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authorKali Kaneko <kali@leap.se>2015-07-10 12:41:14 -0400
committerRuben Pollan <meskio@sindominio.net>2015-07-13 11:55:30 -0400
commit1810e1b704835257a8e4cba5328df29229e221ee (patch)
tree8ca4464eb5a905a99b3eaa9d9990742ee4dcdfdd /src/leap/mail
parent7a8e2ad2e6f848098977a78b6cfd8c597df93691 (diff)
[feature] add very basic support for message sequence numbers
this is just the bare minimum implementation of MSN (message sequence numbers). It is not enough feature-wise, but I'm doing it now just to support testing with the default imap client that we're using with the regression tests.
Diffstat (limited to 'src/leap/mail')
-rw-r--r--src/leap/mail/imap/mailbox.py100
-rw-r--r--src/leap/mail/imap/messages.py4
-rw-r--r--src/leap/mail/mail.py31
3 files changed, 81 insertions, 54 deletions
diff --git a/src/leap/mail/imap/mailbox.py b/src/leap/mail/imap/mailbox.py
index 0de4b40..4339bd2 100644
--- a/src/leap/mail/imap/mailbox.py
+++ b/src/leap/mail/imap/mailbox.py
@@ -457,7 +457,33 @@ class IMAPMailbox(object):
raise imap4.ReadOnlyMailbox
return self.collection.delete_all_flagged()
- def _bound_seq(self, messages_asked):
+ def _get_message_fun(self, uid):
+ """
+ Return the proper method to get a message for this mailbox, depending
+ on the passed uid flag.
+
+ :param uid: If true, the IDs specified in the query are UIDs;
+ otherwise they are message sequence IDs.
+ :type uid: bool
+ :rtype: callable
+ """
+ get_message_fun = [
+ self.collection.get_message_by_sequence_number,
+ self.collection.get_message_by_uid][uid]
+ return get_message_fun
+
+ def _get_messages_range(self, messages_asked, uid=True):
+
+ def get_range(messages_asked):
+ return self._filter_msg_seq(messages_asked)
+
+ d = defer.maybeDeferred(self._bound_seq, messages_asked, uid)
+ if uid:
+ d.addCallback(get_range)
+ d.addErrback(lambda f: log.err(f))
+ return d
+
+ def _bound_seq(self, messages_asked, uid):
"""
Put an upper bound to a messages sequence if this is open.
@@ -465,17 +491,26 @@ class IMAPMailbox(object):
:type messages_asked: MessageSet
:rtype: MessageSet
"""
- def set_last(last_uid):
+
+ def set_last_uid(last_uid):
messages_asked.last = last_uid
return messages_asked
+ def set_last_seq(all_uid):
+ messages_asked.last = len(all_uid)
+ return messages_asked
+
if not messages_asked.last:
try:
iter(messages_asked)
except TypeError:
# looks like we cannot iterate
- d = self.collection.get_last_uid()
- d.addCallback(set_last)
+ if uid:
+ d = self.collection.get_last_uid()
+ d.addCallback(set_last_uid)
+ else:
+ d = self.collection.all_uid_iter()
+ d.addCallback(set_last_seq)
return d
return messages_asked
@@ -516,15 +551,7 @@ class IMAPMailbox(object):
:rtype: deferred with a generator that yields...
"""
- # TODO implement sequence
- # is_sequence = True if uid == 0 else False
- # XXX DEBUG --- if you attempt to use the `getmail` utility under
- # imap/tests, or muas like mutt, it will choke until we implement
- # sequence numbers. This is an easy hack meanwhile.
- is_sequence = False
- # -----------------------------------------------------------------
-
- getmsg = self.collection.get_message_by_uid
+ get_msg_fun = self._get_message_fun(uid)
getimapmsg = self.get_imap_message
def get_imap_messages_for_range(msg_range):
@@ -551,7 +578,7 @@ class IMAPMailbox(object):
# body. We should be smarter at do_FETCH and pass a parameter
# to this method in order not to prefetch cdocs if they're not
# going to be used.
- d_msg.append(getmsg(msgid, get_cdocs=True))
+ d_msg.append(get_msg_fun(msgid, get_cdocs=True))
d = defer.gatherResults(d_msg, consumeErrors=True)
d.addCallback(_get_imap_msg)
@@ -559,24 +586,9 @@ class IMAPMailbox(object):
d.addErrback(lambda failure: log.err(failure))
return d
- # for sequence numbers (uid = 0)
- if is_sequence:
- # TODO --- implement sequences in mailbox indexer
- raise NotImplementedError
-
- else:
- d = self._get_messages_range(messages_asked)
- d.addCallback(get_imap_messages_for_range)
- d.addErrback(lambda failure: log.err(failure))
-
- return d
-
- def _get_messages_range(self, messages_asked):
- def get_range(messages_asked):
- return self._filter_msg_seq(messages_asked)
-
- d = defer.maybeDeferred(self._bound_seq, messages_asked)
- d.addCallback(get_range)
+ d = self._get_messages_range(messages_asked, uid)
+ d.addCallback(get_imap_messages_for_range)
+ d.addErrback(lambda failure: log.err(failure))
return d
def fetch_flags(self, messages_asked, uid):
@@ -611,7 +623,8 @@ class IMAPMailbox(object):
# ---------------------------------------------------------------
if is_sequence:
- raise NotImplementedError
+ raise NotImplementedError(
+ "FETCH FLAGS NOT IMPLEMENTED FOR MESSAGE SEQUENCE NUMBERS YET")
d = defer.Deferred()
reactor.callLater(0, self._do_fetch_flags, messages_asked, uid, d)
@@ -652,6 +665,7 @@ class IMAPMailbox(object):
def get_flags_for_seq(sequence):
d_all_flags = []
for msgid in sequence:
+ # TODO implement sequence numbers here too
d_flags_per_uid = self.collection.get_flags_by_uid(msgid)
d_flags_per_uid.addCallback(pack_flags)
d_all_flags.append(d_flags_per_uid)
@@ -663,7 +677,7 @@ class IMAPMailbox(object):
generator = (item for item in result)
d.callback(generator)
- d_seq = self._get_messages_range(messages_asked)
+ d_seq = self._get_messages_range(messages_asked, uid)
d_seq.addCallback(get_flags_for_seq)
return d_seq
@@ -694,7 +708,8 @@ class IMAPMailbox(object):
# TODO implement sequences
is_sequence = True if uid == 0 else False
if is_sequence:
- raise NotImplementedError
+ raise NotImplementedError(
+ "FETCH HEADERS NOT IMPLEMENTED FOR SEQUENCE NUMBER YET")
class headersPart(object):
def __init__(self, uid, headers):
@@ -748,11 +763,6 @@ class IMAPMailbox(object):
:raise ReadOnlyMailbox: Raised if this mailbox is not open for
read-write.
"""
- # TODO implement sequences
- is_sequence = True if uid == 0 else False
- if is_sequence:
- raise NotImplementedError
-
if not self.isWriteable():
log.msg('read only mailbox!')
raise imap4.ReadOnlyMailbox
@@ -762,8 +772,9 @@ class IMAPMailbox(object):
mode, uid, d)
if PROFILE_CMD:
do_profile_cmd(d, "STORE")
+
d.addCallback(self.collection.cb_signal_unread_to_ui)
- d.addErrback(lambda f: log.msg(f.getTraceback()))
+ d.addErrback(lambda f: log.err(f))
return d
def _do_store(self, messages_asked, flags, mode, uid, observer):
@@ -777,14 +788,13 @@ class IMAPMailbox(object):
done.
:type observer: deferred
"""
- # TODO implement also sequence (uid = 0)
# TODO we should prevent client from setting Recent flag
+ get_msg_fun = self._get_message_fun(uid)
leap_assert(not isinstance(flags, basestring),
"flags cannot be a string")
flags = tuple(flags)
def set_flags_for_seq(sequence):
-
def return_result_dict(list_of_flags):
result = dict(zip(list(sequence), list_of_flags))
observer.callback(result)
@@ -792,7 +802,7 @@ class IMAPMailbox(object):
d_all_set = []
for msgid in sequence:
- d = self.collection.get_message_by_uid(msgid)
+ d = get_msg_fun(msgid)
d.addCallback(lambda msg: self.collection.update_flags(
msg, flags, mode))
d_all_set.append(d)
@@ -800,7 +810,7 @@ class IMAPMailbox(object):
got_flags_setted.addCallback(return_result_dict)
return got_flags_setted
- d_seq = self._get_messages_range(messages_asked)
+ d_seq = self._get_messages_range(messages_asked, uid)
d_seq.addCallback(set_flags_for_seq)
return d_seq
diff --git a/src/leap/mail/imap/messages.py b/src/leap/mail/imap/messages.py
index 4c6f10d..9af4c99 100644
--- a/src/leap/mail/imap/messages.py
+++ b/src/leap/mail/imap/messages.py
@@ -173,7 +173,7 @@ class IMAPMessage(object):
:rtype: Any object implementing C{IMessagePart}.
:return: The specified sub-part.
"""
- subpart = self.message.get_subpart(part)
+ subpart = self.message.get_subpart(part + 1)
return IMAPMessagePart(subpart)
def __prefetch_body_file(self):
@@ -204,7 +204,7 @@ class IMAPMessagePart(object):
return self.message_part.is_multipart()
def getSubPart(self, part):
- subpart = self.message_part.get_subpart(part)
+ subpart = self.message_part.get_subpart(part + 1)
return IMAPMessagePart(subpart)
diff --git a/src/leap/mail/mail.py b/src/leap/mail/mail.py
index f6936dd..6a7c558 100644
--- a/src/leap/mail/mail.py
+++ b/src/leap/mail/mail.py
@@ -149,7 +149,7 @@ class MessagePart(object):
# TODO support arbitrarily nested multiparts (right now we only support
# the trivial case)
- def __init__(self, part_map, cdocs={}):
+ def __init__(self, part_map, cdocs={}, nested=False):
"""
:param part_map: a dictionary mapping the subparts for
this MessagePart (1-indexed).
@@ -170,6 +170,7 @@ class MessagePart(object):
"""
self._pmap = part_map
self._cdocs = cdocs
+ self._nested = nested
index = _get_index_for_cdoc(part_map, self._cdocs) or 1
self._index = index
@@ -230,7 +231,7 @@ class MessagePart(object):
cdoc_index = _get_index_for_cdoc(part_map, self._cdocs)
cdoc = self._cdocs.get(cdoc_index, {})
- return MessagePart(part_map, cdocs={1: cdoc})
+ return MessagePart(part_map, cdocs={1: cdoc}, nested=True)
def _get_payload(self, index):
cdoc_wrapper = self._cdocs.get(index, None)
@@ -329,20 +330,17 @@ class Message(object):
def get_subpart(self, part):
"""
- :param part: The number of the part to retrieve, indexed from 0.
+ :param part: The number of the part to retrieve, indexed from 1.
:type part: int
:rtype: MessagePart
"""
if not self.is_multipart():
raise TypeError
- part_index = part + 1
try:
- subpart_dict = self._wrapper.get_subpart_dict(part_index)
+ subpart_dict = self._wrapper.get_subpart_dict(part)
except KeyError:
raise IndexError
- # FIXME instead of passing the index, let the MessagePart figure it out
- # by getting the phash and iterating through the cdocs
return MessagePart(
subpart_dict, cdocs=self._wrapper.cdocs)
@@ -467,6 +465,21 @@ class MessageCollection(object):
self.messageklass, self.store,
metamsg_id, get_cdocs=get_cdocs)
+ def get_message_by_sequence_number(self, msn, get_cdocs=False):
+ """
+ Retrieve a message by its Message Sequence Number.
+ :rtype: Deferred
+ """
+ def get_uid_for_msn(all_uid):
+ return all_uid[msn - 1]
+ d = self.all_uid_iter()
+ d.addCallback(get_uid_for_msn)
+ d.addCallback(
+ lambda uid: self.get_message_by_uid(
+ uid, get_cdocs=get_cdocs))
+ d.addErrback(lambda f: log.err(f))
+ return d
+
def get_message_by_uid(self, uid, absolute=True, get_cdocs=False):
"""
Retrieve a message by its Unique Identifier.
@@ -476,6 +489,8 @@ class MessageCollection(object):
flag. For now, only absolute identifiers are supported.
:rtype: Deferred
"""
+ # TODO deprecate absolute flag, it doesn't make sense UID and
+ # !absolute. use _by_sequence_number instead.
if not absolute:
raise NotImplementedError("Does not support relative ids yet")
@@ -502,6 +517,7 @@ class MessageCollection(object):
return d
def get_flags_by_uid(self, uid, absolute=True):
+ # TODO use sequence numbers
if not absolute:
raise NotImplementedError("Does not support relative ids yet")
@@ -825,6 +841,7 @@ class MessageCollection(object):
self.store, self.mbox_uuid)
mdocs_deleted.addCallback(get_uid_list)
mdocs_deleted.addCallback(delete_uid_entries)
+ mdocs_deleted.addErrback(lambda f: log.err(f))
return mdocs_deleted
# TODO should add a delete-by-uid to collection?