117 lines
4.7 KiB
JavaScript
117 lines
4.7 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var PushOver = require('pushover-notifications');
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var util = require('util');
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var fs = require('fs');
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function PushoverNode(n) {
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RED.nodes.createNode(this,n);
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this.title = n.title;
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this.device = n.device;
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this.priority = n.priority;
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this.sound = n.sound;
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this.html = n.html;
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if (this.sound === '') { this.sound = null; }
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var credentials = this.credentials;
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if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; }
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else { this.error("No Pushover api token set"); }
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if ((credentials) && (credentials.hasOwnProperty("deviceid"))) { this.deviceid = credentials.deviceid; }
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else { this.error("No Pushover user key set"); }
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var pusher = false;
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if (this.pushkey && this.deviceid) {
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pusher = new PushOver({
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user: this.deviceid,
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token: this.pushkey,
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onerror: function(err) {
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util.log('[57-pushover.js] Error: '+err);
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}
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});
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}
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var node = this;
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this.on("input",function(msg) {
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var title = node.title || msg.topic || "Node-RED";
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var pri = node.priority || msg.priority || 0;
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var dev = node.device || msg.device;
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var sound = node.sound || msg.sound || null;
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var url = node.url || msg.url || null;
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var url_title = node.url_title || msg.url_title || null;
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var html = node.html || false;
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var attachment = msg.attachment || null;
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if (isNaN(pri)) {pri=0;}
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if (pri > 2) {pri = 2;}
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if (pri < -2) {pri = -2;}
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if (typeof(msg.payload) === 'object') {
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msg.payload = JSON.stringify(msg.payload);
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}
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else { msg.payload = msg.payload.toString(); }
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if (pusher) {
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var pushmsg = {
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message: msg.payload,
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title: title,
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priority: pri,
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retry: 30,
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expire: 600,
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html: html
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};
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if (dev) { pushmsg.device = dev; }
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if (typeof(sound) === 'string') { pushmsg.sound = sound; }
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if (typeof(url) === 'string') { pushmsg.url = url; }
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if (typeof(url_title) === 'string') { pushmsg.url_title = url_title; }
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if (html) { pushmsg.html = 1; }
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if (typeof(attachment) === 'string') {
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// Treat attachment as a path
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fs.readFile(attachment,function(err, data) {
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if (err) {
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node.error("[57-pushover.js] Error: File Read Error: "+err);
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return;
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}
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pushmsg.file = { data: data };
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pushMessage(pushmsg);
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});
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return;
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}
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else if (attachment instanceof Buffer) {
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// Is it base64 encoded or binary?
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var attachmentString = attachment.toString();
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var attachmentBuffer = Buffer.from(attachmentString,'base64');
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if (attachmentString === attachmentBuffer.toString('base64')) {
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// If converts back to same, then it was base64 so set to binary
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// https://stackoverflow.com/a/48770228
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attachment = attachmentBuffer;
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}
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// Unset these temporary values
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attachmentBuffer = attachmentString = undefined;
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// attach the buffer
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pushmsg.file = { data: attachment };
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}
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else if (attachment) {
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node.error("[57-pushover.js] Error: attachment property must be a path to a local file or a Buffer containing an image");
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return;
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}
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pushMessage(pushmsg);
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}
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else {
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node.warn("Pushover credentials not set.");
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}
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});
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function pushMessage(pushmsg) {
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pusher.send( pushmsg, function(err, response) {
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if (err) { node.error(err); }
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else {
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response = JSON.parse(response);
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if (response.status !== 1) { node.error("[57-pushover.js] Error: "+response); }
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}
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});
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}
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}
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RED.nodes.registerType("pushover",PushoverNode,{
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credentials: {
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deviceid: {type:"text"},
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pushkey: {type: "password"}
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}
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});
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}
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