gecko-dev/dom/base/URL.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsGlobalWindow.h"
#include "nsIDOMFile.h"
#include "DOMMediaStream.h"
#include "mozilla/dom/MediaSource.h"
#include "mozilla/dom/URLBinding.h"
#include "nsHostObjectProtocolHandler.h"
#include "nsServiceManagerUtils.h"
#include "nsIIOService.h"
#include "nsEscape.h"
#include "nsNetCID.h"
#include "nsIURL.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(URL)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(URL)
if (tmp->mSearchParams) {
tmp->mSearchParams->RemoveObserver(tmp);
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSearchParams)
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(URL)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSearchParams)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(URL)
NS_IMPL_CYCLE_COLLECTING_RELEASE(URL)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(URL)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
URL::URL(nsIURI* aURI)
: mURI(aURI)
{
}
JSObject*
URL::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
{
return URLBinding::Wrap(aCx, aScope, this);
}
/* static */ already_AddRefed<URL>
URL::Constructor(const GlobalObject& aGlobal, const nsAString& aUrl,
URL& aBase, ErrorResult& aRv)
{
nsresult rv;
nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
nsCOMPtr<nsIURI> uri;
rv = ioService->NewURI(NS_ConvertUTF16toUTF8(aUrl), nullptr, aBase.GetURI(),
getter_AddRefs(uri));
if (NS_FAILED(rv)) {
nsAutoString label(aUrl);
aRv.ThrowTypeError(MSG_INVALID_URL, &label);
return nullptr;
}
nsRefPtr<URL> url = new URL(uri);
return url.forget();
}
/* static */ already_AddRefed<URL>
URL::Constructor(const GlobalObject& aGlobal, const nsAString& aUrl,
const nsAString& aBase, ErrorResult& aRv)
{
nsresult rv;
nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
nsCOMPtr<nsIURI> baseUri;
rv = ioService->NewURI(NS_ConvertUTF16toUTF8(aBase), nullptr, nullptr,
getter_AddRefs(baseUri));
if (NS_FAILED(rv)) {
nsAutoString label(aBase);
aRv.ThrowTypeError(MSG_INVALID_URL, &label);
return nullptr;
}
nsCOMPtr<nsIURI> uri;
rv = ioService->NewURI(NS_ConvertUTF16toUTF8(aUrl), nullptr, baseUri,
getter_AddRefs(uri));
if (NS_FAILED(rv)) {
nsAutoString label(aUrl);
aRv.ThrowTypeError(MSG_INVALID_URL, &label);
return nullptr;
}
nsRefPtr<URL> url = new URL(uri);
return url.forget();
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal,
nsIDOMBlob* aBlob,
const objectURLOptions& aOptions,
nsString& aResult,
ErrorResult& aError)
{
CreateObjectURLInternal(aGlobal, aBlob,
NS_LITERAL_CSTRING(BLOBURI_SCHEME), aOptions, aResult,
aError);
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal, DOMMediaStream& aStream,
const mozilla::dom::objectURLOptions& aOptions,
nsString& aResult,
ErrorResult& aError)
{
CreateObjectURLInternal(aGlobal, &aStream,
NS_LITERAL_CSTRING(MEDIASTREAMURI_SCHEME), aOptions,
aResult, aError);
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal, MediaSource& aSource,
const objectURLOptions& aOptions,
nsString& aResult,
ErrorResult& aError)
{
CreateObjectURLInternal(aGlobal, &aSource,
NS_LITERAL_CSTRING(MEDIASOURCEURI_SCHEME), aOptions,
aResult, aError);
}
void
URL::CreateObjectURLInternal(const GlobalObject& aGlobal, nsISupports* aObject,
const nsACString& aScheme,
const objectURLOptions& aOptions,
nsString& aResult, ErrorResult& aError)
{
nsCOMPtr<nsIPrincipal> principal = nsContentUtils::GetObjectPrincipal(aGlobal.Get());
nsCString url;
nsresult rv = nsHostObjectProtocolHandler::AddDataEntry(aScheme, aObject,
principal, url);
if (NS_FAILED(rv)) {
aError.Throw(rv);
return;
}
nsCOMPtr<nsPIDOMWindow> w = do_QueryInterface(aGlobal.GetAsSupports());
nsGlobalWindow* window = static_cast<nsGlobalWindow*>(w.get());
if (window) {
NS_PRECONDITION(window->IsInnerWindow(), "Should be inner window");
if (!window->GetExtantDoc()) {
aError.Throw(NS_ERROR_INVALID_POINTER);
return;
}
nsIDocument* doc = window->GetExtantDoc();
if (doc) {
doc->RegisterHostObjectUri(url);
}
}
CopyASCIItoUTF16(url, aResult);
}
void
URL::RevokeObjectURL(const GlobalObject& aGlobal, const nsAString& aURL)
{
nsIPrincipal* principal = nsContentUtils::GetObjectPrincipal(aGlobal.Get());
NS_LossyConvertUTF16toASCII asciiurl(aURL);
nsIPrincipal* urlPrincipal =
nsHostObjectProtocolHandler::GetDataEntryPrincipal(asciiurl);
if (urlPrincipal && principal->Subsumes(urlPrincipal)) {
nsCOMPtr<nsPIDOMWindow> w = do_QueryInterface(aGlobal.GetAsSupports());
nsGlobalWindow* window = static_cast<nsGlobalWindow*>(w.get());
if (window && window->GetExtantDoc()) {
window->GetExtantDoc()->UnregisterHostObjectUri(asciiurl);
}
nsHostObjectProtocolHandler::RemoveDataEntry(asciiurl);
}
}
void
URL::GetHref(nsString& aHref) const
{
aHref.Truncate();
nsAutoCString href;
nsresult rv = mURI->GetSpec(href);
if (NS_SUCCEEDED(rv)) {
CopyUTF8toUTF16(href, aHref);
}
}
void
URL::SetHref(const nsAString& aHref, ErrorResult& aRv)
{
nsCString href = NS_ConvertUTF16toUTF8(aHref);
nsresult rv;
nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
nsCOMPtr<nsIURI> uri;
rv = ioService->NewURI(href, nullptr, nullptr, getter_AddRefs(uri));
if (NS_FAILED(rv)) {
nsAutoString label(aHref);
aRv.ThrowTypeError(MSG_INVALID_URL, &label);
return;
}
aRv = mURI->SetSpec(href);
UpdateURLSearchParams();
}
void
URL::GetOrigin(nsString& aOrigin) const
{
nsContentUtils::GetUTFNonNullOrigin(mURI, aOrigin);
}
void
URL::GetProtocol(nsString& aProtocol) const
{
nsCString protocol;
if (NS_SUCCEEDED(mURI->GetScheme(protocol))) {
aProtocol.Truncate();
}
CopyASCIItoUTF16(protocol, aProtocol);
aProtocol.Append(char16_t(':'));
}
void
URL::SetProtocol(const nsAString& aProtocol)
{
nsAString::const_iterator start, end;
aProtocol.BeginReading(start);
aProtocol.EndReading(end);
nsAString::const_iterator iter(start);
FindCharInReadable(':', iter, end);
mURI->SetScheme(NS_ConvertUTF16toUTF8(Substring(start, iter)));
}
#define URL_GETTER( value, func ) \
value.Truncate(); \
nsAutoCString tmp; \
nsresult rv = mURI->func(tmp); \
if (NS_SUCCEEDED(rv)) { \
CopyUTF8toUTF16(tmp, value); \
}
void
URL::GetUsername(nsString& aUsername) const
{
URL_GETTER(aUsername, GetUsername);
}
void
URL::SetUsername(const nsAString& aUsername)
{
mURI->SetUsername(NS_ConvertUTF16toUTF8(aUsername));
}
void
URL::GetPassword(nsString& aPassword) const
{
URL_GETTER(aPassword, GetPassword);
}
void
URL::SetPassword(const nsAString& aPassword)
{
mURI->SetPassword(NS_ConvertUTF16toUTF8(aPassword));
}
void
URL::GetHost(nsString& aHost) const
{
URL_GETTER(aHost, GetHostPort);
}
void
URL::SetHost(const nsAString& aHost)
{
mURI->SetHostPort(NS_ConvertUTF16toUTF8(aHost));
}
void
URL::URLSearchParamsUpdated()
{
MOZ_ASSERT(mSearchParams);
nsAutoString search;
mSearchParams->Serialize(search);
SetSearchInternal(search);
}
void
URL::UpdateURLSearchParams()
{
if (!mSearchParams) {
return;
}
nsAutoCString search;
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (url) {
nsresult rv = url->GetQuery(search);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to get the query from a nsIURL.");
}
}
mSearchParams->ParseInput(search, this);
}
void
URL::GetHostname(nsString& aHostname) const
{
URL_GETTER(aHostname, GetHost);
}
void
URL::SetHostname(const nsAString& aHostname)
{
mURI->SetHost(NS_ConvertUTF16toUTF8(aHostname));
}
void
URL::GetPort(nsString& aPort) const
{
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;
}
}
mURI->SetPort(port);
}
void
URL::GetPathname(nsString& aPathname) const
{
aPathname.Truncate();
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (!url) {
// Do not throw! Not having a valid URI or URL should result in an empty
// string.
return;
}
nsAutoCString file;
nsresult rv = url->GetFilePath(file);
if (NS_SUCCEEDED(rv)) {
CopyUTF8toUTF16(file, aPathname);
}
}
void
URL::SetPathname(const nsAString& aPathname)
{
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (!url) {
// Ignore failures to be compatible with NS4.
return;
}
url->SetFilePath(NS_ConvertUTF16toUTF8(aPathname));
}
void
URL::GetSearch(nsString& aSearch) const
{
aSearch.Truncate();
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (!url) {
// Do not throw! Not having a valid URI or URL should result in an empty
// string.
return;
}
nsAutoCString search;
nsresult rv = url->GetQuery(search);
if (NS_SUCCEEDED(rv) && !search.IsEmpty()) {
CopyUTF8toUTF16(NS_LITERAL_CSTRING("?") + search, aSearch);
}
}
void
URL::SetSearch(const nsAString& aSearch)
{
SetSearchInternal(aSearch);
UpdateURLSearchParams();
}
void
URL::SetSearchInternal(const nsAString& aSearch)
{
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (!url) {
// Ignore failures to be compatible with NS4.
return;
}
url->SetQuery(NS_ConvertUTF16toUTF8(aSearch));
}
URLSearchParams*
URL::SearchParams()
{
CreateSearchParamsIfNeeded();
return mSearchParams;
}
void
URL::SetSearchParams(URLSearchParams& aSearchParams)
{
if (mSearchParams) {
mSearchParams->RemoveObserver(this);
}
// the observer will be cleared using the cycle collector.
mSearchParams = &aSearchParams;
mSearchParams->AddObserver(this);
nsAutoString search;
mSearchParams->Serialize(search);
SetSearchInternal(search);
}
void
URL::GetHash(nsString& aHash) const
{
aHash.Truncate();
nsAutoCString ref;
nsresult rv = mURI->GetRef(ref);
if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
NS_UnescapeURL(ref); // XXX may result in random non-ASCII bytes!
aHash.Assign(char16_t('#'));
AppendUTF8toUTF16(ref, aHash);
}
}
void
URL::SetHash(const nsAString& aHash)
{
mURI->SetRef(NS_ConvertUTF16toUTF8(aHash));
}
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();
mSearchParams->AddObserver(this);
UpdateURLSearchParams();
}
}
}
}