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var http = require('http'),
router = require('choreographer').router(),
qs = require('querystring'),
uuid = require(__dirname + '/uuid'),
hl = require(__dirname + '/highlight'),
kyoto = require('kyoto');
var db = new kyoto.open(__dirname + '/../db/pastes.kch', 'a+', kyotoOpen);
function generateId(callback) {
var id = uuid.generate(14);
db.get(id, function(err, value) {
if (value) {
generateId();
}
else {
callback(id);
}
});
}
function getPaste(plain, req, res, paste) {
db.get(paste, function(err, value) {
if (err) {
res.writeHead(404, {'Content-Type': 'text/plain'});
res.end('404: ' + req.url + ' not found:\n' + err + '\n');
}
else {
var data = JSON.parse(value);
if (plain) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write(data.content);
}
else {
res.writeHead(200, {'Content-Type': 'text/html'});
res.write(hl.highlight(data.content, data.language));
}
res.end('\n');
}
});
}
router
.get('/plain/*', function(req, res, paste) {
getPaste(true, req, res, paste);
})
.get('/get/*', function(req, res, paste) {
getPaste(false, req, res, paste);
})
.get('/', function(req, res) {
})
.post('/add', function(req, res) {
var content = '';
req.on('data', function(chunk) {
content += chunk;
});
req.on('end', function() {
var post = qs.parse(content);
generateId(function(id) {
var data = {
content: post.content,
language: post.language,
time: Date()
};
db.set(id, JSON.stringify(data), function(err) {
if (err) {
res.writeHead(500, {'Content-Type': 'text/plain'});
res.write(err);
res.end('\n');
}
else {
console.log('new paste: %s', id);
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write(id);
res.end('\n');
}
});
});
});
})
.notFound(function(req, res) {
res.writeHead(404, {'Content-Type': 'text/plain'});
res.end('404: ' + req.url + ' not found.\n');
});
function kyotoOpen(err) {
if (err) throw err;
http.createServer(router).listen(8080);
console.log('Listening on port 8080...');
}
process.on('uncaughtException', function(exeption) {
process.exit(1);
});
process.on('exit', function() {
db.close(function(err) { console.log(err); });
});
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