From: Sergey Matveev <stargrave@stargrave.org>
Date: Tue, 14 Jan 2020 20:17:56 +0000 (+0300)
Subject: charset could be uppercase too
X-Git-Tag: v0.2.0~7
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=269782971c315743751f3e67f67b048c91526155;p=sgblog.git

charset could be uppercase too
---

diff --git a/cmd/sgblog-comment-add/mail.go b/cmd/sgblog-comment-add/mail.go
index 363e983..1a347fc 100644
--- a/cmd/sgblog-comment-add/mail.go
+++ b/cmd/sgblog-comment-add/mail.go
@@ -41,7 +41,10 @@ func processTP(ct, cte string, body io.Reader) (io.Reader, error) {
 	if err != nil {
 		return nil, err
 	}
-	if c := params["charset"]; !(c == "" || c == "utf-8" || c == "iso-8859-1" || c == "us-ascii") {
+	if c := strings.ToLower(params["charset"]); !(c == "" ||
+		c == "utf-8" ||
+		c == "iso-8859-1" ||
+		c == "us-ascii") {
 		return nil, errors.New("only utf-8/iso-8859-1/us-ascii charsets supported")
 	}
 	switch cte {