-
Notifications
You must be signed in to change notification settings - Fork 0
/
provider.go
294 lines (240 loc) · 7.36 KB
/
provider.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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
// Package easydns implements a DNS record management client compatible
// with the libdns interfaces for EasyDNS.
// See https://cp.easydns.com/manage/security/ to manage Token and Key information
// for your account.
package easydns
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"strconv"
"strings"
"time"
"github.com/libdns/libdns"
)
// Provider facilitates DNS record manipulation with EasyDNS.
type Provider struct {
// EasyDNS API Token (required)
APIToken string `json:"api_token,omitempty"`
// EasyDNS API Key (required)
APIKey string `json:"api_key,omitempty"`
// EasyDNS API URL (defaults to https://rest.easydns.net)
APIUrl string `json:"api_url,omitempty"`
}
// GetRecords lists all the records in the zone.
func (p *Provider) GetRecords(ctx context.Context, zone string) ([]libdns.Record, error) {
log.Println("Get Records for zone:", zone)
// Remove trailing dot from zone if present
zone = strings.TrimSuffix(zone, ".")
client := http.Client{}
var records []libdns.Record
resultObj := ZoneRecordResponse{}
url := fmt.Sprintf("%s/zones/records/all/%s?format=json", p.getApiUrl(), zone)
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
return nil, err
}
req.SetBasicAuth(p.APIToken, p.APIKey)
req.Header.Add("Accept", "application/json")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusCreated {
return nil, fmt.Errorf("could not get records for domain: %s, HTTP Status: %s", zone, resp.Status)
}
result, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
err = json.Unmarshal(result, &resultObj)
if err != nil {
return nil, err
}
if len(resultObj.Data) == 0 {
return nil, fmt.Errorf("no records found for domain: %s", zone)
}
for _, r := range resultObj.Data {
ttl, err := strconv.Atoi(r.TTL)
if err != nil {
return nil, err
}
priority, err := strconv.Atoi(r.Priority)
if err != nil {
priority = 0
}
records = append(records, libdns.Record{
ID: r.Id,
Type: r.Type,
Name: r.Host,
Value: r.Rdata,
TTL: time.Duration(ttl) * time.Second,
Priority: uint(priority),
})
}
return records, nil
}
// AppendRecords adds records to the zone. It returns the records that were added.
func (p *Provider) AppendRecords(ctx context.Context, zone string, records []libdns.Record) ([]libdns.Record, error) {
log.Println("Append Record(s) to zone:", zone)
var appendedRecords []libdns.Record
// Remove trailing dot from zone if present
zone = strings.TrimSuffix(zone, ".")
for _, record := range records {
client := http.Client{}
if record.TTL < time.Duration(300)*time.Second {
record.TTL = time.Duration(300) * time.Second
}
reqData, err := json.Marshal(AddEntry{
Domain: zone,
Host: record.Name,
TTL: int(record.TTL.Seconds()),
Priority: int(record.Priority),
Type: record.Type,
Rdata: record.Value,
})
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodPut, fmt.Sprintf("%s/zones/records/add/%s/%s",
p.getApiUrl(), zone, record.Type), bytes.NewBuffer(reqData))
if err != nil {
return nil, err
}
req.SetBasicAuth(p.APIToken, p.APIKey)
req.Header.Add("Content-Type", "application/json")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusCreated {
return nil, fmt.Errorf("could not add record [%s] for domain [%s]: HTTP Status: %s", record.Name, zone, resp.Status)
}
_, err = io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
appendedRecords = append(appendedRecords, record)
}
return appendedRecords, nil
}
// SetRecords sets the records in the zone, either by updating existing records or creating new ones.
// It returns the updated records.
func (p *Provider) SetRecords(ctx context.Context, zone string, records []libdns.Record) ([]libdns.Record, error) {
log.Println("Update Record(s) in zone:", zone)
// Remove trailing dot from zone if present
zone = strings.TrimSuffix(zone, ".")
var updatedRecords []libdns.Record
currentRecords, err := p.GetRecords(ctx, zone)
if err != nil {
return nil, err
}
for _, record := range records {
updated := false
for _, currentRecord := range currentRecords {
if currentRecord.Name == record.Name && currentRecord.Type == record.Type {
client := http.Client{}
if record.TTL < time.Duration(300)*time.Second {
record.TTL = time.Duration(300) * time.Second
}
reqData, err := json.Marshal(UpdateEntry{
Host: record.Name,
TTL: int(record.TTL.Seconds()),
Type: record.Type,
Rdata: record.Value,
})
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodPost, fmt.Sprintf("%s/zones/records/%s",
p.getApiUrl(), currentRecord.ID), bytes.NewBuffer(reqData))
if err != nil {
return nil, err
}
req.SetBasicAuth(p.APIToken, p.APIKey)
req.Header.Add("Content-Type", "application/json")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("could not update record for domain: %s, HTTP Status: %s", zone, resp.Status)
}
_, err = io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
updatedRecords = append(updatedRecords, record)
updated = true
break
}
}
if !updated {
added, err := p.AppendRecords(ctx, zone, []libdns.Record{record})
if err != nil {
return nil, err
}
updatedRecords = append(updatedRecords, added...)
}
}
return updatedRecords, nil
}
// DeleteRecords deletes the records from the zone. It returns the records that were deleted.
func (p *Provider) DeleteRecords(ctx context.Context, zone string, records []libdns.Record) ([]libdns.Record, error) {
log.Println("Delete Record(s) from zone:", zone)
// Remove trailing dot from zone if present
zone = strings.TrimSuffix(zone, ".")
var deletedRecords []libdns.Record
currentRecords, err := p.GetRecords(ctx, zone)
if err != nil {
return nil, err
}
for _, record := range records {
for _, currentRecord := range currentRecords {
if currentRecord.Name == record.Name && currentRecord.Type == record.Type {
client := http.Client{}
req, err := http.NewRequest(http.MethodDelete, fmt.Sprintf("%s/zones/records/%s/%s",
p.getApiUrl(), zone, currentRecord.ID), nil)
if err != nil {
return nil, err
}
req.SetBasicAuth(p.APIToken, p.APIKey)
req.Header.Add("Content-Type", "application/json")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("could not delete record for domain: %s, HTTP Status: %s", zone, resp.Status)
}
_, err = io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
deletedRecords = append(deletedRecords, record)
}
}
}
return deletedRecords, nil
}
// Interface guards
var (
_ libdns.RecordGetter = (*Provider)(nil)
_ libdns.RecordAppender = (*Provider)(nil)
_ libdns.RecordSetter = (*Provider)(nil)
_ libdns.RecordDeleter = (*Provider)(nil)
)
func (p *Provider) getApiUrl() string {
if p.APIUrl != "" {
return p.APIUrl
}
return "https://rest.easydns.net"
}