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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "OriginAccessEntry.h"
#include "SecurityOrigin.h"
namespace WebCore {
OriginAccessEntry::OriginAccessEntry(const String& protocol, const String& host, SubdomainSetting subdomainSetting)
: m_protocol(protocol.lower())
, m_host(host.lower())
, m_subdomainSettings(subdomainSetting)
{
ASSERT(m_protocol == "http" || m_protocol == "https");
ASSERT(subdomainSetting == AllowSubdomains || subdomainSetting == DisallowSubdomains);
// Assume that any host that ends with a digit is trying to be an IP address.
m_hostIsIPAddress = !m_host.isEmpty() && isASCIIDigit(m_host[m_host.length() - 1]);
}
bool OriginAccessEntry::matchesOrigin(const SecurityOrigin& origin) const
{
ASSERT(origin.host() == origin.host().lower());
ASSERT(origin.protocol() == origin.protocol().lower());
if (m_protocol != origin.protocol())
return false;
// Special case: Include subdomains and empty host means "all hosts, including ip addresses".
if (m_subdomainSettings == AllowSubdomains && m_host.isEmpty())
return true;
// Exact match.
if (m_host == origin.host())
return true;
// Otherwise we can only match if we're matching subdomains.
if (m_subdomainSettings == DisallowSubdomains)
return false;
// Don't try to do subdomain matching on IP addresses.
if (m_hostIsIPAddress)
return false;
// Match subdomains.
if (origin.host().length() > m_host.length() && origin.host()[origin.host().length() - m_host.length() - 1] == '.' && origin.host().endsWith(m_host))
return true;
return false;
}
} // namespace WebCore
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