Add a custom header on request in a Django middleware

Question

I want to implement a middleware in django, that will append a header on the request's existing headers, before the get_response(request) function.

Though, when trying like this:

request.headers['CUSTOM_HEADER'] = 'CUSTOM_VALUE'

I get an error: 'HttpHeaders' object does not support item assignment
Also in django's request (WSGIRequest), there is no add_headers function like the python's request module.
Any ideas on how this can be accomplished?

Heavierthanair

Depending on your use case, you could set an attribute on the request object itself, e.g. request.CUSTOM = 'CUSTOM_VALUE. This is what several Django middlewares do. – Nonparticipating

Answer 1

Create a simple middleware as below, and put the path in the MIDDLEWARE settings.

from django.utils.deprecation import MiddlewareMixin


class CustomHeaderMiddleware(MiddlewareMixin):
    def process_request(self, request):
        request.META['HTTP_CUSTOM_HEADER'] = "CUSTOM VALUE"

Thynne