gecko-dev/dom/base/URL.cpp

542 lines
13 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 "nsGlobalWindow.h"
#include "DOMMediaStream.h"
#include "mozilla/dom/File.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 "nsNetUtil.h"
#include "nsIURL.h"
#include "nsContentUtils.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
URL::URL(nsISupports* aParent, already_AddRefed<nsIURI> aURI)
: mParent(aParent)
, mURI(aURI)
{
}
JSObject*
URL::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return URLBinding::Wrap(aCx, this, aGivenProto);
}
/* static */ already_AddRefed<URL>
URL::Constructor(const GlobalObject& aGlobal, const nsAString& aUrl,
URL& aBase, ErrorResult& aRv)
{
return Constructor(aGlobal.GetAsSupports(), aUrl, aBase.GetURI(), aRv);
}
/* 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(const GlobalObject& aGlobal, const nsAString& aUrl,
const nsAString& aBase, ErrorResult& aRv)
{
return Constructor(aGlobal.GetAsSupports(), aUrl, aBase, 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, nullptr, nullptr,
nsContentUtils::GetIOService());
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,
nsContentUtils::GetIOService());
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.ThrowTypeError<MSG_INVALID_URL>(aUrl);
return nullptr;
}
RefPtr<URL> url = new URL(aParent, uri.forget());
return url.forget();
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal,
Blob& aBlob,
const objectURLOptions& aOptions,
nsAString& aResult,
ErrorResult& aError)
{
CreateObjectURLInternal(aGlobal, aBlob.Impl(),
NS_LITERAL_CSTRING(BLOBURI_SCHEME), aOptions, aResult,
aError);
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal, DOMMediaStream& aStream,
const mozilla::dom::objectURLOptions& aOptions,
nsAString& 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,
nsAString& aResult,
ErrorResult& aError)
{
nsCOMPtr<nsIPrincipal> principal = nsContentUtils::ObjectPrincipal(aGlobal.Get());
nsCString url;
nsresult rv = nsHostObjectProtocolHandler::
AddDataEntry(NS_LITERAL_CSTRING(MEDIASOURCEURI_SCHEME),
&aSource, principal, url);
if (NS_FAILED(rv)) {
aError.Throw(rv);
return;
}
nsCOMPtr<nsIRunnable> revocation = NS_NewRunnableFunction(
[url] {
nsHostObjectProtocolHandler::RemoveDataEntry(url);
});
nsContentUtils::RunInStableState(revocation.forget());
CopyASCIItoUTF16(url, aResult);
}
void
URL::CreateObjectURLInternal(const GlobalObject& aGlobal, nsISupports* aObject,
const nsACString& aScheme,
const objectURLOptions& aOptions,
nsAString& aResult, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsCOMPtr<nsIPrincipal> principal = nsContentUtils::ObjectPrincipal(aGlobal.Get());
nsAutoCString url;
nsresult rv = nsHostObjectProtocolHandler::AddDataEntry(aScheme, aObject,
principal, url);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
global->RegisterHostObjectURI(url);
CopyASCIItoUTF16(url, aResult);
}
void
URL::RevokeObjectURL(const GlobalObject& aGlobal, const nsAString& aURL,
ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsIPrincipal* principal = nsContentUtils::ObjectPrincipal(aGlobal.Get());
NS_LossyConvertUTF16toASCII asciiurl(aURL);
nsIPrincipal* urlPrincipal =
nsHostObjectProtocolHandler::GetDataEntryPrincipal(asciiurl);
if (urlPrincipal && principal->Subsumes(urlPrincipal)) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
global->UnregisterHostObjectURI(asciiurl);
nsHostObjectProtocolHandler::RemoveDataEntry(asciiurl);
}
}
void
URL::GetHref(nsAString& 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)
{
NS_ConvertUTF16toUTF8 href(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)) {
aRv.ThrowTypeError<MSG_INVALID_URL>(aHref);
return;
}
mURI = uri;
UpdateURLSearchParams();
}
void
URL::GetOrigin(nsAString& aOrigin) const
{
nsContentUtils::GetUTFOrigin(mURI, aOrigin);
}
void
URL::GetProtocol(nsAString& aProtocol) const
{
nsAutoCString 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);
// 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 = mURI->Clone(getter_AddRefs(clone));
if (NS_WARN_IF(NS_FAILED(rv)) || !clone) {
return;
}
rv = clone->SetScheme(NS_ConvertUTF16toUTF8(Substring(start, iter)));
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 = uri;
}
#define URL_GETTER( value, func ) \
value.Truncate(); \
nsAutoCString tmp; \
nsresult rv = mURI->func(tmp); \
if (NS_SUCCEEDED(rv)) { \
CopyUTF8toUTF16(tmp, value); \
}
void
URL::GetUsername(nsAString& aUsername) const
{
URL_GETTER(aUsername, GetUsername);
}
void
URL::SetUsername(const nsAString& aUsername)
{
mURI->SetUsername(NS_ConvertUTF16toUTF8(aUsername));
}
void
URL::GetPassword(nsAString& aPassword) const
{
URL_GETTER(aPassword, GetPassword);
}
void
URL::SetPassword(const nsAString& aPassword)
{
mURI->SetPassword(NS_ConvertUTF16toUTF8(aPassword));
}
void
URL::GetHost(nsAString& aHost) const
{
URL_GETTER(aHost, GetHostPort);
}
void
URL::SetHost(const nsAString& aHost)
{
mURI->SetHostPort(NS_ConvertUTF16toUTF8(aHost));
}
void
URL::URLSearchParamsUpdated(URLSearchParams* aSearchParams)
{
MOZ_ASSERT(mSearchParams);
MOZ_ASSERT(mSearchParams == aSearchParams);
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);
}
void
URL::GetHostname(nsAString& aHostname) const
{
aHostname.Truncate();
nsContentUtils::GetHostOrIPv6WithBrackets(mURI, aHostname);
}
void
URL::SetHostname(const nsAString& aHostname)
{
// nsStandardURL returns NS_ERROR_UNEXPECTED for an empty hostname
// The return code is silently ignored
mURI->SetHost(NS_ConvertUTF16toUTF8(aHostname));
}
void
URL::GetPort(nsAString& 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(nsAString& aPathname) const
{
aPathname.Truncate();
nsCOMPtr<nsIURL> url(do_QueryInterface(mURI));
if (!url) {
nsAutoCString path;
nsresult rv = mURI->GetPath(path);
if (NS_FAILED(rv)){
// Do not throw! Not having a valid URI or URL should result in an empty
// string.
return;
}
CopyUTF8toUTF16(path, aPathname);
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(nsAString& 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::GetHash(nsAString& aHash) const
{
aHash.Truncate();
nsAutoCString ref;
nsresult rv = mURI->GetRef(ref);
if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
aHash.Assign(char16_t('#'));
if (nsContentUtils::GettersDecodeURLHash()) {
NS_UnescapeURL(ref); // XXX may result in random non-ASCII bytes!
}
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(mParent, this);
UpdateURLSearchParams();
}
}
} // namespace dom
} // namespace mozilla