Migrate to go-acme/lego.

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

@@ -0,0 +1,73 @@
+package dreamhost
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/url"
+
+	"github.com/go-acme/lego/log"
+)
+
+const (
+	defaultBaseURL = "https://api.dreamhost.com"
+
+	cmdAddRecord    = "dns-add_record"
+	cmdRemoveRecord = "dns-remove_record"
+)
+
+type apiResponse struct {
+	Data   string `json:"data"`
+	Result string `json:"result"`
+}
+
+func (d *DNSProvider) buildQuery(action, domain, txt string) (*url.URL, error) {
+	u, err := url.Parse(d.config.BaseURL)
+	if err != nil {
+		return nil, err
+	}
+
+	query := u.Query()
+	query.Set("key", d.config.APIKey)
+	query.Set("cmd", action)
+	query.Set("format", "json")
+	query.Set("record", domain)
+	query.Set("type", "TXT")
+	query.Set("value", txt)
+	query.Set("comment", url.QueryEscape("Managed By lego"))
+	u.RawQuery = query.Encode()
+
+	return u, nil
+}
+
+// updateTxtRecord will either add or remove a TXT record.
+// action is either cmdAddRecord or cmdRemoveRecord
+func (d *DNSProvider) updateTxtRecord(u fmt.Stringer) error {
+	resp, err := d.config.HTTPClient.Get(u.String())
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("request failed with HTTP status code %d", resp.StatusCode)
+	}
+
+	raw, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("failed to read body: %v", err)
+	}
+
+	var response apiResponse
+	err = json.Unmarshal(raw, &response)
+	if err != nil {
+		return fmt.Errorf("unable to decode API server response: %v: %s", err, string(raw))
+	}
+
+	if response.Result == "error" {
+		return fmt.Errorf("add TXT record failed: %s", response.Data)
+	}
+
+	log.Infof("dreamhost: %s", response.Data)
+	return nil
+}