change password field type in fetch creation/edit and add validators.

CHANGELOG.md

@@ -111,6 +111,7 @@ v1.6.0 - unreleased
 - Bug: Fix rainloop permissions ([#637](https://github.com/Mailu/Mailu/issues/637))
 - Bug: Fix broken webmail and logo url in admin ([#792](https://github.com/Mailu/Mailu/issues/792))
 - Bug: Don't recursivly chown on mailboxes ([#776](https://github.com/Mailu/Mailu/issues/776))
+- Bug: Fetched accounts: Password field is of type "text" ([#789](https://github.com/issues/789))
 
 v1.5.1 - 2017-11-21
 -------------------

core/admin/mailu/ui/forms.py

@@ -165,11 +165,11 @@ class FetchForm(flask_wtf.FlaskForm):
     protocol = fields.SelectField(_('Protocol'), choices=[
         ('imap', 'IMAP'), ('pop3', 'POP3')
     ])
-    host = fields.StringField(_('Hostname or IP'))
-    port = fields.IntegerField(_('TCP port'))
+    host = fields.StringField(_('Hostname or IP'), [validators.DataRequired()])
+    port = fields.IntegerField(_('TCP port'), [validators.DataRequired(), validators.NumberRange(min=0, max=65535)])
     tls = fields.BooleanField(_('Enable TLS'))
-    username = fields.StringField(_('Username'))
-    password = fields.StringField(_('Password'))
+    username = fields.StringField(_('Username'), [validators.DataRequired()])
+    password = fields.PasswordField(_('Password'), [validators.DataRequired()])
     keep = fields.BooleanField(_('Keep emails on the server'))
     submit = fields.SubmitField(_('Submit'))