traefik-plugin-response-code-override

This traefik plugin allows you to take control over the response code returned along with removing response headers and respnse body.

Adding & configuring

Static config

To add a new plugin to a Traefik instance, you must modify that instance's static configuration. The code to be added is provided by the Traefik Pilot UI when you choose Install the Plugin.

Check the most recent release version - in the example version v0.0.3 is used

entryPoints:
  web:
    address: :80

pilot:
    token: xxxxxxxxx

experimental:
  plugins:
    rco:
      moduleName: github.com/elfhosted/traefik-plugin-response-code-override
      version: v0.0.3

Dynamic config

Plugin needs to be configured by adding a dynamic configuration

http:
  middlewares:
    my-rco:
      plugin:
        rco:
          RemoveBody: false
          HeadersToRemove:
            - "Referrer-Policy"
            - "Alt-Svc"
            - "X-Be"
            - "H1"
          Overrides:
            '200': 403
            '403': 404

The configuration options are following:

• RemoveBody: controls if the plugin will remove response body
• HeadersToRemove: are extra headers that you would like to remove from the response to the client

  applies to all response code overrrides !

• Overrides: is a list of origin response mapped to desired client response

Local development

• Download Traefik from

  curl -L https://github.com/traefik/traefik/releases/download/v2.3.2/traefik_v2.3.2_darwin_amd64.tar.gz -output traefik.tar.gz && tar xzf traefik.tar.gz
  

• Download and run docker container

  docker run -d -p 5000:80 --name whoami containous/whoami
  

From this point onward you can develop the plugin. Make sure that the paths will be changed

Contributors

• Lepkem
• Rafpe