luci-proto-wireguard: fix preshared key validation

Ensure that the preshared key option remains optional.

Fixes: #3075
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js b/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
index 6742f2ab9964f7ed2f0cc863f93d603b1a193f9c..ab76326eee428c972d82b6662a9b29fcb0f4d133 100644 (file)
--- a/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
+++ b/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
@@ -3,6 +3,9 @@
 'require network';
 
 function validateBase64(section_id, value) {
+       if (value.length == 0)
+               return true;
+
        if (value.length != 44 || !value.match(/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/))
                return _('Invalid Base64 key string');