gecko-dev/dom/url/URL.cpp

397 строки
10 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 "URL.h"
#include "URLMainThread.h"
#include "URLWorker.h"
#include "MainThreadUtils.h"
#include "mozilla/dom/URLBinding.h"
#include "mozilla/dom/BindingUtils.h"
#include "nsContentUtils.h"
#include "mozilla/dom/Document.h"
#include "nsIURIMutator.h"
#include "nsNetUtil.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(URL, mParent, mSearchParams)
NS_IMPL_CYCLE_COLLECTING_ADDREF(URL)
NS_IMPL_CYCLE_COLLECTING_RELEASE(URL)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(URL)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject* URL::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return URL_Binding::Wrap(aCx, this, aGivenProto);
}
/* static */
already_AddRefed<URL> URL::Constructor(const GlobalObject& aGlobal,
const nsAString& aURL,
const Optional<nsAString>& aBase,
ErrorResult& aRv) {
if (aBase.WasPassed()) {
return Constructor(aGlobal.GetAsSupports(), aURL, aBase.Value(), aRv);
}
return Constructor(aGlobal.GetAsSupports(), aURL, nullptr, aRv);
}
/* static */
already_AddRefed<URL> URL::Constructor(nsISupports* aParent,
const nsAString& aURL,
const nsAString& aBase,
ErrorResult& aRv) {
nsCOMPtr<nsIURI> baseUri;
nsresult rv = NS_NewURI(getter_AddRefs(baseUri), aBase);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.ThrowTypeError<MSG_INVALID_URL>(aBase);
return nullptr;
}
return Constructor(aParent, aURL, baseUri, aRv);
}
/* static */
already_AddRefed<URL> URL::Constructor(nsISupports* aParent,
const nsAString& aURL, nsIURI* aBase,
ErrorResult& aRv) {
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, nullptr, aBase);
if (NS_FAILED(rv)) {
// No need to warn in this case. It's common to use the URL constructor
// to determine if a URL is valid and an exception will be propagated.
aRv.ThrowTypeError<MSG_INVALID_URL>(aURL);
return nullptr;
}
RefPtr<URL> url = new URL(aParent);
url->SetURI(uri.forget());
return url.forget();
}
void URL::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
nsAString& aResult, ErrorResult& aRv) {
if (NS_IsMainThread()) {
URLMainThread::CreateObjectURL(aGlobal, aBlob, aResult, aRv);
} else {
URLWorker::CreateObjectURL(aGlobal, aBlob, aResult, aRv);
}
}
void URL::CreateObjectURL(const GlobalObject& aGlobal, MediaSource& aSource,
nsAString& aResult, ErrorResult& aRv) {
MOZ_ASSERT(NS_IsMainThread());
URLMainThread::CreateObjectURL(aGlobal, aSource, aResult, aRv);
}
void URL::RevokeObjectURL(const GlobalObject& aGlobal, const nsAString& aURL,
ErrorResult& aRv) {
if (NS_IsMainThread()) {
URLMainThread::RevokeObjectURL(aGlobal, aURL, aRv);
} else {
URLWorker::RevokeObjectURL(aGlobal, aURL, aRv);
}
}
bool URL::IsValidURL(const GlobalObject& aGlobal, const nsAString& aURL,
ErrorResult& aRv) {
if (NS_IsMainThread()) {
return URLMainThread::IsValidURL(aGlobal, aURL, aRv);
}
return URLWorker::IsValidURL(aGlobal, aURL, aRv);
}
URLSearchParams* URL::SearchParams() {
CreateSearchParamsIfNeeded();
return mSearchParams;
}
bool IsChromeURI(nsIURI* aURI) {
bool isChrome = false;
if (NS_SUCCEEDED(aURI->SchemeIs("chrome", &isChrome))) return isChrome;
return false;
}
void URL::CreateSearchParamsIfNeeded() {
if (!mSearchParams) {
mSearchParams = new URLSearchParams(mParent, this);
UpdateURLSearchParams();
}
}
void URL::SetSearch(const nsAString& aSearch) {
SetSearchInternal(aSearch);
UpdateURLSearchParams();
}
void URL::URLSearchParamsUpdated(URLSearchParams* aSearchParams) {
MOZ_ASSERT(mSearchParams);
MOZ_ASSERT(mSearchParams == aSearchParams);
nsAutoString search;
mSearchParams->Serialize(search);
SetSearchInternal(search);
}
#define URL_GETTER(value, func) \
MOZ_ASSERT(mURI); \
value.Truncate(); \
nsAutoCString tmp; \
nsresult rv = mURI->func(tmp); \
if (NS_SUCCEEDED(rv)) { \
CopyUTF8toUTF16(tmp, value); \
}
void URL::GetHref(nsAString& aHref) const { URL_GETTER(aHref, GetSpec); }
void URL::SetHref(const nsAString& aHref, ErrorResult& aRv) {
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aHref);
if (NS_FAILED(rv)) {
aRv.ThrowTypeError<MSG_INVALID_URL>(aHref);
return;
}
mURI = std::move(uri);
UpdateURLSearchParams();
}
void URL::GetOrigin(nsAString& aOrigin, ErrorResult& aRv) const {
nsresult rv = nsContentUtils::GetUTFOrigin(GetURI(), aOrigin);
if (NS_WARN_IF(NS_FAILED(rv))) {
aOrigin.Truncate();
}
}
void URL::GetProtocol(nsAString& aProtocol) const {
URL_GETTER(aProtocol, GetScheme);
aProtocol.Append(char16_t(':'));
}
void URL::SetProtocol(const nsAString& aProtocol, ErrorResult& aRv) {
nsAString::const_iterator start;
aProtocol.BeginReading(start);
nsAString::const_iterator end;
aProtocol.EndReading(end);
nsAString::const_iterator iter(start);
FindCharInReadable(':', iter, end);
// Changing the protocol of a URL, changes the "nature" of the URI
// implementation. In order to do this properly, we have to serialize the
// existing URL and reparse it in a new object.
nsCOMPtr<nsIURI> clone;
nsresult rv = NS_MutateURI(GetURI())
.SetScheme(NS_ConvertUTF16toUTF8(Substring(start, iter)))
.Finalize(clone);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
nsAutoCString href;
rv = clone->GetSpec(href);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), href);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
mURI = std::move(uri);
}
void URL::GetUsername(nsAString& aUsername) const {
URL_GETTER(aUsername, GetUsername);
}
void URL::SetUsername(const nsAString& aUsername) {
MOZ_ASSERT(mURI);
Unused << NS_MutateURI(mURI)
.SetUsername(NS_ConvertUTF16toUTF8(aUsername))
.Finalize(mURI);
}
void URL::GetPassword(nsAString& aPassword) const {
URL_GETTER(aPassword, GetPassword);
}
void URL::SetPassword(const nsAString& aPassword) {
MOZ_ASSERT(mURI);
Unused << NS_MutateURI(mURI)
.SetPassword(NS_ConvertUTF16toUTF8(aPassword))
.Finalize(mURI);
}
void URL::GetHost(nsAString& aHost) const { URL_GETTER(aHost, GetHostPort); }
void URL::SetHost(const nsAString& aHost) {
MOZ_ASSERT(mURI);
Unused << NS_MutateURI(mURI)
.SetHostPort(NS_ConvertUTF16toUTF8(aHost))
.Finalize(mURI);
}
void URL::GetHostname(nsAString& aHostname) const {
MOZ_ASSERT(mURI);
aHostname.Truncate();
nsContentUtils::GetHostOrIPv6WithBrackets(mURI, aHostname);
}
void URL::SetHostname(const nsAString& aHostname) {
MOZ_ASSERT(mURI);
// nsStandardURL returns NS_ERROR_UNEXPECTED for an empty hostname
// The return code is silently ignored
mozilla::Unused << NS_MutateURI(mURI)
.SetHost(NS_ConvertUTF16toUTF8(aHostname))
.Finalize(mURI);
}
void URL::GetPort(nsAString& aPort) const {
MOZ_ASSERT(mURI);
aPort.Truncate();
int32_t port;
nsresult rv = mURI->GetPort(&port);
if (NS_SUCCEEDED(rv) && port != -1) {
nsAutoString portStr;
portStr.AppendInt(port, 10);
aPort.Assign(portStr);
}
}
void URL::SetPort(const nsAString& aPort) {
nsresult rv;
nsAutoString portStr(aPort);
int32_t port = -1;
// nsIURI uses -1 as default value.
if (!portStr.IsEmpty()) {
port = portStr.ToInteger(&rv);
if (NS_FAILED(rv)) {
return;
}
}
Unused << NS_MutateURI(mURI).SetPort(port).Finalize(mURI);
}
void URL::GetPathname(nsAString& aPathname) const {
MOZ_ASSERT(mURI);
aPathname.Truncate();
// Do not throw! Not having a valid URI or URL should result in an empty
// string.
nsAutoCString file;
nsresult rv = mURI->GetFilePath(file);
if (NS_SUCCEEDED(rv)) {
CopyUTF8toUTF16(file, aPathname);
}
}
void URL::SetPathname(const nsAString& aPathname) {
MOZ_ASSERT(mURI);
// Do not throw!
Unused << NS_MutateURI(mURI)
.SetFilePath(NS_ConvertUTF16toUTF8(aPathname))
.Finalize(mURI);
}
void URL::GetSearch(nsAString& aSearch) const {
MOZ_ASSERT(mURI);
aSearch.Truncate();
// Do not throw! Not having a valid URI or URL should result in an empty
// string.
nsAutoCString search;
nsresult rv;
rv = mURI->GetQuery(search);
if (NS_SUCCEEDED(rv) && !search.IsEmpty()) {
aSearch.Assign(u'?');
AppendUTF8toUTF16(search, aSearch);
}
}
void URL::GetHash(nsAString& aHash) const {
MOZ_ASSERT(mURI);
aHash.Truncate();
nsAutoCString ref;
nsresult rv = mURI->GetRef(ref);
if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
aHash.Assign(char16_t('#'));
AppendUTF8toUTF16(ref, aHash);
}
}
void URL::SetHash(const nsAString& aHash) {
MOZ_ASSERT(mURI);
Unused
<< NS_MutateURI(mURI).SetRef(NS_ConvertUTF16toUTF8(aHash)).Finalize(mURI);
}
void URL::SetSearchInternal(const nsAString& aSearch) {
MOZ_ASSERT(mURI);
// Ignore failures to be compatible with NS4.
Unused << NS_MutateURI(mURI)
.SetQuery(NS_ConvertUTF16toUTF8(aSearch))
.Finalize(mURI);
}
void URL::UpdateURLSearchParams() {
if (!mSearchParams) {
return;
}
nsAutoCString search;
nsresult rv = GetURI()->GetQuery(search);
if (NS_WARN_IF(NS_FAILED(rv))) {
search.Truncate();
}
mSearchParams->ParseInput(search);
}
void URL::SetURI(already_AddRefed<nsIURI> aURI) {
mURI = std::move(aURI);
MOZ_ASSERT(mURI);
}
nsIURI* URL::GetURI() const {
MOZ_ASSERT(mURI);
return mURI;
}
} // namespace dom
} // namespace mozilla