/// <summary>
/// Signs in the user
/// </summary>
/// <returns>Returns success or failure of login attempt.</returns>
public override async Task <bool> LoginAsync()
{
IsConnected = false;
if (!IsInitialized)
{
throw new InvalidOperationException("Microsoft OneDrive not initialized.");
}
string resourceEndpointUri = null;
if (_accountProviderType == AccountProviderType.Adal)
{
DiscoveryService discoveryService = null;
DiscoverySettings discoverySettings = DiscoverySettings.Load();
if (discoverySettings == null)
{
// For OneDrive for business only
var authDiscoveryResult = await OneDriveAuthenticationHelper.AuthenticateAdalUserForDiscoveryAsync(AppClientId);
discoveryService = await OneDriveAuthenticationHelper.GetUserServiceResource(authDiscoveryResult);
discoverySettings = new DiscoverySettings {
ServiceEndpointUri = discoveryService.ServiceEndpointUri, ServiceResourceId = discoveryService.ServiceResourceId
};
discoverySettings.Save();
}
OneDriveAuthenticationHelper.ResourceUri = discoverySettings.ServiceResourceId;
_accountProvider = OneDriveAuthenticationHelper.CreateAdalAuthenticationProvider(AppClientId);
await OneDriveAuthenticationHelper.AuthenticateAdalUserAsync(true);
resourceEndpointUri = discoverySettings.ServiceEndpointUri;
}
else if (_accountProviderType == AccountProviderType.Msa)
{
OneDriveAuthenticationHelper.ResourceUri = "https://api.onedrive.com/v1.0";
_accountProvider = OneDriveAuthenticationHelper.CreateMSAAuthenticationProvider(AppClientId, Scopes);
await((MsaAuthenticationProvider)OneDriveAuthenticationHelper.AuthenticationProvider).RestoreMostRecentFromCacheOrAuthenticateUserAsync();
resourceEndpointUri = OneDriveAuthenticationHelper.ResourceUri;
}
else if (_accountProviderType == AccountProviderType.OnlineId)
{
OneDriveAuthenticationHelper.ResourceUri = "https://api.onedrive.com/v1.0";
_accountProvider = new OnlineIdAuthenticationProvider(Scopes);
await((MsaAuthenticationProvider)_accountProvider).RestoreMostRecentFromCacheOrAuthenticateUserAsync();
resourceEndpointUri = OneDriveAuthenticationHelper.ResourceUri;
}
_oneDriveProvider = new OneDriveClient(resourceEndpointUri, _accountProvider);
IsConnected = true;
return(IsConnected);
}
/// <summary>
/// Logout the current user
/// </summary>
/// <returns>success or failure</returns>
public override async Task LogoutAsync()
{
if (!IsInitialized)
{
throw new InvalidOperationException("Microsoft OneDrive not initialized.");
}
if (_accountProvider != null)
{
if (_accountProviderType == AccountProviderType.OnlineId || _accountProviderType == AccountProviderType.Msa)
{
await((MsaAuthenticationProvider)_accountProvider).SignOutAsync();
}
else if (_accountProviderType == AccountProviderType.Adal)
{
OneDriveAuthenticationHelper.AzureAdContext.TokenCache.Clear();
DiscoverySettings.Clear();
UserInfoSettings.Clear();
}
}
}