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authorLance Stout <lancestout@gmail.com>2011-07-05 09:22:17 -0700
committerLance Stout <lancestout@gmail.com>2011-07-05 09:22:17 -0700
commit1d22a0472193a543129875ac9a412de4d11fb8b0 (patch)
treef3b5dbe89df9cb9140780ca57a1d62ea3245414b /sleekxmpp
parent5efb170e1d7d210304d5bc31f343743770d82e13 (diff)
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Added support for custom OOB transfer handlers.
Accepting download requests can be done using: self['xep_0066'].register_url_handler(handler=self.oob_download) # Add jid=... to specify a handler for a particular JID for a # componenent. def oob_download(self, iq): if iq['from'] not in self.custom_oob_whitelist: raise XMPPError('not-authorized') try: data = urllib2.urlopen(iq['oob_transfer']['url']) file = open('oob_download', 'w+') file.write(data.read()) file.close() data.close() except: raise XMPPError('item-not-found')
Diffstat (limited to 'sleekxmpp')
-rw-r--r--sleekxmpp/plugins/xep_0066/oob.py63
1 files changed, 61 insertions, 2 deletions
diff --git a/sleekxmpp/plugins/xep_0066/oob.py b/sleekxmpp/plugins/xep_0066/oob.py
index 1f79492d..98cb81cd 100644
--- a/sleekxmpp/plugins/xep_0066/oob.py
+++ b/sleekxmpp/plugins/xep_0066/oob.py
@@ -9,6 +9,7 @@
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
@@ -47,6 +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)
@@ -62,6 +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
@@ -88,8 +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."""
+ """
+ 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.xmpp.event('oob_transfer', iq)
+ self._run_url_handler(iq)
+ iq.reply().send()