From b67b987b07dae6604249ad6889b9541366ee982b Mon Sep 17 00:00:00 2001
From: Tevildo <drwilko+gitlab@gmail.com>
Date: Sun, 14 Apr 2024 21:08:00 +0100
Subject: [PATCH] add dns package with func to set TXT record

---
 dns/dns.go | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 dns/dns.go

diff --git a/dns/dns.go b/dns/dns.go
new file mode 100644
index 0000000..136b83a
--- /dev/null
+++ b/dns/dns.go
@@ -0,0 +1,44 @@
+package dns
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/cert-manager/webhook-example/auth"
+)
+
+var (
+	baseUrl        = "https://api.nearlyfreespeech.net"
+	authHeaderName = "X-NFSN-Authentication"
+)
+
+func SetTXTRecord(domain string, resolvedFqdn string, key string, login string, apiKey string) error {
+	resolvedFqdn = strings.TrimSuffix(resolvedFqdn, domain)
+	requestUrl := fmt.Sprintf("%s/dns/%s", baseUrl, domain)
+
+	values := url.Values{"name": {resolvedFqdn}, "type": {"TXT"}, "data": {key}}
+	body := values.Encode()
+	authHeader, err := auth.GetAuthHeader(login, apiKey, requestUrl, body)
+	if err != nil {
+		return err
+	}
+
+	bodyReader := strings.NewReader(body)
+	req, err := http.NewRequest("POST", requestUrl, bodyReader)
+	if err != nil {
+		return err
+	}
+
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Set(authHeaderName, authHeader)
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}