passepartout-apple/PassepartoutLibrary/Sources/PassepartoutProviders/Repositories/PresetMapper.swift

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2022-04-12 13:09:14 +00:00
//
// PresetMapper.swift
// Passepartout
//
// Created by Davide De Rosa on 3/14/22.
// Copyright (c) 2022 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout 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.
//
// Passepartout 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 Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import Foundation
import CoreData
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import PassepartoutCore
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import PassepartoutServices
import PassepartoutUtils
import GenericJSON
struct PresetMapper: DTOMapper, ModelMapper {
private let context: NSManagedObjectContext
init(_ context: NSManagedObjectContext) {
self.context = context
}
func toDTO(_ ws: WSProviderPreset) -> CDInfrastructurePreset {
let preset = CDInfrastructurePreset(context: context)
preset.id = ws.id
preset.name = ws.name
preset.comment = ws.comment
if let ovpn = ws.encodedOpenVPNConfiguration {
preset.vpnProtocol = VPNProtocolType.openVPN.rawValue
preset.vpnConfiguration = ovpn
} else if let wg = ws.encodedWireGuardConfiguration {
preset.vpnProtocol = VPNProtocolType.wireGuard.rawValue
preset.vpnConfiguration = wg
}
return preset
}
static func toModel(_ dto: CDInfrastructurePreset) -> ProviderServer.Preset? {
guard let id = dto.id,
let name = dto.name,
let comment = dto.comment,
let vpnProtocolString = dto.vpnProtocol,
let vpnProtocol = VPNProtocolType(rawValue: vpnProtocolString),
let vpnConfiguration = dto.decodedConfiguration else {
Utils.assertCoreDataDecodingFailed(#file, #function, #line)
return nil
}
return ProviderServer.Preset(
id: id,
name: name,
comment: comment,
vpnProtocol: vpnProtocol,
vpnConfiguration: vpnConfiguration
)
}
}
private extension WSProviderPreset {
var encodedOpenVPNConfiguration: Data? {
return try? jsonOpenVPNConfiguration?.encoded()
}
var encodedWireGuardConfiguration: Data? {
return try? jsonWireGuardConfiguration?.encoded()
}
}
private extension CDInfrastructurePreset {
var decodedConfiguration: JSON? {
guard let configuration = vpnConfiguration else {
return nil
}
do {
let raw = try JSONSerialization.jsonObject(with: configuration)
return try JSON(raw)
} catch {
pp_log.error("Unable to decode vpnConfiguration: \(error)")
return nil
}
}
}