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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 "mozilla/dom/URLSearchParams.h"
// XXX encoding_rs.h is not self-contained, this order is required
#include "mozilla/Encoding.h"
#include "encoding_rs.h"
#include <new>
#include <type_traits>
#include <utility>
#include "js/StructuredClone.h"
#include "mozilla/ArrayIterator.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/MacroForEach.h"
#include "mozilla/NotNull.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Record.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/URLSearchParamsBinding.h"
#include "mozilla/fallible.h"
#include "nsDOMString.h"
#include "nsError.h"
#include "nsIGlobalObject.h"
#include "nsLiteralString.h"
#include "nsPrintfCString.h"
#include "nsString.h"
#include "nsStringFlags.h"
#include "nsStringIterator.h"
#include "nsStringStream.h"
#include "nsURLHelper.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(URLSearchParams, mParent, mObserver)
NS_IMPL_CYCLE_COLLECTING_ADDREF(URLSearchParams)
NS_IMPL_CYCLE_COLLECTING_RELEASE(URLSearchParams)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(URLSearchParams)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
URLSearchParams::URLSearchParams(nsISupports* aParent,
URLSearchParamsObserver* aObserver)
: mParams(new URLParams()), mParent(aParent), mObserver(aObserver) {}
URLSearchParams::~URLSearchParams() { DeleteAll(); }
JSObject* URLSearchParams::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return URLSearchParams_Binding::Wrap(aCx, this, aGivenProto);
}
/* static */
already_AddRefed<URLSearchParams> URLSearchParams::Constructor(
const GlobalObject& aGlobal,
const USVStringSequenceSequenceOrUSVStringUSVStringRecordOrUSVString& aInit,
ErrorResult& aRv) {
RefPtr<URLSearchParams> sp =
new URLSearchParams(aGlobal.GetAsSupports(), nullptr);
if (aInit.IsUSVString()) {
NS_ConvertUTF16toUTF8 input(aInit.GetAsUSVString());
if (StringBeginsWith(input, "?"_ns)) {
sp->ParseInput(Substring(input, 1, input.Length() - 1));
} else {
sp->ParseInput(input);
}
} else if (aInit.IsUSVStringSequenceSequence()) {
const Sequence<Sequence<nsString>>& list =
aInit.GetAsUSVStringSequenceSequence();
for (uint32_t i = 0; i < list.Length(); ++i) {
const Sequence<nsString>& item = list[i];
if (item.Length() != 2) {
nsPrintfCString err("Expected 2 items in pair but got %zu",
item.Length());
aRv.ThrowTypeError(err);
return nullptr;
}
sp->Append(item[0], item[1]);
}
} else if (aInit.IsUSVStringUSVStringRecord()) {
const Record<nsString, nsString>& record =
aInit.GetAsUSVStringUSVStringRecord();
for (auto& entry : record.Entries()) {
sp->Append(entry.mKey, entry.mValue);
}
} else {
MOZ_CRASH("This should not happen.");
}
return sp.forget();
}
void URLSearchParams::ParseInput(const nsACString& aInput) {
mParams->ParseInput(aInput);
}
void URLSearchParams::Get(const nsAString& aName, nsString& aRetval) {
return mParams->Get(aName, aRetval);
}
void URLSearchParams::GetAll(const nsAString& aName,
nsTArray<nsString>& aRetval) {
return mParams->GetAll(aName, aRetval);
}
void URLSearchParams::Set(const nsAString& aName, const nsAString& aValue) {
mParams->Set(aName, aValue);
NotifyObserver();
}
void URLSearchParams::Append(const nsAString& aName, const nsAString& aValue) {
mParams->Append(aName, aValue);
NotifyObserver();
}
bool URLSearchParams::Has(const nsAString& aName) {
return mParams->Has(aName);
}
void URLSearchParams::Delete(const nsAString& aName) {
mParams->Delete(aName);
NotifyObserver();
}
void URLSearchParams::DeleteAll() { mParams->DeleteAll(); }
void URLSearchParams::Serialize(nsAString& aValue) const {
mParams->Serialize(aValue);
}
void URLSearchParams::NotifyObserver() {
if (mObserver) {
mObserver->URLSearchParamsUpdated(this);
}
}
uint32_t URLSearchParams::GetIterableLength() const {
return mParams->Length();
}
const nsAString& URLSearchParams::GetKeyAtIndex(uint32_t aIndex) const {
return mParams->GetKeyAtIndex(aIndex);
}
const nsAString& URLSearchParams::GetValueAtIndex(uint32_t aIndex) const {
return mParams->GetValueAtIndex(aIndex);
}
void URLSearchParams::Sort(ErrorResult& aRv) {
mParams->Sort();
NotifyObserver();
}
bool URLSearchParams::WriteStructuredClone(
JSStructuredCloneWriter* aWriter) const {
const uint32_t& nParams = mParams->Length();
if (!JS_WriteUint32Pair(aWriter, nParams, 0)) {
return false;
}
for (uint32_t i = 0; i < nParams; ++i) {
if (!StructuredCloneHolder::WriteString(aWriter,
mParams->GetKeyAtIndex(i)) ||
!StructuredCloneHolder::WriteString(aWriter,
mParams->GetValueAtIndex(i))) {
return false;
}
}
return true;
}
bool URLSearchParams::ReadStructuredClone(JSStructuredCloneReader* aReader) {
MOZ_ASSERT(aReader);
DeleteAll();
uint32_t nParams, zero;
nsAutoString key, value;
if (!JS_ReadUint32Pair(aReader, &nParams, &zero)) {
return false;
}
MOZ_ASSERT(zero == 0);
for (uint32_t i = 0; i < nParams; ++i) {
if (!StructuredCloneHolder::ReadString(aReader, key) ||
!StructuredCloneHolder::ReadString(aReader, value)) {
return false;
}
Append(key, value);
}
return true;
}
bool URLSearchParams::WriteStructuredClone(
JSContext* aCx, JSStructuredCloneWriter* aWriter) const {
return WriteStructuredClone(aWriter);
}
// static
already_AddRefed<URLSearchParams> URLSearchParams::ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader) {
RefPtr<URLSearchParams> params = new URLSearchParams(aGlobal);
if (!params->ReadStructuredClone(aReader)) {
return nullptr;
}
return params.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 URLSearchParams::GetSendInfo(nsIInputStream** aBody,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const {
aContentTypeWithCharset.AssignLiteral(
"application/x-www-form-urlencoded;charset=UTF-8");
aCharset.AssignLiteral("UTF-8");
nsAutoString serialized;
Serialize(serialized);
NS_ConvertUTF16toUTF8 converted(serialized);
*aContentLength = converted.Length();
return NS_NewCStringInputStream(aBody, std::move(converted));
}
} // namespace dom
} // namespace mozilla
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