Update version, use new Notification Builder with channel ID, fix min…

…or code issues (C-style array declarations, use StringBuilder instead of string concatenation)
chrisk44 · Nov 10, 2019 · dc28351 · dc28351
1 parent 6bfe77a
commit dc28351
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Showing 9 changed files with 56 additions and 45 deletions.
diff --git a/.idea/caches/gradle_models.ser b/.idea/caches/gradle_models.ser
diff --git a/app/.gitignore b/app/.gitignore
@@ -1 +1,2 @@
 /build
+/.ccx
diff --git a/app/build.gradle b/app/build.gradle
@@ -5,8 +5,8 @@ android {
         applicationId "com.hijacker"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 33
-        versionName "v1.5-beta.9"
+        versionCode 34
+        versionName "v1.5-beta.10"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {

diff --git a/app/src/main/java/com/hijacker/MainActivity.java b/app/src/main/java/com/hijacker/MainActivity.java
@@ -22,6 +22,7 @@
 import android.app.Activity;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
+import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.ClipData;
@@ -113,7 +114,7 @@ public class MainActivity extends AppCompatActivity{
     static int aireplay_running = 0, currentFragment = FRAGMENT_AIRODUMP;         //Set currentFragment in onResume of each Fragment
     //Filters
     static boolean show_ap = true, show_st = true, show_na_st = true, wpa = true, wep = true, opn = true;
-    static boolean show_ch[] = {true, false, false, false, false, false, false, false, false, false, false, false, false, false, false};
+    static boolean[] show_ch = {true, false, false, false, false, false, false, false, false, false, false, false, false, false, false};
     static int pwr_filter = 120;
     static String manuf_filter = "";
     //Airodump list sort 
@@ -128,8 +129,8 @@ public class MainActivity extends AppCompatActivity{
     static DrawerLayout mDrawerLayout;
     static NavigationView navigationView;
     static SparseArray<String> navTitlesMap = new SparseArray<>();             //SparseArray to map fragment IDs to their respective navigation titles
-    static Drawable overflow[] = {null, null, null, null, null, null, null, null};      //Drawables to use for overflow button icon
-    static ImageView status[] = {null, null, null, null, null};                         //Icons in TestDialog, set in TestDialog class
+    static Drawable[] overflow = {null, null, null, null, null, null, null, null};      //Drawables to use for overflow button icon
+    static ImageView[] status = {null, null, null, null, null};                         //Icons in TestDialog, set in TestDialog class
     static int progress_int;
     static long last_action;                        //Timestamp for the last action. Used in watchdog to avoid false positives
     static Thread wpa_thread;
@@ -175,16 +176,16 @@ protected void onCreate(Bundle savedInstanceState){
             @Override
             public void uncaughtException(Thread thread, Throwable throwable){
                 throwable.printStackTrace();
-                String stackTrace = "";
-                stackTrace += throwable.getMessage() + '\n';
+                StringBuilder stackTrace = new StringBuilder();
+                stackTrace.append(throwable.getMessage()).append('\n');
                 for(int i=0;i<throwable.getStackTrace().length;i++){
-                    stackTrace += throwable.getStackTrace()[i].toString() + '\n';
+                    stackTrace.append(throwable.getStackTrace()[i].toString()).append('\n');
                 }
 
                 Intent intent = new Intent();
                 intent.setAction("com.hijacker.SendLogActivity");
                 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-                intent.putExtra("exception", stackTrace);
+                intent.putExtra("exception", stackTrace.toString());
                 startActivity(intent);
 
                 finish();
@@ -381,7 +382,7 @@ protected Boolean doInBackground(Void... params){
                 //cap directory was never changed so there may be files in /sdcard/cap/
                 File old_dir = new File("/sdcard/cap");
                 if(old_dir.exists() && old_dir.isDirectory()){
-                    File files[] = old_dir.listFiles();
+                    File[] files = old_dir.listFiles();
                     if(files!=null){
                         Toast.makeText(MainActivity.this, "Moving cap files from " + old_dir.getAbsolutePath() + " to " + cap_path, Toast.LENGTH_LONG).show();
                         for(File f : old_dir.listFiles()){
@@ -395,15 +396,23 @@ protected Boolean doInBackground(Void... params){
 
             //Initialize notifications
             publishProgress(getString(R.string.init_notifications));
-            //Create intents
+                //Create intents
             Intent cancel_intent = new Intent(MainActivity.this, DismissReceiver.class);
             Intent stop_intent = new Intent(MainActivity.this, StopReceiver.class);
             Intent notificationIntent = new Intent(MainActivity.this, MainActivity.class);
             notificationIntent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
             PendingIntent click_intent = PendingIntent.getActivity(MainActivity.this, 0, notificationIntent, 0);
 
-            //Create 'running' notification
-            notif = new NotificationCompat.Builder(MainActivity.this);
+                // Get a channel ID
+            String channelID;
+            if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
+                channelID = NotificationChannel.DEFAULT_CHANNEL_ID;
+            }else{
+                channelID = getString(R.string.DEFAULT_CHANNEL_ID);
+            }
+
+                //Create 'running' notification
+            notif = new NotificationCompat.Builder(MainActivity.this, channelID);
             notif.setContentTitle(getString(R.string.notification_title));
             notif.setContentText(" ");
             notif.setSmallIcon(R.drawable.ic_notification);
@@ -414,17 +423,17 @@ protected Boolean doInBackground(Void... params){
             notif.addAction(R.drawable.stop_drawable, getString(R.string.stop_attacks), PendingIntent.getBroadcast(MainActivity.this.getApplicationContext(), 0, stop_intent, 0));
             notif.setContentIntent(click_intent);
 
-            //Create 'error' notification (used by watchdog)
-            error_notif = new NotificationCompat.Builder(MainActivity.this);
+                //Create 'error' notification (used by watchdog)
+            error_notif = new NotificationCompat.Builder(MainActivity.this, channelID);
             error_notif.setSmallIcon(R.drawable.ic_notification);
             if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.M){
                 error_notif.setColor(getColor(android.R.color.holo_red_dark));
             }
             error_notif.setContentIntent(click_intent);
             error_notif.setVibrate(new long[]{500, 500});
 
-            //Create 'handshake captured' notification (used by wpa_thread)
-            handshake_notif = new NotificationCompat.Builder(MainActivity.this);
+                //Create 'handshake captured' notification (used by wpa_thread)
+            handshake_notif = new NotificationCompat.Builder(MainActivity.this, channelID);
             handshake_notif.setContentTitle(getString(R.string.handshake_captured));
             if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.M){
                 handshake_notif.setColor(getColor(android.R.color.holo_green_dark));
@@ -1229,7 +1238,6 @@ public boolean onOptionsItemSelected(MenuItem item){
                 return super.onOptionsItemSelected(item);
         }
     }
-    // See https://g.co/AppIndexing/AndroidStudio for more information.
     @Override
     protected void onResume(){
         super.onResume();
@@ -1299,7 +1307,7 @@ public boolean onCreateOptionsMenu(Menu menu){
         return true;
     }
     @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         if(requestCode==0){
             //The one and only request this app sends
             if (grantResults.length > 0 && grantResults[2]==PackageManager.PERMISSION_GRANTED) {
@@ -1595,9 +1603,9 @@ static String getFixed(String text, int size){
         if(text.length() > size){
             text = text.substring(0, size);
         }
-        String str = "";
+        StringBuilder str = new StringBuilder();
         for(int i=0;i < size-text.length();i++){
-            str += " ";
+            str.append(" ");
         }
         return str + text;
     }
@@ -1608,7 +1616,7 @@ static int checkChroot(){
         shell.run("echo $PATH; echo ENDOFPATH");
         String path = getLastLine(shell.getShell_out(), "ENDOFPATH");
         shell.done();
-        String paths[] = path.split(":");
+        String[] paths = path.split(":");
         for(String temp : paths){
             if(new RootFile(temp + "/bootkali_init").exists()){
                 bin = true;

diff --git a/app/src/main/java/com/hijacker/ReaverFragment.java b/app/src/main/java/com/hijacker/ReaverFragment.java
@@ -329,13 +329,13 @@ static String get_chroot_env(final Activity activity){
                 "SHLVL=1",
                 "YOU_KNOW_WHAT=THIS_IS_KALI_LINUX_NETHUNER_FROM_JAVA_BINKY"
         };
-        String ENV_OUT = "";
+        StringBuilder ENV_OUT = new StringBuilder();
         for (String aENV : ENV) {
-            ENV_OUT = ENV_OUT + "export " + aENV + " && ";
+            ENV_OUT.append("export ").append(aENV).append(" && ");
         }
         if(monstart){
-            ENV_OUT += "source monstart-nh";
-            ENV_OUT += cont_on_fail ? "; " : " && ";
+            ENV_OUT.append("source monstart-nh");
+            ENV_OUT.append(cont_on_fail ? "; " : " && ");
         }
         if(!custom_chroot_cmd.equals("")){
             if(custom_chroot_cmd.contains("'") && activity!=null){
@@ -346,11 +346,11 @@ public void run(){
                     }
                 });
             }else{
-                ENV_OUT += custom_chroot_cmd;
-                ENV_OUT += cont_on_fail ? "; " : " && ";
+                ENV_OUT.append(custom_chroot_cmd);
+                ENV_OUT.append(cont_on_fail ? "; " : " && ");
             }
         }
-        return ENV_OUT;
+        return ENV_OUT.toString();
     }
     class ReaverTask extends AsyncTask<Void, String, Boolean>{
         String pinDelay, lockedDelay;

diff --git a/app/src/main/java/com/hijacker/RootFile.java b/app/src/main/java/com/hijacker/RootFile.java
@@ -82,7 +82,7 @@ class RootFile{
 
         exists = true;
 
-        String temp[] = buffer.split(" ");
+        String[] temp = buffer.split(" ");
         //0: type & permissions, 4: size, 5,6,7: last edited date, rest is name
         if(temp[0].length()!=10){
             throw new IllegalFormatFlagsException(temp[0] + " is not how it should be\nbuffer: " + buffer + "\nbuffer before: " + before);
@@ -189,17 +189,17 @@ List<RootFile> listFiles(){
                     buffer = buffer.replace("  ", " ");
                 }
                 //Separate by ' ' to get the name
-                String temp[] = buffer.split(" ");
+                String[] temp = buffer.split(" ");
                 if(temp.length>8){
                     //Reconstruct the full_name (it may contain spaces, so it's many arguments)
-                    String full_name = "";
+                    StringBuilder full_name = new StringBuilder();
                     for(int i = 8; i<temp.length; i++){
-                        full_name += temp[i] + ' ';
+                        full_name.append(temp[i]).append(' ');
                     }
                     if(full_name.charAt(full_name.length() - 1)==' '){
-                        full_name = full_name.substring(0, full_name.length() - 1);
+                        full_name = new StringBuilder(full_name.substring(0, full_name.length() - 1));
                     }
-                    if(!full_name.contains(" -> ")){
+                    if(!full_name.toString().contains(" -> ")){
                         result.add(new RootFile(absolutePath + (absolutePath.length()==1 ? "" : '/') + full_name));
                     }
                 }

diff --git a/app/src/main/java/com/hijacker/SendLogActivity.java b/app/src/main/java/com/hijacker/SendLogActivity.java
@@ -95,7 +95,7 @@ protected void onCreate(Bundle savedInstanceState){
         new SetupTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
     @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults){
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults){
         boolean writeGranted = grantResults.length>0 && grantResults[0]==PackageManager.PERMISSION_GRANTED;
         if(shell==null){
             progressBar.setVisibility(View.GONE);
@@ -133,7 +133,7 @@ protected Boolean doInBackground(Void... params){
         }
     }
     private class ReportTask extends AsyncTask<Void, String, Boolean>{
-        String bugReport = "";
+        StringBuilder bugReport = new StringBuilder();
         @Override
         protected Boolean doInBackground(Void... params){
             report = new File(Environment.getExternalStorageDirectory() + "/report.txt");
@@ -143,7 +143,8 @@ protected Boolean doInBackground(Void... params){
                     BufferedReader br = new BufferedReader(new FileReader(report));
                     String buffer;
                     while((buffer = br.readLine())!=null){
-                        bugReport += buffer + '\n';
+                        bugReport.append(buffer);
+                        bugReport.append('\n');
                     }
                 }catch(IOException ignored){
                     return false;
@@ -183,19 +184,19 @@ public void onRestart(View v){
     }
     public void stopAll(){
         ArrayList<Integer> pids = new ArrayList<>();
-        String processes[] = {
+        String[] processes = {
                 "airodump-ng",
                 "aireplay-ng",
                 "aircrack-ng",
                 "mdk3",
                 "reaver",
                 "reaver-wash"
         };
-        String cmd = busybox + " pidof";
+        StringBuilder cmd = new StringBuilder(busybox + " pidof");
         for(String process_name : processes){
-            cmd += ' ' + process_name;
+            cmd.append(' ').append(process_name);
         }
-        cmd += "; echo ENDOFPIDOF\n";
+        cmd.append("; echo ENDOFPIDOF\n");
         shell_in.print(cmd);
         shell_in.flush();
         String buffer = null;

diff --git a/app/src/main/java/com/hijacker/Tile.java b/app/src/main/java/com/hijacker/Tile.java
@@ -130,7 +130,7 @@ static int findIndex(List<Tile> list, Tile tile, Comparator<Tile> comp){
             when we gave up on searching.
         */
         if(list.size()==0) return 0;
-        Tile array[] = list.toArray(new Tile[list.size()]);
+        Tile[] array = list.toArray(new Tile[0]);
         int L = 0, R = list.size()-1, M = 0;
         while(L<=R){
             M = (L + R)/2;

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -1,5 +1,6 @@
 <resources>
     <string name="app_name" translatable="false">Hijacker</string>
+    <string name="DEFAULT_CHANNEL_ID" translatable="false">Hijacker_Notification_Channel</string>
 
     <!-- Toolbar -->
     <string name="stop_aireplay">Stop Aireplay</string>
@@ -297,8 +298,8 @@
     <string name="done">Done</string>
 
     <!-- UpdateConfirmDialog -->
-    <string name="update_title">New update available</string>
-    <string name="update_text">There is a new update available.</string>
+    <string name="update_title">Update available</string>
+    <string name="update_text">There is an update available.</string>
     <string name="latest_version">Latest Version</string>
     <string name="current_version">Current Version</string>