mirror of
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317 lines
6.8 KiB
Go
317 lines
6.8 KiB
Go
package gandi
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"io"
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"io/ioutil"
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)
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// types for XML-RPC method calls and parameters
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type param interface {
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param()
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}
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type paramString struct {
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XMLName xml.Name `xml:"param"`
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Value string `xml:"value>string"`
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}
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type paramInt struct {
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XMLName xml.Name `xml:"param"`
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Value int `xml:"value>int"`
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}
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type structMember interface {
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structMember()
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}
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type structMemberString struct {
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Name string `xml:"name"`
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Value string `xml:"value>string"`
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}
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type structMemberInt struct {
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Name string `xml:"name"`
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Value int `xml:"value>int"`
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}
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type paramStruct struct {
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XMLName xml.Name `xml:"param"`
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StructMembers []structMember `xml:"value>struct>member"`
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}
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func (p paramString) param() {}
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func (p paramInt) param() {}
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func (m structMemberString) structMember() {}
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func (m structMemberInt) structMember() {}
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func (p paramStruct) param() {}
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type methodCall struct {
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XMLName xml.Name `xml:"methodCall"`
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MethodName string `xml:"methodName"`
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Params []param `xml:"params"`
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}
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// types for XML-RPC responses
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type response interface {
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faultCode() int
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faultString() string
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}
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type responseFault struct {
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FaultCode int `xml:"fault>value>struct>member>value>int"`
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FaultString string `xml:"fault>value>struct>member>value>string"`
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}
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func (r responseFault) faultCode() int { return r.FaultCode }
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func (r responseFault) faultString() string { return r.FaultString }
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type responseStruct struct {
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responseFault
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StructMembers []struct {
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Name string `xml:"name"`
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ValueInt int `xml:"value>int"`
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} `xml:"params>param>value>struct>member"`
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}
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type responseInt struct {
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responseFault
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Value int `xml:"params>param>value>int"`
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}
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type responseBool struct {
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responseFault
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Value bool `xml:"params>param>value>boolean"`
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}
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type rpcError struct {
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faultCode int
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faultString string
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}
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func (e rpcError) Error() string {
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return fmt.Sprintf("Gandi DNS: RPC Error: (%d) %s", e.faultCode, e.faultString)
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}
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// rpcCall makes an XML-RPC call to Gandi's RPC endpoint by
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// marshaling the data given in the call argument to XML and sending
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// that via HTTP Post to Gandi.
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// The response is then unmarshalled into the resp argument.
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func (d *DNSProvider) rpcCall(call *methodCall, resp response) error {
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// marshal
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b, err := xml.MarshalIndent(call, "", " ")
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if err != nil {
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return fmt.Errorf("marshal error: %v", err)
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}
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// post
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b = append([]byte(`<?xml version="1.0"?>`+"\n"), b...)
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respBody, err := d.httpPost(d.config.BaseURL, "text/xml", bytes.NewReader(b))
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if err != nil {
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return err
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}
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// unmarshal
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err = xml.Unmarshal(respBody, resp)
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if err != nil {
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return fmt.Errorf("unmarshal error: %v", err)
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}
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if resp.faultCode() != 0 {
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return rpcError{
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faultCode: resp.faultCode(), faultString: resp.faultString()}
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}
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return nil
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}
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// functions to perform API actions
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func (d *DNSProvider) getZoneID(domain string) (int, error) {
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resp := &responseStruct{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.info",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramString{Value: domain},
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},
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}, resp)
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if err != nil {
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return 0, err
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}
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var zoneID int
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for _, member := range resp.StructMembers {
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if member.Name == "zone_id" {
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zoneID = member.ValueInt
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}
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}
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if zoneID == 0 {
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return 0, fmt.Errorf("could not determine zone_id for %s", domain)
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}
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return zoneID, nil
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}
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func (d *DNSProvider) cloneZone(zoneID int, name string) (int, error) {
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resp := &responseStruct{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.clone",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramInt{Value: zoneID},
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paramInt{Value: 0},
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paramStruct{
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StructMembers: []structMember{
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structMemberString{
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Name: "name",
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Value: name,
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}},
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},
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},
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}, resp)
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if err != nil {
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return 0, err
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}
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var newZoneID int
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for _, member := range resp.StructMembers {
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if member.Name == "id" {
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newZoneID = member.ValueInt
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}
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}
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if newZoneID == 0 {
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return 0, fmt.Errorf("could not determine cloned zone_id")
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}
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return newZoneID, nil
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}
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func (d *DNSProvider) newZoneVersion(zoneID int) (int, error) {
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resp := &responseInt{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.version.new",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramInt{Value: zoneID},
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},
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}, resp)
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if err != nil {
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return 0, err
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}
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if resp.Value == 0 {
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return 0, fmt.Errorf("could not create new zone version")
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}
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return resp.Value, nil
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}
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func (d *DNSProvider) addTXTRecord(zoneID int, version int, name string, value string, ttl int) error {
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resp := &responseStruct{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.record.add",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramInt{Value: zoneID},
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paramInt{Value: version},
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paramStruct{
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StructMembers: []structMember{
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structMemberString{
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Name: "type",
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Value: "TXT",
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}, structMemberString{
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Name: "name",
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Value: name,
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}, structMemberString{
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Name: "value",
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Value: value,
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}, structMemberInt{
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Name: "ttl",
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Value: ttl,
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}},
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},
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},
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}, resp)
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return err
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}
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func (d *DNSProvider) setZoneVersion(zoneID int, version int) error {
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resp := &responseBool{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.version.set",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramInt{Value: zoneID},
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paramInt{Value: version},
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},
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}, resp)
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if err != nil {
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return err
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}
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if !resp.Value {
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return fmt.Errorf("could not set zone version")
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}
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return nil
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}
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func (d *DNSProvider) setZone(domain string, zoneID int) error {
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resp := &responseStruct{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.set",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramString{Value: domain},
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paramInt{Value: zoneID},
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},
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}, resp)
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if err != nil {
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return err
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}
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var respZoneID int
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for _, member := range resp.StructMembers {
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if member.Name == "zone_id" {
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respZoneID = member.ValueInt
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}
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}
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if respZoneID != zoneID {
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return fmt.Errorf("could not set new zone_id for %s", domain)
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}
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return nil
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}
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func (d *DNSProvider) deleteZone(zoneID int) error {
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resp := &responseBool{}
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err := d.rpcCall(&methodCall{
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MethodName: "domain.zone.delete",
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Params: []param{
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paramString{Value: d.config.APIKey},
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paramInt{Value: zoneID},
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},
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}, resp)
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if err != nil {
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return err
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}
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if !resp.Value {
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return fmt.Errorf("could not delete zone_id")
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}
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return nil
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}
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func (d *DNSProvider) httpPost(url string, bodyType string, body io.Reader) ([]byte, error) {
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resp, err := d.config.HTTPClient.Post(url, bodyType, body)
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if err != nil {
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return nil, fmt.Errorf("HTTP Post Error: %v", err)
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}
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defer resp.Body.Close()
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("HTTP Post Error: %v", err)
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}
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return b, nil
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}
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