Implemented an option to reset keys (and IP). (#40)

* Implemented an option to reset keys (and IP).
* Implemented an option to set own keys (and IP).
* Incremented app version.

app/build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "eu.neilalexander.yggdrasil"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 11
-        versionName "0.1-011"
+        versionCode 12
+        versionName "0.1-012"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/eu/neilalexander/yggdrasil/ConfigurationProxy.kt

@@ -1,7 +1,6 @@
 package eu.neilalexander.yggdrasil
 
 import android.content.Context
-import android.provider.Settings
 import mobile.Mobile
 import org.json.JSONArray
 import org.json.JSONObject
@@ -29,6 +28,21 @@ object ConfigurationProxy {
         fix()
     }
 
+    fun resetKeys() {
+        val newJson = JSONObject(String(Mobile.generateConfigJSON()))
+        updateJSON { json ->
+            json.put("PrivateKey", newJson.getString("PrivateKey"))
+            json.put("PublicKey", newJson.getString("PublicKey"))
+        }
+    }
+
+    fun setKeys(privateKey: String, publicKey: String) {
+        updateJSON { json ->
+            json.put("PrivateKey", privateKey)
+            json.put("PublicKey", publicKey)
+        }
+    }
+
     fun updateJSON(fn: (JSONObject) -> Unit) {
         json = JSONObject(file.readText(Charsets.UTF_8))
         fn(json)

app/src/main/java/eu/neilalexander/yggdrasil/SettingsActivity.kt

@@ -7,6 +7,7 @@ import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.view.ContextThemeWrapper
 import android.view.LayoutInflater
+import android.view.View
 import android.widget.*
 import androidx.core.widget.doOnTextChanged
 import org.json.JSONObject
@@ -32,8 +33,8 @@ class SettingsActivity : AppCompatActivity() {
 
         deviceNameEntry.doOnTextChanged { text, _, _, _ ->
             config.updateJSON { cfg ->
-                val nodeinfo = cfg.optJSONObject("NodeInfo")
-                if (nodeinfo == null) {
+                val nodeInfo = cfg.optJSONObject("NodeInfo")
+                if (nodeInfo == null) {
                     cfg.put("NodeInfo", JSONObject("{}"))
                 }
                 cfg.getJSONObject("NodeInfo").put("name", text)
@@ -56,6 +57,29 @@ class SettingsActivity : AppCompatActivity() {
             builder.show()
         }
 
+        findViewById<View>(R.id.resetKeysRow).setOnClickListener {
+            config.resetKeys()
+            updateView()
+        }
+
+        findViewById<View>(R.id.setKeysRow).setOnClickListener {
+            val view = inflater.inflate(R.layout.dialog_set_keys, null)
+            val builder: AlertDialog.Builder = AlertDialog.Builder(ContextThemeWrapper(this, R.style.Theme_MaterialComponents_DayNight_Dialog))
+            val privateKey = view.findViewById<EditText>(R.id.private_key)
+            val publicKey = view.findViewById<EditText>(R.id.public_key)
+            builder.setTitle(getString(R.string.set_keys))
+            builder.setView(view)
+            builder.setPositiveButton(getString(R.string.save)) { dialog, _ ->
+                config.setKeys(privateKey.text.toString(), publicKey.text.toString())
+                updateView()
+                dialog.dismiss()
+            }
+            builder.setNegativeButton(getString(R.string.cancel)) { dialog, _ ->
+                dialog.cancel()
+            }
+            builder.show()
+        }
+
         publicKeyLabel.setOnLongClickListener {
             val clipboard: ClipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
             val clip = ClipData.newPlainText("public key", publicKeyLabel.text)

app/src/main/res/layout/activity_settings.xml

@@ -211,7 +211,7 @@
                         android:layout_marginBottom="2pt"
                         android:alpha="0.7"
                         android:paddingRight="8pt"
-                        android:text="@string/settings_reset"
+                        android:text="@string/settings_config"
                         android:textAllCaps="true"
                         android:textAppearance="@style/TextAppearance.AppCompat.Small"
                         android:textSize="12sp" />
@@ -234,6 +234,26 @@
                         android:paddingBottom="2pt"
                         android:showDividers="middle">
 
+                        <TableRow
+                            android:id="@+id/resetKeysRow"
+                            style="@style/SelectableItemStyle">
+
+                            <TextView
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:text="@string/regenerate_keys" />
+                        </TableRow>
+
+                        <TableRow
+                            android:id="@+id/setKeysRow"
+                            style="@style/SelectableItemStyle">
+
+                            <TextView
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:text="@string/set_keys" />
+                        </TableRow>
+
                         <TableRow
                             android:id="@+id/resetConfigurationRow"
                             style="@style/SelectableItemStyle">

app/src/main/res/layout/dialog_addpeer.xml

@@ -16,7 +16,7 @@
             android:id="@+id/textView2"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:text="Enter the full URI of the peer to add. Yggdrasil will automatically connect to this peer when started." />
+            android:text="@string/add_peer_help" />
 
         <com.google.android.material.textfield.TextInputLayout
             android:layout_width="match_parent"

app/src/main/res/layout/dialog_set_keys.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:paddingLeft="10pt"
+        android:paddingRight="10pt"
+        android:paddingTop="4pt"
+        android:paddingBottom="4pt">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/public_key_label" />
+        <EditText
+            android:id="@+id/public_key"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:text="@string/private_key_label" />
+        <EditText
+            android:id="@+id/private_key"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+    </LinearLayout>
+</FrameLayout>

app/src/main/res/values-ru/strings.xml

@@ -38,6 +38,7 @@
     <string name="peers_no_connected_title">Нет подключенных пиров</string>
     <string name="peers_connected_title">Подключенные пиры</string>
     <string name="settings_warning_title">Внимание</string>
+    <string name="settings_config">Конфигурация</string>
     <string name="settings_reset">Сброс</string>
     <string name="main_status">Состояние</string>
     <string name="main_enable_yggdrasil">Включить Yggdrasil</string>
@@ -64,6 +65,7 @@
     <string name="node_info_hint">Эта информация публична и может появиться на картах сети.</string>
     <string name="public_key">Публичный ключ</string>
     <string name="public_key_hint">Ваш публичный ключ идентифицирует вас в сети. Его распространение безопасно.</string>
+    <string name="regenerate_keys">Сбросить ключи (и адрес IPv6)</string>
     <string name="reset_configuration">Сбросить настройки</string>
     <string name="reset_configuration_hint">Сброс создаст полностью новые настройки. Это изменит ваш публичный ключ и адрес IP.</string>
     <string name="tile_disabled">Выключено</string>
@@ -76,4 +78,9 @@
     <string name="channel_name">Сервис VPN</string>
     <string name="channel_description">Главный канал нотификаций сервиса</string>
     <string name="permission_notification_text">Нажмите здесь чтобы включить Yggdrasil.</string>
+    <string name="add_peer_help">Введите полный URI пира для добавления. Yggdrasil будет автоматически подключаться к нему при запуске.</string>
+    <string name="public_key_label">Публичный ключ:</string>
+    <string name="private_key_label">Приватный ключ:</string>
+    <string name="set_keys">Установить свои ключи</string>
+    <string name="save">Сохранить</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -38,6 +38,7 @@
     <string name="peers_no_connected_title">No peers currently connected</string>
     <string name="peers_connected_title">Connected Peers</string>
     <string name="settings_warning_title">Warning</string>
+    <string name="settings_config">Config</string>
     <string name="settings_reset">Reset</string>
     <string name="main_status">Status</string>
     <string name="main_enable_yggdrasil">Enable Yggdrasil</string>
@@ -64,6 +65,7 @@
     <string name="node_info_hint">Information entered here is public and may be shown on network maps.</string>
     <string name="public_key">Public Key</string>
     <string name="public_key_hint">Your public key forms your identity on the network. It is safe to be shared.</string>
+    <string name="regenerate_keys">Regenerate keys (and IPv6-address)</string>
     <string name="reset_configuration">Reset configuration</string>
     <string name="reset_configuration_hint">Resetting will overwrite with newly generated configuration. Your public keys and IP address on the network will change.</string>
     <string name="tile_disabled">Disabled</string>
@@ -76,4 +78,9 @@
     <string name="channel_name">VPN Service</string>
     <string name="channel_description">Main channel for foreground notification</string>
     <string name="permission_notification_text">Tap here to enable Yggdrasil.</string>
+    <string name="add_peer_help">Enter the full URI of the peer to add. Yggdrasil will automatically connect to this peer when started.</string>
+    <string name="public_key_label">Public key:</string>
+    <string name="private_key_label">Private key:</string>
+    <string name="set_keys">Set your own keys</string>
+    <string name="save">Save</string>
 </resources>