third_party/WebKit/Source/platform/exported/WebCryptoKey.cpp

/*
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#include "public/platform/WebCryptoKey.h"

#include <memory>
#include "platform/wtf/PtrUtil.h"
#include "platform/wtf/ThreadSafeRefCounted.h"
#include "public/platform/WebCryptoAlgorithm.h"
#include "public/platform/WebCryptoAlgorithmParams.h"
#include "public/platform/WebCryptoKeyAlgorithm.h"

namespace blink {

class WebCryptoKeyPrivate : public ThreadSafeRefCounted<WebCryptoKeyPrivate> {
 public:
  WebCryptoKeyPrivate(std::unique_ptr<WebCryptoKeyHandle> handle,
                      WebCryptoKeyType type,
                      bool extractable,
                      const WebCryptoKeyAlgorithm& algorithm,
                      WebCryptoKeyUsageMask usages)
      : handle(std::move(handle)),
        type(type),
        extractable(extractable),
        algorithm(algorithm),
        usages(usages) {
    DCHECK(!algorithm.IsNull());
  }

  const std::unique_ptr<WebCryptoKeyHandle> handle;
  const WebCryptoKeyType type;
  const bool extractable;
  const WebCryptoKeyAlgorithm algorithm;
  const WebCryptoKeyUsageMask usages;
};

WebCryptoKey WebCryptoKey::Create(WebCryptoKeyHandle* handle,
                                  WebCryptoKeyType type,
                                  bool extractable,
                                  const WebCryptoKeyAlgorithm& algorithm,
                                  WebCryptoKeyUsageMask usages) {
  WebCryptoKey key;
  key.private_ = base::AdoptRef(new WebCryptoKeyPrivate(
      WTF::WrapUnique(handle), type, extractable, algorithm, usages));
  return key;
}

WebCryptoKey WebCryptoKey::CreateNull() {
  return WebCryptoKey();
}

WebCryptoKeyHandle* WebCryptoKey::Handle() const {
  DCHECK(!IsNull());
  return private_->handle.get();
}

WebCryptoKeyType WebCryptoKey::GetType() const {
  DCHECK(!IsNull());
  return private_->type;
}

bool WebCryptoKey::Extractable() const {
  DCHECK(!IsNull());
  return private_->extractable;
}

const WebCryptoKeyAlgorithm& WebCryptoKey::Algorithm() const {
  DCHECK(!IsNull());
  return private_->algorithm;
}

WebCryptoKeyUsageMask WebCryptoKey::Usages() const {
  DCHECK(!IsNull());
  return private_->usages;
}

bool WebCryptoKey::IsNull() const {
  return private_.IsNull();
}

bool WebCryptoKey::KeyUsageAllows(const blink::WebCryptoKeyUsage usage) const {
  return ((private_->usages & usage) != 0);
}

void WebCryptoKey::Assign(const WebCryptoKey& other) {
  private_ = other.private_;
}

void WebCryptoKey::Reset() {
  private_.Reset();
}

}  // namespace blink