Migrate to go-acme/lego.

vendor/github.com/go-acme/lego/providers/dns/gandi/client.go

@@ -0,0 +1,316 @@
+package gandi
+
+import (
+	"bytes"
+	"encoding/xml"
+	"fmt"
+	"io"
+	"io/ioutil"
+)
+
+// types for XML-RPC method calls and parameters
+
+type param interface {
+	param()
+}
+
+type paramString struct {
+	XMLName xml.Name `xml:"param"`
+	Value   string   `xml:"value>string"`
+}
+
+type paramInt struct {
+	XMLName xml.Name `xml:"param"`
+	Value   int      `xml:"value>int"`
+}
+
+type structMember interface {
+	structMember()
+}
+type structMemberString struct {
+	Name  string `xml:"name"`
+	Value string `xml:"value>string"`
+}
+type structMemberInt struct {
+	Name  string `xml:"name"`
+	Value int    `xml:"value>int"`
+}
+type paramStruct struct {
+	XMLName       xml.Name       `xml:"param"`
+	StructMembers []structMember `xml:"value>struct>member"`
+}
+
+func (p paramString) param()               {}
+func (p paramInt) param()                  {}
+func (m structMemberString) structMember() {}
+func (m structMemberInt) structMember()    {}
+func (p paramStruct) param()               {}
+
+type methodCall struct {
+	XMLName    xml.Name `xml:"methodCall"`
+	MethodName string   `xml:"methodName"`
+	Params     []param  `xml:"params"`
+}
+
+// types for XML-RPC responses
+
+type response interface {
+	faultCode() int
+	faultString() string
+}
+
+type responseFault struct {
+	FaultCode   int    `xml:"fault>value>struct>member>value>int"`
+	FaultString string `xml:"fault>value>struct>member>value>string"`
+}
+
+func (r responseFault) faultCode() int      { return r.FaultCode }
+func (r responseFault) faultString() string { return r.FaultString }
+
+type responseStruct struct {
+	responseFault
+	StructMembers []struct {
+		Name     string `xml:"name"`
+		ValueInt int    `xml:"value>int"`
+	} `xml:"params>param>value>struct>member"`
+}
+
+type responseInt struct {
+	responseFault
+	Value int `xml:"params>param>value>int"`
+}
+
+type responseBool struct {
+	responseFault
+	Value bool `xml:"params>param>value>boolean"`
+}
+
+type rpcError struct {
+	faultCode   int
+	faultString string
+}
+
+func (e rpcError) Error() string {
+	return fmt.Sprintf("Gandi DNS: RPC Error: (%d) %s", e.faultCode, e.faultString)
+}
+
+// rpcCall makes an XML-RPC call to Gandi's RPC endpoint by
+// marshaling the data given in the call argument to XML and sending
+// that via HTTP Post to Gandi.
+// The response is then unmarshalled into the resp argument.
+func (d *DNSProvider) rpcCall(call *methodCall, resp response) error {
+	// marshal
+	b, err := xml.MarshalIndent(call, "", "  ")
+	if err != nil {
+		return fmt.Errorf("marshal error: %v", err)
+	}
+
+	// post
+	b = append([]byte(`<?xml version="1.0"?>`+"\n"), b...)
+	respBody, err := d.httpPost(d.config.BaseURL, "text/xml", bytes.NewReader(b))
+	if err != nil {
+		return err
+	}
+
+	// unmarshal
+	err = xml.Unmarshal(respBody, resp)
+	if err != nil {
+		return fmt.Errorf("unmarshal error: %v", err)
+	}
+	if resp.faultCode() != 0 {
+		return rpcError{
+			faultCode: resp.faultCode(), faultString: resp.faultString()}
+	}
+	return nil
+}
+
+// functions to perform API actions
+
+func (d *DNSProvider) getZoneID(domain string) (int, error) {
+	resp := &responseStruct{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.info",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramString{Value: domain},
+		},
+	}, resp)
+	if err != nil {
+		return 0, err
+	}
+
+	var zoneID int
+	for _, member := range resp.StructMembers {
+		if member.Name == "zone_id" {
+			zoneID = member.ValueInt
+		}
+	}
+
+	if zoneID == 0 {
+		return 0, fmt.Errorf("could not determine zone_id for %s", domain)
+	}
+	return zoneID, nil
+}
+
+func (d *DNSProvider) cloneZone(zoneID int, name string) (int, error) {
+	resp := &responseStruct{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.clone",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramInt{Value: zoneID},
+			paramInt{Value: 0},
+			paramStruct{
+				StructMembers: []structMember{
+					structMemberString{
+						Name:  "name",
+						Value: name,
+					}},
+			},
+		},
+	}, resp)
+	if err != nil {
+		return 0, err
+	}
+
+	var newZoneID int
+	for _, member := range resp.StructMembers {
+		if member.Name == "id" {
+			newZoneID = member.ValueInt
+		}
+	}
+
+	if newZoneID == 0 {
+		return 0, fmt.Errorf("could not determine cloned zone_id")
+	}
+	return newZoneID, nil
+}
+
+func (d *DNSProvider) newZoneVersion(zoneID int) (int, error) {
+	resp := &responseInt{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.version.new",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramInt{Value: zoneID},
+		},
+	}, resp)
+	if err != nil {
+		return 0, err
+	}
+
+	if resp.Value == 0 {
+		return 0, fmt.Errorf("could not create new zone version")
+	}
+	return resp.Value, nil
+}
+
+func (d *DNSProvider) addTXTRecord(zoneID int, version int, name string, value string, ttl int) error {
+	resp := &responseStruct{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.record.add",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramInt{Value: zoneID},
+			paramInt{Value: version},
+			paramStruct{
+				StructMembers: []structMember{
+					structMemberString{
+						Name:  "type",
+						Value: "TXT",
+					}, structMemberString{
+						Name:  "name",
+						Value: name,
+					}, structMemberString{
+						Name:  "value",
+						Value: value,
+					}, structMemberInt{
+						Name:  "ttl",
+						Value: ttl,
+					}},
+			},
+		},
+	}, resp)
+	return err
+}
+
+func (d *DNSProvider) setZoneVersion(zoneID int, version int) error {
+	resp := &responseBool{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.version.set",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramInt{Value: zoneID},
+			paramInt{Value: version},
+		},
+	}, resp)
+	if err != nil {
+		return err
+	}
+
+	if !resp.Value {
+		return fmt.Errorf("could not set zone version")
+	}
+	return nil
+}
+
+func (d *DNSProvider) setZone(domain string, zoneID int) error {
+	resp := &responseStruct{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.set",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramString{Value: domain},
+			paramInt{Value: zoneID},
+		},
+	}, resp)
+	if err != nil {
+		return err
+	}
+
+	var respZoneID int
+	for _, member := range resp.StructMembers {
+		if member.Name == "zone_id" {
+			respZoneID = member.ValueInt
+		}
+	}
+
+	if respZoneID != zoneID {
+		return fmt.Errorf("could not set new zone_id for %s", domain)
+	}
+	return nil
+}
+
+func (d *DNSProvider) deleteZone(zoneID int) error {
+	resp := &responseBool{}
+	err := d.rpcCall(&methodCall{
+		MethodName: "domain.zone.delete",
+		Params: []param{
+			paramString{Value: d.config.APIKey},
+			paramInt{Value: zoneID},
+		},
+	}, resp)
+	if err != nil {
+		return err
+	}
+
+	if !resp.Value {
+		return fmt.Errorf("could not delete zone_id")
+	}
+	return nil
+}
+
+func (d *DNSProvider) httpPost(url string, bodyType string, body io.Reader) ([]byte, error) {
+	resp, err := d.config.HTTPClient.Post(url, bodyType, body)
+	if err != nil {
+		return nil, fmt.Errorf("HTTP Post Error: %v", err)
+	}
+	defer resp.Body.Close()
+
+	b, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("HTTP Post Error: %v", err)
+	}
+
+	return b, nil
+}