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73 lines
2.8 KiB
Python
73 lines
2.8 KiB
Python
"""OpenAPI core contrib falcon middlewares module"""
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from openapi_core.contrib.falcon.handlers import FalconOpenAPIErrorsHandler
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from openapi_core.contrib.falcon.requests import FalconOpenAPIRequestFactory
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from openapi_core.contrib.falcon.responses import FalconOpenAPIResponseFactory
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from openapi_core.validation.processors import OpenAPIProcessor
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from openapi_core.validation.request.validators import RequestValidator
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from openapi_core.validation.response.validators import ResponseValidator
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class FalconOpenAPIMiddleware(OpenAPIProcessor):
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def __init__(
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self,
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request_validator,
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response_validator,
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request_factory,
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response_factory,
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openapi_errors_handler,
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):
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super(FalconOpenAPIMiddleware, self).__init__(
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request_validator, response_validator)
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self.request_factory = request_factory
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self.response_factory = response_factory
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self.openapi_errors_handler = openapi_errors_handler
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def process_request(self, req, resp):
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openapi_req = self._get_openapi_request(req)
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req_result = super(FalconOpenAPIMiddleware, self).process_request(
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openapi_req)
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if req_result.errors:
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return self._handle_request_errors(req, resp, req_result)
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req.openapi = req_result
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def process_response(self, req, resp, resource, req_succeeded):
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openapi_req = self._get_openapi_request(req)
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openapi_resp = self._get_openapi_response(resp)
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resp_result = super(FalconOpenAPIMiddleware, self).process_response(
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openapi_req, openapi_resp)
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if resp_result.errors:
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return self._handle_response_errors(req, resp, resp_result)
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def _handle_request_errors(self, req, resp, request_result):
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return self.openapi_errors_handler.handle(
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req, resp, request_result.errors)
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def _handle_response_errors(self, req, resp, response_result):
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return self.openapi_errors_handler.handle(
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req, resp, response_result.errors)
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def _get_openapi_request(self, request):
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return self.request_factory.create(request)
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def _get_openapi_response(self, response):
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return self.response_factory.create(response)
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@classmethod
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def from_spec(
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cls,
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spec,
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request_factory=FalconOpenAPIRequestFactory,
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response_factory=FalconOpenAPIResponseFactory,
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openapi_errors_handler=FalconOpenAPIErrorsHandler,
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):
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request_validator = RequestValidator(spec)
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response_validator = ResponseValidator(spec)
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return cls(
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request_validator=request_validator,
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response_validator=response_validator,
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request_factory=request_factory,
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response_factory=response_factory,
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openapi_errors_handler=openapi_errors_handler,
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)
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