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/Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/WebKitBuild/Release-iphonesimulator/DerivedSources/WebCore/unified-sources/UnifiedSource187.cpp
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| 16 | |
| 17 | |
| 18 | |
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| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "LoadableSpeculationRules.h" |
| 28 | |
| 29 | #include "CachedResourceLoader.h" |
| 30 | #include "CachedResourceRequest.h" |
| 31 | #include "CachedScript.h" |
| 32 | #include "CrossOriginAccessControl.h" |
| 33 | #include "Document.h" |
| 34 | #include "DocumentInlines.h" |
| 35 | #include "DocumentResourceLoader.h" |
| 36 | #include "FrameDestructionObserverInlines.h" |
| 37 | #include "LocalFrame.h" |
| 38 | #include "ResourceRequest.h" |
| 39 | #include "ScriptController.h" |
| 40 | #include "ScriptSourceCode.h" |
| 41 | |
| 42 | #include <wtf/text/MakeString.h> |
| 43 | #include <wtf/text/StringConcatenate.h> |
| 44 | |
| 45 | namespace WebCore { |
| 46 | |
| 47 | Ref<LoadableSpeculationRules> LoadableSpeculationRules::create(Document& document, const URL& url) |
| 48 | { |
| 49 | return adoptRef(*new LoadableSpeculationRules(document, url)); |
| 50 | } |
| 51 | |
| 52 | LoadableSpeculationRules::LoadableSpeculationRules(Document& document, const URL& url) |
| 53 | : m_document(document) |
| 54 | , m_url(url) |
| 55 | { |
| 56 | } |
| 57 | |
| 58 | LoadableSpeculationRules::~LoadableSpeculationRules() |
| 59 | { |
| 60 | if (m_cachedScript) |
| 61 | m_cachedScript->removeClient(*this); |
| 62 | } |
| 63 | |
| 64 | RefPtr<CachedScript> LoadableSpeculationRules::requestSpeculationRules(Document& document, const URL& sourceURL) |
| 65 | { |
| 66 | |
| 67 | |
| 68 | if (!document.settings().isScriptEnabled()) |
| 69 | return nullptr; |
| 70 | |
| 71 | ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions(); |
| 72 | options.contentSecurityPolicyImposition = ContentSecurityPolicyImposition::DoPolicyCheck; |
| 73 | options.sameOriginDataURLFlag = SameOriginDataURLFlag::Set; |
| 74 | options.serviceWorkersMode = ServiceWorkersMode::All; |
| 75 | options.integrity = ""_s; |
| 76 | options.referrerPolicy = ReferrerPolicy::EmptyString; |
| 77 | options.fetchPriority = RequestPriority::Auto; |
| 78 | options.destination = FetchOptionsDestination::Speculationrules; |
| 79 | |
| 80 | auto request = createPotentialAccessControlRequest(URL { sourceURL }, WTF::move(options), document, ""_s); |
| 81 | request.upgradeInsecureRequestIfNeeded(document); |
| 82 | request.setPriority(ResourceLoadPriority::Low); |
| 83 | |
| 84 | auto result = protect(document.cachedResourceLoader())->requestScript(WTF::move(request)); |
| 85 | return result ? RefPtr { WTF::move(result.value()) } : nullptr; |
| 86 | } |
| 87 | |
| 88 | bool LoadableSpeculationRules::load(Document& document, const URL& url) |
| 89 | { |
| 90 | ASSERT(!m_cachedScript); |
| 91 | |
| 92 | if (!url.isValid()) |
| 93 | return false; |
| 94 | |
| 95 | m_cachedScript = requestSpeculationRules(document, m_url); |
| 96 | if (!m_cachedScript) |
| 97 | return false; |
| 98 | protect(m_cachedScript)->addClient(*this); |
| 99 | |
| 100 | return true; |
| 101 | } |
| 102 | |
| 103 | |
| 104 | |
| 105 | void LoadableSpeculationRules::notifyFinished(CachedResource& resource, const NetworkLoadMetrics&, LoadWillContinueInAnotherProcess) |
| 106 | { |
| 107 | ASSERT(&resource == m_cachedScript.get()); |
| 108 | |
| 109 | RefPtr document = m_document.get(); |
| 110 | if (!document) |
| 111 | return; |
| 112 | |
| 113 | |
| 114 | |
| 115 | if (m_cachedScript->errorOccurred()) { |
| 116 | document->addConsoleMessage(MessageSource::Other, MessageLevel::Error, makeString("Failed to load speculation rules from "_s, m_url.string())); |
| 117 | return; |
| 118 | } |
| 119 | |
| 120 | |
| 121 | if (resource.mimeType() != "application/speculationrules+json") { |
| 122 | document->addConsoleMessage(MessageSource::Other, MessageLevel::Error, makeString("Invalid speculation rules MIME type "_s, m_url.string())); |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | String speculationRulesText = m_cachedScript->script(CachedScript::ShouldDecodeAsUTF8Only::Yes).toString(); |
| Call argument for 'this' parameter is uncounted and unsafe |
| 128 | if (speculationRulesText.isEmpty()) |
| 129 | return; |
| 130 | |
| 131 | if (RefPtr frame = document->frame()) { |
| 132 | ScriptSourceCode sourceCode(speculationRulesText, JSC::SourceTaintedOrigin::Untainted, URL(m_url), TextPosition(), JSC::SourceProviderSourceType::Program); |
| 133 | |
| 134 | |
| 135 | |
| 136 | if (protect(frame->script())->registerSpeculationRules(*document, sourceCode, m_url)) { |
| 137 | |
| 138 | document->considerSpeculationRules(); |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | } |