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efrain |
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<?php
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namespace Aws\Script\Composer;
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use Composer\Script\Event;
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use Symfony\Component\Filesystem\Filesystem;
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class Composer
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{
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public static function removeUnusedServices(
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Event $event,
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Filesystem $filesystem = null
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)
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{
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$composer = $event->getComposer();
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$extra = $composer->getPackage()->getExtra();
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$listedServices = isset($extra['aws/aws-sdk-php'])
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? $extra['aws/aws-sdk-php']
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: [];
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if ($listedServices) {
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$serviceMapping = self::buildServiceMapping();
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self::verifyListedServices($serviceMapping, $listedServices);
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$filesystem = $filesystem ?: new Filesystem();
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$vendorPath = $composer->getConfig()->get('vendor-dir');
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self::removeServiceDirs(
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$event,
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$filesystem,
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$serviceMapping,
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$listedServices,
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$vendorPath
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);
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} else {
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throw new \InvalidArgumentException(
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'There are no services listed. Did you intend to use this script?'
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);
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}
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}
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public static function buildServiceMapping()
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{
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$serviceMapping = [];
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$manifest = require(__DIR__ . '/../../data/manifest.json.php');
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foreach ($manifest as $service => $attributes) {
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$serviceMapping[$attributes['namespace']] = $service;
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}
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return $serviceMapping;
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}
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private static function verifyListedServices($serviceMapping, $listedServices)
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{
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foreach ($listedServices as $serviceToKeep) {
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if (!isset($serviceMapping[$serviceToKeep])) {
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throw new \InvalidArgumentException(
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"'$serviceToKeep' is not a valid AWS service namespace. Please check spelling and casing."
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);
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}
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}
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}
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private static function removeServiceDirs(
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$event,
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$filesystem,
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$serviceMapping,
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$listedServices,
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$vendorPath
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) {
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$unsafeForDeletion = ['Kms', 'S3', 'SSO', 'SSOOIDC', 'Sts'];
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if (in_array('DynamoDbStreams', $listedServices)) {
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$unsafeForDeletion[] = 'DynamoDb';
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}
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$clientPath = $vendorPath . '/aws/aws-sdk-php/src/';
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$modelPath = $clientPath . 'data/';
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$deleteCount = 0;
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foreach ($serviceMapping as $clientName => $modelName) {
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if (!in_array($clientName, $listedServices) &&
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!in_array($clientName, $unsafeForDeletion)
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) {
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$clientDir = $clientPath . $clientName;
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$modelDir = $modelPath . $modelName;
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if ($filesystem->exists([$clientDir, $modelDir])) {
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$filesystem->remove([$clientDir, $modelDir]);;
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$deleteCount++;
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}
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}
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}
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$event->getIO()->write(
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"Removed $deleteCount AWS service" . ($deleteCount === 1 ? '' : 's')
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);
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}
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}
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