ensure case-insensitive comparison for IDLE termination

plusiv · plusiv · commit 15648654c488 · 2025-12-11T20:55:28.000-04:00
diff --git a/imap/idle.go b/imap/idle.go
@@ -3,6 +3,7 @@ package imap
 import (
 	"io"
 	"net/textproto"
+	"strings"
 )
 
 type UpdateWriter interface {
@@ -39,7 +40,7 @@ func (c *conn) handleIdle(tag string) error {
 		return err
 	}
 
-	if line != "DONE" {
+	if strings.ToUpper(line) != "DONE" {
 		return c.writeResponse(tag, &response{
 			status: bad,
 			text:   "Expected DONE to end IDLE",

Original file line number	Diff line number	Diff line change
`@@ -3,6 +3,7 @@ package imap`
`3`	`3`	`import (`
`4`	`4`	`"io"`
`5`	`5`	`"net/textproto"`
	`6`	`+ "strings"`
`6`	`7`	`)`
`7`	`8`
`8`	`9`	`type UpdateWriter interface {`
`@@ -39,7 +40,7 @@ func (c *conn) handleIdle(tag string) error {`
`39`	`40`	`return err`
`40`	`41`	`}`
`41`	`42`
`42`		`- if line != "DONE" {`
	`43`	`+ if strings.ToUpper(line) != "DONE" {`
`43`	`44`	`return c.writeResponse(tag, &response{`
`44`	`45`	`status: bad,`
`45`	`46`	`text: "Expected DONE to end IDLE",`