Remove ability to specify headers in the editor

Due to headers being essentially free text, we constantly run into issues
with parts of the body being interpreted as headers.

Remove the ability to overwrite headers to avoid that, while keeping the ability
to specify headers in the template files.

Fixes #383

1 files changed, 5 insertions, 4 deletions

diff --git a/lib/templates/template.go b/lib/templates/template.go
index 9df594e..e18328c 100644
--- a/lib/templates/template.go
+++ b/lib/templates/template.go
@@ -3,6 +3,7 @@ package templates
 import (
 	"bytes"
 	"errors"
+	"io"
 	"net/mail"
 	"os"
 	"os/exec"
@@ -185,7 +186,7 @@ func findTemplate(templateName string, templateDirs []string) (string, error) {
 	return "", errors.New("Can't find template - " + templateName)
 }
 
-func ParseTemplateFromFile(templateName string, templateDirs []string, data interface{}) ([]byte, error) {
+func ParseTemplateFromFile(templateName string, templateDirs []string, data interface{}) (io.Reader, error) {
 	templateFile, err := findTemplate(templateName, templateDirs)
 	if err != nil {
 		return nil, err
@@ -196,11 +197,11 @@ func ParseTemplateFromFile(templateName string, templateDirs []string, data inte
 		return nil, err
 	}
 
-	var outString bytes.Buffer
-	if err := emailTemplate.Execute(&outString, data); err != nil {
+	var body bytes.Buffer
+	if err := emailTemplate.Execute(&body, data); err != nil {
 		return nil, err
 	}
-	return outString.Bytes(), nil
+	return &body, nil
 }
 
 func ParseTemplate(templateText string, data interface{}) ([]byte, error) {