Add specific error handler for 403

app/main/views.py

@@ -18,6 +18,11 @@ bp = Blueprint('main', __name__)
 
 
 # Declare custom error handlers for all views
+@bp.app_errorhandler(403)
+def forbidden_error(error):
+    return render_template('403.html'), 403
+
+
 @bp.app_errorhandler(404)
 def not_found_error(error):
     return render_template('404.html'), 404

app/templates/403.html

+{%- extends "base.html" %}
+
+{% block title %}Forbidden - CSEntry{% endblock %}
+
+{% block main %}
+  <h1>Forbidden</h1>
+  <p>You don't have the permission to access the requested resource</p>
+{%- endblock %}