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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
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/Logging.h"
#include "HandlerServiceParent.h"
#include "nsIHandlerService.h"
#include "nsIMIMEInfo.h"
#include "nsIMIMEService.h"
#include "ContentHandlerService.h"
#include "nsIExternalProtocolService.h"
#include "nsStringEnumerator.h"
#include "nsIMutableArray.h"
#include "nsCExternalHandlerService.h"
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#ifdef MOZ_WIDGET_GTK
# include "unix/nsGNOMERegistry.h"
#endif
using mozilla::dom::ContentHandlerService;
using mozilla::dom::HandlerApp;
using mozilla::dom::HandlerInfo;
using mozilla::dom::RemoteHandlerApp;
namespace {
class ProxyHandlerInfo final : public nsIHandlerInfo {
public:
explicit ProxyHandlerInfo(const HandlerInfo& aHandlerInfo);
NS_DECL_ISUPPORTS;
NS_DECL_NSIHANDLERINFO;
nsTArray<nsCString>& Extensions() { return mHandlerInfo.extensions(); }
protected:
~ProxyHandlerInfo() {}
HandlerInfo mHandlerInfo;
nsHandlerInfoAction mPrefAction;
nsCOMPtr<nsIMutableArray> mPossibleApps;
};
NS_IMPL_ISUPPORTS(ProxyHandlerInfo, nsIHandlerInfo)
ProxyHandlerInfo::ProxyHandlerInfo(const HandlerInfo& aHandlerInfo)
: mHandlerInfo(aHandlerInfo),
mPrefAction(nsIHandlerInfo::alwaysAsk),
mPossibleApps(do_CreateInstance(NS_ARRAY_CONTRACTID)) {
for (auto& happ : aHandlerInfo.possibleApplicationHandlers()) {
mPossibleApps->AppendElement(new RemoteHandlerApp(happ));
}
}
/* readonly attribute ACString type; */
NS_IMETHODIMP ProxyHandlerInfo::GetType(nsACString& aType) {
aType.Assign(mHandlerInfo.type());
return NS_OK;
}
/* attribute AString description; */
NS_IMETHODIMP ProxyHandlerInfo::GetDescription(nsAString& aDescription) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ProxyHandlerInfo::SetDescription(const nsAString& aDescription) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute nsIHandlerApp preferredApplicationHandler; */
NS_IMETHODIMP ProxyHandlerInfo::GetPreferredApplicationHandler(
nsIHandlerApp** aPreferredApplicationHandler) {
*aPreferredApplicationHandler =
new RemoteHandlerApp(mHandlerInfo.preferredApplicationHandler());
NS_IF_ADDREF(*aPreferredApplicationHandler);
return NS_OK;
}
NS_IMETHODIMP ProxyHandlerInfo::SetPreferredApplicationHandler(
nsIHandlerApp* aApp) {
nsString name;
nsString detailedDescription;
if (aApp) {
aApp->GetName(name);
aApp->GetDetailedDescription(detailedDescription);
}
mHandlerInfo.preferredApplicationHandler() =
HandlerApp(name, detailedDescription);
return NS_OK;
}
/* readonly attribute nsIMutableArray possibleApplicationHandlers; */
NS_IMETHODIMP ProxyHandlerInfo::GetPossibleApplicationHandlers(
nsIMutableArray** aPossibleApplicationHandlers) {
*aPossibleApplicationHandlers = mPossibleApps;
NS_IF_ADDREF(*aPossibleApplicationHandlers);
return NS_OK;
}
/* readonly attribute boolean hasDefaultHandler; */
NS_IMETHODIMP ProxyHandlerInfo::GetHasDefaultHandler(bool* aHasDefaultHandler) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute AString defaultDescription; */
NS_IMETHODIMP ProxyHandlerInfo::GetDefaultDescription(
nsAString& aDefaultDescription) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ProxyHandlerInfo::GetDefaultExecutable(nsIFile** aExecutable) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* void launchWithURI (in nsIURI aURI,
[optional] in BrowsingContext aBrowsingContext); */
NS_IMETHODIMP ProxyHandlerInfo::LaunchWithURI(
nsIURI* aURI, mozilla::dom::BrowsingContext* aBrowsingContext) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute ProxyHandlerInfoAction preferredAction; */
NS_IMETHODIMP ProxyHandlerInfo::GetPreferredAction(
nsHandlerInfoAction* aPreferredAction) {
*aPreferredAction = mPrefAction;
return NS_OK;
}
NS_IMETHODIMP ProxyHandlerInfo::SetPreferredAction(
nsHandlerInfoAction aPreferredAction) {
mHandlerInfo.preferredAction() = aPreferredAction;
mPrefAction = aPreferredAction;
return NS_OK;
}
/* attribute boolean alwaysAskBeforeHandling; */
NS_IMETHODIMP ProxyHandlerInfo::GetAlwaysAskBeforeHandling(
bool* aAlwaysAskBeforeHandling) {
*aAlwaysAskBeforeHandling = mHandlerInfo.alwaysAskBeforeHandling();
return NS_OK;
}
NS_IMETHODIMP ProxyHandlerInfo::SetAlwaysAskBeforeHandling(
bool aAlwaysAskBeforeHandling) {
mHandlerInfo.alwaysAskBeforeHandling() = aAlwaysAskBeforeHandling;
return NS_OK;
}
class ProxyMIMEInfo : public nsIMIMEInfo {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMIMEINFO
NS_FORWARD_NSIHANDLERINFO(mProxyHandlerInfo->);
explicit ProxyMIMEInfo(const HandlerInfo& aHandlerInfo)
: mProxyHandlerInfo(new ProxyHandlerInfo(aHandlerInfo)) {}
private:
virtual ~ProxyMIMEInfo() {}
RefPtr<ProxyHandlerInfo> mProxyHandlerInfo;
protected:
/* additional members */
};
NS_IMPL_ISUPPORTS(ProxyMIMEInfo, nsIMIMEInfo, nsIHandlerInfo)
/* nsIUTF8StringEnumerator getFileExtensions (); */
NS_IMETHODIMP ProxyMIMEInfo::GetFileExtensions(
nsIUTF8StringEnumerator** _retval) {
return NS_NewUTF8StringEnumerator(_retval, &mProxyHandlerInfo->Extensions(),
this);
}
/* void setFileExtensions (in AUTF8String aExtensions); */
NS_IMETHODIMP ProxyMIMEInfo::SetFileExtensions(const nsACString& aExtensions) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* boolean extensionExists (in AUTF8String aExtension); */
NS_IMETHODIMP ProxyMIMEInfo::ExtensionExists(const nsACString& aExtension,
bool* _retval) {
*_retval = mProxyHandlerInfo->Extensions().Contains(
aExtension, nsCaseInsensitiveCStringArrayComparator());
return NS_OK;
}
/* void appendExtension (in AUTF8String aExtension); */
NS_IMETHODIMP ProxyMIMEInfo::AppendExtension(const nsACString& aExtension) {
if (!aExtension.IsEmpty() &&
!mProxyHandlerInfo->Extensions().Contains(
aExtension, nsCaseInsensitiveCStringArrayComparator())) {
mProxyHandlerInfo->Extensions().AppendElement(aExtension);
}
return NS_OK;
}
/* attribute AUTF8String primaryExtension; */
NS_IMETHODIMP ProxyMIMEInfo::GetPrimaryExtension(
nsACString& aPrimaryExtension) {
const auto& extensions = mProxyHandlerInfo->Extensions();
if (extensions.IsEmpty()) {
aPrimaryExtension.Truncate();
return NS_ERROR_FAILURE;
}
aPrimaryExtension = extensions[0];
return NS_OK;
}
NS_IMETHODIMP ProxyMIMEInfo::SetPrimaryExtension(
const nsACString& aPrimaryExtension) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute ACString MIMEType; */
NS_IMETHODIMP ProxyMIMEInfo::GetMIMEType(nsACString& aMIMEType) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* boolean equals (in nsIMIMEInfo aMIMEInfo); */
NS_IMETHODIMP ProxyMIMEInfo::Equals(nsIMIMEInfo* aMIMEInfo, bool* _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute nsIArray possibleLocalHandlers; */
NS_IMETHODIMP ProxyMIMEInfo::GetPossibleLocalHandlers(
nsIArray** aPossibleLocalHandlers) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* void launchWithFile (in nsIFile aFile); */
NS_IMETHODIMP ProxyMIMEInfo::LaunchWithFile(nsIFile* aFile) {
return NS_ERROR_NOT_IMPLEMENTED;
}
/* boolean isCurrentAppOSDefault(); */
NS_IMETHODIMP ProxyMIMEInfo::IsCurrentAppOSDefault(bool* _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
static already_AddRefed<nsIHandlerInfo> WrapHandlerInfo(
const HandlerInfo& aHandlerInfo) {
nsCOMPtr<nsIHandlerInfo> info;
if (aHandlerInfo.isMIMEInfo()) {
info = new ProxyMIMEInfo(aHandlerInfo);
} else {
info = new ProxyHandlerInfo(aHandlerInfo);
}
return info.forget();
}
} // anonymous namespace
HandlerServiceParent::HandlerServiceParent() {}
HandlerServiceParent::~HandlerServiceParent() {}
mozilla::ipc::IPCResult HandlerServiceParent::RecvFillHandlerInfo(
const HandlerInfo& aHandlerInfoData, const nsACString& aOverrideType,
HandlerInfo* handlerInfoData) {
nsCOMPtr<nsIHandlerInfo> info(WrapHandlerInfo(aHandlerInfoData));
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID);
handlerSvc->FillHandlerInfo(info, aOverrideType);
ContentHandlerService::nsIHandlerInfoToHandlerInfo(info, handlerInfoData);
return IPC_OK();
}
mozilla::ipc::IPCResult HandlerServiceParent::RecvGetMIMEInfoFromOS(
const nsACString& aMIMEType, const nsACString& aExtension, nsresult* aRv,
HandlerInfo* aHandlerInfoData, bool* aFound) {
*aFound = false;
if (aMIMEType.Length() > MAX_MIMETYPE_LENGTH ||
aExtension.Length() > MAX_EXT_LENGTH) {
*aRv = NS_OK;
return IPC_OK();
}
nsCOMPtr<nsIMIMEService> mimeService =
do_GetService(NS_MIMESERVICE_CONTRACTID, aRv);
if (NS_WARN_IF(NS_FAILED(*aRv))) {
return IPC_OK();
}
nsCOMPtr<nsIMIMEInfo> mimeInfo;
*aRv = mimeService->GetMIMEInfoFromOS(aMIMEType, aExtension, aFound,
getter_AddRefs(mimeInfo));
if (NS_WARN_IF(NS_FAILED(*aRv))) {
return IPC_OK();
}
if (mimeInfo) {
ContentHandlerService::nsIHandlerInfoToHandlerInfo(mimeInfo,
aHandlerInfoData);
}
return IPC_OK();
}
mozilla::ipc::IPCResult HandlerServiceParent::RecvExists(
const HandlerInfo& aHandlerInfo, bool* exists) {
nsCOMPtr<nsIHandlerInfo> info(WrapHandlerInfo(aHandlerInfo));
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID);
handlerSvc->Exists(info, exists);
return IPC_OK();
}
mozilla::ipc::IPCResult HandlerServiceParent::RecvExistsForProtocolOS(
const nsACString& aProtocolScheme, bool* aHandlerExists) {
if (aProtocolScheme.Length() > MAX_SCHEME_LENGTH) {
*aHandlerExists = false;
return IPC_OK();
}
#ifdef MOZ_WIDGET_GTK
// Check the GNOME registry for a protocol handler
*aHandlerExists =
nsGNOMERegistry::HandlerExists(PromiseFlatCString(aProtocolScheme).get());
#else
*aHandlerExists = false;
#endif
return IPC_OK();
}
/*
* Check if a handler exists for the provided protocol. Check the datastore
* first and then fallback to checking the OS for a handler.
*/
mozilla::ipc::IPCResult HandlerServiceParent::RecvExistsForProtocol(
const nsACString& aProtocolScheme, bool* aHandlerExists) {
if (aProtocolScheme.Length() > MAX_SCHEME_LENGTH) {
*aHandlerExists = false;
return IPC_OK();
}
// Check the datastore and fallback to an OS check.
// ExternalProcotolHandlerExists() does the fallback.
nsresult rv;
nsCOMPtr<nsIExternalProtocolService> protoSvc =
do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
*aHandlerExists = false;
return IPC_OK();
}
rv = protoSvc->ExternalProtocolHandlerExists(
PromiseFlatCString(aProtocolScheme).get(), aHandlerExists);
if (NS_WARN_IF(NS_FAILED(rv))) {
*aHandlerExists = false;
}
return IPC_OK();
}
mozilla::ipc::IPCResult HandlerServiceParent::RecvGetTypeFromExtension(
const nsACString& aFileExtension, nsCString* type) {
if (aFileExtension.Length() > MAX_EXT_LENGTH) {
return IPC_OK();
}
nsresult rv;
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return IPC_OK();
}
rv = handlerSvc->GetTypeFromExtension(aFileExtension, *type);
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
mozilla::ipc::IPCResult HandlerServiceParent::RecvGetApplicationDescription(
const nsACString& aScheme, nsresult* aRv, nsString* aDescription) {
if (aScheme.Length() > MAX_SCHEME_LENGTH) {
*aRv = NS_ERROR_NOT_AVAILABLE;
return IPC_OK();
}
nsCOMPtr<nsIExternalProtocolService> protoSvc =
do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID);
NS_ASSERTION(protoSvc, "No Helper App Service!");
*aRv = protoSvc->GetApplicationDescription(aScheme, *aDescription);
return IPC_OK();
}
void HandlerServiceParent::ActorDestroy(ActorDestroyReason aWhy) {}