From 4c83c4a5da14c81bc74b8e9ce196e0c9017c89cc Mon Sep 17 00:00:00 2001
From: Sean Fridman <fridman@mail.sfsu.edu>
Date: Mon, 6 Apr 2015 13:14:41 -0400
Subject: Enforce trailing slashes

---
 app/node_modules/okserver/index.js | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'app/node_modules/okserver/index.js')

diff --git a/app/node_modules/okserver/index.js b/app/node_modules/okserver/index.js
index 230a53c..d665d65 100644
--- a/app/node_modules/okserver/index.js
+++ b/app/node_modules/okserver/index.js
@@ -1,5 +1,6 @@
 var specificity = require('route-order')();
 var express = require('express');
+var slash = require('express-slash');
 
 function OKServer(options) {
   if (!(this instanceof OKServer)) return new OKServer(options);
@@ -8,12 +9,33 @@ function OKServer(options) {
     throw new Error('No views provided to OKServer!');
   var views = options.views;
   var app = this._app = express();
+  app.enable('strict routing');
+  var router = express.Router({
+    strict: app.get('strict routing')
+  });
   // Add views
   Object.keys(views)
     .sort(specificity)
     .forEach(function(route) {
-      app.use(route, views[route].middleware());
+      // We want to enforce trailing slashes for middleware
+      routeNoSlash = route.charAt(route.length - 1) === '/' ?
+          route.slice(0, route.length - 1) : route;
+      router.all(routeNoSlash, redirect(routeNoSlash));
+      router.use(routeNoSlash + '/', views[route].middleware());
     });
+  app.use(router);
+  // This enforces trailing slashes for stuff that isn't middleware
+  app.use(slash());
+
+  /**
+   * Create a handler which redirect all requests to
+   * the same route with a trailing slash appended
+   */
+  function redirect(routeNoSlash) {
+    return function(req, res) {
+      res.redirect(301, routeNoSlash + '/');
+    }
+  }
 }
 
 OKServer.prototype.listen = function listen(port) {
-- 
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