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don't process invalid requests

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This commit is contained in:
jomo 2014-10-19 21:04:47 +02:00
parent 3fe6be935b
commit dd9574c19b
1 changed files with 33 additions and 28 deletions
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19
routes/avatars.js
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@ -1,18 +1,19 @@
var express = require('express'); var express = require('express');
var router = express.Router(); var router = express.Router();
var skins = require('../skins'); var skins = require('../skins');
var fs = require('fs') var fs = require('fs');
var valid_uuid = /^[0-9a-f]{32}$/;
/* GET home page. */ /* GET home page. */
router.get('/:uuid/:size?', function(req, res) { router.get('/:uuid/:size?', function(req, res) {
//res.render('index', { title: 'Express' }); //res.render('index', { title: 'Express' });
//res.send("uuid is set to " + req.param("uuid")); //res.send("uuid is set to " + req.param("uuid"));
//console.log(req.param('size')) //console.log(req.param('size'))
var uuid = req.param('uuid') var uuid = req.param('uuid');
var size = req.param('size') var size = req.param('size') || 180;
if (size == null) { console.log(uuid);
size = 180; if (valid_uuid.test(uuid)) {
}
var filename = 'skins/' + uuid + ".png"; var filename = 'skins/' + uuid + ".png";
if (fs.existsSync(filename)) { if (fs.existsSync(filename)) {
skins.extract_face(filename, size, function() { skins.extract_face(filename, size, function() {
@ -33,10 +34,14 @@ router.get('/:uuid/:size?', function(req, res) {
}); });
} else { } else {
res.status(404) // HTTP status 404: NotFound res.status(404) // HTTP status 404: NotFound
.send('404 Not found') .send('404 Not found');
} }
}); });
} }
} else {
res.status(422) // "Unprocessable Entity", valid request, but semantically erroneous: https://tools.ietf.org/html/rfc4918#page-78
.send("422 Invlid UUID");
}
}); });
module.exports = router; module.exports = router;