forked from mirrors/gecko-dev
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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}
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nsWebBrowserContentPolicy::~nsWebBrowserContentPolicy()
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{
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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(nsIURI* aContentLocation,
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nsILoadInfo* aLoadInfo,
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const nsACString& aMimeGuess,
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int16_t* aShouldLoad)
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{
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NS_PRECONDITION(aShouldLoad, "Null out param");
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uint32_t aContentType = aLoadInfo->GetExternalContentPolicyType();
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nsCOMPtr<nsISupports> aRequestingContext = aLoadInfo->GetLoadingContext();
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MOZ_ASSERT(aContentType == nsContentUtils::InternalContentPolicyTypeToExternal(aContentType),
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"We should only see external content policy types here.");
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*aShouldLoad = nsIContentPolicy::ACCEPT;
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nsIDocShell* shell = NS_CP_GetDocShellFromContext(aRequestingContext);
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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 (aContentType) {
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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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case nsIContentPolicy::TYPE_IMAGESET:
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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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*aShouldLoad = 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(nsIURI* aContentLocation,
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nsILoadInfo* aLoadInfo,
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const nsACString& aMimeGuess,
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int16_t* aShouldProcess)
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{
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NS_PRECONDITION(aShouldProcess, "Null out param");
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uint32_t aContentType = aLoadInfo->GetExternalContentPolicyType();
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nsCOMPtr<nsISupports> aRequestingContext = aLoadInfo->GetLoadingContext();
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MOZ_ASSERT(aContentType == nsContentUtils::InternalContentPolicyTypeToExternal(aContentType),
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"We should only see external content policy types here.");
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*aShouldProcess = 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 (aContentType != nsIContentPolicy::TYPE_OBJECT) {
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return NS_OK;
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}
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nsIDocShell* shell = NS_CP_GetDocShellFromContext(aRequestingContext);
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if (shell && (!shell->PluginsAllowedInCurrentDoc())) {
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*aShouldProcess = nsIContentPolicy::REJECT_TYPE;
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}
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return NS_OK;
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}
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