1/*
2 * Copyright (C) 2018 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 "NetworkContentRuleListManager.h"
28
29#if ENABLE(CONTENT_EXTENSIONS)
30
31#include "NetworkProcess.h"
32#include "NetworkProcessProxyMessages.h"
33#include "WebCompiledContentRuleList.h"
34
35namespace WebKit {
36using namespace WebCore;
37
38NetworkContentRuleListManager::NetworkContentRuleListManager(NetworkProcess& networkProcess)
39 : m_networkProcess(networkProcess)
40{
41}
42
43NetworkContentRuleListManager::~NetworkContentRuleListManager()
44{
45 auto pendingCallbacks = WTFMove(m_pendingCallbacks);
46 if (pendingCallbacks.isEmpty())
47 return;
48
49 WebCore::ContentExtensions::ContentExtensionsBackend backend;
50 for (auto& callbacks : pendingCallbacks.values()) {
51 for (auto& callback : callbacks)
52 callback(backend);
53 }
54}
55
56void NetworkContentRuleListManager::contentExtensionsBackend(UserContentControllerIdentifier identifier, BackendCallback&& callback)
57{
58 auto iterator = m_contentExtensionBackends.find(identifier);
59 if (iterator != m_contentExtensionBackends.end()) {
60 callback(*iterator->value);
61 return;
62 }
63 m_pendingCallbacks.ensure(identifier, [] {
64 return Vector<BackendCallback> { };
65 }).iterator->value.append(WTFMove(callback));
66 m_networkProcess.parentProcessConnection()->send(Messages::NetworkProcessProxy::ContentExtensionRules { identifier }, 0);
67}
68
69void NetworkContentRuleListManager::addContentRuleLists(UserContentControllerIdentifier identifier, Vector<std::pair<String, WebCompiledContentRuleListData>>&& contentRuleLists)
70{
71 auto& backend = *m_contentExtensionBackends.ensure(identifier, [] {
72 return std::make_unique<WebCore::ContentExtensions::ContentExtensionsBackend>();
73 }).iterator->value;
74
75 for (auto&& contentRuleList : contentRuleLists) {
76 auto compiledContentRuleList = WebCompiledContentRuleList::create(WTFMove(contentRuleList.second));
77 backend.addContentExtension(contentRuleList.first, WTFMove(compiledContentRuleList), ContentExtensions::ContentExtension::ShouldCompileCSS::No);
78 }
79
80 auto pendingCallbacks = m_pendingCallbacks.take(identifier);
81 for (auto& callback : pendingCallbacks)
82 callback(backend);
83
84}
85
86void NetworkContentRuleListManager::removeContentRuleList(UserContentControllerIdentifier identifier, const String& name)
87{
88 auto iterator = m_contentExtensionBackends.find(identifier);
89 if (iterator == m_contentExtensionBackends.end())
90 return;
91
92 iterator->value->removeContentExtension(name);
93}
94
95void NetworkContentRuleListManager::removeAllContentRuleLists(UserContentControllerIdentifier identifier)
96{
97 auto iterator = m_contentExtensionBackends.find(identifier);
98 if (iterator == m_contentExtensionBackends.end())
99 return;
100
101 iterator->value->removeAllContentExtensions();
102}
103
104void NetworkContentRuleListManager::remove(UserContentControllerIdentifier identifier)
105{
106 m_contentExtensionBackends.remove(identifier);
107}
108
109} // namespace WebKit
110
111#endif // ENABLE(CONTENT_EXTENSIONS)
112