288 lines
13 KiB
JavaScript
288 lines
13 KiB
JavaScript
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/**
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* Copyright 2013,2014 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 nodemailer = require("nodemailer");
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var Imap = require('imap');
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//console.log(nodemailer.Transport.transports.SMTP.wellKnownHosts);
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try {
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var globalkeys = RED.settings.email || require(process.env.NODE_RED_HOME+"/../emailkeys.js");
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} catch(err) {
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}
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function EmailNode(n) {
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RED.nodes.createNode(this,n);
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this.topic = n.topic;
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this.name = n.name;
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this.outserver = n.server;
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this.outport = n.port;
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var flag = false;
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if (this.credentials && this.credentials.hasOwnProperty("userid")) {
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this.userid = this.credentials.userid;
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} else {
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if (globalkeys) {
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this.userid = globalkeys.user;
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flag = true;
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} else {
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this.error("No e-mail userid set");
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}
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}
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if (this.credentials && this.credentials.hasOwnProperty("password")) {
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this.password = this.credentials.password;
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} else {
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if (globalkeys) {
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this.password = globalkeys.pass;
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flag = true;
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} else {
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this.error("No e-mail password set");
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}
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}
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if (flag) {
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RED.nodes.addCredentials(n.id,{userid:this.userid, password:this.password, global:true});
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}
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var node = this;
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var smtpTransport = nodemailer.createTransport({
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host: node.outserver,
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port: node.outport,
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secure: true,
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auth: {
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user: node.userid,
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pass: node.password
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}
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});
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this.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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if (smtpTransport) {
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node.status({fill:"blue",shape:"dot",text:"sending"});
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if (msg.to && node.name && (msg.to !== node.name)) {
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node.warn("Warning: msg properties can no longer override set node properties. See bit.ly/nr-override-msg-props");
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}
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var sendopts = { from: node.userid }; // sender address
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sendopts.to = node.name || msg.to; // comma separated list of addressees
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sendopts.subject = msg.topic || msg.title || "Message from Node-RED"; // subject line
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if (Buffer.isBuffer(msg.payload)) { // if it's a buffer in the payload then auto create an attachment instead
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if (!msg.filename) {
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var fe = "bin";
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if ((msg.payload[0] === 0xFF)&&(msg.payload[1] === 0xD8)) { fe = "jpg"; }
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if ((msg.payload[0] === 0x47)&&(msg.payload[1] === 0x49)) { fe = "gif"; } //46
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if ((msg.payload[0] === 0x42)&&(msg.payload[1] === 0x4D)) { fe = "bmp"; }
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if ((msg.payload[0] === 0x89)&&(msg.payload[1] === 0x50)) { fe = "png"; } //4E
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msg.filename = "attachment."+fe;
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}
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sendopts.attachments = [ { content: msg.payload, filename:(msg.filename.replace(/^.*[\\\/]/, '') || "file.bin") } ];
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if (msg.hasOwnProperty("headers") && msg.headers.hasOwnProperty("content-type")) {
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sendopts.attachments[0].contentType = msg.headers["content-type"];
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}
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// Create some body text..
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sendopts.text = "Your file from Node-RED is attached : "+(msg.filename.replace(/^.*[\\\/]/, '') || "file.bin")+ (msg.hasOwnProperty("description") ? "\n\n"+msg.description : "");
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}
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else {
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var payload = RED.util.ensureString(msg.payload);
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sendopts.text = payload; // plaintext body
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if (/<[a-z][\s\S]*>/i.test(payload)) { sendopts.html = payload; } // html body
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if (msg.attachments) { sendopts.attachments = msg.attachments; } // add attachments
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}
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smtpTransport.sendMail(sendopts, function(error, info) {
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if (error) {
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node.error(error,msg);
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node.status({fill:"red",shape:"ring",text:"send failed"});
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} else {
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node.log("Message sent: " + info.response);
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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 Email credentials found. See info panel."); }
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}
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else { node.warn("No payload to send"); }
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});
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}
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RED.nodes.registerType("e-mail",EmailNode,{
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credentials: {
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userid: {type:"text"},
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password: {type: "password"},
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global: { type:"boolean"}
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}
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});
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function EmailInNode(n) {
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RED.nodes.createNode(this,n);
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this.name = n.name;
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this.repeat = n.repeat * 1000 || 300000;
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this.inserver = n.server || globalkeys.server || "imap.gmail.com";
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this.inport = n.port || globalkeys.port || "993";
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this.box = n.box || "INBOX";
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var flag = false;
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if (this.credentials && this.credentials.hasOwnProperty("userid")) {
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this.userid = this.credentials.userid;
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} else {
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if (globalkeys) {
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this.userid = globalkeys.user;
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flag = true;
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} else {
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this.error("No e-mail userid set");
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}
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}
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if (this.credentials && this.credentials.hasOwnProperty("password")) {
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this.password = this.credentials.password;
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} else {
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if (globalkeys) {
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this.password = globalkeys.pass;
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flag = true;
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} else {
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this.error("No e-mail password set");
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}
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}
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if (flag) {
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RED.nodes.addCredentials(n.id,{userid:this.userid, password:this.password, global:true});
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}
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var node = this;
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this.interval_id = null;
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var oldmail = {};
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var imap = new Imap({
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user: node.userid,
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password: node.password,
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host: node.inserver,
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port: node.inport,
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tls: true,
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tlsOptions: { rejectUnauthorized: false },
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connTimeout: node.repeat,
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authTimeout: node.repeat
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});
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if (!isNaN(this.repeat) && this.repeat > 0) {
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node.log("repeat = "+this.repeat);
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this.interval_id = setInterval( function() {
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node.emit("input",{});
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}, this.repeat );
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}
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this.on("input", function(msg) {
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imap.once('ready', function() {
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node.status({fill:"blue",shape:"dot",text:"fetching"});
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var pay = {};
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imap.openBox(node.box, false, function(err, box) {
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if (err) {
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node.status({fill:"red",shape:"ring",text:"fetch folder error"});
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node.error("Failed to fetch folder "+node.box,err);
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}
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else {
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if (box.messages.total > 0) {
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//var f = imap.seq.fetch(box.messages.total + ':*', { markSeen:true, bodies: ['HEADER.FIELDS (FROM SUBJECT DATE TO CC BCC)','TEXT'] });
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var f = imap.seq.fetch(box.messages.total + ':*', { markSeen:true, bodies: ['HEADER','TEXT'] });
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f.on('message', function(msg, seqno) {
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node.log('message: #'+ seqno);
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var prefix = '(#' + seqno + ') ';
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msg.on('body', function(stream, info) {
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var buffer = '';
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stream.on('data', function(chunk) {
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buffer += chunk.toString('utf8');
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});
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stream.on('end', function() {
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if (info.which !== 'TEXT') {
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var head = Imap.parseHeader(buffer);
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pay.from = head.from[0];
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pay.topic = head.subject[0];
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pay.date = head.date[0];
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pay.header = head;
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} else {
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var parts = buffer.split("Content-Type");
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for (var p = 0; p < parts.length; p++) {
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if (parts[p].indexOf("text/plain") >= 0) {
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console.log("TEXT");
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pay.payload = parts[p].split("\n").slice(1,-2).join("\n").trim();
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}
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else if (parts[p].indexOf("text/html") >= 0) {
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console.log("HTML");
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pay.html = parts[p].split("\n").slice(1,-2).join("\n").trim();
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} else {
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console.log("OTHER");
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pay.payload = parts[0];
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}
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console.log("***",pay.payload,"***");
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}
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//pay.body = buffer;
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}
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});
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});
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msg.on('end', function() {
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//node.log('Finished: '+prefix);
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});
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});
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f.on('error', function(err) {
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node.warn('fetch message error: ' + err);
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node.status({fill:"red",shape:"ring",text:"fetch message error"});
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});
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f.on('end', function() {
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delete(pay._msgid);
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if (JSON.stringify(pay) !== oldmail) {
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oldmail = JSON.stringify(pay);
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node.send(pay);
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node.log('received new email: '+pay.topic);
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}
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else { node.log('duplicate not sent: '+pay.topic); }
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//node.status({fill:"green",shape:"dot",text:"ok"});
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node.status({});
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});
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}
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else {
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node.log("you have achieved inbox zero");
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//node.status({fill:"green",shape:"dot",text:"ok"});
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node.status({});
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}
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}
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imap.end();
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});
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});
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node.status({fill:"grey",shape:"dot",text:"connecting"});
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imap.connect();
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});
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imap.on('error', function(err) {
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node.log(err);
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node.status({fill:"red",shape:"ring",text:"connect error"});
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});
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this.on("error", function(err) {
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node.log("error: ",err);
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});
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this.on("close", function() {
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if (this.interval_id != null) {
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clearInterval(this.interval_id);
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}
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if (imap) { imap.destroy(); }
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});
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node.emit("input",{});
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}
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RED.nodes.registerType("e-mail in",EmailInNode,{
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credentials: {
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userid: {type:"text"},
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password: {type: "password"},
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global: { type:"boolean"}
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}
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});
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};
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