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authorTomás Touceda <chiiph@leap.se>2013-10-31 07:57:25 -0300
committerTomás Touceda <chiiph@leap.se>2013-10-31 13:12:17 -0300
commit527d941a0b87ca23d07c003dbe87dddf37c36b6d (patch)
treee9e4ce253798b3dffc2246ac65fa8f5d5a2beee4 /src/leap/mx
parent03e11155375f1e70756204581b74c1e0aaa3b247 (diff)
Pick correct recipient and encoding
Diffstat (limited to 'src/leap/mx')
-rw-r--r--src/leap/mx/mail_receiver.py51
1 files changed, 21 insertions, 30 deletions
diff --git a/src/leap/mx/mail_receiver.py b/src/leap/mx/mail_receiver.py
index bae489f..36cfe0b 100644
--- a/src/leap/mx/mail_receiver.py
+++ b/src/leap/mx/mail_receiver.py
@@ -38,6 +38,7 @@ from twisted.application.service import Service
from twisted.internet import inotify
from twisted.python import filepath, log
+from leap.common.mail import get_email_charset
from leap.soledad.common.document import SoledadDocument
from leap.soledad.common.crypto import (
EncryptionSchemes,
@@ -90,18 +91,16 @@ class MailReceiver(Service):
callbacks=[self._process_incoming_email],
recursive=recursive)
- def _encrypt_message(self, pubkey, uuid, address, message):
+ def _encrypt_message(self, pubkey, uuid, message):
"""
- Given a UUID, a public key, address and a message, it encrypts
- the message to that public key.
+ Given a UUID, a public key and a message, it encrypts the
+ message to that public key.
The address is needed in order to build the OpenPGPKey object.
:param uuid_pubkey: tuple that holds the uuid and the public
key as it is returned by the previous call in the
chain
:type uuid_pubkey: tuple (str, str)
- :param address: mail address for this message
- :type address: str
:param message: message contents
:type message: str
@@ -117,9 +116,10 @@ class MailReceiver(Service):
doc = SoledadDocument(doc_id=str(pyuuid.uuid4()))
- result = chardet.detect(message)
-
- encoding = result["encoding"]
+ encoding = get_email_charset(message, default=None)
+ if encoding is None:
+ result = chardet.detect(message)
+ encoding = result["encoding"]
data = {'incoming': True, 'content': message}
@@ -135,7 +135,9 @@ class MailReceiver(Service):
with openpgp.TempGPGWrapper(gpgbinary='/usr/bin/gpg') as gpg:
gpg.import_keys(pubkey)
key = gpg.list_keys().pop()
- openpgp_key = openpgp._build_key_from_gpg(address, key, pubkey)
+ # We don't care about the actual address, so we use a
+ # dummy one, we just care about the import of the pubkey
+ openpgp_key = openpgp._build_key_from_gpg("dummy@mail.com", key, pubkey)
doc.content = {
self.INCOMING_KEY: True,
@@ -198,18 +200,14 @@ class MailReceiver(Service):
def _get_owner(self, mail):
"""
- Given an email, returns the owner (who's delivered to) and the
- uuid of the owner. In case of a mailing list mail, the owner
- will end up being the mailing list address, but the owner's
- uuid will be correct as long as the user exists in the system.
+ Given an email, returns the uuid of the owner.
:param mail: mail to analyze
:type mail: email.message.Message
- :returns: a tuple of (owner, uuid)
- :rtype: tuple(str or None, str or None)
+ :returns: uuid
+ :rtype: str or None
"""
- owner = mail["To"]
uuid = None
delivereds = mail.get_all("Delivered-To")
@@ -220,13 +218,7 @@ class MailReceiver(Service):
uuid = parts[0]
break
- if owner is None: # default to Delivered-To
- owner = mail["Delivered-To"]
- if owner is None:
- log.err("Malformed mail, neither To: nor "
- "Delivered-To: field")
-
- return owner, uuid
+ return uuid
def _process_incoming_email(self, otherself, filepath, mask):
"""
@@ -247,13 +239,12 @@ class MailReceiver(Service):
with filepath.open("r") as f:
mail_data = f.read()
mail = message_from_string(mail_data)
- owner, uuid = self._get_owner(mail)
- if owner is None:
- # This shouldn't happen, may be a bug in
- # postfix? But we don't want to drop mail just
- # because of a bug. Skipping this one...
+ uuid = self._get_owner(mail)
+ if uuid is None:
+ log.msg("Don't know how to deliver mail %s, skipping..." %
+ filepath.path)
return
- log.msg("Mail owner: %s %s" % (owner, uuid))
+ log.msg("Mail owner: %s" % (uuid,))
if uuid is None:
log.msg("BUG: There was no uuid!")
@@ -261,7 +252,7 @@ class MailReceiver(Service):
d = self._users_cdb.getPubKey(uuid)
d.addCallbacks(self._encrypt_message, log.err,
- (uuid, owner, mail_data))
+ (uuid, mail_data))
d.addCallbacks(self._export_message, log.err)
d.addCallbacks(self._conditional_remove, log.err,
(filepath,))