private void SaveTokenToDisk(AuthenticationToken token)
{
FileStream fileStream = null;
try
{
// If the file exists, decrypt it before changing its contents
string filePath = Path.Combine(PathHelper.HomeDirectory, "dropbox.json");
#if !MACOSX
if (File.Exists(filePath))
File.Decrypt(filePath);
#endif
// Write file to disk
string json = JsonConvert.SerializeObject(token);
byte[] bytes = Encoding.UTF8.GetBytes(json);
fileStream = File.OpenWrite(filePath);
fileStream.Write(bytes, 0, bytes.Length);
fileStream.Close();
#if !MACOSX
// Encrypt file
File.Encrypt(filePath);
#endif
}
catch (Exception ex)
{
Tracing.Log("DropboxCoreService - SaveTokenToDisk - Failed to save token: {0}", ex);
throw;
}
finally
{
if (fileStream != null)
fileStream.Close();
}
}
private void ContinueLinkApp(AuthenticationToken token)
{
try
{
// Get access token either from parameter or from API
OAuthToken oauthAccessToken = null;
if (token == null)
{
AuthorizedRequestToken requestToken = new AuthorizedRequestToken(_oauthToken, null);
oauthAccessToken = _dropboxServiceProvider.OAuthOperations.ExchangeForAccessTokenAsync(requestToken, null).Result;
}
else
{
oauthAccessToken = new OAuthToken(token.Value, token.Secret);
}
if (OnCloudAuthenticationStatusChanged != null)
OnCloudAuthenticationStatusChanged(CloudAuthenticationStatusType.RequestAccessToken);
// Get Dropbox API instance
_dropbox = _dropboxServiceProvider.GetApi(oauthAccessToken.Value, oauthAccessToken.Secret);
//dropbox.Locale = CultureInfo.CurrentUICulture.IetfLanguageTag;
// Test Dropbox API connection (get user name from profile)
DropboxProfile profile = _dropbox.GetUserProfileAsync().Result;
HasLinkedAccount = true;
// Save token to hard disk
SaveTokenToDisk(new AuthenticationToken() {
Value = oauthAccessToken.Value,
Secret = oauthAccessToken.Secret,
UserName = profile.DisplayName
});
if (OnCloudAuthenticationStatusChanged != null)
OnCloudAuthenticationStatusChanged(CloudAuthenticationStatusType.ConnectedToDropbox);
}
catch (AggregateException ae)
{
HasLinkedAccount = false;
ae.Handle(ex =>
{
if (ex is DropboxApiException)
{
Console.WriteLine(ex.Message);
return true;
}
return false;
});
}
}