3 files changed, 143 insertions, 0 deletions
diff --git a/sleekxmpp/plugins/xep_0086/__init__.py b/sleekxmpp/plugins/xep_0086/__init__.py
new file mode 100644
index 00000000..b021e2b5
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+++ b/sleekxmpp/plugins/xep_0086/__init__.py
@@ -0,0 +1,10 @@
+"""
+    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_0086.stanza import LegacyError
+from sleekxmpp.plugins.xep_0086.legacy_error import xep_0086
diff --git a/sleekxmpp/plugins/xep_0086/legacy_error.py b/sleekxmpp/plugins/xep_0086/legacy_error.py
new file mode 100644
index 00000000..25b98c5a
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+++ b/sleekxmpp/plugins/xep_0086/legacy_error.py
@@ -0,0 +1,42 @@
+"""
+    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 Error
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.plugins.xep_0086 import stanza, LegacyError
+
+
+class xep_0086(base_plugin):
+
+    """
+    XEP-0086: Error Condition Mappings
+
+    Older XMPP implementations used code based error messages, similar
+    to HTTP response codes. Since then, error condition elements have
+    been introduced. XEP-0086 provides a mapping between the new
+    condition elements and a combination of error types and the older
+    response codes.
+
+    Also see <http://xmpp.org/extensions/xep-0086.html>.
+
+    Configuration Values:
+        override -- Indicates if applying legacy error codes should
+                    be done automatically. Defaults to True.
+                    If False, then inserting legacy error codes can
+                    be done using:
+                        iq['error']['legacy']['condition'] = ...
+    """
+
+    def plugin_init(self):
+        self.xep = '0086'
+        self.description = 'Error Condition Mappings'
+        self.stanza = stanza
+
+        register_stanza_plugin(Error, LegacyError,
+                               overrides=self.config.get('override', True))
diff --git a/sleekxmpp/plugins/xep_0086/stanza.py b/sleekxmpp/plugins/xep_0086/stanza.py
new file mode 100644
index 00000000..6554d249
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0086/stanza.py
@@ -0,0 +1,91 @@
+"""
+    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 Error
+from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
+
+
+class LegacyError(ElementBase):
+
+    """
+    Older XMPP implementations used code based error messages, similar
+    to HTTP response codes. Since then, error condition elements have
+    been introduced. XEP-0086 provides a mapping between the new
+    condition elements and a combination of error types and the older
+    response codes.
+
+    Also see <http://xmpp.org/extensions/xep-0086.html>.
+
+    Example legacy error stanzas:
+        <error xmlns="jabber:client" code="501" type="cancel">
+          <feature-not-implemented
+                xmlns="urn:ietf:params:xml:ns:xmpp-stanzas" />
+        </error>
+
+        <error code="402" type="auth">
+          <payment-required
+                xmlns="urn:ietf:params:xml:ns:xmpp-stanzas" />
+        </error>
+
+    Attributes:
+        error_map -- A map of error conditions to error types and
+                     code values.
+    Methods:
+        setup         -- Overrides ElementBase.setup
+        set_condition -- Remap the type and code interfaces when a
+                         condition is set.
+    """
+
+    name = 'legacy'
+    namespace = Error.namespace
+    plugin_attrib = name
+    interfaces = set(('condition',))
+    overrides = ['set_condition']
+
+    error_map = {'bad-request': ('modify','400'),
+                 'conflict': ('cancel','409'),
+                 'feature-not-implemented': ('cancel','501'),
+                 'forbidden': ('auth','403'),
+                 'gone': ('modify','302'),
+                 'internal-server-error': ('wait','500'),
+                 'item-not-found': ('cancel','404'),
+                 'jid-malformed': ('modify','400'),
+                 'not-acceptable': ('modify','406'),
+                 'not-allowed': ('cancel','405'),
+                 'not-authorized': ('auth','401'),
+                 'payment-required': ('auth','402'),
+                 'recipient-unavailable': ('wait','404'),
+                 'redirect': ('modify','302'),
+                 'registration-required': ('auth','407'),
+                 'remote-server-not-found': ('cancel','404'),
+                 'remote-server-timeout': ('wait','504'),
+                 'resource-constraint': ('wait','500'),
+                 'service-unavailable': ('cancel','503'),
+                 'subscription-required': ('auth','407'),
+                 'undefined-condition': (None,'500'),
+                 'unexpected-request': ('wait','400')}
+
+    def setup(self, xml):
+        """Don't create XML for the plugin."""
+        self.xml = ET.Element('')
+
+    def set_condition(self, value):
+        """
+        Set the error type and code based on the given error
+        condition value.
+
+        Arguments:
+            value -- The new error condition.
+        """
+        self.parent().set_condition(value)
+
+        error_data = self.error_map.get(value, None)
+        if error_data is not None:
+            if error_data[0] is not None:
+                self.parent()['type'] = error_data[0]
+            self.parent()['code'] = error_data[1]