make banned domains case insensitive

files/helpers/sanitize.py

@@ -364,7 +364,7 @@ def sanitize(sanitized, golden=True, limit_pings=0, showmore=True, count_marseys
 		if not href: continue
 		url = urlparse(href)
 		d = tldextract.extract(href).registered_domain + url.path
-		domain_list.add(d)
+		domain_list.add(d.lower())
 
 	banned_domains = g.db.query(BannedDomain).all()
 	for x in banned_domains:

files/routes/admin.py

@@ -1386,7 +1386,7 @@ def admin_banned_domains(v):
 @admin_level_required(PERMS['DOMAINS_BAN'])
 def ban_domain(v):
 
-	domain=request.values.get("domain", "").strip()
+	domain=request.values.get("domain", "").strip().lower()
 	if not domain: abort(400)
 
 	reason=request.values.get("reason").strip()

files/routes/posts.py

@@ -687,6 +687,7 @@ def submit_post(v, sub=None):
 			return redirect(repost.permalink)
 
 		y = tldextract.extract(url).registered_domain + parsed_url.path
+		y = y.lower()
 		banned_domains = g.db.query(BannedDomain).all()
 		for x in banned_domains:
 			if y.startswith(x.domain):