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<?php
/**
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\App;
use OC\Hooks\BasicEmitter;
use PhpParser\Lexer;
use PhpParser\Node;
use PhpParser\Node\Name;
use PhpParser\NodeTraverser;
use PhpParser\NodeVisitorAbstract;
use PhpParser\Parser;
use RecursiveCallbackFilterIterator;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use RegexIterator;
use SplFileInfo;
class CodeChecker extends BasicEmitter {
const CLASS_EXTENDS_NOT_ALLOWED = 1000;
const CLASS_IMPLEMENTS_NOT_ALLOWED = 1001;
const STATIC_CALL_NOT_ALLOWED = 1002;
const CLASS_CONST_FETCH_NOT_ALLOWED = 1003;
const CLASS_NEW_FETCH_NOT_ALLOWED = 1004;
/** @var Parser */
private $parser;
/** @var string[] */
private $blackListedClassNames;
public function __construct() {
$this->parser = new Parser(new Lexer);
$this->blackListedClassNames = [
// classes replaced by the public api
'OC_API',
'OC_App',
'OC_AppConfig',
'OC_Avatar',
'OC_BackgroundJob',
'OC_Config',
'OC_DB',
'OC_Files',
'OC_Helper',
'OC_Hook',
'OC_Image',
'OC_JSON',
'OC_L10N',
'OC_Log',
'OC_Mail',
'OC_Preferences',
'OC_Request',
'OC_Response',
'OC_Template',
'OC_User',
'OC_Util',
];
}
/**
* @param string $appId
* @return array
*/
public function analyse($appId) {
$appPath = \OC_App::getAppPath($appId);
if ($appPath === false) {
throw new \RuntimeException("No app with given id <$appId> known.");
}
return $this->analyseFolder($appPath);
}
/**
* @param string $folder
* @return array
*/
public function analyseFolder($folder) {
$errors = [];
$excludes = array_map(function($item) use ($folder) {
return $folder . '/' . $item;
}, ['vendor', '3rdparty', '.git', 'l10n']);
$iterator = new RecursiveDirectoryIterator($folder, RecursiveDirectoryIterator::SKIP_DOTS);
$iterator = new RecursiveCallbackFilterIterator($iterator, function($item) use ($folder, $excludes){
/** @var SplFileInfo $item */
foreach($excludes as $exclude) {
if (substr($item->getPath(), 0, strlen($exclude)) === $exclude) {
return false;
}
}
return true;
});
$iterator = new RecursiveIteratorIterator($iterator);
$iterator = new RegexIterator($iterator, '/^.+\.php$/i');
foreach ($iterator as $file) {
/** @var SplFileInfo $file */
$this->emit('CodeChecker', 'analyseFileBegin', [$file->getPathname()]);
$errors = array_merge($this->analyseFile($file), $errors);
$this->emit('CodeChecker', 'analyseFileFinished', [$errors]);
}
return $errors;
}
/**
* @param string $file
* @return array
*/
public function analyseFile($file) {
$code = file_get_contents($file);
$statements = $this->parser->parse($code);
$visitor = new CodeCheckVisitor($this->blackListedClassNames);
$traverser = new NodeTraverser;
$traverser->addVisitor($visitor);
$traverser->traverse($statements);
return $visitor->errors;
}
}
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