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mirror of https://github.com/node-red/node-red-nodes.git synced 2023-10-10 13:36:58 +02:00
node-red-nodes/social/pushbullet/57-pushbullet.js
2017-01-29 17:45:44 +00:00

571 lines
20 KiB
JavaScript

module.exports = function(RED) {
"use strict";
var PushBullet = require('pushbullet');
var fs = require('fs');
var util = require('util');
var when = require('when');
var nodefn = require('when/node');
var EventEmitter = require('events').EventEmitter;
function onError(err, node) {
if (err && node) {
if (node.emitter) {
if (!node.emitter.emit('error', err)) {
node.error(err);
}
}
else {
node.error(err);
}
}
}
function PushbulletConfig(n) {
RED.nodes.createNode(this, n);
this.n = n;
this.name = n.name;
this._inputNodes = [];
this.initialised = false;
}
RED.nodes.registerType("pushbullet-config", PushbulletConfig, {
credentials: {
apikey: {type: "password"}
}
});
PushbulletConfig.prototype.initialise = function() {
if (this.initialised) {
return;
}
this.emitter = new EventEmitter();
this.initialised = true;
var self = this;
// sort migration from old node
var apikey;
if (this.n._migrate) {
apikey = this.n._apikey;
this.credentials = {apikey:apikey};
}
else if (this.credentials) {
apikey = this.credentials.apikey;
}
if (apikey) {
try {
var pusher = new PushBullet(apikey);
// get 'me' info
this.me = when.promise(function(resolve, reject) {
pusher.me(function(err, me) {
if (err) {
reject(err);
}
else {
resolve(me);
}
});
}).otherwise(function(err) {
onError(err, self);
});
// get latest timestamp
this.last = when.promise(function(resolve) {
pusher.history({limit:1}, function(err, res) {
if (err) {
resolve(0);
}
else {
try {
resolve(res.pushes[0].modified);
}
catch(ex) {
self.warn('Unable to get history.');
resolve(0);
}
}
});
});
this.pusher = pusher;
}
catch(err) {
onError(err, this);
}
}
else {
this.error("No credentials set for pushbullet config.");
}
this.on("close", function() {
self._inputNodes.length = 0;
});
}
PushbulletConfig.prototype.onConfig = function(type, cb) {
this.emitter.on(type, cb);
}
PushbulletConfig.prototype.setupStream = function() {
var self = this;
if (this.pusher) {
var stream = this.pusher.stream();
var closing = false;
var tout;
stream.on('message', function(res) {
if (res.type === 'tickle') {
self.handleTickle(res);
}
else if (res.type === 'push') {
self.pushMsg(res.push);
}
});
stream.on('connect', function() {
self.emitter.emit('stream_connected');
});
stream.on('close', function() {
self.emitter.emit('stream_disconnected');
if (!closing) {
tout = setTimeout(function() {
stream.connect();
},15000);
}
});
stream.on('error', function(err) {
self.emitter.emit('stream_error', err);
if (!closing) {
tout = setTimeout(function() {
stream.connect();
},15000);
}
});
stream.connect();
this.stream = stream;
this.on("close",function() {
if (tout) { clearTimeout(tout); }
closing = true;
try {
this.stream.close();
}
catch(err) {
// Ignore error if not connected
}
});
}
};
PushbulletConfig.prototype.handleTickle = function(ticklemsg) {
var self = this;
if (this.pusher && ticklemsg.subtype === "push") {
var lastprom = this.last;
this.last = when.promise(function(resolve) {
when(lastprom).then(function(last) {
self.pusher.history({modified_after: last}, function(err, res) {
if (err) {
resolve(last);
return onError(err);
}
for (var i=0;i<res.pushes.length; i++) {
self.pushMsg(res.pushes[i]);
}
try {
resolve(res.pushes[0].modified);
}
catch(ex) {
resolve(last);
}
});
});
});
}
};
PushbulletConfig.prototype.pushMsg = function(incoming) {
if (this._inputNodes.length === 0) {
return;
}
var msg = {
pushtype: incoming.type,
data: incoming
}
if (incoming.dismissed === true) {
msg.pushtype = 'dismissal';
msg.topic = 'Push dismissed';
msg.payload = incoming.iden;
}
else if (incoming.active === false && incoming.type === undefined) {
msg.pushtype = 'delete';
msg.topic = 'Push deleted';
msg.payload = incoming.iden;
}
else if (incoming.type === 'clip') {
msg.topic = 'Clipboard content';
msg.payload = incoming.body;
}
else if (incoming.type === 'note') {
msg.topic = incoming.title;
msg.payload = incoming.body;
}
else if (incoming.type === 'link') {
msg.topic = incoming.title;
msg.payload = incoming.url;
msg.message = incoming.body;
}
else if (incoming.type === 'address') {
msg.topic = incoming.name;
msg.payload = incoming.address;
}
else if (incoming.type === 'list') {
msg.topic = incoming.title;
msg.payload = incoming.items;
}
else if (incoming.type === 'file') {
msg.topic = incoming.file_name;
msg.payload = incoming.file_url;
msg.message = incoming.body;
}
// Android specific, untested
else if (incoming.type === 'mirror') {
msg.topic = incoming.title;
msg.payload = incoming.body;
}
else if (incoming.type === 'dismissal') {
msg.topic = "dismissal";
msg.topic = "Push dismissed";
msg.payload = incoming.iden;
}
else {
this.error("unknown push type: " + incoming.type + " content: " + JSON.stringify(incoming));
return;
}
for (var i = 0; i < this._inputNodes.length; i++) {
this._inputNodes[i].emitPush(msg);
}
};
PushbulletConfig.prototype.registerInputNode = function(/*Node*/handler) {
if (!this.stream) {
this.setupStream();
}
this._inputNodes.push(handler);
};
function migrateOldSettings(n) {
if (n.config === undefined) {
var newid, config, apikey, deviceid, pushkeys;
try {
pushkeys = RED.settings.pushbullet || require(process.env.NODE_RED_HOME+"/../pushkey.js");
}
catch(err) {
}
var cred = RED.nodes.getCredentials(n.id);
// get old apikey
if (cred && cred.hasOwnProperty("pushkey")) {
apikey = cred.pushkey;
}
else if (pushkeys) {
apikey = pushkeys.pushbullet;
}
// get old device
if (cred && cred.hasOwnProperty("deviceid")) {
deviceid = cred.deviceid;
}
else if (pushkeys) {
deviceid = pushkeys.deviceid;
}
if (apikey) {
newid = (1+Math.random()*4294967295).toString(16);
config = new PushbulletConfig({
id: newid,
type: 'pushbullet-config',
name: n.name,
_migrate: true,
_apikey: apikey,
});
}
if (!(apikey || deviceid)) {
return false;
}
// override configuration properties to compatible migrated ones
n.pushtype = "note";
n.deviceid = deviceid;
return {
deviceid: deviceid,
apikey: apikey,
config: config,
id: newid
};
}
return false;
}
function PushbulletOut(n) {
RED.nodes.createNode(this, n);
var self = this;
this.migrated = migrateOldSettings(n);
this.title = n.title;
this.chan = n.chan;
this.pushtype = n.pushtype;
this.pusher = null;
var configNode;
if (this.migrated) {
this.warn('Settings migrated from previous version of Pushbullet Node, please edit node to update settings.');
this.status({fill: 'yellow', shape: 'ring', text: 'Node migrated'});
this.deviceid = this.migrated.deviceid;
configNode = this.migrated.config;
}
else {
this.status({});
configNode = RED.nodes.getNode(n.config);
try {
this.deviceid = this.credentials.deviceid;
}
catch(err) {}
}
if (configNode) {
configNode.initialise();
this.pusher = configNode.pusher;
configNode.onConfig('error', function(err) {
self.error(err);
});
}
this.on("input", function(msg) {
var title = self.title || msg.topic || "Node-RED";
var deviceid = (self.deviceid === '_msg_')? (msg.deviceid || ""): (self.deviceid || "");
var pushtype = self.pushtype || msg.pushtype || "note";
var channel = self.chan || msg.channel;
if (typeof(msg.payload) === 'object') {
msg.payload = JSON.stringify(msg.payload);
}
else if (msg.payload) {
msg.payload = msg.payload.toString();
}
if (['delete', 'dismissal', 'updatelist', '_rawupdate_'].indexOf(pushtype) === -1) {
if (channel) {
deviceid = { channel_tag : channel };
}
else if (deviceid === "") {
try {
when(configNode.me).then(function(me) {
if (me) {
deviceid = me.email;
self.pushMsg(pushtype, deviceid, title, msg);
}
else {
self.error("Unable to push",msg);
}
});
return;
}
catch(err) {
self.error('Unable to push to "all".');
}
}
else if (!isNaN(deviceid)) {
deviceid = Number(deviceid);
}
}
self.pushMsg(pushtype, deviceid, title, msg);
});
}
RED.nodes.registerType("pushbullet", PushbulletOut, {
credentials: {
deviceid: {value: ""},
pushkey: {value: ""}
}
});
PushbulletOut.prototype.pushMsg = function(pushtype, deviceid, title, msg) {
var self = this;
if (this.pusher) {
var handleErr = function(msg) {
return function(err) {
if (err) {
self.error(msg);
onError(err, self);
}
}
}
if (deviceid) {
if (pushtype === 'note') {
this.pusher.note(deviceid, title, msg.payload, handleErr('Unable to push note'));
}
else if (pushtype === 'address') {
this.pusher.address(deviceid, title, msg.payload, handleErr('Unable to push address'));
}
else if (pushtype === 'list') {
this.pusher.list(deviceid, title, JSON.parse(msg.payload), handleErr('Unable to push list'));
}
else if (pushtype === 'link') {
this.pusher.push(deviceid, {
type: 'link',
title: title,
body: msg.message,
url: msg.payload
}, handleErr('Unable to push link'));
}
else if (pushtype === 'file') {
// Workaround for Pushbullet dep not handling error on file open
if (fs.existsSync(msg.payload)) {
this.pusher.file(deviceid, msg.payload, title, handleErr('Unable to push file'));
}
else {
this.error('File does not exist!');
}
}
else if (pushtype === '_raw_') {
this.pusher.push(deviceid, msg.raw, handleErr('Unable to push raw data'));
}
}
if (msg.data && msg.data.iden) {
if (pushtype === 'delete') {
this.pusher.deletePush(msg.data.iden, handleErr('Unable to delete push'));
}
else if (pushtype === 'dismissal') {
this.pusher.updatePush(msg.data.iden, {dismissed: true}, handleErr('Unable to dismiss push'));
}
else if (pushtype === 'updatelist') {
try {
var data = JSON.parse(msg.payload);
if (msg.data.type && msg.data.type !== 'list') {
this.warn('Trying to update list items in non list push');
}
this.pusher.updatePush(msg.data.iden, {items: data}, handleErr('Unable to update list'));
}
catch(err) {
this.warn("Invalid list");
}
}
else if (pushtype === '_rawupdate_') {
this.pusher.updatePush(msg.data.iden, msg.raw, handleErr('Unable to update raw data'));
}
}
}
else {
self.error("Pushbullet credentials not set/found.");
}
};
RED.httpAdmin.get('/pushbullet/:id/migrate', RED.auth.needsPermission('pushbullet.read'), function(req, res) {
var node = RED.nodes.getNode(req.params.id);
if (node && node.migrated) {
if (req.query.save) {
var promise;
if (node.migrated.apikey) {
promise = RED.nodes.addCredentials(node.migrated.id, {apikey: node.migrated.apikey});
}
if (node.migrated.deviceid) {
when(promise).then(function() {
RED.nodes.addCredentials(req.params.id, {deviceid: node.migrated.deviceid});
});
}
}
res.send(JSON.stringify({migrated: true, config: node.migrated.id}));
}
else {
res.send("{}");
}
});
RED.httpAdmin.get('/pushbullet/:id/devices', RED.auth.needsPermission('pushbullet.read'), function(req, res) {
var config = RED.nodes.getNode(req.params.id);
var cred = RED.nodes.getCredentials(req.params.id);
var pb;
if (config && config.pusher) {
config.pusher.devices(function(err, chans) {
if (err) {
res.send("[]");
return onError(err, config);
}
res.send(JSON.stringify(chans.devices));
});
}
else if (cred && cred.apikey) {
pb = new PushBullet(cred.apikey);
pb.devices(function(err, chans) {
if (err) {
res.send("[]");
return onError(err, config);
}
res.send(JSON.stringify(chans.devices));
});
}
else if (req.query.apikey) {
pb = new PushBullet(req.query.apikey);
pb.devices(function(err, chans) {
if (err) {
res.send("[]");
return onError(err, config);
}
res.send(JSON.stringify(chans.devices));
});
}
else {
res.send("[]");
}
});
function PushbulletIn(n) {
RED.nodes.createNode(this, n);
var self = this;
var config = RED.nodes.getNode(n.config);
if (config) {
config.initialise();
config.registerInputNode(this);
config.onConfig('error', function(err) {
self.error(err);
});
config.onConfig('stream_connected', function() {
self.status({fill:'green', shape:'dot', text:'connected'});
});
config.onConfig('stream_disconnected', function(err) {
self.status({fill:'grey', shape:'ring', text:'disconnected'});
});
config.onConfig('stream_error', function(err) {
self.status({fill:'red', shape:'ring', text:'error, see log'});
self.error(err);
});
}
}
RED.nodes.registerType("pushbullet in", PushbulletIn, {
credentials: {
filters: {value: []}
}
});
PushbulletIn.prototype.emitPush = function(msg) {
try {
if (this.credentials.filters.length > 0) {
if ( (this.credentials.filters.indexOf(msg.data.source_device_iden) > -1) ||
(this.credentials.filters.indexOf(msg.data.target_device_iden) > -1) ||
(!msg.data.target_device_iden && !msg.data.source_device_iden)) { /* All */
this.send(msg);
}
}
else {
this.send(msg);
}
}
catch(err) {
this.send(msg);
}
}
}