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backport fix for #2039

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UTF8 should always be validated for websockets, regardless of the incoming
message type.
This commit is contained in:
Shivaram Lingamneni 2023-06-13 15:38:34 -04:00
parent b14095f7ba
commit e07fd9492a
1 changed files with 2 additions and 2 deletions
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4
irc/ircconn.go
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@ -128,9 +128,9 @@ func (wc IRCWSConn) WriteLines(buffers [][]byte) (err error) {
} }
func (wc IRCWSConn) ReadLine() (line []byte, err error) { func (wc IRCWSConn) ReadLine() (line []byte, err error) {
messageType, line, err := wc.conn.ReadMessage() _, line, err = wc.conn.ReadMessage()
if err == nil { if err == nil {
if messageType == websocket.BinaryMessage && !utf8.Valid(line) { if !utf8.Valid(line) {
return line, errInvalidUtf8 return line, errInvalidUtf8
} }
return line, nil return line, nil