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Full Discussion: User authentication for some Perl CGI scripts
Top Forums Web Development User authentication for some Perl CGI scripts Post 302258284 by cbkihong on Friday 14th of November 2008 08:22:52 AM
Old 11-14-2008
Hey! Apache allows you to authenticate with an LDAP backend.

mod_authnz_ldap - Apache HTTP Server

And you don't need an explicit user specified at all. If you need to, "Require valid-user" will match any users defined in the configuration. Also check that page for information about this and some examples. It seems to me a rather flexible one that the module does not mandate a specific LDAP schema.

If you insist you need to do it the Perl way, or you think you can't live with this method, you'll be required to deploy your Web application on mod_perl instead of Perl CGI because someone at other sites said Apache would not pass the password to the CGI process. I haven't verified this claim so I can't confirm. Upon HTTP authentication, the username+password will always be available in the HTTP header (that's why it works for Apache), but Apache may filter some of them before making them available to the CGI process (as HTTP_* envvars). But it seems that Apache *will* pass the username, that your CGI process can use that retrieved via an envvar to implement your business logic.

Or you deploy it on your own perl-based Web server daemon without Apache. Of course, I don't think it is too practical although theoretically you can do that. It's just the same line of thought as you can write a new OS from scratch but no one will casually do that.
 

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LEARN ABOUT SUSE

template::plugin::cgi

Template::Plugin::CGI(3)				User Contributed Perl Documentation				  Template::Plugin::CGI(3)

NAME

       Template::Plugin::CGI - Interface to the CGI module

SYNOPSIS

	   [% USE CGI %]
	   [% CGI.param('parameter') %]

	   [% USE things = CGI %]
	   [% things.param('name') %]

	   # see CGI docs for other methods provided by the CGI object

DESCRIPTION

       This is a very simple Template Toolkit Plugin interface to the "CGI" module.  A "CGI" object will be instantiated via the following
       directive:

	   [% USE CGI %]

       "CGI" methods may then be called as follows:

	   [% CGI.header %]
	   [% CGI.param('parameter') %]

       An alias can be used to provide an alternate name by which the object should be identified.

	   [% USE mycgi = CGI %]
	   [% mycgi.start_form %]
	   [% mycgi.popup_menu({ Name	=> 'Color'
				 Values => [ 'Green' 'Black' 'Brown' ] }) %]

       Parenthesised parameters to the "USE" directive will be passed to the plugin constructor:

	   [% USE cgiprm = CGI('uid=abw&name=Andy+Wardley') %]
	   [% cgiprm.param('uid') %]

METHODS

       In addition to all the methods supported by the "CGI" module, this plugin defines the following.

   params()
       This method returns a reference to a hash of all the "CGI" parameters.  Any parameters that have multiple values will be returned as lists.

	   [% USE CGI('user=abw&item=foo&item=bar') %]
	   [% CGI.params.user %]	    # abw
	   [% CGI.params.item.join(', ') %] # foo, bar

AUTHOR

       Andy Wardley <abw@wardley.org> <http://wardley.org/>

COPYRIGHT

       Copyright (C) 1996-2007 Andy Wardley.  All Rights Reserved.

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

       Template::Plugin, CGI

perl v5.12.1							    2008-11-13						  Template::Plugin::CGI(3)
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