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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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