nextcloud/lib/private/App/CodeChecker/CodeChecker.php

143 lines
4.2 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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\CodeChecker;
use OC\Hooks\BasicEmitter;
use PhpParser\NodeTraverser;
use PhpParser\Parser;
use PhpParser\ParserFactory;
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_NOT_ALLOWED = 1004;
const OP_OPERATOR_USAGE_DISCOURAGED = 1005;
const CLASS_USE_NOT_ALLOWED = 1006;
const CLASS_METHOD_CALL_NOT_ALLOWED = 1007;
/** @var Parser */
private $parser;
/** @var ICheck */
protected $checkList;
/** @var bool */
protected $checkMigrationSchema;
public function __construct(ICheck $checkList, $checkMigrationSchema) {
$this->checkList = $checkList;
$this->checkMigrationSchema = $checkMigrationSchema;
$this->parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
}
/**
* @param string $appId
* @return array
* @throws \RuntimeException if app with $appId is unknown
*/
public function analyse(string $appId): array {
$appPath = \OC_App::getAppPath($appId);
if ($appPath === false) {
throw new \RuntimeException("No app with given id <$appId> known.");
}
return $this->analyseFolder($appId, $appPath);
}
/**
* @param string $appId
* @param string $folder
* @return array
*/
public function analyseFolder(string $appId, string $folder): array {
$errors = [];
$excludedDirectories = ['vendor', '3rdparty', '.git', 'l10n', 'tests', 'test', 'build'];
if ($appId === 'password_policy') {
$excludedDirectories[] = 'lists';
}
$excludes = array_map(function($item) use ($folder) {
return $folder . '/' . $item;
}, $excludedDirectories);
$iterator = new RecursiveDirectoryIterator($folder, RecursiveDirectoryIterator::SKIP_DOTS);
$iterator = new RecursiveCallbackFilterIterator($iterator, function($item) use ($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()]);
$fileErrors = $this->analyseFile($file->__toString());
$this->emit('CodeChecker', 'analyseFileFinished', [$file->getPathname(), $fileErrors]);
$errors = array_merge($fileErrors, $errors);
}
return $errors;
}
/**
* @param string $file
* @return array
*/
public function analyseFile(string $file): array {
$code = file_get_contents($file);
$statements = $this->parser->parse($code);
$visitor = new NodeVisitor($this->checkList);
$migrationVisitor = new MigrationSchemaChecker();
$traverser = new NodeTraverser;
$traverser->addVisitor($visitor);
if ($this->checkMigrationSchema && preg_match('#^.+\\/Migration\\/Version[^\\/]{1,255}\\.php$#i', $file)) {
$traverser->addVisitor($migrationVisitor);
}
$traverser->traverse($statements);
return array_merge($visitor->errors, $migrationVisitor->errors);
}
}