module.exports = function(RED) { "use strict"; var Ntwitter = require('twitter-ng'); var request = require('request'); var crypto = require('crypto'); // var fileType = require('file-type'); var twitterRateTimeout; var retry = 60000; // 60 secs backoff for now var localUserCache = {}; var userObjectCache = {}; var userSreenNameToIdCache = {}; function TwitterCredentialsNode(n) { RED.nodes.createNode(this,n); this.screen_name = n.screen_name; if (this.screen_name && this.screen_name[0] === "@") { this.screen_name = this.screen_name.substring(1); } if (this.credentials.consumer_key && this.credentials.consumer_secret && this.credentials.access_token && this.credentials.access_token_secret) { this.oauth = { consumer_key: this.credentials.consumer_key, consumer_secret: this.credentials.consumer_secret, token: this.credentials.access_token, token_secret: this.credentials.access_token_secret } this.credHash = crypto.createHash('sha1').update( this.credentials.consumer_key+this.credentials.consumer_secret+ this.credentials.access_token+this.credentials.access_token_secret ).digest('base64'); var self = this; if (localUserCache.hasOwnProperty(self.credHash)) { this.localIdentityPromise = Promise.resolve(localUserCache[self.credHash]); } else { this.localIdentityPromise = this.get("https://api.twitter.com/1.1/account/settings.json").then(function(body) { if (body.status === 200) { localUserCache[self.credHash] = body.body.screen_name; self.screen_name = body.body.screen_name; } else { self.warn("Failed to get user profile"); } }); } } } RED.nodes.registerType("twitter-credentials",TwitterCredentialsNode,{ credentials: { consumer_key: { type: "password"}, consumer_secret: { type: "password" }, access_token: {type: "password"}, access_token_secret: {type:"password"} } }); TwitterCredentialsNode.prototype.get = function(url,opts) { var node = this; opts = opts || {}; opts.tweet_mode = 'extended'; return new Promise(function(resolve,reject) { request.get({ url: url, oauth: node.oauth, json: true, qs: opts }, function(err, response,body) { if (err) { reject(err); } else { resolve({ status: response.statusCode, rateLimitRemaining: response.headers['x-rate-limit-remaining'], rateLimitTimeout: 5000+parseInt(response.headers['x-rate-limit-reset'])*1000 - Date.now(), body: body }); } }); }) } TwitterCredentialsNode.prototype.post = function(url,data,opts,formData) { var node = this; opts = opts || {}; var options = { url: url, oauth: node.oauth, json: true, qs: opts, }; if (data) { options.body = data; } if (formData) { options.formData = formData; } return new Promise(function(resolve,reject) { request.post(options, function(err, response,body) { if (err) { reject(err); } else { resolve({ status: response.statusCode, rateLimitRemaining: response.headers['x-rate-limit-remaining'], rateLimitTimeout: 5000+parseInt(response.headers['x-rate-limit-reset'])*1000 - Date.now(), body: body }); } }); }) } TwitterCredentialsNode.prototype.getUsers = function(users,getBy) { if (users.length === 0) { return Promise.resolve(); } var params = {}; params[getBy||"user_id"] = users; return this.get("https://api.twitter.com/1.1/users/lookup.json",params).then(function(result) { var res = result.body; if (res.errors) { throw new Error(res.errors[0].message); } res.forEach(user => { userObjectCache[user.id_str] = user userSreenNameToIdCache[user.screen_name] = user.id_str; }); }) } /** * Populate msg.location based on data found in msg.tweet. */ function addLocationToTweet(msg) { if (msg.tweet) { if (msg.tweet.geo) { // if geo is set, always set location from geo if (msg.tweet.geo.coordinates && msg.tweet.geo.coordinates.length === 2) { if (!msg.location) { msg.location = {}; } // coordinates[0] is lat, coordinates[1] is lon msg.location.lat = msg.tweet.geo.coordinates[0]; msg.location.lon = msg.tweet.geo.coordinates[1]; msg.location.icon = "twitter"; } } else if (msg.tweet.coordinates) { // otherwise attempt go get it from coordinates if (msg.tweet.coordinates.coordinates && msg.tweet.coordinates.coordinates.length === 2) { if (!msg.location) { msg.location = {}; } // WARNING! coordinates[1] is lat, coordinates[0] is lon!!! msg.location.lat = msg.tweet.coordinates.coordinates[1]; msg.location.lon = msg.tweet.coordinates.coordinates[0]; msg.location.icon = "twitter"; } } // if none of these found then just do nothing } // if no msg.tweet then just do nothing } 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 = "tweets"; this.twitterConfig = RED.nodes.getNode(this.twitter); this.poll_ids = []; this.timeout_ids = []; var credentials = RED.nodes.getCredentials(this.twitter); this.status({}); if (this.twitterConfig.oauth) { var node = this; if (this.user === "true") { // Poll User Home Timeline 1/min this.poll(60000,"https://api.twitter.com/1.1/statuses/home_timeline.json"); } else if (this.user === "user") { var users = node.tags.split(/\s*,\s*/).filter(v=>!!v); if (users.length === 0) { node.error(RED._("twitter.warn.nousers")); return; } // Poll User timeline users.forEach(function(user) { node.poll(60000,"https://api.twitter.com/1.1/statuses/user_timeline.json",{screen_name: user}); }) } else if (this.user === "dm") { node.pollDirectMessages(); } else if (this.user === "event") { this.error("This Twitter node is configured to access a user's activity stream. Twitter removed this API in August 2018 and is no longer available."); return; } else if (this.user === "false") { var twit = new Ntwitter({ consumer_key: credentials.consumer_key, consumer_secret: credentials.consumer_secret, access_token_key: credentials.access_token, access_token_secret: credentials.access_token_secret }); // Stream public tweets try { var thing = 'statuses/filter'; var tags = node.tags; var st = { track: [tags] }; var setupStream = function() { if (node.restart) { node.status({fill:"green", shape:"dot", text:(tags||" ")}); twit.stream(thing, st, function(stream) { //console.log("ST",st); node.stream = stream; stream.on('data', function(tweet) { if (tweet.user !== undefined) { var where = tweet.user.location; var la = tweet.lang || tweet.user.lang; var msg = { topic:node.topic+"/"+tweet.user.screen_name, payload:tweet.text, lang:la, tweet:tweet }; if (where) { msg.location = {place:where}; addLocationToTweet(msg); } node.send(msg); //node.status({fill:"green", shape:"dot", text:(tags||" ")}); } }); stream.on('limit', function(tweet) { //node.status({fill:"grey", shape:"dot", text:RED._("twitter.errors.limitrate")}); node.status({fill:"grey", shape:"dot", text:(tags||" ")}); node.tout2 = setTimeout(function() { node.status({fill:"green", shape:"dot", text:(tags||" ")}); },10000); }); stream.on('error', function(tweet,rc) { //console.log("ERRO",rc,tweet); if (rc == 420) { node.status({fill:"red", shape:"ring", text:RED._("twitter.errors.ratelimit")}); } else { node.status({fill:"red", shape:"ring", text:tweet.toString()}); node.warn(RED._("twitter.errors.streamerror",{error:tweet.toString(),rc:rc})); } twitterRateTimeout = Date.now() + retry; if (node.restart) { node.tout = setTimeout(function() { setupStream() },retry); } }); stream.on('destroy', function (response) { //console.log("DEST",response) twitterRateTimeout = Date.now() + 15000; if (node.restart) { node.status({fill:"red", shape:"dot", text:" "}); node.warn(RED._("twitter.errors.unexpectedend")); node.tout = setTimeout(function() { setupStream() },15000); } }); }); } } // if 4 numeric tags that look like a geo area then set geo area var bits = node.tags.split(","); if (bits.length == 4) { if ((Number(bits[0]) < Number(bits[2])) && (Number(bits[1]) < Number(bits[3]))) { st = { locations: node.tags }; node.log(RED._("twitter.status.using-geo",{location:node.tags.toString()})); } } // all public tweets if (this.user === "false") { node.on("input", function(msg) { if (this.tags === '') { if (node.tout) { clearTimeout(node.tout); } if (node.tout2) { clearTimeout(node.tout2); } if (this.stream) { this.restart = false; node.stream.removeAllListeners(); this.stream.destroy(); } if ((typeof msg.payload === "string") && (msg.payload !== "")) { st = { track:[msg.payload] }; tags = msg.payload; this.restart = true; if ((twitterRateTimeout - Date.now()) > 0 ) { node.status({fill:"red", shape:"ring", text:tags}); node.tout = setTimeout(function() { setupStream(); }, twitterRateTimeout - Date.now() ); } else { setupStream(); } } else { node.status({fill:"yellow", shape:"ring", text:RED._("twitter.warn.waiting")}); } } }); } // wait for input or start the stream if ((this.user === "false") && (tags === '')) { node.status({fill:"yellow", shape:"ring", text:RED._("twitter.warn.waiting")}); } else { this.restart = true; setupStream(); } } catch (err) { node.error(err); } } this.on('close', function() { if (this.tout) { clearTimeout(this.tout); } if (this.tout2) { clearTimeout(this.tout2); } if (this.stream) { this.restart = false; this.stream.removeAllListeners(); this.stream.destroy(); } if (this.timeout_ids) { for (var i=0; i 0) { since = res[0].id_str; } pollId = setInterval(function() { opts.since_id = since; node.twitterConfig.get(url,opts).then(function(result) { if (result.status === 429) { node.warn("Rate limit hit. Waiting "+Math.floor(result.rateLimitTimeout/1000)+" seconds to try again"); clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { node.poll(interval,url,opts); },result.rateLimitTimeout)) return; } node.debug("Twitter Poll, rateLimitRemaining="+result.rateLimitRemaining+" rateLimitTimeout="+Math.floor(result.rateLimitTimeout/1000)+"s"); var res = result.body; if (res.errors) { node.error(res.errors[0].message); if (res.errors[0].code === 44) { // 'since_id parameter is invalid' - reset it for next time delete opts.since_id; } clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { node.poll(interval,url,opts); },interval)) return; } if (res.length > 0) { since = res[0].id_str; var len = res.length; for (var i = len-1; i >= 0; i--) { var tweet = res[i]; if (tweet.user !== undefined) { var where = tweet.user.location; var la = tweet.lang || tweet.user.lang; tweet.text = tweet.text || tweet.full_text; var msg = { topic:"tweets/"+tweet.user.screen_name, payload:tweet.text, lang:la, tweet:tweet }; if (where) { msg.location = {place:where}; addLocationToTweet(msg); } node.send(msg); } } } }).catch(function(err) { node.error(err); clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { delete opts.since_id; delete opts.count; node.poll(interval,url,opts); },interval)) }) },interval) node.poll_ids.push(pollId); }).catch(function(err) { node.error(err); node.timeout_ids.push(setTimeout(function() { delete opts.since_id; delete opts.count; node.poll(interval,url,opts); },interval)) }) } TwitterInNode.prototype.pollDirectMessages = function() { var interval = 70000; var node = this; var opts = {}; var url = "https://api.twitter.com/1.1/direct_messages/events/list.json"; var pollId; opts.count = 50; this.twitterConfig.get(url,opts).then(function(result) { if (result.status === 429) { node.warn("Rate limit hit. Waiting "+Math.floor(result.rateLimitTimeout/1000)+" seconds to try again"); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },result.rateLimitTimeout)) return; } node.debug("Twitter DM Poll, rateLimitRemaining="+result.rateLimitRemaining+" rateLimitTimeout="+Math.floor(result.rateLimitTimeout/1000)+"s"); var res = result.body; if (res.errors) { node.error(res.errors[0].message); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },interval)) return; } var since = "0"; var messages = res.events.filter(tweet => tweet.type === 'message_create' && tweet.id > since); if (messages.length > 0) { since = messages[0].id; } pollId = setInterval(function() { node.twitterConfig.get(url,opts).then(function(result) { if (result.status === 429) { node.warn("Rate limit hit. Waiting "+Math.floor(result.rateLimitTimeout/1000)+" seconds to try again"); clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },result.rateLimitTimeout)) return; } node.debug("Twitter DM Poll, rateLimitRemaining="+result.rateLimitRemaining+" rateLimitTimeout="+Math.floor(result.rateLimitTimeout/1000)+"s"); var res = result.body; if (res.errors) { node.error(res.errors[0].message); clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },interval)) return; } var messages = res.events.filter(tweet => tweet.type === 'message_create' && tweet.id > since); if (messages.length > 0) { since = messages[0].id; var len = messages.length; var missingUsers = {}; var tweets = []; for (var i = len-1; i >= 0; i--) { var tweet = messages[i]; // node.log(JSON.stringify(tweet," ",4)); var output = { id: tweet.id, id_str: tweet.id, text: tweet.message_create.message_data.text, created_timestamp: tweet.created_timestamp, entities: tweet.message_create.message_data.entities } if (!userObjectCache.hasOwnProperty(tweet.message_create.sender_id)) { missingUsers[tweet.message_create.sender_id] = true; } if (!userObjectCache.hasOwnProperty(tweet.message_create.target.recipient_id)) { missingUsers[tweet.message_create.target.recipient_id] = true; } tweets.push(output); } var missingUsernames = Object.keys(missingUsers).join(","); return node.twitterConfig.getUsers(missingUsernames).then(function() { var len = tweets.length; for (var i = 0; i < len; i++) { var tweet = messages[i]; var output = tweets[i]; output.sender = userObjectCache[tweet.message_create.sender_id]; output.sender_id = output.sender.id; output.sender_id_str = output.sender.id_str; output.sender_screen_name = output.sender.screen_name; output.recipient = userObjectCache[tweet.message_create.target.recipient_id]; output.recipient_id = output.recipient.id; output.recipient_id_str = output.recipient.id_str; output.recipient_screen_name = output.recipient.screen_name; if (output.sender_screen_name !== node.twitterConfig.screen_name) { var msg = { topic:"tweets/"+output.sender_screen_name, payload:output.text, tweet:output }; node.send(msg); } } }) } }).catch(function(err) { node.error(err); clearInterval(pollId); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },interval)) }) },interval) node.poll_ids.push(pollId); }).catch(function(err) { node.error(err); node.timeout_ids.push(setTimeout(function() { node.pollDirectMessages(); },interval)) }) } 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; node.status({}); if (this.twitterConfig.oauth) { var twit = new Ntwitter({ consumer_key: credentials.consumer_key, consumer_secret: credentials.consumer_secret, access_token_key: credentials.access_token, access_token_secret: credentials.access_token_secret }); node.on("input", function(msg) { if (msg.hasOwnProperty("payload")) { node.status({fill:"blue",shape:"dot",text:"twitter.status.tweeting"}); if (msg.payload.slice(0,2).toLowerCase() === "d ") { var dm_user; // direct message syntax: "D user message" var t = msg.payload.match(/D\s+(\S+)\s+(.*)/).slice(1); dm_user = t[0]; msg.payload = t[1]; var lookupPromise; if (userSreenNameToIdCache.hasOwnProperty(dm_user)) { lookupPromise = Promise.resolve(); } else { lookupPromise = node.twitterConfig.getUsers(dm_user,"screen_name") } lookupPromise.then(function() { if (userSreenNameToIdCache.hasOwnProperty(dm_user)) { // Send a direct message node.twitterConfig.post("https://api.twitter.com/1.1/direct_messages/events/new.json",{ event: { type: "message_create", "message_create": { "target": { "recipient_id": userSreenNameToIdCache[dm_user] }, "message_data": {"text": msg.payload} } } }).then(function() { node.status({}); }).catch(function(err) { node.error(err,msg); node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); }); } else { node.error("Unknown user",msg); node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); } }).catch(function(err) { node.error(err,msg); node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); }) } else { if (msg.payload.length > 280) { msg.payload = msg.payload.slice(0,279); node.warn(RED._("twitter.errors.truncated")); } var mediaPromise; if (msg.media && Buffer.isBuffer(msg.media)) { // var mediaType = fileType(msg.media); // if (mediaType === null) { // node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); // node.error("msg.media is not a valid media object",msg); // return; // } mediaPromise = node.twitterConfig.post("https://upload.twitter.com/1.1/media/upload.json",null,null,{ media: msg.media }).then(function(result) { if (result.status === 200) { return result.body.media_id_string; } else { throw new Error(result.body.errors[0]); } }); } else { mediaPromise = Promise.resolve(); } mediaPromise.then(function(mediaId) { var params = msg.params || {}; params.status = msg.payload; if (mediaId) { params.media_ids = mediaId; } node.twitterConfig.post("https://api.twitter.com/1.1/statuses/update.json",{},params).then(function(result) { if (result.status === 200) { node.status({}); } else { node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); node.error(result.body.errors[0].message,msg); } }).catch(function(err) { node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); node.error(err,msg); }) }).catch(function(err) { node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); node.error(err,msg); }); // if (msg.payload.length > 280) { // msg.payload = msg.payload.slice(0,279); // node.warn(RED._("twitter.errors.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,msg); // node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); // } // else { // var response = JSON.parse(body); // if (response.errors) { // var errorList = response.errors.map(function(er) { return er.code+": "+er.message }).join(", "); // node.error(RED._("twitter.errors.sendfail",{error:errorList}),msg); // node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); // } // else { // node.status({}); // } // } // }); // var form = r.form(); // form.append("status",msg.payload); // form.append("media[]",msg.media,{filename:"image"}); // // } else { // if (typeof msg.params === 'undefined') { msg.params = {}; } // twit.updateStatus(msg.payload, msg.params, function (err, data) { // if (err) { // node.status({fill:"red",shape:"ring",text:"twitter.status.failed"}); // node.error(err,msg); // } // node.status({}); // }); // } } } }); } else { this.error(RED._("twitter.errors.missingcredentials")); } } RED.nodes.registerType("twitter out",TwitterOutNode); }