Implement referred Token Bindings

net/url_request/url_request_job.cc

 // Copyright (c) 2012 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 "net/url_request/url_request_job.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 935 matching lines @@
     redirect_info.new_first_party_for_cookies =
         request_->first_party_for_cookies();
   }
 
   // Alter the referrer if redirecting cross-origin (especially HTTP->HTTPS).
   redirect_info.new_referrer =
       ComputeReferrerForRedirect(request_->referrer_policy(),
                                  request_->referrer(),
                                  redirect_info.new_url).spec();
 
+  std::string include_referer;
+  request_->GetResponseHeaderByName("include-referer-token-binding-id",
+                                    &include_referer);
+  if (include_referer == "true" &&
+      request_->ssl_info().token_binding_negotiated) {
+    redirect_info.referred_token_binding_host = url.host();

[davidben, 2016/03/15 22:49:56]

To confirm: TB ignores the port, right? It's purely keyed on host?

[nharper, 2016/03/16 17:49:22]

The code that looks up TB/ChannelID keys takes in only a host (and then computes
the eTLD+1 and looks up based on that). The TB spec does not specify exact
behavior.

+  }
+
   return redirect_info;
 }
 
 void URLRequestJob::MaybeNotifyNetworkBytes() {
   if (!network_delegate_)
     return;
 
   // Report any new received bytes.
   int64_t total_received_bytes = GetTotalReceivedBytes();
   DCHECK_GE(total_received_bytes, last_notified_total_received_bytes_);
   if (total_received_bytes > last_notified_total_received_bytes_) {
     network_delegate_->NotifyNetworkBytesReceived(
         request_, total_received_bytes - last_notified_total_received_bytes_);
   }
   last_notified_total_received_bytes_ = total_received_bytes;
 
   // Report any new sent bytes.
   int64_t total_sent_bytes = GetTotalSentBytes();
   DCHECK_GE(total_sent_bytes, last_notified_total_sent_bytes_);
   if (total_sent_bytes > last_notified_total_sent_bytes_) {
     network_delegate_->NotifyNetworkBytesSent(
         request_, total_sent_bytes - last_notified_total_sent_bytes_);
   }
   last_notified_total_sent_bytes_ = total_sent_bytes;
 }
 
 }  // namespace net