cicd branch follower native closeout

2026-07-03 11:00:11 +00:00
parent a70bc3e196
commit 9a3d665303
27 changed files with 1884 additions and 1066 deletions
@@ -0,0 +1,51 @@
+#!/usr/bin/env node
+import net from "node:net";
+
+const [proxyHost, proxyPortRaw, targetHost, targetPortRaw] = process.argv.slice(2);
+const proxyPort = Number.parseInt(proxyPortRaw || "", 10);
+const targetPort = Number.parseInt(targetPortRaw || "", 10);
+if (!proxyHost || !Number.isInteger(proxyPort) || !targetHost || !Number.isInteger(targetPort)) process.exit(64);
+
+let settled = false;
+let tunnel = false;
+function finish(code) {
+  if (settled) return;
+  settled = true;
+  process.exit(code);
+}
+
+const socket = net.createConnection({ host: proxyHost, port: proxyPort });
+let buffer = Buffer.alloc(0);
+socket.setTimeout(15000, () => {
+  socket.destroy();
+  finish(65);
+});
+socket.on("connect", () => socket.write(`CONNECT ${targetHost}:${targetPort} HTTP/1.1\r\nHost: ${targetHost}:${targetPort}\r\nProxy-Connection: Keep-Alive\r\n\r\n`));
+socket.on("error", () => finish(tunnel ? 69 : 66));
+socket.on("close", () => finish(tunnel ? 0 : 68));
+socket.on("data", function onData(chunk) {
+  buffer = Buffer.concat([buffer, chunk]);
+  const headerEnd = buffer.indexOf("\r\n\r\n");
+  if (headerEnd === -1 && buffer.length < 8192) return;
+  if (headerEnd === -1) {
+    socket.destroy();
+    finish(68);
+    return;
+  }
+  const statusLine = buffer.slice(0, headerEnd).toString("latin1").split("\r\n", 1)[0] || "";
+  const statusCode = Number.parseInt(statusLine.split(" ")[1] || "", 10);
+  if (!statusLine.startsWith("HTTP/1.") || !Number.isInteger(statusCode) || statusCode < 200 || statusCode > 299) {
+    socket.destroy();
+    finish(67);
+    return;
+  }
+  socket.off("data", onData);
+  socket.setTimeout(0);
+  tunnel = true;
+  const rest = buffer.slice(headerEnd + 4);
+  if (rest.length) process.stdout.write(rest);
+  process.stdin.on("error", () => {});
+  process.stdout.on("error", () => {});
+  process.stdin.pipe(socket);
+  socket.pipe(process.stdout);
+});