236 lines
12 KiB
PHP
236 lines
12 KiB
PHP
<?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\Component\DependencyInjection\Attribute\Autowire;
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use Symfony\Component\DependencyInjection\Attribute\AutowireCallable;
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use Symfony\Component\DependencyInjection\Attribute\Target;
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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\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\Reference;
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use Symfony\Component\DependencyInjection\TypedReference;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpFoundation\Session\SessionInterface;
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use Symfony\Component\VarExporter\ProxyHelper;
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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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public function process(ContainerBuilder $container): void
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{
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if (!$container->hasDefinition('argument_resolver.service') && !$container->hasDefinition('argument_resolver.not_tagged_controller')) {
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return;
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}
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$parameterBag = $container->getParameterBag();
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$controllers = [];
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$controllerClasses = [];
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$publicAliases = [];
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foreach ($container->getAliases() as $id => $alias) {
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if ($alias->isPublic() && !$alias->isPrivate()) {
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$publicAliases[(string) $alias][] = $id;
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}
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}
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foreach ($container->findTaggedServiceIds('controller.service_arguments', true) as $id => $tags) {
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$def = $container->getDefinition($id);
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$def->setPublic(true);
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$def->setLazy(false);
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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, $id));
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}
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$controllerClasses[] = $class;
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// get regular public methods
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$methods = [];
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$arguments = [];
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foreach ($r->getMethods(\ReflectionMethod::IS_PUBLIC) as $r) {
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if ('setContainer' === $r->name) {
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continue;
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}
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if (!$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 "controller.service_arguments" %s for service "%s".', $k, json_encode($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 "controller.service_arguments" for service "%s": no public "%s()" method found on class "%s".', $id, $attributes['action'], $class));
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}
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[$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 "controller.service_arguments" tag for service "%s": method "%s()" has no "%s" argument on class "%s".', $id, $r->name, $attributes['argument'], $class));
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}
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}
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foreach ($methods as [$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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$erroredIds = 0;
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foreach ($parameters as $p) {
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/** @var \ReflectionParameter $p */
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$type = preg_replace('/(^|[(|&])\\\\/', '\1', $target = ltrim(ProxyHelper::exportType($p) ?? '', '?'));
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$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
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$autowireAttributes = null;
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$parsedName = $p->name;
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$k = null;
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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 ('' === $target = substr($target, 1)) {
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throw new InvalidArgumentException(\sprintf('A "controller.service_arguments" tag must have non-empty "id" attributes for service "%s".', $id));
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} elseif ($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.' $'.$name = Target::parseName($p, $k, $parsedName)])
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|| isset($bindings[$bindingName = $type.' $'.$parsedName])
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|| isset($bindings[$bindingName = '$'.$name])
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|| isset($bindings[$bindingName = $type])
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) {
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$binding = $bindings[$bindingName];
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[$bindingValue, $bindingId, , $bindingType, $bindingFile] = $binding->getValues();
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$binding->setValues([$bindingValue, $bindingId, true, $bindingType, $bindingFile]);
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$args[$p->name] = $bindingValue;
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continue;
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} elseif (!$autowire || (!($autowireAttributes = $p->getAttributes(Autowire::class, \ReflectionAttribute::IS_INSTANCEOF)) && (!$type || '\\' !== $target[0]))) {
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continue;
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} elseif (!$autowireAttributes && is_subclass_of($type, \UnitEnum::class)) {
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// do not attempt to register enum typed arguments if not already present in bindings
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continue;
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} elseif (!$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 || SessionInterface::class === $type || Response::class === $type) {
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continue;
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}
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if ($autowireAttributes) {
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$attribute = $autowireAttributes[0]->newInstance();
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$value = $parameterBag->resolveValue($attribute->value);
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if ($attribute instanceof AutowireCallable) {
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$args[$p->name] = $attribute->buildDefinition($value, $type, $p);
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} elseif ($value instanceof Reference) {
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$args[$p->name] = $type ? new TypedReference($value, $type, $invalidBehavior, $p->name) : new Reference($value, $invalidBehavior);
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} else {
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$args[$p->name] = new Reference('.value.'.$container->hash($value));
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$container->register((string) $args[$p->name], 'mixed')
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->setFactory('current')
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->addArgument([$value]);
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}
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continue;
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}
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if ($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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$message .= ' Did you forget to add a use statement?';
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}
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$container->register($erroredId = '.errored.'.$container->hash($message), $type)
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->addError($message);
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$args[$p->name] = new Reference($erroredId, ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE);
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++$erroredIds;
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} else {
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$target = preg_replace('/(^|[(|&])\\\\/', '\1', $target);
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$args[$p->name] = $type ? new TypedReference($target, $type, $invalidBehavior, Target::parseName($p)) : new Reference($target, $invalidBehavior);
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}
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}
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// register the maps as a per-method service-locators
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if ($args) {
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$controllers[$id.'::'.$r->name] = ServiceLocatorTagPass::register($container, $args, \count($args) !== $erroredIds ? $id.'::'.$r->name.'()' : null);
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foreach ($publicAliases[$id] ?? [] as $alias) {
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$controllers[$alias.'::'.$r->name] = clone $controllers[$id.'::'.$r->name];
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}
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}
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}
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}
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$controllerLocatorRef = ServiceLocatorTagPass::register($container, $controllers);
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if ($container->hasDefinition('argument_resolver.service')) {
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$container->getDefinition('argument_resolver.service')
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->replaceArgument(0, $controllerLocatorRef);
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}
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if ($container->hasDefinition('argument_resolver.not_tagged_controller')) {
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$container->getDefinition('argument_resolver.not_tagged_controller')
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->replaceArgument(0, $controllerLocatorRef);
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}
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$container->setAlias('argument_resolver.controller_locator', (string) $controllerLocatorRef);
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if ($container->hasDefinition('controller_resolver')) {
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$container->getDefinition('controller_resolver')
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->addMethodCall('allowControllers', [array_unique($controllerClasses)]);
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}
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}
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}
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