services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2012 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.server.pm;

 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;

 import android.annotation.NonNull;
 import android.content.Context;
 import android.content.pm.PackageParser;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.test.AndroidTestCase;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.LongSparseArray;

 import com.android.internal.os.AtomicFile;

 import java.lang.reflect.Constructor;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.security.PublicKey;
 import java.util.ArrayList;
 import java.util.List;

 public class PackageManagerSettingsTests extends AndroidTestCase {
     private static final String PACKAGE_NAME_2 = "com.google.app2";
     private static final String PACKAGE_NAME_3 = "com.android.app3";
     private static final String PACKAGE_NAME_1 = "com.google.app1";
     private static final boolean localLOGV = true;
     public static final String TAG = "PackageManagerSettingsTests";
     protected final String PREFIX = "android.content.pm";

     private @NonNull List<UserInfo> createFakeUsers() {
         ArrayList<UserInfo> users = new ArrayList<>();
         users.add(new UserInfo(UserHandle.USER_SYSTEM, "test user", UserInfo.FLAG_INITIALIZED));
         return users;
     }

     private void writeFile(File file, byte[] data) {
         file.mkdirs();
         try {
             AtomicFile aFile = new AtomicFile(file);
             FileOutputStream fos = aFile.startWrite();
             fos.write(data);
             aFile.finishWrite(fos);
         } catch (IOException ioe) {
             Log.e(TAG, "Cannot write file " + file.getPath());
         }
     }

     private void writePackagesXml() {
         writeFile(new File(getContext().getFilesDir(), "system/packages.xml"),
                 ("<?xml version='1.0' encoding='utf-8' standalone='yes' ?>"
                 + "<packages>"
                 + "<last-platform-version internal=\"15\" external=\"0\" fingerprint=\"foo\" />"
                 + "<permission-trees>"
                 + "<item name=\"com.google.android.permtree\" package=\"com.google.android.permpackage\" />"
                 + "</permission-trees>"
                 + "<permissions>"
                 + "<item name=\"android.permission.WRITE_CALL_LOG\" package=\"android\" protection=\"1\" />"
                 + "<item name=\"android.permission.ASEC_ACCESS\" package=\"android\" protection=\"2\" />"
                 + "<item name=\"android.permission.ACCESS_WIMAX_STATE\" package=\"android\" />"
                 + "<item name=\"android.permission.REBOOT\" package=\"android\" protection=\"18\" />"
                 + "</permissions>"
                 + "<package name=\"com.google.app1\" codePath=\"/system/app/app1.apk\" nativeLibraryPath=\"/data/data/com.google.app1/lib\" flags=\"1\" ft=\"1360e2caa70\" it=\"135f2f80d08\" ut=\"1360e2caa70\" version=\"1109\" sharedUserId=\"11000\">"
                 + "<sigs count=\"1\">"
                 + "<cert index=\"0\" key=\"" + KeySetStrings.ctsKeySetCertA + "\" />"
                 + "</sigs>"
                 + "<proper-signing-keyset identifier=\"1\" />"
                 + "</package>"
                 + "<package name=\"com.google.app2\" codePath=\"/system/app/app2.apk\" nativeLibraryPath=\"/data/data/com.google.app2/lib\" flags=\"1\" ft=\"1360e578718\" it=\"135f2f80d08\" ut=\"1360e578718\" version=\"15\" enabled=\"3\" userId=\"11001\">"
                 + "<sigs count=\"1\">"
                 + "<cert index=\"0\" />"
                 + "</sigs>"
                 + "<proper-signing-keyset identifier=\"1\" />"
                 + "<defined-keyset alias=\"AB\" identifier=\"4\" />"
                 + "</package>"
                 + "<package name=\"com.android.app3\" codePath=\"/system/app/app3.apk\" nativeLibraryPath=\"/data/data/com.android.app3/lib\" flags=\"1\" ft=\"1360e577b60\" it=\"135f2f80d08\" ut=\"1360e577b60\" version=\"15\" userId=\"11030\">"
                 + "<sigs count=\"1\">"
                 + "<cert index=\"1\" key=\"" + KeySetStrings.ctsKeySetCertB + "\" />"
                 + "</sigs>"
                 + "<proper-signing-keyset identifier=\"2\" />"
                 + "<upgrade-keyset identifier=\"3\" />"
                 + "<defined-keyset alias=\"C\" identifier=\"3\" />"
                 + "</package>"
                 + "<shared-user name=\"com.android.shared1\" userId=\"11000\">"
                 + "<sigs count=\"1\">"
                 + "<cert index=\"1\" />"
                 + "</sigs>"
                 + "<perms>"
                 + "<item name=\"android.permission.REBOOT\" />"
                 + "</perms>"
                 + "</shared-user>"
                 + "<keyset-settings version=\"1\">"
                 + "<keys>"
                 + "<public-key identifier=\"1\" value=\"" + KeySetStrings.ctsKeySetPublicKeyA + "\" />"
                 + "<public-key identifier=\"2\" value=\"" + KeySetStrings.ctsKeySetPublicKeyB + "\" />"
                 + "<public-key identifier=\"3\" value=\"" + KeySetStrings.ctsKeySetPublicKeyC + "\" />"
                 + "</keys>"
                 + "<keysets>"
                 + "<keyset identifier=\"1\">"
                 + "<key-id identifier=\"1\" />"
                 + "</keyset>"
                 + "<keyset identifier=\"2\">"
                 + "<key-id identifier=\"2\" />"
                 + "</keyset>"
                 + "<keyset identifier=\"3\">"
                 + "<key-id identifier=\"3\" />"
                 + "</keyset>"
                 + "<keyset identifier=\"4\">"
                 + "<key-id identifier=\"1\" />"
                 + "<key-id identifier=\"2\" />"
                 + "</keyset>"
                 + "</keysets>"
                 + "<lastIssuedKeyId value=\"3\" />"
                 + "<lastIssuedKeySetId value=\"4\" />"
                 + "</keyset-settings>"
                 + "</packages>").getBytes());
     }

     private void writeStoppedPackagesXml() {
         writeFile(new File(getContext().getFilesDir(), "system/packages-stopped.xml"),
                 ( "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>"
                 + "<stopped-packages>"
                 + "<pkg name=\"com.google.app1\" nl=\"1\" />"
                 + "<pkg name=\"com.android.app3\" nl=\"1\" />"
                 + "</stopped-packages>")
                 .getBytes());
     }

     private void writePackagesList() {
         writeFile(new File(getContext().getFilesDir(), "system/packages.list"),
                 ( "com.google.app1 11000 0 /data/data/com.google.app1 seinfo1"
                 + "com.google.app2 11001 0 /data/data/com.google.app2 seinfo2"
                 + "com.android.app3 11030 0 /data/data/com.android.app3 seinfo3")
                 .getBytes());
     }

     private void deleteSystemFolder() {
         File systemFolder = new File(getContext().getFilesDir(), "system");
         deleteFolder(systemFolder);
     }

     private static void deleteFolder(File folder) {
         File[] files = folder.listFiles();
         if (files != null) {
             for (File file : files) {
                 deleteFolder(file);
             }
         }
         folder.delete();
     }

     private void writeOldFiles() {
         deleteSystemFolder();
         writePackagesXml();
         writeStoppedPackagesXml();
         writePackagesList();
     }

     private void createUserManagerServiceRef() throws ReflectiveOperationException {
         Constructor<UserManagerService> umsc =
                 UserManagerService.class.getDeclaredConstructor(
                         Context.class,
                         PackageManagerService.class,
                         Object.class,
                         Object.class,
                         File.class,
                         File.class);
         umsc.setAccessible(true);
         UserManagerService ums = umsc.newInstance(getContext(), null,
                 new Object(), new Object(), getContext().getFilesDir(),
                 new File(getContext().getFilesDir(), "user"));
     }

     private void verifyKeySetMetaData(Settings settings)
             throws ReflectiveOperationException, IllegalAccessException {
         ArrayMap<String, PackageSetting> packages = settings.mPackages;
         KeySetManagerService ksms = settings.mKeySetManagerService;

         /* verify keyset and public key ref counts */
         assertEquals(2, KeySetUtils.getKeySetRefCount(ksms, 1));
         assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 2));
         assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 3));
         assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 4));
         assertEquals(2, KeySetUtils.getPubKeyRefCount(ksms, 1));
         assertEquals(2, KeySetUtils.getPubKeyRefCount(ksms, 2));
         assertEquals(1, KeySetUtils.getPubKeyRefCount(ksms, 3));

         /* verify public keys properly read */
         PublicKey keyA = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyA);
         PublicKey keyB = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyB);
         PublicKey keyC = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyC);
         assertEquals(keyA, KeySetUtils.getPubKey(ksms, 1));
         assertEquals(keyB, KeySetUtils.getPubKey(ksms, 2));
         assertEquals(keyC, KeySetUtils.getPubKey(ksms, 3));

         /* verify mapping is correct (ks -> pub keys) */
         LongSparseArray<ArraySet<Long>> ksMapping = KeySetUtils.getKeySetMapping(ksms);
         ArraySet<Long> mapping = ksMapping.get(1);
         assertEquals(1, mapping.size());
         assertTrue(mapping.contains(new Long(1)));
         mapping = ksMapping.get(2);
         assertEquals(1, mapping.size());
         assertTrue(mapping.contains(new Long(2)));
         mapping = ksMapping.get(3);
         assertEquals(1, mapping.size());
         assertTrue(mapping.contains(new Long(3)));
         mapping = ksMapping.get(4);
         assertEquals(2, mapping.size());
         assertTrue(mapping.contains(new Long(1)));
         assertTrue(mapping.contains(new Long(2)));

         /* verify lastIssuedIds are consistent */
         assertEquals(new Long(3), KeySetUtils.getLastIssuedKeyId(ksms));
         assertEquals(new Long(4), KeySetUtils.getLastIssuedKeySetId(ksms));

         /* verify packages have been given the appropriat information */
         PackageSetting ps = packages.get("com.google.app1");
         assertEquals(1, ps.keySetData.getProperSigningKeySet());
         ps = packages.get("com.google.app2");
         assertEquals(1, ps.keySetData.getProperSigningKeySet());
         assertEquals(new Long(4), ps.keySetData.getAliases().get("AB"));
         ps = packages.get("com.android.app3");
         assertEquals(2, ps.keySetData.getProperSigningKeySet());
         assertEquals(new Long(3), ps.keySetData.getAliases().get("C"));
         assertEquals(1, ps.keySetData.getUpgradeKeySets().length);
         assertEquals(3, ps.keySetData.getUpgradeKeySets()[0]);
     }

     /* make sure our initialized keysetmanagerservice metadata matches packages.xml */
     public void testReadKeySetSettings()
             throws ReflectiveOperationException, IllegalAccessException {

         /* write out files and read */
         writeOldFiles();
         createUserManagerServiceRef();
         Settings settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));
         verifyKeySetMetaData(settings);
     }

     /* read in data, write it out, and read it back in.  Verify same. */
     public void testWriteKeySetSettings()
             throws ReflectiveOperationException, IllegalAccessException {

         /* write out files and read */
         writeOldFiles();
         createUserManagerServiceRef();
         Settings settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));

         /* write out, read back in and verify the same */
         settings.writeLPr();
         assertEquals(true, settings.readLPw(createFakeUsers()));
         verifyKeySetMetaData(settings);
     }

     public void testSettingsReadOld() {
         // Write the package files and make sure they're parsed properly the first time
         writeOldFiles();
         Settings settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));
         assertNotNull(settings.peekPackageLPr(PACKAGE_NAME_3));
         assertNotNull(settings.peekPackageLPr(PACKAGE_NAME_1));

         PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_1);
         assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(0));
         assertEquals(true, ps.getNotLaunched(0));

         ps = settings.peekPackageLPr(PACKAGE_NAME_2);
         assertEquals(false, ps.getStopped(0));
         assertEquals(COMPONENT_ENABLED_STATE_DISABLED_USER, ps.getEnabled(0));
         assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(1));
     }

     public void testNewPackageRestrictionsFile() throws ReflectiveOperationException {

         // Write the package files and make sure they're parsed properly the first time
         writeOldFiles();
         createUserManagerServiceRef();
         Settings settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));
         settings.writeLPr();

         // Create Settings again to make it read from the new files
         settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));

         PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_2);
         assertEquals(COMPONENT_ENABLED_STATE_DISABLED_USER, ps.getEnabled(0));
         assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(1));
     }

     public void testEnableDisable() {
         // Write the package files and make sure they're parsed properly the first time
         writeOldFiles();
         Settings settings = new Settings(getContext().getFilesDir(), new Object());
         assertEquals(true, settings.readLPw(createFakeUsers()));

         // Enable/Disable a package
         PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_1);
         ps.setEnabled(COMPONENT_ENABLED_STATE_DISABLED, 0, null);
         ps.setEnabled(COMPONENT_ENABLED_STATE_ENABLED, 1, null);
         assertEquals(COMPONENT_ENABLED_STATE_DISABLED, ps.getEnabled(0));
         assertEquals(COMPONENT_ENABLED_STATE_ENABLED, ps.getEnabled(1));

         // Enable/Disable a component
         ArraySet<String> components = new ArraySet<String>();
         String component1 = PACKAGE_NAME_1 + "/.Component1";
         components.add(component1);
         ps.setDisabledComponents(components, 0);
         ArraySet<String> componentsDisabled = ps.getDisabledComponents(0);
         assertEquals(1, componentsDisabled.size());
         assertEquals(component1, componentsDisabled.toArray()[0]);
         boolean hasEnabled =
                 ps.getEnabledComponents(0) != null && ps.getEnabledComponents(1).size() > 0;
         assertEquals(false, hasEnabled);

         // User 1 should not have any disabled components
         boolean hasDisabled =
                 ps.getDisabledComponents(1) != null && ps.getDisabledComponents(1).size() > 0;
         assertEquals(false, hasDisabled);
         ps.setEnabledComponents(components, 1);
         assertEquals(1, ps.getEnabledComponents(1).size());
         hasEnabled = ps.getEnabledComponents(0) != null && ps.getEnabledComponents(0).size() > 0;
         assertEquals(false, hasEnabled);
     }
 }
	/*
	* Copyright (C) 2012 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.server.pm;

	import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
	import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
	import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
	import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;

	import android.annotation.NonNull;
	import android.content.Context;
	import android.content.pm.PackageParser;
	import android.content.pm.UserInfo;
	import android.os.UserHandle;
	import android.test.AndroidTestCase;
	import android.util.ArrayMap;
	import android.util.ArraySet;
	import android.util.Log;
	import android.util.LongSparseArray;

	import com.android.internal.os.AtomicFile;

	import java.lang.reflect.Constructor;
	import java.io.File;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.security.PublicKey;
	import java.util.ArrayList;
	import java.util.List;

	public class PackageManagerSettingsTests extends AndroidTestCase {
	private static final String PACKAGE_NAME_2 = "com.google.app2";
	private static final String PACKAGE_NAME_3 = "com.android.app3";
	private static final String PACKAGE_NAME_1 = "com.google.app1";
	private static final boolean localLOGV = true;
	public static final String TAG = "PackageManagerSettingsTests";
	protected final String PREFIX = "android.content.pm";

	private @NonNull List<UserInfo> createFakeUsers() {
	ArrayList<UserInfo> users = new ArrayList<>();
	users.add(new UserInfo(UserHandle.USER_SYSTEM, "test user", UserInfo.FLAG_INITIALIZED));
	return users;
	}

	private void writeFile(File file, byte[] data) {
	file.mkdirs();
	try {
	AtomicFile aFile = new AtomicFile(file);
	FileOutputStream fos = aFile.startWrite();
	fos.write(data);
	aFile.finishWrite(fos);
	} catch (IOException ioe) {
	Log.e(TAG, "Cannot write file " + file.getPath());
	}
	}

	private void writePackagesXml() {
	writeFile(new File(getContext().getFilesDir(), "system/packages.xml"),
	("<?xml version='1.0' encoding='utf-8' standalone='yes' ?>"
	+ "<packages>"
	+ "<last-platform-version internal=\"15\" external=\"0\" fingerprint=\"foo\" />"
	+ "<permission-trees>"
	+ "<item name=\"com.google.android.permtree\" package=\"com.google.android.permpackage\" />"
	+ "</permission-trees>"
	+ "<permissions>"
	+ "<item name=\"android.permission.WRITE_CALL_LOG\" package=\"android\" protection=\"1\" />"
	+ "<item name=\"android.permission.ASEC_ACCESS\" package=\"android\" protection=\"2\" />"
	+ "<item name=\"android.permission.ACCESS_WIMAX_STATE\" package=\"android\" />"
	+ "<item name=\"android.permission.REBOOT\" package=\"android\" protection=\"18\" />"
	+ "</permissions>"
	+ "<package name=\"com.google.app1\" codePath=\"/system/app/app1.apk\" nativeLibraryPath=\"/data/data/com.google.app1/lib\" flags=\"1\" ft=\"1360e2caa70\" it=\"135f2f80d08\" ut=\"1360e2caa70\" version=\"1109\" sharedUserId=\"11000\">"
	+ "<sigs count=\"1\">"
	+ "<cert index=\"0\" key=\"" + KeySetStrings.ctsKeySetCertA + "\" />"
	+ "</sigs>"
	+ "<proper-signing-keyset identifier=\"1\" />"
	+ "</package>"
	+ "<package name=\"com.google.app2\" codePath=\"/system/app/app2.apk\" nativeLibraryPath=\"/data/data/com.google.app2/lib\" flags=\"1\" ft=\"1360e578718\" it=\"135f2f80d08\" ut=\"1360e578718\" version=\"15\" enabled=\"3\" userId=\"11001\">"
	+ "<sigs count=\"1\">"
	+ "<cert index=\"0\" />"
	+ "</sigs>"
	+ "<proper-signing-keyset identifier=\"1\" />"
	+ "<defined-keyset alias=\"AB\" identifier=\"4\" />"
	+ "</package>"
	+ "<package name=\"com.android.app3\" codePath=\"/system/app/app3.apk\" nativeLibraryPath=\"/data/data/com.android.app3/lib\" flags=\"1\" ft=\"1360e577b60\" it=\"135f2f80d08\" ut=\"1360e577b60\" version=\"15\" userId=\"11030\">"
	+ "<sigs count=\"1\">"
	+ "<cert index=\"1\" key=\"" + KeySetStrings.ctsKeySetCertB + "\" />"
	+ "</sigs>"
	+ "<proper-signing-keyset identifier=\"2\" />"
	+ "<upgrade-keyset identifier=\"3\" />"
	+ "<defined-keyset alias=\"C\" identifier=\"3\" />"
	+ "</package>"
	+ "<shared-user name=\"com.android.shared1\" userId=\"11000\">"
	+ "<sigs count=\"1\">"
	+ "<cert index=\"1\" />"
	+ "</sigs>"
	+ "<perms>"
	+ "<item name=\"android.permission.REBOOT\" />"
	+ "</perms>"
	+ "</shared-user>"
	+ "<keyset-settings version=\"1\">"
	+ "<keys>"
	+ "<public-key identifier=\"1\" value=\"" + KeySetStrings.ctsKeySetPublicKeyA + "\" />"
	+ "<public-key identifier=\"2\" value=\"" + KeySetStrings.ctsKeySetPublicKeyB + "\" />"
	+ "<public-key identifier=\"3\" value=\"" + KeySetStrings.ctsKeySetPublicKeyC + "\" />"
	+ "</keys>"
	+ "<keysets>"
	+ "<keyset identifier=\"1\">"
	+ "<key-id identifier=\"1\" />"
	+ "</keyset>"
	+ "<keyset identifier=\"2\">"
	+ "<key-id identifier=\"2\" />"
	+ "</keyset>"
	+ "<keyset identifier=\"3\">"
	+ "<key-id identifier=\"3\" />"
	+ "</keyset>"
	+ "<keyset identifier=\"4\">"
	+ "<key-id identifier=\"1\" />"
	+ "<key-id identifier=\"2\" />"
	+ "</keyset>"
	+ "</keysets>"
	+ "<lastIssuedKeyId value=\"3\" />"
	+ "<lastIssuedKeySetId value=\"4\" />"
	+ "</keyset-settings>"
	+ "</packages>").getBytes());
	}

	private void writeStoppedPackagesXml() {
	writeFile(new File(getContext().getFilesDir(), "system/packages-stopped.xml"),
	( "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>"
	+ "<stopped-packages>"
	+ "<pkg name=\"com.google.app1\" nl=\"1\" />"
	+ "<pkg name=\"com.android.app3\" nl=\"1\" />"
	+ "</stopped-packages>")
	.getBytes());
	}

	private void writePackagesList() {
	writeFile(new File(getContext().getFilesDir(), "system/packages.list"),
	( "com.google.app1 11000 0 /data/data/com.google.app1 seinfo1"
	+ "com.google.app2 11001 0 /data/data/com.google.app2 seinfo2"
	+ "com.android.app3 11030 0 /data/data/com.android.app3 seinfo3")
	.getBytes());
	}

	private void deleteSystemFolder() {
	File systemFolder = new File(getContext().getFilesDir(), "system");
	deleteFolder(systemFolder);
	}

	private static void deleteFolder(File folder) {
	File[] files = folder.listFiles();
	if (files != null) {
	for (File file : files) {
	deleteFolder(file);
	}
	}
	folder.delete();
	}

	private void writeOldFiles() {
	deleteSystemFolder();
	writePackagesXml();
	writeStoppedPackagesXml();
	writePackagesList();
	}

	private void createUserManagerServiceRef() throws ReflectiveOperationException {
	Constructor<UserManagerService> umsc =
	UserManagerService.class.getDeclaredConstructor(
	Context.class,
	PackageManagerService.class,
	Object.class,
	Object.class,
	File.class,
	File.class);
	umsc.setAccessible(true);
	UserManagerService ums = umsc.newInstance(getContext(), null,
	new Object(), new Object(), getContext().getFilesDir(),
	new File(getContext().getFilesDir(), "user"));
	}

	private void verifyKeySetMetaData(Settings settings)
	throws ReflectiveOperationException, IllegalAccessException {
	ArrayMap<String, PackageSetting> packages = settings.mPackages;
	KeySetManagerService ksms = settings.mKeySetManagerService;

	/* verify keyset and public key ref counts */
	assertEquals(2, KeySetUtils.getKeySetRefCount(ksms, 1));
	assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 2));
	assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 3));
	assertEquals(1, KeySetUtils.getKeySetRefCount(ksms, 4));
	assertEquals(2, KeySetUtils.getPubKeyRefCount(ksms, 1));
	assertEquals(2, KeySetUtils.getPubKeyRefCount(ksms, 2));
	assertEquals(1, KeySetUtils.getPubKeyRefCount(ksms, 3));

	/* verify public keys properly read */
	PublicKey keyA = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyA);
	PublicKey keyB = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyB);
	PublicKey keyC = PackageParser.parsePublicKey(KeySetStrings.ctsKeySetPublicKeyC);
	assertEquals(keyA, KeySetUtils.getPubKey(ksms, 1));
	assertEquals(keyB, KeySetUtils.getPubKey(ksms, 2));
	assertEquals(keyC, KeySetUtils.getPubKey(ksms, 3));

	/* verify mapping is correct (ks -> pub keys) */
	LongSparseArray<ArraySet<Long>> ksMapping = KeySetUtils.getKeySetMapping(ksms);
	ArraySet<Long> mapping = ksMapping.get(1);
	assertEquals(1, mapping.size());
	assertTrue(mapping.contains(new Long(1)));
	mapping = ksMapping.get(2);
	assertEquals(1, mapping.size());
	assertTrue(mapping.contains(new Long(2)));
	mapping = ksMapping.get(3);
	assertEquals(1, mapping.size());
	assertTrue(mapping.contains(new Long(3)));
	mapping = ksMapping.get(4);
	assertEquals(2, mapping.size());
	assertTrue(mapping.contains(new Long(1)));
	assertTrue(mapping.contains(new Long(2)));

	/* verify lastIssuedIds are consistent */
	assertEquals(new Long(3), KeySetUtils.getLastIssuedKeyId(ksms));
	assertEquals(new Long(4), KeySetUtils.getLastIssuedKeySetId(ksms));

	/* verify packages have been given the appropriat information */
	PackageSetting ps = packages.get("com.google.app1");
	assertEquals(1, ps.keySetData.getProperSigningKeySet());
	ps = packages.get("com.google.app2");
	assertEquals(1, ps.keySetData.getProperSigningKeySet());
	assertEquals(new Long(4), ps.keySetData.getAliases().get("AB"));
	ps = packages.get("com.android.app3");
	assertEquals(2, ps.keySetData.getProperSigningKeySet());
	assertEquals(new Long(3), ps.keySetData.getAliases().get("C"));
	assertEquals(1, ps.keySetData.getUpgradeKeySets().length);
	assertEquals(3, ps.keySetData.getUpgradeKeySets()[0]);
	}

	/* make sure our initialized keysetmanagerservice metadata matches packages.xml */
	public void testReadKeySetSettings()
	throws ReflectiveOperationException, IllegalAccessException {

	/* write out files and read */
	writeOldFiles();
	createUserManagerServiceRef();
	Settings settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));
	verifyKeySetMetaData(settings);
	}

	/* read in data, write it out, and read it back in. Verify same. */
	public void testWriteKeySetSettings()
	throws ReflectiveOperationException, IllegalAccessException {

	/* write out files and read */
	writeOldFiles();
	createUserManagerServiceRef();
	Settings settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));

	/* write out, read back in and verify the same */
	settings.writeLPr();
	assertEquals(true, settings.readLPw(createFakeUsers()));
	verifyKeySetMetaData(settings);
	}

	public void testSettingsReadOld() {
	// Write the package files and make sure they're parsed properly the first time
	writeOldFiles();
	Settings settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));
	assertNotNull(settings.peekPackageLPr(PACKAGE_NAME_3));
	assertNotNull(settings.peekPackageLPr(PACKAGE_NAME_1));

	PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_1);
	assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(0));
	assertEquals(true, ps.getNotLaunched(0));

	ps = settings.peekPackageLPr(PACKAGE_NAME_2);
	assertEquals(false, ps.getStopped(0));
	assertEquals(COMPONENT_ENABLED_STATE_DISABLED_USER, ps.getEnabled(0));
	assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(1));
	}

	public void testNewPackageRestrictionsFile() throws ReflectiveOperationException {

	// Write the package files and make sure they're parsed properly the first time
	writeOldFiles();
	createUserManagerServiceRef();
	Settings settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));
	settings.writeLPr();

	// Create Settings again to make it read from the new files
	settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));

	PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_2);
	assertEquals(COMPONENT_ENABLED_STATE_DISABLED_USER, ps.getEnabled(0));
	assertEquals(COMPONENT_ENABLED_STATE_DEFAULT, ps.getEnabled(1));
	}

	public void testEnableDisable() {
	// Write the package files and make sure they're parsed properly the first time
	writeOldFiles();
	Settings settings = new Settings(getContext().getFilesDir(), new Object());
	assertEquals(true, settings.readLPw(createFakeUsers()));

	// Enable/Disable a package
	PackageSetting ps = settings.peekPackageLPr(PACKAGE_NAME_1);
	ps.setEnabled(COMPONENT_ENABLED_STATE_DISABLED, 0, null);
	ps.setEnabled(COMPONENT_ENABLED_STATE_ENABLED, 1, null);
	assertEquals(COMPONENT_ENABLED_STATE_DISABLED, ps.getEnabled(0));
	assertEquals(COMPONENT_ENABLED_STATE_ENABLED, ps.getEnabled(1));

	// Enable/Disable a component
	ArraySet<String> components = new ArraySet<String>();
	String component1 = PACKAGE_NAME_1 + "/.Component1";
	components.add(component1);
	ps.setDisabledComponents(components, 0);
	ArraySet<String> componentsDisabled = ps.getDisabledComponents(0);
	assertEquals(1, componentsDisabled.size());
	assertEquals(component1, componentsDisabled.toArray()[0]);
	boolean hasEnabled =
	ps.getEnabledComponents(0) != null && ps.getEnabledComponents(1).size() > 0;
	assertEquals(false, hasEnabled);

	// User 1 should not have any disabled components
	boolean hasDisabled =
	ps.getDisabledComponents(1) != null && ps.getDisabledComponents(1).size() > 0;
	assertEquals(false, hasDisabled);
	ps.setEnabledComponents(components, 1);
	assertEquals(1, ps.getEnabledComponents(1).size());
	hasEnabled = ps.getEnabledComponents(0) != null && ps.getEnabledComponents(0).size() > 0;
	assertEquals(false, hasEnabled);
	}
	}