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node-red/nodes/core/social/61-email.js
2015-03-31 16:39:00 +01:00

264 lines
11 KiB
JavaScript

/**
* Copyright 2013,2014 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 nodemailer = require("nodemailer");
var Imap = require('imap');
//console.log(nodemailer.Transport.transports.SMTP.wellKnownHosts);
try {
var globalkeys = RED.settings.email || require(process.env.NODE_RED_HOME+"/../emailkeys.js");
} catch(err) {
}
function EmailNode(n) {
RED.nodes.createNode(this,n);
this.topic = n.topic;
this.name = n.name;
this.outserver = n.server;
this.outport = n.port;
var flag = false;
if (this.credentials && this.credentials.hasOwnProperty("userid")) {
this.userid = this.credentials.userid;
} else {
if (globalkeys) {
this.userid = globalkeys.user;
flag = true;
} else {
this.error("No e-mail userid set");
}
}
if (this.credentials && this.credentials.hasOwnProperty("password")) {
this.password = this.credentials.password;
} else {
if (globalkeys) {
this.password = globalkeys.pass;
flag = true;
} else {
this.error("No e-mail password set");
}
}
if (flag) {
RED.nodes.addCredentials(n.id,{userid:this.userid, password:this.password, global:true});
}
var node = this;
var smtpTransport = nodemailer.createTransport({
host: node.outserver,
port: node.outport,
secure: true,
auth: {
user: node.userid,
pass: node.password
}
});
this.on("input", function(msg) {
if (msg.hasOwnProperty("payload")) {
if (smtpTransport) {
node.status({fill:"blue",shape:"dot",text:"sending"});
if (msg.to && node.name && (msg.to !== node.name)) {
node.warn("Warning: msg properties can no longer override set node properties. See bit.ly/nr-override-msg-props");
}
var sendopts = { from: node.userid }; // sender address
sendopts.to = node.name || msg.to; // comma separated list of addressees
sendopts.subject = msg.topic || msg.title || "Message from Node-RED"; // subject line
if (Buffer.isBuffer(msg.payload)) { // if it's a buffer in the payload then auto create an attachment instead
sendopts.attachments = [ { content: msg.payload, filename:(msg.filename.replace(/^.*[\\\/]/, '') || "file.bin") } ];
if (msg.hasOwnProperty("headers") && msg.headers.hasOwnProperty("content-type")) {
sendopts.attachments[0].contentType = msg.headers["content-type"];
}
// Create some body text..
sendopts.text = "Your file from Node-RED is attached : "+(msg.filename.replace(/^.*[\\\/]/, '') || "file.bin")+ (msg.hasOwnProperty("description") ? "\n\n"+msg.description : "");
}
else {
var payload = RED.util.ensureString(msg.payload);
sendopts.text = payload; // plaintext body
if (/<[a-z][\s\S]*>/i.test(payload)) { sendopts.html = payload; } // html body
if (msg.attachments) { sendopts.attachments = msg.attachments; } // add attachments
}
smtpTransport.sendMail(sendopts, function(error, info) {
if (error) {
node.error(error,msg);
node.status({fill:"red",shape:"ring",text:"send failed"});
} else {
node.log("Message sent: " + info.response);
node.status({});
}
});
}
else { node.warn("No Email credentials found. See info panel."); }
}
else { node.warn("No payload to send"); }
});
}
RED.nodes.registerType("e-mail",EmailNode,{
credentials: {
userid: {type:"text"},
password: {type: "password"},
global: { type:"boolean"}
}
});
function EmailInNode(n) {
RED.nodes.createNode(this,n);
this.name = n.name;
this.repeat = n.repeat * 1000 || 300000;
this.inserver = n.server || globalkeys.server || "imap.gmail.com";
this.inport = n.port || globalkeys.port || "993";
var flag = false;
if (this.credentials && this.credentials.hasOwnProperty("userid")) {
this.userid = this.credentials.userid;
} else {
if (globalkeys) {
this.userid = globalkeys.user;
flag = true;
} else {
this.error("No e-mail userid set");
}
}
if (this.credentials && this.credentials.hasOwnProperty("password")) {
this.password = this.credentials.password;
} else {
if (globalkeys) {
this.password = globalkeys.pass;
flag = true;
} else {
this.error("No e-mail password set");
}
}
if (flag) {
RED.nodes.addCredentials(n.id,{userid:this.userid, password:this.password, global:true});
}
var node = this;
this.interval_id = null;
var oldmail = {};
var imap = new Imap({
user: node.userid,
password: node.password,
host: node.inserver,
port: node.inport,
tls: true,
tlsOptions: { rejectUnauthorized: false },
connTimeout: node.repeat,
authTimeout: node.repeat
});
if (!isNaN(this.repeat) && this.repeat > 0) {
node.log("repeat = "+this.repeat);
this.interval_id = setInterval( function() {
node.emit("input",{});
}, this.repeat );
}
this.on("input", function(msg) {
imap.once('ready', function() {
node.status({fill:"blue",shape:"dot",text:"fetching"});
var pay = {};
imap.openBox('INBOX', false, function(err, box) {
if (box.messages.total > 0) {
var f = imap.seq.fetch(box.messages.total + ':*', { markSeen:true, bodies: ['HEADER.FIELDS (FROM SUBJECT DATE)','TEXT'] });
f.on('message', function(msg, seqno) {
node.log('message: #'+ seqno);
var prefix = '(#' + seqno + ') ';
msg.on('body', function(stream, info) {
var buffer = '';
stream.on('data', function(chunk) {
buffer += chunk.toString('utf8');
});
stream.on('end', function() {
if (info.which !== 'TEXT') {
pay.from = Imap.parseHeader(buffer).from[0];
pay.topic = Imap.parseHeader(buffer).subject[0];
pay.date = Imap.parseHeader(buffer).date[0];
} else {
var parts = buffer.split("Content-Type");
for (var p = 0; p < parts.length; p++) {
if (parts[p].indexOf("text/plain") >= 0) {
pay.payload = parts[p].split("\n").slice(1,-2).join("\n").trim();
}
if (parts[p].indexOf("text/html") >= 0) {
pay.html = parts[p].split("\n").slice(1,-2).join("\n").trim();
}
}
//pay.body = buffer;
}
});
});
msg.on('end', function() {
//node.log('Finished: '+prefix);
});
});
f.on('error', function(err) {
node.warn('fetch error: ' + err);
node.status({fill:"red",shape:"ring",text:"fetch error"});
});
f.on('end', function() {
if (JSON.stringify(pay) !== oldmail) {
node.send(pay);
oldmail = JSON.stringify(pay);
node.log('received new email: '+pay.topic);
}
else { node.log('duplicate not sent: '+pay.topic); }
//node.status({fill:"green",shape:"dot",text:"ok"});
node.status({});
imap.end();
});
}
else {
node.log("you have achieved inbox zero");
//node.status({fill:"green",shape:"dot",text:"ok"});
node.status({});
imap.end();
}
});
});
node.status({fill:"grey",shape:"dot",text:"connecting"});
imap.connect();
});
imap.on('error', function(err) {
node.log(err);
node.status({fill:"red",shape:"ring",text:"connect error"});
});
this.on("error", function(err) {
node.log("error: ",err);
});
this.on("close", function() {
if (this.interval_id != null) {
clearInterval(this.interval_id);
}
if (imap) { imap.destroy(); }
});
node.emit("input",{});
}
RED.nodes.registerType("e-mail in",EmailInNode,{
credentials: {
userid: {type:"text"},
password: {type: "password"},
global: { type:"boolean"}
}
});
};