Discord

2026-02-27 08:27:43 +00:00
parent 7bf55af5b3
commit bc4c20929c
48 changed files with 4344 additions and 275 deletions
@@ -0,0 +1,51 @@
+// Based on OpenClaw Browser Extension Relay (MIT License)
+// https://github.com/nicepkg/openclaw
+
+export function reconnectDelayMs(
+  attempt,
+  opts = { baseMs: 1000, maxMs: 30000, jitterMs: 1000, random: Math.random },
+) {
+  const baseMs = Number.isFinite(opts.baseMs) ? opts.baseMs : 1000;
+  const maxMs = Number.isFinite(opts.maxMs) ? opts.maxMs : 30000;
+  const jitterMs = Number.isFinite(opts.jitterMs) ? opts.jitterMs : 1000;
+  const random = typeof opts.random === "function" ? opts.random : Math.random;
+  const safeAttempt = Math.max(0, Number.isFinite(attempt) ? attempt : 0);
+  const backoff = Math.min(baseMs * 2 ** safeAttempt, maxMs);
+  return backoff + Math.max(0, jitterMs) * random();
+}
+
+export async function deriveRelayToken(gatewayToken, port) {
+  const enc = new TextEncoder();
+  const key = await crypto.subtle.importKey(
+    "raw",
+    enc.encode(gatewayToken),
+    { name: "HMAC", hash: "SHA-256" },
+    false,
+    ["sign"],
+  );
+  const sig = await crypto.subtle.sign(
+    "HMAC",
+    key,
+    enc.encode(`officer-browser-relay-v1:${port}`),
+  );
+  return [...new Uint8Array(sig)].map((b) => b.toString(16).padStart(2, "0")).join("");
+}
+
+export async function buildRelayWsUrl(host, port, gatewayToken) {
+  const token = String(gatewayToken || "").trim();
+  if (!token) {
+    throw new Error(
+      "Missing relay token in extension settings (chrome.storage.local.relayToken)",
+    );
+  }
+  const relayToken = await deriveRelayToken(token, port);
+  return `ws://${host}:${port}/extension?token=${encodeURIComponent(relayToken)}`;
+}
+
+export function isRetryableReconnectError(err) {
+  const message = err instanceof Error ? err.message : String(err || "");
+  if (message.includes("Missing relay token")) {
+    return false;
+  }
+  return true;
+}