<?php
// $Revision: 1.4.4.1.2.4 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2008 RIKEN, Japan All rights reserved.                //
//  http://xoonips.sourceforge.jp/                                           //
// ------------------------------------------------------------------------- //
//  This program is free software; you can redistribute it and/or modify     //
//  it under the terms of the GNU General Public License as published by     //
//  the Free Software Foundation; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
// ------------------------------------------------------------------------- //

//  Process of Harvest in OAI-PMH

$xoopsOption['pagetype'] = 'user';
include 'include/common.inc.php';
include_once 'include/lib.php';
include_once 'include/AL.php';
include_once 'include/item_limit_check.php';

// how to show output results
//  $mode='text' : plain text for external command
//  $mode='html' : html for web browser
$mode = 'text';

include_once 'class/base/oaipmh.class.php';

// if connection is guest access then basic authentication required
if ( !$xoopsUser ) {
    if (!isset($_SERVER['PHP_AUTH_USER'])) {
        // unauthorized error 
        header("WWW-Authenticate: Basic realm=\"XooNIps harvesting\"");
        header("HTTP/1.0 401 Unauthorized");
        echo "Unauthorized your access\n";
        exit;
    } else {
        // try to login as user
        $uname = $_SERVER['PHP_AUTH_USER'];
        $pass = $_SERVER['PHP_AUTH_PW'];
        $member_handler =& xoops_gethandler('member');
        $myts =& MyTextsanitizer::getInstance();
        $xoopsUser =& $member_handler->loginUser(addslashes($myts->stripSlashesGPC($uname)), $myts->stripSlashesGPC($pass));
        if( !$xoopsUser ){
            echo "Unauthorized your account";
            exit;
        }
        $uid = $xoopsUser -> getVar( 'uid' );
    }
    $mode='text';
}else{
    $uid = $_SESSION['xoopsUserId'];
    $mode='html';
}

// check user privileges. moderator or administrator can access this page.
$xmember_handler =& xoonips_gethandler( 'xoonips', 'member' );
$is_admin = $xmember_handler->isAdmin( $uid );
$is_moderator = $xmember_handler->isModerator( $uid );
if( ! $is_admin && ! $is_moderator ) {
  redirect_header( XOOPS_URL.'/index.php', 3, _MD_XOONIPS_MODERATOR_SHULD_BE_MODERATOR );
}

global $xoopsDB;

if( $mode == 'html' ){
    include XOOPS_ROOT_PATH.'/header.php';
    echo "<p>\n";
    echo "<h3>"._MD_XOONIPS_OAIPMH_HARVEST_RESULT."</h3>\n";
    echo "</p>\n";
    echo "<a href='admin/maintenance.php?page=oaipmh'>"._MD_XOONIPS_BACK_TO_OAIPMH_CONFIGURATION."</a><br />";
    echo "<p>\n";
}else if( $mode == 'text' )
    header( "Content-type: text/plain" );

$result = $xoopsDB -> query( "SELECT URL FROM ".$xoopsDB -> prefix( 'xoonips_oaipmh_repositories' )." WHERE enabled=1 AND deleted!=1 ORDER BY sort" );
set_time_limit( 0 );
while( list( $url ) = $xoopsDB -> fetchRow( $result ) ){
    echo "Trying\t$url";
    if( $mode == 'html' ) echo "<br />\n";
    else if( $mode == 'text' ) echo "\n";    
    $h = new OAIPMHHarvester( $url );
    if( !$h -> harvest() ){
        echo 'ERROR:'.$h -> last_error( );
    }else{
        echo "Succeed\t${url}";
    }
    if( $mode == 'html' ) echo "<br />\n";
    else if( $mode == 'text' ) echo "\n";    
}

if( $mode == 'html' ){
    echo "</p>\n";
    echo "<a href='admin/maintenance.php?page=oaipmh'>"._MD_XOONIPS_BACK_TO_OAIPMH_CONFIGURATION."</a><br />";
    include XOOPS_ROOT_PATH.'/footer.php';
}
?>
