function handler()

in verify-jwt/index.js [86:113]

• 19 lines of code
• 3 McCabe index (conditional complexity)

function handler(event) {
    var request = event.request;

    //Secret key used to verify JWT token.
    //Update with your own key.
    var key = "LzdWGpAToQ1DqYuzHxE6YOqi7G3X2yvNBot9mCXfx5k";

    // If no JWT token, then generate HTTP redirect 401 response.
    if(!request.querystring.jwt) {
        console.log("Error: No JWT in the querystring");
        return response401;
    }

    var jwtToken = request.querystring.jwt.value;

    try{ 
        jwt_decode(jwtToken, key);
    }
    catch(e) {
        console.log(e);
        return response401;
    }

    //Remove the JWT from the query string if valid and return.
    delete request.querystring.jwt;
    console.log("Valid JWT token");
    return request;
}