mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
334 lines
9.9 KiB
C++
334 lines
9.9 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Jim Mathies <jmathies@mozilla.com>.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsParentalControlsServiceWin.h"
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#include "nsString.h"
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#include "nsIArray.h"
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#include "nsIWidget.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIFile.h"
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#include "nsILocalFileWin.h"
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#include "nsArrayUtils.h"
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#include "nsIXULAppInfo.h"
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static const CLSID CLSID_WinParentalControls = {0xE77CC89B,0x7401,0x4C04,{0x8C,0xED,0x14,0x9D,0xB3,0x5A,0xDD,0x04}};
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static const IID IID_IWinParentalControls = {0x28B4D88B,0xE072,0x49E6,{0x80,0x4D,0x26,0xED,0xBE,0x21,0xA7,0xB9}};
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NS_IMPL_ISUPPORTS1(nsParentalControlsServiceWin, nsIParentalControlsService)
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nsParentalControlsServiceWin::nsParentalControlsServiceWin() :
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mPC(nsnull)
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, mEnabled(PR_FALSE)
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, mProvider(nsnull)
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{
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HRESULT hr;
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CoInitialize(NULL);
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hr = CoCreateInstance(CLSID_WinParentalControls, NULL, CLSCTX_INPROC,
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IID_IWinParentalControls, (void**)&mPC);
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if (FAILED(hr))
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return;
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nsRefPtr<IWPCSettings> wpcs;
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if (FAILED(mPC->GetUserSettings(NULL, getter_AddRefs(wpcs)))) {
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// Not available on this os or not enabled for this user account or we're running as admin
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mPC->Release();
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mPC = nsnull;
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return;
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}
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DWORD settings = 0;
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wpcs->GetRestrictions(&settings);
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if (settings) // WPCFLAG_NO_RESTRICTION = 0
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mEnabled = PR_TRUE;
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}
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nsParentalControlsServiceWin::~nsParentalControlsServiceWin()
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{
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if (mPC)
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mPC->Release();
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if (mProvider)
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EventUnregister(mProvider);
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}
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//------------------------------------------------------------------------
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NS_IMETHODIMP
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nsParentalControlsServiceWin::GetParentalControlsEnabled(PRBool *aResult)
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{
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*aResult = PR_FALSE;
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if (mEnabled)
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*aResult = PR_TRUE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsParentalControlsServiceWin::GetBlockFileDownloadsEnabled(PRBool *aResult)
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{
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*aResult = PR_FALSE;
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if (!mEnabled)
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return NS_ERROR_NOT_AVAILABLE;
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nsRefPtr<IWPCWebSettings> wpcws;
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if (SUCCEEDED(mPC->GetWebSettings(NULL, getter_AddRefs(wpcws)))) {
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DWORD settings = 0;
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wpcws->GetSettings(&settings);
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if (settings == WPCFLAG_WEB_SETTING_DOWNLOADSBLOCKED)
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*aResult = PR_TRUE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsParentalControlsServiceWin::GetLoggingEnabled(PRBool *aResult)
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{
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*aResult = PR_FALSE;
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if (!mEnabled)
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return NS_ERROR_NOT_AVAILABLE;
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// Check the general purpose logging flag
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nsRefPtr<IWPCSettings> wpcs;
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if (SUCCEEDED(mPC->GetUserSettings(NULL, getter_AddRefs(wpcs)))) {
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BOOL enabled = FALSE;
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wpcs->IsLoggingRequired(&enabled);
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if (enabled)
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*aResult = PR_TRUE;
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}
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return NS_OK;
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}
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// Post a log event to the system
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NS_IMETHODIMP
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nsParentalControlsServiceWin::Log(PRInt16 aEntryType, PRBool blocked, nsIURI *aSource, nsIFile *aTarget)
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{
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if (!mEnabled)
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(aSource);
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// Confirm we should be logging
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PRBool enabled;
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GetLoggingEnabled(&enabled);
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if (!enabled)
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return NS_ERROR_NOT_AVAILABLE;
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// Register a windows log event provider associated with the parental controls channel.
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if (!mProvider) {
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if (EventRegister(&WPCPROV, NULL, NULL, &mProvider) != ERROR_SUCCESS)
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return NS_ERROR_OUT_OF_MEMORY;
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}
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switch(aEntryType) {
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case ePCLog_URIVisit:
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// Not needed, Vista's web content filter handles this for us
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break;
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case ePCLog_FileDownload:
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LogFileDownload(blocked, aSource, aTarget);
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break;
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default:
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break;
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}
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return NS_OK;
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}
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// Override a single URI
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NS_IMETHODIMP
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nsParentalControlsServiceWin::RequestURIOverride(nsIURI *aTarget, nsIInterfaceRequestor *aWindowContext, PRBool *_retval)
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{
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*_retval = PR_FALSE;
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if (!mEnabled)
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(aTarget);
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nsCAutoString spec;
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aTarget->GetSpec(spec);
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if (spec.IsEmpty())
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return NS_ERROR_INVALID_ARG;
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HWND hWnd = nsnull;
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// If we have a native window, use it's handle instead
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nsCOMPtr<nsIWidget> widget(do_GetInterface(aWindowContext));
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if (widget)
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hWnd = (HWND)widget->GetNativeData(NS_NATIVE_WINDOW);
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if (hWnd == nsnull)
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hWnd = GetDesktopWindow();
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nsRefPtr<IWPCWebSettings> wpcws;
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if (SUCCEEDED(mPC->GetWebSettings(NULL, getter_AddRefs(wpcws))))
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wpcws->RequestURLOverride(hWnd, NS_ConvertUTF8toUTF16(spec).get(),
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0, NULL, _retval);
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return NS_OK;
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}
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// Override a web page
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NS_IMETHODIMP
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nsParentalControlsServiceWin::RequestURIOverrides(nsIArray *aTargets, nsIInterfaceRequestor *aWindowContext, PRBool *_retval)
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{
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*_retval = PR_FALSE;
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if (!mEnabled)
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(aTargets);
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PRUint32 arrayLength = 0;
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aTargets->GetLength(&arrayLength);
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if (!arrayLength)
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return NS_ERROR_INVALID_ARG;
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if (arrayLength == 1) {
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nsCOMPtr<nsIURI> uri = do_QueryElementAt(aTargets, 0);
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if (!uri)
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return NS_ERROR_INVALID_ARG;
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return RequestURIOverride(uri, aWindowContext, _retval);
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}
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HWND hWnd = nsnull;
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// If we have a native window, use it's handle instead
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nsCOMPtr<nsIWidget> widget(do_GetInterface(aWindowContext));
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if (widget)
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hWnd = (HWND)widget->GetNativeData(NS_NATIVE_WINDOW);
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if (hWnd == nsnull)
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hWnd = GetDesktopWindow();
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// The first entry should be the root uri
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nsCAutoString rootSpec;
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nsCOMPtr<nsIURI> rootURI = do_QueryElementAt(aTargets, 0);
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if (!rootURI)
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return NS_ERROR_INVALID_ARG;
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rootURI->GetSpec(rootSpec);
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if (rootSpec.IsEmpty())
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return NS_ERROR_INVALID_ARG;
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// Allocate an array of sub uri
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PRInt32 count = arrayLength - 1;
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nsAutoArrayPtr<LPCWSTR> arrUrls(new LPCWSTR[count]);
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if (!arrUrls)
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return NS_ERROR_OUT_OF_MEMORY;
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PRUint32 uriIdx = 0, idx;
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for (idx = 1; idx < arrayLength; idx++)
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{
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nsCOMPtr<nsIURI> uri = do_QueryElementAt(aTargets, idx);
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if (!uri)
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continue;
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nsCAutoString subURI;
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if (NS_FAILED(uri->GetSpec(subURI)))
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continue;
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arrUrls[uriIdx] = (LPCWSTR)UTF8ToNewUnicode(subURI); // allocation
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if (!arrUrls[uriIdx])
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continue;
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uriIdx++;
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}
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if (!uriIdx)
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return NS_ERROR_INVALID_ARG;
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nsRefPtr<IWPCWebSettings> wpcws;
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if (SUCCEEDED(mPC->GetWebSettings(NULL, getter_AddRefs(wpcws))))
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wpcws->RequestURLOverride(hWnd, NS_ConvertUTF8toUTF16(rootSpec).get(),
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uriIdx, (LPCWSTR*)arrUrls.get(), _retval);
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// Free up the allocated strings in our array
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for (idx = 0; idx < uriIdx; idx++)
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NS_Free((void*)arrUrls[idx]);
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return NS_OK;
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}
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//------------------------------------------------------------------------
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// Sends a file download event to the Windows Event Log
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void
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nsParentalControlsServiceWin::LogFileDownload(PRBool blocked, nsIURI *aSource, nsIFile *aTarget)
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{
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nsCAutoString curi;
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aSource->GetSpec(curi);
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nsAutoString uri = NS_ConvertUTF8toUTF16(curi);
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// Get the name of the currently running process
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nsCOMPtr<nsIXULAppInfo> appInfo = do_GetService("@mozilla.org/xre/app-info;1");
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nsCAutoString asciiAppName;
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if (appInfo)
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appInfo->GetName(asciiAppName);
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nsAutoString appName = NS_ConvertUTF8toUTF16(asciiAppName);
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static const WCHAR fill[] = L"";
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// See wpcevent.h and msdn for event formats
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EVENT_DATA_DESCRIPTOR eventData[WPC_ARGS_FILEDOWNLOADEVENT_CARGS];
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DWORD dwBlocked = blocked;
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_URL], (const void*)uri.get(),
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((ULONG)uri.Length()+1)*sizeof(WCHAR));
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_APPNAME], (const void*)appName.get(),
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((ULONG)appName.Length()+1)*sizeof(WCHAR));
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_VERSION], (const void*)fill, sizeof(fill));
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_BLOCKED], (const void*)&dwBlocked,
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sizeof(dwBlocked));
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nsCOMPtr<nsILocalFileWin> local(do_QueryInterface(aTarget)); // May be null
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if (local) {
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nsAutoString path;
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local->GetCanonicalPath(path);
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_PATH], (const void*)path.get(),
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((ULONG)path.Length()+1)*sizeof(WCHAR));
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}
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else {
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EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_PATH], (const void*)fill, sizeof(fill));
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}
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EventWrite(mProvider, &WPCEVENT_WEB_FILEDOWNLOAD, ARRAYSIZE(eventData), eventData);
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}
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