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netcup: make unmarshalling of api-responses more leniant. (#685)

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This commit is contained in:
Konni Hartmann 2018-10-23 02:01:13 +02:00 committed by Ludovic Fernandez
parent a68cb214d3
commit 9b2a3a1873
4 changed files with 661 additions and 262 deletions
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215
providers/dns/netcup/client.go
View file

@ -25,27 +25,27 @@ type Request struct {
Param interface{} `json:"param"`
}
// LoginMsg as specified in netcup WSDL
// LoginRequest as specified in netcup WSDL
// https://ccp.netcup.net/run/webservice/servers/endpoint.php#login
type LoginMsg struct {
type LoginRequest struct {
CustomerNumber string `json:"customernumber"`
APIKey string `json:"apikey"`
APIPassword string `json:"apipassword"`
ClientRequestID string `json:"clientrequestid,omitempty"`
}
// LogoutMsg as specified in netcup WSDL
// LogoutRequest as specified in netcup WSDL
// https://ccp.netcup.net/run/webservice/servers/endpoint.php#logout
type LogoutMsg struct {
type LogoutRequest struct {
CustomerNumber string `json:"customernumber"`
APIKey string `json:"apikey"`
APISessionID string `json:"apisessionid"`
ClientRequestID string `json:"clientrequestid,omitempty"`
}
// UpdateDNSRecordsMsg as specified in netcup WSDL
// UpdateDNSRecordsRequest as specified in netcup WSDL
// https://ccp.netcup.net/run/webservice/servers/endpoint.php#updateDnsRecords
type UpdateDNSRecordsMsg struct {
type UpdateDNSRecordsRequest struct {
DomainName string `json:"domainname"`
CustomerNumber string `json:"customernumber"`
APIKey string `json:"apikey"`
@ -55,15 +55,15 @@ type UpdateDNSRecordsMsg struct {
}
// DNSRecordSet as specified in netcup WSDL
// needed in UpdateDNSRecordsMsg
// needed in UpdateDNSRecordsRequest
// https://ccp.netcup.net/run/webservice/servers/endpoint.php#Dnsrecordset
type DNSRecordSet struct {
DNSRecords []DNSRecord `json:"dnsrecords"`
}
// InfoDNSRecordsMsg as specified in netcup WSDL
// InfoDNSRecordsRequest as specified in netcup WSDL
// https://ccp.netcup.net/run/webservice/servers/endpoint.php#infoDnsRecords
type InfoDNSRecordsMsg struct {
type InfoDNSRecordsRequest struct {
DomainName string `json:"domainname"`
CustomerNumber string `json:"customernumber"`
APIKey string `json:"apikey"`
@ -94,26 +94,23 @@ type ResponseMsg struct {
StatusCode int `json:"statuscode"`
ShortMessage string `json:"shortmessage"`
LongMessage string `json:"longmessage"`
ResponseData ResponseData `json:"responsedata,omitempty"`
ResponseData json.RawMessage `json:"responsedata,omitempty"`
}
// LogoutResponseMsg similar to ResponseMsg
// allows empty ResponseData field whilst unmarshaling
type LogoutResponseMsg struct {
ServerRequestID string `json:"serverrequestid"`
ClientRequestID string `json:"clientrequestid,omitempty"`
Action string `json:"action"`
Status string `json:"status"`
StatusCode int `json:"statuscode"`
ShortMessage string `json:"shortmessage"`
LongMessage string `json:"longmessage"`
ResponseData string `json:"responsedata,omitempty"`
func (r *ResponseMsg) Error() string {
return fmt.Sprintf("an error occurred during the action %s: [Status=%s, StatusCode=%d, ShortMessage=%s, LongMessage=%s]",
r.Action, r.Status, r.StatusCode, r.ShortMessage, r.LongMessage)
}
// ResponseData to enable correct unmarshaling of ResponseMsg
type ResponseData struct {
// LoginResponse response to login action.
type LoginResponse struct {
APISessionID string `json:"apisessionid"`
DNSRecords []DNSRecord `json:"dnsrecords"`
}
// InfoDNSRecordsResponse response to infoDnsRecords action.
type InfoDNSRecordsResponse struct {
APISessionID string `json:"apisessionid"`
DNSRecords []DNSRecord `json:"dnsrecords,omitempty"`
}
// Client netcup DNS client
@ -126,7 +123,11 @@ type Client struct {
}
// NewClient creates a netcup DNS client
func NewClient(customerNumber string, apiKey string, apiPassword string) *Client {
func NewClient(customerNumber string, apiKey string, apiPassword string) (*Client, error) {
if customerNumber == "" || apiKey == "" || apiPassword == "" {
return nil, fmt.Errorf("credentials missing")
}
return &Client{
customerNumber: customerNumber,
apiKey: apiKey,
@ -135,7 +136,7 @@ func NewClient(customerNumber string, apiKey string, apiPassword string) *Client
HTTPClient: &http.Client{
Timeout: 10 * time.Second,
},
}
}, nil
}
// Login performs the login as specified by the netcup WSDL
@ -144,7 +145,7 @@ func NewClient(customerNumber string, apiKey string, apiPassword string) *Client
func (c *Client) Login() (string, error) {
payload := &Request{
Action: "login",
Param: &LoginMsg{
Param: &LoginRequest{
CustomerNumber: c.customerNumber,
APIKey: c.apiKey,
APIPassword: c.apiPassword,
@ -152,21 +153,13 @@ func (c *Client) Login() (string, error) {
},
}
response, err := c.sendRequest(payload)
var responseData LoginResponse
err := c.doRequest(payload, &responseData)
if err != nil {
return "", fmt.Errorf("error sending request to DNS-API, %v", err)
return "", fmt.Errorf("loging error: %v", err)
}
var r ResponseMsg
err = json.Unmarshal(response, &r)
if err != nil {
return "", fmt.Errorf("error decoding response of DNS-API, %v", err)
}
if r.Status != success {
return "", fmt.Errorf("error logging into DNS-API, %v", r.LongMessage)
}
return r.ResponseData.APISessionID, nil
return responseData.APISessionID, nil
}
// Logout performs the logout with the supplied sessionID as specified by the netcup WSDL
@ -174,7 +167,7 @@ func (c *Client) Login() (string, error) {
func (c *Client) Logout(sessionID string) error {
payload := &Request{
Action: "logout",
Param: &LogoutMsg{
Param: &LogoutRequest{
CustomerNumber: c.customerNumber,
APIKey: c.apiKey,
APISessionID: sessionID,
@ -182,54 +175,34 @@ func (c *Client) Logout(sessionID string) error {
},
}
response, err := c.sendRequest(payload)
err := c.doRequest(payload, nil)
if err != nil {
return fmt.Errorf("error logging out of DNS-API: %v", err)
return fmt.Errorf("logout error: %v", err)
}
var r LogoutResponseMsg
err = json.Unmarshal(response, &r)
if err != nil {
return fmt.Errorf("error logging out of DNS-API: %v", err)
}
if r.Status != success {
return fmt.Errorf("error logging out of DNS-API: %v", r.ShortMessage)
}
return nil
}
// UpdateDNSRecord performs an update of the DNSRecords as specified by the netcup WSDL
// https://ccp.netcup.net/run/webservice/servers/endpoint.php
func (c *Client) UpdateDNSRecord(sessionID, domainName string, record DNSRecord) error {
func (c *Client) UpdateDNSRecord(sessionID, domainName string, records []DNSRecord) error {
payload := &Request{
Action: "updateDnsRecords",
Param: UpdateDNSRecordsMsg{
Param: UpdateDNSRecordsRequest{
DomainName: domainName,
CustomerNumber: c.customerNumber,
APIKey: c.apiKey,
APISessionID: sessionID,
ClientRequestID: "",
DNSRecordSet: DNSRecordSet{DNSRecords: []DNSRecord{record}},
DNSRecordSet: DNSRecordSet{DNSRecords: records},
},
}
response, err := c.sendRequest(payload)
err := c.doRequest(payload, nil)
if err != nil {
return err
return fmt.Errorf("error when sending the request: %v", err)
}
var r ResponseMsg
err = json.Unmarshal(response, &r)
if err != nil {
return err
}
if r.Status != success {
return fmt.Errorf("%s: %+v", r.ShortMessage, r)
}
return nil
}
@ -239,7 +212,7 @@ func (c *Client) UpdateDNSRecord(sessionID, domainName string, record DNSRecord)
func (c *Client) GetDNSRecords(hostname, apiSessionID string) ([]DNSRecord, error) {
payload := &Request{
Action: "infoDnsRecords",
Param: InfoDNSRecordsMsg{
Param: InfoDNSRecordsRequest{
DomainName: hostname,
CustomerNumber: c.customerNumber,
APIKey: c.apiKey,
@ -248,82 +221,98 @@ func (c *Client) GetDNSRecords(hostname, apiSessionID string) ([]DNSRecord, erro
},
}
response, err := c.sendRequest(payload)
var responseData InfoDNSRecordsResponse
err := c.doRequest(payload, &responseData)
if err != nil {
return nil, err
return nil, fmt.Errorf("error when sending the request: %v", err)
}
var r ResponseMsg
err = json.Unmarshal(response, &r)
if err != nil {
return nil, err
}
if r.Status != success {
return nil, fmt.Errorf("%s", r.ShortMessage)
}
return r.ResponseData.DNSRecords, nil
return responseData.DNSRecords, nil
}
// sendRequest marshals given body to JSON, send the request to netcup API
// doRequest marshals given body to JSON, send the request to netcup API
// and returns body of response
func (c *Client) sendRequest(payload interface{}) ([]byte, error) {
func (c *Client) doRequest(payload interface{}, responseData interface{}) error {
body, err := json.Marshal(payload)
if err != nil {
return nil, err
return err
}
req, err := http.NewRequest(http.MethodPost, c.BaseURL, bytes.NewReader(body))
if err != nil {
return nil, err
return err
}
req.Close = true
req.Close = true
req.Header.Set("content-type", "application/json")
req.Header.Set("User-Agent", acme.UserAgent)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
return err
}
if resp.StatusCode > 299 {
return nil, fmt.Errorf("API request failed with HTTP Status code %d", resp.StatusCode)
if err = checkResponse(resp); err != nil {
return err
}
body, err = ioutil.ReadAll(resp.Body)
respMsg, err := decodeResponseMsg(resp)
if err != nil {
return nil, fmt.Errorf("read of response body failed, %v", err)
return err
}
if respMsg.Status != success {
return respMsg
}
if responseData != nil {
err = json.Unmarshal(respMsg.ResponseData, responseData)
if err != nil {
return fmt.Errorf("%v: unmarshaling %T error: %v: %s",
respMsg, responseData, err, string(respMsg.ResponseData))
}
}
return nil
}
func checkResponse(resp *http.Response) error {
if resp.StatusCode > 299 {
if resp.Body == nil {
return fmt.Errorf("response body is nil, status code=%d", resp.StatusCode)
}
defer resp.Body.Close()
return body, nil
raw, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("unable to read body: status code=%d, error=%v", resp.StatusCode, err)
}
// GetDNSRecordIdx searches a given array of DNSRecords for a given DNSRecord
// equivalence is determined by Destination and RecortType attributes
// returns index of given DNSRecord in given array of DNSRecords
func GetDNSRecordIdx(records []DNSRecord, record DNSRecord) (int, error) {
for index, element := range records {
if record.Destination == element.Destination && record.RecordType == element.RecordType {
return index, nil
}
}
return -1, fmt.Errorf("no DNS Record found")
return fmt.Errorf("status code=%d: %s", resp.StatusCode, string(raw))
}
// CreateTxtRecord uses the supplied values to return a DNSRecord of type TXT for the dns-01 challenge
func CreateTxtRecord(hostname, value string, ttl int) DNSRecord {
return DNSRecord{
ID: 0,
Hostname: hostname,
RecordType: "TXT",
Priority: "",
Destination: value,
DeleteRecord: false,
State: "",
TTL: ttl,
return nil
}
func decodeResponseMsg(resp *http.Response) (*ResponseMsg, error) {
if resp.Body == nil {
return nil, fmt.Errorf("response body is nil, status code=%d", resp.StatusCode)
}
defer resp.Body.Close()
raw, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("unable to read body: status code=%d, error=%v", resp.StatusCode, err)
}
var respMsg ResponseMsg
err = json.Unmarshal(raw, &respMsg)
if err != nil {
return nil, fmt.Errorf("unmarshaling %T error [status code=%d]: %v: %s", respMsg, resp.StatusCode, err, string(raw))
}
return &respMsg, nil
}

490
providers/dns/netcup/client_test.go
View file

@ -2,6 +2,10 @@ package netcup
import (
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strconv"
"strings"
"testing"
@ -10,6 +14,371 @@ import (
"github.com/xenolf/lego/acme"
)
func setupClientTest() (*Client, *http.ServeMux, func()) {
handler := http.NewServeMux()
server := httptest.NewServer(handler)
client, err := NewClient("a", "b", "c")
if err != nil {
panic(err)
}
client.BaseURL = server.URL
return client, handler, server.Close
}
func TestClient_Login(t *testing.T) {
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
raw, err := ioutil.ReadAll(req.Body)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
if string(raw) != `{"action":"login","param":{"customernumber":"a","apikey":"b","apipassword":"c"}}` {
http.Error(rw, fmt.Sprintf("invalid request body: %s", string(raw)), http.StatusBadRequest)
}
response := `
{
"serverrequestid": "srv-request-id",
"clientrequestid": "",
"action": "login",
"status": "success",
"statuscode": 2000,
"shortmessage": "Login successful",
"longmessage": "Session has been created successful.",
"responsedata": {
"apisessionid": "api-session-id"
}
}
`
_, err = rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
})
sessionID, err := client.Login()
require.NoError(t, err)
assert.Equal(t, "api-session-id", sessionID)
}
func TestClient_Login_errors(t *testing.T) {
testCases := []struct {
desc string
handler func(rw http.ResponseWriter, req *http.Request)
}{
{
desc: "HTTP error",
handler: func(rw http.ResponseWriter, req *http.Request) {
http.Error(rw, "error message", http.StatusInternalServerError)
},
},
{
desc: "API error",
handler: func(rw http.ResponseWriter, req *http.Request) {
response := `
{
"serverrequestid":"YxTr4EzdbJ101T211zR4yzUEMVE",
"clientrequestid":"",
"action":"login",
"status":"error",
"statuscode":4013,
"shortmessage":"Validation Error.",
"longmessage":"Message is empty.",
"responsedata":""
}`
_, err := rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
},
},
{
desc: "responsedata marshaling error",
handler: func(rw http.ResponseWriter, req *http.Request) {
response := `
{
"serverrequestid": "srv-request-id",
"clientrequestid": "",
"action": "login",
"status": "success",
"statuscode": 2000,
"shortmessage": "Login successful",
"longmessage": "Session has been created successful.",
"responsedata": ""
}`
_, err := rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", test.handler)
sessionID, err := client.Login()
assert.Error(t, err)
assert.Equal(t, "", sessionID)
})
}
}
func TestClient_Logout(t *testing.T) {
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
raw, err := ioutil.ReadAll(req.Body)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
if string(raw) != `{"action":"logout","param":{"customernumber":"a","apikey":"b","apisessionid":"session-id"}}` {
http.Error(rw, fmt.Sprintf("invalid request body: %s", string(raw)), http.StatusBadRequest)
}
response := `
{
"serverrequestid": "request-id",
"clientrequestid": "",
"action": "logout",
"status": "success",
"statuscode": 2000,
"shortmessage": "Logout successful",
"longmessage": "Session has been terminated successful.",
"responsedata": ""
}`
_, err = rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
})
err := client.Logout("session-id")
require.NoError(t, err)
}
func TestClient_Logout_errors(t *testing.T) {
testCases := []struct {
desc string
handler func(rw http.ResponseWriter, req *http.Request)
}{
{
desc: "HTTP error",
handler: func(rw http.ResponseWriter, req *http.Request) {
http.Error(rw, "error message", http.StatusInternalServerError)
},
},
{
desc: "API error",
handler: func(rw http.ResponseWriter, req *http.Request) {
response := `
{
"serverrequestid":"YxTr4EzdbJ101T211zR4yzUEMVE",
"clientrequestid":"",
"action":"logout",
"status":"error",
"statuscode":4013,
"shortmessage":"Validation Error.",
"longmessage":"Message is empty.",
"responsedata":""
}`
_, err := rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", test.handler)
err := client.Logout("session-id")
require.Error(t, err)
})
}
}
func TestClient_GetDNSRecords(t *testing.T) {
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
raw, err := ioutil.ReadAll(req.Body)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
if string(raw) != `{"action":"infoDnsRecords","param":{"domainname":"example.com","customernumber":"a","apikey":"b","apisessionid":"api-session-id"}}` {
http.Error(rw, fmt.Sprintf("invalid request body: %s", string(raw)), http.StatusBadRequest)
}
response := `
{
"serverrequestid":"srv-request-id",
"clientrequestid":"",
"action":"infoDnsRecords",
"status":"success",
"statuscode":2000,
"shortmessage":"Login successful",
"longmessage":"Session has been created successful.",
"responsedata":{
"apisessionid":"api-session-id",
"dnsrecords":[
{
"id":"1",
"hostname":"example.com",
"type":"TXT",
"priority":"1",
"destination":"bGVnbzE=",
"state":"yes",
"ttl":300
},
{
"id":"2",
"hostname":"example2.com",
"type":"TXT",
"priority":"1",
"destination":"bGVnbw==",
"state":"yes",
"ttl":300
}
]
}
}`
_, err = rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
})
expected := []DNSRecord{{
ID: 1,
Hostname: "example.com",
RecordType: "TXT",
Priority: "1",
Destination: "bGVnbzE=",
DeleteRecord: false,
State: "yes",
TTL: 300,
}, {
ID: 2,
Hostname: "example2.com",
RecordType: "TXT",
Priority: "1",
Destination: "bGVnbw==",
DeleteRecord: false,
State: "yes",
TTL: 300,
}}
records, err := client.GetDNSRecords("example.com", "api-session-id")
require.NoError(t, err)
assert.Equal(t, expected, records)
}
func TestClient_GetDNSRecords_errors(t *testing.T) {
testCases := []struct {
desc string
handler func(rw http.ResponseWriter, req *http.Request)
}{
{
desc: "HTTP error",
handler: func(rw http.ResponseWriter, req *http.Request) {
http.Error(rw, "error message", http.StatusInternalServerError)
},
},
{
desc: "API error",
handler: func(rw http.ResponseWriter, req *http.Request) {
response := `
{
"serverrequestid":"YxTr4EzdbJ101T211zR4yzUEMVE",
"clientrequestid":"",
"action":"infoDnsRecords",
"status":"error",
"statuscode":4013,
"shortmessage":"Validation Error.",
"longmessage":"Message is empty.",
"responsedata":""
}`
_, err := rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
},
},
{
desc: "responsedata marshaling error",
handler: func(rw http.ResponseWriter, req *http.Request) {
raw, err := ioutil.ReadAll(req.Body)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
if string(raw) != `{"action":"infoDnsRecords","param":{"domainname":"example.com","customernumber":"a","apikey":"b","apisessionid":"api-session-id"}}` {
http.Error(rw, fmt.Sprintf("invalid request body: %s", string(raw)), http.StatusBadRequest)
}
response := `
{
"serverrequestid":"srv-request-id",
"clientrequestid":"",
"action":"infoDnsRecords",
"status":"success",
"statuscode":2000,
"shortmessage":"Login successful",
"longmessage":"Session has been created successful.",
"responsedata":""
}`
_, err = rw.Write([]byte(response))
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
}
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
client, mux, tearDown := setupClientTest()
defer tearDown()
mux.HandleFunc("/", test.handler)
records, err := client.GetDNSRecords("example.com", "api-session-id")
require.Error(t, err)
assert.Empty(t, records)
})
}
}
func TestLiveClientAuth(t *testing.T) {
if !envTest.IsLiveTest() {
t.Skip("skipping live test")
@ -18,14 +387,15 @@ func TestLiveClientAuth(t *testing.T) {
// Setup
envTest.RestoreEnv()
client := NewClient(
client, err := NewClient(
envTest.GetValue("NETCUP_CUSTOMER_NUMBER"),
envTest.GetValue("NETCUP_API_KEY"),
envTest.GetValue("NETCUP_API_PASSWORD"))
require.NoError(t, err)
for i := 1; i < 4; i++ {
i := i
t.Run("Test"+string(i), func(t *testing.T) {
t.Run("Test_"+strconv.Itoa(i), func(t *testing.T) {
t.Parallel()
sessionID, err := client.Login()
@ -46,10 +416,11 @@ func TestLiveClientGetDnsRecords(t *testing.T) {
// Setup
envTest.RestoreEnv()
client := NewClient(
client, err := NewClient(
envTest.GetValue("NETCUP_CUSTOMER_NUMBER"),
envTest.GetValue("NETCUP_API_KEY"),
envTest.GetValue("NETCUP_API_PASSWORD"))
require.NoError(t, err)
sessionID, err := client.Login()
require.NoError(t, err)
@ -78,10 +449,11 @@ func TestLiveClientUpdateDnsRecord(t *testing.T) {
// Setup
envTest.RestoreEnv()
client := NewClient(
client, err := NewClient(
envTest.GetValue("NETCUP_CUSTOMER_NUMBER"),
envTest.GetValue("NETCUP_API_KEY"),
envTest.GetValue("NETCUP_API_PASSWORD"))
require.NoError(t, err)
sessionID, err := client.Login()
require.NoError(t, err)
@ -93,18 +465,18 @@ func TestLiveClientUpdateDnsRecord(t *testing.T) {
hostname := strings.Replace(fqdn, "."+zone, "", 1)
record := CreateTxtRecord(hostname, "asdf5678", 120)
record := createTxtRecord(hostname, "asdf5678", 120)
// test
zone = acme.UnFqdn(zone)
err = client.UpdateDNSRecord(sessionID, zone, record)
err = client.UpdateDNSRecord(sessionID, zone, []DNSRecord{record})
require.NoError(t, err)
records, err := client.GetDNSRecords(zone, sessionID)
require.NoError(t, err)
recordIdx, err := GetDNSRecordIdx(records, record)
recordIdx, err := getDNSRecordIdx(records, record)
require.NoError(t, err)
assert.Equal(t, record.Hostname, records[recordIdx].Hostname)
@ -115,111 +487,9 @@ func TestLiveClientUpdateDnsRecord(t *testing.T) {
records[recordIdx].DeleteRecord = true
// Tear down
err = client.UpdateDNSRecord(sessionID, envTest.GetDomain(), records[recordIdx])
err = client.UpdateDNSRecord(sessionID, envTest.GetDomain(), []DNSRecord{records[recordIdx]})
require.NoError(t, err, "Did not remove record! Please do so yourself.")
err = client.Logout(sessionID)
require.NoError(t, err)
}
func TestClientGetDnsRecordIdx(t *testing.T) {
records := []DNSRecord{
{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
{
ID: 23456,
Hostname: "@",
RecordType: "A",
Priority: "0",
Destination: "127.0.0.1",
DeleteRecord: false,
State: "yes",
},
{
ID: 34567,
Hostname: "dfgh",
RecordType: "CNAME",
Priority: "0",
Destination: "example.com",
DeleteRecord: false,
State: "yes",
},
{
ID: 45678,
Hostname: "fghj",
RecordType: "MX",
Priority: "10",
Destination: "mail.example.com",
DeleteRecord: false,
State: "yes",
},
}
testCases := []struct {
desc string
record DNSRecord
expectError bool
}{
{
desc: "simple",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
},
{
desc: "wrong Destination",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "wrong",
DeleteRecord: false,
State: "yes",
},
expectError: true,
},
{
desc: "record type CNAME",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "CNAME",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
expectError: true,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
idx, err := GetDNSRecordIdx(records, test.record)
if test.expectError {
assert.Error(t, err)
assert.Equal(t, -1, idx)
} else {
assert.NoError(t, err)
assert.Equal(t, records[idx], test.record)
}
})
}
}

91
providers/dns/netcup/netcup.go
View file

@ -9,6 +9,7 @@ import (
"time"
"github.com/xenolf/lego/acme"
"github.com/xenolf/lego/log"
"github.com/xenolf/lego/platform/config/env"
)
@ -27,8 +28,8 @@ type Config struct {
func NewDefaultConfig() *Config {
return &Config{
TTL: env.GetOrDefaultInt("NETCUP_TTL", 120),
PropagationTimeout: env.GetOrDefaultSecond("NETCUP_PROPAGATION_TIMEOUT", acme.DefaultPropagationTimeout),
PollingInterval: env.GetOrDefaultSecond("NETCUP_POLLING_INTERVAL", acme.DefaultPollingInterval),
PropagationTimeout: env.GetOrDefaultSecond("NETCUP_PROPAGATION_TIMEOUT", 120*time.Second),
PollingInterval: env.GetOrDefaultSecond("NETCUP_POLLING_INTERVAL", 5*time.Second),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond("NETCUP_HTTP_TIMEOUT", 10*time.Second),
},
@ -76,11 +77,11 @@ func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
return nil, errors.New("netcup: the configuration of the DNS provider is nil")
}
if config.Customer == "" || config.Key == "" || config.Password == "" {
return nil, fmt.Errorf("netcup: netcup credentials missing")
client, err := NewClient(config.Customer, config.Key, config.Password)
if err != nil {
return nil, fmt.Errorf("netcup: %v", err)
}
client := NewClient(config.Customer, config.Key, config.Password)
client.HTTPClient = config.HTTPClient
return &DNSProvider{client: client, config: config}, nil
@ -100,27 +101,37 @@ func (d *DNSProvider) Present(domainName, token, keyAuth string) error {
return fmt.Errorf("netcup: %v", err)
}
hostname := strings.Replace(fqdn, "."+zone, "", 1)
record := CreateTxtRecord(hostname, value, d.config.TTL)
err = d.client.UpdateDNSRecord(sessionID, acme.UnFqdn(zone), record)
defer func() {
err = d.client.Logout(sessionID)
if err != nil {
if errLogout := d.client.Logout(sessionID); errLogout != nil {
return fmt.Errorf("netcup: failed to add TXT-Record: %v; %v", err, errLogout)
log.Print("netcup: %v", err)
}
}()
hostname := strings.Replace(fqdn, "."+zone, "", 1)
record := createTxtRecord(hostname, value, d.config.TTL)
zone = acme.UnFqdn(zone)
records, err := d.client.GetDNSRecords(zone, sessionID)
if err != nil {
// skip no existing records
log.Infof("no existing records, error ignored: %v", err)
}
records = append(records, record)
err = d.client.UpdateDNSRecord(sessionID, zone, records)
if err != nil {
return fmt.Errorf("netcup: failed to add TXT-Record: %v", err)
}
err = d.client.Logout(sessionID)
if err != nil {
return fmt.Errorf("netcup: %v", err)
}
return nil
}
// CleanUp removes the TXT record matching the specified parameters
func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
fqdn, value, _ := acme.DNS01Record(domainname, keyAuth)
func (d *DNSProvider) CleanUp(domainName, token, keyAuth string) error {
fqdn, value, _ := acme.DNS01Record(domainName, keyAuth)
zone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
if err != nil {
@ -132,6 +143,13 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
return fmt.Errorf("netcup: %v", err)
}
defer func() {
err = d.client.Logout(sessionID)
if err != nil {
log.Print("netcup: %v", err)
}
}()
hostname := strings.Replace(fqdn, "."+zone, "", 1)
zone = acme.UnFqdn(zone)
@ -141,27 +159,20 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
return fmt.Errorf("netcup: %v", err)
}
record := CreateTxtRecord(hostname, value, 0)
record := createTxtRecord(hostname, value, 0)
idx, err := GetDNSRecordIdx(records, record)
idx, err := getDNSRecordIdx(records, record)
if err != nil {
return fmt.Errorf("netcup: %v", err)
}
records[idx].DeleteRecord = true
err = d.client.UpdateDNSRecord(sessionID, zone, records[idx])
err = d.client.UpdateDNSRecord(sessionID, zone, []DNSRecord{records[idx]})
if err != nil {
if errLogout := d.client.Logout(sessionID); errLogout != nil {
return fmt.Errorf("netcup: %v; %v", err, errLogout)
}
return fmt.Errorf("netcup: %v", err)
}
err = d.client.Logout(sessionID)
if err != nil {
return fmt.Errorf("netcup: %v", err)
}
return nil
}
@ -170,3 +181,29 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
}
// getDNSRecordIdx searches a given array of DNSRecords for a given DNSRecord
// equivalence is determined by Destination and RecortType attributes
// returns index of given DNSRecord in given array of DNSRecords
func getDNSRecordIdx(records []DNSRecord, record DNSRecord) (int, error) {
for index, element := range records {
if record.Destination == element.Destination && record.RecordType == element.RecordType {
return index, nil
}
}
return -1, fmt.Errorf("no DNS Record found")
}
// createTxtRecord uses the supplied values to return a DNSRecord of type TXT for the dns-01 challenge
func createTxtRecord(hostname, value string, ttl int) DNSRecord {
return DNSRecord{
ID: 0,
Hostname: hostname,
RecordType: "TXT",
Priority: "",
Destination: value,
DeleteRecord: false,
State: "",
TTL: ttl,
}
}

111
providers/dns/netcup/netcup_test.go
View file

@ -4,6 +4,7 @@ import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/xenolf/lego/acme"
"github.com/xenolf/lego/platform/tester"
@ -104,28 +105,28 @@ func TestNewDNSProviderConfig(t *testing.T) {
},
{
desc: "missing credentials",
expected: "netcup: netcup credentials missing",
expected: "netcup: credentials missing",
},
{
desc: "missing customer",
customer: "",
key: "B",
password: "C",
expected: "netcup: netcup credentials missing",
expected: "netcup: credentials missing",
},
{
desc: "missing key",
customer: "A",
key: "",
password: "C",
expected: "netcup: netcup credentials missing",
expected: "netcup: credentials missing",
},
{
desc: "missing password",
customer: "A",
key: "B",
password: "",
expected: "netcup: netcup credentials missing",
expected: "netcup: credentials missing",
},
}
@ -150,6 +151,108 @@ func TestNewDNSProviderConfig(t *testing.T) {
}
}
func TestGetDNSRecordIdx(t *testing.T) {
records := []DNSRecord{
{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
{
ID: 23456,
Hostname: "@",
RecordType: "A",
Priority: "0",
Destination: "127.0.0.1",
DeleteRecord: false,
State: "yes",
},
{
ID: 34567,
Hostname: "dfgh",
RecordType: "CNAME",
Priority: "0",
Destination: "example.com",
DeleteRecord: false,
State: "yes",
},
{
ID: 45678,
Hostname: "fghj",
RecordType: "MX",
Priority: "10",
Destination: "mail.example.com",
DeleteRecord: false,
State: "yes",
},
}
testCases := []struct {
desc string
record DNSRecord
expectError bool
}{
{
desc: "simple",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
},
{
desc: "wrong Destination",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "TXT",
Priority: "0",
Destination: "wrong",
DeleteRecord: false,
State: "yes",
},
expectError: true,
},
{
desc: "record type CNAME",
record: DNSRecord{
ID: 12345,
Hostname: "asdf",
RecordType: "CNAME",
Priority: "0",
Destination: "randomtext",
DeleteRecord: false,
State: "yes",
},
expectError: true,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
idx, err := getDNSRecordIdx(records, test.record)
if test.expectError {
assert.Error(t, err)
assert.Equal(t, -1, idx)
} else {
assert.NoError(t, err)
assert.Equal(t, records[idx], test.record)
}
})
}
}
func TestLivePresentAndCleanup(t *testing.T) {
if !envTest.IsLiveTest() {
t.Skip("skipping live test")