Current File : /home/opti/workflow/node_modules/express-mailer/node_modules/nodemailer/lib/transport.js
"use strict";
var SendmailTransport = require("./engines/sendmail"),
SMTPTransport = require("./engines/smtp"),
SESTransport = require("./engines/ses"),
StubTransport = require("./engines/stub"),
DirectTransport = require("./engines/direct"),
PickupTransport = require("./engines/pickup");
// Expose to the world
module.exports.Transport = Transport;
/**
* Hash of available transports (uppercase) and their constructor methods
*/
Transport.transports = {
"SMTP": SMTPTransport,
"SES": SESTransport,
"SENDMAIL": SendmailTransport,
"STUB": StubTransport,
"DIRECT": DirectTransport,
"PICKUP": PickupTransport
};
/**
* <p>Generates a Transport object that can be used to deliver e-mail.</p>
*
* <p>All transport objects need to have <code>sendMail</code> property defined
* and if needed, also an <code>close</code> method</p>
*
* @constructor
* @param {String|Function} type The type of the transport, currently available: SMTP, SES and Sendmail
*/
function Transport(type, options){
var Constructor;
this.options = options || {};
if(typeof type == "function"){
this.transportType = (type.name || "CUSTOM").toString().toUpperCase().trim();
Constructor = type;
}else{
this.transportType = (type || "direct").toString().trim().toUpperCase();
this.dkimOptions = false;
if(!(this.transportType in Transport.transports) && this.transportType.toLowerCase() in SMTPTransport.wellKnownHosts){
this.options.service = this.transportType;
this.transportType = SMTPTransport.wellKnownHosts[this.transportType.toLowerCase()].transport;
}
Constructor = Transport.transports[this.transportType];
}
if(Constructor){
this.transport = new Constructor(this.options);
this.version = this.transport.version || false;
}else{
this.transport = false;
}
}
/**
* <p>Forwards the generated mailcomposer object to the selected transport
* object for message delivery</p>
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
Transport.prototype.sendMailWithTransport = function(emailMessage, callback){
if(!this.transport){
return callback(new Error("Invalid transport method defined"));
}
if(this.dkimOptions){
emailMessage.useDKIM(this.dkimOptions);
}
this.transport.sendMail(emailMessage, callback);
};
/**
* <p>Sets up DKIM signing for this transport object</p>
*
* @param {Object} dkim DKIM options
*/
Transport.prototype.useDKIM = function(dkim){
this.dkimOptions = dkim;
};
/**
* <p>Closes the transport when needed, useful with SMTP (which uses connection
* pool) but not so much with SES or Sendmail</p>
*
* @param {Function} Callback function to run when the connection is closed
*/
Transport.prototype.close = function(callback){
if(!this.transport){
return callback(new Error("Invalid transport method defined"));
}
if(typeof this.transport.close == "function"){
this.transport.close(callback);
}else{
if(typeof callback == "function"){
callback(null);
}
}
};
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