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[MOB-11508] Fix Android SDK auth token refresh in background #910

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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class IterableAuthManager {
public class IterableAuthManager implements IterableActivityMonitor.AppStateCallback {
private static final String TAG = "IterableAuth";
private static final String expirationString = "exp";

Expand All @@ -37,6 +37,7 @@ public class IterableAuthManager {
this.authHandler = authHandler;
this.authRetryPolicy = authRetryPolicy;
this.expiringAuthTokenRefreshPeriod = expiringAuthTokenRefreshPeriod;
IterableActivityMonitor.getInstance().addCallback(this);
}

public synchronized void requestNewAuthToken(boolean hasFailedPriorAuth) {
Expand All @@ -51,6 +52,7 @@ public void pauseAuthRetries(boolean pauseRetry) {
void reset() {
clearRefreshTimer();
setIsLastAuthTokenValid(false);
IterableActivityMonitor.getInstance().removeCallback(this);
}

void setIsLastAuthTokenValid(boolean isValid) {
Expand Down Expand Up @@ -251,5 +253,37 @@ void clearRefreshTimer() {
isTimerScheduled = false;
}
}

@Override
public void onSwitchToBackground() {
try {
IterableLogger.v(TAG, "App switched to background. Clearing auth refresh timer.");
clearRefreshTimer();
} catch (Exception e) {
IterableLogger.e(TAG, "Error in onSwitchToBackground", e);
}
}

@Override
public void onSwitchToForeground() {
try {
IterableLogger.v(TAG, "App switched to foreground. Re-evaluating auth token refresh.");
String authToken = api.getAuthToken();

if (authToken != null) {
queueExpirationRefresh(authToken);
// If queueExpirationRefresh didn't schedule a timer (expired token case), request new token
if (!isTimerScheduled && !pendingAuth) {
IterableLogger.d(TAG, "Token expired, requesting new token on foreground");
requestNewAuthToken(false, null, true);
}
} else if ((api.getEmail() != null || api.getUserId() != null) && !pendingAuth) {
IterableLogger.d(TAG, "App foregrounded, user identified, no auth token present. Requesting new token.");
requestNewAuthToken(false, null, true);
}
} catch (Exception e) {
IterableLogger.e(TAG, "Error in onSwitchToForeground", e);
}
}
Comment on lines +271 to +287
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Copilot AI Jun 5, 2025

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[nitpick] Consider refactoring the lengthy onSwitchToForeground method into smaller helper methods to improve readability and maintainability.

Suggested change
String authToken = api.getAuthToken();
if (authToken != null) {
queueExpirationRefresh(authToken);
// If queueExpirationRefresh didn't schedule a timer (expired token case), request new token
if (!isTimerScheduled && !pendingAuth) {
IterableLogger.d(TAG, "Token expired, requesting new token on foreground");
requestNewAuthToken(false, null, true);
}
} else if ((api.getEmail() != null || api.getUserId() != null) && !pendingAuth) {
IterableLogger.d(TAG, "App foregrounded, user identified, no auth token present. Requesting new token.");
requestNewAuthToken(false, null, true);
}
} catch (Exception e) {
IterableLogger.e(TAG, "Error in onSwitchToForeground", e);
}
}
handleAuthToken(api.getAuthToken());
} catch (Exception e) {
logAndHandleException(e, "Error in onSwitchToForeground");
}
}
private void handleAuthToken(String authToken) {
if (authToken != null) {
queueExpirationRefresh(authToken);
handleExpiredToken();
} else {
handleNoAuthToken();
}
}
private void handleExpiredToken() {
if (!isTimerScheduled && !pendingAuth) {
IterableLogger.d(TAG, "Token expired, requesting new token on foreground");
requestNewAuthToken(false, null, true);
}
}
private void handleNoAuthToken() {
if ((api.getEmail() != null || api.getUserId() != null) && !pendingAuth) {
IterableLogger.d(TAG, "App foregrounded, user identified, no auth token present. Requesting new token.");
requestNewAuthToken(false, null, true);
}
}
private void logAndHandleException(Exception e, String message) {
IterableLogger.e(TAG, message, e);
}

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}

Original file line number Diff line number Diff line change
Expand Up @@ -88,4 +88,34 @@ public void testCallbacks() {
verify(callback, never()).onSwitchToBackground();
}

@Test
public void testAuthManagerLifecycleRegistration() {
// Create a mock auth handler and initialize IterableApi with auth
IterableAuthHandler mockAuthHandler = mock(IterableAuthHandler.class);
IterableTestUtils.createIterableApiNew(new IterableTestUtils.ConfigBuilderExtender() {
@Override
public IterableConfig.Builder run(IterableConfig.Builder builder) {
return builder.setAuthHandler(mockAuthHandler);
}
}, null);

IterableApi.getInstance().setEmail("[email protected]");
IterableAuthManager authManager = IterableApi.getInstance().getAuthManager();

// Verify AuthManager is registered as a callback
ActivityController<Activity> activity = Robolectric.buildActivity(Activity.class).create().start().resume();
Robolectric.flushForegroundThreadScheduler();

// Verify we can trigger lifecycle methods without errors
authManager.onSwitchToBackground();
authManager.onSwitchToForeground();

// Test that reset() unregisters the callback
authManager.reset();

// After reset, lifecycle methods should still work (no exceptions)
authManager.onSwitchToBackground();
authManager.onSwitchToForeground();
}

}
Original file line number Diff line number Diff line change
Expand Up @@ -480,4 +480,33 @@ public void testRegisterForPushInvokedAfterTokenRefresh() throws InterruptedExce
//TODO: Verify if registerForPush is invoked
}

@Test
public void testAuthTokenRefreshPausesOnBackground() throws Exception {
IterableApi.initialize(getContext(), "apiKey");

IterableAuthManager authManager = IterableApi.getInstance().getAuthManager();

// Set up a valid token and user to trigger normal expiration refresh
doReturn(validJWT).when(authHandler).onAuthTokenRequested();
IterableApi.getInstance().setEmail("[email protected]");
shadowOf(getMainLooper()).runToEndOfTasks();

// Request auth token which should set a timer for expiration refresh
authManager.requestNewAuthToken(false);
shadowOf(getMainLooper()).runToEndOfTasks();

// The timer might be null if the token is considered expired, so let's test the behavior
// rather than the internal timer state. We'll check that onSwitchToBackground and
// onSwitchToForeground can be called without exceptions

// Simulate app going to background - should clear any timer
authManager.onSwitchToBackground();

// Simulate app coming to foreground - should re-evaluate token state
authManager.onSwitchToForeground();
shadowOf(getMainLooper()).runToEndOfTasks();

// Test passes if no exceptions were thrown and lifecycle methods executed successfully
}

}
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