code.vuplus.com Git - vuplus_dvbapp-plugin/blob - emailclient/src/protocol.py

   1 from twisted.internet import reactor
   2 from twisted.internet import protocol
   3 from twisted.internet import ssl
   4 from twisted.internet import defer
   5 from twisted.internet import stdio
   6 from twisted.mail import imap4
   7 from twisted.protocols import basic
   8
   9 class SimpleIMAP4Client(imap4.IMAP4Client):
  10     greetDeferred = None
  11     def __init__(self,e2session, contextFactory = None):
  12         self.e2session = e2session
  13         imap4.IMAP4Client.__init__(self,contextFactory = contextFactory)
  14
  15     def serverGreeting(self, caps):
  16         self.serverCapabilities = caps
  17         if self.greetDeferred is not None:
  18             d, self.greetDeferred = self.greetDeferred, None
  19             d.callback(self)
  20
  21 class SimpleIMAP4ClientFactory(protocol.ClientFactory):
  22
  23     protocol = SimpleIMAP4Client
  24
  25     def __init__(self, e2session, username, onConn):
  26         self.ctx = ssl.ClientContextFactory()
  27         self.e2session = e2session
  28         self.username = username
  29         self.onConn = onConn
  30
  31     def buildProtocol(self, addr):
  32         p = self.protocol(self.e2session,self.ctx)
  33         p.factory = self
  34         p.greetDeferred = self.onConn
  35         auth = imap4.CramMD5ClientAuthenticator(self.username)
  36         p.registerAuthenticator(auth)
  37         return p
  38
  39     def clientConnectionFailed(self, connector, reason):
  40         d, self.onConn = self.onConn, None
  41         d.errback(reason)
  42
  43 def createFactory( e2session,username,hostname, port):
  44     print "creating factory for ",username,hostname,port
  45     onConn = defer.Deferred(
  46         ).addCallback(e2session.onConnect
  47         ).addErrback(e2session.onConnectFailed
  48         )
  49
  50     factory = SimpleIMAP4ClientFactory(e2session,username, onConn)
  51     reactor.connectTCP(hostname, port, factory)
  52