<?php
/**
 * 2007-2016 PrestaShop.
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to http://www.prestashop.com for more information.
 *
 *  @author    PrestaShop SA <contact@prestashop.com>
 *  @copyright 2007-2016 PrestaShop SA
 *  @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 *  International Registered Trademark & Property of PrestaShop SA
 */

/**
 * Generate a new settings file, only transmitted parameters are updated.
 *
 * @param string $baseUri Base URI
 * @param string $theme Theme name (eg. default)
 * @param array $arrayDB Parameters in order to connect to database
 */
function rewriteSettingsFile($baseUrls = null, $theme = null, $arrayDB = null)
{
    $defines = array();
    $defines['__PS_BASE_URI__'] = ($baseUrls && $baseUrls['__PS_BASE_URI__']) ? $baseUrls['__PS_BASE_URI__'] : __PS_BASE_URI__;
    $defines['_MEDIA_SERVER_1_'] = ($baseUrls && isset($baseUrls['_MEDIA_SERVER_1_'])) ? $baseUrls['_MEDIA_SERVER_1_'] : _MEDIA_SERVER_1_;
    $defines['_PS_CACHING_SYSTEM_'] = _PS_CACHING_SYSTEM_;
    $defines['_PS_CACHE_ENABLED_'] = _PS_CACHE_ENABLED_;
    $defines['_THEME_NAME_'] = $theme ? $theme : _THEME_NAME_;
    $defines['_DB_NAME_'] = (($arrayDB && isset($arrayDB['_DB_NAME_'])) ? $arrayDB['_DB_NAME_'] : _DB_NAME_);
    $defines['_MYSQL_ENGINE_'] = (($arrayDB && isset($arrayDB['_MYSQL_ENGINE_'])) ? $arrayDB['_MYSQL_ENGINE_'] : _MYSQL_ENGINE_);
    $defines['_DB_SERVER_'] = (($arrayDB && isset($arrayDB['_DB_SERVER_'])) ? $arrayDB['_DB_SERVER_'] : _DB_SERVER_);
    $defines['_DB_USER_'] = (($arrayDB && isset($arrayDB['_DB_USER_'])) ? $arrayDB['_DB_USER_'] : _DB_USER_);
    $defines['_DB_PREFIX_'] = (($arrayDB && isset($arrayDB['_DB_PREFIX_'])) ? $arrayDB['_DB_PREFIX_'] : _DB_PREFIX_);
    $defines['_DB_PASSWD_'] = (($arrayDB && isset($arrayDB['_DB_PASSWD_'])) ? $arrayDB['_DB_PASSWD_'] : _DB_PASSWD_);
    $defines['_DB_TYPE_'] = (($arrayDB && isset($arrayDB['_DB_TYPE_'])) ? $arrayDB['_DB_TYPE_'] : _DB_TYPE_);
    $defines['_COOKIE_KEY_'] = addslashes(_COOKIE_KEY_);
    $defines['_COOKIE_IV_'] = addslashes(_COOKIE_IV_);
    if (defined('_RIJNDAEL_KEY_')) {
        $defines['_RIJNDAEL_KEY_'] = addslashes(_RIJNDAEL_KEY_);
    }
    if (defined('_RIJNDAEL_IV_')) {
        $defines['_RIJNDAEL_IV_'] = addslashes(_RIJNDAEL_IV_);
    }
    $defines['_PS_VERSION_'] = addslashes(_PS_VERSION_);
    $content = "<?php\n\n";
    foreach ($defines as $k => $value) {
        $content .= 'define(\'' . $k . '\', \'' . addslashes($value) . '\');' . "\n";
    }
    $content .= "\n?>";
    if ($fd = @fopen(PS_ADMIN_DIR . '/../app/config/parameters.php', 'w')) {
        fwrite($fd, $content);
        fclose($fd);

        return true;
    }

    return false;
}

/**
 * Display SQL date in friendly format.
 *
 * @param string $sqlDate Date in SQL format (YYYY-MM-DD HH:mm:ss)
 * @param bool $withTime Display both date and time
 *
 * @todo Several formats (french : DD-MM-YYYY)
 */
function displayDate($sqlDate, $withTime = false)
{
    return strftime('%Y-%m-%d' . ($withTime ? ' %H:%M:%S' : ''), strtotime($sqlDate));
}

/**
 * Return path to a product category.
 *
 * @param string $urlBase Start URL
 * @param int $id_category Start category
 * @param string $path Current path
 * @param string $highlight String to highlight (in XHTML/CSS)
 * @param string $type Category type (products/cms)
 */
function getPath($urlBase, $id_category, $path = '', $highlight = '', $categoryType = 'catalog')
{
    global $cookie;

    if ($categoryType == 'catalog') {
        $category = Db::getInstance()->getRow('
        SELECT id_category, level_depth, nleft, nright
        FROM ' . _DB_PREFIX_ . 'category
        WHERE id_category = ' . (int) $id_category);

        if (isset($category['id_category'])) {
            $categories = Db::getInstance()->ExecuteS('
            SELECT c.id_category, cl.name, cl.link_rewrite
            FROM ' . _DB_PREFIX_ . 'category c
            LEFT JOIN ' . _DB_PREFIX_ . 'category_lang cl ON (cl.id_category = c.id_category)
            WHERE c.nleft <= ' . (int) $category['nleft'] . ' AND c.nright >= ' . (int) $category['nright'] . ' AND cl.id_lang = ' . (int) ($cookie->id_lang) . '
            ORDER BY c.level_depth ASC
            LIMIT ' . (int) ($category['level_depth'] + 1));

            $fullPath = '';
            $n = 1;
            $nCategories = (int) sizeof($categories);
            foreach ($categories as $category) {
                $edit = '<a href="' . $urlBase . '&id_category=' . (int) $category['id_category'] . '&' . ($category['id_category'] == 1 ? 'viewcategory' : 'addcategory') . '&token=' . Tools14::getAdminToken('AdminCatalog' . (int) (Tab::getIdFromClassName('AdminCatalog')) . (int) ($cookie->id_employee)) . '" title="' . ($category['id_category'] == 1 ? 'Home' : 'Modify') . '"><img src="../img/admin/' . ($category['id_category'] == 1 ? 'home' : 'edit') . '.gif" alt="" /></a> ';
                $fullPath .= $edit .
                ($n < $nCategories ? '<a href="' . $urlBase . '&id_category=' . (int) $category['id_category'] . '&viewcategory&token=' . Tools14::getAdminToken('AdminCatalog' . (int) (Tab::getIdFromClassName('AdminCatalog')) . (int) ($cookie->id_employee)) . '" title="' . htmlentities($category['name'], ENT_NOQUOTES, 'UTF-8') . '">' : '') .
                (!empty($highlight) ? str_ireplace($highlight, '<span class="highlight">' . htmlentities($highlight, ENT_NOQUOTES, 'UTF-8') . '</span>', $category['name']) : $category['name']) .
                ($n < $nCategories ? '</a>' : '') .
                (($n++ != $nCategories || !empty($path)) ? ' > ' : '');
            }

            return $fullPath . $path;
        }
    } elseif ($categoryType == 'cms') {
        $category = new CMSCategory($id_category, (int) ($cookie->id_lang));
        if (!$category->id) {
            return $path;
        }

        $name = ($highlight != null) ? str_ireplace($highlight, '<span class="highlight">' . $highlight . '</span>', CMSCategory::hideCMSCategoryPosition($category->name)) : CMSCategory::hideCMSCategoryPosition($category->name);
        $edit = '<a href="' . $urlBase . '&id_cms_category=' . $category->id . '&addcategory&token=' . Tools14::getAdminToken('AdminCMSContent' . (int) (Tab::getIdFromClassName('AdminCMSContent')) . (int) ($cookie->id_employee)) . '">
                <img src="../img/admin/edit.gif" alt="Modify" /></a> ';
        if ($category->id == 1) {
            $edit = '<a href="' . $urlBase . '&id_cms_category=' . $category->id . '&viewcategory&token=' . Tools14::getAdminToken('AdminCMSContent' . (int) (Tab::getIdFromClassName('AdminCMSContent')) . (int) ($cookie->id_employee)) . '">
                    <img src="../img/admin/home.gif" alt="Home" /></a> ';
        }
        $path = $edit . '<a href="' . $urlBase . '&id_cms_category=' . $category->id . '&viewcategory&token=' . Tools14::getAdminToken('AdminCMSContent' . (int) (Tab::getIdFromClassName('AdminCMSContent')) . (int) ($cookie->id_employee)) . '">
        ' . $name . '</a> > ' . $path;
        if ($category->id == 1) {
            return substr($path, 0, strlen($path) - 3);
        }

        return getPath($urlBase, $category->id_parent, $path, '', 'cms');
    }
}

function getDirContent($path)
{
    $content = array();
    if (is_dir($path)) {
        $d = dir($path);
        while (false !== ($entry = $d->read())) {
            if ($entry[0] != '.') {
                $content[] = $entry;
            }
        }
        $d->close();
    }

    return $content;
}

function createDir($path, $rights)
{
    if (file_exists($path)) {
        return true;
    }

    return @mkdir($path, $rights);
}

function recursiveTab($id_tab)
{
    global $cookie, $tabs;

    $adminTab = Tab::getTab((int) $cookie->id_lang, $id_tab);
    $tabs[] = $adminTab;
    if ($adminTab['id_parent'] > 0) {
        recursiveTab($adminTab['id_parent']);
    }
}

function checkingTab($tab)
{
    global $adminObj, $cookie;

    $tab = trim($tab);
    if (!Validate::isTabName($tab)) {
        return false;
    }

    $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow($sql = 'SELECT id_tab, module FROM `' . _DB_PREFIX_ . 'tab` WHERE class_name = \'' . pSQL($tab) . '\'');
    if (!$row['id_tab']) {
        if (isset(AdminTab::$tabParenting[$tab])) {
            Tools14::redirectAdmin('?tab=' . AdminTab::$tabParenting[$tab] . '&token=' . Tools14::getAdminTokenLite(AdminTab::$tabParenting[$tab]));
        }
        echo Tools14::displayError('Tab cannot be found.');

        return false;
    }
    if ($row['module'] && file_exists(_PS_MODULE_DIR_ . '/' . $row['module'] . '/' . $tab . '.php')) {
        include_once _PS_MODULE_DIR_ . '/' . $row['module'] . '/' . $tab . '.php';
    } elseif (file_exists(PS_ADMIN_DIR . '/tabs/' . $tab . '.php')) {
        include_once PS_ADMIN_DIR . '/tabs/' . $tab . '.php';
    }

    if (!class_exists($tab, false) || !$row['id_tab']) {
        echo Tools14::displayError('Tab file cannot be found.');

        return false;
    }
    $adminObj = new $tab();
    if (!$adminObj->viewAccess()) {
        $adminObj->_errors = array(Tools14::displayError('Access denied'));
        echo $adminObj->displayErrors();

        return false;
    }

    return $row['id_tab'];
}

function checkTabRights($id_tab)
{
    global $cookie;
    static $tabAccesses = null;

    if ($tabAccesses === null) {
        $tabAccesses = Profile::getProfileAccesses($cookie->profile);
    }

    if (isset($tabAccesses[(int) ($id_tab)]['view'])) {
        return $tabAccesses[(int) ($id_tab)]['view'] === '1';
    }

    return false;
}

/**
 * Converts a simpleXML element into an array. Preserves attributes and everything.
 * You can choose to get your elements either flattened, or stored in a custom index that
 * you define.
 * For example, for a given element
 * <field name="someName" type="someType"/>
 * if you choose to flatten attributes, you would get:
 * $array['field']['name'] = 'someName';
 * $array['field']['type'] = 'someType';
 * If you choose not to flatten, you get:
 * $array['field']['@attributes']['name'] = 'someName';
 * _____________________________________
 * Repeating fields are stored in indexed arrays. so for a markup such as:
 * <parent>
 * <child>a</child>
 * <child>b</child>
 * <child>c</child>
 * </parent>
 * you array would be:
 * $array['parent']['child'][0] = 'a';
 * $array['parent']['child'][1] = 'b';
 * ...And so on.
 * _____________________________________.
 *
 * @param simpleXMLElement $xml the XML to convert
 * @param bool $flattenValues Choose wether to flatten values
 *                            or to set them under a particular index.
 *                            defaults to true;
 * @param bool $flattenAttributes Choose wether to flatten attributes
 *                                or to set them under a particular index.
 *                                Defaults to true;
 * @param bool $flattenChildren Choose wether to flatten children
 *                              or to set them under a particular index.
 *                              Defaults to true;
 * @param string $valueKey index for values, in case $flattenValues was set to
 *                         false. Defaults to "@value"
 * @param string $attributesKey index for attributes, in case $flattenAttributes was set to
 *                              false. Defaults to "@attributes"
 * @param string $childrenKey index for children, in case $flattenChildren was set to
 *                            false. Defaults to "@children"
 *
 * @return array the resulting array
 */
function simpleXMLToArray($xml, $flattenValues = true, $flattenAttributes = true, $flattenChildren = true, $valueKey = '@value', $attributesKey = '@attributes', $childrenKey = '@children')
{
    $return = array();
    if (!($xml instanceof SimpleXMLElement)) {
        return $return;
    }

    $name = $xml->getName();
    $_value = trim((string) $xml);
    if (strlen($_value) == 0) {
        $_value = null;
    }

    if ($_value !== null) {
        if (!$flattenValues) {
            $return[$valueKey] = $_value;
        } else {
            $return = $_value;
        }
    }

    $children = array();
    $first = true;
    foreach ($xml->children() as $elementName => $child) {
        $value = simpleXMLToArray($child, $flattenValues, $flattenAttributes, $flattenChildren, $valueKey, $attributesKey, $childrenKey);
        if (isset($children[$elementName])) {
            if ($first) {
                $temp = $children[$elementName];
                unset($children[$elementName]);
                $children[$elementName][] = $temp;
                $first = false;
            }
            $children[$elementName][] = $value;
        } else {
            $children[$elementName] = $value;
        }
    }

    if (count($children) > 0) {
        if (!$flattenChildren) {
            $return[$childrenKey] = $children;
        } else {
            $return = array_merge($return, $children);
        }
    }

    $attributes = array();
    foreach ($xml->attributes() as $name => $value) {
        $attributes[$name] = trim($value);
    }

    if (count($attributes) > 0) {
        if (!$flattenAttributes) {
            $return[$attributesKey] = $attributes;
        } else {
            $return = array_merge($return, $attributes);
        }
    }

    return $return;
}