mirror of
https://github.com/nextcloud/talk-android
synced 2025-06-20 03:59:35 +01:00
255 lines
13 KiB
Java
255 lines
13 KiB
Java
/*
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* Nextcloud Talk application
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*
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* @author Mario Danic
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* Copyright (C) 2017-2018 Mario Danic <mario@lovelyhq.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.nextcloud.talk.jobs;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.media.RingtoneManager;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.text.TextUtils;
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import android.util.Base64;
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import android.util.Log;
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import com.bluelinelabs.logansquare.LoganSquare;
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import com.evernote.android.job.Job;
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import com.evernote.android.job.util.support.PersistableBundleCompat;
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import com.nextcloud.talk.utils.ApplicationWideCurrentRoomHolder;
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import com.nextcloud.talk.R;
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import com.nextcloud.talk.activities.CallActivity;
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import com.nextcloud.talk.activities.MainActivity;
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import com.nextcloud.talk.application.NextcloudTalkApplication;
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import com.nextcloud.talk.models.SignatureVerification;
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import com.nextcloud.talk.models.json.push.DecryptedPushMessage;
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import com.nextcloud.talk.utils.NotificationUtils;
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import com.nextcloud.talk.utils.PushUtils;
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import com.nextcloud.talk.utils.bundle.BundleKeys;
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import com.nextcloud.talk.utils.database.user.UserUtils;
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import org.parceler.Parcels;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.PrivateKey;
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import java.util.Calendar;
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import java.util.zip.CRC32;
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import javax.crypto.Cipher;
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import javax.crypto.NoSuchPaddingException;
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import javax.inject.Inject;
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import autodagger.AutoInjector;
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@AutoInjector(NextcloudTalkApplication.class)
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public class NotificationJob extends Job {
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public static final String TAG = "NotificationJob";
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@Inject
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UserUtils userUtils;
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@NonNull
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@Override
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protected Result onRunJob(Params params) {
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NextcloudTalkApplication.getSharedApplication().getComponentApplication().inject(this);
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Context context = getContext();
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PersistableBundleCompat persistableBundleCompat = getParams().getExtras();
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String subject = persistableBundleCompat.getString(BundleKeys.KEY_NOTIFICATION_SUBJECT, "");
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String signature = persistableBundleCompat.getString(BundleKeys.KEY_NOTIFICATION_SIGNATURE, "");
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if (!TextUtils.isEmpty(subject) && !TextUtils.isEmpty(signature)) {
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try {
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byte[] base64DecodedSubject = Base64.decode(subject, Base64.DEFAULT);
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byte[] base64DecodedSignature = Base64.decode(signature, Base64.DEFAULT);
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PushUtils pushUtils = new PushUtils();
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PrivateKey privateKey = (PrivateKey) pushUtils.readKeyFromFile(false);
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try {
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SignatureVerification signatureVerification = pushUtils.verifySignature(base64DecodedSignature,
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base64DecodedSubject);
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if (signatureVerification.isSignatureValid()) {
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Cipher cipher = Cipher.getInstance("RSA/None/PKCS1Padding");
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cipher.init(Cipher.DECRYPT_MODE, privateKey);
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byte[] decryptedSubject = cipher.doFinal(base64DecodedSubject);
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DecryptedPushMessage decryptedPushMessage = LoganSquare.parse(new String(decryptedSubject),
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DecryptedPushMessage.class);
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boolean hasChatSupport = signatureVerification.getUserEntity().hasSpreedCapabilityWithName
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("chat-v2");
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boolean isInTheSameRoomAsNotification = ApplicationWideCurrentRoomHolder.getInstance().
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getCurrentRoomId().equals(decryptedPushMessage.getId()) &&
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signatureVerification.getUserEntity().equals(ApplicationWideCurrentRoomHolder
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.getInstance().getUserInRoom());
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boolean shouldShowNotification = decryptedPushMessage.getApp().equals("spreed") &&
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(!isInTheSameRoomAsNotification || decryptedPushMessage.getType().equals("call"));
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if (shouldShowNotification) {
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int smallIcon;
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Bitmap largeIcon;
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String category = "";
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int priority = Notification.PRIORITY_DEFAULT;
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Uri soundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
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Intent intent;
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Bundle bundle = new Bundle();
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if (hasChatSupport) {
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intent = new Intent(context, MainActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
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} else {
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intent = new Intent(context, CallActivity.class);
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bundle.putBoolean(BundleKeys.KEY_FROM_NOTIFICATION_START_CALL, true);
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}
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bundle.putString(BundleKeys.KEY_ROOM_ID, decryptedPushMessage.getId());
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bundle.putParcelable(BundleKeys.KEY_USER_ENTITY, Parcels.wrap(signatureVerification
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.getUserEntity()));
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bundle.putBoolean(BundleKeys.KEY_FROM_NOTIFICATION_START_CALL,
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decryptedPushMessage.getType().equals("call") || !hasChatSupport);
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intent.putExtras(bundle);
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PendingIntent pendingIntent = PendingIntent.getActivity(context,
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0, intent, PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT);
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NotificationManager notificationManager =
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(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
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switch (decryptedPushMessage.getType()) {
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case "call":
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smallIcon = R.drawable.ic_call_black_24dp;
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category = Notification.CATEGORY_CALL;
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priority = Notification.PRIORITY_HIGH;
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soundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
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break;
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case "room":
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smallIcon = R.drawable.ic_notifications_black_24dp;
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category = Notification.CATEGORY_CALL;
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priority = Notification.PRIORITY_HIGH;
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break;
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case "chat":
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smallIcon = R.drawable.ic_chat_black_24dp;
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category = Notification.CATEGORY_MESSAGE;
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break;
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default:
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smallIcon = R.drawable.ic_logo;
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}
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largeIcon = BitmapFactory.decodeResource(context.getResources(), smallIcon);
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CRC32 crc32 = new CRC32();
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Notification.Builder notificationBuilder = new Notification.Builder(context)
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.setLargeIcon(largeIcon)
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.setSmallIcon(smallIcon)
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.setCategory(category)
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.setPriority(priority)
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.setWhen(Calendar.getInstance().getTimeInMillis())
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.setShowWhen(true)
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.setSubText(signatureVerification.getUserEntity().getDisplayName())
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.setContentTitle(decryptedPushMessage.getSubject())
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.setSound(soundUri)
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.setAutoCancel(true);
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if (Build.VERSION.SDK_INT >= 23) {
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// This method should exist since API 21, but some phones don't have it
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// So as a safeguard, we don't use it until 23
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notificationBuilder.setColor(context.getResources().getColor(R.color.colorPrimary));
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}
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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String groupName = String.format(context.getResources().getString(R.string
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.nc_notification_channel), signatureVerification.getUserEntity()
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.getDisplayName(), signatureVerification.getUserEntity().getBaseUrl());
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crc32.update(groupName.getBytes());
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NotificationUtils.createNotificationChannelGroup(notificationManager,
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Long.toString(crc32.getValue()),
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groupName);
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if (category.equals(Notification.CATEGORY_CALL)) {
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NotificationUtils.createNotificationChannel(notificationManager,
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NotificationUtils.NOTIFICATION_CHANNEL_CALLS, context.getResources()
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.getString(R
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.string.nc_notification_channel_calls), context.getResources()
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.getString
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(R.string.nc_notification_channel_calls_description), true,
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NotificationManager.IMPORTANCE_HIGH, soundUri);
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notificationBuilder.setChannelId(NotificationUtils.NOTIFICATION_CHANNEL_CALLS);
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} else {
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NotificationUtils.createNotificationChannel(notificationManager,
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NotificationUtils.NOTIFICATION_CHANNEL_MESSAGES, context.getResources()
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.getString(R
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.string.nc_notification_channel_messages), context.getResources()
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.getString
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(R.string.nc_notification_channel_messages_description), true,
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NotificationManager.IMPORTANCE_DEFAULT, soundUri);
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notificationBuilder.setChannelId(NotificationUtils.NOTIFICATION_CHANNEL_MESSAGES);
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}
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notificationBuilder.setGroup(Long.toString(crc32.getValue()));
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}
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notificationBuilder.setContentIntent(pendingIntent);
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String stringForCrc = decryptedPushMessage.getSubject() + " " + signatureVerification
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.getUserEntity().getDisplayName() + " " + signatureVerification.getUserEntity
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().getBaseUrl();
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crc32 = new CRC32();
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crc32.update(stringForCrc.getBytes());
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if (notificationManager != null) {
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notificationManager.notify((int) crc32.getValue(), notificationBuilder.build());
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}
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}
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}
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} catch (NoSuchAlgorithmException e1) {
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Log.d(TAG, "No proper algorithm to decrypt the message " + e1.getLocalizedMessage());
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} catch (NoSuchPaddingException e1) {
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Log.d(TAG, "No proper padding to decrypt the message " + e1.getLocalizedMessage());
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} catch (InvalidKeyException e1) {
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Log.d(TAG, "Invalid private key " + e1.getLocalizedMessage());
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}
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} catch (Exception exception) {
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Log.d(TAG, "Something went very wrong" + exception.getLocalizedMessage());
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}
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}
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return Result.SUCCESS;
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}
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}
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