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Perlbal-Plugin-ExpandSSL-0.02
River stage zero No dependents
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/ Perlbal::Plugin::ExpandSSL

NAME

Perlbal::Plugin::ExpandSSL - Add a custom header according to the SSL of a service

VERSION

Version 0.02

SYNOPSIS

This plugin adds a custom header according to information it reads off the SSL certificate of a service you've configured.

Since Perlbal speaks plain HTTP to backends (while being able to serve HTTPS to clients), the backend does not know whether the client tried to reach HTTPS or HTTP.

This plugin reads the certificate Perlbal is configured to serve the user, and adds an according header to the backend so it knows.

In your Perlbal configuration:

    LOAD ExpandSSL

    CREATE SERVICE https_balancer
      SET role          = reverse_proxy
      SET pool          = machines
      SET plugins       = ExpandSSL
      SET enable_ssl    = on
      SET ssl_key_file  = /etc/perlbal/certs/mydomain.key
      SET ssl_cert_file = /etc/perlbal/certs/mydomain.crt
      SET plugins       = ExpandSSL

SUBROUTINES/METHODS

register

Register a service hook to run a callback to build a registry of headers for each request.

build_registry

The is the function being called to create the registry. It starts by decoding the cert file and then building the registry using a hardcoded headers hash.

Don't like it? Patches are welcome! :)

serialize_pem

Takes a PEM-formatted certification file (the type you give Perlbal or your regular webserver to serve to the client) and returns only the Base 64 portion of it.

Basicaly it removed the header and footer in a clean manner.

expand_ssl

Sets the special headers from the registry. This uses the start_proxy_request hook.

unregister

Clears up the registry.

load

Nothing.

unload

Nothing.

AUTHOR

Sawyer X, <xsawyerx at cpan.org>

BUGS

This plugin is on Github and you can file issues on:

http://github.com/xsawyerx/perlbal-plugin-expandssl/issues

SUPPORT

This module sports 100% test coverage, but in case you have more issues...

You can find documentation for this module with the perldoc command.

    perldoc Perlbal::Plugin::ExpandSSL

You can also look for information at:

LICENSE AND COPYRIGHT

Copyright 2010 Sawyer X.

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.