Bypass data reduction proxy when using VPN

components/data_reduction_proxy/browser/data_reduction_proxy_settings.h

 // Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "base/threading/thread_checker.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_configurator.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_usage_stats.h"
+#include "net/base/net_util.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 class PrefService;
 
 namespace net {
 class HostPortPair;
 class HttpNetworkSession;
 class HttpResponseHeaders;
 class URLFetcher;
@@ skipping 172 matching lines @@
   // Metrics method. Subclasses should override if they wish to provide
   // alternatives.
   virtual void RecordDataReductionInit();
 
   virtual void AddDefaultProxyBypassRules();
 
   // Writes a warning to the log that is used in backend processing of
   // customer feedback. Virtual so tests can mock it for verification.
   virtual void LogProxyState(bool enabled, bool restricted, bool at_startup);
 
-  // Virtualized for mocking
+  // Virtualized for mocking. Records UMA containing the result of requesting
+  // the probe URL.
   virtual void RecordProbeURLFetchResult(
       data_reduction_proxy::ProbeURLFetchResult result);
+
+  // Virtualized for mocking. Records UMA specifying whether the proxy was
+  // enabled or disabled at startup.
   virtual void RecordStartupState(
       data_reduction_proxy::ProxyStartupState state);
 
+  // Virtualized for mocking. Returns the list of network interfaces in use.
+  virtual void GetNetworkList(net::NetworkInterfaceList* interfaces,
+                              int policy);
+
   DataReductionProxyConfigurator* configurator() {
     return configurator_.get();
   }
 
   // Reset params for tests.
   void ResetParamsForTest(DataReductionProxyParams* params);
 
  private:
   friend class DataReductionProxySettingsTestBase;
   friend class DataReductionProxySettingsTest;
@@ skipping 39 matching lines @@
   void MaybeActivateDataReductionProxy(bool at_startup);
 
   // Requests the proxy probe URL, if one is set.  If unable to do so, disables
   // the proxy, if enabled. Otherwise enables the proxy if disabled by a probe
   // failure.
   void ProbeWhetherDataReductionProxyIsAvailable();
 
   // Warms the connection to the data reduction proxy.
   void WarmProxyConnection();
 
+  // Disables use of the data reduction proxy on VPNs. Returns true if the
+  // data reduction proxy has been disabled.
+  bool DisableIfVPN();
+
   // Generic method to get a URL fetcher.
   net::URLFetcher* GetBaseURLFetcher(const GURL& gurl, int load_flags);
 
-  // Returns a UTF16 string that's the hash of the configured authentication
-  // |key| and |salt|. Returns an empty UTF16 string if no key is configured or
-  // the data reduction proxy feature isn't available.
-  static base::string16 AuthHashForSalt(int64 salt,
-                                        const std::string& key);
-
   std::string key_;
   bool restricted_by_carrier_;
   bool enabled_by_user_;
+  bool disabled_on_vpn_;
 
   scoped_ptr<net::URLFetcher> fetcher_;
   scoped_ptr<net::URLFetcher> warmup_fetcher_;
 
   BooleanPrefMember spdy_proxy_auth_enabled_;
   BooleanPrefMember data_reduction_proxy_alternative_enabled_;
 
   PrefService* prefs_;
   PrefService* local_state_prefs_;
 
   net::URLRequestContextGetter* url_request_context_getter_;
 
   scoped_ptr<DataReductionProxyConfigurator> configurator_;
 
   base::ThreadChecker thread_checker_;
 
   scoped_ptr<DataReductionProxyParams> params_;
   DataReductionProxyUsageStats* usage_stats_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxySettings);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_