201 lines
9.9 KiB
PHP
201 lines
9.9 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\HttpKernel\DependencyInjection;
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use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
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use Symfony\Component\DependencyInjection\ChildDefinition;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
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use Symfony\Component\DependencyInjection\ContainerAwareInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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use Symfony\Component\DependencyInjection\LazyProxy\ProxyHelper;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\TypedReference;
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use Symfony\Component\HttpFoundation\Request;
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/**
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* Creates the service-locators required by ServiceValueResolver.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class RegisterControllerArgumentLocatorsPass implements CompilerPassInterface
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{
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private $resolverServiceId;
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private $controllerTag;
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private $controllerLocator;
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private $notTaggedControllerResolverServiceId;
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public function __construct(string $resolverServiceId = 'argument_resolver.service', string $controllerTag = 'controller.service_arguments', string $controllerLocator = 'argument_resolver.controller_locator', string $notTaggedControllerResolverServiceId = 'argument_resolver.not_tagged_controller')
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{
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$this->resolverServiceId = $resolverServiceId;
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$this->controllerTag = $controllerTag;
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$this->controllerLocator = $controllerLocator;
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$this->notTaggedControllerResolverServiceId = $notTaggedControllerResolverServiceId;
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}
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public function process(ContainerBuilder $container)
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{
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if (false === $container->hasDefinition($this->resolverServiceId) && false === $container->hasDefinition($this->notTaggedControllerResolverServiceId)) {
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return;
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}
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$parameterBag = $container->getParameterBag();
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$controllers = [];
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foreach ($container->findTaggedServiceIds($this->controllerTag, true) as $id => $tags) {
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$def = $container->getDefinition($id);
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$def->setPublic(true);
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$class = $def->getClass();
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$autowire = $def->isAutowired();
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$bindings = $def->getBindings();
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// resolve service class, taking parent definitions into account
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while ($def instanceof ChildDefinition) {
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$def = $container->findDefinition($def->getParent());
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$class = $class ?: $def->getClass();
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$bindings += $def->getBindings();
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}
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$class = $parameterBag->resolveValue($class);
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if (!$r = $container->getReflectionClass($class)) {
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throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
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}
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$isContainerAware = $r->implementsInterface(ContainerAwareInterface::class) || is_subclass_of($class, AbstractController::class);
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// get regular public methods
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$methods = [];
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$arguments = [];
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foreach ($r->getMethods(\ReflectionMethod::IS_PUBLIC) as $r) {
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if ('setContainer' === $r->name && $isContainerAware) {
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continue;
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}
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if (!$r->isConstructor() && !$r->isDestructor() && !$r->isAbstract()) {
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$methods[strtolower($r->name)] = [$r, $r->getParameters()];
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}
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}
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// validate and collect explicit per-actions and per-arguments service references
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foreach ($tags as $attributes) {
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if (!isset($attributes['action']) && !isset($attributes['argument']) && !isset($attributes['id'])) {
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$autowire = true;
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continue;
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}
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foreach (['action', 'argument', 'id'] as $k) {
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if (!isset($attributes[$k][0])) {
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throw new InvalidArgumentException(sprintf('Missing "%s" attribute on tag "%s" %s for service "%s".', $k, $this->controllerTag, json_encode($attributes, JSON_UNESCAPED_UNICODE), $id));
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}
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}
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if (!isset($methods[$action = strtolower($attributes['action'])])) {
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throw new InvalidArgumentException(sprintf('Invalid "action" attribute on tag "%s" for service "%s": no public "%s()" method found on class "%s".', $this->controllerTag, $id, $attributes['action'], $class));
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}
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list($r, $parameters) = $methods[$action];
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$found = false;
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foreach ($parameters as $p) {
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if ($attributes['argument'] === $p->name) {
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if (!isset($arguments[$r->name][$p->name])) {
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$arguments[$r->name][$p->name] = $attributes['id'];
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}
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$found = true;
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break;
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}
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}
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if (!$found) {
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throw new InvalidArgumentException(sprintf('Invalid "%s" tag for service "%s": method "%s()" has no "%s" argument on class "%s".', $this->controllerTag, $id, $r->name, $attributes['argument'], $class));
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}
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}
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foreach ($methods as list($r, $parameters)) {
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/** @var \ReflectionMethod $r */
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// create a per-method map of argument-names to service/type-references
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$args = [];
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foreach ($parameters as $p) {
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/** @var \ReflectionParameter $p */
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$type = ltrim($target = ProxyHelper::getTypeHint($r, $p), '\\');
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$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
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if (isset($arguments[$r->name][$p->name])) {
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$target = $arguments[$r->name][$p->name];
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if ('?' !== $target[0]) {
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$invalidBehavior = ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE;
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} elseif ('' === $target = (string) substr($target, 1)) {
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throw new InvalidArgumentException(sprintf('A "%s" tag must have non-empty "id" attributes for service "%s".', $this->controllerTag, $id));
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} elseif ($p->allowsNull() && !$p->isOptional()) {
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$invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;
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}
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} elseif (isset($bindings[$bindingName = $type.' $'.$p->name]) || isset($bindings[$bindingName = '$'.$p->name]) || isset($bindings[$bindingName = $type])) {
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$binding = $bindings[$bindingName];
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list($bindingValue, $bindingId, , $bindingType, $bindingFile) = $binding->getValues();
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$binding->setValues([$bindingValue, $bindingId, true, $bindingType, $bindingFile]);
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if (!$bindingValue instanceof Reference) {
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$args[$p->name] = new Reference('.value.'.$container->hash($bindingValue));
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$container->register((string) $args[$p->name], 'mixed')
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->setFactory('current')
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->addArgument([$bindingValue]);
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} else {
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$args[$p->name] = $bindingValue;
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}
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continue;
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} elseif (!$type || !$autowire || '\\' !== $target[0]) {
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continue;
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} elseif (!$p->allowsNull()) {
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$invalidBehavior = ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE;
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}
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if (Request::class === $type) {
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continue;
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}
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if ($type && !$p->isOptional() && !$p->allowsNull() && !class_exists($type) && !interface_exists($type, false)) {
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$message = sprintf('Cannot determine controller argument for "%s::%s()": the $%s argument is type-hinted with the non-existent class or interface: "%s".', $class, $r->name, $p->name, $type);
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// see if the type-hint lives in the same namespace as the controller
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if (0 === strncmp($type, $class, strrpos($class, '\\'))) {
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$message .= ' Did you forget to add a use statement?';
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}
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throw new InvalidArgumentException($message);
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}
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$target = ltrim($target, '\\');
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$args[$p->name] = $type ? new TypedReference($target, $type, $invalidBehavior, $p->name) : new Reference($target, $invalidBehavior);
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}
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// register the maps as a per-method service-locators
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if ($args) {
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$controllers[$id.'::'.$r->name] = ServiceLocatorTagPass::register($container, $args);
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}
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}
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}
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$controllerLocatorRef = ServiceLocatorTagPass::register($container, $controllers);
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if ($container->hasDefinition($this->resolverServiceId)) {
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$container->getDefinition($this->resolverServiceId)
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->replaceArgument(0, $controllerLocatorRef);
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}
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if ($container->hasDefinition($this->notTaggedControllerResolverServiceId)) {
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$container->getDefinition($this->notTaggedControllerResolverServiceId)
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->replaceArgument(0, $controllerLocatorRef);
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}
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$container->setAlias($this->controllerLocator, (string) $controllerLocatorRef);
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}
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}
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