From 634f5d691bab9855deddc4c201389bb60470d76e Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Fri, 1 Jul 2011 14:45:55 -0700
Subject: Continued reorganization and streamlining.

---
 sleekxmpp/features/feature_starttls/__init__.py | 10 ++++
 sleekxmpp/features/feature_starttls/stanza.py   | 47 ++++++++++++++++++
 sleekxmpp/features/feature_starttls/starttls.py | 66 +++++++++++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 sleekxmpp/features/feature_starttls/__init__.py
 create mode 100644 sleekxmpp/features/feature_starttls/stanza.py
 create mode 100644 sleekxmpp/features/feature_starttls/starttls.py

(limited to 'sleekxmpp/features/feature_starttls')

diff --git a/sleekxmpp/features/feature_starttls/__init__.py b/sleekxmpp/features/feature_starttls/__init__.py
new file mode 100644
index 00000000..042e37fa
--- /dev/null
+++ b/sleekxmpp/features/feature_starttls/__init__.py
@@ -0,0 +1,10 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.features.feature_starttls.starttls import feature_starttls
+from sleekxmpp.features.feature_starttls.stanza import *
diff --git a/sleekxmpp/features/feature_starttls/stanza.py b/sleekxmpp/features/feature_starttls/stanza.py
new file mode 100644
index 00000000..5fdafabd
--- /dev/null
+++ b/sleekxmpp/features/feature_starttls/stanza.py
@@ -0,0 +1,47 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.stanza import StreamFeatures
+from sleekxmpp.xmlstream import StanzaBase, ElementBase
+from sleekxmpp.xmlstream import register_stanza_plugin
+
+
+class STARTTLS(ElementBase):
+
+    """
+    """
+
+    name = 'starttls'
+    namespace = 'urn:ietf:params:xml:ns:xmpp-tls'
+    interfaces = set(('required',))
+    plugin_attrib = name
+
+    def get_required(self):
+        """
+        """
+        return True
+
+
+class Proceed(StanzaBase):
+
+    """
+    """
+
+    name = 'proceed'
+    namespace = 'urn:ietf:params:xml:ns:xmpp-tls'
+    interfaces = set()
+
+
+class Failure(StanzaBase):
+
+    """
+    """
+
+    name = 'failure'
+    namespace = 'urn:ietf:params:xml:ns:xmpp-tls'
+    interfaces = set()
diff --git a/sleekxmpp/features/feature_starttls/starttls.py b/sleekxmpp/features/feature_starttls/starttls.py
new file mode 100644
index 00000000..cbb94be0
--- /dev/null
+++ b/sleekxmpp/features/feature_starttls/starttls.py
@@ -0,0 +1,66 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import logging
+
+from sleekxmpp.stanza import StreamFeatures
+from sleekxmpp.xmlstream import RestartStream, register_stanza_plugin
+from sleekxmpp.xmlstream.matcher import *
+from sleekxmpp.xmlstream.handler import *
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.features.feature_starttls import stanza
+
+
+log = logging.getLogger(__name__)
+
+
+class feature_starttls(base_plugin):
+
+    def plugin_init(self):
+        self.name = "STARTTLS"
+        self.rfc = '6120'
+        self.description = "STARTTLS Stream Feature"
+        self.stanza = stanza
+
+        self.xmpp.register_handler(
+                Callback('STARTTLS Proceed',
+                        MatchXPath(stanza.Proceed.tag_name()),
+                        self._handle_starttls_proceed,
+                        instream=True))
+        self.xmpp.register_feature('starttls',
+                self._handle_starttls,
+                restart=True,
+                order=self.config.get('order', 0))
+
+        self.xmpp.register_stanza(stanza.Proceed)
+        self.xmpp.register_stanza(stanza.Failure)
+        register_stanza_plugin(StreamFeatures, stanza.STARTTLS)
+
+    def _handle_starttls(self, features):
+        """
+        Handle notification that the server supports TLS.
+
+        Arguments:
+            features -- The stream:features element.
+        """
+        if not self.xmpp.use_tls:
+            return False
+        elif self.xmpp.ssl_support:
+            self.xmpp.send(features['starttls'], now=True)
+            return True
+        else:
+            log.warning("The module tlslite is required to log in" +\
+                            " to some servers, and has not been found.")
+            return False
+
+    def _handle_starttls_proceed(self, proceed):
+        """Restart the XML stream when TLS is accepted."""
+        log.debug("Starting TLS")
+        if self.xmpp.start_tls():
+            self.xmpp.features.append('starttls')
+            raise RestartStream()
-- 
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