/
godaddy.go
201 lines (168 loc) · 5.51 KB
/
godaddy.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
// Package godaddy implements a DNS provider for solving the DNS-01 challenge using godaddy DNS.
package godaddy
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
"time"
"github.com/xenolf/lego/acme"
"github.com/xenolf/lego/platform/config/env"
)
const (
// defaultBaseURL represents the API endpoint to call.
defaultBaseURL = "https://api.godaddy.com"
minTTL = 600
)
// Config is used to configure the creation of the DNSProvider
type Config struct {
APIKey string
APISecret string
PropagationTimeout time.Duration
PollingInterval time.Duration
TTL int
HTTPClient *http.Client
}
// NewDefaultConfig returns a default configuration for the DNSProvider
func NewDefaultConfig() *Config {
return &Config{
TTL: env.GetOrDefaultInt("GODADDY_TTL", minTTL),
PropagationTimeout: env.GetOrDefaultSecond("GODADDY_PROPAGATION_TIMEOUT", 120*time.Second),
PollingInterval: env.GetOrDefaultSecond("GODADDY_POLLING_INTERVAL", 2*time.Second),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond("GODADDY_HTTP_TIMEOUT", 30*time.Second),
},
}
}
// DNSProvider is an implementation of the acme.ChallengeProvider interface
type DNSProvider struct {
config *Config
}
// NewDNSProvider returns a DNSProvider instance configured for godaddy.
// Credentials must be passed in the environment variables:
// GODADDY_API_KEY and GODADDY_API_SECRET.
func NewDNSProvider() (*DNSProvider, error) {
values, err := env.Get("GODADDY_API_KEY", "GODADDY_API_SECRET")
if err != nil {
return nil, fmt.Errorf("godaddy: %v", err)
}
config := NewDefaultConfig()
config.APIKey = values["GODADDY_API_KEY"]
config.APISecret = values["GODADDY_API_SECRET"]
return NewDNSProviderConfig(config)
}
// NewDNSProviderCredentials uses the supplied credentials
// to return a DNSProvider instance configured for godaddy.
// Deprecated
func NewDNSProviderCredentials(apiKey, apiSecret string) (*DNSProvider, error) {
config := NewDefaultConfig()
config.APIKey = apiKey
config.APISecret = apiSecret
return NewDNSProviderConfig(config)
}
// NewDNSProviderConfig return a DNSProvider instance configured for godaddy.
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
if config == nil {
return nil, errors.New("godaddy: the configuration of the DNS provider is nil")
}
if config.APIKey == "" || config.APISecret == "" {
return nil, fmt.Errorf("godaddy: credentials missing")
}
if config.TTL < minTTL {
return nil, fmt.Errorf("godaddy: invalid TTL, TTL (%d) must be greater than %d", config.TTL, minTTL)
}
return &DNSProvider{config: config}, nil
}
// Timeout returns the timeout and interval to use when checking for DNS
// propagation. Adjusting here to cope with spikes in propagation times.
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
}
func (d *DNSProvider) extractRecordName(fqdn, domain string) string {
name := acme.UnFqdn(fqdn)
if idx := strings.Index(name, "."+domain); idx != -1 {
return name[:idx]
}
return name
}
// Present creates a TXT record to fulfill the dns-01 challenge
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
fqdn, value, _ := acme.DNS01Record(domain, keyAuth)
domainZone, err := d.getZone(fqdn)
if err != nil {
return err
}
recordName := d.extractRecordName(fqdn, domainZone)
rec := []DNSRecord{
{
Type: "TXT",
Name: recordName,
Data: value,
TTL: d.config.TTL,
},
}
return d.updateRecords(rec, domainZone, recordName)
}
func (d *DNSProvider) updateRecords(records []DNSRecord, domainZone string, recordName string) error {
body, err := json.Marshal(records)
if err != nil {
return err
}
var resp *http.Response
resp, err = d.makeRequest(http.MethodPut, fmt.Sprintf("/v1/domains/%s/records/TXT/%s", domainZone, recordName), bytes.NewReader(body))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
bodyBytes, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("could not create record %v; Status: %v; Body: %s", string(body), resp.StatusCode, string(bodyBytes))
}
return nil
}
// CleanUp sets null value in the TXT DNS record as GoDaddy has no proper DELETE record method
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, _, _ := acme.DNS01Record(domain, keyAuth)
domainZone, err := d.getZone(fqdn)
if err != nil {
return err
}
recordName := d.extractRecordName(fqdn, domainZone)
rec := []DNSRecord{
{
Type: "TXT",
Name: recordName,
Data: "null",
},
}
return d.updateRecords(rec, domainZone, recordName)
}
func (d *DNSProvider) getZone(fqdn string) (string, error) {
authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
if err != nil {
return "", err
}
return acme.UnFqdn(authZone), nil
}
func (d *DNSProvider) makeRequest(method, uri string, body io.Reader) (*http.Response, error) {
req, err := http.NewRequest(method, fmt.Sprintf("%s%s", defaultBaseURL, uri), body)
if err != nil {
return nil, err
}
req.Header.Set("Accept", "application/json")
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", fmt.Sprintf("sso-key %s:%s", d.config.APIKey, d.config.APISecret))
return d.config.HTTPClient.Do(req)
}
// DNSRecord a DNS record
type DNSRecord struct {
Type string `json:"type"`
Name string `json:"name"`
Data string `json:"data"`
Priority int `json:"priority,omitempty"`
TTL int `json:"ttl,omitempty"`
}