Initial commit

internal/domains/dialer/dial.go

@@ -0,0 +1,37 @@
+package dialer
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net"
+	"net/url"
+)
+
+func (d *Dialer) Dial() (net.Conn, error) {
+	if d.dialURL.Scheme == "https" {
+		return tls.Dial("tcp", d.dialURL.Host, &tls.Config{
+			ServerName:         d.dialURL.Hostname(),
+			InsecureSkipVerify: d.app.Config().Upstream.InsecureTLS,
+		})
+	}
+
+	return net.Dial("tcp", d.dialURL.Host)
+}
+
+func (d *Dialer) UpstreamURL() (*url.URL, error) {
+	if d.app.Config().Upstream.URL == "" {
+		return nil, fmt.Errorf(
+			"%w: %w (%s)", ErrDialer, ErrParseURL,
+			"upstream URL is empty",
+		)
+	}
+
+	u, err := url.Parse(d.app.Config().Upstream.URL)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"%w: %w (%w)", ErrDialer, ErrParseURL, err,
+		)
+	}
+
+	return u, nil
+}