| /* |
| * 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 static com.android.internal.logging.nano.MetricsProto.MetricsEvent |
| .PROVISIONING_INSTALL_PACKAGE_TASK_MS; |
| import static com.android.internal.util.Preconditions.checkNotNull; |
| |
| import android.annotation.NonNull; |
| import android.app.PendingIntent; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageInstaller; |
| import android.content.pm.PackageManager; |
| import android.text.TextUtils; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.managedprovisioning.R; |
| import com.android.managedprovisioning.common.ProvisionLogger; |
| import com.android.managedprovisioning.common.SettingsFacade; |
| import com.android.managedprovisioning.model.ProvisioningParams; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Installs the management app apk from a download location provided by |
| * {@link DownloadPackageTask#getDownloadedPackageLocation()}. |
| */ |
| public class InstallPackageTask extends AbstractProvisioningTask { |
| private static final String ACTION_INSTALL_DONE = InstallPackageTask.class.getName() + ".DONE."; |
| |
| public static final int ERROR_PACKAGE_INVALID = 0; |
| public static final int ERROR_INSTALLATION_FAILED = 1; |
| |
| private final SettingsFacade mSettingsFacade; |
| private final DownloadPackageTask mDownloadPackageTask; |
| |
| private final PackageManager mPm; |
| private final DevicePolicyManager mDpm; |
| private boolean mInitialPackageVerifierEnabled; |
| |
| /** |
| * Create an InstallPackageTask. When run, this will attempt to install the device admin package |
| * if it is non-null. |
| * |
| * {@see #run(String, String)} for more detail on package installation. |
| */ |
| public InstallPackageTask( |
| DownloadPackageTask downloadPackageTask, |
| Context context, |
| ProvisioningParams params, |
| Callback callback) { |
| this(new SettingsFacade(), downloadPackageTask, context, params, callback); |
| } |
| |
| @VisibleForTesting |
| InstallPackageTask( |
| SettingsFacade settingsFacade, |
| DownloadPackageTask downloadPackageTask, |
| Context context, |
| ProvisioningParams params, |
| Callback callback) { |
| super(context, params, callback); |
| |
| mPm = context.getPackageManager(); |
| mDpm = context.getSystemService(DevicePolicyManager.class); |
| mSettingsFacade = checkNotNull(settingsFacade); |
| mDownloadPackageTask = checkNotNull(downloadPackageTask); |
| } |
| |
| @Override |
| public int getStatusMsgId() { |
| return R.string.progress_install; |
| } |
| |
| private static void copyStream(@NonNull InputStream in, @NonNull OutputStream out) |
| throws IOException { |
| byte[] buffer = new byte[16 * 1024]; |
| int numRead; |
| while ((numRead = in.read(buffer)) != -1) { |
| out.write(buffer, 0, numRead); |
| } |
| } |
| |
| /** |
| * Installs a package. The package will be installed from the given location if one is provided. |
| * If a null or empty location is provided, and the package is installed for a different user, |
| * it will be enabled for the calling user. If the package location is not provided and the |
| * package is not installed for any other users, this task will produce an error. |
| * |
| * Errors will be indicated if a downloaded package is invalid, or installation fails. |
| */ |
| @Override |
| public void run(int userId) { |
| startTaskTimer(); |
| String packageLocation = mDownloadPackageTask.getDownloadedPackageLocation(); |
| String packageName = mProvisioningParams.inferDeviceAdminPackageName(); |
| |
| ProvisionLogger.logi("Installing package " + packageName); |
| mInitialPackageVerifierEnabled = mSettingsFacade.isPackageVerifierEnabled(mContext); |
| if (TextUtils.isEmpty(packageLocation)) { |
| // Do not log time if not installing any package, as that isn't useful. |
| success(); |
| return; |
| } |
| |
| // Temporarily turn off package verification. |
| mSettingsFacade.setPackageVerifierEnabled(mContext, false); |
| |
| int installFlags = PackageManager.INSTALL_REPLACE_EXISTING; |
| // Current device owner (if exists) must be test-only, so it is fine to replace it with a |
| // test-only package of same package name. No need to further verify signature as |
| // installation will fail if signatures don't match. |
| if (mDpm.isDeviceOwnerApp(packageName)) { |
| installFlags |= PackageManager.INSTALL_ALLOW_TEST; |
| } |
| |
| PackageInstaller.SessionParams params = new PackageInstaller.SessionParams( |
| PackageInstaller.SessionParams.MODE_FULL_INSTALL); |
| params.installFlags = installFlags; |
| |
| File source = new File(packageLocation); |
| PackageInstaller pi = mPm.getPackageInstaller(); |
| try { |
| int sessionId = pi.createSession(params); |
| try (PackageInstaller.Session session = pi.openSession(sessionId)) { |
| try (FileInputStream in = new FileInputStream(source); |
| OutputStream out = session.openWrite(source.getName(), 0, -1)) { |
| copyStream(in, out); |
| } catch (IOException e) { |
| session.abandon(); |
| throw e; |
| } |
| |
| String action = ACTION_INSTALL_DONE + sessionId; |
| mContext.registerReceiver(new PackageInstallReceiver(packageName), |
| new IntentFilter(action)); |
| |
| PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext, sessionId, |
| new Intent(action), |
| PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT); |
| session.commit(pendingIntent.getIntentSender()); |
| } |
| } catch (IOException e) { |
| mSettingsFacade.setPackageVerifierEnabled(mContext, mInitialPackageVerifierEnabled); |
| |
| ProvisionLogger.loge("Installing package " + packageName + " failed.", e); |
| error(ERROR_INSTALLATION_FAILED); |
| } finally { |
| source.delete(); |
| } |
| } |
| |
| @Override |
| protected int getMetricsCategory() { |
| return PROVISIONING_INSTALL_PACKAGE_TASK_MS; |
| } |
| |
| private class PackageInstallReceiver extends BroadcastReceiver { |
| private final String mPackageName; |
| |
| public PackageInstallReceiver(String packageName) { |
| mPackageName = packageName; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| mSettingsFacade.setPackageVerifierEnabled(mContext, mInitialPackageVerifierEnabled); |
| |
| // Should not happen as we use a one shot pending intent specifically for this receiver |
| if (intent.getAction() == null || !intent.getAction().startsWith(ACTION_INSTALL_DONE)) { |
| ProvisionLogger.logw("Incorrect action"); |
| |
| error(ERROR_INSTALLATION_FAILED); |
| return; |
| } |
| |
| // Should not happen as we use a one shot pending intent specifically for this receiver |
| if (!intent.getStringExtra(PackageInstaller.EXTRA_PACKAGE_NAME).equals(mPackageName)) { |
| ProvisionLogger.loge("Package doesn't have expected package name."); |
| error(ERROR_PACKAGE_INVALID); |
| return; |
| } |
| |
| int status = intent.getIntExtra(PackageInstaller.EXTRA_STATUS, 0); |
| String statusMessage = intent.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE); |
| int legacyStatus = intent.getIntExtra(PackageInstaller.EXTRA_LEGACY_STATUS, 0); |
| |
| mContext.unregisterReceiver(this); |
| ProvisionLogger.logi(status + " " + legacyStatus + " " + statusMessage); |
| |
| if (status == PackageInstaller.STATUS_SUCCESS) { |
| ProvisionLogger.logd("Package " + mPackageName + " is succesfully installed."); |
| stopTaskTimer(); |
| success(); |
| } else if (legacyStatus == PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE) { |
| ProvisionLogger.logd("Current version of " + mPackageName |
| + " higher than the version to be installed. It was not reinstalled."); |
| // If the package is already at a higher version: success. |
| // Do not log time if package is already at a higher version, as that isn't useful. |
| success(); |
| } else { |
| ProvisionLogger.logd("Installing package " + mPackageName + " failed."); |
| ProvisionLogger.logd("Status message returned = " + statusMessage); |
| error(ERROR_INSTALLATION_FAILED); |
| } |
| } |
| } |
| } |