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