<?php
/* Copyright (C) 2004      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004      Benoit Mortier       <benoit.mortier@opensides.be>
 * Copyright (C) 2004      Sebastien DiCintio   <sdicintio@ressource-toi.org>
 * Copyright (C) 2007-2012 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2012      Marcos García        <marcosgdf@gmail.com>
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

/**
 * 	\file       htdocs/install/inc.php
 * 	\ingroup	core
 *	\brief      File that define environment for support pages
 */

// Just to define version DOL_VERSION
if (! defined('DOL_INC_FOR_VERSION_ERROR')) define('DOL_INC_FOR_VERSION_ERROR','1');
require_once '../filefunc.inc.php';


// Define DOL_DOCUMENT_ROOT and ADODB_PATH used for install/upgrade process
if (! defined('DOL_DOCUMENT_ROOT'))	    define('DOL_DOCUMENT_ROOT', '..');
if (! defined('ADODB_PATH'))
{
    $foundpath=DOL_DOCUMENT_ROOT .'/includes/adodbtime/';
    if (! is_dir($foundpath)) $foundpath='/usr/share/php/adodb/';
    define('ADODB_PATH', $foundpath);
}

require_once DOL_DOCUMENT_ROOT.'/core/class/translate.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
require_once ADODB_PATH.'adodb-time.inc.php';

// Avoid warnings with strict mode E_STRICT
$conf = new stdClass(); // instantiate $conf explicitely
$conf->global	= new stdClass();
$conf->file		= new stdClass();
$conf->db		= new stdClass();
$conf->syslog	= new stdClass();

// Force $_REQUEST["logtohtml"]
$_REQUEST["logtohtml"]=1;

// Correction PHP_SELF (ex pour apache via caudium) car PHP_SELF doit valoir URL relative
// et non path absolu.
if (isset($_SERVER["DOCUMENT_URI"]) && $_SERVER["DOCUMENT_URI"])
{
    $_SERVER["PHP_SELF"]=$_SERVER["DOCUMENT_URI"];
}


$includeconferror='';


// Define vars
$conffiletoshowshort = "conf.php";
// Define localization of conf file
$conffile = "../conf/conf.php";
$conffiletoshow = "htdocs/conf/conf.php";
// For debian/redhat like systems
//$conffile = "/etc/dolibarr/conf.php";
//$conffiletoshow = "/etc/dolibarr/conf.php";


if (! defined('DONOTLOADCONF') && file_exists($conffile))
{
    $result=include_once $conffile;	// Load conf file
    if ($result)
    {
		if (empty($dolibarr_main_db_type)) $dolibarr_main_db_type='mysqli';	// For backward compatibility

		// Clean parameters
    	$dolibarr_main_data_root        =isset($dolibarr_main_data_root)?trim($dolibarr_main_data_root):'';
    	$dolibarr_main_url_root         =isset($dolibarr_main_url_root)?trim($dolibarr_main_url_root):'';
    	$dolibarr_main_url_root_alt     =isset($dolibarr_main_url_root_alt)?trim($dolibarr_main_url_root_alt):'';
    	$dolibarr_main_document_root    =isset($dolibarr_main_document_root)?trim($dolibarr_main_document_root):'';
    	$dolibarr_main_document_root_alt=isset($dolibarr_main_document_root_alt)?trim($dolibarr_main_document_root_alt):'';

        // Remove last / or \ on directories or url value
        if (! empty($dolibarr_main_document_root)		&& ! preg_match('/^[\\/]+$/',$dolibarr_main_document_root))		$dolibarr_main_document_root=preg_replace('/[\\/]+$/','',$dolibarr_main_document_root);
        if (! empty($dolibarr_main_url_root)			&& ! preg_match('/^[\\/]+$/',$dolibarr_main_url_root))			$dolibarr_main_url_root=preg_replace('/[\\/]+$/','',$dolibarr_main_url_root);
        if (! empty($dolibarr_main_data_root)			&& ! preg_match('/^[\\/]+$/',$dolibarr_main_data_root))			$dolibarr_main_data_root=preg_replace('/[\\/]+$/','',$dolibarr_main_data_root);
        if (! empty($dolibarr_main_document_root_alt)	&& ! preg_match('/^[\\/]+$/',$dolibarr_main_document_root_alt))	$dolibarr_main_document_root_alt=preg_replace('/[\\/]+$/','',$dolibarr_main_document_root_alt);
        if (! empty($dolibarr_main_url_root_alt)		&& ! preg_match('/^[\\/]+$/',$dolibarr_main_url_root_alt))		$dolibarr_main_url_root_alt=preg_replace('/[\\/]+$/','',$dolibarr_main_url_root_alt);

        // Create conf object
        if (! empty($dolibarr_main_document_root))
        {
            $result=conf($dolibarr_main_document_root);
        }
        // Load database driver
        if ($result)
        {
            if (! empty($dolibarr_main_document_root) && ! empty($dolibarr_main_db_type))
            {
                $result=include_once $dolibarr_main_document_root . "/core/db/".$dolibarr_main_db_type.'.class.php';
                if (! $result)
                {
                    $includeconferror='ErrorBadValueForDolibarrMainDBType';
                }
            }
        }
        else
        {
            $includeconferror='ErrorBadValueForDolibarrMainDocumentRoot';
        }
    }
    else
    {
        $includeconferror='ErrorBadFormatForConfFile';
    }
}
$conf->global->MAIN_LOGTOHTML = 1;

// Define prefix
if (! isset($dolibarr_main_db_prefix) || ! $dolibarr_main_db_prefix) $dolibarr_main_db_prefix='llx_';
define('MAIN_DB_PREFIX',(isset($dolibarr_main_db_prefix)?$dolibarr_main_db_prefix:''));

define('DOL_CLASS_PATH', 'class/');                             // Filsystem path to class dir
define('DOL_DATA_ROOT',(isset($dolibarr_main_data_root)?$dolibarr_main_data_root:''));
define('DOL_MAIN_URL_ROOT', (isset($dolibarr_main_url_root)?$dolibarr_main_url_root:''));           // URL relative root
$uri=preg_replace('/^http(s?):\/\//i','',constant('DOL_MAIN_URL_ROOT'));  // $uri contains url without http*
$suburi = strstr($uri, '/');       // $suburi contains url without domain
if ($suburi == '/') $suburi = '';   // If $suburi is /, it is now ''
define('DOL_URL_ROOT', $suburi);    // URL relative root ('', '/dolibarr', ...)


if (empty($conf->file->character_set_client))      	$conf->file->character_set_client="UTF-8";
if (empty($conf->db->character_set))  				$conf->db->character_set='utf8';
if (empty($conf->db->dolibarr_main_db_collation))  	$conf->db->dolibarr_main_db_collation='utf8_general_ci';
if (empty($conf->db->dolibarr_main_db_encryption)) 	$conf->db->dolibarr_main_db_encryption=0;
if (empty($conf->db->dolibarr_main_db_cryptkey))   	$conf->db->dolibarr_main_db_cryptkey='';
if (empty($conf->db->user)) $conf->db->user='';

// Define array of document root directories
$conf->file->dol_document_root=array(DOL_DOCUMENT_ROOT);
if (! empty($dolibarr_main_document_root_alt))
{
    // dolibarr_main_document_root_alt contains several directories
    $values=preg_split('/[;,]/',$dolibarr_main_document_root_alt);
    foreach($values as $value)
    {
        $conf->file->dol_document_root[]=$value;
    }
}


// Security check
if (preg_match('/install.lock/i',$_SERVER["SCRIPT_FILENAME"]))
{
    print 'Install pages have been disabled for security reason (directory renamed with .lock suffix).';
    if (! empty($dolibarr_main_url_root))
    {
        print 'Click on following link. ';
        print '<a href="'.$dolibarr_main_url_root .'/admin/index.php?mainmenu=home&leftmenu=setup'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
        print 'Click here to go to Dolibarr';
        print '</a>';
    }
    exit;
}
$lockfile=DOL_DATA_ROOT.'/install.lock';
if (constant('DOL_DATA_ROOT') && file_exists($lockfile))
{
    print 'Install pages have been disabled for security reason (by lock file install.lock into dolibarr root directory).<br>';
    if (! empty($dolibarr_main_url_root))
    {
        print 'Click on following link. ';
        print 'If you always reach this page, you must remove install.lock file manually.<br>';
        print '<a href="'.$dolibarr_main_url_root .'/admin/index.php?mainmenu=home&leftmenu=setup'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
        print 'Click here to go to Dolibarr';
        print '</a>';
    }
    else
    {
        print 'If you always reach this page, you must remove install.lock file manually.<br>';
    }
    exit;
}


// Force usage of log file for install and upgrades
$conf->syslog->enabled=1;
$conf->global->SYSLOG_LEVEL=constant('LOG_DEBUG');
if (! defined('SYSLOG_HANDLERS')) define('SYSLOG_HANDLERS','["mod_syslog_file"]');
if (! defined('SYSLOG_FILE'))	// To avoid warning on systems with constant already defined
{
	if (@is_writable('/tmp')) define('SYSLOG_FILE','/tmp/dolibarr_install.log');
	else if (! empty($_ENV["TMP"])  && @is_writable($_ENV["TMP"]))  define('SYSLOG_FILE',$_ENV["TMP"].'/dolibarr_install.log');
	else if (! empty($_ENV["TEMP"]) && @is_writable($_ENV["TEMP"])) define('SYSLOG_FILE',$_ENV["TEMP"].'/dolibarr_install.log');
	else if (@is_writable('../../../../') && @file_exists('../../../../startdoliwamp.bat')) define('SYSLOG_FILE','../../../../dolibarr_install.log');	// For DoliWamp
	else if (@is_writable('../../')) define('SYSLOG_FILE','../../dolibarr_install.log');				// For others
	//print 'SYSLOG_FILE='.SYSLOG_FILE;exit;
}
if (! defined('SYSLOG_FILE_NO_ERROR')) define('SYSLOG_FILE_NO_ERROR',1);
// We init log handler for install
$handlers = array('mod_syslog_file');
foreach ($handlers as $handler)
{
	$file = DOL_DOCUMENT_ROOT.'/core/modules/syslog/'.$handler.'.php';
	if (!file_exists($file))
	{
		throw new Exception('Missing log handler file '.$handler.'.php');
	}

	require_once $file;
	$loghandlerinstance = new $handler();
	if (!$loghandlerinstance instanceof LogHandlerInterface)
	{
		throw new Exception('Log handler does not extend LogHandlerInterface');
	}

	if (empty($conf->loghandlers[$handler])) $conf->loghandlers[$handler]=$loghandlerinstance;
}

// Removed magic_quotes
if (function_exists('get_magic_quotes_gpc'))	// magic_quotes_* removed in PHP 5.4
{
    if (get_magic_quotes_gpc())
    {
        // Forcing parameter setting magic_quotes_gpc and cleaning parameters
        // (Otherwise he would have for each position, condition
        // Reading stripslashes variable according to state get_magic_quotes_gpc).
        // Off mode (recommended, you just do $db->escape when an insert / update.
        function stripslashes_deep($value)
        {
            return (is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value));
        }
        $_GET     = array_map('stripslashes_deep', $_GET);
        $_POST    = array_map('stripslashes_deep', $_POST);
        $_COOKIE  = array_map('stripslashes_deep', $_COOKIE);
        $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
        @set_magic_quotes_runtime(0);
    }
}

// Defini objet langs
$langs = new Translate('..',$conf);
if (GETPOST('lang')) $langs->setDefaultLang(GETPOST('lang'));
else $langs->setDefaultLang('auto');

$bc[false]=' class="bg1"';
$bc[true]=' class="bg2"';


/**
 * Load conf file (file must exists)
 *
 * @param	string		$dolibarr_main_document_root		Root directory of Dolibarr bin files
 * @return	int												<0 if KO, >0 if OK
 */
function conf($dolibarr_main_document_root)
{
    global $conf;
    global $dolibarr_main_db_type;
    global $dolibarr_main_db_host;
    global $dolibarr_main_db_port;
    global $dolibarr_main_db_name;
    global $dolibarr_main_db_user;
    global $dolibarr_main_db_pass;
    global $character_set_client;

    $return=include_once $dolibarr_main_document_root.'/core/class/conf.class.php';
    if (! $return) return -1;

    $conf=new Conf();
    $conf->db->type = trim($dolibarr_main_db_type);
    $conf->db->host = trim($dolibarr_main_db_host);
    $conf->db->port = trim($dolibarr_main_db_port);
    $conf->db->name = trim($dolibarr_main_db_name);
    $conf->db->user = trim($dolibarr_main_db_user);
    $conf->db->pass = trim($dolibarr_main_db_pass);

    if (empty($character_set_client)) $character_set_client="UTF-8";
    $conf->file->character_set_client=strtoupper($character_set_client);
    if (empty($dolibarr_main_db_character_set)) $dolibarr_main_db_character_set=($conf->db->type=='mysql'?'latin1':'');		// Old installation
    $conf->db->character_set=$dolibarr_main_db_character_set;
    if (empty($dolibarr_main_db_collation)) $dolibarr_main_db_collation=($conf->db->type=='mysql'?'latin1_swedish_ci':'');  // Old installation
    $conf->db->dolibarr_main_db_collation=$dolibarr_main_db_collation;
    if (empty($dolibarr_main_db_encryption)) $dolibarr_main_db_encryption=0;
    $conf->db->dolibarr_main_db_encryption = $dolibarr_main_db_encryption;
    if (empty($dolibarr_main_db_cryptkey)) $dolibarr_main_db_cryptkey='';
    $conf->db->dolibarr_main_db_cryptkey = $dolibarr_main_db_cryptkey;

    // Force usage of log file for install and upgrades
    $conf->syslog->enabled=1;
    $conf->global->SYSLOG_LEVEL=constant('LOG_DEBUG');
    if (! defined('SYSLOG_HANDLERS')) define('SYSLOG_HANDLERS','["mod_syslog_file"]');
    if (! defined('SYSLOG_FILE'))	// To avoid warning on systems with constant already defined
    {
        if (@is_writable('/tmp')) define('SYSLOG_FILE','/tmp/dolibarr_install.log');
        else if (! empty($_ENV["TMP"])  && @is_writable($_ENV["TMP"]))  define('SYSLOG_FILE',$_ENV["TMP"].'/dolibarr_install.log');
        else if (! empty($_ENV["TEMP"]) && @is_writable($_ENV["TEMP"])) define('SYSLOG_FILE',$_ENV["TEMP"].'/dolibarr_install.log');
        else if (@is_writable('../../../../') && @file_exists('../../../../startdoliwamp.bat')) define('SYSLOG_FILE','../../../../dolibarr_install.log');	// For DoliWamp
        else if (@is_writable('../../')) define('SYSLOG_FILE','../../dolibarr_install.log');				// For others
        //print 'SYSLOG_FILE='.SYSLOG_FILE;exit;
    }
    if (! defined('SYSLOG_FILE_NO_ERROR')) define('SYSLOG_FILE_NO_ERROR',1);
    // We init log handler for install
    $handlers = array('mod_syslog_file');
    foreach ($handlers as $handler)
    {
    	$file = DOL_DOCUMENT_ROOT.'/core/modules/syslog/'.$handler.'.php';
    	if (!file_exists($file))
    	{
    		throw new Exception('Missing log handler file '.$handler.'.php');
    	}

    	require_once $file;
    	$loghandlerinstance = new $handler();
    	if (!$loghandlerinstance instanceof LogHandlerInterface)
    	{
    		throw new Exception('Log handler does not extend LogHandlerInterface');
    	}

		if (empty($conf->loghandlers[$handler])) $conf->loghandlers[$handler]=$loghandlerinstance;
    }

    return 1;
}


/**
 * Show HTML header of install pages
 *
 * @param	string		$subtitle			Title
 * @param 	string		$next				Next
 * @param 	string		$action    			Action code ('set' or 'upgrade')
 * @param 	string		$param				Param
 * @param	string		$forcejqueryurl		Set jquery relative URL (must end with / if defined)
 * @return	void
 */
function pHeader($subtitle,$next,$action='set',$param='',$forcejqueryurl='')
{
    global $conf;
    global $langs;
    $langs->load("main");
    $langs->load("admin");

    $jquerytheme='smoothness';

    if ($forcejqueryurl)
    {
        $jQueryCustomPath = $forcejqueryurl;
        $jQueryUiCustomPath = $forcejqueryurl;
    }
    else
    {
        $jQueryCustomPath = (defined('JS_JQUERY') && constant('JS_JQUERY')) ? JS_JQUERY : false;
        $jQueryUiCustomPath = (defined('JS_JQUERY_UI') && constant('JS_JQUERY_UI')) ? JS_JQUERY_UI : false;
    }

    // We force the content charset
    header("Content-type: text/html; charset=".$conf->file->character_set_client);

    print '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">'."\n";
    print '<html>'."\n";
    print '<head>'."\n";
    print '<meta http-equiv="content-type" content="text/html; charset='.$conf->file->character_set_client.'">'."\n";
    print '<link rel="stylesheet" type="text/css" href="default.css">'."\n";

    print '<!-- Includes CSS for JQuery -->'."\n";
    if ($jQueryUiCustomPath) print '<link rel="stylesheet" type="text/css" href="'.$jQueryUiCustomPath.'css/'.$jquerytheme.'/jquery-ui.min.css" />'."\n";  // JQuery
    else print '<link rel="stylesheet" type="text/css" href="../includes/jquery/css/'.$jquerytheme.'/jquery-ui.custom.css" />'."\n";    // JQuery

    print '<!-- Includes JS for JQuery -->'."\n";
    if ($jQueryCustomPath) print '<script type="text/javascript" src="'.$jQueryCustomPath.'jquery.min.js"></script>'."\n";
    else print '<script type="text/javascript" src="../includes/jquery/js/jquery.min.js"></script>'."\n";
    if ($jQueryUiCustomPath) print '<script type="text/javascript" src="'.$jQueryUiCustomPath.'jquery-ui.min.js"></script>'."\n";
    else print '<script type="text/javascript" src="../includes/jquery/js/jquery-ui.custom.min.js"></script>'."\n";

    print '<title>'.$langs->trans("DolibarrSetup").'</title>'."\n";
    print '</head>'."\n";

    print '<body>'."\n";

    print '<div style="text-align:center">';
    print '<img src="../theme/dolibarr_logo.png" alt="Dolibarr logo"><br>';
    print DOL_VERSION;
    print '</div><br><br>';

    print '<span class="titre">'.$langs->trans("DolibarrSetup");
    if ($subtitle) {
        print ' - '.$subtitle;
    }
    print '</span>'."\n";

    print '<form name="forminstall" action="'.$next.'.php'.($param?'?'.$param:'').'" method="POST">'."\n";
    print '<input type="hidden" name="testpost" value="ok">'."\n";
    print '<input type="hidden" name="action" value="'.$action.'">'."\n";

    print '<table class="main" width="100%"><tr><td>'."\n";

    print '<table class="main-inside" width="100%"><tr><td>'."\n";
}

/**
 * Print HTML footer of install pages
 *
 * @param 	integer	$nonext				No button "Next step"
 * @param	string	$setuplang			Language code
 * @param	string	$jscheckfunction	Add a javascript check function
 * @param	integer	$withpleasewait		Add also please wait tags
 * @return	void
 */
function pFooter($nonext=0,$setuplang='',$jscheckfunction='', $withpleasewait=0)
{
    global $conf,$langs;

    $langs->load("main");
    $langs->load("other");
    $langs->load("admin");

    print '</td></tr></table>'."\n";
    print '</td></tr></table>'."\n";

    if (! $nonext)
    {
        print '<div class="nextbutton" id="nextbutton"><input type="submit" value="'.$langs->trans("NextStep").' ->"';
        if ($jscheckfunction) print ' onClick="return '.$jscheckfunction.'();"';
        print '></div>';
        if ($withpleasewait) print '<div style="visibility: hidden;" class="pleasewait" id="pleasewait"><br>'.$langs->trans("NextStepMightLastALongTime").'<br><br><div class="blinkwait">'.$langs->trans("PleaseBePatient").'</div></div>';
    }
    if ($setuplang)
    {
        print '<input type="hidden" name="selectlang" value="'.$setuplang.'">';
    }

    print '</form>'."\n";

    // If there is some logs in buffer to show
    if (isset($conf->logbuffer) && count($conf->logbuffer))
    {
        print "\n";
        print "<!-- Start of log output\n";
        //print '<div class="hidden">'."\n";
        foreach($conf->logbuffer as $logline)
        {
            print $logline."<br>\n";
        }
        //print '</div>'."\n";
        print "End of log output -->\n";
        print "\n";
    }

    print '</body>'."\n";
    print '</html>'."\n";
}

/**
 * Log function for install pages
 *
 * @param	string	$message	Message
 * @param 	int		$level		Level of log
 * @return	void
 */
function dolibarr_install_syslog($message, $level=LOG_DEBUG)
{
    if (! defined('LOG_DEBUG')) define('LOG_DEBUG',6);
    dol_syslog($message,$level);
}