зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
3.5 KiB
C++
103 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: ft=cpp tw=78 sw=4 et ts=8
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsWebBrowserContentPolicy.h"
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#include "nsIDocShell.h"
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#include "nsCOMPtr.h"
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#include "nsContentPolicyUtils.h"
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#include "nsIContentViewer.h"
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nsWebBrowserContentPolicy::nsWebBrowserContentPolicy()
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{
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MOZ_COUNT_CTOR(nsWebBrowserContentPolicy);
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}
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nsWebBrowserContentPolicy::~nsWebBrowserContentPolicy()
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{
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MOZ_COUNT_DTOR(nsWebBrowserContentPolicy);
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}
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NS_IMPL_ISUPPORTS(nsWebBrowserContentPolicy, nsIContentPolicy)
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NS_IMETHODIMP
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nsWebBrowserContentPolicy::ShouldLoad(uint32_t contentType,
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nsIURI *contentLocation,
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nsIURI *requestingLocation,
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nsISupports *requestingContext,
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const nsACString &mimeGuess,
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nsISupports *extra,
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nsIPrincipal *requestPrincipal,
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int16_t *shouldLoad)
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{
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NS_PRECONDITION(shouldLoad, "Null out param");
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*shouldLoad = nsIContentPolicy::ACCEPT;
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nsIDocShell *shell = NS_CP_GetDocShellFromContext(requestingContext);
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/* We're going to dereference shell, so make sure it isn't null */
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if (!shell) {
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return NS_OK;
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}
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nsresult rv;
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bool allowed = true;
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switch (contentType) {
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case nsIContentPolicy::TYPE_SCRIPT:
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rv = shell->GetAllowJavascript(&allowed);
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break;
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case nsIContentPolicy::TYPE_SUBDOCUMENT:
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rv = shell->GetAllowSubframes(&allowed);
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break;
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#if 0
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/* XXXtw: commented out in old code; add during conpol phase 2 */
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case nsIContentPolicy::TYPE_REFRESH:
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rv = shell->GetAllowMetaRedirects(&allowed); /* meta _refresh_ */
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break;
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#endif
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case nsIContentPolicy::TYPE_IMAGE:
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rv = shell->GetAllowImages(&allowed);
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break;
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default:
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return NS_OK;
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}
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if (NS_SUCCEEDED(rv) && !allowed) {
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*shouldLoad = nsIContentPolicy::REJECT_TYPE;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsWebBrowserContentPolicy::ShouldProcess(uint32_t contentType,
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nsIURI *contentLocation,
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nsIURI *requestingLocation,
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nsISupports *requestingContext,
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const nsACString &mimeGuess,
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nsISupports *extra,
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nsIPrincipal *requestPrincipal,
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int16_t *shouldProcess)
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{
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NS_PRECONDITION(shouldProcess, "Null out param");
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*shouldProcess = nsIContentPolicy::ACCEPT;
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// Object tags will always open channels with TYPE_OBJECT, but may end up
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// loading with TYPE_IMAGE or TYPE_DOCUMENT as their final type, so we block
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// actual-plugins at the process stage
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if (contentType != nsIContentPolicy::TYPE_OBJECT) {
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return NS_OK;
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}
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nsIDocShell *shell = NS_CP_GetDocShellFromContext(requestingContext);
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if (shell && (!shell->PluginsAllowedInCurrentDoc())) {
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*shouldProcess = nsIContentPolicy::REJECT_TYPE;
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}
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return NS_OK;
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}
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