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"""Custom middlewares."""
from django.http import HttpResponseRedirect
from django.utils.deprecation import MiddlewareMixin
from django.utils.encoding import smart_text
from modoboa.lib import signals as lib_signals
from modoboa.lib.exceptions import ModoboaException
from modoboa.lib.web_utils import (
_render_error, ajax_response, render_to_json_response
)
class AjaxLoginRedirect(MiddlewareMixin):
def process_response(self, request, response):
if request.is_ajax():
if isinstance(response, HttpResponseRedirect):
response.status_code = 278
return response
class CommonExceptionCatcher(MiddlewareMixin):
"""Modoboa exceptions catcher."""
def process_exception(self, request, exception):
if not isinstance(exception, ModoboaException):
return None
if request.is_ajax() or "/api/" in request.path:
if exception.http_code is None:
return ajax_response(
request, status="ko", respmsg=smart_text(exception),
norefresh=True
)
return render_to_json_response(
smart_text(exception), status=exception.http_code
)
return _render_error(
request, user_context={"error": smart_text(exception)}
)
class RequestCatcherMiddleware(MiddlewareMixin):
"""Simple middleware to store the current request."""
def process_request(self, request):
lib_signals.set_current_request(request)
def process_response(self, request, response):
"""Empty store."""
lib_signals.set_current_request(None)
return response