mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-08 22:08:16 +00:00
432 lines
11 KiB
C++
432 lines
11 KiB
C++
/* -*- 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 "FormData.h"
|
|
#include "nsIVariant.h"
|
|
#include "nsIInputStream.h"
|
|
#include "mozilla/dom/File.h"
|
|
#include "mozilla/dom/Directory.h"
|
|
#include "mozilla/dom/HTMLFormElement.h"
|
|
#include "mozilla/Encoding.h"
|
|
|
|
#include "MultipartBlobImpl.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
FormData::FormData(nsISupports* aOwner)
|
|
: HTMLFormSubmission(UTF_8_ENCODING, nullptr)
|
|
, mOwner(aOwner)
|
|
{
|
|
}
|
|
|
|
namespace {
|
|
|
|
already_AddRefed<File>
|
|
GetOrCreateFileCalledBlob(Blob& aBlob, ErrorResult& aRv)
|
|
{
|
|
// If this is file, we can just use it
|
|
RefPtr<File> file = aBlob.ToFile();
|
|
if (file) {
|
|
return file.forget();
|
|
}
|
|
|
|
// Forcing 'blob' as filename
|
|
file = aBlob.ToFile(NS_LITERAL_STRING("blob"), aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
return file.forget();
|
|
}
|
|
|
|
already_AddRefed<File>
|
|
GetBlobForFormDataStorage(Blob& aBlob, const Optional<nsAString>& aFilename,
|
|
ErrorResult& aRv)
|
|
{
|
|
// Forcing a filename
|
|
if (aFilename.WasPassed()) {
|
|
RefPtr<File> file = aBlob.ToFile(aFilename.Value(), aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
return file.forget();
|
|
}
|
|
|
|
return GetOrCreateFileCalledBlob(aBlob, aRv);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
// -------------------------------------------------------------------------
|
|
// nsISupports
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(FormData)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(FormData)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
|
|
|
|
for (uint32_t i = 0, len = tmp->mFormData.Length(); i < len; ++i) {
|
|
ImplCycleCollectionUnlink(tmp->mFormData[i].value);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(FormData)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
|
|
|
|
for (uint32_t i = 0, len = tmp->mFormData.Length(); i < len; ++i) {
|
|
ImplCycleCollectionTraverse(cb, tmp->mFormData[i].value,
|
|
"mFormData[i].GetAsBlob()", 0);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(FormData)
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(FormData)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(FormData)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FormData)
|
|
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMFormData)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXHRSendable)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFormData)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
// -------------------------------------------------------------------------
|
|
// HTMLFormSubmission
|
|
nsresult
|
|
FormData::GetEncodedSubmission(nsIURI* aURI,
|
|
nsIInputStream** aPostDataStream,
|
|
int64_t* aPostDataStreamLength)
|
|
{
|
|
NS_NOTREACHED("Shouldn't call FormData::GetEncodedSubmission");
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
FormData::Append(const nsAString& aName, const nsAString& aValue,
|
|
ErrorResult& aRv)
|
|
{
|
|
AddNameValuePair(aName, aValue);
|
|
}
|
|
|
|
void
|
|
FormData::Append(const nsAString& aName, Blob& aBlob,
|
|
const Optional<nsAString>& aFilename,
|
|
ErrorResult& aRv)
|
|
{
|
|
RefPtr<File> file = GetBlobForFormDataStorage(aBlob, aFilename, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return;
|
|
}
|
|
|
|
AddNameBlobOrNullPair(aName, file);
|
|
}
|
|
|
|
void
|
|
FormData::Append(const nsAString& aName, Directory* aDirectory)
|
|
{
|
|
AddNameDirectoryPair(aName, aDirectory);
|
|
}
|
|
|
|
void
|
|
FormData::Delete(const nsAString& aName)
|
|
{
|
|
// We have to use this slightly awkward for loop since uint32_t >= 0 is an
|
|
// error for being always true.
|
|
for (uint32_t i = mFormData.Length(); i-- > 0; ) {
|
|
if (aName.Equals(mFormData[i].name)) {
|
|
mFormData.RemoveElementAt(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
FormData::Get(const nsAString& aName,
|
|
Nullable<OwningBlobOrDirectoryOrUSVString>& aOutValue)
|
|
{
|
|
for (uint32_t i = 0; i < mFormData.Length(); ++i) {
|
|
if (aName.Equals(mFormData[i].name)) {
|
|
aOutValue.SetValue() = mFormData[i].value;
|
|
return;
|
|
}
|
|
}
|
|
|
|
aOutValue.SetNull();
|
|
}
|
|
|
|
void
|
|
FormData::GetAll(const nsAString& aName,
|
|
nsTArray<OwningBlobOrDirectoryOrUSVString>& aValues)
|
|
{
|
|
for (uint32_t i = 0; i < mFormData.Length(); ++i) {
|
|
if (aName.Equals(mFormData[i].name)) {
|
|
OwningBlobOrDirectoryOrUSVString* element = aValues.AppendElement();
|
|
*element = mFormData[i].value;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
FormData::Has(const nsAString& aName)
|
|
{
|
|
for (uint32_t i = 0; i < mFormData.Length(); ++i) {
|
|
if (aName.Equals(mFormData[i].name)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
nsresult
|
|
FormData::AddNameBlobOrNullPair(const nsAString& aName, Blob* aBlob)
|
|
{
|
|
RefPtr<File> file;
|
|
|
|
if (!aBlob) {
|
|
FormDataTuple* data = mFormData.AppendElement();
|
|
SetNameValuePair(data, aName, EmptyString(), true /* aWasNullBlob */);
|
|
return NS_OK;
|
|
}
|
|
|
|
ErrorResult rv;
|
|
file = GetOrCreateFileCalledBlob(*aBlob, rv);
|
|
if (NS_WARN_IF(rv.Failed())) {
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
FormDataTuple* data = mFormData.AppendElement();
|
|
SetNameFilePair(data, aName, file);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
FormData::AddNameDirectoryPair(const nsAString& aName, Directory* aDirectory)
|
|
{
|
|
MOZ_ASSERT(aDirectory);
|
|
|
|
FormDataTuple* data = mFormData.AppendElement();
|
|
SetNameDirectoryPair(data, aName, aDirectory);
|
|
return NS_OK;
|
|
}
|
|
|
|
FormData::FormDataTuple*
|
|
FormData::RemoveAllOthersAndGetFirstFormDataTuple(const nsAString& aName)
|
|
{
|
|
FormDataTuple* lastFoundTuple = nullptr;
|
|
uint32_t lastFoundIndex = mFormData.Length();
|
|
// We have to use this slightly awkward for loop since uint32_t >= 0 is an
|
|
// error for being always true.
|
|
for (uint32_t i = mFormData.Length(); i-- > 0; ) {
|
|
if (aName.Equals(mFormData[i].name)) {
|
|
if (lastFoundTuple) {
|
|
// The one we found earlier was not the first one, we can remove it.
|
|
mFormData.RemoveElementAt(lastFoundIndex);
|
|
}
|
|
|
|
lastFoundTuple = &mFormData[i];
|
|
lastFoundIndex = i;
|
|
}
|
|
}
|
|
|
|
return lastFoundTuple;
|
|
}
|
|
|
|
void
|
|
FormData::Set(const nsAString& aName, Blob& aBlob,
|
|
const Optional<nsAString>& aFilename,
|
|
ErrorResult& aRv)
|
|
{
|
|
FormDataTuple* tuple = RemoveAllOthersAndGetFirstFormDataTuple(aName);
|
|
if (tuple) {
|
|
RefPtr<File> file = GetBlobForFormDataStorage(aBlob, aFilename, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return;
|
|
}
|
|
|
|
SetNameFilePair(tuple, aName, file);
|
|
} else {
|
|
Append(aName, aBlob, aFilename, aRv);
|
|
}
|
|
}
|
|
|
|
void
|
|
FormData::Set(const nsAString& aName, const nsAString& aValue,
|
|
ErrorResult& aRv)
|
|
{
|
|
FormDataTuple* tuple = RemoveAllOthersAndGetFirstFormDataTuple(aName);
|
|
if (tuple) {
|
|
SetNameValuePair(tuple, aName, aValue);
|
|
} else {
|
|
Append(aName, aValue, aRv);
|
|
}
|
|
}
|
|
|
|
uint32_t
|
|
FormData::GetIterableLength() const
|
|
{
|
|
return mFormData.Length();
|
|
}
|
|
|
|
const nsAString&
|
|
FormData::GetKeyAtIndex(uint32_t aIndex) const
|
|
{
|
|
MOZ_ASSERT(aIndex < mFormData.Length());
|
|
return mFormData[aIndex].name;
|
|
}
|
|
|
|
const OwningBlobOrDirectoryOrUSVString&
|
|
FormData::GetValueAtIndex(uint32_t aIndex) const
|
|
{
|
|
MOZ_ASSERT(aIndex < mFormData.Length());
|
|
return mFormData[aIndex].value;
|
|
}
|
|
|
|
void
|
|
FormData::SetNameValuePair(FormDataTuple* aData,
|
|
const nsAString& aName,
|
|
const nsAString& aValue,
|
|
bool aWasNullBlob)
|
|
{
|
|
MOZ_ASSERT(aData);
|
|
aData->name = aName;
|
|
aData->wasNullBlob = aWasNullBlob;
|
|
aData->value.SetAsUSVString() = aValue;
|
|
}
|
|
|
|
void
|
|
FormData::SetNameFilePair(FormDataTuple* aData,
|
|
const nsAString& aName,
|
|
File* aFile)
|
|
{
|
|
MOZ_ASSERT(aData);
|
|
MOZ_ASSERT(aFile);
|
|
|
|
aData->name = aName;
|
|
aData->wasNullBlob = false;
|
|
aData->value.SetAsBlob() = aFile;
|
|
}
|
|
|
|
void
|
|
FormData::SetNameDirectoryPair(FormDataTuple* aData,
|
|
const nsAString& aName,
|
|
Directory* aDirectory)
|
|
{
|
|
MOZ_ASSERT(aData);
|
|
MOZ_ASSERT(aDirectory);
|
|
|
|
aData->name = aName;
|
|
aData->wasNullBlob = false;
|
|
aData->value.SetAsDirectory() = aDirectory;
|
|
}
|
|
|
|
// -------------------------------------------------------------------------
|
|
// nsIDOMFormData
|
|
|
|
NS_IMETHODIMP
|
|
FormData::Append(const nsAString& aName, nsIVariant* aValue)
|
|
{
|
|
uint16_t dataType;
|
|
nsresult rv = aValue->GetDataType(&dataType);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (dataType == nsIDataType::VTYPE_INTERFACE ||
|
|
dataType == nsIDataType::VTYPE_INTERFACE_IS) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsID *iid;
|
|
rv = aValue->GetAsInterface(&iid, getter_AddRefs(supports));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
free(iid);
|
|
|
|
nsCOMPtr<nsIDOMBlob> domBlob = do_QueryInterface(supports);
|
|
RefPtr<Blob> blob = static_cast<Blob*>(domBlob.get());
|
|
if (domBlob) {
|
|
Optional<nsAString> temp;
|
|
ErrorResult rv;
|
|
Append(aName, *blob, temp, rv);
|
|
if (NS_WARN_IF(rv.Failed())) {
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
char16_t* stringData = nullptr;
|
|
uint32_t stringLen = 0;
|
|
rv = aValue->GetAsWStringWithSize(&stringLen, &stringData);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsString valAsString;
|
|
valAsString.Adopt(stringData, stringLen);
|
|
|
|
ErrorResult error;
|
|
Append(aName, valAsString, error);
|
|
if (NS_WARN_IF(error.Failed())) {
|
|
return error.StealNSResult();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* virtual */ JSObject*
|
|
FormData::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
|
|
{
|
|
return FormDataBinding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
/* static */ already_AddRefed<FormData>
|
|
FormData::Constructor(const GlobalObject& aGlobal,
|
|
const Optional<NonNull<HTMLFormElement> >& aFormElement,
|
|
ErrorResult& aRv)
|
|
{
|
|
RefPtr<FormData> formData = new FormData(aGlobal.GetAsSupports());
|
|
if (aFormElement.WasPassed()) {
|
|
aRv = aFormElement.Value().WalkFormElements(formData);
|
|
}
|
|
return formData.forget();
|
|
}
|
|
|
|
// -------------------------------------------------------------------------
|
|
// nsIXHRSendable
|
|
|
|
NS_IMETHODIMP
|
|
FormData::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
|
|
nsACString& aContentTypeWithCharset, nsACString& aCharset)
|
|
{
|
|
FSMultipartFormData fs(UTF_8_ENCODING, nullptr);
|
|
|
|
for (uint32_t i = 0; i < mFormData.Length(); ++i) {
|
|
if (mFormData[i].wasNullBlob) {
|
|
MOZ_ASSERT(mFormData[i].value.IsUSVString());
|
|
fs.AddNameBlobOrNullPair(mFormData[i].name, nullptr);
|
|
} else if (mFormData[i].value.IsUSVString()) {
|
|
fs.AddNameValuePair(mFormData[i].name,
|
|
mFormData[i].value.GetAsUSVString());
|
|
} else if (mFormData[i].value.IsBlob()) {
|
|
fs.AddNameBlobOrNullPair(mFormData[i].name,
|
|
mFormData[i].value.GetAsBlob());
|
|
} else {
|
|
MOZ_ASSERT(mFormData[i].value.IsDirectory());
|
|
fs.AddNameDirectoryPair(mFormData[i].name,
|
|
mFormData[i].value.GetAsDirectory());
|
|
}
|
|
}
|
|
|
|
fs.GetContentType(aContentTypeWithCharset);
|
|
aCharset.Truncate();
|
|
*aContentLength = 0;
|
|
NS_ADDREF(*aBody = fs.GetSubmissionBody(aContentLength));
|
|
|
|
return NS_OK;
|
|
}
|