109 lines
3.7 KiB
Swift
109 lines
3.7 KiB
Swift
//
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// ConnectionService+Migration.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 10/25/18.
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// Copyright (c) 2018 Davide De Rosa. All rights reserved.
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//
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// https://github.com/keeshux
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import SwiftyBeaver
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private let log = SwiftyBeaver.self
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extension ConnectionService {
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static func migrateJSON(at from: URL, to: URL) {
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do {
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let newData = try migrateJSON(at: from)
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// log.verbose(String(data: newData, encoding: .utf8)!)
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try newData.write(to: to)
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} catch let e {
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log.warning("Could not migrate service: \(e)")
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}
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}
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static func migrateJSON(at from: URL) throws -> Data {
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let data = try Data(contentsOf: from)
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guard var json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any] else {
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throw ApplicationError.migration
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}
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// replace migration logic here
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try migrateToWrappedSessionConfiguration(&json)
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return try JSONSerialization.data(withJSONObject: json, options: [])
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}
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private static func migrateToWrappedSessionConfiguration(_ json: inout [String: Any]) throws {
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guard let profiles = json["profiles"] as? [[String: Any]] else {
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throw ApplicationError.migration
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}
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var newProfiles: [[String: Any]] = []
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for var container in profiles {
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guard var hostProfile = container["host"] as? [String: Any] else {
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newProfiles.append(container)
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continue
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}
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guard var parameters = hostProfile["parameters"] as? [String: Any] else {
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throw ApplicationError.migration
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}
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guard parameters["sessionConfiguration"] == nil else {
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newProfiles.append(container)
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continue
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}
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migrateSessionConfiguration(in: ¶meters)
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hostProfile["parameters"] = parameters
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container["host"] = hostProfile
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newProfiles.append(container)
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}
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json["profiles"] = newProfiles
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}
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private static func migrateSessionConfiguration(in map: inout [String: Any]) {
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let scKeys = [
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"cipher",
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"digest",
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"ca",
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"clientCertificate",
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"clientKey",
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"compressionFraming",
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"tlsWrap",
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// "keepAliveSeconds", // renamed
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// "renegotiatesAfterSeconds", // renamed
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"usesPIAPatches"
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]
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var sessionConfiguration: [String: Any] = [:]
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for key in scKeys {
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guard let value = map[key] else {
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continue
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}
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sessionConfiguration[key] = value
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map.removeValue(forKey: key)
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}
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if let value = map["keepAliveSeconds"] {
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sessionConfiguration["keepAliveInterval"] = value
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}
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if let value = map["renegotiatesAfterSeconds"] {
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sessionConfiguration["renegotiatesAfter"] = value
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}
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map["sessionConfiguration"] = sessionConfiguration
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}
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}
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