## @file
# UserDB OpenID module

## @class
# UserDB OpenID module
package Lemonldap::NG::Portal::UserDBOpenID;

use strict;
use Lemonldap::NG::Portal::Simple;
use Lemonldap::NG::Common::Regexp;

our $VERSION = '1.0.0';

## @apmethod int userDBInit()
# Check if authentication module is OpenID
# @return Lemonldap::NG::Portal error code
sub userDBInit {
    my $self = shift;

    unless ( $self->get_module('auth') =~ /^OpenID/ ) {
        $self->lmLog(
'UserDBOpenID isn\'t useable unless authentication module is set to OpenID',
            'error'
        );
        return PE_ERROR;
    }
    PE_OK;
}

## @apmethod int getUser()
# Does nothing
# @return Lemonldap::NG::Portal error code
sub getUser {
    PE_OK;
}

## @apmethod int setSessionInfo()
# Check if there are some exportedVars in OpenID response.
# See http://openid.net/specs/openid-simple-registration-extension-1_0.html
# for more
# @return Lemonldap::NG::Portal error code
sub setSessionInfo {
    my $self = shift;
    if ( ref( $self->{exportedVars} ) eq 'HASH' ) {
        while ( my ( $k, $v ) = each %{ $self->{exportedVars} } ) {
            my $attr = $k;
            my $required = ( $attr =~ s/^!// );
            if ( $v =~ Lemonldap::NG::Common::Regexp::OPENIDSREGATTR() ) {
                $self->{sessionInfo}->{$attr} = $self->param("openid.sreg.$v");
            }
            else {
                $self->lmLog(
                    'Ignoring attribute ' 
                      . $v
                      . ' which is not a valid OpenID SREG attribute',
                    'warn'
                );
            }

            if ( $required and not defined( $self->{sessionInfo}->{$attr} ) ) {
                $self->lmLog(
"Required parameter $attr is not provided by OpenID server, aborted",
                    'warn'
                );

                $self->{mustRedirect} = 0;
                return PE_MISSINGREQATTR;
            }
        }
    }
    else {
        $self->abort('Only hash reference are supported now in exportedVars');
    }
    PE_OK;
}

## @apmethod int setGroups()
# Does nothing
# @return Lemonldap::NG::Portal error code
sub setGroups {
    PE_OK;
}

1;