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tray.go
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tray.go
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package main
import (
"fmt"
"os/exec"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"fyne.io/systray"
"github.com/safing/portbase/log"
"github.com/safing/portmaster-ui/notifier/icons"
)
const (
shortenStatusMsgTo = 40
)
var (
trayLock sync.Mutex
activeIconID int = -1
activeStatusMsg = ""
activeSPNStatus = ""
activeSPNSwitch = ""
menuItemStatusMsg *systray.MenuItem
menuItemSPNStatus *systray.MenuItem
menuItemSPNSwitch *systray.MenuItem
// TODO: Enable when auto detection is available.
// menuItemAutoDetect *systray.MenuItem
menuItemTrusted *systray.MenuItem
menuItemUntrusted *systray.MenuItem
menuItemDanger *systray.MenuItem
menuItemRateNetwork *systray.MenuItem
)
func init() {
// lock until ready
trayLock.Lock()
}
func tray() {
systray.Run(onReady, onExit)
}
func exitTray() {
systray.Quit()
}
func onReady() {
// unlock when ready
defer trayLock.Unlock()
// icon
systray.SetIcon(icons.ColoredIcons[icons.RedID])
// systray.SetTitle("Portmaster Notifier") // Don't set title, as it may be displayed in full in the menu/tray bar. (Ubuntu)
systray.SetTooltip("The Notifier provides a minimal interface to the Portmaster and sends notifications to your desktop.")
// menu: open app
if dataDir != "" {
menuItemOpenApp := systray.AddMenuItem("Open App", "")
go clickListener(menuItemOpenApp, launchApp)
systray.AddSeparator()
}
// menu: status
menuItemStatusMsg = systray.AddMenuItem("Loading...", "")
menuItemStatusMsg.Disable()
systray.AddSeparator()
// menu: SPN
menuItemSPNStatus = systray.AddMenuItem("Loading...", "")
menuItemSPNStatus.Disable()
menuItemSPNSwitch = systray.AddMenuItem("Loading...", "")
go clickListener(menuItemSPNSwitch, func() {
ToggleSPN()
})
systray.AddSeparator()
// menu: network rating
menuItemRateNetwork = systray.AddMenuItem("Rate Your Network", "")
menuItemRateNetwork.Disable()
// TODO: Enable when auto detection is available.
// menuItemAutoDetect = systray.AddMenuItem("Auto Detect", "")
// go clickListener(menuItemAutoDetect, func() {
// SelectSecurityLevel(SecurityLevelAutoDetect)
// })
menuItemTrusted = systray.AddMenuItemCheckbox("Trusted", "Home", false)
go clickListener(menuItemTrusted, func() {
SelectSecurityLevel(SecurityLevelTrusted)
})
menuItemUntrusted = systray.AddMenuItemCheckbox("Untrusted", "Public Wifi", false)
go clickListener(menuItemUntrusted, func() {
SelectSecurityLevel(SecurityLevelUntrusted)
})
menuItemDanger = systray.AddMenuItemCheckbox("Danger", "Hacked Network", false)
go clickListener(menuItemDanger, func() {
SelectSecurityLevel(SecurityLevelDanger)
})
// menu: quit
systray.AddSeparator()
closeTray := systray.AddMenuItem("Close Tray Notifier", "")
go clickListener(closeTray, func() {
cancelMainCtx()
})
shutdownPortmaster := systray.AddMenuItem("Shut Down Portmaster", "")
go clickListener(shutdownPortmaster, func() {
TriggerShutdown()
time.Sleep(1 * time.Second)
cancelMainCtx()
})
}
func onExit() {
}
func triggerTrayUpdate() {
// TODO: Deduplicate triggers.
go updateTray()
}
// updateTray update the state of the tray depending on the currently available information.
func updateTray() {
// Get current information.
systemStatus := GetStatus()
spnStatus := GetSPNStatus()
failureID, failureMsg := GetFailure()
trayLock.Lock()
defer trayLock.Unlock()
// Select icon and status message to show.
newIconID := icons.GreenID
newStatusMsg := "Secure"
switch {
case shuttingDown.IsSet():
newIconID = icons.RedID
newStatusMsg = "Shutting Down Portmaster"
case restarting.IsSet():
newIconID = icons.YellowID
newStatusMsg = "Restarting Portmaster"
case !connected.IsSet():
newIconID = icons.RedID
newStatusMsg = "Connecting to Portmaster"
case systemStatus.ActiveSecurityLevel < systemStatus.ThreatMitigationLevel:
newIconID = icons.RedID
newStatusMsg = fmt.Sprintf(
"Threat detected, please switch to %s or Auto Detect for mitigation.",
fmtSecurityLevel(systemStatus.ThreatMitigationLevel),
)
case failureID == FailureError:
newIconID = icons.RedID
newStatusMsg = failureMsg
case failureID == FailureWarning:
newIconID = icons.YellowID
newStatusMsg = failureMsg
case spnEnabled.IsSet():
newIconID = icons.BlueID
}
// Set icon if changed.
if newIconID != activeIconID {
activeIconID = newIconID
systray.SetIcon(icons.ColoredIcons[activeIconID])
}
// Set message if changed.
if newStatusMsg != activeStatusMsg {
activeStatusMsg = newStatusMsg
// Shorten message if too long.
shortenedMsg := activeStatusMsg
if len(shortenedMsg) > shortenStatusMsgTo && strings.Contains(shortenedMsg, ". ") {
shortenedMsg = strings.SplitN(shortenedMsg, ". ", 2)[0]
}
if len(shortenedMsg) > shortenStatusMsgTo {
shortenedMsg = shortenedMsg[:shortenStatusMsgTo] + "..."
}
menuItemStatusMsg.SetTitle("Status: " + shortenedMsg)
}
// Set SPN status if changed.
if spnStatus != nil && activeSPNStatus != spnStatus.Status {
activeSPNStatus = spnStatus.Status
menuItemSPNStatus.SetTitle("SPN: " + strings.Title(activeSPNStatus))
}
// Set SPN switch if changed.
newSPNSwitch := "Enable SPN"
if spnEnabled.IsSet() {
newSPNSwitch = "Disable SPN"
}
if activeSPNSwitch != newSPNSwitch {
activeSPNSwitch = newSPNSwitch
menuItemSPNSwitch.SetTitle(activeSPNSwitch)
}
// Set security levels on menu item.
// TODO: Enable when auto detection is available.
// if systemStatus.SelectedSecurityLevel == SecurityLevelAutoDetect {
// menuItemAutoDetect.Check()
// } else {
// menuItemAutoDetect.Uncheck()
// }
switch systemStatus.ActiveSecurityLevel {
case SecurityLevelAutoDetect:
// This will be the case when offline.
menuItemTrusted.Uncheck()
menuItemUntrusted.Uncheck()
menuItemDanger.Uncheck()
case SecurityLevelTrusted:
menuItemTrusted.Check()
menuItemUntrusted.Uncheck()
menuItemDanger.Uncheck()
case SecurityLevelUntrusted:
menuItemTrusted.Uncheck()
menuItemUntrusted.Check()
menuItemDanger.Uncheck()
case SecurityLevelDanger:
menuItemTrusted.Uncheck()
menuItemUntrusted.Uncheck()
menuItemDanger.Check()
}
items := []*systray.MenuItem{
menuItemRateNetwork,
menuItemTrusted,
menuItemUntrusted,
menuItemDanger,
}
for _, i := range items {
if i == nil {
continue
}
if networkRatingEnabled.IsSet() {
log.Debugf("%s: showing item", i.String())
i.Show()
} else {
log.Debugf("%s: hiding item", i.String())
i.Hide()
}
}
log.Infof(
"tray: set to selected=%s active=%s icon=%d msg=%q",
fmtSecurityLevel(systemStatus.SelectedSecurityLevel),
fmtSecurityLevel(systemStatus.ActiveSecurityLevel),
newIconID,
newStatusMsg,
)
}
func clickListener(item *systray.MenuItem, fn func()) {
for range item.ClickedCh {
fn()
}
}
func launchApp() {
// build path to app
pmStartPath := filepath.Join(dataDir, "portmaster-start")
if runtime.GOOS == "windows" {
pmStartPath += ".exe"
}
// start app
cmd := exec.Command(pmStartPath, "app", "--data", dataDir)
err := cmd.Start()
if err != nil {
log.Warningf("failed to start app: %s", err)
return
}
// Use cmd.Wait() instead of cmd.Process.Release() to properly release its resources.
// See https://github.com/golang/go/issues/36534
go func() {
err := cmd.Wait()
if err != nil {
log.Warningf("failed to wait/release app process: %s", err)
}
}()
}