Migrate dns part

dns/functions.js

@@ -0,0 +1,64 @@
+function service(target, domain, host, alias) {
+	return {
+		target: target,
+		domain: domain,
+		host: hosts[host],
+		alias: alias,
+		record: function() {
+			return my_host_record(this.target, this.resolve_host());
+		},
+		resolve_host: function() {
+			if (this.alias) {
+				return services[this.alias].resolve_host();
+			}
+			return this.host;
+		}
+	};
+}
+
+function collect_services(domain) {
+	var result = [];
+	for (var key in services) {
+		var s = services[key];
+		if (s.domain == domain) {
+			result.push(s.record());
+		}
+	}
+	return result;
+}
+
+function my_host_record(target, host) {
+	return [
+		A(target, host.ipv4_address),
+		AAAA(target, host.ipv6_address)
+	];
+}
+
+function verify_amazon_ses(dkims) {
+	var result = [];
+	for (var i in dkims) {
+		var my_dkim = dkims[i] + "._domainkey";
+		var ses_dkim = dkims[i] + ".dkim.amazonses.com.";
+		result.push(CNAME(my_dkim, ses_dkim));
+	}
+	return result;
+}
+
+function acme_challenge(subd, target) {
+	var final_subd = "_acme-challenge";
+	if (subd) {
+		final_subd += "." + subd;
+	}
+
+	final_target = target + ".acme.serguzim.me.";
+
+	return CNAME(final_subd, final_target);
+}
+
+function verify_dmarc_reports(domains) {
+	var result = [];
+	for (d in domains) {
+		result.push(TXT(d + "._report._dmarc", "v=DMARC1"));
+	}
+	return result;
+}