| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/shared_impl/ppapi_permissions.h" |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "build/build_config.h" |
| #include "ppapi/shared_impl/ppapi_switches.h" |
| |
| namespace ppapi { |
| |
| PpapiPermissions::PpapiPermissions() : permissions_(0) {} |
| |
| PpapiPermissions::PpapiPermissions(uint32_t perms) : permissions_(perms) {} |
| |
| PpapiPermissions::~PpapiPermissions() {} |
| |
| // static |
| PpapiPermissions PpapiPermissions::AllPermissions() { |
| return PpapiPermissions(PERMISSION_ALL_BITS); |
| } |
| |
| // static |
| PpapiPermissions PpapiPermissions::GetForCommandLine(uint32_t base_perms) { |
| uint32_t additional_permissions = 0; |
| |
| #if !defined(OS_NACL) |
| // Testing permissions. The testing flag implies all permissions since the |
| // test plugin needs to test all interfaces. |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnablePepperTesting)) |
| additional_permissions |= ppapi::PERMISSION_ALL_BITS; |
| #endif |
| |
| return PpapiPermissions(base_perms | additional_permissions); |
| } |
| |
| bool PpapiPermissions::HasPermission(Permission perm) const { |
| // Check that "perm" is a power of two to make sure the caller didn't set |
| // more than one permission bit. We may want to change how permissions are |
| // represented in the future so don't want callers making assumptions about |
| // bits. |
| uint32_t perm_int = static_cast<uint32_t>(perm); |
| if (!perm_int) |
| return true; // You always have "no permission". |
| DCHECK((perm_int & (perm_int - 1)) == 0); |
| return !!(permissions_ & perm_int); |
| } |
| |
| } // namespace ppapi |