package main import ( "net/http" "os" "path" "github.com/zenazn/goji/web" ) func fileServeHandler(c web.C, w http.ResponseWriter, r *http.Request) { fileName := c.URLParams["name"] filePath := path.Join(Config.filesDir, fileName) if isFileExpired(fileName) { notFoundHandler(c, w, r) return } http.ServeFile(w, r, filePath) } func fileExistsAndNotExpired(filename string) bool { filePath := path.Join(Config.filesDir, filename) _, err := os.Stat(filePath) if err != nil { return false } if isFileExpired(filename) { os.Remove(path.Join(Config.filesDir, filename)) os.Remove(path.Join(Config.metaDir, filename)) return false } return true }