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/*
* Copyright (C) 2015 Igalia S.L.
*
* 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 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
* 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 "PublicSuffix.h"
#if ENABLE(PUBLIC_SUFFIX_LIST)
#include <libsoup/soup.h>
#include <wtf/glib/GUniquePtr.h>
namespace WebCore {
bool isPublicSuffix(StringView domain)
{
if (domain.isEmpty())
return false;
return soup_tld_domain_is_public_suffix(domain.convertToASCIILowercase().utf8().data());
}
static String permissiveTopPrivateDomain(const String& domain)
{
auto position = domain.length();
bool foundDot = false;
/* If a domain does not have a known public suffix we can just assume
* the last pair of segments is probably the suffix.
* Currently this is only used for web-platform.test. */
while (position-- > 0) {
if (domain[position] == '.') {
if (foundDot)
return domain.substring(position + 1);
foundDot = true;
}
}
return foundDot ? domain : String();
}
String topPrivatelyControlledDomain(const String& domain)
{
if (domain.isEmpty())
return String();
if (!domain.containsOnlyASCII())
return domain;
String lowercaseDomain = domain.convertToASCIILowercase();
if (lowercaseDomain == "localhost"_s)
return lowercaseDomain;
CString domainUTF8 = lowercaseDomain.utf8();
// This function is expected to work with the format used by cookies, so skip any leading dots.
unsigned position = 0;
while (domainUTF8.data()[position] == '.')
position++;
if (position == domainUTF8.length())
return String();
GUniqueOutPtr<GError> error;
if (const char* baseDomain = soup_tld_get_base_domain(domainUTF8.data() + position, &error.outPtr()))
return String::fromUTF8(baseDomain);
if (g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_NO_BASE_DOMAIN)) {
if (isDomainForTesting(domain))
return permissiveTopPrivateDomain(domain.substring(position));
return String();
}
if (g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_INVALID_HOSTNAME) || g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_NOT_ENOUGH_DOMAINS))
return String();
if (g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_IS_IP_ADDRESS))
return domain;
ASSERT_NOT_REACHED();
return String();
}
void setTopPrivatelyControlledDomain(const String&, const String&)
{
}
} // namespace WebCore
#endif // ENABLE(PUBLIC_SUFFIX_LIST)
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