Initial commit.

configuration/nntp.go

@@ -0,0 +1,44 @@
+package configuration
+
+import (
+	"errors"
+	"fmt"
+	"net"
+)
+
+var (
+	errNNTPAddressIsEmpty     = errors.New("address is empty")
+	errNNTPInvalidAddress     = errors.New("address is invalid")
+	errNNTPInvalidConnTimeout = errors.New("connect timeout is invalid")
+	errNNTPUserOrPassIsEmpty  = errors.New("username or password is empty")
+)
+
+// NNTP is an NNTP output configuration.
+type NNTP struct {
+	Address        string `json:"address"`
+	Username       string `json:"username"`
+	Password       string `json:"password"`
+	ConnectTimeout int64  `json:"connect_timeout"`
+}
+
+// Validate validates configuration.
+func (n *NNTP) Validate() error {
+	if n.Address == "" {
+		return fmt.Errorf("validate NNTP output configuration: %w", errNNTPAddressIsEmpty)
+	}
+
+	_, _, err := net.SplitHostPort(n.Address)
+	if err != nil {
+		return fmt.Errorf("validate NNTP output configuration: %w: %w", errNNTPInvalidAddress, err)
+	}
+
+	if (n.Username != "" && n.Password == "") || (n.Username == "" && n.Password != "") {
+		return fmt.Errorf("validate NNTP output configuration: %w", errNNTPUserOrPassIsEmpty)
+	}
+
+	if n.ConnectTimeout < 1 {
+		return fmt.Errorf("validate NNTP output configuration: %w", errNNTPInvalidConnTimeout)
+	}
+
+	return nil
+}