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<?php |
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/** |
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* Copyright MediaCT. All rights reserved. |
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* https://www.mediact.nl |
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*/ |
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namespace Mediact\DependencyGuard\Candidate; |
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use Composer\Composer; |
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use Composer\Package\PackageInterface; |
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use Mediact\DependencyGuard\Php\SymbolInterface; |
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use Mediact\DependencyGuard\Php\SymbolIterator; |
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use Mediact\DependencyGuard\Php\SymbolIteratorInterface; |
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use Mediact\DependencyGuard\Reflection\ReflectionTrait; |
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class CandidateExtractor implements CandidateExtractorInterface |
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{ |
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use ReflectionTrait; |
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/** |
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* Extract violation candidates from the given Composer instance and symbols. |
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* |
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* @param Composer $composer |
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* @param SymbolIteratorInterface $symbols |
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* |
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* @return iterable|CandidateInterface[] |
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*/ |
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public function extract( |
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Composer $composer, |
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SymbolIteratorInterface $symbols |
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): iterable { |
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$repository = $composer->getRepositoryManager()->getLocalRepository(); |
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$vendorPath = str_replace('\\', '/', $composer->getConfig()->get('vendor-dir', 0)); |
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$packages = []; |
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foreach ($symbols as $symbol) { |
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$package = $this->extractPackage($vendorPath, $symbol); |
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if ($package === null) { |
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continue; |
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} |
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if (!array_key_exists($package, $packages)) { |
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$packages[$package] = []; |
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} |
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$packages[$package][] = $symbol; |
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} |
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$installed = $repository->getPackages(); |
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$candidates = []; |
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foreach ($packages as $name => $symbols) { |
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$package = $this->getPackageByName($installed, $name); |
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if ($package === null) { |
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continue; |
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} |
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$candidates[] = new Candidate( |
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$package, |
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new SymbolIterator(...$symbols) |
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); |
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} |
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return $candidates; |
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} |
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/** |
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* @param PackageInterface[]|iterable $packages |
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* @param string $name |
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* |
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* @return PackageInterface|null |
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*/ |
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private function getPackageByName(iterable $packages, string $name): ?PackageInterface |
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{ |
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foreach ($packages as $package) { |
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if ($package->getName() === $name) { |
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return $package; |
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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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* Extract the package name from the given PHP symbol. |
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* |
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* @param string $vendorPath |
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* @param SymbolInterface $symbol |
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* |
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* @return string|null |
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*/ |
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private function extractPackage( |
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string $vendorPath, |
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SymbolInterface $symbol |
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): ?string { |
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static $packagesPerSymbol = []; |
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$name = $symbol->getName(); |
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if (!array_key_exists($name, $packagesPerSymbol)) { |
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$reflection = $this->getClassReflection($name); |
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$file = str_replace('\\', '/', $reflection->getFileName()); |
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// This happens for symbols in the current package. |
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if (strpos($file, $vendorPath) !== 0) { |
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return null; |
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} |
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$structure = explode( |
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'/', |
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preg_replace( |
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sprintf( |
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'/^%s/', |
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preg_quote($vendorPath . '/', '/') |
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), |
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'', |
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$file |
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), |
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1 |
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3 |
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); |
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// This happens when other code extends Composer root code, like: |
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// composer/ClassLoader.php |
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if (count($structure) < 3) { |
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$packagesPerSymbol[$name] = null; |
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} |
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[$vendor, $package] = $structure; |
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$packagesPerSymbol[$name] = sprintf('%s/%s', $vendor, $package); |
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} |
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return $packagesPerSymbol[$name] ?? null; |
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} |
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} |
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mediact /
dependency-guard
