| // 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 NET_SSL_SSL_CONFIG_SERVICE_H_ |
| #define NET_SSL_SSL_CONFIG_SERVICE_H_ |
| |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/observer_list.h" |
| #include "net/base/net_export.h" |
| #include "net/ssl/ssl_config.h" |
| |
| namespace net { |
| |
| // The interface for retrieving the SSL configuration. This interface |
| // does not cover setting the SSL configuration, as on some systems, the |
| // SSLConfigService objects may not have direct access to the configuration, or |
| // live longer than the configuration preferences. |
| class NET_EXPORT SSLConfigService { |
| public: |
| // Observer is notified when SSL config settings have changed. |
| class NET_EXPORT Observer { |
| public: |
| // Notify observers if SSL settings have changed. We don't check all of the |
| // data in SSLConfig, just those that qualify as a user config change. |
| // The following settings are considered user changes: |
| // version_min |
| // version_max |
| // disabled_cipher_suites |
| // channel_id_enabled |
| // false_start_enabled |
| // require_ecdhe |
| virtual void OnSSLConfigChanged() = 0; |
| |
| protected: |
| virtual ~Observer() {} |
| }; |
| |
| SSLConfigService(); |
| virtual ~SSLConfigService(); |
| |
| // May not be thread-safe, should only be called on the IO thread. |
| virtual void GetSSLConfig(SSLConfig* config) = 0; |
| |
| // Returns true if connections to |hostname| can reuse, or are permitted to |
| // reuse, connections on which a client cert has been negotiated. Note that |
| // this must return true for both hostnames being pooled - that is to say this |
| // function must return true for both the hostname of the existing connection |
| // and the potential hostname to pool before allowing the connection to be |
| // reused. |
| // |
| // NOTE: Pooling connections with ambient authority can create security issues |
| // with that ambient authority and privacy issues in that embedders (and |
| // users) may not have been consulted to send a client cert to |hostname|. |
| // Implementations of this method should only return true if they have |
| // received affirmative consent (e.g. through preferences or Enterprise |
| // policy). |
| // |
| // NOTE: For Web Platform clients, this violates the Fetch Standard's policies |
| // around connection pools: https://fetch.spec.whatwg.org/#connections. |
| // Implementations that return true should take steps to limit the Web |
| // Platform visibility of this, such as only allowing it to be used for |
| // Enterprise or internal configurations. |
| // |
| // DEPRECATED: For the reasons above, this method is temporary and will be |
| // removed in a future release. Please leave a comment on |
| // https://crbug.com/855690 if you believe this is needed. |
| virtual bool CanShareConnectionWithClientCerts( |
| const std::string& hostname) const = 0; |
| |
| // Add an observer of this service. |
| void AddObserver(Observer* observer); |
| |
| // Remove an observer of this service. |
| void RemoveObserver(Observer* observer); |
| |
| // Calls the OnSSLConfigChanged method of registered observers. Should only be |
| // called on the IO thread. |
| void NotifySSLConfigChange(); |
| |
| // Checks if the config-service managed fields in two SSLConfigs are the same. |
| static bool SSLConfigsAreEqualForTesting(const net::SSLConfig& config1, |
| const net::SSLConfig& config2); |
| |
| protected: |
| // Process before/after config update. If |force_notification| is true, |
| // NotifySSLConfigChange will be called regardless of whether |orig_config| |
| // and |new_config| are equal. |
| void ProcessConfigUpdate(const SSLConfig& orig_config, |
| const SSLConfig& new_config, |
| bool force_notification); |
| |
| private: |
| base::ObserverList<Observer>::Unchecked observer_list_; |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_SSL_SSL_CONFIG_SERVICE_H_ |