--- /dev/null
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+module.exports = function(RED) {
+ "use strict";
+ var ntwitter = require('twitter-ng');
+ var OAuth= require('oauth').OAuth;
+ var request = require('request');
+
+ function TwitterNode(n) {
+ RED.nodes.createNode(this,n);
+ this.screen_name = n.screen_name;
+ }
+ RED.nodes.registerType("twitter-credentials",TwitterNode,{
+ credentials: {
+ screen_name: {type:"text"},
+ access_token: {type: "password"},
+ access_token_secret: {type:"password"}
+ }
+ });
+
+ function TwitterInNode(n) {
+ RED.nodes.createNode(this,n);
+ this.active = true;
+ this.user = n.user;
+ //this.tags = n.tags.replace(/ /g,'');
+ this.tags = n.tags;
+ this.twitter = n.twitter;
+ this.topic = n.topic||"tweets";
+ this.twitterConfig = RED.nodes.getNode(this.twitter);
+ var credentials = RED.nodes.getCredentials(this.twitter);
+
+ if (credentials && credentials.screen_name == this.twitterConfig.screen_name) {
+ var twit = new ntwitter({
+ consumer_key: "OKjYEd1ef2bfFolV25G5nQ",
+ consumer_secret: "meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
+ access_token_key: credentials.access_token,
+ access_token_secret: credentials.access_token_secret
+ });
+
+
+ //setInterval(function() {
+ // twit.get("/application/rate_limit_status.json",null,function(err,cb) {
+ // console.log("direct_messages:",cb["resources"]["direct_messages"]);
+ // });
+ //
+ //},10000);
+
+ var node = this;
+ if (this.user === "user") {
+ node.poll_ids = [];
+ node.since_ids = {};
+ var users = node.tags.split(",");
+ for (var i=0;i<users.length;i++) {
+ var user = users[i].replace(" ","");
+ twit.getUserTimeline({
+ screen_name:user,
+ trim_user:0,
+ count:1
+ },function() {
+ var u = user+"";
+ return function(err,cb) {
+ if (err) {
+ node.error(err);
+ return;
+ }
+ if (cb[0]) {
+ node.since_ids[u] = cb[0].id_str;
+ } else {
+ node.since_ids[u] = '0';
+ }
+ node.poll_ids.push(setInterval(function() {
+ twit.getUserTimeline({
+ screen_name:u,
+ trim_user:0,
+ since_id:node.since_ids[u]
+ },function(err,cb) {
+ if (cb) {
+ for (var t=cb.length-1;t>=0;t-=1) {
+ var tweet = cb[t];
+ var where = tweet.user.location||"";
+ var la = tweet.lang || tweet.user.lang;
+ //console.log(tweet.user.location,"=>",tweet.user.screen_name,"=>",pay);
+ var msg = { topic:node.topic+"/"+tweet.user.screen_name, payload:tweet.text, location:where, lang:la, tweet:tweet };
+ node.send(msg);
+ if (t == 0) {
+ node.since_ids[u] = tweet.id_str;
+ }
+ }
+ }
+ if (err) {
+ node.error(err);
+ }
+ });
+ },60000));
+ }
+ }());
+ }
+ } else if (this.user === "dm") {
+ node.poll_ids = [];
+ twit.getDirectMessages({
+ screen_name:node.twitterConfig.screen_name,
+ trim_user:0,
+ count:1
+ },function(err,cb) {
+ if (err) {
+ node.error(err);
+ return;
+ }
+ if (cb[0]) {
+ node.since_id = cb[0].id_str;
+ } else {
+ node.since_id = '0';
+ }
+ node.poll_ids.push(setInterval(function() {
+ twit.getDirectMessages({
+ screen_name:node.twitterConfig.screen_name,
+ trim_user:0,
+ since_id:node.since_id
+ },function(err,cb) {
+ if (cb) {
+ for (var t=cb.length-1;t>=0;t-=1) {
+ var tweet = cb[t];
+ var msg = { topic:node.topic+"/"+tweet.sender.screen_name, payload:tweet.text, tweet:tweet };
+ node.send(msg);
+ if (t == 0) {
+ node.since_id = tweet.id_str;
+ }
+ }
+ }
+ if (err) {
+ node.error(err);
+ }
+ });
+ },120000));
+ });
+
+ } else if (this.tags !== "") {
+ try {
+ var thing = 'statuses/filter';
+ if (this.user === "true") { thing = 'user'; }
+ var st = { track: [node.tags] };
+ var bits = node.tags.split(",");
+ if ((bits.length > 0) && (bits.length % 4 == 0)) {
+ if ((Number(bits[0]) < Number(bits[2])) && (Number(bits[1]) < Number(bits[3]))) {
+ st = { locations: node.tags };
+ }
+ else {
+ node.log("possible bad geo area format. Should be lower-left lon, lat, upper-right lon, lat");
+ }
+ }
+
+ var setupStream = function() {
+ if (node.active) {
+ twit.stream(thing, st, function(stream) {
+ //console.log(st);
+ //twit.stream('user', { track: [node.tags] }, function(stream) {
+ //twit.stream('site', { track: [node.tags] }, function(stream) {
+ //twit.stream('statuses/filter', { track: [node.tags] }, function(stream) {
+ node.stream = stream;
+ stream.on('data', function(tweet) {
+ //console.log(tweet.user);
+ if (tweet.user !== undefined) {
+ var where = tweet.user.location||"";
+ var la = tweet.lang || tweet.user.lang;
+ //console.log(tweet.user.location,"=>",tweet.user.screen_name,"=>",pay);
+ var msg = { topic:node.topic+"/"+tweet.user.screen_name, payload:tweet.text, location:where, lang:la, tweet:tweet };
+ node.send(msg);
+ }
+ });
+ stream.on('limit', function(tweet) {
+ node.log("tweet rate limit hit");
+ });
+ stream.on('error', function(tweet,rc) {
+ if (rc == 420) {
+ node.warn("Twitter rate limit hit");
+ } else {
+ node.warn("Stream error:"+tweet.toString()+" ("+rc+")");
+ }
+ setTimeout(setupStream,10000);
+ });
+ stream.on('destroy', function (response) {
+ if (this.active) {
+ node.warn("twitter ended unexpectedly");
+ setTimeout(setupStream,10000);
+ }
+ });
+ });
+ }
+ }
+ setupStream();
+ }
+ catch (err) {
+ node.error(err);
+ }
+ } else {
+ this.error("Invalid tag property");
+ }
+ } else {
+ this.error("missing twitter credentials");
+ }
+
+ this.on('close', function() {
+ if (this.stream) {
+ this.active = false;
+ this.stream.destroy();
+ }
+ if (this.poll_ids) {
+ for (var i=0;i<this.poll_ids.length;i++) {
+ clearInterval(this.poll_ids[i]);
+ }
+ }
+ });
+ }
+ RED.nodes.registerType("twitter in",TwitterInNode);
+
+
+ function TwitterOutNode(n) {
+ RED.nodes.createNode(this,n);
+ this.topic = n.topic;
+ this.twitter = n.twitter;
+ this.twitterConfig = RED.nodes.getNode(this.twitter);
+ var credentials = RED.nodes.getCredentials(this.twitter);
+ var node = this;
+
+ if (credentials && credentials.screen_name == this.twitterConfig.screen_name) {
+ var twit = new ntwitter({
+ consumer_key: "OKjYEd1ef2bfFolV25G5nQ",
+ consumer_secret: "meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
+ access_token_key: credentials.access_token,
+ access_token_secret: credentials.access_token_secret
+ });
+ node.on("input", function(msg) {
+ node.status({fill:"blue",shape:"dot",text:"tweeting"});
+
+ if (msg.payload.length > 140) {
+ msg.payload = msg.payload.slice(0,139);
+ node.warn("Tweet greater than 140 : truncated");
+ }
+
+ if (msg.media && Buffer.isBuffer(msg.media)) {
+ var apiUrl = "https://api.twitter.com/1.1/statuses/update_with_media.json";
+ var signedUrl = oa.signUrl(apiUrl,
+ credentials.access_token,
+ credentials.access_token_secret,
+ "POST");
+
+ var r = request.post(signedUrl,function(err,httpResponse,body) {
+ if (err) {
+ node.error(err.toString());
+ node.status({fill:"red",shape:"ring",text:"failed"});
+ } else {
+ var response = JSON.parse(body);
+ if (body.errors) {
+ var errorList = body.errors.map(function(er) { return er.code+": "+er.message }).join(", ");
+ node.error("tweet failed: "+errorList);
+ node.status({fill:"red",shape:"ring",text:"failed"});
+ } else {
+ node.status({});
+ }
+ }
+ });
+ var form = r.form();
+ form.append("status",msg.payload);
+ form.append("media[]",msg.media,{filename:"image"});
+
+ } else {
+ twit.updateStatus(msg.payload, function (err, data) {
+ if (err) {
+ node.status({fill:"red",shape:"ring",text:"failed"});
+ node.error(err);
+ }
+ node.status({});
+ });
+ }
+ });
+ }
+ }
+ RED.nodes.registerType("twitter out",TwitterOutNode);
+
+ var oa = new OAuth(
+ "https://api.twitter.com/oauth/request_token",
+ "https://api.twitter.com/oauth/access_token",
+ "OKjYEd1ef2bfFolV25G5nQ",
+ "meRsltCktVMUI8gmggpXett7WBLd1k0qidYazoML6g",
+ "1.0",
+ null,
+ "HMAC-SHA1"
+ );
+
+ RED.httpAdmin.get('/twitter-credentials/:id/auth', function(req, res){
+ var credentials = {};
+ oa.getOAuthRequestToken({
+ oauth_callback: req.query.callback
+ },function(error, oauth_token, oauth_token_secret, results){
+ if (error) {
+ var resp = '<h2>Oh no!</h2>'+
+ '<p>Something went wrong with the authentication process. The following error was returned:<p>'+
+ '<p><b>'+error.statusCode+'</b>: '+error.data+'</p>'+
+ '<p>One known cause of this type of failure is if the clock is wrong on system running Node-RED.';
+ res.send(resp)
+ } else {
+ credentials.oauth_token = oauth_token;
+ credentials.oauth_token_secret = oauth_token_secret;
+ res.redirect('https://twitter.com/oauth/authorize?oauth_token='+oauth_token)
+ RED.nodes.addCredentials(req.params.id,credentials);
+ }
+ });
+ });
+
+ RED.httpAdmin.get('/twitter-credentials/:id/auth/callback', function(req, res, next){
+ var credentials = RED.nodes.getCredentials(req.params.id);
+ credentials.oauth_verifier = req.query.oauth_verifier;
+
+ oa.getOAuthAccessToken(
+ credentials.oauth_token,
+ credentials.token_secret,
+ credentials.oauth_verifier,
+ function(error, oauth_access_token, oauth_access_token_secret, results){
+ if (error){
+ console.log(error);
+ res.send("yeah something broke.");
+ } else {
+ credentials = {};
+ credentials.access_token = oauth_access_token;
+ credentials.access_token_secret = oauth_access_token_secret;
+ credentials.screen_name = "@"+results.screen_name;
+ RED.nodes.addCredentials(req.params.id,credentials);
+ res.send("<html><head></head><body>Authorised - you can close this window and return to Node-RED</body></html>");
+ }
+ }
+ );
+ });
+}
Code Review / ccsdk / distribution.git / blobdiff