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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Acl; |
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use Ecodev\Felix\Acl\Assertion\NamedAssertion; |
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use Laminas\Permissions\Acl\Assertion\AssertionInterface; |
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use Laminas\Permissions\Acl\Assertion\CallbackAssertion; |
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use Laminas\Permissions\Acl\Resource\ResourceInterface; |
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use Laminas\Permissions\Acl\Role\RoleInterface; |
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/** |
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* Debug ACL is used to mirror normal ACL but with assertions configured but disabled. This allows |
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* to query the entire ACL configuration, including configured assertions, while still leveraging |
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* the complex underlying logic of Laminas ACL. |
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* |
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* @internal |
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*/ |
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final class DebugAcl extends \Laminas\Permissions\Acl\Acl |
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{ |
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/** |
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* @var string[] |
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*/ |
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private array $usedAllowAssertions = []; |
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/** |
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* @var string[] |
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*/ |
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private array $usedDenyAssertions = []; |
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/** |
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* @var array<null|string> All possible privileges |
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*/ |
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private array $privileges = []; |
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private function wrapAssertion(?AssertionInterface $assert, bool $isAllow): ?AssertionInterface |
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{ |
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if (!$assert) { |
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return null; |
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} |
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return new CallbackAssertion(function () use ($assert, $isAllow) { |
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$name = $assert instanceof NamedAssertion ? $assert->getName() : 'unnamed assertion ' . $assert::class; |
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if ($isAllow) { |
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$this->usedAllowAssertions[] = $name; |
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} else { |
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$this->usedDenyAssertions[] = $name; |
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} |
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// hardcode response so other assertions from other roles are executed too |
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return !$isAllow; |
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}); |
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} |
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public function allow($roles = null, $resources = null, $privileges = null, ?AssertionInterface $assert = null) |
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{ |
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$this->storePrivileges($privileges); |
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$assert = $this->wrapAssertion($assert, true); |
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return parent::allow($roles, $resources, $privileges, $assert); |
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} |
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public function deny($roles = null, $resources = null, $privileges = null, ?AssertionInterface $assert = null) |
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{ |
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$this->storePrivileges($privileges); |
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$assert = $this->wrapAssertion($assert, false); |
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return parent::deny($roles, $resources, $privileges, $assert); |
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} |
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private function storePrivileges(null|string|array $privileges): void |
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{ |
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if (!is_array($privileges)) { |
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$privileges = [$privileges]; |
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} |
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$this->privileges = array_merge($this->privileges, $privileges); |
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} |
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/** |
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* @return array<null|string> |
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*/ |
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public function getPrivileges(): array |
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{ |
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// Keep most common privileges at the beginning, for convenience |
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$mostCommon = [ |
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null, |
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'create', |
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'read', |
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'update', |
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'index', |
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'view', |
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'edit', |
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'add', |
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'delete', |
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'deleteAll', |
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]; |
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$mostCommonThatExists = array_unique(array_intersect($mostCommon, $this->privileges)); |
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$result = array_unique(array_diff($this->privileges, $mostCommonThatExists)); |
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sort($result); |
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$result = array_merge($mostCommonThatExists, $result); |
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return $result; |
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} |
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/** |
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* Override parent to provide compatibility with MultipleRoles. |
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* |
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* @param RoleInterface|string $role |
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* @param ResourceInterface|string $resource |
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* @param string $privilege |
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*/ |
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public function isAllowed($role = null, $resource = null, $privilege = null): bool |
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{ |
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$this->usedAllowAssertions = []; |
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$this->usedDenyAssertions = []; |
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// Normalize roles |
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if ($role instanceof MultipleRoles) { |
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$roles = $role->getRoles(); |
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} else { |
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$roles = [$role]; |
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} |
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// If at least one role is allowed, then return early |
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foreach ($roles as $role) { |
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if (parent::isAllowed($role, $resource, $privilege)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Returns whether the privilege is allowed and the assertions that were used to determine that.s. |
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* |
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* @return array{privilege: null|string, allowed: bool, allowIf: string[], denyIf: string[]} |
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*/ |
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public function show(null|RoleInterface|string $role, null|ResourceInterface|string $resource, null|string $privilege): array |
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{ |
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$allowed = $this->isAllowed($role, $resource, $privilege); |
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sort($this->usedAllowAssertions); |
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sort($this->usedDenyAssertions); |
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return [ |
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'privilege' => $privilege, |
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'allowed' => $allowed, |
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'allowIf' => array_unique($this->usedAllowAssertions), |
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'denyIf' => array_unique($this->usedDenyAssertions), |
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]; |
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} |
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} |
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Ecodev /
felix
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