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| 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * |
| 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are |
| 6 * met: |
| 7 * |
| 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above |
| 11 * copyright notice, this list of conditions and the following disclaimer |
| 12 * in the documentation and/or other materials provided with the |
| 13 * distribution. |
| 14 * * Neither the name of Google Inc. nor the names of its |
| 15 * contributors may be used to endorse or promote products derived from |
| 16 * this software without specific prior written permission. |
| 17 * |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ |
| 30 |
| 31 #include "config.h" |
| 32 #include "modules/crypto/KeyOperation.h" |
| 33 |
| 34 #include "V8Key.h" // NOTE: This must appear before ScriptPromiseResolver to def
ine toV8() |
| 35 #include "bindings/v8/ExceptionState.h" |
| 36 #include "bindings/v8/ScriptPromiseResolver.h" |
| 37 #include "core/dom/ExceptionCode.h" |
| 38 #include "modules/crypto/Key.h" |
| 39 |
| 40 namespace WebCore { |
| 41 |
| 42 PassRefPtr<KeyOperation> KeyOperation::create() |
| 43 { |
| 44 return adoptRef(new KeyOperation); |
| 45 } |
| 46 |
| 47 KeyOperation::KeyOperation() |
| 48 : m_state(Initializing) |
| 49 , m_impl(0) |
| 50 , m_initializationError(0) |
| 51 { |
| 52 } |
| 53 |
| 54 KeyOperation::~KeyOperation() |
| 55 { |
| 56 ASSERT(!m_impl); |
| 57 } |
| 58 |
| 59 void KeyOperation::initializationFailed() |
| 60 { |
| 61 ASSERT(m_state == Initializing); |
| 62 ASSERT(!m_impl); |
| 63 |
| 64 m_initializationError = NotSupportedError; |
| 65 m_state = Done; |
| 66 } |
| 67 |
| 68 void KeyOperation::initializationSucceeded(WebKit::WebCryptoKeyOperation* operat
ionImpl) |
| 69 { |
| 70 ASSERT(m_state == Initializing); |
| 71 ASSERT(operationImpl); |
| 72 ASSERT(!m_impl); |
| 73 |
| 74 m_impl = operationImpl; |
| 75 m_state = InProgress; |
| 76 } |
| 77 |
| 78 void KeyOperation::completeWithError() |
| 79 { |
| 80 ASSERT(m_state == Initializing || m_state == InProgress); |
| 81 |
| 82 m_impl = 0; |
| 83 m_state = Done; |
| 84 |
| 85 promiseResolver()->reject(ScriptValue::createNull()); |
| 86 } |
| 87 |
| 88 void KeyOperation::completeWithKey(const WebKit::WebCryptoKey& key) |
| 89 { |
| 90 ASSERT(m_state == Initializing || m_state == InProgress); |
| 91 |
| 92 m_impl = 0; |
| 93 m_state = Done; |
| 94 |
| 95 promiseResolver()->fulfill(Key::create(key)); |
| 96 } |
| 97 |
| 98 void KeyOperation::ref() |
| 99 { |
| 100 ThreadSafeRefCounted<KeyOperation>::ref(); |
| 101 } |
| 102 |
| 103 void KeyOperation::deref() |
| 104 { |
| 105 ThreadSafeRefCounted<KeyOperation>::deref(); |
| 106 } |
| 107 |
| 108 ScriptObject KeyOperation::returnValue(ExceptionState& es) |
| 109 { |
| 110 ASSERT(m_state != Initializing); |
| 111 |
| 112 if (m_initializationError) { |
| 113 es.throwDOMException(m_initializationError); |
| 114 return ScriptObject(); |
| 115 } |
| 116 |
| 117 return promiseResolver()->promise(); |
| 118 } |
| 119 |
| 120 ScriptPromiseResolver* KeyOperation::promiseResolver() |
| 121 { |
| 122 if (!m_promiseResolver) |
| 123 m_promiseResolver = ScriptPromiseResolver::create(); |
| 124 return m_promiseResolver.get(); |
| 125 } |
| 126 |
| 127 } // namespace WebCore |
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