Finalize v1.15
This commit is contained in:
Evan Su
GitHub
parent
c59d8f0f69
commit
69c2b49a48
116
src/Picocrypt.go
116
src/Picocrypt.go
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@ -2,7 +2,7 @@ package main
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/*
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Picocrypt v1.14
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Picocrypt v1.15
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Copyright (c) Evan Su (https://evansu.cc)
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Released under a GNU GPL v3 License
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https://github.com/HACKERALERT/Picocrypt
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@ -21,6 +21,7 @@ import (
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"os"
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"os/exec"
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"math"
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"math/big"
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"time"
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"sync"
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"hash"
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@ -69,7 +70,7 @@ import (
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)
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var version = "v1.14"
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var version = "v1.15"
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//go:embed NotoSans-Regular.ttf
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var font []byte
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@ -118,6 +119,8 @@ var splitUnits = []string{
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"GiB",
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}
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var splitSelected int32 // Index of which splitting unit was chosen from above
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var shredPasses = "4"
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var stopShredding = false
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var shredProgress float32
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var shredDone float32
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var shredTotal float32 // Total files to shred (recursive)
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@ -171,6 +174,9 @@ var sha3_256_selected = false
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var blake2b_selected = false
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var blake2s_selected = false
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// Link to a Wikipedia article on Reed-Solomon
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var rsWikipedia = "https://en.wikipedia.org/wiki/Reed%E2%80%93Solomon_error_correction"
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// Create the UI
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func startUI(){
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giu.SingleWindow().Layout(
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@ -291,11 +297,21 @@ func startUI(){
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// Prompt for password
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giu.Row(
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giu.Label("Password:"),
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giu.SmallButton("Generate").OnClick(func(){
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tmp := genPassword()
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password = tmp
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cPassword = tmp
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passwordStrength = zxcvbn.PasswordStrength(password,nil).Score
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giu.Update()
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}),
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giu.SmallButton("Copy").OnClick(func(){
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clipboard.WriteAll(password)
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}),
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giu.Dummy(-200,0),
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giu.Label(keyfilePrompt),
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),
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giu.Row(
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giu.InputText(&password).Size(240/dpi).Flags(giu.InputTextFlagsPassword).OnChange(func(){
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giu.InputText(&password).Size(241/dpi).Flags(giu.InputTextFlagsPassword).OnChange(func(){
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passwordStrength = zxcvbn.PasswordStrength(password,nil).Score
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}),
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@ -325,7 +341,10 @@ func startUI(){
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int(math.Round(float64(6*dpi))),
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int(math.Round(float64(12*dpi))),
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))
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canvas.PathArcTo(path,8*dpi,0,float32(passwordStrength+1)/5*(2*math.Pi),-1)
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canvas.PathArcTo(path,
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8*dpi,-math.Pi/2,
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float32(passwordStrength+1)/5*(2*math.Pi)-math.Pi/2,
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-1)
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canvas.PathStroke(col,false,3)
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}),
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giu.Dummy(-200,0),
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@ -348,7 +367,7 @@ func startUI(){
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// Prompt to confirm password
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giu.Label("Confirm password:"),
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giu.Row(
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giu.InputText(&cPassword).Size(240/dpi).Flags(giu.InputTextFlagsPassword),
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giu.InputText(&cPassword).Size(241/dpi).Flags(giu.InputTextFlagsPassword),
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giu.Custom(func(){
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canvas := giu.GetCanvas()
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pos := giu.GetCursorScreenPos()
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@ -388,12 +407,14 @@ func startUI(){
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giu.Row(
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giu.Checkbox("Encode with Reed-Solomon to prevent corruption (slow)",&reedsolo),
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giu.Button("?").Size(24,25).OnClick(func(){
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browser.OpenURL("https://bit.ly/3A2V7LR")
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browser.OpenURL(rsWikipedia)
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}),
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).Build()
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giu.Row(
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giu.Checkbox("Split output into chunks of",&split),
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giu.InputText(&splitSize).Size(50).Flags(giu.InputTextFlagsCharsDecimal),
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giu.InputText(&splitSize).Size(50).Flags(giu.InputTextFlagsCharsDecimal).OnChange(func(){
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split = true
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}),
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giu.Combo("##splitter",splitUnits[splitSelected],splitUnits,&splitSelected).Size(52),
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).Build()
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giu.Dummy(0,1).Build()
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@ -567,9 +588,28 @@ func startUI(){
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tab = 2
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}
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}),
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giu.Label("Drop file(s) and folder(s) here to shred them."),
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giu.ProgressBar(shredProgress).Overlay(shredOverlay).Size(-0.0000001,0),
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giu.Custom(func(){
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if runtime.GOOS=="darwin"{
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giu.Label("Number of passes: Not supported on macOS").Build()
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}else{
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giu.Row(
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giu.Label("Number of passes:"),
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giu.InputText(&shredPasses).Size(16).Flags(giu.InputTextFlagsCharsDecimal),
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).Build()
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}
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}),
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giu.Dummy(0,-50),
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giu.Row(
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giu.ProgressBar(shredProgress).Overlay(shredOverlay).Size(-65,0),
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giu.Button("Cancel").Size(58,0).OnClick(func(){
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stopShredding = true
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shredding = "Ready."
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shredProgress = 0
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shredOverlay = ""
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}),
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),
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giu.Custom(func(){
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if len(shredding)>50{
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shredding = "....."+shredding[len(shredding)-50:]
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@ -688,7 +728,7 @@ func onDrop(names []string){
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fin.Close()
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return
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}
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if valid,_:=regexp.Match(`^v\d\.\d{2}.{10}0?\d+`,tmp);!valid{
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if valid,_:=regexp.Match(`^v\d\.\d{2}.{10}0?\d+`,tmp);!valid&&!isSplit{
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resetUI()
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_status = "This doesn't seem to be a Picocrypt volume."
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_status_color = color.RGBA{0xff,0x00,0x00,255}
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@ -1633,6 +1673,7 @@ func generateChecksums(file string){
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// Recursively shred all file(s) and folder(s) passed in as 'names'
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func shred(names []string,separate bool){
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stopShredding = false
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shredTotal = 0
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shredDone = 0
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@ -1669,6 +1710,9 @@ func shred(names []string,separate bool){
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if err!=nil{
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return nil
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}
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if stopShredding{
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return nil
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}
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stat,_ := os.Stat(path)
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if !stat.IsDir(){
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if len(coming)==128{
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@ -1678,15 +1722,15 @@ func shred(names []string,separate bool){
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wg.Add(1)
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go func(wg *sync.WaitGroup,id int,j string){
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defer wg.Done()
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shredding = j
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cmd := exec.Command("")
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if runtime.GOOS=="linux"{
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cmd = exec.Command("shred","-ufvz","-n","3",j)
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cmd = exec.Command("shred","-ufvz","-n",shredPasses,j)
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}else{
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cmd = exec.Command("rm","-rfP",j)
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}
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cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
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cmd.Run()
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shredding = j
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shredDone++
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shredUpdate(separate)
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giu.Update()
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@ -1701,32 +1745,37 @@ func shred(names []string,separate bool){
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return nil
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})
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for _,i := range coming{
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if stopShredding{
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break
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}
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go func(){
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shredding = i
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cmd := exec.Command("")
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if runtime.GOOS=="linux"{
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cmd = exec.Command("shred","-ufvz","-n","3",i)
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cmd = exec.Command("shred","-ufvz","-n",shredPasses,i)
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}else{
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cmd = exec.Command("rm","-rfP",i)
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}
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cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
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cmd.Run()
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shredding = i
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shredDone++
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shredUpdate(separate)
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giu.Update()
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}()
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}
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os.RemoveAll(name)
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if !stopShredding{
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os.RemoveAll(name)
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}
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}else{ // The path is a file, not a directory, so just shred it
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shredding = name
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cmd := exec.Command("")
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if runtime.GOOS=="linux"{
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cmd = exec.Command("shred","-ufvz","-n","3",name)
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cmd = exec.Command("shred","-ufvz","-n",shredPasses,name)
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}else{
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cmd = exec.Command("rm","-rfP",name)
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}
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cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
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cmd.Run()
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shredding = name+"/*"
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shredDone++
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shredUpdate(separate)
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}
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@ -1740,6 +1789,10 @@ func shred(names []string,separate bool){
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}
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stat,_ := os.Stat(path)
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if stat.IsDir(){
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if stopShredding{
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return nil
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}
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t := 0
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files,_ := ioutil.ReadDir(path)
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for _,f := range files{
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@ -1749,18 +1802,23 @@ func shred(names []string,separate bool){
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}
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shredDone += float32(t)
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shredUpdate(separate)
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cmd := exec.Command(sdelete64path,"*","-p","4")
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shredding = strings.ReplaceAll(path,"\\","/")+"/*"
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cmd := exec.Command(sdelete64path,"*","-p",shredPasses)
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cmd.Dir = path
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cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
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cmd.Run()
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shredding = strings.ReplaceAll(path,"\\","/")+"/*"
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giu.Update()
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}
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return nil
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})
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// sdelete64 doesn't delete the empty folder, so I'll do it manually
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os.RemoveAll(name)
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if !stopShredding{
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// sdelete64 doesn't delete the empty folder, so I'll do it manually
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os.RemoveAll(name)
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}
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}else{
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cmd := exec.Command(sdelete64path,name,"-p","4")
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shredding = name
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cmd := exec.Command(sdelete64path,name,"-p",shredPasses)
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cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
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cmd.Run()
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shredDone++
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@ -1768,6 +1826,9 @@ func shred(names []string,separate bool){
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}
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}
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giu.Update()
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if stopShredding{
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return
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}
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}
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// Clear UI state
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@ -1866,6 +1927,17 @@ func humanize(seconds int) string{
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return fmt.Sprintf("%02d:%02d:%02d",hours,minutes,seconds)
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}
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// Generate cryptographically secure high-entropy passwords
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func genPassword() string{
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chars := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-=!@#$^&()_+?"
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tmp := make([]byte,32)
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for i:=0;i<32;i++{
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j,_ := rand.Int(rand.Reader,new(big.Int).SetUint64(uint64(len(chars))))
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tmp[i] = chars[j.Int64()]
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}
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return string(tmp)
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}
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func main(){
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// Create a temporary file to store sdelete64.exe
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sdelete64,_ := os.CreateTemp("","sdelete64.*.exe")
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