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challenge.go
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challenge.go
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// Copyright (c) 2016, Janoš Guljaš <janos@resenje.org>
// All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package boltCertificate
import (
"encoding/json"
"fmt"
"strings"
"github.com/boltdb/bolt"
"gopherpit.com/gopherpit/services/certificate"
)
var (
bucketNameACMEChallenges = []byte("ACMEChallenges")
)
type acmeChallengeRecord struct {
fqdn string
Token string `json:"token,omitempty"`
KeyAuth string `json:"key-auth,omitempty"`
}
func (t acmeChallengeRecord) export() *certificate.ACMEChallenge {
return &certificate.ACMEChallenge{
FQDN: t.fqdn,
Token: t.Token,
KeyAuth: t.KeyAuth,
}
}
func (t *acmeChallengeRecord) update(o *certificate.ACMEChallengeOptions) error {
if o.Token != nil {
t.Token = *o.Token
}
if o.KeyAuth != nil {
t.KeyAuth = *o.KeyAuth
}
return nil
}
func getACMEChallengeRecord(tx *bolt.Tx, fqdn []byte) (t *acmeChallengeRecord, err error) {
bucket := tx.Bucket(bucketNameACMEChallenges)
if bucket == nil {
err = certificate.ErrACMEChallengeNotFound
return
}
data := bucket.Get(fqdn)
if data == nil {
err = certificate.ErrACMEChallengeNotFound
return
}
if err = json.Unmarshal(data, &t); err != nil {
return
}
t.fqdn = string(fqdn)
return
}
func (t *acmeChallengeRecord) save(tx *bolt.Tx) (err error) {
t.fqdn = strings.ToLower(strings.TrimSpace(t.fqdn))
// Required fields
if t.fqdn == "" {
return certificate.ErrFQDNMissing
}
// Save the ACME Challenge record data
value, err := json.Marshal(t)
if err != nil {
return fmt.Errorf("json marshal: %s", err)
}
bucket, err := tx.CreateBucketIfNotExists(bucketNameACMEChallenges)
if err != nil {
return fmt.Errorf("CreateBucketIfNotExists(%s) %s", bucketNameACMEChallenges, err)
}
if err := bucket.Put([]byte(t.fqdn), value); err != nil {
return fmt.Errorf("bucket(%s).Put(%s) %s", bucketNameACMEChallenges, t.fqdn, err)
}
return nil
}
func (t acmeChallengeRecord) delete(tx *bolt.Tx) (err error) {
// ACME Challenge data
bucket, err := tx.CreateBucketIfNotExists(bucketNameACMEChallenges)
if err != nil {
return
}
return bucket.Delete([]byte(t.fqdn))
}
func getACMEChallenges(tx *bolt.Tx, start []byte, limit int) (page *certificate.ACMEChallengesPage, err error) {
bucket := tx.Bucket(bucketNameACMEChallenges)
if bucket != nil {
return
}
c := bucket.Cursor()
var k, v []byte
if len(start) == 0 {
k, v = c.First()
} else {
k, v = c.Seek(start)
var prev, p []byte
for i := 0; i < limit; i++ {
p, _ = c.Prev()
if p == nil {
break
}
prev = p
}
page.Previous = string(prev)
k, v = c.Seek(start)
}
var i int
var r *acmeChallengeRecord
for i = 0; k != nil && i < limit; i++ {
r = &acmeChallengeRecord{}
if err = json.Unmarshal(v, &r); err != nil {
return
}
r.fqdn = string(k)
e := r.export()
page.ACMEChallenges = append(page.ACMEChallenges, *e)
k, v = c.Next()
}
page.Next = string(k)
page.Count = int(i)
return
}