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Add a checkbox option to 'require password to decrypt'

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Fixes bug 17881324

Change-Id: I3f256f448a35cf8104ee6acb4de253874101f7c0
This commit is contained in:
Jim Miller
2014-10-13 18:15:17 -07:00
parent 94dce76185
commit 46c7f6d6f3
7 changed files with 259 additions and 6 deletions
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2
AndroidManifest.xml
View File

@@ -1164,6 +1164,8 @@
<activity android:name="ChooseLockPassword" android:exported="false"
android:windowSoftInputMode="stateVisible|adjustResize"/>
<activity android:name=".EncryptionInterstitial"/>
<!-- Runs in the phone process since it needs access to the Phone object -->
<activity android:name=".deviceinfo.Status"
android:label="@string/device_status_activity_title"

57
res/layout/encryption_interstitial.xml Normal file
View File

@@ -0,0 +1,57 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 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
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingStart="@dimen/settings_side_margin"
android:paddingEnd="@dimen/settings_side_margin">
<TextView
android:id="@+id/encryption_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginStart="?android:attr/listPreferredItemPaddingStart"
android:layout_marginEnd="?android:attr/listPreferredItemPaddingEnd"
android:textAppearance="?android:attr/textAppearanceMedium" />
<RadioGroup
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginStart="?android:attr/listPreferredItemPaddingStart"
android:layout_marginEnd="?android:attr/listPreferredItemPaddingEnd"
android:checkedButton="@+id/encrypt_require_password">
<RadioButton
android:id="@+id/encrypt_require_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp" />
<RadioButton
android:id="@+id/encrypt_dont_require_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp" />
</RadioGroup>
</LinearLayout>

27
res/values/strings.xml
View File

@@ -5910,4 +5910,31 @@
<!-- [CHAR LIMIT=70] Don't rotate when screen is turned option -->
<string name="display_auto_rotate_stay_in_current">Stay in current orientation</string>
<!-- Encryption interstitial title [CHAR LIMIT=30] -->
<string name="encryption_interstitial_header">Encryption</string>
<!-- Encryption interstitial button to continue with the shown setting. Appears on screen that asks the user to opt in/out of encrypting device with a pin/pattern/password. [CHAR LIMIT=NONE] -->
<string name="encryption_continue_button">Continue</string>
<!-- Message shown on encryption interstitial to ask the user whether or not they want to use a PIN to encrypt the device. [CHAR LIMIT=NONE] -->
<string name="encryption_interstitial_message_pin">Because your device is encrypted, you can further protect it by requiring that you enter your PIN before your device starts up.</string>
<!-- Message shown on encryption interstitial to ask the user whether or not they want to use a pattern to encrypt the device. [CHAR LIMIT=NONE] -->
<string name="encryption_interstitial_message_pattern">Because your device is encrypted, you can further protect it by requiring that you enter your pattern before your device starts up.</string>
<!-- Message shown on encryption interstitial to ask the user whether or not they want to use a password to encrypt the device. [CHAR LIMIT=NONE] -->
<string name="encryption_interstitial_message_password">Because your device is encrypted, you can further protect it by requiring that you enter your password before your device starts up.</string>
<!-- Radio button text that require a PIN to start device [CHAR LIMIT=NONE] -->
<string name="encrypt_require_pin">Require PIN to start device</string>
<!-- Radio button text that require a pattern to start device [CHAR LIMIT=NONE] -->
<string name="encrypt_require_pattern">Require pattern to start device</string>
<!-- Radio button text that require a password to start device [CHAR LIMIT=NONE] -->
<string name="encrypt_require_password">Require password to start device</string>
<!-- Radio button text that doesn't require a PIN to decrypt [CHAR LIMIT=NONE] -->
<string name="encrypt_dont_require_pin">No thanks</string>
<!-- Radio button text that doesn't require a pattern to decrypt [CHAR LIMIT=NONE] -->
<string name="encrypt_dont_require_pattern">No thanks</string>
<!-- Radio button text that doesn't require a password to decrypt [CHAR LIMIT=NONE] -->
<string name="encrypt_dont_require_password">No thanks</string>
</resources>

43
src/com/android/settings/ChooseLockGeneric.java
View File

@@ -18,12 +18,16 @@ package com.android.settings;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.PendingIntent;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.UserInfo;
import android.os.Bundle;
import android.os.Process;
import android.os.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import android.preference.Preference;
import android.preference.PreferenceScreen;
@@ -69,11 +73,14 @@ public class ChooseLockGeneric extends SettingsActivity {
private static final String KEY_UNLOCK_SET_PATTERN = "unlock_set_pattern";
private static final int CONFIRM_EXISTING_REQUEST = 100;
private static final int FALLBACK_REQUEST = 101;
private static final int ENABLE_ENCRYPTION_REQUEST = 102;
private static final String PASSWORD_CONFIRMED = "password_confirmed";
private static final String CONFIRM_CREDENTIALS = "confirm_credentials";
private static final String WAITING_FOR_CONFIRMATION = "waiting_for_confirmation";
private static final String FINISH_PENDING = "finish_pending";
public static final String MINIMUM_QUALITY_KEY = "minimum_quality";
public static final String ENCRYPT_REQUESTED_QUALITY = "encrypt_requested_quality";
public static final String ENCRYPT_REQUESTED_DISABLED = "encrypt_requested_disabled";
private static final boolean ALWAY_SHOW_TUTORIAL = true;
@@ -83,6 +90,8 @@ public class ChooseLockGeneric extends SettingsActivity {
private boolean mPasswordConfirmed = false;
private boolean mWaitingForConfirmation = false;
private boolean mFinishPending = false;
private int mEncryptionRequestQuality;
private boolean mEncryptionRequestDisabled;
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -103,6 +112,9 @@ public class ChooseLockGeneric extends SettingsActivity {
mPasswordConfirmed = savedInstanceState.getBoolean(PASSWORD_CONFIRMED);
mWaitingForConfirmation = savedInstanceState.getBoolean(WAITING_FOR_CONFIRMATION);
mFinishPending = savedInstanceState.getBoolean(FINISH_PENDING);
mEncryptionRequestQuality = savedInstanceState.getInt(ENCRYPT_REQUESTED_QUALITY);
mEncryptionRequestDisabled = savedInstanceState.getBoolean(
ENCRYPT_REQUESTED_DISABLED);
}
if (mPasswordConfirmed) {
@@ -143,16 +155,16 @@ public class ChooseLockGeneric extends SettingsActivity {
updateUnlockMethodAndFinish(
DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, false);
} else if (KEY_UNLOCK_SET_BIOMETRIC_WEAK.equals(key)) {
updateUnlockMethodAndFinish(
maybeEnableEncryption(
DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK, false);
}else if (KEY_UNLOCK_SET_PATTERN.equals(key)) {
updateUnlockMethodAndFinish(
maybeEnableEncryption(
DevicePolicyManager.PASSWORD_QUALITY_SOMETHING, false);
} else if (KEY_UNLOCK_SET_PIN.equals(key)) {
updateUnlockMethodAndFinish(
maybeEnableEncryption(
DevicePolicyManager.PASSWORD_QUALITY_NUMERIC, false);
} else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) {
updateUnlockMethodAndFinish(
maybeEnableEncryption(
DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC, false);
} else {
handled = false;
@@ -160,6 +172,24 @@ public class ChooseLockGeneric extends SettingsActivity {
return handled;
}
/**
* If the device has encryption already enabled, then ask the user if they
* also want to encrypt the phone with this password.
*
* @param quality
* @param disabled
*/
private void maybeEnableEncryption(int quality, boolean disabled) {
if (Process.myUserHandle().isOwner() && LockPatternUtils.isDeviceEncryptionEnabled()) {
mEncryptionRequestQuality = quality;
mEncryptionRequestDisabled = disabled;
Intent intent = EncryptionInterstitial.createStartIntent(getActivity(), quality);
startActivityForResult(intent, ENABLE_ENCRYPTION_REQUEST);
} else {
updateUnlockMethodAndFinish(quality, disabled);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
@@ -186,6 +216,9 @@ public class ChooseLockGeneric extends SettingsActivity {
mChooseLockSettingsHelper.utils().deleteTempGallery();
getActivity().setResult(resultCode);
finish();
} else if (requestCode == ENABLE_ENCRYPTION_REQUEST
&& resultCode == Activity.RESULT_OK) {
updateUnlockMethodAndFinish(mEncryptionRequestQuality, mEncryptionRequestDisabled);
} else {
getActivity().setResult(Activity.RESULT_CANCELED);
finish();
@@ -199,6 +232,8 @@ public class ChooseLockGeneric extends SettingsActivity {
outState.putBoolean(PASSWORD_CONFIRMED, mPasswordConfirmed);
outState.putBoolean(WAITING_FOR_CONFIRMATION, mWaitingForConfirmation);
outState.putBoolean(FINISH_PENDING, mFinishPending);
outState.putInt(ENCRYPT_REQUESTED_QUALITY, mEncryptionRequestQuality);
outState.putBoolean(ENCRYPT_REQUESTED_DISABLED, mEncryptionRequestDisabled);
}
private void updatePreferencesOrFinish() {

2
src/com/android/settings/ChooseLockPassword.java
View File

@@ -24,11 +24,13 @@ import com.android.settings.notification.RedactionInterstitial;
import android.app.Activity;
import android.app.Fragment;
import android.app.admin.DevicePolicyManager;
import android.content.ContentResolver;
import android.content.Intent;
import android.inputmethodservice.KeyboardView;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.text.Editable;
import android.text.InputType;
import android.text.Selection;

3
src/com/android/settings/ChooseLockPattern.java
View File

@@ -17,7 +17,6 @@
package com.android.settings;
import com.google.android.collect.Lists;
import com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient;
import com.android.internal.widget.LockPatternUtils;
import com.android.internal.widget.LockPatternView;
@@ -28,8 +27,10 @@ import static com.android.internal.widget.LockPatternView.DisplayMode;
import android.app.Activity;
import android.app.Fragment;
import android.content.ContentResolver;
import android.content.Intent;
import android.os.Bundle;
import android.provider.Settings;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;

129
src/com/android/settings/EncryptionInterstitial.java Normal file
View File

@@ -0,0 +1,129 @@
/*
* Copyright (C) 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.settings;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.SettingsPreferenceFragment;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.provider.Settings;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioButton;
import android.widget.TextView;
public class EncryptionInterstitial extends SettingsActivity {
private static final String EXTRA_PASSWORD_QUALITY = "extra_password_quality";
@Override
public Intent getIntent() {
Intent modIntent = new Intent(super.getIntent());
modIntent.putExtra(EXTRA_SHOW_FRAGMENT, EncryptionInterstitialFragment.class.getName());
return modIntent;
}
@Override
protected boolean isValidFragment(String fragmentName) {
return EncryptionInterstitialFragment.class.getName().equals(fragmentName);
}
public static Intent createStartIntent(Context ctx, int quality) {
return new Intent(ctx, EncryptionInterstitial.class)
.putExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, true)
.putExtra(EXTRA_PREFS_SET_BACK_TEXT, (String) null)
.putExtra(EXTRA_PREFS_SET_NEXT_TEXT, ctx.getString(
R.string.encryption_continue_button))
.putExtra(EXTRA_PASSWORD_QUALITY, quality)
.putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, R.string.encryption_interstitial_header);
}
public static class EncryptionInterstitialFragment extends SettingsPreferenceFragment
implements View.OnClickListener {
private RadioButton mRequirePasswordToDecryptButton;
private RadioButton mDontRequirePasswordToDecryptButton;
private TextView mEncryptionMessage;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final int layoutId = R.layout.encryption_interstitial;
View view = inflater.inflate(layoutId, container, false);
mRequirePasswordToDecryptButton =
(RadioButton) view.findViewById(R.id.encrypt_require_password);
mDontRequirePasswordToDecryptButton =
(RadioButton) view.findViewById(R.id.encrypt_dont_require_password);
mEncryptionMessage =
(TextView) view.findViewById(R.id.encryption_message);
int quality = getActivity().getIntent().getIntExtra(EXTRA_PASSWORD_QUALITY, 0);
final int msgId;
final int enableId;
final int disableId;
switch (quality) {
case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
msgId = R.string.encryption_interstitial_message_pattern;
enableId = R.string.encrypt_require_pattern;
disableId = R.string.encrypt_dont_require_pattern;
break;
case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX:
msgId = R.string.encryption_interstitial_message_pin;
enableId = R.string.encrypt_require_pin;
disableId = R.string.encrypt_dont_require_pin;
break;
default:
msgId = R.string.encryption_interstitial_message_password;
enableId = R.string.encrypt_require_password;
disableId = R.string.encrypt_dont_require_password;
break;
}
mEncryptionMessage.setText(msgId);
mRequirePasswordToDecryptButton.setOnClickListener(this);
mRequirePasswordToDecryptButton.setText(enableId);
mDontRequirePasswordToDecryptButton.setOnClickListener(this);
mDontRequirePasswordToDecryptButton.setText(disableId);
return view;
}
@Override
public void onResume() {
super.onResume();
loadFromSettings();
}
private void loadFromSettings() {
final boolean required = Settings.Global.getInt(getContentResolver(),
Settings.Global.REQUIRE_PASSWORD_TO_DECRYPT, 1) == 1 ? true : false;
mRequirePasswordToDecryptButton.setChecked(required);
mDontRequirePasswordToDecryptButton.setChecked(!required);
}
@Override
public void onClick(View v) {
final boolean required = (v == mRequirePasswordToDecryptButton);
Settings.Global.putInt(getContentResolver(),
Settings.Global.REQUIRE_PASSWORD_TO_DECRYPT, required ? 1 : 0);
}
}
}