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<?php |
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namespace Dominikb\ComposerLicenseChecker; |
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use Dominikb\ComposerLicenseChecker\Contracts\DependencyLoaderAware; |
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use Dominikb\ComposerLicenseChecker\Contracts\LicenseConstraintAware; |
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use Dominikb\ComposerLicenseChecker\Contracts\LicenseLookupAware; |
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use Dominikb\ComposerLicenseChecker\Exceptions\CommandExecutionException; |
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use Dominikb\ComposerLicenseChecker\Traits\DependencyLoaderAwareTrait; |
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use Dominikb\ComposerLicenseChecker\Traits\LicenseConstraintAwareTrait; |
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use Dominikb\ComposerLicenseChecker\Traits\LicenseLookupAwareTrait; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputDefinition; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Logger\ConsoleLogger; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Style\SymfonyStyle; |
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class CheckCommand extends Command implements LicenseLookupAware, LicenseConstraintAware, DependencyLoaderAware |
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{ |
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use LicenseLookupAwareTrait, LicenseConstraintAwareTrait, DependencyLoaderAwareTrait; |
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const LINES_BEFORE_DEPENDENCY_VERSIONS = 2; |
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/** @var ConsoleLogger */ |
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private $logger; |
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/** @var SymfonyStyle */ |
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private $io; |
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protected function configure() |
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{ |
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$this->setDefinition(new InputDefinition([ |
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new InputOption( |
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'project-path', |
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'p', |
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InputOption::VALUE_OPTIONAL, |
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'Path to directory of composer.json file', |
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realpath('.') |
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), |
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new InputOption( |
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'composer', |
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'c', |
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InputOption::VALUE_OPTIONAL, |
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'Path to composer executable', |
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realpath('./vendor/bin/composer') |
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), |
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new InputOption( |
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'allowlist', |
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'a', |
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InputOption::VALUE_IS_ARRAY | InputOption::VALUE_OPTIONAL, |
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'Set a license you want to permit for usage' |
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), |
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new InputOption( |
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'blocklist', |
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'b', |
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InputOption::VALUE_IS_ARRAY | InputOption::VALUE_OPTIONAL, |
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'Mark a specific license prohibited for usage' |
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), |
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new InputOption( |
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'allow', |
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'', |
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InputOption::VALUE_IS_ARRAY | InputOption::VALUE_OPTIONAL, |
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'Determine a vendor or package to always be allowed and never trigger violations' |
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), |
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])); |
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} |
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public static function getDefaultName(): ?string |
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{ |
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return 'check'; |
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} |
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/** |
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* @throws CommandExecutionException |
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*/ |
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public function execute(InputInterface $input, OutputInterface $output): int |
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{ |
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$this->logger = new ConsoleLogger($output); |
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$this->io = new SymfonyStyle($input, $output); |
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$this->io->title('Reading through dependencies and checking their licenses ...'); |
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$this->ensureCommandCanBeExecuted(); |
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$dependencies = $this->dependencyLoader->loadDependencies( |
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$input->getOption('composer'), |
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$input->getOption('project-path') |
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); |
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$this->io->writeln(count($dependencies).' dependencies were found ...'); |
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$this->io->newLine(); |
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$violations = $this->determineViolations($dependencies, |
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$input->getOption('blocklist'), |
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$input->getOption('allowlist'), |
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$input->getOption('allow') |
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); |
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try { |
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$this->handleViolations($violations); |
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$this->io->success('Command finished successfully. No violations detected!'); |
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} catch (CommandExecutionException $exception) { |
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$this->io->error($exception->getMessage()); |
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return 1; |
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} |
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return 0; |
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} |
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/** |
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* @throws CommandExecutionException |
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*/ |
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private function ensureCommandCanBeExecuted(): void |
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{ |
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if (! $this->licenseLookup) { |
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throw new CommandExecutionException('LicenseLookup must be set via setLicenseLookup() before the command can be executed!'); |
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} |
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if (! $this->dependencyLoader) { |
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throw new CommandExecutionException('DependencyLoader must be set via setDependencyLoader() before the command can be executed!'); |
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} |
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} |
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private function determineViolations(array $dependencies, array $blocklist, array $allowlist, array $allowed): array |
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{ |
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$this->licenseConstraintHandler->setBlocklist($blocklist); |
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$this->licenseConstraintHandler->setAllowlist($allowlist); |
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$this->licenseConstraintHandler->allow(array_map(function ($dependency) { |
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return new Dependency($dependency); |
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}, $allowed)); |
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return $this->licenseConstraintHandler->detectViolations($dependencies); |
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} |
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/** |
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* @param ConstraintViolation[] $violations |
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* |
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* @throws CommandExecutionException |
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*/ |
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private function handleViolations(array $violations): void |
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{ |
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$violationsFound = false; |
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foreach ($violations as $violation) { |
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if ($violation->hasViolators()) { |
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$this->io->error($violation->getTitle()); |
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$this->reportViolators($violation->getViolators()); |
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$violationsFound = true; |
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} |
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} |
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if ($violationsFound) { |
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throw new CommandExecutionException('Violators found during execution!'); |
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} |
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} |
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/** |
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* @param Dependency[] $violators |
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*/ |
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private function reportViolators(array $violators): void |
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{ |
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$byLicense = []; |
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foreach ($violators as $violator) { |
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$license = $violator->getLicenses()[0]; |
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if (! isset($byLicense[$license])) { |
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$byLicense[$license] = []; |
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} |
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$byLicense[$license][] = $violator; |
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} |
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foreach ($byLicense as $license => $violators) { |
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$violatorNames = array_map(function (Dependency $dependency) { |
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return sprintf('"%s [%s]"', $dependency->getName(), $dependency->getVersion()); |
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}, $violators); |
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$this->io->title($license); |
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$this->io->writeln(implode(', ', $violatorNames)); |
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} |
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} |
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} |
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dominikb /
composer-license-checker
