X-Git-Url: https://git.mdrn.pl/mobilnebezpieczenstwo.git/blobdiff_plain/4b08fd3d054a0b4872d60adc7627bfdef069c39b..be45943134f44b96728f516e91a66149e51443c0:/app/src/main/java/com/samsung/srpol/loader/AppListLoader.java
diff --git a/app/src/main/java/com/samsung/srpol/loader/AppListLoader.java b/app/src/main/java/com/samsung/srpol/loader/AppListLoader.java
new file mode 100644
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--- /dev/null
+++ b/app/src/main/java/com/samsung/srpol/loader/AppListLoader.java
@@ -0,0 +1,627 @@
+/*
+ Copyright (C) 2014 Samsung Electronics Polska Sp. z o.o.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU AFFERO General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ You may obtain a copy of the License at
+
+ http://www.gnu.org/licenses/agpl-3.0.txt
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+*/
+
+package com.samsung.srpol.loader;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.Signature;
+import android.content.res.XmlResourceParser;
+import android.support.v4.content.AsyncTaskLoader;
+
+import com.samsung.srpol.R;
+import com.samsung.srpol.data.Category;
+import com.samsung.srpol.data.Subcategory;
+
+/**
+ * A custom Loader that loads all of the installed applications.
+ */
+public class AppListLoader extends AsyncTaskLoader> {
+ private static final String SYSTEM_UI = "com.android.systemui";
+ private static final String PHONE = "com.android.phone";
+
+ public static final String PREF_INCLUDE_SYSTEM_APPS = "include_system_apps";
+
+ private final PackageManager mPm;
+
+ private static List mAppDetailsList = null;
+ private static List mCategories;
+ private static ArrayList mSubcategories;
+ private static HashMap mAllPermissionsHash;
+
+ private PackageIntentReceiver mPackageObserver;
+ private boolean mWasDataReloaded = true;
+ private static OnAppRemoveListener mChangeListener = null;
+
+ public AppListLoader(Context context) {
+ super(context);
+
+ if (mCategories == null || mSubcategories == null
+ || mAllPermissionsHash == null)
+ initCategories(context);
+
+ mPm = getContext().getPackageManager();
+ }
+
+ private void initCategories(Context context) {
+ mCategories = new ArrayList();
+ mSubcategories = new ArrayList();
+ Subcategory.resetGenerator();
+
+ // Reading "data send" subcategory as it is common
+ try {
+ XmlResourceParser parser = context.getResources().getXml(
+ R.xml.data_send_subcategory);
+ int eventType = 0;
+ while (eventType != XmlResourceParser.END_DOCUMENT
+ && eventType != XmlResourceParser.START_TAG)
+ eventType = parser.next();
+ if (eventType != XmlResourceParser.END_DOCUMENT) {
+ Subcategory subcategory = readSubCategory(parser);
+ mSubcategories.add(subcategory);
+ }
+ } catch (XmlPullParserException ex) {
+ ex.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ // Reading all categories and subcategories from xml
+ try {
+ XmlResourceParser parser = context.getResources().getXml(
+ R.xml.categories);
+ int eventType = 0;
+ while (eventType != XmlResourceParser.END_DOCUMENT
+ && eventType != XmlResourceParser.START_TAG)
+ eventType = parser.next();
+ if (eventType != XmlResourceParser.END_DOCUMENT) {
+ parser.require(XmlResourceParser.START_TAG, null, "container");
+ while (parser.next() != XmlResourceParser.END_TAG) {
+ if (parser.getEventType() != XmlResourceParser.START_TAG)
+ continue;
+ if (!parser.getName().equals("category"))
+ continue;
+ Category cat = readCategory(parser);
+ mCategories.add(cat);
+ mSubcategories.addAll(cat.getSubCategories());
+ }
+ }
+ } catch (XmlPullParserException ex) {
+ ex.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ mAllPermissionsHash = new HashMap();
+ for (Subcategory subcat : mSubcategories) {
+ for (String perm : subcat.getPermissions()) {
+ Integer value = mAllPermissionsHash.get(perm);
+ if (value == null) {
+ mAllPermissionsHash.put(perm, Integer.valueOf(subcat.getId()));
+ } else {
+ value |= subcat.getId();
+ mAllPermissionsHash.put(perm, value);
+ }
+ }
+ }
+ }
+
+ private Category readCategory(XmlResourceParser parser)
+ throws XmlPullParserException, IOException {
+ parser.require(XmlResourceParser.START_TAG, null, "category");
+ String title = null, header = null, description = null, shortDescription = null, link = null;
+ int icon = 0;
+ boolean dataSend = false;
+ ArrayList subCategories = new ArrayList();
+
+ while (parser.next() != XmlResourceParser.END_TAG) {
+ if (parser.getEventType() != XmlResourceParser.START_TAG)
+ continue;
+ String name = parser.getName();
+ if (name.equals("title")) {
+ title = readTextElement(parser, name);
+ } else if (name.equals("header")) {
+ header = readTextElement(parser, name);
+ } else if (name.equals("short_description")) {
+ shortDescription = readTextElement(parser, name);
+ } else if (name.equals("description")) {
+ description = readTextElement(parser, name);
+ } else if (name.equals("icon")) {
+ icon = getContext().getResources().getIdentifier(
+ readTextElement(parser, name), "drawable",
+ getContext().getPackageName());
+ } else if (name.equals("link")) {
+ link = readTextElement(parser, name);
+ } else if (name.equals("dataSend")) {
+ dataSend = Boolean.parseBoolean(readTextElement(parser, name));
+ } else if (name.equals("subcategories")) {
+ while (parser.next() != XmlResourceParser.END_TAG) {
+ subCategories.add(readSubCategory(parser));
+ }
+ } else
+ skip(parser);
+ }
+ return new Category(getContext(), title, header, shortDescription,
+ description, icon, link, dataSend, subCategories);
+ }
+
+ private Subcategory readSubCategory(XmlResourceParser parser)
+ throws XmlPullParserException, IOException {
+ parser.require(XmlResourceParser.START_TAG, null, "subcategory");
+ String header = null, description = null, icon = null;
+ ArrayList permissions = new ArrayList();
+
+ while (parser.next() != XmlResourceParser.END_TAG) {
+ if (parser.getEventType() != XmlResourceParser.START_TAG)
+ continue;
+ String name = parser.getName();
+ if (name.equals("header")) {
+ header = readTextElement(parser, name);
+ } else if (name.equals("description")) {
+ description = readTextElement(parser, name);
+ } else if (name.equals("icon")) {
+ icon = readTextElement(parser, name);
+ } else if (name.equals("permissions")) {
+ while (parser.next() != XmlResourceParser.END_TAG) {
+ permissions.add(readTextElement(parser, "item"));
+ }
+ } else
+ skip(parser);
+ }
+
+ return new Subcategory(getContext(), header, description, icon,
+ permissions);
+ }
+
+ private String readTextElement(XmlResourceParser parser, String element)
+ throws XmlPullParserException, IOException {
+ parser.require(XmlResourceParser.START_TAG, null, element);
+ String title = readText(parser);
+ parser.require(XmlResourceParser.END_TAG, null, element);
+ return title;
+ }
+
+ private String readText(XmlResourceParser parser)
+ throws XmlPullParserException, IOException {
+ String result = "";
+ if (parser.next() == XmlResourceParser.TEXT) {
+ result = parser.getText();
+ parser.nextTag();
+ }
+ return result;
+ }
+
+ private void skip(XmlResourceParser parser) throws XmlPullParserException,
+ IOException {
+ if (parser.getEventType() != XmlResourceParser.START_TAG) {
+ throw new IllegalStateException();
+ }
+ int depth = 1;
+ while (depth != 0) {
+ switch (parser.next()) {
+ case XmlResourceParser.END_TAG:
+ depth--;
+ break;
+ case XmlResourceParser.START_TAG:
+ depth++;
+ break;
+ }
+ }
+ }
+
+ /**
+ * Get Signature keys of given package
+ *
+ * @param packageName
+ * package name to retrieve signature keys
+ * @return Signature[] containing given package name signature keys
+ */
+ private Signature[] getSignature(String packageName) {
+
+ try {
+ PackageInfo packageInfo = getPm().getPackageInfo(packageName,
+ PackageManager.GET_SIGNATURES);
+ Signature[] sigs = packageInfo.signatures;
+ return sigs;
+ } catch (NameNotFoundException e) {
+ return null;
+ }
+
+ }
+
+ /**
+ * Get Signature keys for given PackageInfo
+ *
+ * @param packageInfo
+ * PackageInfo to retrieve signature keys
+ * @return Signature[] containing given PackageInfo signature keys
+ */
+ @SuppressWarnings("unused")
+ private Signature[] getSignature(PackageInfo packageInfo) {
+
+ Signature[] sigs = packageInfo.signatures;
+ return sigs;
+
+ }
+
+ /**
+ * Get Platform signature key. we check signature of SystemUI process or
+ * Phone process
+ *
+ * @return Signature platform sign key or null if not found
+ */
+ @SuppressWarnings("unused")
+ private Signature getPlatformSignature() {
+ Signature sig = getSignature(SYSTEM_UI)[0];
+ if (sig == null) {
+ sig = getSignature(PHONE)[0];
+ }
+ return sig;
+ }
+
+ /**
+ * Filter given ApplicationInfo list only to apps that are not platform
+ * signed
+ *
+ * @param appList
+ * List with a list of apps to filter
+ * @return List filtred app list
+ */
+ private List filterToNotPlatformKeyAppList(List packageList) {
+ if (packageList != null) {
+
+ List noPlatformKeyAppList = new ArrayList();
+ for (PackageInfo packageInfo : packageList) {
+ try {
+ packageInfo = mPm.getPackageInfo(packageInfo.packageName,
+ PackageManager.GET_ACTIVITIES
+ | PackageManager.GET_PERMISSIONS
+ | PackageManager.GET_SIGNATURES);
+ } catch (NameNotFoundException e) {
+ continue;
+ }
+ // Check signature match with SystemUI
+ if (((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 || (packageInfo.activities != null && packageInfo.activities.length > 0))
+ && getPm().checkSignatures(SYSTEM_UI,
+ packageInfo.packageName) != PackageManager.SIGNATURE_MATCH) {
+ noPlatformKeyAppList.add(packageInfo);
+ }
+ }
+ return noPlatformKeyAppList;
+ } else {
+ return null;
+ }
+ }
+
+ private PackageInfo getInstalledAppDetails(String packageName) {
+ PackageInfo info = null;
+ try {
+ info = getPm().getPackageInfo(
+ packageName,
+ PackageManager.GET_META_DATA
+ | PackageManager.GET_PERMISSIONS
+ | PackageManager.GET_SIGNATURES);
+ } catch (NameNotFoundException e) {
+ e.printStackTrace();
+ }
+ return info;
+ }
+
+ @Override
+ public List loadInBackground() {
+ List appList = mPm.getInstalledPackages(0);
+
+ appList = filterToNotPlatformKeyAppList(appList);
+
+ HashMap appDetailsHash = new HashMap(
+ appList.size());
+ if (mSubcategories.size() == 0) {
+ for (PackageInfo pInfo : appList) {
+ appDetailsHash.put(pInfo.packageName, new AppDetails(this,
+ pInfo));
+ }
+ } else {
+ for (PackageInfo packageInfo : appList) {
+ String[] requestedPermissions = packageInfo.requestedPermissions;
+ if (requestedPermissions != null) {
+ AppDetails appDetails = appDetailsHash.get(packageInfo.packageName);
+ for (String permissionName : requestedPermissions) {
+ Integer subcategories = mAllPermissionsHash.get(permissionName);
+ if (subcategories != null
+ && (appDetails == null || !appDetails.isInAllSubcategories(subcategories))
+ && getPm().checkPermission(permissionName,
+ packageInfo.packageName) == PackageManager.PERMISSION_GRANTED) {
+ if (appDetails == null) {
+ appDetails = new AppDetails(this, packageInfo);
+ appDetailsHash.put(packageInfo.packageName,
+ appDetails);
+ }
+ appDetails.addSubcategory(subcategories);
+ }
+ }
+ }
+ }
+ }
+ // Sort the list.
+ List list = new ArrayList(
+ appDetailsHash.values());
+ Collections.sort(list, AppDetails.SMART_COMPARATOR);
+
+ for (Category category : mCategories)
+ category.assignAppsToCategory(list);
+
+ mWasDataReloaded = true;
+ return list;
+ }
+
+ /**
+ * Called when there is new data to deliver to the client. The super class
+ * will take care of delivering it; the implementation here just adds a
+ * little more logic.
+ */
+ @Override
+ public void deliverResult(List apps) {
+ if (isReset()) {
+ apps = null;
+ }
+ mAppDetailsList = apps;
+
+ if (isStarted()) {
+ // If the Loader is currently started, we can immediately
+ // deliver its results.
+ super.deliverResult(apps);
+ }
+ }
+
+ /**
+ * Handles a request to start the Loader.
+ */
+ @Override
+ protected void onStartLoading() {
+ if (mAppDetailsList != null) {
+ // If we currently have a result available, deliver it
+ // immediately.
+ deliverResult(mAppDetailsList);
+ }
+
+ // Start watching for changes in the app data.
+ if (mPackageObserver == null) {
+ mPackageObserver = new PackageIntentReceiver(this);
+ }
+
+ if (takeContentChanged() || mAppDetailsList == null) {
+ // If the data has changed since the last time it was loaded
+ // or is not currently available, start a load.
+ forceLoad();
+ }
+ }
+
+ /**
+ * Handles a request to stop the Loader.
+ */
+ @Override
+ protected void onStopLoading() {
+ // Attempt to cancel the current load task if possible.
+ cancelLoad();
+ }
+
+ /**
+ * Handles a request to completely reset the Loader.
+ */
+ @Override
+ protected void onReset() {
+
+ // Ensure the loader is stopped
+ onStopLoading();
+
+ // Stop monitoring for changes.
+ if (mPackageObserver != null) {
+ getContext().unregisterReceiver(mPackageObserver);
+ mPackageObserver = null;
+ }
+ }
+
+ /**
+ * Gets AppDetails from mAppDetailsList for a given PackageName
+ *
+ * @param packageName
+ * PackageName for which to get AppDetails
+ * @return AppDetails for given PackageName
+ */
+ public static AppDetails getAppDetails(String packageName) {
+ if (packageName != null && mAppDetailsList != null) {
+ for (AppDetails appDetails : mAppDetailsList) {
+ if (packageName.equals(appDetails.getAppPackageName())) {
+ return appDetails;
+ }
+ }
+ }
+ return null;
+ }
+
+ public static void setOnChangeListener(OnAppRemoveListener listener) {
+ mChangeListener = listener;
+ }
+
+ /**
+ * @return the mAppDetailsList
+ */
+ public static List getAppDetailsList() {
+ return mAppDetailsList;
+ }
+
+ /**
+ * @return the mCategories
+ */
+ static public List getCategories() {
+ return mCategories;
+ }
+
+ public static List getSubcategoriesOfMask(int subcategoriesMask) {
+ ArrayList list = new ArrayList();
+ for (Subcategory subcategory : mSubcategories) {
+ if ((subcategoriesMask & subcategory.getId()) > 0) {
+ list.add(subcategory);
+ }
+ }
+ return list;
+ }
+
+ public PackageManager getPm() {
+ return mPm;
+ }
+
+ public interface OnAppRemoveListener {
+ public void onPackageRemoved(String packageName);
+ }
+
+ /**
+ * Helper class to look for interesting changes to the installed apps so
+ * that the loader can be updated.
+ */
+ public static class PackageIntentReceiver extends BroadcastReceiver {
+ private final AppListLoader mLoader;
+
+ public PackageIntentReceiver(AppListLoader loader) {
+ mLoader = loader;
+ IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
+ filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+ filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
+ filter.addDataScheme("package");
+ mLoader.getContext().registerReceiver(this, filter);
+ // Register for events related to sdcard installation.
+ IntentFilter sdFilter = new IntentFilter();
+ sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
+ sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
+ mLoader.getContext().registerReceiver(this, sdFilter);
+ }
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ if (intent.getAction().equals(
+ Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE)) {
+ mLoader.onPackagesAdded(intent
+ .getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST));
+ } else if (intent.getAction().equals(
+ Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) {
+ mLoader.onPackagesRemoved(intent
+ .getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST));
+ } else if (intent.getAction().equals(Intent.ACTION_PACKAGE_REMOVED))
+ mLoader.onPackageRemoved(intent.getData()
+ .getSchemeSpecificPart(), true);
+ else if (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED))
+ mLoader.onPackageAdded(
+ intent.getData().getSchemeSpecificPart(), true);
+ else if (intent.getAction().equals(Intent.ACTION_PACKAGE_CHANGED))
+ mLoader.onPackageChanged(intent.getData()
+ .getSchemeSpecificPart());
+ }
+ }
+
+ public void onPackageRemoved(String packageName, boolean deliverResult) {
+ if (mChangeListener != null)
+ mChangeListener.onPackageRemoved(packageName);
+ for (AppDetails details : mAppDetailsList) {
+ if (details.getAppPackageName().equals(packageName)) {
+ mAppDetailsList.remove(details);
+ for (Category category : mCategories)
+ category.removeAppFromList(details);
+ if (deliverResult)
+ deliverResult(new ArrayList(mAppDetailsList));
+ break;
+ }
+ }
+ }
+
+ public void onPackagesRemoved(String[] packageNames) {
+ for (String packageName : packageNames) {
+ onPackageRemoved(packageName, false);
+ }
+ deliverResult(new ArrayList(mAppDetailsList));
+ }
+
+ public void onPackageChanged(String packageName) {
+ for (AppDetails details : mAppDetailsList) {
+ if (details.getAppPackageName().equals(packageName)) {
+ PackageInfo packageInfo = getInstalledAppDetails(packageName);
+ if (packageInfo == null)
+ return;
+ details.setEnabled(packageInfo.applicationInfo.enabled);
+ deliverResult(new ArrayList(mAppDetailsList));
+ break;
+ }
+ }
+ }
+
+ public void onPackageAdded(String packageName, boolean deliverResult) {
+ PackageInfo packageInfo = getInstalledAppDetails(packageName);
+ if (packageInfo == null)
+ return;
+ AppDetails newPackage = new AppDetails(this, packageInfo);
+
+ String[] requestedPermissions = packageInfo.requestedPermissions;
+ if (requestedPermissions != null && mSubcategories != null) {
+ for (String permissionName : requestedPermissions) {
+ Integer subcategories = mAllPermissionsHash.get(permissionName);
+ if (subcategories != null
+ && getPm().checkPermission(permissionName,
+ packageInfo.packageName) == PackageManager.PERMISSION_GRANTED) {
+ newPackage.addSubcategory(subcategories);
+ }
+ }
+ }
+ mAppDetailsList.add(newPackage);
+
+ for (Category category : mCategories)
+ category.addApplicationToCategory(newPackage);
+ if (deliverResult)
+ deliverResult(new ArrayList(mAppDetailsList));
+ }
+
+ public void onPackagesAdded(String[] packageNames) {
+ for (String packageStr : packageNames) {
+ onPackageAdded(packageStr, false);
+ }
+
+ deliverResult(new ArrayList(mAppDetailsList));
+ }
+
+ public boolean wasDataReloaded() {
+ return mWasDataReloaded;
+ }
+
+ public void resetWasDataReloaded() {
+ mWasDataReloaded = false;
+ }
+}
\ No newline at end of file