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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsContentPermissionHelper_h
#define nsContentPermissionHelper_h
#include "nsIContentPermissionPrompt.h"
#include "nsTArray.h"
#include "nsIMutableArray.h"
#include "mozilla/dom/PContentPermissionRequestChild.h"
#include "mozilla/dom/ipc/IdType.h"
#include "mozilla/PermissionDelegateHandler.h"
// Microsoft's API Name hackery sucks
// XXXbz Doing this in a header is a gigantic footgun. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=932421#c3 for why.
#undef LoadImage
class nsPIDOMWindowInner;
class nsContentPermissionRequestProxy;
namespace mozilla::dom {
class Element;
class PermissionRequest;
class ContentPermissionRequestParent;
class PContentPermissionRequestParent;
class ContentPermissionType : public nsIContentPermissionType {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTPERMISSIONTYPE
ContentPermissionType(const nsACString& aType,
const nsTArray<nsString>& aOptions);
protected:
virtual ~ContentPermissionType();
nsCString mType;
nsTArray<nsString> mOptions;
};
class nsContentPermissionUtils {
public:
static uint32_t ConvertPermissionRequestToArray(
nsTArray<PermissionRequest>& aSrcArray, nsIMutableArray* aDesArray);
// Converts blindly, that is, strings are not matched against any list.
//
// @param aSrcArray needs to contain elements of type
// `nsIContentPermissionType`.
static void ConvertArrayToPermissionRequest(
nsIArray* aSrcArray, nsTArray<PermissionRequest>& aDesArray);
static nsresult CreatePermissionArray(const nsACString& aType,
const nsTArray<nsString>& aOptions,
nsIArray** aTypesArray);
// @param aIsRequestDelegatedToUnsafeThirdParty see
// ContentPermissionRequestParent.
static PContentPermissionRequestParent* CreateContentPermissionRequestParent(
const nsTArray<PermissionRequest>& aRequests, Element* aElement,
nsIPrincipal* aPrincipal, nsIPrincipal* aTopLevelPrincipal,
const bool aHasValidTransientUserGestureActivation,
const bool aIsRequestDelegatedToUnsafeThirdParty, const TabId& aTabId);
static nsresult AskPermission(nsIContentPermissionRequest* aRequest,
nsPIDOMWindowInner* aWindow);
static nsTArray<PContentPermissionRequestParent*>
GetContentPermissionRequestParentById(const TabId& aTabId);
static void NotifyRemoveContentPermissionRequestParent(
PContentPermissionRequestParent* aParent);
static nsTArray<PContentPermissionRequestChild*>
GetContentPermissionRequestChildById(const TabId& aTabId);
static void NotifyRemoveContentPermissionRequestChild(
PContentPermissionRequestChild* aChild);
};
nsresult TranslateChoices(
JS::Handle<JS::Value> aChoices,
const nsTArray<PermissionRequest>& aPermissionRequests,
nsTArray<PermissionChoice>& aTranslatedChoices);
class ContentPermissionRequestBase : public nsIContentPermissionRequest {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(ContentPermissionRequestBase)
NS_IMETHOD GetTypes(nsIArray** aTypes) override;
NS_IMETHOD GetPrincipal(nsIPrincipal** aPrincipal) override;
NS_IMETHOD GetDelegatePrincipal(const nsACString& aType,
nsIPrincipal** aPrincipal) override;
NS_IMETHOD GetTopLevelPrincipal(nsIPrincipal** aTopLevelPrincipal) override;
NS_IMETHOD GetWindow(mozIDOMWindow** aWindow) override;
NS_IMETHOD GetElement(mozilla::dom::Element** aElement) override;
NS_IMETHOD GetHasValidTransientUserGestureActivation(
bool* aHasValidTransientUserGestureActivation) override;
NS_IMETHOD GetIsRequestDelegatedToUnsafeThirdParty(
bool* aIsRequestDelegatedToUnsafeThirdParty) override;
// Overrides for Allow() and Cancel() aren't provided by this class.
// That is the responsibility of the subclasses.
enum class PromptResult {
Granted,
Denied,
Pending,
};
nsresult ShowPrompt(PromptResult& aResult);
PromptResult CheckPromptPrefs() const;
// Check if the permission has an opportunity to request.
bool CheckPermissionDelegate() const;
enum class DelayedTaskType {
Allow,
Deny,
Request,
};
void RequestDelayedTask(nsIEventTarget* aTarget, DelayedTaskType aType);
protected:
// @param aPrefName see `mPrefName`.
// @param aType see `mType`.
ContentPermissionRequestBase(nsIPrincipal* aPrincipal,
nsPIDOMWindowInner* aWindow,
const nsACString& aPrefName,
const nsACString& aType);
virtual ~ContentPermissionRequestBase() = default;
nsCOMPtr<nsIPrincipal> mPrincipal;
nsCOMPtr<nsIPrincipal> mTopLevelPrincipal;
nsCOMPtr<nsPIDOMWindowInner> mWindow;
RefPtr<PermissionDelegateHandler> mPermissionHandler;
// The prefix of a pref which allows tests to bypass showing the prompt.
// Tests will have to set both of
// ${mPrefName}.prompt.testing and
// ${mPrefName}.prompt.testing.allow
// to either true or false. If no such testing is required, mPrefName may be
// empty.
const nsCString mPrefName;
// The type of the request, such as "autoplay-media-audible".
const nsCString mType;
bool mHasValidTransientUserGestureActivation;
// See nsIPermissionDelegateHandler.maybeUnsafePermissionDelegate`.
bool mIsRequestDelegatedToUnsafeThirdParty;
};
} // namespace mozilla::dom
using mozilla::dom::ContentPermissionRequestParent;
class nsContentPermissionRequestProxy : public nsIContentPermissionRequest {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTPERMISSIONREQUEST
explicit nsContentPermissionRequestProxy(
ContentPermissionRequestParent* parent);
nsresult Init(const nsTArray<mozilla::dom::PermissionRequest>& requests);
void OnParentDestroyed();
private:
virtual ~nsContentPermissionRequestProxy();
// Non-owning pointer to the ContentPermissionRequestParent object which owns
// this proxy.
ContentPermissionRequestParent* mParent;
nsTArray<mozilla::dom::PermissionRequest> mPermissionRequests;
};
/**
* RemotePermissionRequest will send a prompt ipdl request to the chrome process
* (https://wiki.mozilla.org/Security/Sandbox/Process_model#Chrome_process_.28Parent.29).
*/
class RemotePermissionRequest final
: public mozilla::dom::PContentPermissionRequestChild {
public:
NS_INLINE_DECL_REFCOUNTING(RemotePermissionRequest)
RemotePermissionRequest(nsIContentPermissionRequest* aRequest,
nsPIDOMWindowInner* aWindow);
// It will be called when prompt dismissed. MOZ_CAN_RUN_SCRIPT_BOUNDARY
// because we don't have MOZ_CAN_RUN_SCRIPT bits in IPC code yet.
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvNotifyResult(
const bool& aAllow, nsTArray<PermissionChoice>&& aChoices);
void IPDLAddRef() {
mIPCOpen = true;
AddRef();
}
void IPDLRelease() {
mIPCOpen = false;
Release();
}
void Destroy();
bool IPCOpen() const { return mIPCOpen && !mDestroyed; }
private:
virtual ~RemotePermissionRequest();
MOZ_CAN_RUN_SCRIPT
void DoAllow(JS::Handle<JS::Value> aChoices);
MOZ_CAN_RUN_SCRIPT
void DoCancel();
nsCOMPtr<nsIContentPermissionRequest> mRequest;
nsCOMPtr<nsPIDOMWindowInner> mWindow;
bool mIPCOpen;
bool mDestroyed;
};
#endif // nsContentPermissionHelper_h
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