1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "OriginAccessEntry.h"
31
32#include "SecurityOrigin.h"
33
34namespace WebCore {
35
36OriginAccessEntry::OriginAccessEntry(const String& protocol, const String& host, SubdomainSetting subdomainSetting) : m_protocol(protocol), m_host(host), m_allowSubdomains(subdomainSetting) {
37 ASSERT(protocol == "http" || protocol == "https");
38 ASSERT(subdomainSetting == AllowSubdomains || subdomainSetting == DisallowSubdomains);
39
40 // Assume that any host that ends with a digit is trying to be an IP address.
41 UChar last = m_host[m_host.length() - 1];
42 m_hostIsIPAddress = last >= '0' && last <= '9';
43}
44
45bool OriginAccessEntry::matchesOrigin(const SecurityOrigin& origin)
46{
47 if (m_protocol != origin.protocol())
48 return false;
49
50 // Special case: Include subdomains and empty host means "all hosts, including ip addresses".
51 if (m_allowSubdomains == AllowSubdomains && m_host.isEmpty())
52 return true;
53
54 // Exact match.
55 if (m_host == origin.host())
56 return true;
57
58 // Otherwise we can only match if we're matching subdomains.
59 if (m_allowSubdomains == DisallowSubdomains)
60 return false;
61
62 // Don't try to do subdomain matching on IP addresses.
63 if (m_hostIsIPAddress)
64 return false;
65
66 // Match subdomains.
67 // FIXME: This hasn't actually been tested as I can't figure out a way to test it with the layout test system.
68 if (origin.host().length() > m_host.length() && origin.host()[origin.host().length() - m_host.length() - 1] == '.' && origin.host().endsWith(m_host, false))
69 return true;
70
71 return false;
72}
73
74} // namespace WebCore