ASP.NET OAuth Authorization – Difference between using ClientId and Secret and Username and Password

I’m trying to implement a simple OAuthAuthorizationServerProvider in ASP.NET WebAPI 2. My main purpose is to learn how to have a token for a mobile app. I would like users to login with username & password, and then receive a token (and a refresh token so they won’t have to re-enter credentials once token expires). Later on, I would like to have the chance to open the API for external use by other applications (like one uses Facebook api and such…).

How to let users login to my site using SoundCloud

I want to let users authenticate via SoundCloud for my ASP.NET MVC 4 project. Since there is no .NET SDK, I wrote a custom OAuth2Client to handle the authentication. After adding the client to my AuthConfig.cs, it appropriately showed up as an option to login. The problem is, when I click on the button to login, it always returns

How can I use Django OAuth Toolkit with Python Social Auth?

I’m building an API using Django Rest Framework. Later this API is supposed to be consumed by iOS and Android devices. I want to allow my users to sign-up with oauth2-providers like Facebook and Google. In this case, they shouldn’t have to create an account with my platform at all. But users should also be able to sign-up when not having a Facebook/Google account, for which I’m using django-oauth-toolkit, so I have my own oauth2-provider.