Source code for utils.exception_filter

"""Provides an exception filter for django"""
import logging

from django.views.debug import SafeExceptionReporterFilter, CLEANSED_SUBSTITUTE


__LOGGER = logging.getLogger(__name__)



[docs]class ThaliaSafeExceptionReporterFilter(SafeExceptionReporterFilter):
    """
    Filter additional variables from tracebacks

    https://docs.djangoproject.com/en/2.0/howto/error-reporting/#filtering-sensitive-information
    """


[docs]    def get_traceback_frame_variables(self, request, tb_frame):
        """Filter traceback frame variables"""
        local_vars = super().get_traceback_frame_variables(request, tb_frame)

        if self.is_active(request):
            for name, val in local_vars:
                if name == "request":
                    try:
                        val.COOKIES = {"cookies have been cleaned": True}
                        val.META["HTTP_COOKIE"] = CLEANSED_SUBSTITUTE
                        val.META["HTTP_AUTHORIZATION"] = CLEANSED_SUBSTITUTE
                    except (AttributeError, IndexError):
                        __LOGGER.exception("Somehow cleaning the request failed")

        return local_vars