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https://github.com/Buriburizaem0n/nezha_domains.git
synced 2026-11-04 16:40:21 +00:00
Update ddns.go
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77-QiQi authored and 
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commit
f2f10ea7bc
1 file changed
+103
-77
+103
-77
@@ -35,57 +35,62 @@ func (provider *Provider) GetProfileID() uint64 {
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}
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func (provider *Provider) UpdateDomain(ctx context.Context, overrideDomains ...string) {
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for _, domain := range utils.IfOr(len(overrideDomains) > 0, overrideDomains, provider.DDNSProfile.Domains) {
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for retries := range int(provider.DDNSProfile.MaxRetries) {
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log.Printf("NEZHA>> Updating DNS Record of domain %s: %d/%d", domain, retries+1, provider.DDNSProfile.MaxRetries)
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if err := provider.updateDomain(ctx, domain); err != nil {
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log.Printf("NEZHA>> Failed to update DNS record of domain %s: %v", domain, err)
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} else {
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log.Printf("NEZHA>> Update DNS record of domain %s succeeded", domain)
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break
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domains := utils.IfOr(len(overrideDomains) > 0, overrideDomains, provider.DDNSProfile.Domains)
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maxRetries := int(provider.DDNSProfile.MaxRetries)
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if maxRetries <= 0 {
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maxRetries = 1
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}
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for _, domain := range domains {
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var err error
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provider.prefix, provider.zone, err = provider.splitDomainSOA(ctx, domain)
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if err != nil {
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log.Printf("NEZHA>> Failed to split domain SOA for %s: %v", domain, err)
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continue
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}
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// 独立处理 IPv4 更新或删除
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if provider.DDNSProfile.EnableIPv4 != nil && *provider.DDNSProfile.EnableIPv4 {
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for retries := 0; retries < maxRetries; retries++ {
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log.Printf("NEZHA>> Updating IPv4 record of domain %s: %d/%d", domain, retries+1, maxRetries)
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var ipv4Err error
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if provider.IPAddrs.IPv4Addr == "" {
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ipv4Err = provider.deleteDomainRecord(ctx, "A")
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} else {
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ipv4Err = provider.addDomainRecord(ctx, "A", provider.IPAddrs.IPv4Addr)
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}
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if ipv4Err != nil {
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log.Printf("NEZHA>> Failed to update IPv4 record of domain %s: %v", domain, ipv4Err)
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} else {
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log.Printf("NEZHA>> Update IPv4 record of domain %s succeeded", domain)
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break
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}
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}
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}
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// 独立处理 IPv6 更新或删除
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if provider.DDNSProfile.EnableIPv6 != nil && *provider.DDNSProfile.EnableIPv6 {
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for retries := 0; retries < maxRetries; retries++ {
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log.Printf("NEZHA>> Updating IPv6 record of domain %s: %d/%d", domain, retries+1, maxRetries)
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var ipv6Err error
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if provider.IPAddrs.IPv6Addr == "" {
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ipv6Err = provider.deleteDomainRecord(ctx, "AAAA")
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} else {
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ipv6Err = provider.addDomainRecord(ctx, "AAAA", provider.IPAddrs.IPv6Addr)
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}
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if ipv6Err != nil {
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log.Printf("NEZHA>> Failed to update IPv6 record of domain %s: %v", domain, ipv6Err)
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} else {
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log.Printf("NEZHA>> Update IPv6 record of domain %s succeeded", domain)
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break
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}
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}
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}
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}
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}
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func (provider *Provider) updateDomain(ctx context.Context, domain string) error {
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var err error
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provider.prefix, provider.zone, err = provider.splitDomainSOA(ctx, domain)
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if err != nil {
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return err
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}
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// 独立处理 IPv4 更新或删除
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if *provider.DDNSProfile.EnableIPv4 {
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if provider.IPAddrs.IPv4Addr == "" {
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log.Printf("NEZHA>> IPv4 address is empty for domain %s, deleting A record...", domain)
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if err = provider.deleteDomainRecord(ctx, "A"); err != nil {
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return fmt.Errorf("failed to delete IPv4 record: %w", err)
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}
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} else {
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if err = provider.addDomainRecord(ctx, "A", provider.IPAddrs.IPv4Addr); err != nil {
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return err
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}
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}
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}
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// 独立处理 IPv6 更新或删除
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if *provider.DDNSProfile.EnableIPv6 {
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if provider.IPAddrs.IPv6Addr == "" {
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log.Printf("NEZHA>> IPv6 address is empty for domain %s, deleting AAAA record...", domain)
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if err = provider.deleteDomainRecord(ctx, "AAAA"); err != nil {
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return fmt.Errorf("failed to delete IPv6 record: %w", err)
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}
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} else {
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if err = provider.addDomainRecord(ctx, "AAAA", provider.IPAddrs.IPv6Addr); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (provider *Provider) addDomainRecord(ctx context.Context, recType, addr string) error {
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netipAddr, err := netip.ParseAddr(addr)
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if err != nil {
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@@ -103,68 +108,90 @@ func (provider *Provider) addDomainRecord(ctx context.Context, recType, addr str
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return err
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}
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// deleteDomainRecord 用于删除指定类型的解析记录
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// deleteDomainRecord 用于安全删除指定类型的解析记录
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func (provider *Provider) deleteDomainRecord(ctx context.Context, recType string) error {
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// 检查 libdns.RecordGetter 和 libdns.RecordDeleter
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getter, ok := provider.Setter.(libdns.RecordGetter)
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if !ok {
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return fmt.Errorf("dns provider does not support record getting")
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}
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// 同时断言 RecordGetter 与 RecordDeleter，防止提供商因缺少接口导致断言错误
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getter, okGetter := provider.Setter.(libdns.RecordGetter)
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deleter, okDeleter := provider.Setter.(libdns.RecordDeleter)
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deleter, ok := provider.Setter.(libdns.RecordDeleter)
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if !ok {
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return fmt.Errorf("dns provider does not support record deletion")
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}
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// 获取 DNS 记录
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allRecords, err := getter.GetRecords(ctx, provider.zone)
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if err != nil {
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return fmt.Errorf("failed to get DNS records: %w", err)
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if !okGetter || !okDeleter {
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log.Printf("NEZHA>> DNS provider does not support record getting or deletion, safely skipping deletion for %s", recType)
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return nil
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}
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cleanName := func(name string) string {
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return strings.ToLower(strings.TrimSuffix(name, "."))
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}
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cleanPrefix := cleanName(provider.prefix)
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cleanZone := cleanName(provider.zone)
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targetRecType := strings.ToUpper(recType)
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// 筛选和匹配
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// 通过特征匹配识别 Hurricane Electric (HE) 等特殊供应商
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providerType := strings.ToLower(fmt.Sprintf("%T", provider.Setter))
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isHeProvider := strings.Contains(providerType, "he") ||
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strings.Contains(providerType, "hurricane") ||
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strings.Contains(providerType, "dns.he")
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// 针对 HE 供应商：仅返回根域（@），无法枚举子域名
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if isHeProvider {
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log.Printf("NEZHA>> Provider identified as Hurricane Electric (HE) variant, using direct set deletion path for %s.%s", provider.prefix, provider.zone)
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var dummyIP netip.Addr
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if targetRecType == "A" {
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dummyIP = netip.MustParseAddr("0.0.0.0")
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} else {
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dummyIP = netip.MustParseAddr("::")
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}
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_, err := provider.Setter.SetRecords(ctx, provider.zone,
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[]libdns.Record{
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libdns.Address{
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Name: provider.prefix,
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IP: dummyIP,
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TTL: time.Minute,
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},
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})
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return err
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}
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// 获取 DNS 记录（针对标准提供商，如 Cloudflare）
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allRecords, err := getter.GetRecords(ctx, provider.zone)
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if err != nil {
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return fmt.Errorf("failed to get DNS records: %w", err)
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}
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cleanZone := cleanName(provider.zone)
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// 筛选和匹配目标记录
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var targetRecords []libdns.Record
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for _, rec := range allRecords {
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rr := rec.RR()
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recName := rr.Name
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currentType := strings.ToUpper(rr.Type)
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if currentType != targetRecType {
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if strings.ToUpper(rr.Type) != targetRecType {
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continue
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}
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relName := libdns.RelativeName(recName, provider.zone)
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relName := libdns.RelativeName(rr.Name, provider.zone)
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cleanRel := cleanName(relName)
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cleanRRName := cleanName(recName)
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cleanRRName := cleanName(rr.Name)
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isApex := cleanRel == "" || cleanRel == "@" || cleanRRName == cleanZone
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var matchedName bool
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if cleanPrefix == "" {
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matchedName = cleanRel == "" || cleanRel == "@" || cleanRRName == cleanZone
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matchedName = isApex
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} else {
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matchedName = cleanRel == cleanPrefix || cleanRRName == cleanPrefix
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}
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// 保留原始的 rec 接口（包含 Cloudflare 所需的 ProviderData 元数据），用于精准删除
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if matchedName {
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targetRecords = append(targetRecords, rec)
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}
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}
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// 若未找到对应记录，则直接返回成功（视为已删除或不存在）
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// 若未找到对应记录（例如已经成功删除），则直接返回成功
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if len(targetRecords) == 0 {
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log.Printf("NEZHA>> No matching %s record found for deletion under zone %s", recType, provider.zone)
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log.Printf("NEZHA>> No matching %s record found for deletion under zone %s, already clean", recType, provider.zone)
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return nil
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}
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// 执行删除操作
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// 执行实际删除操作
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_, err = deleter.DeleteRecords(ctx, provider.zone, targetRecords)
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if err != nil {
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return fmt.Errorf("deleter.DeleteRecords failed: %w", err)
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@@ -174,7 +201,7 @@ func (provider *Provider) deleteDomainRecord(ctx context.Context, recType string
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return nil
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}
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func (provider *Provider) splitDomainSOA(ctx context.Context, domain string) (prefix string, zone string, err error) {
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func (provider *Provider) splitDomainSOA(ctx context.Context, domain string, overrideServers ...string) (prefix string, zone string, err error) {
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c := &dns.Client{Timeout: dnsTimeOut}
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domain += "."
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@@ -201,7 +228,6 @@ func (provider *Provider) splitDomainSOA(ctx context.Context, domain string) (pr
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if soa, ok := r.Answer[0].(*dns.SOA); ok {
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zone := soa.Hdr.Name
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prefix := libdns.RelativeName(domain, zone)
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// Convert "@" to empty string for zone apex
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if prefix == "@" {
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prefix = ""
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}
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