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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"
#if ENABLE(FETCH_API)
#include "Dictionary.h"
#include "ExceptionCode.h"
#include "JSBlob.h"
#include "JSDOMFormData.h"
#include <runtime/JSONObject.h>
namespace WebCore {
FetchBody::FetchBody(Ref<Blob>&& blob)
: m_type(Type::Blob)
, m_mimeType(blob->type())
, m_blob(WTFMove(blob))
{
}
FetchBody::FetchBody(Ref<DOMFormData>&& formData)
: m_type(Type::FormData)
, m_mimeType(ASCIILiteral("multipart/form-data"))
, m_formData(WTFMove(formData))
{
// FIXME: Handle the boundary parameter of multipart/form-data MIME type.
}
FetchBody::FetchBody(String&& text)
: m_type(Type::Text)
, m_mimeType(ASCIILiteral("text/plain;charset=UTF-8"))
, m_text(WTFMove(text))
{
}
FetchBody FetchBody::fromJSValue(JSC::ExecState& state, JSC::JSValue value)
{
if (value.inherits(JSBlob::info()))
return FetchBody(*JSBlob::toWrapped(value));
if (value.inherits(JSDOMFormData::info()))
return FetchBody(*JSDOMFormData::toWrapped(value));
if (value.isString())
return FetchBody(value.toWTFString(&state));
return FetchBody();
}
// FIXME: Once FetchResponse is added, check whether using a move constructor instead.
// Ensure whether resetting m_mimeType to the empty string be not observable.
FetchBody FetchBody::fromRequestBody(FetchBody* body)
{
if (!body)
return FetchBody();
FetchBody result;
result.m_type = body->m_type;
result.m_mimeType = body->m_mimeType;
result.m_blob = WTFMove(body->m_blob);
result.m_formData = WTFMove(body->m_formData);
result.m_text = WTFMove(body->m_text);
body->m_isDisturbed = true;
return result;
}
template<typename T> inline bool FetchBody::processIfEmptyOrDisturbed(DOMPromise<T, ExceptionCode>& promise)
{
if (m_type == Type::None) {
promise.resolve(T());
return true;
}
if (m_isDisturbed) {
promise.reject(TypeError);
return true;
}
m_isDisturbed = true;
return false;
}
void FetchBody::arrayBuffer(ArrayBufferPromise&& promise)
{
if (processIfEmptyOrDisturbed(promise))
return;
if (m_type == Type::Text) {
// FIXME: promise expects a Vector<unsigned char> that will be converted to an ArrayBuffer.
// We should try to create a Vector<unsigned char> or an ArrayBuffer directly from m_text.
CString data = m_text.utf8();
Vector<unsigned char> value(data.length());
memcpy(value.data(), data.data(), data.length());
promise.resolve(WTFMove(value));
return;
}
// FIXME: Support other types.
promise.reject(0);
}
void FetchBody::formData(FormDataPromise&& promise)
{
if (m_type == Type::None || m_isDisturbed) {
promise.reject(TypeError);
return;
}
m_isDisturbed = true;
// FIXME: Support other types.
promise.reject(0);
}
void FetchBody::blob(BlobPromise&& promise)
{
if (processIfEmptyOrDisturbed(promise))
return;
// FIXME: Support other types.
promise.reject(0);
}
void FetchBody::text(TextPromise&& promise)
{
if (processIfEmptyOrDisturbed(promise))
return;
if (m_type == Type::Text) {
promise.resolve(m_text);
return;
}
// FIXME: Support other types.
promise.reject(0);
}
void FetchBody::json(JSC::ExecState& state, JSONPromise&& promise)
{
if (processIfEmptyOrDisturbed(promise))
return;
if (m_type == Type::Text) {
JSC::JSValue value = JSC::JSONParse(&state, m_text);
if (!value)
promise.reject(SYNTAX_ERR);
else
promise.resolve(value);
return;
}
// FIXME: Support other types.
promise.reject(0);
}
}
#endif // ENABLE(FETCH_API)
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