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6a81bdd0b9
I missed these. PR-URL: https://github.com/hasura/graphql-engine-mono/pull/6481 GitOrigin-RevId: 8bc92c27c8de25bc3518be5b788e7b5c55867df8
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
# A "fake" JWK server. Which returns `Cache-Control` and `Expires` headers in its response
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# This is useful for testing our `jwk_url` behaviour
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import datetime
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from http import HTTPStatus
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import http.server
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import requests
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from webserver import MkHandlers, RequestHandler, Response
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def mkJSONResp(json_result):
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return Response(HTTPStatus.OK, json_result, {'Content-Type': 'application/json'})
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# fetch a valid JWK from google servers - this seemed easier than
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# generating key pairs and then constructing a JWK JSON response
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jwk_url = 'https://www.googleapis.com/service_accounts/v1/jwk/securetoken@system.gserviceaccount.com'
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state = {
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'cache-control': 0,
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'expires': 0
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}
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class JwkExpiresHandler(RequestHandler):
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def post(self, request):
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return Response(HTTPStatus.METHOD_NOT_ALLOWED)
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def get(self, request):
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jwk_resp = requests.get(jwk_url)
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res = jwk_resp.json()
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resp = mkJSONResp(res)
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if request.qs and 'error' in request.qs and 'true' in request.qs['error']:
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resp.headers['Expires'] = 'invalid-value'
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else:
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if request.qs and 'seconds' in request.qs and len(request.qs['seconds']) > 0:
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expires_in_secs = int(request.qs['seconds'][0])
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else:
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expires_in_secs = 3
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expiry = datetime.datetime.utcnow() + datetime.timedelta(seconds=expires_in_secs)
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resp.headers['Expires'] = datetime.datetime.strftime(expiry, "%a, %d %b %Y %T GMT")
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state['expires'] += 1
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return resp
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class JwkCacheControlHandler(RequestHandler):
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def post(self, request):
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return Response(HTTPStatus.METHOD_NOT_ALLOWED)
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def get(self, request):
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jwk_resp = requests.get(jwk_url)
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res = jwk_resp.json()
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header_vals = []
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if request.qs:
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for param in request.qs:
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if len(request.qs[param]) > 0:
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val = request.qs[param][0]
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if val == 'true':
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header_vals.append(param)
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elif val.isnumeric():
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header_vals.append(param + "=" + val)
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resp = mkJSONResp(res)
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resp.headers['Cache-Control'] = ", ".join(header_vals)
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# HGE should always prefer Cache-Control over Expires header
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expiry = datetime.datetime.utcnow() + datetime.timedelta(seconds=600)
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resp.headers['Expires'] = datetime.datetime.strftime(expiry, "%a, %d %b %Y %T GMT")
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state['cache-control'] += 1
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return resp
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class StateHandler(RequestHandler):
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def post(self, request):
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return Response(HTTPStatus.METHOD_NOT_ALLOWED)
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def get(self, request):
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resp = mkJSONResp(state)
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return resp
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class ResetStateHandler(RequestHandler):
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def post(self, request):
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state['cache-control'] = 0
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state['expires'] = 0
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return Response(HTTPStatus.OK)
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def get(self, request):
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return Response(HTTPStatus.METHOD_NOT_ALLOWED)
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handlers = MkHandlers({
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# sending query string: `?field=smaxage`, will return Cache-Control with s-maxage, else with max-age
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# sending query string: `error=true` will respond with invalid header value
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'/jwk-cache-control': JwkCacheControlHandler,
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# sending query string: `error=true` will respond with invalid header value
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'/jwk-expires': JwkExpiresHandler,
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# API so that testing can be done
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'/state': StateHandler,
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# Resets the state back to zeros
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'/reset-state': ResetStateHandler
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})
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def create_server(server_address):
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return http.server.HTTPServer(server_address, handlers)
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def stop_server(server):
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server.shutdown()
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server.server_close()
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# if you want to run this module to emulate a JWK server during development
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if __name__ == '__main__':
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s = create_server(('localhost', 5001))
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s.serve_forever()
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stop_server(s)
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