114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
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// Copyright 2013 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_SPDY_SPDY_SESSION_KEY_H_
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#define NET_SPDY_SPDY_SESSION_KEY_H_
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#include "net/base/net_export.h"
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#include "net/base/network_anonymization_key.h"
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#include "net/base/network_isolation_key.h"
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#include "net/base/privacy_mode.h"
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#include "net/base/proxy_server.h"
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#include "net/dns/public/secure_dns_policy.h"
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#include "net/socket/socket_tag.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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namespace net {
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// SpdySessionKey is used as unique index for SpdySessionPool.
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class NET_EXPORT_PRIVATE SpdySessionKey {
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public:
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enum class IsProxySession {
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kFalse,
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// This means this is a ProxyServer::Direct() session for an HTTP2 proxy,
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// with |host_port_pair| being the proxy host and port. This should not be
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// confused with a tunnel over an HTTP2 proxy session, for which
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// |proxy_server| will be information about the proxy being used, and
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// |host_port_pair| will be information not about the proxy, but the host
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// that we're proxying the connection to.
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kTrue,
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};
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SpdySessionKey();
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SpdySessionKey(const HostPortPair& host_port_pair,
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const ProxyServer& proxy_server,
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PrivacyMode privacy_mode,
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IsProxySession is_proxy_session,
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const SocketTag& socket_tag,
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const NetworkAnonymizationKey& network_anonymization_key,
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SecureDnsPolicy secure_dns_policy);
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SpdySessionKey(const SpdySessionKey& other);
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~SpdySessionKey();
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// Comparator function so this can be placed in a std::map.
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bool operator<(const SpdySessionKey& other) const;
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// Equality tests of contents.
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bool operator==(const SpdySessionKey& other) const;
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bool operator!=(const SpdySessionKey& other) const;
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// Struct returned by CompareForAliasing().
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struct CompareForAliasingResult {
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// True if the two SpdySessionKeys match, except possibly for their
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// |host_port_pair| and |socket_tag|.
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bool is_potentially_aliasable = false;
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// True if the |socket_tag| fields match. If this is false, it's up to the
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// caller to change the tag of the session (if possible) or to not alias the
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// session, even if |is_potentially_aliasable| is true.
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bool is_socket_tag_match = false;
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};
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// Checks if requests using SpdySessionKey can potentially be used to service
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// requests using another. The caller *MUST* also make sure that the session
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// associated with one key has been verified for use with the other.
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//
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// Note that this method is symmetric, so it doesn't matter which key's method
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// is called on the other.
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CompareForAliasingResult CompareForAliasing(
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const SpdySessionKey& other) const;
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const HostPortProxyPair& host_port_proxy_pair() const {
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return host_port_proxy_pair_;
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}
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const HostPortPair& host_port_pair() const {
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return host_port_proxy_pair_.first;
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}
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const ProxyServer& proxy_server() const {
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return host_port_proxy_pair_.second;
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}
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PrivacyMode privacy_mode() const {
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return privacy_mode_;
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}
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IsProxySession is_proxy_session() const { return is_proxy_session_; }
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const SocketTag& socket_tag() const { return socket_tag_; }
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const NetworkAnonymizationKey& network_anonymization_key() const {
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return network_anonymization_key_;
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}
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SecureDnsPolicy secure_dns_policy() const { return secure_dns_policy_; }
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private:
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HostPortProxyPair host_port_proxy_pair_;
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// If enabled, then session cannot be tracked by the server.
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PrivacyMode privacy_mode_ = PRIVACY_MODE_DISABLED;
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IsProxySession is_proxy_session_;
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SocketTag socket_tag_;
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// Used to separate requests made in different contexts. If network state
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// partitioning is disabled this will be set to an empty key.
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NetworkAnonymizationKey network_anonymization_key_;
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SecureDnsPolicy secure_dns_policy_;
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};
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} // namespace net
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#endif // NET_SPDY_SPDY_SESSION_KEY_H_
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