func init() {
// Write DLL to file
b, err := Asset("systray.dll")
if err != nil {
panic(fmt.Errorf("Unable to read systray.dll: %v", err))
}
err = os.MkdirAll(dllDir, 0755)
if err != nil {
panic(fmt.Errorf("Unable to create directory %v to hold systray.dll: %v", dllDir, err))
}
err = filepersist.Save(dllFile, b, 0644)
if err != nil {
panic(fmt.Errorf("Unable to save systray.dll to %v: %v", dllFile, err))
}
}
func promptPrivilegeEscalation(icon []byte) error {
var iconFile string
if runtime.GOOS == "darwin" {
iconFile = filepath.Join("/tmp", "escalatelantern.ico")
err := filepersist.Save(iconFile, icon, 0644)
if err != nil {
return fmt.Errorf("Unable to persist icon to disk: %v", err)
} else {
log.Printf("Saved icon file to: %v", iconFile)
}
}
err := pac.EnsureHelperToolPresent("pac-cmd", i18n.T("PAC_SETUP"), iconFile)
if err != nil {
return fmt.Errorf("Unable to set up pac setting tool: %s", err)
}
return nil
}
// New creates a new Exec using the program stored in the provided data, at the
// provided filename (relative or absolute path allowed). If the path given is
// a relative path, the executable will be placed in one of the following
// locations:
//
// On Windows - %APPDATA%/byteexec
// On OSX - ~/Library/Application Support/byteexec
// All Others - ~/.byteexec
//
// Creating a new Exec can be somewhat expensive, so it's best to create only
// one Exec per executable and reuse that.
//
// WARNING - if a file already exists at this location and its contents differ
// from data, Exec will attempt to overwrite it.
func New(data []byte, filename string) (*Exec, error) {
// Use initMutex to synchronize file operations by this process
initMutex.Lock()
defer initMutex.Unlock()
var err error
if !path.IsAbs(filename) {
filename, err = inStandardDir(filename)
if err != nil {
return nil, err
}
}
filename = renameExecutable(filename)
log.Tracef("Placing executable in %s", filename)
err = filepersist.Save(filename, data, fileMode)
if err != nil {
return nil, err
}
log.Trace("File saved, returning new Exec")
return newExec(filename)
}
func setUpPacTool() error {
var iconFile string
if runtime.GOOS == "darwin" {
// We have to use a short filepath here because Cocoa won't display the
// icon if the path is too long.
iconFile := filepath.Join("/tmp", "escalatelantern.ico")
icon, err := Asset("icons/32on.ico")
if err != nil {
return fmt.Errorf("Unable to load escalation prompt icon: %v", err)
} else {
err := filepersist.Save(iconFile, icon, 0644)
if err != nil {
return fmt.Errorf("Unable to persist icon to disk: %v", err)
} else {
log.Debugf("Saved icon file to: %v", iconFile)
}
}
}
err := pac.EnsureHelperToolPresent("pac-cmd", "Lantern would like to be your system proxy", iconFile)
if err != nil {
return fmt.Errorf("Unable to set up pac setting tool: %v", err)
}
return nil
}
