class MessageParser(Parser):
def __init__(self, manager, dispatcher):
self.manager = manager
self.dispatcher = dispatcher
self.interpreter = MessageInterpreter(manager, dispatcher)
def handleMessage(self, msg):
"""
Figure out what to do with this message
"""
needs_activation = self.senderNeedsActivation(msg["type"], msg["sender"])
self.parse(msg)
if needs_activation:
content = self.manager.get_node_hash()
self.dispatcher.send("nodelisthash", target=msg["sender"], content=content)
def parse(self, msg):
""" Figures out what message type was given, then passes it to MessageProcessor """
method_type = "received_{0}".format(msg["type"])
try:
method = getattr(self.interpreter, method_type)
method(msg)
except:
self.interpreter.received_chat(msg)
def senderNeedsActivation(self, message, sender):
"""Checks to see if the sender is active or even authorized"""
if self.manager.isActive(sender):
return False
if self.manager.isAuthorized(sender):
self.manager.activate_node(sender)
PynaDisplay.log("Registered {0} at {1}".format(sender["alias"], sender["location"]))
return True
return self.isAcceptableAnonymousMessage(message, sender)
def isAcceptableAnonymousMessage(self, message, sender):
"""Verifies that the message is authorizable"""
if message != "nodelist":
PynaDisplay.warn("Untrusted message received from {0}".format(sender))
return False
return True
def __init__(self, manager, dispatcher):
self.manager = manager
self.dispatcher = dispatcher
self.interpreter = MessageInterpreter(manager, dispatcher)
