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<?php |
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/** |
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* This file is part of the ramsey/uuid-console application |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @copyright Copyright (c) Ben Ramsey <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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* @link https://packagist.org/packages/ramsey/uuid-console Packagist |
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* @link https://github.com/ramsey/uuid-console GitHub |
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*/ |
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namespace Ramsey\Uuid\Console\Command; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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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\Output\OutputInterface; |
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use Ramsey\Uuid\Console\Exception; |
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use Ramsey\Uuid\Uuid; |
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use Ramsey\Uuid\Generator\CombGenerator; |
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use Ramsey\Uuid\Codec\GuidStringCodec; |
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use Ramsey\Uuid\FeatureSet; |
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use Ramsey\Uuid\UuidFactory; |
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/** |
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* Provides the console command to generate UUIDs |
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*/ |
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class GenerateCommand extends Command |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function configure() |
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{ |
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parent::configure(); |
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$this->setName('generate') |
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->setDescription('Generate a UUID') |
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->addArgument( |
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'version', |
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InputArgument::OPTIONAL, |
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'The UUID version to generate. Supported are version "1", "3", ' |
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. '"4" and "5".', |
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1 |
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) |
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->addArgument( |
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'namespace', |
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InputArgument::OPTIONAL, |
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'For version 3 or 5 UUIDs, the namespace to create a UUID for. ' |
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. 'May be either a UUID in string representation or an identifier ' |
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. 'for internally pre-defined namespace UUIDs (currently known ' |
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. 'are "ns:DNS", "ns:URL", "ns:OID", and "ns:X500").' |
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) |
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->addArgument( |
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'name', |
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InputArgument::OPTIONAL, |
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'For version 3 or 5 UUIDs, the name to create a UUID for. ' |
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. 'The name is a string of arbitrary length.' |
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) |
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->addOption( |
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'count', |
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'c', |
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InputOption::VALUE_REQUIRED, |
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'Generate count UUIDs instead of just a single one.', |
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1 |
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) |
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->addOption( |
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'comb', |
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null, |
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InputOption::VALUE_NONE, |
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'For version 4 UUIDs, uses the COMB strategy to generate the random data.' |
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) |
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->addOption( |
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'guid', |
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'g', |
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InputOption::VALUE_NONE, |
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'Returns a GUID formatted UUID.' |
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); |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$uuids = array(); |
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$count = filter_var( |
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$input->getOption('count'), |
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FILTER_VALIDATE_INT, |
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array( |
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'default' => 1, |
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'min_range' => 1, |
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) |
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); |
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if (((bool) $input->getOption('guid')) == true) { |
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$features = new FeatureSet(true); |
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Uuid::setFactory(new UuidFactory($features)); |
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} |
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if (((bool) $input->getOption('comb')) === true) { |
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Uuid::getFactory()->setRandomGenerator( |
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new CombGenerator( |
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Uuid::getFactory()->getRandomGenerator(), |
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Uuid::getFactory()->getNumberConverter() |
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) |
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); |
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} |
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for ($i = 0; $i < $count; $i++) { |
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$uuids[] = $this->createUuid( |
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$input->getArgument('version'), |
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$input->getArgument('namespace'), |
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$input->getArgument('name') |
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); |
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} |
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foreach ($uuids as $uuid) { |
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$output->writeln((string) $uuid); |
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} |
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} |
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/** |
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* Creates the requested UUID |
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* |
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* @param int $version |
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* @param string $namespace |
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* @param string $name |
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* @return Uuid |
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*/ |
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protected function createUuid($version, $namespace = null, $name = null) |
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{ |
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switch ((int) $version) { |
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case 1: |
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$uuid = Uuid::uuid1(); |
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break; |
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case 4: |
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$uuid = Uuid::uuid4(); |
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break; |
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case 3: |
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case 5: |
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$ns = $this->validateNamespace($namespace); |
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if ($version == 3) { |
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$uuid = Uuid::uuid3($ns, $name); |
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} else { |
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$uuid = Uuid::uuid5($ns, $name); |
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} |
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break; |
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default: |
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throw new Exception('Invalid UUID version. Supported are version "1", "3", "4", and "5".'); |
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} |
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return $uuid; |
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} |
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/** |
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* Validates the namespace argument |
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* |
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* @param string $namespace |
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* @return string The namespace, if valid |
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* @throws Exception |
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*/ |
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protected function validateNamespace($namespace) |
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{ |
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switch ($namespace) { |
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case 'ns:DNS': |
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return Uuid::NAMESPACE_DNS; |
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break; |
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case 'ns:URL': |
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return Uuid::NAMESPACE_URL; |
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break; |
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case 'ns:OID': |
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return Uuid::NAMESPACE_OID; |
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break; |
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case 'ns:X500': |
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return Uuid::NAMESPACE_X500; |
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break; |
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} |
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if (Uuid::isValid($namespace)) { |
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return $namespace; |
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} |
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throw new Exception( |
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'Invalid namespace. ' |
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. 'May be either a UUID in string representation or an identifier ' |
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. 'for internally pre-defined namespace UUIDs (currently known ' |
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. 'are "ns:DNS", "ns:URL", "ns:OID", and "ns:X500").' |
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); |
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} |
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} |
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The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.