NSSCertDatabaseChromeOS

chrome/browser/net/nss_context_chromeos.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_context.h"
 
+#include "base/memory/weak_ptr.h"
+#include "base/supports_user_data.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "content/public/browser/browser_thread.h"
 #include "crypto/nss_util_internal.h"
+#include "net/cert/nss_cert_database_chromeos.h"
 
 namespace {
+
+void* kDatabaseManagerKey = &kDatabaseManagerKey;
+
+class NSSCertDatabaseChromeOSManager : public base::SupportsUserData::Data {
+ public:
+  explicit NSSCertDatabaseChromeOSManager(const std::string& username_hash)
+      : username_hash_(username_hash), weak_ptr_factory_(this) {
+    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+    crypto::ScopedPK11Slot private_slot(crypto::GetPrivateSlotForChromeOSUser(
+        username_hash,
+        base::Bind(&NSSCertDatabaseChromeOSManager::DidGetPrivateSlot,
+                   weak_ptr_factory_.GetWeakPtr())));
+    if (private_slot)
+      DidGetPrivateSlot(private_slot.Pass());
+  }
+
+  virtual ~NSSCertDatabaseChromeOSManager() {
+    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  }
+
+  net::NSSCertDatabase* GetNSSCertDatabase(
+      const base::Callback<void(net::NSSCertDatabase*)>& callback) {
+    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+
+    if (nss_cert_database_)
+      return nss_cert_database_.get();
+
+    ready_callback_list_.push_back(callback);
+    return NULL;
+  }
+
+ private:
+  typedef std::vector<base::Callback<void(net::NSSCertDatabase*)> >
+      ReadyCallbackList;
+
+  void DidGetPrivateSlot(crypto::ScopedPK11Slot private_slot) {
+    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+    nss_cert_database_.reset(new net::NSSCertDatabaseChromeOS(
+        crypto::GetPublicSlotForChromeOSUser(username_hash_),
+        private_slot.Pass()));
+
+    ReadyCallbackList callback_list;
+    callback_list.swap(ready_callback_list_);
+    for (ReadyCallbackList::iterator i = callback_list.begin();
+         i != callback_list.end();
+         ++i) {
+      (*i).Run(nss_cert_database_.get());
+    }
+  }
+
+  std::string username_hash_;
+  scoped_ptr<net::NSSCertDatabaseChromeOS> nss_cert_database_;
+  ReadyCallbackList ready_callback_list_;
+  base::WeakPtrFactory<NSSCertDatabaseChromeOSManager> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(NSSCertDatabaseChromeOSManager);
+};
+
 std::string GetUsername(content::ResourceContext* context) {
   return ProfileIOData::FromResourceContext(context)->username_hash();
 }
+
 }  // namespace
 
 crypto::ScopedPK11Slot GetPublicNSSKeySlotForResourceContext(
     content::ResourceContext* context) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   return crypto::GetPublicSlotForChromeOSUser(GetUsername(context));
 }
 
 crypto::ScopedPK11Slot GetPrivateNSSKeySlotForResourceContext(
     content::ResourceContext* context,
     const base::Callback<void(crypto::ScopedPK11Slot)>& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   return crypto::GetPrivateSlotForChromeOSUser(GetUsername(context), callback);
 }
 
+net::NSSCertDatabase* GetNSSCertDatabaseForResourceContext(
+    content::ResourceContext* context,
+    const base::Callback<void(net::NSSCertDatabase*)>& callback) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  NSSCertDatabaseChromeOSManager* manager =
+      static_cast<NSSCertDatabaseChromeOSManager*>(
+          context->GetUserData(kDatabaseManagerKey));
+  if (!manager) {
+    manager = new NSSCertDatabaseChromeOSManager(GetUsername(context));
+    context->SetUserData(kDatabaseManagerKey, manager);
+  }
+  return manager->GetNSSCertDatabase(callback);
+}