Request object in Rails 2.3.18

During the execution of an action in Rails we can access to all the parameter of the request via de request object. This object includes the following useful methods:

• headers — Returns a hash containing the headers associated with the request.
• body — Returns an StingIO with the body.
• host — The hostname used for this request.
• domain — The hostname without the first part (usually “www”).
• format — The content type requested by the client.
• method — The HTTP method used for the request.
• get?, post?, put?, delete?, head? — Returns true if the HTTP method is get/post/put/delete/head.
• port — The port number (integer) used for the request.
• protocol — The protocol used for the request.
• query_string — The query string part of the URL — everything after “?”.
• remote_ip — The IP address of the client.
• url — The entire URL used for the request.

I found pretty useful the headers method to get headers like this:

request.headers['CONTENT_TYPE']

Also you can the raw body like follows:

request.body.read