package main import ( "fmt" "net/http" "os" "path" "github.com/zenazn/goji/web" ) func deleteHandler(c web.C, w http.ResponseWriter, r *http.Request) { requestKey := r.Header.Get("X-Delete-Key") filename := c.URLParams["name"] filePath := path.Join(Config.filesDir, filename) metaPath := path.Join(Config.metaDir, filename) // Ensure requested file actually exists if _, readErr := os.Stat(filePath); os.IsNotExist(readErr) { notFoundHandler(c, w, r) // 404 - file doesn't exist return } // Ensure delete key is correct deleteKey, err := metadataGetDeleteKey(filename) if err != nil { unauthorizedHandler(c, w, r) // 401 - no metadata available return } if deleteKey == requestKey { fileDelErr := os.Remove(filePath) metaDelErr := os.Remove(metaPath) if (fileDelErr != nil) || (metaDelErr != nil) { oopsHandler(c, w, r) // 500 - can't delete something return } fmt.Fprintf(w, "DELETED") return } else { unauthorizedHandler(c, w, r) // 401 - wrong delete key return } }