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alpha.webkit.ForwardDeclChecker,alpha.webkit.MemoryUnsafeCastChecker,alpha.webkit.NoDeleteChecker,alpha.webkit.NoUncheckedPtrMemberChecker,alpha.webkit.NoUnretainedMemberChecker,alpha.webkit.RetainPtrCtorAdoptChecker,alpha.webkit.UncheckedCallArgsChecker,alpha.webkit.UncheckedLocalVarsChecker,alpha.webkit.UncountedCallArgsChecker,alpha.webkit.UncountedLocalVarsChecker,alpha.webkit.UnretainedCallArgsChecker,alpha.webkit.UnretainedLambdaCapturesChecker,alpha.webkit.UnretainedLocalVarsChecker,webkit.NoUncountedMemberChecker,webkit.RefCntblBaseVirtualDtor,webkit.UncountedLambdaCapturesChecker -analyzer-config max-nodes=10000000 -analyzer-config verbose-report-filename=true -fdwarf2-cfi-asm -o /Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/scan-build-output/StaticAnalyzer/WebKitLegacy/WebKitLegacy/normal/arm64/WebCache.plist -x objective-c++ /Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/Source/WebKitLegacy/mac/Misc/WebCache.mm
| 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 | #import "WebCache.h" |
| 27 | |
| 28 | #import "NetworkStorageSessionMap.h" |
| 29 | #import "WebNSObjectExtras.h" |
| 30 | #import "WebPreferences.h" |
| 31 | #import "WebView.h" |
| 32 | #import "WebViewInternal.h" |
| 33 | #import <JavaScriptCore/InitializeThreading.h> |
| 34 | #import <WebCore/CookieJar.h> |
| 35 | #import <WebCore/CredentialStorage.h> |
| 36 | #import <WebCore/CrossOriginPreflightResultCache.h> |
| 37 | #import <WebCore/Document.h> |
| 38 | #import <WebCore/MemoryCache.h> |
| 39 | #import <WebCore/NativeImage.h> |
| 40 | #import <WebCore/NetworkStorageSession.h> |
| 41 | #import <WebCore/StorageSessionProvider.h> |
| 42 | #import <WebCore/WebCoreJITOperations.h> |
| 43 | #import <WebCore/WebCoreMainThread.h> |
| 44 | #import <wtf/MainThread.h> |
| 45 | #import <wtf/RunLoop.h> |
| 46 | |
| 47 | #if PLATFORM(IOS_FAMILY) |
| 48 | #import "WebFrameInternal.h" |
| 49 | #import <WebCore/BackForwardCache.h> |
| 50 | #import <WebCore/CachedImage.h> |
| 51 | #import <WebCore/LocalFrame.h> |
| 52 | #import <WebCore/WebCoreThreadRun.h> |
| 53 | #endif |
| 54 | |
| 55 | class DefaultStorageSessionProvider : public WebCore::StorageSessionProvider { |
| 56 | WebCore::NetworkStorageSession* storageSession() const final |
| 57 | { |
| 58 | return &NetworkStorageSessionMap::defaultStorageSession(); |
| 59 | } |
| 60 | }; |
| 61 | |
| 62 | @implementation WebCache |
| 63 | |
| 64 | + (void)initialize |
| 65 | { |
| 66 | WebCore::initializeMainThreadIfNeeded(); |
| 67 | } |
| 68 | |
| 69 | + (NSArray *)statistics |
| 70 | { |
| 71 | auto s = WebCore::MemoryCache::singleton().getStatistics(); |
| 72 | return @[ |
| 73 | @{ |
| 74 | @"Images": @(s.images.count), |
| 75 | @"CSS": @(s.cssStyleSheets.count), |
| 76 | #if ENABLE(XSLT) |
| 77 | @"XSL": @(s.xslStyleSheets.count), |
| 78 | #else |
| 79 | @"XSL": @(0), |
| 80 | #endif |
| 81 | @"JavaScript": @(s.scripts.count), |
| 82 | }, |
| 83 | @{ |
| 84 | @"Images": @(s.images.size), |
| 85 | @"CSS": @(s.cssStyleSheets.size), |
| 86 | #if ENABLE(XSLT) |
| 87 | @"XSL": @(s.xslStyleSheets.size), |
| 88 | #else |
| 89 | @"XSL": @(0), |
| 90 | #endif |
| 91 | @"JavaScript": @(s.scripts.size), |
| 92 | }, |
| 93 | @{ |
| 94 | @"Images": @(s.images.liveSize), |
| 95 | @"CSS": @(s.cssStyleSheets.liveSize), |
| 96 | #if ENABLE(XSLT) |
| 97 | @"XSL": @(s.xslStyleSheets.liveSize), |
| 98 | #else |
| 99 | @"XSL": @(0), |
| 100 | #endif |
| 101 | @"JavaScript": @(s.scripts.liveSize), |
| 102 | }, |
| 103 | @{ |
| 104 | @"Images": @(s.images.decodedSize), |
| 105 | @"CSS": @(s.cssStyleSheets.decodedSize), |
| 106 | #if ENABLE(XSLT) |
| 107 | @"XSL": @(s.xslStyleSheets.decodedSize), |
| 108 | #else |
| 109 | @"XSL": @(0), |
| 110 | #endif |
| 111 | @"JavaScript": @(s.scripts.decodedSize), |
| 112 | }, |
| 113 | ]; |
| 114 | } |
| 115 | |
| 116 | + (void)empty |
| 117 | { |
| 118 | |
| 119 | WebCacheModel cacheModel = [WebView _cacheModel]; |
| 120 | [WebView _setCacheModel:WebCacheModelDocumentViewer]; |
| 121 | [WebView _setCacheModel:cacheModel]; |
| 122 | |
| 123 | |
| 124 | WebCore::CrossOriginPreflightResultCache::singleton().clear(); |
| 125 | } |
| 126 | |
| 127 | #if PLATFORM(IOS_FAMILY) |
| 128 | |
| 129 | + (void)emptyInMemoryResources |
| 130 | { |
| 131 | |
| 132 | |
| 133 | |
| 134 | |
| 135 | WebThreadRun(^{ |
| 136 | |
| 137 | WebCacheModel cacheModel = [WebView _cacheModel]; |
| 138 | [WebView _setCacheModel:WebCacheModelDocumentViewer]; |
| 139 | [WebView _setCacheModel:cacheModel]; |
| 140 | |
| 141 | WebCore::MemoryCache::singleton().pruneLiveResources(true); |
| 142 | }); |
| 143 | } |
| 144 | |
| 145 | + (void)sizeOfDeadResources:(int *)resources |
| 146 | { |
| 147 | WebCore::MemoryCache::Statistics stats = WebCore::MemoryCache::singleton().getStatistics(); |
| 148 | if (resources) { |
| 149 | *resources = (stats.images.size - stats.images.liveSize) |
| 150 | + (stats.cssStyleSheets.size - stats.cssStyleSheets.liveSize) |
| 151 | #if ENABLE(XSLT) |
| 152 | + (stats.xslStyleSheets.size - stats.xslStyleSheets.liveSize) |
| 153 | #endif |
| 154 | + (stats.scripts.size - stats.scripts.liveSize); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | + (CGImageRef)imageForURL:(NSURL *)url |
| 159 | { |
| 160 | if (!url) |
| 161 | return nullptr; |
| 162 | |
| 163 | WebCore::ResourceRequest request(url); |
| 164 | WebCore::CachedResource* cachedResource = WebCore::MemoryCache::singleton().resourceForRequest(request, PAL::SessionID::defaultSessionID()); |
| Local variable 'cachedResource' is uncounted and unsafe |
| 165 | if (!is<WebCore::CachedImage>(cachedResource)) |
| 166 | return nullptr; |
| 167 | |
| 168 | auto& cachedImage = downcast<WebCore::CachedImage>(*cachedResource); |
| 169 | if (!cachedImage.hasImage()) |
| 170 | return nullptr; |
| 171 | |
| 172 | auto nativeImage = cachedImage.image()->nativeImage(); |
| 173 | if (!nativeImage) |
| 174 | return nullptr; |
| 175 | |
| 176 | return nativeImage->platformImage().get(); |
| 177 | } |
| 178 | |
| 179 | #endif // PLATFORM(IOS_FAMILY) |
| 180 | |
| 181 | + (void)setDisabled:(BOOL)disabled |
| 182 | { |
| 183 | if (!pthread_main_np()) |
| 184 | return [[self _webkit_invokeOnMainThread] setDisabled:disabled]; |
| 185 | |
| 186 | WebCore::MemoryCache::singleton().setDisabled(disabled); |
| 187 | } |
| 188 | |
| 189 | + (BOOL)isDisabled |
| 190 | { |
| 191 | return WebCore::MemoryCache::singleton().disabled(); |
| 192 | } |
| 193 | |
| 194 | + (void)clearCachedCredentials |
| 195 | { |
| 196 | [WebView _makeAllWebViewsPerformSelector:@selector(_clearCredentials)]; |
| 197 | NetworkStorageSessionMap::defaultStorageSession().credentialStorage().clearCredentials(); |
| 198 | } |
| 199 | |
| 200 | @end |