The Big Renaming - etherpad is now an NPM module

1 files changed, 29 insertions, 0 deletions

diff --git a/src/node/hooks/express/padurlsanitize.js b/src/node/hooks/express/padurlsanitize.js
new file mode 100644
index 00000000..4f5dd7a5
--- /dev/null
+++ b/src/node/hooks/express/padurlsanitize.js
@@ -0,0 +1,29 @@
+var padManager = require('../../db/PadManager');
+
+exports.expressCreateServer = function (hook_name, args, cb) {
+  //redirects browser to the pad's sanitized url if needed. otherwise, renders the html
+  args.app.param('pad', function (req, res, next, padId) {
+    //ensure the padname is valid and the url doesn't end with a /
+    if(!padManager.isValidPadId(padId) || /\/$/.test(req.url))
+    {
+      res.send('Such a padname is forbidden', 404);
+    }
+    else
+    {
+      padManager.sanitizePadId(padId, function(sanitizedPadId) {
+	//the pad id was sanitized, so we redirect to the sanitized version
+	if(sanitizedPadId != padId)
+	{
+	  var real_path = req.path.replace(/^\/p\/[^\/]+/, '/p/' + sanitizedPadId);
+	  res.header('Location', real_path);
+	  res.send('You should be redirected to <a href="' + real_path + '">' + real_path + '</a>', 302);
+	}
+	//the pad id was fine, so just render it
+	else
+	{
+	  next();
+	}
+      });
+    }
+  });
+}