| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/frame_host/blocked_scheme_navigation_throttle.h" |
| |
| #include "base/feature_list.h" |
| #include "base/strings/stringprintf.h" |
| #include "build/build_config.h" |
| #include "content/browser/frame_host/frame_tree.h" |
| #include "content/browser/frame_host/frame_tree_node.h" |
| #include "content/browser/frame_host/navigation_handle_impl.h" |
| #include "content/public/browser/navigation_handle.h" |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/common/console_message_level.h" |
| #include "content/public/common/content_features.h" |
| #include "url/url_constants.h" |
| |
| namespace content { |
| |
| namespace { |
| const char kConsoleError[] = "Not allowed to navigate top frame to %s URL: %s"; |
| } |
| |
| BlockedSchemeNavigationThrottle::BlockedSchemeNavigationThrottle( |
| NavigationHandle* navigation_handle) |
| : NavigationThrottle(navigation_handle) {} |
| |
| BlockedSchemeNavigationThrottle::~BlockedSchemeNavigationThrottle() {} |
| |
| NavigationThrottle::ThrottleCheckResult |
| BlockedSchemeNavigationThrottle::WillProcessResponse() { |
| NavigationHandleImpl* handle = |
| static_cast<NavigationHandleImpl*>(navigation_handle()); |
| if (handle->IsDownload()) |
| return PROCEED; |
| |
| RenderFrameHost* top_frame = |
| handle->frame_tree_node()->frame_tree()->root()->current_frame_host(); |
| top_frame->AddMessageToConsole( |
| CONSOLE_MESSAGE_LEVEL_ERROR, |
| base::StringPrintf(kConsoleError, handle->GetURL().scheme().c_str(), |
| handle->GetURL().spec().c_str())); |
| return CANCEL; |
| } |
| |
| const char* BlockedSchemeNavigationThrottle::GetNameForLogging() { |
| return "BlockedSchemeNavigationThrottle"; |
| } |
| |
| // static |
| std::unique_ptr<NavigationThrottle> |
| BlockedSchemeNavigationThrottle::CreateThrottleForNavigation( |
| NavigationHandle* navigation_handle) { |
| if (navigation_handle->IsInMainFrame() && |
| navigation_handle->IsRendererInitiated() && |
| !navigation_handle->IsSameDocument() && |
| (navigation_handle->GetURL().SchemeIs(url::kDataScheme) || |
| navigation_handle->GetURL().SchemeIs(url::kFileSystemScheme)) && |
| !base::FeatureList::IsEnabled( |
| features::kAllowContentInitiatedDataUrlNavigations)) { |
| return std::make_unique<BlockedSchemeNavigationThrottle>(navigation_handle); |
| } |
| return nullptr; |
| } |
| |
| } // namespace content |