Adds NetworkDelegate::NotifyBeforeSocketStreamConnect()

chrome/browser/net/chrome_network_delegate.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 "chrome/browser/net/chrome_network_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/extensions/api/proxy/proxy_api.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/extension_event_router_forwarder.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
+#include "net/socket_stream/socket_stream.h"
 #include "net/url_request/url_request.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #endif
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
 #include "chrome/browser/policy/url_blacklist_manager.h"
 #endif
 
@@ skipping 307 matching lines @@
     if (white_listed_path == path.StripTrailingSeparators() ||
         white_listed_path.IsParent(path)) {
       return true;
     }
   }
   return false;
 #else
   return true;
 #endif  // defined(OS_CHROMEOS)
 }
+
+int ChromeNetworkDelegate::OnBeforeSocketStreamConnect(
+    net::SocketStream* socket,
+    const net::CompletionCallback& callback) {
+#if defined(ENABLE_CONFIGURATION_POLICY)
+  if (url_blacklist_manager_ &&
+      url_blacklist_manager_->IsURLBlocked(socket->url())) {
+    // URL access blocked by policy.
+    scoped_refptr<net::NetLog::EventParameters> params;
+    params = new net::NetLogStringParameter("url", socket->url().spec());
+    socket->net_log()->AddEvent(
+        net::NetLog::TYPE_CHROME_POLICY_ABORTED_REQUEST, params);
+    return net::ERR_NETWORK_ACCESS_DENIED;
+  }
+#endif
+  return net::OK;
+}