remove (shapeshifter) Dispatcher and Binary-Installer class, they're deprected and unused

4 files changed, 5 insertions, 424 deletions

diff --git a/app/src/main/java/de/blinkt/openvpn/core/connection/Obfs4Connection.java b/app/src/main/java/de/blinkt/openvpn/core/connection/Obfs4Connection.java
index c780f487..82a7a6aa 100644
--- a/app/src/main/java/de/blinkt/openvpn/core/connection/Obfs4Connection.java
+++ b/app/src/main/java/de/blinkt/openvpn/core/connection/Obfs4Connection.java
@@ -2,8 +2,9 @@ package de.blinkt.openvpn.core.connection;
 
 import se.leap.bitmaskclient.pluggableTransports.Obfs4Options;
 
-import static se.leap.bitmaskclient.pluggableTransports.Dispatcher.DISPATCHER_IP;
-import static se.leap.bitmaskclient.pluggableTransports.Dispatcher.DISPATCHER_PORT;
+import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_IP;
+import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_PORT;
+
 
 /**
  * Created by cyberta on 08.03.19.
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
index 303959d0..5ddb74ab 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
@@ -49,8 +49,8 @@ import static se.leap.bitmaskclient.base.models.Constants.REMOTE;
 import static se.leap.bitmaskclient.base.models.Constants.TRANSPORT;
 import static se.leap.bitmaskclient.base.models.Constants.TYPE;
 import static se.leap.bitmaskclient.base.models.Constants.UDP;
-import static se.leap.bitmaskclient.pluggableTransports.Dispatcher.DISPATCHER_IP;
-import static se.leap.bitmaskclient.pluggableTransports.Dispatcher.DISPATCHER_PORT;
+import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_IP;
+import static se.leap.bitmaskclient.pluggableTransports.Shapeshifter.DISPATCHER_PORT;
 
 public class VpnConfigGenerator {
     private JSONObject generalConfiguration;
diff --git a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/BinaryInstaller.java b/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/BinaryInstaller.java
deleted file mode 100644
index 0d6aa61e..00000000
--- a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/BinaryInstaller.java
+++ /dev/null
@@ -1,204 +0,0 @@
-/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
-/* See LICENSE for licensing information */
-
-package se.leap.bitmaskclient.pluggableTransports;
-
-import android.content.Context;
-import android.util.Log;
-
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.concurrent.TimeoutException;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-
-public class BinaryInstaller {
-
-    File installFolder;
-    Context context;
-
-    public BinaryInstaller(Context context, File installFolder)
-    {
-        this.installFolder = installFolder;
-
-        this.context = context;
-    }
-
-    public void deleteDirectory(File file) {
-        if( file.exists() ) {
-            if (file.isDirectory()) {
-                File[] files = file.listFiles();
-                for(int i=0; i<files.length; i++) {
-                    if(files[i].isDirectory()) {
-                        deleteDirectory(files[i]);
-                    }
-                    else {
-                        files[i].delete();
-                    }
-                }
-            }
-
-            file.delete();
-        }
-    }
-
-    private final static String COMMAND_RM_FORCE = "rm -f ";
-    private final static String MP3_EXT = ".mp3";
-    //        
-    /*
-     * Extract the resources from the APK file using ZIP
-     */
-    public File installResource (String basePath, String assetKey, boolean overwrite) throws IOException, FileNotFoundException, TimeoutException
-    {
-
-        InputStream is;
-        File outFile;
-
-        outFile = new File(installFolder, assetKey);
-
-        if (outFile.exists() && (!overwrite)) {
-            Log.d("BINARY_INSTALLER", "Binary already exists! Using " + outFile.getCanonicalPath());
-            return outFile;
-        }
-
-        deleteDirectory(installFolder);
-        installFolder.mkdirs();
-
-        Log.d("BINARY_INSTALLER", "Search asset in " + basePath + "/" + assetKey);
-
-        is = context.getAssets().open(basePath + '/' + assetKey);
-        streamToFile(is,outFile, false, false);
-        setExecutable(outFile);
-
-        Log.d("BINARY_INSTALLER", "Asset copied from " + basePath + "/" + assetKey + " to: " + outFile.getCanonicalPath());
-
-        return outFile;
-    }
-
-
-    private final static int FILE_WRITE_BUFFER_SIZE = 1024*8;
-    /*
-     * Write the inputstream contents to the file
-     */
-    public static boolean streamToFile(InputStream stm, File outFile, boolean append, boolean zip) throws IOException
-
-    {
-        byte[] buffer = new byte[FILE_WRITE_BUFFER_SIZE];
-
-        int bytecount;
-
-        OutputStream stmOut = new FileOutputStream(outFile.getAbsolutePath(), append);
-        ZipInputStream zis = null;
-
-        if (zip)
-        {
-            zis = new ZipInputStream(stm);
-            ZipEntry ze = zis.getNextEntry();
-            stm = zis;
-
-        }
-
-        while ((bytecount = stm.read(buffer)) > 0)
-        {
-
-            stmOut.write(buffer, 0, bytecount);
-
-        }
-
-        stmOut.close();
-        stm.close();
-
-        if (zis != null)
-            zis.close();
-
-
-        return true;
-
-    }
-
-    //copy the file from inputstream to File output - alternative impl
-    public static boolean copyFile (InputStream is, File outputFile)
-    {
-
-        try {
-            if (outputFile.exists())
-                outputFile.delete();
-
-            boolean newFile = outputFile.createNewFile();
-            DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
-            DataInputStream in = new DataInputStream(is);
-
-            int b = -1;
-            byte[] data = new byte[1024];
-
-            while ((b = in.read(data)) != -1) {
-                out.write(data);
-            }
-
-            if (b == -1); //rejoice
-
-            //
-            out.flush();
-            out.close();
-            in.close();
-            // chmod?
-
-            return newFile;
-
-
-        } catch (IOException ex) {
-            Log.e("Binaryinstaller", "error copying binary", ex);
-            return false;
-        }
-
-    }
-
-    /**
-     * Copies a raw resource file, given its ID to the given location
-     * @param ctx context
-     * @param resid resource id
-     * @param file destination file
-     * @param mode file permissions (E.g.: "755")
-     * @throws IOException on error
-     * @throws InterruptedException when interrupted
-     */
-    public static void copyRawFile(Context ctx, int resid, File file, String mode, boolean isZipd) throws IOException, InterruptedException
-    {
-        final String abspath = file.getAbsolutePath();
-        // Write the iptables binary
-        final FileOutputStream out = new FileOutputStream(file);
-        InputStream is = ctx.getResources().openRawResource(resid);
-
-        if (isZipd)
-        {
-            ZipInputStream zis = new ZipInputStream(is);
-            ZipEntry ze = zis.getNextEntry();
-            is = zis;
-        }
-
-        byte buf[] = new byte[1024];
-        int len;
-        while ((len = is.read(buf)) > 0) {
-            out.write(buf, 0, len);
-        }
-        out.close();
-        is.close();
-        // Change the permissions
-        Runtime.getRuntime().exec("chmod "+mode+" "+abspath).waitFor();
-    }
-
-
-    private void setExecutable(File fileBin) {
-        fileBin.setReadable(true);
-        fileBin.setExecutable(true);
-        fileBin.setWritable(false);
-        fileBin.setWritable(true, true);
-    }
-
-}
diff --git a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Dispatcher.java b/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Dispatcher.java
deleted file mode 100644
index 210c94b6..00000000
--- a/app/src/main/java/se/leap/bitmaskclient/pluggableTransports/Dispatcher.java
+++ /dev/null
@@ -1,216 +0,0 @@
-/**
- * Copyright (c) 2019 LEAP Encryption Access Project and contributers
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-package se.leap.bitmaskclient.pluggableTransports;
-
-import android.content.Context;
-import androidx.annotation.WorkerThread;
-import android.text.TextUtils;
-import android.util.Log;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.util.StringTokenizer;
-
-
-/**
- * Created by cyberta on 22.02.19.
- */
-
-public class Dispatcher {
-    private static final String ASSET_KEY = "piedispatcher";
-    public static final String DISPATCHER_PORT = "4430";
-    public static final String DISPATCHER_IP = "127.0.0.1";
-    private static final String TAG = Dispatcher.class.getName();
-    private final String remoteIP;
-    private final String remotePort;
-    private final String certificate;
-    private final String iatMode;
-    private File fileDispatcher;
-    private Context context;
-    private Thread dispatcherThread = null;
-    private int dispatcherPid = -1;
-
-    public Dispatcher(Context context, Obfs4Options obfs4Options) {
-        this.context = context.getApplicationContext();
-        this.remoteIP = obfs4Options.remoteIP;
-        this.remotePort = obfs4Options.remotePort;
-        this.certificate = obfs4Options.cert;
-        this.iatMode = obfs4Options.iatMode;
-    }
-
-    @WorkerThread
-    public void initSync() {
-        try {
-            fileDispatcher = installDispatcher();
-
-            // start dispatcher
-            dispatcherThread = new Thread(() -> {
-                try {
-                    StringBuilder dispatcherLog = new StringBuilder();
-                    String dispatcherCommand = fileDispatcher.getCanonicalPath() +
-                            " -transparent" +
-                            " -client" +
-                            " -state " + context.getFilesDir().getCanonicalPath() + "/state" +
-                            " -target " + remoteIP + ":" + remotePort +
-                            " -transports obfs4" +
-                            " -options \"" + String.format("{\\\"cert\\\": \\\"%s\\\", \\\"iatMode\\\": \\\"%s\\\"}\"", certificate, iatMode) +
-                            " -logLevel DEBUG -enableLogging" +
-                            " -proxylistenaddr "+ DISPATCHER_IP + ":" + DISPATCHER_PORT;
-
-                    Log.d(TAG, "dispatcher command: " + dispatcherCommand);
-                    runBlockingCmd(new String[]{dispatcherCommand}, dispatcherLog);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                } catch (Exception e) {
-                    e.printStackTrace();
-                }
-            });
-            dispatcherThread.start();
-
-            // get pid of dispatcher, try several times in case the dispatcher
-            // process is not spawned yet
-            StringBuilder log = new StringBuilder();
-            String pidCommand = "ps | grep piedispatcher";
-            for (int i = 0; i < 5; i++) {
-                runBlockingCmd(new String[]{pidCommand}, log);
-                if (!TextUtils.isEmpty(log))  {
-                    break;
-                }
-                Thread.sleep(100);
-            }
-
-            String output  = log.toString();
-            StringTokenizer st = new StringTokenizer(output, " ");
-            st.nextToken(); // proc owner
-            dispatcherPid = Integer.parseInt(st.nextToken().trim());
-        } catch(Exception e){
-            if (dispatcherThread.isAlive()) {
-                Log.e(TAG, e.getMessage() + ". Shutting down Dispatcher thread.");
-                stop();
-            }
-        }
-    }
-
-    public String getPort() {
-        return DISPATCHER_PORT;
-    }
-
-    public void stop() {
-        Log.d(TAG, "Shutting down Dispatcher thread.");
-        if (dispatcherThread != null && dispatcherThread.isAlive()) {
-            try {
-                killProcess(dispatcherPid);
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-            dispatcherThread.interrupt();
-        }
-    }
-
-    private void killProcess(int pid) throws Exception {
-        String killPid = "kill -9 " + pid;
-        runCmd(new String[]{killPid}, null, false);
-    }
-
-    public boolean isRunning() {
-        return dispatcherThread != null && dispatcherThread.isAlive();
-    }
-
-    private File installDispatcher(){
-        File fileDispatcher = null;
-        BinaryInstaller bi = new BinaryInstaller(context,context.getFilesDir());
-
-        String arch = System.getProperty("os.arch");
-        if (arch.contains("arm"))
-            arch = "armeabi-v7a";
-        else
-            arch = "x86";
-
-        try {
-            fileDispatcher = bi.installResource(arch, ASSET_KEY, false);
-        } catch (Exception ioe) {
-            Log.d(TAG,"Couldn't install dispatcher: " + ioe);
-        }
-
-        return fileDispatcher;
-    }
-
-    @WorkerThread
-    private void runBlockingCmd(String[] cmds, StringBuilder log) throws Exception {
-        runCmd(cmds, log, true);
-    }
-
-    @WorkerThread
-    private int runCmd(String[] cmds, StringBuilder log,
-                       boolean waitFor) throws Exception {
-
-        int exitCode = -1;
-        Process proc = Runtime.getRuntime().exec("sh");
-        OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());
-
-        try {
-            for (String cmd : cmds) {
-                Log.d(TAG, "executing CMD: " + cmd);
-                out.write(cmd);
-                out.write("\n");
-            }
-
-            out.flush();
-            out.write("exit\n");
-            out.flush();
-        } catch (IOException e) {
-            e.printStackTrace();
-        } finally {
-            out.close();
-        }
-
-        if (waitFor) {
-            // Consume the "stdout"
-            InputStreamReader reader = new InputStreamReader(proc.getInputStream());
-            readToLogString(reader, log);
-
-            // Consume the "stderr"
-            reader = new InputStreamReader(proc.getErrorStream());
-            readToLogString(reader, log);
-
-            try {
-                exitCode = proc.waitFor();
-            } catch (InterruptedException e) {
-                e.printStackTrace();
-            }
-        }
-
-        return exitCode;
-    }
-
-    private void readToLogString(InputStreamReader reader, StringBuilder log) throws IOException {
-        final char buf[] = new char[10];
-        int read = 0;
-        try {
-            while ((read = reader.read(buf)) != -1) {
-                if (log != null)
-                    log.append(buf, 0, read);
-            }
-        } catch (IOException e) {
-            reader.close();
-            throw new IOException(e);
-        }
-        reader.close();
-    }
-}