86 lines
2.4 KiB
JavaScript
86 lines
2.4 KiB
JavaScript
'use strict';
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let log = require('npmlog');
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let config = require('config');
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let net = require('net');
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let campaigns = require('../lib/models/campaigns');
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let seenIds = new Set();
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let server = net.createServer(socket => {
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let remainder = '';
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let reading = false;
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let readNextChunk = () => {
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let chunk = socket.read();
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if (chunk === null) {
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reading = false;
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return;
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}
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reading = true;
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let lines = (remainder + chunk.toString()).split(/\r?\n/);
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remainder = lines.pop();
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let pos = 0;
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let checkNextLine = () => {
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if (pos >= lines.length) {
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return readNextChunk();
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}
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let line = lines[pos++];
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let match = /\bstatus=bounced\b/.test(line) && line.match(/\bpostfix\/\w+\[\d+\]:\s*([^:]+)/);
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if (match) {
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let queueId = match[1];
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if (seenIds.has(queueId)) {
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return checkNextLine();
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}
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seenIds.add(queueId);
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campaigns.findMailByResponse(queueId, (err, message) => {
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if (err || !message) {
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return checkNextLine();
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}
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campaigns.updateMessage(message, 'bounced', true, (err, updated) => {
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if (err) {
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log.error('POSTFIXBOUNCE', 'Failed updating message: %s', err && err.stack);
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} else if (updated) {
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log.verbose('POSTFIXBOUNCE', 'Marked message %s as bounced', queueId);
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}
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});
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return checkNextLine();
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});
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return;
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} else {
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return checkNextLine();
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}
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};
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checkNextLine();
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};
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socket.on('readable', () => {
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if (reading) {
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return false;
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}
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readNextChunk();
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});
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});
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server.on('error', err => {
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log.error('POSTFIXBOUNCE', err && err.stack);
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});
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module.exports = callback => {
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if (config.postfixbounce.enabled) {
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server.listen(config.postfixbounce.port, config.postfixbounce.host, () => {
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log.info('POSTFIXBOUNCE', 'Server listening on port %s', config.postfixbounce.port);
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setImmediate(callback);
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});
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} else {
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setImmediate(callback);
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}
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};
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