This is a kong plugin for extract claims from JWT to the header.

With luarocks(3.9.2) and lua(>5.1)

execute the below command

luarocks make kong-jwt2header-1.0-1.rockspec
luarocks pack kong-jwt2header 1.0-1

This repo contain a lua container for you to pack the plugin yourself. Follow the below step:

Start the container:

docker compose up -d

Pack the plugin using the container:

docker exec -it [CONTAINER_NAME] luarocks make kong-jwt2header-1.0-1.rockspec
docker exec -it [CONTAINER_NAME] luarocks pack kong-jwt2header 1.0-1

docker cp [CONTAINER_NAME]:/tmp/volume/kong-jwt2header-1.0-1.all.rock kong-jwt2header-1.0-1.all.rock

You will have the packed plugin file kong-jwt2header-1.0-1.all.rock

Verify Git is installed on your Kong Node then install via luarocks:

$ luarocks install kong-plugin-jwt2header-1.0-1.all.rock

Once installed, besure to include kong-jwt2header in your KONG_PLUGINS environment variable and reload Kong.

curl -X POST http://localhost:8001/services/{serviceName|Id}/plugins \
    --data "name=kong-jwt2header"  \
    --data "config.claims=sub,aud"

After added the plugin, new headers with prefix X-Kong-JWT-Claim- will be added. ie. X-Kong-JWT-Claim-sub and X-Kong-JWT-Claim-aud

Since this plugin has elements that must run in the Rewrite execution phase, this plugin can only be configured to run globally in a kong workspace or cluster.