gecko-dev/dom/ipc/AppProcessChecker.h

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C
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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 mozilla_AppProcessChecker_h
#define mozilla_AppProcessChecker_h
#include <stdint.h>
class nsIPrincipal;
namespace mozilla {
namespace dom {
class TabContext;
class PBrowserParent;
class PContentParent;
} // namespace dom
namespace hal_sandbox {
class PHalParent;
} // namespace hal_sandbox
enum AssertAppProcessType {
ASSERT_APP_PROCESS_PERMISSION,
ASSERT_APP_PROCESS_MANIFEST_URL,
ASSERT_APP_HAS_PERMISSION
};
/**
* Return true if the specified browser has the specified capability.
* If this returns false, the browser didn't have the capability and
* will be killed.
*/
bool
AssertAppProcess(mozilla::dom::PBrowserParent* aActor,
AssertAppProcessType aType,
const char* aCapability);
/**
* Return true if the specified app has the specified status.
* If this returns false, the browser will be killed.
*/
bool
AssertAppStatus(mozilla::dom::PBrowserParent* aActor,
unsigned short aStatus);
/**
* Return true if the specified browser has the specified capability.
* If this returns false, the browser didn't have the capability and
* will be killed.
*/
bool
AssertAppProcess(const mozilla::dom::TabContext& aContext,
AssertAppProcessType aType,
const char* aCapability);
/**
* Return true if the specified app has the specified status.
* If this returns false, the browser will be killed.
*/
bool
AssertAppStatus(const mozilla::dom::TabContext& aContext,
unsigned short aStatus);
/**
* Return true if any of the PBrowsers loaded in this content process
* has the specified capability. If this returns false, the process
* didn't have the capability and will be killed.
*/
bool
AssertAppProcess(mozilla::dom::PContentParent* aActor,
AssertAppProcessType aType,
const char* aCapability);
/**
* Return true if any of the PBrowsers loaded in this content process
* has an app with the specified status. If this returns false, the process
* didn't have the status and will be killed.
*/
bool
AssertAppStatus(mozilla::dom::PContentParent* aActor,
unsigned short aStatus);
bool
AssertAppProcess(mozilla::hal_sandbox::PHalParent* aActor,
AssertAppProcessType aType,
const char* aCapability);
// NB: when adding capability checks for other IPDL actors, please add
// them to this file and have them delegate to the two functions above
// as appropriate. For example,
//
// bool AppProcessHasCapability(PNeckoParent* aActor, AssertAppProcessType aType) {
// return AssertAppProcess(aActor->Manager(), aType);
// }
bool
AssertAppPrincipal(mozilla::dom::PContentParent* aParent,
nsIPrincipal* aPrincipal);
/**
* Check if the specified principal is valid, and return the saved permission
* value for permission `aPermission' on that principal.
* See nsIPermissionManager.idl for possible return values.
*
* nsIPermissionManager::UNKNOWN_ACTION is retuned if the principal is invalid.
*/
uint32_t
CheckPermission(mozilla::dom::PContentParent* aParent,
nsIPrincipal* aPrincipal, const char* aPermission);
/**
* Inline function for asserting the process's permission.
*/
template<typename T>
inline bool
AssertAppProcessPermission(T* aActor,
const char* aPermission) {
return AssertAppProcess(aActor,
ASSERT_APP_PROCESS_PERMISSION,
aPermission);
}
/**
* Inline function for asserting the process's manifest URL.
*/
template<typename T>
inline bool
AssertAppProcessManifestURL(T* aActor,
const char* aManifestURL) {
return AssertAppProcess(aActor,
ASSERT_APP_PROCESS_MANIFEST_URL,
aManifestURL);
}
/**
* Inline function for asserting the process's manifest URL.
*/
template<typename T>
inline bool
AssertAppHasPermission(T* aActor,
const char* aPermission) {
return AssertAppProcess(aActor,
ASSERT_APP_HAS_PERMISSION,
aPermission);
}
template<typename T>
inline bool
AssertAppHasStatus(T* aActor,
unsigned short aStatus) {
return AssertAppStatus(aActor, aStatus);
}
} // namespace mozilla
#endif // mozilla_AppProcessChecker_h