diff options
Diffstat (limited to 'src/leap/mail/imap/server.py')
| -rw-r--r-- | src/leap/mail/imap/server.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/leap/mail/imap/server.py b/src/leap/mail/imap/server.py index 3e10171..3aeca54 100644 --- a/src/leap/mail/imap/server.py +++ b/src/leap/mail/imap/server.py @@ -36,6 +36,38 @@ from twisted.mail.imap4 import IllegalClientResponse from twisted.mail.imap4 import LiteralString, LiteralFile +def _getContentType(msg): + """ + Return a two-tuple of the main and subtype of the given message. + """ + attrs = None + mm = msg.getHeaders(False, 'content-type').get('content-type', None) + if mm: + mm = ''.join(mm.splitlines()) + mimetype = mm.split(';') + if mimetype: + type = mimetype[0].split('/', 1) + if len(type) == 1: + major = type[0] + minor = None + elif len(type) == 2: + major, minor = type + else: + major = minor = None + # XXX patched --------------------------------------------- + attrs = dict(x.strip().split('=', 1) for x in mimetype[1:]) + # XXX patched --------------------------------------------- + else: + major = minor = None + else: + major = minor = None + return major, minor, attrs + +# Monkey-patch _getContentType to avoid bug that passes lower-case boundary in +# BODYSTRUCTURE response. +imap4._getContentType = _getContentType + + class LEAPIMAPServer(imap4.IMAP4Server): """ An IMAP4 Server with a LEAP Storage Backend. @@ -60,6 +92,69 @@ class LEAPIMAPServer(imap4.IMAP4Server): # populate the test account properly (and only once # per session) + ############################################################# + # + # Twisted imap4 patch to workaround bad mime rendering in TB. + # See https://leap.se/code/issues/6773 + # and https://bugzilla.mozilla.org/show_bug.cgi?id=149771 + # Still unclear if this is a thunderbird bug. + # TODO send this patch upstream + # + ############################################################# + + def spew_body(self, part, id, msg, _w=None, _f=None): + if _w is None: + _w = self.transport.write + for p in part.part: + if msg.isMultipart(): + msg = msg.getSubPart(p) + elif p > 0: + # Non-multipart messages have an implicit first part but no + # other parts - reject any request for any other part. + raise TypeError("Requested subpart of non-multipart message") + + if part.header: + hdrs = msg.getHeaders(part.header.negate, *part.header.fields) + hdrs = imap4._formatHeaders(hdrs) + # PATCHED ########################################## + _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n")) + # PATCHED ########################################## + elif part.text: + _w(str(part) + ' ') + _f() + return imap4.FileProducer(msg.getBodyFile() + ).beginProducing(self.transport + ) + elif part.mime: + hdrs = imap4._formatHeaders(msg.getHeaders(True)) + + # PATCHED ########################################## + _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n")) + # END PATCHED ###################################### + + elif part.empty: + _w(str(part) + ' ') + _f() + if part.part: + return imap4.FileProducer(msg.getBodyFile() + ).beginProducing(self.transport + ) + else: + mf = imap4.IMessageFile(msg, None) + if mf is not None: + return imap4.FileProducer(mf.open()).beginProducing(self.transport) + return imap4.MessageProducer(msg, None, self._scheduler).beginProducing(self.transport) + + else: + _w('BODY ' + imap4.collapseNestedLists([imap4.getBodyStructure(msg)])) + + ################################################################## + # + # END Twisted imap4 patch to workaround bad mime rendering in TB. + # #6773 + # + ################################################################## + def lineReceived(self, line): """ Attempt to parse a single line from the server. |