Showing content from https://gist.github.com/TooTallNate/848444 below:
Upgrade a regular `net.Stream` connection to a secure `tls` connection. ยท GitHub
// Target API: // // var s = require('net').createStream(25, 'smtp.example.com'); // s.on('connect', function() { // require('starttls')(s, options, function() { // if (!s.authorized) { // s.destroy(); // return; // } // // s.end("hello world\n"); // }); // }); // // module.exports = function starttls(socket, options, cb) { var sslcontext = require('crypto').createCredentials(options); var pair = require('tls').createSecurePair(sslcontext, false); var cleartext = pipe(pair, socket); pair.on('secure', function() { var verifyError = pair._ssl.verifyError(); if (verifyError) { cleartext.authorized = false; cleartext.authorizationError = verifyError; } else { cleartext.authorized = true; } if (cb) cb(); }); cleartext._controlReleased = true; return cleartext; }; function pipe(pair, socket) { pair.encrypted.pipe(socket); socket.pipe(pair.encrypted); pair.fd = socket.fd; var cleartext = pair.cleartext; cleartext.socket = socket; cleartext.encrypted = pair.encrypted; cleartext.authorized = false; function onerror(e) { if (cleartext._controlReleased) { cleartext.emit('error', e); } } function onclose() { socket.removeListener('error', onerror); socket.removeListener('close', onclose); } socket.on('error', onerror); socket.on('close', onclose); return cleartext; }
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