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Detects disallowed methods and functions in callable parameters
For example:
- `array_map('function', []);`
- `array_map([$object, 'method'], []);`
- `array_map([Class::class, 'staticMethod']);`
- `IntlChar::enumCharTypes('function');`
- also in custom functions and methods
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176 changes: 176 additions & 0 deletions
176
src/RuleErrors/DisallowedCallableParameterRuleErrors.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| <?php | ||
| declare(strict_types = 1); | ||
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| namespace Spaze\PHPStan\Rules\Disallowed\RuleErrors; | ||
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| use PhpParser\Node\Expr; | ||
| use PhpParser\Node\Expr\CallLike; | ||
| use PhpParser\Node\Expr\FuncCall; | ||
| use PhpParser\Node\Expr\MethodCall; | ||
| use PhpParser\Node\Expr\StaticCall; | ||
| use PhpParser\Node\Name; | ||
| use PHPStan\Analyser\ArgumentsNormalizer; | ||
| use PHPStan\Analyser\Scope; | ||
| use PHPStan\Reflection\ExtendedMethodReflection; | ||
| use PHPStan\Reflection\FunctionReflection; | ||
| use PHPStan\Reflection\ParametersAcceptorSelector; | ||
| use PHPStan\Reflection\ReflectionProvider; | ||
| use PHPStan\Rules\IdentifierRuleError; | ||
| use PHPStan\ShouldNotHappenException; | ||
| use PHPStan\Type\TypeCombinator; | ||
| use Spaze\PHPStan\Rules\Disallowed\DisallowedCall; | ||
| use Spaze\PHPStan\Rules\Disallowed\DisallowedCallFactory; | ||
| use Spaze\PHPStan\Rules\Disallowed\PHPStan1Compatibility; | ||
| use Spaze\PHPStan\Rules\Disallowed\Type\TypeResolver; | ||
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| class DisallowedCallableParameterRuleErrors | ||
| { | ||
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| private TypeResolver $typeResolver; | ||
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| private DisallowedFunctionRuleErrors $disallowedFunctionRuleErrors; | ||
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| private DisallowedMethodRuleErrors $disallowedMethodRuleErrors; | ||
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| /** @var list<DisallowedCall> */ | ||
| private array $disallowedFunctionCalls; | ||
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| /** @var list<DisallowedCall> */ | ||
| private array $disallowedCalls; | ||
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| private ReflectionProvider $reflectionProvider; | ||
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| /** | ||
| * @param TypeResolver $typeResolver | ||
| * @param DisallowedFunctionRuleErrors $disallowedFunctionRuleErrors | ||
| * @param DisallowedMethodRuleErrors $disallowedMethodRuleErrors | ||
| * @param DisallowedCallFactory $disallowedCallFactory | ||
| * @param ReflectionProvider $reflectionProvider | ||
| * @param array $forbiddenFunctionCalls | ||
| * @phpstan-param ForbiddenCallsConfig $forbiddenFunctionCalls | ||
| * @param array $forbiddenMethodCalls | ||
| * @phpstan-param ForbiddenCallsConfig $forbiddenMethodCalls | ||
| * @param array $forbiddenStaticCalls | ||
| * @phpstan-param ForbiddenCallsConfig $forbiddenStaticCalls | ||
| * @noinspection PhpUndefinedClassInspection ForbiddenCallsConfig is a type alias defined in PHPStan config | ||
| * @throws ShouldNotHappenException | ||
| */ | ||
| public function __construct( | ||
| TypeResolver $typeResolver, | ||
| DisallowedFunctionRuleErrors $disallowedFunctionRuleErrors, | ||
| DisallowedMethodRuleErrors $disallowedMethodRuleErrors, | ||
| DisallowedCallFactory $disallowedCallFactory, | ||
| ReflectionProvider $reflectionProvider, | ||
| array $forbiddenFunctionCalls, | ||
| array $forbiddenMethodCalls, | ||
| array $forbiddenStaticCalls | ||
| ) { | ||
| $this->typeResolver = $typeResolver; | ||
| $this->disallowedFunctionRuleErrors = $disallowedFunctionRuleErrors; | ||
| $this->disallowedMethodRuleErrors = $disallowedMethodRuleErrors; | ||
| $this->disallowedFunctionCalls = $disallowedCallFactory->createFromConfig($forbiddenFunctionCalls); | ||
| $this->disallowedCalls = $disallowedCallFactory->createFromConfig(array_merge($forbiddenMethodCalls, $forbiddenStaticCalls)); | ||
| $this->reflectionProvider = $reflectionProvider; | ||
| } | ||
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|
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| /** | ||
| * @param FuncCall $node | ||
| * @param Scope $scope | ||
| * @return list<IdentifierRuleError> | ||
| * @throws ShouldNotHappenException | ||
| */ | ||
| public function getForFunction(FuncCall $node, Scope $scope): array | ||
| { | ||
| $ruleErrors = []; | ||
| foreach ($this->typeResolver->getNamesFromCall($node, $scope) as $name) { | ||
| if (!$this->reflectionProvider->hasFunction($name, $scope)) { | ||
| continue; | ||
| } | ||
| $reflection = $this->reflectionProvider->getFunction($name, $scope); | ||
| $errors = $this->getErrors($node, $scope, $reflection); | ||
| if ($errors) { | ||
| $ruleErrors = array_merge($ruleErrors, $errors); | ||
| } | ||
| } | ||
| return $ruleErrors; | ||
| } | ||
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| /** | ||
| * @param Name|Expr $class | ||
| * @param MethodCall|StaticCall $node | ||
| * @param Scope $scope | ||
| * @return list<IdentifierRuleError> | ||
| * @throws ShouldNotHappenException | ||
| */ | ||
| public function getForMethod($class, CallLike $node, Scope $scope): array | ||
| { | ||
| $ruleErrors = []; | ||
| $classType = $this->typeResolver->getType($class, $scope); | ||
| if (PHPStan1Compatibility::isClassString($classType)->yes()) { | ||
| $classType = $classType->getClassStringObjectType(); | ||
| } | ||
| foreach ($classType->getObjectTypeOrClassStringObjectType()->getObjectClassNames() as $className) { | ||
| if (!$this->reflectionProvider->hasClass($className)) { | ||
| continue; | ||
| } | ||
| $classReflection = $this->reflectionProvider->getClass($className); | ||
| foreach ($this->typeResolver->getNamesFromCall($node, $scope) as $name) { | ||
| if (!$classReflection->hasMethod($name->toString())) { | ||
| continue; | ||
| } | ||
| $reflection = $classReflection->getMethod($name->toString(), $scope); | ||
| $errors = $this->getErrors($node, $scope, $reflection); | ||
| if ($errors) { | ||
| $ruleErrors = array_merge($ruleErrors, $errors); | ||
| } | ||
| } | ||
| } | ||
| return $ruleErrors; | ||
| } | ||
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| /** | ||
| * @param Scope $scope | ||
| * @param FuncCall|MethodCall|StaticCall $node | ||
| * @param ExtendedMethodReflection|FunctionReflection $reflection | ||
| * @return list<IdentifierRuleError> | ||
| * @throws ShouldNotHappenException | ||
| */ | ||
| private function getErrors(CallLike $node, Scope $scope, $reflection): array | ||
| { | ||
| $ruleErrors = []; | ||
| $parametersAcceptor = ParametersAcceptorSelector::selectFromArgs($scope, $node->getArgs(), $reflection->getVariants()); | ||
| $reorderedArgs = ArgumentsNormalizer::reorderArgs($parametersAcceptor, $node->getArgs()) ?? $node->getArgs(); | ||
| foreach ($parametersAcceptor->getParameters() as $key => $parameter) { | ||
| if (!TypeCombinator::removeNull($parameter->getType())->isCallable()->yes() || !isset($reorderedArgs[$key])) { | ||
| continue; | ||
| } | ||
| $callableType = $scope->getType($reorderedArgs[$key]->value); | ||
| foreach ($callableType->getConstantStrings() as $constantString) { | ||
| $errors = $this->disallowedFunctionRuleErrors->getByString($constantString->getValue(), $scope, $this->disallowedFunctionCalls); | ||
| if ($errors) { | ||
| $ruleErrors = array_merge($ruleErrors, $errors); | ||
| } | ||
| } | ||
| foreach ($callableType->getConstantArrays() as $constantArray) { | ||
| foreach ($constantArray->findTypeAndMethodNames() as $typeAndMethodName) { | ||
| if ($typeAndMethodName->isUnknown()) { | ||
| continue; | ||
| } | ||
| $method = $typeAndMethodName->getMethod(); | ||
| foreach ($typeAndMethodName->getType()->getObjectClassNames() as $class) { | ||
| $errors = $this->disallowedMethodRuleErrors->getByString($class, $method, $scope, $this->disallowedCalls); | ||
| if ($errors) { | ||
| $ruleErrors = array_merge($ruleErrors, $errors); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return $ruleErrors; | ||
| } | ||
|
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| } |
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