haste-server/lib/document_handler.js
2011-11-18 16:50:23 -05:00

59 lines
1.9 KiB
JavaScript

var winston = require('winston');
// For handling serving stored documents
var DocumentHandler = function() {
};
// TODO implement with FS backend
DocumentHandler.documents = {};
// Handle retrieving a document
DocumentHandler.prototype.handleGet = function(key, response) {
if (DocumentHandler.documents[key]) {
winston.verbose('retrieved document', { key: key });
response.writeHead(200, { 'content-type': 'application/json' });
response.end(JSON.stringify({ data: DocumentHandler.documents[key], key: key }));
}
else {
winston.warn('document not found', { key: key });
response.writeHead(404, { 'content-type': 'application/json' });
response.end(JSON.stringify({ message: 'document not found' }));
}
};
// Handle adding a new Document
DocumentHandler.prototype.handlePost = function(request, response) {
var key = this.randomKey();
request.on('data', function(data) {
if (!DocumentHandler.documents[key]) {
response.writeHead(200, { 'content-type': 'application/json' });
DocumentHandler.documents[key] = '';
}
DocumentHandler.documents[key] += data.toString();
});
request.on('end', function(end) {
winston.verbose('added document', { key: key });
response.end(JSON.stringify({ key: key }));
});
request.on('error', function(error) {
winston.error('connection error: ' + error.message);
response.writeHead(500, { 'content-type': 'application/json' });
response.end(JSON.stringify({ message: 'connection error' }));
});
};
// Generate a random key
// TODO make length configurable
DocumentHandler.prototype.randomKey = function() {
var text = '';
var keyspace = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
for (var i = 0; i < 6; i++) {
text += keyspace.charAt(Math.floor(Math.random() * keyspace.length));
}
return text;
};
module.exports = DocumentHandler;