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authorLance Stout <lancestout@gmail.com>2011-08-03 17:02:33 -0700
committerLance Stout <lancestout@gmail.com>2011-08-03 17:02:33 -0700
commit3918ddb07517f944c6a5c10ee84efc47a6290b0e (patch)
tree267458135b7d619999af5fc456d970dc82e88f06 /sleekxmpp/plugins/xep_0066/oob.py
parentd4091dbde641dc9796b51e032ea23a0ba5c1fcbb (diff)
parentccc6ab128128990babbf63d4586cdd43384ae320 (diff)
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Merge branch 'develop' into stream_features
Diffstat (limited to 'sleekxmpp/plugins/xep_0066/oob.py')
-rw-r--r--sleekxmpp/plugins/xep_0066/oob.py69
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()