Created
November 10, 2012 15:36
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Postmark inbound app in Node.js
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// Required modules. | |
var cradle = require('cradle'); | |
var util = require('util'); | |
var http = require('http'); | |
// Config. | |
var config = require('./config'); | |
// Variable to hold chunked data from Postmark. | |
var mailRaw = ''; | |
// Create a new HTTP server to accept Postmark POSTs. | |
http.createServer(function(req, res) { | |
req.on('data', function(chunk) { | |
mailRaw += chunk; | |
}); | |
req.on('end', function() { | |
// Get the JSON payload from Postmark. | |
var mailJSON = JSON.parse(mailRaw); | |
// Transform attachments (fairly cheesy, but seems to work). | |
if(mailJSON.Attachments.length) { | |
var couchAttachments = '{'; | |
for(var i=0; i<mailJSON.Attachments.length; i++) { | |
couchAttachments += '"' + mailJSON.Attachments[i].Name + '": {'; | |
couchAttachments += '"content_type":"' + mailJSON.Attachments[i].ContentType + '",'; | |
couchAttachments += '"data":"' + mailJSON.Attachments[i].Content + '"'; | |
couchAttachments += '},'; | |
} | |
couchAttachments = couchAttachments.substring(0, (couchAttachments.length)-1); | |
couchAttachments += '}'; | |
var _attachments = JSON.parse(couchAttachments); | |
// Replace old attachments property with new Couchified attachments. | |
mailJSON._attachments = _attachments; | |
delete mailJSON.Attachments; | |
} | |
// Connect to CouchDB instance. | |
var db = new (cradle.Connection)(config.couchHost, config.couchPort, { | |
auth : { | |
username : config.couchUserName, | |
password : config.couchPassword | |
} | |
}).database(config.couchDatabase); | |
// Insert new document. | |
db.save(mailJSON.MessageID, mailJSON, function (err, res) { | |
if(err) { | |
util.puts('Error! Could not save mailRaw. ' + err.reason); | |
} | |
else { | |
util.puts('Saved document with id: ' + res.id); | |
} | |
}); | |
// Reset our holder variable. | |
mailRaw = ''; | |
// Send an empty response. | |
res.end(); | |
}); | |
}).listen(config.serverPort); |
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module.exports = { | |
serverPort: 8000, | |
couchHost: '127.0.0.1', | |
couchPort: 5984, | |
couchUserName: '', | |
couchPassword: '', | |
couchDatabase: 'couchmail' | |
}; |
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