Keycloak SAML helpers

saml_helpers.sh

keycloak_to_pem() {
    input="$(mktemp)"
    echo "-----BEGIN $1-----" > "$input"
    echo "$2" >> "$input"
    echo "-----END $1-----" >> "$input"
    output="$(mktemp)"
    case "$1" in
        "CERTIFICATE")
            openssl x509 -inform PEM -in "$input" -out "$output"
            ;;
        "RSA PRIVATE KEY")
            openssl rsa -in "$input" -out "$output"
            ;;
    esac
    cat "$output"
}

show_saml() {
    base64 -d <<< "$1" | xmllint --format -
}