private GraphServiceClient GetAppServiceClient()
{
if (_graphServiceAppClient != null)
{
return(_graphServiceAppClient);
}
_graphServiceAppClient = new GraphServiceClient(new DelegateAuthenticationProvider(
async requestMessage =>
{
// Passing tenant ID to the auth provider to use as a cache key
var accessToken = await _authProvider.GetAppAccessTokenAsync();
// Append the access token to the request
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
}));
return(_graphServiceAppClient);
}
public GraphServiceClient GetAuthenticatedAppClient()
{
if (_graphServiceAppClient != null)
{
return(_graphServiceAppClient);
}
_graphServiceAppClient = new GraphServiceClient(new DelegateAuthenticationProvider(
async requestMessage =>
{
// Passing tenant ID to the auth provider to use as a cache key
var accessToken = await _authProvider.GetAppAccessTokenAsync();
// Append the access token to the request
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
// This header identifies the app in the Microsoft Graph service. If extracting this code for your project please remove.
// requestMessage.Headers.Add("SomeID", "golocal-timetracker"
}));
return(_graphServiceAppClient);
}
public GraphClientAppContext(
IGraphAuthProvider authProvider,
IUserContext userContext)
{
_authProvider = authProvider ?? throw new ArgumentNullException(nameof(authProvider));
_userContext = userContext ?? throw new ArgumentNullException(nameof(userContext));
// Initialize the graph client given the chosen context
if (_graphServiceClient == null)
{
_graphServiceClient = new GraphServiceClient(new DelegateAuthenticationProvider(
async requestMessage =>
{
// Passing tenant ID to the auth provider to use as a cache key
var accessToken = await _authProvider.GetAppAccessTokenAsync();
// Append the access token to the request
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
}));
}
}