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/*
* Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
* Copyright (C) 2017-2023 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.pacien.tincapp.extensions.Java.defaultMessage
import org.slf4j.LoggerFactory
import java.io.IOException
/**
* Migrates the configuration from the private storage (used before version 0.38) to the
* user-accessible storage (through the USB storage mode).
*
* @author pacien
*/
class StorageMigrator {
private val log by lazy { LoggerFactory.getLogger(this.javaClass)!! }
private val context by lazy { App.getContext() }
fun migrate() {
migrateConfigurationDirectory()
migrateLogDirectory()
}
private fun migrateConfigurationDirectory() {
val oldConfigDir = context.filesDir
if (oldConfigDir == null || oldConfigDir.listFiles().isNullOrEmpty()) return // nothing to do
try {
val newConfigDir = context.getExternalFilesDir(null)!!
log.info(
"Migrating files present in old configuration directory at {} to {}",
oldConfigDir.absolutePath,
newConfigDir.absolutePath
)
oldConfigDir.copyRecursively(newConfigDir, overwrite = false)
oldConfigDir.deleteRecursively()
} catch (e: IOException) {
log.warn("Could not complete configuration directory migration: {}", e.defaultMessage())
}
}
private fun migrateLogDirectory() {
val oldLogDir = context.cacheDir
if (oldLogDir == null || oldLogDir.listFiles().isNullOrEmpty()) return // nothing to do
try {
// There's no point moving the log files. Let's delete those instead.
log.info("Clearing old cache directory at {}", oldLogDir.absolutePath)
oldLogDir.deleteRecursively()
} catch (e: IOException) {
log.warn("Could not remove old cache directory: {}", e.defaultMessage())
}
}
}
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