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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/CryptoOperation.h" | |
| 33 | |
| 34 #include "bindings/v8/ExceptionState.h" | |
| 35 #include "bindings/v8/custom/V8ArrayBufferCustom.h" // MUST precede ScriptPromis
eResolver for compilation to work. | |
| 36 #include "bindings/v8/ScriptPromiseResolver.h" | |
| 37 #include "core/dom/ExceptionCode.h" | |
| 38 #include "modules/crypto/Algorithm.h" | |
| 39 #include "public/platform/WebArrayBuffer.h" | |
| 40 #include "public/platform/WebCrypto.h" | |
| 41 #include "wtf/ArrayBuffer.h" | |
| 42 #include "wtf/ArrayBufferView.h" | |
| 43 | |
| 44 namespace WebCore { | |
| 45 | |
| 46 CryptoOperationImpl::CryptoOperationImpl() | |
| 47 : m_state(Initializing) | |
| 48 , m_impl(0) | |
| 49 , m_initializationError(0) | |
| 50 { | |
| 51 } | |
| 52 | |
| 53 bool CryptoOperationImpl::throwInitializationError(ExceptionState& es) | |
| 54 { | |
| 55 ASSERT(m_state != Initializing); | |
| 56 | |
| 57 if (m_initializationError) { | |
| 58 es.throwDOMException(m_initializationError); | |
| 59 return true; | |
| 60 } | |
| 61 return false; | |
| 62 } | |
| 63 | |
| 64 ScriptObject CryptoOperationImpl::finish() | |
| 65 { | |
| 66 switch (m_state) { | |
| 67 case Initializing: | |
| 68 ASSERT_NOT_REACHED(); | |
| 69 return ScriptObject(); | |
| 70 case Processing: | |
| 71 m_state = Finishing; | |
| 72 // NOTE: The following line can result in re-entrancy to |this| | |
| 73 m_impl->finish(); | |
| 74 break; | |
| 75 case Finishing: | |
| 76 // Calling finish() twice is a no-op. | |
| 77 break; | |
| 78 case Done: | |
| 79 // Calling finish() after already complete is a no-op. | |
| 80 ASSERT(!m_impl); | |
| 81 break; | |
| 82 } | |
| 83 | |
| 84 return promiseResolver()->promise(); | |
| 85 } | |
| 86 | |
| 87 void CryptoOperationImpl::initializationFailed() | |
| 88 { | |
| 89 ASSERT(m_state == Initializing); | |
| 90 | |
| 91 m_initializationError = NotSupportedError; | |
| 92 m_state = Done; | |
| 93 } | |
| 94 | |
| 95 void CryptoOperationImpl::initializationSucceeded(WebKit::WebCryptoOperation* op
erationImpl) | |
| 96 { | |
| 97 ASSERT(m_state == Initializing); | |
| 98 ASSERT(operationImpl); | |
| 99 ASSERT(!m_impl); | |
| 100 | |
| 101 m_impl = operationImpl; | |
| 102 m_state = Processing; | |
| 103 } | |
| 104 | |
| 105 void CryptoOperationImpl::completeWithError() | |
| 106 { | |
| 107 ASSERT(m_state == Processing || m_state == Finishing); | |
| 108 | |
| 109 m_impl = 0; | |
| 110 m_state = Done; | |
| 111 promiseResolver()->reject(ScriptValue::createNull()); | |
| 112 } | |
| 113 | |
| 114 void CryptoOperationImpl::completeWithArrayBuffer(const WebKit::WebArrayBuffer&
buffer) | |
| 115 { | |
| 116 ASSERT(m_state == Processing || m_state == Finishing); | |
| 117 | |
| 118 m_impl = 0; | |
| 119 m_state = Done; | |
| 120 promiseResolver()->fulfill(PassRefPtr<ArrayBuffer>(buffer)); | |
| 121 } | |
| 122 | |
| 123 void CryptoOperationImpl::completeWithBoolean(bool b) | |
| 124 { | |
| 125 ASSERT(m_state == Processing || m_state == Finishing); | |
| 126 | |
| 127 m_impl = 0; | |
| 128 m_state = Done; | |
| 129 promiseResolver()->fulfill(ScriptValue::createBoolean(b)); | |
| 130 } | |
| 131 | |
| 132 void CryptoOperationImpl::process(const void* bytes, size_t size) | |
| 133 { | |
| 134 switch (m_state) { | |
| 135 case Initializing: | |
| 136 ASSERT_NOT_REACHED(); | |
| 137 case Processing: | |
| 138 m_impl->process(reinterpret_cast<const unsigned char*>(bytes), size); | |
| 139 break; | |
| 140 case Finishing: | |
| 141 case Done: | |
| 142 return; | |
| 143 } | |
| 144 } | |
| 145 | |
| 146 ScriptObject CryptoOperationImpl::abort() | |
| 147 { | |
| 148 switch (m_state) { | |
| 149 case Initializing: | |
| 150 ASSERT_NOT_REACHED(); | |
| 151 break; | |
| 152 case Processing: | |
| 153 case Finishing: | |
| 154 // This will cause m_impl to be deleted. | |
| 155 m_state = Done; | |
| 156 m_impl->abort(); | |
| 157 m_impl = 0; | |
| 158 promiseResolver()->reject(ScriptValue::createNull()); | |
| 159 case Done: | |
| 160 ASSERT(!m_impl); | |
| 161 break; | |
| 162 } | |
| 163 | |
| 164 return promiseResolver()->promise(); | |
| 165 } | |
| 166 | |
| 167 void CryptoOperationImpl::detach() | |
| 168 { | |
| 169 switch (m_state) { | |
| 170 case Initializing: | |
| 171 ASSERT_NOT_REACHED(); | |
| 172 break; | |
| 173 case Processing: | |
| 174 // If the operation has not been finished yet, it has no way of being | |
| 175 // finished now that the CryptoOperation is gone. | |
| 176 m_state = Done; | |
| 177 m_impl->abort(); | |
| 178 m_impl = 0; | |
| 179 case Finishing: | |
| 180 case Done: | |
| 181 break; | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 void CryptoOperationImpl::ref() | |
| 186 { | |
| 187 ThreadSafeRefCounted<CryptoOperationImpl>::ref(); | |
| 188 } | |
| 189 | |
| 190 void CryptoOperationImpl::deref() | |
| 191 { | |
| 192 ThreadSafeRefCounted<CryptoOperationImpl>::deref(); | |
| 193 } | |
| 194 | |
| 195 ScriptPromiseResolver* CryptoOperationImpl::promiseResolver() | |
| 196 { | |
| 197 if (!m_promiseResolver) | |
| 198 m_promiseResolver = ScriptPromiseResolver::create(); | |
| 199 return m_promiseResolver.get(); | |
| 200 } | |
| 201 | |
| 202 CryptoOperation::~CryptoOperation() | |
| 203 { | |
| 204 m_impl->detach(); | |
| 205 } | |
| 206 | |
| 207 PassRefPtr<CryptoOperation> CryptoOperation::create(const WebKit::WebCryptoAlgor
ithm& algorithm, CryptoOperationImpl* impl) | |
| 208 { | |
| 209 return adoptRef(new CryptoOperation(algorithm, impl)); | |
| 210 } | |
| 211 | |
| 212 CryptoOperation::CryptoOperation(const WebKit::WebCryptoAlgorithm& algorithm, Cr
yptoOperationImpl* impl) | |
| 213 : m_algorithm(algorithm) | |
| 214 , m_impl(impl) | |
| 215 { | |
| 216 ASSERT(impl); | |
| 217 ScriptWrappable::init(this); | |
| 218 } | |
| 219 | |
| 220 CryptoOperation* CryptoOperation::process(ArrayBuffer* data) | |
| 221 { | |
| 222 m_impl->process(data->data(), data->byteLength()); | |
| 223 return this; | |
| 224 } | |
| 225 | |
| 226 CryptoOperation* CryptoOperation::process(ArrayBufferView* data) | |
| 227 { | |
| 228 m_impl->process(data->baseAddress(), data->byteLength()); | |
| 229 return this; | |
| 230 } | |
| 231 | |
| 232 ScriptObject CryptoOperation::finish() | |
| 233 { | |
| 234 return m_impl->finish(); | |
| 235 } | |
| 236 | |
| 237 ScriptObject CryptoOperation::abort() | |
| 238 { | |
| 239 return m_impl->abort(); | |
| 240 } | |
| 241 | |
| 242 Algorithm* CryptoOperation::algorithm() | |
| 243 { | |
| 244 if (!m_algorithmNode) | |
| 245 m_algorithmNode = Algorithm::create(m_algorithm); | |
| 246 return m_algorithmNode.get(); | |
| 247 } | |
| 248 | |
| 249 } // namespace WebCore | |
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Chromium Code Reviews
Issue 23164012:
WebCrypto: Remove support for multi-part operations. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk