public async Task <string> GetBrokerAuthTokenSilentlyAsync(IDictionary <string, string> brokerPayload, Activity callerActivity)
{
CheckForBrokerAccountInfoInAccountManager(brokerPayload, callerActivity);
Bundle silentOperationBundle = GetSilentBrokerBundle(brokerPayload);
silentOperationBundle.PutString(BrokerConstants.BrokerAccountManagerOperationKey, BrokerConstants.AcquireTokenSilent);
IAccountManagerFuture result = _androidAccountManager.AddAccount(BrokerConstants.BrokerAccountType,
BrokerConstants.AuthtokenType,
null,
silentOperationBundle,
null,
null,
GetPreferredLooper(callerActivity));
if (result != null)
{
Bundle bundleResult = (Bundle)await result.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false);
if (bundleResult.GetBoolean(BrokerConstants.BrokerRequestV2Success))
{
_logger.Info("Android Broker succsesfully refreshed the access token.");
return(bundleResult.GetString(BrokerConstants.BrokerResultV2));
}
}
_logger.Info("Android Broker didn't return any results.");
return(null);
}
public async Task <Intent> GetIntentForInteractiveBrokerRequestAsync(BrokerRequest brokerRequest, Activity callerActivity)
{
Intent intent = null;
try
{
IAccountManagerFuture result = null;
// Callback is not passed since it is making a blocking call to get
// intent. Activity needs to be launched from calling app
// to get the calling app's metadata if needed at BrokerActivity.
Bundle addAccountOptions = new Bundle();
addAccountOptions.PutString(BrokerConstants.BrokerAccountManagerOperationKey, BrokerConstants.GetIntentForInteractiveRequest);
result = _androidAccountManager.AddAccount(BrokerConstants.BrokerAccountType,
BrokerConstants.AuthtokenType,
null,
addAccountOptions,
null,
null,
GetPreferredLooper(callerActivity));
if (result == null)
{
_logger.Info("Android account manager didn't return any results for interactive broker request.");
}
Bundle bundleResult = (Bundle)await result.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false);
intent = (Intent)bundleResult?.GetParcelable(AccountManager.KeyIntent);
//Validate that the intent was created successfully.
if (intent != null)
{
_logger.Info("Intent created from BundleResult is not null. Starting interactive broker request");
// Need caller info UID for broker communication
intent.PutExtra(BrokerConstants.CallerInfoUID, Binder.CallingUid);
}
else
{
_logger.Info("Intent created from BundleResult is null. ");
throw new MsalClientException(MsalError.NullIntentReturnedFromAndroidBroker, MsalErrorMessage.NullIntentReturnedFromBroker);
}
intent = GetInteractiveBrokerIntent(brokerRequest, intent);
}
catch
{
_logger.Error("Error when trying to acquire intent for broker authentication.");
throw;
}
return(intent);
}
public async Task <string> GetBrokerAuthTokenSilentlyAsync(BrokerRequest brokerRequest, Activity callerActivity)
{
CheckForBrokerAccountInfoInAccountManager(brokerRequest, callerActivity);
Bundle silentOperationBundle = CreateSilentBrokerBundle(brokerRequest);
silentOperationBundle.PutString(BrokerConstants.BrokerAccountManagerOperationKey, BrokerConstants.AcquireTokenSilent);
IAccountManagerFuture result = _androidAccountManager.AddAccount(BrokerConstants.BrokerAccountType,
BrokerConstants.AuthtokenType,
null,
silentOperationBundle,
null,
null,
GetPreferredLooper(callerActivity));
if (result != null)
{
Bundle bundleResult = null;
try
{
bundleResult = (Bundle)await result.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false);
}
catch (OperationCanceledException ex)
{
_logger.Error("An error occurred when trying to communicate with the account manager: " + ex.Message);
}
catch (Exception ex)
{
throw new MsalClientException(MsalError.BrokerApplicationRequired, MsalErrorMessage.AndroidBrokerCannotBeInvoked, ex);
}
string responseJson = bundleResult.GetString(BrokerConstants.BrokerResultV2);
bool success = bundleResult.GetBoolean(BrokerConstants.BrokerRequestV2Success);
_logger.Info($"Android Broker Silent call result - success? {success}. ");
if (!success)
{
_logger.Warning($"Android Broker Silent call failed. " +
$"This usually means that the RT cannot be refreshed and interaction is required. " +
$"BundleResult: {bundleResult} Result string: {responseJson}");
}
// upstream logic knows how to extract potential errors from this result
return(responseJson);
}
_logger.Info("Android Broker didn't return any results. ");
return(null);
}
//Inorder for broker to use the V2 endpoint during authentication, MSAL must initiate a handshake with broker to specify what endpoint should be used for the request.
public async Task InitiateBrokerHandshakeAsync(Activity callerActivity)
{
using (_logger.LogMethodDuration())
{
try
{
Bundle helloRequestBundle = new Bundle();
helloRequestBundle.PutString(BrokerConstants.ClientAdvertisedMaximumBPVersionKey, BrokerConstants.BrokerProtocalVersionCode);
helloRequestBundle.PutString(BrokerConstants.ClientConfiguredMinimumBPVersionKey, "2.0");
helloRequestBundle.PutString(BrokerConstants.BrokerAccountManagerOperationKey, "HELLO");
IAccountManagerFuture result = _androidAccountManager.AddAccount(BrokerConstants.BrokerAccountType,
BrokerConstants.AuthtokenType,
null,
helloRequestBundle,
null,
null,
GetPreferredLooper(callerActivity));
if (result != null)
{
Bundle bundleResult = (Bundle)await result.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false);
var bpKey = bundleResult?.GetString(BrokerConstants.NegotiatedBPVersionKey);
if (!string.IsNullOrEmpty(bpKey))
{
_logger.Info("Using broker protocol version: " + bpKey);
return;
}
throw new MsalClientException("Could not negotiate protocol version with broker.");
}
throw new MsalClientException("Could not communicate with broker via account manager");
}
catch
{
_logger.Error("Error when trying to initiate communication with the broker.");
throw;
}
}
}
private async Task <Bundle> ExtractAccountManagerResultAsync(IAccountManagerFuture accountManagerResultFuture)
{
if (accountManagerResultFuture != null)
{
try
{
return((Bundle)await accountManagerResultFuture.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false));
}
catch (System.OperationCanceledException ex)
{
_logger.Error("[Android broker] An error occurred when trying to communicate with the account manager: " + ex.Message);
}
}
throw new MsalClientException("[Android broker] Could not communicate with broker via account manager. Please ensure power optimization settings are turned off. ");
}
//Inorder for broker to use the V2 endpoint during authentication, MSAL must initiate a handshake with broker to specify what endpoint should be used for the request.
public async Task InitiateBrokerHandshakeAsync(Activity callerActivity)
{
using (_logger.LogMethodDuration())
{
try
{
Bundle helloRequestBundle = new Bundle();
helloRequestBundle.PutString(BrokerConstants.ClientAdvertisedMaximumBPVersionKey, BrokerConstants.BrokerProtocalVersionCode);
helloRequestBundle.PutString(BrokerConstants.ClientConfiguredMinimumBPVersionKey, "2.0");
helloRequestBundle.PutString(BrokerConstants.BrokerAccountManagerOperationKey, "HELLO");
IAccountManagerFuture result = _androidAccountManager.AddAccount(BrokerConstants.BrokerAccountType,
BrokerConstants.AuthtokenType,
null,
helloRequestBundle,
null,
null,
GetPreferredLooper(callerActivity));
if (result != null)
{
Bundle bundleResult = (Bundle)await result.GetResultAsync(
AccountManagerTimeoutSeconds,
TimeUnit.Seconds)
.ConfigureAwait(false);
var bpKey = bundleResult?.GetString(BrokerConstants.NegotiatedBPVersionKey);
if (!string.IsNullOrEmpty(bpKey))
{
_logger.Info("Using broker protocol version: " + bpKey);
return;
}
dynamic errorResult = JObject.Parse(bundleResult?.GetString(BrokerConstants.BrokerResultV2));
string errorCode = null;
string errorDescription = null;
if (!string.IsNullOrEmpty(errorResult))
{
errorCode = errorResult[BrokerResponseConst.BrokerErrorCode]?.ToString();
string errorMessage = errorResult[BrokerResponseConst.BrokerErrorMessage]?.ToString();
errorDescription = $"An error occurred during hand shake with the broker. Error: {errorCode} Error Message: {errorMessage}";
}
else
{
errorCode = BrokerConstants.BrokerUnknownErrorCode;
errorDescription = "An error occurred during hand shake with the broker, no detailed error information was returned";
}
_logger.Error(errorDescription);
throw new MsalClientException(errorCode, errorDescription);
}
throw new MsalClientException("Could not communicate with broker via account manager");
}
catch
{
_logger.Error("Error when trying to initiate communication with the broker.");
throw;
}
}
}