From 209356b8ade1920b50d1d3a1a5e121c6623d167b Mon Sep 17 00:00:00 2001
From: Minteck <contact@minteck.org>
Date: Fri, 11 Nov 2022 23:47:49 +0100
Subject: Update

---
 comproxy/index.js | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 comproxy/index.js

(limited to 'comproxy/index.js')

diff --git a/comproxy/index.js b/comproxy/index.js
new file mode 100644
index 0000000..60b4baa
--- /dev/null
+++ b/comproxy/index.js
@@ -0,0 +1,89 @@
+const { WebSocketServer } = require('ws');
+const fs = require('fs');
+const uuid = require('uuid-v4');
+
+const wss = new WebSocketServer({ port: 38050 });
+const servers = {};
+const clients = {};
+
+wss.on('connection', function connection(ws, req) {
+    ws.linked = null;
+    ws.id = null;
+    ws.linkedServer = null;
+
+    console.log("New client: " + req.headers['x-forwarded-for'].split(',')[0].trim());
+
+    ws.on('message', (_data) => {
+        if (ws.linked) {
+            try {
+                let data = JSON.parse(_data.toString());
+                data["_id"] = ws.id;
+                servers[ws.linked].send(JSON.stringify(data));
+            } catch (e) {
+                console.error(e);
+            }
+        } else {
+            try {
+                let data = JSON.parse(_data.toString());
+
+                if (data.type === "client") {
+                    if (Object.keys(servers).includes(data.id)) {
+                        if (fs.existsSync(__dirname + "/../includes/tokens/" + data.token.replaceAll(".", "").replaceAll("/", ""))) {
+                            ws.linked = data.id;
+                            ws.id = uuid();
+
+                            servers[data.id].send(JSON.stringify({
+                                type: "client",
+                                id: ws.id
+                            }));
+
+                            clients[ws.id] = ws;
+                        } else {
+                            console.log("close(c), reason: invalid token");
+                            ws.close();
+                        }
+                    } else {
+                        console.log("close(c), reason: no server");
+                        ws.close();
+                    }
+                } else if (data.type === "server") {
+                    if (Object.keys(servers).includes(data.id)) {
+                        console.log("close(s), reason: already online");
+                        ws.close();
+                        return;
+                    }
+
+                    ws.linkedServer = data.id;
+                    servers[data.id] = ws;
+                } else if (data._id) {
+                    try {
+                        if (clients[data._id]) {
+                            clients[data._id].send(_data);
+                        }
+                    } catch (e) {
+                        console.error(e);
+                    }
+                }
+            } catch (e) {
+                console.error(e);
+            }
+        }
+    })
+
+    ws.on('close', () => {
+        if (ws.linked) {
+            try {
+                servers[ws.linked].send(JSON.stringify({
+                    type: "close",
+                    id: ws.id
+                }))
+            } catch (e) {
+                console.error(e);
+            }
+
+            delete clients[ws.id];
+        } else if (ws.linkedServer) {
+            delete servers[ws.linkedServer];
+        }
+    })
+});
\ No newline at end of file
-- 
cgit