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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# 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/>.
from nbxmpp.protocol import NodeProcessed
from nbxmpp.namespaces import Namespace
from nbxmpp.structs import StanzaHandler
from nbxmpp.structs import StanzaIDData
from nbxmpp.structs import XHTMLData
from nbxmpp.util import error_factory
from nbxmpp.const import MessageType
from nbxmpp.modules.base import BaseModule
class BaseMessage(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(name='message',
callback=self._process_message_base,
priority=5),
StanzaHandler(name='message',
callback=self._process_message_after_base,
priority=10),
]
def _process_message_base(self, _client, stanza, properties):
properties.type = self._parse_type(stanza)
# Determine remote JID
if properties.is_carbon_message and properties.carbon.is_sent:
properties.jid = stanza.getTo()
elif properties.is_mam_message and not properties.type.is_groupchat:
own_jid = self._client.get_bound_jid()
if own_jid.bare_match(stanza.getFrom()):
properties.jid = stanza.getTo()
else:
properties.jid = stanza.getFrom()
else:
properties.jid = stanza.getFrom()
properties.from_ = stanza.getFrom()
properties.to = stanza.getTo()
properties.id = stanza.getID()
properties.self_message = self._parse_self_message(stanza, properties)
properties.stanza_ids = self._parse_stanza_ids(stanza)
if properties.type.is_error:
properties.error = error_factory(stanza)
def _process_message_after_base(self, _client, stanza, properties):
# This handler runs after decryption handlers had the chance
# to decrypt the body
properties.body = stanza.getBody()
properties.thread = stanza.getThread()
properties.subject = stanza.getSubject()
forms = stanza.getTags('x', namespace=Namespace.DATA)
if forms:
properties.forms = forms
xhtml = stanza.getXHTML()
if xhtml is None:
return
if xhtml.getTag('body', namespace=Namespace.XHTML) is None:
self._log.warning('xhtml without body found')
self._log.warning(stanza)
return
properties.xhtml = XHTMLData(xhtml)
def _parse_type(self, stanza):
type_ = stanza.getType()
if type_ is None:
return MessageType.NORMAL
try:
return MessageType(type_)
except ValueError:
self._log.warning('Message with invalid type: %s', type_)
self._log.warning(stanza)
raise NodeProcessed
@staticmethod
def _parse_self_message(stanza, properties):
if properties.type.is_groupchat:
return False
return stanza.getFrom().bare_match(stanza.getTo())
def _parse_stanza_ids(self, stanza):
stanza_ids = []
for stanza_id in stanza.getTags('stanza-id', namespace=Namespace.SID):
id_ = stanza_id.getAttr('id')
by = stanza_id.getAttr('by')
if not id_ or not by:
self._log.warning('Missing attributes on stanza-id')
self._log.warning(stanza)
continue
stanza_ids.append(StanzaIDData(id=id_, by=by))
return stanza_ids
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