forked from caddyserver/dnsproviders
/
generic.go
32 lines (28 loc) · 857 Bytes
/
generic.go
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// Package generic adapts the lego exec DNS
// provider for Caddy. Importing this package plugs it in.
package generic
import (
"errors"
"github.com/mholt/caddy/caddytls"
"github.com/xenolf/lego/providers/dns/exec"
)
func init() {
caddytls.RegisterDNSProvider("generic", NewDNSProvider)
}
// NewDNSProvider returns a new exec DNS challenge provider.
// The credentials are interpreted as follows:
//
// len(0): use program to run from environment variable EXEC_PATH
// len(1): credentials[0] = program to run
func NewDNSProvider(credentials ...string) (caddytls.ChallengeProvider, error) {
switch len(credentials) {
case 0:
return exec.NewDNSProvider()
case 1:
config := exec.NewDefaultConfig()
config.Program = credentials[0]
return exec.NewDNSProviderConfig(config)
default:
return nil, errors.New("invalid credentials length")
}
}