Source code for ironic.api.middleware.json_ext
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
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from oslo_log import log
from ironic.common import utils
LOG = log.getLogger(__name__)
[docs]class JsonExtensionMiddleware(object):
"""Simplified processing of .json extension.
Previously Ironic API used the "guess_content_type_from_ext" feature.
It was never needed, as we never allowed non-JSON content types anyway.
Now that it is removed, this middleware strips .json extension for
backward compatibility.
"""
def __init__(self, app):
self.app = app
def __call__(self, env, start_response):
path = utils.safe_rstrip(env.get('PATH_INFO'), '/')
if path and path.endswith('.json'):
LOG.debug('Stripping .json prefix from %s for compatibility '
'with pecan', path)
env['PATH_INFO'] = path[:-5]
env['HAS_JSON_SUFFIX'] = True
else:
env['HAS_JSON_SUFFIX'] = False
return self.app(env, start_response)