private IGraphServiceClient BuildClient(AuthenticationResult authenticationResult)
{
logDebug("buildClient...");
//DeviceCodeProvider authenticationProvider = new DeviceCodeProvider(_publicClientApp, Scopes);
var authenticationProvider = new DelegateAuthenticationProvider(
(requestMessage) =>
{
var access_token = authenticationResult.AccessToken;
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("bearer", access_token);
return(Task.FromResult(0));
});
GraphServiceClientWithState clientWithState = new GraphServiceClientWithState()
{
Client = new GraphServiceClient(authenticationProvider),
RequiresUserInteraction = false,
TokenExpiryDate = authenticationResult.ExpiresOn.LocalDateTime
};
if (authenticationResult.Account == null)
{
throw new Exception("authenticationResult.Account == null!");
}
mClientByUser[authenticationResult.Account.HomeAccountId.Identifier] = clientWithState;
return(clientWithState.Client);
}
private async Task <IGraphServiceClient> TryGetMsGraphClient(String path, bool tryConnect)
{
String userId = OneDrive2ItemLocation <OneDrive2PrefixContainerType> .FromString(path).User.Id;
logDebug("TryGetMsGraphClient for " + userId);
if (mClientByUser.ContainsKey(userId))
{
logDebug("TryGetMsGraphClient found user " + userId);
GraphServiceClientWithState clientWithState = mClientByUser[userId];
if (!(clientWithState.RequiresUserInteraction || (clientWithState.TokenExpiryDate < DateTime.Now) ||
(clientWithState.Client == null)))
{
logDebug("TryGetMsGraphClient returning client");
return(clientWithState.Client);
}
else
{
logDebug("not returning client because " + clientWithState.RequiresUserInteraction + " " +
(clientWithState.TokenExpiryDate < DateTime.Now) + " " + (clientWithState.Client == null));
}
}
if (tryConnect)
{
logDebug("trying to connect...");
if (await TryLoginSilent(path) != null)
{
logDebug("trying to connect ok");
return(mClientByUser[userId].Client);
}
logDebug("trying to connect failed");
}
logDebug("TryGetMsGraphClient for " + userId + " returns null");
return(null);
}
private async Task <string> TryLoginSilent(string iocPath)
{
IAccount account = null;
try
{
if (IsConnected(iocPath))
{
return(iocPath);
}
String userId = OneDrive2ItemLocation <OneDrive2PrefixContainerType> .FromString(iocPath).User?.Id;
logDebug("needs acquire token");
logDebug("trying silent login " + iocPath);
account = Task.Run(async() => await _publicClientApp.GetAccountAsync(userId)).Result;
logDebug("getting user ok.");
}
catch (Exception e)
{
logDebug(e.ToString());
}
if (account != null)
{
try
{
logDebug("AcquireTokenSilent...");
AuthenticationResult authResult = await _publicClientApp.AcquireTokenSilent(Scopes, account)
.ExecuteAsync();
logDebug("AcquireTokenSilent ok.");
BuildClient(authResult);
/*User me = await graphClient.Me.Request().WithForceRefresh(true).GetAsync();
* logDebug("received name " + me.DisplayName);*/
return(BuildRootPathForUser(authResult));
}
catch (MsalUiRequiredException ex)
{
GraphServiceClientWithState clientWithState = new GraphServiceClientWithState()
{
Client = null,
RequiresUserInteraction = true
};
mClientByUser[account.HomeAccountId.Identifier] = clientWithState;
logDebug("ui required");
return(null);
}
catch (Exception ex)
{
logDebug("silent login failed: " + ex.ToString());
return(null);
}
}
return(null);
}
private async Task <IGraphServiceClient> TryGetMsGraphClient(String path, bool tryConnect)
{
String userId = OneDrive2ItemLocation <OneDrive2PrefixContainerType> .FromString(path).User.Id;
if (mClientByUser.ContainsKey(userId))
{
GraphServiceClientWithState clientWithState = mClientByUser[userId];
if (!(clientWithState.RequiresUserInteraction || (clientWithState.TokenExpiryDate < DateTime.Now) || (clientWithState.Client == null)))
{
return(clientWithState.Client);
}
}
if (tryConnect)
{
if (await TryLoginSilent(path) != null)
{
return(mClientByUser[userId].Client);
}
}
return(null);
}
