// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/url_request/ftp_protocol_handler.h"

#include "base/logging.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_error_job.h"
#include "net/url_request/url_request_ftp_job.h"
#include "googleurl/src/gurl.h"

namespace net {

FtpProtocolHandler::FtpProtocolHandler(
    FtpTransactionFactory* ftp_transaction_factory,
    FtpAuthCache* ftp_auth_cache)
    : ftp_transaction_factory_(ftp_transaction_factory),
      ftp_auth_cache_(ftp_auth_cache) {
  DCHECK(ftp_transaction_factory_);
  DCHECK(ftp_auth_cache_);
}

URLRequestJob* FtpProtocolHandler::MaybeCreateJob(
    URLRequest* request, NetworkDelegate* network_delegate) const {
  int port = request->url().IntPort();
  if (request->url().has_port() &&
      !IsPortAllowedByFtp(port) && !IsPortAllowedByOverride(port)) {
    return new URLRequestErrorJob(request, network_delegate, ERR_UNSAFE_PORT);
  }

  return new URLRequestFtpJob(request,
                              network_delegate,
                              ftp_transaction_factory_,
                              ftp_auth_cache_);
}

}  // namespace net