Move constants in separate file.

const.go

@@ -0,0 +1,10 @@
+// Copyright 2022 Martin Dosch.
+// Use of this source code is governed by the BSD-2-clause
+// license that can be found in the LICENSE file.
+
+package main
+
+const (
+	VERSION      = "0.4.0-devel"
+	nsHttpUpload = "urn:xmpp:http:upload:0"
+)

httpupload.go

@@ -97,7 +97,7 @@ func httpUpload(client *xmpp.Client, jserver string, filePath string) string {
 	}
 	for _, r := range iqDiscoInfoXML.X {
 		for i, t := range r.Field {
-			if t.Var == "max-file-size" && r.Field[i-1].Value == "urn:xmpp:http:upload:0" {
+			if t.Var == "max-file-size" && r.Field[i-1].Value == nsHttpUpload {
 				maxFileSize, err = strconv.ParseInt(t.Value, 10, 64)
 				if err != nil {
 					log.Fatal("Error while checking server maximum http upload file size.")
@@ -117,7 +117,7 @@ func httpUpload(client *xmpp.Client, jserver string, filePath string) string {
 	}
 
 	var request IQHttpUploadSlotRequest
-	request.Xmlns = "urn:xmpp:http:upload:0"
+	request.Xmlns = nsHttpUpload
 	request.FileName = fileNameEscaped
 	request.FileSize = fileSize
 	request.FileType = mimeType

main.go

@@ -20,10 +20,6 @@ import (
 	"github.com/pborman/getopt/v2" // BSD-3-Clause
 )
 
-const (
-	VERSION = "0.4.0-devel"
-)
-
 type configuration struct {
 	username string
 	jserver  string