1 files changed, 145 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/activities/ConfigureActivity.kt b/app/src/main/java/org/pacien/tincapp/activities/ConfigureActivity.kt
new file mode 100644
index 0000000..2aab304
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/activities/ConfigureActivity.kt
@@ -0,0 +1,145 @@
+/*
+ * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
+ * Copyright (C) 2017-2018 Pacien TRAN-GIRARD
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package org.pacien.tincapp.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.support.annotation.StringRes
+import android.support.v7.app.AlertDialog
+import android.view.View
+import com.google.zxing.integration.android.IntentIntegrator
+import com.google.zxing.integration.android.IntentResult
+import java8.util.concurrent.CompletableFuture
+import kotlinx.android.synthetic.main.base.*
+import kotlinx.android.synthetic.main.dialog_encrypt_decrypt_keys.view.*
+import kotlinx.android.synthetic.main.dialog_network_generate.view.*
+import kotlinx.android.synthetic.main.dialog_network_join.view.*
+import kotlinx.android.synthetic.main.page_configure.*
+import org.pacien.tincapp.R
+import org.pacien.tincapp.commands.Tinc
+import org.pacien.tincapp.commands.TincApp
+import org.pacien.tincapp.context.AppPaths
+import org.pacien.tincapp.extensions.Java.exceptionallyAccept
+import java.util.regex.Pattern
+
+/**
+ * @author pacien
+ */
+class ConfigureActivity : BaseActivity() {
+  companion object {
+    private val NETWORK_NAME_PATTERN = Pattern.compile("^[^\\x00/]*$")
+  }
+
+  private var joinDialog: View? = null
+
+  override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+    super.onActivityResult(requestCode, resultCode, data)
+
+    IntentIntegrator.parseActivityResult(requestCode, resultCode, data)
+      ?.let(IntentResult::getContents)
+      ?.let(String::trim)
+      ?.let { joinDialog?.invitation_url?.setText(it) }
+  }
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    supportActionBar!!.setDisplayHomeAsUpEnabled(true)
+    layoutInflater.inflate(R.layout.page_configure, main_content)
+    writeContent()
+  }
+
+  fun scanCode(@Suppress("UNUSED_PARAMETER") v: View) {
+    IntentIntegrator(this).initiateScan()
+  }
+
+  fun openGenerateConfDialog(@Suppress("UNUSED_PARAMETER") v: View) {
+    val genDialog = layoutInflater.inflate(R.layout.dialog_network_generate, main_content, false)
+    AlertDialog.Builder(this).setTitle(R.string.title_new_network).setView(genDialog)
+      .setPositiveButton(R.string.action_create) { _, _ ->
+        generateConf(
+          genDialog.new_net_name.text.toString(),
+          genDialog.new_node_name.text.toString(),
+          genDialog.new_passphrase.text.toString())
+      }.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
+  }
+
+  fun openJoinNetworkDialog(@Suppress("UNUSED_PARAMETER") v: View) {
+    joinDialog = layoutInflater.inflate(R.layout.dialog_network_join, main_content, false)
+    AlertDialog.Builder(this).setTitle(R.string.title_join_network).setView(joinDialog)
+      .setPositiveButton(R.string.action_join) { _, _ ->
+        joinNetwork(
+          joinDialog!!.net_name.text.toString(),
+          joinDialog!!.invitation_url.text.toString(),
+          joinDialog!!.join_passphrase.text.toString())
+      }.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
+  }
+
+  fun openEncryptDecryptPrivateKeyDialog(@Suppress("UNUSED_PARAMETER") v: View) {
+    val encryptDecryptDialog = layoutInflater.inflate(R.layout.dialog_encrypt_decrypt_keys, main_content, false)
+    AlertDialog.Builder(this).setTitle(R.string.title_private_keys_encryption).setView(encryptDecryptDialog)
+      .setPositiveButton(R.string.action_apply) { _, _ ->
+        encryptDecryptPrivateKeys(
+          encryptDecryptDialog!!.enc_dec_net_name.text.toString(),
+          encryptDecryptDialog.enc_dec_current_passphrase.text.toString(),
+          encryptDecryptDialog.enc_dec_new_passphrase.text.toString())
+      }.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
+  }
+
+  private fun writeContent() {
+    text_configuration_directory.text = AppPaths.confDir().absolutePath
+    text_log_directory.text = AppPaths.cacheDir().absolutePath
+    text_tinc_binary.text = AppPaths.tinc().absolutePath
+  }
+
+  private fun generateConf(netName: String, nodeName: String, passphrase: String? = null) = execAction(
+    R.string.message_generating_configuration,
+    validateNetName(netName)
+      .thenCompose { Tinc.init(netName, nodeName) }
+      .thenCompose { TincApp.removeScripts(netName) }
+      .thenCompose { TincApp.generateIfaceCfgTemplate(netName) }
+      .thenCompose { TincApp.setPassphrase(netName, newPassphrase = passphrase) })
+
+  private fun joinNetwork(netName: String, url: String, passphrase: String? = null) = execAction(
+    R.string.message_joining_network,
+    validateNetName(netName)
+      .thenCompose { Tinc.join(netName, url) }
+      .thenCompose { TincApp.removeScripts(netName) }
+      .thenCompose { TincApp.generateIfaceCfg(netName) }
+      .thenCompose { TincApp.setPassphrase(netName, newPassphrase = passphrase) })
+
+  private fun encryptDecryptPrivateKeys(netName: String, currentPassphrase: String, newPassphrase: String) = execAction(
+    R.string.message_encrypting_decrypting_private_keys,
+    validateNetName(netName)
+      .thenCompose { TincApp.setPassphrase(netName, currentPassphrase, newPassphrase) })
+
+  private fun execAction(@StringRes label: Int, action: CompletableFuture<Unit>) {
+    showProgressDialog(label).let { progressDialog ->
+      action
+        .whenComplete { _, _ -> progressDialog.dismiss() }
+        .thenAccept { notify(R.string.message_network_configuration_written) }
+        .exceptionallyAccept { runOnUiThread { showErrorDialog(it.cause!!.localizedMessage) } }
+    }
+  }
+
+  private fun validateNetName(netName: String): CompletableFuture<Unit> =
+    if (NETWORK_NAME_PATTERN.matcher(netName).matches())
+      CompletableFuture.completedFuture(Unit)
+    else
+      CompletableFuture.failedFuture(IllegalArgumentException(resources.getString(R.string.message_invalid_network_name)))
+}