blob: 54feed2ca6412b45209870c77343609d8509b778 [file] [log] [blame]
/*
* Copyright (C) 2018 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ApplicationCacheResourceLoader.h"
#include "CachedResourceLoader.h"
namespace WebCore {
RefPtr<ApplicationCacheResourceLoader> ApplicationCacheResourceLoader::create(unsigned type, CachedResourceLoader& loader, ResourceRequest&& request, CompletionHandler<void(ResourceOrError&&)>&& callback)
{
ResourceLoaderOptions options;
options.storedCredentialsPolicy = StoredCredentialsPolicy::Use;
options.credentials = FetchOptions::Credentials::Include;
options.applicationCacheMode = ApplicationCacheMode::Bypass;
options.certificateInfoPolicy = CertificateInfoPolicy::IncludeCertificateInfo;
CachedResourceRequest cachedResourceRequest { WTFMove(request), options };
auto resource = loader.requestRawResource(WTFMove(cachedResourceRequest));
if (!resource.has_value()) {
callback(makeUnexpected(Error::CannotCreateResource));
return nullptr;
}
return adoptRef(*new ApplicationCacheResourceLoader { type, WTFMove(resource.value()), WTFMove(callback) });
}
ApplicationCacheResourceLoader::ApplicationCacheResourceLoader(unsigned type, CachedResourceHandle<CachedRawResource>&& resource, CompletionHandler<void(ResourceOrError&&)>&& callback)
: m_type(type)
, m_resource(WTFMove(resource))
, m_callback(WTFMove(callback))
{
m_resource->addClient(*this);
}
ApplicationCacheResourceLoader::~ApplicationCacheResourceLoader()
{
if (auto callback = WTFMove(m_callback))
callback(makeUnexpected(Error::Abort));
if (m_resource)
m_resource->removeClient(*this);
}
void ApplicationCacheResourceLoader::cancel(Error error)
{
Ref protectedThis { *this };
if (auto callback = WTFMove(m_callback))
callback(makeUnexpected(error));
if (m_resource) {
m_resource->removeClient(*this);
m_resource = nullptr;
}
}
void ApplicationCacheResourceLoader::responseReceived(CachedResource& resource, const ResourceResponse& response, CompletionHandler<void()>&& completionHandler)
{
ASSERT_UNUSED(resource, &resource == m_resource);
CompletionHandlerCallingScope completionHandlerCaller(WTFMove(completionHandler));
if (response.httpStatusCode() == 404 || response.httpStatusCode() == 410) {
cancel(Error::NotFound);
return;
}
if (response.httpStatusCode() == 304) {
notifyFinished(*m_resource, { });
return;
}
if (response.httpStatusCode() / 100 != 2) {
cancel(Error::NotOK);
return;
}
m_applicationCacheResource = ApplicationCacheResource::create(m_resource->url(), response, m_type);
}
void ApplicationCacheResourceLoader::dataReceived(CachedResource&, const SharedBuffer& buffer)
{
m_applicationCacheResource->append(buffer);
}
void ApplicationCacheResourceLoader::redirectReceived(CachedResource&, ResourceRequest&& newRequest, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&& callback)
{
m_hasRedirection = true;
bool isRedirectionDisallowed = (m_type & ApplicationCacheResource::Type::Manifest) || (m_type & ApplicationCacheResource::Explicit) || (m_type & ApplicationCacheResource::Fallback);
if (isRedirectionDisallowed) {
cancel(Error::RedirectForbidden);
callback({ });
return;
}
callback(WTFMove(newRequest));
}
void ApplicationCacheResourceLoader::notifyFinished(CachedResource& resource, const NetworkLoadMetrics&)
{
Ref protectedThis { *this };
ASSERT_UNUSED(resource, &resource == m_resource);
if (m_resource->errorOccurred()) {
cancel(Error::NetworkError);
return;
}
if (auto callback = WTFMove(m_callback))
callback(WTFMove(m_applicationCacheResource));
CachedResourceHandle<CachedRawResource> resourceHandle;
std::swap(resourceHandle, m_resource);
if (resourceHandle)
resourceHandle->removeClient(*this);
}
} // namespace WebCore