@@ -3,17 +3,22 @@ import UIKit
class VCRecordings : UIViewController , UINavigationControllerDelegate {
private var currentRecording : Recording ?
private var recordingTimer : Timer ?
private var state : CurrentRecordingState = . Off
@IBOutlet private var headerView : UIView !
@IBOutlet private var buttonView : UIView !
@IBOutlet private var runningView : UIView !
@IBOutlet private var timeLabel : UILabel !
@IBOutlet private var stopButton : UIButton !
override func viewDidLoad ( ) {
timeLabel . font = timeLabel . font . monoSpace ( )
if let ongoing = RecordingsDB . getCurrent ( ) {
currentRecording = ongoing
startTimer ( animate : false )
// C u r r e n t l y t h i s c l a s s i s t h e o n l y o n e t h a t c h a n g e s t h e s t a t e ,
// i f t h a t e v e r c h a n g e s , m a k e s u r e t o u p d a t e l o c a l s t a t e a s w e l l
state = PrefsShared . CurrentlyRecording
startTimer ( animate : false , longterm : state = = . Background )
} else { // h i d e t i m e r i f n o t r u n n i n g
updateUI ( setRecording : false , animated : false )
}
@@ -50,44 +55,36 @@ class VCRecordings: UIViewController, UINavigationControllerDelegate {
}
currentRecording = RecordingsDB . startNew ( )
QLog . Debug ( " start recording # \( currentRecording ! . id ) " )
startTimer ( animate : true )
notifyVPN ( setRecording : true )
let longterm = sender . selectedSegmentIndex = = 1
startTimer ( animate : true , longterm : longterm )
notifyVPN ( setRecording : longterm ? . Background : . App )
}
@IBAction private func stopRecording ( _ sender : UIButton ) {
notifyVPN ( setRecording : false )
stopTimer ( animate : true )
RecordingsDB . stop ( & currentRecording ! )
let validRecording = ( state = = . Background ) = = currentRecording ! . isLongTerm
notifyVPN ( setRecording : . Off ) // w i l l c h a n g e s t a t e = . O f f
stopTimer ( )
QLog . Debug ( " stop recording # \( currentRecording ! . id ) " )
let editVC = ( children . first as ! TVCPreviousRecords )
editVC . insertAndEditRecording ( currentRecording ! )
RecordingsDB . stop ( & currentRecording ! )
if validRecording {
let editVC = ( children . first as ! TVCPreviousRecords )
editVC . insertAndEditRecording ( currentRecording ! )
} else {
QLog . Debug ( " Discard illegal recording # \( currentRecording ! . id ) " )
RecordingsDB . delete ( currentRecording ! )
}
currentRecording = nil // o t h e r w i s e i t w i l l r e s t a r t
}
private func notifyVPN ( setRecording state : Bool ) {
private func notifyVPN ( setRecording state : CurrentRecordingState ) {
PrefsShared . CurrentlyRecording = state
self . state = state
GlassVPN . send ( . isRecording ( state ) )
}
private func startTimer ( animate : Bool ) {
guard let r = currentRecording , r . stop = = nil else {
return
}
recordingTimer = Timer . repeating ( 0.086 , call : #selector ( timerCallback ( _ : ) ) , on : self , userInfo : Date ( r . start ) )
updateUI ( setRecording : true , animated : animate )
}
@objc private func timerCallback ( _ sender : Timer ) {
timeLabel . text = TimeFormat . since ( sender . userInfo as ! Date , millis : true )
}
private func stopTimer ( animate : Bool ) {
recordingTimer ? . invalidate ( )
recordingTimer = nil
updateUI ( setRecording : false , animated : animate )
}
private func updateUI ( setRecording : Bool , animated : Bool ) {
stopButton . tag = 99 // t a g u s e d i n t i m e r C a l l b a c k ( )
stopButton . setTitle ( " " , for : . normal ) // p r e v e n t f l a s h i n g w h i l e a n i m a t i n g i n a n d o u t
let block = {
self . headerView . isHidden = setRecording
self . buttonView . isHidden = setRecording
@@ -96,6 +93,34 @@ class VCRecordings: UIViewController, UINavigationControllerDelegate {
animated ? UIView . animate ( withDuration : 0.3 , animations : block ) : block ( )
}
private func startTimer ( animate : Bool , longterm : Bool ) {
guard let r = currentRecording , r . stop = = nil else {
return
}
updateUI ( setRecording : true , animated : animate )
let freq = longterm ? 1 : 0.086
let obj = ( longterm , Date ( r . start ) )
recordingTimer = Timer . repeating ( freq , call : #selector ( timerCallback ( _ : ) ) , on : self , userInfo : obj )
recordingTimer ! . fire ( ) // u p d a t e l a b e l i m m e d i a t e l y
}
private func stopTimer ( ) {
recordingTimer ? . invalidate ( )
recordingTimer = nil
updateUI ( setRecording : false , animated : true )
}
@objc private func timerCallback ( _ sender : Timer ) {
let ( slow , start ) = sender . userInfo as ! ( Bool , Date )
timeLabel . text = TimeFormat . since ( start , millis : ! slow , hours : slow )
let valid = slow = = currentRecording ! . isLongTerm
let validInt = ( valid ? 1 : 0 )
if stopButton . tag != validInt {
stopButton . tag = validInt
stopButton . setTitle ( valid ? " Stop " : slow ? " Cancel " : " Discard " , for : . normal )
}
}
// MARK: T u t o r i a l V i e w C o n t r o l l e r
@@ -103,13 +128,21 @@ class VCRecordings: UIViewController, UINavigationControllerDelegate {
let x = TutorialSheet ( )
x . addSheet ( ) . addArrangedSubview ( QuickUI . text ( attributed : NSMutableAttributedString ( )
. h1 ( " How to record? \n " )
. normal ( " \n Before you begin a new recording make sure that you quit all running applications . " +
" Tap on the 'Start Recording' button and switch to th e applicatio n y ou'd like to inspect. " +
" Use the App as you would normally. Try to get to all corners and functionality the App provides. " +
" When you feel that you have captured enough content, come back to " ) . italic ( " AppCheck " ) . normal ( " and stop the recording. " +
" \n \n " +
" Upon completion you will find your recording in the section below . " +
" You can review your results and remove user specific information if necessary ." )
. normal ( " \n There are two types: specific app recordings and general background activity . " +
" The former are usually 3 – to b e at least a n h our long. " )
. h2 ( " \n \n App recording \n " )
. normal ( " Before you begin make sure that you quit all running applications and wait a few seconds. " +
" Tap on the 'App' recording button and switch to the application you'd like to inspect. " +
" Use the App as you would normally. Try to get to all corners and functionality the App provides . " +
" When you feel that you have captured enough content, come back to " ) . italic ( " AppCheck " ) . normal ( " and stop the recording ." )
. h2 ( " \n \n Background recording \n " )
. normal ( " Will answer one simple question: What communications happen while you aren't using your device. " +
" You should solely start a background recording when you know you aren't going to use your device in the near future. " +
" For example, before you go to bed. \n " +
" As soon as you start using your device, you should stop the recording to avoid distorting the results. " )
. h2 ( " \n \n Finish \n " )
. normal ( " Upon completion you will find your recording in the section below. " +
" You can review your results and remove any user specific information if necessary. \n " )
) )
x . buttonTitleDone = " Close "
x . present ( )
@@ -120,10 +153,10 @@ class VCRecordings: UIViewController, UINavigationControllerDelegate {
x . addSheet ( ) . addArrangedSubview ( QuickUI . text ( attributed : NSMutableAttributedString ( )
. h1 ( " What are Recordings? \n " )
. normal ( " \n Similar to the default logging, recordings will intercept every request and log it for later review. " +
" R ecordings are usually 3 – " +
" You can utilize recordings for App analysis or to get a ground truth for background traffic. " +
" App r ecordings are usually 3 – " +
" You can utilize recordings for App analysis or to get a ground truth on background traffic. " +
" \n \n " +
" Optionally, you can help us by providing app specific recordings. " +
" Optionally, you can help us by providing your app specific recordings. " +
" Together with your findings we can create a community driven privacy monitor. " +
" The research results will help you and others avoid Apps that unnecessarily share data with third-party providers. " )
) )
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