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authorLance Stout <lancestout@gmail.com>2011-03-24 13:14:26 -0400
committerLance Stout <lancestout@gmail.com>2011-03-24 13:14:26 -0400
commitd94811d81d68d948155d42ff9096c23ccb90a73c (patch)
tree41c435665b8532cbf51a148b46d5b385183bc1c4 /sleekxmpp/plugins/xep_0086/stanza.py
parent6d45971411f88f134abc28051c678986db8e9df8 (diff)
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Added new implementation for XEP-0086.
Diffstat (limited to 'sleekxmpp/plugins/xep_0086/stanza.py')
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diff --git a/sleekxmpp/plugins/xep_0086/stanza.py b/sleekxmpp/plugins/xep_0086/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.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]