Method basename

src/slave/containerizer/fetcher.cpp:104–132

Try<string> Fetcher::basename(const string& uri)
{
  // TODO(bernd-mesos): full URI parsing, then move this to stout.
  // There is a bug (or is it a feature?) in the original fetcher
  // code without caching that remains in effect here. URIs are
  // treated like file paths, looking for occurrences of "/",
  // but ignoring other separators that can show up
  // (e.g. "?", "=" in HTTP URLs).

  if (uri.find_first_of('\\') != string::npos ||
      uri.find_first_of('\'') != string::npos ||
      uri.find_first_of('\0') != string::npos) {
      return Error("Illegal characters in URI");
  }

  size_t index = uri.find("://");
  if (index != string::npos && 1 < index) {
    // URI starts with protocol specifier, e.g., http://, https://,
    // ftp://, ftps://, hdfs://, hftp://, s3://, s3n://.

    string path = uri.substr(index + 3);
    if (!strings::contains(path, "/") || path.size() <= path.find('/') + 1) {
      return Error("Malformed URI (missing path): " + uri);
    }

    return path.substr(path.find_last_of('/') + 1);
  }
  return Path(uri).basename();
}


Try<Nothing> Fetcher::validateUri(const string& uri)