Certificate Transparency: Start tracking logs' state

chrome/browser/io_thread.h

 // 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.
 
 #ifndef CHROME_BROWSER_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 66 matching lines @@
 class NetworkDelegate;
 class NetworkQualityEstimator;
 class ProxyConfigService;
 class ProxyService;
 class SSLConfigService;
 class TransportSecurityState;
 class URLRequestBackoffManager;
 class URLRequestContext;
 class URLRequestContextGetter;
 class URLRequestJobFactory;
+
+namespace ct {
+class CTObserver;
+class STHObserver;
+class STHReporter;
+}  // namespace ct
+
 }  // namespace net
 
 namespace net_log {
 class ChromeNetLog;
 }
 
 namespace policy {
 class PolicyService;
 }  // namespace policy
 
@@ skipping 67 matching lines @@
     std::unique_ptr<net::ProxyService> system_proxy_service;
     std::unique_ptr<net::HttpNetworkSession> system_http_network_session;
     std::unique_ptr<net::HttpTransactionFactory>
         system_http_transaction_factory;
     std::unique_ptr<net::URLRequestJobFactory> system_url_request_job_factory;
     std::unique_ptr<net::URLRequestContext> system_request_context;
     SystemRequestContextLeakChecker system_request_context_leak_checker;
     // |system_cookie_store| and |system_channel_id_service| are shared
     // between |proxy_script_fetcher_context| and |system_request_context|.
     std::unique_ptr<net::CookieStore> system_cookie_store;
+
+    // Used by the cert_transparency_verifier. See IOThread::CleanUp
+    // on lifetime management of this object.
+    std::unique_ptr<net::ct::CTObserver> cert_transparency_observer;
 #if defined(ENABLE_EXTENSIONS)
     scoped_refptr<extensions::EventRouterForwarder>
         extension_event_router_forwarder;
 #endif
     std::unique_ptr<net::HostMappingRules> host_mapping_rules;
     std::unique_ptr<net::HttpUserAgentSettings> http_user_agent_settings;
     std::unique_ptr<net::NetworkQualityEstimator> network_quality_estimator;
 
     // NetErrorTabHelper uses |dns_probe_service| to send DNS probes when a
     // main frame load fails with a DNS error in order to provide more useful
@@ skipping 243 matching lines @@
   void ClearHostCache();
 
   const net::HttpNetworkSession::Params& NetworkSessionParams() const;
 
   base::TimeTicks creation_time() const;
 
   // Returns true if QUIC should be enabled for data reduction proxy, either as
   // a result of a field trial or a command line flag.
   static bool ShouldEnableQuicForDataReductionProxy();
 
+  // Sets the reporter for new STH reports. Observers created by this
+  // class and other classes will be registered with it (the IOThread
+  // class will manage registration).
+  // Does not take ownership of |reporter| as it will out-live the IOThread.
+  void RegisterSTHReporter(net::ct::STHReporter* reporter);
+  // Registers the |observer| for new STH notifications.
+  void RegisterSTHObserver(net::ct::STHObserver* observer);
+  // Un-registers the |observer|.
+  void UnregisterSTHObserver(net::ct::STHObserver* observer);
+
   // Returns the callback for updating data use prefs.
   const metrics::UpdateUsagePrefCallbackType& GetMetricsDataUseForwarder();
 
  private:
   // Provide SystemURLRequestContextGetter with access to
   // InitSystemRequestContext().
   friend class SystemURLRequestContextGetter;
 
   friend class test::IOThreadPeer;
 
@@ skipping 114 matching lines @@
 
   scoped_refptr<net::URLRequestContextGetter>
       system_url_request_context_getter_;
 
   // True if SPDY is allowed by policy.
   bool is_spdy_allowed_by_policy_;
 
   // True if QUIC is allowed by policy.
   bool is_quic_allowed_by_policy_;
 
+  // Owned by the STHSet component, is null before it's created.
+  net::ct::STHReporter* sth_reporter_;
+
+  // Keeps track of all the STHObserver instances that need
+  // to get notification of new STHs, from this class
+  // and ProfileIOData.
+  std::set<net::ct::STHObserver*> sth_observers_;
+
   const base::TimeTicks creation_time_;
 
   // Callback for updating data use prefs which needs to be initialized on UI
   // thread and passed to |ChromeNetworkDelegate|.
   metrics::UpdateUsagePrefCallbackType metrics_data_use_forwarder_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_