mirror of
https://github.com/klzgrad/naiveproxy.git
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204 lines
8.6 KiB
C++
204 lines
8.6 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// =============================================================================
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// PLEASE READ
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//
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// In general, you should not be adding stuff to this file.
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//
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// - If your thing is only used in one place, just put it in a reasonable
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// location in or near that one place. It's nice you want people to be able
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// to re-use your function, but realistically, if it hasn't been necessary
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// before after so many years of development, it's probably not going to be
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// used in other places in the future unless you know of them now.
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//
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// - If your thing is used by multiple callers and is UI-related, it should
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// probably be in app/win/ instead. Try to put it in the most specific file
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// possible (avoiding the *_util files when practical).
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//
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// =============================================================================
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#ifndef BASE_WIN_WIN_UTIL_H_
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#define BASE_WIN_WIN_UTIL_H_
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#include <windows.h>
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "base/base_export.h"
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#include "base/strings/string16.h"
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struct IPropertyStore;
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struct _tagpropertykey;
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typedef _tagpropertykey PROPERTYKEY;
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// This is the same as NONCLIENTMETRICS except that the
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// unused member |iPaddedBorderWidth| has been removed.
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struct NONCLIENTMETRICS_XP {
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UINT cbSize;
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int iBorderWidth;
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int iScrollWidth;
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int iScrollHeight;
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int iCaptionWidth;
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int iCaptionHeight;
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LOGFONTW lfCaptionFont;
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int iSmCaptionWidth;
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int iSmCaptionHeight;
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LOGFONTW lfSmCaptionFont;
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int iMenuWidth;
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int iMenuHeight;
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LOGFONTW lfMenuFont;
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LOGFONTW lfStatusFont;
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LOGFONTW lfMessageFont;
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};
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namespace base {
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namespace win {
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inline uint32_t HandleToUint32(HANDLE h) {
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// Cast through uintptr_t and then unsigned int to make the truncation to
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// 32 bits explicit. Handles are size of-pointer but are always 32-bit values.
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// https://msdn.microsoft.com/en-us/library/aa384203(VS.85).aspx says:
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// 64-bit versions of Windows use 32-bit handles for interoperability.
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return static_cast<uint32_t>(reinterpret_cast<uintptr_t>(h));
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}
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inline HANDLE Uint32ToHandle(uint32_t h) {
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return reinterpret_cast<HANDLE>(
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static_cast<uintptr_t>(static_cast<int32_t>(h)));
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}
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BASE_EXPORT void GetNonClientMetrics(NONCLIENTMETRICS_XP* metrics);
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// Returns the string representing the current user sid.
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BASE_EXPORT bool GetUserSidString(std::wstring* user_sid);
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// Returns false if user account control (UAC) has been disabled with the
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// EnableLUA registry flag. Returns true if user account control is enabled.
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// NOTE: The EnableLUA registry flag, which is ignored on Windows XP
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// machines, might still exist and be set to 0 (UAC disabled), in which case
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// this function will return false. You should therefore check this flag only
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// if the OS is Vista or later.
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BASE_EXPORT bool UserAccountControlIsEnabled();
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// Sets the boolean value for a given key in given IPropertyStore.
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BASE_EXPORT bool SetBooleanValueForPropertyStore(
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IPropertyStore* property_store,
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const PROPERTYKEY& property_key,
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bool property_bool_value);
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// Sets the string value for a given key in given IPropertyStore.
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BASE_EXPORT bool SetStringValueForPropertyStore(
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IPropertyStore* property_store,
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const PROPERTYKEY& property_key,
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const wchar_t* property_string_value);
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// Sets the application id in given IPropertyStore. The function is intended
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// for tagging application/chromium shortcut, browser window and jump list for
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// Win7.
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BASE_EXPORT bool SetAppIdForPropertyStore(IPropertyStore* property_store,
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const wchar_t* app_id);
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// Adds the specified |command| using the specified |name| to the AutoRun key.
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// |root_key| could be HKCU or HKLM or the root of any user hive.
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BASE_EXPORT bool AddCommandToAutoRun(HKEY root_key, const string16& name,
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const string16& command);
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// Removes the command specified by |name| from the AutoRun key. |root_key|
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// could be HKCU or HKLM or the root of any user hive.
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BASE_EXPORT bool RemoveCommandFromAutoRun(HKEY root_key, const string16& name);
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// Reads the command specified by |name| from the AutoRun key. |root_key|
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// could be HKCU or HKLM or the root of any user hive. Used for unit-tests.
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BASE_EXPORT bool ReadCommandFromAutoRun(HKEY root_key,
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const string16& name,
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string16* command);
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// Sets whether to crash the process during exit. This is inspected by DLLMain
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// and used to intercept unexpected terminations of the process (via calls to
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// exit(), abort(), _exit(), ExitProcess()) and convert them into crashes.
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// Note that not all mechanisms for terminating the process are covered by
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// this. In particular, TerminateProcess() is not caught.
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BASE_EXPORT void SetShouldCrashOnProcessDetach(bool crash);
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BASE_EXPORT bool ShouldCrashOnProcessDetach();
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// Adjusts the abort behavior so that crash reports can be generated when the
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// process is aborted.
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BASE_EXPORT void SetAbortBehaviorForCrashReporting();
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// Checks whether the supplied |hwnd| is in Windows 10 tablet mode. Will return
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// false on versions below 10.
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BASE_EXPORT bool IsWindows10TabletMode(HWND hwnd);
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// A tablet is a device that is touch enabled and also is being used
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// "like a tablet". This is used by the following:-
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// 1. Metrics:- To gain insight into how users use Chrome.
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// 2. Physical keyboard presence :- If a device is in tablet mode, it means
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// that there is no physical keyboard attached.
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// 3. To set the right interactions media queries,
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// see https://drafts.csswg.org/mediaqueries-4/#mf-interaction
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// This function optionally sets the |reason| parameter to determine as to why
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// or why not a device was deemed to be a tablet.
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// Returns true if the device is in tablet mode.
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BASE_EXPORT bool IsTabletDevice(std::string* reason, HWND hwnd);
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// A slate is a touch device that may have a keyboard attached. This function
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// returns true if a keyboard is attached and optionally will set the |reason|
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// parameter to the detection method that was used to detect the keyboard.
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BASE_EXPORT bool IsKeyboardPresentOnSlate(std::string* reason, HWND hwnd);
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// Get the size of a struct up to and including the specified member.
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// This is necessary to set compatible struct sizes for different versions
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// of certain Windows APIs (e.g. SystemParametersInfo).
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#define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(struct_name, member) \
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offsetof(struct_name, member) + \
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(sizeof static_cast<struct_name*>(NULL)->member)
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// Returns true if the machine is enrolled to a domain.
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BASE_EXPORT bool IsEnrolledToDomain();
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// Returns true if the machine is being managed by an MDM system.
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BASE_EXPORT bool IsDeviceRegisteredWithManagement();
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// Returns true if the current machine is considered enterprise managed in some
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// fashion. A machine is considered managed if it is either domain enrolled
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// or registered with an MDM.
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BASE_EXPORT bool IsEnterpriseManaged();
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// Used by tests to mock any wanted state. Call with |state| set to true to
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// simulate being in a domain and false otherwise.
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BASE_EXPORT void SetDomainStateForTesting(bool state);
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// Returns true if the current process can make USER32 or GDI32 calls such as
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// CreateWindow and CreateDC. Windows 8 and above allow the kernel component
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// of these calls to be disabled which can cause undefined behaviour such as
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// crashes. This function can be used to guard areas of code using these calls
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// and provide a fallback path if necessary.
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BASE_EXPORT bool IsUser32AndGdi32Available();
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// Takes a snapshot of the modules loaded in the |process|. The returned
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// HMODULEs are not add-ref'd, so they should not be closed and may be
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// invalidated at any time (should a module be unloaded). |process| requires
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// the PROCESS_QUERY_INFORMATION and PROCESS_VM_READ permissions.
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BASE_EXPORT bool GetLoadedModulesSnapshot(HANDLE process,
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std::vector<HMODULE>* snapshot);
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// Adds or removes the MICROSOFT_TABLETPENSERVICE_PROPERTY property with the
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// TABLET_DISABLE_FLICKS & TABLET_DISABLE_FLICKFALLBACKKEYS flags in order to
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// disable pen flick gestures for the given HWND.
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BASE_EXPORT void EnableFlicks(HWND hwnd);
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BASE_EXPORT void DisableFlicks(HWND hwnd);
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// Returns true if the process is per monitor DPI aware.
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BASE_EXPORT bool IsProcessPerMonitorDpiAware();
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// Enable high-DPI support for the current process.
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BASE_EXPORT void EnableHighDPISupport();
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} // namespace win
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} // namespace base
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#endif // BASE_WIN_WIN_UTIL_H_
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