diff options
| -rw-r--r-- | mail/changes/bug_3937_fix_ui_freeze | 1 | ||||
| -rw-r--r-- | mail/src/leap/mail/smtp/gateway.py | 80 |
2 files changed, 47 insertions, 34 deletions
diff --git a/mail/changes/bug_3937_fix_ui_freeze b/mail/changes/bug_3937_fix_ui_freeze new file mode 100644 index 00000000..b91938c5 --- /dev/null +++ b/mail/changes/bug_3937_fix_ui_freeze @@ -0,0 +1 @@ + o Uses deferToThread for sendMail. Closes #3937 diff --git a/mail/src/leap/mail/smtp/gateway.py b/mail/src/leap/mail/smtp/gateway.py index 7e9e4203..f6366afa 100644 --- a/mail/src/leap/mail/smtp/gateway.py +++ b/mail/src/leap/mail/smtp/gateway.py @@ -72,6 +72,7 @@ generator.Generator = RFC3156CompliantGenerator LOCAL_FQDN = "bitmask.local" + def validate_address(address): """ Validate C{address} as defined in RFC 2822. @@ -98,6 +99,13 @@ def validate_address(address): # class SMTPHeloLocalhost(smtp.SMTP): + """ + An SMTP class that ensures a proper FQDN + for localhost. + + This avoids a problem in which unproperly configured providers + would complain about the helo not being a fqdn. + """ def __init__(self, *args): smtp.SMTP.__init__(self, *args) @@ -388,21 +396,14 @@ class EncryptedMessage(object): Handle end of message. This method will encrypt and send the message. + + :returns: a deferred """ log.msg("Message data complete.") self.lines.append('') # add a trailing newline - try: - self._maybe_encrypt_and_sign() - return self.sendMessage() - except KeyNotFound: - return None - - def parseMessage(self): - """ - Separate message headers from body. - """ - parser = Parser() - return parser.parsestr('\r\n'.join(self.lines)) + d = deferToThread(self._maybe_encrypt_and_sign) + d.addCallbacks(self.sendMessage, self.skipNoKeyErrBack) + return d def connectionLost(self): """ @@ -414,12 +415,34 @@ class EncryptedMessage(object): # unexpected loss of connection; don't save self.lines = [] + # ends IMessage implementation + + def skipNoKeyErrBack(self, failure): + """ + Errback that ignores a KeyNotFound + + :param failure: the failure + :type Failure: Failure + """ + err = failure.value + if failure.check(KeyNotFound): + pass + else: + raise err + + def parseMessage(self): + """ + Separate message headers from body. + """ + parser = Parser() + return parser.parsestr('\r\n'.join(self.lines)) + def sendQueued(self, r): """ Callback for the queued message. - @param r: The result from the last previous callback in the chain. - @type r: anything + :param r: The result from the last previous callback in the chain. + :type r: anything """ log.msg(r) @@ -445,35 +468,24 @@ class EncryptedMessage(object): log.err(err) raise err - def sendMessage(self): + def sendMessage(self, *args): """ Sends the message. - @return: A deferred with callbacks for error and success of this - message send. - @rtype: twisted.internet.defer.Deferred - """ - # FIXME this should not be blocking the main ui, since it returns - # a deferred and it has its own cb set. ???! - d = deferToThread(self._sendMessage) - d.addCallbacks(self._route_msg, self.sendError) - d.addCallbacks(self.sendQueued, self.sendError) - return d - def _sendMessage(self): + :return: A deferred with callbacks for error and success of this + #message send. + :rtype: twisted.internet.defer.Deferred """ - Send the message. - - This method will prepare the message (headers and possibly encrypted - body) - """ - msg = self._msg.as_string(False) - return msg + d = deferToThread(self._route_msg) + d.addCallbacks(self.sendQueued, self.sendError) + return - def _route_msg(self, msg): + def _route_msg(self): """ Sends the msg using the ESMTPSenderFactory. """ log.msg("Connecting to SMTP server %s:%s" % (self._host, self._port)) + msg = self._msg.as_string(False) # we construct a defer to pass to the ESMTPSenderFactory d = defer.Deferred() |