104 lines
2.1 KiB
Perl
104 lines
2.1 KiB
Perl
package WebGUI::Session::Env;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2008 Plain Black Corporation.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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=head1 NAME
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Package WebGUI::Session::Env
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=head1 DESCRIPTION
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This package allows you to reference environment variables.
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=head1 SYNOPSIS
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$env = WebGUI::Session::Env->new;
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$value = $env->get('REMOTE_ADDR');
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=head1 METHODS
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These methods are available from this package:
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=cut
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#-------------------------------------------------------------------
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=head2 DESTROY ( )
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Deconstructor.
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=cut
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sub DESTROY {
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my $self = shift;
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undef $self;
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}
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#-------------------------------------------------------------------
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=head2 get( varName )
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Retrieves the current value of an environment variable.
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=head3 varName
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The name of the variable.
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=cut
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sub get {
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my $self = shift;
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my $var = shift;
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return $self->{_env}{$var};
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}
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#-------------------------------------------------------------------
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=head2 getIp ( )
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Returns the user's real IP address. Normally this is REMOTE_ADDR, but if they go through a proxy server it might be in HTTP_X_FORWARDED_FOR. This method attempts to figure out what the most likely IP is for the user. Note that it's possible to spoof this and therefore shouldn't be used as your only security mechanism for validating a user.
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=cut
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sub getIp {
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my $self = shift;
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if ($self->get("HTTP_X_FORWARDED_FOR") =~ m/(\d+\.\d+\.\d+\.\d+)/) {
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return $1;
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}
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return $self->get("REMOTE_ADDR");
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}
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#-------------------------------------------------------------------
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=head2 new ( )
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Constructor. Returns an env object.
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=cut
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sub new {
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my $class = shift;
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bless {_env=>\%ENV}, $class;
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}
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1;
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