<?php
/* Copyright (C) 2010-2013 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * 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/>.
 * or see http://www.gnu.org/
 */

/**
 *      \file       test/phpunit/CoreTest.php
 *      \ingroup    test
 *      \brief      PHPUnit test
 *      \remarks    To run this script as CLI:  phpunit filename.php
 */

global $conf,$user,$langs,$db;
//define('TEST_DB_FORCE_TYPE','mysql');	// This is to force using mysql driver
//require_once 'PHPUnit/Autoload.php';
//require_once dirname(__FILE__).'/../../htdocs/master.inc.php';

if (! defined('NOREQUIREUSER'))  define('NOREQUIREUSER','1');
if (! defined('NOREQUIREDB'))    define('NOREQUIREDB','1');
if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
if (! defined('NOCSRFCHECK'))    define('NOCSRFCHECK','1');
if (! defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL','1');
if (! defined('NOREQUIREMENU'))  define('NOREQUIREMENU','1'); // If there is no menu to show
if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML','1'); // If we don't need to load the html.form.class.php
if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
if (! defined("NOLOGIN"))        define("NOLOGIN",'1');       // If this page is public (can be called outside logged session)


/**
 * Class to test core functions
 *
 * @backupGlobals disabled
 * @backupStaticAttributes enabled
 * @remarks	backupGlobals must be disabled to have db,conf,user and lang not erased.
 */
class CoreTest extends PHPUnit_Framework_TestCase
{
    protected $savconf;
    protected $savuser;
    protected $savlangs;
    protected $savdb;

    /**
     * Constructor
     * We save global variables into local variables
     *
     * @return CoreTest
     */
    function __construct()
    {
    	parent::__construct();

    	//$this->sharedFixture
        global $conf,$user,$langs,$db;
        $this->savconf=$conf;
        $this->savuser=$user;
        $this->savlangs=$langs;
        $this->savdb=$db;

        //print __METHOD__." db->type=".$db->type." user->id=".$user->id;
        //print " - db ".$db->db;
        print "\n";
    }

    // Static methods
    public static function setUpBeforeClass()
    {
        global $conf,$user,$langs,$db;
        //$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.

        print __METHOD__."\n";
    }

    // tear down after class
    public static function tearDownAfterClass()
    {
        global $conf,$user,$langs,$db;
        //$db->rollback();

        print __METHOD__."\n";
    }

    /**
     * Init phpunit tests
     *
     * @return  void
    */
    protected function setUp()
    {
        global $conf,$user,$langs,$db;
        $conf=$this->savconf;
        $user=$this->savuser;
        $langs=$this->savlangs;
        $db=$this->savdb;

        print __METHOD__."\n";
    }
    /**
     * End phpunit tests
     *
     * @return  void
     */
    protected function tearDown()
    {
        print __METHOD__."\n";
    }


    /**
     * testDetectURLROOT
     *
     * @return	void
     */
    public function testDetectURLROOT()
    {
        global $dolibarr_main_prod;

        global $dolibarr_main_url_root;
        global $dolibarr_main_data_root;
        global $dolibarr_main_document_root;
        global $dolibarr_main_data_root_alt;
        global $dolibarr_main_document_root_alt;
        global $dolibarr_main_db_host;
        global $dolibarr_main_db_port;
        global $dolibarr_main_db_type;
        global $dolibarr_main_db_prefix;

        $testtodo=3;

        // Case 1:
        // Test for subdir dolibarrnew (that point to htdocs) in root directory /var/www
        // URL: http://localhost/dolibarrnew/admin/system/phpinfo.php
        // To prepare this test:
        // - Create link from htdocs to /var/www/dolibarrnew
        // - Put into conf.php $dolibarr_main_document_root='/var/www/dolibarrnew';
        if ($testtodo == 1) {
            $_SERVER["HTTPS"]='';
            $_SERVER["SERVER_NAME"]='localhost';
            $_SERVER["SERVER_PORT"]='80';
            $_SERVER["DOCUMENT_ROOT"]='/var/www';
            $_SERVER["SCRIPT_NAME"]='/dolibarrnew/admin/system/phpinfo.php';
            $expectedresult='/dolibarrnew';
        }

        // Case 2:
        // Test for subdir aaa (that point to dolibarr) in root directory /var/www
        // URL: http://localhost/aaa/htdocs/admin/system/phpinfo.php
        // To prepare this test:
        // - Create link from dolibarr to /var/www/aaa
        // - Put into conf.php $dolibarr_main_document_root='/var/www/aaa/htdocs';
        if ($testtodo == 2) {
            $_SERVER["HTTPS"]='';
            $_SERVER["SERVER_NAME"]='localhost';
            $_SERVER["SERVER_PORT"]='80';
            $_SERVER["DOCUMENT_ROOT"]='/var/www';
            $_SERVER["SCRIPT_NAME"]='/aaa/htdocs/admin/system/phpinfo.php';
            $expectedresult='/aaa/htdocs';
        }

        // Case 3:
        // Test for virtual host localhostdolibarrnew that point to htdocs directory with
        // a direct document root
        // URL: http://localhostdolibarrnew/admin/system/phpinfo.php
        // To prepare this test:
        // - Create virtual host localhostdolibarrnew that point to /home/ldestailleur/git/dolibarr/htdocs
        // - Put into conf.php $dolibarr_main_document_root='/home/ldestailleur/git/dolibarr/htdocs';
        if ($testtodo == 3) {
            $_SERVER["HTTPS"]='';
            $_SERVER["SERVER_NAME"]='localhostdolibarrnew';
            $_SERVER["SERVER_PORT"]='80';
            $_SERVER["DOCUMENT_ROOT"]='/home/ldestailleur/git/dolibarr/htdocs';
            $_SERVER["SCRIPT_NAME"]='/admin/system/phpinfo.php';
            $expectedresult='';
        }

        // Case 4:
        // Test for virtual host localhostdolibarrnew that point to htdocs directory with
        // a symbolic link
        // URL: http://localhostdolibarrnew/admin/system/phpinfo.php
        if ($testtodo == 4) {
            $_SERVER["HTTPS"]='';
            $_SERVER["SERVER_NAME"]='localhostdolibarrnew';
            $_SERVER["SERVER_PORT"]='80';
            $_SERVER["DOCUMENT_ROOT"]='/var/www/dolibarr';	// This is a link that point to /home/ldestail/workspace/dolibarr/htdocs
            $_SERVER["SCRIPT_NAME"]='/admin/system/phpinfo.php';
            $expectedresult='';
        }

        // Case 5:
        // Test for alias /dolibarralias, Test when using nginx, Test when using lighttpd
        // URL: http://localhost/dolibarralias/admin/system/phpinfo.php
        // To prepare this test:
        // - Copy content of dolibarr project into /var/www/dolibarr
        // - Put into conf.php $dolibarr_main_document_root='/var/www/dolibarr/htdocs';
        // - Put into conf.php $dolibarr_main_url_root='http://localhost/dolibarralias';  (because autodetect will fails in this case)
        if ($testtodo == 5) {
            $_SERVER["HTTPS"]='';
            $_SERVER["SERVER_NAME"]='localhost';
            $_SERVER["SERVER_PORT"]='80';
            $_SERVER["DOCUMENT_ROOT"]='/var/www';
            $_SERVER["SCRIPT_NAME"]='/dolibarralias/admin/system/phpinfo.php';
            $expectedresult='/dolibarralias';
        }

        // Force to rerun filefunc.inc.php
        include dirname(__FILE__).'/../../htdocs/filefunc.inc.php';

        print __METHOD__." DOL_MAIN_URL_ROOT=".DOL_MAIN_URL_ROOT."\n";
        print __METHOD__." DOL_URL_ROOT=".DOL_URL_ROOT."\n";
        $this->assertEquals($expectedresult, DOL_URL_ROOT);

        return true;
    }


    /**
     * testSqlAndScriptInject
     *
     * @return  void
     */
    public function testSqlAndScriptInject()
    {
        global $dolibarr_main_prod;

        global $dolibarr_main_url_root;
        global $dolibarr_main_data_root;
        global $dolibarr_main_document_root;
        global $dolibarr_main_data_root_alt;
        global $dolibarr_main_document_root_alt;
        global $dolibarr_main_db_host;
        global $dolibarr_main_db_port;
        global $dolibarr_main_db_type;
        global $dolibarr_main_db_prefix;


        // This is code copied from main.inc.php !!!!!!!!!!!!!!!

        /**
         * Security: SQL Injection and XSS Injection (scripts) protection (Filters on GET, POST, PHP_SELF).
         *
         * @param       string $val     Value
         * @param       string $type    1=GET, 0=POST, 2=PHP_SELF
         * @return      int             >0 if there is an injection
         */
        function test_sql_and_script_inject($val, $type)
        {
            $sql_inj = 0;
            // For SQL Injection (only GET and POST are used to be included into bad escaped SQL requests)
            if ($type != 2)
            {
                $sql_inj += preg_match('/delete\s+from/i',	 $val);
                $sql_inj += preg_match('/create\s+table/i',	 $val);
                $sql_inj += preg_match('/update.+set.+=/i',  $val);
                $sql_inj += preg_match('/insert\s+into/i', 	 $val);
                $sql_inj += preg_match('/select.+from/i', 	 $val);
                $sql_inj += preg_match('/union.+select/i', 	 $val);
                $sql_inj += preg_match('/into\s+(outfile|dumpfile)/i',  $val);
                $sql_inj += preg_match('/(\.\.%2f)+/i',		 $val);
            }
            // For XSS Injection done by adding javascript with script
            // This is all cases a browser consider text is javascript:
            // When it found '<script', 'javascript:', '<style', 'onload\s=' on body tag, '="&' on a tag size with old browsers
            // All examples on page: http://ha.ckers.org/xss.html#XSScalc
            $sql_inj += preg_match('/<script/i', $val);
            if (! defined('NOSTYLECHECK')) $sql_inj += preg_match('/<style/i', $val);
            $sql_inj += preg_match('/base[\s]+href/si', $val);
            $sql_inj += preg_match('/<.*onmouse/si', $val);       // onmousexxx can be set on img or any html tag like <img title='>' onmouseover=alert(1)>
            $sql_inj += preg_match('/onerror\s*=/i', $val);       // onerror can be set on img or any html tag like <img title='>' onerror = alert(1)>
            if ($type == 1)
            {
                $sql_inj += preg_match('/javascript:/i', $val);
                $sql_inj += preg_match('/vbscript:/i', $val);
            }
            // For XSS Injection done by adding javascript closing html tags like with onmousemove, etc... (closing a src or href tag with not cleaned param)
            if ($type == 1) $sql_inj += preg_match('/"/i', $val);		// We refused " in GET parameters value
            if ($type == 2) $sql_inj += preg_match('/[;"]/', $val);		// PHP_SELF is a file system path. It can contains spaces.
            return $sql_inj;
        }

        // Run tests

        $_SERVER["PHP_SELF"]='/DIR WITH SPACE/htdocs/admin/index.php?mainmenu=home&leftmenu=setup&username=weservices';
        $result=test_sql_and_script_inject($_SERVER["PHP_SELF"], 2);
        $expectedresult=0;
        $this->assertEquals($expectedresult, $result, 'Error on test_sql_and_script_inject 1a');

        $_SERVER["PHP_SELF"]='/DIR WITH SPACE/htdocs/admin/index.php?mainmenu=home&leftmenu=setup&username=weservices;badaction';
        $result=test_sql_and_script_inject($_SERVER["PHP_SELF"], 2);
        $expectedresult=1;
        $this->assertEquals($expectedresult, $result, 'Error on test_sql_and_script_inject 1b');

        $_GET['aaa']="<img src='1.jpg' onerror =javascript:alert('XSS')>";
        $result=test_sql_and_script_inject($_GET['aaa'], 0);
        $expectedresult=1;
        $this->assertEquals($expectedresult, $result, 'Error on test_sql_and_script_inject 2');

        $_POST['bbb']="<img src='1.jpg' onerror =javascript:alert('XSS')>";
        $result=test_sql_and_script_inject($_POST['bbb'], 2);
        $expectedresult=1;
        $this->assertEquals($expectedresult, $result, 'Error on test_sql_and_script_inject 3');
    }
}