/
godaddy.go
204 lines (164 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
202
203
204
// Package godaddy implements a DNS provider for solving the DNS-01 challenge using godaddy DNS.
package godaddy
import (
"errors"
"fmt"
"net/http"
"strings"
"time"
"github.com/go-acme/lego/v4/challenge/dns01"
"github.com/go-acme/lego/v4/platform/config/env"
"github.com/go-acme/lego/v4/providers/dns/godaddy/internal"
)
const minTTL = 600
// Environment variables names.
const (
envNamespace = "GODADDY_"
EnvAPIKey = envNamespace + "API_KEY"
EnvAPISecret = envNamespace + "API_SECRET"
EnvTTL = envNamespace + "TTL"
EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
)
// 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(EnvTTL, minTTL),
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 120*time.Second),
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 2*time.Second),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
},
}
}
// DNSProvider implements the challenge.Provider interface.
type DNSProvider struct {
config *Config
client *internal.Client
}
// 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(EnvAPIKey, EnvAPISecret)
if err != nil {
return nil, fmt.Errorf("godaddy: %w", err)
}
config := NewDefaultConfig()
config.APIKey = values[EnvAPIKey]
config.APISecret = values[EnvAPISecret]
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, errors.New("godaddy: credentials missing")
}
if config.TTL < minTTL {
return nil, fmt.Errorf("godaddy: invalid TTL, TTL (%d) must be greater than %d", config.TTL, minTTL)
}
client := internal.NewClient(config.APIKey, config.APISecret)
if config.HTTPClient != nil {
client.HTTPClient = config.HTTPClient
}
return &DNSProvider{config: config, client: client}, 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
}
// Present creates a TXT record to fulfill the dns-01 challenge.
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
domainZone, err := getZone(fqdn)
if err != nil {
return fmt.Errorf("godaddy: failed to get zone: %w", err)
}
recordName := extractRecordName(fqdn, domainZone)
records, err := d.client.GetRecords(domainZone, "TXT", recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to get TXT records: %w", err)
}
var newRecords []internal.DNSRecord
for _, record := range records {
if record.Data != "" {
newRecords = append(newRecords, record)
}
}
record := internal.DNSRecord{
Type: "TXT",
Name: recordName,
Data: value,
TTL: d.config.TTL,
}
newRecords = append(newRecords, record)
err = d.client.UpdateTxtRecords(newRecords, domainZone, recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to add TXT record: %w", err)
}
return nil
}
// CleanUp removes the record matching the specified parameters.
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
domainZone, err := getZone(fqdn)
if err != nil {
return fmt.Errorf("godaddy: failed to get zone: %w", err)
}
recordName := extractRecordName(fqdn, domainZone)
records, err := d.client.GetRecords(domainZone, "TXT", recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to get TXT records: %w", err)
}
if len(records) == 0 {
return nil
}
allTxtRecords, err := d.client.GetRecords(domainZone, "TXT", "")
if err != nil {
return fmt.Errorf("godaddy: failed to get all TXT records: %w", err)
}
var recordsKeep []internal.DNSRecord
for _, record := range allTxtRecords {
if record.Data != value && record.Data != "" {
recordsKeep = append(recordsKeep, record)
}
}
// GoDaddy API don't provide a way to delete a record, an "empty" record must be added.
if len(recordsKeep) == 0 {
emptyRecord := internal.DNSRecord{Name: "empty", Data: ""}
recordsKeep = append(recordsKeep, emptyRecord)
}
err = d.client.UpdateTxtRecords(recordsKeep, domainZone, "")
if err != nil {
return fmt.Errorf("godaddy: failed to remove TXT record: %w", err)
}
return nil
}
func extractRecordName(fqdn, zone string) string {
name := dns01.UnFqdn(fqdn)
if idx := strings.Index(name, "."+zone); idx != -1 {
return name[:idx]
}
return name
}
func getZone(fqdn string) (string, error) {
authZone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return "", err
}
return dns01.UnFqdn(authZone), nil
}