passepartout-apple/Passepartout/Sources/Model/TransientStore.swift

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//
// TransientStore.swift
// Passepartout
//
// Created by Davide De Rosa on 7/16/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// 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 TunnelKit
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import SwiftyBeaver
private let log = SwiftyBeaver.self
public class TransientStore {
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private struct Keys {
static let didHandleSubreddit = "DidHandleSubreddit"
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static let masksPrivateData = "MasksPrivateData"
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}
public static let shared = TransientStore()
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private static var serviceURL: URL {
return GroupConstants.App.documentsURL.appendingPathComponent(AppConstants.Store.serviceFilename)
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}
public let service: ConnectionService
public static var didHandleSubreddit: Bool {
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get {
return UserDefaults.standard.bool(forKey: Keys.didHandleSubreddit)
}
set {
UserDefaults.standard.set(newValue, forKey: Keys.didHandleSubreddit)
}
}
public static var masksPrivateData: Bool {
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get {
return UserDefaults.standard.bool(forKey: Keys.masksPrivateData)
}
set {
UserDefaults.standard.set(newValue, forKey: Keys.masksPrivateData)
}
}
public static var baseVPNConfiguration: TunnelKitProvider.ConfigurationBuilder {
let sessionBuilder = SessionProxy.ConfigurationBuilder(ca: CryptoContainer(pem: ""))
var builder = TunnelKitProvider.ConfigurationBuilder(sessionConfiguration: sessionBuilder.build())
builder.mtu = 1250
builder.shouldDebug = true
// builder.debugLogFormat = "$Dyyyy-MM-dd HH:mm:ss.SSS$d $L $N.$F:$l - $M"
// builder.debugLogFormat = "$DHH:mm:ss$d $N.$F:$l - $M"
builder.debugLogFormat = AppConstants.Log.debugFormat
builder.masksPrivateData = masksPrivateData
return builder
}
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private init() {
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UserDefaults.standard.register(defaults: [
Keys.didHandleSubreddit: false,
Keys.masksPrivateData: true
])
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TransientStore.migrateDocumentsToAppGroup()
// this must be graceful
ConnectionService.migrateJSON(from: TransientStore.serviceURL, to: TransientStore.serviceURL)
let cfg = TransientStore.baseVPNConfiguration.build()
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do {
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let data = try Data(contentsOf: TransientStore.serviceURL)
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if let content = String(data: data, encoding: .utf8) {
log.verbose("Service JSON:")
log.verbose(content)
}
service = try JSONDecoder().decode(ConnectionService.self, from: data)
service.baseConfiguration = cfg
service.loadProfiles()
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} catch let e {
log.error("Could not decode service: \(e)")
service = ConnectionService(
withAppGroup: GroupConstants.App.appGroup,
baseConfiguration: cfg
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)
// // hardcoded loading
// _ = service.addProfile(ProviderConnectionProfile(name: .pia), credentials: nil)
// _ = service.addProfile(HostConnectionProfile(title: "vps"), credentials: Credentials(username: "foo", password: "bar"))
// service.activateProfile(service.profiles.first!)
}
}
public func serialize(withProfiles: Bool) {
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try? JSONEncoder().encode(service).write(to: TransientStore.serviceURL)
if withProfiles {
service.saveProfiles()
}
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}
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//
private static func migrateDocumentsToAppGroup() {
var hasMigrated = false
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let oldDocumentsURL = FileManager.default.userURL(for: .documentDirectory, appending: nil)
let newDocumentsURL = GroupConstants.App.documentsURL
log.debug("App documentsURL: \(oldDocumentsURL)")
log.debug("Group documentsURL: \(newDocumentsURL)")
let fm = FileManager.default
do {
for c in try fm.contentsOfDirectory(atPath: oldDocumentsURL.path) {
guard c != "Inbox" else {
continue
}
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let old = oldDocumentsURL.appendingPathComponent(c)
let new = newDocumentsURL.appendingPathComponent(c)
log.verbose("Move:")
log.verbose("\tFROM: \(old)")
log.verbose("\tTO: \(new)")
try fm.moveItem(at: old, to: new)
hasMigrated = true
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}
} catch let e {
hasMigrated = false
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log.error("Could not migrate documents to App Group: \(e)")
}
if hasMigrated {
log.debug("Documents migrated to App Group")
}
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}
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}