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feat(dns): support vercel dns (#1049)
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* feat(dns): support vercel dns

* fix: Add case-insensitive comparison for IP address

* fix(i18n): use correct message key
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xiyaowong authored Mar 22, 2024
1 parent 4c11754 commit 997c05e
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Showing 3 changed files with 191 additions and 3 deletions.
3 changes: 2 additions & 1 deletion dns/index.go
Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,8 @@ func RunOnce() {
dnsSelected = &NameCheap{}
case "namesilo":
dnsSelected = &NameSilo{}
case "vercel":
dnsSelected = &Vercel{}
default:
dnsSelected = &Alidns{}
}
Expand All @@ -99,5 +101,4 @@ func RunOnce() {
}

util.ForceCompareGlobal = false

}
176 changes: 176 additions & 0 deletions dns/vercel.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,176 @@
package dns

import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"strconv"
"strings"

"github.com/jeessy2/ddns-go/v6/config"
"github.com/jeessy2/ddns-go/v6/util"
)

type Vercel struct {
DNS config.DNS
Domains config.Domains
TTL int
}

type ListExistingRecordsResponse struct {
Records []Record `json:"records"`
}

type Record struct {
ID string `json:"id"` // 记录ID
Slug string `json:"slug"`
Name string `json:"name"` // 记录名称
Type string `json:"type"` // 记录类型
Value string `json:"value"` // 记录值
Creator string `json:"creator"`
Created int64 `json:"created"`
Updated int64 `json:"updated"`
CreatedAt int64 `json:"createdAt"`
UpdatedAt int64 `json:"updatedAt"`
TTL int64 `json:"ttl"`
Comment *string `json:"comment,omitempty"`
}

func (v *Vercel) Init(dnsConf *config.DnsConfig, ipv4cache *util.IpCache, ipv6cache *util.IpCache) {
v.Domains.Ipv4Cache = ipv4cache
v.Domains.Ipv6Cache = ipv6cache
v.DNS = dnsConf.DNS
v.Domains.GetNewIp(dnsConf)

// Must be greater than 60
ttl, err := strconv.Atoi(dnsConf.TTL)
if err != nil {
ttl = 60
}
if ttl < 60 {
ttl = 60
}
v.TTL = ttl
}

func (v *Vercel) AddUpdateDomainRecords() (domains config.Domains) {
v.addUpdateDomainRecords("A")
v.addUpdateDomainRecords("AAAA")
return v.Domains
}

func (v *Vercel) addUpdateDomainRecords(recordType string) {
ipAddr, domains := v.Domains.GetNewIpResult(recordType)

if ipAddr == "" {
return
}

ipAddr = strings.ToLower(ipAddr)

var (
records []Record
err error
)
for _, domain := range domains {
records, err = v.listExistingRecords(domain)
if err != nil {
util.Log("查询域名信息发生异常! %s", err)
continue
}

var targetRecord *Record
for _, record := range records {
if record.Name == domain.SubDomain {
targetRecord = &record
break
}
}

if targetRecord == nil {
err = v.createRecord(domain, recordType, ipAddr)
} else {
if strings.ToLower(targetRecord.Value) == ipAddr {
util.Log("你的IP %s 没有变化, 域名 %s", ipAddr, domain)
domain.UpdateStatus = config.UpdatedNothing
continue
} else {
err = v.updateRecord(targetRecord, recordType, ipAddr)
}
}

operation := "新增"
if targetRecord != nil {
operation = "更新"
}
if err == nil {
util.Log(operation+"域名解析 %s 成功! IP: %s", domain, ipAddr)
domain.UpdateStatus = config.UpdatedSuccess
} else {
util.Log(operation+"域名解析 %s 失败! 异常信息: %s", domain, err)
domain.UpdateStatus = config.UpdatedFailed
}
}
}

func (v *Vercel) listExistingRecords(domain *config.Domain) (records []Record, err error) {
var result ListExistingRecordsResponse
err = v.request(http.MethodGet, "https://api.vercel.com/v4/domains/"+domain.DomainName+"/records", nil, &result)
if err != nil {
return
}
records = result.Records
return
}

func (v *Vercel) createRecord(domain *config.Domain, recordType string, recordValue string) (err error) {
err = v.request(http.MethodPost, "https://api.vercel.com/v2/domains/"+domain.DomainName+"/records", map[string]interface{}{
"name": domain.SubDomain,
"type": recordType,
"value": recordValue,
"ttl": v.TTL,
"comment": "Created by ddns-go",
}, nil)
return
}

func (v *Vercel) updateRecord(record *Record, recordType string, recordValue string) (err error) {
err = v.request(http.MethodPatch, "https://api.vercel.com/v1/domains/records/"+record.ID, map[string]interface{}{
"type": recordType,
"value": recordValue,
"ttl": v.TTL,
}, nil)
return
}

func (v *Vercel) request(method, api string, data, result interface{}) (err error) {
var payload []byte
if data != nil {
payload, _ = json.Marshal(data)
}

req, err := http.NewRequest(
method,
api,
bytes.NewBuffer(payload),
)
if err != nil {
return
}
req.Header.Set("Authorization", "Bearer "+v.DNS.Secret)
req.Header.Set("Content-Type", "application/json")

client := util.CreateHTTPClient()
resp, err := client.Do(req)
if err != nil {
return err
}
if resp.StatusCode != 200 {
return fmt.Errorf("Vercel API returned status code %d", resp.StatusCode)
}
if result != nil {
err = util.GetHTTPResponse(resp, err, result)
}
return
}
15 changes: 13 additions & 2 deletions static/constant.js
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,17 @@ const DNS_PROVIDERS = {
"zh-cn": "<a target='_blank' href='https://www.namesilo.com/account/api-manager'>开启namesilo动态域名解析</a> <b>请注意namesilo的TTL最低1小时</b>",
}
},
vercel: {
name: {
"en": "Vercel",
},
idLabel: "",
secretLabel: "Token",
helpHtml: {
"en": "<a target='_blank' href='https://vercel.com/account/tokens'>Create Token</a>",
"zh-cn": "<a target='_blank' href='https://vercel.com/account/tokens'>创建令牌</a>",
}
},
};

const SVG_CODE = {
Expand Down Expand Up @@ -172,7 +183,7 @@ const I18N_MAP = {
'domainsHelp': `
Enter one domain per line.
If the domain is unregistrable, manually separate it into a subdomain and a root domain by using a colon. e.g. <code>www:domain.example.com</code><br />
Support for <a target="blank" href="https://github.com/jeessy2/ddns-go/wiki/传递自定义参数">custom parameters</a> (Simplified Chinese)
`,
'Regular exp.': 'Regular exp.',
Expand Down Expand Up @@ -231,7 +242,7 @@ const I18N_MAP = {
'domainsHelp': `
每行一个域名。
如果域名不可注册,请使用冒号手动将其分为子域名和根域名。如 <code>www:domain.example.com</code><br />
支持<a target="blank" href="https://github.com/jeessy2/ddns-go/wiki/传递自定义参数">自定义参数</a>
`,
'Regular exp.': '匹配正则表达式',
Expand Down

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