Index: content/browser/manifest/manifest_manager_host.cc |
diff --git a/content/browser/manifest/manifest_manager_host.cc b/content/browser/manifest/manifest_manager_host.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d1bf2911272a0e9840695c92ade0ca64f9ce2512 |
--- /dev/null |
+++ b/content/browser/manifest/manifest_manager_host.cc |
@@ -0,0 +1,121 @@ |
+// Copyright 2014 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/manifest/manifest_manager_host.h" |
+ |
+#include "content/common/manifest_manager_messages.h" |
+#include "content/public/browser/render_frame_host.h" |
+#include "content/public/browser/render_process_host.h" |
+#include "content/public/common/manifest.h" |
+#include "content/public/common/result_codes.h" |
+ |
+namespace content { |
+ |
+namespace { |
+ |
+void KillRenderer(RenderFrameHost* render_frame_host) { |
+ base::ProcessHandle process_handle = |
+ render_frame_host->GetProcess()->GetHandle(); |
+ if (process_handle == base::kNullProcessHandle) |
+ return; |
+ base::KillProcess(process_handle, RESULT_CODE_KILLED_BAD_MESSAGE, false); |
+} |
+ |
+} // anonymous namespace |
+ |
+ManifestManagerHost::ManifestManagerHost(WebContents* web_contents) |
+ : WebContentsObserver(web_contents) { |
+} |
+ |
+ManifestManagerHost::~ManifestManagerHost() { |
+} |
+ |
+ManifestManagerHost::CallbackMap* ManifestManagerHost::GetCallbackMapForFrame( |
+ RenderFrameHost* render_frame_host) { |
+ FrameCallbackMap::iterator it = pending_callbacks_.find(render_frame_host); |
+ return it != pending_callbacks_.end() ? it->second : 0; |
+} |
+ |
+void ManifestManagerHost::RenderFrameDeleted( |
+ RenderFrameHost* render_frame_host) { |
+ CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); |
+ if (!callbacks) |
+ return; |
+ |
+ // Before deleting the callbacks, make sure they are called with a failure |
+ // state. |
+ CallbackMap::const_iterator it(callbacks); |
+ for (; !it.IsAtEnd(); it.Advance()) |
+ it.GetCurrentValue()->Run(Manifest()); |
+ |
+ pending_callbacks_.erase(render_frame_host); |
+} |
+ |
+void ManifestManagerHost::GetManifest(RenderFrameHost* render_frame_host, |
+ const GetManifestCallback& callback) { |
+ CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); |
+ if (!callbacks) { |
+ callbacks = new CallbackMap(); |
+ pending_callbacks_[render_frame_host] = callbacks; |
+ } |
+ |
+ int request_id = callbacks->Add(new GetManifestCallback(callback)); |
+ |
+ render_frame_host->Send(new ManifestManagerMsg_RequestManifest( |
+ render_frame_host->GetRoutingID(), request_id)); |
+} |
+ |
+bool ManifestManagerHost::OnMessageReceived( |
+ const IPC::Message& message, RenderFrameHost* render_frame_host) { |
+ bool handled = true; |
+ |
+ IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(ManifestManagerHost, message, |
+ render_frame_host) |
+ IPC_MESSAGE_HANDLER(ManifestManagerHostMsg_RequestManifestResponse, |
+ OnRequestManifestResponse) |
+ IPC_MESSAGE_UNHANDLED(handled = false) |
+ IPC_END_MESSAGE_MAP() |
+ |
+ return handled; |
+} |
+ |
+void ManifestManagerHost::OnRequestManifestResponse( |
+ RenderFrameHost* render_frame_host, |
+ int request_id, |
+ const Manifest& insecure_manifest) { |
+ CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); |
+ if (!callbacks) { |
+ DVLOG(1) << "Unexpected RequestManifestResponse to from renderer. " |
+ "Killing renderer."; |
+ KillRenderer(render_frame_host); |
+ return; |
+ } |
+ |
+ GetManifestCallback* callback = callbacks->Lookup(request_id); |
+ if (!callback) { |
+ DVLOG(1) << "Received a request_id (" << request_id << ") from renderer " |
+ "with no associated callback. Killing renderer."; |
+ KillRenderer(render_frame_host); |
+ return; |
+ } |
+ |
+ // When receiving a Manifest, the browser process can't trust that it is |
+ // coming from a known and secure source. It must be processed accordingly. |
+ Manifest manifest = insecure_manifest; |
+ manifest.name = base::NullableString16( |
+ manifest.name.string().substr(0, Manifest::kMaxIPCStringLength), |
+ manifest.name.is_null()); |
+ manifest.short_name = base::NullableString16( |
+ manifest.short_name.string().substr(0, Manifest::kMaxIPCStringLength), |
+ manifest.short_name.is_null()); |
+ |
+ callback->Run(manifest); |
+ callbacks->Remove(request_id); |
+ if (callbacks->IsEmpty()) { |
+ delete callbacks; |
+ pending_callbacks_.erase(render_frame_host); |
+ } |
+} |
+ |
+} // namespace content |