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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
from email import encoders
from email.mime.nonmultipart import MIMENonMultipart
from email.mime.multipart import MIMEMultipart
from leap.mail.mail import Message
from twisted.internet import defer
from pixelated.adapter.model.mail import InputMail
from pixelated.adapter.model.status import Status
from pixelated.adapter.services.tag_service import extract_reserved_tags
from leap.mail.adaptors.soledad import SoledadMailAdaptor
class MailService(object):
def __init__(self, mail_sender, mail_store, search_engine, account_email, attachment_store):
self.mail_store = mail_store
self.search_engine = search_engine
self.mail_sender = mail_sender
self.account_email = account_email
self.attachment_store = attachment_store
@defer.inlineCallbacks
def all_mails(self):
mails = yield self.mail_store.all_mails(gracefully_ignore_errors=True)
defer.returnValue(mails)
def save_attachment(self, content, content_type):
return self.attachment_store.add_attachment(content, content_type)
@defer.inlineCallbacks
def mails(self, query, window_size, page):
mail_ids, total = self.search_engine.search(query, window_size, page)
try:
mails = yield self.mail_store.get_mails(mail_ids)
defer.returnValue((mails, total))
except Exception, e:
import traceback
traceback.print_exc()
raise
@defer.inlineCallbacks
def update_tags(self, mail_id, new_tags):
new_tags = self._filter_white_space_tags(new_tags)
reserved_words = extract_reserved_tags(new_tags)
if len(reserved_words):
raise ValueError('None of the following words can be used as tags: ' + ' '.join(reserved_words))
new_tags = self._favor_existing_tags_casing(new_tags)
mail = yield self.mail(mail_id)
mail.tags = set(new_tags)
yield self.mail_store.update_mail(mail)
defer.returnValue(mail)
def _filter_white_space_tags(self, tags):
return [tag.strip() for tag in tags if not tag.isspace()]
def _favor_existing_tags_casing(self, new_tags):
current_tags = [tag['name'] for tag in self.search_engine.tags(query='', skip_default_tags=True)]
current_tags_lower = [tag.lower() for tag in current_tags]
def _use_current_casing(new_tag_lower):
return current_tags[current_tags_lower.index(new_tag_lower)]
return [_use_current_casing(new_tag.lower()) if new_tag.lower() in current_tags_lower else new_tag for new_tag in new_tags]
def mail(self, mail_id):
return self.mail_store.get_mail(mail_id, include_body=True)
def attachment(self, attachment_id):
return self.attachment_store.get_mail_attachment(attachment_id)
@defer.inlineCallbacks
def mail_exists(self, mail_id):
try:
mail = yield self.mail_store.get_mail(mail_id, include_body=False)
defer.returnValue(mail is not None)
except Exception, e:
defer.returnValue(False)
@defer.inlineCallbacks
def send_mail(self, content_dict):
mail = InputMail.from_dict(content_dict, self.account_email)
draft_id = content_dict.get('ident')
self._deduplicate_recipients(mail)
yield self.mail_sender.sendmail(mail)
sent_mail = yield self.move_to_sent(draft_id, mail)
defer.returnValue(sent_mail)
def _deduplicate_recipients(self, mail):
self._remove_canonical(mail)
self._remove_duplicates_form_cc_and_to(mail)
def _remove_canonical(self, mail):
mail.headers['To'] = map(self._remove_canonical_recipient, mail.to)
mail.headers['Cc'] = map(self._remove_canonical_recipient, mail.cc)
mail.headers['Bcc'] = map(self._remove_canonical_recipient, mail.bcc)
def _remove_duplicates_form_cc_and_to(self, mail):
mail.headers['To'] = list(set(self._remove_duplicates(mail.to)).difference(set(mail.bcc)))
mail.headers['Cc'] = list((set(self._remove_duplicates(mail.cc)).difference(set(mail.bcc)).difference(set(mail.to))))
mail.headers['Bcc'] = self._remove_duplicates(mail.bcc)
def _remove_duplicates(self, recipient):
return list(set(recipient))
# TODO removing canocical should, be added back later
def _remove_canonical_recipient(self, recipient):
return recipient.split('<')[1][0:-1] if '<' in recipient else recipient
@defer.inlineCallbacks
def move_to_sent(self, last_draft_ident, mail):
if last_draft_ident:
try:
yield self.mail_store.delete_mail(last_draft_ident)
except Exception as error:
pass
sent_mail = yield self.mail_store.add_mail('SENT', mail.raw)
sent_mail.flags.add(Status.SEEN)
yield self.mail_store.update_mail(sent_mail)
defer.returnValue(sent_mail)
@defer.inlineCallbacks
def mark_as_read(self, mail_id):
mail = yield self.mail(mail_id)
mail.flags.add(Status.SEEN)
yield self.mail_store.update_mail(mail)
@defer.inlineCallbacks
def mark_as_unread(self, mail_id):
mail = yield self.mail(mail_id)
mail.flags.remove(Status.SEEN)
yield self.mail_store.update_mail(mail)
@defer.inlineCallbacks
def delete_mail(self, mail_id):
mail = yield self.mail(mail_id)
if mail is not None:
if mail.mailbox_name.upper() in (u'TRASH', u'DRAFTS'):
yield self.mail_store.delete_mail(mail_id)
else:
yield self.mail_store.move_mail_to_mailbox(mail_id, 'TRASH')
@defer.inlineCallbacks
def recover_mail(self, mail_id):
yield self.mail_store.move_mail_to_mailbox(mail_id, 'INBOX')
@defer.inlineCallbacks
def archive_mail(self, mail_id):
yield self.mail_store.add_mailbox('ARCHIVE')
yield self.mail_store.move_mail_to_mailbox(mail_id, 'ARCHIVE')
@defer.inlineCallbacks
def delete_permanent(self, mail_id):
yield self.mail_store.delete_mail(mail_id)
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