vpn: fix key name regex

web/templates/vpn/index.html

@@ -40,7 +40,7 @@ Na vsaki napravi, ki jo želite povezati v omrežje FRI, ustvarite nov ključ. P
 
 <p>
 <label for="name">Ime naprave</label><br>
-<input id="name" name="name" pattern="[.-_A-Za-z0-9 ]*" maxlength="16" placeholder="A-Z a-z 0-9 . _ - " />
+<input id="name" name="name" pattern="[-._A-Za-z0-9 ]*" maxlength="16" placeholder="A-Z a-z 0-9 . _ - " />
 <button id="submit" type="submit">Ustvari ključ</button>
 <p>
 <input type="checkbox" id="add_default" name="add_default" />

web/vpn.py

@@ -63,7 +63,7 @@ def new():
         else:
             return flask.Response('no more available IP addresses', status=500, mimetype='text/plain')
         now = datetime.datetime.utcnow()
-        name = re.sub('[^\w ]', '', flask.request.json.get('name', ''))
+        name = re.sub('[^-._A-Za-z0-9]', '', flask.request.json.get('name', ''))
 
         keys[str(ip)] = {
             'key': pubkey,