Add support for pairing new devices

futurehome/src/thingsplex/thingsplex.ts

@@ -0,0 +1,104 @@
+// src/futurehomeClient.ts
+import axios from 'axios';
+import { WebSocket } from 'ws';
+import { URLSearchParams } from 'url';
+import { FimpValueType } from '../fimp/fimp';
+import { v4 as uuidv4 } from 'uuid';
+
+/**
+ * Logs in to the Thingsplex and extracts the tplex token.
+ * @param username - The login username
+ * @param password - The login password
+ * @returns The tplex token if login is successful
+ */
+export async function loginToThingsplex(parameters: {
+  host: string;
+  username: string;
+  password: string;
+}): Promise<string> {
+  const url = `http://${parameters.host}:8081/fimp/login`;
+  const payload = new URLSearchParams({
+    username: parameters.username,
+    password: parameters.password,
+  }).toString();
+
+  try {
+    const response = await axios.post(url, payload, {
+      maxRedirects: 0,
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded',
+      },
+      validateStatus: (status) => status === 301,
+    });
+
+    const setCookie = response.headers['set-cookie'];
+    if (!setCookie || setCookie.length === 0) {
+      throw new Error('Set-Cookie header missing in login response');
+    }
+
+    const cookie = setCookie.find((c) => c.startsWith('tplex='));
+    if (!cookie) {
+      throw new Error('tplex cookie not found in Set-Cookie header');
+    }
+
+    const match = cookie.match(/tplex=([^;]+)/);
+    if (!match) {
+      throw new Error('Unable to extract tplex token from cookie');
+    }
+
+    return match[1];
+  } catch (err) {
+    throw new Error(`Login failed: ${(err as Error).message}`);
+  }
+}
+
+/**
+ * Connects to the Thingsplex websocket with the tplex token and sends the messages.
+ * @param token - The tplex token from login
+ */
+export function connectThingsplexWebSocketAndSend(
+  parameters: {
+    host: string;
+    token: string;
+  },
+  messages: {
+    address: string;
+    service: string;
+    cmd: string;
+    val: unknown;
+    val_t: FimpValueType;
+    props?: any;
+  }[],
+): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const ws = new WebSocket(`ws://${parameters.host}:8081/ws-bridge`, {
+      headers: {
+        Cookie: `tplex=${parameters.token}`,
+      },
+    });
+
+    ws.on('open', () => {
+      for (const msg of messages) {
+        const message = {
+          serv: msg.service,
+          type: msg.cmd,
+          val_t: msg.val_t,
+          val: msg.val,
+          props: msg.props,
+          tags: null,
+          resp_to: 'pt:j1/mt:rsp/rt:app/rn:tplex-ui/ad:1',
+          src: 'tplex-ui',
+          ver: '1',
+          uid: uuidv4(),
+          topic: msg.address,
+        };
+
+        ws.send(JSON.stringify(message));
+      }
+      ws.close(); // Close immediately after sending
+    });
+
+    ws.on('close', () => resolve());
+    ws.on('error', (err) => reject(err));
+  });
+}