Refactor WebCrypto code

content/child/webcrypto/nss/key_nss.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/child/webcrypto/nss/key_nss.h"
+
+#include "content/child/webcrypto/crypto_data.h"
+#include "content/child/webcrypto/status.h"
+#include "content/child/webcrypto/webcrypto_util.h"
+
+namespace content {
+
+namespace webcrypto {
+
+KeyNss::KeyNss(const CryptoData& serialized_key_data)
+    : serialized_key_data_(
+          serialized_key_data.bytes(),
+          serialized_key_data.bytes() + serialized_key_data.byte_length()) {
+}
+
+KeyNss::~KeyNss() {
+}
+
+SymKeyNss* KeyNss::AsSymKey() {
+  return NULL;
+}
+
+PublicKeyNss* KeyNss::AsPublicKey() {
+  return NULL;
+}
+
+PrivateKeyNss* KeyNss::AsPrivateKey() {
+  return NULL;
+}
+
+SymKeyNss::~SymKeyNss() {
+}
+
+SymKeyNss* SymKeyNss::Cast(const blink::WebCryptoKey& key) {
+  KeyNss* platform_key = reinterpret_cast<KeyNss*>(key.handle());
+  return platform_key->AsSymKey();
+}
+
+SymKeyNss* SymKeyNss::AsSymKey() {
+  return this;
+}
+
+SymKeyNss::SymKeyNss(crypto::ScopedPK11SymKey key,
+                     const CryptoData& raw_key_data)
+    : KeyNss(raw_key_data), key_(key.Pass()) {
+}
+
+PublicKeyNss::~PublicKeyNss() {
+}
+
+PublicKeyNss* PublicKeyNss::Cast(const blink::WebCryptoKey& key) {
+  KeyNss* platform_key = reinterpret_cast<KeyNss*>(key.handle());
+  return platform_key->AsPublicKey();
+}
+
+PublicKeyNss* PublicKeyNss::AsPublicKey() {
+  return this;
+}
+
+PublicKeyNss::PublicKeyNss(crypto::ScopedSECKEYPublicKey key,
+                           const CryptoData& spki_data)
+    : KeyNss(spki_data), key_(key.Pass()) {
+}
+
+PrivateKeyNss::~PrivateKeyNss() {
+}
+
+PrivateKeyNss* PrivateKeyNss::Cast(const blink::WebCryptoKey& key) {
+  KeyNss* platform_key = reinterpret_cast<KeyNss*>(key.handle());
+  return platform_key->AsPrivateKey();
+}
+
+PrivateKeyNss* PrivateKeyNss::AsPrivateKey() {
+  return this;
+}
+
+PrivateKeyNss::PrivateKeyNss(crypto::ScopedSECKEYPrivateKey key,
+                             const CryptoData& pkcs8_data)
+    : KeyNss(pkcs8_data), key_(key.Pass()) {
+}
+
+bool PlatformSerializeKeyForClone(const blink::WebCryptoKey& key,
+                                  blink::WebVector<uint8>* key_data) {
+  const KeyNss* nss_key = static_cast<KeyNss*>(key.handle());
+  *key_data = nss_key->serialized_key_data();
+  return true;
+}
+
+}  // namespace webcrypto
+
+}  // namespace content