chore: archive AgentDock v1 implementation

runner/multica-callback.js

@@ -0,0 +1,37 @@
+const LOOPBACK_HOSTS = new Set(["localhost", "127.0.0.1", "[::1]"]);
+
+export function parseMulticaCallbackUrl(value) {
+  if (typeof value !== "string" || !value || value.length > 12_000) {
+    throw new Error("请粘贴完整的 Multica 回调链接");
+  }
+
+  let url;
+  try {
+    url = new URL(value);
+  } catch {
+    throw new Error("回调链接格式不正确");
+  }
+
+  const port = Number(url.port);
+  if (url.protocol !== "http:" || !LOOPBACK_HOSTS.has(url.hostname) || url.pathname !== "/callback") {
+    throw new Error("只接受 Multica 生成的 localhost 回调链接");
+  }
+  if (!Number.isInteger(port) || port < 1024 || port > 65535) {
+    throw new Error("回调链接缺少有效端口");
+  }
+  if (!url.searchParams.get("token") || !url.searchParams.get("state")) {
+    throw new Error("回调链接缺少 token 或 state");
+  }
+  return url;
+}
+
+export async function relayMulticaCallback(value, fetchImpl = fetch) {
+  const url = parseMulticaCallbackUrl(value);
+  const response = await fetchImpl(url, {
+    method: "GET",
+    redirect: "manual",
+    signal: AbortSignal.timeout(8_000),
+  });
+  if (!response.ok) throw new Error(`Multica 回调未被接受 (${response.status})`);
+  return { ok: true };
+}