mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
341 lines
9.5 KiB
C++
341 lines
9.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
#include "nsParentalControlsService.h"
|
|
#include "nsString.h"
|
|
#include "nsIArray.h"
|
|
#include "nsIWidget.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsIInterfaceRequestorUtils.h"
|
|
#include "nsIFile.h"
|
|
#include "nsILocalFileWin.h"
|
|
#include "nsArrayUtils.h"
|
|
#include "nsIXULAppInfo.h"
|
|
|
|
static const CLSID CLSID_WinParentalControls = {0xE77CC89B,0x7401,0x4C04,{0x8C,0xED,0x14,0x9D,0xB3,0x5A,0xDD,0x04}};
|
|
static const IID IID_IWinParentalControls = {0x28B4D88B,0xE072,0x49E6,{0x80,0x4D,0x26,0xED,0xBE,0x21,0xA7,0xB9}};
|
|
|
|
NS_IMPL_ISUPPORTS(nsParentalControlsService, nsIParentalControlsService)
|
|
|
|
static HINSTANCE gAdvAPIDLLInst = nullptr;
|
|
|
|
decltype(EventWrite)* gEventWrite = nullptr;
|
|
decltype(EventRegister)* gEventRegister = nullptr;
|
|
decltype(EventUnregister)* gEventUnregister = nullptr;
|
|
|
|
nsParentalControlsService::nsParentalControlsService() :
|
|
mEnabled(false)
|
|
, mProvider(0)
|
|
, mPC(nullptr)
|
|
{
|
|
HRESULT hr;
|
|
CoInitialize(nullptr);
|
|
hr = CoCreateInstance(CLSID_WinParentalControls, nullptr, CLSCTX_INPROC,
|
|
IID_IWinParentalControls, (void**)&mPC);
|
|
if (FAILED(hr))
|
|
return;
|
|
|
|
nsRefPtr<IWPCSettings> wpcs;
|
|
if (FAILED(mPC->GetUserSettings(nullptr, getter_AddRefs(wpcs)))) {
|
|
// Not available on this os or not enabled for this user account or we're running as admin
|
|
mPC->Release();
|
|
mPC = nullptr;
|
|
return;
|
|
}
|
|
|
|
DWORD settings = 0;
|
|
wpcs->GetRestrictions(&settings);
|
|
|
|
if (settings) { // WPCFLAG_NO_RESTRICTION = 0
|
|
gAdvAPIDLLInst = ::LoadLibrary("Advapi32.dll");
|
|
if(gAdvAPIDLLInst)
|
|
{
|
|
gEventWrite = (decltype(EventWrite)*) GetProcAddress(gAdvAPIDLLInst, "EventWrite");
|
|
gEventRegister = (decltype(EventRegister)*) GetProcAddress(gAdvAPIDLLInst, "EventRegister");
|
|
gEventUnregister = (decltype(EventUnregister)*) GetProcAddress(gAdvAPIDLLInst, "EventUnregister");
|
|
}
|
|
mEnabled = true;
|
|
}
|
|
}
|
|
|
|
nsParentalControlsService::~nsParentalControlsService()
|
|
{
|
|
if (mPC)
|
|
mPC->Release();
|
|
|
|
if (gEventUnregister && mProvider)
|
|
gEventUnregister(mProvider);
|
|
|
|
if (gAdvAPIDLLInst)
|
|
::FreeLibrary(gAdvAPIDLLInst);
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::GetParentalControlsEnabled(bool *aResult)
|
|
{
|
|
*aResult = false;
|
|
|
|
if (mEnabled)
|
|
*aResult = true;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::GetBlockFileDownloadsEnabled(bool *aResult)
|
|
{
|
|
*aResult = false;
|
|
|
|
if (!mEnabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
nsRefPtr<IWPCWebSettings> wpcws;
|
|
if (SUCCEEDED(mPC->GetWebSettings(nullptr, getter_AddRefs(wpcws)))) {
|
|
DWORD settings = 0;
|
|
wpcws->GetSettings(&settings);
|
|
if (settings == WPCFLAG_WEB_SETTING_DOWNLOADSBLOCKED)
|
|
*aResult = true;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::GetLoggingEnabled(bool *aResult)
|
|
{
|
|
*aResult = false;
|
|
|
|
if (!mEnabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
// Check the general purpose logging flag
|
|
nsRefPtr<IWPCSettings> wpcs;
|
|
if (SUCCEEDED(mPC->GetUserSettings(nullptr, getter_AddRefs(wpcs)))) {
|
|
BOOL enabled = FALSE;
|
|
wpcs->IsLoggingRequired(&enabled);
|
|
if (enabled)
|
|
*aResult = true;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Post a log event to the system
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::Log(int16_t aEntryType, bool blocked, nsIURI *aSource, nsIFile *aTarget)
|
|
{
|
|
if (!mEnabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
NS_ENSURE_ARG_POINTER(aSource);
|
|
|
|
// Confirm we should be logging
|
|
bool enabled;
|
|
GetLoggingEnabled(&enabled);
|
|
if (!enabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
// Register a Vista log event provider associated with the parental controls channel.
|
|
if (!mProvider) {
|
|
if (!gEventRegister)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
if (gEventRegister(&WPCPROV, nullptr, nullptr, &mProvider) != ERROR_SUCCESS)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
switch(aEntryType) {
|
|
case ePCLog_URIVisit:
|
|
// Not needed, Vista's web content filter handles this for us
|
|
break;
|
|
case ePCLog_FileDownload:
|
|
LogFileDownload(blocked, aSource, aTarget);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Override a single URI
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::RequestURIOverride(nsIURI *aTarget, nsIInterfaceRequestor *aWindowContext, bool *_retval)
|
|
{
|
|
*_retval = false;
|
|
|
|
if (!mEnabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
NS_ENSURE_ARG_POINTER(aTarget);
|
|
|
|
nsAutoCString spec;
|
|
aTarget->GetSpec(spec);
|
|
if (spec.IsEmpty())
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
HWND hWnd = nullptr;
|
|
// If we have a native window, use its handle instead
|
|
nsCOMPtr<nsIWidget> widget(do_GetInterface(aWindowContext));
|
|
if (widget)
|
|
hWnd = (HWND)widget->GetNativeData(NS_NATIVE_WINDOW);
|
|
if (hWnd == nullptr)
|
|
hWnd = GetDesktopWindow();
|
|
|
|
BOOL ret;
|
|
nsRefPtr<IWPCWebSettings> wpcws;
|
|
if (SUCCEEDED(mPC->GetWebSettings(nullptr, getter_AddRefs(wpcws)))) {
|
|
wpcws->RequestURLOverride(hWnd, NS_ConvertUTF8toUTF16(spec).get(),
|
|
0, nullptr, &ret);
|
|
*_retval = ret;
|
|
}
|
|
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Override a web page
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::RequestURIOverrides(nsIArray *aTargets, nsIInterfaceRequestor *aWindowContext, bool *_retval)
|
|
{
|
|
*_retval = false;
|
|
|
|
if (!mEnabled)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
NS_ENSURE_ARG_POINTER(aTargets);
|
|
|
|
uint32_t arrayLength = 0;
|
|
aTargets->GetLength(&arrayLength);
|
|
if (!arrayLength)
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
if (arrayLength == 1) {
|
|
nsCOMPtr<nsIURI> uri = do_QueryElementAt(aTargets, 0);
|
|
if (!uri)
|
|
return NS_ERROR_INVALID_ARG;
|
|
return RequestURIOverride(uri, aWindowContext, _retval);
|
|
}
|
|
|
|
HWND hWnd = nullptr;
|
|
// If we have a native window, use its handle instead
|
|
nsCOMPtr<nsIWidget> widget(do_GetInterface(aWindowContext));
|
|
if (widget)
|
|
hWnd = (HWND)widget->GetNativeData(NS_NATIVE_WINDOW);
|
|
if (hWnd == nullptr)
|
|
hWnd = GetDesktopWindow();
|
|
|
|
// The first entry should be the root uri
|
|
nsAutoCString rootSpec;
|
|
nsCOMPtr<nsIURI> rootURI = do_QueryElementAt(aTargets, 0);
|
|
if (!rootURI)
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
rootURI->GetSpec(rootSpec);
|
|
if (rootSpec.IsEmpty())
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
// Allocate an array of sub uri
|
|
int32_t count = arrayLength - 1;
|
|
nsAutoArrayPtr<LPCWSTR> arrUrls(new LPCWSTR[count]);
|
|
if (!arrUrls)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
uint32_t uriIdx = 0, idx;
|
|
for (idx = 1; idx < arrayLength; idx++)
|
|
{
|
|
nsCOMPtr<nsIURI> uri = do_QueryElementAt(aTargets, idx);
|
|
if (!uri)
|
|
continue;
|
|
|
|
nsAutoCString subURI;
|
|
if (NS_FAILED(uri->GetSpec(subURI)))
|
|
continue;
|
|
|
|
arrUrls[uriIdx] = (LPCWSTR)UTF8ToNewUnicode(subURI); // allocation
|
|
if (!arrUrls[uriIdx])
|
|
continue;
|
|
|
|
uriIdx++;
|
|
}
|
|
|
|
if (!uriIdx)
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
BOOL ret;
|
|
nsRefPtr<IWPCWebSettings> wpcws;
|
|
if (SUCCEEDED(mPC->GetWebSettings(nullptr, getter_AddRefs(wpcws)))) {
|
|
wpcws->RequestURLOverride(hWnd, NS_ConvertUTF8toUTF16(rootSpec).get(),
|
|
uriIdx, (LPCWSTR*)arrUrls.get(), &ret);
|
|
*_retval = ret;
|
|
}
|
|
|
|
// Free up the allocated strings in our array
|
|
for (idx = 0; idx < uriIdx; idx++)
|
|
NS_Free((void*)arrUrls[idx]);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
// Sends a file download event to the Vista Event Log
|
|
void
|
|
nsParentalControlsService::LogFileDownload(bool blocked, nsIURI *aSource, nsIFile *aTarget)
|
|
{
|
|
nsAutoCString curi;
|
|
|
|
if (!gEventWrite)
|
|
return;
|
|
|
|
// Note, EventDataDescCreate is a macro defined in the headers, not a function
|
|
|
|
aSource->GetSpec(curi);
|
|
nsAutoString uri = NS_ConvertUTF8toUTF16(curi);
|
|
|
|
// Get the name of the currently running process
|
|
nsCOMPtr<nsIXULAppInfo> appInfo = do_GetService("@mozilla.org/xre/app-info;1");
|
|
nsAutoCString asciiAppName;
|
|
if (appInfo)
|
|
appInfo->GetName(asciiAppName);
|
|
nsAutoString appName = NS_ConvertUTF8toUTF16(asciiAppName);
|
|
|
|
static const WCHAR fill[] = L"";
|
|
|
|
// See wpcevent.h and msdn for event formats
|
|
EVENT_DATA_DESCRIPTOR eventData[WPC_ARGS_FILEDOWNLOADEVENT_CARGS];
|
|
DWORD dwBlocked = blocked;
|
|
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_URL], (const void*)uri.get(),
|
|
((ULONG)uri.Length()+1)*sizeof(WCHAR));
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_APPNAME], (const void*)appName.get(),
|
|
((ULONG)appName.Length()+1)*sizeof(WCHAR));
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_VERSION], (const void*)fill, sizeof(fill));
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_BLOCKED], (const void*)&dwBlocked,
|
|
sizeof(dwBlocked));
|
|
|
|
nsCOMPtr<nsILocalFileWin> local(do_QueryInterface(aTarget)); // May be null
|
|
if (local) {
|
|
nsAutoString path;
|
|
local->GetCanonicalPath(path);
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_PATH], (const void*)path.get(),
|
|
((ULONG)path.Length()+1)*sizeof(WCHAR));
|
|
}
|
|
else {
|
|
EventDataDescCreate(&eventData[WPC_ARGS_FILEDOWNLOADEVENT_PATH], (const void*)fill, sizeof(fill));
|
|
}
|
|
|
|
gEventWrite(mProvider, &WPCEVENT_WEB_FILEDOWNLOAD, ARRAYSIZE(eventData), eventData);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParentalControlsService::IsAllowed(int16_t aAction,
|
|
nsIURI *aUri,
|
|
bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|