| /* |
| * Copyright 2014, 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.managedprovisioning.task; |
| |
| import android.app.DownloadManager; |
| import android.content.Context; |
| import android.content.pm.IPackageInstallObserver; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.net.Uri; |
| import android.provider.Settings.Global; |
| import android.text.TextUtils; |
| import android.Manifest.permission; |
| |
| import com.android.managedprovisioning.ProvisionLogger; |
| |
| import java.io.File; |
| |
| /** |
| * Installs a device owner package from a given path. |
| * <p> |
| * Before installing it is checked whether the file at the specified path contains the given package |
| * and the given admin receiver. |
| * </p> |
| */ |
| public class InstallPackageTask { |
| public static final int ERROR_PACKAGE_INVALID = 0; |
| public static final int ERROR_INSTALLATION_FAILED = 1; |
| |
| private final Context mContext; |
| private final Callback mCallback; |
| private final String mPackageName; |
| |
| private String mPackageLocation; |
| private PackageManager mPm; |
| private int mPackageVerifierEnable; |
| |
| public InstallPackageTask (Context context, String packageName, |
| Callback callback) { |
| mCallback = callback; |
| mContext = context; |
| mPackageLocation = null; // Initialized in run(). |
| mPackageName = packageName; |
| } |
| |
| public void run(String packageLocation) { |
| if (TextUtils.isEmpty(packageLocation)) { |
| ProvisionLogger.loge("Package Location is empty."); |
| mCallback.onError(ERROR_PACKAGE_INVALID); |
| return; |
| } |
| mPackageLocation = packageLocation; |
| |
| PackageInstallObserver observer = new PackageInstallObserver(); |
| mPm = mContext.getPackageManager(); |
| |
| if (packageContentIsCorrect()) { |
| // Temporarily turn off package verification. |
| mPackageVerifierEnable = Global.getInt(mContext.getContentResolver(), |
| Global.PACKAGE_VERIFIER_ENABLE, 1); |
| Global.putInt(mContext.getContentResolver(), Global.PACKAGE_VERIFIER_ENABLE, 0); |
| |
| Uri packageUri = Uri.parse("file://" + mPackageLocation); |
| |
| // Allow for replacing an existing package. |
| // Needed in case this task is performed multiple times. |
| mPm.installPackage(packageUri, observer, |
| /* flags */ PackageManager.INSTALL_REPLACE_EXISTING, mContext.getPackageName()); |
| } else { |
| // Error should have been reported in packageContentIsCorrect(). |
| return; |
| } |
| } |
| |
| private boolean packageContentIsCorrect() { |
| PackageInfo pi = mPm.getPackageArchiveInfo(mPackageLocation, |
| PackageManager.GET_RECEIVERS); |
| if (pi == null) { |
| ProvisionLogger.loge("Package could not be parsed successfully."); |
| mCallback.onError(ERROR_PACKAGE_INVALID); |
| return false; |
| } |
| if (!pi.packageName.equals(mPackageName)) { |
| ProvisionLogger.loge("Package name in apk (" + pi.packageName |
| + ") does not match package name specified by programmer (" |
| + mPackageName + ")."); |
| mCallback.onError(ERROR_PACKAGE_INVALID); |
| return false; |
| } |
| for (ActivityInfo ai : pi.receivers) { |
| if (!TextUtils.isEmpty(ai.permission) && |
| ai.permission.equals(android.Manifest.permission.BIND_DEVICE_ADMIN)) { |
| return true; |
| } |
| } |
| ProvisionLogger.loge("Installed package has no admin receiver."); |
| mCallback.onError(ERROR_PACKAGE_INVALID); |
| return false; |
| } |
| |
| private class PackageInstallObserver extends IPackageInstallObserver.Stub { |
| @Override |
| public void packageInstalled(String packageName, int returnCode) { |
| if (!packageName.equals(mPackageName)) { |
| return; |
| } |
| |
| // Set package verification flag to its original value. |
| Global.putInt(mContext.getContentResolver(), Global.PACKAGE_VERIFIER_ENABLE, |
| mPackageVerifierEnable); |
| |
| if (returnCode == PackageManager.INSTALL_SUCCEEDED) { |
| ProvisionLogger.logd("Package " + packageName + " is succesfully installed."); |
| |
| mCallback.onSuccess(); |
| } else { |
| ProvisionLogger.logd("Installing package " + packageName + " failed."); |
| ProvisionLogger.logd("Errorcode returned by IPackageInstallObserver = " |
| + returnCode); |
| mCallback.onError(ERROR_INSTALLATION_FAILED); |
| } |
| } |
| } |
| |
| public abstract static class Callback { |
| public abstract void onSuccess(); |
| public abstract void onError(int errorCode); |
| } |
| } |