func bytes2pixbuf(data []byte, typ string) *gdkpixbuf.Pixbuf {
var loader *gdkpixbuf.Loader
if strings.Index(typ, "jpeg") >= 0 {
loader, _ = gdkpixbuf.NewLoaderWithMimeType("image/jpeg")
} else {
loader, _ = gdkpixbuf.NewLoaderWithMimeType("image/png")
}
loader.SetSize(24, 24)
loader.Write(data)
loader.Close()
return loader.GetPixbuf()
}
// ShortTime creates a GTK fullscreen window for the shorttime clients.
// No username/password required, only click 'start' button to log in
func ShortTime(client string, minutes int) (user string) {
// Inital window configuration
window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
defer window.Destroy()
window.Fullscreen()
window.SetKeepAbove(true)
window.SetTitle("Mycel Login")
// Build GUI
frame := gtk.NewFrame("Logg deg på " + client)
frame.SetLabelAlign(0.5, 0.5)
var imageLoader *gdkpixbuf.Loader
imageLoader, _ = gdkpixbuf.NewLoaderWithMimeType("image/png")
imageLoader.Write(logo_png())
imageLoader.Close()
logo := gtk.NewImageFromPixbuf(imageLoader.GetPixbuf())
info := gtk.NewLabel("")
info.SetMarkup("<span foreground='red'>Dette er en korttidsmaskin\nMaks " +
strconv.Itoa(minutes) + " minutter!</span>")
button := gtk.NewButtonWithLabel("\nStart\n")
vbox := gtk.NewVBox(false, 20)
vbox.SetBorderWidth(20)
vbox.Add(logo)
vbox.Add(info)
vbox.Add(button)
frame.Add(vbox)
center := gtk.NewAlignment(0.5, 0.5, 0, 0)
center.Add(frame)
window.Add(center)
// Connect GUI event signals to function callbacks
button.Connect("clicked", func() {
gtk.MainQuit()
})
window.Connect("delete-event", func() bool {
return true
})
window.ShowAll()
gtk.Main()
return "Anonym"
}
// Login creates a GTK fullscreen window where users can log inn.
// It returns when a user successfully authenticates.
func Login(hostAPI, client string, extraMinutes, agel, ageh int) (user string, minutes int, userType string) {
// Inital window configuration
window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
defer window.Destroy()
window.Fullscreen()
window.SetKeepAbove(true)
window.SetTitle("Mycel Login")
// Build GUI
frame := gtk.NewFrame("Logg deg på " + client)
frame.SetLabelAlign(0.5, 0.5)
var imageLoader *gdkpixbuf.Loader
imageLoader, _ = gdkpixbuf.NewLoaderWithMimeType("image/png")
imageLoader.Write(logo_png())
imageLoader.Close()
logo := gtk.NewImageFromPixbuf(imageLoader.GetPixbuf())
button := gtk.NewButtonWithLabel("Logg inn")
userlabel := gtk.NewLabel("Lånenummer/brukernavn")
pinlabel := gtk.NewLabel("PIN-kode/passord")
table := gtk.NewTable(3, 2, false)
userentry := gtk.NewEntry()
userentry.SetMaxLength(10)
userentry.SetSizeRequest(150, 23)
pinentry := gtk.NewEntry()
pinentry.SetVisibility(false)
pinentry.SetMaxLength(10)
table.Attach(userlabel, 0, 1, 0, 1, gtk.FILL, gtk.FILL, 7, 5)
table.Attach(userentry, 1, 2, 0, 1, gtk.FILL, gtk.FILL, 7, 5)
table.Attach(pinlabel, 0, 1, 1, 2, gtk.FILL, gtk.FILL, 7, 5)
table.Attach(pinentry, 1, 2, 1, 2, gtk.FILL, gtk.FILL, 7, 5)
table.Attach(button, 1, 2, 2, 3, gtk.FILL, gtk.FILL, 7, 5)
error := gtk.NewLabel("")
vbox := gtk.NewVBox(false, 20)
vbox.SetBorderWidth(20)
vbox.Add(logo)
vbox.Add(table)
vbox.Add(error)
frame.Add(vbox)
center := gtk.NewAlignment(0.5, 0.5, 0, 0)
center.Add(frame)
window.Add(center)
// Functions to validate and check responses
checkResponse := func(username, password string) {
user, err := authenticate(hostAPI, username, password)
if err != nil {
log.Println("authentication API call failed: ", err)
//error.SetMarkup("<span foreground='red'>Fikk ikke kontakt med server, vennligst prøv igjen!</span>")
error.SetMarkup("<span foreground='red'>Feil lånenummer/brukernavn eller PIN/passord</span>")
return
}
if !user.Authenticated {
error.SetMarkup("<span foreground='red'>" + user.Message + "</span>")
return
}
if user.Minutes+extraMinutes <= 0 && user.Type != "G" {
error.SetMarkup("<span foreground='red'>Beklager, du har brukt opp kvoten din for i dag!</span>")
return
}
if user.Type == "G" && user.Minutes <= 0 {
error.SetMarkup("<span foreground='red'>Beklager, du har brukt opp kvoten din for i dag!</span>")
return
}
if user.Age < agel || user.Age > ageh {
error.SetMarkup("<span foreground='red'>Denne maskinen er kun for de mellom " +
strconv.Itoa(agel) + " og " + strconv.Itoa(ageh) + "</span>")
return
}
// sucess!
userType = user.Type
minutes = user.Minutes
// set printer billing
//LNUMMER
cmd := exec.Command("/bin/sh", "-c", "/usr/bin/lpoptions -p publikumsskriver -o job-billing="+username)
output, err := cmd.CombinedOutput()
if err != nil {
log.Println("failed to set printer billing options: ", string(output))
}
gtk.MainQuit()
return
}
validate := func(ctx *glib.CallbackContext) {
arg := ctx.Args(0)
kev := *(**gdk.EventKey)(unsafe.Pointer(&arg))
username := userentry.GetText()
password := pinentry.GetText()
if kev.Keyval == gdk.KEY_Return {
if username == "" && password == "" {
return
}
if username != "" && password == "" {
pinentry.GrabFocus()
return
}
if password != "" && username == "" {
userentry.GrabFocus()
return
}
checkResponse(username, password)
return
}
}
// Connect GUI event signals to function callbacks
pinentry.Connect("key-press-event", validate)
userentry.Connect("key-press-event", validate)
button.Connect("clicked", func() {
username := userentry.GetText()
password := pinentry.GetText()
if (username == "") || (password == "") {
error.SetMarkup("<span foreground='red'>Skriv inn ditt lånenummer og PIN-kode</span>")
userentry.GrabFocus()
return
}
checkResponse(username, password)
})
window.Connect("delete-event", func() bool {
return true
})
window.ShowAll()
gtk.Main()
user = userentry.GetText()
return
}