Also set login_failed in case of form errors
[mediagoblin.git] / mediagoblin / auth / forms.py
index 334035442876d952b1bab944b6558cba60cbf96f..7cae951aa02a82170ce0b098645f96aa5abc028b 100644 (file)
@@ -1,5 +1,5 @@
-# GNU Mediagoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 Free Software Foundation, Inc
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import wtforms
+import re
+
+from mediagoblin.tools.mail import normalize_email
+from mediagoblin.tools.translate import fake_ugettext_passthrough as _
+
+def normalize_user_or_email_field(allow_email=True, allow_user=True):
+    """Check if we were passed a field that matches a username and/or email pattern
+
+    This is useful for fields that can take either a username or email
+    address. Use the parameters if you want to only allow a username for
+    instance"""
+    message = _(u'Invalid User name or email address.')
+    nomail_msg = _(u"This field does not take email addresses.")
+    nouser_msg = _(u"This field requires an email address.")
+
+    def _normalize_field(form, field):
+        email = u'@' in field.data
+        if email: # normalize email address casing
+            if not allow_email:
+                raise wtforms.ValidationError(nomail_msg)
+            wtforms.validators.Email()(form, field)
+            field.data = normalize_email(field.data)
+        else: # lower case user names
+            if not allow_user:
+                raise wtforms.ValidationError(nouser_msg)
+            wtforms.validators.Length(min=3, max=30)(form, field)
+            wtforms.validators.Regexp(r'^\w+$')(form, field)
+            field.data = field.data.lower()
+        if field.data is None: # should not happen, but be cautious anyway
+            raise wtforms.ValidationError(message)
+    return _normalize_field
 
 
 class RegistrationForm(wtforms.Form):
     username = wtforms.TextField(
-        'Username',
+        _('Username'),
         [wtforms.validators.Required(),
-         wtforms.validators.Length(min=3, max=30),
-         wtforms.validators.Regexp(r'^\w+$')])
+         normalize_user_or_email_field(allow_email=False)])
     password = wtforms.PasswordField(
-        'Password',
+        _('Password'),
         [wtforms.validators.Required(),
-         wtforms.validators.Length(min=6, max=30),
-         wtforms.validators.EqualTo('confirm_password')])
-    confirm_password = wtforms.PasswordField(
-        'Confirm password',
-        [wtforms.validators.Required()])
+         wtforms.validators.Length(min=5, max=1024)])
     email = wtforms.TextField(
-        'Email address',
+        _('Email address'),
         [wtforms.validators.Required(),
-         wtforms.validators.Email()])
+         normalize_user_or_email_field(allow_user=False)])
 
 
 class LoginForm(wtforms.Form):
     username = wtforms.TextField(
-        'Username',
+        _('Username'),
+        [wtforms.validators.Required(),
+         normalize_user_or_email_field(allow_email=False)])
+    password = wtforms.PasswordField(
+        _('Password'),
+        [wtforms.validators.Required(),
+         wtforms.validators.Length(min=5, max=1024)])
+
+
+class ForgotPassForm(wtforms.Form):
+    username = wtforms.TextField(
+        _('Username or email'),
         [wtforms.validators.Required(),
-         wtforms.validators.Regexp(r'^\w+$')])
+         normalize_user_or_email_field()])
+
+
+class ChangePassForm(wtforms.Form):
     password = wtforms.PasswordField(
         'Password',
+        [wtforms.validators.Required(),
+         wtforms.validators.Length(min=5, max=1024)])
+    userid = wtforms.HiddenField(
+        '',
+        [wtforms.validators.Required()])
+    token = wtforms.HiddenField(
+        '',
         [wtforms.validators.Required()])