Fixed negative bit issue in WID generation

alt-cs-lab · Aug 26, 2024 · f95df6d · f95df6d
1 parent 454b589
commit f95df6d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/app.js b/src/app.js
@@ -75,6 +75,8 @@ app.get('/serviceValidate', (req, res) => {
       hash  = ((hash << 5) - hash) + username.charCodeAt(i);
       hash |= 0; // to 32bit integer
     }
+    // Hash may be negative, if so, set to positive
+    if(hash < 0) hash = -hash
     // WIDs are 9 digits, and start with an 8
     var wid = parseInt(hash.toString().slice(0,8), 10) + 800000000;
     res.send(