July 4, 2021

Tips to Customized Middleware

By w0lfterg67

When building web applications, special middleware is often used. Examples include when using the web framework Django or the Ruby programming language whatismyreferer. Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. It lets users build high-performing, elegant Web applications quickly. Middleware used in Django is a framework of hooks into the request/response processing.

Each Django middleware component is responsible for doing some specific function. For example, Django includes a middleware component, Transaction Middleware, which wraps the processing of each HTTP request in a database transaction. Django has a variety of middleware components. They include:

Cache middleware: If these are enabled, each Django-powered page will be cached for as long as the CACHE_MIDDLEWARE_SECONDS setting defines.

GZip middleware: Compresses content for browsers that understand GZip compression, which is sued on all modern web browsers.

Local middleware: This customizes the content for each user by enabling language selection based on data from the request.

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Message middleware: Enables cookie- and session-based message support.

CSRF protection middleware: Adds protection against Cross Site Request Forgeries by adding hidden form fields to POST forms and checking requests for the correct value.
One of the other more popular customized middleware is used in Racks, which is part of the Ruby programming language. Ruby is a dynamic, open source programming language with a focus on simplicity and productivity.

Rack middleware is a way to filter a request and response coming into an application. According to application design firm Intridea, Rack middleware are used to implement a pipelined development process for web applications.