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1 // Copyright (c) 2006-2008 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 "base/clipboard.h" | |
6 | |
7 #include "base/gfx/size.h" | |
8 #include "base/logging.h" | |
9 | |
10 namespace { | |
11 | |
12 // A compromised renderer could send us bad data, so validate it. | |
13 bool IsBitmapSafe(const Clipboard::ObjectMapParams& params) { | |
14 const gfx::Size* size = | |
15 reinterpret_cast<const gfx::Size*>(&(params[1].front())); | |
16 return params[0].size() == | |
17 static_cast<size_t>(size->width() * size->height() * 4); | |
18 } | |
19 | |
20 } // namespace | |
21 | |
22 void Clipboard::DispatchObject(ObjectType type, const ObjectMapParams& params) { | |
23 switch (type) { | |
24 case CBF_TEXT: | |
25 WriteText(&(params[0].front()), params[0].size()); | |
26 break; | |
27 | |
28 case CBF_HTML: | |
29 if (params.size() == 2) | |
30 WriteHTML(&(params[0].front()), params[0].size(), | |
31 &(params[1].front()), params[1].size()); | |
32 else | |
33 WriteHTML(&(params[0].front()), params[0].size(), NULL, 0); | |
34 break; | |
35 | |
36 case CBF_BOOKMARK: | |
37 WriteBookmark(&(params[0].front()), params[0].size(), | |
38 &(params[1].front()), params[1].size()); | |
39 break; | |
40 | |
41 case CBF_FILES: | |
42 WriteFiles(&(params[0].front()), params[0].size()); | |
43 break; | |
44 | |
45 case CBF_WEBKIT: | |
46 WriteWebSmartPaste(); | |
47 break; | |
48 | |
49 #if defined(OS_WIN) || defined(OS_LINUX) | |
50 case CBF_BITMAP: | |
51 if (!IsBitmapSafe(params)) | |
52 return; | |
53 WriteBitmap(&(params[0].front()), &(params[1].front())); | |
54 break; | |
55 | |
56 case CBF_DATA: | |
57 WriteData(&(params[0].front()), params[0].size(), | |
58 &(params[1].front()), params[1].size()); | |
59 break; | |
60 #endif // defined(OS_WIN) || defined(OS_LINUX) | |
61 | |
62 default: | |
63 NOTREACHED(); | |
64 } | |
65 } | |
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