public async Task <bool> TryAuthenticateWithUiAsync(ICloudAuthentication authentication)
{
if (IsAuthenticated)
{
await SignOutAsync();
}
IsAuthenticated = !(await authentication.AuthenticateAsync("http://authenticationUri", "http://exceptedUi")).IsCanceled;
return(IsAuthenticated);
}
/// <inheritdoc/>
public async Task <bool> TryAuthenticateWithUiAsync(ICloudAuthentication authentication)
{
var authenticationUriString = $"https://login.live.com/oauth20_authorize.srf?" + $"client_id={SecurityHelper.ToUnsecureString(_clientId)}&redirect_uri={Uri.EscapeDataString(SecurityHelper.ToUnsecureString(_redirectUri))}&response_type=code&display=touch&scope={Uri.EscapeDataString(string.Join(" ", _scope))}";
var authenticationResult = await authentication.AuthenticateAsync(authenticationUriString, SecurityHelper.ToUnsecureString(_redirectUri));
if (authenticationResult.IsCanceled)
{
IsAuthenticated = false;
return(false);
}
try
{
var code = authenticationResult.RedirectedUri?.ToString().Split('=').Last();
using (var handler = new HttpClientHandler())
{
handler.ClientCertificateOptions = ClientCertificateOption.Automatic;
handler.UseDefaultCredentials = true;
handler.Credentials = System.Net.CredentialCache.DefaultCredentials;
using (var httpProvider = new HttpProvider(handler, true))
{
var createMessage = new HttpRequestMessage(HttpMethod.Post, "https://login.live.com/oauth20_token.srf")
{
Content = new StringContent($"client_id={SecurityHelper.ToUnsecureString(_clientId)}&code={code}&grant_type=authorization_code&redirect_uri={SecurityHelper.ToUnsecureString(_redirectUri)}", Encoding.UTF8, "application/x-www-form-urlencoded")
};
var response = await httpProvider.SendAsync(createMessage);
if (response.StatusCode == HttpStatusCode.OK)
{
var json = JObject.Parse(await response.Content.ReadAsStringAsync());
var refreshToken = json["refresh_token"]?.ToString();
TokenProvider.SetToken("RefreshToken", SecurityHelper.EncryptString(SecurityHelper.ToSecureString(refreshToken)));
await TryAuthenticateAsync();
}
else
{
IsAuthenticated = false;
}
}
}
}
catch (Exception exception)
{
Logger.Instance.Error(exception);
IsAuthenticated = false;
}
return(IsAuthenticated);
}
/// <inheritdoc/>
public async Task <bool> TryAuthenticateWithUiAsync(ICloudAuthentication authentication)
{
var oauth2State = Guid.NewGuid().ToString("N");
var authenticationUri = DropboxOAuth2Helper.GetAuthorizeUri(OAuthResponseType.Token, SecurityHelper.ToUnsecureString(_appKey), new Uri(SecurityHelper.ToUnsecureString(_redirectUri)), oauth2State);
var authenticationResult = await authentication.AuthenticateAsync(authenticationUri.ToString(), SecurityHelper.ToUnsecureString(_redirectUri));
if (authenticationResult.IsCanceled)
{
IsAuthenticated = false;
return(IsAuthenticated);
}
var result = DropboxOAuth2Helper.ParseTokenFragment(authenticationResult.RedirectedUri);
if (result.State != oauth2State)
{
IsAuthenticated = false;
return(IsAuthenticated);
}
TokenProvider.SetToken("AccessToken", SecurityHelper.EncryptString(SecurityHelper.ToSecureString(result.AccessToken)));
return(await TryAuthenticateAsync());
}