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wireguard-apple
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Tunnel creation: Start off with tunnel creation

This commit is contained in:
Roopesh Chander 2018-10-20 19:15:53 +05:30
parent e337427eae
commit bbd13ad4cf
3 changed files with 460 additions and 1 deletions
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4
WireGuard/WireGuard.xcodeproj/project.pbxproj
View File

@ -14,6 +14,7 @@
6F7774E82172020C006A79B3 /* Configuration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774E72172020C006A79B3 /* Configuration.swift */; };
6F7774EA217229DB006A79B3 /* IPAddressRange.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774E9217229DB006A79B3 /* IPAddressRange.swift */; };
6F7774EF21722D97006A79B3 /* TunnelsManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774EE21722D97006A79B3 /* TunnelsManager.swift */; };
6F7774F321774263006A79B3 /* TunnelEditTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774F221774263006A79B3 /* TunnelEditTableViewController.swift */; };
6FF4AC1F211EC472002C96EB /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC1E211EC472002C96EB /* Assets.xcassets */; };
6FF4AC22211EC472002C96EB /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC20211EC472002C96EB /* LaunchScreen.storyboard */; };
6FF4AC472120B9E0002C96EB /* NetworkExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6FF4AC462120B9E0002C96EB /* NetworkExtension.framework */; };
@ -27,6 +28,7 @@
6F7774E72172020C006A79B3 /* Configuration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Configuration.swift; sourceTree = "<group>"; };
6F7774E9217229DB006A79B3 /* IPAddressRange.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IPAddressRange.swift; sourceTree = "<group>"; };
6F7774EE21722D97006A79B3 /* TunnelsManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelsManager.swift; sourceTree = "<group>"; };
6F7774F221774263006A79B3 /* TunnelEditTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelEditTableViewController.swift; sourceTree = "<group>"; };
6FF4AC14211EC46F002C96EB /* WireGuard.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = WireGuard.app; sourceTree = BUILT_PRODUCTS_DIR; };
6FF4AC1E211EC472002C96EB /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
6FF4AC21211EC472002C96EB /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
@ -62,6 +64,7 @@
6F7774E0217181B1006A79B3 /* AppDelegate.swift */,
6F7774DF217181B1006A79B3 /* MainViewController.swift */,
6F7774E321718281006A79B3 /* TunnelsListTableViewController.swift */,
6F7774F221774263006A79B3 /* TunnelEditTableViewController.swift */,
);
path = iOS;
sourceTree = "<group>";
@ -205,6 +208,7 @@
6F7774E2217181B1006A79B3 /* AppDelegate.swift in Sources */,
6F7774EA217229DB006A79B3 /* IPAddressRange.swift in Sources */,
6F7774E82172020C006A79B3 /* Configuration.swift in Sources */,
6F7774F321774263006A79B3 /* TunnelEditTableViewController.swift in Sources */,
6F7774E1217181B1006A79B3 /* MainViewController.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;

451
WireGuard/WireGuard/UI/iOS/TunnelEditTableViewController.swift Normal file
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@ -0,0 +1,451 @@
//
// TunnelEditTableViewController.swift
// WireGuard
//
// Created by Roopesh Chander on 17/10/18.
// Copyright © 2018 WireGuard LLC. All rights reserved.
//
import UIKit
// MARK: TunnelEditTableViewController
class TunnelEditTableViewController: UITableViewController {
// MARK: View model
enum InterfaceEditField: String {
case name = "Name"
case privateKey = "Private key"
case publicKey = "Public key"
case generateKeyPair = "Generate keypair"
case addresses = "Addresses"
case listenPort = "Listen port"
case mtu = "MTU"
case dns = "DNS servers"
}
let interfaceEditFieldsBySection: [[InterfaceEditField]] = [
[.name],
[.privateKey, .publicKey, .generateKeyPair],
[.addresses, .listenPort, .mtu, .dns]
]
enum PeerEditField: String {
case publicKey = "Public key"
case preSharedKey = "Pre-shared key"
case endpoint = "Endpoint"
case persistentKeepAlive = "Persistent Keepalive"
case allowedIPs = "Allowed IPs"
case excludePrivateIPs = "Exclude private IPs"
case deletePeer = "Delete peer"
}
let peerEditFieldsBySection: [[PeerEditField]] = [
[.publicKey, .preSharedKey, .endpoint,
.allowedIPs, .excludePrivateIPs,
.persistentKeepAlive,
.deletePeer]
]
// Scratchpad for entered data
class InterfaceDataSource {
var scratchpad: [InterfaceEditField: (value: String, isValid: Bool)] = [:]
}
class PeerDataSource {
var index: Int
var scratchpad: [PeerEditField: (value: String, isValid: Bool)] = [:]
init(index: Int) {
self.index = index
}
}
var interfaceData: InterfaceDataSource
var peersData: [PeerDataSource]
// MARK: TunnelEditTableViewController methods
init() {
interfaceData = InterfaceDataSource()
peersData = []
super.init(style: .grouped)
self.modalPresentationStyle = .formSheet
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
self.title = "New configuration"
self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .save, target: self, action: #selector(saveTapped))
self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(cancelTapped))
self.tableView.rowHeight = 44
self.tableView.allowsSelection = false
self.tableView.register(TunnelsEditTableViewKeyValueCell.self, forCellReuseIdentifier: TunnelsEditTableViewKeyValueCell.id)
self.tableView.register(TunnelsEditTableViewButtonCell.self, forCellReuseIdentifier: TunnelsEditTableViewButtonCell.id)
self.tableView.register(TunnelsEditTableViewSwitchCell.self, forCellReuseIdentifier: TunnelsEditTableViewSwitchCell.id)
}
@objc func saveTapped() {
print("Save")
}
@objc func cancelTapped() {
dismiss(animated: true, completion: nil)
}
}
// MARK: UITableViewDataSource
extension TunnelEditTableViewController {
override func numberOfSections(in tableView: UITableView) -> Int {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
return numberOfInterfaceSections + (numberOfPeers * numberOfPeerSections) + 1
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
if (section < numberOfInterfaceSections) {
// Interface
return interfaceEditFieldsBySection[section].count
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
return peerEditFieldsBySection[fieldIndex].count
} else {
// Add peer
return 1
}
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
if (section < numberOfInterfaceSections) {
// Interface
return (section == 0) ? "Interface" : nil
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
return (fieldIndex == 0) ? "Peer" : nil
} else {
// Add peer
return nil
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
let section = indexPath.section
let row = indexPath.row
if (section < numberOfInterfaceSections) {
// Interface
let field = interfaceEditFieldsBySection[section][row]
if (field == .generateKeyPair) {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewButtonCell.id, for: indexPath) as! TunnelsEditTableViewButtonCell
cell.buttonText = field.rawValue
cell.onTapped = {
print("Generating keypair is unimplemented") // TODO
}
return cell
} else {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewKeyValueCell.id, for: indexPath) as! TunnelsEditTableViewKeyValueCell
cell.key = field.rawValue
switch (field) {
case .name:
cell.placeholderText = "Required"
case .privateKey:
cell.placeholderText = "Required"
case .publicKey:
cell.isValueEditable = false
case .generateKeyPair:
break
case .addresses:
break
case .listenPort:
break
case .mtu:
cell.placeholderText = "Automatic"
case .dns:
break
}
return cell
}
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
// Peer
let peerIndex = Int((section - numberOfInterfaceSections) / numberOfPeerSections)
let peerSectionIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
let peerData = peersData[peerIndex]
let field = peerEditFieldsBySection[peerSectionIndex][row]
if (field == .deletePeer) {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewButtonCell.id, for: indexPath) as! TunnelsEditTableViewButtonCell
cell.buttonText = field.rawValue
cell.onTapped = { [weak self, weak peerData] in
guard let peerData = peerData else { return }
guard let s = self else { return }
s.showConfirmationAlert(message: "Delete this peer?",
buttonTitle: "Delete", from: cell,
onConfirmed: { [weak s] in
guard let s = s else { return }
let removedSectionIndices = s.deletePeer(peer: peerData)
s.tableView.deleteSections(removedSectionIndices, with: .automatic)
})
}
return cell
} else if (field == .excludePrivateIPs) {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewSwitchCell.id, for: indexPath) as! TunnelsEditTableViewSwitchCell
cell.message = field.rawValue
return cell
} else {
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewKeyValueCell.id, for: indexPath) as! TunnelsEditTableViewKeyValueCell
cell.key = field.rawValue
switch (field) {
case .publicKey:
cell.placeholderText = "Required"
case .preSharedKey:
break
case .endpoint:
break
case .persistentKeepAlive:
cell.hasLongKey = true
break
case .allowedIPs:
break
case .excludePrivateIPs:
break
case .deletePeer:
break
}
return cell
}
} else {
assert(section == (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))
// Add peer
let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsEditTableViewButtonCell.id, for: indexPath) as! TunnelsEditTableViewButtonCell
cell.buttonText = "Add peer"
cell.onTapped = { [weak self] in
guard let s = self else { return }
let addedSectionIndices = s.appendEmptyPeer()
tableView.insertSections(addedSectionIndices, with: .automatic)
}
return cell
}
}
func appendEmptyPeer() -> IndexSet {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
let peer = PeerDataSource(index: peersData.count)
peersData.append(peer)
let firstAddedSectionIndex = (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections)
let addedSectionIndices = IndexSet(integersIn: firstAddedSectionIndex ..< firstAddedSectionIndex + numberOfPeerSections)
return addedSectionIndices
}
func deletePeer(peer: PeerDataSource) -> IndexSet {
let numberOfInterfaceSections = interfaceEditFieldsBySection.count
let numberOfPeerSections = peerEditFieldsBySection.count
let numberOfPeers = peersData.count
assert(peer.index < numberOfPeers)
let removedPeer = peersData.remove(at: peer.index)
assert(removedPeer.index == peer.index)
for p in peersData[peer.index ..< peersData.count] {
assert(p.index > 0)
p.index = p.index - 1
}
let firstRemovedSectionIndex = (numberOfInterfaceSections + peer.index * numberOfPeerSections)
let removedSectionIndices = IndexSet(integersIn: firstRemovedSectionIndex ..< firstRemovedSectionIndex + numberOfPeerSections)
return removedSectionIndices
}
func showConfirmationAlert(message: String, buttonTitle: String, from sourceView: UIView,
onConfirmed: @escaping (() -> Void)) {
let destroyAction = UIAlertAction(title: buttonTitle, style: .destructive) { (action) in
onConfirmed()
}
let cancelAction = UIAlertAction(title: "Cancel", style: .cancel)
let alert = UIAlertController(title: "", message: message, preferredStyle: .actionSheet)
alert.addAction(destroyAction)
alert.addAction(cancelAction)
// popoverPresentationController will be nil on iPhone and non-nil on iPad
alert.popoverPresentationController?.sourceView = sourceView
self.present(alert, animated: true, completion: nil)
}
}
class TunnelsEditTableViewKeyValueCell: UITableViewCell {
static let id: String = "TunnelsEditTableViewKeyValueCell"
var key: String {
get { return keyLabel.text ?? "" }
set(value) {keyLabel.text = value }
}
var value: String {
get { return valueTextField.text ?? "" }
set(value) { valueTextField.text = value }
}
var placeholderText: String {
get { return valueTextField.placeholder ?? "" }
set(value) { valueTextField.placeholder = value }
}
var isValueEditable: Bool {
get { return valueTextField.isEnabled }
set(value) {
valueTextField.isEnabled = value
keyLabel.textColor = value ? UIColor.black : UIColor.gray
}
}
var hasLongKey: Bool {
get { return modifiableWidthRatioConstraint!.constant > 0 }
set(value) {
if (value) {
modifiableWidthRatioConstraint!.constant = 40
} else {
modifiableWidthRatioConstraint!.constant = 0
}
}
}
var isValueValid: Bool = true {
didSet(value) {
if (value) {
keyLabel.textColor = isValueEditable ? UIColor.black : UIColor.gray
} else {
keyLabel.textColor = UIColor.red
}
}
}
let keyLabel: UILabel
let valueTextField: UITextField
private var modifiableWidthRatioConstraint: NSLayoutConstraint? = nil
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
keyLabel = UILabel()
valueTextField = UITextField()
super.init(style: style, reuseIdentifier: reuseIdentifier)
contentView.addSubview(keyLabel)
keyLabel.translatesAutoresizingMaskIntoConstraints = false
keyLabel.textAlignment = .right
let widthRatioConstraint = NSLayoutConstraint(item: keyLabel, attribute: .width,
relatedBy: .equal,
toItem: self, attribute: .width,
multiplier: 0.4, constant: 0)
NSLayoutConstraint.activate([
keyLabel.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
keyLabel.leftAnchor.constraint(equalTo: contentView.leftAnchor, constant: 8),
widthRatioConstraint
])
modifiableWidthRatioConstraint = widthRatioConstraint
contentView.addSubview(valueTextField)
valueTextField.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
valueTextField.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
valueTextField.leftAnchor.constraint(equalTo: keyLabel.rightAnchor, constant: 16),
valueTextField.rightAnchor.constraint(equalTo: contentView.rightAnchor, constant: -8),
])
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func prepareForReuse() {
super.prepareForReuse()
key = ""
value = ""
placeholderText = ""
isValueEditable = true
hasLongKey = false
isValueValid = true
}
}
class TunnelsEditTableViewButtonCell: UITableViewCell {
static let id: String = "TunnelsEditTableViewButtonCell"
var buttonText: String {
get { return button.title(for: .normal) ?? "" }
set(value) { button.setTitle(value, for: .normal) }
}
var onTapped: (() -> Void)? = nil
let button: UIButton
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
button = UIButton(type: .system)
super.init(style: style, reuseIdentifier: reuseIdentifier)
contentView.addSubview(button)
button.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
button.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
button.centerXAnchor.constraint(equalTo: contentView.centerXAnchor)
])
button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
}
@objc func buttonTapped() {
onTapped?()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func prepareForReuse() {
buttonText = ""
onTapped = nil
}
}
class TunnelsEditTableViewSwitchCell: UITableViewCell {
static let id: String = "TunnelsEditTableViewSwitchCell"
var message: String {
get { return textLabel?.text ?? "" }
set(value) { textLabel!.text = value }
}
var isOn: Bool {
get { return switchView.isOn }
set(value) { switchView.isOn = value }
}
let switchView: UISwitch
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
switchView = UISwitch()
super.init(style: .default, reuseIdentifier: reuseIdentifier)
accessoryView = switchView
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func prepareForReuse() {
message = ""
isOn = false
}
}

6
WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift
View File

@ -41,7 +41,11 @@ class TunnelsListTableViewController: UITableViewController {
preferredStyle: .actionSheet)
alert.addAction(
UIAlertAction(title: "Create from scratch", style: .default) { (action) in
print("Write")
let editVC = TunnelEditTableViewController()
let editNC = UINavigationController(rootViewController: editVC)
self.present(editNC, animated: true) {
print("Done")
}
}
)
alert.addAction(