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Add protection against directory traversal attacks

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April King 2018-12-10 12:59:04 -06:00
parent 1cb7cc9bf4
commit 64cb8c6b98
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GPG Key ID: 1524708D623646A5
1 changed files with 5 additions and 1 deletions
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test/webserver.js
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@ -80,7 +80,11 @@ WebServer.prototype = {
_handler: function (req, res) {
var url = req.url.replace(/\/\//g, '/');
var urlParts = /([^?]*)((?:\?(.*))?)/.exec(url);
var pathPart = decodeURI(urlParts[1]), queryPart = urlParts[3];
// guard against directory traversal attacks,
// e.g. /../../../../../../../etc/passwd
// which let you make GET requests for files outside of this.root
var pathPart = path.normalize(decodeURI(urlParts[1]));
var queryPart = urlParts[3];
var verbose = this.verbose;
var methodHooks = this.hooks[req.method];