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wireguard-apple
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Code Issues Packages Projects Releases Wiki Activity

iOS: Ability to view the log

This commit is contained in:
Roopesh Chander 2019-03-28 19:28:27 +05:30
parent 16b9f191d9
commit f36f7e456c
4 changed files with 146 additions and 42 deletions
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4
WireGuard/WireGuard.xcodeproj/project.pbxproj
View File

@ -160,6 +160,7 @@
6FDB3C3C21DCF6BB00A0C0BF /* TunnelViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F628C3C217F09E9003482A3 /* TunnelViewModel.swift */; };
6FDB6D13224A15BF00EE4BC3 /* LogViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDB6D12224A15BE00EE4BC3 /* LogViewController.swift */; };
6FDB6D15224CB2CE00EE4BC3 /* LogViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDB6D14224CB2CE00EE4BC3 /* LogViewCell.swift */; };
6FDB6D18224CC05A00EE4BC3 /* LogViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDB6D16224CC04E00EE4BC3 /* LogViewController.swift */; };
6FDEF7E421846C1A00D8FBF6 /* libwg-go.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 6FDEF7E321846C1A00D8FBF6 /* libwg-go.a */; };
6FDEF7E62185EFB200D8FBF6 /* QRScanViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7E52185EFAF00D8FBF6 /* QRScanViewController.swift */; };
6FDEF7FB21863B6100D8FBF6 /* unzip.c in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7F621863B6100D8FBF6 /* unzip.c */; };
@ -364,6 +365,7 @@
6FDB3C3A21DCF47400A0C0BF /* TunnelDetailTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelDetailTableViewController.swift; sourceTree = "<group>"; };
6FDB6D12224A15BE00EE4BC3 /* LogViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LogViewController.swift; sourceTree = "<group>"; };
6FDB6D14224CB2CE00EE4BC3 /* LogViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogViewCell.swift; sourceTree = "<group>"; };
6FDB6D16224CC04E00EE4BC3 /* LogViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogViewController.swift; sourceTree = "<group>"; };
6FDEF7E321846C1A00D8FBF6 /* libwg-go.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = "libwg-go.a"; sourceTree = BUILT_PRODUCTS_DIR; };
6FDEF7E52185EFAF00D8FBF6 /* QRScanViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = QRScanViewController.swift; sourceTree = "<group>"; };
6FDEF7F621863B6100D8FBF6 /* unzip.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = unzip.c; sourceTree = "<group>"; };
@ -461,6 +463,7 @@
6F7774DF217181B1006A79B3 /* MainViewController.swift */,
6F8F0D7622267C57000E8335 /* SSIDOptionEditTableViewController.swift */,
6F9B8A8D223398610041B9C4 /* SSIDOptionDetailTableViewController.swift */,
6FDB6D16224CC04E00EE4BC3 /* LogViewController.swift */,
);
path = ViewController;
sourceTree = "<group>";
@ -1343,6 +1346,7 @@
6B586C53220CBA6D00427C51 /* Data+KeyEncoding.swift in Sources */,
6F693A562179E556008551C1 /* Endpoint.swift in Sources */,
6FDEF7E62185EFB200D8FBF6 /* QRScanViewController.swift in Sources */,
6FDB6D18224CC05A00EE4BC3 /* LogViewController.swift in Sources */,
6FFA5D952194454A0001E2F7 /* NETunnelProviderProtocol+Extension.swift in Sources */,
5FF7B96221CC95DE00A7DD74 /* InterfaceConfiguration.swift in Sources */,
5F4541A921C451D100994C13 /* TunnelStatus.swift in Sources */,

10
WireGuard/WireGuard/Base.lproj/Localizable.strings
View File

@ -209,10 +209,14 @@
"settingsSectionTitleExportConfigurations" = "Export configurations";
"settingsExportZipButtonTitle" = "Export zip archive";
"settingsSectionTitleTunnelLog" = "Tunnel log";
"settingsExportLogFileButtonTitle" = "Export log file";
"settingsSectionTitleTunnelLog" = "Log";
"settingsViewLogButtonTitle" = "View log";
// Settings alerts
// Log view
"logViewTitle" = "Log";
// Log alerts
"alertUnableToRemovePreviousLogTitle" = "Log export failed";
"alertUnableToRemovePreviousLogMessage" = "The pre-existing log could not be cleared";

127
WireGuard/WireGuard/UI/iOS/ViewController/LogViewController.swift Normal file
View File

@ -0,0 +1,127 @@
// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import UIKit
class LogViewController: UIViewController {
let textView: UITextView = {
let textView = UITextView()
textView.isEditable = false
textView.isSelectable = false
textView.font = UIFont.preferredFont(forTextStyle: UIFont.TextStyle.body)
textView.adjustsFontForContentSizeCategory = true
return textView
}()
let busyIndicator: UIActivityIndicatorView = {
let busyIndicator = UIActivityIndicatorView(style: .gray)
busyIndicator.hidesWhenStopped = true
return busyIndicator
}()
var logViewHelper: LogViewHelper?
var isFetchingLogEntries = false
private var updateLogEntriesTimer: Timer?
override func loadView() {
view = UIView()
view.backgroundColor = .white
view.addSubview(textView)
textView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
textView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
textView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
textView.topAnchor.constraint(equalTo: view.topAnchor),
textView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
])
view.addSubview(busyIndicator)
busyIndicator.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
busyIndicator.centerXAnchor.constraint(equalTo: view.centerXAnchor),
busyIndicator.centerYAnchor.constraint(equalTo: view.centerYAnchor)
])
busyIndicator.startAnimating()
logViewHelper = LogViewHelper(logFilePath: FileManager.logFileURL?.path)
startUpdatingLogEntries()
}
override func viewDidLoad() {
title = tr("logViewTitle")
navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .save, target: self, action: #selector(saveTapped(sender:)))
}
func updateLogEntries() {
guard !isFetchingLogEntries else { return }
isFetchingLogEntries = true
logViewHelper?.fetchLogEntriesSinceLastFetch { [weak self] fetchedLogEntries in
guard let self = self else { return }
defer {
self.isFetchingLogEntries = false
}
if self.busyIndicator.isAnimating {
self.busyIndicator.stopAnimating()
}
guard !fetchedLogEntries.isEmpty else { return }
let isScrolledToEnd = self.textView.contentSize.height - self.textView.bounds.height - self.textView.contentOffset.y < 1
let text = fetchedLogEntries.reduce("") { $0 + $1.text() + "\n" }
self.textView.insertText(text)
if isScrolledToEnd {
let endOfCurrentText = NSRange(location: (self.textView.text as NSString).length, length: 0)
self.textView.scrollRangeToVisible(endOfCurrentText)
}
}
}
func startUpdatingLogEntries() {
updateLogEntries()
updateLogEntriesTimer?.invalidate()
let timer = Timer(timeInterval: 1 /* second */, repeats: true) { [weak self] _ in
self?.updateLogEntries()
}
updateLogEntriesTimer = timer
RunLoop.main.add(timer, forMode: .common)
}
@objc func saveTapped(sender: AnyObject) {
guard let destinationDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return }
let dateFormatter = ISO8601DateFormatter()
dateFormatter.formatOptions = [.withFullDate, .withTime, .withTimeZone] // Avoid ':' in the filename
let timeStampString = dateFormatter.string(from: Date())
let destinationURL = destinationDir.appendingPathComponent("wireguard-log-\(timeStampString).txt")
DispatchQueue.global(qos: .userInitiated).async {
if FileManager.default.fileExists(atPath: destinationURL.path) {
let isDeleted = FileManager.deleteFile(at: destinationURL)
if !isDeleted {
ErrorPresenter.showErrorAlert(title: tr("alertUnableToRemovePreviousLogTitle"), message: tr("alertUnableToRemovePreviousLogMessage"), from: self)
return
}
}
let isWritten = Logger.global?.writeLog(to: destinationURL.path) ?? false
DispatchQueue.main.async {
guard isWritten else {
ErrorPresenter.showErrorAlert(title: tr("alertUnableToWriteLogTitle"), message: tr("alertUnableToWriteLogMessage"), from: self)
return
}
let activityVC = UIActivityViewController(activityItems: [destinationURL], applicationActivities: nil)
if let sender = sender as? UIBarButtonItem {
activityVC.popoverPresentationController?.barButtonItem = sender
}
activityVC.completionWithItemsHandler = { _, _, _, _ in
// Remove the exported log file after the activity has completed
_ = FileManager.deleteFile(at: destinationURL)
}
self.present(activityVC, animated: true)
}
}
}
}

47
WireGuard/WireGuard/UI/iOS/ViewController/SettingsTableViewController.swift
View File

@ -10,14 +10,14 @@ class SettingsTableViewController: UITableViewController {
case iosAppVersion
case goBackendVersion
case exportZipArchive
case exportLogFile
case viewLog
var localizedUIString: String {
switch self {
case .iosAppVersion: return tr("settingsVersionKeyWireGuardForIOS")
case .goBackendVersion: return tr("settingsVersionKeyWireGuardGoBackend")
case .exportZipArchive: return tr("settingsExportZipButtonTitle")
case .exportLogFile: return tr("settingsExportLogFileButtonTitle")
case .viewLog: return tr("settingsViewLogButtonTitle")
}
}
}
@ -25,7 +25,7 @@ class SettingsTableViewController: UITableViewController {
let settingsFieldsBySection: [[SettingsFields]] = [
[.iosAppVersion, .goBackendVersion],
[.exportZipArchive],
[.exportLogFile]
[.viewLog]
]
let tunnelsManager: TunnelsManager?
@ -108,41 +108,10 @@ class SettingsTableViewController: UITableViewController {
}
}
func exportLogForLastActivatedTunnel(sourceView: UIView) {
guard let destinationDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return }
func presentLogView() {
let logVC = LogViewController()
navigationController?.pushViewController(logVC, animated: true)
let dateFormatter = ISO8601DateFormatter()
dateFormatter.formatOptions = [.withFullDate, .withTime, .withTimeZone] // Avoid ':' in the filename
let timeStampString = dateFormatter.string(from: Date())
let destinationURL = destinationDir.appendingPathComponent("wireguard-log-\(timeStampString).txt")
DispatchQueue.global(qos: .userInitiated).async {
if FileManager.default.fileExists(atPath: destinationURL.path) {
let isDeleted = FileManager.deleteFile(at: destinationURL)
if !isDeleted {
ErrorPresenter.showErrorAlert(title: tr("alertUnableToRemovePreviousLogTitle"), message: tr("alertUnableToRemovePreviousLogMessage"), from: self)
return
}
}
let isWritten = Logger.global?.writeLog(to: destinationURL.path) ?? false
DispatchQueue.main.async {
guard isWritten else {
ErrorPresenter.showErrorAlert(title: tr("alertUnableToWriteLogTitle"), message: tr("alertUnableToWriteLogMessage"), from: self)
return
}
let activityVC = UIActivityViewController(activityItems: [destinationURL], applicationActivities: nil)
activityVC.popoverPresentationController?.sourceView = sourceView
activityVC.popoverPresentationController?.sourceRect = sourceView.bounds
activityVC.completionWithItemsHandler = { _, _, _, _ in
// Remove the exported log file after the activity has completed
_ = FileManager.deleteFile(at: destinationURL)
}
self.present(activityVC, animated: true)
}
}
}
}
@ -192,11 +161,11 @@ extension SettingsTableViewController {
}
return cell
} else {
assert(field == .exportLogFile)
assert(field == .viewLog)
let cell: ButtonCell = tableView.dequeueReusableCell(for: indexPath)
cell.buttonText = field.localizedUIString
cell.onTapped = { [weak self] in
self?.exportLogForLastActivatedTunnel(sourceView: cell.button)
self?.presentLogView()
}
return cell
}