Added experimental acme renew from Let's Encrypt

src/mod/acme/ca.go

@@ -0,0 +1,45 @@
+package acme
+
+/*
+	CA.go
+
+	This script load CA defination from embedded ca.json
+*/
+import (
+	_ "embed"
+	"encoding/json"
+	"errors"
+	"log"
+)
+
+// CA Defination, load from embeded json when startup
+type CaDef struct {
+	Production map[string]string
+	Test       map[string]string
+}
+
+//go:embed ca.json
+var caJson []byte
+
+var caDef CaDef = CaDef{}
+
+func init() {
+	runtimeCaDef := CaDef{}
+	err := json.Unmarshal(caJson, &runtimeCaDef)
+	if err != nil {
+		log.Println("[ERR] Unable to unmarshal CA def from embedded file. You sure your ca.json is valid?")
+		return
+	}
+
+	caDef = runtimeCaDef
+
+}
+
+// Get the CA ACME server endpoint and error if not found
+func loadCAApiServerFromName(caName string) (string, error) {
+	val, ok := caDef.Production[caName]
+	if !ok {
+		return "", errors.New("This CA is not supported")
+	}
+	return val, nil
+}