gecko-dev/embedding/browser/webBrowser/nsWebBrowserContentPolicy.cpp

129 строки
4.7 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
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is embedding content-control code.
*
* The Initial Developer of the Original Code is
* Mike Shaver.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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;
PRBool allowed = PR_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,
PRInt16 *shouldLoad)
{
return PerformPolicyCheck(contentType, requestingContext, shouldLoad);
}
NS_IMETHODIMP
nsWebBrowserContentPolicy::ShouldProcess(PRUint32 contentType,
nsIURI *contentLocation,
nsIURI *requestingLocation,
nsISupports *requestingContext,
const nsACString &mimeGuess,
nsISupports *extra,
PRInt16 *shouldProcess)
{
*shouldProcess = nsIContentPolicy::ACCEPT;
return NS_OK;
//LATER:
// return PerformPolicyCheck(contentType, requestingContext, shouldProcess);
}