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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Setup\Module\Di\Code\Scanner;
use Magento\Framework\Api\Code\Generator\ExtensionAttributesGenerator;
use Magento\Framework\Api\Code\Generator\ExtensionAttributesInterfaceGenerator;
use Magento\Framework\ObjectManager\Code\Generator\Factory as FactoryGenerator;
use Magento\Framework\Reflection\TypeProcessor;
use Magento\Setup\Module\Di\Compiler\Log\Log;
/**
* Finds factory and extension attributes classes which require auto-generation.
*/
class PhpScanner implements ScannerInterface
{
/**
* @var Log $log
*/
protected $_log;
/**
* @var TypeProcessor
*/
private $typeProcessor;
/**
* Initialize dependencies.
*
* @param Log $log
* @param TypeProcessor|null $typeProcessor
*/
public function __construct(Log $log, TypeProcessor $typeProcessor = null)
{
$this->_log = $log;
$this->typeProcessor = $typeProcessor
?: \Magento\Framework\App\ObjectManager::getInstance()->get(TypeProcessor::class);
}
/**
* Find classes which are used as parameters types of the specified method and are not declared.
*
* @param string $file
* @param \ReflectionClass $classReflection
* @param string $methodName
* @param string $entityType
* @return string[]
*/
private function findMissingFactories($file, $classReflection, $methodName, $entityType)
{
$missingClasses = [];
if (!$classReflection->hasMethod($methodName)) {
return $missingClasses;
}
$factorySuffix = '\\' . ucfirst(FactoryGenerator::ENTITY_TYPE);
$constructor = $classReflection->getMethod($methodName);
$parameters = $constructor->getParameters();
/** @var $parameter \ReflectionParameter */
foreach ($parameters as $parameter) {
preg_match('/\[\s\<\w+?>\s\??([\w\\\\]+)/s', $parameter->__toString(), $matches);
if (isset($matches[1]) && substr($matches[1], -strlen($entityType)) == $entityType) {
$missingClassName = $matches[1];
if ($this->shouldGenerateClass($missingClassName, $entityType, $file)) {
if (substr($missingClassName, -strlen($factorySuffix)) == $factorySuffix) {
$entityName = rtrim(substr($missingClassName, 0, -strlen($factorySuffix)), '\\');
$this->_log->add(
Log::CONFIGURATION_ERROR,
$missingClassName,
'Invalid Factory declaration for class ' . $entityName . ' in file ' . $file
);
} else {
$missingClasses[] = $missingClassName;
}
}
}
}
return $missingClasses;
}
/**
* Identify source class name for the provided class.
*
* @param string $missingClassName
* @param string $entityType
* @return string
*/
protected function getSourceClassName($missingClassName, $entityType)
{
$sourceClassName = rtrim(substr($missingClassName, 0, -strlen($entityType)), '\\');
$entityType = lcfirst($entityType);
if ($entityType == ExtensionAttributesInterfaceGenerator::ENTITY_TYPE
|| $entityType == ExtensionAttributesGenerator::ENTITY_TYPE
) {
/** Process special cases for extension class and extension interface */
return $sourceClassName . 'Interface';
} elseif ($entityType == FactoryGenerator::ENTITY_TYPE) {
$extensionAttributesSuffix = ucfirst(ExtensionAttributesGenerator::ENTITY_TYPE);
if (substr($sourceClassName, -strlen($extensionAttributesSuffix)) == $extensionAttributesSuffix) {
/** Process special case for extension factories */
$extensionAttributesClass = substr(
$sourceClassName,
0,
-strlen(ExtensionAttributesGenerator::ENTITY_TYPE)
);
$sourceClassName = $extensionAttributesClass . 'Interface';
}
}
return $sourceClassName;
}
/**
* Fetch factories from class constructor
*
* @param \ReflectionClass $reflectionClass
* @param string $file
* @return string[]
*/
protected function _fetchFactories($reflectionClass, $file)
{
$absentFactories = $this->findMissingFactories(
$file,
$reflectionClass,
'__construct',
ucfirst(FactoryGenerator::ENTITY_TYPE)
);
return $absentFactories;
}
/**
* Find missing extension attributes related classes, interfaces and factories.
*
* @param \ReflectionClass $reflectionClass
* @param string $file
* @return string[]
*/
protected function _fetchMissingExtensionAttributesClasses($reflectionClass, $file)
{
$missingExtensionInterfaces = [];
$methodName = 'getExtensionAttributes';
$entityType = ucfirst(\Magento\Framework\Api\Code\Generator\ExtensionAttributesInterfaceGenerator::ENTITY_TYPE);
if ($reflectionClass->hasMethod($methodName) && $reflectionClass->isInterface()) {
$returnType = $this->typeProcessor->getGetterReturnType(
(new \Laminas\Code\Reflection\ClassReflection($reflectionClass->getName()))->getMethod($methodName)
);
$missingClassName = $returnType['type'];
if ($this->shouldGenerateClass($missingClassName, $entityType, $file)) {
$missingExtensionInterfaces[] = $missingClassName;
$extension = rtrim(substr($missingClassName, 0, -strlen('Interface')), '\\');
if (!class_exists($extension)) {
$missingExtensionInterfaces[] = $extension;
}
$extensionFactory = $extension . 'Factory';
if (!class_exists($extensionFactory)) {
$missingExtensionInterfaces[] = $extensionFactory;
}
}
}
return $missingExtensionInterfaces;
}
/**
* Get array of class names
*
* @param array $files
* @return array
* @throws \ReflectionException
*/
public function collectEntities(array $files)
{
$output = [];
foreach ($files as $file) {
$classes = $this->getDeclaredClasses($file);
foreach ($classes as $className) {
$reflectionClass = new \ReflectionClass($className);
$output[] = $this->_fetchFactories($reflectionClass, $file);
$output[] = $this->_fetchMissingExtensionAttributesClasses($reflectionClass, $file);
}
}
return array_unique(array_merge([], ...$output));
}
/**
* Fetch namespaces from tokenized PHP file
*
* @param int $tokenIterator
* @param int $count
* @param array $tokens
* @return string
*/
protected function _fetchNamespace($tokenIterator, $count, $tokens)
{
$namespaceParts = [];
for ($tokenOffset = $tokenIterator + 1; $tokenOffset < $count; ++$tokenOffset) {
if ($tokens[$tokenOffset][0] === T_NAME_QUALIFIED) {
$namespaceParts[] = $tokens[$tokenOffset][1];
}
if ($tokens[$tokenOffset][0] === T_STRING) {
$namespaceParts[] = "\\";
$namespaceParts[] = $tokens[$tokenOffset][1];
} elseif ($tokens[$tokenOffset] === '{' || $tokens[$tokenOffset] === ';') {
break;
}
}
return implode('', $namespaceParts);
}
/**
* Fetches class name from tokenized PHP file.
*
* @param string $namespace
* @param int $tokenIterator
* @param int $count
* @param array $tokens
* @return string|null
*/
private function fetchClass($namespace, $tokenIterator, $count, $tokens):? string
{
// anonymous classes should be omitted
if (is_array($tokens[$tokenIterator - 2]) && $tokens[$tokenIterator - 2][0] === T_NEW) {
return null;
}
for ($tokenOffset = $tokenIterator + 1; $tokenOffset < $count; ++$tokenOffset) {
if ($tokens[$tokenOffset] !== '{') {
continue;
}
return $namespace . "\\" . $tokens[$tokenIterator + 2][1];
}
return null;
}
/**
* Get classes and interfaces declared in the file
*
* @param string $file
* @return array
*/
private function getDeclaredClasses($file): array
{
$classes = [];
$namespaceParts = [];
// phpcs:ignore
$tokens = token_get_all(file_get_contents($file));
$count = count($tokens);
for ($tokenIterator = 0; $tokenIterator < $count; $tokenIterator++) {
if ($tokens[$tokenIterator][0] == T_NAMESPACE) {
$namespaceParts[] = $this->_fetchNamespace($tokenIterator, $count, $tokens);
}
if (($tokens[$tokenIterator][0] == T_CLASS || $tokens[$tokenIterator][0] == T_INTERFACE)
&& $tokens[$tokenIterator - 1][0] != T_DOUBLE_COLON
) {
$class = $this->fetchClass(join('', $namespaceParts), $tokenIterator, $count, $tokens);
if ($class !== null && !in_array($class, $classes)) {
$classes[] = $class;
}
}
}
return $classes;
}
/**
* Check if specified class is missing and if it can be generated.
*
* @param string $missingClassName
* @param string $entityType
* @param string $file
* @return bool
*/
private function shouldGenerateClass($missingClassName, $entityType, $file)
{
try {
if (class_exists($missingClassName)) {
return false;
}
} catch (\RuntimeException $e) { //phpcs:ignore
}
$sourceClassName = $this->getSourceClassName($missingClassName, $entityType);
if (!class_exists($sourceClassName) && !interface_exists($sourceClassName)) {
$this->_log->add(
Log::CONFIGURATION_ERROR,
$missingClassName,
"Invalid {$entityType} for nonexistent class {$sourceClassName} in file {$file}"
);
return false;
}
return true;
}
}