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authorTomás Touceda <chiiph@leap.se>2014-01-13 22:00:52 -0300
committerTomás Touceda <chiiph@leap.se>2014-01-13 22:00:52 -0300
commitf7eba7bba4787a410852c614a2c46ebe7ecadef9 (patch)
tree1caecec0e07ca24acf20c1afb856db3d075cfa4d /mail
parente1906b5633cc939bd524827cbee9c4a26789bf24 (diff)
parent2c6d1e054242ee8be43f5cd03aad04e4ba40243b (diff)
Merge remote-tracking branch 'refs/remotes/kali/feature/enable-search-by-msg-id' into develop
Diffstat (limited to 'mail')
-rw-r--r--mail/changes/feature_enable-search-by-msg-id3
-rw-r--r--mail/src/leap/mail/imap/fields.py13
-rw-r--r--mail/src/leap/mail/imap/mailbox.py45
-rw-r--r--mail/src/leap/mail/imap/messages.py93
4 files changed, 137 insertions, 17 deletions
diff --git a/mail/changes/feature_enable-search-by-msg-id b/mail/changes/feature_enable-search-by-msg-id
new file mode 100644
index 0000000..accc12f
--- /dev/null
+++ b/mail/changes/feature_enable-search-by-msg-id
@@ -0,0 +1,3 @@
+ o Ability to support SEARCH Commands, limited to HEADER Message-ID.
+ This is a quick workaround for avoiding duplicate saves in Drafts Folder.
+ Closes: #4209
diff --git a/mail/src/leap/mail/imap/fields.py b/mail/src/leap/mail/imap/fields.py
index 70af61f..3d2ac92 100644
--- a/mail/src/leap/mail/imap/fields.py
+++ b/mail/src/leap/mail/imap/fields.py
@@ -45,13 +45,12 @@ class WithMsgFields(object):
HEADERS_KEY = "headers"
DATE_KEY = "date"
SUBJECT_KEY = "subject"
- # XXX DELETE-ME
- #NUM_PARTS_KEY = "numparts" # not needed?!
PARTS_MAP_KEY = "part_map"
BODY_KEY = "body" # link to phash of body
+ MSGID_KEY = "msgid"
# content
- LINKED_FROM_KEY = "lkf"
+ LINKED_FROM_KEY = "lkf" # XXX not implemented yet!
RAW_KEY = "raw"
CTYPE_KEY = "ctype"
@@ -69,10 +68,6 @@ class WithMsgFields(object):
TYPE_HEADERS_VAL = "head"
TYPE_CONTENT_VAL = "cnt"
- # XXX DEPRECATE
- #TYPE_MESSAGE_VAL = "msg"
- #TYPE_ATTACHMENT_VAL = "attach"
-
INBOX_VAL = "inbox"
# Flags in Mailbox and Message
@@ -96,6 +91,7 @@ class WithMsgFields(object):
TYPE_MBOX_IDX = 'by-type-and-mbox'
TYPE_MBOX_UID_IDX = 'by-type-and-mbox-and-uid'
TYPE_SUBS_IDX = 'by-type-and-subscribed'
+ TYPE_MSGID_IDX = 'by-type-and-message-id'
TYPE_MBOX_SEEN_IDX = 'by-type-and-mbox-and-seen'
TYPE_MBOX_RECT_IDX = 'by-type-and-mbox-and-recent'
TYPE_MBOX_DEL_IDX = 'by-type-and-mbox-and-deleted'
@@ -125,6 +121,9 @@ class WithMsgFields(object):
# fdocs uniqueness
TYPE_MBOX_C_HASH_IDX: [KTYPE, MBOX_VAL, CHASH_VAL],
+ # headers doc - search by msgid.
+ TYPE_MSGID_IDX: [KTYPE, MSGID_KEY],
+
# content, headers doc
TYPE_C_HASH_IDX: [KTYPE, CHASH_VAL],
diff --git a/mail/src/leap/mail/imap/mailbox.py b/mail/src/leap/mail/imap/mailbox.py
index c9e8684..ccbf5c2 100644
--- a/mail/src/leap/mail/imap/mailbox.py
+++ b/mail/src/leap/mail/imap/mailbox.py
@@ -39,6 +39,7 @@ from leap.mail.decorators import deferred
from leap.mail.imap.fields import WithMsgFields, fields
from leap.mail.imap.messages import MessageCollection
from leap.mail.imap.parser import MBoxParser
+from leap.mail.utils import first
logger = logging.getLogger(__name__)
@@ -55,6 +56,7 @@ class SoledadMailbox(WithMsgFields, MBoxParser):
imap4.IMailbox,
imap4.IMailboxInfo,
imap4.ICloseableMailbox,
+ imap4.ISearchableMailbox,
imap4.IMessageCopier)
# XXX should finish the implementation of IMailboxListener
@@ -617,6 +619,49 @@ class SoledadMailbox(WithMsgFields, MBoxParser):
self._signal_unread_to_ui()
return result
+ # 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',
+ # '52D44F11.9060107@dev.bitmask.net']
+
+ # TODO hardcoding for now! -- we'll support generic queries later on
+ # but doing a quickfix for avoiding duplicat saves in the draft folder.
+ # See issue #4209
+
+ if query[1] == 'HEADER' and query[2].lower() == "message-id":
+ msgid = str(query[3]).strip()
+ d = self.messages._get_uid_from_msgid(str(msgid))
+ d1 = defer.gatherResults([d])
+ # we want a list, so return it all the same
+ return d1
+
+ # nothing implemented for any other query
+ logger.warning("Cannot process query: %s" % (query,))
+ return []
+
# IMessageCopier
@deferred
diff --git a/mail/src/leap/mail/imap/messages.py b/mail/src/leap/mail/imap/messages.py
index 7b49c80..a3d29d6 100644
--- a/mail/src/leap/mail/imap/messages.py
+++ b/mail/src/leap/mail/imap/messages.py
@@ -20,6 +20,8 @@ LeapMessage and MessageCollection.
import copy
import logging
import re
+import threading
+import time
import StringIO
from collections import defaultdict, namedtuple
@@ -44,6 +46,7 @@ from leap.mail.messageflow import IMessageConsumer, MessageProducer
logger = logging.getLogger(__name__)
+read_write_lock = threading.Lock()
# TODO ------------------------------------------------------------
@@ -53,6 +56,7 @@ logger = logging.getLogger(__name__)
# [ ] Send patch to twisted for bug in imap4.py:5717 (content-type can be
# none? lower-case?)
+
def lowerdict(_dict):
"""
Return a dict with the keys in lowercase.
@@ -60,12 +64,17 @@ def lowerdict(_dict):
:param _dict: the dict to convert
:rtype: dict
"""
+ # TODO should properly implement a CaseInsensitive dict.
+ # Look into requests code.
return dict((key.lower(), value)
for key, value in _dict.items())
CHARSET_PATTERN = r"""charset=([\w-]+)"""
+MSGID_PATTERN = r"""<([\w@.]+)>"""
+
CHARSET_RE = re.compile(CHARSET_PATTERN, re.IGNORECASE)
+MSGID_RE = re.compile(MSGID_PATTERN)
class MessagePart(object):
@@ -897,6 +906,7 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser):
Implements a filter query over the messages contained in a soledad
database.
"""
+
# XXX this should be able to produce a MessageSet methinks
# could validate these kinds of objects turning them
# into a template for the class.
@@ -1044,9 +1054,14 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser):
newline = "\n%s: " % (k,)
headers[k] = newline.join(v)
+ lower_headers = lowerdict(headers)
+ msgid = first(MSGID_RE.findall(
+ lower_headers.get('message-id', '')))
+
hd = self._get_empty_doc(self.HEADERS_DOC)
hd[self.CONTENT_HASH_KEY] = chash
hd[self.HEADERS_KEY] = headers
+ hd[self.MSGID_KEY] = msgid
if not subject and self.SUBJECT_FIELD in headers:
hd[self.SUBJECT_KEY] = first(headers[self.SUBJECT_FIELD])
@@ -1139,16 +1154,17 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser):
logger.debug('enqueuing message docs for write')
ptuple = SoledadWriterPayload
- # first, regular docs: flags and headers
- for doc in docs:
- self.soledad_writer.put(ptuple(
- mode=ptuple.CREATE, payload=doc))
+ with read_write_lock:
+ # first, regular docs: flags and headers
+ for doc in docs:
+ self.soledad_writer.put(ptuple(
+ mode=ptuple.CREATE, payload=doc))
- # and last, but not least, try to create
- # content docs if not already there.
- for cd in cdocs:
- self.soledad_writer.put(ptuple(
- mode=ptuple.CONTENT_CREATE, payload=cd))
+ # and last, but not least, try to create
+ # content docs if not already there.
+ for cd in cdocs:
+ self.soledad_writer.put(ptuple(
+ mode=ptuple.CONTENT_CREATE, payload=cd))
def _remove_cb(self, result):
return result
@@ -1174,7 +1190,7 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser):
d.addCallback(self._remove_cb)
return d
- # getters
+ # getters: specific queries
def _get_fdoc_from_chash(self, chash):
"""
@@ -1201,6 +1217,63 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser):
except Exception as exc:
logger.exception("Unhandled error %r" % exc)
+ def _get_uid_from_msgidCb(self, msgid):
+ hdoc = None
+ with read_write_lock:
+ try:
+ query = self._soledad.get_from_index(
+ fields.TYPE_MSGID_IDX,
+ fields.TYPE_HEADERS_VAL, msgid)
+ if query:
+ if len(query) > 1:
+ logger.warning(
+ "More than one hdoc found for this msgid, "
+ "we got a duplicate!!")
+ # XXX we could take action, like trigger a background
+ # process to kill dupes.
+ hdoc = query.pop()
+ except Exception as exc:
+ logger.exception("Unhandled error %r" % exc)
+
+ if hdoc is None:
+ logger.warning("Could not find hdoc for msgid %s"
+ % (msgid,))
+ return None
+ msg_chash = hdoc.content.get(fields.CONTENT_HASH_KEY)
+ fdoc = self._get_fdoc_from_chash(msg_chash)
+ if not fdoc:
+ logger.warning("Could not find fdoc for msgid %s"
+ % (msgid,))
+ return None
+ return fdoc.content.get(fields.UID_KEY, None)
+
+ @deferred
+ def _get_uid_from_msgid(self, msgid):
+ """
+ Return a UID for a given message-id.
+
+ It first gets the headers-doc for that msg-id, and
+ it found it queries the flags doc for the current mailbox
+ for the matching content-hash.
+
+ :return: A UID, or None
+ """
+ # We need to wait a little bit, cause in some of the cases
+ # the query is received right after we've saved the document,
+ # and we cannot find it otherwise. This seems to be enough.
+
+ # Doing a sleep since we'll be calling this in a secondary thread,
+ # but we'll should be able to collect the results after a
+ # reactor.callLater.
+ # Maybe we can implement something like NOT_DONE_YET in the web
+ # framework, and return from the callback?
+ # See: http://jcalderone.livejournal.com/50226.html
+ # reactor.callLater(0.3, self._get_uid_from_msgidCb, msgid)
+ time.sleep(0.3)
+ return self._get_uid_from_msgidCb(msgid)
+
+ # getters: generic for a mailbox
+
def get_msg_by_uid(self, uid):
"""
Retrieves a LeapMessage by UID.