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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 val KEY_ADDRESSES = "Address"
private val KEY_ROUTES = "Route"
private val KEY_DNS_SERVERS = "DNSServer"
private val KEY_SEARCH_DOMAINS = "SearchDomain"
private val KEY_ALLOWED_APPLICATIONS = "AllowApplication"
private val KEY_DISALLOWED_APPLICATIONS = "DisallowApplication"
private val KEY_ALLOWED_FAMILIES = "AllowFamily"
private val KEY_ALLOW_BYPASS = "AllowBypass"
private val KEY_BLOCKING = "Blocking"
private val KEY_MTU = "MTU"
private val INVITATION_KEY_ADDRESSES = "Ifconfig"
private val INVITATION_KEY_ROUTES = "Route"
fun fromIfaceConfiguration(f: File) = fromIfaceConfiguration(Configurations().properties(f))
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))
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()
}
}
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