56e359bf8a
This commit applies the Black format to the `dcorch/api` files to ensure that it adheres to the Black code style guidelines. Test Plan: PASS: Success in stx-distcloud-tox-black Story: 2011149 Task: 50445 Change-Id: I9e5bd8ca9dd33a7cdd2ce36e8dcbd4be65c436d7 Signed-off-by: Hugo Brito <hugo.brito@windriver.com>
49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
# Copyright (c) 2017-2022, 2024 Wind River Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log as logging
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from paste.proxy import TransparentProxy
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from dcorch.api.proxy.common.service import Application
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LOG = logging.getLogger(__name__)
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HEADERS = ["HTTP_X_DOMAIN_ID", "HTTP_X_DOMAIN_NAME", "HTTP_OPENSTACK_SYSTEM_SCOPE"]
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class Proxy(Application):
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"""A proxy that sends the request just as it was given,
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including respecting HTTP_HOST, wsgi.url_scheme, etc.
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"""
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def __init__(self):
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self.proxy_app = TransparentProxy()
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def __call__(self, environ, start_response):
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LOG.debug("Proxy the request to the remote host: (%s)", environ["HTTP_HOST"])
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# The http/client.py added validation for illegal headers in python3
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# which doesn't allow None values. If we don't inject these headers
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# and set them to empty string here,
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# the keystonemiddleware/auth-token/_request.py will inject them and
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# set them to None, then the validation for illegal headers will raise
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# an TypeError due to the None values.
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for header in HEADERS:
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if not environ.get(header):
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environ[header] = ""
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result = self.proxy_app(environ, start_response)
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return result
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