Added XEP-0066: Out-of-Band Data

sleekxmpp/plugins/xep_0066/__init__.py

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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.plugins.xep_0066 import stanza
+from sleekxmpp.plugins.xep_0066.stanza import OOB, OOBTransfer
+from sleekxmpp.plugins.xep_0066.oob import xep_0066

sleekxmpp/plugins/xep_0066/oob.py

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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+
+from sleekxmpp.stanza import Message, Presence, Iq
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.xmlstream.handler import Callback
+from sleekxmpp.xmlstream.matcher import StanzaPath
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.plugins.xep_0066 import stanza
+
+
+class xep_0066(base_plugin):
+
+    """
+    XEP-0066: Out-of-Band Data
+
+    Out-of-Band Data is a basic method for transferring files between
+    XMPP agents. The URL of the resource in question is sent to the receiving
+    entity, which then downloads the resource before responding to the OOB
+    request. OOB is also used as a generic means to transmit URLs in other
+    stanzas to indicate where to find additional information.
+
+    Also see <http://www.xmpp.org/extensions/xep-0066.html>.
+
+    Events:
+        oob_transfer -- Raised when a request to download a resource
+                        has been received.
+
+    Methods:
+        send_oob -- Send a request to another entity to download a file
+                    or other addressable resource.
+    """
+
+    def plugin_init(self):
+        """Start the XEP-0066 plugin."""
+        self.xep = '0066'
+        self.description = 'Out-of-Band Transfer'
+        self.stanza = stanza
+
+        register_stanza_plugin(Iq, stanza.OOBTransfer)
+        register_stanza_plugin(Message, stanza.OOB)
+        register_stanza_plugin(Presence, stanza.OOB)
+
+        self.xmpp.register_handler(
+                Callback('OOB Transfer',
+                         StanzaPath('iq@type=set/oob_transfer'),
+                         self._handle_transfer))
+
+    def post_init(self):
+        """Handle cross-plugin dependencies."""
+        base_plugin.post_init(self)
+        self.xmpp['xep_0030'].add_feature(stanza.OOBTransfer.namespace)
+        self.xmpp['xep_0030'].add_feature(stanza.OOB.namespace)
+
+    def send_oob(self, to, url, desc=None, ifrom=None, **iqargs):
+        """
+        Initiate a basic file transfer by sending the URL of
+        a file or other resource.
+
+        Arguments:
+            url      -- The URL of the resource to transfer.
+            desc     -- An optional human readable description of the item
+                        that is to be transferred.
+            ifrom    -- Specifiy the sender's JID.
+            block    -- If true, block and wait for the stanzas' reply.
+            timeout  -- The time in seconds to block while waiting for
+                        a reply. If None, then wait indefinitely.
+            callback -- Optional callback to execute when a reply is
+                        received instead of blocking and waiting for
+                        the reply.
+        """
+        iq = self.xmpp.Iq()
+        iq['type'] = 'set'
+        iq['to'] = to
+        if ifrom:
+            iq['from'] = ifrom
+        iq['oob_transfer']['url'] = url
+        iq['oob_transfer']['desc'] = desc
+        return iq.send(**iqargs)
+
+    def _handle_transfer(self, iq):
+        """Handle receiving an out-of-band transfer request."""
+        self.xmpp.event('oob_transfer', iq)

sleekxmpp/plugins/xep_0066/stanza.py

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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase
+
+
+class OOBTransfer(ElementBase):
+
+    """
+    """
+
+    name = 'query'
+    namespace = 'jabber:iq:oob'
+    plugin_attrib = 'oob_transfer'
+    interfaces = set(('url', 'desc', 'sid'))
+    sub_interfaces = set(('url', 'desc'))
+
+
+class OOB(ElementBase):
+
+    """
+    """
+
+    name = 'x'
+    namespace = 'jabber:x:oob'
+    plugin_attrib = 'oob'
+    interfaces = set(('url', 'desc'))
+    sub_interfaces = interfaces

tests/test_stream_xep_0066.py

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+import time
+import threading
+
+from sleekxmpp.test import *
+
+
+class TestOOB(SleekTest):
+
+    def tearDown(self):
+        self.stream_close()
+
+    def testSendOOB(self):
+        """Test sending an OOB transfer request."""
+        self.stream_start(plugins=['xep_0066', 'xep_0030'])
+
+        url = 'http://github.com/fritzy/SleekXMPP/blob/master/README'
+
+        t = threading.Thread(
+                name='send_oob',
+                target=self.xmpp['xep_0066'].send_oob,
+                args=('user@example.com', url),
+                kwargs={'desc': 'SleekXMPP README'})
+
+        t.start()
+
+        self.send("""
+          <iq to="user@example.com" type="set" id="1">
+            <query xmlns="jabber:iq:oob">
+              <url>http://github.com/fritzy/SleekXMPP/blob/master/README</url>
+              <desc>SleekXMPP README</desc>
+            </query>
+          </iq>
+        """)
+
+        self.recv("""
+          <iq id="1" type="result"
+              to="tester@localhost"
+              from="user@example.com" />
+        """)
+
+        t.join()
+
+    def testReceiveOOB(self):
+        """Test receiving an OOB request."""
+        self.stream_start(plugins=['xep_0066', 'xep_0030'])
+
+        events = []
+
+        def receive_oob(iq):
+            events.append(iq['oob_transfer']['url'])
+
+        self.xmpp.add_event_handler('oob_transfer', receive_oob)
+
+        self.recv("""
+          <iq to="tester@localhost"
+              from="user@example.com"
+              type="set" id="1">
+            <query xmlns="jabber:iq:oob">
+              <url>http://github.com/fritzy/SleekXMPP/blob/master/README</url>
+              <desc>SleekXMPP README</desc>
+            </query>
+          </iq>
+        """)
+
+        time.sleep(0.1)
+
+        self.assertEqual(events,
+                ['http://github.com/fritzy/SleekXMPP/blob/master/README'],
+                'URL was not received: %s' % events)
+
+
+suite = unittest.TestLoader().loadTestsFromTestCase(TestOOB)