bool LinkLoader::loadLinkFromHeader(const String& headerValue, const KURL& baseURL, Document* document, const NetworkHintsInterface& networkHintsInterface, CanLoadResources canLoadResources)
{
if (!document)
return false;
LinkHeaderSet headerSet(headerValue);
for (auto& header : headerSet) {
if (!header.valid() || header.url().isEmpty() || header.rel().isEmpty())
return false;
LinkRelAttribute relAttribute(header.rel());
KURL url(baseURL, header.url());
if (canLoadResources != OnlyLoadResources) {
if (RuntimeEnabledFeatures::linkHeaderEnabled())
dnsPrefetchIfNeeded(relAttribute, url, *document, networkHintsInterface, LinkCalledFromHeader);
if (RuntimeEnabledFeatures::linkPreconnectEnabled())
preconnectIfNeeded(relAttribute, url, *document, header.crossOrigin(), networkHintsInterface, LinkCalledFromHeader);
}
if (canLoadResources != DoNotLoadResources) {
bool errorOccurred = false;
if (RuntimeEnabledFeatures::linkPreloadEnabled())
preloadIfNeeded(relAttribute, url, *document, header.as(), header.mimeType(), header.crossOrigin(), LinkCalledFromHeader, errorOccurred);
}
// TODO(yoav): Add more supported headers as needed.
}
return true;
}
void LinkLoader::loadLinksFromHeader(const String& headerValue, const KURL& baseURL, Document* document, const NetworkHintsInterface& networkHintsInterface,
CanLoadResources canLoadResources, ViewportDescriptionWrapper* viewportDescriptionWrapper)
{
if (!document || headerValue.isEmpty())
return;
LinkHeaderSet headerSet(headerValue);
for (auto& header : headerSet) {
if (!header.valid() || header.url().isEmpty() || header.rel().isEmpty())
continue;
LinkRelAttribute relAttribute(header.rel());
KURL url(baseURL, header.url());
if (canLoadResources != OnlyLoadResources) {
if (RuntimeEnabledFeatures::linkHeaderEnabled())
dnsPrefetchIfNeeded(relAttribute, url, *document, networkHintsInterface, LinkCalledFromHeader);
if (RuntimeEnabledFeatures::linkPreconnectEnabled())
preconnectIfNeeded(relAttribute, url, *document, crossOriginAttributeValue(header.crossOrigin()), networkHintsInterface, LinkCalledFromHeader);
}
if (canLoadResources != DoNotLoadResources) {
bool errorOccurred = false;
if (RuntimeEnabledFeatures::linkPreloadEnabled()) {
ViewportDescription* viewportDescription = (viewportDescriptionWrapper && viewportDescriptionWrapper->set) ? &(viewportDescriptionWrapper->description) : nullptr;
preloadIfNeeded(relAttribute, url, *document, header.as(), header.mimeType(), header.media(), crossOriginAttributeValue(header.crossOrigin()), LinkCalledFromHeader, errorOccurred, viewportDescription);
}
}
// TODO(yoav): Add more supported headers as needed.
}
}
void LinkLoader::loadLinksFromHeader(
const String& headerValue,
const KURL& baseURL,
Document* document,
const NetworkHintsInterface& networkHintsInterface,
CanLoadResources canLoadResources,
MediaPreloadPolicy mediaPolicy,
ViewportDescriptionWrapper* viewportDescriptionWrapper) {
if (!document || headerValue.isEmpty())
return;
LinkHeaderSet headerSet(headerValue);
for (auto& header : headerSet) {
if (!header.valid() || header.url().isEmpty() || header.rel().isEmpty())
continue;
if (mediaPolicy == OnlyLoadMedia && header.media().isEmpty())
continue;
if (mediaPolicy == OnlyLoadNonMedia && !header.media().isEmpty())
continue;
LinkRelAttribute relAttribute(header.rel());
KURL url(baseURL, header.url());
// Sanity check to avoid re-entrancy here.
if (url == baseURL)
continue;
if (canLoadResources != OnlyLoadResources) {
dnsPrefetchIfNeeded(relAttribute, url, *document, networkHintsInterface,
LinkCalledFromHeader);
preconnectIfNeeded(relAttribute, url, *document,
crossOriginAttributeValue(header.crossOrigin()),
networkHintsInterface, LinkCalledFromHeader);
}
if (canLoadResources != DoNotLoadResources) {
bool errorOccurred = false;
ViewportDescription* viewportDescription =
(viewportDescriptionWrapper && viewportDescriptionWrapper->set)
? &(viewportDescriptionWrapper->description)
: nullptr;
preloadIfNeeded(relAttribute, url, *document, header.as(),
header.mimeType(), header.media(),
crossOriginAttributeValue(header.crossOrigin()),
LinkCalledFromHeader, errorOccurred, viewportDescription,
ReferrerPolicyDefault);
}
if (relAttribute.isServiceWorker()) {
UseCounter::count(*document, UseCounter::LinkHeaderServiceWorker);
}
// TODO(yoav): Add more supported headers as needed.
}
}
bool LinkLoader::loadLinkFromHeader(const String& headerValue, Document* document)
{
if (!document)
return false;
LinkHeaderSet headerSet(headerValue);
for (auto& header : headerSet) {
if (!header.valid() || header.url().isEmpty() || header.rel().isEmpty())
return false;
LinkRelAttribute relAttribute(header.rel());
KURL url = document->completeURL(header.url());
if (RuntimeEnabledFeatures::linkHeaderEnabled())
dnsPrefetchIfNeeded(relAttribute, url, *document);
if (RuntimeEnabledFeatures::linkPreconnectEnabled())
preconnectIfNeeded(relAttribute, url, *document, header.crossOrigin());
// FIXME: Add more supported headers as needed.
}
return true;
}
