diff options
Diffstat (limited to 'ms/command-executor/src/main/python/request_header_validator_interceptor.py')
-rw-r--r-- | ms/command-executor/src/main/python/request_header_validator_interceptor.py | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/ms/command-executor/src/main/python/request_header_validator_interceptor.py b/ms/command-executor/src/main/python/request_header_validator_interceptor.py new file mode 100644 index 000000000..261357337 --- /dev/null +++ b/ms/command-executor/src/main/python/request_header_validator_interceptor.py @@ -0,0 +1,38 @@ +# +# Copyright (C) 2019 Bell Canada. +# +# 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. +# + +import grpc + + +def _unary_unary_rpc_terminator(code, details): + def terminate(ignored_request, context): + context.abort(code, details) + + return grpc.unary_unary_rpc_method_handler(terminate) + + +class RequestHeaderValidatorInterceptor(grpc.ServerInterceptor): + + def __init__(self, header, value, code, details): + self._header = header + self._value = value + self._terminator = _unary_unary_rpc_terminator(code, details) + + def intercept_service(self, continuation, handler_call_details): + if (self._header, self._value) in handler_call_details.invocation_metadata: + return continuation(handler_call_details) + else: + return self._terminator |