Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 381 insertions, 0 deletions

diff --git a/uriloader/exthandler/HandlerServiceParent.cpp b/uriloader/exthandler/HandlerServiceParent.cpp
new file mode 100644
index 0000000000..ab77657dd5
--- /dev/null
+++ b/uriloader/exthandler/HandlerServiceParent.cpp
@@ -0,0 +1,381 @@
+/* -*- 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 "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;
+}
+
+/* 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) {}