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Code Issues Projects Releases Packages Wiki Activity Actions

Add database downloading

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This commit is contained in:
Tad 2017-12-14 00:45:58 -05:00
parent cb7cca49c6
commit a8df8fe3c1
7 changed files with 134 additions and 22 deletions
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2
app/src/main/AndroidManifest.xml
View file

@ -2,6 +2,8 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="us.spotco.veritas">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"

102
app/src/main/java/us/spotco/veritas/Database.java
View file

@ -1,4 +1,106 @@
package us.spotco.veritas;
import android.content.Context;
import android.os.AsyncTask;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.TextView;
import java.io.File;
import java.io.FileOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
public class Database {
private static Context context = null;
private static TextView log = null;
private static MenuItem databaseUpdateCheckOption = null;
private static File databasePath = null;
private static String databaseName = "clamav-main.hsb";
private static final String databaseUpdateURL = "https://spotco.us/clamav-main.hsb";
public Database(Context context, TextView log, MenuItem databaseUpdateCheckOption) {
this.context = context;
this.log = log;
this.databaseUpdateCheckOption = databaseUpdateCheckOption;
databasePath = new File(context.getFilesDir() + databaseName);
}
public static boolean doesDatabaseExist() {
return databasePath.exists();
}
public static boolean shouldUpdateDatabase() {
return databaseUpdateCheckOption.isChecked();
}
public static void updateDatabase() {
new Downloader().execute(databaseUpdateURL, databasePath.toString());
}
public static void loadDatabase() {
//Database format: md5, size, name, unknown
}
public static String checkInDatabase(String hash) {
return null;
}
public static class Downloader extends AsyncTask<String, String, String> {
@Override
protected String doInBackground(String... strings) {
String url = strings[0];
File out = new File(strings[1]);
try {
HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
connection.setConnectTimeout(45000);
connection.setReadTimeout(45000);
connection.addRequestProperty("User-Agent", "Veritas Database Updater");
if (out.exists()) {
connection.setIfModifiedSince(out.lastModified());
}
connection.connect();
int res = connection.getResponseCode();
if (res != 304) {
if(res == 200) {
if (out.exists()) {
out.delete();
}
FileOutputStream fileOutputStream = new FileOutputStream(out);
final byte data[] = new byte[1024];
int count;
while ((count = connection.getInputStream().read(data, 0, 1024)) != -1) {
fileOutputStream.write(data, 0, count);
}
fileOutputStream.close();
publishProgress("Successfully downloaded " + url + "\n");
} else {
publishProgress("File not downloaded " + res + "\n");
}
} else {
publishProgress("File not changed " + url + "\n");
}
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
publishProgress("Failed to download file from " + url + "\n");
}
return null;
}
@Override
protected void onProgressUpdate(String... progress) {
log.append(progress[0] + "\n");
}
@Override
protected void onPostExecute(String result) {
}
}
}

6
app/src/main/java/us/spotco/veritas/MainActivity.java
View file

@ -4,6 +4,7 @@ import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.method.ScrollingMovementMethod;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
@ -24,10 +25,15 @@ public class MainActivity extends AppCompatActivity {
setSupportActionBar(toolbar);
TextView logView = findViewById(R.id.txtLogOutput);
logView.setMovementMethod(new ScrollingMovementMethod());
logView.append("Copyright 2017 Spot Communications, Inc.\n");
logView.append("License: GPLv3\n");
logView.append("Powered by ClamAV signatures, License: GPLv3\n");
logView.append("\nDisclaimer: This is an extremely basic signature scanner\n\n");
MenuItem databaseUpdateCheckOption = findViewById(R.id.mnuUpdateDatabase);
final Database database = new Database(this, logView, databaseUpdateCheckOption);
final MalwareScanner scanner = new MalwareScanner(this, logView);
FloatingActionButton fab = findViewById(R.id.fab);

7
app/src/main/java/us/spotco/veritas/MalwareScanner.java
View file

@ -24,7 +24,12 @@ public class MalwareScanner {
}
public void startScanner(boolean scanSystem, boolean scanApps, boolean scanInternal, boolean scanExternal) {
malwareScannerTask = new MalwareScannerTask().execute(scanSystem, scanApps, scanInternal, scanExternal);
if(Database.doesDatabaseExist()) {
malwareScannerTask = new MalwareScannerTask().execute(scanSystem, scanApps, scanInternal, scanExternal);
} else {
log.append("No database found... downloading!\n");
Database.updateDatabase();
}
}
public void stopScanner() {

33
app/src/main/res/layout/content_main.xml
View file

@ -1,24 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/txtLogOutput"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="us.spotco.veritas.MainActivity"
tools:showIn="@layout/activity_main">
<TextView
android:id="@+id/txtLogOutput"
android:layout_width="350dp"
android:layout_height="450dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text=""
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
android:text=""
android:scrollbars="vertical"
android:maxLines="5000"
android:gravity="bottom" />
</LinearLayout>

5
app/src/main/res/menu/menu_main.xml
View file

@ -3,6 +3,11 @@
xmlns:tools="http://schemas.android.com/tools"
tools:context="us.spotco.veritas.MainActivity">
<item
android:id="@+id/mnuUpdateDatabase"
android:title="@string/lblUpdateDatabase"
android:checkable="true"
android:checked="true" />
<item
android:id="@+id/mnuScanSystem"
android:title="@string/lblScanSystem"

1
app/src/main/res/values/strings.xml
View file

@ -1,5 +1,6 @@
<resources>
<string name="app_name">Veritas</string>
<string name="lblUpdateDatabase">Update database</string>
<string name="lblScanSystem">Scan /system</string>
<string name="lblScanApps">Scan App APKs</string>
<string name="lblScanInternal">Scan Internal Storage</string>