def tryTLS(self, code, resp, items):
"""Checks if the client has requested
a secure SSL connection with the SMTP server.
If not removes 'STARTTLS' from the servers
capabilities list. Twisted automatically
starts a TLS session if it sees a 'STARTTLS'
in the server capabilities. This is not the
desired behavior we want.
Calls C{twisted.mail.smtp.ESMTPSender.tryTLS}
"""
if not self.requireTransportSecurity:
items = utils.disableTwistedTLS(items)
return smtp.ESMTPSender.tryTLS(self, code, resp, items)
def __getCapabilities(self, caps):
if self._timedOut:
"""If we have already timed out then gracefully exit the function"""
return defer.succeed(True)
if self.factory.useTLS:
"""The Twisted POP3Client will check to make sure the server can STARTTLS
and raise an error if it can not"""
d = self.startTLS(self.transport.contextFactory.getContext())
d.addCallbacks(lambda _: self.delegate.loginClient(), self.delegate.catchErrors)
return d
else:
"""Remove the STLS from capabilities"""
self._capCache = utils.disableTwistedTLS(caps, "STLS")
self.delegate.loginClient()
def __getCapabilities(self, caps):
if self._timedOut:
"""If we have already timed out then gracefully exit the function"""
return defer.succeed(True)
if self.factory.useTLS:
"""The Twisted POP3Client will check to make sure the server can STARTTLS
and raise an error if it can not"""
d = self.startTLS(self.transport.contextFactory.getContext())
d.addCallbacks(lambda _: self.delegate.loginClient(),
self.delegate.catchErrors)
return d
else:
"""Remove the STLS from capabilities"""
self._capCache = utils.disableTwistedTLS(caps, "STLS")
self.delegate.loginClient()
def __getCapabilities(self, caps):
if self.factory.useTLS:
"""The Twisted IMAP4Client will check to make sure the server can STARTTLS
and raise an error if it can not"""
d = self.startTLS(self.transport.contextFactory.getContext())
d.addCallbacks(lambda _: self.delegate.loginClient(), \
self.delegate.catchErrors)
return d
if 'LOGINDISABLED' in caps:
e = errors.IMAPException(constants.DOWNLOAD_REQUIRES_TLS)
self.delegate.catchErrors(e)
else:
"""Remove the STARTTLS from capabilities"""
self._capCache = utils.disableTwistedTLS(caps)
self.delegate.loginClient()
def __getCapabilities(self, caps):
if self.factory.useTLS:
"""The Twisted IMAP4Client will check to make sure the server can STARTTLS
and raise an error if it can not"""
d = self.startTLS(self.transport.contextFactory.getContext())
d.addCallbacks(lambda _: self.delegate.loginClient(), \
self.delegate.catchErrors)
return d
if 'LOGINDISABLED' in caps:
e = errors.IMAPException(constants.DOWNLOAD_REQUIRES_TLS)
self.delegate.catchErrors(e)
else:
"""Remove the STARTTLS from capabilities"""
self._capCache = utils.disableTwistedTLS(caps)
self.delegate.loginClient()
