func defaultPageHandler(defaultPage string, httpDir http.Dir, fsHandler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if _, err := httpDir.Open(r.URL.Path); err != nil {
if defaultFile, err := httpDir.Open(defaultPage); err == nil {
if stat, err := defaultFile.Stat(); err == nil {
http.ServeContent(w, r, stat.Name(), stat.ModTime(), defaultFile)
}
}
} else {
fsHandler.ServeHTTP(w, r)
}
})
}
func serveFile(c *routing.Context, dir http.Dir, path string) error {
file, err := dir.Open(path)
if err != nil {
return routing.NewHTTPError(http.StatusNotFound, err.Error())
}
defer file.Close()
fstat, err := file.Stat()
if err != nil {
return routing.NewHTTPError(http.StatusNotFound, err.Error())
} else if fstat.IsDir() {
return routing.NewHTTPError(http.StatusNotFound)
}
http.ServeContent(c.Response, c.Request, path, fstat.ModTime(), file)
return nil
}
func assetHandler(rootDir http.Dir, w http.ResponseWriter, r *http.Request) {
filePath := strings.TrimPrefix(r.URL.Path, fmt.Sprintf("/%s", rootDir))
fileToServe, err := rootDir.Open(filePath)
if err != nil {
log.Print(err)
http.NotFound(w, r)
return
}
defer fileToServe.Close()
var fileContent []byte
for {
buffer := make([]byte, 2048)
_, err = fileToServe.Read(buffer)
if err == io.EOF {
break
}
if err != nil {
log.Fatal(err)
}
for _, b := range buffer {
if b == 0 {
break
}
fileContent = append(fileContent, b)
}
}
fmt.Fprintf(w, "%s", fileContent)
}
func defaultPageHandler(defaultPage string, httpDir http.Dir, fsHandler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if _, err := httpDir.Open(r.URL.Path); err != nil {
splitPath := strings.Split(r.URL.Path, "/")
for {
p := append(splitPath, defaultPage)
dp := path.Join(p...)
if defaultFile, err := httpDir.Open(dp); err == nil {
if stat, err := defaultFile.Stat(); err == nil {
http.ServeContent(w, r, stat.Name(), stat.ModTime(), defaultFile)
return
}
}
if len(splitPath) == 0 {
http.NotFound(w, r)
return
}
splitPath = splitPath[:len(splitPath)-1]
}
} else {
fsHandler.ServeHTTP(w, r)
}
})
}
//try get file
func get_file(root http.Dir, path string) (http.File, bool) {
if path[len(path)-1] == '/' {
path += "index"
}
if fd, err := root.Open(path); err == nil {
return fd, false
}
if fd, err := root.Open(path + ".html"); err == nil {
return fd, false
}
if fd, err := root.Open(path + ".md"); err == nil {
return fd, true
}
return nil, false
}
//Проверка наличия файла в директории.
func checkDir(dir http.Dir, name string) {
_, err := dir.Open(name)
if err != nil {
log.Fatal("Missing static directory or files in it.")
}
}