mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Fetch.h"
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#include "nsIStringStream.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsStringStream.h"
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#include "mozilla/dom/EncodingUtils.h"
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#include "mozilla/dom/FetchBinding.h"
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#include "mozilla/dom/URLSearchParams.h"
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namespace mozilla {
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namespace dom {
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nsresult
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ExtractByteStreamFromBody(const OwningArrayBufferOrArrayBufferViewOrScalarValueStringOrURLSearchParams& aBodyInit,
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nsIInputStream** aStream,
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nsCString& aContentType)
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{
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MOZ_ASSERT(aStream);
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nsresult rv;
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nsCOMPtr<nsIInputStream> byteStream;
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if (aBodyInit.IsArrayBuffer()) {
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const ArrayBuffer& buf = aBodyInit.GetAsArrayBuffer();
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buf.ComputeLengthAndData();
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//XXXnsm reinterpret_cast<> is used in DOMParser, should be ok.
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rv = NS_NewByteInputStream(getter_AddRefs(byteStream),
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reinterpret_cast<char*>(buf.Data()),
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buf.Length(), NS_ASSIGNMENT_COPY);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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} else if (aBodyInit.IsArrayBufferView()) {
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const ArrayBufferView& buf = aBodyInit.GetAsArrayBufferView();
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buf.ComputeLengthAndData();
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//XXXnsm reinterpret_cast<> is used in DOMParser, should be ok.
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rv = NS_NewByteInputStream(getter_AddRefs(byteStream),
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reinterpret_cast<char*>(buf.Data()),
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buf.Length(), NS_ASSIGNMENT_COPY);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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} else if (aBodyInit.IsScalarValueString()) {
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nsString str = aBodyInit.GetAsScalarValueString();
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nsCOMPtr<nsIUnicodeEncoder> encoder = EncodingUtils::EncoderForEncoding("UTF-8");
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if (!encoder) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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int32_t destBufferLen;
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rv = encoder->GetMaxLength(str.get(), str.Length(), &destBufferLen);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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nsCString encoded;
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if (!encoded.SetCapacity(destBufferLen, fallible_t())) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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char* destBuffer = encoded.BeginWriting();
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int32_t srcLen = (int32_t) str.Length();
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int32_t outLen = destBufferLen;
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rv = encoder->Convert(str.get(), &srcLen, destBuffer, &outLen);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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MOZ_ASSERT(outLen <= destBufferLen);
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encoded.SetLength(outLen);
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rv = NS_NewCStringInputStream(getter_AddRefs(byteStream), encoded);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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aContentType = NS_LITERAL_CSTRING("text/plain;charset=UTF-8");
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} else if (aBodyInit.IsURLSearchParams()) {
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URLSearchParams& params = aBodyInit.GetAsURLSearchParams();
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nsString serialized;
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params.Stringify(serialized);
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rv = NS_NewStringInputStream(getter_AddRefs(byteStream), serialized);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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aContentType = NS_LITERAL_CSTRING("application/x-www-form-urlencoded;charset=UTF-8");
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}
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MOZ_ASSERT(byteStream);
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byteStream.forget(aStream);
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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