init: pristine aerc 0.20.0 source

lib/send/parse.go

@@ -0,0 +1,52 @@
+package send
+
+import (
+	"fmt"
+	"math/rand"
+	"net/url"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/emersion/go-message/mail"
+)
+
+func parseScheme(uri *url.URL) (protocol string, auth string, err error) {
+	protocol = ""
+	auth = "plain"
+	if uri.Scheme != "" {
+		parts := strings.Split(uri.Scheme, "+")
+		switch len(parts) {
+		case 1:
+			protocol = parts[0]
+		case 2:
+			if parts[1] == "insecure" {
+				protocol = uri.Scheme
+			} else {
+				protocol = parts[0]
+				auth = parts[1]
+			}
+		case 3:
+			protocol = parts[0] + "+" + parts[1]
+			auth = parts[2]
+		default:
+			return "", "", fmt.Errorf("Unknown scheme %s", uri.Scheme)
+		}
+	}
+	return protocol, auth, nil
+}
+
+func GetMessageIdHostname(sendWithHostname bool, from *mail.Address) (string, error) {
+	if sendWithHostname {
+		return os.Hostname()
+	}
+	if from == nil {
+		// no from address present, generate a random hostname
+		return strings.ToUpper(strconv.FormatInt(rand.Int63(), 36)), nil
+	}
+	_, domain, found := strings.Cut(from.Address, "@")
+	if !found {
+		return "", fmt.Errorf("Invalid address %q", from)
+	}
+	return domain, nil
+}