nextcloud/build/psalm/AppFrameworkTainter.php

61 lines
2.4 KiB
PHP

<?php
/**
* Copyright (c) 2020 Lukas Reschke <lukas@statuscode.ch>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
use Psalm\CodeLocation;
use Psalm\Plugin\Hook\AfterFunctionLikeAnalysisInterface;
use Psalm\Type\TaintKindGroup;
class AppFrameworkTainter implements AfterFunctionLikeAnalysisInterface {
public static function afterStatementAnalysis(
PhpParser\Node\FunctionLike $stmt,
Psalm\Storage\FunctionLikeStorage $classlike_storage,
Psalm\StatementsSource $statements_source,
Psalm\Codebase $codebase,
array &$file_replacements = []
): ?bool {
if ($statements_source->getFQCLN() !== null) {
if ($codebase->classExtendsOrImplements($statements_source->getFQCLN(), \OCP\AppFramework\Controller::class)) {
if ($stmt instanceof PhpParser\Node\Stmt\ClassMethod) {
if ($stmt->isPublic() && !$stmt->isMagic()) {
foreach ($stmt->params as $i => $param) {
$expr_type = new Psalm\Type\Union([new Psalm\Type\Atomic\TString()]);
$expr_identifier = (strtolower($statements_source->getFQCLN()) . '::' . strtolower($classlike_storage->cased_name) . '#' . ($i + 1));
if ($expr_type) {
$codebase->addTaintSource(
$expr_type,
$expr_identifier,
TaintKindGroup::ALL_INPUT,
new CodeLocation($statements_source, $param)
);
}
}
}
}
}
}
return null;
}
}