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92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
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// Copyright 2013 The Chromium Authors. All rights reserved.
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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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// A set of common constants that are needed for the WebSocket handshake.
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// In general, you should prefer using these constants to literal strings,
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// except in tests.
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//
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// These constants cannot be used in files that are compiled on iOS, because
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// this file is not compiled on iOS.
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#ifndef NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
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#define NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
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#include <stddef.h>
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#include "net/base/net_export.h"
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// This file plases constants inside the ::net::websockets namespace to avoid
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// risk of collisions with other symbols in libnet.
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namespace net {
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namespace websockets {
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// "HTTP/1.1"
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// RFC6455 only requires HTTP/1.1 "or better" but in practice an HTTP version
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// other than 1.1 should not occur in a WebSocket handshake.
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extern const char kHttpProtocolVersion[];
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// The Sec-WebSockey-Key challenge is 16 random bytes, base64 encoded.
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extern const size_t kRawChallengeLength;
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// "Sec-WebSocket-Protocol"
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extern const char kSecWebSocketProtocol[];
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// "Sec-WebSocket-Extensions"
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extern const char kSecWebSocketExtensions[];
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// "Sec-WebSocket-Key"
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extern const char kSecWebSocketKey[];
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// "Sec-WebSocket-Accept"
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extern const char kSecWebSocketAccept[];
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// "Sec-WebSocket-Version"
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extern const char kSecWebSocketVersion[];
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// This implementation only supports one version of the WebSocket protocol,
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// "13", as specified in RFC6455. If support for multiple versions is added in
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// future, it will probably no longer be worth having a constant for this.
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extern const char kSupportedVersion[];
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// "Upgrade"
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extern const char kUpgrade[];
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// "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" as defined in section 4.1 of
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// RFC6455.
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extern const char NET_EXPORT kWebSocketGuid[];
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// Colon-prefixed lowercase headers for SPDY3.
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// ":sec-websocket-protocol"
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extern const char kSecWebSocketProtocolSpdy3[];
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// ":sec-websocket-extensions"
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extern const char kSecWebSocketExtensionsSpdy3[];
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// Some parts of the code require lowercase versions of the header names in
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// order to do case-insensitive comparisons, or because of SPDY.
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// "sec-websocket-protocol"
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extern const char* const kSecWebSocketProtocolLowercase;
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// "sec-websocket-extensions"
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extern const char* const kSecWebSocketExtensionsLowercase;
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// "sec-webSocket-key"
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extern const char kSecWebSocketKeyLowercase[];
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// "sec-websocket-version"
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extern const char kSecWebSocketVersionLowercase[];
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// "upgrade"
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extern const char kUpgradeLowercase[];
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// "websocket", as used in the "Upgrade:" header. This is always lowercase
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// (except in obsolete versions of the protocol).
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extern const char kWebSocketLowercase[];
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} // namespace websockets
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} // namespace net
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#endif // NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
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