1/*
2 * Copyright (C) 2015 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "PublicSuffix.h"
28
29#if ENABLE(PUBLIC_SUFFIX_LIST)
30
31#include <libsoup/soup.h>
32#include <wtf/glib/GUniquePtr.h>
33
34namespace WebCore {
35
36bool isPublicSuffix(const String& domain)
37{
38 if (domain.isEmpty())
39 return false;
40
41 return soup_tld_domain_is_public_suffix(domain.convertToASCIILowercase().utf8().data());
42}
43
44String topPrivatelyControlledDomain(const String& domain)
45{
46 if (domain.isEmpty())
47 return String();
48 if (!domain.isAllASCII())
49 return domain;
50
51 String lowercaseDomain = domain.convertToASCIILowercase();
52
53 if (lowercaseDomain == "localhost")
54 return lowercaseDomain;
55
56 GUniqueOutPtr<GError> error;
57 CString domainUTF8 = lowercaseDomain.utf8();
58
59 if (const char* baseDomain = soup_tld_get_base_domain(domainUTF8.data(), &error.outPtr()))
60 return String::fromUTF8(baseDomain);
61
62 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) || g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_NO_BASE_DOMAIN))
63 return String();
64
65 if (g_error_matches(error.get(), SOUP_TLD_ERROR, SOUP_TLD_ERROR_IS_IP_ADDRESS))
66 return domain;
67
68 ASSERT_NOT_REACHED();
69 return String();
70}
71
72} // namespace WebCore
73
74#endif // ENABLE(PUBLIC_SUFFIX_LIST)
75