<?php
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  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 //
//  ------------------------------------------------------------------------ //
include_once './class/textsanitizer.php';

/**
* setting manager for XOOPS installer
*
* @author Haruki Setoyama  <haruki@planewave.org>
* @version $Id: settingmanager.php 694 2006-09-04 11:33:22Z skalpa $
* @access public
**/
class setting_manager {

    var $database;
    var $dbhost;
    var $dbuname;
    var $dbpass;
    var $dbname;
    var $prefix;
    var $db_pconnect;
    var $root_path;
    var $xoops_url;

    var $sanitizer;

    function setting_manager($post=false){

        $this->sanitizer =& TextSanitizer::getInstance();
        if($post){
            $this->readPost();
        }else{
            $this->database = 'mysql';
            $this->dbhost = 'localhost';
            
            $this->db_pconnect = 0;

            $this->root_path = str_replace("\\","/",getcwd()); // "
            $this->root_path = str_replace("/install", "", $this->root_path);

            $filepath = (! empty($_SERVER['REQUEST_URI']))
                            ? dirname($_SERVER['REQUEST_URI'])
                            : dirname($_SERVER['SCRIPT_NAME']);

            $filepath = str_replace("\\", "/", $filepath); // "
            $filepath = str_replace("/install", "", $filepath);
            if ( substr($filepath, 0, 1) == "/" ) {
                $filepath = substr($filepath,1);
            }
            if ( substr($filepath, -1) == "/" ) {
                $filepath = substr($filepath, 0, -1);
            }
            $protocol = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https://' : 'http://';
            $this->xoops_url = (!empty($filepath)) ? $protocol.$_SERVER['HTTP_HOST']."/".$filepath : $protocol.$_SERVER['HTTP_HOST'];
            
            $this->prefix = $this->generatePrefix();
        }
    }

    function readPost(){
        if(isset($_POST['database']))
            $this->database = $this->sanitizer->stripSlashesGPC($_POST['database']);
        if(isset($_POST['dbhost']))
            $this->dbhost = $this->sanitizer->stripSlashesGPC($_POST['dbhost']);
        if(isset($_POST['dbuname']))
            $this->dbuname = $this->sanitizer->stripSlashesGPC($_POST['dbuname']);
        if(isset($_POST['dbpass']))
            $this->dbpass = $this->sanitizer->stripSlashesGPC($_POST['dbpass']);
        if(isset($_POST['dbname']))
            $this->dbname = $this->sanitizer->stripSlashesGPC($_POST['dbname']);
        if(isset($_POST['prefix']))
            $this->prefix = $this->sanitizer->stripSlashesGPC($_POST['prefix']);
        if(isset($_POST['db_pconnect']))
            $this->db_pconnect = intval($_POST['db_pconnect']) > 0 ? 1 : 0;
        if(isset($_POST['root_path']))
            $this->root_path = $this->sanitizer->stripSlashesGPC($_POST['root_path']);
        if(isset($_POST['xoops_url']))
            $this->xoops_url = $this->sanitizer->stripSlashesGPC($_POST['xoops_url']);
    }

    function readConstant(){
        if(defined('XOOPS_DB_TYPE'))
            $this->database = XOOPS_DB_TYPE;
        if(defined('XOOPS_DB_HOST'))
            $this->dbhost = XOOPS_DB_HOST;
        if(defined('XOOPS_DB_USER'))
            $this->dbuname = XOOPS_DB_USER;
        if(defined('XOOPS_DB_PASS'))
            $this->dbpass = XOOPS_DB_PASS;
        if(defined('XOOPS_DB_NAME'))
            $this->dbname = XOOPS_DB_NAME;
        if(defined('XOOPS_DB_PREFIX'))
            $this->prefix = XOOPS_DB_PREFIX;
        if(defined('XOOPS_DB_PCONNECT'))
            $this->db_pconnect = intval(XOOPS_DB_PCONNECT) > 0 ? 1 : 0;
        if(defined('XOOPS_ROOT_PATH'))
            $this->root_path = XOOPS_ROOT_PATH;
        if(defined('XOOPS_URL'))
            $this->xoops_url = XOOPS_URL;
    }

    function checkData(){
        $ret = '';
        $error = array();

        if ( empty($this->dbhost) ) {
            $error[] = sprintf(_INSTALL_L57, _INSTALL_L27);
        }
        if ( empty($this->dbname) ) {
            $error[] = sprintf(_INSTALL_L57, _INSTALL_L29);
        }
        if ( empty($this->prefix) ) {
            $error[] = sprintf(_INSTALL_L57, _INSTALL_L30);
        }
        if ( empty($this->root_path) ) {
            $error[] = sprintf(_INSTALL_L57, _INSTALL_L55);
        }
        if ( empty($this->xoops_url) ) {
            $error[] = sprintf(_INSTALL_L57, _INSTALL_L56);
        }

        if (!empty($error)) {
            foreach ( $error as $err ) {
                $ret .=  "<p><span style='color:#ff0000;'><b>".$err."</b></span></p>\n";
            }
        }

        return $ret;
    }

    function editform(){
        $ret =
            "<table width='100%' class='outer' cellspacing='5'>
                <tr>
                    <th colspan='2'></th>
                </tr>
                <tr valign='top' align='left'>
                    <td class='head'>
                        <b>"._INSTALL_L51."</b><br />
                        <span style='font-size:85%;'>"._INSTALL_L66."</span>
                    </td>
                    <td class='even'>
                        <select  size='1' name='database' id='database'>";
        $dblist = $this->getDBList();
        foreach($dblist as $val){
            $ret .= "<option value='$val'";
            if($val == $this->database) $ret .= " selected='selected'";
            $ret .= "'>$val</option>";
        }
        $ret .=         "</select>
                    </td>
                </tr>
                ";
        $ret .= $this->editform_sub(_INSTALL_L27, _INSTALL_L67, 'dbhost', $this->sanitizer->htmlSpecialChars($this->dbhost));
        $ret .= $this->editform_sub(_INSTALL_L28, _INSTALL_L65, 'dbuname', $this->sanitizer->htmlSpecialChars($this->dbuname));
        $ret .= $this->editform_sub(_INSTALL_L52, _INSTALL_L68, 'dbpass', $this->sanitizer->htmlSpecialChars($this->dbpass));
        $ret .= $this->editform_sub(_INSTALL_L29, _INSTALL_L64, 'dbname', $this->sanitizer->htmlSpecialChars($this->dbname));
        $ret .= $this->editform_sub(_INSTALL_L30, _INSTALL_L63, 'prefix', $this->sanitizer->htmlSpecialChars($this->prefix));

        $ret .= "<tr valign='top' align='left'>
                    <td class='head'>
                        <b>"._INSTALL_L54."</b><br />
                        <span style='font-size:85%;'>"._INSTALL_L69."</span>
                    </td>
                    <td class='even'>
                        <input type='radio' name='db_pconnect' value='1'".($this->db_pconnect == 1 ? " checked='checked'" : "" )." />"._INSTALL_L23."
                        <input type='radio' name='db_pconnect' value='0'".($this->db_pconnect != 1 ? " checked='checked'" : "" )." />"._INSTALL_L24."
                    </td>
                </tr>
                ";

        $ret .= $this->editform_sub(_INSTALL_L55, _INSTALL_L59, 'root_path', $this->sanitizer->htmlSpecialChars($this->root_path));
        $ret .= $this->editform_sub(_INSTALL_L56, _INSTALL_L58, 'xoops_url', $this->sanitizer->htmlSpecialChars($this->xoops_url));

        $ret .= "</table>";
        return $ret;
    }

    function editform_sub($title, $desc, $name, $value) {
    	$inputType = 'text';
        return  "<tr valign='top' align='left'>
                    <td class='head'>
                        <b>".$title."</b><br />
                        <span style='font-size:85%;'>".$desc."</span>
                    </td>
                    <td class='even'>
                        <input type='$inputType' name='".$name."' id='".$name."' size='30' maxlength='100' value='".htmlspecialchars($value)."' />
                    </td>
                </tr>
                ";
    }

    function confirmForm(){
        $yesno = empty($this->db_pconnect) ? _INSTALL_L24 : _INSTALL_L23;
        $ret =
            "<table border='0' cellpadding='0' cellspacing='0' valign='top' width='90%'><tr><td class='bg2'>
                <table width='100%' border='0' cellpadding='4' cellspacing='1'>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L51."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->database)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L27."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->dbhost)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L28."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->dbuname)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L52."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->dbpass)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L29."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->dbname)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L30."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->prefix)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L54."</b></td>
                        <td class='bg1'>".$yesno."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L55."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->root_path)."</td>
                    </tr>
                    <tr>
                        <td class='bg3'><b>"._INSTALL_L56."</b></td>
                        <td class='bg1'>".$this->sanitizer->htmlSpecialChars($this->xoops_url)."</td>
                    </tr>
                </table></td></tr>
            </table>
            <input type='hidden' name='database' value='".$this->sanitizer->htmlSpecialChars($this->database)."' />
            <input type='hidden' name='dbhost' value='".$this->sanitizer->htmlSpecialChars($this->dbhost)."' />
            <input type='hidden' name='dbuname' value='".$this->sanitizer->htmlSpecialChars($this->dbuname)."' />
            <input type='hidden' name='dbpass' value='".$this->sanitizer->htmlSpecialChars($this->dbpass)."' />
            <input type='hidden' name='dbname' value='".$this->sanitizer->htmlSpecialChars($this->dbname)."' />
            <input type='hidden' name='prefix' value='".$this->sanitizer->htmlSpecialChars($this->prefix)."' />
            <input type='hidden' name='db_pconnect' value='".intval($this->db_pconnect)."' />
            <input type='hidden' name='root_path' value='".$this->sanitizer->htmlSpecialChars($this->root_path)."' />
            <input type='hidden' name='xoops_url' value='".$this->sanitizer->htmlSpecialChars($this->xoops_url)."' />
            ";
        return $ret;
    }


    function getDBList()
    {
        $dirname = '../class/database/drivers';
        include '../class/xoopslists.php';
        $list = XoopsLists::getDirListAsArray( $dirname );
 		foreach( $list as $item ){
 			// TODO: Add any verification of compatibility between the database drivers and the system.
 			$dirlist[] = $item;
 		}
        return $dirlist;
    }
    
    function generatePrefix() {
        include_once $this->root_path."/include/functions.php";
        return xoops_makepass(5);
    }
}
?>