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Side by Side Diff: extensions/browser/api/cast_channel/cast_channel.proto

Issue 576483003: Make proto enums canonical for ReadState/WriteState/ConnectState. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update all path references to generated protobufs. Created 6 years, 3 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 syntax = "proto2";
6
7 option optimize_for = LITE_RUNTIME;
8
9 package extensions.core_api.cast_channel;
10
11 message CastMessage {
12 // Always pass a version of the protocol for future compatibility
13 // requirements.
14 enum ProtocolVersion {
15 CASTV2_1_0 = 0;
16 }
17 required ProtocolVersion protocol_version = 1;
18
19 // source and destination ids identify the origin and destination of the
20 // message. They are used to route messages between endpoints that share a
21 // device-to-device channel.
22 //
23 // For messages between applications:
24 // - The sender application id is a unique identifier generated on behalf of
25 // the sender application.
26 // - The receiver id is always the the session id for the application.
27 //
28 // For messages to or from the sender or receiver platform, the special ids
29 // 'sender-0' and 'receiver-0' can be used.
30 //
31 // For messages intended for all endpoints using a given channel, the
32 // wildcard destination_id '*' can be used.
33 required string source_id = 2;
34 required string destination_id = 3;
35
36 // This is the core multiplexing key. All messages are sent on a namespace
37 // and endpoints sharing a channel listen on one or more namespaces. The
38 // namespace defines the protocol and semantics of the message.
39 required string namespace = 4;
40
41 // Encoding and payload info follows.
42
43 // What type of data do we have in this message.
44 enum PayloadType {
45 STRING = 0;
46 BINARY = 1;
47 }
48 required PayloadType payload_type = 5;
49
50 // Depending on payload_type, exactly one of the following optional fields
51 // will always be set.
52 optional string payload_utf8 = 6;
53 optional bytes payload_binary = 7;
54 }
55
56 enum SignatureAlgorithm {
57 UNSPECIFIED = 0;
58 RSASSA_PKCS1v15 = 1;
59 RSASSA_PSS = 2;
60 }
61
62 // Messages for authentication protocol between a sender and a receiver.
63 message AuthChallenge {
64 optional SignatureAlgorithm signature_algorithm = 1
65 [default = RSASSA_PKCS1v15];
66 }
67
68 message AuthResponse {
69 required bytes signature = 1;
70 required bytes client_auth_certificate = 2;
71 repeated bytes intermediate_certificate = 3;
72 optional SignatureAlgorithm signature_algorithm = 4
73 [default = RSASSA_PKCS1v15];
74 }
75
76 message AuthError {
77 enum ErrorType {
78 INTERNAL_ERROR = 0;
79 NO_TLS = 1; // The underlying connection is not TLS
80 SIGNATURE_ALGORITHM_UNAVAILABLE = 2;
81 }
82 required ErrorType error_type = 1;
83 }
84
85 message DeviceAuthMessage {
86 // Request fields
87 optional AuthChallenge challenge = 1;
88 // Response fields
89 optional AuthResponse response = 2;
90 optional AuthError error = 3;
91 }
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