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<?php |
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/** |
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* UamAccessHandler.class.php |
| 4 |
* |
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* The UamUserGroup class file. |
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* |
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* PHP versions 5 |
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* |
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* @category UserAccessManager |
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* @package UserAccessManager |
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* @author Alexander Schneider <alexanderschneider85@googlemail.com> |
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* @copyright 2008-2010 Alexander Schneider |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 |
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* @version SVN: $Id$ |
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* @link http://wordpress.org/extend/plugins/user-access-manager/ |
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*/ |
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|
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/** |
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* The access handler class. |
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* |
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* @category UserAccessManager |
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* @package UserAccessManager |
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* @author Alexander Schneider <alexanderschneider85@gmail.com> |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 |
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* @link http://wordpress.org/extend/plugins/user-access-manager/ |
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*/ |
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|
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class UamAccessHandler |
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{ |
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protected $userAccessManager = null; |
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protected $postUserGroups = array(); |
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protected $categoryUserGroups = array(); |
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protected $userUserGroups = array(); |
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protected $postAccess = array(); |
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protected $categroyAccess = array(); |
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protected $userGroups = array( |
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'filtered' => array(), |
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'noneFiltered' => array(), |
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); |
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|
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/** |
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* The consturctor |
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* |
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* @param object &$userAccessManager The user access manager object. |
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* |
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* @return null |
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*/ |
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function __construct(&$userAccessManager) |
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{ |
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$this->userAccessManager = $userAccessManager; |
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} |
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|
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/** |
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* Returns the user access manager object. |
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* |
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* @return object |
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*/ |
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function &getUserAccessManager() |
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{ |
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return $this->userAccessManager; |
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} |
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|
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/** |
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* Filter the user groups of an object if authors_can_add_posts_to_groups |
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* option is enabled |
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* |
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* @param array $userGroups The user groups. |
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* |
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* @return array |
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*/ |
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private function _filterUserGroups($userGroups) |
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{ |
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$uamOptions = $this->getUserAccessManager()->getAdminOptions(); |
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|
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if ($uamOptions['authors_can_add_posts_to_groups'] == 'true' |
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&& !$this->checkUserAccess() |
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&& $this->getUserAccessManager()->atAdminPanel |
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) { |
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global $current_user; |
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|
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$userGroupsForUser |
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= $this->getUserGroupsForUser($current_user->ID); |
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|
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foreach ($userGroups as $key => $uamUserGroup) { |
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if (!array_key_exists($uamUserGroup->getId(), $userGroupsForUser)) { |
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unset($userGroups[$key]); |
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} |
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} |
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} |
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|
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return $userGroups; |
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} |
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|
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/** |
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* Returns all user groups or one requested by the user group id. |
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* |
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* @param integer $userGroupId The id of the single user group |
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* which should be returned. |
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* @param boolean $filter Filter the groups. |
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* |
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* @return array|object |
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*/ |
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function getUserGroups($userGroupId = null, $filter = true) |
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{ |
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if ($filter) { |
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$filterAttr = 'filtered'; |
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} else { |
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$filterAttr = 'noneFiltered'; |
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} |
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|
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if ($userGroupId == null |
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&& $this->userGroups[$filterAttr] != array() |
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) { |
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return $this->userGroups[$filterAttr]; |
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} elseif ($userGroupId != null |
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&& $this->userGroups[$filterAttr] != array() |
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) { |
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if (isset($this->userGroups[$filterAttr][$userGroupId])) { |
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return $this->userGroups[$filterAttr][$userGroupId]; |
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} else { |
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return null; |
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} |
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} |
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|
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$this->userGroups[$filterAttr] = array(); |
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|
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global $wpdb; |
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|
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$userGroupsDb = $wpdb->get_results( |
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"SELECT ID |
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FROM " . DB_ACCESSGROUP . " |
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ORDER BY ID", ARRAY_A |
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); |
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|
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if (isset($userGroupsDb)) { |
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foreach ($userGroupsDb as $userGroupDb) { |
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$this->userGroups[$filterAttr][$userGroupDb['ID']] |
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= new UamUserGroup(&$this, $userGroupDb['ID']); |
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} |
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} |
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|
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//Filter the user groups |
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if ($filter) { |
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$this->userGroups[$filterAttr] |
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= $this->_filterUserGroups($this->userGroups[$filterAttr]); |
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} |
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|
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if ($userGroupId == null) { |
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return $this->userGroups[$filterAttr]; |
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} elseif ($userGroupId != null) { |
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if (isset($this->userGroups[$filterAttr][$userGroupId])) { |
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return $this->userGroups[$filterAttr][$userGroupId]; |
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} else { |
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return null; |
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} |
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} |
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} |
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|
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/** |
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* Adds a user group. |
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* |
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* @param object $userGroup The user group which we want to add. |
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* |
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* @return null |
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*/ |
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function addUserGroup($userGroup) |
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{ |
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$this->getUserGroups(); |
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$this->userGroups[$userGroup->getId()] = $userGroup; |
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} |
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|
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/** |
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* Deletes a user group. |
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* |
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* @param integer $userGroupId The user group id which we want to delete. |
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* |
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* @return null |
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*/ |
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function deleteUserGroup($userGroupId) |
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{ |
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if ($this->getUserGroups($userGroupId) != null) { |
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$this->getUserGroups($userGroupId)->delete(); |
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unset($this->userGroups[$userGroupId]); |
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} |
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} |
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|
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/** |
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* Returns the user groups for the given object. |
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* |
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* @param integer $objectId The id of the object. |
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* @param string $type The type for what we want the groups. |
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* @param boolean $filter Filter the groups. |
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* |
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* @return array |
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*/ |
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private function _getUserGroupsForObject($objectId, $type, $filter = true) |
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{ |
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$objectUserGroups = array(); |
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|
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$userGroups = $this->getUserGroups(null, $filter); |
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|
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if (isset($userGroups)) { |
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foreach ($userGroups as $userGroup) { |
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$objectMembership = $userGroup->{$type.'IsMember'}($objectId, true); |
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|
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if ($objectMembership !== false) { |
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if (isset($objectMembership['byPost']) |
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|| isset($objectMembership['byCategory']) |
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|| isset($objectMembership['byRole']) |
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) { |
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$userGroup->setRecursive[$objectId] = $objectMembership; |
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} |
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|
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$objectUserGroups[$userGroup->getId()] |
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= $userGroup; |
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} |
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} |
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} |
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|
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//Filter the user groups |
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if ($filter) { |
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$objectUserGroups = $this->_filterUserGroups($objectUserGroups); |
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} |
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|
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return $objectUserGroups; |
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} |
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|
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/** |
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* Returns the user groups of the given post. |
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* |
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* @param integer $postId The id of the post from which we want the groups. |
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* @param boolean $filter Filter the groups. |
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* |
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* @return array |
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*/ |
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function getUserGroupsForPost($postId, $filter = true) |
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{ |
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if ($filter) { |
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$filterAttr = 'filtered'; |
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} else { |
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$filterAttr = 'noneFiltered'; |
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} |
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|
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if (isset($this->postUserGroups[$filterAttr][$postId])) { |
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return $this->postUserGroups[$filterAttr][$postId]; |
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} |
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|
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$this->postUserGroups[$filterAttr][$postId] |
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= $this->_getUserGroupsForObject($postId, 'post', $filter); |
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|
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return $this->postUserGroups[$filterAttr][$postId]; |
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} |
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|
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/** |
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* Returns the user groups of the given category. |
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* |
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* @param integer $categoryId The id of the category from which |
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* we want the groups. |
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* @param boolean $filter Filter the groups. |
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* |
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* @return array |
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*/ |
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function getUserGroupsForCategory($categoryId, $filter = true) |
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{ |
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if ($filter) { |
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$filterAttr = 'filtered'; |
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} else { |
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$filterAttr = 'noneFiltered'; |
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} |
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|
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if (isset($this->categoryUserGroups[$filterAttr][$categoryId])) { |
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return $this->categoryUserGroups[$filterAttr][$categoryId]; |
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} |
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|
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$this->categoryUserGroups[$filterAttr][$categoryId] |
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= $this->_getUserGroupsForObject($categoryId, 'category', $filter); |
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|
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return $this->categoryUserGroups[$filterAttr][$categoryId]; |
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} |
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|
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/** |
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* Returns the user groups of the given user. |
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* |
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* @param integer $userId The id of the user from which we want the groups. |
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* |
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* @return array |
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*/ |
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function getUserGroupsForUser($userId) |
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{ |
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if (isset($this->userUserGroups[$userId])) { |
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return $this->userUserGroups[$userId]; |
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} |
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|
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$this->userUserGroups[$userId] |
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= $this->_getUserGroupsForObject($userId, 'user', false); |
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|
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return $this->userUserGroups[$userId]; |
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} |
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|
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/** |
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* Checks if the current_user has access to the given post. |
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* |
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* @param integer $objectId The id of the object. |
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* @param array $membership The group membership for the object. |
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* @param string $type The object type which should be checked. |
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* |
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* @return boolean |
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*/ |
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private function _checkAccess($objectId, $membership, $type = null) |
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{ |
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global $current_user; |
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|
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$uamOptions = $this->getUserAccessManager()->getAdminOptions(); |
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|
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if ($type == 'post') { |
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$post = get_post($objectId); |
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$authorId = $post->post_author; |
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} else { |
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$authorId = -1; |
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} |
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|
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if ($membership == array() |
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|| $this->checkUserAccess() |
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|| $current_user->ID == $authorId |
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&& $uamOptions['authors_has_access_to_own'] == 'true' |
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) { |
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return true; |
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} |
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|
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$curIp = explode(".", $_SERVER['REMOTE_ADDR']); |
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|
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foreach ($membership as $key => $userGroup) { |
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if ($this->checkUserIp($curIp, $userGroup->getIpRange()) |
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|| $userGroup->userIsMember($current_user->ID) |
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) { |
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return true; |
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} |
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|
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if ($this->getUserAccessManager()->atAdminPanel |
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&& $userGroup->getWriteAccess() == 'all' |
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|| !$this->getUserAccessManager()->atAdminPanel |
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&& $userGroup->getReadAccess() == 'all' |
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) { |
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unset($membership[$key]); |
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} |
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} |
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|
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if ($membership == array()) { |
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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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/** |
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* Checks if the current_user has access to the given post. |
| 357 |
* |
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* @param integer $postId The id of the post which we want to check. |
| 359 |
* |
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* @return boolean |
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*/ |
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function checkAccess($postId) |
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{ |
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if (isset($this->postAccess[$postId])) { |
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return $this->postAccess[$postId]; |
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} |
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|
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$postMembership = $this->getUserGroupsForPost($postId, false); |
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|
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$this->postAccess[$postId] |
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= $this->_checkAccess($postId, $postMembership, 'post'); |
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|
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return $this->postAccess[$postId]; |
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} |
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|
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/** |
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* Checks if the current_user has access to the given category. |
| 378 |
* |
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* @param integer $categoryId The id of the category which we want to check. |
| 380 |
* |
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* @return boolean |
| 382 |
*/ |
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function checkCategoryAccess($categoryId) |
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{ |
| 385 |
if (isset($this->categroyAccess[$categoryId])) { |
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return $this->categroyAccess[$categoryId]; |
| 387 |
} |
| 388 |
|
| 389 |
$categoryMembership = $this->getUserGroupsForCategory($categoryId, false); |
| 390 |
|
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$this->categroyAccess[$categoryId] |
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= $this->_checkAccess($categoryId, $categoryMembership); |
| 393 |
|
| 394 |
return $this->categroyAccess[$categoryId]; |
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} |
| 396 |
|
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/** |
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* Checks if the given ip matches with the range. |
| 399 |
* |
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* @param string $curIp The ip of the current user. |
| 401 |
* @param array $ipRanges The ip ranges. |
| 402 |
* |
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* @return boolean |
| 404 |
*/ |
| 405 |
function checkUserIp($curIp, $ipRanges) |
| 406 |
{ |
| 407 |
if (isset($ipRanges)) { |
| 408 |
foreach ($ipRanges as $ipRange) { |
| 409 |
$ipRange = explode("-", $ipRange); |
| 410 |
$rangeBegin = explode(".", $ipRange[0]); |
| 411 |
|
| 412 |
if (isset($ipRange[1])) { |
| 413 |
$rangeEnd = explode(".", $ipRange[1]); |
| 414 |
} else { |
| 415 |
$rangeEnd = explode(".", $ipRange[0]); |
| 416 |
} |
| 417 |
|
| 418 |
if ($rangeBegin[0] <= $curIp[0] |
| 419 |
&& $curIp[0] <= $rangeEnd[0] |
| 420 |
&& $rangeBegin[1] <= $curIp[1] |
| 421 |
&& $curIp[1] <= $rangeEnd[1] |
| 422 |
&& $rangeBegin[2] <= $curIp[2] |
| 423 |
&& $curIp[2] <= $rangeEnd[2] |
| 424 |
&& $rangeBegin[3] <= $curIp[3] |
| 425 |
&& $curIp[3] <= $rangeEnd[3] |
| 426 |
) { |
| 427 |
return true; |
| 428 |
} |
| 429 |
} |
| 430 |
} |
| 431 |
|
| 432 |
return false; |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Checks the user access by user level. |
| 437 |
* |
| 438 |
* @return boolean |
| 439 |
*/ |
| 440 |
function checkUserAccess() |
| 441 |
{ |
| 442 |
global $current_user, $wpdb; |
| 443 |
|
| 444 |
$uamOptions = $this->getUserAccessManager()->getAdminOptions(); |
| 445 |
$curUserdata = get_userdata($current_user->ID); |
| 446 |
|
| 447 |
if (!isset($curUserdata->user_level)) { |
| 448 |
$curUserdata->user_level = null; |
| 449 |
} |
| 450 |
|
| 451 |
if (isset($curUserdata->{$wpdb->prefix . "capabilities"})) { |
| 452 |
$capabilities = $curUserdata->{$wpdb->prefix . "capabilities"}; |
| 453 |
} else { |
| 454 |
$capabilities = null; |
| 455 |
} |
| 456 |
|
| 457 |
$role = is_array($capabilities) ? |
| 458 |
array_keys($capabilities) : 'norole'; |
| 459 |
$role = trim($role[0]); |
| 460 |
|
| 461 |
$orderedRoles = $this->getRolesOrdered(); |
| 462 |
|
| 463 |
if ($orderedRoles[$role] >= $orderedRoles[$uamOptions['full_access_role']] |
| 464 |
|| $role == 'administrator' |
| 465 |
) { |
| 466 |
return true; |
| 467 |
} |
| 468 |
|
| 469 |
return false; |
| 470 |
} |
| 471 |
|
| 472 |
/** |
| 473 |
* Returns the roles as assoziative array. |
| 474 |
* |
| 475 |
* @return array |
| 476 |
*/ |
| 477 |
function getRolesOrdered() |
| 478 |
{ |
| 479 |
$orderedRoles = array( |
| 480 |
'norole' => 0, |
| 481 |
'subscriber' => 1, |
| 482 |
'contributor' => 2, |
| 483 |
'author' => 3, |
| 484 |
'editor' => 4, |
| 485 |
'administrator' => 5 |
| 486 |
); |
| 487 |
|
| 488 |
return $orderedRoles; |
| 489 |
} |
| 490 |
} |
