Initial support for XEP-0231.

3 files changed, 183 insertions, 0 deletions

diff --git a/sleekxmpp/plugins/xep_0231/__init__.py b/sleekxmpp/plugins/xep_0231/__init__.py
new file mode 100644
index 00000000..6a70cc07
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0231/__init__.py
@@ -0,0 +1,16 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, 
+                       Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.plugins.base import register_plugin
+
+from sleekxmpp.plugins.xep_0231.stanza import BitsOfBinary
+from sleekxmpp.plugins.xep_0231.bob import XEP_0231
+
+
+register_plugin(XEP_0231)
diff --git a/sleekxmpp/plugins/xep_0231/bob.py b/sleekxmpp/plugins/xep_0231/bob.py
new file mode 100644
index 00000000..011a1952
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0231/bob.py
@@ -0,0 +1,132 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, 
+                       Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import logging
+import hashlib
+
+from sleekxmpp.stanza import Iq
+from sleekxmpp.exceptions import XMPPError
+from sleekxmpp.xmlstream.handler import Callback
+from sleekxmpp.xmlstream.matcher import StanzaPath
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.plugins.base import BasePlugin
+from sleekxmpp.plugins.xep_0231 import stanza, BitsOfBinary
+
+
+log = logging.getLogger(__name__)
+
+
+class XEP_0231(BasePlugin):
+
+    """
+    XEP-0231 Bits of Binary
+    """
+
+    name = 'xep_0231'
+    description = 'XEP-0231: Bits of Binary'
+    dependencies = set(['xep_0030'])
+
+    def plugin_init(self):
+        self._cids = {}
+
+        self.xmpp['xep_0030'].add_feature('urn:xmpp:bob')
+
+        register_stanza_plugin(Iq, BitsOfBinary)
+
+        self.xmpp.register_handler(
+            Callback('Bits of Binary - Iq',
+                StanzaPath('iq/bob'),
+                self._handle_bob_iq))
+
+        self.xmpp.register_handler(
+            Callback('Bits of Binary - Message',
+                StanzaPath('message/bob'),
+                self._handle_bob))
+
+        self.xmpp.register_handler(
+            Callback('Bits of Binary - Presence',
+                StanzaPath('presence/bob'),
+                self._handle_bob))
+
+        self.api.register(self._get_bob, 'get_bob', default=True)
+        self.api.register(self._set_bob, 'set_bob', default=True)
+        self.api.register(self._del_bob, 'del_bob', default=True)
+
+
+    def set_bob(self, data, mtype, cid=None, max_age=None):
+        if cid is None:
+            cid = 'sha1+%s@bob.xmpp.org' % hashlib.sha1(data).hexdigest()
+
+        bob = BitsOfBinary()
+        bob['data'] = data
+        bob['type'] = mtype
+        bob['cid'] = cid
+        bob['max_age'] = max_age
+
+        self.api['set_bob'](args=bob)
+
+        return cid
+
+    def get_bob(self, jid=None, cid=None, cached=True, ifrom=None, 
+                block=True, timeout=None, callback=None):
+        if cached:
+            data = self.api['get_bob'](None, None, ifrom, args=cid)
+            if data is not None:
+                if not isinstance(data, Iq):
+                    iq = self.xmpp.Iq()
+                    iq.append(data)
+                    return iq
+                return data
+
+        iq = self.xmpp.Iq()
+        iq['to'] = jid
+        iq['from'] = ifrom
+        iq['type'] = 'get'
+        iq['bob']['cid'] = cid
+        return iq.send(block=block, timeout=timeout, callback=callback)
+
+    def del_bob(self, cid):
+        self.api['del_bob'](args=cid)
+
+    def _handle_bob_iq(self, iq):
+        cid = iq['bob']['cid']
+
+        if iq['type'] == 'result':
+            self.api['set_bob'](iq['from'], None, iq['to'], args=iq['bob'])
+            self.xmpp.event('bob', iq)
+        elif iq['type'] == 'get':
+            data = self.api['get_bob'](iq['to'], None, iq['from'], args=cid)
+            if isinstance(data, Iq):
+                data['id'] = iq['id']
+                data.send()
+                return
+
+            iq.reply()
+            iq.append(data)
+            iq.send()
+
+    def _handle_bob(self, stanza):
+        self.api['set_bob'](stanza['from'], None, 
+                            stanza['to'], args=stanza['bob'])
+        self.xmpp.event('bob', stanza)
+
+    # =================================================================
+
+    def _set_bob(self, jid, node, ifrom, bob):
+        self._cids[bob['cid']] = bob
+
+    def _get_bob(self, jid, node, ifrom, cid):
+        if cid in self._cids:
+            return self._cids[cid]
+        else:
+            raise XMPPError('item-not-found')
+
+    def _del_bob(self, jid, node, ifrom, cid):
+        if cid in self._cids:
+            del self._cids[cid]
diff --git a/sleekxmpp/plugins/xep_0231/stanza.py b/sleekxmpp/plugins/xep_0231/stanza.py
new file mode 100644
index 00000000..13d7a5db
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0231/stanza.py
@@ -0,0 +1,35 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, 
+                       Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+
+from base64 import b64encode, b64decode
+
+from sleekxmpp.xmlstream import ElementBase
+
+
+class BitsOfBinary(ElementBase):
+    name = 'data'
+    namespace = 'urn:xmpp:bob'
+    plugin_attrib = 'bob'
+    interfaces = set(('cid', 'max_age', 'type', 'data'))
+
+    def get_max_age(self):
+        return self._get_attr('max-age')
+
+    def set_max_age(self, value):
+        self._set_attr('max-age', value)
+
+    def get_data(self):
+        return b64decode(self.xml.text)
+
+    def set_data(self, value):
+        self.xml.text = b64encode(value)
+
+    def del_data(self):
+        self.xml.text = ''