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Diffstat (limited to 'src/leap/bitmask/mail/imap/mailbox.py')
| -rw-r--r-- | src/leap/bitmask/mail/imap/mailbox.py | 970 |
1 files changed, 970 insertions, 0 deletions
diff --git a/src/leap/bitmask/mail/imap/mailbox.py b/src/leap/bitmask/mail/imap/mailbox.py new file mode 100644 index 0000000..e70a1d8 --- /dev/null +++ b/src/leap/bitmask/mail/imap/mailbox.py @@ -0,0 +1,970 @@ +# *- coding: utf-8 -*- +# mailbox.py +# Copyright (C) 2013-2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +IMAP Mailbox. +""" +import re +import logging +import os +import cStringIO +import StringIO +import time + +from collections import defaultdict +from email.utils import formatdate + +from twisted.internet import defer +from twisted.internet import reactor +from twisted.python import log + +from twisted.mail import imap4 +from zope.interface import implements + +from leap.common.check import leap_assert +from leap.common.check import leap_assert_type +from leap.mail.constants import INBOX_NAME, MessageFlags +from leap.mail.imap.messages import IMAPMessage + +logger = logging.getLogger(__name__) + +# TODO LIST +# [ ] Restore profile_cmd instrumentation +# [ ] finish the implementation of IMailboxListener +# [ ] implement the rest of ISearchableMailbox + + +""" +If the environment variable `LEAP_SKIPNOTIFY` is set, we avoid +notifying clients of new messages. Use during stress tests. +""" +NOTIFY_NEW = not os.environ.get('LEAP_SKIPNOTIFY', False) +PROFILE_CMD = os.environ.get('LEAP_PROFILE_IMAPCMD', False) + +if PROFILE_CMD: + + def _debugProfiling(result, cmdname, start): + took = (time.time() - start) * 1000 + log.msg("CMD " + cmdname + " TOOK: " + str(took) + " msec") + return result + + def do_profile_cmd(d, name): + """ + Add the profiling debug to the passed callback. + :param d: deferred + :param name: name of the command + :type name: str + """ + d.addCallback(_debugProfiling, name, time.time()) + d.addErrback(lambda f: log.msg(f.getTraceback())) + +INIT_FLAGS = (MessageFlags.SEEN_FLAG, MessageFlags.ANSWERED_FLAG, + MessageFlags.FLAGGED_FLAG, MessageFlags.DELETED_FLAG, + MessageFlags.DRAFT_FLAG, MessageFlags.RECENT_FLAG, + MessageFlags.LIST_FLAG) + + +def make_collection_listener(mailbox): + """ + Wrap a mailbox in a class that can be hashed according to the mailbox name. + + This means that dicts or sets will use this new equality rule, so we won't + collect multiple instances of the same mailbox in collections like the + MessageCollection set where we keep track of listeners. + """ + + class HashableMailbox(object): + + def __init__(self, mbox): + self.mbox = mbox + + # See #8083, pixelated adaptor seems to be misusing this class. + self.mailbox_name = self.mbox.mbox_name + + def __hash__(self): + return hash(self.mbox.mbox_name) + + def __eq__(self, other): + return self.mbox.mbox_name == other.mbox.mbox_name + + def notify_new(self): + self.mbox.notify_new() + + return HashableMailbox(mailbox) + + +class IMAPMailbox(object): + """ + A Soledad-backed IMAP mailbox. + + Implements the high-level method needed for the Mailbox interfaces. + The low-level database methods are contained in the generic + MessageCollection class. We receive an instance of it and it is made + accessible in the `collection` attribute. + """ + implements( + imap4.IMailbox, + imap4.IMailboxInfo, + imap4.ISearchableMailbox, + # XXX I think we do not need to implement CloseableMailbox, do we? + # We could remove ourselves from the collectionListener, although I + # think it simply will be garbage collected. + # imap4.ICloseableMailbox + imap4.IMessageCopier) + + init_flags = INIT_FLAGS + + CMD_MSG = "MESSAGES" + CMD_RECENT = "RECENT" + CMD_UIDNEXT = "UIDNEXT" + CMD_UIDVALIDITY = "UIDVALIDITY" + CMD_UNSEEN = "UNSEEN" + + # TODO we should turn this into a datastructure with limited capacity + _listeners = defaultdict(set) + + def __init__(self, collection, rw=1): + """ + :param collection: instance of MessageCollection + :type collection: MessageCollection + + :param rw: read-and-write flag for this mailbox + :type rw: int + """ + self.rw = rw + self._uidvalidity = None + self.collection = collection + self.collection.addListener(make_collection_listener(self)) + + @property + def mbox_name(self): + return self.collection.mbox_name + + @property + def listeners(self): + """ + Returns listeners for this mbox. + + The server itself is a listener to the mailbox. + so we can notify it (and should!) after changes in flags + and number of messages. + + :rtype: set + """ + return self._listeners[self.mbox_name] + + def get_imap_message(self, message): + d = defer.Deferred() + IMAPMessage(message, store=self.collection.store, d=d) + return d + + # FIXME this grows too crazily when many instances are fired, like + # during imaptest stress testing. Should have a queue of limited size + # instead. + + def addListener(self, listener): + """ + Add a listener to the listeners queue. + The server adds itself as a listener when there is a SELECT, + so it can send EXIST commands. + + :param listener: listener to add + :type listener: an object that implements IMailboxListener + """ + if not NOTIFY_NEW: + return + + listeners = self.listeners + logger.debug('adding mailbox listener: %s. Total: %s' % ( + listener, len(listeners))) + listeners.add(listener) + + def removeListener(self, listener): + """ + Remove a listener from the listeners queue. + + :param listener: listener to remove + :type listener: an object that implements IMailboxListener + """ + self.listeners.remove(listener) + + def getFlags(self): + """ + Returns the flags defined for this mailbox. + + :returns: tuple of flags for this mailbox + :rtype: tuple of str + """ + flags = self.collection.mbox_wrapper.flags + if not flags: + flags = self.init_flags + flags_str = map(str, flags) + return flags_str + + def setFlags(self, flags): + """ + Sets flags for this mailbox. + + :param flags: a tuple with the flags + :type flags: tuple of str + """ + # XXX this is setting (overriding) old flags. + # Better pass a mode flag + leap_assert(isinstance(flags, tuple), + "flags expected to be a tuple") + return self.collection.set_mbox_attr("flags", flags) + + def getUIDValidity(self): + """ + Return the unique validity identifier for this mailbox. + + :return: unique validity identifier + :rtype: int + """ + return self.collection.get_mbox_attr("created") + + def getUID(self, message_number): + """ + Return the UID of a message in the mailbox + + .. note:: this implementation does not make much sense RIGHT NOW, + but in the future will be useful to get absolute UIDs from + message sequence numbers. + + + :param message: the message sequence number. + :type message: int + + :rtype: int + :return: the UID of the message. + + """ + # TODO support relative sequences. The (imap) message should + # receive a sequence number attribute: a deferred is not expected + return message_number + + def getUIDNext(self): + """ + Return the likely UID for the next message added to this + mailbox. Currently it returns the higher UID incremented by + one. + + :return: deferred with int + :rtype: Deferred + """ + d = self.collection.get_uid_next() + return d + + def getMessageCount(self): + """ + Returns the total count of messages in this mailbox. + + :return: deferred with int + :rtype: Deferred + """ + return self.collection.count() + + def getUnseenCount(self): + """ + Returns the number of messages with the 'Unseen' flag. + + :return: count of messages flagged `unseen` + :rtype: int + """ + return self.collection.count_unseen() + + def getRecentCount(self): + """ + Returns the number of messages with the 'Recent' flag. + + :return: count of messages flagged `recent` + :rtype: int + """ + return self.collection.count_recent() + + def isWriteable(self): + """ + Get the read/write status of the mailbox. + + :return: 1 if mailbox is read-writeable, 0 otherwise. + :rtype: int + """ + # XXX We don't need to store it in the mbox doc, do we? + # return int(self.collection.get_mbox_attr('rw')) + return self.rw + + def getHierarchicalDelimiter(self): + """ + Returns the character used to delimite hierarchies in mailboxes. + + :rtype: str + """ + return '/' + + def requestStatus(self, names): + """ + Handles a status request by gathering the output of the different + status commands. + + :param names: a list of strings containing the status commands + :type names: iter + """ + r = {} + maybe = defer.maybeDeferred + if self.CMD_MSG in names: + r[self.CMD_MSG] = maybe(self.getMessageCount) + if self.CMD_RECENT in names: + r[self.CMD_RECENT] = maybe(self.getRecentCount) + if self.CMD_UIDNEXT in names: + r[self.CMD_UIDNEXT] = maybe(self.getUIDNext) + if self.CMD_UIDVALIDITY in names: + r[self.CMD_UIDVALIDITY] = maybe(self.getUIDValidity) + if self.CMD_UNSEEN in names: + r[self.CMD_UNSEEN] = maybe(self.getUnseenCount) + + def as_a_dict(values): + return dict(zip(r.keys(), values)) + + d = defer.gatherResults(r.values()) + d.addCallback(as_a_dict) + return d + + def addMessage(self, message, flags, date=None, notify_just_mdoc=True): + """ + Adds a message to this mailbox. + + :param message: the raw message + :type message: str + + :param flags: flag list + :type flags: list of str + + :param date: timestamp + :type date: str, or None + + :param notify_just_mdoc: + boolean passed to the wrapper.create method, to indicate whether + we're insterested in being notified right after the mdoc has been + written (as it's the first doc to be written, and quite small, this + is faster, though potentially unsafe). + Setting it to True improves a *lot* the responsiveness of the + APPENDS: we just need to be notified when the mdoc is saved, and + let's just expect that the other parts are doing just fine. This + will not catch any errors when the inserts of the other parts + fail, but on the other hand allows us to return very quickly, + which seems a good compromise given that we have to serialize the + appends. + However, some operations like the saving of drafts need to wait for + all the parts to be saved, so if some heuristics are met down in + the call chain a Draft message will unconditionally set this flag + to False, and therefore ignoring the setting of this flag here. + :type notify_just_mdoc: bool + + :return: a deferred that will be triggered with the UID of the added + message. + """ + # TODO should raise ReadOnlyMailbox if not rw. + # TODO have a look at the cases for internal date in the rfc + # XXX we could treat the message as an IMessage from here + + # TODO change notify_just_mdoc to something more meaningful, like + # fast_insert_notify? + + # TODO notify_just_mdoc *sometimes* make the append tests fail. + # have to find a better solution for this. A workaround could probably + # be to have a list of the ongoing deferreds related to append, so that + # we queue for later all the requests having to do with these. + + # A better solution will probably involve implementing MULTIAPPEND + # extension or patching imap server to support pipelining. + + if isinstance(message, (cStringIO.OutputType, StringIO.StringIO)): + message = message.getvalue() + + leap_assert_type(message, basestring) + + if flags is None: + flags = tuple() + else: + flags = tuple(str(flag) for flag in flags) + + if date is None: + date = formatdate(time.time()) + + d = self.collection.add_msg(message, flags, date=date, + notify_just_mdoc=notify_just_mdoc) + d.addErrback(lambda failure: log.err(failure)) + return d + + def notify_new(self, *args): + """ + Notify of new messages to all the listeners. + + This will be called indirectly by the underlying collection, that will + notify this IMAPMailbox whenever there are changes in the number of + messages in the collection, since we have added ourselves to the + collection listeners. + + :param args: ignored. + """ + if not NOTIFY_NEW: + return + + def cbNotifyNew(result): + exists, recent = result + for listener in self.listeners: + listener.newMessages(exists, recent) + + d = self._get_notify_count() + d.addCallback(cbNotifyNew) + d.addCallback(self.collection.cb_signal_unread_to_ui) + d.addErrback(lambda failure: log.err(failure)) + + def _get_notify_count(self): + """ + Get message count and recent count for this mailbox. + + :return: a deferred that will fire with a tuple, with number of + messages and number of recent messages. + :rtype: Deferred + """ + # XXX this is way too expensive in cases like multiple APPENDS. + # We should have a way of keep a cache or do a self-increment for that + # kind of calls. + d_exists = defer.maybeDeferred(self.getMessageCount) + d_recent = defer.maybeDeferred(self.getRecentCount) + d_list = [d_exists, d_recent] + + def log_num_msg(result): + exists, recent = tuple(result) + logger.debug("NOTIFY (%r): there are %s messages, %s recent" % ( + self.mbox_name, exists, recent)) + return result + + d = defer.gatherResults(d_list) + d.addCallback(log_num_msg) + return d + + # commands, do not rename methods + + def destroy(self): + """ + Called before this mailbox is permanently deleted. + + Should cleanup resources, and set the \\Noselect flag + on the mailbox. + + """ + # XXX this will overwrite all the existing flags + # should better simply addFlag + self.setFlags((MessageFlags.NOSELECT_FLAG,)) + + def remove_mbox(_): + uuid = self.collection.mbox_uuid + d = self.collection.mbox_wrapper.delete(self.collection.store) + d.addCallback( + lambda _: self.collection.mbox_indexer.delete_table(uuid)) + return d + + d = self.deleteAllDocs() + d.addCallback(remove_mbox) + return d + + def expunge(self): + """ + Remove all messages flagged \\Deleted + """ + if not self.isWriteable(): + raise imap4.ReadOnlyMailbox + return self.collection.delete_all_flagged() + + 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 = 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. + + :param messages_asked: IDs of the messages. + :type messages_asked: MessageSet + :return: a Deferred that will fire with a MessageSet + """ + + 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 + 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 defer.succeed(messages_asked) + + def _filter_msg_seq(self, messages_asked): + """ + Filter a message sequence returning only the ones that do exist in the + collection. + + :param messages_asked: IDs of the messages. + :type messages_asked: MessageSet + :rtype: set + """ + # TODO we could pass the asked sequence to the indexer + # all_uid_iter, and bound the sql query instead. + def filter_by_asked(all_msg_uid): + set_asked = set(messages_asked) + set_exist = set(all_msg_uid) + return set_asked.intersection(set_exist) + + d = self.collection.all_uid_iter() + d.addCallback(filter_by_asked) + return d + + def fetch(self, messages_asked, uid): + """ + Retrieve one or more messages in this mailbox. + + from rfc 3501: The data items to be fetched can be either a single atom + or a parenthesized list. + + :param messages_asked: IDs of the messages to retrieve information + about + :type messages_asked: MessageSet + + :param uid: If true, the IDs are UIDs. They are message sequence IDs + otherwise. + :type uid: bool + + :rtype: deferred with a generator that yields... + """ + get_msg_fun = self._get_message_fun(uid) + getimapmsg = self.get_imap_message + + def get_imap_messages_for_range(msg_range): + + def _get_imap_msg(messages): + d_imapmsg = [] + # just in case we got bad data in here + for msg in filter(None, messages): + d_imapmsg.append(getimapmsg(msg)) + return defer.gatherResults(d_imapmsg, consumeErrors=True) + + def _zip_msgid(imap_messages): + zipped = zip( + list(msg_range), imap_messages) + return (item for item in zipped) + + # XXX not called?? + def _unset_recent(sequence): + reactor.callLater(0, self.unset_recent_flags, sequence) + return sequence + + d_msg = [] + for msgid in msg_range: + # XXX We want cdocs because we "probably" are asked for the + # 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(get_msg_fun(msgid, get_cdocs=True)) + + d = defer.gatherResults(d_msg, consumeErrors=True) + d.addCallback(_get_imap_msg) + d.addCallback(_zip_msgid) + d.addErrback(lambda failure: log.err(failure)) + return d + + 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): + """ + A fast method to fetch all flags, tricking just the + needed subset of the MIME interface that's needed to satisfy + a generic FLAGS query. + + Given how LEAP Mail is supposed to work without local cache, + this query is going to be quite common, and also we expect + it to be in the form 1:* at the beginning of a session, so + it's not bad to fetch all the FLAGS docs at once. + + :param messages_asked: IDs of the messages to retrieve information + about + :type messages_asked: MessageSet + + :param uid: If 1, the IDs are UIDs. They are message sequence IDs + otherwise. + :type uid: int + + :return: A tuple of two-tuples of message sequence numbers and + flagsPart, which is a only a partial implementation of + MessagePart. + :rtype: tuple + """ + # is_sequence = True if uid == 0 else False + # XXX FIXME ----------------------------------------------------- + # imap/tests, or muas like mutt, it will choke until we implement + # sequence numbers. This is an easy hack meanwhile. + is_sequence = False + # --------------------------------------------------------------- + + if is_sequence: + 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) + if PROFILE_CMD: + do_profile_cmd(d, "FETCH-ALL-FLAGS") + return d + + def _do_fetch_flags(self, messages_asked, uid, d): + """ + :param messages_asked: IDs of the messages to retrieve information + about + :type messages_asked: MessageSet + + :param uid: If 1, the IDs are UIDs. They are message sequence IDs + otherwise. + :type uid: int + :param d: deferred whose callback will be called with result. + :type d: Deferred + + :rtype: A generator that yields two-tuples of message sequence numbers + and flagsPart + """ + class flagsPart(object): + def __init__(self, uid, flags): + self.uid = uid + self.flags = flags + + def getUID(self): + return self.uid + + def getFlags(self): + return map(str, self.flags) + + def pack_flags(result): + _uid, _flags = result + return _uid, flagsPart(_uid, _flags) + + 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) + gotflags = defer.gatherResults(d_all_flags) + gotflags.addCallback(get_uid_flag_generator) + return gotflags + + def get_uid_flag_generator(result): + generator = (item for item in result) + d.callback(generator) + + d_seq = self._get_messages_range(messages_asked, uid) + d_seq.addCallback(get_flags_for_seq) + return d_seq + + @defer.inlineCallbacks + def fetch_headers(self, messages_asked, uid): + """ + A fast method to fetch all headers, tricking just the + needed subset of the MIME interface that's needed to satisfy + a generic HEADERS query. + + Given how LEAP Mail is supposed to work without local cache, + this query is going to be quite common, and also we expect + it to be in the form 1:* at the beginning of a session, so + **MAYBE** it's not too bad to fetch all the HEADERS docs at once. + + :param messages_asked: IDs of the messages to retrieve information + about + :type messages_asked: MessageSet + + :param uid: If true, the IDs are UIDs. They are message sequence IDs + otherwise. + :type uid: bool + + :return: A tuple of two-tuples of message sequence numbers and + headersPart, which is a only a partial implementation of + MessagePart. + :rtype: tuple + """ + # TODO implement sequences + is_sequence = True if uid == 0 else False + if is_sequence: + raise NotImplementedError( + "FETCH HEADERS NOT IMPLEMENTED FOR SEQUENCE NUMBER YET") + + class headersPart(object): + def __init__(self, uid, headers): + self.uid = uid + self.headers = headers + + def getUID(self): + return self.uid + + def getHeaders(self, _): + return dict( + (str(key), str(value)) + for key, value in + self.headers.items()) + + messages_asked = yield self._bound_seq(messages_asked, uid) + seq_messg = yield self._filter_msg_seq(messages_asked) + + result = [] + for msgid in seq_messg: + msg = yield self.collection.get_message_by_uid(msgid) + headers = headersPart(msgid, msg.get_headers()) + result.append((msgid, headers)) + defer.returnValue(iter(result)) + + def store(self, messages_asked, flags, mode, uid): + """ + Sets the flags of one or more messages. + + :param messages: The identifiers of the messages to set the flags + :type messages: A MessageSet object with the list of messages requested + + :param flags: The flags to set, unset, or add. + :type flags: sequence of str + + :param mode: If mode is -1, these flags should be removed from the + specified messages. If mode is 1, these flags should be + added to the specified messages. If mode is 0, all + existing flags should be cleared and these flags should be + added. + :type mode: -1, 0, or 1 + + :param uid: If true, the IDs specified in the query are UIDs; + otherwise they are message sequence IDs. + :type uid: bool + + :return: A deferred, that will be called with a dict mapping message + sequence numbers to sequences of str representing the flags + set on the message after this operation has been performed. + :rtype: deferred + + :raise ReadOnlyMailbox: Raised if this mailbox is not open for + read-write. + """ + if not self.isWriteable(): + log.msg('read only mailbox!') + raise imap4.ReadOnlyMailbox + + d = defer.Deferred() + reactor.callLater(0, self._do_store, messages_asked, flags, + 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.err(f)) + return d + + def _do_store(self, messages_asked, flags, mode, uid, observer): + """ + Helper method, invoke set_flags method in the IMAPMessageCollection. + + See the documentation for the `store` method for the parameters. + + :param observer: a deferred that will be called with the dictionary + mapping UIDs to flags after the operation has been + done. + :type observer: deferred + """ + # 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) + return result + + d_all_set = [] + for msgid in sequence: + d = get_msg_fun(msgid) + d.addCallback(lambda msg: self.collection.update_flags( + msg, flags, mode)) + d_all_set.append(d) + got_flags_setted = defer.gatherResults(d_all_set) + got_flags_setted.addCallback(return_result_dict) + return got_flags_setted + + d_seq = self._get_messages_range(messages_asked, uid) + d_seq.addCallback(set_flags_for_seq) + return d_seq + + # ISearchableMailbox + + def search(self, query, uid): + """ + Search for messages that meet the given query criteria. + + Warning: this is half-baked, and it might give problems since + it offers the SearchableInterface. + We'll be implementing it asap. + + :param query: The search criteria + :type query: list + + :param uid: If true, the IDs specified in the query are UIDs; + otherwise they are message sequence IDs. + :type uid: bool + + :return: A list of message sequence numbers or message UIDs which + match the search criteria or a C{Deferred} whose callback + will be invoked with such a list. + :rtype: C{list} or C{Deferred} + """ + # TODO see if we can raise w/o interrupting flow + # :raise IllegalQueryError: Raised when query is not valid. + # example query: + # ['UNDELETED', 'HEADER', 'Message-ID', + # XXX fixme, does not exist + # '52D44F11.9060107@dev.bitmask.net'] + + # TODO hardcoding for now! -- we'll support generic queries later on + # but doing a quickfix for avoiding duplicate saves in the draft + # folder. # See issue #4209 + + if len(query) > 2: + if query[1] == 'HEADER' and query[2].lower() == "message-id": + msgid = str(query[3]).strip() + logger.debug("Searching for %s" % (msgid,)) + + d = self.collection.get_uid_from_msgid(str(msgid)) + d.addCallback(lambda result: [result]) + return d + + # nothing implemented for any other query + logger.warning("Cannot process query: %s" % (query,)) + return [] + + # IMessageCopier + + def copy(self, message): + """ + Copy the given message object into this mailbox. + + :param message: an IMessage implementor + :type message: LeapMessage + :return: a deferred that will be fired with the message + uid when the copy succeed. + :rtype: Deferred + """ + # if PROFILE_CMD: + # do_profile_cmd(d, "COPY") + + # A better place for this would be the COPY/APPEND dispatcher + # in server.py, but qtreactor hangs when I do that, so this seems + # to work fine for now. + # d.addCallback(lambda r: self.reactor.callLater(0, self.notify_new)) + # deferLater(self.reactor, 0, self._do_copy, message, d) + # return d + + d = self.collection.copy_msg(message.message, + self.collection.mbox_uuid) + return d + + # convenience fun + + def deleteAllDocs(self): + """ + Delete all docs in this mailbox + """ + # FIXME not implemented + return self.collection.delete_all_docs() + + def unset_recent_flags(self, uid_seq): + """ + Unset Recent flag for a sequence of UIDs. + """ + # FIXME not implemented + return self.collection.unset_recent_flags(uid_seq) + + def __repr__(self): + """ + Representation string for this mailbox. + """ + return u"<IMAPMailbox: mbox '%s' (%s)>" % ( + self.mbox_name, self.collection.count()) + + +_INBOX_RE = re.compile(INBOX_NAME, re.IGNORECASE) + + +def normalize_mailbox(name): + """ + Return a normalized representation of the mailbox ``name``. + + This method ensures that an eventual initial 'inbox' part of a + mailbox name is made uppercase. + + :param name: the name of the mailbox + :type name: unicode + + :rtype: unicode + """ + # XXX maybe it would make sense to normalize common folders too: + # trash, sent, drafts, etc... + if _INBOX_RE.match(name): + # ensure inital INBOX is uppercase + return INBOX_NAME + name[len(INBOX_NAME):] + return name |