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