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https://github.com/xfarrow/blink
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Change endpoint from persons to people
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xfarrow
416
backend/apis/nodejs/node_modules/nodemailer/lib/smtp-transport/index.js
generated
vendored
Normal file
416
backend/apis/nodejs/node_modules/nodemailer/lib/smtp-transport/index.js
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vendored
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@ -0,0 +1,416 @@
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'use strict';
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const EventEmitter = require('events');
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const SMTPConnection = require('../smtp-connection');
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const wellKnown = require('../well-known');
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const shared = require('../shared');
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const XOAuth2 = require('../xoauth2');
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const packageData = require('../../package.json');
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/**
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* Creates a SMTP transport object for Nodemailer
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*
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* @constructor
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* @param {Object} options Connection options
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*/
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class SMTPTransport extends EventEmitter {
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constructor(options) {
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super();
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options = options || {};
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if (typeof options === 'string') {
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options = {
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url: options
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};
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}
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let urlData;
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let service = options.service;
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if (typeof options.getSocket === 'function') {
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this.getSocket = options.getSocket;
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}
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if (options.url) {
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urlData = shared.parseConnectionUrl(options.url);
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service = service || urlData.service;
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}
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this.options = shared.assign(
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false, // create new object
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options, // regular options
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urlData, // url options
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service && wellKnown(service) // wellknown options
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);
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this.logger = shared.getLogger(this.options, {
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component: this.options.component || 'smtp-transport'
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});
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// temporary object
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let connection = new SMTPConnection(this.options);
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this.name = 'SMTP';
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this.version = packageData.version + '[client:' + connection.version + ']';
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if (this.options.auth) {
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this.auth = this.getAuth({});
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}
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}
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/**
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* Placeholder function for creating proxy sockets. This method immediatelly returns
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* without a socket
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*
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* @param {Object} options Connection options
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* @param {Function} callback Callback function to run with the socket keys
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*/
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getSocket(options, callback) {
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// return immediatelly
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return setImmediate(() => callback(null, false));
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}
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getAuth(authOpts) {
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if (!authOpts) {
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return this.auth;
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}
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let hasAuth = false;
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let authData = {};
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if (this.options.auth && typeof this.options.auth === 'object') {
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Object.keys(this.options.auth).forEach(key => {
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hasAuth = true;
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authData[key] = this.options.auth[key];
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});
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}
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if (authOpts && typeof authOpts === 'object') {
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Object.keys(authOpts).forEach(key => {
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hasAuth = true;
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authData[key] = authOpts[key];
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});
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}
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if (!hasAuth) {
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return false;
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}
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switch ((authData.type || '').toString().toUpperCase()) {
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case 'OAUTH2': {
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if (!authData.service && !authData.user) {
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return false;
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}
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let oauth2 = new XOAuth2(authData, this.logger);
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oauth2.provisionCallback = (this.mailer && this.mailer.get('oauth2_provision_cb')) || oauth2.provisionCallback;
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oauth2.on('token', token => this.mailer.emit('token', token));
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oauth2.on('error', err => this.emit('error', err));
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return {
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type: 'OAUTH2',
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user: authData.user,
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oauth2,
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method: 'XOAUTH2'
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};
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}
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default:
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return {
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type: (authData.type || '').toString().toUpperCase() || 'LOGIN',
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user: authData.user,
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credentials: {
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user: authData.user || '',
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pass: authData.pass,
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options: authData.options
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},
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method: (authData.method || '').trim().toUpperCase() || this.options.authMethod || false
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};
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}
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}
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/**
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* Sends an e-mail using the selected settings
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*
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* @param {Object} mail Mail object
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* @param {Function} callback Callback function
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*/
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send(mail, callback) {
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this.getSocket(this.options, (err, socketOptions) => {
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if (err) {
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return callback(err);
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}
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let returned = false;
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let options = this.options;
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if (socketOptions && socketOptions.connection) {
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this.logger.info(
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{
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tnx: 'proxy',
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remoteAddress: socketOptions.connection.remoteAddress,
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remotePort: socketOptions.connection.remotePort,
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destHost: options.host || '',
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destPort: options.port || '',
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action: 'connected'
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},
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'Using proxied socket from %s:%s to %s:%s',
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socketOptions.connection.remoteAddress,
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socketOptions.connection.remotePort,
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options.host || '',
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options.port || ''
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);
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// only copy options if we need to modify it
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options = shared.assign(false, options);
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Object.keys(socketOptions).forEach(key => {
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options[key] = socketOptions[key];
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});
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}
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let connection = new SMTPConnection(options);
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connection.once('error', err => {
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if (returned) {
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return;
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}
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returned = true;
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connection.close();
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return callback(err);
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});
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connection.once('end', () => {
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if (returned) {
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return;
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}
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let timer = setTimeout(() => {
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if (returned) {
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return;
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}
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returned = true;
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// still have not returned, this means we have an unexpected connection close
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let err = new Error('Unexpected socket close');
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if (connection && connection._socket && connection._socket.upgrading) {
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// starttls connection errors
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err.code = 'ETLS';
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}
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callback(err);
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}, 1000);
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try {
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timer.unref();
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} catch (E) {
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// Ignore. Happens on envs with non-node timer implementation
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}
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});
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let sendMessage = () => {
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let envelope = mail.message.getEnvelope();
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let messageId = mail.message.messageId();
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let recipients = [].concat(envelope.to || []);
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if (recipients.length > 3) {
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recipients.push('...and ' + recipients.splice(2).length + ' more');
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}
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if (mail.data.dsn) {
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envelope.dsn = mail.data.dsn;
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}
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this.logger.info(
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{
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tnx: 'send',
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messageId
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},
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'Sending message %s to <%s>',
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messageId,
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recipients.join(', ')
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);
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connection.send(envelope, mail.message.createReadStream(), (err, info) => {
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returned = true;
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connection.close();
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if (err) {
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this.logger.error(
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{
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err,
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tnx: 'send'
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},
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'Send error for %s: %s',
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messageId,
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err.message
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);
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return callback(err);
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}
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info.envelope = {
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from: envelope.from,
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to: envelope.to
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};
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info.messageId = messageId;
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try {
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return callback(null, info);
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} catch (E) {
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this.logger.error(
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{
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err: E,
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tnx: 'callback'
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},
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'Callback error for %s: %s',
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messageId,
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E.message
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);
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}
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});
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};
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connection.connect(() => {
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if (returned) {
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return;
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}
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let auth = this.getAuth(mail.data.auth);
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if (auth && (connection.allowsAuth || options.forceAuth)) {
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connection.login(auth, err => {
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if (auth && auth !== this.auth && auth.oauth2) {
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auth.oauth2.removeAllListeners();
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}
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if (returned) {
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return;
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}
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if (err) {
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returned = true;
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connection.close();
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return callback(err);
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}
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sendMessage();
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});
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} else {
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sendMessage();
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}
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});
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});
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}
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/**
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* Verifies SMTP configuration
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*
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* @param {Function} callback Callback function
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*/
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verify(callback) {
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let promise;
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if (!callback) {
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promise = new Promise((resolve, reject) => {
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callback = shared.callbackPromise(resolve, reject);
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});
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}
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this.getSocket(this.options, (err, socketOptions) => {
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if (err) {
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return callback(err);
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}
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let options = this.options;
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if (socketOptions && socketOptions.connection) {
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this.logger.info(
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{
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tnx: 'proxy',
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remoteAddress: socketOptions.connection.remoteAddress,
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remotePort: socketOptions.connection.remotePort,
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destHost: options.host || '',
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destPort: options.port || '',
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action: 'connected'
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},
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'Using proxied socket from %s:%s to %s:%s',
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socketOptions.connection.remoteAddress,
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socketOptions.connection.remotePort,
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options.host || '',
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options.port || ''
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);
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options = shared.assign(false, options);
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Object.keys(socketOptions).forEach(key => {
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options[key] = socketOptions[key];
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});
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}
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let connection = new SMTPConnection(options);
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let returned = false;
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connection.once('error', err => {
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if (returned) {
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return;
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}
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returned = true;
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connection.close();
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return callback(err);
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});
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connection.once('end', () => {
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if (returned) {
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return;
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}
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returned = true;
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return callback(new Error('Connection closed'));
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});
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let finalize = () => {
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if (returned) {
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return;
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}
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returned = true;
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connection.quit();
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return callback(null, true);
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};
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connection.connect(() => {
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if (returned) {
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return;
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}
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let authData = this.getAuth({});
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if (authData && (connection.allowsAuth || options.forceAuth)) {
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connection.login(authData, err => {
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if (returned) {
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return;
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}
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if (err) {
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returned = true;
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connection.close();
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return callback(err);
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}
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finalize();
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});
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} else if (!authData && connection.allowsAuth && options.forceAuth) {
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let err = new Error('Authentication info was not provided');
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err.code = 'NoAuth';
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returned = true;
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connection.close();
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return callback(err);
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} else {
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finalize();
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}
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});
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});
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return promise;
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}
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/**
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* Releases resources
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*/
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close() {
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if (this.auth && this.auth.oauth2) {
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this.auth.oauth2.removeAllListeners();
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}
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this.emit('close');
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}
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}
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// expose to the world
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module.exports = SMTPTransport;
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