FTP: Add SSl encryption preference

2026-10-22 16:29:23 +08:00 · 2017-03-26 18:57:20 +05:30
parent 4b13d23b82
commit 5a4074bbdf
11 changed files with 644 additions and 223 deletions
@@ -55,3 +55,4 @@ libs/libs.iml
 .idea/
 gradle.properties
 projectFilesBackup
+/src/main/res/raw/key.bks
@@ -192,7 +192,7 @@ public class AboutActivity extends BasicActivity implements View.OnClickListener
    private void switchIcons() {
        if (getAppTheme().equals(AppTheme.DARK)) {
            // dark theme
-            mAuthorsDivider.setBackgroundColor(getResources().getColor(R.color.divider_dark));
+            mAuthorsDivider.setBackgroundColor(getResources().getColor(R.color.divider_dark_card));
        }
    }

@@ -11,8 +11,13 @@ import android.net.NetworkInfo;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
+import android.support.design.widget.TextInputLayout;
 import android.support.v4.app.Fragment;
+import android.support.v7.widget.AppCompatCheckBox;
+import android.support.v7.widget.AppCompatEditText;
+import android.text.Html;
 import android.text.InputType;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -20,8 +25,8 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.CompoundButton;
 import android.widget.EditText;
-import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;

@@ -34,56 +39,23 @@ import com.amaze.filemanager.utils.color.ColorUsage;
 import com.amaze.filemanager.utils.theme.AppTheme;

 import java.io.File;
+import java.io.InputStream;

 /**
 * Created by yashwanthreddyg on 10-06-2016.
 */
 public class FTPServerFragment extends Fragment {

-    TextView statusText, warningText, ftpAddrText;
+    TextView statusText, username, password, port, sharedPath;
+    private AppCompatEditText usernameEditText, passwordEditText;
+    private TextInputLayout usernameTextInput, passwordTextInput;
+    private AppCompatCheckBox mAnonymousCheckBox, mSecureCheckBox;
    Button ftpBtn;
    private MainActivity mainActivity;
-    private View rootView;
-    private int skin_color, skinTwoColor;
-
-    private BroadcastReceiver mWifiReceiver = new BroadcastReceiver() {
-
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            ConnectivityManager conMan = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
-            NetworkInfo netInfo = conMan.getActiveNetworkInfo();
-            if (netInfo != null && netInfo.getType() == ConnectivityManager.TYPE_WIFI) {
-                warningText.setText("");
-            } else {
-                stopServer();
-                statusText.setText(getResources().getString(R.string.ftp_status_not_running));
-                warningText.setText(getResources().getString(R.string.ftp_no_wifi));
-                ftpAddrText.setText("");
-                ftpBtn.setText(getResources().getString(R.string.start_ftp));
-            }
-        }
-    };
-    private BroadcastReceiver ftpReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
-            if (action == FTPService.ACTION_STARTED) {
-                statusText.setText(getResources().getString(R.string.ftp_status_running));
-                warningText.setText("");
-                ftpAddrText.setText(getFTPAddressString());
-                ftpBtn.setText(getResources().getString(R.string.stop_ftp));
-            } else if (action == FTPService.ACTION_FAILEDTOSTART) {
-                statusText.setText(getResources().getString(R.string.ftp_status_not_running));
-                warningText.setText("Oops! Something went wrong");
-                ftpAddrText.setText("");
-                ftpBtn.setText(getResources().getString(R.string.start_ftp));
-            } else if (action == FTPService.ACTION_STOPPED) {
-                statusText.setText(getResources().getString(R.string.ftp_status_not_running));
-                ftpAddrText.setText("");
-                ftpBtn.setText(getResources().getString(R.string.start_ftp));
-            }
-        }
-    };
+    private View rootView, startDividerView, statusDividerView;
+    private int skin_color, skinTwoColor, accentColor;
+    private Spanned spannedStatusNoConnection, spannedStatusConnected;
+    private Spanned spannedStatusSecure, spannedStatusNotRunning;

    @Override
    public void onCreate(Bundle savedInstanceState) {
@@ -92,13 +64,98 @@ public class FTPServerFragment extends Fragment {
        mainActivity = (MainActivity) getActivity();
    }

+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        rootView = inflater.inflate(R.layout.fragment_ftp, container, false);
+        statusText =(TextView) rootView.findViewById(R.id.text_view_ftp_status);
+        username = (TextView) rootView.findViewById(R.id.text_view_ftp_username);
+        password = (TextView) rootView.findViewById(R.id.text_view_ftp_password);
+        port = (TextView) rootView.findViewById(R.id.text_view_ftp_port);
+        sharedPath = (TextView) rootView.findViewById(R.id.text_view_ftp_path);
+        ftpBtn = (Button) rootView.findViewById(R.id.startStopButton);
+        startDividerView = rootView.findViewById(R.id.divider_ftp_start);
+        statusDividerView = rootView.findViewById(R.id.divider_ftp_status);
+
+        String statusHead = getResources().getString(R.string.ftp_status_title) + ": ";
+
+
+        skin_color = mainActivity.getColorPreference().getColor(ColorUsage.PRIMARY);
+        skinTwoColor = mainActivity.getColorPreference().getColor(ColorUsage.PRIMARY_TWO);
+        accentColor = mainActivity.getColorPreference().getColor(ColorUsage.ACCENT);
+
+        spannedStatusConnected = Html.fromHtml(statusHead + "<b>&nbsp;&nbsp;&nbsp;&nbsp;" +
+                "<font color='" + accentColor + "'>"
+                + getResources().getString(R.string.ftp_status_running) + "</font></b>");
+        spannedStatusNoConnection = Html.fromHtml(statusHead + "<b>&nbsp;&nbsp;&nbsp;&nbsp;" +
+                "<font color='" + getResources().getColor(android.R.color.holo_red_light) + "'>"
+                + getResources().getString(R.string.ftp_status_no_connection) + "</font></b>");
+
+        spannedStatusNotRunning = Html.fromHtml(statusHead + "<b>&nbsp;&nbsp;&nbsp;&nbsp;" +
+                getResources().getString(R.string.ftp_status_not_running) + "</b>");
+        spannedStatusSecure = Html.fromHtml(statusHead + "<b>&nbsp;&nbsp;&nbsp;&nbsp;" +
+                "<font color='" + getResources().getColor(android.R.color.holo_green_light) + "'>"
+                + getResources().getString(R.string.ftp_status_secure_connection) + "</font></b>");
+
+        updateStatus();
+
+        //light theme
+        if (mainActivity.getAppTheme().equals(AppTheme.LIGHT)) {
+            startDividerView.setBackgroundColor(getResources().getColor(R.color.divider));
+            statusDividerView.setBackgroundColor(getResources().getColor(R.color.divider));
+        } else {
+            //dark
+            startDividerView.setBackgroundColor(getResources().getColor(R.color.divider_dark_card));
+            statusDividerView.setBackgroundColor(getResources().getColor(R.color.divider_dark_card));
+        }
+
+        ftpBtn.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                if (!FTPService.isRunning()) {
+                    if (FTPService.isConnectedToWifi(getContext()))
+                        startServer();
+                    else {
+                        // no wifi, we shouldn't be here in the first place, because of broadcast
+                        // receiver, but just to be sure
+                        statusText.setText(spannedStatusNoConnection);
+                    }
+                } else {
+                    stopServer();
+                }
+            }
+        });
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        setRetainInstance(true);
+        mainActivity.setActionBarTitle(getResources().getString(R.string.ftp));
+        mainActivity.floatingActionButton.hideMenuButton(true);
+        mainActivity.buttonBarFrame.setVisibility(View.GONE);
+        mainActivity.supportInvalidateOptionsMenu();
+
+        mainActivity.updateViews(new ColorDrawable(MainActivity.currentTab==1 ?
+                skinTwoColor : skin_color));
+    }
+
+    @Override
+    public void onDestroy() {
+
+        super.onDestroy();
+    }
+
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
-        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());

        switch (item.getItemId()) {
            case R.id.choose_ftp_port:
-                int currentFtpPort = FTPService.getDefaultPortFromPreferences(preferences);
+                int currentFtpPort = getDefaultPortFromPreferences();

                new MaterialDialog.Builder(getActivity())
                        .input(getString(R.string.ftp_port_edit_menu_title), Integer.toString(currentFtpPort), true, new MaterialDialog.InputCallback() {
@@ -120,7 +177,7 @@ public class FTPServerFragment extends Fragment {
                                        Toast.makeText(getActivity(), R.string.ftp_port_change_error_invalid, Toast.LENGTH_SHORT)
                                                .show();
                                    } else {
-                                        FTPService.changeFTPServerPort(preferences, portNumber);
+                                        changeFTPServerPort(portNumber);
                                        Toast.makeText(getActivity(), R.string.ftp_port_change_success, Toast.LENGTH_SHORT)
                                                .show();
                                    }
@@ -136,7 +193,7 @@ public class FTPServerFragment extends Fragment {
                MaterialDialog.Builder dialogBuilder = new MaterialDialog.Builder(getActivity());
                dialogBuilder.title(getString(R.string.ftp_path));
                dialogBuilder.input(getString(R.string.ftp_path_hint),
-                        FTPService.getDefaultPathFromPreferences(preferences),
+                        getDefaultPathFromPreferences(),
                        false, new MaterialDialog.InputCallback() {
                            @Override
                            public void onInput(@NonNull MaterialDialog dialog, CharSequence input) {
@@ -154,7 +211,8 @@ public class FTPServerFragment extends Fragment {
                            File pathFile = new File(path);
                            if (pathFile.exists() && pathFile.isDirectory()) {

-                                FTPService.changeFTPServerPath(preferences, pathFile.getPath());
+                                changeFTPServerPath(pathFile.getPath());
+
                                Toast.makeText(getActivity(), R.string.ftp_path_change_success,
                                        Toast.LENGTH_SHORT)
                                        .show();
@@ -163,7 +221,7 @@ public class FTPServerFragment extends Fragment {
                                File pathParentFile = new File(pathFile.getParent());
                                if (pathParentFile.exists() && pathParentFile.isDirectory()) {

-                                    FTPService.changeFTPServerPath(preferences, pathParentFile.getPath());
+                                    changeFTPServerPath(pathParentFile.getPath());
                                    Toast.makeText(getActivity(), R.string.ftp_path_change_success,
                                            Toast.LENGTH_SHORT)
                                            .show();
@@ -183,6 +241,84 @@ public class FTPServerFragment extends Fragment {
                        .negativeText(R.string.cancel)
                        .build()
                        .show();
+                return true;
+            case R.id.ftp_login:
+                MaterialDialog.Builder loginDialogBuilder = new MaterialDialog.Builder(getActivity());
+
+                LayoutInflater inflater = getActivity().getLayoutInflater();
+                View rootView = inflater.inflate(R.layout.dialog_ftp_login, null);
+                initLoginDialogViews(rootView);
+
+                loginDialogBuilder.customView(rootView, true);
+
+                loginDialogBuilder.title(getString(R.string.ftp_login));
+
+                loginDialogBuilder.onPositive(new MaterialDialog.SingleButtonCallback() {
+                    @Override
+                    public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) {
+
+                        if (mAnonymousCheckBox.isChecked()) {
+
+                            // remove preferences
+                            setFTPUsername("");
+                            setFTPPassword("");
+                        } else {
+
+                            if (passwordEditText.getText().toString().equals("")) {
+                                passwordTextInput.setError(getResources().getString(R.string.field_empty));
+                            } else if (usernameEditText.getText().toString().equals("")) {
+                                usernameTextInput.setError(getResources().getString(R.string.field_empty));
+                            } else {
+
+                                // password and username field not empty, let's set them to preferences
+                                setFTPUsername(usernameEditText.getText().toString());
+                                setFTPPassword(passwordEditText.getText().toString());
+                            }
+                        }
+
+                        if (mSecureCheckBox.isChecked()) {
+                            setSecurePreference(true);
+                        } else setSecurePreference(false);
+                    }
+                });
+
+                loginDialogBuilder.positiveText(getResources().getString(R.string.set).toUpperCase())
+                        .negativeText(getResources().getString(R.string.cancel))
+                        .build()
+                        .show();
+
+                return true;
+            case R.id.ftp_timeout:
+                MaterialDialog.Builder timeoutBuilder = new MaterialDialog.Builder(getActivity());
+
+                timeoutBuilder.title(getResources().getString(R.string.ftp_timeout) + "(" +
+                        getResources().getString(R.string.ftp_seconds) + ")");
+                timeoutBuilder.input(String.valueOf(FTPService.DEFAULT_TIMEOUT + " " +
+                                getResources().getString(R.string.ftp_seconds)), String.valueOf(getFTPTimeout()),
+                        true, new MaterialDialog.InputCallback() {
+                            @Override
+                            public void onInput(@NonNull MaterialDialog dialog, CharSequence input) {
+
+                                boolean isInputInteger;
+                                try {
+                                    // try parsing for integer check
+                                    Integer.parseInt(input.toString());
+                                    isInputInteger = true;
+                                } catch (NumberFormatException e) {
+                                    isInputInteger = false;
+                                }
+
+                                if (input.length()==0 || !isInputInteger)
+                                    setFTPTimeout(FTPService.DEFAULT_TIMEOUT);
+                                else
+                                    setFTPTimeout(Integer.valueOf(input.toString()));
+                            }
+                        });
+                timeoutBuilder.positiveText(getResources().getString(R.string.set).toUpperCase())
+                        .negativeText(getResources().getString(R.string.cancel))
+                        .build()
+                        .show();
+                return true;
        }

        return false;
@@ -193,65 +329,51 @@ public class FTPServerFragment extends Fragment {
        mainActivity.getMenuInflater().inflate(R.menu.ftp_server_menu, menu);
    }

-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        rootView = inflater.inflate(R.layout.fragment_ftp, container, false);
-        statusText =(TextView) rootView.findViewById(R.id.statusText);
-        warningText = (TextView) rootView.findViewById(R.id.warningText);
-        ftpAddrText = (TextView) rootView.findViewById(R.id.ftpAddressText);
-        ftpBtn = (Button) rootView.findViewById(R.id.startStopButton);
+    private BroadcastReceiver mWifiReceiver = new BroadcastReceiver() {

-        ImageView ftpImage = (ImageView)rootView.findViewById(R.id.ftp_image);
-
-        //light theme
-        if (mainActivity.getAppTheme().equals(AppTheme.LIGHT)) {
-            ftpImage.setImageResource(R.drawable.ic_ftp_light);
-        } else {
-            //dark
-            ftpImage.setImageResource(R.drawable.ic_ftp_dark);
-        }
-
-        ftpBtn.setOnClickListener(new View.OnClickListener() {
-
-            @Override
-            public void onClick(View v) {
-                if (!FTPService.isRunning()) {
-                    if (FTPService.isConnectedToWifi(getContext()))
-                        startServer();
-                    else
-                        warningText.setText(getResources().getString(R.string.ftp_no_wifi));
-                } else {
-                    stopServer();
-                }
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            ConnectivityManager conMan = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+            NetworkInfo netInfo = conMan.getActiveNetworkInfo();
+            if (netInfo != null && netInfo.getType() == ConnectivityManager.TYPE_WIFI) {
+                // connected to wifi
+                ftpBtn.setEnabled(true);
+            } else {
+                // wifi connection lost
+                stopServer();
+                statusText.setText(spannedStatusNoConnection);
+                ftpBtn.setEnabled(true);
+                ftpBtn.setEnabled(false);
+                ftpBtn.setText(getResources().getString(R.string.start_ftp).toUpperCase());
            }
-        });
+        }
+    };

-        return rootView;
-    }
+    private BroadcastReceiver ftpReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (action == FTPService.ACTION_STARTED) {
+                if (getSecurePreference()) {
+                    statusText.setText(spannedStatusSecure);
+                } else {
+                    statusText.setText(spannedStatusConnected);
+                }
+                ftpBtn.setText(getResources().getString(R.string.stop_ftp).toUpperCase());

-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
-        setRetainInstance(true);
-        mainActivity.setActionBarTitle(getResources().getString(R.string.ftp));
-        mainActivity.floatingActionButton.hideMenuButton(true);
-        mainActivity.buttonBarFrame.setVisibility(View.GONE);
-        mainActivity.supportInvalidateOptionsMenu();
+            } else if (action == FTPService.ACTION_FAILEDTOSTART) {
+                statusText.setText(spannedStatusNotRunning);

-        skin_color = mainActivity.getColorPreference().getColor(ColorUsage.PRIMARY);
-        skinTwoColor = mainActivity.getColorPreference().getColor(ColorUsage.PRIMARY_TWO);
+                Toast.makeText(getContext(),
+                        getResources().getString(R.string.unknown_error), Toast.LENGTH_LONG).show();

-        mainActivity.updateViews(new ColorDrawable(MainActivity.currentTab==1 ?
-                skinTwoColor : skin_color));
-    }
-
-    @Override
-    public void onDestroy() {
-
-        super.onDestroy();
-    }
+                ftpBtn.setText(getResources().getString(R.string.start_ftp).toUpperCase());
+            } else if (action == FTPService.ACTION_STOPPED) {
+                statusText.setText(spannedStatusNotRunning);
+                ftpBtn.setText(getResources().getString(R.string.start_ftp).toUpperCase());
+            }
+        }
+    };

    /**
     * Sends a broadcast to start ftp server
@@ -270,7 +392,7 @@ public class FTPServerFragment extends Fragment {
    @Override
    public void onResume() {
        super.onResume();
-        updateStatus();
+
        IntentFilter wifiFilter = new IntentFilter();
        wifiFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        getContext().registerReceiver(mWifiReceiver, wifiFilter);
@@ -289,16 +411,79 @@ public class FTPServerFragment extends Fragment {
    }

    /**
-     * Update UI widgets based on connection status
+     * Update UI widgets after change in shared preferences
     */
    private void updateStatus() {
-        if (FTPService.isRunning()) {
-            statusText.setText(getResources().getString(R.string.ftp_status_running));
-            ftpBtn.setText(getResources().getString(R.string.stop_ftp));
-            ftpAddrText.setText(getFTPAddressString());
+
+        if (!FTPService.isRunning()) {
+            if (!FTPService.isConnectedToWifi(getContext())) {
+                statusText.setText(spannedStatusNoConnection);
+                ftpBtn.setEnabled(false);
+            } else {
+
+                statusText.setText(spannedStatusNotRunning);
+                ftpBtn.setEnabled(true);
+            }
+
+            ftpBtn.setText(getResources().getString(R.string.start_ftp).toUpperCase());
+
        } else {
-            statusText.setText(getResources().getString(R.string.ftp_status_not_running));
-            ftpBtn.setText(getResources().getString(R.string.start_ftp));
+            statusText.setText(spannedStatusConnected);
+            ftpBtn.setEnabled(true);
+            ftpBtn.setText(getResources().getString(R.string.stop_ftp).toUpperCase());
+        }
+
+        username.setText(getResources().getString(R.string.username) + ": " +
+                getUsernameFromPreferences());
+        password.setText(getResources().getString(R.string.password) + ": " +
+                getPasswordFromPreferences());
+        port.setText(getResources().getString(R.string.ftp_port) + ": " +
+                getDefaultPortFromPreferences());
+        sharedPath.setText(getResources().getString(R.string.ftp_path) + ": " +
+                getDefaultPathFromPreferences());
+    }
+
+    private void initLoginDialogViews(View loginDialogView) {
+
+        usernameEditText = (AppCompatEditText) loginDialogView.findViewById(R.id.edit_text_dialog_ftp_username);
+        passwordEditText = (AppCompatEditText) loginDialogView.findViewById(R.id.edit_text_dialog_ftp_password);
+        usernameTextInput = (TextInputLayout) loginDialogView.findViewById(R.id.text_input_dialog_ftp_username);
+        passwordTextInput = (TextInputLayout) loginDialogView.findViewById(R.id.text_input_dialog_ftp_password);
+        mAnonymousCheckBox = (AppCompatCheckBox) loginDialogView.findViewById(R.id.checkbox_ftp_anonymous);
+        mSecureCheckBox = (AppCompatCheckBox) loginDialogView.findViewById(R.id.checkbox_ftp_secure);
+
+        mAnonymousCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (isChecked) {
+                    usernameEditText.setEnabled(false);
+                    passwordEditText.setEnabled(false);
+                } else {
+                    usernameEditText.setEnabled(true);
+                    passwordEditText.setEnabled(true);
+                }
+            }
+        });
+
+        // init dialog views as per preferences
+        if (getUsernameFromPreferences().equals(FTPService.DEFAULT_USERNAME)) {
+            mAnonymousCheckBox.setChecked(true);
+        } else {
+
+            usernameEditText.setText(getUsernameFromPreferences());
+            passwordEditText.setText(getPasswordFromPreferences());
+        }
+
+        if (getSecurePreference()) {
+            mSecureCheckBox.setChecked(true);
+        } else mSecureCheckBox.setChecked(false);
+
+        // check if we have a keystore
+        InputStream stream = getResources().openRawResource(R.raw.key);
+        if (stream == null) {
+            mSecureCheckBox.setEnabled(false);
+            mSecureCheckBox.setChecked(false);
+            setSecurePreference(false);
        }
    }

@@ -308,4 +493,82 @@ public class FTPServerFragment extends Fragment {
    private String getFTPAddressString() {
        return "ftp://" + FTPService.getLocalInetAddress(getContext()).getHostAddress() + ":" + FTPService.getPort();
    }
+
+    private int getDefaultPortFromPreferences() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        return preferences.getInt(FTPService.PORT_PREFERENCE_KEY, FTPService.DEFAULT_PORT);
+    }
+
+    private String getUsernameFromPreferences() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        return preferences.getString(FTPService.KEY_PREFERENCE_USERNAME, FTPService.DEFAULT_USERNAME);
+    }
+
+    private String getPasswordFromPreferences() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        return preferences.getString(FTPService.KEY_PREFERENCE_PASSWORD, "");
+    }
+
+    private String getDefaultPathFromPreferences() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        return preferences.getString(FTPService.KEY_PREFERENCE_PATH, FTPService.DEFAULT_PATH);
+    }
+
+    private void changeFTPServerPort(int port) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        preferences.edit()
+                .putInt(FTPService.PORT_PREFERENCE_KEY, port)
+                .apply();
+
+        updateStatus();
+    }
+
+    private void changeFTPServerPath(String path) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        preferences.edit().putString(FTPService.KEY_PREFERENCE_PATH, path).apply();
+
+        updateStatus();
+
+    }
+
+    private void setFTPUsername(String username) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        preferences.edit().putString(FTPService.KEY_PREFERENCE_USERNAME, username).apply();
+        updateStatus();
+    }
+
+    private void setFTPPassword(String password) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        preferences.edit().putString(FTPService.KEY_PREFERENCE_PASSWORD, password).apply();
+        updateStatus();
+    }
+
+    /**
+     * Returns timeout from preferences
+     * @return timeout in seconds
+     */
+    private int getFTPTimeout() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        return preferences.getInt(FTPService.KEY_PREFERENCE_TIMEOUT, FTPService.DEFAULT_TIMEOUT);
+    }
+
+    private void setFTPTimeout(int seconds) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        preferences.edit().putInt(FTPService.KEY_PREFERENCE_TIMEOUT, seconds).apply();
+    }
+
+    private boolean getSecurePreference() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        return preferences.getBoolean(FTPService.KEY_PREFERENCE_SECURE, FTPService.DEFAULT_SECURE);
+    }
+
+    private void setSecurePreference(boolean isSecureEnabled) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        preferences.edit().putBoolean(FTPService.KEY_PREFERENCE_SECURE, isSecureEnabled).apply();
+    }
 }
@@ -19,16 +19,23 @@ import android.os.SystemClock;
 import android.preference.PreferenceManager;
 import android.util.Log;

+import com.amaze.filemanager.R;
+
+import org.apache.commons.compress.utils.IOUtils;
 import org.apache.ftpserver.ConnectionConfigFactory;
 import org.apache.ftpserver.FtpServer;
 import org.apache.ftpserver.FtpServerFactory;
 import org.apache.ftpserver.ftplet.Authority;
 import org.apache.ftpserver.ftplet.FtpException;
 import org.apache.ftpserver.listener.ListenerFactory;
+import org.apache.ftpserver.ssl.SslConfigurationFactory;
 import org.apache.ftpserver.usermanager.impl.BaseUser;
 import org.apache.ftpserver.usermanager.impl.WritePermission;

+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.lang.reflect.Method;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
@@ -44,35 +51,17 @@ import java.util.List;
 public class FTPService extends Service implements Runnable {

    public static final int DEFAULT_PORT = 2211;
+    public static final String DEFAULT_USERNAME = "";
+    public static final int DEFAULT_TIMEOUT = 600;   // default timeout, in sec
+    public static final boolean DEFAULT_SECURE = false;
    public static final String PORT_PREFERENCE_KEY = "ftpPort";
    public static final String KEY_PREFERENCE_PATH = "ftp_path";
+    public static final String KEY_PREFERENCE_USERNAME = "ftp_username";
+    public static final String KEY_PREFERENCE_PASSWORD = "ftp_password";
+    public static final String KEY_PREFERENCE_TIMEOUT = "ftp_timeout";
+    public static final String KEY_PREFERENCE_SECURE = "ftp_secure";
    public static final String DEFAULT_PATH = Environment.getExternalStorageDirectory().getAbsolutePath();

-    public static int getDefaultPortFromPreferences(SharedPreferences preferences) {
-        try {
-            return preferences.getInt(PORT_PREFERENCE_KEY, DEFAULT_PORT);
-        } catch (ClassCastException ex) {
-            Log.e("FtpService", "Default port preference is not an int. Resetting to default.");
-            changeFTPServerPort(preferences, DEFAULT_PORT);
-
-            return DEFAULT_PORT;
-        }
-    }
-
-    public static String getDefaultPathFromPreferences(SharedPreferences preferences) {
-        return preferences.getString(KEY_PREFERENCE_PATH, DEFAULT_PATH);
-    }
-
-    public static void changeFTPServerPort(SharedPreferences preferences, int port) {
-        preferences.edit()
-                   .putInt(PORT_PREFERENCE_KEY, port)
-                   .apply();
-    }
-
-    public static void changeFTPServerPath(SharedPreferences preferences, String path) {
-        preferences.edit().putString(KEY_PREFERENCE_PATH, path).apply();
-    }
-
    private static final String TAG = FTPService.class.getSimpleName();

    /**
@@ -109,11 +98,6 @@ public class FTPService extends Service implements Runnable {
            }
        }

-        if (intent != null && intent.getStringExtra("username") != null && intent.getStringExtra("password") != null) {
-            username = intent.getStringExtra("username");
-            password = intent.getStringExtra("password");
-            isPasswordProtected = true;
-        }
        serverThread = new Thread(this);
        serverThread.start();

@@ -136,6 +120,13 @@ public class FTPService extends Service implements Runnable {

        serverFactory.setConnectionConfig(connectionConfigFactory.createConnectionConfig());

+        String usernamePreference = preferences.getString(KEY_PREFERENCE_USERNAME, DEFAULT_USERNAME);
+        if (!usernamePreference.equals(DEFAULT_USERNAME)) {
+            username = usernamePreference;
+            password = preferences.getString(KEY_PREFERENCE_PASSWORD, "");
+            isPasswordProtected = true;
+        }
+
        BaseUser user = new BaseUser();
        if (!isPasswordProtected) {
            user.setName("anonymous");
@@ -144,7 +135,7 @@ public class FTPService extends Service implements Runnable {
            user.setPassword(password);
        }

-        user.setHomeDirectory(getDefaultPathFromPreferences(preferences));
+        user.setHomeDirectory(preferences.getString(KEY_PREFERENCE_PATH, DEFAULT_PATH));
        List<Authority> list = new ArrayList<>();
        list.add(new WritePermission());
        user.setAuthorities(list);
@@ -155,9 +146,36 @@ public class FTPService extends Service implements Runnable {
        }
        ListenerFactory fac = new ListenerFactory();

-        port = getDefaultPortFromPreferences(preferences);
+        port = preferences.getInt(PORT_PREFERENCE_KEY, DEFAULT_PORT);
+
+        if (preferences.getBoolean(KEY_PREFERENCE_SECURE, DEFAULT_SECURE)) {
+            SslConfigurationFactory sslConfigurationFactory = new SslConfigurationFactory();
+
+            File file;
+            try {
+
+                InputStream stream = getResources().openRawResource(R.raw.key);
+                file = File.createTempFile("keystore", "bks");
+                FileOutputStream outputStream = new FileOutputStream(file);
+                IOUtils.copy(stream, outputStream);
+            } catch (Exception e) {
+                e.printStackTrace();
+                file = null;
+            }
+
+            if (file != null) {
+                sslConfigurationFactory.setKeystoreFile(file);
+                sslConfigurationFactory.setKeystorePassword("vishal007");
+                fac.setSslConfiguration(sslConfigurationFactory.createSslConfiguration());
+                fac.setImplicitSsl(true);
+            } else {
+                // no keystore found
+                preferences.edit().putBoolean(KEY_PREFERENCE_SECURE, false).apply();
+            }
+        }

        fac.setPort(port);
+        fac.setIdleTimeout(preferences.getInt(KEY_PREFERENCE_TIMEOUT, DEFAULT_TIMEOUT));

        serverFactory.addListener("default", fac.createListener());
        try {
@@ -211,7 +229,6 @@ public class FTPService extends Service implements Runnable {
                SystemClock.elapsedRealtime() + 2000, restartServicePI);
    }

-
    public static boolean isRunning() {
        // return true if and only if a server Thread is running
        if (serverThread == null) {
@@ -268,7 +285,6 @@ public class FTPService extends Service implements Runnable {
        return connected;
    }

-
    public static boolean isConnectedToWifi(Context context) {

        ConnectivityManager cm = (ConnectivityManager) context
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <android.support.design.widget.TextInputLayout
+        android:layout_width="match_parent"
+        app:errorEnabled="false"
+        android:id="@+id/text_input_dialog_ftp_username"
+        android:layout_height="wrap_content">
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textUri"
+            android:hint="@string/username"
+            android:id="@+id/edit_text_dialog_ftp_username"
+            android:layout_gravity="center_horizontal" />
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+        android:layout_width="match_parent"
+        android:id="@+id/text_input_dialog_ftp_password"
+        app:errorEnabled="true"
+        android:layout_height="wrap_content">
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textPassword"
+            android:hint="@string/password"
+            android:id="@+id/edit_text_dialog_ftp_password"
+            android:layout_gravity="center_horizontal" />
+    </android.support.design.widget.TextInputLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        >
+
+        <android.support.v7.widget.AppCompatCheckBox
+            android:id="@+id/checkbox_ftp_anonymous"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/anonymous"
+            android:layout_gravity="start" />
+
+        <android.support.v7.widget.AppCompatCheckBox
+            android:id="@+id/checkbox_ftp_secure"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/ftp_status_secure_connection"
+            android:layout_gravity="end"
+            />
+    </LinearLayout>
+</LinearLayout>
@@ -1,45 +1,109 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent" android:layout_height="match_parent">
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    >

-    <TextView
-        android:layout_width="wrap_content"
+    <android.support.v7.widget.CardView
+        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:id="@+id/statusText"
-        android:layout_above="@+id/startStopButton"
-        android:layout_centerHorizontal="true"
-        android:layout_marginBottom="99dp" />
+        android:id="@+id/card_view_ftp"
+        android:layout_margin="@dimen/material_generic"
+        app:cardElevation="@dimen/material_generic_card_elevation"
+        >
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            >

-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceLarge"
-        android:id="@+id/ftpAddressText"
-        android:layout_below="@+id/startStopButton"
-        android:layout_centerHorizontal="true" />
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="vertical"
+                android:paddingLeft="@dimen/material_generic"
+                android:paddingBottom="@dimen/material_generic"
+                android:paddingTop="@dimen/material_generic"
+                >

-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/start_ftp"
-        android:id="@+id/startStopButton"
-        android:layout_centerVertical="true"
-        android:layout_centerHorizontal="true" />
+                <!-- status -->
+                <TextView
+                    android:id="@+id/text_view_ftp_status"
+                    android:layout_width="wrap_content"
+                    android:layout_height="@dimen/material_generic_medium"
+                    android:textSize="@dimen/material_generic_title_large"
+                    />

-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:textColor="@color/primary_red"
-        android:id="@+id/warningText"
-        android:layout_above="@+id/startStopButton"
-        android:layout_centerHorizontal="true" />
+                <View
+                    android:id="@+id/divider_ftp_status"
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/height_divider"
+                    android:background="@color/divider"
+                    android:layout_marginTop="@dimen/material_generic"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />

-    <ImageView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:id="@+id/ftp_image"
-        android:layout_above="@+id/warningText"
-        android:layout_centerHorizontal="true" />
-</RelativeLayout>
+                <!-- username -->
+                <TextView
+                    android:id="@+id/text_view_ftp_username"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/material_generic_title"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />
+
+                <!-- password -->
+                <TextView
+                    android:id="@+id/text_view_ftp_password"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/material_generic_title"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />
+
+                <!-- port -->
+                <TextView
+                    android:id="@+id/text_view_ftp_port"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/material_generic_title"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />
+
+                <!-- shared path -->
+                <TextView
+                    android:id="@+id/text_view_ftp_path"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/material_generic_title"
+                    />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <View
+                    android:id="@+id/divider_ftp_start"
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/height_divider"
+                    android:background="@color/divider"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />
+
+                <Button
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/material_generic_medium"
+                    android:text="@string/start_ftp"
+                    android:id="@+id/startStopButton"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:layout_marginBottom="@dimen/material_generic"
+                    />
+            </LinearLayout>
+
+        </LinearLayout>
+    </android.support.v7.widget.CardView>
+</LinearLayout>
@@ -9,14 +9,14 @@
        app:errorEnabled="true"
        android:id="@+id/connectionTIL"
        android:layout_height="wrap_content">
-    <android.support.v7.widget.AppCompatEditText
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:ems="10"
-        android:inputType="textUri"
-        android:hint="@string/connectionname"
-        android:id="@+id/connectionET"
-        android:layout_gravity="center_horizontal" />
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textUri"
+            android:hint="@string/connectionname"
+            android:id="@+id/connectionET"
+            android:layout_gravity="center_horizontal" />
    </android.support.design.widget.TextInputLayout>

    <android.support.design.widget.TextInputLayout
@@ -24,14 +24,14 @@
        android:id="@+id/ipTIL"
        app:errorEnabled="true"
        android:layout_height="wrap_content">
-    <android.support.v7.widget.AppCompatEditText
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:ems="10"
-        android:inputType="textUri"
-        android:hint="@string/smb_server"
-        android:id="@+id/ipET"
-        android:layout_gravity="center_horizontal" />
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textUri"
+            android:hint="@string/smb_server"
+            android:id="@+id/ipET"
+            android:layout_gravity="center_horizontal" />
    </android.support.design.widget.TextInputLayout>

    <android.support.design.widget.TextInputLayout
@@ -54,38 +54,38 @@
        app:errorEnabled="true"
        android:layout_height="wrap_content"
        android:id="@+id/usernameTIL" >
-    <android.support.v7.widget.AppCompatEditText
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:inputType="textPersonName"
-        android:hint="@string/username"
-        android:ems="10"
-        android:id="@+id/usernameET" />
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPersonName"
+            android:hint="@string/username"
+            android:ems="10"
+            android:id="@+id/usernameET" />
    </android.support.design.widget.TextInputLayout>

    <android.support.design.widget.TextInputLayout
        android:layout_width="match_parent"
        app:errorEnabled="true"
        android:layout_height="wrap_content">
-    <android.support.v7.widget.AppCompatEditText
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:inputType="textPassword"
-        android:ems="10"
-        android:hint="@string/password"
-        android:id="@+id/passwordET"
-        android:layout_gravity="center_horizontal" />
-</android.support.design.widget.TextInputLayout>
+        <android.support.v7.widget.AppCompatEditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPassword"
+            android:ems="10"
+            android:hint="@string/password"
+            android:id="@+id/passwordET"
+            android:layout_gravity="center_horizontal" />
+    </android.support.design.widget.TextInputLayout>
    <android.support.v7.widget.AppCompatCheckBox
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/anonymous"
        android:id="@+id/checkBox2"
        android:layout_gravity="center_horizontal" />
-<TextView
-    android:layout_width="wrap_content"
-    android:id="@+id/wanthelp"
-    android:layout_height="wrap_content"
-    android:text="@string/wanthelp"
-    />
+    <TextView
+        android:layout_width="wrap_content"
+        android:id="@+id/wanthelp"
+        android:layout_height="wrap_content"
+        android:text="@string/wanthelp"
+        />
 </LinearLayout>
@@ -6,4 +6,10 @@
    <item
        android:id="@+id/ftp_path"
        android:title="@string/ftp_path" />
+    <item
+        android:id="@+id/ftp_login"
+        android:title="@string/ftp_login" />
+    <item
+        android:id="@+id/ftp_timeout"
+        android:title="@string/ftp_timeout" />
 </menu>
@@ -32,7 +32,8 @@
    <color name="holo_dark_action_mode">#212121</color>
    <color name="holo_dark_selection">#424242</color>
    <color name="divider">#e0e0e0</color>
-    <color name="divider_dark">#474747</color>
+    <color name="divider_dark_card">#575757</color>
+    <color name="divider_dark">#484848</color>
    <color name="search_text_highlight">#FF9632</color>
    <!-- TODO: replace this hardcoded color with default list item selection color -->
    <color name="check_background">#EEEEEE</color>
@@ -26,6 +26,9 @@
    <dimen name="material_generic_large">72dp</dimen>
    <dimen name="material_generic_card_elevation">4dp</dimen>
    <dimen name="material_generic_title">16sp</dimen>
+    <dimen name="material_generic_title_large">20sp</dimen>
    <dimen name="material_generic_title_summary">12sp</dimen>
    <dimen name="material_generic_list_item">72dp</dimen>
+
+    <dimen name="height_divider">1dp</dimen>
 </resources>
@@ -411,7 +411,7 @@
    <string name="ftp_notif_title">Amaze FTP Server running</string>
    <string name="ftp_notif_text">at %s</string>
    <string name="ftp_notif_stop_server">STOP</string>
-    <string name="ftp_port_edit_menu_title">Choose FTP port</string>
+    <string name="ftp_port_edit_menu_title">FTP port</string>
    <string name="ftp_port_change_success">FTP port changed successfully</string>
    <string name="ftp_port_change_error_invalid">Invalid port number selected</string>
    <string name="primary_two_title">Primary Color (Right Tab)</string>
@@ -575,8 +575,17 @@
    <string name="ftp_path_hint">Path to the root of directory to share</string>
    <string name="error_ftp_path_file">Path not a directory</string>
    <string name="change">Change</string>
+    <string name="unknown_error">Oops, something went wrong!</string>

    <string name="ftp_path_change_success">FTP path changed successfully</string>
    <string name="ftp_path_change_error_invalid">Invalid path</string>
+    <string name="ftp_status_no_connection">No Connection</string>
+    <string name="ftp_status_secure_connection">Secure Connection</string>
+    <string name="ftp_status_title">Status</string>
+    <string name="ftp_port">Port</string>
+    <string name="ftp_login">Login</string>
+    <string name="field_empty">Field can\'t be empty</string>
+    <string name="ftp_timeout">Idle timeout</string>
+    <string name="ftp_seconds">Seconds</string>
 </resources>