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<?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\Hook\AfterFunctionLikeAnalysisInterface; |
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use Psalm\Type\TaintKindGroup; |
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class AppFrameworkTainter implements AfterFunctionLikeAnalysisInterface { |
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public static function afterStatementAnalysis( |
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PhpParser\Node\FunctionLike $stmt, |
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Psalm\Storage\FunctionLikeStorage $classlike_storage, |
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Psalm\StatementsSource $statements_source, |
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Psalm\Codebase $codebase, |
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array &$file_replacements = [] |
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): ?bool { |
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if ($statements_source->getFQCLN() !== null) { |
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if ($codebase->classExtendsOrImplements($statements_source->getFQCLN(), \OCP\AppFramework\Controller::class)) { |
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if ($stmt instanceof PhpParser\Node\Stmt\ClassMethod) { |
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if ($stmt->isPublic() && !$stmt->isMagic()) { |
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foreach ($stmt->params as $i => $param) { |
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$expr_type = new Psalm\Type\Union([new Psalm\Type\Atomic\TString()]); |
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$expr_identifier = (strtolower($statements_source->getFQCLN()) . '::' . strtolower($classlike_storage->cased_name) . '#' . ($i+1)); |
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if ($expr_type) { |
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$codebase->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($statements_source, $param) |
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); |
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} |
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} |
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} |
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} |
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} |
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} |
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return null; |
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} |
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} |