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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "BodyExtractor.h"
#include "mozilla/dom/EncodingUtils.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FormData.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/URLSearchParams.h"
#include "mozilla/dom/XMLHttpRequest.h"
#include "nsContentUtils.h"
#include "nsIDOMDocument.h"
#include "nsIDOMSerializer.h"
#include "nsIGlobalObject.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsIStorageStream.h"
#include "nsStringStream.h"
#include "nsIUnicodeEncoder.h"
namespace mozilla {
namespace dom {
static nsresult
GetBufferDataAsStream(const uint8_t* aData, uint32_t aDataLength,
nsIInputStream** aResult, uint64_t* aContentLength,
nsACString& aContentType, nsACString& aCharset)
{
aContentType.SetIsVoid(true);
aCharset.Truncate();
*aContentLength = aDataLength;
const char* data = reinterpret_cast<const char*>(aData);
nsCOMPtr<nsIInputStream> stream;
nsresult rv = NS_NewByteInputStream(getter_AddRefs(stream), data, aDataLength,
NS_ASSIGNMENT_COPY);
NS_ENSURE_SUCCESS(rv, rv);
stream.forget(aResult);
return NS_OK;
}
template<> nsresult
BodyExtractor<const ArrayBuffer>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
mBody->ComputeLengthAndData();
return GetBufferDataAsStream(mBody->Data(), mBody->Length(),
aResult, aContentLength, aContentTypeWithCharset,
aCharset);
}
template<> nsresult
BodyExtractor<const ArrayBufferView>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
mBody->ComputeLengthAndData();
return GetBufferDataAsStream(mBody->Data(), mBody->Length(),
aResult, aContentLength, aContentTypeWithCharset,
aCharset);
}
template<> nsresult
BodyExtractor<nsIDocument>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(mBody));
NS_ENSURE_STATE(domdoc);
aCharset.AssignLiteral("UTF-8");
nsresult rv;
nsCOMPtr<nsIStorageStream> storStream;
rv = NS_NewStorageStream(4096, UINT32_MAX, getter_AddRefs(storStream));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIOutputStream> output;
rv = storStream->GetOutputStream(0, getter_AddRefs(output));
NS_ENSURE_SUCCESS(rv, rv);
if (mBody->IsHTMLDocument()) {
aContentTypeWithCharset.AssignLiteral("text/html;charset=UTF-8");
nsString serialized;
if (!nsContentUtils::SerializeNodeToMarkup(mBody, true, serialized)) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsAutoCString utf8Serialized;
if (!AppendUTF16toUTF8(serialized, utf8Serialized, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
uint32_t written;
rv = output->Write(utf8Serialized.get(), utf8Serialized.Length(), &written);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ASSERT(written == utf8Serialized.Length());
} else {
aContentTypeWithCharset.AssignLiteral("application/xml;charset=UTF-8");
nsCOMPtr<nsIDOMSerializer> serializer =
do_CreateInstance(NS_XMLSERIALIZER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
// Make sure to use the encoding we'll send
rv = serializer->SerializeToStream(domdoc, output, aCharset);
NS_ENSURE_SUCCESS(rv, rv);
}
output->Close();
uint32_t length;
rv = storStream->GetLength(&length);
NS_ENSURE_SUCCESS(rv, rv);
*aContentLength = length;
rv = storStream->NewInputStream(0, aResult);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
template<> nsresult
BodyExtractor<const nsAString>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
nsCOMPtr<nsIUnicodeEncoder> encoder =
EncodingUtils::EncoderForEncoding("UTF-8");
if (!encoder) {
return NS_ERROR_OUT_OF_MEMORY;
}
int32_t destBufferLen;
nsresult rv = encoder->GetMaxLength(mBody->BeginReading(), mBody->Length(),
&destBufferLen);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCString encoded;
if (!encoded.SetCapacity(destBufferLen, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
char* destBuffer = encoded.BeginWriting();
int32_t srcLen = (int32_t) mBody->Length();
int32_t outLen = destBufferLen;
rv = encoder->Convert(mBody->BeginReading(), &srcLen, destBuffer, &outLen);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
MOZ_ASSERT(outLen <= destBufferLen);
encoded.SetLength(outLen);
rv = NS_NewCStringInputStream(aResult, encoded);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
*aContentLength = outLen;
aContentTypeWithCharset.AssignLiteral("text/plain;charset=UTF-8");
aCharset.AssignLiteral("UTF-8");
return NS_OK;
}
template<> nsresult
BodyExtractor<nsIInputStream>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
aContentTypeWithCharset.AssignLiteral("text/plain");
aCharset.Truncate();
nsresult rv = mBody->Available(aContentLength);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInputStream> stream(mBody);
stream.forget(aResult);
return NS_OK;
}
template<> nsresult
BodyExtractor<nsIXHRSendable>::GetAsStream(nsIInputStream** aResult,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const
{
return mBody->GetSendInfo(aResult, aContentLength, aContentTypeWithCharset,
aCharset);
}
} // dom namespace
} // mozilla namespace
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