www/caddy: Show only wildcard domains in subdomain selection, show only wildcard domains in handler selection if a subdomain is selected (#4646)

www/caddy/src/opnsense/mvc/app/models/OPNsense/Caddy/Caddy.xml

@@ -302,6 +302,9 @@
                             <items>reverseproxy.reverse</items>
                             <display>FromDomain,FromPort</display>
                             <display_format>%s %s</display_format>
+                            <filters>
+                                <FromDomain>/^\*\./</FromDomain>
+                            </filters>
                         </reverseproxy>
                     </Model>
                 </reverse>

www/caddy/src/opnsense/mvc/app/views/OPNsense/Caddy/reverse_proxy.volt

@@ -336,6 +336,9 @@
                         .selectpicker('val', selectedDomains)
                         .selectpicker('refresh');
                 }
+
+                // Trigger to filter the dropdowns if subdomains are selected
+                $("#handle\\.subdomain").trigger("change");
             }
         });
 
@@ -387,6 +390,26 @@
             });
         });
 
+        // When subdomain is selected in handler show only wildcard domains
+        $("#handle\\.subdomain").on("change", function () {
+            const subdomainSelected = $("#handle\\.subdomain").val() !== "";
+
+            $("#handle\\.reverse").find("option").each(function () {
+                const isWildcard = $(this).text().includes("*.");
+                $(this).toggle(!subdomainSelected || isWildcard);
+            });
+
+            if (subdomainSelected) {
+                const selectedText = $("#handle\\.reverse").find("option:selected").text();
+                if (!selectedText.includes("*.")) {
+                    // Clear selection if not a wildcard
+                    $("#handle\\.reverse").val("").change();
+                }
+            }
+
+            $("#handle\\.reverse").selectpicker("refresh");
+        });
+
         // Trigger bootgrid setup for handlers tab too (even if not active) to ensure command buttons always work
         $('a[href="#handlers"]').trigger('shown.bs.tab');