1 files changed, 92 insertions, 0 deletions

diff --git a/app/src/main/kotlin/org/pacien/tincapp/data/VpnInterfaceConfiguration.kt b/app/src/main/kotlin/org/pacien/tincapp/data/VpnInterfaceConfiguration.kt
new file mode 100644
index 0000000..26a194c
--- /dev/null
+++ b/app/src/main/kotlin/org/pacien/tincapp/data/VpnInterfaceConfiguration.kt
@@ -0,0 +1,92 @@
+/*
+ * 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.data
+
+import org.apache.commons.configuration2.Configuration
+import org.apache.commons.configuration2.FileBasedConfiguration
+import org.apache.commons.configuration2.PropertiesConfiguration
+import org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder
+import org.apache.commons.configuration2.builder.fluent.Configurations
+import org.apache.commons.configuration2.builder.fluent.Parameters
+import org.pacien.tincapp.extensions.ApacheConfiguration.getCidrList
+import org.pacien.tincapp.extensions.ApacheConfiguration.getIntList
+import org.pacien.tincapp.extensions.ApacheConfiguration.getStringList
+import org.pacien.tincapp.extensions.Java.applyIgnoringException
+import java.io.File
+
+/**
+ * @author pacien
+ */
+data class VpnInterfaceConfiguration(val addresses: List<CidrAddress> = emptyList(),
+                                     val routes: List<CidrAddress> = emptyList(),
+                                     val dnsServers: List<String> = emptyList(),
+                                     val searchDomains: List<String> = emptyList(),
+                                     val allowedApplications: List<String> = emptyList(),
+                                     val disallowedApplications: List<String> = emptyList(),
+                                     val allowedFamilies: List<Int> = emptyList(),
+                                     val allowBypass: Boolean = false,
+                                     val blocking: Boolean = false,
+                                     val mtu: Int? = null) {
+  companion object {
+    private const val KEY_ADDRESSES = "Address"
+    private const val KEY_ROUTES = "Route"
+    private const val KEY_DNS_SERVERS = "DNSServer"
+    private const val KEY_SEARCH_DOMAINS = "SearchDomain"
+    private const val KEY_ALLOWED_APPLICATIONS = "AllowApplication"
+    private const val KEY_DISALLOWED_APPLICATIONS = "DisallowApplication"
+    private const val KEY_ALLOWED_FAMILIES = "AllowFamily"
+    private const val KEY_ALLOW_BYPASS = "AllowBypass"
+    private const val KEY_BLOCKING = "Blocking"
+    private const val KEY_MTU = "MTU"
+
+    private const val INVITATION_KEY_ADDRESSES = "Ifconfig"
+    private const val INVITATION_KEY_ROUTES = "Route"
+
+    fun fromIfaceConfiguration(f: File) = fromIfaceConfiguration(Configurations().properties(f))
+    private fun fromIfaceConfiguration(c: Configuration) = VpnInterfaceConfiguration(
+      c.getCidrList(KEY_ADDRESSES),
+      c.getCidrList(KEY_ROUTES),
+      c.getStringList(KEY_DNS_SERVERS),
+      c.getStringList(KEY_SEARCH_DOMAINS),
+      c.getStringList(KEY_ALLOWED_APPLICATIONS),
+      c.getStringList(KEY_DISALLOWED_APPLICATIONS),
+      c.getIntList(KEY_ALLOWED_FAMILIES),
+      c.getBoolean(KEY_ALLOW_BYPASS, false),
+      c.getBoolean(KEY_BLOCKING, false),
+      c.getInteger(KEY_MTU, null))
+
+    fun fromInvitation(f: File) = fromInvitation(Configurations().properties(f))
+    private fun fromInvitation(c: Configuration) = VpnInterfaceConfiguration(
+      c.getStringList(INVITATION_KEY_ADDRESSES)
+        .map { applyIgnoringException(CidrAddress.Companion::fromSlashSeparated, it) }
+        .filterNotNull(),
+      c.getStringList(INVITATION_KEY_ROUTES)
+        .map { it.substringBefore(' ') }
+        .map { CidrAddress.fromSlashSeparated(it) })
+  }
+
+  fun write(f: File) = FileBasedConfigurationBuilder<FileBasedConfiguration>(PropertiesConfiguration::class.java)
+    .configure(Parameters().properties().setFile(f.apply { createNewFile() })).let { builder ->
+      builder.configuration.let { cfg ->
+        addresses.forEach { cfg.addProperty(KEY_ADDRESSES, it.toSlashSeparated()) }
+        routes.forEach { cfg.addProperty(KEY_ROUTES, it.toSlashSeparated()) }
+      }
+      builder.save()
+    }
+}