From 01a6861453aef78c8969dead361eeb7efb2c30c5 Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Wed, 2 Jan 2019 15:12:48 +0100
Subject: [PATCH] Always query emails case-insensitively

---
 src/pretix/base/forms/auth.py         | 2 +-
 src/pretix/base/forms/user.py         | 2 +-
 src/pretix/base/models/waitinglist.py | 2 +-
 src/pretix/control/forms/users.py     | 2 +-
 src/pretix/control/views/auth.py      | 2 +-
 src/pretix/control/views/organizer.py | 4 ++--
 src/pretix/presale/views/user.py      | 2 +-
 7 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/pretix/base/forms/auth.py b/src/pretix/base/forms/auth.py
index 41dc4a308c..fb952fe1fb 100644
--- a/src/pretix/base/forms/auth.py
+++ b/src/pretix/base/forms/auth.py
@@ -120,7 +120,7 @@ class RegistrationForm(forms.Form):
 
     def clean_email(self):
         email = self.cleaned_data['email']
-        if User.objects.filter(email=email).exists():
+        if User.objects.filter(email__iexact=email).exists():
             raise forms.ValidationError(
                 self.error_messages['duplicate_email'],
                 code='duplicate_email'
diff --git a/src/pretix/base/forms/user.py b/src/pretix/base/forms/user.py
index f7d00dc70a..1fbb00d88e 100644
--- a/src/pretix/base/forms/user.py
+++ b/src/pretix/base/forms/user.py
@@ -69,7 +69,7 @@ class UserSettingsForm(forms.ModelForm):
 
     def clean_email(self):
         email = self.cleaned_data['email']
-        if User.objects.filter(Q(email=email) & ~Q(pk=self.instance.pk)).exists():
+        if User.objects.filter(Q(email__iexact=email) & ~Q(pk=self.instance.pk)).exists():
             raise forms.ValidationError(
                 self.error_messages['duplicate_identifier'],
                 code='duplicate_identifier',
diff --git a/src/pretix/base/models/waitinglist.py b/src/pretix/base/models/waitinglist.py
index c2b49883a3..bf283e55b2 100644
--- a/src/pretix/base/models/waitinglist.py
+++ b/src/pretix/base/models/waitinglist.py
@@ -159,7 +159,7 @@ class WaitingListEntry(LoggedModel):
     @staticmethod
     def clean_duplicate(email, item, variation, subevent, pk):
         if WaitingListEntry.objects.filter(
-                item=item, variation=variation, email=email, voucher__isnull=True, subevent=subevent
+                item=item, variation=variation, email__iexact=email, voucher__isnull=True, subevent=subevent
         ).exclude(pk=pk).exists():
             raise ValidationError(_('You are already on this waiting list! We will notify '
                                     'you as soon as we have a ticket available for you.'))
diff --git a/src/pretix/control/forms/users.py b/src/pretix/control/forms/users.py
index 8282e917e2..84273e2fec 100644
--- a/src/pretix/control/forms/users.py
+++ b/src/pretix/control/forms/users.py
@@ -57,7 +57,7 @@ class UserEditForm(forms.ModelForm):
 
     def clean_email(self):
         email = self.cleaned_data['email']
-        if User.objects.filter(Q(email=email) & ~Q(pk=self.instance.pk)).exists():
+        if User.objects.filter(Q(email__iexact=email) & ~Q(pk=self.instance.pk)).exists():
             raise forms.ValidationError(
                 self.error_messages['duplicate_identifier'],
                 code='duplicate_identifier',
diff --git a/src/pretix/control/views/auth.py b/src/pretix/control/views/auth.py
index 2dbd2c78dd..1d18c3cd49 100644
--- a/src/pretix/control/views/auth.py
+++ b/src/pretix/control/views/auth.py
@@ -199,7 +199,7 @@ class Forgot(TemplateView):
             has_redis = settings.HAS_REDIS
 
             try:
-                user = User.objects.get(email=email)
+                user = User.objects.get(email__iexact=email)
 
                 if has_redis:
                     from django_redis import get_redis_connection
diff --git a/src/pretix/control/views/organizer.py b/src/pretix/control/views/organizer.py
index 9e956753ee..79d8bdb98c 100644
--- a/src/pretix/control/views/organizer.py
+++ b/src/pretix/control/views/organizer.py
@@ -575,9 +575,9 @@ class TeamMemberView(OrganizerDetailViewMixin, OrganizerPermissionRequiredMixin,
         elif "user" in self.request.POST and self.add_form.is_valid() and self.add_form.has_changed():
 
             try:
-                user = User.objects.get(email=self.add_form.cleaned_data['user'])
+                user = User.objects.get(email__iexact=self.add_form.cleaned_data['user'])
             except User.DoesNotExist:
-                if self.object.invites.filter(email=self.add_form.cleaned_data['user']).exists():
+                if self.object.invites.filter(email__iexact=self.add_form.cleaned_data['user']).exists():
                     messages.error(self.request, _('This user already has been invited for this team.'))
                     return self.get(request, *args, **kwargs)
 
diff --git a/src/pretix/presale/views/user.py b/src/pretix/presale/views/user.py
index dd19e36040..b21b044c1c 100644
--- a/src/pretix/presale/views/user.py
+++ b/src/pretix/presale/views/user.py
@@ -36,7 +36,7 @@ class ResendLinkView(EventViewMixin, TemplateView):
             else:
                 rc.setex('pretix_resend_{}'.format(user), 3600 * 24, '1')
 
-        orders = self.request.event.orders.filter(email=user)
+        orders = self.request.event.orders.filter(email__iexact=user)
         order_context = []
 
         for order in orders: