owenandClaude Sonnet 5
ba1f7c4c03
Self-contained HTTP/HTTPS/TCP/UDP reverse proxy manager written in Go, with SQLite storage, a Bootstrap 5 admin UI (Go templates, no JS framework), and a REST API under /api/v1. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QTXFrNP1imCW7jtfL5SZrw
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package certificates
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import (
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"crypto"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/x509"
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"encoding/pem"
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"errors"
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"os"
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"github.com/go-acme/lego/v4/registration"
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)
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// acmeUser implements lego's registration.User for our single ACME
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// account. The private key never leaves this process and is stored on
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// disk with 0600 permissions, separate from any issued certificate keys.
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type acmeUser struct {
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Email string
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Registration *registration.Resource
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key crypto.PrivateKey
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}
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func newACMEUser(email string, key crypto.PrivateKey) *acmeUser {
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return &acmeUser{Email: email, key: key}
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}
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func (u *acmeUser) GetEmail() string { return u.Email }
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func (u *acmeUser) GetRegistration() *registration.Resource { return u.Registration }
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func (u *acmeUser) GetPrivateKey() crypto.PrivateKey { return u.key }
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func newACMEAccountKey() (*ecdsa.PrivateKey, error) {
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return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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}
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func writeECDSAKeyPEM(path string, key *ecdsa.PrivateKey) error {
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der, err := x509.MarshalECPrivateKey(key)
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if err != nil {
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return err
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}
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block := &pem.Block{Type: "EC PRIVATE KEY", Bytes: der}
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return os.WriteFile(path, pem.EncodeToMemory(block), 0o600)
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}
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func readECDSAKeyPEM(path string) (*ecdsa.PrivateKey, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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block, _ := pem.Decode(data)
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if block == nil {
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return nil, errors.New("invalid PEM account key")
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}
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return x509.ParseECPrivateKey(block.Bytes)
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}
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