3 files changed, 74 insertions, 0 deletions
diff --git a/slixmpp/features/feature_preapproval/__init__.py b/slixmpp/features/feature_preapproval/__init__.py
new file mode 100644
index 00000000..f22be050
--- /dev/null
+++ b/slixmpp/features/feature_preapproval/__init__.py
@@ -0,0 +1,15 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012  Nathanael C. Fritz
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.plugins.base import register_plugin
+
+from slixmpp.features.feature_preapproval.preapproval import FeaturePreApproval
+from slixmpp.features.feature_preapproval.stanza import PreApproval
+
+
+register_plugin(FeaturePreApproval)
diff --git a/slixmpp/features/feature_preapproval/preapproval.py b/slixmpp/features/feature_preapproval/preapproval.py
new file mode 100644
index 00000000..1d60d7e7
--- /dev/null
+++ b/slixmpp/features/feature_preapproval/preapproval.py
@@ -0,0 +1,42 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012  Nathanael C. Fritz
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+import logging
+
+from slixmpp.stanza import StreamFeatures
+from slixmpp.features.feature_preapproval import stanza
+from slixmpp.xmlstream import register_stanza_plugin
+from slixmpp.plugins.base import BasePlugin
+
+
+log = logging.getLogger(__name__)
+
+
+class FeaturePreApproval(BasePlugin):
+
+    name = 'feature_preapproval'
+    description = 'RFC 6121: Stream Feature: Subscription Pre-Approval'
+    dependences = set()
+    stanza = stanza
+
+    def plugin_init(self):
+        self.xmpp.register_feature('preapproval',
+                self._handle_preapproval,
+                restart=False,
+                order=9001)
+
+        register_stanza_plugin(StreamFeatures, stanza.PreApproval)
+
+    def _handle_preapproval(self, features):
+        """Save notice that the server support subscription pre-approvals.
+
+        Arguments:
+            features -- The stream features stanza.
+        """
+        log.debug("Server supports subscription pre-approvals.")
+        self.xmpp.features.add('preapproval')
diff --git a/slixmpp/features/feature_preapproval/stanza.py b/slixmpp/features/feature_preapproval/stanza.py
new file mode 100644
index 00000000..03d721ef
--- /dev/null
+++ b/slixmpp/features/feature_preapproval/stanza.py
@@ -0,0 +1,17 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012  Nathanael C. Fritz
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.xmlstream import ElementBase
+
+
+class PreApproval(ElementBase):
+
+    name = 'sub'
+    namespace = 'urn:xmpp:features:pre-approval'
+    interfaces = set()
+    plugin_attrib = 'preapproval'