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234
node_modules/nodemailer/lib/ses-transport/index.js
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234
node_modules/nodemailer/lib/ses-transport/index.js
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'use strict';
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const EventEmitter = require('events');
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const packageData = require('../../package.json');
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const shared = require('../shared');
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const LeWindows = require('../mime-node/le-windows');
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const MimeNode = require('../mime-node');
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/**
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* Generates a Transport object for AWS SES
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*
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* @constructor
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* @param {Object} optional config parameter
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*/
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class SESTransport extends EventEmitter {
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constructor(options) {
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super();
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options = options || {};
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this.options = options || {};
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this.ses = this.options.SES;
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this.name = 'SESTransport';
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this.version = packageData.version;
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this.logger = shared.getLogger(this.options, {
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component: this.options.component || 'ses-transport'
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});
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}
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getRegion(cb) {
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if (this.ses.sesClient.config && typeof this.ses.sesClient.config.region === 'function') {
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// promise
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return this.ses.sesClient.config
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.region()
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.then(region => cb(null, region))
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.catch(err => cb(err));
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}
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return cb(null, false);
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}
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/**
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* Compiles a mailcomposer message and forwards it to SES
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*
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* @param {Object} emailMessage MailComposer object
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* @param {Function} callback Callback function to run when the sending is completed
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*/
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send(mail, callback) {
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let statObject = {
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ts: Date.now(),
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pending: true
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};
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let fromHeader = mail.message._headers.find(header => /^from$/i.test(header.key));
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if (fromHeader) {
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let mimeNode = new MimeNode('text/plain');
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fromHeader = mimeNode._convertAddresses(mimeNode._parseAddresses(fromHeader.value));
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}
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let envelope = mail.data.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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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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let getRawMessage = next => {
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// do not use Message-ID and Date in DKIM signature
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if (!mail.data._dkim) {
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mail.data._dkim = {};
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}
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if (mail.data._dkim.skipFields && typeof mail.data._dkim.skipFields === 'string') {
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mail.data._dkim.skipFields += ':date:message-id';
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} else {
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mail.data._dkim.skipFields = 'date:message-id';
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}
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let sourceStream = mail.message.createReadStream();
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let stream = sourceStream.pipe(new LeWindows());
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let chunks = [];
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let chunklen = 0;
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stream.on('readable', () => {
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let chunk;
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while ((chunk = stream.read()) !== null) {
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chunks.push(chunk);
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chunklen += chunk.length;
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}
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});
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sourceStream.once('error', err => stream.emit('error', err));
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stream.once('error', err => {
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next(err);
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});
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stream.once('end', () => next(null, Buffer.concat(chunks, chunklen)));
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};
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setImmediate(() =>
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getRawMessage((err, raw) => {
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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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messageId
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},
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'Failed creating message for %s. %s',
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messageId,
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err.message
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);
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statObject.pending = false;
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return callback(err);
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}
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let sesMessage = {
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Content: {
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Raw: {
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// required
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Data: raw // required
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}
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},
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FromEmailAddress: fromHeader ? fromHeader : envelope.from,
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Destination: {
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ToAddresses: envelope.to
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}
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};
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Object.keys(mail.data.ses || {}).forEach(key => {
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sesMessage[key] = mail.data.ses[key];
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});
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this.getRegion((err, region) => {
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if (err || !region) {
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region = 'us-east-1';
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}
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const command = new this.ses.SendEmailCommand(sesMessage);
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const sendPromise = this.ses.sesClient.send(command);
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sendPromise
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.then(data => {
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if (region === 'us-east-1') {
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region = 'email';
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}
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statObject.pending = true;
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callback(null, {
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envelope: {
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from: envelope.from,
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to: envelope.to
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},
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messageId: '<' + data.MessageId + (!/@/.test(data.MessageId) ? '@' + region + '.amazonses.com' : '') + '>',
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response: data.MessageId,
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raw
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});
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})
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.catch(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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statObject.pending = false;
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callback(err);
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});
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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 SES 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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const cb = err => {
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if (err && !['InvalidParameterValue', 'MessageRejected'].includes(err.code || err.Code || err.name)) {
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return callback(err);
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}
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return callback(null, true);
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};
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const sesMessage = {
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Content: {
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Raw: {
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Data: Buffer.from('From: <invalid@invalid>\r\nTo: <invalid@invalid>\r\n Subject: Invalid\r\n\r\nInvalid')
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}
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},
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FromEmailAddress: 'invalid@invalid',
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Destination: {
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ToAddresses: ['invalid@invalid']
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}
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};
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this.getRegion((err, region) => {
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if (err || !region) {
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region = 'us-east-1';
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}
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const command = new this.ses.SendEmailCommand(sesMessage);
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const sendPromise = this.ses.sesClient.send(command);
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sendPromise.then(data => cb(null, data)).catch(err => cb(err));
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});
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return promise;
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}
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}
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module.exports = SESTransport;
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