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/*
* Copyright (C) 2016 Canon Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions
* are required to be 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.
* 3. Neither the name of Canon Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CANON 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 CANON INC. AND 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 "FetchBody.h"
#include "Document.h"
#include "FetchBodyOwner.h"
#include "FetchBodySource.h"
#include "FetchHeaders.h"
#include "HTTPHeaderValues.h"
#include "HTTPParsers.h"
#include "ReadableStreamSource.h"
#include <JavaScriptCore/ArrayBufferView.h>
namespace WebCore {
FetchBody FetchBody::extract(ScriptExecutionContext& context, Init&& value, String& contentType)
{
return WTF::switchOn(value, [&](RefPtr<Blob>& value) mutable {
Ref<const Blob> blob = value.releaseNonNull();
if (!blob->type().isEmpty())
contentType = blob->type();
return FetchBody(WTFMove(blob));
}, [&](RefPtr<DOMFormData>& value) mutable {
Ref<DOMFormData> domFormData = value.releaseNonNull();
auto formData = FormData::createMultiPart(domFormData.get(), &downcast<Document>(context));
contentType = makeString("multipart/form-data; boundary=", formData->boundary().data());
return FetchBody(WTFMove(formData));
}, [&](RefPtr<URLSearchParams>& value) mutable {
Ref<const URLSearchParams> params = value.releaseNonNull();
contentType = HTTPHeaderValues::formURLEncodedContentType();
return FetchBody(WTFMove(params));
}, [&](RefPtr<ArrayBuffer>& value) mutable {
Ref<const ArrayBuffer> buffer = value.releaseNonNull();
return FetchBody(WTFMove(buffer));
}, [&](RefPtr<ArrayBufferView>& value) mutable {
Ref<const ArrayBufferView> buffer = value.releaseNonNull();
return FetchBody(WTFMove(buffer));
}, [&](RefPtr<ReadableStream>& stream) mutable {
return FetchBody(stream.releaseNonNull());
}, [&](String& value) {
contentType = HTTPHeaderValues::textPlainContentType();
return FetchBody(WTFMove(value));
});
}
std::optional<FetchBody> FetchBody::fromFormData(FormData& formData)
{
ASSERT(!formData.isEmpty());
if (auto buffer = formData.asSharedBuffer()) {
FetchBody body;
body.m_consumer.setData(buffer.releaseNonNull());
return WTFMove(body);
}
auto url = formData.asBlobURL();
if (!url.isNull()) {
// FIXME: Properly set mime type and size of the blob.
Ref<const Blob> blob = Blob::deserialize(url, { }, 0, { });
return FetchBody { WTFMove(blob) };
}
// FIXME: Support form data bodies.
return std::nullopt;
}
void FetchBody::arrayBuffer(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise)
{
m_consumer.setType(FetchBodyConsumer::Type::ArrayBuffer);
consume(owner, WTFMove(promise));
}
void FetchBody::blob(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise, const String& contentType)
{
m_consumer.setType(FetchBodyConsumer::Type::Blob);
m_consumer.setContentType(Blob::normalizedContentType(extractMIMETypeFromMediaType(contentType)));
consume(owner, WTFMove(promise));
}
void FetchBody::json(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise)
{
if (isText()) {
fulfillPromiseWithJSON(WTFMove(promise), textBody());
return;
}
m_consumer.setType(FetchBodyConsumer::Type::JSON);
consume(owner, WTFMove(promise));
}
void FetchBody::text(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise)
{
if (isText()) {
promise->resolve<IDLDOMString>(textBody());
return;
}
m_consumer.setType(FetchBodyConsumer::Type::Text);
consume(owner, WTFMove(promise));
}
void FetchBody::consumeOnceLoadingFinished(FetchBodyConsumer::Type type, Ref<DeferredPromise>&& promise, const String& contentType)
{
m_consumer.setType(type);
m_consumer.setConsumePromise(WTFMove(promise));
if (type == FetchBodyConsumer::Type::Blob)
m_consumer.setContentType(Blob::normalizedContentType(extractMIMETypeFromMediaType(contentType)));
}
void FetchBody::consume(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise)
{
if (isArrayBuffer()) {
consumeArrayBuffer(WTFMove(promise));
return;
}
if (isArrayBufferView()) {
consumeArrayBufferView(WTFMove(promise));
return;
}
if (isText()) {
consumeText(WTFMove(promise), textBody());
return;
}
if (isURLSearchParams()) {
consumeText(WTFMove(promise), urlSearchParamsBody().toString());
return;
}
if (isBlob()) {
consumeBlob(owner, WTFMove(promise));
return;
}
if (isFormData()) {
// FIXME: Support consuming FormData.
promise->reject(NotSupportedError);
return;
}
m_consumer.resolve(WTFMove(promise), m_readableStream.get());
}
#if ENABLE(STREAMS_API)
void FetchBody::consumeAsStream(FetchBodyOwner& owner, FetchBodySource& source)
{
bool closeStream = false;
if (isArrayBuffer()) {
closeStream = source.enqueue(ArrayBuffer::tryCreate(arrayBufferBody().data(), arrayBufferBody().byteLength()));
m_data = nullptr;
} else if (isArrayBufferView()) {
closeStream = source.enqueue(ArrayBuffer::tryCreate(arrayBufferViewBody().baseAddress(), arrayBufferViewBody().byteLength()));
m_data = nullptr;
} else if (isText()) {
auto data = UTF8Encoding().encode(textBody(), UnencodableHandling::Entities);
closeStream = source.enqueue(ArrayBuffer::tryCreate(data.data(), data.size()));
m_data = nullptr;
} else if (isURLSearchParams()) {
auto data = UTF8Encoding().encode(urlSearchParamsBody().toString(), UnencodableHandling::Entities);
closeStream = source.enqueue(ArrayBuffer::tryCreate(data.data(), data.size()));
m_data = nullptr;
} else if (isBlob()) {
owner.loadBlob(blobBody(), nullptr);
m_data = nullptr;
} else if (isFormData())
source.error(ASCIILiteral("not implemented"));
else if (m_consumer.hasData())
closeStream = source.enqueue(m_consumer.takeAsArrayBuffer());
else
closeStream = true;
if (closeStream)
source.close();
}
#endif
void FetchBody::consumeArrayBuffer(Ref<DeferredPromise>&& promise)
{
m_consumer.resolveWithData(WTFMove(promise), static_cast<const uint8_t*>(arrayBufferBody().data()), arrayBufferBody().byteLength());
m_data = nullptr;
}
void FetchBody::consumeArrayBufferView(Ref<DeferredPromise>&& promise)
{
m_consumer.resolveWithData(WTFMove(promise), static_cast<const uint8_t*>(arrayBufferViewBody().baseAddress()), arrayBufferViewBody().byteLength());
m_data = nullptr;
}
void FetchBody::consumeText(Ref<DeferredPromise>&& promise, const String& text)
{
auto data = UTF8Encoding().encode(text, UnencodableHandling::Entities);
m_consumer.resolveWithData(WTFMove(promise), data.data(), data.size());
m_data = nullptr;
}
void FetchBody::consumeBlob(FetchBodyOwner& owner, Ref<DeferredPromise>&& promise)
{
m_consumer.setConsumePromise(WTFMove(promise));
owner.loadBlob(blobBody(), &m_consumer);
m_data = nullptr;
}
void FetchBody::loadingFailed()
{
m_consumer.loadingFailed();
}
void FetchBody::loadingSucceeded()
{
m_consumer.loadingSucceeded();
}
RefPtr<FormData> FetchBody::bodyAsFormData(ScriptExecutionContext& context) const
{
if (isText())
return FormData::create(UTF8Encoding().encode(textBody(), UnencodableHandling::Entities));
if (isURLSearchParams())
return FormData::create(UTF8Encoding().encode(urlSearchParamsBody().toString(), UnencodableHandling::Entities));
if (isBlob()) {
RefPtr<FormData> body = FormData::create();
body->appendBlob(blobBody().url());
return body;
}
if (isArrayBuffer())
return FormData::create(arrayBufferBody().data(), arrayBufferBody().byteLength());
if (isArrayBufferView())
return FormData::create(arrayBufferViewBody().baseAddress(), arrayBufferViewBody().byteLength());
if (isFormData()) {
ASSERT(!context.isWorkerGlobalScope());
RefPtr<FormData> body = const_cast<FormData*>(&formDataBody());
body->generateFiles(&downcast<Document>(context));
return body;
}
if (auto* data = m_consumer.data())
return FormData::create(data->data(), data->size());
ASSERT_NOT_REACHED();
return nullptr;
}
FetchBody::TakenData FetchBody::take()
{
if (m_consumer.hasData()) {
auto buffer = m_consumer.takeData();
if (!buffer)
return nullptr;
return buffer.releaseNonNull();
}
if (isBlob()) {
auto body = FormData::create();
body->appendBlob(blobBody().url());
return WTFMove(body);
}
if (isFormData())
return formDataBody();
if (isText())
return SharedBuffer::create(UTF8Encoding().encode(textBody(), UnencodableHandling::Entities));
if (isURLSearchParams())
return SharedBuffer::create(UTF8Encoding().encode(urlSearchParamsBody().toString(), UnencodableHandling::Entities));
if (isArrayBuffer())
return SharedBuffer::create(reinterpret_cast<const char*>(arrayBufferBody().data()), arrayBufferBody().byteLength());
if (isArrayBufferView())
return SharedBuffer::create(reinterpret_cast<const uint8_t*>(arrayBufferViewBody().baseAddress()), arrayBufferViewBody().byteLength());
return nullptr;
}
FetchBody FetchBody::clone()
{
FetchBody clone(m_consumer);
if (isArrayBuffer())
clone.m_data = arrayBufferBody();
else if (isArrayBufferView())
clone.m_data = arrayBufferViewBody();
else if (isBlob())
clone.m_data = blobBody();
else if (isFormData())
clone.m_data = const_cast<FormData&>(formDataBody());
else if (isText())
clone.m_data = textBody();
else if (isURLSearchParams())
clone.m_data = urlSearchParamsBody();
if (m_readableStream) {
auto clones = m_readableStream->tee();
m_readableStream = WTFMove(clones.first);
clone.m_readableStream = WTFMove(clones.second);
}
return clone;
}
}