// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chrome.browser.sharing.sms_fetcher;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import androidx.annotation.Nullable;
import org.jni_zero.CalledByNative;
import org.jni_zero.JniType;
import org.jni_zero.NativeMethods;
import org.chromium.base.ContextUtils;
import org.chromium.base.Log;
import org.chromium.base.metrics.RecordHistogram;
import org.chromium.chrome.R;
import org.chromium.chrome.browser.device.DeviceConditions;
import org.chromium.chrome.browser.flags.ChromeFeatureList;
import org.chromium.chrome.browser.notifications.NotificationConstants;
import org.chromium.chrome.browser.notifications.NotificationUmaTracker;
import org.chromium.chrome.browser.sharing.SharingNotificationUtil;
import org.chromium.components.browser_ui.notifications.PendingIntentProvider;
/** Handles Sms Fetcher messages and notifications for Android. */
public class SmsFetcherMessageHandler {
private static final String NOTIFICATION_ACTION_CONFIRM = "sms_fetcher_notification.confirm";
private static final String NOTIFICATION_ACTION_CANCEL = "sms_fetcher_notification.cancel";
private static final String TAG = "SmsMessageHandler";
private static final boolean DEBUG = false;
private static long sSmsFetcherMessageHandlerAndroid;
private static String sTopOrigin;
private static String sEmbeddedOrigin;
/** Handles the interaction of an incoming notification when an expected SMS arrives. */
public static final class NotificationReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
boolean nativeIsDestroyed = sSmsFetcherMessageHandlerAndroid == 0;
RecordHistogram.recordBooleanHistogram(
"Sharing.SmsFetcherTapWithChromeDestroyed", nativeIsDestroyed);
SharingNotificationUtil.dismissNotification(
NotificationConstants.GROUP_SMS_FETCHER,
NotificationConstants.NOTIFICATION_ID_SMS_FETCHER_INCOMING);
// This could happen if the user manually swipes away Chrome from the task switcher or
// the OS decides to destroy Chrome due to lack of memory etc. In these cases we just
// close the notification.
if (nativeIsDestroyed) return;
switch (action) {
case NOTIFICATION_ACTION_CONFIRM:
if (DEBUG) Log.d(TAG, "Notification confirmed");
SmsFetcherMessageHandlerJni.get()
.onConfirm(
sSmsFetcherMessageHandlerAndroid, sTopOrigin, sEmbeddedOrigin);
break;
case NOTIFICATION_ACTION_CANCEL:
if (DEBUG) Log.d(TAG, "Notification canceled");
SmsFetcherMessageHandlerJni.get()
.onDismiss(
sSmsFetcherMessageHandlerAndroid, sTopOrigin, sEmbeddedOrigin);
break;
}
}
}
/**
* Returns the notification title string.
*
* @param oneTimeCode The one time code from SMS
* @param topOrigin The top frame origin from the SMS
* @param embeddedOrigin The embedded frame origin from the SMS. Null if the SMS does not
* contain an iframe origin.
* @param clientName The client name where the remote request comes from
*/
private static String getNotificationTitle(
String oneTimeCode, String topOrigin, String embeddedOrigin, String clientName) {
Resources resources = ContextUtils.getApplicationContext().getResources();
if (ChromeFeatureList.isEnabled(ChromeFeatureList.WEB_OTP_CROSS_DEVICE_SIMPLE_STRING)) {
if (embeddedOrigin == null) {
return resources.getString(
R.string.sms_fetcher_notification_title_simple_string,
oneTimeCode,
topOrigin);
}
return resources.getString(
R.string.sms_fetcher_notification_title_simple_string,
oneTimeCode,
embeddedOrigin);
}
return resources.getString(
R.string.sms_fetcher_notification_title, oneTimeCode, clientName);
}
/**
* Returns the notification text string.
*
* @param oneTimeCode The one time code from SMS
* @param topOrigin The top frame origin from the SMS
* @param embeddedOrigin The embedded frame origin from the SMS. Null if the SMS does not
* contain an iframe origin.
* @param clientName The client name where the remote request comes from
*/
private static String getNotificationText(
String oneTimeCode, String topOrigin, String embeddedOrigin, String clientName) {
Resources resources = ContextUtils.getApplicationContext().getResources();
if (ChromeFeatureList.isEnabled(ChromeFeatureList.WEB_OTP_CROSS_DEVICE_SIMPLE_STRING)) {
if (embeddedOrigin == null) return clientName;
return topOrigin + " · " + clientName;
}
return embeddedOrigin == null
? resources.getString(R.string.sms_fetcher_notification_text, topOrigin)
: resources.getString(
R.string.sms_fetcher_notification_text_for_embedded_frame,
topOrigin,
embeddedOrigin);
}
/**
* Ask users to interact with the notification to allow Chrome to submit the code to the remote
* device.
*
* @param oneTimeCode The one time code from SMS
* @param topOrigin The top frame origin from the SMS
* @param embeddedOrigin The embedded frame origin from the SMS. Null if the SMS does not
* contain an iframe origin.
* @param clientName The client name where the remote request comes from
* @param smsFetcherMessageHandlerAndroid The native handler
*/
@CalledByNative
private static void showNotification(
@JniType("std::string") String oneTimeCode,
String topOrigin,
@Nullable String embeddedOrigin,
@JniType("std::string") String clientName,
long smsFetcherMessageHandlerAndroid) {
sTopOrigin = topOrigin;
sEmbeddedOrigin = embeddedOrigin;
sSmsFetcherMessageHandlerAndroid = smsFetcherMessageHandlerAndroid;
Context context = ContextUtils.getApplicationContext();
RecordHistogram.recordBooleanHistogram(
"Sharing.SmsFetcherScreenOnAndUnlocked",
DeviceConditions.isCurrentlyScreenOnAndUnlocked(context));
PendingIntentProvider confirmIntent =
PendingIntentProvider.getBroadcast(
context,
/* requestCode= */ 0,
new Intent(context, NotificationReceiver.class)
.setAction(NOTIFICATION_ACTION_CONFIRM),
PendingIntent.FLAG_UPDATE_CURRENT);
PendingIntentProvider cancelIntent =
PendingIntentProvider.getBroadcast(
context,
/* requestCode= */ 0,
new Intent(context, NotificationReceiver.class)
.setAction(NOTIFICATION_ACTION_CANCEL),
PendingIntent.FLAG_UPDATE_CURRENT);
SharingNotificationUtil.showNotification(
NotificationUmaTracker.SystemNotificationType.SMS_FETCHER,
NotificationConstants.GROUP_SMS_FETCHER,
NotificationConstants.NOTIFICATION_ID_SMS_FETCHER_INCOMING,
/* contentIntent= */ null,
/* deleteIntent= */ cancelIntent,
confirmIntent,
cancelIntent,
getNotificationTitle(oneTimeCode, topOrigin, embeddedOrigin, clientName),
getNotificationText(oneTimeCode, topOrigin, embeddedOrigin, clientName),
R.drawable.ic_chrome,
/* largeIconId= */ 0,
R.color.default_icon_color_accent1_baseline,
/* startsActivity= */ false);
}
@CalledByNative
private static void dismissNotification() {
SharingNotificationUtil.dismissNotification(
NotificationConstants.GROUP_SMS_FETCHER,
NotificationConstants.NOTIFICATION_ID_SMS_FETCHER_INCOMING);
}
@CalledByNative
private static void reset() {
sSmsFetcherMessageHandlerAndroid = 0;
sTopOrigin = null;
sEmbeddedOrigin = null;
}
@NativeMethods
interface Natives {
void onConfirm(long nativeSmsFetchRequestHandler, String topOrigin, String embeddedOrigin);
void onDismiss(long nativeSmsFetchRequestHandler, String topOrigin, String embeddedOrigin);
}
}
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