protected override string BuildChallengeUrl(AuthenticationProperties properties, string redirectUri)
{
var secret = new EsiaClientSecret(Options);
Options.ClientSecret = secret.GenerateClientSecret();
var queryStrings = new Dictionary <string, string>
{
{ "response_type", "code" },
{ "client_id", Options.ClientId },
{ "redirect_uri", redirectUri },
{ "scope", secret.Scope },
{ "access_type", Options.AccessType },
{ "state", secret.State },
{ "client_secret", Options.ClientSecret },
{ "timestamp", secret.Timestamp },
};
var authorizationEndpoint = QueryHelpers.AddQueryString(Options.AuthorizationEndpoint, queryStrings);
return(authorizationEndpoint);
}
protected override async Task <OAuthTokenResponse> ExchangeCodeAsync(OAuthCodeExchangeContext context)
{
var secret = new EsiaClientSecret(Options);
Options.ClientSecret = secret.GenerateClientSecret();
var requestParam = new Dictionary <string, string>
{
{ "client_id", Options.ClientId },
{ "code", context.Code },
{ "grant_type", "authorization_code" },
{ "state", secret.State },
{ "scope", secret.Scope },
{ "timestamp", secret.Timestamp },
{ "token_type", "Bearer" },
{ "client_secret", Options.ClientSecret },
{ "redirect_uri", context.RedirectUri }
};
var request = new HttpRequestMessage(HttpMethod.Post, Options.TokenEndpoint);
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
request.Content = new FormUrlEncodedContent(requestParam);
var response = await Backchannel.SendAsync(request, Context.RequestAborted);
if (response.IsSuccessStatusCode)
{
var payload = JsonDocument.Parse(await response.Content.ReadAsStringAsync());
return(OAuthTokenResponse.Success(payload));
}
else
{
var error = "OAuth token endpoint failure: " + await Display(response);
return(OAuthTokenResponse.Failed(new Exception(error)));
}
}