id, Subscription.NONE)
subscription = Subscription.NONE
elif subscription == Subscription.NONE_PENDING_IN_OUT \
or subscription == Subscription.FROM_PENDING_OUT:
roster.setSubscription(cinfo.id, Subscription.NONE_PENDING_OUT)
subscription = Subscription.NONE
elif subscription == Subscription.TO_PENDING_IN \
or subscription == Subscription.BOTH:
roster.setSubscription(cinfo.id, Subscription.TO)
subscription = Subscription.TO
# roster query
if subscription == Subscription.NONE_PENDING_OUT:
itemArgs = {'ask' : 'subscribe'}
else:
itemArgs = {}
query = roster.createRosterQuery(cjid.getBare(),
Subscription.getPrimaryNameFromState(subscription),
cinfo.name, cinfo.groups, itemArgs)
# stamp presence with 'from'
treeCopy = deepcopy(tree)
treeCopy.set('from', jid)
toRoute = tostring(treeCopy)
# create unavailable presence stanzas for all resources of the user
resources = msg.conn.server.launcher.getC2SServer().data['resources']
jidForResources = resources.has_key(jid) and resources[jid]
if jidForResources:
out = u''
for i in jidForResources:
out += "<presence from='%s/%s'" % (jid, i)
out += " to='%s' type='unavailable'/>" % cjid.getBare()
# and add to output
toRoute += out
# prepare the presence data for routing
d = {
'to' : cjid,
'data' : toRoute,
}
retVal = chainOutput(retVal, d)
# handlers in reverse order
msg.setNextHandler('route-server')
msg.setNextHandler('roster-push')
return chainOutput(retVal, query)
def act():
d = msg.conn.data
retVal = lastRetVal
jid = d['user']['jid']
resource = d['user']['resource']
roster = Roster(jid)
presTree = deepcopy(tree)
presTree.set('from', '%s/%s' % (jid, resource))
probes = []
init_rosters = []
offline_msgs = []
if tree.get('to') is None and not d['user']['active']:
# initial presence
# TODO: we don't need to do it every time. we can cache the
# data after the first resource is active and just resend
# that to all new resources
d['user']['active'] = True
# get jids of the contacts whose status we're interested in
cjids = roster.getPresenceSubscriptions()
probeTree = Element('presence', {
'type': 'probe',
'from' : '%s/%s' \
% (jid, resource)
})
# TODO: replace this with a more efficient router handler
for cjid in cjids:
probeTree.set('to', cjid)
probeRouteData = {
'to' : cjid,
'data' : deepcopy(probeTree)
}
probes.append(probeRouteData)
# they're sent first. see below
# send initial roster list to this user
rosterTree = Element('presence', {
'type': 'unavailable',
'to' : '%s/%s' \
% (jid, resource)
})
for cjid in cjids:
rosterTree.set('from', cjid)
rosterRouterData = {
'to' : '%s/%s' % (jid, resource),
'data' : deepcopy(rosterTree)
}
init_rosters.append(rosterRouterData)
# send offline message to this user
try:
con = DB()
result = []
to_jid = JID(jid)
with closing(con.cursor()) as cursor:
cursor.execute("SELECT fromid, time, content FROM offline WHERE toid = %d ORDER BY time DESC" %
(to_jid.getNumId()))
con.commit()
result = cursor.fetchall()
with closing(con.cursor()) as cursor:
cursor.execute("DELETE FROM offline WHERE toid = %d" %
(to_jid.getNumId()))
con.commit()
for fromid, time, content in result:
fromJID = JID(fromid, True).getBare()
toJID = '%s/%s' % (jid, resource)
reply = Element('message', {
'to': toJID,
'from': fromJID,
'type': 'chat'
})
body = Element('body')
body.text = content
reply.append(body)
delay = Element('delay', {
'xmlns': 'urn:xmpp:delay',
'from': fromJID,
'stamp': time.strftime("%Y-%m-%dT%H:%M:%SZ")
})
reply.append(delay)
routeData = {
'to' : toJID,
'data': reply
}
offline_msgs.append(routeData)
logging.debug("[%s] Sending %d offline messages to %s", self.__class__, len(offline_msgs), to_jid.getBare())
except Exception as e:
logging.warning("[%s] Failed to read offline messages: %s", self.__class__, str(e))
# broadcast to other resources of this user
retVal = self.broadcastToOtherResources(presTree, msg, retVal, jid, resource)
elif tree.get('to') is not None:
# TODO: directed presence
return
elif tree.get('type') == 'unavailable':
# broadcast to other resources of this user
d['user']['active'] = False
retVal = self.broadcastToOtherResources(presTree, msg, retVal, jid, resource)
# record this stanza as the last presence sent from this client
lastPresence = deepcopy(tree)
lastPresence.set('from', '%s/%s' % (jid, resource))
d['user']['lastPresence'] = lastPresence
# lookup contacts interested in presence
cjids = roster.getPresenceSubscribers()
# TODO: replace this with another router handler that would send
# it out to all cjids in a batch instead of queuing a handler
# for each
for cjid in cjids:
presTree.set('to', cjid)
presRouteData = {
'to' : cjid,
'data' : deepcopy(presTree)
}
retVal = chainOutput(retVal, presRouteData)
msg.setNextHandler('route-server')
# send the probes first
for probe in probes:
msg.setNextHandler('route-server')
retVal = chainOutput(retVal, probe)
# send initial rosters
for init_roster in init_rosters:
msg.setNextHandler('route-client')
retVal = chainOutput(retVal, init_roster)
# send offline messages
for offline_msg in offline_msgs:
msg.setNextHandler('route-client')
retVal = chainOutput(retVal, offline_msg)
return retVal
