LegacyConfig: Remove and support plaintext for .mobileconfig

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 0 insertions, 205 deletions

diff --git a/WireGuard/Shared/Model/LegacyConfigMigration.swift b/WireGuard/Shared/Model/LegacyConfigMigration.swift
deleted file mode 100644
index 583e914..0000000
--- a/WireGuard/Shared/Model/LegacyConfigMigration.swift
+++ /dev/null
@@ -1,205 +0,0 @@
-// SPDX-License-Identifier: MIT
-// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
-
-import Foundation
-import Network
-import NetworkExtension
-
-protocol LegacyModel: Decodable {
-    associatedtype Model
-
-    var migrated: Model { get }
-}
-
-struct LegacyDNSServer: LegacyModel {
-    let address: IPAddress
-
-    var migrated: DNSServer {
-        return DNSServer(address: address)
-    }
-
-    init(from decoder: Decoder) throws {
-        let container = try decoder.singleValueContainer()
-        var data = try container.decode(Data.self)
-        let ipAddressFromData: IPAddress? = {
-            switch data.count {
-            case 4: return IPv4Address(data)
-            case 16: return IPv6Address(data)
-            default: return nil
-            }
-        }()
-        guard let ipAddress = ipAddressFromData else {
-            throw DecodingError.invalidData
-        }
-        address = ipAddress
-    }
-
-    enum DecodingError: Error {
-        case invalidData
-    }
-}
-
-extension Array where Element == LegacyDNSServer {
-    var migrated: [DNSServer] {
-        return map { $0.migrated }
-    }
-}
-
-struct LegacyEndpoint: LegacyModel {
-    let host: Network.NWEndpoint.Host
-    let port: Network.NWEndpoint.Port
-
-    var migrated: Endpoint {
-        return Endpoint(host: host, port: port)
-    }
-
-    public init(from decoder: Decoder) throws {
-        let container = try decoder.singleValueContainer()
-        let endpointString = try container.decode(String.self)
-        guard !endpointString.isEmpty else { throw DecodingError.invalidData }
-        let startOfPort: String.Index
-        let hostString: String
-        if endpointString.first! == "[" {
-            // Look for IPv6-style endpoint, like [::1]:80
-            let startOfHost = endpointString.index(after: endpointString.startIndex)
-            guard let endOfHost = endpointString.dropFirst().firstIndex(of: "]") else { throw DecodingError.invalidData }
-            let afterEndOfHost = endpointString.index(after: endOfHost)
-            guard endpointString[afterEndOfHost] == ":" else { throw DecodingError.invalidData }
-            startOfPort = endpointString.index(after: afterEndOfHost)
-            hostString = String(endpointString[startOfHost ..< endOfHost])
-        } else {
-            // Look for an IPv4-style endpoint, like 127.0.0.1:80
-            guard let endOfHost = endpointString.firstIndex(of: ":") else { throw DecodingError.invalidData }
-            startOfPort = endpointString.index(after: endOfHost)
-            hostString = String(endpointString[endpointString.startIndex ..< endOfHost])
-        }
-        guard let endpointPort = NWEndpoint.Port(String(endpointString[startOfPort ..< endpointString.endIndex])) else { throw DecodingError.invalidData }
-        let invalidCharacterIndex = hostString.unicodeScalars.firstIndex { char in
-            return !CharacterSet.urlHostAllowed.contains(char)
-        }
-        guard invalidCharacterIndex == nil else { throw DecodingError.invalidData }
-        host = NWEndpoint.Host(hostString)
-        port = endpointPort
-    }
-
-    enum DecodingError: Error {
-        case invalidData
-    }
-}
-
-struct LegacyInterfaceConfiguration: LegacyModel {
-    let name: String
-    let privateKey: Data
-    let addresses: [LegacyIPAddressRange]
-    let listenPort: UInt16?
-    let mtu: UInt16?
-    let dns: [LegacyDNSServer]
-
-    var migrated: InterfaceConfiguration {
-        var interface = InterfaceConfiguration(privateKey: privateKey)
-        interface.addresses = addresses.migrated
-        interface.listenPort = listenPort
-        interface.mtu = mtu
-        interface.dns = dns.migrated
-        return interface
-    }
-}
-
-struct LegacyIPAddressRange: LegacyModel {
-    let address: IPAddress
-    let networkPrefixLength: UInt8
-
-    var migrated: IPAddressRange {
-        return IPAddressRange(address: address, networkPrefixLength: networkPrefixLength)
-    }
-
-    public init(from decoder: Decoder) throws {
-        let container = try decoder.singleValueContainer()
-        var data = try container.decode(Data.self)
-        networkPrefixLength = data.removeLast()
-        let ipAddressFromData: IPAddress? = {
-            switch data.count {
-            case 4: return IPv4Address(data)
-            case 16: return IPv6Address(data)
-            default: return nil
-            }
-        }()
-        guard let ipAddress = ipAddressFromData else { throw DecodingError.invalidData }
-        address = ipAddress
-    }
-
-    enum DecodingError: Error {
-        case invalidData
-    }
-}
-
-extension Array where Element == LegacyIPAddressRange {
-    var migrated: [IPAddressRange] {
-        return map { $0.migrated }
-    }
-}
-
-struct LegacyPeerConfiguration: LegacyModel {
-    let publicKey: Data
-    let preSharedKey: Data?
-    let allowedIPs: [LegacyIPAddressRange]
-    let endpoint: LegacyEndpoint?
-    let persistentKeepAlive: UInt16?
-
-    var migrated: PeerConfiguration {
-        var configuration = PeerConfiguration(publicKey: publicKey)
-        configuration.preSharedKey = preSharedKey
-        configuration.allowedIPs = allowedIPs.migrated
-        configuration.endpoint = endpoint?.migrated
-        configuration.persistentKeepAlive = persistentKeepAlive
-        return configuration
-    }
-}
-
-extension Array where Element == LegacyPeerConfiguration {
-    var migrated: [PeerConfiguration] {
-        return map { $0.migrated }
-    }
-}
-
-final class LegacyTunnelConfiguration: LegacyModel {
-    let interface: LegacyInterfaceConfiguration
-    let peers: [LegacyPeerConfiguration]
-
-    var migrated: TunnelConfiguration {
-        return TunnelConfiguration(name: interface.name, interface: interface.migrated, peers: peers.migrated)
-    }
-}
-
-extension NETunnelProviderProtocol {
-
-    @discardableResult
-    func migrateConfigurationIfNeeded(called name: String) -> Bool {
-        var ret = false
-        if migrateFromConfigurationV1() {
-            ret = true
-        }
-        if migrateFromConfigurationV2(called: name) {
-            ret = true
-        }
-        return ret
-    }
-
-    private func migrateFromConfigurationV1() -> Bool {
-        guard let configurationVersion = providerConfiguration?["tunnelConfigurationVersion"] as? Int else { return false }
-        guard configurationVersion == 1 else { return false }
-        guard let serializedTunnelConfiguration = providerConfiguration?["tunnelConfiguration"] as? Data else { return false }
-        guard let configuration = try? JSONDecoder().decode(LegacyTunnelConfiguration.self, from: serializedTunnelConfiguration) else { return false }
-        providerConfiguration = ["WgQuickConfig": configuration.migrated.asWgQuickConfig()]
-        return true
-    }
-
-    private func migrateFromConfigurationV2(called name: String) -> Bool {
-        guard let oldConfig = providerConfiguration?["WgQuickConfig"] as? String else { return false }
-        providerConfiguration = nil
-        guard passwordReference == nil else { return true }
-        passwordReference = Keychain.makeReference(containing: oldConfig, called: name)
-        return true
-    }
-
-}