swiftformat .

This commit is contained in:
Caleb Jasik 2025-02-13 16:33:07 -06:00
parent 02e8c5bf35
commit 7c4a1a5faa
No known key found for this signature in database
9 changed files with 411 additions and 423 deletions

View file

@ -5,31 +5,31 @@ let groupName = "group.net.defined.mobileNebula"
class KeyChain {
class func save(key: String, data: Data, managed: Bool) -> Bool {
var query: [String: Any] = [
kSecClass as String : kSecClassGenericPassword as String,
kSecAttrAccount as String : key,
kSecValueData as String : data,
kSecClass as String: kSecClassGenericPassword as String,
kSecAttrAccount as String: key,
kSecValueData as String: data,
kSecAttrAccessGroup as String: groupName,
]
if (managed) {
if managed {
query[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlock
}
// Attempt to delete an existing key to allow for an overwrite
_ = self.delete(key: key)
_ = delete(key: key)
return SecItemAdd(query as CFDictionary, nil) == 0
}
class func load(key: String) -> Data? {
let query: [String: Any] = [
kSecClass as String : kSecClassGenericPassword,
kSecAttrAccount as String : key,
kSecReturnData as String : kCFBooleanTrue!,
kSecMatchLimit as String : kSecMatchLimitOne,
kSecClass as String: kSecClassGenericPassword,
kSecAttrAccount as String: key,
kSecReturnData as String: kCFBooleanTrue!,
kSecMatchLimit as String: kSecMatchLimitOne,
kSecAttrAccessGroup as String: groupName,
]
var dataTypeRef: AnyObject? = nil
var dataTypeRef: AnyObject?
let status: OSStatus = SecItemCopyMatching(query as CFDictionary, &dataTypeRef)
@ -39,31 +39,29 @@ class KeyChain {
return nil
}
}
class func delete(key: String) -> Bool {
let query: [String: Any] = [
kSecClass as String : kSecClassGenericPassword as String,
kSecAttrAccount as String : key,
kSecAttrAccessGroup as String: groupName,
]
let query: [String: Any] = [
kSecClass as String: kSecClassGenericPassword as String,
kSecAttrAccount as String: key,
kSecAttrAccessGroup as String: groupName,
]
return SecItemDelete(query as CFDictionary) == 0
}
}
extension Data {
init<T>(from value: T) {
var value = value
var data = Data()
withUnsafePointer(to: &value, { (ptr: UnsafePointer<T>) -> Void in
withUnsafePointer(to: &value) { (ptr: UnsafePointer<T>) in
data = Data(buffer: UnsafeBufferPointer(start: ptr, count: 1))
})
}
self.init(data)
}
func to<T>(type: T.Type) -> T {
return self.withUnsafeBytes { $0.load(as: T.self) }
func to<T>(type _: T.Type) -> T {
return withUnsafeBytes { $0.load(as: T.self) }
}
}

View file

@ -1,5 +1,5 @@
import NetworkExtension
import MobileNebula
import NetworkExtension
import os.log
import SwiftyJSON
@ -17,66 +17,65 @@ enum AppMessageError: Error {
extension AppMessageError: LocalizedError {
public var description: String? {
switch self {
case .unknownIPCType(let command):
case let .unknownIPCType(command):
return NSLocalizedString("Unknown IPC message type \(String(command))", comment: "")
}
}
}
class PacketTunnelProvider: NEPacketTunnelProvider {
private var networkMonitor: NWPathMonitor?
private var site: Site?
private let log = Logger(subsystem: "net.defined.mobileNebula", category: "PacketTunnelProvider")
private var nebula: MobileNebulaNebula?
private var dnUpdater = DNUpdater()
private var didSleep = false
private var cachedRouteDescription: String?
override func startTunnel(options: [String : NSObject]? = nil) async throws {
override func startTunnel(options: [String: NSObject]? = nil) async throws {
// There is currently no way to get initialization errors back to the UI via completionHandler here
// `expectStart` is sent only via the UI which means we should wait for the real start command which has another completion handler the UI can intercept
if options?["expectStart"] != nil {
// startTunnel must complete before IPC will work
return
}
// VPN is being booted out of band of the UI. Use the system completion handler as there will be nothing to route initialization errors to but we still need to report
// success/fail by the presence of an error or nil
try await start()
}
private func start() async throws {
var manager: NETunnelProviderManager?
var config: Data
var key: String
do {
// Cannot use NETunnelProviderManager.loadAllFromPreferences() in earlier versions of iOS
// TODO: Remove else once we drop support for iOS 16
if ProcessInfo().isOperatingSystemAtLeast(OperatingSystemVersion(majorVersion: 17, minorVersion: 0, patchVersion: 0)) {
manager = try await self.findManager()
manager = try await findManager()
guard let foundManager = manager else {
throw VPNStartError.couldNotFindManager
}
self.site = try Site(manager: foundManager)
site = try Site(manager: foundManager)
} else {
// This does not save the manager with the site, which means we cannot update the
// vpn profile name when updates happen (rare).
self.site = try Site(proto: self.protocolConfiguration as! NETunnelProviderProtocol)
site = try Site(proto: protocolConfiguration as! NETunnelProviderProtocol)
}
config = try self.site!.getConfig()
config = try site!.getConfig()
} catch {
//TODO: need a way to notify the app
self.log.error("Failed to render config from vpn object")
// TODO: need a way to notify the app
log.error("Failed to render config from vpn object")
throw error
}
let _site = self.site!
let _site = site!
key = try _site.getKey()
guard let fileDescriptor = self.tunnelFileDescriptor else {
guard let fileDescriptor = tunnelFileDescriptor else {
throw VPNStartError.noTunFileDescriptor
}
let tunFD = Int(fileDescriptor)
@ -87,7 +86,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
// Make sure our ip is routed to the tun device
var err: NSError?
let ipNet = MobileNebulaParseCIDR(_site.cert!.cert.details.ips[0], &err)
if (err != nil) {
if err != nil {
throw err!
}
tunnelNetworkSettings.ipv4Settings = NEIPv4Settings(addresses: [ipNet!.ip], subnetMasks: [ipNet!.maskCIDR])
@ -96,7 +95,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
// Add our unsafe routes
try _site.unsafeRoutes.forEach { unsafeRoute in
let ipNet = MobileNebulaParseCIDR(unsafeRoute.route, &err)
if (err != nil) {
if err != nil {
throw err!
}
routes.append(NEIPv4Route(destinationAddress: ipNet!.network, subnetMask: ipNet!.maskCIDR))
@ -105,43 +104,43 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
tunnelNetworkSettings.ipv4Settings!.includedRoutes = routes
tunnelNetworkSettings.mtu = _site.mtu as NSNumber
try await self.setTunnelNetworkSettings(tunnelNetworkSettings)
try await setTunnelNetworkSettings(tunnelNetworkSettings)
var nebulaErr: NSError?
self.nebula = MobileNebulaNewNebula(String(data: config, encoding: .utf8), key, self.site!.logFile, tunFD, &nebulaErr)
self.startNetworkMonitor()
nebula = MobileNebulaNewNebula(String(data: config, encoding: .utf8), key, site!.logFile, tunFD, &nebulaErr)
startNetworkMonitor()
if nebulaErr != nil {
self.log.error("We had an error starting up: \(nebulaErr, privacy: .public)")
log.error("We had an error starting up: \(nebulaErr, privacy: .public)")
throw nebulaErr!
}
self.nebula!.start()
self.dnUpdater.updateSingleLoop(site: self.site!, onUpdate: self.handleDNUpdate)
nebula!.start()
dnUpdater.updateSingleLoop(site: site!, onUpdate: handleDNUpdate)
}
private func handleDNUpdate(newSite: Site) {
do {
self.site = newSite
try self.nebula?.reload(String(data: newSite.getConfig(), encoding: .utf8), key: newSite.getKey())
site = newSite
try nebula?.reload(String(data: newSite.getConfig(), encoding: .utf8), key: newSite.getKey())
} catch {
log.error("Got an error while updating nebula \(error.localizedDescription, privacy: .public)")
}
}
//TODO: Sleep/wake get called aggressively and do nothing to help us here, we should locate why that is and make these work appropriately
// TODO: Sleep/wake get called aggressively and do nothing to help us here, we should locate why that is and make these work appropriately
// override func sleep(completionHandler: @escaping () -> Void) {
// nebula!.sleep()
// completionHandler()
// }
private func findManager() async throws -> NETunnelProviderManager {
let targetProtoConfig = self.protocolConfiguration as? NETunnelProviderProtocol
let targetProtoConfig = protocolConfiguration as? NETunnelProviderProtocol
guard let targetProviderConfig = targetProtoConfig?.providerConfiguration else {
throw VPNStartError.noProviderConfig
}
let targetID = targetProviderConfig["id"] as? String
// Load vpn configs from system, and find the manager matching the one being started
let managers = try await NETunnelProviderManager.loadAllFromPreferences()
for manager in managers {
@ -150,32 +149,32 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
throw VPNStartError.noProviderConfig
}
let id = mgrProviderConfig["id"] as? String
if (id == targetID) {
if id == targetID {
return manager
}
}
// If we didn't find anything, throw an error
throw VPNStartError.noManagers
}
private func startNetworkMonitor() {
networkMonitor = NWPathMonitor()
networkMonitor!.pathUpdateHandler = self.pathUpdate
networkMonitor!.pathUpdateHandler = pathUpdate
networkMonitor!.start(queue: DispatchQueue(label: "NetworkMonitor"))
}
private func stopNetworkMonitor() {
self.networkMonitor?.cancel()
networkMonitor?.cancel()
networkMonitor = nil
}
override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
override func stopTunnel(with _: NEProviderStopReason, completionHandler: @escaping () -> Void) {
nebula?.stop()
stopNetworkMonitor()
completionHandler()
}
private func pathUpdate(path: Network.NWPath) {
let routeDescription = collectAddresses(endpoints: path.gateways)
if routeDescription != cachedRouteDescription {
@ -186,94 +185,93 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
cachedRouteDescription = routeDescription
}
}
private func collectAddresses(endpoints: [Network.NWEndpoint]) -> String {
var str: [String] = []
endpoints.forEach{ endpoint in
for endpoint in endpoints {
switch endpoint {
case let .hostPort(.ipv6(host), port):
str.append("[\(host)]:\(port)")
case let .hostPort(.ipv4(host), port):
str.append("\(host):\(port)")
default:
return
continue
}
}
return str.sorted().joined(separator: ", ")
}
override func handleAppMessage(_ data: Data) async -> Data? {
guard let call = try? JSONDecoder().decode(IPCRequest.self, from: data) else {
log.error("Failed to decode IPCRequest from network extension")
return nil
}
var error: Error?
var data: JSON?
// start command has special treatment due to needing to call two completers
if call.command == "start" {
do {
try await self.start()
try await start()
// No response data, this is expected on a clean start
return try? JSONEncoder().encode(IPCResponse.init(type: .success, message: nil))
return try? JSONEncoder().encode(IPCResponse(type: .success, message: nil))
} catch {
defer {
self.cancelTunnelWithError(error)
}
return try? JSONEncoder().encode(IPCResponse.init(type: .error, message: JSON(error.localizedDescription)))
return try? JSONEncoder().encode(IPCResponse(type: .error, message: JSON(error.localizedDescription)))
}
}
if nebula == nil {
// Respond with an empty success message in the event a command comes in before we've truly started
log.warning("Received command but do not have a nebula instance")
return try? JSONEncoder().encode(IPCResponse.init(type: .success, message: nil))
return try? JSONEncoder().encode(IPCResponse(type: .success, message: nil))
}
//TODO: try catch over all this
// TODO: try catch over all this
switch call.command {
case "listHostmap": (data, error) = listHostmap(pending: false)
case "listPendingHostmap": (data, error) = listHostmap(pending: true)
case "getHostInfo": (data, error) = getHostInfo(args: call.arguments!)
case "setRemoteForTunnel": (data, error) = setRemoteForTunnel(args: call.arguments!)
case "closeTunnel": (data, error) = closeTunnel(args: call.arguments!)
default:
error = AppMessageError.unknownIPCType(command: call.command)
}
if (error != nil) {
return try? JSONEncoder().encode(IPCResponse.init(type: .error, message: JSON(error?.localizedDescription ?? "Unknown error")))
if error != nil {
return try? JSONEncoder().encode(IPCResponse(type: .error, message: JSON(error?.localizedDescription ?? "Unknown error")))
} else {
return try? JSONEncoder().encode(IPCResponse.init(type: .success, message: data))
return try? JSONEncoder().encode(IPCResponse(type: .success, message: data))
}
}
private func listHostmap(pending: Bool) -> (JSON?, Error?) {
var err: NSError?
let res = nebula!.listHostmap(pending, error: &err)
return (JSON(res), err)
}
private func getHostInfo(args: JSON) -> (JSON?, Error?) {
var err: NSError?
let res = nebula!.getHostInfo(byVpnIp: args["vpnIp"].string, pending: args["pending"].boolValue, error: &err)
return (JSON(res), err)
}
private func setRemoteForTunnel(args: JSON) -> (JSON?, Error?) {
var err: NSError?
let res = nebula!.setRemoteForTunnel(args["vpnIp"].string, addr: args["addr"].string, error: &err)
return (JSON(res), err)
}
private func closeTunnel(args: JSON) -> (JSON?, Error?) {
let res = nebula!.closeTunnel(args["vpnIp"].string)
return (JSON(res), nil)
}
private var tunnelFileDescriptor: Int32? {
var ctlInfo = ctl_info()
withUnsafeMutablePointer(to: &ctlInfo.ctl_name) {
@ -281,7 +279,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
_ = strcpy($0, "com.apple.net.utun_control")
}
}
for fd: Int32 in 0...1024 {
for fd: Int32 in 0 ... 1024 {
var addr = sockaddr_ctl()
var ret: Int32 = -1
var len = socklen_t(MemoryLayout.size(ofValue: addr))
@ -306,4 +304,3 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
return nil
}
}

View file

@ -1,12 +1,12 @@
import NetworkExtension
import MobileNebula
import SwiftyJSON
import NetworkExtension
import os.log
import SwiftyJSON
let log = Logger(subsystem: "net.defined.mobileNebula", category: "Site")
enum SiteError: Error {
case nonConforming(site: [String : Any]?)
case nonConforming(site: [String: Any]?)
case noCertificate
case keyLoad
case keySave
@ -21,7 +21,7 @@ enum SiteError: Error {
extension SiteError: CustomStringConvertible {
public var description: String {
switch self {
case .nonConforming(let site):
case let .nonConforming(site):
return String("Non-conforming site \(String(describing: site))")
case .noCertificate:
return "No certificate found"
@ -35,20 +35,20 @@ extension SiteError: CustomStringConvertible {
return "failed to find dn credentials in keychain"
case .dnCredentialSave:
return "failed to store dn credentials in keychain"
case .unexpected(_):
case .unexpected:
return "An unexpected error occurred."
}
}
}
enum IPCResponseType: String, Codable {
case error = "error"
case success = "success"
case error
case success
}
class IPCResponse: Codable {
var type: IPCResponseType
//TODO: change message to data?
// TODO: change message to data?
var message: JSON?
init(type: IPCResponseType, message: JSON?) {
@ -131,7 +131,7 @@ struct CertificateValidity: Codable {
}
}
let statusMap: Dictionary<NEVPNStatus, Bool> = [
let statusMap: [NEVPNStatus: Bool] = [
NEVPNStatus.invalid: false,
NEVPNStatus.disconnected: false,
NEVPNStatus.connecting: false,
@ -140,7 +140,7 @@ let statusMap: Dictionary<NEVPNStatus, Bool> = [
NEVPNStatus.disconnecting: true,
]
let statusString: Dictionary<NEVPNStatus, String> = [
let statusString: [NEVPNStatus: String] = [
NEVPNStatus.invalid: "Invalid configuration",
NEVPNStatus.disconnected: "Disconnected",
NEVPNStatus.connecting: "Connecting...",
@ -156,7 +156,7 @@ class Site: Codable {
var id: String
// Stored in proto
var staticHostmap: Dictionary<String, StaticHosts>
var staticHostmap: [String: StaticHosts]
var unsafeRoutes: [UnsafeRoute]
var cert: CertificateInfo?
var ca: [CertificateInfo]
@ -166,7 +166,7 @@ class Site: Codable {
var cipher: String
var sortKey: Int
var logVerbosity: String
var connected: Bool? //TODO: active is a better name
var connected: Bool? // TODO: active is a better name
var status: String?
var logFile: String?
var managed: Bool
@ -186,12 +186,12 @@ class Site: Codable {
/// Creates a new site from a vpn manager instance. Mainly used by the UI. A manager is required to be able to edit the system profile
convenience init(manager: NETunnelProviderManager) throws {
//TODO: Throw an error and have Sites delete the site, notify the user instead of using !
// TODO: Throw an error and have Sites delete the site, notify the user instead of using !
let proto = manager.protocolConfiguration as! NETunnelProviderProtocol
try self.init(proto: proto)
self.manager = manager
self.connected = statusMap[manager.connection.status]
self.status = statusString[manager.connection.status]
connected = statusMap[manager.connection.status]
status = statusString[manager.connection.status]
}
convenience init(proto: NETunnelProviderProtocol) throws {
@ -202,7 +202,7 @@ class Site: Codable {
let decoder = JSONDecoder()
let incoming = try decoder.decode(IncomingSite.self, from: config)
self.init(incoming: incoming)
self.needsToMigrateToFS = true
needsToMigrateToFS = true
return
}
@ -244,18 +244,18 @@ class Site: Codable {
do {
let rawCert = incoming.cert
let rawDetails = MobileNebulaParseCerts(rawCert, &err)
if (err != nil) {
if err != nil {
throw err!
}
var certs: [CertificateInfo]
certs = try JSONDecoder().decode([CertificateInfo].self, from: rawDetails.data(using: .utf8)!)
if (certs.count == 0) {
if certs.count == 0 {
throw SiteError.noCertificate
}
cert = certs[0]
if (!cert!.validity.valid) {
if !cert!.validity.valid {
errors.append("Certificate is invalid: \(cert!.validity.reason)")
}
@ -266,19 +266,19 @@ class Site: Codable {
do {
let rawCa = incoming.ca
let rawCaDetails = MobileNebulaParseCerts(rawCa, &err)
if (err != nil) {
if err != nil {
throw err!
}
ca = try JSONDecoder().decode([CertificateInfo].self, from: rawCaDetails.data(using: .utf8)!)
var hasErrors = false
ca.forEach { cert in
if (!cert.validity.valid) {
for cert in ca {
if !cert.validity.valid {
hasErrors = true
}
}
if (hasErrors && !managed) {
if hasErrors && !managed {
errors.append("There are issues with 1 or more ca certificates")
}
@ -288,17 +288,17 @@ class Site: Codable {
}
do {
logFile = try SiteList.getSiteLogFile(id: self.id, createDir: true).path
logFile = try SiteList.getSiteLogFile(id: id, createDir: true).path
} catch {
logFile = nil
errors.append("Unable to create the site directory: \(error.localizedDescription)")
}
if (managed && (try? getDNCredentials())?.invalid != false) {
if managed && (try? getDNCredentials())?.invalid != false {
errors.append("Unable to fetch managed updates - please re-enroll the device")
}
if (errors.isEmpty) {
if errors.isEmpty {
do {
let encoder = JSONEncoder()
let rawConfig = try encoder.encode(incoming)
@ -307,7 +307,7 @@ class Site: Codable {
var err: NSError?
MobileNebulaTestConfig(strConfig, key, &err)
if (err != nil) {
if err != nil {
throw err!
}
} catch {
@ -322,12 +322,12 @@ class Site: Codable {
throw SiteError.keyLoad
}
//TODO: make sure this is valid on return!
// TODO: make sure this is valid on return!
return String(decoding: keyData, as: UTF8.self)
}
func getDNCredentials() throws -> DNCredentials {
if (!managed) {
if !managed {
throw SiteError.unmanagedGetCredentials
}
@ -344,7 +344,7 @@ class Site: Codable {
let creds = try getDNCredentials()
creds.invalid = true
if (!(try creds.save(siteID: self.id))) {
if try !(creds.save(siteID: id)) {
throw SiteError.dnCredentialLoad
}
}
@ -353,13 +353,13 @@ class Site: Codable {
let creds = try getDNCredentials()
creds.invalid = false
if (!(try creds.save(siteID: self.id))) {
if try !(creds.save(siteID: id)) {
throw SiteError.dnCredentialSave
}
}
func getConfig() throws -> Data {
return try self.incomingSite!.getConfig()
return try incomingSite!.getConfig()
}
// Limits what we export to the UI
@ -429,7 +429,7 @@ class DNCredentials: Codable {
struct IncomingSite: Codable {
var name: String
var id: String
var staticHostmap: Dictionary<String, StaticHosts>
var staticHostmap: [String: StaticHosts]
var unsafeRoutes: [UnsafeRoute]?
var cert: String?
var ca: String?
@ -456,11 +456,11 @@ struct IncomingSite: Codable {
return try encoder.encode(config)
}
func save(manager: NETunnelProviderManager?, saveToManager: Bool = true, callback: @escaping (Error?) -> ()) {
func save(manager: NETunnelProviderManager?, saveToManager: Bool = true, callback: @escaping (Error?) -> Void) {
let configPath: URL
do {
configPath = try SiteList.getSiteConfigFile(id: self.id, createDir: true)
configPath = try SiteList.getSiteConfigFile(id: id, createDir: true)
} catch {
callback(error)
@ -469,45 +469,44 @@ struct IncomingSite: Codable {
log.notice("Saving to \(configPath, privacy: .public)")
do {
if (self.key != nil) {
let data = self.key!.data(using: .utf8)
if (!KeyChain.save(key: "\(self.id).key", data: data!, managed: self.managed ?? false)) {
if key != nil {
let data = key!.data(using: .utf8)
if !KeyChain.save(key: "\(id).key", data: data!, managed: managed ?? false) {
return callback(SiteError.keySave)
}
}
do {
if ((try self.dnCredentials?.save(siteID: self.id)) == false) {
if try (dnCredentials?.save(siteID: id)) == false {
return callback(SiteError.dnCredentialSave)
}
} catch {
return callback(error)
}
try self.getConfig().write(to: configPath)
try getConfig().write(to: configPath)
} catch {
return callback(error)
}
#if targetEnvironment(simulator)
// We are on a simulator and there is no NEVPNManager for us to interact with
callback(nil)
#else
if saveToManager {
self.saveToManager(manager: manager, callback: callback)
} else {
#if targetEnvironment(simulator)
// We are on a simulator and there is no NEVPNManager for us to interact with
callback(nil)
}
#endif
#else
if saveToManager {
self.saveToManager(manager: manager, callback: callback)
} else {
callback(nil)
}
#endif
}
private func saveToManager(manager: NETunnelProviderManager?, callback: @escaping (Error?) -> ()) {
if (manager != nil) {
private func saveToManager(manager: NETunnelProviderManager?, callback: @escaping (Error?) -> Void) {
if manager != nil {
// We need to refresh our settings to properly update config
manager?.loadFromPreferences { error in
if (error != nil) {
if error != nil {
return callback(error)
}
@ -519,25 +518,25 @@ struct IncomingSite: Codable {
return finishSaveToManager(manager: NETunnelProviderManager(), callback: callback)
}
private func finishSaveToManager(manager: NETunnelProviderManager, callback: @escaping (Error?) -> ()) {
private func finishSaveToManager(manager: NETunnelProviderManager, callback: @escaping (Error?) -> Void) {
// Stuff our details in the protocol
let proto = manager.protocolConfiguration as? NETunnelProviderProtocol ?? NETunnelProviderProtocol()
proto.providerBundleIdentifier = "net.defined.mobileNebula.NebulaNetworkExtension";
proto.providerBundleIdentifier = "net.defined.mobileNebula.NebulaNetworkExtension"
// WARN: If we stop setting providerConfiguration["id"] here, we'll need to use something else to match
// managers in PacketTunnelProvider.findManager
proto.providerConfiguration = ["id": self.id]
proto.providerConfiguration = ["id": id]
proto.serverAddress = "Nebula"
// Finish up the manager, this is what stores everything at the system level
manager.protocolConfiguration = proto
//TODO: cert name? manager.protocolConfiguration?.username
// TODO: cert name? manager.protocolConfiguration?.username
//TODO: This is what is shown on the vpn page. We should add more identifying details in
manager.localizedDescription = self.name
// TODO: This is what is shown on the vpn page. We should add more identifying details in
manager.localizedDescription = name
manager.isEnabled = true
manager.saveToPreferences{ error in
return callback(error)
manager.saveToPreferences { error in
callback(error)
}
}
}

View file

@ -2,107 +2,107 @@ import NetworkExtension
class SiteList {
private var sites = [String: Site]()
/// Gets the root directory that can be used to share files between the UI and VPN process. Does ensure the directory exists
static func getRootDir() throws -> URL {
let fileManager = FileManager.default
let rootDir = fileManager.containerURL(forSecurityApplicationGroupIdentifier: "group.net.defined.mobileNebula")!
if (!fileManager.fileExists(atPath: rootDir.absoluteString)) {
if !fileManager.fileExists(atPath: rootDir.absoluteString) {
try fileManager.createDirectory(at: rootDir, withIntermediateDirectories: true)
}
return rootDir
}
/// Gets the directory where all sites live, $rootDir/sites. Does ensure the directory exists
static func getSitesDir() throws -> URL {
let fileManager = FileManager.default
let sitesDir = try getRootDir().appendingPathComponent("sites", isDirectory: true)
if (!fileManager.fileExists(atPath: sitesDir.absoluteString)) {
if !fileManager.fileExists(atPath: sitesDir.absoluteString) {
try fileManager.createDirectory(at: sitesDir, withIntermediateDirectories: true)
}
return sitesDir
}
/// Gets the directory where a single site would live, $rootDir/sites/$siteID
static func getSiteDir(id: String, create: Bool = false) throws -> URL {
let fileManager = FileManager.default
let siteDir = try getSitesDir().appendingPathComponent(id, isDirectory: true)
if (create && !fileManager.fileExists(atPath: siteDir.absoluteString)) {
if create && !fileManager.fileExists(atPath: siteDir.absoluteString) {
try fileManager.createDirectory(at: siteDir, withIntermediateDirectories: true)
}
return siteDir
}
/// Gets the file that represents the site configuration, $rootDir/sites/$siteID/config.json
static func getSiteConfigFile(id: String, createDir: Bool) throws -> URL {
return try getSiteDir(id: id, create: createDir).appendingPathComponent("config", isDirectory: false).appendingPathExtension("json")
}
/// Gets the file that represents the site log output, $rootDir/sites/$siteID/log
static func getSiteLogFile(id: String, createDir: Bool) throws -> URL {
return try getSiteDir(id: id, create: createDir).appendingPathComponent("logs", isDirectory: false)
}
init(completion: @escaping ([String: Site]?, Error?) -> ()) {
#if targetEnvironment(simulator)
SiteList.loadAllFromFS { sites, err in
if sites != nil {
self.sites = sites!
init(completion: @escaping ([String: Site]?, Error?) -> Void) {
#if targetEnvironment(simulator)
SiteList.loadAllFromFS { sites, err in
if sites != nil {
self.sites = sites!
}
completion(sites, err)
}
completion(sites, err)
}
#else
SiteList.loadAllFromNETPM { sites, err in
if sites != nil {
self.sites = sites!
#else
SiteList.loadAllFromNETPM { sites, err in
if sites != nil {
self.sites = sites!
}
completion(sites, err)
}
completion(sites, err)
}
#endif
#endif
}
private static func loadAllFromFS(completion: @escaping ([String: Site]?, Error?) -> ()) {
private static func loadAllFromFS(completion: @escaping ([String: Site]?, Error?) -> Void) {
let fileManager = FileManager.default
var siteDirs: [URL]
var sites = [String: Site]()
do {
siteDirs = try fileManager.contentsOfDirectory(at: getSitesDir(), includingPropertiesForKeys: nil)
} catch {
completion(nil, error)
return
}
siteDirs.forEach { path in
for path in siteDirs {
do {
let site = try Site(path: path.appendingPathComponent("config").appendingPathExtension("json"))
sites[site.id] = site
} catch {
print(error)
try? fileManager.removeItem(at: path)
print("Deleted non conforming site \(path)")
}
}
completion(sites, nil)
}
private static func loadAllFromNETPM(completion: @escaping ([String: Site]?, Error?) -> ()) {
private static func loadAllFromNETPM(completion: @escaping ([String: Site]?, Error?) -> Void) {
var sites = [String: Site]()
// dispatchGroup is used to ensure we have migrated all sites before returning them
// If there are no sites to migrate, there are never any entrants
let dispatchGroup = DispatchGroup()
NETunnelProviderManager.loadAllFromPreferences() { newManagers, err in
if (err != nil) {
NETunnelProviderManager.loadAllFromPreferences { newManagers, err in
if err != nil {
return completion(nil, err)
}
newManagers?.forEach { manager in
do {
let site = try Site(manager: manager)
@ -112,28 +112,28 @@ class SiteList {
if error != nil {
print("Error while migrating site to fs: \(error!.localizedDescription)")
}
print("Migrated site to fs: \(site.name)")
site.needsToMigrateToFS = false
dispatchGroup.leave()
}
}
sites[site.id] = site
} catch {
//TODO: notify the user about this
// TODO: notify the user about this
print("Deleted non conforming site \(manager) \(error)")
manager.removeFromPreferences()
//TODO: delete from disk, we need to try and discover the site id though
// TODO: delete from disk, we need to try and discover the site id though
}
}
dispatchGroup.notify(queue: .main) {
completion(sites, nil)
}
}
}
func getSites() -> [String: Site] {
return sites
}

View file

@ -7,17 +7,17 @@ enum APIClientError: Error {
class APIClient {
let apiClient: MobileNebulaAPIClient
let json = JSONDecoder()
init() {
let packageInfo = PackageInfo()
apiClient = MobileNebulaNewAPIClient("MobileNebula/\(packageInfo.getVersion()) (iOS \(packageInfo.getSystemVersion()))")!
}
func enroll(code: String) throws -> IncomingSite {
let res = try apiClient.enroll(code)
return try decodeIncomingSite(jsonSite: res.site)
}
func tryUpdate(siteName: String, hostID: String, privateKey: String, counter: Int, trustedKeys: String) throws -> IncomingSite? {
let res: MobileNebulaTryUpdateResult
do {
@ -26,23 +26,24 @@ class APIClient {
hostID: hostID,
privateKey: privateKey,
counter: counter,
trustedKeys: trustedKeys)
trustedKeys: trustedKeys
)
} catch {
// type information from Go is not available, use string matching instead
if (error.localizedDescription == "invalid credentials") {
if error.localizedDescription == "invalid credentials" {
throw APIClientError.invalidCredentials
}
throw error
}
if (res.fetchedUpdate) {
if res.fetchedUpdate {
return try decodeIncomingSite(jsonSite: res.site)
}
return nil
}
private func decodeIncomingSite(jsonSite: String) throws -> IncomingSite {
do {
return try json.decode(IncomingSite.self, from: jsonSite.data(using: .utf8)!)

View file

@ -1,8 +1,8 @@
import UIKit
import Flutter
import MobileNebula
import NetworkExtension
import SwiftyJSON
import UIKit
enum ChannelName {
static let vpn = "net.defined.mobileNebula/NebulaVpnService"
@ -18,136 +18,130 @@ func MissingArgumentError(message: String, details: Any?) -> FlutterError {
private let apiClient = APIClient()
private var sites: Sites?
private var ui: FlutterMethodChannel?
override func application(
_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
) -> Bool {
GeneratedPluginRegistrant.register(with: self)
dnUpdater.updateAllLoop { site in
// Signal the site has changed in case the current site details screen is active
let container = self.sites?.getContainer(id: site.id)
if (container != nil) {
if container != nil {
// Update references to the site with the new site config
container!.site = site
container!.updater.update(connected: site.connected ?? false, replaceSite: site)
}
// Signal to the main screen to reload
self.ui?.invokeMethod("refreshSites", arguments: nil)
}
guard let controller = window?.rootViewController as? FlutterViewController else {
fatalError("rootViewController is not type FlutterViewController")
}
sites = Sites(messenger: controller.binaryMessenger)
ui = FlutterMethodChannel(name: ChannelName.vpn, binaryMessenger: controller.binaryMessenger)
ui!.setMethodCallHandler({(call: FlutterMethodCall, result: @escaping FlutterResult) -> Void in
ui!.setMethodCallHandler { (call: FlutterMethodCall, result: @escaping FlutterResult) in
switch call.method {
case "nebula.parseCerts": return self.nebulaParseCerts(call: call, result: result)
case "nebula.generateKeyPair": return self.nebulaGenerateKeyPair(result: result)
case "nebula.renderConfig": return self.nebulaRenderConfig(call: call, result: result)
case "nebula.verifyCertAndKey": return self.nebulaVerifyCertAndKey(call: call, result: result)
case "dn.enroll": return self.dnEnroll(call: call, result: result)
case "listSites": return self.listSites(result: result)
case "deleteSite": return self.deleteSite(call: call, result: result)
case "saveSite": return self.saveSite(call: call, result: result)
case "startSite": return self.startSite(call: call, result: result)
case "stopSite": return self.stopSite(call: call, result: result)
case "active.listHostmap": self.vpnRequest(command: "listHostmap", arguments: call.arguments, result: result)
case "active.listPendingHostmap": self.vpnRequest(command: "listPendingHostmap", arguments: call.arguments, result: result)
case "active.getHostInfo": self.vpnRequest(command: "getHostInfo", arguments: call.arguments, result: result)
case "active.setRemoteForTunnel": self.vpnRequest(command: "setRemoteForTunnel", arguments: call.arguments, result: result)
case "active.closeTunnel": self.vpnRequest(command: "closeTunnel", arguments: call.arguments, result: result)
default:
result(FlutterMethodNotImplemented)
}
})
}
return super.application(application, didFinishLaunchingWithOptions: launchOptions)
}
func nebulaParseCerts(call: FlutterMethodCall, result: FlutterResult) {
guard let args = call.arguments as? Dictionary<String, String> else { return result(NoArgumentsError()) }
guard let args = call.arguments as? [String: String] else { return result(NoArgumentsError()) }
guard let certs = args["certs"] else { return result(MissingArgumentError(message: "certs is a required argument")) }
var err: NSError?
let json = MobileNebulaParseCerts(certs, &err)
if (err != nil) {
if err != nil {
return result(CallFailedError(message: "Error while parsing certificate(s)", details: err!.localizedDescription))
}
return result(json)
}
func nebulaVerifyCertAndKey(call: FlutterMethodCall, result: FlutterResult) {
guard let args = call.arguments as? Dictionary<String, String> else { return result(NoArgumentsError()) }
guard let args = call.arguments as? [String: String] else { return result(NoArgumentsError()) }
guard let cert = args["cert"] else { return result(MissingArgumentError(message: "cert is a required argument")) }
guard let key = args["key"] else { return result(MissingArgumentError(message: "key is a required argument")) }
var err: NSError?
var validd: ObjCBool = false
let valid = MobileNebulaVerifyCertAndKey(cert, key, &validd, &err)
if (err != nil) {
if err != nil {
return result(CallFailedError(message: "Error while verifying certificate and private key", details: err!.localizedDescription))
}
return result(valid)
}
func nebulaGenerateKeyPair(result: FlutterResult) {
var err: NSError?
let kp = MobileNebulaGenerateKeyPair(&err)
if (err != nil) {
if err != nil {
return result(CallFailedError(message: "Error while generating key pairs", details: err!.localizedDescription))
}
return result(kp)
}
func nebulaRenderConfig(call: FlutterMethodCall, result: FlutterResult) {
guard let config = call.arguments as? String else { return result(NoArgumentsError()) }
var err: NSError?
let yaml = MobileNebulaRenderConfig(config, "<hidden>", &err)
if (err != nil) {
if err != nil {
return result(CallFailedError(message: "Error while rendering config", details: err!.localizedDescription))
}
return result(yaml)
}
func dnEnroll(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let code = call.arguments as? String else { return result(NoArgumentsError()) }
do {
let site = try apiClient.enroll(code: code)
let oldSite = self.sites?.getSite(id: site.id)
let oldSite = sites?.getSite(id: site.id)
site.save(manager: oldSite?.manager) { error in
if (error != nil) {
if error != nil {
return result(CallFailedError(message: "Failed to enroll", details: error!.localizedDescription))
}
result(nil)
}
} catch {
return result(CallFailedError(message: "Error from DN api", details: error.localizedDescription))
}
}
func listSites(result: @escaping FlutterResult) {
self.sites?.loadSites { (sites, err) -> () in
if (err != nil) {
sites?.loadSites { sites, err in
if err != nil {
return result(CallFailedError(message: "Failed to load site list", details: err!.localizedDescription))
}
@ -157,30 +151,30 @@ func MissingArgumentError(message: String, details: Any?) -> FlutterError {
result(ret)
}
}
func deleteSite(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let id = call.arguments as? String else { return result(NoArgumentsError()) }
//TODO: stop the site if its running currently
self.sites?.deleteSite(id: id) { error in
if (error != nil) {
// TODO: stop the site if its running currently
sites?.deleteSite(id: id) { error in
if error != nil {
result(CallFailedError(message: "Failed to delete site", details: error!.localizedDescription))
}
result(nil)
}
}
func saveSite(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let json = call.arguments as? String else { return result(NoArgumentsError()) }
guard let data = json.data(using: .utf8) else { return result(NoArgumentsError()) }
guard let site = try? JSONDecoder().decode(IncomingSite.self, from: data) else {
return result(NoArgumentsError())
}
let oldSite = self.sites?.getSite(id: site.id)
let oldSite = sites?.getSite(id: site.id)
site.save(manager: oldSite?.manager) { error in
if (error != nil) {
if error != nil {
return result(CallFailedError(message: "Failed to save site", details: error!.localizedDescription))
}
@ -189,68 +183,68 @@ func MissingArgumentError(message: String, details: Any?) -> FlutterError {
}
}
}
func startSite(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let args = call.arguments as? Dictionary<String, String> else { return result(NoArgumentsError()) }
guard let id = args["id"] else { return result(MissingArgumentError(message: "id is a required argument")) }
#if targetEnvironment(simulator)
let updater = self.sites?.getUpdater(id: id)
updater?.update(connected: true)
#else
let container = self.sites?.getContainer(id: id)
let manager = container?.site.manager
manager?.loadFromPreferences{ error in
//TODO: Handle load error
// This is silly but we need to enable the site each time to avoid situations where folks have multiple sites
manager?.isEnabled = true
manager?.saveToPreferences{ error in
//TODO: Handle load error
manager?.loadFromPreferences{ error in
//TODO: Handle load error
do {
container?.updater.startFunc = {() -> Void in
return self.vpnRequest(command: "start", arguments: args, result: result)
func startSite(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let args = call.arguments as? [String: String] else { return result(NoArgumentsError()) }
guard let id = args["id"] else { return result(MissingArgumentError(message: "id is a required argument")) }
#if targetEnvironment(simulator)
let updater = sites?.getUpdater(id: id)
updater?.update(connected: true)
#else
let container = sites?.getContainer(id: id)
let manager = container?.site.manager
manager?.loadFromPreferences { error in
// TODO: Handle load error
// This is silly but we need to enable the site each time to avoid situations where folks have multiple sites
manager?.isEnabled = true
manager?.saveToPreferences { error in
// TODO: Handle load error
manager?.loadFromPreferences { error in
// TODO: Handle load error
do {
container?.updater.startFunc = { () in
self.vpnRequest(command: "start", arguments: args, result: result)
}
try manager?.connection.startVPNTunnel(options: ["expectStart": NSNumber(1)])
} catch {
return result(CallFailedError(message: "Could not start site", details: error.localizedDescription))
}
try manager?.connection.startVPNTunnel(options: ["expectStart": NSNumber(1)])
} catch {
return result(CallFailedError(message: "Could not start site", details: error.localizedDescription))
}
}
}
}
#endif
#endif
}
func stopSite(call: FlutterMethodCall, result: @escaping FlutterResult) {
guard let args = call.arguments as? Dictionary<String, String> else { return result(NoArgumentsError()) }
guard let args = call.arguments as? [String: String] else { return result(NoArgumentsError()) }
guard let id = args["id"] else { return result(MissingArgumentError(message: "id is a required argument")) }
#if targetEnvironment(simulator)
let updater = self.sites?.getUpdater(id: id)
updater?.update(connected: false)
#else
let manager = self.sites?.getSite(id: id)?.manager
manager?.loadFromPreferences{ error in
//TODO: Handle load error
manager?.connection.stopVPNTunnel()
return result(nil)
}
#endif
#if targetEnvironment(simulator)
let updater = sites?.getUpdater(id: id)
updater?.update(connected: false)
#else
let manager = sites?.getSite(id: id)?.manager
manager?.loadFromPreferences { _ in
// TODO: Handle load error
manager?.connection.stopVPNTunnel()
return result(nil)
}
#endif
}
func vpnRequest(command: String, arguments: Any?, result: @escaping FlutterResult) {
guard let args = arguments as? Dictionary<String, Any> else { return result(NoArgumentsError()) }
guard let args = arguments as? [String: Any] else { return result(NoArgumentsError()) }
guard let id = args["id"] as? String else { return result(MissingArgumentError(message: "id is a required argument")) }
let container = sites?.getContainer(id: id)
if container == nil {
// No site for this id
return result(nil)
}
if !(container!.site.connected ?? false) {
// Site isn't connected, no point in sending a command
return result(nil)
@ -258,27 +252,27 @@ func MissingArgumentError(message: String, details: Any?) -> FlutterError {
if let session = container!.site.manager?.connection as? NETunnelProviderSession {
do {
try session.sendProviderMessage(try JSONEncoder().encode(IPCRequest(command: command, arguments: JSON(args)))) { data in
try session.sendProviderMessage(JSONEncoder().encode(IPCRequest(command: command, arguments: JSON(args)))) { data in
if data == nil {
return result(nil)
}
//print(String(decoding: data!, as: UTF8.self))
// print(String(decoding: data!, as: UTF8.self))
guard let res = try? JSONDecoder().decode(IPCResponse.self, from: data!) else {
return result(CallFailedError(message: "Failed to decode response"))
}
if res.type == .success {
return result(res.message?.object)
}
return result(CallFailedError(message: res.message?.debugDescription ?? "Failed to convert error"))
}
} catch {
return result(CallFailedError(message: error.localizedDescription))
}
} else {
//TODO: we have a site without a manager, things have gone weird. How to handle since this shouldn't happen?
// TODO: we have a site without a manager, things have gone weird. How to handle since this shouldn't happen?
result(nil)
}
}

View file

@ -5,14 +5,14 @@ class DNUpdater {
private let apiClient = APIClient()
private let timer = RepeatingTimer(timeInterval: 15 * 60) // 15 * 60 is 15 minutes
private let log = Logger(subsystem: "net.defined.mobileNebula", category: "DNUpdater")
func updateAll(onUpdate: @escaping (Site) -> ()) {
_ = SiteList{ (sites, _) -> () in
func updateAll(onUpdate: @escaping (Site) -> Void) {
_ = SiteList { sites, _ in
// NEVPN seems to force us onto the main thread and we are about to make network calls that
// could block for a while. Push ourselves onto another thread to avoid blocking the UI.
Task.detached(priority: .userInitiated) {
sites?.values.forEach { site in
if (site.connected == true) {
if site.connected == true {
// The vpn service is in charge of updating the currently connected site
return
}
@ -22,29 +22,29 @@ class DNUpdater {
}
}
}
func updateAllLoop(onUpdate: @escaping (Site) -> ()) {
func updateAllLoop(onUpdate: @escaping (Site) -> Void) {
timer.eventHandler = {
self.updateAll(onUpdate: onUpdate)
}
timer.resume()
}
func updateSingleLoop(site: Site, onUpdate: @escaping (Site) -> ()) {
func updateSingleLoop(site: Site, onUpdate: @escaping (Site) -> Void) {
timer.eventHandler = {
self.updateSite(site: site, onUpdate: onUpdate)
}
timer.resume()
}
func updateSite(site: Site, onUpdate: @escaping (Site) -> ()) {
func updateSite(site: Site, onUpdate: @escaping (Site) -> Void) {
do {
if (!site.managed) {
if !site.managed {
return
}
let credentials = try site.getDNCredentials()
let newSite: IncomingSite?
do {
newSite = try apiClient.tryUpdate(
@ -55,31 +55,31 @@ class DNUpdater {
trustedKeys: credentials.trustedKeys
)
} catch (APIClientError.invalidCredentials) {
if (!credentials.invalid) {
if !credentials.invalid {
try site.invalidateDNCredentials()
log.notice("Invalidated credentials in site: \(site.name, privacy: .public)")
}
return
}
let siteManager = site.manager
let shouldSaveToManager = siteManager != nil || ProcessInfo().isOperatingSystemAtLeast(OperatingSystemVersion(majorVersion: 17, minorVersion: 0, patchVersion: 0))
newSite?.save(manager: site.manager, saveToManager: shouldSaveToManager) { error in
if (error != nil) {
if error != nil {
self.log.error("failed to save update: \(error!.localizedDescription, privacy: .public)")
}
// reload nebula even if we couldn't save the vpn profile
onUpdate(Site(incoming: newSite!))
}
if (credentials.invalid) {
if credentials.invalid {
try site.validateDNCredentials()
log.notice("Revalidated credentials in site \(site.name, privacy: .public)")
}
} catch {
log.error("Error while updating \(site.name, privacy: .public): \(error.localizedDescription, privacy: .public)")
}
@ -88,7 +88,6 @@ class DNUpdater {
// From https://medium.com/over-engineering/a-background-repeating-timer-in-swift-412cecfd2ef9
class RepeatingTimer {
let timeInterval: TimeInterval
init(timeInterval: TimeInterval) {

View file

@ -5,11 +5,11 @@ class PackageInfo {
let version = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ??
"unknown"
let buildNumber = Bundle.main.infoDictionary?["CFBundleVersion"] as? String
if (buildNumber == nil) {
if buildNumber == nil {
return version
}
return "\(version)-\(buildNumber!)"
}
@ -18,7 +18,7 @@ class PackageInfo {
Bundle.main.infoDictionary?["CFBundleName"] as? String ??
"Nebula"
}
func getSystemVersion() -> String {
let osVersion = ProcessInfo.processInfo.operatingSystemVersion
return "\(osVersion.majorVersion).\(osVersion.minorVersion).\(osVersion.patchVersion)"

View file

@ -1,10 +1,10 @@
import NetworkExtension
import MobileNebula
import NetworkExtension
class SiteContainer {
var site: Site
var updater: SiteUpdater
init(site: Site, updater: SiteUpdater) {
self.site = site
self.updater = updater
@ -14,39 +14,39 @@ class SiteContainer {
class Sites {
private var containers = [String: SiteContainer]()
private var messenger: FlutterBinaryMessenger?
init(messenger: FlutterBinaryMessenger?) {
self.messenger = messenger
}
func loadSites(completion: @escaping ([String: Site]?, Error?) -> ()) {
_ = SiteList { (sites, err) in
if (err != nil) {
func loadSites(completion: @escaping ([String: Site]?, Error?) -> Void) {
_ = SiteList { sites, err in
if err != nil {
return completion(nil, err)
}
sites?.values.forEach{ site in
sites?.values.forEach { site in
var updater = self.containers[site.id]?.updater
if (updater != nil) {
if updater != nil {
updater!.setSite(site: site)
} else {
updater = SiteUpdater(messenger: self.messenger!, site: site)
}
self.containers[site.id] = SiteContainer(site: site, updater: updater!)
}
let justSites = self.containers.mapValues {
return $0.site
$0.site
}
completion(justSites, nil)
}
}
func deleteSite(id: String, callback: @escaping (Error?) -> ()) {
if let site = self.containers.removeValue(forKey: id) {
func deleteSite(id: String, callback: @escaping (Error?) -> Void) {
if let site = containers.removeValue(forKey: id) {
_ = KeyChain.delete(key: "\(site.site.id).dnCredentials")
_ = KeyChain.delete(key: "\(site.site.id).key")
do {
let fileManager = FileManager.default
let siteDir = try SiteList.getSiteDir(id: site.site.id)
@ -54,132 +54,132 @@ class Sites {
} catch {
print("Failed to delete site from fs: \(error.localizedDescription)")
}
#if !targetEnvironment(simulator)
site.site.manager!.removeFromPreferences(completionHandler: callback)
return
#endif
#if !targetEnvironment(simulator)
site.site.manager!.removeFromPreferences(completionHandler: callback)
return
#endif
}
// Nothing to remove
callback(nil)
}
func getSite(id: String) -> Site? {
return self.containers[id]?.site
return containers[id]?.site
}
func getUpdater(id: String) -> SiteUpdater? {
return self.containers[id]?.updater
return containers[id]?.updater
}
func getContainer(id: String) -> SiteContainer? {
return self.containers[id]
return containers[id]
}
}
class SiteUpdater: NSObject, FlutterStreamHandler {
private var eventSink: FlutterEventSink?;
private var eventChannel: FlutterEventChannel;
private var eventSink: FlutterEventSink?
private var eventChannel: FlutterEventChannel
private var site: Site
private var notification: Any?
public var startFunc: (() -> Void)?
private var configFd: Int32? = nil
private var configObserver: DispatchSourceFileSystemObject? = nil
init(messenger: FlutterBinaryMessenger, site: Site) {
do {
let configPath = try SiteList.getSiteConfigFile(id: site.id, createDir: false)
self.configFd = open(configPath.path, O_EVTONLY)
self.configObserver = DispatchSource.makeFileSystemObjectSource(
fileDescriptor: self.configFd!,
configFd = open(configPath.path, O_EVTONLY)
configObserver = DispatchSource.makeFileSystemObjectSource(
fileDescriptor: configFd!,
eventMask: .write
)
} catch {
// SiteList.getSiteConfigFile should never throw because we are not creating it here
self.configObserver = nil
configObserver = nil
}
eventChannel = FlutterEventChannel(name: "net.defined.nebula/\(site.id)", binaryMessenger: messenger)
self.site = site
super.init()
eventChannel.setStreamHandler(self)
self.configObserver?.setEventHandler(handler: self.configUpdated)
self.configObserver?.setCancelHandler {
configObserver?.setEventHandler(handler: configUpdated)
configObserver?.setCancelHandler {
if self.configFd != nil {
close(self.configFd!)
}
self.configObserver = nil
}
self.configObserver?.resume()
configObserver?.resume()
}
func setSite(site: Site) {
self.site = site
}
/// onListen is called when flutter code attaches an event listener
func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
eventSink = events;
#if !targetEnvironment(simulator)
if site.manager == nil {
//TODO: The dn updater path seems to race to build a site that lacks a manager. The UI does not display this error
// and a another listen should occur and succeed.
return FlutterError(code: "Internal Error", message: "Flutter manager was not present", details: nil)
}
self.notification = NotificationCenter.default.addObserver(forName: NSNotification.Name.NEVPNStatusDidChange, object: site.manager!.connection , queue: nil) { n in
let oldConnected = self.site.connected
self.site.status = statusString[self.site.manager!.connection.status]
self.site.connected = statusMap[self.site.manager!.connection.status]
// Check to see if we just moved to connected and if we have a start function to call when that happens
if self.site.connected! && oldConnected != self.site.connected && self.startFunc != nil {
self.startFunc!()
self.startFunc = nil
func onListen(withArguments _: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
eventSink = events
#if !targetEnvironment(simulator)
if site.manager == nil {
// TODO: The dn updater path seems to race to build a site that lacks a manager. The UI does not display this error
// and a another listen should occur and succeed.
return FlutterError(code: "Internal Error", message: "Flutter manager was not present", details: nil)
}
self.update(connected: self.site.connected!)
}
#endif
notification = NotificationCenter.default.addObserver(forName: NSNotification.Name.NEVPNStatusDidChange, object: site.manager!.connection, queue: nil) { _ in
let oldConnected = self.site.connected
self.site.status = statusString[self.site.manager!.connection.status]
self.site.connected = statusMap[self.site.manager!.connection.status]
// Check to see if we just moved to connected and if we have a start function to call when that happens
if self.site.connected!, oldConnected != self.site.connected, self.startFunc != nil {
self.startFunc!()
self.startFunc = nil
}
self.update(connected: self.site.connected!)
}
#endif
return nil
}
/// onCancel is called when the flutter listener stops listening
func onCancel(withArguments arguments: Any?) -> FlutterError? {
if (self.notification != nil) {
NotificationCenter.default.removeObserver(self.notification!)
func onCancel(withArguments _: Any?) -> FlutterError? {
if notification != nil {
NotificationCenter.default.removeObserver(notification!)
}
return nil
}
/// update is a way to send information to the flutter listener and generally should not be used directly
func update(connected: Bool, replaceSite: Site? = nil) {
if (replaceSite != nil) {
if replaceSite != nil {
site = replaceSite!
}
site.connected = connected
site.status = connected ? "Connected" : "Disconnected"
let encoder = JSONEncoder()
let data = try! encoder.encode(site)
self.eventSink?(String(data: data, encoding: .utf8))
eventSink?(String(data: data, encoding: .utf8))
}
private func configUpdated() {
if self.site.connected != true {
if site.connected != true {
return
}
guard let newSite = try? Site(manager: self.site.manager!) else {
guard let newSite = try? Site(manager: site.manager!) else {
return
}
self.update(connected: newSite.connected ?? false, replaceSite: newSite)
update(connected: newSite.connected ?? false, replaceSite: newSite)
}
}