535 lines
16 KiB
Go
535 lines
16 KiB
Go
package main
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import (
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"errors"
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encrypt "fckeuspy-go/lib"
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"image/color"
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"io"
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"os"
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"time"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/canvas"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/dialog"
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"fyne.io/fyne/v2/storage"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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)
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type uiParts struct {
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outKey *widget.Entry
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msg *widget.Entry
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peer *widget.Entry
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cipherOut *widget.Entry
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payload *widget.Entry
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plainOut *widget.Entry
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toastLabel *widget.Label
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cipherQR *canvas.Image
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pubQR *canvas.Image
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crtQR *canvas.Image
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showQR bool
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peerQR *canvas.Image
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showPeerQR bool
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payloadQR *canvas.Image
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showPayloadQR bool
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}
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func buildEntries() *uiParts {
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p := &uiParts{
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outKey: widget.NewMultiLineEntry(),
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msg: widget.NewMultiLineEntry(),
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peer: widget.NewMultiLineEntry(),
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cipherOut: widget.NewMultiLineEntry(),
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payload: widget.NewMultiLineEntry(),
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plainOut: widget.NewMultiLineEntry(),
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toastLabel: widget.NewLabel(""),
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cipherQR: canvas.NewImageFromImage(nil),
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pubQR: canvas.NewImageFromImage(nil),
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crtQR: canvas.NewImageFromImage(nil),
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showQR: true,
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peerQR: canvas.NewImageFromImage(nil),
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showPeerQR: true,
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payloadQR: canvas.NewImageFromImage(nil),
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showPayloadQR: true,
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}
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p.cipherQR.FillMode = canvas.ImageFillContain
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p.cipherQR.SetMinSize(fyne.NewSize(260, 260))
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p.pubQR.FillMode = canvas.ImageFillContain
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p.pubQR.SetMinSize(fyne.NewSize(220, 220))
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p.crtQR.FillMode = canvas.ImageFillContain
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p.crtQR.SetMinSize(fyne.NewSize(220, 220))
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p.peerQR.FillMode = canvas.ImageFillContain
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p.peerQR.SetMinSize(fyne.NewSize(220, 220))
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p.payloadQR.FillMode = canvas.ImageFillContain
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p.payloadQR.SetMinSize(fyne.NewSize(260, 260))
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p.outKey.SetPlaceHolder("Veřejný klíč / certifikát…")
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p.msg.SetPlaceHolder("Sem napiš zprávu…")
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p.peer.SetPlaceHolder("-----BEGIN PUBLIC KEY----- … nebo CERTIFICATE …")
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p.cipherOut.SetPlaceHolder(`{"ek":"…","n":"…","ct":"…"}`)
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p.payload.SetPlaceHolder(`{"ek":"…","n":"…","ct":"…"}`)
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p.plainOut.SetPlaceHolder("Dešifrovaná zpráva…")
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// Zvýšení výšky (více řádků viditelně)
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p.outKey.SetMinRowsVisible(10)
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p.peer.SetMinRowsVisible(6)
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p.msg.SetMinRowsVisible(8)
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p.cipherOut.SetMinRowsVisible(8)
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p.payload.SetMinRowsVisible(8)
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p.plainOut.SetMinRowsVisible(8)
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p.toastLabel.Hide()
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return p
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}
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func (p *uiParts) showToast(msg string) {
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fyne.Do(func() {
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p.toastLabel.SetText(msg)
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p.toastLabel.Show()
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})
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time.AfterFunc(1500*time.Millisecond, func() {
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fyne.Do(func() {
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if p.toastLabel.Text == msg { // avoid race if overwritten
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p.toastLabel.SetText("")
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p.toastLabel.Hide()
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}
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})
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})
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}
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// custom fixed dark theme
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type simpleTheme struct{}
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func (simpleTheme) Color(n fyne.ThemeColorName, v fyne.ThemeVariant) color.Color {
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base := theme.DefaultTheme().Color(n, v)
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if n == theme.ColorNameBackground || n == theme.ColorNameButton {
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return color.NRGBA{R: 30, G: 34, B: 39, A: 255}
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}
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return base
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}
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func (simpleTheme) Font(st fyne.TextStyle) fyne.Resource { return theme.DefaultTheme().Font(st) }
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func (simpleTheme) Icon(n fyne.ThemeIconName) fyne.Resource { return theme.DefaultTheme().Icon(n) }
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func (simpleTheme) Size(n fyne.ThemeSizeName) float32 { return theme.DefaultTheme().Size(n) }
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var forceDark = true
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// Build key section
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func buildIdentityTab(parts *uiParts, svc ServiceFacade, vaultPath string) fyne.CanvasObject {
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btnCopyPub := widget.NewButton("Copy public.pem", func() { copyClip(svc.PublicPEM(), parts) })
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btnCopyCrt := widget.NewButton("Copy identity.crt", func() { copyClip(svc.PublicCert(), parts) })
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btnShowPub := widget.NewButton("Show pub", func() { parts.outKey.SetText(svc.PublicPEM()) })
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btnShowCrt := widget.NewButton("Show crt", func() { parts.outKey.SetText(svc.PublicCert()) })
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btnClear := widget.NewButton("Clear", func() { parts.outKey.SetText("") })
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btnPaste := widget.NewButton("Paste", func() { parts.outKey.SetText(fyne.CurrentApp().Clipboard().Content()) })
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deleteBtn := widget.NewButton("Smazat identitu", func() {
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pwEntry := widget.NewPasswordEntry()
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pwEntry.SetPlaceHolder("Heslo pro potvrzení…")
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content := widget.NewForm(widget.NewFormItem("Heslo", pwEntry))
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dialog.ShowCustomConfirm("Potvrdit smazání", "Smazat", "Zrušit", content, func(ok bool) {
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if !ok {
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return
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}
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pw := pwEntry.Text
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if pw == "" {
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dialog.NewError(errors.New("heslo je prázdné"), fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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if _, err := encrypt.OpenEncryptedStore(vaultPath, pw); err != nil {
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dialog.NewError(errors.New("neplatné heslo"), fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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if err := os.Remove(vaultPath); err != nil {
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dialog.NewError(err, fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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fyne.CurrentApp().Quit()
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}, fyne.CurrentApp().Driver().AllWindows()[0])
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})
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makeQR := func(data string, target *canvas.Image) {
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if data == "" {
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target.Image = nil
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target.Refresh()
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return
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}
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pngBytes, err := GenerateQRPNG(data, 512)
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if err != nil {
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return
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}
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img, err := LoadPNG(pngBytes)
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if err != nil {
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return
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}
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target.Image = img
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target.Refresh()
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}
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updateQRImages := func() {
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if parts.showQR {
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makeQR(svc.PublicPEM(), parts.pubQR)
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makeQR(svc.PublicCert(), parts.crtQR)
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} else {
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parts.pubQR.Image = nil
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parts.pubQR.Refresh()
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parts.crtQR.Image = nil
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parts.crtQR.Refresh()
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}
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}
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identityContainer := container.NewVBox()
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toggleBtn := widget.NewButton("", nil)
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var rebuild func()
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rebuild = func() {
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identityContainer.Objects = nil
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if parts.showQR {
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updateQRImages()
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// Wrap each QR with its copy button
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pubBox := container.NewVBox(parts.pubQR, widget.NewButton("Copy", func() { copyClip(svc.PublicPEM(), parts) }))
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crtBox := container.NewVBox(parts.crtQR, widget.NewButton("Copy", func() { copyClip(svc.PublicCert(), parts) }))
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identityContainer.Add(container.NewGridWithColumns(2, pubBox, crtBox))
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} else {
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// show combined text for convenience
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parts.outKey.SetText(svc.PublicPEM() + "\n" + svc.PublicCert())
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identityContainer.Add(parts.outKey)
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}
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identityContainer.Refresh()
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if parts.showQR {
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toggleBtn.SetText("Zobrazit plaintext")
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} else {
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toggleBtn.SetText("Zobrazit QR")
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}
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}
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toggleBtn.OnTapped = func() { parts.showQR = !parts.showQR; rebuild() }
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rebuild()
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tileIdentity := buttonTile(btnCopyPub, btnCopyCrt, btnPaste, btnShowPub, btnShowCrt, btnClear, deleteBtn, toggleBtn)
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group := container.NewVBox(
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widget.NewLabelWithStyle("Moje identita", fyne.TextAlignLeading, fyne.TextStyle{Bold: true}),
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tileIdentity,
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identityContainer,
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)
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return container.NewVScroll(group)
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}
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// Helper functions separated to avoid circular dependency with encrypt.Service
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// We'll adapt by passing a small facade interface if needed.
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type ServiceFacade interface {
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Encrypt(msg, peer string) (string, error)
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Decrypt(json string) (string, error)
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PublicPEM() string
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PublicCert() string
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}
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func copyClip(s string, parts *uiParts) {
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fyne.CurrentApp().Clipboard().SetContent(s)
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parts.showToast("Zkopírováno")
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}
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// (Removed legacy buildEncryptSection and buildDecryptSection)
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// assembleResponsive builds split view that collapses for narrow widths
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// Tab: Encrypt
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func buildEncryptTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
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parts.cipherOut.Disable()
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peerBtns := buttonTile(
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widget.NewButton("Paste", func() { parts.peer.SetText(fyne.CurrentApp().Clipboard().Content()) }),
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widget.NewButton("Clear", func() { parts.peer.SetText("") }),
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widget.NewButton("Copy", func() { copyClip(parts.peer.Text, parts) }),
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)
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peerContainer := container.NewVBox()
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peerToggle := widget.NewButton("", nil)
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var updatePeer func()
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updatePeerQR := func(text string) {
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if text == "" {
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parts.peerQR.Image = nil
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parts.peerQR.Refresh()
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return
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}
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pngBytes, err := GenerateQRPNG(text, 512)
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if err != nil {
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return
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}
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img, err := LoadPNG(pngBytes)
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if err != nil {
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return
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}
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parts.peerQR.Image = img
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parts.peerQR.Refresh()
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}
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updatePeer = func() {
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peerContainer.Objects = nil
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if parts.showPeerQR {
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updatePeerQR(parts.peer.Text)
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peerContainer.Add(container.NewVBox(parts.peerQR, widget.NewButton("Copy", func() { copyClip(parts.peer.Text, parts) })))
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peerToggle.SetText("Zobrazit plaintext")
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} else {
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peerContainer.Add(parts.peer)
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peerToggle.SetText("Zobrazit QR")
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}
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peerContainer.Refresh()
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}
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peerToggle.OnTapped = func() { parts.showPeerQR = !parts.showPeerQR; updatePeer() }
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parts.peer.OnChanged = func(string) {
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if parts.showPeerQR {
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updatePeerQR(parts.peer.Text)
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}
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}
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updatePeer()
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updateQR := func(text string) {
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if text == "" {
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parts.cipherQR.Image = nil
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parts.cipherQR.Refresh()
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return
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}
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pngBytes, err := GenerateQRPNG(text, 512)
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if err != nil {
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parts.showToast("QR error")
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return
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}
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img, err := LoadPNG(pngBytes)
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if err != nil {
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parts.showToast("PNG err")
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return
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}
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parts.cipherQR.Image = img
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parts.cipherQR.Refresh()
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}
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encAction := func() {
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m := parts.msg.Text
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p := parts.peer.Text
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if m == "" || p == "" {
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parts.showToast("Chybí data")
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return
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}
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go func(msg, peer string) {
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res, err := svc.Encrypt(msg, peer)
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if err != nil {
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fyne.Do(func() { parts.cipherOut.SetText(""); updateQR(""); parts.showToast("Chyba") })
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return
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}
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fyne.Do(func() {
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parts.cipherOut.SetText(res)
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if parts.showQR {
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updateQR(res)
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}
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parts.showToast("OK")
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})
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}(m, p)
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}
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importPeerQR := func() {
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fd := dialog.NewFileOpen(func(r fyne.URIReadCloser, err error) {
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if err != nil || r == nil {
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return
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}
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defer r.Close()
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data, _ := io.ReadAll(r)
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img, err := LoadPNG(data)
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if err != nil {
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dialog.NewError(err, fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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text, err := DecodeQR(img)
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if err != nil {
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dialog.NewError(err, fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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parts.peer.SetText(text)
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}, fyne.CurrentApp().Driver().AllWindows()[0])
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fd.SetFilter(storage.NewExtensionFileFilter([]string{".png"}))
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fd.Show()
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}
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outputContainer := container.NewVBox()
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toggleBtn := widget.NewButton("", nil)
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var updateMode func()
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updateMode = func() {
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outputContainer.Objects = nil
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if parts.showQR {
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updateQR(parts.cipherOut.Text)
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outputContainer.Add(container.NewVBox(parts.cipherQR, widget.NewButton("Copy", func() { copyClip(parts.cipherOut.Text, parts) })))
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} else {
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outputContainer.Add(parts.cipherOut)
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}
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if parts.showQR {
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toggleBtn.SetText("Zobrazit plaintext")
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} else {
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toggleBtn.SetText("Zobrazit QR")
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}
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outputContainer.Refresh()
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}
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toggleBtn.OnTapped = func() { parts.showQR = !parts.showQR; updateMode() }
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updateMode()
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msgBtns := buttonTile(
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widget.NewButton("Clear+Paste", func() { parts.msg.SetText(""); parts.msg.SetText(fyne.CurrentApp().Clipboard().Content()) }),
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widget.NewButton("Encrypt", func() { encAction(); updateMode() }),
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widget.NewButton("Copy", func() { copyClip(parts.cipherOut.Text, parts) }),
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widget.NewButton("Import Key QR", importPeerQR),
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)
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group := container.NewVBox(
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widget.NewLabelWithStyle("Šifrování", fyne.TextAlignLeading, fyne.TextStyle{Bold: true}),
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container.NewHBox(widget.NewLabel("Veřejný klíč příjemce"), peerToggle), peerBtns, peerContainer,
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widget.NewLabel("Zpráva"), msgBtns, parts.msg,
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container.NewHBox(widget.NewLabel("Výstup"), toggleBtn),
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outputContainer,
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)
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return container.NewVScroll(group)
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}
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// Tab: Decrypt
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func buildDecryptTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
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parts.plainOut.Disable()
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decryptAction := func() {
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pl := parts.payload.Text
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if pl == "" {
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parts.showToast("Chybí payload")
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return
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}
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go func(js string) {
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res, err := svc.Decrypt(js)
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if err != nil {
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fyne.Do(func() { parts.plainOut.SetText(""); parts.showToast("Chyba") })
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return
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}
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fyne.Do(func() { parts.plainOut.SetText(res); parts.showToast("OK") })
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}(pl)
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}
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updatePayloadQR := func(text string) {
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if text == "" {
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parts.payloadQR.Image = nil
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parts.payloadQR.Refresh()
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return
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}
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pngBytes, err := GenerateQRPNG(text, 512)
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if err != nil {
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return
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}
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img, err := LoadPNG(pngBytes)
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if err != nil {
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return
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}
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parts.payloadQR.Image = img
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parts.payloadQR.Refresh()
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}
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importPayloadQR := func() {
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fd := dialog.NewFileOpen(func(r fyne.URIReadCloser, err error) {
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if err != nil || r == nil {
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return
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}
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defer r.Close()
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data, _ := io.ReadAll(r)
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img, err := LoadPNG(data)
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if err != nil {
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dialog.NewError(err, fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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text, err := DecodeQR(img)
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if err != nil {
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dialog.NewError(err, fyne.CurrentApp().Driver().AllWindows()[0]).Show()
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return
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}
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parts.payload.SetText(text)
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if parts.showPayloadQR {
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updatePayloadQR(text)
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}
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decryptAction()
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}, fyne.CurrentApp().Driver().AllWindows()[0])
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fd.SetFilter(storage.NewExtensionFileFilter([]string{".png"}))
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fd.Show()
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}
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payloadBtns := buttonTile(
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widget.NewButton("Paste+Decrypt", func() {
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clip := fyne.CurrentApp().Clipboard().Content()
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parts.payload.SetText(clip)
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if parts.showPayloadQR {
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updatePayloadQR(clip)
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}
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decryptAction()
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}),
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widget.NewButton("Clear", func() {
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parts.payload.SetText("")
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parts.plainOut.SetText("")
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if parts.showPayloadQR {
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updatePayloadQR("")
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}
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}),
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widget.NewButton("QR Import", importPayloadQR),
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)
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payloadContainer := container.NewVBox()
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payloadToggle := widget.NewButton("", nil)
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var updateMode func()
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updateMode = func() {
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payloadContainer.Objects = nil
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if parts.showPayloadQR {
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updatePayloadQR(parts.payload.Text)
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payloadContainer.Add(container.NewVBox(parts.payloadQR, widget.NewButton("Copy", func() { copyClip(parts.payload.Text, parts) })))
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payloadToggle.SetText("Zobrazit plaintext")
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} else {
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payloadContainer.Add(parts.payload)
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payloadToggle.SetText("Zobrazit QR")
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}
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payloadContainer.Refresh()
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}
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payloadToggle.OnTapped = func() { parts.showPayloadQR = !parts.showPayloadQR; updateMode() }
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parts.payload.OnChanged = func(string) {
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if parts.showPayloadQR {
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updatePayloadQR(parts.payload.Text)
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}
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}
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updateMode()
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plainBtns := buttonTile(widget.NewButton("Copy", func() { copyClip(parts.plainOut.Text, parts) }))
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group := container.NewVBox(
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widget.NewLabelWithStyle("Dešifrování", fyne.TextAlignLeading, fyne.TextStyle{Bold: true}),
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container.NewHBox(widget.NewLabel("Payload"), payloadToggle), payloadBtns, payloadContainer,
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widget.NewLabel("Výsledek"), plainBtns, parts.plainOut,
|
|
)
|
|
return container.NewVScroll(group)
|
|
}
|
|
|
|
func buildTabbedUI(parts *uiParts, svc ServiceFacade, vaultPath string) fyne.CanvasObject {
|
|
idTab := container.NewTabItem("Identita", buildIdentityTab(parts, svc, vaultPath))
|
|
encTab := container.NewTabItem("Šifrování", buildEncryptTab(parts, svc))
|
|
decTab := container.NewTabItem("Dešifrování", buildDecryptTab(parts, svc))
|
|
tabs := container.NewAppTabs(idTab, encTab, decTab)
|
|
tabs.SetTabLocation(container.TabLocationTop)
|
|
|
|
// apply fixed dark theme once
|
|
fyne.CurrentApp().Settings().SetTheme(simpleTheme{})
|
|
prefs := fyne.CurrentApp().Preferences()
|
|
if prefs != nil {
|
|
idx := prefs.IntWithFallback("lastTab", 0)
|
|
if idx >= 0 && idx < len(tabs.Items) {
|
|
tabs.SelectIndex(idx)
|
|
}
|
|
// only persist lastTab now
|
|
}
|
|
tabs.OnSelected = func(ti *container.TabItem) {
|
|
if prefs != nil {
|
|
prefs.SetInt("lastTab", tabs.SelectedIndex())
|
|
}
|
|
}
|
|
return container.NewBorder(nil, parts.toastLabel, nil, nil, tabs)
|
|
}
|
|
|
|
// buttonTile renders buttons above a related entry with a colored background spanning full width
|
|
func buttonTile(btns ...fyne.CanvasObject) fyne.CanvasObject {
|
|
if len(btns) == 0 {
|
|
return widget.NewLabel("")
|
|
}
|
|
cols := len(btns)
|
|
if cols > 3 {
|
|
cols = 3
|
|
} // wrap into multiple rows if many
|
|
grid := container.NewGridWithColumns(cols, btns...)
|
|
bgColor := color.NRGBA{R: 240, G: 240, B: 245, A: 255}
|
|
if forceDark {
|
|
bgColor = color.NRGBA{R: 50, G: 54, B: 60, A: 255}
|
|
}
|
|
rect := canvas.NewRectangle(bgColor)
|
|
rect.SetMinSize(fyne.NewSize(100, 38))
|
|
padded := container.NewPadded(grid)
|
|
return container.NewStack(rect, padded)
|
|
}
|