diff options
Diffstat (limited to 'sleekxmpp/plugins/xep_0066/oob.py')
| -rw-r--r-- | sleekxmpp/plugins/xep_0066/oob.py | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/sleekxmpp/plugins/xep_0066/oob.py b/sleekxmpp/plugins/xep_0066/oob.py index b4322351..98cb81cd 100644 --- a/sleekxmpp/plugins/xep_0066/oob.py +++ b/sleekxmpp/plugins/xep_0066/oob.py @@ -6,8 +6,10 @@ See the file LICENSE for copying permission. """ +import logging from sleekxmpp.stanza import Message, Presence, Iq +from sleekxmpp.exceptions import XMPPError from sleekxmpp.xmlstream import register_stanza_plugin from sleekxmpp.xmlstream.handler import Callback from sleekxmpp.xmlstream.matcher import StanzaPath @@ -15,6 +17,9 @@ from sleekxmpp.plugins.base import base_plugin from sleekxmpp.plugins.xep_0066 import stanza +log = logging.getLogger(__name__) + + class xep_0066(base_plugin): """ @@ -43,6 +48,9 @@ class xep_0066(base_plugin): self.description = 'Out-of-Band Transfer' self.stanza = stanza + self.url_handlers = {'global': self._default_handler, + 'jid': {}} + register_stanza_plugin(Iq, stanza.OOBTransfer) register_stanza_plugin(Message, stanza.OOB) register_stanza_plugin(Presence, stanza.OOB) @@ -58,6 +66,28 @@ class xep_0066(base_plugin): self.xmpp['xep_0030'].add_feature(stanza.OOBTransfer.namespace) self.xmpp['xep_0030'].add_feature(stanza.OOB.namespace) + def register_url_handler(self, jid=None, handler=None): + """ + Register a handler to process download requests, either for all + JIDs or a single JID. + + Arguments: + jid -- If None, then set the handler as a global default. + handler -- If None, then remove the existing handler for the + given JID, or reset the global handler if the JID + is None. + """ + if jid is None: + if handler is not None: + self.url_handlers['global'] = handler + else: + self.url_handlers['global'] = self._default_handler + else: + if handler is not None: + self.url_handlers['jid'][jid] = handler + else: + del self.url_handlers['jid'][jid] + def send_oob(self, to, url, desc=None, ifrom=None, **iqargs): """ Initiate a basic file transfer by sending the URL of @@ -84,6 +114,41 @@ class xep_0066(base_plugin): iq['oob_transfer']['desc'] = desc return iq.send(**iqargs) + def _run_url_handler(self, iq): + """ + Execute the appropriate handler for a transfer request. + + Arguments: + iq -- The Iq stanza containing the OOB transfer request. + """ + if iq['to'] in self.url_handlers['jid']: + return self.url_handlers['jid'][jid](iq) + else: + if self.url_handlers['global']: + self.url_handlers['global'](iq) + else: + raise XMPPError('service-unavailable') + + def _default_handler(self, iq): + """ + As a safe default, don't actually download files. + + Register a new handler using self.register_url_handler to + screen requests and download files. + + Arguments: + iq -- The Iq stanza containing the OOB transfer request. + """ + raise XMPPError('service-unavailable') + def _handle_transfer(self, iq): - """Handle receiving an out-of-band transfer request.""" - self.xmpp.event('oob_transfer', iq) + """ + Handle receiving an out-of-band transfer request. + + Arguments: + iq -- An Iq stanza containing an OOB transfer request. + """ + log.debug('Received out-of-band data request for %s from %s:' % ( + iq['oob_transfer']['url'], iq['from'])) + self._run_url_handler(iq) + iq.reply().send() |