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Secure Home Automation Control via a Telegram Bot

Those who know me from the Google group and Slack will know that I have a bit of a "thing" about security. It isn't easy to secure a web service at the best of times and trying to do so via your home network with minimal resources is even harder.

So why not avoid the issue altogether! By instead using a bot with a secure messaging service, you don't need to expose Node-RED or a web server, mess with certificates, authentication and authorisation. Nor worry about how to secure websockets.

The flow listed here demonstrates a simple Telegram bot that shows the current status of a set of wireless switches (in my case that control lights) and that let you turn them on and off via a simple text interaction.

If you want the full details, including pictures and some info on wiring up MQTT and the other dependencies, you can find them on the Totally Information development blog.

[ { "id": "af703fcd.0f9d1", "type": "mqtt in", "z": "25a82b05.7c01a4", "name": "", "topic": "COMMAND/#", "qos": "1", "broker": "1a1b7cff.9511b3", "x": 150, "y": 280, "wires": [ [ "76000fb1.127cd" ] ] }, { "id": "dbc61113.e382b", "type": "link out", "z": "25a82b05.7c01a4", "name": "", "links": [ "b572c9cf.b6d518", "bb2d9017.65d8f" ], "x": 895, "y": 260, "wires": [] }, { "id": "f901c27e.ae96c", "type": "batch", "z": "25a82b05.7c01a4", "name": "", "mode": "interval", "count": 10, "overlap": 0, "interval": "1", "allowEmptySequence": false, "topics": [], "x": 493, "y": 280, "wires": [ [ "59f6138c.12ef1c" ] ] }, { "id": "dedee945.16fa88", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 930, "y": 300, "wires": [] }, { "id": "59f6138c.12ef1c", "type": "join", "z": "25a82b05.7c01a4", "name": "", "mode": "auto", "build": "string", "property": "payload", "propertyType": "msg", "key": "topic", "joiner": "\\n", "joinerType": "str", "accumulate": false, "timeout": "", "count": "", "reduceRight": false, "reduceExp": "", "reduceInit": "", "reduceInitType": "", "reduceFixup": "", "x": 613, "y": 280, "wires": [ [ "447ddef5.9d985" ] ] }, { "id": "76000fb1.127cd", "type": "function", "z": "25a82b05.7c01a4", "name": "Expand Payload", "func": "/**\n * Merge topic and payload into the payload\n * so that we get something like 'COMMAND/SWITCH01: On'\n **/\n\n// Get the switch metadata\nconst switchLocations = global.get('switchLocations')\nconst switchId = msg.topic.replace('COMMAND/','')\nconst cmd = msg.payload.padStart(3)\n\nconst switchName = switchLocations[switchId] ? switchLocations[switchId].description : switchId\n\n//msg.payload = `${switchName}: ${msg.payload}`\nmsg.payload = `\\`${cmd} :: ${switchName}\\``\n\n// Also save the switch status in memory to allow replay\nlet cmdStatus = flow.get('cmdStatus') || {}\ncmdStatus[switchName] = msg.payload\nflow.set('cmdStatus', cmdStatus)\n\nmsg.topic = 'COMMAND'\nreturn msg;", "outputs": 1, "noerr": 0, "x": 320, "y": 280, "wires": [ [ "f901c27e.ae96c" ] ] }, { "id": "447ddef5.9d985", "type": "function", "z": "25a82b05.7c01a4", "name": "Merge Payload", "func": "/**\n * Join the payload array ready for sending to Telegram\n * Note that the Telegram output link also prepends the topic\n **/\n\nif ( msg.payload.length > 1 ) {\n msg.topic = 'Current Switch Statuses'\n} else {\n msg.topic = 'Switch Status Change'\n}\n\n//msg.payload = \"```&#160;\" + msg.payload.join(\"\\n\") + \"```\"\nmsg.payload = msg.payload.join(\"\\n\")\nmsg.parse_mode = 'Markdown'\n\nreturn msg;", "outputs": 1, "noerr": 0, "x": 763, "y": 280, "wires": [ [ "dedee945.16fa88", "dbc61113.e382b" ] ] }, { "id": "a87cf9c5.c47098", "type": "function", "z": "25a82b05.7c01a4", "name": "replay cache", "func": "let cmdStatus = flow.get('cmdStatus') || {}\n\nfor (const switchName in cmdStatus) {\n node.send( { topic: switchName, payload: cmdStatus[switchName] } )\n}", "outputs": 1, "noerr": 0, "x": 310, "y": 360, "wires": [ [ "a68ca9d4.01a438", "f901c27e.ae96c" ] ] }, { "id": "73fb66b6.b19878", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/lights", "bot": "d14808a8.d291e8", "x": 130, "y": 360, "wires": [ [ "a87cf9c5.c47098" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "a68ca9d4.01a438", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 510, "y": 360, "wires": [] }, { "id": "10c72c6a.4a8ed4", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 950, "y": 600, "wires": [] }, { "id": "b7702c50.7d825", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/light", "bot": "d14808a8.d291e8", "x": 130, "y": 680, "wires": [ [ "5cbce84f.0c7038" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "349c448e.28629c", "type": "function", "z": "25a82b05.7c01a4", "name": "Process Rivescript response", "func": "const newPay = msg.origPay\nlet out = 0 // 0=command - goes to MQTT, 1 = msg back to bot\nlet payload = msg.payload\nlet cmd = ''\nlet msgId = msg.origPay.messageId\n\nfunction getMissingInfo(infoStr) {\n out = 1\n payload = payload.replace(infoStr,'')\n \n cmd = msg.originalMessage.text.split(' ')[0]\n \n // Save the info so far so we can combine with the reply\n //pendingCmds(msgId, cmd)\n \n //msg.topic = `${cmd}: More information needed`\n \n newPay.content = `More information needed ...\\n${payload}`\n \n newPay.options = {\n reply_to_message_id: msgId,\n reply_markup: JSON.stringify({\n force_reply: true,\n selective: true,\n }),\n //parse_mode: 'Markdown'\n /*\n \n 'keyboard': [[\n 'on', 'off'\n ]],\n 'resize_keyboard' : true, \n 'one_time_keyboard' : true\n\n inline_keyboard: [[\n {\n 'text': 'On',\n 'callback_data': 'on' \n }, {\n 'text': 'Off',\n 'callback_data': 'off' \n }\n ]]\n */\n } // -- End of options -- //\n \n msg.payload = newPay\n}\n\n// A processable response?\nswitch ( payload.substr(0,4) ) {\n // All info provided so send to MQTT command output {\n case '|01,':\n payload = payload.replace('|01,','')\n \n cmd = payload.toLowerCase().split(',')\n \n msg.topic = 'COMMAND/SWITCH' + cmd[0].padStart(2,'0')\n \n msg.payload = cmd[1]\n break;\n // --- End of |01, --- // }\n \n // Command given but not the switch number {\n case '|02,':\n getMissingInfo('|02,')\n break;\n // --- End of |02, --- // }\n\n // Switch number given but not command (on|off) {\n case '|03,':\n getMissingInfo('|03,')\n break;\n // --- End of |03, --- // }\n \n // {\n case '|04,':\n return // exit, no msg sent\n break;\n // --- End of |04, --- // }\n\n // The bot needs more info {\n default:\n return // exit, no msg sent\n // --- End of Default --- // }\n \n} // ---- End of switch ---- //\n\nif ( out === 0 ) return [msg, null]\nelse return [null, msg]", "outputs": 2, "noerr": 0, "x": 720, "y": 660, "wires": [ [ "10c72c6a.4a8ed4", "a90b971e.ef8e98" ], [ "6edcd4e6.4e2abc" ] ], "outputLabels": [ "Known cmd with all info", "More info needed" ] }, { "id": "a90b971e.ef8e98", "type": "mqtt out", "z": "25a82b05.7c01a4", "name": "", "topic": "", "qos": "1", "retain": "true", "broker": "1a1b7cff.9511b3", "x": 950, "y": 640, "wires": [] }, { "id": "a5ccb9cf.543a08", "type": "rive", "z": "25a82b05.7c01a4", "name": "", "script": "! version = 2.0\n\n! array cmds = on off\n\n+ # (@cmds)\n- |01,<star1>,<star2>\n\n+ (@cmds) #\n- |01,<star2>,<star1>\n\n+ (@cmds)\n- |02,Which switch/light would you like to turn <star1>? [1-10]\n\n+ #\n- |03,Would you like to turn switch/light <star1> on or off? [on|off]\n\n+ *\n- I'm sorry, I don't understand what you are asking for.\\n\n^ Please use the format: /light # on|off\\n\n^ You can even use: /on #\n", "x": 490, "y": 680, "wires": [ [ "28ff679.f879b98", "349c448e.28629c" ], [ "e82ab2d6.68742" ] ], "outputLabels": [ "Known response", "Unknown response" ] }, { "id": "28ff679.f879b98", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 650, "y": 620, "wires": [] }, { "id": "5cbce84f.0c7038", "type": "change", "z": "25a82b05.7c01a4", "name": "", "rules": [ { "t": "set", "p": "origPay", "pt": "msg", "to": "payload", "tot": "msg" }, { "t": "change", "p": "payload.content", "pt": "msg", "from": "(\\/light|\\/switch|\\/off|\\/on)", "fromt": "re", "to": "", "tot": "str" }, { "t": "set", "p": "payload", "pt": "msg", "to": "payload.content", "tot": "msg" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 320, "y": 680, "wires": [ [ "a5ccb9cf.543a08", "33d717f1.8f92d8" ] ] }, { "id": "2ff563b.8ba669c", "type": "function", "z": "25a82b05.7c01a4", "name": "Save orig cmd", "func": "const pendingCmds = flow.get('pendingCmds') || {}\n\npendingCmds[ msg.payload.sentMessageId ] = msg.originalMessage.text\n\nflow.set('pendingCmds', pendingCmds)\n\nreturn msg;\n", "outputs": 1, "noerr": 0, "x": 480, "y": 1000, "wires": [ [ "b362bd1b.a0dc8" ] ] }, { "id": "9d7d5d7f.37b8a", "type": "comment", "z": "25a82b05.7c01a4", "name": "Bot Command List", "info": "Use the `/setcommands` command in the botfather channel.\n\n```\nlights - Show the current status of all lights and switches\nswitches - Show the current status of all lights and switches\non - Turn on a switch, provide the switch number\noff - Turn off a switch, provide the switch number\nlight - Turn on and off lights at home\nswitch - Turn on and off switches at home\nhelp - Show help about how to use this bot\nh - Show help about how to use this bot\n```", "x": 130, "y": 220, "wires": [] }, { "id": "3d77a9f5.4f63d6", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/help", "bot": "d14808a8.d291e8", "x": 130, "y": 480, "wires": [ [ "472a916f.19feb" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "e8492903.2dea48", "type": "link out", "z": "25a82b05.7c01a4", "name": "Send simple response", "links": [ "b572c9cf.b6d518", "bb2d9017.65d8f" ], "x": 435, "y": 500, "wires": [] }, { "id": "472a916f.19feb", "type": "function", "z": "25a82b05.7c01a4", "name": "Return help info", "func": "msg.topic = 'Bot Help'\n\nmsg.parse_mode = 'HTML'\n\nmsg.payload = \"There are several commands, type '/' to see them.\\n\"\n\nmsg.payload += `<b>/lights</b> or <b>/switches</b>\n&#160;&#160;&#160;List all showing whether <i>on</i> or <i>off</i>\n<b>/on #</b> or <b>/off #</b>\n&#160;&#160;&#160;Turn on or off switch number #\n<b>/light # [on|off]</b>\n&#160;&#160;&#160;As above (can also use /switch)\n<b>/light [on|off] #</b>\n&#160;&#160;&#160;As above\n<b>/help</b> or <b>/h</b>\n&#160;&#160;&#160;This information`\n\n//msg.payload += \"\\n```\"\n\nreturn msg;", "outputs": 1, "noerr": 0, "x": 300, "y": 500, "wires": [ [ "e8492903.2dea48" ] ] }, { "id": "a6cbdbb.fbb7928", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/switches", "bot": "d14808a8.d291e8", "x": 140, "y": 420, "wires": [ [ "a87cf9c5.c47098" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "410a3017.5bb82", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/switch", "bot": "d14808a8.d291e8", "x": 130, "y": 740, "wires": [ [ "5cbce84f.0c7038" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "33d717f1.8f92d8", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 470, "y": 640, "wires": [] }, { "id": "e82ab2d6.68742", "type": "debug", "z": "25a82b05.7c01a4", "name": "Unknown response", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 690, "y": 720, "wires": [] }, { "id": "d1a04273.367c9", "type": "telegram sender", "z": "25a82b05.7c01a4", "name": "Ask for more info", "bot": "d14808a8.d291e8", "x": 290, "y": 1000, "wires": [ [ "2ff563b.8ba669c" ] ] }, { "id": "b362bd1b.a0dc8", "type": "telegram reply", "z": "25a82b05.7c01a4", "name": "Process reply", "bot": "d14808a8.d291e8", "x": 660, "y": 1000, "wires": [ [ "5d781b2a.ee18b4", "b0958ae4.c8b248" ] ] }, { "id": "5d781b2a.ee18b4", "type": "debug", "z": "25a82b05.7c01a4", "name": "Telegram Sender - reply", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "x": 870, "y": 1040, "wires": [] }, { "id": "b0958ae4.c8b248", "type": "function", "z": "25a82b05.7c01a4", "name": "Merge reply with saved cmd", "func": "const pendingCmds = flow.get('pendingCmds')\n\nmsg.payload.content = `${pendingCmds[ msg.originalMessage.reply_to_message.message_id ]} ${msg.payload.content}`\n\ndelete pendingCmds[ msg.originalMessage.reply_to_message.message_id ]\n\nflow.set('pendingCmds', pendingCmds)\n\nreturn msg;", "outputs": 1, "noerr": 0, "x": 880, "y": 1000, "wires": [ [ "8cda46f2.53e0d8" ] ] }, { "id": "6edcd4e6.4e2abc", "type": "link out", "z": "25a82b05.7c01a4", "name": "Ask for more info (out)", "links": [ "10705c90.dd1323" ], "x": 915, "y": 720, "wires": [] }, { "id": "10705c90.dd1323", "type": "link in", "z": "25a82b05.7c01a4", "name": "Ask for more info (in)", "links": [ "6edcd4e6.4e2abc" ], "x": 160, "y": 1000, "wires": [ [ "d1a04273.367c9" ] ] }, { "id": "8cda46f2.53e0d8", "type": "link out", "z": "25a82b05.7c01a4", "name": "Re-process (out)", "links": [ "c09758a6.8a0f08" ], "x": 1075, "y": 1000, "wires": [] }, { "id": "c09758a6.8a0f08", "type": "link in", "z": "25a82b05.7c01a4", "name": "Re-process (in)", "links": [ "8cda46f2.53e0d8", "742e7111.056c6" ], "x": 155, "y": 640, "wires": [ [ "5cbce84f.0c7038" ] ] }, { "id": "6ec2cae1.c7fb34", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/on", "bot": "d14808a8.d291e8", "x": 130, "y": 860, "wires": [ [ "d1567e12.950e" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "cf3dcb90.3e6f98", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/off", "bot": "d14808a8.d291e8", "x": 130, "y": 920, "wires": [ [ "d1567e12.950e" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "d1567e12.950e", "type": "function", "z": "25a82b05.7c01a4", "name": "Translate Input to /switch cmd", "func": "// Turn /on or /off into a /light command & send through its processing\n\nconst cmd = msg.originalMessage.text.substr(0,3).toLowerCase() === '/on' ? 'on' : 'off'\n\nmsg.originalMessage.text = `/switch ${cmd} ${msg.payload.content.trim()}`\n\nmsg.payload.content = `${cmd} ${msg.payload.content.trim()}`\n\nreturn msg\n", "outputs": 1, "noerr": 0, "x": 370, "y": 880, "wires": [ [ "742e7111.056c6" ] ] }, { "id": "742e7111.056c6", "type": "link out", "z": "25a82b05.7c01a4", "name": "Re-process (out)", "links": [ "c09758a6.8a0f08" ], "x": 555, "y": 880, "wires": [] }, { "id": "58f289f8.8bbed8", "type": "telegram command", "z": "25a82b05.7c01a4", "name": "", "command": "/h", "bot": "d14808a8.d291e8", "x": 130, "y": 540, "wires": [ [ "472a916f.19feb" ], [] ], "outputLabels": [ "Authorised + Matches Command", "Authorised - No command match" ] }, { "id": "236ea675.41ed8a", "type": "inject", "z": "25a82b05.7c01a4", "name": "", "topic": "", "payload": "", "payloadType": "date", "repeat": "", "crontab": "", "once": true, "onceDelay": 0.1, "x": 130, "y": 40, "wires": [ [ "d797c17b.12e8d" ] ] }, { "id": "d797c17b.12e8d", "type": "function", "z": "25a82b05.7c01a4", "name": "Save Switch MetaData to Global switchLocations", "func": "// Record the physical locations of logical switch ID's\n// A switch recieves commands (a device sends data)\nglobal.set('switchLocations', {\n \"SWITCH01\" : {location: \"HOME/IN/00/LIVING\", description: \"Living room\", type: \"Siemens white remote plug\"},\n \"SWITCH02\" : {location: \"HOME/IN/00/HALL\", description: \"Hall (Rear)\", type: \"Siemens white remote plug\"},\n \"SWITCH03\" : {location: \"HOME/IN/00/ENTRANCE\", description: \"Hall (Front)\", type: \"Siemens white remote plug\"},\n \"SWITCH04\" : {location: \"HOME/IN/01/LANDING\", description: \"Landing light\", type: \"Nexa remote plug\"},\n \"SWITCH05\" : {location: \"HOME/OUT/00/TREE\", description: \"Tree lights\", type: \"Nexa remote plug\"},\n \"SWITCH06\" : {location: \"HOME/IN/02/LOFT\", description: \"Loft LED lights\", type: \"Siemens white remote plug\"},\n \"SWITCH07\" : {location: \"HOME/IN/99/NA\", description: \"Not in use\", type: \"Siemens white remote plug\"},\n \"SWITCH08\" : {location: \"HOME/IN/99/NA\", description: \"Not in use\", type: \"Siemens white remote plug\"},\n \"SWITCH09\" : {location: \"HOME/IN/00/ROAMING\", description: \"Edimax\", type: \"Siemens remote/Edimax Smartswitch SP01\"},\n \"BELL01\" : {location: \"HOME/IN/00/HALL\", description: \"Hall bell sounder near kitchen\", type: \"Nexa bell sounder\"},\n});\n", "outputs": 1, "noerr": 0, "x": 450, "y": 40, "wires": [ [] ] }, { "id": "ed71fe79.4b54c", "type": "function", "z": "25a82b05.7c01a4", "name": "Set Telegram message options", "func": "//{\"chatId\":202430638, \"type\":\"message\", \"text\":\"This is some text\"}\n//msg.payload.options = {parse_mode : \"Markdown\"}; // or HTML\n//// NB: The Family Knight group is connected to the IFTTT bot\n\nconst isObject = function (obj) {\n // Lots of alternatives here: https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\n return Object.prototype.toString.call(obj) === '[object Object]';\n}\n\nif ( msg.topic === '' ) msg.topic = 'Node-RED Bot'\n\nconst payload = msg.payload\n\nif ( ! isObject(msg.payload) ) {\n msg.payload = {}\n}\n\nmsg.payload.type = 'message'\nif ( ! msg.payload.options ) msg.payload.options = {}\n\nif ( !msg.payload.chatId && msg.chatId ) msg.payload.chatId = msg.chatId\nif ( !msg.payload.parse_mode && msg.parse_mode ) msg.payload.options.parse_mode = msg.parse_mode\n \nif ( msg.replyTo ) msg.payload.options.reply_to_message_id = msg.replyTo\n\nmsg.payload.content = msg.topic + '\\n' + payload\n\nreturn msg;\n", "outputs": "1", "noerr": 0, "x": 530, "y": 120, "wires": [ [ "e1123e72.f9af", "5a4d3edc.28e11" ] ], "outputLabels": [ "New Msg (for Telegram)" ] }, { "id": "e1123e72.f9af", "type": "telegram sender", "z": "25a82b05.7c01a4", "name": "", "bot": "d14808a8.d291e8", "x": 790, "y": 120, "wires": [ [ "820d9418.f59fe8" ] ] }, { "id": "ccde84c1.79ce58", "type": "debug", "z": "25a82b05.7c01a4", "name": "Telegram Sender ERROR", "active": true, "console": "false", "complete": "true", "x": 1150, "y": 100, "wires": [] }, { "id": "5a4d3edc.28e11", "type": "debug", "z": "25a82b05.7c01a4", "name": "", "active": true, "console": "false", "complete": "true", "x": 750, "y": 80, "wires": [] }, { "id": "bb2d9017.65d8f", "type": "link in", "z": "25a82b05.7c01a4", "name": "Telegram Out to JkPi2 Bot", "links": [ "3029e7bd.5ebb18", "5bb2a00e.7c072", "b3711092.3c84a", "b86d7c2c.8e92a", "d8a95928.1c08c8", "f42fbd8.e58ed4", "68a6bd32.cdeac4", "dbc61113.e382b", "bb0c2efb.d8d75", "e8492903.2dea48" ], "x": 58, "y": 100, "wires": [ [ "9ea10b41.3ab0c8" ] ] }, { "id": "535d5c07.6013a4", "type": "link in", "z": "25a82b05.7c01a4", "name": "Telegram Out to Family Knight Group", "links": [ "13c26be0.0e8fe4", "5bb2a00e.7c072", "68a6bd32.cdeac4" ], "x": 58, "y": 140, "wires": [ [ "72d43eb9.54445" ] ] }, { "id": "820d9418.f59fe8", "type": "switch", "z": "25a82b05.7c01a4", "name": "", "property": "error", "propertyType": "msg", "rules": [ { "t": "nnull" }, { "t": "else" } ], "checkall": "true", "outputs": 2, "x": 950, "y": 120, "wires": [ [ "ccde84c1.79ce58" ], [ "bf7a471d.4dff78" ] ], "outputLabels": [ "Error", null ] }, { "id": "bf7a471d.4dff78", "type": "debug", "z": "25a82b05.7c01a4", "name": "Telegram Sender", "active": false, "console": "false", "complete": "true", "x": 1130, "y": 140, "wires": [] }, { "id": "9ea10b41.3ab0c8", "type": "change", "z": "25a82b05.7c01a4", "name": "chatId: JkPi2 Bot", "rules": [ { "t": "set", "p": "chatId", "pt": "msg", "to": "202430638", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 190, "y": 100, "wires": [ [ "ed71fe79.4b54c" ] ] }, { "id": "72d43eb9.54445", "type": "change", "z": "25a82b05.7c01a4", "name": "chatId:Family Knight Group", "rules": [ { "t": "set", "p": "chatId", "pt": "msg", "to": "-149471560", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 220, "y": 140, "wires": [ [ "ed71fe79.4b54c" ] ] }, { "id": "1a1b7cff.9511b3", "type": "mqtt-broker", "z": "", "name": "", "broker": "192.168.1.167", "port": "1883", "clientid": "", "usetls": false, "compatmode": false, "keepalive": "60", "cleansession": true, "willTopic": "", "willQos": "0", "willPayload": "", "birthTopic": "", "birthQos": "0", "birthPayload": "" }, { "id": "d14808a8.d291e8", "type": "telegram bot", "z": "", "botname": "JkPi2", "usernames": "", "chatids": "" } ]

Copy this flow JSON to your clipboard and then import into Node-RED using the Import From > Clipboard (Ctrl-I) menu option

https://flows.nodered.org/flow/c092bc6bcd4131a59cab52e82afbc7be