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Make local variables final where possible in CredentialStorage

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This speeds up the run-time of credential settings.
Test: this is tested at compile time.

Change-Id: I77d577cace07826596eb40223a36a8d327b3d72b
This commit is contained in:
Irina Dumitrescu
2018-05-11 19:03:42 +01:00
parent d3ff522a0b
commit ea8406f75d
1 changed files with 34 additions and 34 deletions
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68
src/com/android/settings/CredentialStorage.java
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@@ -127,9 +127,9 @@ public final class CredentialStorage extends Activity {
protected void onResume() {
super.onResume();
Intent intent = getIntent();
String action = intent.getAction();
UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
final Intent intent = getIntent();
final String action = intent.getAction();
final UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
if (!userManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) {
if (ACTION_RESET.equals(action)) {
new ResetDialog();
@@ -208,18 +208,18 @@ public final class CredentialStorage extends Activity {
* Returns true if the currently set key guard matches our minimum quality requirements.
*/
private boolean checkKeyGuardQuality() {
int credentialOwner =
final int credentialOwner =
UserManager.get(this).getCredentialOwnerProfile(UserHandle.myUserId());
int quality = new LockPatternUtils(this).getActivePasswordQuality(credentialOwner);
final int quality = new LockPatternUtils(this).getActivePasswordQuality(credentialOwner);
return (quality >= MIN_PASSWORD_QUALITY);
}
private boolean isHardwareBackedKey(byte[] keyData) {
try {
ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(keyData));
PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
String algOid = pki.getAlgorithmId().getAlgorithm().getId();
String algName = new AlgorithmId(new ObjectIdentifier(algOid)).getName();
final ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(keyData));
final PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
final String algOid = pki.getAlgorithmId().getAlgorithm().getId();
final String algName = new AlgorithmId(new ObjectIdentifier(algOid)).getName();
return KeyChain.isBoundKeyAlgorithm(algName);
} catch (IOException e) {
@@ -236,14 +236,13 @@ public final class CredentialStorage extends Activity {
return;
}
Bundle bundle = mInstallBundle;
final Bundle bundle = mInstallBundle;
mInstallBundle = null;
final int uid = bundle.getInt(Credentials.EXTRA_INSTALL_AS_UID, KeyStore.UID_SELF);
if (uid != KeyStore.UID_SELF && !UserHandle.isSameUser(uid, Process.myUid())) {
int dstUserId = UserHandle.getUserId(uid);
int myUserId = UserHandle.myUserId();
final int dstUserId = UserHandle.getUserId(uid);
// Restrict install target to the wifi uid.
if (uid != Process.WIFI_UID) {
@@ -252,7 +251,7 @@ public final class CredentialStorage extends Activity {
return;
}
Intent installIntent = new Intent(ACTION_INSTALL)
final Intent installIntent = new Intent(ACTION_INSTALL)
.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT)
.putExtras(bundle);
startActivityAsUser(installIntent, new UserHandle(dstUserId));
@@ -260,8 +259,8 @@ public final class CredentialStorage extends Activity {
}
if (bundle.containsKey(Credentials.EXTRA_USER_PRIVATE_KEY_NAME)) {
String key = bundle.getString(Credentials.EXTRA_USER_PRIVATE_KEY_NAME);
byte[] value = bundle.getByteArray(Credentials.EXTRA_USER_PRIVATE_KEY_DATA);
final String key = bundle.getString(Credentials.EXTRA_USER_PRIVATE_KEY_NAME);
final byte[] value = bundle.getByteArray(Credentials.EXTRA_USER_PRIVATE_KEY_DATA);
int flags = KeyStore.FLAG_ENCRYPTED;
if (uid == Process.WIFI_UID && isHardwareBackedKey(value)) {
@@ -287,11 +286,11 @@ public final class CredentialStorage extends Activity {
}
}
int flags = KeyStore.FLAG_NONE;
final int flags = KeyStore.FLAG_NONE;
if (bundle.containsKey(Credentials.EXTRA_USER_CERTIFICATE_NAME)) {
String certName = bundle.getString(Credentials.EXTRA_USER_CERTIFICATE_NAME);
byte[] certData = bundle.getByteArray(Credentials.EXTRA_USER_CERTIFICATE_DATA);
final String certName = bundle.getString(Credentials.EXTRA_USER_CERTIFICATE_NAME);
final byte[] certData = bundle.getByteArray(Credentials.EXTRA_USER_CERTIFICATE_DATA);
if (!mKeyStore.put(certName, certData, uid, flags)) {
Log.e(TAG, "Failed to install " + certName + " as uid " + uid);
@@ -300,8 +299,8 @@ public final class CredentialStorage extends Activity {
}
if (bundle.containsKey(Credentials.EXTRA_CA_CERTIFICATES_NAME)) {
String caListName = bundle.getString(Credentials.EXTRA_CA_CERTIFICATES_NAME);
byte[] caListData = bundle.getByteArray(Credentials.EXTRA_CA_CERTIFICATES_DATA);
final String caListName = bundle.getString(Credentials.EXTRA_CA_CERTIFICATES_NAME);
final byte[] caListData = bundle.getByteArray(Credentials.EXTRA_CA_CERTIFICATES_DATA);
if (!mKeyStore.put(caListName, caListData, uid, flags)) {
Log.e(TAG, "Failed to install " + caListName + " as uid " + uid);
@@ -310,7 +309,7 @@ public final class CredentialStorage extends Activity {
}
// Send the broadcast.
Intent broadcast = new Intent(KeyChain.ACTION_KEYCHAIN_CHANGED);
final Intent broadcast = new Intent(KeyChain.ACTION_KEYCHAIN_CHANGED);
sendBroadcast(broadcast);
setResult(RESULT_OK);
@@ -324,7 +323,7 @@ public final class CredentialStorage extends Activity {
private boolean mResetConfirmed;
private ResetDialog() {
AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
final AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
.setTitle(android.R.string.dialog_alert_title)
.setMessage(R.string.credentials_reset_hint)
.setPositiveButton(android.R.string.ok, this)
@@ -364,7 +363,7 @@ public final class CredentialStorage extends Activity {
new LockPatternUtils(CredentialStorage.this).resetKeyStore(UserHandle.myUserId());
try {
KeyChainConnection keyChainConnection = KeyChain.bind(CredentialStorage.this);
final KeyChainConnection keyChainConnection = KeyChain.bind(CredentialStorage.this);
try {
return keyChainConnection.getService().reset();
} catch (RemoteException e) {
@@ -393,7 +392,7 @@ public final class CredentialStorage extends Activity {
}
private void clearLegacyVpnIfEstablished() {
boolean isDone = VpnUtils.disconnectLegacyVpn(getApplicationContext());
final boolean isDone = VpnUtils.disconnectLegacyVpn(getApplicationContext());
if (isDone) {
Toast.makeText(CredentialStorage.this, R.string.vpn_disconnected,
Toast.LENGTH_SHORT).show();
@@ -407,7 +406,7 @@ public final class CredentialStorage extends Activity {
private class MarkKeyAsUserSelectable extends AsyncTask<Void, Void, Boolean> {
final String mAlias;
public MarkKeyAsUserSelectable(String alias) {
MarkKeyAsUserSelectable(String alias) {
mAlias = alias;
}
@@ -440,7 +439,7 @@ public final class CredentialStorage extends Activity {
final int launchedFromUserId;
try {
int launchedFromUid = android.app.ActivityManager.getService()
final int launchedFromUid = android.app.ActivityManager.getService()
.getLaunchedFromUid(getActivityToken());
if (launchedFromUid == -1) {
Log.e(TAG, ACTION_INSTALL + " must be started with startActivityForResult");
@@ -456,8 +455,8 @@ public final class CredentialStorage extends Activity {
return false;
}
UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
UserInfo parentInfo = userManager.getProfileParent(launchedFromUserId);
final UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
final UserInfo parentInfo = userManager.getProfileParent(launchedFromUserId);
if (parentInfo == null || parentInfo.id != UserHandle.myUserId()) {
// Caller is not running in a profile of this user
return false;
@@ -469,7 +468,7 @@ public final class CredentialStorage extends Activity {
* Confirm existing key guard, returning password via onActivityResult.
*/
private boolean confirmKeyGuard(int requestCode) {
Resources res = getResources();
final Resources res = getResources();
boolean launched = new ChooseLockSettingsHelper(this)
.launchConfirmationActivity(requestCode,
res.getText(R.string.credentials_title), true);
@@ -485,7 +484,7 @@ public final class CredentialStorage extends Activity {
*/
if (requestCode == CONFIRM_KEY_GUARD_REQUEST) {
if (resultCode == Activity.RESULT_OK) {
String password = data.getStringExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
final String password = data.getStringExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
if (!TextUtils.isEmpty(password)) {
// success
mKeyStore.unlock(password);
@@ -520,9 +519,10 @@ public final class CredentialStorage extends Activity {
private final TextView mError;
private UnlockDialog() {
View view = View.inflate(CredentialStorage.this, R.layout.credentials_dialog, null);
final View view = View.inflate(
CredentialStorage.this, R.layout.credentials_dialog, null);
CharSequence text;
final CharSequence text;
if (mRetriesRemaining == -1) {
text = getResources().getText(R.string.credentials_unlock_hint);
} else if (mRetriesRemaining > 3) {
@@ -539,7 +539,7 @@ public final class CredentialStorage extends Activity {
mOldPassword.addTextChangedListener(this);
mError = (TextView) view.findViewById(R.id.error);
AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
final AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
.setView(view)
.setTitle(R.string.credentials_unlock)
.setPositiveButton(android.R.string.ok, this)
@@ -575,7 +575,7 @@ public final class CredentialStorage extends Activity {
mUnlockConfirmed = false;
mError.setVisibility(View.VISIBLE);
mKeyStore.unlock(mOldPassword.getText().toString());
int error = mKeyStore.getLastError();
final int error = mKeyStore.getLastError();
if (error == KeyStore.NO_ERROR) {
mRetriesRemaining = -1;
Toast.makeText(CredentialStorage.this,