mirror of
https://github.com/element-hq/dendrite.git
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55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
// Copyright 2024 New Vector Ltd.
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// Copyright 2023 The Matrix.org Foundation C.I.C.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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package monolith
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import (
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"crypto/ed25519"
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"os"
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"github.com/element-hq/dendrite/setup/config"
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"github.com/element-hq/dendrite/test"
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)
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func GetOrCreateKey(keyfile string, oldKeyfile string) (ed25519.PrivateKey, ed25519.PublicKey) {
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var sk ed25519.PrivateKey
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var pk ed25519.PublicKey
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if _, err := os.Stat(keyfile); os.IsNotExist(err) {
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if _, err = os.Stat(oldKeyfile); os.IsNotExist(err) {
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if err = test.NewMatrixKey(keyfile); err != nil {
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panic("failed to generate a new PEM key: " + err.Error())
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}
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if _, sk, err = config.LoadMatrixKey(keyfile, os.ReadFile); err != nil {
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panic("failed to load PEM key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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} else {
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if sk, err = os.ReadFile(oldKeyfile); err != nil {
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panic("failed to read the old private key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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if err = test.SaveMatrixKey(keyfile, sk); err != nil {
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panic("failed to convert the private key to PEM format: " + err.Error())
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}
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}
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} else {
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if _, sk, err = config.LoadMatrixKey(keyfile, os.ReadFile); err != nil {
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panic("failed to load PEM key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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}
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pk = sk.Public().(ed25519.PublicKey)
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return sk, pk
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}
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