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sdk: Introduce Trust Interface

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Change-Id: I5c3ece3f6035dd03be1ceab01020496c179f2e65
Signed-off-by: Joey <joey@lineageos.org>
This commit is contained in:
Joey
2018-04-03 15:42:18 +02:00
committed by Bruno Martins
parent f13838a099
commit c0b21ca8ed
14 changed files with 755 additions and 2 deletions
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19
sdk/src/java/lineageos/app/LineageContextConstants.java
View File

@@ -107,6 +107,17 @@ public final class LineageContextConstants {
*/
public static final String LINEAGE_STYLE_INTERFACE = "lineagestyle";
/**
* Use with {@link android.content.Context#getSystemService} to retrieve a
* {@link lineageos.trust.TrustInterface} to access the Trust interface.
*
* @see android.content.Context#getSystemService
* @see lineageos.trust.TrustInterface
*
* @hide
*/
public static final String LINEAGE_TRUST_INTERFACE = "lineagetrust";
/**
* Features supported by the Lineage SDK.
*/
@@ -166,5 +177,13 @@ public final class LineageContextConstants {
*/
@SdkConstant(SdkConstant.SdkConstantType.FEATURE)
public static final String STYLES = "org.lineageos.style";
/**
* Feature for {@link PackageManager#getSystemAvailableFeatures} and
* {@link PackageManager#hasSystemFeature}: The device includes the lineage trust service
* utilized by the lineage sdk.
*/
@SdkConstant(SdkConstant.SdkConstantType.FEATURE)
public static final String TRUST = "org.lineageos.trust";
}
}

33
sdk/src/java/lineageos/providers/LineageSettings.java
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@@ -79,6 +79,16 @@ public final class LineageSettings {
public static final String ACTION_LIVEDISPLAY_SETTINGS =
"lineageos.settings.LIVEDISPLAY_SETTINGS";
/**
* Activity Action: Show Trust interface settings
* <p>
* Input: Nothing.
* <p>
* Output: Nothing.
*/
public static final String ACTION_TRUST_INTERFACE =
"lineageos.settings.TRUST_INTERFACE";
// region Call Methods
/**
@@ -1528,6 +1538,15 @@ public final class LineageSettings {
public static final Validator LIVE_DISPLAY_HINTED_VALIDATOR =
new InclusiveIntegerRangeValidator(-3, 1);
/**
* Did we tell the user about the trust brand and interface?
* @hide
*/
public static final String TRUST_INTERFACE_HINTED = "trust_interface_hinted";
/** @hide */
public static final Validator TRUST_INTERFACE_HINTED_VALIDATOR = sBooleanValidator;
/**
* Enable statusbar double tap gesture on to put device to sleep
* 0 = 0ff, 1 = on
@@ -1550,7 +1569,7 @@ public final class LineageSettings {
/**
* Show search bar in recents
* 0 = 0ff, 1 = on
* 0 = Off, 1 = on
*/
public static final String RECENTS_SHOW_SEARCH_BAR = "recents_show_search_bar";
@@ -2232,6 +2251,7 @@ public final class LineageSettings {
VALIDATORS.put(DISPLAY_COLOR_ENHANCE, DISPLAY_COLOR_ENHANCE_VALIDATOR);
VALIDATORS.put(DISPLAY_COLOR_ADJUSTMENT, DISPLAY_COLOR_ADJUSTMENT_VALIDATOR);
VALIDATORS.put(LIVE_DISPLAY_HINTED, LIVE_DISPLAY_HINTED_VALIDATOR);
VALIDATORS.put(TRUST_INTERFACE_HINTED, TRUST_INTERFACE_HINTED_VALIDATOR);
VALIDATORS.put(DOUBLE_TAP_SLEEP_GESTURE, DOUBLE_TAP_SLEEP_GESTURE_VALIDATOR);
VALIDATORS.put(STATUS_BAR_SHOW_WEATHER, STATUS_BAR_SHOW_WEATHER_VALIDATOR);
VALIDATORS.put(RECENTS_SHOW_SEARCH_BAR, RECENTS_SHOW_SEARCH_BAR_VALIDATOR);
@@ -3019,6 +3039,16 @@ public final class LineageSettings {
/** @hide */
public static final Validator NETWORK_TRAFFIC_SHOW_UNITS_VALIDATOR = sBooleanValidator;
/**
* Enable displaying the Trust service's notifications
* 0 = 0ff, 1 = on
*/
public static final String TRUST_NOTIFICATIONS = "trust_notifications";
/** @hide */
public static final Validator TRUST_NOTIFICATIONS_VALIDATOR =
sBooleanValidator;
// endregion
/**
@@ -3128,6 +3158,7 @@ public final class LineageSettings {
VALIDATORS.put(NETWORK_TRAFFIC_AUTOHIDE, NETWORK_TRAFFIC_AUTOHIDE_VALIDATOR);
VALIDATORS.put(NETWORK_TRAFFIC_UNITS, NETWORK_TRAFFIC_UNITS_VALIDATOR);
VALIDATORS.put(NETWORK_TRAFFIC_SHOW_UNITS, NETWORK_TRAFFIC_SHOW_UNITS_VALIDATOR);
VALIDATORS.put(TRUST_NOTIFICATIONS, TRUST_NOTIFICATIONS_VALIDATOR);
}
/**

26
sdk/src/java/lineageos/trust/ITrustInterface.aidl Normal file
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@@ -0,0 +1,26 @@
/*
**
** Copyright (C) 2018 The LineageOS 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 lineageos.trust;
/** {@hide} */
interface ITrustInterface {
boolean postNotificationForFeature(int feature);
boolean removeNotificationForFeature(int feature);
int getLevelForFeature(int feature);
}

217
sdk/src/java/lineageos/trust/TrustInterface.java Normal file
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@@ -0,0 +1,217 @@
/**
* Copyright (c) 2015, The LineageOS 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 lineageos.trust;
import android.content.Context;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import lineageos.app.LineageContextConstants;
public class TrustInterface {
/**
* Allows an application to use the Trust interface to display trusted
* security messages to the user.
* This is a system-only permission, user-installed apps cannot use it
*/
public static final String TRUST_INTERFACE_PERMISSION = "lineageos.permission.TRUST_INTERFACE";
/**
* Unable to determine status, an error occured
*
* @see #getLevelForFeature
*/
public static final int ERROR_UNDEFINED = -1;
/**
* Trust feature status: good. The feature is in a configuration
* that will help protect the user's data
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_LEVEL_GOOD = 0;
/**
* Trust feature status: poor. The feature is in a configuration
* that might be used to harm the user's data
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_LEVEL_POOR = 1;
/**
* Trust feature status: bad. The feature is in a configuration
* that is dangerous for the user's data
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_LEVEL_BAD = 2;
/**
* Trust feature indicator: SELinux status
*
* Possible status:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: enforcing
* * {@link #TRUST_FEATURE_LEVEL_BAD}: permissive / disabled
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_SELINUX = 0;
/**
* Trust feature indicator: Root access
*
* Possible status:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: disabled
* * {@link #TRUST_FEATURE_LEVEL_POOR}: ADB only
* * {@link #TRUST_FEATURE_LEVEL_BAD}: apps and ADB
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_ROOT = 1;
/**
* Trust feature indicator: Platform Security patches
*
* Possible status:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: less than 3 months old
* * {@link #TRUST_FEATURE_LEVEL_POOR}: less than 9 months old
* * {@link #TRUST_FEATURE_LEVEL_BAD}: older than 9 months
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_PLATFORM_SECURITY_PATCH = 2;
/**
* Trust feature indicator: Vendor Security patches
*
* Possible status:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: less than 3 months old
* * {@link #TRUST_FEATURE_LEVEL_POOR}: less than 9 months old
* * {@link #TRUST_FEATURE_LEVEL_BAD}: older than 9 months
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_VENDOR_SECURITY_PATCH = 3;
/**
* Trust feature indicator: Encryption
*
* Some older devices have a significant performance loss when running
* encrypted, so the status will be different when Trust is executed on
* these devices.
*
* Possible status for old device:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: enabled
* * {@link #TRUST_FEATURE_LEVEL_POOR}: disabled
*
* Possible status for recent device:
* * {@link #TRUST_FEATURE_LEVEL_GOOD}: enabled
* * {@link #TRUST_FEATURE_LEVEL_BAD}: disabled
*
* @see #getLevelForFeature
*/
public static final int TRUST_FEATURE_ENCRYPTION = 4;
private static final String TAG = "TrustInterface";
private static ITrustInterface sService;
private static TrustInterface sInstance;
private Context mContext;
private TrustInterface(Context context) {
Context appContext = context.getApplicationContext();
mContext = appContext == null ? context : appContext;
sService = getService();
if (context.getPackageManager().hasSystemFeature(
LineageContextConstants.Features.TRUST) && sService == null) {
throw new RuntimeException("Unable to get TrustInterfaceService. The service" +
" either crashed, was not started, or the interface has been called to early" +
" in SystemServer init");
}
}
/**
* Get or create an instance of the {@link lineageos.trust.TrustInterface}
*
* @param context Used to get the service
* @return {@link TrustInterface}
*/
public static TrustInterface getInstance(Context context) {
if (sInstance == null) {
sInstance = new TrustInterface(context);
}
return sInstance;
}
/** @hide **/
public static ITrustInterface getService() {
if (sService != null) {
return sService;
}
IBinder b = ServiceManager.getService(LineageContextConstants.LINEAGE_TRUST_INTERFACE);
sService = ITrustInterface.Stub.asInterface(b);
if (b == null) {
Log.e(TAG, "null service. SAD!");
return null;
}
sService = ITrustInterface.Stub.asInterface(b);
return sService;
}
public boolean postNotificationForFeature(int feature) {
if (sService == null) {
return false;
}
try {
return sService.postNotificationForFeature(feature);
} catch (RemoteException e) {
Log.e(TAG, e.getLocalizedMessage(), e);
}
return false;
}
public boolean removeNotificationForFeature(int feature) {
if (sService == null) {
return false;
}
try {
return sService.removeNotificationForFeature(feature);
} catch (RemoteException e) {
Log.e(TAG, e.getLocalizedMessage(), e);
}
return false;
}
public int getLevelForFeature(int feature) {
if (sService == null) {
return ERROR_UNDEFINED;
}
try {
return sService.getLevelForFeature(feature);
} catch (RemoteException e) {
Log.e(TAG, e.getLocalizedMessage(), e);
}
return ERROR_UNDEFINED;
}
}