Smtp server (#923)

* Email Mta Node added security and authentication

* Documentation updated

* Original formatting restored
This commit is contained in:
David D'Hauwe
2022-06-10 11:14:38 +02:00
committed by GitHub
parent dcfd055860
commit 0fa0816506
4 changed files with 248 additions and 51 deletions

View File

@@ -19,6 +19,7 @@ module.exports = function(RED) {
var simpleParser = require("mailparser").simpleParser;
var SMTPServer = require("smtp-server").SMTPServer;
//var microMTA = require("micromta").microMTA;
var fs = require('fs');
if (parseInt(process.version.split("v")[1].split(".")[0]) < 8) {
throw "Error : Requires nodejs version >= 8.";
@@ -565,47 +566,81 @@ module.exports = function(RED) {
function EmailMtaNode(n) {
RED.nodes.createNode(this,n);
RED.nodes.createNode(this, n);
this.port = n.port;
this.secure = n.secure;
this.starttls = n.starttls;
this.certFile = n.certFile;
this.keyFile = n.keyFile;
this.users = n.users;
this.auth = n.auth;
try {
this.options = JSON.parse(n.expert);
} catch (error) {
this.options = {};
}
var node = this;
if (!Array.isArray(node.options.disabledCommands)) {
node.options.disabledCommands = [];
}
node.options.secure = node.secure;
if (node.certFile) {
node.options.cert = fs.readFileSync(node.certFile);
}
if (node.keyFile) {
node.options.key = fs.readFileSync(node.keyFile);
}
if (!node.starttls) {
node.options.disabledCommands.push("STARTTLS");
}
if (!node.auth) {
node.options.disabledCommands.push("AUTH");
}
node.mta = new SMTPServer({
secure: false,
logger: false,
disabledCommands: ['AUTH', 'STARTTLS'],
onData: function (stream, session, callback) {
simpleParser(stream, { skipTextToHtml:true, skipTextLinks:true }, (err, parsed) => {
if (err) { node.error(RED._("email.errors.parsefail"),err); }
else {
node.status({fill:"green", shape:"dot", text:""});
var msg = {}
msg.payload = parsed.text;
msg.topic = parsed.subject;
msg.date = parsed.date;
msg.header = {};
parsed.headers.forEach((v, k) => {msg.header[k] = v;});
if (parsed.html) { msg.html = parsed.html; }
if (parsed.to) {
if (typeof(parsed.to) === "string" && parsed.to.length > 0) { msg.to = parsed.to; }
else if (parsed.to.hasOwnProperty("text") && parsed.to.text.length > 0) { msg.to = parsed.to.text; }
}
if (parsed.cc) {
if (typeof(parsed.cc) === "string" && parsed.cc.length > 0) { msg.cc = parsed.cc; }
else if (parsed.cc.hasOwnProperty("text") && parsed.cc.text.length > 0) { msg.cc = parsed.cc.text; }
}
if (parsed.cc && parsed.cc.length > 0) { msg.cc = parsed.cc; }
if (parsed.bcc && parsed.bcc.length > 0) { msg.bcc = parsed.bcc; }
if (parsed.from && parsed.from.value && parsed.from.value.length > 0) { msg.from = parsed.from.value[0].address; }
if (parsed.attachments) { msg.attachments = parsed.attachments; }
else { msg.attachments = []; }
node.send(msg); // Propagate the message down the flow
setTimeout(function() { node.status({})}, 500);
node.options.onData = function (stream, session, callback) {
simpleParser(stream, { skipTextToHtml:true, skipTextLinks:true }, (err, parsed) => {
if (err) { node.error(RED._("email.errors.parsefail"),err); }
else {
node.status({fill:"green", shape:"dot", text:""});
var msg = {}
msg.payload = parsed.text;
msg.topic = parsed.subject;
msg.date = parsed.date;
msg.header = {};
parsed.headers.forEach((v, k) => {msg.header[k] = v;});
if (parsed.html) { msg.html = parsed.html; }
if (parsed.to) {
if (typeof(parsed.to) === "string" && parsed.to.length > 0) { msg.to = parsed.to; }
else if (parsed.to.hasOwnProperty("text") && parsed.to.text.length > 0) { msg.to = parsed.to.text; }
}
callback();
});
if (parsed.cc) {
if (typeof(parsed.cc) === "string" && parsed.cc.length > 0) { msg.cc = parsed.cc; }
else if (parsed.cc.hasOwnProperty("text") && parsed.cc.text.length > 0) { msg.cc = parsed.cc.text; }
}
if (parsed.cc && parsed.cc.length > 0) { msg.cc = parsed.cc; }
if (parsed.bcc && parsed.bcc.length > 0) { msg.bcc = parsed.bcc; }
if (parsed.from && parsed.from.value && parsed.from.value.length > 0) { msg.from = parsed.from.value[0].address; }
if (parsed.attachments) { msg.attachments = parsed.attachments; }
else { msg.attachments = []; }
node.send(msg); // Propagate the message down the flow
setTimeout(function() { node.status({})}, 500);
}
callback();
});
}
node.options.onAuth = function (auth, session, callback) {
let id = node.users.findIndex(function (item) {
return item.name === auth.username;
});
if (id >= 0 && node.users[id].password === auth.password) {
callback(null, { user: id + 1 });
} else {
callback(new Error("Invalid username or password"));
}
});
}
node.mta = new SMTPServer(node.options);
node.mta.listen(node.port);