[GitHub] [openwhisk-apigateway] mhamann opened a new issue #361: Loop detection

[GitBox <gi...@apache.org>]

mhamann opened a new issue #361: Loop detection
URL: https://github.com/apache/openwhisk-apigateway/issues/361
 
 
   Add logic to detect when an API might be calling itself (directly or via another API) in a loop, and terminate the loop.
   
   This can be done through injection of unique headers for every hop through the gateway.
   
   For example:
   
   Client request -> GW: `GET /api1`
   GW inject header: `X-ApiGw-Loop: get_api1`
   GW request -> GW: `GET /api2`
   GW inject header: `X-ApiGw-Loop: get_api1 get_api2`
   GW request -> GW: `GET /api1`
   GW analyzes `X-ApiGw-Loop` and sees `get_api1` is already present
   GW response: `508 Loop detected` (or similar)

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