1/*
2 * Copyright (C) 2017 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 * 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ServiceWorkerRegistrationKey.h"
28
29#if ENABLE(SERVICE_WORKER)
30
31#include "SecurityOrigin.h"
32#include <wtf/URLHash.h>
33
34namespace WebCore {
35
36ServiceWorkerRegistrationKey::ServiceWorkerRegistrationKey(SecurityOriginData&& topOrigin, URL&& scope)
37 : m_topOrigin(WTFMove(topOrigin))
38 , m_scope(WTFMove(scope))
39{
40 ASSERT(!m_scope.hasFragment());
41}
42
43ServiceWorkerRegistrationKey ServiceWorkerRegistrationKey::emptyKey()
44{
45 return { };
46}
47
48unsigned ServiceWorkerRegistrationKey::hash() const
49{
50 unsigned hashes[2];
51 hashes[0] = SecurityOriginDataHash::hash(m_topOrigin);
52 hashes[1] = StringHash::hash(m_scope);
53
54 return StringHasher::hashMemory(hashes, sizeof(hashes));
55}
56
57bool ServiceWorkerRegistrationKey::operator==(const ServiceWorkerRegistrationKey& other) const
58{
59 return m_topOrigin == other.m_topOrigin && m_scope == other.m_scope;
60}
61
62ServiceWorkerRegistrationKey ServiceWorkerRegistrationKey::isolatedCopy() const
63{
64 return { m_topOrigin.isolatedCopy(), m_scope.isolatedCopy() };
65}
66
67bool ServiceWorkerRegistrationKey::isMatching(const SecurityOriginData& topOrigin, const URL& clientURL) const
68{
69 return originIsMatching(topOrigin, clientURL) && clientURL.string().startsWith(m_scope);
70}
71
72bool ServiceWorkerRegistrationKey::originIsMatching(const SecurityOriginData& topOrigin, const URL& clientURL) const
73{
74 if (topOrigin != m_topOrigin)
75 return false;
76
77 return protocolHostAndPortAreEqual(clientURL, m_scope);
78}
79
80bool ServiceWorkerRegistrationKey::relatesToOrigin(const SecurityOriginData& securityOrigin) const
81{
82 if (m_topOrigin == securityOrigin)
83 return true;
84
85 return SecurityOriginData::fromURL(m_scope) == securityOrigin;
86}
87
88static const char separatorCharacter = '_';
89
90String ServiceWorkerRegistrationKey::toDatabaseKey() const
91{
92 if (m_topOrigin.port)
93 return makeString(m_topOrigin.protocol, separatorCharacter, m_topOrigin.host, separatorCharacter, String::number(m_topOrigin.port.value()), separatorCharacter, m_scope.string());
94 return makeString(m_topOrigin.protocol, separatorCharacter, m_topOrigin.host, separatorCharacter, separatorCharacter, m_scope.string());
95}
96
97Optional<ServiceWorkerRegistrationKey> ServiceWorkerRegistrationKey::fromDatabaseKey(const String& key)
98{
99 auto first = key.find(separatorCharacter, 0);
100 auto second = key.find(separatorCharacter, first + 1);
101 auto third = key.find(separatorCharacter, second + 1);
102
103 if (first == second || second == third)
104 return WTF::nullopt;
105
106 Optional<uint16_t> shortPort;
107
108 // If there's a gap between third and second, we expect to have a port to decode
109 if (third - second > 1) {
110 bool ok;
111 unsigned port;
112 if (key.is8Bit())
113 port = charactersToUIntStrict(key.characters8() + second + 1, third - second - 1 , &ok);
114 else
115 port = charactersToUIntStrict(key.characters16() + second + 1, third - second - 1, &ok);
116
117 if (!ok)
118 return WTF::nullopt;
119
120 if (port > std::numeric_limits<uint16_t>::max())
121 return WTF::nullopt;
122
123 shortPort = static_cast<uint16_t>(port);
124 }
125
126 auto scope = URL { URL(), key.substring(third + 1) };
127 if (!scope.isValid())
128 return WTF::nullopt;
129
130 return ServiceWorkerRegistrationKey { { key.substring(0, first), key.substring(first + 1, second - first - 1), shortPort }, WTFMove(scope) };
131}
132
133#if !LOG_DISABLED
134String ServiceWorkerRegistrationKey::loggingString() const
135{
136 return makeString(m_topOrigin.debugString(), "-", m_scope.string());
137}
138#endif
139
140} // namespace WebCore
141
142#endif // ENABLE(SERVICE_WORKER)
143