libminifi/include/utils/HTTPUtils.h

/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef LIBMINIFI_INCLUDE_UTILS_HTTPUTILS_H_
#define LIBMINIFI_INCLUDE_UTILS_HTTPUTILS_H_

#include <string>
#include "RegexUtils.h"

/**
This function, unfortunately, assumes that we're parsing http components of a local host. On windows this is problematic
so we convert localhost to our local hostname.
  */
inline bool parse_http_components(const std::string &url, std::string &port, std::string &scheme, std::string &path) {
#ifdef WIN32
  auto hostname = (url.find(org::apache::nifi::minifi::io::Socket::getMyHostName()) != std::string::npos ? org::apache::nifi::minifi::io::Socket::getMyHostName() : "localhost");
  std::string regexstr = "^(http|https)://(" + hostname + ":)([0-9]+)?(/.*)$";
#else
  std::string regexstr = "^(http|https)://(localhost:)([0-9]+)?(/.*)$";
#endif

  using Regex = org::apache::nifi::minifi::utils::Regex;
  auto rgx = Regex(regexstr, {Regex::Mode::ICASE});

  if (rgx.match(url)) {
    auto result = rgx.getResult();
    if (result.size() >= 5) {
      scheme = result[1];
      port = result[3];
      path = result[4];
      return true;
    }
  }
  return false;
}

#endif  // LIBMINIFI_INCLUDE_UTILS_HTTPUTILS_H_