Update Lego

vendor/github.com/xenolf/lego/providers/dns/otc/client.go

@@ -1,5 +1,14 @@
 package otc
 
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+)
+
 type recordset struct {
 	Name        string   `json:"name"`
 	Description string   `json:"description"`
@@ -41,14 +50,20 @@ type loginResponse struct {
 }
 
 type endpointResponse struct {
-	Token struct {
-		Catalog []struct {
-			Type      string `json:"type"`
-			Endpoints []struct {
-				URL string `json:"url"`
-			} `json:"endpoints"`
-		} `json:"catalog"`
-	} `json:"token"`
+	Token token `json:"token"`
+}
+
+type token struct {
+	Catalog []catalog `json:"catalog"`
+}
+
+type catalog struct {
+	Type      string     `json:"type"`
+	Endpoints []endpoint `json:"endpoints"`
+}
+
+type endpoint struct {
+	URL string `json:"url"`
 }
 
 type zoneItem struct {
@@ -66,3 +81,183 @@ type recordSet struct {
 type recordSetsResponse struct {
 	RecordSets []recordSet `json:"recordsets"`
 }
+
+// Starts a new OTC API Session. Authenticates using userName, password
+// and receives a token to be used in for subsequent requests.
+func (d *DNSProvider) login() error {
+	return d.loginRequest()
+}
+
+func (d *DNSProvider) loginRequest() error {
+	userResp := userResponse{
+		Name:     d.config.UserName,
+		Password: d.config.Password,
+		Domain: nameResponse{
+			Name: d.config.DomainName,
+		},
+	}
+
+	loginResp := loginResponse{
+		Auth: authResponse{
+			Identity: identityResponse{
+				Methods: []string{"password"},
+				Password: passwordResponse{
+					User: userResp,
+				},
+			},
+			Scope: scopeResponse{
+				Project: nameResponse{
+					Name: d.config.ProjectName,
+				},
+			},
+		},
+	}
+
+	body, err := json.Marshal(loginResp)
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest(http.MethodPost, d.config.IdentityEndpoint, bytes.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	client := &http.Client{Timeout: d.config.HTTPClient.Timeout}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("OTC API request failed with HTTP status code %d", resp.StatusCode)
+	}
+
+	d.token = resp.Header.Get("X-Subject-Token")
+
+	if d.token == "" {
+		return fmt.Errorf("unable to get auth token")
+	}
+
+	var endpointResp endpointResponse
+
+	err = json.NewDecoder(resp.Body).Decode(&endpointResp)
+	if err != nil {
+		return err
+	}
+
+	var endpoints []endpoint
+	for _, v := range endpointResp.Token.Catalog {
+		if v.Type == "dns" {
+			endpoints = append(endpoints, v.Endpoints...)
+		}
+	}
+
+	if len(endpoints) > 0 {
+		d.baseURL = fmt.Sprintf("%s/v2", endpoints[0].URL)
+	} else {
+		return fmt.Errorf("unable to get dns endpoint")
+	}
+
+	return nil
+}
+
+func (d *DNSProvider) getZoneID(zone string) (string, error) {
+	resource := fmt.Sprintf("zones?name=%s", zone)
+	resp, err := d.sendRequest(http.MethodGet, resource, nil)
+	if err != nil {
+		return "", err
+	}
+
+	var zonesRes zonesResponse
+	err = json.NewDecoder(resp).Decode(&zonesRes)
+	if err != nil {
+		return "", err
+	}
+
+	if len(zonesRes.Zones) < 1 {
+		return "", fmt.Errorf("zone %s not found", zone)
+	}
+
+	if len(zonesRes.Zones) > 1 {
+		return "", fmt.Errorf("to many zones found")
+	}
+
+	if zonesRes.Zones[0].ID == "" {
+		return "", fmt.Errorf("id not found")
+	}
+
+	return zonesRes.Zones[0].ID, nil
+}
+
+func (d *DNSProvider) getRecordSetID(zoneID string, fqdn string) (string, error) {
+	resource := fmt.Sprintf("zones/%s/recordsets?type=TXT&name=%s", zoneID, fqdn)
+	resp, err := d.sendRequest(http.MethodGet, resource, nil)
+	if err != nil {
+		return "", err
+	}
+
+	var recordSetsRes recordSetsResponse
+	err = json.NewDecoder(resp).Decode(&recordSetsRes)
+	if err != nil {
+		return "", err
+	}
+
+	if len(recordSetsRes.RecordSets) < 1 {
+		return "", fmt.Errorf("record not found")
+	}
+
+	if len(recordSetsRes.RecordSets) > 1 {
+		return "", fmt.Errorf("to many records found")
+	}
+
+	if recordSetsRes.RecordSets[0].ID == "" {
+		return "", fmt.Errorf("id not found")
+	}
+
+	return recordSetsRes.RecordSets[0].ID, nil
+}
+
+func (d *DNSProvider) deleteRecordSet(zoneID, recordID string) error {
+	resource := fmt.Sprintf("zones/%s/recordsets/%s", zoneID, recordID)
+
+	_, err := d.sendRequest(http.MethodDelete, resource, nil)
+	return err
+}
+
+func (d *DNSProvider) sendRequest(method, resource string, payload interface{}) (io.Reader, error) {
+	url := fmt.Sprintf("%s/%s", d.baseURL, resource)
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest(method, url, bytes.NewReader(body))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	if len(d.token) > 0 {
+		req.Header.Set("X-Auth-Token", d.token)
+	}
+
+	resp, err := d.config.HTTPClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		return nil, fmt.Errorf("OTC API request %s failed with HTTP status code %d", url, resp.StatusCode)
+	}
+
+	body1, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	return bytes.NewReader(body1), nil
+}