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Add Twitter to node-red-nodes. fix lint etc

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dceejay 2015-06-13 18:46:44 +01:00
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<!--
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.
-->
<script type="text/x-red" data-template-name="twitter-credentials">
<div class="form-row" id="node-config-twitter-row"></div>
<input type="hidden" id="node-config-input-screen_name">
</script>
<script type="text/javascript">
(function() {
var twitterConfigNodeId = null;
var twitterConfigNodeIntervalId = null;
function showTwitterAuthStart() {
var pathname = document.location.pathname;
if (pathname.slice(-1) != "/") {
pathname += "/";
}
var callback = encodeURIComponent(location.protocol+"//"+location.hostname+":"+location.port+pathname+"twitter-credentials/"+twitterConfigNodeId+"/auth/callback");
$("#node-config-dialog-ok").button("disable");
$("#node-config-twitter-row").html('<div style="text-align: center; margin-top: 20px; "><a class="btn" id="node-config-twitter-start" href="twitter-credentials/'+twitterConfigNodeId+'/auth?callback='+callback+'" target="_blank">Click here to authenticate with Twitter.</a></div>');
$("#node-config-twitter-start").click(function() {
twitterConfigNodeIntervalId = window.setTimeout(pollTwitterCredentials,2000);
});
}
function updateTwitterScreenName(sn) {
$("#node-config-input-screen_name").val(sn);
$("#node-config-twitter-row").html('<label><i class="fa fa-user"></i> Twitter ID</label><span class="input-xlarge uneditable-input">'+sn+'</span>');
}
function pollTwitterCredentials(e) {
$.getJSON('credentials/twitter-credentials/'+twitterConfigNodeId,function(data) {
if (data.screen_name) {
updateTwitterScreenName(data.screen_name);
twitterConfigNodeIntervalId = null;
$("#node-config-dialog-ok").button("enable");
} else {
twitterConfigNodeIntervalId = window.setTimeout(pollTwitterCredentials,2000);
}
})
}
RED.nodes.registerType('twitter-credentials',{
category: 'config',
defaults: {
screen_name: {value:""}
},
credentials: {
screen_name: {type:"text"},
access_token: {type: "password"},
access_token_secret: {type:"password"}
},
label: function() {
return this.screen_name;
},
exportable: false,
oneditprepare: function() {
twitterConfigNodeId = this.id;
if (!this.screen_name || this.screen_name === "") {
showTwitterAuthStart();
} else {
if (this.credentials.screen_name) {
updateTwitterScreenName(this.credentials.screen_name);
} else {
showTwitterAuthStart();
}
}
},
oneditsave: function() {
if (twitterConfigNodeIntervalId) {
window.clearTimeout(twitterConfigNodeIntervalId);
}
},
oneditcancel: function(adding) {
if (twitterConfigNodeIntervalId) {
window.clearTimeout(twitterConfigNodeIntervalId);
}
}
});
})();
</script>
<script type="text/x-red" data-template-name="twitter in">
<div class="form-row">
<label for="node-input-twitter"><i class="fa fa-user"></i> Log in as</label>
<input type="text" id="node-input-twitter">
</div>
<div class="form-row">
<label for="node-input-user"><i class="fa fa-search"></i> Search</label>
<select type="text" id="node-input-user" style="display: inline-block; vertical-align: middle; width:60%;">
<option value="false">all public tweets</option>
<option value="true">the tweets of who you follow</option>
<option value="user">the tweets of specific users</option>
<option value="dm">your direct messages</option>
</select>
</div>
<div class="form-row" id="node-input-tags-row">
<label for="node-input-tags"><i class="fa fa-tags"></i> <span id="node-input-tags-label">for</span></label>
<input type="text" id="node-input-tags" placeholder="comma-separated words, @ids, #tags">
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-tips">Tip: Use commas without spaces between multiple search terms. Comma = OR, Space = AND.
<br/>The Twitter API WILL NOT deliver 100% of all tweets.
<br/>Tweets of who you follow will include their retweets and favourites.</div>
</script>
<script type="text/x-red" data-help-name="twitter in">
<p>Twitter input node. Can be used to search either:
<ul><li>the public or a user's stream for tweets containing the configured search term</li>
<li>all tweets by specific users</li>
<li>direct messages received by the authenticated user</li>
</ul></p>
<p>Use space for <i>and</i> and comma , for <i>or</i> when searching for multiple terms.</p>
<p>Sets the <b>msg.topic</b> to <i>tweets/</i> and then appends the senders screen name.</p>
<p>Sets <b>msg.location</b> to the tweeters location if known.</p>
<p>Sets <b>msg.tweet</b> to the full tweet object as documented by <a href="https://dev.twitter.com/docs/platform-objects/tweets">Twitter</a>.
<p><b>Note:</b> when set to a specific user's tweets, or your direct messages, the node is subject to
Twitter's API rate limiting. If you deploy the flows multiple times within a 15 minute window, you may
exceed the limit and will see errors from the node. These errors will clear when the current 15 minute window
passes.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('twitter in',{
category: 'social-input',
color:"#C0DEED",
defaults: {
twitter: {type:"twitter-credentials",required:true},
tags: {value:"",validate:function(v) { return this.user == "dm" || v.length > 0;}},
user: {value:"false",required:true},
name: {value:""},
topic: {value:"tweets"}
},
inputs:0,
outputs:1,
icon: "twitter.png",
label: function() {
if (this.name) {
return this.name;
}
if (this.user == "dm") {
var user = RED.nodes.node(this.twitter);
return (user?user.label()+" ":"")+"DMs";
} else if (this.user == "user") {
return this.tags+" tweets";
}
return this.tags;
},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
$("#node-input-user").change(function() {
var type = $("#node-input-user option:selected").val();
if (type == "user") {
$("#node-input-tags-row").show();
$("#node-input-tags-label").html("User");
$("#node-input-tags").attr("placeholder","comma-separated @twitter handles");
} else if (type == "dm") {
$("#node-input-tags-row").hide();
} else {
$("#node-input-tags-row").show();
$("#node-input-tags-label").html("for");
$("#node-input-tags").attr("placeholder","comma-separated words, @ids, #hashtags");
}
});
$("#node-input-user").change();
}
});
</script>
<script type="text/x-red" data-template-name="twitter out">
<div class="form-row">
<label for="node-input-twitter"><i class="fa fa-user"></i> Twitter</label>
<input type="text" id="node-input-twitter">
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
</script>
<script type="text/x-red" data-help-name="twitter out">
<p>Twitter out node. Tweets the <b>msg.payload</b>.</p>
<p>To send a Direct Message (DM) - use a payload like "D {username} {message}"</p>
<p>If <b>msg.media</b> exists and is a Buffer object, this node will treat it
as an image and attach it to the tweet.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('twitter out',{
category: 'social-output',
color:"#C0DEED",
defaults: {
twitter: {type:"twitter-credentials",required:true},
name: {value:"Tweet"}
},
inputs:1,
outputs:0,
icon: "twitter.png",
align: "right",
label: function() {
return this.name;
}
});
</script>

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/**
* 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"}
}
});
/**
* 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 = 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;
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);
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 where = tweet.sender.location;
var la = tweet.lang || tweet.sender.lang;
var msg = { topic:node.topic+"/"+tweet.sender.screen_name, payload:tweet.text, lang:la, tweet:tweet };
if (where) {
msg.location = {place:where};
addLocationToTweet(msg);
}
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 == 4) {
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) {
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);
}
});
stream.on('limit', function(tweet) {
node.warn("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) {
if (msg.hasOwnProperty("payload")) {
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,msg);
node.status({fill:"red",shape:"ring",text:"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("Send tweet failed: "+errorList,msg);
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,msg);
}
node.status({});
});
}
}
else { node.warn("No payload to tweet"); }
});
}
}
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) {
RED.log.error(error);
res.send("something in twitter oauth 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>");
}
}
);
});
}

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Apache License
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http://www.apache.org/licenses/
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node-red-node-twitter
=====================
<a href="http://nodered.org" target="_new">Node-RED</a> nodes to talk to Twitter.
The Twitter API will **NOT** deliver 100% of all tweets. This does **NOT** give access to the Twitter Firehose.
Tweets of who you follow will include their retweets and favourites.</div>
**Note** : This is the same node as is/was in the core of Node-RED. If you already
have it installed you do NOT need this node. However it will be deprecated from
the core in due course, at which point you will need to install it from here if
still required.
Install
-------
Run the following command in the root directory of your Node-RED install, usually
this is ~/.node-red .
npm install node-red-node-twitter
Usage
-----
Provides two nodes - one to receive messages, and one to send.
###Input
Twitter input node. Can be used to search either:
- the public or a user's stream for tweets containing the configured search term
- all tweets by specific users
- direct messages received by the authenticated user
Use **space** for *and*, and **comma** , for *or* when searching for multiple terms.
Sets the **msg.topic** to *tweets/* and then appends the senders screen name.
Sets **msg.location** to the tweeters location if known.
Sets **msg.tweet** to the full tweet object as documented by <a href="https://dev.twitter.com/docs/platform-objects/tweets">Twitter</a>.
**Note:** when set to a specific user's tweets, or your direct messages, the node is subject to
Twitter's API rate limiting. If you deploy the flows multiple times within a 15 minute window, you may
exceed the limit and will see errors from the node. These errors will clear when the current 15 minute window
passes.
###Output
Tweets the **msg.payload**.
To send a Direct Message (DM) - use a payload like.
D {username} {message}
If **msg.media** exists and is a Buffer object, this node will treat it
as an image and attach it to the tweet.</p>

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{
"name" : "node-red-node-twitter",
"version" : "0.0.2",
"description" : "A Node-RED node to talk to an IRC server",
"dependencies" : {
"twitter-ng":"0.6.2"
},
"repository" : {
"type":"git",
"url":"https://github.com/node-red/node-red-nodes/tree/master/social/twitter"
},
"license": "Apache-2.0",
"keywords": [ "node-red", "twitter" ],
"node-red" : {
"nodes" : {
"twitter": "27-twitter.js"
}
},
"author": {
"name": "Dave Conway-Jones",
"email": "ceejay@vnet.ibm.com",
"url": "http://nodered.org"
}
}