mirror of
https://github.com/gogrlx/nats-server.git
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103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
// Copyright 2022-2023 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package certstore
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import (
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"crypto"
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"crypto/x509"
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"io"
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"runtime"
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"strings"
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)
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type StoreType int
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const MATCHBYEMPTY = 0
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const STOREEMPTY = 0
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const (
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windowsCurrentUser StoreType = iota + 1
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windowsLocalMachine
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)
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var StoreMap = map[string]StoreType{
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"windowscurrentuser": windowsCurrentUser,
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"windowslocalmachine": windowsLocalMachine,
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}
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var StoreOSMap = map[StoreType]string{
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windowsCurrentUser: "windows",
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windowsLocalMachine: "windows",
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}
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type MatchByType int
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const (
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matchByIssuer MatchByType = iota + 1
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matchBySubject
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)
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var MatchByMap = map[string]MatchByType{
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"issuer": matchByIssuer,
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"subject": matchBySubject,
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}
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var Usage = `
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In place of cert_file and key_file you may use the windows certificate store:
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tls {
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cert_store: "WindowsCurrentUser"
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cert_match_by: "Subject"
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cert_match: "MyServer123"
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}
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`
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func ParseCertStore(certStore string) (StoreType, error) {
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certStoreType, exists := StoreMap[strings.ToLower(certStore)]
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if !exists {
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return 0, ErrBadCertStore
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}
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validOS, exists := StoreOSMap[certStoreType]
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if !exists || validOS != runtime.GOOS {
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return 0, ErrOSNotCompatCertStore
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}
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return certStoreType, nil
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}
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func ParseCertMatchBy(certMatchBy string) (MatchByType, error) {
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certMatchByType, exists := MatchByMap[strings.ToLower(certMatchBy)]
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if !exists {
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return 0, ErrBadMatchByType
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}
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return certMatchByType, nil
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}
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func GetLeafIssuer(leaf *x509.Certificate, vOpts x509.VerifyOptions) (issuer *x509.Certificate) {
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chains, err := leaf.Verify(vOpts)
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if err != nil || len(chains) == 0 {
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issuer = nil
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} else {
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issuer = chains[0][1]
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}
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return
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}
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// credential provides access to a public key and is a crypto.Signer.
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type credential interface {
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// Public returns the public key corresponding to the leaf certificate.
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Public() crypto.PublicKey
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// Sign signs digest with the private key.
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Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error)
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}
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