private string DecryptOfficeDocument(string sidDocumentIdValue, string identityToken, string content)
{
var splittedContent = content.Split('.');
if (splittedContent.Length != 3)
{
return(null);
}
var encryptionHelper = new EncryptionHelper();
var kid = splittedContent[0];
var credentials = splittedContent[1];
var encryptedContent = splittedContent[2];
var officeDocumentStore = OfficeDocumentStore.Instance();
var decryptionResponse = officeDocumentStore.RestoreDecryption(sidDocumentIdValue);
if (decryptionResponse != null)
{
try
{
var result = encryptionHelper.Decrypt(encryptedContent, decryptionResponse);
return(result);
}
catch (Exception) { }
}
var identityServerClientFactory = new IdentityServerClientFactory();
var identityServerUmaClientFactory = new IdentityServerUmaClientFactory();
var documentManagementFactory = new DocumentManagementFactory();
var umaResourceId = officeDocumentStore.GetUmaResourceId(sidDocumentIdValue).Result;
if (string.IsNullOrWhiteSpace(umaResourceId))
{
return(null);
}
var grantedToken = officeDocumentStore.GetOfficeDocumentAccessTokenViaUmaGrantType(umaResourceId).Result;
if (grantedToken == null)
{
return(null);
}
var decryptedResult = documentManagementFactory.GetOfficeDocumentClient().DecryptResolve(new DecryptDocumentRequest
{
DocumentId = sidDocumentIdValue,
Credentials = credentials,
Kid = kid
}, Constants.DocumentApiConfiguration, grantedToken.AccessToken).Result;
if (decryptedResult.ContainsError)
{
return(null);
}
return(encryptionHelper.Decrypt(encryptedContent, decryptedResult.Content));
}
private OfficeDocumentStore()
{
_identityServerUmaClientFactory = new IdentityServerUmaClientFactory();
_identityServerClientFactory = new IdentityServerClientFactory();
_documentManagementFactory = new DocumentManagementFactory();
_accessTokenStore = AccessTokenStore.Instance();
_authenticationStore = AuthenticationStore.Instance();
_tokens = new List <StoredUmaAccessToken>();
_documents = new List <StoredOfficeDocument>();
}
public ProtectUserController(Window window)
{
_window = window;
_documentManagementFactory = new DocumentManagementFactory();
_identityServerUmaClientFactory = new IdentityServerUmaClientFactory();
_identityServerClientFactory = new IdentityServerClientFactory();
_authenticationStore = AuthenticationStore.Instance();
_officeDocumentStore = OfficeDocumentStore.Instance();
ViewModel = new ProtectUserViewModel();
Init();
ViewModel.DocumentProtected += HandleProtectDocument;
ViewModel.SharedLinkAdded += HandleAddSharedLink;
ViewModel.SelectedSharedLinkRemoved += HandleRemoveSharedLink;
}