huysentruitw/oauth2-client-handler

Managed .NET (C#) library for use with HttpClient to transparantly call authorized WebAPI

OAuth2 Client Handler

Managed .NET library for use with HttpClient to transparantly call authorized remote API protected with OAuth2 or OpenID Connect.

Supports .NET Framework 4.5+ and .NET Standard / .NET Core.

Get it on NuGet

PM> Install-Package OAuth2ClientHandler

Usage

var options = new OAuthHttpHandlerOptions
{
    AuthorizerOptions = new AuthorizerOptions
    {
        AuthorizeEndpointUrl = new Uri("http://localhost/authorizer"),
        TokenEndpointUrl = new Uri("http://localhost/token"),
        ClientId = "MyId",
        ClientSecret = "MySecret",
        GrantType = GrantType.ClientCredentials
    }
};

using (var client = new HttpClient(new OAuthHttpHandler(options)))
{
    client.BaseAddress = new Uri("http://localhost");
    var response = await client.GetAsync("/api/protected_api_call");
    // ...
}