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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 | 29 |
30 #include "config.h" | 30 #include "config.h" |
31 #include "modules/crypto/Crypto.h" | 31 #include "modules/crypto/Crypto.h" |
32 | 32 |
33 #include "bindings/v8/ExceptionState.h" | |
34 #include "core/dom/ExceptionCode.h" | 33 #include "core/dom/ExceptionCode.h" |
35 #include "wtf/ArrayBufferView.h" | 34 #include "wtf/ArrayBufferView.h" |
36 #include "wtf/CryptographicallyRandomNumber.h" | 35 #include "wtf/CryptographicallyRandomNumber.h" |
37 | 36 |
38 namespace WebCore { | 37 namespace WebCore { |
39 | 38 |
40 namespace { | 39 namespace { |
41 | 40 |
42 bool isIntegerArray(ArrayBufferView* array) | 41 bool isIntegerArray(ArrayBufferView* array) |
43 { | 42 { |
44 ArrayBufferView::ViewType type = array->getType(); | 43 ArrayBufferView::ViewType type = array->getType(); |
45 return type == ArrayBufferView::TypeInt8 | 44 return type == ArrayBufferView::TypeInt8 |
46 || type == ArrayBufferView::TypeUint8 | 45 || type == ArrayBufferView::TypeUint8 |
47 || type == ArrayBufferView::TypeUint8Clamped | 46 || type == ArrayBufferView::TypeUint8Clamped |
48 || type == ArrayBufferView::TypeInt16 | 47 || type == ArrayBufferView::TypeInt16 |
49 || type == ArrayBufferView::TypeUint16 | 48 || type == ArrayBufferView::TypeUint16 |
50 || type == ArrayBufferView::TypeInt32 | 49 || type == ArrayBufferView::TypeInt32 |
51 || type == ArrayBufferView::TypeUint32; | 50 || type == ArrayBufferView::TypeUint32; |
52 } | 51 } |
53 | 52 |
54 } | 53 } |
55 | 54 |
56 Crypto::Crypto() | 55 Crypto::Crypto() |
57 { | 56 { |
58 ScriptWrappable::init(this); | 57 ScriptWrappable::init(this); |
59 } | 58 } |
60 | 59 |
61 // Note: This implementation must be thread-safe, as it is used by workers. | 60 // Note: This implementation must be thread-safe, as it is used by workers. |
62 void Crypto::getRandomValues(ArrayBufferView* array, ExceptionState& es) | 61 void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec) |
63 { | 62 { |
64 if (!array || !isIntegerArray(array)) { | 63 if (!array || !isIntegerArray(array)) { |
65 es.throwDOMException(TypeMismatchError); | 64 ec = TypeMismatchError; |
66 return; | 65 return; |
67 } | 66 } |
68 if (array->byteLength() > 65536) { | 67 if (array->byteLength() > 65536) { |
69 es.throwDOMException(QuotaExceededError); | 68 ec = QuotaExceededError; |
70 return; | 69 return; |
71 } | 70 } |
72 cryptographicallyRandomValues(array->baseAddress(), array->byteLength()); | 71 cryptographicallyRandomValues(array->baseAddress(), array->byteLength()); |
73 } | 72 } |
74 | 73 |
75 SubtleCrypto* Crypto::subtle() | 74 SubtleCrypto* Crypto::subtle() |
76 { | 75 { |
77 if (!m_subtleCrypto) | 76 if (!m_subtleCrypto) |
78 m_subtleCrypto = SubtleCrypto::create(); | 77 m_subtleCrypto = SubtleCrypto::create(); |
79 return m_subtleCrypto.get(); | 78 return m_subtleCrypto.get(); |
80 } | 79 } |
81 | 80 |
82 } | 81 } |
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