App::Session::Cookie

A session whose state is maintained across HTML requests by being embedded in an HTTP cookie.
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  • Rating:
  • License:
  • Perl Artistic License
  • Price:
  • FREE
  • Publisher Name:
  • Stephen Adkins
  • Publisher web site:
  • http://search.cpan.org/~spadkins/

App::Session::Cookie Tags


App::Session::Cookie Description

A session whose state is maintained across HTML requests by being embedded in an HTTP cookie. App::Session::Cookie - a session whose state is maintained across HTML requests by being embedded in an HTTP cookie.SYNOPSIS # ... official way to get a Session object ... use App; $session = App->session(); $session = $session->session(); # get the session # any of the following named parameters may be specified $session = $session->session( ); # ... alternative way (used internally) ... use App::Session::Cookie; $session = App::Session->new();A Session class models the sequence of events associated with a use of the system. These events may occur in different processes. Yet the accumulated state of the session needs to be propagated from one process to the next.This Session::Cookie maintains its state across HTML requests by being embedded in an HTTP cookie. As a result, it requires no server-side storage, so the sessions never need to time out.The Session::Cookie has an advantage over Session::HTMLHidden in that data does not need to be posted to a URL for the session data to be transmitted to it. This allows that the state can be propagated properly to sub-components of an HTML page such as* frame documents within a frameset (< frame src=... >)* dynamically generated images (< img src=... >, < input type=image src=... >)Limits on cookie storage are as follows, according to "Dynamic HTML, The Definitive Reference" by O'Reilly in the DOM Reference under "document.cookie".* max 2000 chars per cookie (recommended, although 4000 supposedly allowed)* max 20 cookies per domainThis allows for roughly 40K of session storage. It is quite conceivable that this amount of storage could be overrun, so Session::Cookie is only appropriate in situations where you are confident it will not be. Also, session_objects should take care to clean up after themselves, and static values stored in the session can alternatively be provided in the config. Requirements: · Perl


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