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SleekXMPP/sleekxmpp/plugins/xep_0086/stanza.py
2011-03-24 13:14:26 -04:00

91 lines
3.2 KiB
Python

"""
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]