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DivestOS/Patches/LineageOS-15.1/android_frameworks_base/345893-backport.patch
Tad 1eb373d1e0
15.1 December ASB work 
Signed-off-by: Tad <tad@spotco.us>
2022-12-12 21:01:34 -05:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Julia Reynolds <juliacr@google.com>
Date: Fri, 19 Aug 2022 09:54:23 -0400
Subject: [PATCH] Limit the size of NotificationChannel and
NotificationChannelGroup
Test: android.app.NotificationChannelGroupTest
Test: android.app.NotificationChannelTest
Test: cts NotificationChannelTest
Test: cts NotificationChannelGroupTest
Bug: 241764350
Bug: 241764340
Bug: 241764135
Bug: 242702935
Bug: 242703118
Bug: 242703202
Bug: 242702851
Bug: 242703217
Bug: 242703556
Change-Id: I0925583ab54d6c81c415859618f6b907ab7baada
Merged-In: I0925583ab54d6c81c415859618f6b907ab7baada
(cherry picked from commit 3850857cb0e7f26702d5bd601731d7290390fa3b)
(cherry picked from commit c2d264989a2c18af9e3f210f62eba8d987fefb5b)
Merged-In: I0925583ab54d6c81c415859618f6b907ab7baada
---
.../java/android/app/NotificationChannel.java | 19 +++-
.../android/app/NotificationChannelGroup.java | 8 +-
.../app/NotificationChannelGroupTest.java | 73 +++++++++++++
.../android/app/NotificationChannelTest.java | 102 ++++++++++++++++++
4 files changed, 194 insertions(+), 8 deletions(-)
create mode 100644 core/tests/coretests/src/android/app/NotificationChannelGroupTest.java
create mode 100644 core/tests/coretests/src/android/app/NotificationChannelTest.java
diff --git a/core/java/android/app/NotificationChannel.java b/core/java/android/app/NotificationChannel.java
index 556acdcfff81..877f80570017 100644
--- a/core/java/android/app/NotificationChannel.java
+++ b/core/java/android/app/NotificationChannel.java
@@ -54,8 +54,13 @@ public final class NotificationChannel implements Parcelable {
/**
* The maximum length for text fields in a NotificationChannel. Fields will be truncated at this
* limit.
+ * @hide
*/
- private static final int MAX_TEXT_LENGTH = 1000;
+ public static final int MAX_TEXT_LENGTH = 1000;
+ /**
+ * @hide
+ */
+ public static final int MAX_VIBRATION_LENGTH = 1000;
private static final String TAG_CHANNEL = "channel";
private static final String ATT_NAME = "name";
@@ -171,17 +176,17 @@ public final class NotificationChannel implements Parcelable {
*/
protected NotificationChannel(Parcel in) {
if (in.readByte() != 0) {
- mId = in.readString();
+ mId = getTrimmedString(in.readString());
} else {
mId = null;
}
if (in.readByte() != 0) {
- mName = in.readString();
+ mName = getTrimmedString(in.readString());
} else {
mName = null;
}
if (in.readByte() != 0) {
- mDesc = in.readString();
+ mDesc = getTrimmedString(in.readString());
} else {
mDesc = null;
}
@@ -190,17 +195,21 @@ public final class NotificationChannel implements Parcelable {
mLockscreenVisibility = in.readInt();
if (in.readByte() != 0) {
mSound = Uri.CREATOR.createFromParcel(in);
+ mSound = Uri.parse(getTrimmedString(mSound.toString()));
} else {
mSound = null;
}
mLights = in.readByte() != 0;
mVibration = in.createLongArray();
+ if (mVibration != null && mVibration.length > MAX_VIBRATION_LENGTH) {
+ mVibration = Arrays.copyOf(mVibration, MAX_VIBRATION_LENGTH);
+ }
mUserLockedFields = in.readInt();
mVibrationEnabled = in.readByte() != 0;
mShowBadge = in.readByte() != 0;
mDeleted = in.readByte() != 0;
if (in.readByte() != 0) {
- mGroup = in.readString();
+ mGroup = getTrimmedString(in.readString());
} else {
mGroup = null;
}
diff --git a/core/java/android/app/NotificationChannelGroup.java b/core/java/android/app/NotificationChannelGroup.java
index 18ad9cf3d8e3..5ca6fe853db8 100644
--- a/core/java/android/app/NotificationChannelGroup.java
+++ b/core/java/android/app/NotificationChannelGroup.java
@@ -37,8 +37,9 @@ public final class NotificationChannelGroup implements Parcelable {
/**
* The maximum length for text fields in a NotificationChannelGroup. Fields will be truncated at
* this limit.
+ * @hide
*/
- private static final int MAX_TEXT_LENGTH = 1000;
+ public static final int MAX_TEXT_LENGTH = 1000;
private static final String TAG_GROUP = "channelGroup";
private static final String ATT_NAME = "name";
@@ -68,11 +69,12 @@ public final class NotificationChannelGroup implements Parcelable {
*/
protected NotificationChannelGroup(Parcel in) {
if (in.readByte() != 0) {
- mId = in.readString();
+ mId = getTrimmedString(in.readString());
} else {
mId = null;
}
mName = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+ mName = getTrimmedString(mName.toString());
in.readParcelableList(mChannels, NotificationChannel.class.getClassLoader());
}
@@ -91,7 +93,7 @@ public final class NotificationChannelGroup implements Parcelable {
} else {
dest.writeByte((byte) 0);
}
- TextUtils.writeToParcel(mName, dest, flags);
+ TextUtils.writeToParcel(mName.toString(), dest, flags);
dest.writeParcelableList(mChannels, flags);
}
diff --git a/core/tests/coretests/src/android/app/NotificationChannelGroupTest.java b/core/tests/coretests/src/android/app/NotificationChannelGroupTest.java
new file mode 100644
index 000000000000..2a3da05eabb3
--- /dev/null
+++ b/core/tests/coretests/src/android/app/NotificationChannelGroupTest.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app;
+
+import static junit.framework.TestCase.assertEquals;
+
+import android.os.Parcel;
+import android.test.AndroidTestCase;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.google.common.base.Strings;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Field;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class NotificationChannelGroupTest {
+ private final String CLASS = "android.app.NotificationChannelGroup";
+
+ @Test
+ public void testLongStringFields() {
+ NotificationChannelGroup group = new NotificationChannelGroup("my_group_01", "groupName");
+
+ try {
+ String longString = Strings.repeat("A", 65536);
+ Field mName = Class.forName(CLASS).getDeclaredField("mName");
+ mName.setAccessible(true);
+ mName.set(group, longString);
+ Field mId = Class.forName(CLASS).getDeclaredField("mId");
+ mId.setAccessible(true);
+ mId.set(group, longString);
+ Field mDescription = Class.forName(CLASS).getDeclaredField("mDescription");
+ mDescription.setAccessible(true);
+ mDescription.set(group, longString);
+ } catch (NoSuchFieldException e) {
+ e.printStackTrace();
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ } catch (IllegalAccessException e) {
+ e.printStackTrace();
+ }
+
+ Parcel parcel = Parcel.obtain();
+ group.writeToParcel(parcel, 0);
+ parcel.setDataPosition(0);
+
+ NotificationChannelGroup fromParcel =
+ NotificationChannelGroup.CREATOR.createFromParcel(parcel);
+ assertEquals(NotificationChannelGroup.MAX_TEXT_LENGTH, fromParcel.getId().length());
+ assertEquals(NotificationChannelGroup.MAX_TEXT_LENGTH, fromParcel.getName().length());
+ assertEquals(NotificationChannelGroup.MAX_TEXT_LENGTH,
+ fromParcel.getDescription().length());
+ }
+}
diff --git a/core/tests/coretests/src/android/app/NotificationChannelTest.java b/core/tests/coretests/src/android/app/NotificationChannelTest.java
new file mode 100644
index 000000000000..d8be502e6db6
--- /dev/null
+++ b/core/tests/coretests/src/android/app/NotificationChannelTest.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app;
+
+import static junit.framework.TestCase.assertEquals;
+
+import android.net.Uri;
+import android.os.Parcel;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.google.common.base.Strings;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Field;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class NotificationChannelTest {
+ private final String CLASS = "android.app.NotificationChannel";
+
+ @Test
+ public void testLongStringFields() {
+ NotificationChannel channel = new NotificationChannel("id", "name", 3);
+
+ try {
+ String longString = Strings.repeat("A", 65536);
+ Field mName = Class.forName(CLASS).getDeclaredField("mName");
+ mName.setAccessible(true);
+ mName.set(channel, longString);
+ Field mId = Class.forName(CLASS).getDeclaredField("mId");
+ mId.setAccessible(true);
+ mId.set(channel, longString);
+ Field mDesc = Class.forName(CLASS).getDeclaredField("mDesc");
+ mDesc.setAccessible(true);
+ mDesc.set(channel, longString);
+ Field mParentId = Class.forName(CLASS).getDeclaredField("mParentId");
+ mParentId.setAccessible(true);
+ mParentId.set(channel, longString);
+ Field mGroup = Class.forName(CLASS).getDeclaredField("mGroup");
+ mGroup.setAccessible(true);
+ mGroup.set(channel, longString);
+ Field mConversationId = Class.forName(CLASS).getDeclaredField("mConversationId");
+ mConversationId.setAccessible(true);
+ mConversationId.set(channel, longString);
+ } catch (NoSuchFieldException e) {
+ e.printStackTrace();
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ } catch (IllegalAccessException e) {
+ e.printStackTrace();
+ }
+
+ Parcel parcel = Parcel.obtain();
+ channel.writeToParcel(parcel, 0);
+ parcel.setDataPosition(0);
+
+ NotificationChannel fromParcel = NotificationChannel.CREATOR.createFromParcel(parcel);
+ assertEquals(NotificationChannel.MAX_TEXT_LENGTH, fromParcel.getId().length());
+ assertEquals(NotificationChannel.MAX_TEXT_LENGTH, fromParcel.getName().length());
+ assertEquals(NotificationChannel.MAX_TEXT_LENGTH,
+ fromParcel.getDescription().length());
+ assertEquals(NotificationChannel.MAX_TEXT_LENGTH,
+ fromParcel.getGroup().length());
+ }
+
+ @Test
+ public void testLongAlertFields() {
+ NotificationChannel channel = new NotificationChannel("id", "name", 3);
+
+ channel.setSound(Uri.parse("content://" + Strings.repeat("A",65536)),
+ Notification.AUDIO_ATTRIBUTES_DEFAULT);
+ channel.setVibrationPattern(new long[65550/2]);
+
+ Parcel parcel = Parcel.obtain();
+ channel.writeToParcel(parcel, 0);
+ parcel.setDataPosition(0);
+
+ NotificationChannel fromParcel = NotificationChannel.CREATOR.createFromParcel(parcel);
+ assertEquals(NotificationChannel.MAX_VIBRATION_LENGTH,
+ fromParcel.getVibrationPattern().length);
+ assertEquals(NotificationChannel.MAX_TEXT_LENGTH,
+ fromParcel.getSound().toString().length());
+ }
+}
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