545 lines
19 KiB
JavaScript
545 lines
19 KiB
JavaScript
/**
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* Copyright 2013,2015 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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module.exports = function(RED) {
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"use strict";
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var PushBullet = require('pushbullet');
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var fs = require('fs');
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var util = require('util');
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var when = require('when');
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var nodefn = require('when/node');
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var EventEmitter = require('events').EventEmitter;
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function onError(err, node) {
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if(err && node) {
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if(node.emitter) {
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if(!node.emitter.emit('error', err)) {
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node.error(err);
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}
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}
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else {
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node.error(err);
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}
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}
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}
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function PushbulletConfig(n) {
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RED.nodes.createNode(this, n);
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this.name = n.name;
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this._inputNodes = [];
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this.emitter = new EventEmitter();
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var self = this;
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// sort migration from old node
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var apikey;
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if(n._migrate) {
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apikey = n._apikey;
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this.credentials = {apikey:apikey};
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}
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else if(this.credentials) {
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apikey = this.credentials.apikey;
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}
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if (apikey) {
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try {
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var pusher = new PushBullet(apikey);
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// get 'me' info
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this.me = when.promise(function(resolve, reject) {
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pusher.me(function(err, me) {
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if(err) {
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reject(err);
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return onError(err, self);
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}
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resolve(me);
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});
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});
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// get latest timestamp
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this.last = when.promise(function(resolve) {
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pusher.history({limit:1}, function(err, res) {
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if(err) {
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resolve(0);
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return onError(err, self);
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}
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try {
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resolve(res.pushes[0].modified);
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}
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catch(ex){
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self.warn('Unable to get history.');
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resolve(0);
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}
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});
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});
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this.pusher = pusher;
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}
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catch(err) {
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onError(err, this);
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}
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}
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else {
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this.error("No credentials set for pushbullet config.");
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}
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this.on("close", function() {
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if(self.stream) {
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self.stream.close();
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}
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self._inputNodes.length = 0;
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});
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}
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RED.nodes.registerType("pushbullet-config", PushbulletConfig, {
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credentials: {
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apikey: {type: "password"}
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}
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});
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PushbulletConfig.prototype.onConfig = function(type, cb) {
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this.emitter.on(type, cb);
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}
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PushbulletConfig.prototype.setupStream = function() {
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var self = this;
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if(this.pusher) {
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var stream = this.pusher.stream();
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stream.on('message', function(res) {
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if(res.type === 'tickle') {
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self.handleTickle(res);
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}
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else if(res.type === 'push') {
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self.pushMsg(res.push);
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}
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});
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stream.on('connect', function() {
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self.emitter.emit('stream_connected');
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});
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stream.on('close', function() {
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self.emitter.emit('stream_disconnected');
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});
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stream.on('error', function(err) {
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self.emitter.emit('stream_error', err);
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});
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stream.connect();
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this.stream = stream;
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}
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};
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PushbulletConfig.prototype.handleTickle = function(ticklemsg) {
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var self = this;
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if(this.pusher && ticklemsg.subtype === "push") {
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var lastprom = this.last;
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this.last = when.promise(function(resolve) {
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when(lastprom).then(function(last) {
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self.pusher.history({modified_after: last}, function(err, res) {
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if(err) {
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resolve(last);
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return onError(err);
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}
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for(var i=0;i<res.pushes.length; i++) {
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self.pushMsg(res.pushes[i]);
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}
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try {
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resolve(res.pushes[0].modified);
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} catch(ex) {
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resolve(last);
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}
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});
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});
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});
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}
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};
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PushbulletConfig.prototype.pushMsg = function(incoming) {
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if(this._inputNodes.length === 0) {
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return;
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}
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var msg = {
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pushtype: incoming.type,
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data: incoming
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}
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if(incoming.dismissed === true) {
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msg.pushtype = 'dismissal';
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msg.topic = 'Push dismissed';
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msg.payload = incoming.iden;
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}
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else if(incoming.active === false && incoming.type === undefined) {
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msg.pushtype = 'delete';
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msg.topic = 'Push deleted';
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msg.payload = incoming.iden;
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}
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else if(incoming.type === 'clip') {
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msg.topic = 'Clipboard content';
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msg.payload = incoming.body;
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}
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else if(incoming.type === 'note') {
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msg.topic = incoming.title;
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msg.payload = incoming.body;
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}
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else if(incoming.type === 'link') {
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msg.topic = incoming.title;
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msg.payload = incoming.url;
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msg.message = incoming.body;
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}
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else if(incoming.type === 'address') {
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msg.topic = incoming.name;
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msg.payload = incoming.address;
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}
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else if(incoming.type === 'list') {
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msg.topic = incoming.title;
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msg.payload = incoming.items;
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}
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else if(incoming.type === 'file') {
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msg.topic = incoming.file_name;
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msg.payload = incoming.file_url;
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msg.message = incoming.body;
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}
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// Android specific, untested
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else if(incoming.type === 'mirror') {
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msg.topic = incoming.title;
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msg.payload = incoming.body;
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}
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else if(incoming.type === 'dismissal') {
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msg.topic = "dismissal";
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msg.topic = "Push dismissed";
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msg.payload = incoming.iden;
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}
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else {
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this.error("unknown push type: " + incoming.type + " content: " + JSON.stringify(incoming));
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return;
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}
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for (var i = 0; i < this._inputNodes.length; i++) {
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this._inputNodes[i].emitPush(msg);
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}
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};
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PushbulletConfig.prototype.registerInputNode = function(/*Node*/handler) {
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if(!this.stream) {
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this.setupStream();
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}
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this._inputNodes.push(handler);
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};
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function migrateOldSettings(n) {
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if(n.config === undefined) {
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var newid, config, apikey, deviceid, pushkeys;
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try {
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pushkeys = RED.settings.pushbullet || require(process.env.NODE_RED_HOME+"/../pushkey.js");
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}
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catch(err) {
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}
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var cred = RED.nodes.getCredentials(n.id);
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// get old apikey
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if(cred && cred.hasOwnProperty("pushkey")) {
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apikey = cred.pushkey;
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}
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else if(pushkeys) {
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apikey = pushkeys.pushbullet;
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}
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// get old device
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if (cred && cred.hasOwnProperty("deviceid")) {
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deviceid = cred.deviceid;
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}
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else if (pushkeys) {
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deviceid = pushkeys.deviceid;
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}
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if(apikey) {
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newid = (1+Math.random()*4294967295).toString(16);
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config = new PushbulletConfig({
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id: newid,
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type: 'pushbullet-config',
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name: n.name,
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_migrate: true,
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_apikey: apikey,
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});
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}
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if(!(apikey || deviceid)) {
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return false;
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}
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// override configuration properties to compatible migrated ones
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n.pushtype = "note";
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n.deviceid = deviceid;
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return {
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deviceid: deviceid,
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apikey: apikey,
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config: config,
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id: newid
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};
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}
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return false;
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}
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function PushbulletOut(n) {
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RED.nodes.createNode(this, n);
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var self = this;
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this.migrated = migrateOldSettings(n);
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this.title = n.title;
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this.chan = n.chan;
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this.pushtype = n.pushtype;
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this.pusher = null;
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var configNode;
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if(this.migrated) {
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this.warn('Settings migrated from previous version of Pushbullet Node, please edit node to update settings.');
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this.status({fill: 'yellow', shape: 'ring', text: 'Node migrated'});
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this.deviceid = this.migrated.deviceid;
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configNode = this.migrated.config;
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}
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else {
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this.status({});
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configNode = RED.nodes.getNode(n.config);
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try {
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this.deviceid = this.credentials.deviceid;
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}
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catch(err){}
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}
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if(configNode) {
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this.pusher = configNode.pusher;
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configNode.onConfig('error', function(err) {
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self.error(err);
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});
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}
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this.on("input", function(msg) {
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var title = self.title || msg.topic || "Node-RED";
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var deviceid = (self.deviceid === '_msg_')? (msg.deviceid || ""): (self.deviceid || "");
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var pushtype = self.pushtype || msg.pushtype || "note";
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var channel = self.chan || msg.channel;
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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 if(msg.payload) {
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msg.payload = msg.payload.toString();
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}
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if(['delete', 'dismissal', 'updatelist', '_rawupdate_'].indexOf(pushtype) === -1) {
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if (channel) {
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deviceid = { channel_tag : channel };
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}
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else if(deviceid === "") {
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try {
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when(configNode.me).then(function(me) {
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deviceid = me.email;
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self.pushMsg(pushtype, deviceid, title, msg);
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});
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return;
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}
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catch(err) {
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self.error('Unable to push to "all".');
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}
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}
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else if (!isNaN(deviceid)) {
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deviceid = Number(deviceid);
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}
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}
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self.pushMsg(pushtype, deviceid, title, msg);
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});
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}
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RED.nodes.registerType("pushbullet", PushbulletOut, {
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credentials: {
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deviceid: {value: ""},
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pushkey: {value: ""}
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}
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});
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PushbulletOut.prototype.pushMsg = function(pushtype, deviceid, title, msg) {
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var self = this;
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if (this.pusher) {
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var handleErr = function(msg){
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return function(err) {
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if(err) {
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self.error(msg);
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onError(err, self);
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}
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}
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}
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if(deviceid) {
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if(pushtype === 'note') {
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this.pusher.note(deviceid, title, msg.payload, handleErr('Unable to push note'));
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}
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else if(pushtype === 'address') {
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this.pusher.address(deviceid, title, msg.payload, handleErr('Unable to push address'));
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}
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else if(pushtype === 'list') {
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this.pusher.list(deviceid, title, JSON.parse(msg.payload), handleErr('Unable to push list'));
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}
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else if(pushtype === 'link') {
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this.pusher.push(deviceid, {
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type: 'link',
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title: title,
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body: msg.message,
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url: msg.payload
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}, handleErr('Unable to push link'));
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}
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else if(pushtype === 'file') {
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// Workaround for Pushbullet dep not handling error on file open
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if(fs.existsSync(msg.payload)) {
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this.pusher.file(deviceid, msg.payload, title, handleErr('Unable to push file'));
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}
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else {
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this.error('File does not exist!');
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}
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}
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else if(pushtype === '_raw_') {
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this.pusher.push(deviceid, msg.raw, handleErr('Unable to push raw data'));
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}
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}
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if(msg.data && msg.data.iden) {
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if(pushtype === 'delete') {
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this.pusher.deletePush(msg.data.iden, handleErr('Unable to delete push'));
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}
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else if(pushtype === 'dismissal') {
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this.pusher.updatePush(msg.data.iden, {dismissed: true}, handleErr('Unable to dismiss push'));
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}
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else if(pushtype === 'updatelist') {
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try {
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var data = JSON.parse(msg.payload);
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if(msg.data.type && msg.data.type !== 'list') {
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this.warn('Trying to update list items in non list push');
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}
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this.pusher.updatePush(msg.data.iden, {items: data}, handleErr('Unable to update list'));
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}
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catch(err) {
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this.warn("Invalid list");
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}
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}
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else if(pushtype === '_rawupdate_') {
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this.pusher.updatePush(msg.data.iden, msg.raw, handleErr('Unable to update raw data'));
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}
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}
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}
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else {
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self.error("Pushbullet credentials not set/found.");
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}
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};
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RED.httpAdmin.get('/pushbullet/:id/migrate', function(req, res) {
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var node = RED.nodes.getNode(req.params.id);
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if(node && node.migrated) {
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if(req.query.save) {
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var promise;
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if(node.migrated.apikey) {
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promise = RED.nodes.addCredentials(node.migrated.id, {apikey: node.migrated.apikey});
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}
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if(node.migrated.deviceid) {
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when(promise).then(function() {
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RED.nodes.addCredentials(req.params.id, {deviceid: node.migrated.deviceid});
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});
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}
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}
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res.send(JSON.stringify({migrated: true, config: node.migrated.id}));
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}
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else {
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res.send("{}");
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}
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});
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RED.httpAdmin.get('/pushbullet/:id/devices', function(req, res) {
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var config = RED.nodes.getNode(req.params.id);
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var cred = RED.nodes.getCredentials(req.params.id);
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var pb;
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if(config && config.pusher) {
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config.pusher.devices(function(err, chans) {
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if(err) {
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res.send("[]");
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return onError(err, config);
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}
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res.send(JSON.stringify(chans.devices));
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});
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}
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else if(cred && cred.apikey) {
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pb = new PushBullet(cred.apikey);
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pb.devices(function(err, chans) {
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if(err) {
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res.send("[]");
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return onError(err, config);
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}
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res.send(JSON.stringify(chans.devices));
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});
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}
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else if(req.query.apikey) {
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pb = new PushBullet(req.query.apikey);
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pb.devices(function(err, chans) {
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if(err) {
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res.send("[]");
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return onError(err, config);
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}
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res.send(JSON.stringify(chans.devices));
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});
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}
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else {
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res.send("[]");
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}
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});
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function PushbulletIn(n) {
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RED.nodes.createNode(this, n);
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var self = this;
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var config = RED.nodes.getNode(n.config);
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if(config) {
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config.registerInputNode(this);
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config.onConfig('error', function(err) {
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self.error(err);
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});
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config.onConfig('stream_connected', function() {
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self.status({fill: 'green', shape: 'ring', text: 'connected'});
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});
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config.onConfig('stream_disconnected', function(err) {
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self.status({fill: 'red', shape: 'ring', text: 'disconnected'});
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});
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config.onConfig('stream_error', function(err) {
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self.status({fill: 'red', shape: 'ring', text: 'error, see log'});
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self.error(err);
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});
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}
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}
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RED.nodes.registerType("pushbullet in", PushbulletIn, {
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credentials: {
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filters: {value: []}
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}
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});
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PushbulletIn.prototype.emitPush = function(msg) {
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try {
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if(this.credentials.filters.length > 0) {
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if( (this.credentials.filters.indexOf(msg.data.source_device_iden) > -1) ||
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(this.credentials.filters.indexOf(msg.data.target_device_iden) > -1) ||
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(!msg.data.target_device_iden && !msg.data.source_device_iden)) { /* All */
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this.send(msg);
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}
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}
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else {
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this.send(msg);
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}
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}
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catch(err) {
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this.send(msg);
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}
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}
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}
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