mirror of
https://github.com/node-red/node-red-nodes.git
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387 lines
17 KiB
JavaScript
387 lines
17 KiB
JavaScript
/**
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* Copyright 2013 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 Ntwitter = require('twitter-ng');
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var OAuth= require('oauth').OAuth;
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var request = require('request');
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function TwitterNode(n) {
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RED.nodes.createNode(this,n);
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this.screen_name = n.screen_name;
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}
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RED.nodes.registerType("twitter-credentials",TwitterNode,{
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credentials: {
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screen_name: {type:"text"},
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access_token: {type: "password"},
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access_token_secret: {type:"password"}
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}
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});
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/**
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* Populate msg.location based on data found in msg.tweet.
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*/
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function addLocationToTweet(msg) {
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if (msg.tweet) {
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if (msg.tweet.geo) { // if geo is set, always set location from geo
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if (msg.tweet.geo.coordinates && msg.tweet.geo.coordinates.length === 2) {
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if (!msg.location) { msg.location = {}; }
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// coordinates[0] is lat, coordinates[1] is lon
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msg.location.lat = msg.tweet.geo.coordinates[0];
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msg.location.lon = msg.tweet.geo.coordinates[1];
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msg.location.icon = "twitter";
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}
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} else if (msg.tweet.coordinates) { // otherwise attempt go get it from coordinates
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if (msg.tweet.coordinates.coordinates && msg.tweet.coordinates.coordinates.length === 2) {
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if (!msg.location) { msg.location = {}; }
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// WARNING! coordinates[1] is lat, coordinates[0] is lon!!!
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msg.location.lat = msg.tweet.coordinates.coordinates[1];
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msg.location.lon = msg.tweet.coordinates.coordinates[0];
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msg.location.icon = "twitter";
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}
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} // if none of these found then just do nothing
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} // if no msg.tweet then just do nothing
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}
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function TwitterInNode(n) {
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RED.nodes.createNode(this,n);
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this.active = true;
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this.user = n.user;
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//this.tags = n.tags.replace(/ /g,'');
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this.tags = n.tags;
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this.twitter = n.twitter;
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this.topic = n.topic||"tweets";
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this.twitterConfig = RED.nodes.getNode(this.twitter);
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var credentials = RED.nodes.getCredentials(this.twitter);
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if (credentials && credentials.screen_name == this.twitterConfig.screen_name) {
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var twit = new Ntwitter({
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consumer_key: "OKjYEd1ef2bfFolV25G5nQ",
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consumer_secret: "meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
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access_token_key: credentials.access_token,
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access_token_secret: credentials.access_token_secret
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});
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//setInterval(function() {
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// twit.get("/application/rate_limit_status.json",null,function(err,cb) {
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// console.log("direct_messages:",cb["resources"]["direct_messages"]);
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// });
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//
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//},10000);
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var node = this;
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if (this.user === "user") {
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node.poll_ids = [];
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node.since_ids = {};
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var users = node.tags.split(",");
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for (var i=0;i<users.length;i++) {
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var user = users[i].replace(" ","");
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twit.getUserTimeline({
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screen_name:user,
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trim_user:0,
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count:1
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},(function() {
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var u = user+"";
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return function(err,cb) {
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if (err) {
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node.error(err);
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return;
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}
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if (cb[0]) {
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node.since_ids[u] = cb[0].id_str;
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} else {
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node.since_ids[u] = '0';
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}
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node.poll_ids.push(setInterval(function() {
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twit.getUserTimeline({
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screen_name:u,
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trim_user:0,
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since_id:node.since_ids[u]
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},function(err,cb) {
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if (cb) {
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for (var t=cb.length-1;t>=0;t-=1) {
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var tweet = cb[t];
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var where = tweet.user.location;
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var la = tweet.lang || tweet.user.lang;
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var msg = { topic:node.topic+"/"+tweet.user.screen_name, payload:tweet.text, lang:la, tweet:tweet };
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if (where) {
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msg.location = {place:where};
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addLocationToTweet(msg);
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}
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node.send(msg);
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if (t === 0) {
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node.since_ids[u] = tweet.id_str;
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}
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}
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}
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if (err) {
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node.error(err);
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}
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});
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},60000));
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}
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}()));
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}
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} else if (this.user === "dm") {
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node.poll_ids = [];
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twit.getDirectMessages({
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screen_name:node.twitterConfig.screen_name,
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trim_user:0,
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count:1
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},function(err,cb) {
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if (err) {
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node.error(err);
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return;
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}
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if (cb[0]) {
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node.since_id = cb[0].id_str;
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} else {
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node.since_id = '0';
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}
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node.poll_ids.push(setInterval(function() {
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twit.getDirectMessages({
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screen_name:node.twitterConfig.screen_name,
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trim_user:0,
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since_id:node.since_id
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},function(err,cb) {
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if (cb) {
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for (var t=cb.length-1;t>=0;t-=1) {
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var tweet = cb[t];
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var where = tweet.sender.location;
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var la = tweet.lang || tweet.sender.lang;
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var msg = { topic:node.topic+"/"+tweet.sender.screen_name, payload:tweet.text, lang:la, tweet:tweet };
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if (where) {
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msg.location = {place:where};
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addLocationToTweet(msg);
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}
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node.send(msg);
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if (t === 0) {
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node.since_id = tweet.id_str;
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}
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}
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}
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if (err) {
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node.error(err);
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}
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});
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},120000));
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});
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} else if (this.tags !== "") {
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try {
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var thing = 'statuses/filter';
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if (this.user === "true") { thing = 'user'; }
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var st = { track: [node.tags] };
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var bits = node.tags.split(",");
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if (bits.length == 4) {
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if ((Number(bits[0]) < Number(bits[2])) && (Number(bits[1]) < Number(bits[3]))) {
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st = { locations: node.tags };
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}
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else {
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node.log("possible bad geo area format. Should be lower-left lon, lat, upper-right lon, lat");
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}
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}
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var setupStream = function() {
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if (node.active) {
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twit.stream(thing, st, function(stream) {
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//console.log(st);
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//twit.stream('user', { track: [node.tags] }, function(stream) {
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//twit.stream('site', { track: [node.tags] }, function(stream) {
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//twit.stream('statuses/filter', { track: [node.tags] }, function(stream) {
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node.stream = stream;
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stream.on('data', function(tweet) {
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if (tweet.user !== undefined) {
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var where = tweet.user.location;
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var la = tweet.lang || tweet.user.lang;
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var msg = { topic:node.topic+"/"+tweet.user.screen_name, payload:tweet.text, lang:la, tweet:tweet };
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if (where) {
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msg.location = {place:where};
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addLocationToTweet(msg);
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}
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node.send(msg);
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}
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});
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stream.on('limit', function(tweet) {
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node.warn("tweet rate limit hit");
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});
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stream.on('error', function(tweet,rc) {
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if (rc == 420) {
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node.warn("Twitter rate limit hit");
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} else {
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node.warn("Stream error:"+tweet.toString()+" ("+rc+")");
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}
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setTimeout(setupStream,10000);
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});
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stream.on('destroy', function (response) {
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if (this.active) {
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node.warn("twitter ended unexpectedly");
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setTimeout(setupStream,10000);
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}
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});
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});
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}
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}
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setupStream();
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}
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catch (err) {
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node.error(err);
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}
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} else {
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this.error("Invalid tag property");
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}
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} else {
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this.error("missing twitter credentials");
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}
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this.on('close', function() {
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if (this.stream) {
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this.active = false;
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this.stream.destroy();
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}
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if (this.poll_ids) {
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for (var i=0;i<this.poll_ids.length;i++) {
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clearInterval(this.poll_ids[i]);
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}
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}
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});
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}
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RED.nodes.registerType("twitter in",TwitterInNode);
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function TwitterOutNode(n) {
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RED.nodes.createNode(this,n);
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this.topic = n.topic;
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this.twitter = n.twitter;
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this.twitterConfig = RED.nodes.getNode(this.twitter);
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var credentials = RED.nodes.getCredentials(this.twitter);
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var node = this;
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if (credentials && credentials.screen_name == this.twitterConfig.screen_name) {
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var twit = new Ntwitter({
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consumer_key: "OKjYEd1ef2bfFolV25G5nQ",
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consumer_secret: "meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
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access_token_key: credentials.access_token,
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access_token_secret: credentials.access_token_secret
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});
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node.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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node.status({fill:"blue",shape:"dot",text:"tweeting"});
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if (msg.payload.length > 140) {
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msg.payload = msg.payload.slice(0,139);
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node.warn("Tweet greater than 140 : truncated");
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}
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if (msg.media && Buffer.isBuffer(msg.media)) {
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var apiUrl = "https://api.twitter.com/1.1/statuses/update_with_media.json";
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var signedUrl = oa.signUrl(apiUrl,
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credentials.access_token,
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credentials.access_token_secret,
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"POST");
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var r = request.post(signedUrl,function(err,httpResponse,body) {
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if (err) {
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node.error(err,msg);
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node.status({fill:"red",shape:"ring",text:"failed"});
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} else {
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var response = JSON.parse(body);
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if (response.errors) {
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var errorList = response.errors.map(function(er) { return er.code+": "+er.message }).join(", ");
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node.error("Send tweet failed: "+errorList,msg);
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node.status({fill:"red",shape:"ring",text:"failed"});
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} else {
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node.status({});
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}
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}
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});
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var form = r.form();
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form.append("status",msg.payload);
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form.append("media[]",msg.media,{filename:"image"});
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} else {
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twit.updateStatus(msg.payload, function (err, data) {
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if (err) {
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node.status({fill:"red",shape:"ring",text:"failed"});
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node.error(err,msg);
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}
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node.status({});
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});
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}
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}
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else { node.warn("No payload to tweet"); }
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});
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}
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}
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RED.nodes.registerType("twitter out",TwitterOutNode);
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var oa = new OAuth(
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"https://api.twitter.com/oauth/request_token",
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"https://api.twitter.com/oauth/access_token",
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"OKjYEd1ef2bfFolV25G5nQ",
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"meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
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"1.0",
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null,
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"HMAC-SHA1"
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);
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RED.httpAdmin.get('/twitter-credentials/:id/auth', function(req, res) {
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var credentials = {};
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oa.getOAuthRequestToken({
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oauth_callback: req.query.callback
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},function(error, oauth_token, oauth_token_secret, results) {
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if (error) {
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var resp = '<h2>Oh no!</h2>'+
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'<p>Something went wrong with the authentication process. The following error was returned:<p>'+
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'<p><b>'+error.statusCode+'</b>: '+error.data+'</p>'+
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'<p>One known cause of this type of failure is if the clock is wrong on system running Node-RED.';
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res.send(resp)
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} else {
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credentials.oauth_token = oauth_token;
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credentials.oauth_token_secret = oauth_token_secret;
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res.redirect('https://twitter.com/oauth/authorize?oauth_token='+oauth_token)
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RED.nodes.addCredentials(req.params.id,credentials);
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}
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});
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});
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RED.httpAdmin.get('/twitter-credentials/:id/auth/callback', function(req, res, next) {
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var credentials = RED.nodes.getCredentials(req.params.id);
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credentials.oauth_verifier = req.query.oauth_verifier;
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oa.getOAuthAccessToken(
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credentials.oauth_token,
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credentials.token_secret,
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credentials.oauth_verifier,
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function(error, oauth_access_token, oauth_access_token_secret, results) {
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if (error) {
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RED.log.error(error);
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res.send("something in twitter oauth broke.");
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} else {
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credentials = {};
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credentials.access_token = oauth_access_token;
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credentials.access_token_secret = oauth_access_token_secret;
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credentials.screen_name = "@"+results.screen_name;
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RED.nodes.addCredentials(req.params.id,credentials);
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res.send("<html><head></head><body>Authorised - you can close this window and return to Node-RED</body></html>");
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}
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}
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);
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});
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}
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