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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 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 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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