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using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authentication.OpenIdConnect;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;

// Connect to Asgardeo for authentication.
builder.Services.AddAuthentication(options => {
    options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme;
})
.AddCookie()

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using Microsoft.Extensions.Configuration;

IConfiguration Configuration = new ConfigurationBuilder()
    .SetBasePath(AppDomain.CurrentDomain.BaseDirectory)
    .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
    .Build();

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{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
    }
  },
  "Asgardeo": {
    "Tenant": "thivi",
    "ClientID": "YegzRZID4Tv_yJfb_dob2R5Z7hMa",

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var options = new OidcClientOptions
{
    Authority = $"https://api.asgardeo.io/t/{ConfigurationManager.AppSettings["Tenant"]}/oauth2/token",
    ClientId = ConfigurationManager.AppSettings["ClientId"],
    ClientSecret = ConfigurationManager.AppSettings["ClientSecret"],
    Scope = "openid profile groups",
    RedirectUri = ConfigurationManager.AppSettings["RedirectURI"],
    PostLogoutRedirectUri = ConfigurationManager.AppSettings["RedirectURI"],
    Browser = new WebView(),
    Policy = new Policy

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_client = new OidcClient(options);

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_authenticationResult = await _client.LoginAsync(new LoginRequest());

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var logoutRequest = new LogoutRequest
{
    IdTokenHint = _authenticationResult.IdentityToken,
    BrowserDisplayMode = IdentityModel.OidcClient.Browser.DisplayMode.Hidden
};
LogoutResult result = await _client.LogoutAsync(logoutRequest);
NameValueCollection queryDict = System.Web.HttpUtility.ParseQueryString(new Uri(result.Response.ToString()).Query.ToString());
if(queryDict.Get("error") == null)
{
    _authenticationResult = null;

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// When the app was activated by a Protocol (custom URI scheme), forwards
// the URI to the SystemBrowser through a static method.
if (args.Kind == ActivationKind.Protocol)
{
    // Extracts the authorization response URI from the arguments.
    ProtocolActivatedEventArgs protocolArgs = (ProtocolActivatedEventArgs)args;
    Uri uri = protocolArgs.Uri;
    WebView.ProcessResponse(uri);
}

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public class WebView : IBrowser
{
    public static TaskCompletionSource<BrowserResult> inFlightRequest;
    public Task<BrowserResult> InvokeAsync(BrowserOptions options, CancellationToken cancellationToken = default)
    {
        inFlightRequest = new TaskCompletionSource<BrowserResult>();
        var currentAppView = ApplicationView.GetForCurrentView();

        RunOnNewView(async () => {
            var newAppView = CreateApplicationView();

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<uap:Extension Category="windows.protocol">
  <uap:Protocol Name="sample">
    <uap:Logo>Assets\Icon.png</uap:Logo>
    <uap:DisplayName>Sample</uap:DisplayName>
  </uap:Protocol>
</uap:Extension>