Created
March 1, 2011 01:40
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Upgrade a regular `net.Stream` connection to a secure `tls` connection.
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| // 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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tls.js, where this code originates from, underwent some changes after this was posted.
pair._sslis nowpair.ssl.Unfortunately, tls.js is not documented.