<?php
/* For licensing terms, see /license.txt */

/**
 * Chamilo installation
 *
 * As seen from the user, the installation proceeds in 6 steps.
 * The user is presented with several webpages where he/she has to make choices
 * and/or fill in data.
 *
 * The aim is, as always, to have good default settings and suggestions.
 *
 * @todo reduce high level of duplication in this code
 * @todo (busy) organise code into functions
 * @package chamilo.install
 */

use ChamiloSession as Session;

require_once __DIR__.'/../../vendor/autoload.php';

define('SYSTEM_INSTALLATION', 1);
define('INSTALL_TYPE_UPDATE', 'update');
define('FORM_FIELD_DISPLAY_LENGTH', 40);
define('DATABASE_FORM_FIELD_DISPLAY_LENGTH', 25);
define('MAX_FORM_FIELD_LENGTH', 80);

// Including necessary libraries.
require_once '../inc/lib/api.lib.php';

api_check_php_version('../inc/');

/* INITIALIZATION SECTION */

ob_implicit_flush(true);
session_start();
require_once api_get_path(LIBRARY_PATH).'database.constants.inc.php';
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once 'install.lib.php';

// The function api_get_setting() might be called within the installation scripts.
// We need to provide some limited support for it through initialization of the
// global array-type variable $_setting.
$_setting = array(
    'platform_charset' => 'UTF-8',
    'server_type' => 'production', // 'production' | 'test'
    'permissions_for_new_directories' => '0770',
    'permissions_for_new_files' => '0660',
    'stylesheets' => 'chamilo'
);

// Determination of the language during the installation procedure.
if (!empty($_POST['language_list'])) {
    $search = array('../', '\\0');
    $install_language = str_replace($search, '', urldecode($_POST['language_list']));
    Session::write('install_language', $install_language);
} elseif (isset($_SESSION['install_language']) && $_SESSION['install_language']) {
    $install_language = $_SESSION['install_language'];
} else {
    // Trying to switch to the browser's language, it is covenient for most of the cases.
    $install_language = detect_browser_language();
}

// Language validation.
if (!array_key_exists($install_language, get_language_folder_list())) {
    $install_language = 'english';
}

// Loading language files.
require api_get_path(SYS_LANG_PATH).'english/trad4all.inc.php';
if ($install_language != 'english') {
    include_once api_get_path(SYS_LANG_PATH).$install_language.'/trad4all.inc.php';
}

// These global variables must be set for proper working of the function get_lang(...) during the installation.
$language_interface = $install_language;
$language_interface_initial_value = $install_language;

// Character set during the installation, it is always to be 'UTF-8'.
$charset = 'UTF-8';

// Enables the portablity layer and configures PHP for UTF-8
\Patchwork\Utf8\Bootup::initAll();

// Page encoding initialization.
header('Content-Type: text/html; charset='. $charset);

// Setting the error reporting levels.
error_reporting(E_ALL);

// Overriding the timelimit (for large campusses that have to be migrated).
@set_time_limit(0);

// Upgrading from any subversion of 1.9
$update_from_version_8 = array(
    '1.9.0',
    '1.9.2',
    '1.9.4',
    '1.9.6',
    '1.9.6.1',
    '1.9.8',
    '1.9.8.1',
    '1.9.8.2',
    '1.9.10',
    '1.9.10.2'
);

$my_old_version = '';
if (empty($tmp_version)) {
    $tmp_version = get_config_param('system_version');
}

if (!empty($_POST['old_version'])) {
    $my_old_version = $_POST['old_version'];
} elseif (!empty($tmp_version)) {
    $my_old_version = $tmp_version;
}

require_once __DIR__.'/version.php';

// Try to delete old symfony folder (generates conflicts with composer)
$oldSymfonyFolder = '../inc/lib/symfony';
if (is_dir($oldSymfonyFolder)) {
    @rmdir($oldSymfonyFolder);
}

// A protection measure for already installed systems.

if (isAlreadyInstalledSystem()) {
    // The system has already been installed, so block re-installation.
    $global_error_code = 6;
    require '../inc/global_error_message.inc.php';
    die();
}

/* STEP 1 : INITIALIZES FORM VARIABLES IF IT IS THE FIRST VISIT */

// Is valid request
$is_valid_request = isset($_REQUEST['is_executable']) ? $_REQUEST['is_executable'] : null;
/*foreach ($_POST as $request_index => $request_value) {
    if (substr($request_index, 0, 4) == 'step') {
        if ($request_index != $is_valid_request) {
            unset($_POST[$request_index]);
        }
    }
}*/

$badUpdatePath = false;
$emptyUpdatePath = true;
$proposedUpdatePath = '';
if (!empty($_POST['updatePath'])) {
    $proposedUpdatePath = $_POST['updatePath'];
}

if (@$_POST['step2_install'] || @$_POST['step2_update_8'] || @$_POST['step2_update_6']) {
    if (@$_POST['step2_install']) {
        $installType = 'new';
        $_POST['step2'] = 1;
    } else {
        $installType = 'update';
        if (@$_POST['step2_update_8']) {
            $emptyUpdatePath = false;
            $proposedUpdatePath = api_add_trailing_slash(empty($_POST['updatePath']) ? api_get_path(SYS_PATH) : $_POST['updatePath']);
            if (file_exists($proposedUpdatePath)) {
                if (in_array($my_old_version, $update_from_version_8)) {
                    $_POST['step2'] = 1;
                } else {
                    $badUpdatePath = true;
                }
            } else {
                $badUpdatePath = true;
            }
        }
    }
} elseif (@$_POST['step1']) {
    $_POST['updatePath'] = '';
    $installType = '';
    $updateFromConfigFile = '';
    unset($_GET['running']);
} else {
    $installType = isset($_GET['installType']) ? $_GET['installType'] : null;
    $updateFromConfigFile = isset($_GET['updateFromConfigFile']) ? $_GET['updateFromConfigFile'] : false;
}

if ($installType == 'update' && in_array($my_old_version, $update_from_version_8)) {
    // This is the main configuration file of the system before the upgrade.
    // Old configuration file.
    // Don't change to include_once
    $oldConfigPath = api_get_path(SYS_CODE_PATH) . 'inc/conf/configuration.php';
    if (file_exists($oldConfigPath)) {
        include $oldConfigPath;
    }
}

if (!isset($_GET['running'])) {
    $dbHostForm = 'localhost';
    $dbUsernameForm = 'root';
    $dbPassForm = '';
    $dbNameForm = 'chamilo';

    // Extract the path to append to the url if Chamilo is not installed on the web root directory.
    $urlAppendPath = api_remove_trailing_slash(api_get_path(REL_PATH));
    $urlForm = api_get_path(WEB_PATH);
    $pathForm = api_get_path(SYS_PATH);
    $emailForm = 'webmaster@localhost';
    if (!empty($_SERVER['SERVER_ADMIN'])) {
        $emailForm = $_SERVER['SERVER_ADMIN'];
    }
    $email_parts = explode('@', $emailForm);
    if (isset($email_parts[1]) && $email_parts[1] == 'localhost') {
        $emailForm .= '.localdomain';
    }
    $adminLastName = get_lang('DefaultInstallAdminLastname');
    $adminFirstName = get_lang('DefaultInstallAdminFirstname');
    $loginForm = 'admin';
    $passForm = api_generate_password();

    $campusForm = 'My campus';
    $educationForm = 'Albert Einstein';
    $adminPhoneForm = '(000) 001 02 03';
    $institutionForm = 'My Organisation';
    $institutionUrlForm = 'http://www.chamilo.org';
    $languageForm = api_get_interface_language();

    $checkEmailByHashSent = 0;
    $ShowEmailNotCheckedToStudent = 1;
    $userMailCanBeEmpty = 1;
    $allowSelfReg = 1;
    $allowSelfRegProf = 1;
    $encryptPassForm = 'sha1';
    $session_lifetime = 360000;
} else {
    foreach ($_POST as $key => $val) {
        $magic_quotes_gpc = ini_get('magic_quotes_gpc');
        if (is_string($val)) {
            if ($magic_quotes_gpc) {
                $val = stripslashes($val);
            }
            $val = trim($val);
            $_POST[$key] = $val;
        } elseif (is_array($val)) {
            foreach ($val as $key2 => $val2) {
                if ($magic_quotes_gpc) {
                    $val2 = stripslashes($val2);
                }
                $val2 = trim($val2);
                $_POST[$key][$key2] = $val2;
            }
        }
        $GLOBALS[$key] = $_POST[$key];
    }
}

/* NEXT STEPS IMPLEMENTATION */

$total_steps = 7;
if (!$_POST) {
    $current_step = 1;
} elseif (!empty($_POST['language_list']) or !empty($_POST['step1']) or ((!empty($_POST['step2_update_8']) or (!empty($_POST['step2_update_6']))) && ($emptyUpdatePath or $badUpdatePath))) {
    $current_step = 2;
} elseif (!empty($_POST['step2']) or (!empty($_POST['step2_update_8']) or (!empty($_POST['step2_update_6'])))) {
    $current_step = 3;
} elseif (!empty($_POST['step3'])) {
    $current_step = 4;
} elseif (!empty($_POST['step4'])) {
    $current_step = 5;
} elseif (!empty($_POST['step5'])) {
    $current_step = 6;
}

// Managing the $encryptPassForm
if ($encryptPassForm == '1') {
    $encryptPassForm = 'sha1';
} elseif ($encryptPassForm == '0') {
    $encryptPassForm = 'none';
}

?>
<!DOCTYPE html>
<head>
    <title>&mdash; <?php echo get_lang('ChamiloInstallation').' &mdash; '.get_lang('Version_').' '.$new_version; ?></title>
    <style type="text/css" media="screen, projection">
        @import "../../web/assets/bootstrap/dist/css/bootstrap.min.css";
        @import "../../web/assets/fontawesome/css/font-awesome.min.css";
        @import "../../web/css/base.css";
        @import "../../web/css/themes/chamilo/default.css";
    </style>
    <script type="text/javascript" src="../../web/assets/jquery/dist/jquery.min.js"></script>
    <script type="text/javascript">
        $(document).ready( function() {
            $("#button_please_wait").hide();
            $("button").addClass('btn btn-default');

            // Allow Chamilo install in IE
            $("button").click(function() {
                $("#is_executable").attr("value",$(this).attr("name"));
            });

            //Blocking step6 button
            $("#button_step6").click(function() {
                $("#button_step6").hide();
                $("#button_please_wait").html('<?php echo addslashes(get_lang('PleaseWait'));?>');
                $("#button_please_wait").show();
                $("#button_please_wait").attr('disabled', true);
                $("#is_executable").attr("value",'step6');
            });
        });

        init_visibility=0;
        $(document).ready( function() {
            $(".advanced_parameters").click(function() {
                if ($("#id_contact_form").css("display") == "none") {
                    $("#id_contact_form").css("display","block");
                    $("#img_plus_and_minus").html('&nbsp;<img src="<?php echo api_get_path(WEB_IMG_PATH) ?>div_hide.gif" alt="<?php echo get_lang('Hide') ?>" title="<?php echo get_lang('Hide')?>" style ="vertical-align:middle" >&nbsp;<?php echo get_lang('ContactInformation') ?>');
                } else {
                    $("#id_contact_form").css("display","none");
                    $("#img_plus_and_minus").html('&nbsp;<img src="<?php echo api_get_path(WEB_IMG_PATH) ?>div_show.gif" alt="<?php echo get_lang('Show') ?>" title="<?php echo get_lang('Show') ?>" style ="vertical-align:middle" >&nbsp;<?php echo get_lang('ContactInformation') ?>');
                }
            });
        });

        function send_contact_information() {
            var data_post = "";
            data_post += "person_name="+$("#person_name").val()+"&";
            data_post += "person_email="+$("#person_email").val()+"&";
            data_post += "company_name="+$("#company_name").val()+"&";
            data_post += "company_activity="+$("#company_activity option:selected").val()+"&";
            data_post += "person_role="+$("#person_role option:selected").val()+"&";
            data_post += "company_country="+$("#country option:selected").val()+"&";
            data_post += "company_city="+$("#company_city").val()+"&";
            data_post += "language="+$("#language option:selected").val()+"&";
            data_post += "financial_decision="+$("input[@name='financial_decision']:checked").val();

            $.ajax({
                contentType: "application/x-www-form-urlencoded",
                beforeSend: function(objeto) {},
                type: "POST",
                url: "<?php echo api_get_path(WEB_AJAX_PATH) ?>install.ajax.php?a=send_contact_information",
                data: data_post,
                success: function(datos) {
                    if (datos == 'required_field_error') {
                        message = "<?php echo get_lang('FormHasErrorsPleaseComplete') ?>";
                    } else if (datos == '1') {
                        message = "<?php echo get_lang('ContactInformationHasBeenSent') ?>";
                    } else {
                        message = "<?php echo get_lang('Error').': '.get_lang('ContactInformationHasNotBeenSent') ?>";
                    }
                    alert(message);
                }
            });
        }
    </script>
    <meta http-equiv="Content-Type" content="text/html; charset=<?php echo api_get_system_encoding(); ?>" />
</head>
<body dir="<?php echo api_get_text_direction(); ?>" class="install-chamilo">

<div id="page-wrap">
<div id="main" class="container well-install">
    <header>
        <div class="row">
            <div id="header_left" class="col-md-4">
                <div id="logo">
                    <img src="<?php echo api_get_path(WEB_CSS_PATH) ?>themes/chamilo/images/header-logo.png" hspace="10" vspace="10" alt="Chamilo" />
                </div>
            </div>
        </div>
    </header>
    <?php
    echo '<div class="page-header"><h1>'.get_lang('ChamiloInstallation').' &ndash; '.get_lang('Version_').' '.$new_version.'</h1></div>';
    ?>
    <div class="row">
        <div class="col-md-3">
            <div class="well">
                <ol>
                    <li <?php step_active('1'); ?>><?php echo get_lang('InstallationLanguage'); ?></li>
                    <li <?php step_active('2'); ?>><?php echo get_lang('Requirements'); ?></li>
                    <li <?php step_active('3'); ?>><?php echo get_lang('Licence'); ?></li>
                    <li <?php step_active('4'); ?>><?php echo get_lang('DBSetting'); ?></li>
                    <li <?php step_active('5'); ?>><?php echo get_lang('CfgSetting'); ?></li>
                    <li <?php step_active('6'); ?>><?php echo get_lang('PrintOverview'); ?></li>
                    <li <?php step_active('7'); ?>><?php echo get_lang('Installing'); ?></li>
                </ol>
            </div>
            <div id="note">
                <a class="btn btn-default" href="../../documentation/installation_guide.html" target="_blank">
                    <?php echo get_lang('ReadTheInstallationGuide'); ?>
                </a>
            </div>
        </div>

        <div class="col-md-9">

<form class="form-horizontal" id="install_form" method="post" action="<?php echo api_get_self(); ?>?running=1&amp;installType=<?php echo $installType; ?>&amp;updateFromConfigFile=<?php echo urlencode($updateFromConfigFile); ?>">
<?php

$instalation_type_label = '';
if ($installType == 'new') {
    $instalation_type_label  = get_lang('NewInstallation');
} elseif ($installType == 'update') {
    $update_from_version = isset($update_from_version) ? $update_from_version : null;
    $instalation_type_label = get_lang('UpdateFromLMSVersion').(is_array($update_from_version) ? implode('|', $update_from_version) : '');
}

if (!empty($instalation_type_label) && empty($_POST['step6'])) {
    echo '<div class="page-header"><h2>'.$instalation_type_label.'</h2></div>';
}
    ?>
    <input type="hidden" name="updatePath"         value="<?php if (!$badUpdatePath) echo api_htmlentities($proposedUpdatePath, ENT_QUOTES); ?>" />
    <input type="hidden" name="urlAppendPath"      value="<?php echo api_htmlentities($urlAppendPath, ENT_QUOTES); ?>" />
    <input type="hidden" name="pathForm"           value="<?php echo api_htmlentities($pathForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="urlForm"            value="<?php echo api_htmlentities($urlForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="dbHostForm"         value="<?php echo api_htmlentities($dbHostForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="dbUsernameForm"     value="<?php echo api_htmlentities($dbUsernameForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="dbPassForm"         value="<?php echo api_htmlentities($dbPassForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="dbNameForm"         value="<?php echo api_htmlentities($dbNameForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="allowSelfReg"       value="<?php echo api_htmlentities($allowSelfReg, ENT_QUOTES); ?>" />
    <input type="hidden" name="allowSelfRegProf"   value="<?php echo api_htmlentities($allowSelfRegProf, ENT_QUOTES); ?>" />
    <input type="hidden" name="emailForm"          value="<?php echo api_htmlentities($emailForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="adminLastName"      value="<?php echo api_htmlentities($adminLastName, ENT_QUOTES); ?>" />
    <input type="hidden" name="adminFirstName"     value="<?php echo api_htmlentities($adminFirstName, ENT_QUOTES); ?>" />
    <input type="hidden" name="adminPhoneForm"     value="<?php echo api_htmlentities($adminPhoneForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="loginForm"          value="<?php echo api_htmlentities($loginForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="passForm"           value="<?php echo api_htmlentities($passForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="languageForm"       value="<?php echo api_htmlentities($languageForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="campusForm"         value="<?php echo api_htmlentities($campusForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="educationForm"      value="<?php echo api_htmlentities($educationForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="institutionForm"    value="<?php echo api_htmlentities($institutionForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="institutionUrlForm" value="<?php echo api_stristr($institutionUrlForm, 'http://', false) ? api_htmlentities($institutionUrlForm, ENT_QUOTES) : api_stristr($institutionUrlForm, 'https://', false) ? api_htmlentities($institutionUrlForm, ENT_QUOTES) : 'http://'.api_htmlentities($institutionUrlForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="checkEmailByHashSent" value="<?php echo api_htmlentities($checkEmailByHashSent, ENT_QUOTES); ?>" />
    <input type="hidden" name="ShowEmailNotCheckedToStudent" value="<?php echo api_htmlentities($ShowEmailNotCheckedToStudent, ENT_QUOTES); ?>" />
    <input type="hidden" name="userMailCanBeEmpty" value="<?php echo api_htmlentities($userMailCanBeEmpty, ENT_QUOTES); ?>" />
    <input type="hidden" name="encryptPassForm"    value="<?php echo api_htmlentities($encryptPassForm, ENT_QUOTES); ?>" />
    <input type="hidden" name="session_lifetime"   value="<?php echo api_htmlentities($session_lifetime, ENT_QUOTES); ?>" />
    <input type="hidden" name="old_version"        value="<?php echo api_htmlentities($my_old_version, ENT_QUOTES); ?>" />
    <input type="hidden" name="new_version"        value="<?php echo api_htmlentities($new_version, ENT_QUOTES); ?>" />
<?php

if (@$_POST['step2']) {
    //STEP 3 : LICENSE
    display_license_agreement();
} elseif (@$_POST['step3']) {
    //STEP 4 : MYSQL DATABASE SETTINGS
    display_database_settings_form(
        $installType,
        $dbHostForm,
        $dbUsernameForm,
        $dbPassForm,
        $dbNameForm
    );
} elseif (@$_POST['step4']) {
    //STEP 5 : CONFIGURATION SETTINGS

    //if update, try getting settings from the database...
    if ($installType == 'update') {
        $db_name = $dbNameForm;

        $manager = connectToDatabase(
            $dbHostForm,
            $dbUsernameForm,
            $dbPassForm,
            $dbNameForm
        );

        $tmp = get_config_param_from_db('platformLanguage');
        if (!empty($tmp)) {
            $languageForm = $tmp;
        }

        $tmp = get_config_param_from_db('emailAdministrator');
        if (!empty($tmp)) {
            $emailForm = $tmp;
        }

        $tmp = get_config_param_from_db('administratorName');
        if (!empty($tmp)) {
            $adminFirstName = $tmp;
        }

        $tmp = get_config_param_from_db('administratorSurname');
        if (!empty($tmp)) {
            $adminLastName = $tmp;
        }

        $tmp = get_config_param_from_db('administratorTelephone');
        if (!empty($tmp)) {
            $adminPhoneForm = $tmp;
        }

        $tmp = get_config_param_from_db('siteName');
        if (!empty($tmp)) {
            $campusForm = $tmp;
        }

        $tmp = get_config_param_from_db('Institution');
        if (!empty($tmp)) {
            $institutionForm = $tmp;
        }

        $tmp = get_config_param_from_db('InstitutionUrl');
        if (!empty($tmp)) {
            $institutionUrlForm = $tmp;
        }

        // For version 1.9
        $urlForm = $_configuration['root_web'];
        $encryptPassForm = get_config_param('userPasswordCrypted');
        // Managing the $encryptPassForm
        if ($encryptPassForm == '1') {
            $encryptPassForm = 'sha1';
        } elseif ($encryptPassForm == '0') {
            $encryptPassForm = 'none';
        }

        $allowSelfReg = false;
        $tmp = get_config_param_from_db('allow_registration');
        if (!empty($tmp)) {
            $allowSelfReg = $tmp;
        }

        $allowSelfRegProf = false;
        $tmp = get_config_param_from_db('allow_registration_as_teacher');
        if (!empty($tmp)) {
            $allowSelfRegProf = $tmp;
        }
    }

    display_configuration_settings_form(
        $installType,
        $urlForm,
        $languageForm,
        $emailForm,
        $adminFirstName,
        $adminLastName,
        $adminPhoneForm,
        $campusForm,
        $institutionForm,
        $institutionUrlForm,
        $encryptPassForm,
        $allowSelfReg,
        $allowSelfRegProf,
        $loginForm,
        $passForm
    );

} elseif (@$_POST['step5']) {
    //STEP 6 : LAST CHECK BEFORE INSTALL
?>
    <div class="RequirementHeading">
       <h2><?php echo display_step_sequence().get_lang('LastCheck'); ?></h2>
    </div>
    <div class="RequirementContent">
       <?php echo get_lang('HereAreTheValuesYouEntered'); ?>
    </div><br />

    <?php
    if ($installType == 'new') {
        echo get_lang('AdminLogin') . ' : <strong>' . $loginForm . '</strong><br />';
        echo get_lang('AdminPass') . ' : <strong>' . $passForm . '</strong><br /><br />'; /* TODO: Maybe this password should be hidden too? */
    }

    echo get_lang('AdminFirstName').' : '.$adminFirstName, '<br />', get_lang('AdminLastName').' : '.$adminLastName, '<br />';
    echo get_lang('AdminEmail').' : '.$emailForm; ?><br />
    <?php echo get_lang('AdminPhone').' : '.$adminPhoneForm; ?><br />
    <?php echo get_lang('MainLang').' : '.$languageForm; ?><br /><br />
    <?php echo get_lang('DBHost').' : '.$dbHostForm; ?><br />
    <?php echo get_lang('DBLogin').' : '.$dbUsernameForm; ?><br />
    <?php echo get_lang('DBPassword').' : '.str_repeat('*', api_strlen($dbPassForm)); ?><br />
    <?php echo get_lang('MainDB').' : <strong>'.$dbNameForm; ?></strong><br />
    <?php echo get_lang('AllowSelfReg').' : '.($allowSelfReg ? get_lang('Yes') : get_lang('No')); ?><br />
    <?php echo get_lang('EncryptMethodUserPass').' : ';
    echo $encryptPassForm;
    ?>
    <br /><br />

    <?php echo get_lang('CampusName').' : '.$campusForm; ?><br />
    <?php echo get_lang('InstituteShortName').' : '.$institutionForm; ?><br />
    <?php echo get_lang('InstituteURL').' : '.$institutionUrlForm; ?><br />
    <?php echo get_lang('ChamiloURL').' : '.$urlForm; ?><br />
    <?php
    if ($installType == 'new') {
        echo Display::display_warning_message(
            '<h3 style="text-align: center">'.get_lang(
                'Warning'
            ).'</h3><br />'.get_lang('TheInstallScriptWillEraseAllTables'),
            false
        );
    }
    ?>

    <table width="100%">
        <tr>
            <td>
                <button type="submit" class="btn btn-default" name="step4" value="&lt; <?php echo get_lang('Previous'); ?>" >
                    <i class="fa fa-backward"> </i> <?php echo get_lang('Previous'); ?>
                </button>
            </td>
            <td align="right">
                <input type="hidden" name="is_executable" id="is_executable" value="-" />
                <input type="hidden" name="step6" value="1" />
                <button id="button_step6" class="btn btn-success" type="submit" name="button_step6" value="<?php echo get_lang('InstallChamilo'); ?>">
                    <i class="fa fa-floppy-o"> </i>
                    <?php echo get_lang('InstallChamilo'); ?>
                </button>
                <button class="btn btn-save" id="button_please_wait"></button>
            </td>
        </tr>
    </table>

    <?php
} elseif (@$_POST['step6']) {
    //STEP 6 : INSTALLATION PROCESS
    $current_step = 7;
    $msg = get_lang('InstallExecution');
    if ($installType == 'update') {
        $msg = get_lang('UpdateExecution');
    }
    echo '<div class="RequirementHeading">
          <h2>'.display_step_sequence().$msg.'</h2>
          <div id="pleasewait" class="warning-message">'.get_lang('PleaseWaitThisCouldTakeAWhile').'</div>
          </div>';

    // Push the web server to send these strings before we start the real
    // installation process
    flush();
    $f = ob_get_contents();
    if (!empty($f)) {
        ob_flush(); //#5565
    }

    if ($installType == 'update') {
        remove_memory_and_time_limits();

        $manager = connectToDatabase(
            $dbHostForm,
            $dbUsernameForm,
            $dbPassForm,
            $dbNameForm
        );

        $perm = api_get_permissions_for_new_directories();
        $perm_file = api_get_permissions_for_new_files();

        Log::notice('Starting migration process from '.$my_old_version.' ('.time().')');

        switch ($my_old_version) {
            case '1.9.0':
            case '1.9.2':
            case '1.9.4':
            case '1.9.6':
            case '1.9.6.1':
            case '1.9.8':
            case '1.9.8.1':
            case '1.9.8.2':
            case '1.9.10':
            case '1.9.10.2':

                // Fix type "enum" before running the migration with Doctrine
                Database::query("ALTER TABLE course_category MODIFY COLUMN auth_course_child VARCHAR(40) DEFAULT 'TRUE'");
                Database::query("ALTER TABLE course_category MODIFY COLUMN auth_cat_child VARCHAR(40) DEFAULT 'TRUE'");
                Database::query("ALTER TABLE c_quiz_answer MODIFY COLUMN hotspot_type varchar(40) default NULL");
                Database::query("ALTER TABLE c_tool MODIFY COLUMN target varchar(20) NOT NULL default '_self'");
                Database::query("ALTER TABLE c_link MODIFY COLUMN on_homepage char(10) NOT NULL default '0'");
                Database::query("ALTER TABLE c_blog_rating MODIFY COLUMN rating_type char(40) NOT NULL default 'post'");
                Database::query("ALTER TABLE c_survey MODIFY COLUMN anonymous char(10) NOT NULL default '0'");
                Database::query("ALTER TABLE c_document MODIFY COLUMN filetype char(10) NOT NULL default 'file'");
                Database::query("ALTER TABLE c_student_publication MODIFY COLUMN filetype char(10) NOT NULL default 'file'");

                // Migrate using the migration files located in:
                // src/Chamilo/CoreBundle/Migrations/Schema/V110
                migrate(
                    110,
                    $manager
                );

                include 'update-files-1.9.0-1.10.0.inc.php';
                // Only updates the configuration.inc.php with the new version
                include 'update-configuration.inc.php';
                break;
            default:
                break;
        }
    } else {
        set_file_folder_permissions();

        $manager = connectToDatabase(
            $dbHostForm,
            $dbUsernameForm,
            $dbPassForm,
            null
        );

        $dbNameForm = preg_replace('/[^a-zA-Z0-9_\-]/', '', $dbNameForm);

        // Drop and create the database anyways
        $manager->getConnection()->getSchemaManager()->dropAndCreateDatabase($dbNameForm);

        $manager = connectToDatabase(
            $dbHostForm,
            $dbUsernameForm,
            $dbPassForm,
            $dbNameForm
        );

        $metadataList = $manager->getMetadataFactory()->getAllMetadata();
        $schema = $manager->getConnection()->getSchemaManager()->createSchema();

        // Create database schema
        $tool = new \Doctrine\ORM\Tools\SchemaTool($manager);
        $tool->createSchema($metadataList);

        $sysPath = api_get_path(SYS_PATH);

        finishInstallation(
            $manager,
            $sysPath,
            $encryptPassForm,
            $passForm,
            $adminLastName,
            $adminFirstName,
            $loginForm,
            $emailForm,
            $adminPhoneForm,
            $languageForm,
            $institutionForm,
            $institutionUrlForm,
            $campusForm,
            $allowSelfReg,
            $allowSelfRegProf
        );

        include 'install_files.inc.php';
    }
    display_after_install_message($installType);

    // Hide the "please wait" message sent previously
    echo '<script>$(\'#pleasewait\').hide(\'fast\');</script>';

} elseif (@$_POST['step1'] || $badUpdatePath) {
    //STEP 1 : REQUIREMENTS
    //make sure that proposed path is set, shouldn't be necessary but...
    if (empty($proposedUpdatePath)) {
        $proposedUpdatePath = $_POST['updatePath'];
    }
    display_requirements($installType, $badUpdatePath, $proposedUpdatePath, $update_from_version_8);
} else {
    // This is the start screen.
    display_language_selection();
}

$poweredBy = 'Powered by <a href="http://www.chamilo.org" target="_blank"> Chamilo </a> &copy; '.date('Y');
?>
          </form>
        </div> <!-- col-md-9-->
      </div> <!-- row -->
    </div> <!-- main end-->
    <div class="push"></div>
  </div><!-- wrapper end-->
  <footer>
      <div class="container">
          <div class="row">
              <div style="text-align: center;">
                  &nbsp;<br />
                  <?php echo $poweredBy; ?>
              </div>
          </div>
      </div>
  </footer>
  </body>
</html>
