go-jwk-pem

README

go-jwk-pem

Simple CLI to retrieve PEM from JWK keys URL ( which can be autodiscovered )

Examples

With simple command to be executed ( as shown below ) we receive PEM with KID information as well.

Retrieve PEM

go-jwk-pem pubkey --id https://some.url.com/oath/v1/keys

Retrieve PEM and create JSON friendly string

The following command will produce friendly single line result ready to be used in other places ;)

go-jwk-pem pubkey --id https://some.url.com/oath/v1/keys | /usr/bin/env ruby -e 'p ARGF.read'

JWK format

Tool have been build with support of the following format

{
    "keys": [
        {
            "alg": "RS256",
            "e": "AQAB",
            "kid": "DW55A7aX59z8891ZHdFnR9oXU0gMdMqaZt5emFen0V0",
            "kty": "RSA",
            "n": "unANczoCQf16tcmS1o-EeciLoyQkMQdhOeKb7mm9dWZunA-EIbEbqLlEEfdD1kZDFh3aDzT4OYdHyHW_x8IaRhHCHFHKPUV4KLOX1GqOem0umJqwm77v0uKM9B--Hd4lkLwb70aPVeFubtmocx70AiaemoqOzv_lkNxJDuGgpt_aWucxyvtazSeCgEgIHWGGer7TmDPNqSqMHOVCj0mfTYDg0hAFKRB93aAQ",
            "use": "sig"
        }
    ]
}

Why this tool ?

Simple - for purposes of setting up related automations and being lazy to retrieve this info using different frameworks.