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-rw-r--r--src/leap/mail/adaptors/soledad.py18
-rw-r--r--src/leap/mail/imap/messages.py25
-rw-r--r--src/leap/mail/mail.py20
-rw-r--r--src/leap/mail/tests/test_mail.py8
4 files changed, 51 insertions, 20 deletions
diff --git a/src/leap/mail/adaptors/soledad.py b/src/leap/mail/adaptors/soledad.py
index 490e014..7a1a92d 100644
--- a/src/leap/mail/adaptors/soledad.py
+++ b/src/leap/mail/adaptors/soledad.py
@@ -1114,6 +1114,7 @@ def _split_into_parts(raw):
msg, parts, chash, multi = _parse_msg(raw)
size = len(msg.as_string())
+
body_phash = walk.get_body_phash(msg)
parts_map = walk.walk_msg_tree(parts, body_phash=body_phash)
@@ -1161,16 +1162,13 @@ def _build_headers_doc(msg, chash, body_phash, parts_map):
It takes into account possibly repeated headers.
"""
- headers = msg.items()
-
- # TODO move this manipulation to IMAP
- #headers = defaultdict(list)
- #for k, v in msg.items():
- #headers[k].append(v)
- ## "fix" for repeated headers.
- #for k, v in headers.items():
- #newline = "\n%s: " % (k,)
- #headers[k] = newline.join(v)
+ headers = defaultdict(list)
+ for k, v in msg.items():
+ headers[k].append(v)
+ # "fix" for repeated headers (as in "Received:"
+ for k, v in headers.items():
+ newline = "\n%s: " % (k.lower(),)
+ headers[k] = newline.join(v)
lower_headers = lowerdict(dict(headers))
msgid = first(_MSGID_RE.findall(
diff --git a/src/leap/mail/imap/messages.py b/src/leap/mail/imap/messages.py
index 02aac2e..13943b1 100644
--- a/src/leap/mail/imap/messages.py
+++ b/src/leap/mail/imap/messages.py
@@ -208,6 +208,18 @@ class IMAPMessagePart(object):
return IMAPMessagePart(subpart)
+class CaseInsensitiveDict(dict):
+ """
+ A dictionary subclass that will allow case-insenstive key lookups.
+ """
+
+ def __setitem__(self, key, value):
+ super(CaseInsensitiveDict, self).__setitem__(key.lower(), value)
+
+ def __getitem__(self, key):
+ return super(CaseInsensitiveDict, self).__getitem__(key.lower())
+
+
def _format_headers(headers, negate, *names):
# current server impl. expects content-type to be present, so if for
# some reason we do not have headers, we have to return at least that
@@ -228,13 +240,13 @@ def _format_headers(headers, negate, *names):
# default to most likely standard
charset = find_charset(headers, "utf-8")
- _headers = dict()
- for key, value in headers.items():
- # twisted imap server expects *some* headers to be lowercase
- # We could use a CaseInsensitiveDict here...
- if key.lower() == "content-type":
- key = key.lower()
+ # We will return a copy of the headers dictionary that
+ # will allow case-insensitive lookups. In some parts of the twisted imap
+ # server code the keys are expected to be in lower case, and in this way
+ # we avoid having to convert them.
+ _headers = CaseInsensitiveDict()
+ for key, value in headers.items():
if not isinstance(key, str):
key = key.encode(charset, 'replace')
if not isinstance(value, str):
@@ -247,4 +259,5 @@ def _format_headers(headers, negate, *names):
# filter original dict by negate-condition
if cond(key):
_headers[key] = value
+
return _headers
diff --git a/src/leap/mail/mail.py b/src/leap/mail/mail.py
index fd2f39a..99c3873 100644
--- a/src/leap/mail/mail.py
+++ b/src/leap/mail/mail.py
@@ -17,6 +17,7 @@
"""
Generic Access to Mail objects: Public LEAP Mail API.
"""
+import itertools
import uuid
import logging
import StringIO
@@ -98,6 +99,23 @@ def _encode_payload(payload, ctype=""):
return payload
+def _unpack_headers(headers_dict):
+ """
+ Take a "packed" dict containing headers (with repeated keys represented as
+ line breaks inside each value, preceded by the header key) and return a
+ list of tuples in which each repeated key has a different tuple.
+ """
+ headers_l = headers_dict.items()
+ for i, (k, v) in enumerate(headers_l):
+ splitted = v.split(k.lower() + ": ")
+ if len(splitted) != 1:
+ inner = zip(
+ itertools.cycle([k]),
+ map(lambda l: l.rstrip('\n'), splitted))
+ headers_l = headers_l[:i] + inner + headers_l[i+1:]
+ return headers_l
+
+
class MessagePart(object):
# TODO This class should be better abstracted from the data model.
# TODO support arbitrarily nested multiparts (right now we only support
@@ -242,7 +260,7 @@ class Message(object):
"""
Get the raw headers document.
"""
- return [tuple(item) for item in self._wrapper.hdoc.headers]
+ return self._wrapper.hdoc.headers
def get_body_file(self, store):
"""
diff --git a/src/leap/mail/tests/test_mail.py b/src/leap/mail/tests/test_mail.py
index d326ca8..2c03933 100644
--- a/src/leap/mail/tests/test_mail.py
+++ b/src/leap/mail/tests/test_mail.py
@@ -26,7 +26,7 @@ from email.parser import Parser
from email.Utils import formatdate
from leap.mail.adaptors.soledad import SoledadMailAdaptor
-from leap.mail.mail import MessageCollection, Account
+from leap.mail.mail import MessageCollection, Account, _unpack_headers
from leap.mail.mailbox_indexer import MailboxIndexer
from leap.mail.tests.common import SoledadTestMixin
@@ -144,8 +144,10 @@ class MessageTestCase(SoledadTestMixin, CollectionMixin):
def _test_get_headers_cb(self, msg):
self.assertTrue(msg is not None)
- expected = _get_parsed_msg().items()
- self.assertEqual(msg.get_headers(), expected)
+ expected = [
+ (str(key.lower()), str(value))
+ for (key, value) in _get_parsed_msg().items()]
+ self.assertItemsEqual(_unpack_headers(msg.get_headers()), expected)
def test_get_body_file(self):
d = self.get_inserted_msg(multi=True)