fix(members/templatetags): escape all non-ascii characters in esc_all

jdav_web/members/models.py

@@ -14,7 +14,7 @@ from django.utils.html import format_html
 from django.urls import reverse
 from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
 from django.contrib.contenttypes.models import ContentType
-from utils import RestrictedFileField
+from utils import RestrictedFileField, normalize_name
 import os
 from mailer.mailutils import send as send_mail, get_mail_confirmation_link,\
     prepend_base_url, get_registration_link, get_wait_confirmation_link,\
@@ -2012,8 +2012,3 @@ def import_from_csv_waitinglist(path):
 
     for row in rows:
         transform_row(row)
-
-
-def normalize_name(raw):
-    noumlaut = raw.replace('ö', 'oe').replace('ä', 'ae').replace('ü', 'ue').replace(' ', '_')
-    return unicodedata.normalize('NFKD', noumlaut).encode('ascii', 'ignore').decode('ascii')

jdav_web/members/templatetags/tex_extras.py

@@ -1,5 +1,6 @@
 from django import template
 from django.utils.safestring import mark_safe
+from utils import normalize_name
 
 register = template.Library()
 
@@ -12,7 +13,7 @@ def checked_if_true(name, value):
 
 @register.filter
 def esc_all(val):
-    return mark_safe(str(val).replace('_', '\\_').replace('&', '\\&'))
+    return mark_safe(str(normalize_name(val, False)).replace('_', '\\_').replace('&', '\\&'))
 
 
 @register.filter

jdav_web/utils.py

@@ -2,6 +2,7 @@ from django.db import models
 from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 from decimal import Decimal, ROUND_HALF_DOWN
+import unicodedata
 
 
 def file_size_validator(max_upload_size):
@@ -60,3 +61,11 @@ def get_member(request):
         return None
     else:
         return request.user.member
+
+
+def normalize_name(raw, nospaces=True):
+    if nospaces:
+        noumlaut = raw.replace('ö', 'oe').replace('ä', 'ae').replace('ü', 'ue').replace(' ', '_')
+    else:
+        noumlaut = raw.replace('ö', 'oe').replace('ä', 'ae').replace('ü', 'ue')
+    return unicodedata.normalize('NFKD', noumlaut).encode('ascii', 'ignore').decode('ascii')