From e02ed2ea8ebaeca4db9a04dc1c3d70d06d20f49f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= <chiiph@leap.se>
Date: Mon, 5 Aug 2013 11:28:36 -0300
Subject: Validate the username at login against a regexp

---
 src/leap/gui/login.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/leap/gui/login.py')

diff --git a/src/leap/gui/login.py b/src/leap/gui/login.py
index 3eb1fe39..3c994597 100644
--- a/src/leap/gui/login.py
+++ b/src/leap/gui/login.py
@@ -44,6 +44,8 @@ class LoginWidget(QtGui.QWidget):
 
     MAX_STATUS_WIDTH = 40
 
+    BARE_USERNAME_REGEX = r"^[A-Za-z\d_]+$"
+
     def __init__(self, settings, parent=None):
         """
         Constructs the LoginWidget.
@@ -77,6 +79,10 @@ class LoginWidget(QtGui.QWidget):
         self.ui.btnCreateAccount.clicked.connect(
             self.show_wizard)
 
+        username_re = QtCore.QRegExp(self.BARE_USERNAME_REGEX)
+        self.ui.lnUser.setValidator(
+            QtGui.QRegExpValidator(username_re, self))
+
     def _remember_state_changed(self, state):
         """
         Saves the remember state in the LeapSettings
@@ -146,7 +152,7 @@ class LoginWidget(QtGui.QWidget):
 
     def get_user(self):
         """
-        Returns the user that appears in the widget
+        Returns the user that appears in the widget.
 
         :rtype: str
         """
-- 
cgit v1.2.3