127 lines
3.9 KiB
Swift
127 lines
3.9 KiB
Swift
//
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// DebugLogViewController.swift
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// Passepartout-iOS
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//
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// Created by Davide De Rosa on 6/12/18.
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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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//
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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 UIKit
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import SwiftyBeaver
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private let log = SwiftyBeaver.self
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class DebugLogViewController: UIViewController {
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@IBOutlet private weak var textLog: UITextView!
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private let vpn = VPN.shared
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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override func awakeFromNib() {
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super.awakeFromNib()
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applyDetailTitle(Theme.current)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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title = L10n.Service.Cells.DebugLog.caption
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textLog.contentInsetAdjustmentBehavior = .never
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NotificationCenter.default.addObserver(self, selector: #selector(vpnDidPrepare), name: .VPNDidPrepare, object: nil)
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if vpn.isPrepared {
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startRefreshingLog()
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}
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}
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@IBAction private func share(_ sender: Any?) {
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guard let raw = textLog.text, !raw.isEmpty else {
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let alert = Macros.alert(title, L10n.DebugLog.Alerts.EmptyLog.message)
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alert.addCancelAction(L10n.Global.ok)
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present(alert, animated: true, completion: nil)
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return
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}
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let data = DebugLog(raw: raw).decoratedData()
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let path = NSTemporaryDirectory().appending(AppConstants.IssueReporter.Filenames.debugLog)
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let url = URL(fileURLWithPath: path)
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do {
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try data.write(to: url)
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} catch let e {
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log.error("Failed saving temporary debug log file: \(e)")
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return
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}
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let vc = UIActivityViewController(activityItems: [url], applicationActivities: nil)
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vc.popoverPresentationController?.barButtonItem = sender as? UIBarButtonItem
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vc.completionWithItemsHandler = { (type, completed, items, error) in
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try? FileManager.default.removeItem(at: url)
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}
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present(vc, animated: true, completion: nil)
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}
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@IBAction private func previousSession() {
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textLog.findPrevious(string: GroupConstants.VPN.sessionMarker)
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}
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@IBAction private func nextSession() {
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textLog.findNext(string: GroupConstants.VPN.sessionMarker)
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}
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private func startRefreshingLog() {
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vpn.requestDebugLog(fallback: AppConstants.Log.debugSnapshot) {
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self.textLog.text = $0
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DispatchQueue.main.async {
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self.textLog.scrollToEnd()
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self.refreshLogInBackground()
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}
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}
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}
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private func refreshLogInBackground() {
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let updateBlock = {
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DispatchQueue.main.asyncAfter(deadline: .now() + AppConstants.Log.viewerRefreshInterval) { [weak self] in
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self?.refreshLogInBackground()
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}
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}
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// only update if screen is visible
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guard let _ = viewIfLoaded?.window else {
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updateBlock()
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return
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}
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vpn.requestDebugLog(fallback: AppConstants.Log.debugSnapshot) {
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self.textLog.text = $0
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updateBlock()
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}
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}
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// MARK: Notifications
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@objc private func vpnDidPrepare() {
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startRefreshingLog()
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}
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}
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