38 lines
1.3 KiB
Kotlin
38 lines
1.3 KiB
Kotlin
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package org.thoughtcrime.securesms.util
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import android.content.Context
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import network.loki.messenger.R
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import org.thoughtcrime.securesms.database.DatabaseFactory
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import org.thoughtcrime.securesms.database.model.BackupFileRecord
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import org.whispersystems.libsignal.util.ByteUtil
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import java.security.SecureRandom
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import java.util.*
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object BackupUtil {
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@JvmStatic
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fun getLastBackupTimeString(context: Context, locale: Locale): String {
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val timestamp = DatabaseFactory.getLokiBackupFilesDatabase(context).getLastBackupFileTime()
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if (timestamp == null) {
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return context.getString(R.string.BackupUtil_never)
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}
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return DateUtils.getExtendedRelativeTimeSpanString(context, locale, timestamp.time)
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}
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@JvmStatic
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fun getLastBackup(context: Context): BackupFileRecord? {
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return DatabaseFactory.getLokiBackupFilesDatabase(context).getLastBackupFile()
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}
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@JvmStatic
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fun generateBackupPassphrase(): Array<String> {
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val result = arrayOfNulls<String>(6)
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val random = ByteArray(30)
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SecureRandom().nextBytes(random)
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for (i in 0..5) {
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result[i] = String.format("%05d", ByteUtil.byteArray5ToLong(random, i * 5) % 100000)
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}
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@Suppress("UNCHECKED_CAST")
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return result as Array<String>
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}
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}
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