Added username field for argon2copyparty only

app.py

@@ -40,6 +40,7 @@ def gensalt():
 @app.route('/hash', methods=['POST'])
 def do_hash():
     data = request.get_json() or {}
+    username = data.get('username', '')
     password = data.get('password', '')
     salt = data.get('salt', '')
     algorithm = data.get('algorithm', 'sha512')
@@ -52,6 +53,8 @@ def do_hash():
         abort(400, f'Password must be at least {MIN_LEN} characters')
 
     if algorithm == 'argon2_copyparty':
+        if (username == '' or username == None):
+            abort(400, 'Please type your username.')
 
         specified_salt = 'LVZ1TJMdAIdLyBla6nWDexFt'
         b_pass = password.encode('utf-8')
@@ -69,7 +72,7 @@ def do_hash():
         )
 
         hash_only = raw_hash_copyparty.split(b"$")[-1].decode('utf-8')
-        final_hash = "+" + hash_only.replace('/', "_").replace('+', '-')
+        final_hash = username + ":+" + hash_only.replace('/', "_").replace('+', '-')
 
         return jsonify({'hash': final_hash})