def validate(value):
try:
jsonutils.dumps(value)
except TypeError:
raise exception.InvalidJsonType(value=value)
else:
return value
def before(self, state):
req = state.request
service_catalog = None
if req.headers.get('X_SERVICE_CATALOG') is not None:
try:
catalog_header = req.headers.get('X_SERVICE_CATALOG')
service_catalog = jsonutils.loads(catalog_header)
except ValueError:
raise exception.InvalidJsonType('service catalog')
# NOTE(jamielennox): This is a full auth plugin set by auth_token
# middleware in newer versions.
user_auth_plugin = req.environ.get('keystone.token_auth')
roles = req.headers.get('X-Roles', '').split(',')
is_admin = ('admin' in roles or 'administrator' in roles)
state.request.context = context.RequestContext.from_environ(
req.environ,
user_auth_plugin=user_auth_plugin,
is_admin=is_admin,
service_catalog=service_catalog)