third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp

/*
 * Copyright (C) 2004, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved.
 * Copyright (C) 2012 Research In Motion Limited. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#include "platform/weborigin/KnownPorts.h"

#include "net/base/port_util.h"
#include "platform/weborigin/KURL.h"
#include "platform/wtf/text/StringUTF8Adaptor.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

bool IsDefaultPortForProtocol(unsigned short port,
                              const WTF::String& protocol) {
  if (protocol.IsEmpty())
    return false;

  switch (port) {
    case 80:
      return protocol == "http" || protocol == "ws";
    case 443:
      return protocol == "https" || protocol == "wss";
    case 21:
      return protocol == "ftp";
    case 990:
      return protocol == "ftps";
  }
  return false;
}

unsigned short DefaultPortForProtocol(const WTF::String& protocol) {
  if (protocol == "http" || protocol == "ws")
    return 80;
  if (protocol == "https" || protocol == "wss")
    return 443;
  if (protocol == "ftp")
    return 21;
  if (protocol == "ftps")
    return 990;

  return 0;
}

bool IsPortAllowedForScheme(const KURL& url) {
  // Returns true for URLs without a port specified. This is needed to let
  // through non-network schemes that don't go over the network.
  if (!url.HasPort())
    return true;
  String protocol = url.Protocol();
  if (protocol.IsNull())
    protocol = g_empty_string;
  unsigned short effective_port = url.Port();
  if (!effective_port)
    effective_port = DefaultPortForProtocol(protocol);
  StringUTF8Adaptor utf8(protocol);
  return net::IsPortAllowedForScheme(effective_port,
                                     std::string(utf8.Data(), utf8.length()));
}

}  // namespace blink