<?php
/*
 * Copyright 2007-2013 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
 * This file is part of Pydio.
 *
 * Pydio is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Pydio 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Pydio.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The latest code can be found at <http://pyd.io/>.
 */
defined('AJXP_EXEC') or die( 'Access not allowed');
require_once('../classes/class.AbstractTest.php');

/**
 * Test Server Encoding
 * @package Pydio
 * @subpackage Tests
 */
class ServerEncoding extends AbstractTest
{
    public function __construct() { parent::__construct("Server charset encoding", "You must set a correct charset encoding
        in your locale definition in the form: en_us.UTF-8. Please refer to setlocale man page.
        If your detected locale is C, simply type echo \$LANG on your server command line to read the correct value."); }
    public function doTest()
    {
        // Get the locale
        $locale = setlocale(LC_CTYPE, 0);
        if ($locale == 'C') {
            $this->failedLevel = "warning";
            $this->failedInfo .= "Detected locale: $locale (using UTF-8)";
            $this->failedInfo .= "<p class='suggestion'><b>Suggestion</b> : Set the AJXP_LOCALE parameter to the correct value in the <i>conf/bootstrap_conf.php</i> file. You can also set this value using the installer form (next step).</p>";
            return FALSE;
        }
        if (strpos($locale, '.') === FALSE) {
            $this->failedLevel = "warning";
            $this->failedInfo .= "Locale doesn't contain encoding: $locale (so using UTF-8)";
            $this->failedInfo .= "<p class='suggestion'><b>Suggestion</b> : Set the AJXP_LOCALE parameter to the correct value in the <i>conf/bootstrap_conf.php</i> file.  You can also set this value using the installer form (next step).</p>";
            return FALSE;
        }
        // Check if we have iconv
        if (!function_exists("iconv") && floatval(phpversion()) > 5.0) { $this->failedInfo .= "Couldn't find iconv. Please use a PHP version with iconv support"; return FALSE; }
        if (floatval(phpversion()) > 5.0) {
            // Try converting from a known UTF-8 string to ISO8859-1 string and back to make sure it works.
            $string = "aéàç";
            $iso = iconv("UTF-8", "ISO-8859-1", $string);
            $back = iconv("ISO-8859-1", "UTF-8", $iso);
            if (strlen($iso) != 4 || ord($iso[1]) != 233 || $back != $string) { $this->failedInfo .= "iconv doesn't work on your system: $string $iso $back"; return FALSE; }
        }
        return TRUE;
    }
}