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jedchecker/administrator/components/com_jedchecker/libraries/rules/gpl.php

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<?php
/**
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* @package Joomla.JEDChecker
*
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* @copyright Copyright (C) 2017 - 2019 Open Source Matters, Inc. All rights reserved.
* Copyright (C) 2008 - 2016 compojoom.com . All rights reserved.
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* @author Daniel Dimitrov <daniel@compojoom.com>
*
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
defined('_JEXEC') or die('Restricted access');
// Include the rule base class
require_once(JPATH_COMPONENT_ADMINISTRATOR . '/models/rule.php');
/**
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* class JedcheckerRulesGpl
*
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* This class searches all files for the _JEXEC check
* which prevents direct file access.
*
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* @since 1.0
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*/
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class JedcheckerRulesGpl extends JEDcheckerRule
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{
/**
* The formal ID of this rule. For example: SE1.
*
* @var string
*/
protected $id = 'PH1';
/**
* The title or caption of this rule.
*
* @var string
*/
protected $title = 'COM_JEDCHECKER_RULE_PH1';
/**
* The description of this rule.
*
* @var string
*/
protected $description = 'COM_JEDCHECKER_RULE_PH1_DESC';
/**
* Initiates the file search and check
*
* @return void
*/
public function check()
{
// Find all php files of the extension
$files = JFolder::files($this->basedir, '.php$', true, true);
// Iterate through all files
foreach ($files as $file)
{
// Try to find the _JEXEC check in the file
if (!$this->find($file))
{
// Add as error to the report if it was not found
$this->report->addError($file, JText::_('COM_JEDCHECKER_ERROR_GPL_NOT_FOUND'));
}
}
}
/**
* Reads a file and searches for the _JEXEC statement
*
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* @param string $file - The path to the file
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*
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* @return boolean True if the statement was found, otherwise False.
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*/
protected function find($file)
{
$content = (array) file($file);
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// Get the constants to look for
$licenses = $this->params->get('constants');
$licenses = explode(',', $licenses);
$hascode = 0;
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foreach ($content AS $key => $line)
{
$tline = trim($line);
if ($tline == '' || $tline == '<?php' || $tline == '?>')
{
continue;
}
if ($tline['0'] != '/' && $tline['0'] != '*')
{
$hascode = 1;
}
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// Search for GPL license
$gpl = stripos($line, 'GPL');
$gnu = stripos($line, 'GNU');
$gpl_long = stripos($line, 'general public license');
if ($gpl || $gnu || $gpl_long)
{
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$this->report->addInfo(
$file,
JText::_('COM_JEDCHECKER_PH1_LICENSE_FOUND') . ':' . '<strong>' . $line . '</strong>',
$key
);
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return true;
}
// Search for the constant name
foreach ($licenses AS $license)
{
$license = trim($license);
// Search for the license
$found = strpos($line, $license);
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// Skip the line if the license is not found
if ($found === false)
{
continue;
}
else
{
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$this->report->addInfo(
$file,
JText::_('COM_JEDCHECKER_GPL_COMPATIBLE_LICENSE_WAS_FOUND') . ':' . '<strong>' . $line . '</strong>',
$key
);
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return true;
}
}
}
unset($content);
return $hascode ? false : true;
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}
}