176 lines
5.8 KiB
C++
176 lines
5.8 KiB
C++
/*
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Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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Copyright (C) 2015-2020 Apple Inc. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <wtf/EnumTraits.h>
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#include <wtf/RefCounted.h>
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#include <wtf/URL.h>
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#include <wtf/Vector.h>
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#include <wtf/text/StringHash.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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class Page;
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enum class PluginLoadClientPolicy : uint8_t {
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// No client-specific plug-in load policy has been defined. The plug-in should be visible in navigator.plugins and WebKit should synchronously
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// ask the client whether the plug-in should be loaded.
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Undefined = 0,
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// The plug-in module should be blocked from being instantiated. The plug-in should be hidden in navigator.plugins.
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Block,
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// WebKit should synchronously ask the client whether the plug-in should be loaded. The plug-in should be visible in navigator.plugins.
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Ask,
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// The plug-in module may be loaded if WebKit is not blocking it.
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Allow,
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// The plug-in module should be loaded irrespective of whether WebKit has asked it to be blocked.
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AllowAlways,
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};
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struct MimeClassInfo {
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String type;
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String desc;
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Vector<String> extensions;
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};
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inline bool operator==(const MimeClassInfo& a, const MimeClassInfo& b)
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{
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return a.type == b.type && a.desc == b.desc && a.extensions == b.extensions;
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}
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struct PluginInfo {
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String name;
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String file;
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String desc;
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Vector<MimeClassInfo> mimes;
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bool isApplicationPlugin { false };
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PluginLoadClientPolicy clientLoadPolicy { PluginLoadClientPolicy::Undefined };
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String bundleIdentifier;
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#if PLATFORM(MAC)
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String versionString;
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#endif
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};
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inline bool operator==(PluginInfo& a, PluginInfo& b)
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{
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bool result = a.name == b.name && a.file == b.file && a.desc == b.desc && a.mimes == b.mimes && a.isApplicationPlugin == b.isApplicationPlugin && a.clientLoadPolicy == b.clientLoadPolicy && a.bundleIdentifier == b.bundleIdentifier;
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#if PLATFORM(MAC)
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result = result && a.versionString == b.versionString;
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#endif
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return result;
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}
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struct SupportedPluginIdentifier {
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String matchingDomain;
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String pluginIdentifier;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<SupportedPluginIdentifier> decode(Decoder&);
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};
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// FIXME: merge with PluginDatabase in the future
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class PluginData : public RefCounted<PluginData> {
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public:
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static Ref<PluginData> create(Page& page) { return adoptRef(*new PluginData(page)); }
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const Vector<PluginInfo>& plugins() const { return m_plugins; }
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WEBCORE_EXPORT const Vector<PluginInfo>& webVisiblePlugins() const;
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std::pair<Vector<PluginInfo>, Vector<PluginInfo>> publiclyVisiblePluginsAndAdditionalWebVisiblePlugins() const;
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WEBCORE_EXPORT Vector<MimeClassInfo> webVisibleMimeTypes() const;
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enum AllowedPluginTypes {
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AllPlugins,
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OnlyApplicationPlugins
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};
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WEBCORE_EXPORT bool supportsMimeType(const String& mimeType, const AllowedPluginTypes) const;
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WEBCORE_EXPORT bool supportsWebVisibleMimeType(const String& mimeType, const AllowedPluginTypes) const;
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WEBCORE_EXPORT bool supportsWebVisibleMimeTypeForURL(const String& mimeType, const AllowedPluginTypes, const URL&) const;
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String pluginFileForWebVisibleMimeType(const String& mimeType) const;
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private:
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explicit PluginData(Page&);
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void initPlugins();
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protected:
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Page& m_page;
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Vector<PluginInfo> m_plugins;
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std::optional<Vector<SupportedPluginIdentifier>> m_supportedPluginIdentifiers;
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struct CachedVisiblePlugins {
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URL pageURL;
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std::optional<Vector<PluginInfo>> pluginList;
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};
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mutable CachedVisiblePlugins m_cachedVisiblePlugins;
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};
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inline bool isSupportedPlugin(const Vector<SupportedPluginIdentifier>& pluginIdentifiers, const URL& pageURL, const String& pluginIdentifier)
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{
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return pluginIdentifiers.findMatching([&] (auto&& plugin) {
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return pageURL.isMatchingDomain(plugin.matchingDomain) && plugin.pluginIdentifier == pluginIdentifier;
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}) != notFound;
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}
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template<class Decoder> inline std::optional<SupportedPluginIdentifier> SupportedPluginIdentifier::decode(Decoder& decoder)
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{
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std::optional<String> matchingDomain;
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decoder >> matchingDomain;
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if (!matchingDomain)
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return std::nullopt;
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std::optional<String> pluginIdentifier;
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decoder >> pluginIdentifier;
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if (!pluginIdentifier)
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return std::nullopt;
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return SupportedPluginIdentifier { WTFMove(matchingDomain.value()), WTFMove(pluginIdentifier.value()) };
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}
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template<class Encoder> inline void SupportedPluginIdentifier::encode(Encoder& encoder) const
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{
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encoder << matchingDomain;
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encoder << pluginIdentifier;
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}
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} // namespace WebCore
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namespace WTF {
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template<> struct EnumTraits<WebCore::PluginLoadClientPolicy> {
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using values = EnumValues<
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WebCore::PluginLoadClientPolicy,
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WebCore::PluginLoadClientPolicy::Undefined,
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WebCore::PluginLoadClientPolicy::Block,
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WebCore::PluginLoadClientPolicy::Ask,
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WebCore::PluginLoadClientPolicy::Allow,
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WebCore::PluginLoadClientPolicy::AllowAlways
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>;
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};
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} // namespace WTF
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