Merge "Add "com.android.packageinstaller" as recognized installer." into rvc-dev

import java.util.Arrays;

import java.util.Collections;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

/** Implementation of {@link AppIntegrityManagerService}. */

public class AppIntegrityManagerServiceImpl extends IAppIntegrityManager.Stub {

    private static final String TAG = "AppIntegrityManagerServiceImpl";

    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";

    private static final String PACKAGE_INSTALLER = "com.google.android.packageinstaller";

    private static final String BASE_APK_FILE = "base.apk";

    private static final String ALLOWED_INSTALLERS_METADATA_NAME = "allowed-installers";

    private static final String ALLOWED_INSTALLER_DELIMITER = ",";

    private static final String INSTALLER_PACKAGE_CERT_DELIMITER = "\\|";

    private static final Set<String> PACKAGE_INSTALLER = new HashSet<>(

            Arrays.asList("com.google.android.packageinstaller", "com.android.packageinstaller"));

    // Access to files inside mRulesDir is protected by mRulesLock;

    private final Context mContext;

    private final Handler mHandler;

        // A common way for apps to install packages is to send an intent to PackageInstaller. In

        // that case, the installer will always show up as PackageInstaller which is not what we

        // want.

        if (installer.equals(PACKAGE_INSTALLER)) {

        if (PACKAGE_INSTALLER.contains(installer)) {

            int originatingUid = intent.getIntExtra(EXTRA_ORIGINATING_UID, -1);

            if (originatingUid < 0) {

                Slog.e(TAG, "Installer is package installer but originating UID not found.");