Files
probo/cmd/acme-keygen/main.go
Sacha Al Himdani 8c02c53315 Update copyright headers across all Go files
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>
2026-03-25 17:38:32 +01:00

84 lines
2.5 KiB
Go

// Copyright (c) 2025-2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package main
import (
"context"
"flag"
"fmt"
"os"
"go.probo.inc/probo/pkg/crypto/keys"
"go.probo.inc/probo/pkg/crypto/pem"
"golang.org/x/crypto/acme"
)
func main() {
var (
email = flag.String("email", "", "Email address for ACME account (required)")
keyType = flag.String("key-type", "EC256", "Key type: EC256, EC384, RSA2048, RSA4096")
directory = flag.String("directory", "https://acme-v02.api.letsencrypt.org/directory", "ACME directory URL")
)
flag.Parse()
if *email == "" {
fmt.Fprintln(os.Stderr, "Error: -email is required")
flag.Usage()
os.Exit(1)
}
accountKey, err := keys.Generate(keys.Type(*keyType))
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating key: %v\n", err)
os.Exit(1)
}
fmt.Fprintf(os.Stderr, "Generated %s account key\n", *keyType)
client := &acme.Client{
Key: accountKey,
DirectoryURL: *directory,
}
ctx := context.Background()
account := &acme.Account{
Contact: []string{"mailto:" + *email},
}
registeredAccount, err := client.Register(ctx, account, acme.AcceptTOS)
if err != nil {
if err == acme.ErrAccountAlreadyExists {
fmt.Fprintf(os.Stderr, "Account already exists for this key\n")
} else {
fmt.Fprintf(os.Stderr, "Error registering account: %v\n", err)
os.Exit(1)
}
} else {
fmt.Fprintf(os.Stderr, "Successfully registered ACME account\n")
fmt.Fprintf(os.Stderr, "Account URI: %s\n", registeredAccount.URI)
}
keyPEM, err := pem.EncodePrivateKey(accountKey)
if err != nil {
fmt.Fprintf(os.Stderr, "Error encoding key: %v\n", err)
os.Exit(1)
}
fmt.Fprintf(os.Stderr, "\n=== ACME Account Private Key (PEM) ===\n")
fmt.Fprintf(os.Stderr, "Add this to your configuration under custom-domains.acme.account-key:\n\n")
fmt.Print(string(keyPEM))
}