Allow continuous SP between CAPABILITY items

Before logged in, imap-n.global-mail.cn sends: * CAPABILITY IMAP4<...>LITERAL+<SP><SP>STARTTLS<...>SPECIAL-USE
emersion · Nov 22, 2024 · 9c5b158 · 9c5b158
1 parent 5a974f9
commit 9c5b158
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/imapclient/capability.go b/imapclient/capability.go
@@ -40,6 +40,11 @@ func (cmd *CapabilityCommand) Wait() (imap.CapSet, error) {
 func readCapabilities(dec *imapwire.Decoder) (imap.CapSet, error) {
 	caps := make(imap.CapSet)
 	for dec.SP() {
+		// Some IMAP servers send multiple SP between caps:
+		// https://github.com/emersion/go-imap/pull/652
+		for dec.SP() {
+		}
+
 		var name string
 		if !dec.ExpectAtom(&name) {
 			return caps, fmt.Errorf("in capability-data: %v", dec.Err())