1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
// 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;
render_frame_host->GetProcess()->Shutdown(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. Do this in a block so the iterator is destroyed before |callbacks|.
{
CallbackMap::const_iterator it(callbacks);
for (; !it.IsAtEnd(); it.Advance())
it.GetCurrentValue()->Run(Manifest());
}
delete callbacks;
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());
if (!manifest.start_url.is_valid())
manifest.start_url = GURL();
for (size_t i = 0; i < manifest.icons.size(); ++i) {
if (!manifest.icons[i].src.is_valid())
manifest.icons[i].src = GURL();
manifest.icons[i].type = base::NullableString16(
manifest.icons[i].type.string().substr(0,
Manifest::kMaxIPCStringLength),
manifest.icons[i].type.is_null());
}
manifest.gcm_sender_id = base::NullableString16(
manifest.gcm_sender_id.string().substr(
0, Manifest::kMaxIPCStringLength),
manifest.gcm_sender_id.is_null());
callback->Run(manifest);
callbacks->Remove(request_id);
if (callbacks->IsEmpty()) {
delete callbacks;
pending_callbacks_.erase(render_frame_host);
}
}
} // namespace content
|
