Authentication

@using Skybrud.Social.Spotify.OAuth
@using Skybrud.Social.Spotify.Responses.Authentication

@{
    
    SpotifyOAuthClient client = new SpotifyOAuthClient {
        ClientId = "The client ID of your app",
        ClientSecret = "The client secret of your app",
        RedirectUri = "The redirect of your app"
    };

    if (Request.QueryString["do"] == "login") {

        // Get the redirect URI (if present)
        string redirect = (Request.QueryString["redirect"] ?? "yeah");

        // Set the state
        string state = Guid.NewGuid().ToString();
        Session["Spotify_" + state] = redirect;
        
        // Generate the authorization URL
        string url = client.GetAuthorizationUrl(state);

        // Redirect the user
        Response.Redirect(url);

        return;

    }
    
    if (Request.QueryString["error"] != null) {

        // Get the state from the query string
        string state = Request.QueryString["state"];

        // Remove the session
        if (state != null) { Session.Remove("Spotify_" + state); }

        // Print out the error
        <div class="error">@Request.QueryString["error"]</div>

        return;

    }

    if (Request.QueryString["code"] != null) {

        // Get the state from the query string
        string state = Request.QueryString["state"];

        if (state == null) {
            <div class="error">
                No <strong>state</strong> specified in the query string.
            </div>
            return;
        }

        string session = Session["Spotify_" + state] as string;

        if (session == null) {
            <div class="error">Session expired?</div>
            return;
        }

        Session.Remove("Spotify_" + state);

        <h3>Code</h3>
        <pre>@Request.QueryString["code"]</pre>

    
    
    
    
        SpotifyTokenResponse info = client.GetAccessTokenFromAuthCode(Request.QueryString["code"]);
        
        <h3>Access Token</h3>
        
        <h4>Headers</h4>
        <pre>@String.Join("\n", from string key in info.Headers.Keys select key + " => " + info.Headers[key])</pre>
        
        <h4>Body</h4>
        <pre>@info.Response.Body</pre>
        
        <h4>Access Token</h4>
        <pre>@(String.IsNullOrWhiteSpace(info.Body.AccessToken) ? "Empty" : info.Body.AccessToken)</pre>
        
        <h4>Refresh Token</h4>
        <pre>@(String.IsNullOrWhiteSpace(info.Body.RefreshToken) ? "Empty" : info.Body.RefreshToken)</pre>
        
        <h4>Token Type</h4>
        <pre>@info.Body.TokenType</pre>
        
        return;

    }
    
    <p><a class="btn btn-default" href="@Url.Action("OAuth")?do=login">Login with Spotify</a></p>
    
}