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main.go
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main.go
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//go:build windows
// +build windows
package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"github.com/lxn/walk"
"github.com/rhysd/go-github-selfupdate/selfupdate"
log "github.com/sirupsen/logrus"
"github.com/stuartleeks/pick-a-browser/pkg/appstate"
"github.com/stuartleeks/pick-a-browser/pkg/config"
)
// Overridden via ldflags
var (
version = "0.0.1-devbuild"
commit = "unknown"
date = "unknown"
)
const updateCheckInterval time.Duration = 4 * time.Hour // TODO - make configurable
func main() {
settings, err := config.LoadSettings()
if err != nil {
walk.MsgBox(nil, "pick-a-browser error...", fmt.Sprintf("Error loading settings:\n %s", err), walk.MsgBoxOK)
return
}
err = configureLogger(settings)
if err != nil {
walk.MsgBox(nil, "pick-a-browser error...", fmt.Sprintf("Error creating logger:\n %s", err), walk.MsgBoxOK)
}
logger := log.WithField("PID", os.Getpid())
args := os.Args[1:]
logger.Infoln("pick-a-browser.exe starting ", args)
if len(args) > 0 {
switch args[0] {
case "--install":
logger.Infoln("Installing")
err := HandleInstall()
if err == nil {
logger.Infoln("Install succeeded")
walk.MsgBox(nil, "pick-a-browser", "Installed!", walk.MsgBoxOK|walk.MsgBoxIconInformation)
} else {
logger.Errorln("Install failed", err)
walk.MsgBox(nil, "pick-a-browser", err.Error(), walk.MsgBoxOK|walk.MsgBoxIconError)
}
return
case "--uninstall":
logger.Infoln("Uninstalling")
err := HandleUninstall()
if err == nil {
logger.Infoln("Uninstall succeeded")
walk.MsgBox(nil, "pick-a-browser", "Uninstalled!", walk.MsgBoxOK|walk.MsgBoxIconInformation)
} else {
logger.Errorln("Uninstall failed", err)
walk.MsgBox(nil, "pick-a-browser", err.Error(), walk.MsgBoxOK|walk.MsgBoxIconError)
}
return
case "--update":
logger.Infoln("Updating")
err := HandleUpdate()
if err == nil {
logger.Infoln("Update failed", err)
} else {
logger.Errorln("Update failed", err)
walk.MsgBox(nil, "pick-a-browser", err.Error(), walk.MsgBoxOK|walk.MsgBoxIconError)
}
return
case "--browser-scan":
logger.Infoln("BrowserScan")
err := HandleBrowserScan(settings)
if err == nil {
logger.Infoln("BrowserScan completed")
} else {
logger.Errorln("BrowserScan failed", err)
walk.MsgBox(nil, "pick-a-browser", err.Error(), walk.MsgBoxOK|walk.MsgBoxIconError)
}
return
case "--version":
logger.Traceln("Showing version dialog")
walk.MsgBox(nil, "pick-a-browser", fmt.Sprintf("Version: %s (%s, %s)", version, commit, date), walk.MsgBoxOK)
return
}
}
if len(args) > 1 {
logger.Errorln("Invalid args", args)
walk.MsgBox(nil, "pick-a-browser error...", "Expected a single arg with the url", walk.MsgBoxOK)
return
}
updated, err := PerformUpdateCheck(settings)
if err != nil {
logger.Errorln("UpdateCheck failed", err)
walk.MsgBox(nil, "pick-a-browser error...", fmt.Sprintf("Failed to update:\n%s", err), walk.MsgBoxOK|walk.MsgBoxIconError)
}
if updated {
// launch the updated exe with original args and exit
cmd := exec.Command(os.Args[0], args...)
logger.Infoln("Updated - re-launching...")
if err = cmd.Start(); err != nil {
logger.Errorln("Error re-launching after update", err)
walk.MsgBox(nil, "pick-a-browser error...", fmt.Sprintf("Failed to re-launch after update:\n%s", err), walk.MsgBoxOK|walk.MsgBoxIconError)
}
return
}
url := ""
if len(args) == 1 {
url = args[0]
}
logger.Debugln("HandleUrl:", url)
err = HandleUrl(url, settings)
if err != nil {
logger.Errorln("HandleUrl failed", err)
walk.MsgBox(nil, "pick-a-browser error...", fmt.Sprintf("Error handling URL:\n%s", err), walk.MsgBoxOK|walk.MsgBoxIconError)
}
}
func PerformUpdateCheck(settings *config.Settings) (bool, error) {
state, err := appstate.Load()
if err != nil {
return false, err
}
if settings.UpdateCheck == config.UpdateCheckAuto || settings.UpdateCheck == config.UpdateCheckPrompt {
if time.Now().After(state.LastUpdateCheck.Add(updateCheckInterval)) {
latest, err := CheckForUpdate(version)
if err != nil {
return false, err
}
state.LastUpdateCheck = time.Now().UTC()
if err = appstate.Save(state); err != nil {
return false, fmt.Errorf("error checking for updates:\n%s", err)
}
if latest == nil {
return false, nil
}
// apply on auto
apply := settings.UpdateCheck == config.UpdateCheckAuto
if settings.UpdateCheck == config.UpdateCheckPrompt {
result := walk.MsgBox(nil, "pick-a-browser update...", fmt.Sprintf("Version %s is available\n\n Update?", latest.Version), walk.MsgBoxYesNo|walk.MsgBoxIconQuestion)
apply = result == walk.DlgCmdYes
}
if apply {
exe, err := os.Executable()
if err != nil {
return false, fmt.Errorf("failed to locate executable:\n%s", err)
}
if err := selfupdate.NoGitUpdater().UpdateTo(latest, exe); err != nil {
return false, fmt.Errorf("failed to perform update:\n%s", err)
}
walk.MsgBox(nil, "pick-a-browser...", fmt.Sprintf("Successfully updated to version %s", latest.Version), walk.MsgBoxOK)
return true, nil
}
}
}
return false, nil
}
func configureLogger(settings *config.Settings) error {
appDataPath := os.Getenv("LOCALAPPDATA")
oldFilename := filepath.Join(appDataPath, "stuartleeks", "pick-a-browser", "pick-a-browser-old.log")
filename := filepath.Join(appDataPath, "stuartleeks", "pick-a-browser", "pick-a-browser.log")
statePath, _ := filepath.Split(filename)
if err := os.MkdirAll(statePath, 0666); err != nil {
return err
}
const maxFileSize = 1024 * 1024 // Trigger log rotation at 1MB
if info, err := os.Stat(filename); err == nil {
if info.Size() > maxFileSize {
if _, err = os.Stat(oldFilename); err == nil {
if err = os.Remove(oldFilename); err != nil {
return fmt.Errorf("failed to delete old log file: %s", err)
}
}
if err = os.Rename(filename, oldFilename); err != nil {
return fmt.Errorf("failed to rename log file: %s", err)
}
}
}
file, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
if err != nil {
return fmt.Errorf("failed to open log file %q: %s", filename, err)
}
log.SetOutput(file)
log.SetLevel(getLogLevel(settings.Log.Level))
log.SetFormatter(&log.TextFormatter{})
return nil
}
func getLogLevel(level string) log.Level {
switch strings.ToLower(level) {
case "debug":
return log.DebugLevel
case "info":
return log.InfoLevel
case "error":
return log.ErrorLevel
default:
return log.ErrorLevel
}
}