RefPtr<LegacyWebArchive> LegacyWebArchive::create(const URL&, SharedBuffer& data)
{
LOG(Archives, "LegacyWebArchive - Creating from raw data");
Ref<LegacyWebArchive> archive = create();
RetainPtr<CFDataRef> cfData = data.createCFData();
if (!cfData)
return nullptr;
CFErrorRef error = nullptr;
RetainPtr<CFDictionaryRef> plist = adoptCF(static_cast<CFDictionaryRef>(CFPropertyListCreateWithData(0, cfData.get(), kCFPropertyListImmutable, 0, &error)));
if (!plist) {
#ifndef NDEBUG
RetainPtr<CFStringRef> errorString = error ? adoptCF(CFErrorCopyDescription(error)) : 0;
const char* cError = errorString ? CFStringGetCStringPtr(errorString.get(), kCFStringEncodingUTF8) : "unknown error";
LOG(Archives, "LegacyWebArchive - Error parsing PropertyList from archive data - %s", cError);
#endif
if (error)
CFRelease(error);
return nullptr;
}
if (CFGetTypeID(plist.get()) != CFDictionaryGetTypeID()) {
LOG(Archives, "LegacyWebArchive - Archive property list is not the expected CFDictionary, aborting invalid WebArchive");
return nullptr;
}
if (!archive->extract(plist.get()))
return nullptr;
return WTFMove(archive);
}
std::unique_ptr<FontCustomPlatformData> createFontCustomPlatformData(SharedBuffer& buffer)
{
RetainPtr<CFDataRef> bufferData = buffer.createCFData();
RetainPtr<CTFontDescriptorRef> fontDescriptor = adoptCF(CTFontManagerCreateFontDescriptorFromData(bufferData.get()));
if (!fontDescriptor)
return nullptr;
return std::make_unique<FontCustomPlatformData>(fontDescriptor.get());
}
RetainPtr<CFDictionaryRef> LegacyWebArchive::createPropertyListRepresentation(ArchiveResource* resource, MainResourceStatus isMainResource)
{
if (!resource) {
// The property list representation of a null/empty WebResource has the following 3 objects stored as nil.
// FIXME: 0 is not serializable. Presumably we need to use kCFNull here instead for compatibility.
// FIXME: But why do we need to support a resource of 0? Who relies on that?
RetainPtr<CFMutableDictionaryRef> propertyList = adoptCF(CFDictionaryCreateMutable(0, 3, 0, 0));
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceDataKey, 0);
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceURLKey, 0);
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceMIMETypeKey, 0);
return propertyList;
}
RetainPtr<CFMutableDictionaryRef> propertyList = adoptCF(CFDictionaryCreateMutable(0, 6, 0, &kCFTypeDictionaryValueCallBacks));
// Resource data can be empty, but must be represented by an empty CFDataRef
SharedBuffer* data = resource->data();
RetainPtr<CFDataRef> cfData;
if (data)
cfData = data->createCFData();
else
cfData = adoptCF(CFDataCreate(0, 0, 0));
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceDataKey, cfData.get());
// Resource URL cannot be null
if (RetainPtr<CFStringRef> cfURL = resource->url().string().createCFString())
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceURLKey, cfURL.get());
else {
LOG(Archives, "LegacyWebArchive - NULL resource URL is invalid - returning null property list");
return 0;
}
// FrameName should be left out if empty for subresources, but always included for main resources
const String& frameName(resource->frameName());
if (!frameName.isEmpty() || isMainResource)
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceFrameNameKey, frameName.createCFString().get());
// Set MIMEType, TextEncodingName, and ResourceResponse only if they actually exist
const String& mimeType(resource->mimeType());
if (!mimeType.isEmpty())
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceMIMETypeKey, mimeType.createCFString().get());
const String& textEncoding(resource->textEncoding());
if (!textEncoding.isEmpty())
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceTextEncodingNameKey, textEncoding.createCFString().get());
// Don't include the resource response for the main resource
if (!isMainResource) {
RetainPtr<CFDataRef> resourceResponseData = createPropertyListRepresentation(resource->response());
if (resourceResponseData)
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceResponseKey, resourceResponseData.get());
}
return propertyList;
}
void ImageDecoder::setData(SharedBuffer& data, bool allDataReceived)
{
m_isAllDataReceived = allDataReceived;
#if PLATFORM(COCOA)
// On Mac the NSData inside the SharedBuffer can be secretly appended to without the SharedBuffer's knowledge.
// We use SharedBuffer's ability to wrap itself inside CFData to get around this, ensuring that ImageIO is
// really looking at the SharedBuffer.
CGImageSourceUpdateData(m_nativeDecoder.get(), data.createCFData().get(), allDataReceived);
#else
// Create a CGDataProvider to wrap the SharedBuffer.
data.ref();
// We use the GetBytesAtPosition callback rather than the GetBytePointer one because SharedBuffer
// does not provide a way to lock down the byte pointer and guarantee that it won't move, which
// is a requirement for using the GetBytePointer callback.
CGDataProviderDirectCallbacks providerCallbacks = { 0, 0, 0, sharedBufferGetBytesAtPosition, sharedBufferRelease };
RetainPtr<CGDataProviderRef> dataProvider = adoptCF(CGDataProviderCreateDirect(&data, data.size(), &providerCallbacks));
CGImageSourceUpdateDataProvider(m_nativeDecoder.get(), dataProvider.get(), allDataReceived);
#endif
}
std::unique_ptr<FontCustomPlatformData> createFontCustomPlatformData(SharedBuffer& buffer)
{
RetainPtr<CFDataRef> bufferData = buffer.createCFData();
#if CORETEXT_WEB_FONTS
RetainPtr<CTFontDescriptorRef> fontDescriptor = adoptCF(CTFontManagerCreateFontDescriptorFromData(bufferData.get()));
if (!fontDescriptor)
return nullptr;
return std::make_unique<FontCustomPlatformData>(fontDescriptor.get());
#else
RetainPtr<CGDataProviderRef> dataProvider = adoptCF(CGDataProviderCreateWithCFData(bufferData.get()));
RetainPtr<CGFontRef> cgFontRef = adoptCF(CGFontCreateWithDataProvider(dataProvider.get()));
if (!cgFontRef)
return nullptr;
return std::make_unique<FontCustomPlatformData>(cgFontRef.get());
#endif
}
static RetainPtr<CFDictionaryRef> createPropertyListRepresentationFromResource(ArchiveResource* resource, bool mainResource)
{
if (!resource) {
// The property list representation of a null/empty WebResource has the following 3 objects stored as nil
RetainPtr<CFMutableDictionaryRef> propertyList(AdoptCF, CFDictionaryCreateMutable(0, 3, 0, 0));
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceDataKey, 0);
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceURLKey, 0);
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceMIMETypeKey, 0);
return propertyList;
}
RetainPtr<CFMutableDictionaryRef> propertyList(AdoptCF, CFDictionaryCreateMutable(0, 6, 0, &kCFTypeDictionaryValueCallBacks));
// Resource data can be empty, but must be represented by an empty CFDataRef
SharedBuffer* data = resource->data();
RetainPtr<CFDataRef> cfData;
if (data)
cfData.adoptCF(data->createCFData());
else
cfData.adoptCF(CFDataCreate(0, 0, 0));
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceDataKey, cfData.get());
// Resource URL cannot be null
RetainPtr<CFStringRef> cfURL(AdoptCF, resource->url().string().createCFString());
if (cfURL)
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceURLKey, cfURL.get());
else {
LOG(Archives, "LegacyWebArchive - NULL resource URL is invalid - returning null property list");
return 0;
}
// FrameName should be left out if empty for subresources, but always included for main resources
const String& frameName(resource->frameName());
if (!frameName.isEmpty() || mainResource) {
RetainPtr<CFStringRef> cfFrameName(AdoptCF, frameName.createCFString());
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceFrameNameKey, cfFrameName.get());
}
// Set MIMEType, TextEncodingName, and ResourceResponse only if they actually exist
const String& mimeType(resource->mimeType());
if (!mimeType.isEmpty()) {
RetainPtr<CFStringRef> cfMIMEType(AdoptCF, mimeType.createCFString());
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceMIMETypeKey, cfMIMEType.get());
}
const String& textEncoding(resource->textEncoding());
if (!textEncoding.isEmpty()) {
RetainPtr<CFStringRef> cfTextEncoding(AdoptCF, textEncoding.createCFString());
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceTextEncodingNameKey, cfTextEncoding.get());
}
// Don't include the resource response for the main resource
if (!mainResource) {
RetainPtr<CFDataRef> resourceResponseData = propertyListDataFromResourceResponse(resource->response());
if (resourceResponseData)
CFDictionarySetValue(propertyList.get(), LegacyWebArchiveResourceResponseKey, resourceResponseData.get());
}
return propertyList;
}