third_party/WebKit/Source/web/WebCryptoNormalize.cpp

   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 "public/web/WebCryptoNormalize.h"
  33
  34 #include "bindings/core/v8/Dictionary.h"
  35 #include "bindings/core/v8/ExceptionState.h"
  36 #include "modules/crypto/CryptoResultImpl.h"
  37 #include "modules/crypto/NormalizeAlgorithm.h"
  38 #include "platform/CryptoResult.h"
  39 #include "public/platform/WebString.h"
  40 #include <v8.h>
  41
  42 namespace blink {
  43
  44 WebCryptoAlgorithm normalizeCryptoAlgorithm(v8::Local<v8::Object> algorithmObject, WebCryptoOperation operation, int* exceptionCode, WebString* errorDetails, v8::Isolate* isolate)
  45 {
  46     // FIXME: Avoid using NonThrowableExceptionState.
  47     NonThrowableExceptionState exceptionState;
  48     Dictionary algorithmDictionary(algorithmObject, isolate, exceptionState);
  49     if (!algorithmDictionary.isUndefinedOrNull() && !algorithmDictionary.isObject())
  50         return WebCryptoAlgorithm();
  51     WebCryptoAlgorithm algorithm;
  52     AlgorithmError error;
  53     AlgorithmIdentifier algorithmIdentifier;
  54     algorithmIdentifier.setDictionary(algorithmDictionary);
  55     if (!normalizeAlgorithm(algorithmIdentifier, operation, algorithm, &error)) {
  56         *exceptionCode = webCryptoErrorToExceptionCode(error.errorType);
  57         *errorDetails = error.errorDetails;
  58         return WebCryptoAlgorithm();
  59     }
  60
  61     return algorithm;
  62 }
  63
  64 } // namespace blink