Fixed link-handling for self-referential links in chat

src/utils/linkUtils.js

@@ -14,6 +14,9 @@ GNU Affero General Public License for more details.
 You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.*/
 
+//Config
+const config = require('../../config.json');
+
 //NPM Imports
 const validator = require('validator');//No express here, so regular validator it is!
 const {sanitizeUrl} = require("@braintree/sanitize-url");
@@ -32,6 +35,15 @@ module.exports.cache = new Map();
 module.exports.markLink = async function(dirtyLink){
     const link = sanitizeUrl(dirtyLink);
 
+    //If this link is referencing this web server
+    if(link.match(new RegExp(`^${config.protocol}://${config.domain}`)) != null){
+	//Lazily return it as a good link, since we know it'll at least return a good 404 page XP
+        return {
+            link,
+            type: "link"
+        }
+    }
+
     //Check link cache for the requested link
     const cachedLink = module.exports.cache.get(link);
 
@@ -105,4 +117,4 @@ module.exports.markLink = async function(dirtyLink){
 
     //return the link
     return linkObj;
-}
+}