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worker.js
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worker.js
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'use strict';
const config = require('wild-config');
const log = require('npmlog');
const smtp = require('./smtp');
const db = require('./lib/db');
// Initialize database connection
db.connect(err => {
if (err) {
log.error('Db', 'Failed to setup database connection');
return process.exit(1);
}
// Start SMTP server
smtp(err => {
if (err) {
log.error('App', 'Failed to start SMTP server. %s', err.message);
return process.exit(1);
}
log.info('App', 'All servers started, ready to process some mail');
// downgrade user and group if needed
if (config.group) {
try {
process.setgid(config.group);
log.info(
'App',
'Changed group to "%s" (%s)',
config.group,
process.getgid()
);
} catch (E) {
log.error(
'App',
'Failed to change group to "%s" (%s)',
config.group,
E.message
);
return process.exit(1);
}
}
if (config.user) {
try {
process.setuid(config.user);
log.info(
'App',
'Changed user to "%s" (%s)',
config.user,
process.getuid()
);
} catch (E) {
log.error(
'App',
'Failed to change user to "%s" (%s)',
config.user,
E.message
);
return process.exit(1);
}
}
});
});