131 lines
4.5 KiB
Java
131 lines
4.5 KiB
Java
/*
|
|
* Copyright (C) 2017 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 com.android.dialer.strictmode.impl;
|
|
|
|
import android.app.Application;
|
|
import android.os.Build;
|
|
import android.os.Build.VERSION_CODES;
|
|
import android.os.Handler;
|
|
import android.os.Looper;
|
|
import android.os.StrictMode;
|
|
import android.os.StrictMode.ThreadPolicy;
|
|
import android.os.StrictMode.VmPolicy;
|
|
import android.support.annotation.MainThread;
|
|
import android.support.annotation.Nullable;
|
|
import com.android.dialer.common.Assert;
|
|
import com.android.dialer.strictmode.DialerStrictMode;
|
|
import com.android.dialer.strictmode.StrictModeUtils;
|
|
import com.google.auto.value.AutoValue;
|
|
import java.util.Map;
|
|
import javax.inject.Inject;
|
|
|
|
final class SystemDialerStrictMode implements DialerStrictMode {
|
|
private static final VmPolicy VM_DEATH_PENALTY =
|
|
new StrictMode.VmPolicy.Builder().penaltyLog().penaltyDeath().build();
|
|
|
|
private static final ThreadPolicy THREAD_DEATH_PENALTY =
|
|
new StrictMode.ThreadPolicy.Builder().penaltyLog().penaltyDeath().build();
|
|
|
|
@Inject
|
|
public SystemDialerStrictMode() {}
|
|
|
|
@MainThread
|
|
@Override
|
|
public void onApplicationCreate(Application application) {
|
|
if (StrictModeUtils.isStrictModeAllowed()) {
|
|
StrictModeUtils.warmupSharedPrefs(application);
|
|
setRecommendedMainThreadPolicy(THREAD_DEATH_PENALTY);
|
|
setRecommendedVMPolicy(VM_DEATH_PENALTY);
|
|
|
|
// Because Android resets StrictMode policies after Application.onCreate is done, we set it
|
|
// again right after.
|
|
// See cl/105932355 for the discussion.
|
|
// See a bug for the public bug.
|
|
Handler handler = new Handler(Looper.myLooper());
|
|
handler.postAtFrontOfQueue(() -> setRecommendedMainThreadPolicy(THREAD_DEATH_PENALTY));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the recommended policy for the app.
|
|
*
|
|
* @param threadPenalties policy with preferred penalties. Detection bits will be ignored.
|
|
*/
|
|
private static void setRecommendedMainThreadPolicy(StrictMode.ThreadPolicy threadPenalties) {
|
|
StrictMode.ThreadPolicy threadPolicy =
|
|
new StrictMode.ThreadPolicy.Builder(threadPenalties).detectAll().build();
|
|
StrictMode.setThreadPolicy(threadPolicy);
|
|
}
|
|
|
|
/**
|
|
* Set the recommended policy for the app.
|
|
*
|
|
* @param vmPenalties policy with preferred penalties. Detection bits should be unset.
|
|
*/
|
|
private static void setRecommendedVMPolicy(StrictMode.VmPolicy vmPenalties) {
|
|
setRecommendedVMPolicy(vmPenalties, StrictModeVmConfig.empty());
|
|
}
|
|
|
|
/**
|
|
* Set the recommended policy for the app.
|
|
*
|
|
* @param vmPenalties policy with preferred penalties. Detection bits should be unset.
|
|
*/
|
|
private static void setRecommendedVMPolicy(
|
|
StrictMode.VmPolicy vmPenalties, StrictModeVmConfig config) {
|
|
Assert.isNotNull(config);
|
|
StrictMode.VmPolicy.Builder vmPolicyBuilder =
|
|
new StrictMode.VmPolicy.Builder(vmPenalties)
|
|
.detectLeakedClosableObjects()
|
|
.detectLeakedSqlLiteObjects();
|
|
if (Build.VERSION.SDK_INT >= VERSION_CODES.O) {
|
|
vmPolicyBuilder.detectContentUriWithoutPermission();
|
|
// TODO(azlatin): Enable detecting untagged sockets once: a bug is fixed.
|
|
// vmPolicyBuilder.detectUntaggedSockets();
|
|
}
|
|
StrictMode.setVmPolicy(vmPolicyBuilder.build());
|
|
}
|
|
|
|
/** VmPolicy configuration. */
|
|
@AutoValue
|
|
abstract static class StrictModeVmConfig {
|
|
/** A map of a class to the maximum number of allowed instances of that class. */
|
|
@Nullable
|
|
abstract Map<Class<?>, Integer> maxInstanceLimits();
|
|
|
|
public static StrictModeVmConfig empty() {
|
|
return builder().build();
|
|
}
|
|
|
|
public static Builder builder() {
|
|
return new AutoValue_SystemDialerStrictMode_StrictModeVmConfig.Builder();
|
|
}
|
|
|
|
/** VmPolicy configuration builder. */
|
|
@AutoValue.Builder
|
|
public abstract static class Builder {
|
|
public abstract Builder setMaxInstanceLimits(Map<Class<?>, Integer> limits);
|
|
|
|
public abstract StrictModeVmConfig build();
|
|
|
|
Builder() {}
|
|
}
|
|
|
|
StrictModeVmConfig() {}
|
|
}
|
|
}
|