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Final implementation of a simple Dropbox file browser (with session support).
var sys = require('sys'),
http = require('http'),
OAuth = require('oauth').OAuth,
DropboxClient = require('dropbox').DropboxClient,
express = require('express'),
app = express.createServer();
// Initialize OAuth object.
var API_URI = 'http://api.dropbox.com/',
API_VERSION = '0',
consumer_key = 'your_consumer_key',
consumer_secret = 'your_consumer_secret',
oauth = new OAuth(
API_URI + API_VERSION + '/oauth/request_token',
API_URI + API_VERSION + '/oauth/access_token',
consumer_key, consumer_secret,
'1.0', null, 'HMAC-SHA1');
app.configure(function() {
app.use(express.logger());
app.use(express.bodyDecoder());
app.use(express.cookieDecoder());
app.use(express.session());
});
// CSS file request.
app.get('/*.css', function(req, res) {
res.render(req.params[0] + '.sass', { layout: false });
});
// Login page.
app.get('/', function(req, res) {
res.render('login.jade', {
locals: {
title: 'Dropbox File Browser'
}
});
});
// Dropbox credential processing.
app.post('/process_creds', function(req, res) {
// Get access token.
var client = http.createClient(80, 'www.dropbox.com'),
request = client.request('GET', API_URI + API_VERSION +
'/token?oauth_consumer_key=' + consumer_key +
'&email=' + req.body.email +
'&password=' + req.body.password,
{'host': 'www.api.dropbox.com'});
request.end();
// Upon response, extract access token/secret and redirect to file_browser.
request.on('response', function(token_res) {
token_res.setEncoding('utf8');
token_res.on('data', function(chunk) {
var token_res = JSON.parse(chunk),
access_token = token_res['token'],
access_token_secret = token_res['secret'];
req.session.dropbox = new DropboxClient(oauth, access_token,
access_token_secret);
res.redirect('/file_browser');
});
});
});
// File browser page.
app.get('/file_browser(/*)?', function(req, res) {
// Fetch target metadata and render the page.
if (req.session.dropbox) {
req.session.dropbox.getMetadata(req.params[1] || '',
function(err, metadata) {
if (err) console.log('Error: ' + sys.inspect(err));
else {
// NOTE: Use this to strip leading path(s): str.replace(/^.*\//g, '');
res.render('file_browser.jade', {
locals: {
title: 'Dropbox File Browser',
current_dir: (metadata.path.length > 0) ? metadata.path : 'root',
items: metadata.contents
}
});
}
});
} else res.redirect('home');
});
app.listen(3000);
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