blob: 2da151bed3a28f3a5c82e4890aed7d058ad8a35f [file] [log] [blame]
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NormalizeAlgorithm_h
#define NormalizeAlgorithm_h
#include "bindings/modules/v8/UnionTypesModules.h"
#include "modules/ModulesExport.h"
#include "public/platform/WebCrypto.h"
#include "public/platform/WebCryptoAlgorithm.h"
#include "public/platform/WebString.h"
#include "wtf/Allocator.h"
#include "wtf/Assertions.h"
#include "wtf/Forward.h"
namespace blink {
class Dictionary;
struct AlgorithmError {
STACK_ALLOCATED();
WebCryptoErrorType errorType;
WebString errorDetails;
};
typedef DictionaryOrString AlgorithmIdentifier;
// Converts a javascript AlgorithmIdentifier to a WebCryptoAlgorithm object.
//
// This corresponds with "normalizing" [1] the algorithm, and then validating
// the expected parameters for the algorithm/operation combination.
//
// On success returns true and sets the WebCryptoAlgorithm.
//
// On failure normalizeAlgorithm returns false and sets the AlgorithmError with
// a error type and a (non-localized) debug string.
//
// [1] http://www.w3.org/TR/WebCryptoAPI/#algorithm-normalizing-rules
MODULES_EXPORT bool normalizeAlgorithm(const AlgorithmIdentifier&, WebCryptoOperation, WebCryptoAlgorithm&, AlgorithmError*) WARN_UNUSED_RETURN;
} // namespace blink
#endif