gecko-dev/dom/url/URLMainThread.cpp
Valentin Gosu ed218f0a19 Bug 1433958 - Change code that sets nsIURI.scheme to use nsIURIMutator r=mayhemer
MozReview-Commit-ID: GgyIkZSG2y3

--HG--
extra : rebase_source : 5398a29d8cb910c909ed88e1a6cbd9fd63e6b745
2018-02-26 20:43:47 +01:00

474 lines
12 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 "URLMainThread.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/Unused.h"
#include "nsContentUtils.h"
#include "nsHostObjectProtocolHandler.h"
#include "nsIURL.h"
#include "nsIURIMutator.h"
#include "nsNetUtil.h"
namespace mozilla {
namespace dom {
namespace {
template<typename T>
void
CreateObjectURLInternal(const GlobalObject& aGlobal, T aObject,
nsAString& aResult, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsCOMPtr<nsIPrincipal> principal =
nsContentUtils::ObjectPrincipal(aGlobal.Get());
nsAutoCString url;
aRv = nsHostObjectProtocolHandler::AddDataEntry(aObject, principal, url);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
global->RegisterHostObjectURI(url);
CopyASCIItoUTF16(url, aResult);
}
} // anonymous namespace
/* static */ already_AddRefed<URLMainThread>
URLMainThread::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<URLMainThread>
URLMainThread::Constructor(nsISupports* aParent, const nsAString& aURL,
const nsAString& aBase, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
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<URLMainThread>
URLMainThread::Constructor(nsISupports* aParent, const nsAString& aURL,
nsIURI* aBase, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, nullptr, aBase,
nsContentUtils::GetIOService());
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<URLMainThread> url = new URLMainThread(aParent, uri.forget());
return url.forget();
}
/* static */ void
URLMainThread::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
nsAString& aResult, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
CreateObjectURLInternal(aGlobal, aBlob.Impl(), aResult, aRv);
}
/* static */ void
URLMainThread::CreateObjectURL(const GlobalObject& aGlobal,
DOMMediaStream& aStream,
nsAString& aResult, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
CreateObjectURLInternal(aGlobal, &aStream, aResult, aRv);
}
/* static */ void
URLMainThread::CreateObjectURL(const GlobalObject& aGlobal,
MediaSource& aSource,
nsAString& aResult, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIPrincipal> principal =
nsContentUtils::ObjectPrincipal(aGlobal.Get());
nsAutoCString url;
aRv = nsHostObjectProtocolHandler::AddDataEntry(&aSource, principal, url);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsCOMPtr<nsIRunnable> revocation =
NS_NewRunnableFunction("dom::URLMainThread::CreateObjectURL", [url] {
nsHostObjectProtocolHandler::RemoveDataEntry(url);
});
nsContentUtils::RunInStableState(revocation.forget());
CopyASCIItoUTF16(url, aResult);
}
/* static */ void
URLMainThread::RevokeObjectURL(const GlobalObject& aGlobal,
const nsAString& aURL, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
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)) {
global->UnregisterHostObjectURI(asciiurl);
nsHostObjectProtocolHandler::RemoveDataEntry(asciiurl);
}
}
URLMainThread::URLMainThread(nsISupports* aParent,
already_AddRefed<nsIURI> aURI)
: URL(aParent)
, mURI(aURI)
{
MOZ_ASSERT(NS_IsMainThread());
}
URLMainThread::~URLMainThread()
{
MOZ_ASSERT(NS_IsMainThread());
}
/* static */ bool
URLMainThread::IsValidURL(const GlobalObject& aGlobal, const nsAString& aURL,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
NS_LossyConvertUTF16toASCII asciiurl(aURL);
return nsHostObjectProtocolHandler::HasDataEntry(asciiurl);
}
void
URLMainThread::GetHref(nsAString& aHref, ErrorResult& aRv) const
{
aHref.Truncate();
nsAutoCString href;
nsresult rv = mURI->GetSpec(href);
if (NS_SUCCEEDED(rv)) {
CopyUTF8toUTF16(href, aHref);
}
}
void
URLMainThread::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
URLMainThread::GetOrigin(nsAString& aOrigin, ErrorResult& aRv) const
{
nsContentUtils::GetUTFOrigin(mURI, aOrigin);
}
void
URLMainThread::GetProtocol(nsAString& aProtocol, ErrorResult& aRv) const
{
nsAutoCString protocol;
if (NS_SUCCEEDED(mURI->GetScheme(protocol))) {
aProtocol.Truncate();
}
CopyASCIItoUTF16(protocol, aProtocol);
aProtocol.Append(char16_t(':'));
}
void
URLMainThread::SetProtocol(const nsAString& aProtocol, ErrorResult& aRv)
{
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 = NS_MutateURI(mURI)
.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 = uri;
}
#define URL_GETTER( value, func ) \
value.Truncate(); \
nsAutoCString tmp; \
nsresult rv = mURI->func(tmp); \
if (NS_SUCCEEDED(rv)) { \
CopyUTF8toUTF16(tmp, value); \
}
void
URLMainThread::GetUsername(nsAString& aUsername, ErrorResult& aRv) const
{
URL_GETTER(aUsername, GetUsername);
}
void
URLMainThread::SetUsername(const nsAString& aUsername, ErrorResult& aRv)
{
Unused << NS_MutateURI(mURI)
.SetUsername(NS_ConvertUTF16toUTF8(aUsername))
.Finalize(mURI);
}
void
URLMainThread::GetPassword(nsAString& aPassword, ErrorResult& aRv) const
{
URL_GETTER(aPassword, GetPassword);
}
void
URLMainThread::SetPassword(const nsAString& aPassword, ErrorResult& aRv)
{
Unused << NS_MutateURI(mURI)
.SetPassword(NS_ConvertUTF16toUTF8(aPassword))
.Finalize(mURI);
}
void
URLMainThread::GetHost(nsAString& aHost, ErrorResult& aRv) const
{
URL_GETTER(aHost, GetHostPort);
}
void
URLMainThread::SetHost(const nsAString& aHost, ErrorResult& aRv)
{
Unused << NS_MutateURI(mURI)
.SetHostPort(NS_ConvertUTF16toUTF8(aHost))
.Finalize(mURI);
}
void
URLMainThread::UpdateURLSearchParams()
{
if (!mSearchParams) {
return;
}
nsAutoCString search;
nsresult rv = mURI->GetQuery(search);
if (NS_WARN_IF(NS_FAILED(rv))) {
search.Truncate();
}
mSearchParams->ParseInput(search);
}
void
URLMainThread::GetHostname(nsAString& aHostname, ErrorResult& aRv) const
{
aHostname.Truncate();
nsContentUtils::GetHostOrIPv6WithBrackets(mURI, aHostname);
}
void
URLMainThread::SetHostname(const nsAString& aHostname, ErrorResult& aRv)
{
// 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
URLMainThread::GetPort(nsAString& aPort, ErrorResult& aRv) 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
URLMainThread::SetPort(const nsAString& aPort, ErrorResult& aRv)
{
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
URLMainThread::GetPathname(nsAString& aPathname, ErrorResult& aRv) const
{
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
URLMainThread::SetPathname(const nsAString& aPathname, ErrorResult& aRv)
{
// Do not throw!
Unused << NS_MutateURI(mURI)
.SetFilePath(NS_ConvertUTF16toUTF8(aPathname))
.Finalize(mURI);
}
void
URLMainThread::GetSearch(nsAString& aSearch, ErrorResult& aRv) const
{
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()) {
CopyUTF8toUTF16(NS_LITERAL_CSTRING("?") + search, aSearch);
}
}
void
URLMainThread::GetHash(nsAString& aHash, ErrorResult& aRv) const
{
aHash.Truncate();
nsAutoCString ref;
nsresult rv = mURI->GetRef(ref);
if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
aHash.Assign(char16_t('#'));
AppendUTF8toUTF16(ref, aHash);
}
}
void
URLMainThread::SetHash(const nsAString& aHash, ErrorResult& aRv)
{
Unused << NS_MutateURI(mURI)
.SetRef(NS_ConvertUTF16toUTF8(aHash))
.Finalize(mURI);
}
void
URLMainThread::SetSearchInternal(const nsAString& aSearch, ErrorResult& aRv)
{
// Ignore failures to be compatible with NS4.
Unused << NS_MutateURI(mURI)
.SetQuery(NS_ConvertUTF16toUTF8(aSearch))
.Finalize(mURI);
}
nsIURI*
URLMainThread::GetURI() const
{
MOZ_ASSERT(NS_IsMainThread());
return mURI;
}
} // namespace dom
} // namespace mozilla