blob: ea6f87de8d78b3faae23ccd0451efd19cecc0e26 [file] [log] [blame]
/*
* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``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 ITS 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 "DOMCacheEngine.h"
#include "CacheQueryOptions.h"
#include "Exception.h"
#include "HTTPParsers.h"
namespace WebCore {
namespace DOMCacheEngine {
static inline Exception errorToException(Error error)
{
switch (error) {
case Error::NotImplemented:
return Exception { NotSupportedError, ASCIILiteral("Not implemented") };
case Error::ReadDisk:
return Exception { TypeError, ASCIILiteral("Failed reading data from the file system") };
case Error::WriteDisk:
return Exception { TypeError, ASCIILiteral("Failed writing data to the file system") };
case Error::QuotaExceeded:
return Exception { QuotaExceededError, ASCIILiteral("Quota exceeded") };
default:
return Exception { TypeError, ASCIILiteral("Internal error") };
}
}
Exception convertToExceptionAndLog(ScriptExecutionContext* context, Error error)
{
auto exception = errorToException(error);
if (context)
context->addConsoleMessage(MessageSource::JS, MessageLevel::Error, makeString("Cache API operation failed: ", exception.message()));
return exception;
}
static inline bool matchURLs(const ResourceRequest& request, const URL& cachedURL, const CacheQueryOptions& options)
{
ASSERT(options.ignoreMethod || request.httpMethod() == "GET");
URL requestURL = request.url();
URL cachedRequestURL = cachedURL;
if (options.ignoreSearch) {
if (requestURL.hasQuery())
requestURL.setQuery({ });
if (cachedRequestURL.hasQuery())
cachedRequestURL.setQuery({ });
}
return equalIgnoringFragmentIdentifier(requestURL, cachedRequestURL);
}
bool queryCacheMatch(const ResourceRequest& request, const ResourceRequest& cachedRequest, const ResourceResponse& cachedResponse, const CacheQueryOptions& options)
{
if (!matchURLs(request, cachedRequest.url(), options))
return false;
if (options.ignoreVary)
return true;
String varyValue = cachedResponse.httpHeaderField(WebCore::HTTPHeaderName::Vary);
if (varyValue.isNull())
return true;
bool isVarying = false;
varyValue.split(',', false, [&](StringView view) {
if (isVarying)
return;
auto nameView = stripLeadingAndTrailingHTTPSpaces(view);
if (nameView == "*") {
isVarying = true;
return;
}
auto name = nameView.toString();
isVarying = cachedRequest.httpHeaderField(name) != request.httpHeaderField(name);
});
return !isVarying;
}
bool queryCacheMatch(const ResourceRequest& request, const URL& url, bool hasVaryStar, const HashMap<String, String>& varyHeaders, const CacheQueryOptions& options)
{
if (!matchURLs(request, url, options))
return false;
if (options.ignoreVary)
return true;
if (hasVaryStar)
return false;
for (const auto& pair : varyHeaders) {
if (pair.value != request.httpHeaderField(pair.key))
return false;
}
return true;
}
ResponseBody isolatedResponseBody(const ResponseBody& body)
{
return WTF::switchOn(body, [](const Ref<FormData>& formData) {
return formData->isolatedCopy();
}, [](const Ref<SharedBuffer>& buffer) {
return buffer->copy();
}, [](const std::nullptr_t&) {
return DOMCacheEngine::ResponseBody { };
});
}
ResponseBody copyResponseBody(const ResponseBody& body)
{
return WTF::switchOn(body, [](const Ref<FormData>& formData) {
return formData.copyRef();
}, [](const Ref<SharedBuffer>& buffer) {
return buffer.copyRef();
}, [](const std::nullptr_t&) {
return DOMCacheEngine::ResponseBody { };
});
}
Record Record::copy() const
{
return Record { identifier, updateResponseCounter, requestHeadersGuard, request, options, referrer, responseHeadersGuard, response, copyResponseBody(responseBody), responseBodySize };
}
static inline CacheInfo isolateCacheInfo(const CacheInfo& info)
{
return CacheInfo { info.identifier, info.name.isolatedCopy() };
}
CacheInfos CacheInfos::isolatedCopy()
{
return { WTF::map(infos, isolateCacheInfo), updateCounter };
}
} // namespace DOMCacheEngine
} // namespace WebCore