Remove certificates from Channel ID

chrome/browser/extensions/api/messaging/message_property_provider.cc

 // Copyright 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/extensions/api/messaging/message_property_provider.h"
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
+#include "base/stl_util.h"
 #include "base/strings/string_piece.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
+#include "crypto/ec_private_key.h"
 #include "extensions/common/api/runtime.h"
 #include "net/base/completion_callback.h"
 #include "net/cert/asn1_util.h"
 #include "net/cert/jwk_serializer.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "url/gurl.h"
 
 namespace extensions {
@@ skipping 15 matching lines @@
                  base::MessageLoopProxy::current(),
                  request_context_getter,
                  source_url.host(),
                  reply));
 }
 
 // Helper struct to bind the memory addresses that will be written to by
 // ChannelIDService::GetChannelID to the callback provided to
 // MessagePropertyProvider::GetChannelID.
 struct MessagePropertyProvider::GetChannelIDOutput {
-  std::string domain_bound_private_key;
-  std::string domain_bound_cert;
+  scoped_ptr<crypto::ECPrivateKey> channel_id_key;
   net::ChannelIDService::RequestHandle request_handle;
 };
 
 // static
 void MessagePropertyProvider::GetChannelIDOnIOThread(
     scoped_refptr<base::TaskRunner> original_task_runner,
     scoped_refptr<net::URLRequestContextGetter> request_context_getter,
     const std::string& host,
     const ChannelIDCallback& reply) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   net::ChannelIDService* channel_id_service =
       request_context_getter->GetURLRequestContext()->
           channel_id_service();
   GetChannelIDOutput* output = new GetChannelIDOutput();
   net::CompletionCallback net_completion_callback =
       base::Bind(&MessagePropertyProvider::GotChannelID,
                  original_task_runner,
                  base::Owned(output),
                  reply);
-  int status = channel_id_service->GetChannelID(
-      host,
-      &output->domain_bound_private_key,
-      &output->domain_bound_cert,
-      net_completion_callback,
-      &output->request_handle);
+  int status = channel_id_service->GetChannelID(host, &output->channel_id_key,
+                                                net_completion_callback,
+                                                &output->request_handle);
   if (status == net::ERR_IO_PENDING)
     return;
   GotChannelID(original_task_runner, output, reply, status);
 }
 
 // static
 void MessagePropertyProvider::GotChannelID(
     scoped_refptr<base::TaskRunner> original_task_runner,
     struct GetChannelIDOutput* output,
     const ChannelIDCallback& reply,
     int status) {
   base::Closure no_tls_channel_id_closure = base::Bind(reply, "");
   if (status != net::OK) {
     original_task_runner->PostTask(FROM_HERE, no_tls_channel_id_closure);
     return;
   }
-  base::StringPiece spki;
-  if (!net::asn1::ExtractSPKIFromDERCert(output->domain_bound_cert, &spki)) {
+  std::vector<uint8> spki_vector;
+  if (!output->channel_id_key->ExportPublicKey(&spki_vector)) {
     original_task_runner->PostTask(FROM_HERE, no_tls_channel_id_closure);
     return;
   }
+  base::StringPiece spki(reinterpret_cast<char*>(vector_as_array(&spki_vector)),
+                         spki_vector.size());
   base::DictionaryValue jwk_value;
   if (!net::JwkSerializer::ConvertSpkiFromDerToJwk(spki, &jwk_value)) {
     original_task_runner->PostTask(FROM_HERE, no_tls_channel_id_closure);
     return;
   }
   std::string jwk_str;
   base::JSONWriter::Write(&jwk_value, &jwk_str);
   original_task_runner->PostTask(FROM_HERE, base::Bind(reply, jwk_str));
 }
 
 }  // namespace extensions