public async Task <MsalTokenResponse> AcquireTokenUsingBrokerAsync(Dictionary <string, string> brokerPayload)
{
_androidBrokerTokenResponse = null;
_correlationId = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.CorrelationId);
//Need to disable warning for non awaited async call.
try
{
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
new TaskFactory().StartNew(() => AcquireTokenInternalAsync(brokerPayload));
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
catch (Exception ex)
{
_logger.Error("Broker Operation Failed to complete.");
if (ex is MsalException)
{
throw;
}
else
{
throw new MsalException(MsalError.AndroidBrokerOperationFailed, ex.Message, ex);
}
}
await _readyForResponse.WaitAsync().ConfigureAwait(false);
return(_androidBrokerTokenResponse);
}
public AndroidBroker(CoreUIParent uiParent, ICoreLogger logger)
{
_activity = uiParent?.Activity;
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_brokerHelper = new AndroidBrokerHelper(Application.Context, logger);
_readyForResponse = new SemaphoreSlim(0);
}
public async Task <MsalTokenResponse> AcquireTokenUsingBrokerAsync(Dictionary <string, string> brokerPayload)
{
s_androidBrokerTokenResponse = null;
s_correlationId = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.CorrelationId);
try
{
// This task will kick off the broker and will block on the _readyForResponse semaphore
// When the broker activity ends, SetBrokerResult is called, which releases the semaphore.
await AcquireTokenInternalAsync(brokerPayload).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.Error("Broker Operation Failed to complete. In order to perform brokered authentication on android" +
" you need to ensure that you have installed either Intune Company Portal (Version 5.0.4689.0 or greater) or Microsoft Authenticator (6.2001.0140 or greater).");
if (ex is MsalException)
{
throw;
}
else
{
throw new MsalClientException(MsalError.AndroidBrokerOperationFailed, ex.Message, ex);
}
}
return(s_androidBrokerTokenResponse);
}
private async Task AcquireTokenInternalAsync(IDictionary <string, string> brokerPayload)
{
_brokerHelper.InitiateBrokerHandshake(_activity);
Context mContext = Application.Context;
brokerPayload[BrokerParameter.BrokerAccountName] = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.LoginHint);
// Don't send silent background request if account information is not provided
if (!string.IsNullOrEmpty(AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.BrokerAccountName)) ||
!string.IsNullOrEmpty(AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.Username)))
{
_logger.Verbose("User is specified for silent token request. Starting silent broker request");
string silentResult = _brokerHelper.GetBrokerAuthTokenSilently(brokerPayload, _activity);
_androidBrokerTokenResponse = CreateMsalTokenResponseFromResult(silentResult);
_readyForResponse?.Release();
return;
}
else
{
_logger.Verbose("User is not specified for silent token request");
}
_logger.Verbose("Starting Android Broker interactive authentication");
// onActivityResult will receive the response for this activity.
// Lauching this activity will switch to the broker app.
Intent brokerIntent = _brokerHelper.GetIntentForInteractiveBrokerRequest(brokerPayload, _activity);
if (brokerIntent != null)
{
try
{
_logger.Info(
"Calling activity pid:" + AndroidNative.OS.Process.MyPid()
+ " tid:" + AndroidNative.OS.Process.MyTid() + "uid:"
+ AndroidNative.OS.Process.MyUid());
_activity.StartActivityForResult(brokerIntent, 1001);
}
catch (ActivityNotFoundException e)
{
_logger.ErrorPiiWithPrefix(e, "Unable to get android activity during interactive broker request");
}
}
await _readyForResponse.WaitAsync().ConfigureAwait(false);
}
public async Task <MsalTokenResponse> AcquireTokenUsingBrokerAsync(Dictionary <string, string> brokerPayload)
{
s_androidBrokerTokenResponse = null;
s_correlationId = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.CorrelationId);
try
{
// This task will kick off the broker and will block on the _readyForResponse semaphore
// When the broker activity ends, SetBrokerResult is called, which releases the semaphore.
await AcquireTokenInternalAsync(brokerPayload).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.Error("Android broker authentication failed.");
HandleBrokerOperationError(ex);
throw;
}
return(s_androidBrokerTokenResponse);
}
private async Task AcquireTokenInternalAsync(IDictionary <string, string> brokerPayload)
{
try
{
if (brokerPayload.ContainsKey(BrokerParameter.BrokerInstallUrl))
{
_logger.Info("Android Broker - broker payload contains install url");
var appLink = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.BrokerInstallUrl);
_logger.Info("Android Broker - Starting ActionView activity to " + appLink);
_activity.StartActivity(new Intent(Intent.ActionView, AndroidNative.Net.Uri.Parse(appLink)));
throw new MsalClientException(
MsalError.BrokerApplicationRequired,
MsalErrorMessage.BrokerApplicationRequired);
}
await _brokerHelper.InitiateBrokerHandshakeAsync(_activity).ConfigureAwait(false);
brokerPayload[BrokerParameter.BrokerAccountName] = AndroidBrokerHelper.GetValueFromBrokerPayload(brokerPayload, BrokerParameter.Username);
// Don't send silent background request if account information is not provided
if (brokerPayload.ContainsKey(BrokerParameter.IsSilentBrokerRequest))
{
_logger.Verbose("User is specified for silent token request. Starting silent broker request.");
string silentResult = await _brokerHelper.GetBrokerAuthTokenSilentlyAsync(brokerPayload, _activity).ConfigureAwait(false);
if (!string.IsNullOrEmpty(silentResult))
{
s_androidBrokerTokenResponse = CreateMsalTokenResponseFromResult(silentResult);
}
else
{
s_androidBrokerTokenResponse = new MsalTokenResponse
{
Error = MsalError.BrokerResponseReturnedError,
ErrorDescription = "Failed to acquire token silently from the broker." + MsalErrorMessage.AndroidBrokerCannotBeInvoked,
};
}
return;
}
else
{
_logger.Verbose("User is not specified for silent token request");
}
_logger.Verbose("Starting Android Broker interactive authentication");
// onActivityResult will receive the response for this activity.
// Lauching this activity will switch to the broker app.
Intent brokerIntent = await _brokerHelper
.GetIntentForInteractiveBrokerRequestAsync(brokerPayload, _activity)
.ConfigureAwait(false);
if (brokerIntent != null)
{
try
{
_logger.Info(
"Calling activity pid:" + AndroidNative.OS.Process.MyPid()
+ " tid:" + AndroidNative.OS.Process.MyTid() + "uid:"
+ AndroidNative.OS.Process.MyUid());
_activity.StartActivityForResult(brokerIntent, 1001);
}
catch (ActivityNotFoundException e)
{
_logger.ErrorPiiWithPrefix(e, "Unable to get android activity during interactive broker request");
throw;
}
}
}
catch (Exception ex)
{
_logger.ErrorPiiWithPrefix(ex, "Broker invocation failed.");
throw;
}
await s_readyForResponse.WaitAsync().ConfigureAwait(false);
}