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52 lines
2.2 KiB
PHP
52 lines
2.2 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Permissions\Acl;
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interface AclInterface
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{
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/**
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* Returns true if and only if the Resource exists in the ACL
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*
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* The $resource parameter can either be a Resource or a Resource identifier.
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*
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* @param Resource\ResourceInterface|string $resource
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* @return bool
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*/
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public function hasResource($resource);
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/**
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* Returns true if and only if the Role has access to the Resource
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*
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* The $role and $resource parameters may be references to, or the string identifiers for,
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* an existing Resource and Role combination.
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*
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* If either $role or $resource is null, then the query applies to all Roles or all Resources,
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* respectively. Both may be null to query whether the ACL has a "blacklist" rule
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* (allow everything to all). By default, Zend\Permissions\Acl creates a "whitelist" rule (deny
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* everything to all), and this method would return false unless this default has
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* been overridden (i.e., by executing $acl->allow()).
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*
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* If a $privilege is not provided, then this method returns false if and only if the
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* Role is denied access to at least one privilege upon the Resource. In other words, this
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* method returns true if and only if the Role is allowed all privileges on the Resource.
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*
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* This method checks Role inheritance using a depth-first traversal of the Role registry.
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* The highest priority parent (i.e., the parent most recently added) is checked first,
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* and its respective parents are checked similarly before the lower-priority parents of
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* the Role are checked.
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*
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* @param Role\RoleInterface|string $role
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* @param Resource\ResourceInterface|string $resource
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* @param string $privilege
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* @return bool
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*/
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public function isAllowed($role = null, $resource = null, $privilege = null);
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}
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