100 lines
2.9 KiB
PHP
100 lines
2.9 KiB
PHP
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<?php
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namespace JMS\SecurityExtraBundle\Metadata\Driver;
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use JMS\SecurityExtraBundle\Security\Authorization\Expression\Expression;
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use JMS\SecurityExtraBundle\Metadata\MethodMetadata;
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use Symfony\Component\HttpKernel\Kernel;
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use JMS\SecurityExtraBundle\Metadata\ClassMetadata;
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use Metadata\Driver\DriverInterface;
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/**
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* Uses Symfony2 DI configuration for metadata.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ConfigDriver implements DriverInterface
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{
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private $bundles;
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private $config;
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public function __construct(array $bundles, array $config)
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{
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uasort($bundles, function($a, $b) {
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return strlen($b) - strlen($a);
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});
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foreach ($bundles as $name => $namespace) {
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$bundles[$name] = substr($namespace, 0, strrpos($namespace, '\\'));
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}
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$this->bundles = $bundles;
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$this->config = $config;
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}
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public function loadMetadataForClass(\ReflectionClass $class)
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{
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$metadata = new ClassMetadata($class->name);
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foreach ($class->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $method) {
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if ($method->getDeclaringClass()->name !== $class->name) {
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continue;
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}
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$expression = null;
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if (null !== $notation = $this->getControllerNotation($method)) {
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$expression = $this->getExpressionForSignature($notation);
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}
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if (null === $expression && null === $expression =
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$this->getExpressionForSignature($method->class.'::'.$method->name)) {
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continue;
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}
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$methodMetadata = new MethodMetadata($method->class, $method->name);
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$methodMetadata->roles = array(new Expression($expression));
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$metadata->addMethodMetadata($methodMetadata);
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}
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if (!$metadata->methodMetadata) {
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return null;
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}
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return $metadata;
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}
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private function getExpressionForSignature($signature)
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{
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foreach ($this->config as $pattern => $expr) {
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if (!preg_match('#'.$pattern.'#i', $signature)) {
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continue;
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}
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return $expr;
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}
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return null;
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}
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// TODO: Is it feasible to reverse-engineer the notation for service controllers?
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private function getControllerNotation(\ReflectionMethod $method)
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{
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$signature = $method->class.'::'.$method->name;
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// check if class is a controller
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if (0 === preg_match('#\\\\Controller\\\\([^\\\\]+)Controller::(.+)Action$#', $signature, $match)) {
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return null;
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}
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foreach ($this->bundles as $name => $namespace) {
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if (0 !== strpos($method->class, $namespace)) {
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continue;
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}
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// controller notation (AcmeBundle:Foo:foo)
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return $name.':'.$match[1].':'.$match[2];
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}
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return null;
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}
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}
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