1 files changed, 258 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/base/fragments/TetheringDialog.java b/app/src/main/java/se/leap/bitmaskclient/base/fragments/TetheringDialog.java
new file mode 100644
index 00000000..8593e25c
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/base/fragments/TetheringDialog.java
@@ -0,0 +1,258 @@
+package se.leap.bitmaskclient.base.fragments;
+
+import android.app.Dialog;
+import android.content.ActivityNotFoundException;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.provider.Settings;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatDialogFragment;
+import androidx.appcompat.widget.AppCompatTextView;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.method.LinkMovementMethod;
+import android.text.style.ClickableSpan;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.Observable;
+import java.util.Observer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import butterknife.ButterKnife;
+import butterknife.InjectView;
+import de.blinkt.openvpn.core.VpnStatus;
+import se.leap.bitmaskclient.R;
+import se.leap.bitmaskclient.firewall.FirewallManager;
+import se.leap.bitmaskclient.tethering.TetheringObservable;
+import se.leap.bitmaskclient.base.utils.PreferenceHelper;
+import se.leap.bitmaskclient.base.views.IconCheckboxEntry;
+
+/**
+ * Copyright (c) 2020 LEAP Encryption Access Project and contributers
+ * <p>
+ * 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.
+ * <p>
+ * 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.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public class TetheringDialog extends AppCompatDialogFragment implements Observer {
+
+    public final static String TAG = TetheringDialog.class.getName();
+
+    @InjectView(R.id.tvTitle)
+    AppCompatTextView title;
+
+    @InjectView(R.id.user_message)
+    AppCompatTextView userMessage;
+
+    @InjectView(R.id.selection_list_view)
+    RecyclerView selectionListView;
+    DialogListAdapter adapter;
+    private DialogListAdapter.ViewModel[] dataset;
+
+    public static class DialogListAdapter extends RecyclerView.Adapter<DialogListAdapter.ViewHolder> {
+
+        interface OnItemClickListener {
+            void onItemClick(ViewModel item);
+        }
+
+        private ViewModel[] dataSet;
+        private OnItemClickListener clickListener;
+
+        DialogListAdapter(ViewModel[] dataSet, OnItemClickListener clickListener) {
+            this.dataSet = dataSet;
+            this.clickListener = clickListener;
+        }
+
+        @NonNull
+        @Override
+        public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
+            IconCheckboxEntry v = new IconCheckboxEntry(viewGroup.getContext());
+            return new ViewHolder(v);
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
+            viewHolder.bind(dataSet[i], clickListener);
+        }
+
+        @Override
+        public int getItemCount() {
+            return dataSet.length;
+        }
+
+        public static class ViewModel {
+
+            public Drawable image;
+            public String text;
+            public boolean checked;
+            public boolean enabled;
+
+            ViewModel(Drawable image, String text, boolean checked, boolean enabled) {
+                this.image = image;
+                this.text = text;
+                this.checked = checked;
+                this.enabled = enabled;
+            }
+        }
+
+        public static class ViewHolder extends RecyclerView.ViewHolder {
+
+            ViewHolder(IconCheckboxEntry v) {
+                super(v);
+            }
+
+            public void bind(ViewModel model, OnItemClickListener onClickListener) {
+                ((IconCheckboxEntry) this.itemView).bind(model);
+                this.itemView.setOnClickListener(v -> {
+                    model.checked = !model.checked;
+                    ((IconCheckboxEntry) itemView).setChecked(model.checked);
+                    onClickListener.onItemClick(model);
+                });
+            }
+        }
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        LayoutInflater inflater = getActivity().getLayoutInflater();
+        View view = inflater.inflate(R.layout.d_list_selection, null);
+        ButterKnife.inject(this, view);
+
+        title.setText(R.string.tethering);
+        userMessage.setMovementMethod(LinkMovementMethod.getInstance());
+        userMessage.setLinkTextColor(getContext().getResources().getColor(R.color.colorPrimary));
+        userMessage.setText(createUserMessage());
+
+        initDataset();
+        adapter = new DialogListAdapter(dataset, this::onItemClick);
+        selectionListView.setAdapter(adapter);
+        selectionListView.setLayoutManager(new LinearLayoutManager(getActivity()));
+
+
+        builder.setView(view)
+                .setPositiveButton(android.R.string.ok, (dialog, id) -> {
+                    PreferenceHelper.allowWifiTethering(getContext(), dataset[0].checked);
+                    PreferenceHelper.allowUsbTethering(getContext(), dataset[1].checked);
+                    PreferenceHelper.allowBluetoothTethering(getContext(), dataset[2].checked);
+                    TetheringObservable.allowVpnWifiTethering(dataset[0].checked);
+                    TetheringObservable.allowVpnUsbTethering(dataset[1].checked);
+                    TetheringObservable.allowVpnBluetoothTethering(dataset[2].checked);
+                    FirewallManager firewallManager = new FirewallManager(getContext().getApplicationContext(), false);
+                    if (VpnStatus.isVPNActive()) {
+                        if (TetheringObservable.getInstance().getTetheringState().hasAnyDeviceTetheringEnabled() &&
+                                TetheringObservable.getInstance().getTetheringState().hasAnyVpnTetheringAllowed()) {
+                            firewallManager.startTethering();
+                        } else {
+                            firewallManager.stopTethering();
+                        }
+                    }
+                }).setNegativeButton(R.string.cancel, (dialog, id) -> dialog.cancel());
+        return builder.create();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        dataset[0].enabled = TetheringObservable.getInstance().isWifiTetheringEnabled();
+        dataset[1].enabled = TetheringObservable.getInstance().isUsbTetheringEnabled();
+        dataset[2].enabled = TetheringObservable.getInstance().isBluetoothTetheringEnabled();
+        adapter.notifyDataSetChanged();
+        TetheringObservable.getInstance().addObserver(this);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        TetheringObservable.getInstance().deleteObserver(this);
+    }
+
+    public void onItemClick(DialogListAdapter.ViewModel item) {
+
+    }
+
+    private CharSequence createUserMessage() {
+        String tetheringMessage = getString(R.string.tethering_message);
+        String systemSettingsMessage = getString(R.string.tethering_enabled_message);
+        Pattern pattern = Pattern.compile("([\\w .]*)(<b>)+([\\w ]*)(</b>)([\\w .]*)");
+        Matcher matcher = pattern.matcher(systemSettingsMessage);
+        int startIndex = 0;
+        int endIndex = 0;
+        if (matcher.matches()) {
+            startIndex = matcher.start(2);
+            endIndex = startIndex + matcher.group(3).length();
+        }
+        systemSettingsMessage = systemSettingsMessage.replace("<b>", "").replace("</b>", "");
+        String wholeMessage = systemSettingsMessage + "\n\n" + tetheringMessage;
+        Spannable spannable = new SpannableString(wholeMessage);
+        spannable.setSpan(new ClickableSpan() {
+            @Override
+            public void onClick(@NonNull View widget) {
+                try {
+                    final Intent intent = new Intent(Intent.ACTION_MAIN, null);
+                    intent.addCategory(Intent.CATEGORY_LAUNCHER);
+                    final ComponentName cn = new ComponentName("com.android.settings", "com.android.settings.TetherSettings");
+                    intent.setComponent(cn);
+                    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    startActivity(intent);
+                } catch (ActivityNotFoundException e) {
+                    Intent intent = new Intent(Settings.ACTION_WIRELESS_SETTINGS);
+                    startActivity(intent);
+                }
+
+            }
+        }, startIndex, endIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+
+        return spannable;
+    }
+
+    private void initDataset() {
+        dataset = new DialogListAdapter.ViewModel[] {
+                new DialogListAdapter.ViewModel(getContext().getResources().getDrawable(R.drawable.ic_wifi),
+                        getContext().getString(R.string.tethering_wifi),
+                        PreferenceHelper.isWifiTetheringAllowed(getContext()),
+                        TetheringObservable.getInstance().isWifiTetheringEnabled()),
+                new DialogListAdapter.ViewModel(getContext().getResources().getDrawable(R.drawable.ic_usb),
+                        getContext().getString(R.string.tethering_usb),
+                        PreferenceHelper.isUsbTetheringAllowed(getContext()),
+                        TetheringObservable.getInstance().isUsbTetheringEnabled()),
+                new DialogListAdapter.ViewModel(getContext().getResources().getDrawable(R.drawable.ic_bluetooth),
+                        getContext().getString(R.string.tethering_bluetooth),
+                        PreferenceHelper.isBluetoothTetheringAllowed(getContext()),
+                        TetheringObservable.getInstance().isUsbTetheringEnabled())
+        };
+    }
+
+    @Override
+    public void update(Observable o, Object arg) {
+        if (o instanceof TetheringObservable) {
+            TetheringObservable observable = (TetheringObservable) o;
+            Log.d(TAG, "TetheringObservable is updated");
+            dataset[0].enabled = observable.isWifiTetheringEnabled();
+            dataset[1].enabled = observable.isUsbTetheringEnabled();
+            dataset[2].enabled = observable.isBluetoothTetheringEnabled();
+            adapter.notifyDataSetChanged();
+        }
+    }
+
+}