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node-red/nodes/core/social/61-email.js
dceejay 9afb4a9315 reverse overide behaviour on file, http and email. Node properties now
have priority. Warn user if msg.property tries to override. 
Warning should  be removed at next major verion bump.
2015-03-19 21:25:43 +00:00

261 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 (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."); }
});
}
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"}
}
});
};