gecko/embedding/browser/webBrowser/nsWebBrowserContentPolicy.cpp

99 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: ft=cpp tw=78 sw=4 et ts=8
*
* 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 "nsWebBrowserContentPolicy.h"
#include "nsIDocShell.h"
#include "nsCOMPtr.h"
#include "nsContentPolicyUtils.h"
nsWebBrowserContentPolicy::nsWebBrowserContentPolicy()
{
MOZ_COUNT_CTOR(nsWebBrowserContentPolicy);
}
nsWebBrowserContentPolicy::~nsWebBrowserContentPolicy()
{
MOZ_COUNT_DTOR(nsWebBrowserContentPolicy);
}
NS_IMPL_ISUPPORTS1(nsWebBrowserContentPolicy, nsIContentPolicy)
static nsresult
PerformPolicyCheck(PRUint32 contentType,
nsISupports *requestingContext,
PRInt16 *decision)
{
NS_PRECONDITION(decision, "Null out param");
*decision = nsIContentPolicy::ACCEPT;
nsIDocShell *shell = NS_CP_GetDocShellFromContext(requestingContext);
/* We're going to dereference shell, so make sure it isn't null */
if (!shell)
return NS_OK;
nsresult rv;
bool allowed = true;
switch (contentType) {
case nsIContentPolicy::TYPE_OBJECT:
rv = shell->GetAllowPlugins(&allowed);
break;
case nsIContentPolicy::TYPE_SCRIPT:
rv = shell->GetAllowJavascript(&allowed);
break;
case nsIContentPolicy::TYPE_SUBDOCUMENT:
rv = shell->GetAllowSubframes(&allowed);
break;
#if 0
/* XXXtw: commented out in old code; add during conpol phase 2 */
case nsIContentPolicy::TYPE_REFRESH:
rv = shell->GetAllowMetaRedirects(&allowed); /* meta _refresh_ */
break;
#endif
case nsIContentPolicy::TYPE_IMAGE:
rv = shell->GetAllowImages(&allowed);
break;
default:
return NS_OK;
}
if (NS_SUCCEEDED(rv) && !allowed) {
*decision = nsIContentPolicy::REJECT_TYPE;
}
return rv;
}
NS_IMETHODIMP
nsWebBrowserContentPolicy::ShouldLoad(PRUint32 contentType,
nsIURI *contentLocation,
nsIURI *requestingLocation,
nsISupports *requestingContext,
const nsACString &mimeGuess,
nsISupports *extra,
nsIPrincipal *requestPrincipal,
PRInt16 *shouldLoad)
{
return PerformPolicyCheck(contentType, requestingContext, shouldLoad);
}
NS_IMETHODIMP
nsWebBrowserContentPolicy::ShouldProcess(PRUint32 contentType,
nsIURI *contentLocation,
nsIURI *requestingLocation,
nsISupports *requestingContext,
const nsACString &mimeGuess,
nsISupports *extra,
nsIPrincipal *requestPrincipal,
PRInt16 *shouldProcess)
{
*shouldProcess = nsIContentPolicy::ACCEPT;
return NS_OK;
//LATER:
// return PerformPolicyCheck(contentType, requestingContext, shouldProcess);
}