79 lines
3.0 KiB
JavaScript
79 lines
3.0 KiB
JavaScript
const crypto = require("crypto");
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module.exports = (RED) => {
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function XiaomiPlugNode(config) {
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RED.nodes.createNode(this, config);
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this.gateway = RED.nodes.getNode(config.gateway);
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this.sid = config.sid;
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this.key = this.gateway.key;
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var currentToken = "";
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var state = "";
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this.status({fill:"yellow", shape:"ring", text:"waiting for key"});
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if (this.gateway && this.key != "") {
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this.on('input', (msg) => {
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var payload = msg.payload;
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if (payload.cmd == "heartbeat" && payload.model == "gateway") {
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var token = payload.token;
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if (token) {
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var cipher = crypto.createCipheriv('aes128', node.key, (new Buffer("17996d093d28ddb3ba695a2e6f58562e", "hex")));
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var encoded_string = cipher.update(token, 'utf8', 'hex');
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encoded_string += cipher.final('hex');
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currentToken = encoded_string.substring(0,32);
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if (state == "") {
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node.status({fill:"yellow", shape:"dot", text:"unknown state"});
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}
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}
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}
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if (payload == 'on') {
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var cmd =
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{ "cmd":"write",
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"sid": node.sid,
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"model": "plug",
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"data": JSON.stringify({"status":"on", "key": currentToken })
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}
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msg.payload = JSON.stringify(cmd);
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node.send([[],[msg]]);
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} else if (payload == "off") {
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var cmd =
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{ "cmd":"write",
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"sid": node.sid,
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"model": "plug",
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"data": JSON.stringify({"status":"off", "key": currentToken })
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}
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msg.payload = JSON.stringify(cmd);
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node.send([[],[msg]]);
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} else if (payload.sid == node.sid && payload.model == "plug") {
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var data = JSON.parse(payload.data)
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if (currentToken == "") {
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node.status({fill:"yellow", shape:"ring", text:"waiting for key"});
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} else if (data.status && data.status == "on") {
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node.status({fill:"green", shape:"dot", text:"on"});
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state = "on";
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} else if (data.status && data.status == "off") {
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node.status({fill:"red", shape:"dot", text:"off"});
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state = "off";
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}
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msg.payload = payload;
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node.send([msg]);
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}
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});
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} else if (this.key == "") {
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node.status({fill:"red", shape:"dot", text:"no key configured"});
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}
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}
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RED.nodes.registerType("xiaomi-plug", XiaomiPlugNode);
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}
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