ASP.NET Web Api: How to pass an access token (oAuth 2.0) using URL parameter?

Question

Do you have any idea how I can use, an access_token generated by the default asp.net web api 2 OAuth 2 authorization mechanism, in the url parameters. Currently I am able to

Answer 1

Well - I agree that the header is a much better alternative - but there are of course situations where the query string is needed. The OAuth2 spec defines it as well.

Anyways - this feature is built into the Katana OAuth2 middleware:

http://leastprivilege.com/2013/10/31/retrieving-bearer-tokens-from-alternative-locations-in-katanaowin/

public class QueryStringOAuthBearerProvider : OAuthBearerAuthenticationProvider
{
    readonly string _name;

    public QueryStringOAuthBearerProvider(string name)
    {
        _name = name;
    }

    public override Task RequestToken(OAuthRequestTokenContext context)
    {
        var value = context.Request.Query.Get(_name);

        if (!string.IsNullOrEmpty(value))
        {
            context.Token = value;
        }

        return Task.FromResult