wireguard-apple/WireGuard/Models/Interface+Extension.swift

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//
// Interface+Extension.swift
// WireGuard
//
// Created by Eric Kuck on 8/15/18.
// Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All rights reserved.
//
import Foundation
extension Interface {
func validate() throws {
guard let privateKey = privateKey, !privateKey.isEmpty else {
throw InterfaceValidationError.emptyPrivateKey
}
guard privateKey.isBase64() else {
throw InterfaceValidationError.invalidPrivateKey
}
try addresses?.commaSeparatedToArray().forEach { address in
do {
try _ = CIDRAddress(stringRepresentation: address)
} catch {
throw InterfaceValidationError.invalidAddress(cause: error)
}
}
try dns?.commaSeparatedToArray().forEach { address in
do {
try _ = Endpoint(endpointString: address)
} catch {
throw InterfaceValidationError.invalidDNSServer(cause: error)
}
}
}
}
enum InterfaceValidationError: Error {
case emptyPrivateKey
case invalidPrivateKey
case invalidAddress(cause: Error)
case invalidDNSServer(cause: Error)
}