Created
October 31, 2011 01:53
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>WebSocket test</title> | |
| </head> | |
| <body> | |
| <script src="http://localhost:8080/socket.io/socket.io.js"></script> | |
| <script> | |
| var server = 'smtp.example.com', | |
| port = 587, | |
| username = '[email protected]', | |
| password = 'password', | |
| from = '[email protected]', | |
| to = '[email protected]', | |
| message = [ | |
| 'From: ' + from, | |
| 'To: ' + to, | |
| 'Subject: Test Email Sent from JS', | |
| '', | |
| 'This is a test message sent from JS in a browser using a WebSocket. W00t!' | |
| ].join('\n'); | |
| var socket = io.connect('http://localhost:8080/'); | |
| socket.on('connect', function () { | |
| // Connect to the smtp server | |
| socket.emit('tcp', server, port) | |
| socket.on('connected', function() { | |
| console.log('Connected!'); | |
| }); | |
| // Send the email | |
| var state = 0; | |
| socket.on('line', function(data) { | |
| console.log(data); | |
| switch (state++) { | |
| case 0: | |
| socket.emit('write', 'HELO example.com'); | |
| break; | |
| case 1: | |
| socket.emit('write', 'AUTH LOGIN'); | |
| break; | |
| case 2: | |
| socket.emit('write', btoa(username)); | |
| break; | |
| case 3: | |
| socket.emit('write', btoa(password)); | |
| break; | |
| case 4: | |
| socket.emit('write', 'MAIL FROM: ' + from); | |
| break; | |
| case 5: | |
| socket.emit('write', 'RCPT TO: ' + to); | |
| break; | |
| case 6: | |
| socket.emit('write', 'DATA'); | |
| break; | |
| case 7: | |
| socket.emit('write', message + '\r\n.'); | |
| break; | |
| case 8: | |
| socket.emit('write', 'QUIT'); | |
| break; | |
| case 9: | |
| socket.emit('end'); | |
| break; | |
| } | |
| }); | |
| socket.on('error', function(err) { | |
| console.log(err); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| var io = require('socket.io').listen(8080), | |
| net = require('net'), | |
| carrier = require('carrier'), | |
| CRLF = '\r\n'; | |
| io.sockets.on('connection', function(socket) { | |
| socket.on('tcp', function(host, port) { | |
| var sock = net.createConnection(port, host); | |
| sock.on('connect', function(err) { | |
| if (err) | |
| return socket.emit('error', err); | |
| socket.emit('connected'); | |
| carrier.carry(sock, function(line) { | |
| socket.emit('line', line); | |
| }); | |
| socket.on('write', function(data) { | |
| if (!sock) | |
| return socket.emit('error', 'No socket'); | |
| sock.write(data + CRLF); | |
| }); | |
| socket.on('end', function() { | |
| sock.end(); | |
| }); | |
| }); | |
| }); | |
| }); |
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