Esempio n. 1
0
 /**
  * Returns the rules associated with a Resource and a Role, or null if no such rules exist
  *
  * If either $resource or $role is null, this means that the rules returned are for all Resources or all Roles,
  * respectively. Both can be null to return the default rule set for all Resources and all Roles.
  *
  * If the $create parameter is true, then a rule set is first created and then returned to the caller.
  *
  * @param  K_Acl_Resource_Interface $resource
  * @param  K_Acl_Role_Interface     $role
  * @param  boolean                     $create
  * @return array|null
  */
 protected function &_getRules(K_Acl_Resource_Interface $resource = null, K_Acl_Role_Interface $role = null, $create = false)
 {
     // create a reference to null
     $null = null;
     $nullRef =& $null;
     // follow $resource
     do {
         if (null === $resource) {
             $visitor =& $this->_rules['allResources'];
             break;
         }
         $resourceId = $resource->getResourceId();
         if (!isset($this->_rules['byResourceId'][$resourceId])) {
             if (!$create) {
                 return $nullRef;
             }
             $this->_rules['byResourceId'][$resourceId] = array();
         }
         $visitor =& $this->_rules['byResourceId'][$resourceId];
     } while (false);
     // follow $role
     if (null === $role) {
         if (!isset($visitor['allRoles'])) {
             if (!$create) {
                 return $nullRef;
             }
             $visitor['allRoles']['byPrivilegeId'] = array();
         }
         return $visitor['allRoles'];
     }
     $roleId = $role->getRoleId();
     if (!isset($visitor['byRoleId'][$roleId])) {
         if (!$create) {
             return $nullRef;
         }
         $visitor['byRoleId'][$roleId]['byPrivilegeId'] = array();
         $visitor['byRoleId'][$roleId]['allPrivileges'] = array('type' => null, 'assert' => null);
     }
     return $visitor['byRoleId'][$roleId];
 }
Esempio n. 2
0
 /**
  * Returns true if and only if the Role exists in the registry
  *
  * The $role parameter can either be a Role or a Role identifier.
  *
  * @param  K_Acl_Role_Interface|string $role
  * @return boolean
  */
 public function has($role)
 {
     if ($role instanceof K_Acl_Role_Interface) {
         $roleId = $role->getRoleId();
     } else {
         $roleId = (string) $role;
     }
     return isset($this->_roles[$roleId]);
 }