1 files changed, 63 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/context/ConfigurationDirectoryMigrator.kt b/app/src/main/java/org/pacien/tincapp/context/ConfigurationDirectoryMigrator.kt
new file mode 100644
index 0000000..6ea914c
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/context/ConfigurationDirectoryMigrator.kt
@@ -0,0 +1,63 @@
+/*
+ * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
+ * Copyright (C) 2017-2020 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.context
+
+import org.apache.commons.io.FileExistsException
+import org.apache.commons.io.FileUtils
+import org.slf4j.LoggerFactory
+
+/**
+ * Migrates the configuration from the external storage (used before version 0.32) to the internal storage.
+ *
+ * @author pacien
+ */
+class ConfigurationDirectoryMigrator {
+  private val log by lazy { LoggerFactory.getLogger(this.javaClass)!! }
+  private val context by lazy { App.getContext() }
+  private val paths = AppPaths
+
+  fun migrate() {
+    migrateConfigurationDirectory()
+    migrateLogDirectory()
+  }
+
+  private fun migrateConfigurationDirectory() {
+    val oldConfigDir = context.getExternalFilesDir(null)
+    if (oldConfigDir == null || oldConfigDir.listFiles().isNullOrEmpty()) return // nothing to do
+
+    log.info("Configuration files present in old configuration directory at {}.", oldConfigDir.absolutePath)
+    for (oldConfig in oldConfigDir.listFiles() ?: emptyArray()) {
+      try {
+        log.info("Migrating {} to {}", oldConfig.absolutePath, paths.confDir())
+        FileUtils.moveToDirectory(oldConfig, paths.confDir(), true)
+      } catch (e: FileExistsException) {
+        log.warn("Could not migrate {}: target already exists.", oldConfig.absolutePath)
+      }
+    }
+  }
+
+  private fun migrateLogDirectory() {
+    val oldLogDir = context.externalCacheDir
+    if (oldLogDir == null || oldLogDir.listFiles().isNullOrEmpty()) return // nothing to do
+
+    // There's no point moving the log files. Let's delete those instead.
+    log.info("Clearing old cache directory at {}", oldLogDir.absolutePath)
+    FileUtils.cleanDirectory(oldLogDir)
+  }
+}