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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/browser/manifest/manifest_manager_host.h" | |
6 | |
7 #include "content/common/manifest_manager_messages.h" | |
8 #include "content/public/browser/render_frame_host.h" | |
9 #include "content/public/common/manifest.h" | |
10 | |
11 namespace content { | |
12 | |
13 ManifestManagerHost::ManifestManagerHost(WebContents* web_contents) | |
14 : WebContentsObserver(web_contents) { | |
15 } | |
16 | |
17 ManifestManagerHost::~ManifestManagerHost() { | |
18 } | |
19 | |
20 ManifestManagerHost::CallbackMap* ManifestManagerHost::GetCallbackMapForFrame( | |
21 RenderFrameHost* render_frame_host) { | |
22 FrameCallbackMap::iterator it = pending_callbacks_.find(render_frame_host); | |
23 return it != pending_callbacks_.end() ? it->second : 0; | |
24 } | |
25 | |
26 void ManifestManagerHost::RenderFrameDeleted( | |
27 RenderFrameHost* render_frame_host) { | |
28 CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); | |
29 if (!callbacks) | |
30 return; | |
31 | |
32 // Before deleting the callbacks, make sure they are called with a failure | |
33 // state. | |
34 CallbackMap::const_iterator it(callbacks); | |
35 for (; !it.IsAtEnd(); it.Advance()) | |
36 it.GetCurrentValue()->Run(Manifest()); | |
37 | |
38 pending_callbacks_.erase(render_frame_host); | |
39 } | |
40 | |
41 void ManifestManagerHost::GetManifest(RenderFrameHost* render_frame_host, | |
42 const GetManifestCallback& callback) { | |
43 CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); | |
44 if (!callbacks) { | |
45 callbacks = new CallbackMap(); | |
46 pending_callbacks_[render_frame_host] = callbacks; | |
47 } | |
48 | |
49 int request_id = callbacks->Add(new GetManifestCallback(callback)); | |
50 | |
51 render_frame_host->Send(new ManifestManagerMsg_RequestManifest( | |
52 render_frame_host->GetRoutingID(), request_id)); | |
53 } | |
54 | |
55 bool ManifestManagerHost::OnMessageReceived( | |
56 const IPC::Message& message, RenderFrameHost* render_frame_host) { | |
57 bool handled = true; | |
58 | |
59 IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(ManifestManagerHost, message, | |
60 render_frame_host) | |
61 IPC_MESSAGE_HANDLER(ManifestManagerHostMsg_RequestManifestResponse, | |
62 OnRequestManifestResponse) | |
63 IPC_MESSAGE_UNHANDLED(handled = false) | |
64 IPC_END_MESSAGE_MAP() | |
65 | |
66 return handled; | |
67 } | |
68 | |
69 void ManifestManagerHost::OnRequestManifestResponse( | |
70 RenderFrameHost* render_frame_host, | |
71 int request_id, | |
72 const Manifest& insecure_manifest) { | |
73 CallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host); | |
74 if (!callbacks) { | |
75 LOG(ERROR) << "Unexpected ManifestResponse to RenderFrameHost."; | |
jochen (gone - plz use gerrit)
2014/09/16 14:41:39
DVLOG(1) should be enough
mlamouri (slow - plz ping)
2014/09/16 15:32:36
Done.
| |
76 return; | |
77 } | |
78 | |
79 GetManifestCallback* callback = callbacks->Lookup(request_id); | |
80 if (!callback) { | |
81 LOG(ERROR) << "Received a request_id (" << request_id << ") from renderer " | |
jochen (gone - plz use gerrit)
2014/09/16 14:41:39
DVLOG(1). Also kill the renderer because an invali
mlamouri (slow - plz ping)
2014/09/16 15:32:36
Done. I've added some code to kill the renderer in
| |
82 "with no associated callback."; | |
83 return; | |
84 } | |
85 | |
86 // When receiving a Manifest, the browser process can't trust that it is | |
87 // coming from a known and secure source. It must be processed accordingly. | |
88 Manifest manifest = insecure_manifest; | |
89 manifest.name = base::NullableString16( | |
90 manifest.name.string().substr(0, Manifest::kMaxIPCStringLength), | |
91 manifest.name.is_null()); | |
92 manifest.short_name = base::NullableString16( | |
93 manifest.short_name.string().substr(0, Manifest::kMaxIPCStringLength), | |
94 manifest.short_name.is_null()); | |
95 | |
96 callback->Run(manifest); | |
97 callbacks->Remove(request_id); | |
98 if (callbacks->IsEmpty()) { | |
99 delete callbacks; | |
100 pending_callbacks_.erase(render_frame_host); | |
101 } | |
102 } | |
103 | |
104 } // namespace content | |
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