Add allow query param to public pages.

README.md

@@ -102,6 +102,7 @@ Most of the configuration can be done on the `/settings` page but there are some
 |`database`|The database type to use. See **Database setup**|
 |`google_analytics`|Adds Google Analytics to public facing pages. Include the entire code from Google including the <script> tags.|
 |`style`|Add any Hex color codes, HTML color names and fonts to style the public pages of your KB.|
+|`allow_query_param`|Allow main page query params to be passed without going to the login page.|
 
 **Data sorting**
 You can control the sort order or articles. You can sort on anything but popular fields are `kb_viewcount`,  `kb_published_date`,  `kb_last_updated` or `kb_votes`

config/config.json

@@ -51,6 +51,7 @@
             "cssLinkColor": "",
             "cssTextColor": "",
             "cssFontFamily": ""
-        }
+        },
+        "allow_query_param": true
     }
 }

routes/common.js

@@ -157,6 +157,16 @@ exports.restrict = function (req, res, next){
         return;
     }
 
+    // if allowing query params and not protecting 
+    if(config.settings.allow_query_param === true ) {
+        if(url_path.substring(0, 2).trim() === '/?'){
+            if(config.settings.password_protect === false){
+                next();
+                return;
+            }
+        }    
+    }
+
     // if not a public page we
     exports.check_login(req, res, next);
 };