1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#pragma once
#if ENABLE(CONTENT_EXTENSIONS)
#include "ContentExtension.h"
#include "ContentExtensionRule.h"
#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class DocumentLoader;
class Page;
class ResourceRequest;
struct ContentRuleListResults;
namespace ContentExtensions {
class CompiledContentExtension;
struct ResourceLoadInfo;
// The ContentExtensionsBackend is the internal model of all the content extensions.
//
// It provides two services:
// 1) It stores the rules for each content extension.
// 2) It provides APIs for the WebCore interfaces to use those rules efficiently.
class ContentExtensionsBackend {
WTF_MAKE_FAST_ALLOCATED;
public:
// - Rule management interface. This can be used by upper layer.
// Set a list of rules for a given name. If there were existing rules for the name, they are overridden.
// The identifier cannot be empty.
WEBCORE_EXPORT void addContentExtension(const String& identifier, Ref<CompiledContentExtension>, URL&& extensionBaseURL, ContentExtension::ShouldCompileCSS = ContentExtension::ShouldCompileCSS::Yes);
WEBCORE_EXPORT void removeContentExtension(const String& identifier);
WEBCORE_EXPORT void removeAllContentExtensions();
// - Internal WebCore Interface.
struct ActionsFromContentRuleList {
String contentRuleListIdentifier;
bool sawIgnorePreviousRules { false };
Vector<DeserializedAction> actions;
};
enum class ShouldSkipRuleList : bool { No, Yes };
using RuleListFilter = Function<ShouldSkipRuleList(const String&)>;
WEBCORE_EXPORT Vector<ActionsFromContentRuleList> actionsForResourceLoad(const ResourceLoadInfo&, const RuleListFilter& = { [](const String&) { return ShouldSkipRuleList::No; } }) const;
WEBCORE_EXPORT StyleSheetContents* globalDisplayNoneStyleSheet(const String& identifier) const;
ContentRuleListResults processContentRuleListsForLoad(Page&, const URL&, OptionSet<ResourceType>, DocumentLoader& initiatingDocumentLoader, const URL& redirectFrom, const RuleListFilter&);
WEBCORE_EXPORT ContentRuleListResults processContentRuleListsForPingLoad(const URL&, const URL& mainDocumentURL, const URL& frameURL);
static const String& displayNoneCSSRule();
void forEach(const Function<void(const String&, ContentExtension&)>&);
WEBCORE_EXPORT static bool shouldBeMadeSecure(const URL&);
private:
ActionsFromContentRuleList actionsFromContentRuleList(const ContentExtension&, const String& urlString, const ResourceLoadInfo&, ResourceFlags) const;
HashMap<String, Ref<ContentExtension>> m_contentExtensions;
};
WEBCORE_EXPORT void applyResultsToRequest(ContentRuleListResults&&, Page*, ResourceRequest&);
std::optional<String> customTrackerBlockingMessageForConsole(const ContentRuleListResults&, const URL& urlString = { }, const URL& mainDocumentURL = { });
} // namespace WebCore::ContentExtensions
} // namespace WebCore
#endif // ENABLE(CONTENT_EXTENSIONS)
|
