92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package tencentcloud
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/go-acme/lego/v4/challenge/dns01"
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"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
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errorsdk "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors"
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dnspod "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod/v20210323"
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"golang.org/x/net/idna"
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)
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func (d *DNSProvider) getHostedZone(domain string) (*dnspod.DomainListItem, error) {
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request := dnspod.NewDescribeDomainListRequest()
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var domains []*dnspod.DomainListItem
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for {
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response, err := d.client.DescribeDomainList(request)
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if err != nil {
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return nil, fmt.Errorf("API call failed: %w", err)
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}
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domains = append(domains, response.Response.DomainList...)
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if uint64(len(domains)) >= *response.Response.DomainCountInfo.AllTotal {
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break
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}
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request.Offset = common.Int64Ptr(int64(len(domains)))
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}
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authZone, err := dns01.FindZoneByFqdn(dns01.ToFqdn(domain))
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if err != nil {
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return nil, err
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}
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var hostedZone *dnspod.DomainListItem
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for _, zone := range domains {
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if *zone.Name == dns01.UnFqdn(authZone) {
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hostedZone = zone
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}
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}
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if hostedZone == nil {
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return nil, fmt.Errorf("zone %s not found in dnspod for domain %s", authZone, domain)
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}
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return hostedZone, nil
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}
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func (d *DNSProvider) findTxtRecords(zone *dnspod.DomainListItem, fqdn string) ([]*dnspod.RecordListItem, error) {
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recordName, err := extractRecordName(fqdn, *zone.Name)
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if err != nil {
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return nil, err
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}
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request := dnspod.NewDescribeRecordListRequest()
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request.Domain = zone.Name
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request.DomainId = zone.DomainId
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request.Subdomain = common.StringPtr(recordName)
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request.RecordType = common.StringPtr("TXT")
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request.RecordLine = common.StringPtr("默认")
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response, err := d.client.DescribeRecordList(request)
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if err != nil {
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var sdkError *errorsdk.TencentCloudSDKError
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if errors.As(err, &sdkError) {
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if sdkError.Code == dnspod.RESOURCENOTFOUND_NODATAOFRECORD {
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return nil, nil
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}
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}
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return nil, err
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}
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return response.Response.RecordList, nil
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}
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func extractRecordName(fqdn, zone string) (string, error) {
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asciiDomain, err := idna.ToASCII(zone)
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if err != nil {
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return "", fmt.Errorf("fail to convert punycode: %w", err)
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}
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name := dns01.UnFqdn(fqdn)
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if idx := strings.Index(name, "."+asciiDomain); idx != -1 {
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return name[:idx], nil
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}
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return name, nil
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}
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