old_contents: #    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
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  from oslo_config import cfg
  from oslo_log import log as logging
  
  from murano.common import wsgi
  
  ssl_middleware_opts = [
      cfg.StrOpt('secure_proxy_ssl_header',
                 default='X-Forwarded-Proto',
                 help="The HTTP Header that will be used to determine which "
                      "the original request protocol scheme was, even if it was "
                      "removed by an SSL terminator proxy.")
  ]
  cfg.CONF.register_opts(ssl_middleware_opts)
  LOG = logging.getLogger(__name__)
  
  
  class SSLMiddleware(wsgi.Middleware):
      """Replaces the request wsgi.url_scheme environment
  
      A middleware that replaces the request wsgi.url_scheme environment
      variable with the value of HTTP header configured in
      secure_proxy_ssl_header if exists in the incoming request.
      This is useful if the server is behind a SSL termination proxy.
      """
  
      @classmethod
      def factory(cls, global_conf, **local_conf):
          def filter(app):
              return cls(app)
          return filter
  
      def __init__(self, application):
          super(SSLMiddleware, self).__init__(application)
          self.secure_proxy_ssl_header = 'HTTP_{0}'.format(
              cfg.CONF.secure_proxy_ssl_header.upper().replace('-', '_'))
  
      def process_request(self, req):
          LOG.debug('Default url_scheme: {0}. {1}: {2}'.format(
              req.environ['wsgi.url_scheme'], self.secure_proxy_ssl_header,
              req.environ.get(self.secure_proxy_ssl_header)))
          req.environ['wsgi.url_scheme'] = req.environ.get(
              self.secure_proxy_ssl_header, req.environ['wsgi.url_scheme'])
  
new_contents: #    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
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  from oslo_config import cfg
  from oslo_log import log as logging
  
  from murano.common import wsgi
  
  ssl_middleware_opts = [
      cfg.StrOpt('secure_proxy_ssl_header',
                 default='X-Forwarded-Proto',
                 help="The HTTP Header that will be used to determine which "
                      "the original request protocol scheme was, even if it was "
                      "removed by an SSL terminator proxy.")
  ]
  cfg.CONF.register_opts(ssl_middleware_opts)
  LOG = logging.getLogger(__name__)
  
  
  class SSLMiddleware(wsgi.Middleware):
      """Replaces the request wsgi.url_scheme environment
  
      A middleware that replaces the request wsgi.url_scheme environment
      variable with the value of HTTP header configured in
      secure_proxy_ssl_header if exists in the incoming request.
      This is useful if the server is behind a SSL termination proxy.
      """
  
      @classmethod
      def factory(cls, global_conf, **local_conf):
          def filter(app):
              return cls(app)
          return filter
  
      def __init__(self, application):
          super(SSLMiddleware, self).__init__(application)
          self.secure_proxy_ssl_header = 'HTTP_{0}'.format(
              cfg.CONF.secure_proxy_ssl_header.upper().replace('-', '_'))
  
      def process_request(self, req):
          url_scheme = req.environ['wsgi.url_scheme']
          req.environ['wsgi.url_scheme'] = req.environ.get(
              self.secure_proxy_ssl_header, req.environ['wsgi.url_scheme'])
          if url_scheme != req.environ['wsgi.url_scheme']:
              LOG.debug('Changed url_scheme from {0} to {1}'.format(
                  url_scheme, req.environ['wsgi.url_scheme']))
  
subject: Fix debug output for SSLMiddleware X-Forwarded-Proto