*WIP* Store NSS slots per profile. Move keygen to chrome.

chrome/browser/net/nss_slot_factory.cc

+// Copyright (c) 2013 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 "chrome/browser/net/nss_slot_factory.h"
+
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+#include "crypto/nss_util_internal.h"
+
+namespace {
+
+class NSSSlotService : public BrowserContextKeyedService {
+ public:
+  explicit NSSSlotService(content::BrowserContext* context);
+
+  crypto::ScopedPK11Slot GetPublicNSSKeySlot();
+  crypto::ScopedPK11Slot GetPrivateNSSKeySlot();
+
+ private:
+  crypto::ScopedPK11Slot public_slot_;
+  crypto::ScopedPK11Slot private_slot_;
+
+  DISALLOW_COPY_AND_ASSIGN(NSSSlotService);
+};
+
+NSSSlotService::NSSSlotService(content::BrowserContext* context) {
+  // TODO: #ifdef OS_CHROMEOS
+  // load public slot using context->GetPath().
+  // load private slot using ??? (dbus call to cryptohomed?)
+  // #else
+  public_slot_.reset(crypto::GetPublicNSSKeySlot());
+  private_slot_.reset(crypto::GetPrivateNSSKeySlot());
+}
+
+crypto::ScopedPK11Slot NSSSlotService::GetPublicNSSKeySlot() {
+  return crypto::ScopedPK11Slot(PK11_ReferenceSlot(public_slot_.get()));
+}
+
+crypto::ScopedPK11Slot NSSSlotService::GetPrivateNSSKeySlot() {
+  return crypto::ScopedPK11Slot(PK11_ReferenceSlot(private_slot_.get()));
+}
+
+}  // namespace
+
+// static
+crypto::ScopedPK11Slot NSSSlotFactory::GetPublicSlotForBrowserContext(
+    content::BrowserContext* context) {
+  NSSSlotService* service = static_cast<NSSSlotService*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+  return service->GetPublicNSSKeySlot();
+}
+
+// static
+crypto::ScopedPK11Slot NSSSlotFactory::GetPrivateSlotForBrowserContext(
+    content::BrowserContext* context) {
+  NSSSlotService* service = static_cast<NSSSlotService*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+  return service->GetPrivateNSSKeySlot();
+}
+
+// static
+NSSSlotFactory* NSSSlotFactory::GetInstance() {
+  return Singleton<NSSSlotFactory>::get();
+}
+
+BrowserContextKeyedService* NSSSlotFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  NSSSlotService* service = new NSSSlotService(context);
+
+  return service;
+}
+
+content::BrowserContext* NSSSlotFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
+NSSSlotFactory::NSSSlotFactory()
+    : BrowserContextKeyedServiceFactory(
+          "NSSSlotService",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+NSSSlotFactory::~NSSSlotFactory() {
+}