gecko/mobile/android/base/RestrictedProfiles.java

132 lines
4.0 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.content.Context;
import android.os.Bundle;
import android.os.UserManager;
import android.util.Log;
import java.lang.StringBuilder;
import java.util.HashSet;
import java.util.Set;
import org.json.JSONException;
import org.json.JSONObject;
import org.mozilla.gecko.AppConstants.Versions;
import org.mozilla.gecko.mozglue.generatorannotations.WrapElementForJNI;
public class RestrictedProfiles {
private static final String LOGTAG = "GeckoRestrictedProfiles";
// These constants should be in sync with the ones from toolkit/components/parentalcontrols/nsIParentalControlServices.java
public static enum Restriction {
DISALLOW_DOWNLOADS(1, "no_download_files"),
DISALLOW_INSTALL_EXTENSIONS(2, "no_install_extensions"),
DISALLOW_INSTALL_APPS(3, UserManager.DISALLOW_INSTALL_APPS),
DISALLOW_BROWSE_FILES(4, "no_browse_files"),
DISALLOW_SHARE(5, "no_share"),
DISALLOW_BOOKMARK(6, "no_bookmark"),
DISALLOW_ADD_CONTACTS(7, "no_add_contacts"),
DISALLOW_SET_IMAGE(8, "no_set_image");
public final int id;
public final String name;
private Restriction(final int id, final String name) {
this.id = id;
this.name = name;
}
}
private static String geckoActionToRestrction(int action) {
for (Restriction rest : Restriction.values()) {
if (rest.id == action) {
return rest.name;
}
}
throw new IllegalArgumentException("Unknown action " + action);
}
private static Bundle getRestrctions() {
final UserManager mgr = (UserManager) GeckoAppShell.getContext().getSystemService(Context.USER_SERVICE);
return mgr.getUserRestrictions();
}
@WrapElementForJNI
public static boolean isUserRestricted() {
// Guest mode is supported in all Android versions
if (GeckoAppShell.getGeckoInterface().getProfile().inGuestMode()) {
return true;
}
if (Versions.preJBMR2) {
return false;
}
return !getRestrctions().isEmpty();
}
public static boolean isAllowed(Restriction action) {
return isAllowed(action.id, null);
}
@WrapElementForJNI
public static boolean isAllowed(int action, String url) {
// ALl actions are blocked in Guest mode
if (GeckoAppShell.getGeckoInterface().getProfile().inGuestMode()) {
return false;
}
if (Versions.preJBMR2) {
return true;
}
try {
final String restriction = geckoActionToRestrction(action);
return !getRestrctions().getBoolean(restriction, false);
} catch(IllegalArgumentException ex) {
Log.i(LOGTAG, "Invalid action", ex);
}
return true;
}
@WrapElementForJNI
public static String getUserRestrictions() {
// Guest mode is supported in all Android versions
if (GeckoAppShell.getGeckoInterface().getProfile().inGuestMode()) {
StringBuilder builder = new StringBuilder("{ ");
for (Restriction restriction : Restriction.values()) {
builder.append("\"" + restriction.name + "\": true, ");
}
builder.append(" }");
return builder.toString();
}
if (Versions.preJBMR2) {
return "{}";
}
final JSONObject json = new JSONObject();
final Bundle restrictions = getRestrctions();
final Set<String> keys = restrictions.keySet();
for (String key : keys) {
try {
json.put(key, restrictions.get(key));
} catch (JSONException e) {
}
}
return json.toString();
}
}