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lib/Catalyst/Plugin/Authentication/Credential/HTTP/Proxy.pm  view on Meta::CPAN

package Catalyst::Plugin::Authentication::Credential::HTTP::Proxy;
use base qw/Catalyst::Plugin::Authentication::Credential::Password/;

use strict;
use warnings;

use String::Escape ();
use URI::Escape    ();
use Catalyst       ();
use Catalyst::Plugin::Authentication::Credential::HTTP::User;
use Carp qw/croak/;

our $VERSION = "0.02";


sub authenticate_http_proxy {
    my $c = shift;

    my $headers = $c->req->headers;

    croak "url setting required for authentication" 
        unless $c->config->{authentication}{http_proxy}{url};
    if ( my ( $user, $password ) = $headers->authorization_basic ) {

        my $ua=Catalyst::Plugin::Authentication::Credential::HTTP::User->new;
        $ua->credentials($user,$password);
        my $resp= $ua->get($c->config->{authentication}{http_proxy}{url});
        if ( $resp->is_success ) {
            if ( my $store = $c->config->{authentication}{http_proxy}{store} ) {
                $user = $store->get_user($user);
            } elsif ( my $user_obj = $c->get_user($user) ) {
                $user = $user_obj;
            }
            unless ($user) {
                $c->log->debug("User '$user' doesn't exist in the default store")
                    if $c->debug;
                return;
            }
            $c->set_authenticated($user);
            return 1;
        } elsif ( $c->debug ) {
            $c->log->info('Remote authentication failed:'.$resp->message);
            return 0;
        }
    } elsif ( $c->debug ) {
        $c->log->info('No credentials provided for basic auth');
        return 0;
    }
}

sub authorization_required {
    my ( $c, %opts ) = @_;

    return 1 if $c->authenticate_http_proxy;

    $c->authorization_required_response( %opts );

    die $Catalyst::DETACH;
}

sub authorization_required_response {
    my ( $c, %opts ) = @_;
    
    $c->res->status(401);

    my @opts;

    if ( my $realm = $opts{realm} ) {
        push @opts, sprintf 'realm=%s', String::Escape::qprintable($realm);
    }

    if ( my $domain = $opts{domain} ) {
        Catalyst::Excpetion->throw("domain must be an array reference")
          unless ref($domain) && ref($domain) eq "ARRAY";

        my @uris =
          $c->config->{authentication}{http}{use_uri_for}
          ? ( map { $c->uri_for($_) } @$domain )
          : ( map { URI::Escape::uri_escape($_) } @$domain );

        push @opts, qq{domain="@uris"};
    }

    $c->res->headers->www_authenticate(join " ", "Basic", @opts);
}

__PACKAGE__;

__END__

=pod

=head1 NAME

Catalyst::Plugin::Authentication::Credential::HTTP - DEPRECATED HTTP Basic authentication
for Catlayst.

=head1 SYNOPSIS

    use Catalyst qw/
        Authentication
        Authentication::Store::Moose
        Authentication::Store::Elk
        Authentication::Credential::HTTP::Proxy
    /;