зеркало из https://github.com/mozilla/gecko-dev.git
357 строки
11 KiB
C++
357 строки
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 "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, NotNull<const Encoding*> aEncoding,
|
|
Element* aSubmitter)
|
|
: HTMLFormSubmission(nullptr, u""_ns, aEncoding, aSubmitter),
|
|
mOwner(aOwner) {}
|
|
|
|
FormData::FormData(const FormData& aFormData)
|
|
: HTMLFormSubmission(aFormData.mActionURL, aFormData.mTarget,
|
|
aFormData.mEncoding, aFormData.mSubmitter) {
|
|
mOwner = aFormData.mOwner;
|
|
mFormData = aFormData.mFormData.Clone();
|
|
}
|
|
|
|
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(u"blob"_ns, 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(nsISupports)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
// -------------------------------------------------------------------------
|
|
// HTMLFormSubmission
|
|
nsresult FormData::GetEncodedSubmission(nsIURI* aURI,
|
|
nsIInputStream** aPostDataStream,
|
|
nsCOMPtr<nsIURI>& aOutURI) {
|
|
MOZ_ASSERT_UNREACHABLE("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) {
|
|
mFormData.RemoveElementsBy([&aName](const auto& formDataItem) {
|
|
return aName.Equals(formDataItem.name);
|
|
});
|
|
}
|
|
|
|
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, u""_ns, 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;
|
|
}
|
|
|
|
/* virtual */
|
|
JSObject* FormData::WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) {
|
|
return FormData_Binding::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().ConstructEntryList(formData);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Step 9. Return a shallow clone of entry list.
|
|
// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#constructing-form-data-set
|
|
if (StaticPrefs::dom_formdata_event_enabled()) {
|
|
formData = formData->Clone();
|
|
}
|
|
}
|
|
|
|
return formData.forget();
|
|
}
|
|
|
|
// contentTypeWithCharset can be set to the contentType or
|
|
// contentType+charset based on what the spec says.
|
|
// See: https://fetch.spec.whatwg.org/#concept-bodyinit-extract
|
|
nsresult FormData::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
|
|
nsACString& aContentTypeWithCharset,
|
|
nsACString& aCharset) const {
|
|
FSMultipartFormData fs(nullptr, u""_ns, UTF_8_ENCODING, nullptr);
|
|
nsresult rv = CopySubmissionDataTo(&fs);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
fs.GetContentType(aContentTypeWithCharset);
|
|
aCharset.Truncate();
|
|
*aContentLength = 0;
|
|
NS_ADDREF(*aBody = fs.GetSubmissionBody(aContentLength));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<FormData> FormData::Clone() {
|
|
RefPtr<FormData> formData = new FormData(*this);
|
|
return formData.forget();
|
|
}
|
|
|
|
nsresult FormData::CopySubmissionDataTo(
|
|
HTMLFormSubmission* aFormSubmission) const {
|
|
MOZ_ASSERT(aFormSubmission, "Must have FormSubmission!");
|
|
for (size_t i = 0; i < mFormData.Length(); ++i) {
|
|
if (mFormData[i].wasNullBlob) {
|
|
MOZ_ASSERT(mFormData[i].value.IsUSVString());
|
|
aFormSubmission->AddNameBlobOrNullPair(mFormData[i].name, nullptr);
|
|
} else if (mFormData[i].value.IsUSVString()) {
|
|
aFormSubmission->AddNameValuePair(mFormData[i].name,
|
|
mFormData[i].value.GetAsUSVString());
|
|
} else if (mFormData[i].value.IsBlob()) {
|
|
aFormSubmission->AddNameBlobOrNullPair(mFormData[i].name,
|
|
mFormData[i].value.GetAsBlob());
|
|
} else {
|
|
MOZ_ASSERT(mFormData[i].value.IsDirectory());
|
|
aFormSubmission->AddNameDirectoryPair(
|
|
mFormData[i].name, mFormData[i].value.GetAsDirectory());
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|