func init() {
// Assume the default directory containing UI assets is
// a sibling directory to this file's directory.
localResourcesPath := ""
_, curDir, _, ok := runtime.Caller(1)
if !ok {
log.Errorf("Unable to determine caller directory")
} else {
localResourcesPath = filepath.Join(curDir, LocalUIDir)
absLocalResourcesPath, err := filepath.Abs(localResourcesPath)
if err != nil {
absLocalResourcesPath = localResourcesPath
}
log.Debugf("Creating tarfs filesystem that prefers local resources at %v", absLocalResourcesPath)
}
var err error
fs, err = tarfs.New(Resources, localResourcesPath)
if err != nil {
// Panicking here because this shouldn't happen at runtime unless the
// resources were incorrectly embedded.
panic(fmt.Errorf("Unable to open tarfs filesystem: %v", err))
}
Translations = fs.SubDir("locale")
}
// MakeInitialConfig save baked-in config to the file specified by configPath
func MakeInitialConfig(configPath string) error {
dir, _, err := bootstrapPath(lanternYamlName)
if err != nil {
log.Errorf("Could not get bootstrap path %v", err)
return err
}
// We need to use tarfs here because the lantern.yaml needs to embedded
// in the binary for auto-updates to work. We also want the flexibility,
// however, to embed it in installers to change various settings.
fs, err := tarfs.New(Resources, dir)
if err != nil {
log.Errorf("Could not read resources? %v", err)
return err
}
// Get the yaml file from either the local file system or from an
// embedded resource, but ignore local file system files if they're
// empty.
bytes, err := fs.GetIgnoreLocalEmpty("lantern.yaml")
if err != nil {
log.Errorf("Could not read bootstrap file %v", err)
return err
}
err = ioutil.WriteFile(configPath, bytes, 0644)
if err != nil {
log.Errorf("Could not write bootstrap file %v", err)
return err
}
return nil
}
func main() {
var fs http.FileSystem
var err error
fs, err = tarfs.New(Resources, "localresources")
if err != nil {
log.Fatal(err.Error())
}
http.Handle("/", http.FileServer(fs))
log.Printf("About to listen at %v", addr)
log.Printf("Try browsing to http://%v", addr)
err = http.ListenAndServe(addr, nil)
if err != nil {
log.Fatal(err.Error())
}
}