refactor - pasdns can now look sane

src/parser/parser.go

@@ -1,11 +1,31 @@
 package parser
 
 import (
+	"regexp"
 	"strings"
 
 	"exhq.dev/pas/src/Constants"
 )
 
+func CheckIpSyntax(ip string) bool {
+	res, _ := regexp.MatchString(`^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}$`, ip)
+	return res
+}
+
+func CheckDomainSyntax(domain string) bool {
+	res, _ := regexp.MatchString(`[a-z0-9]{2,}\.(gaming|sex2|dev|meow|horse)`, domain)
+	return res
+}
+
+func CheckKeysExistDomain(m map[string]string) bool {
+	for _, key := range []string{"domain", "ip"} {
+		if _, ok := m[key]; !ok {
+			return false
+		}
+	}
+	return true
+}
+
 func ParseIntent(intent string) Constants.Intent {
 	if intent == "" {
 		return Constants.Intent{