From 7e299624f8a22f7ca69b71988930fa7b0a8529aa Mon Sep 17 00:00:00 2001
From: "jinli.yl" <jinli.yl@alibaba-inc.com>
Date: Thu, 20 Aug 2026 23:13:46 +0800
Subject: [PATCH] fix: normalize endpoints without regex backtracking

---
 packages/typescript/src/dsh/config.ts      | 8 +++++++-
 packages/typescript/src/openclaw/config.ts | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/typescript/src/dsh/config.ts b/packages/typescript/src/dsh/config.ts
index a4224391..e71fe9ff 100644
--- a/packages/typescript/src/dsh/config.ts
+++ b/packages/typescript/src/dsh/config.ts
@@ -91,7 +91,7 @@ export function resolveConfig(
       input.dreamCron || env.REME_DSH_DREAM_CRON || DEFAULT_CONFIG.dreamCron,
   };
 
-  config.endpoint = String(config.endpoint).replace(/\/+$/, "");
+  config.endpoint = stripTrailingSlashes(String(config.endpoint));
   assertEndpoint(config.endpoint);
   config.requestTimeoutMs = integer(
     config.requestTimeoutMs,
@@ -173,6 +173,12 @@ function assertEndpoint(value: string): void {
   }
 }
 
+function stripTrailingSlashes(value: string): string {
+  let end = value.length;
+  while (end > 0 && value.charCodeAt(end - 1) === 47) end -= 1;
+  return value.slice(0, end);
+}
+
 function integer(
   value: unknown,
   minimum: number,
diff --git a/packages/typescript/src/openclaw/config.ts b/packages/typescript/src/openclaw/config.ts
index 4578c428..a51226f8 100644
--- a/packages/typescript/src/openclaw/config.ts
+++ b/packages/typescript/src/openclaw/config.ts
@@ -53,7 +53,7 @@ export function resolveOpenClawConfig(
     stringValue(input.endpoint) ||
     env.REME_URL ||
     `http://${env.REME_HOST || "127.0.0.1"}:${env.REME_PORT || "2333"}`;
-  const normalizedEndpoint = endpoint.replace(/\/+$/, "");
+  const normalizedEndpoint = stripTrailingSlashes(endpoint);
   const url = new URL(normalizedEndpoint);
   if (url.protocol !== "http:" && url.protocol !== "https:") {
     throw new TypeError("ReMe endpoint must be an absolute http(s) URL");
@@ -107,6 +107,12 @@ function integer(
   );
 }
 
+function stripTrailingSlashes(value: string): string {
+  let end = value.length;
+  while (end > 0 && value.charCodeAt(end - 1) === 47) end -= 1;
+  return value.slice(0, end);
+}
+
 function finite(value: unknown, fallback: number): number {
   const number = Number(value);
   return Number.isFinite(number) ? number : fallback;