115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
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// Copyright (c) 2020 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package id
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import (
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"fmt"
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"strings"
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)
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// OlmMsgType is an Olm message type
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type OlmMsgType int
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const (
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OlmMsgTypePreKey OlmMsgType = 0
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OlmMsgTypeMsg OlmMsgType = 1
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)
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// Algorithm is a Matrix message encryption algorithm.
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// https://spec.matrix.org/v1.2/client-server-api/#messaging-algorithm-names
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type Algorithm string
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const (
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AlgorithmOlmV1 Algorithm = "m.olm.v1.curve25519-aes-sha2"
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AlgorithmMegolmV1 Algorithm = "m.megolm.v1.aes-sha2"
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)
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type KeyAlgorithm string
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const (
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KeyAlgorithmCurve25519 KeyAlgorithm = "curve25519"
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KeyAlgorithmEd25519 KeyAlgorithm = "ed25519"
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KeyAlgorithmSignedCurve25519 KeyAlgorithm = "signed_curve25519"
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)
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type CrossSigningUsage string
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const (
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XSUsageMaster CrossSigningUsage = "master"
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XSUsageSelfSigning CrossSigningUsage = "self_signing"
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XSUsageUserSigning CrossSigningUsage = "user_signing"
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)
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// A SessionID is an arbitrary string that identifies an Olm or Megolm session.
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type SessionID string
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func (sessionID SessionID) String() string {
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return string(sessionID)
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}
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// Ed25519 is the base64 representation of an Ed25519 public key
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type Ed25519 string
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type SigningKey = Ed25519
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func (ed25519 Ed25519) String() string {
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return string(ed25519)
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}
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// Curve25519 is the base64 representation of an Curve25519 public key
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type Curve25519 string
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type SenderKey = Curve25519
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type IdentityKey = Curve25519
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func (curve25519 Curve25519) String() string {
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return string(curve25519)
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}
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// A DeviceID is an arbitrary string that references a specific device.
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type DeviceID string
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func (deviceID DeviceID) String() string {
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return string(deviceID)
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}
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// A DeviceKeyID is a string formatted as <algorithm>:<device_id> that is used as the key in deviceid-key mappings.
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type DeviceKeyID string
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func NewDeviceKeyID(algorithm KeyAlgorithm, deviceID DeviceID) DeviceKeyID {
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return DeviceKeyID(fmt.Sprintf("%s:%s", algorithm, deviceID))
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}
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func (deviceKeyID DeviceKeyID) String() string {
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return string(deviceKeyID)
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}
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func (deviceKeyID DeviceKeyID) Parse() (Algorithm, DeviceID) {
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index := strings.IndexRune(string(deviceKeyID), ':')
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if index < 0 || len(deviceKeyID) <= index+1 {
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return "", ""
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}
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return Algorithm(deviceKeyID[:index]), DeviceID(deviceKeyID[index+1:])
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}
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// A KeyID a string formatted as <keyalgorithm>:<key_id> that is used as the key in one-time-key mappings.
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type KeyID string
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func NewKeyID(algorithm KeyAlgorithm, keyID string) KeyID {
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return KeyID(fmt.Sprintf("%s:%s", algorithm, keyID))
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}
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func (keyID KeyID) String() string {
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return string(keyID)
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}
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func (keyID KeyID) Parse() (KeyAlgorithm, string) {
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index := strings.IndexRune(string(keyID), ':')
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if index < 0 || len(keyID) <= index+1 {
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return "", ""
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}
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return KeyAlgorithm(keyID[:index]), string(keyID[index+1:])
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}
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