Namespace subfolder storing .vscode/* files should always be uppercase

Author: gjsjohnmurray

src/utils/index.ts

@@ -355,6 +355,7 @@ export async function terminalWithDocker(): Promise<vscode.Terminal> {
  *  Also alter query to specify `ns=%SYS&csp=1`
  * Also handles the alternative syntax isfs://server:namespace/
  *  in which there is no ns queryparam
+ * For both syntaxes the namespace folder name is uppercased
  *
  * @returns uri, altered if necessary.
  * @throws if `ns` queryparam is missing but required.
@@ -368,17 +369,17 @@ export function redirectDotvscodeRoot(uri: vscode.Uri): vscode.Uri {
     let namespace: string;
     const nsMatch = `&${uri.query}&`.match(/&ns=([^&]+)&/);
     if (nsMatch) {
-      namespace = nsMatch[1];
-      const newQueryString = (("&" + uri.query).replace(`ns=${namespace}`, "ns=%SYS") + "&csp=1").slice(1);
+      namespace = nsMatch[1].toUpperCase();
+      const newQueryString = (("&" + uri.query).replace(`ns=${namespace}`, "ns=%SYS") + "&csp").slice(1);
       return uri.with({ path: `/_vscode/${namespace}${dotMatch[2] || ""}`, query: newQueryString });
     } else {
       const parts = uri.authority.split(":");
       if (parts.length === 2) {
-        namespace = parts[1];
+        namespace = parts[1].toUpperCase();
         return uri.with({
           authority: `${parts[0]}:%SYS`,
           path: `/_vscode/${namespace}${dotMatch[2] || ""}`,
-          query: uri.query + "&csp=1",
+          query: uri.query + "&csp",
         });
       }
     }