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9173e079ae
This PR adds an Alpine package registry. You can follow [this tutorial](https://wiki.alpinelinux.org/wiki/Creating_an_Alpine_package) to build a *.apk package for testing. This functionality is similar to the Debian registry (#22854) and therefore shares some methods. I marked this PR as blocked because it should be merged after #22854.  --------- Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Giteabot <teabot@gitea.io>
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package util
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import (
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"crypto"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"github.com/minio/sha256-simd"
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)
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// GenerateKeyPair generates a public and private keypair
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func GenerateKeyPair(bits int) (string, string, error) {
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priv, _ := rsa.GenerateKey(rand.Reader, bits)
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privPem, err := pemBlockForPriv(priv)
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if err != nil {
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return "", "", err
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}
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pubPem, err := pemBlockForPub(&priv.PublicKey)
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if err != nil {
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return "", "", err
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}
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return privPem, pubPem, nil
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}
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func pemBlockForPriv(priv *rsa.PrivateKey) (string, error) {
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privBytes := pem.EncodeToMemory(&pem.Block{
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Type: "RSA PRIVATE KEY",
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Bytes: x509.MarshalPKCS1PrivateKey(priv),
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})
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return string(privBytes), nil
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}
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func pemBlockForPub(pub *rsa.PublicKey) (string, error) {
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pubASN1, err := x509.MarshalPKIXPublicKey(pub)
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if err != nil {
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return "", err
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}
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pubBytes := pem.EncodeToMemory(&pem.Block{
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Type: "PUBLIC KEY",
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Bytes: pubASN1,
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})
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return string(pubBytes), nil
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}
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// CreatePublicKeyFingerprint creates a fingerprint of the given key.
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// The fingerprint is the sha256 sum of the PKIX structure of the key.
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func CreatePublicKeyFingerprint(key crypto.PublicKey) ([]byte, error) {
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bytes, err := x509.MarshalPKIXPublicKey(key)
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if err != nil {
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return nil, err
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}
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checksum := sha256.Sum256(bytes)
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return checksum[:], nil
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}
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