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<?php |
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/** |
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* Functions to support the permissions controller |
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* |
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* @name ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause |
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* |
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* @version 2.0 dev |
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*/ |
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class Permissions |
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{ |
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private $db; |
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/** |
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* @var array |
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*/ |
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protected $reserved_permissions = array( |
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'admin_forum', |
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'manage_membergroups', |
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'manage_permissions', |
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); |
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/** |
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* @var string[] |
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*/ |
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private $illegal_permissions = array(); |
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/** |
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* @var array |
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*/ |
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protected $illegal_guest_permissions = array( |
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'delete_replies', |
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'karma_edit', |
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'poll_add_own', |
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'pm_read', |
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'pm_send', |
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'profile_identity', |
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'profile_extra', |
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'profile_title', |
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'profile_remove', |
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'profile_set_avatar', |
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'profile_view_own', |
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'mark_any_notify', |
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'mark_notify', |
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'admin_forum', |
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'manage_boards', |
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'manage_attachments', |
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'manage_smileys', |
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'edit_news', |
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'access_mod_center', |
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'moderate_forum', |
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'issue_warning', |
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'manage_membergroups', |
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'manage_permissions', |
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'manage_bans', |
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'move_own', |
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'modify_replies', |
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'send_mail', |
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'approve_posts', |
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'postby_email', |
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'approve_emails', |
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'like_posts', |
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); |
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/** |
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* Load a few illegal permissions into context. |
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* |
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* Calls hook: integrate_load_illegal_permissions |
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*/ |
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public function __construct() |
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{ |
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$this->db = database(); |
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$this->loadIllegal(); |
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$this->loadIllegalGuest(); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getIllegalPermissions() |
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{ |
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return $this->illegal_permissions; |
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} |
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/** |
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* @return array |
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*/ |
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public function getIllegalGuestPermissions() |
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{ |
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return $this->illegal_guest_permissions; |
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} |
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/** |
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* @return array |
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*/ |
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public function loadIllegal() |
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{ |
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global $context; |
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$illegal_permissions = array(); |
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foreach ($this->reserved_permissions as $illegal_permission) |
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{ |
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if (!allowedTo($illegal_permission)) |
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{ |
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$illegal_permissions[] = $illegal_permission; |
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} |
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} |
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$context['illegal_permissions'] = $illegal_permissions; |
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call_integration_hook('integrate_load_illegal_permissions'); |
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$this->illegal_permissions = $illegal_permissions; |
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} |
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/** |
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* Loads those permissions guests cannot have, into context. |
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* |
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* @return array |
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*/ |
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public function loadIllegalGuest() |
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{ |
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global $context; |
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$context['non_guest_permissions'] = $this->illegal_guest_permissions; |
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call_integration_hook('integrate_load_illegal_guest_permissions'); |
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return $this->illegal_guest_permissions; |
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} |
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/** |
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* Deletes permissions. |
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* |
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* @param string[] $permissions |
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* @param string[] $where |
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* @param mixed[] $where_parameters = array() or values used in the where statement |
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*/ |
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public function deletePermissions($permissions, $where = array(), $where_parameters = array()) |
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{ |
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if (count($this->illegal_permissions) > 0) |
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{ |
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$where[] = 'permission NOT IN ({array_string:illegal_permissions})'; |
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$where_parameters['illegal_permissions'] = $this->illegal_permissions; |
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} |
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$where[] = 'permission IN ({array_string:permissions})'; |
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$where_parameters['permissions'] = $permissions; |
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$this->db->query('', ' |
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DELETE FROM {db_prefix}permissions |
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WHERE ' . implode(' AND ', $where), |
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$where_parameters |
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); |
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} |
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/** |
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* This function updates the permissions of any groups based on the given groups. |
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* |
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* @param mixed[]|int $parents (array or int) group or groups whose children are to be updated |
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* @param int|null $profile = null an int or null for the customized profile, if any |
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*/ |
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public function updateChild($parents, $profile = null) |
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{ |
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// All the parent groups to sort out. |
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if (!is_array($parents)) |
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{ |
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$parents = array($parents); |
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} |
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// Find all the children of this group. |
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$request = $this->db->query('', ' |
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SELECT id_parent, id_group |
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FROM {db_prefix}membergroups |
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WHERE id_parent != {int:not_inherited} |
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' . (empty($parents) ? '' : 'AND id_parent IN ({array_int:parent_list})'), |
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array( |
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'parent_list' => $parents, |
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'not_inherited' => -2, |
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) |
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); |
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$children = array(); |
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$parents = array(); |
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$child_groups = array(); |
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while ($row = $this->db->fetch_assoc($request)) |
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{ |
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$children[$row['id_parent']][] = $row['id_group']; |
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$child_groups[] = $row['id_group']; |
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$parents[] = $row['id_parent']; |
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} |
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$this->db->free_result($request); |
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$parents = array_unique($parents); |
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// Not a sausage, or a child? |
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if (empty($children)) |
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{ |
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return false; |
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} |
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// Need functions that modify permissions... |
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require_once(SUBSDIR . '/ManagePermissions.subs.php'); |
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// First off, are we doing general permissions? |
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if ($profile < 1 || $profile === null) |
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{ |
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// Fetch all the parent permissions. |
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$request = $this->db->query('', ' |
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SELECT id_group, permission, add_deny |
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FROM {db_prefix}permissions |
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WHERE id_group IN ({array_int:parent_list})', |
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array( |
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'parent_list' => $parents, |
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) |
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); |
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$permissions = array(); |
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View Code Duplication |
while ($row = $this->db->fetch_assoc($request)) |
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{ |
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foreach ($children[$row['id_group']] as $child) |
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{ |
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$permissions[] = array( |
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'id_group' => (int) $child, |
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'permission' => $row['permission'], |
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'add_deny' => $row['add_deny'], |
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); |
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} |
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} |
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$this->db->free_result($request); |
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$this->db->query('', ' |
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DELETE FROM {db_prefix}permissions |
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WHERE id_group IN ({array_int:child_groups})', |
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array( |
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'child_groups' => $child_groups, |
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) |
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); |
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// Finally insert. |
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if (!empty($permissions)) |
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{ |
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replacePermission($permissions); |
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} |
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} |
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// Then, what about board profiles? |
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if ($profile != -1) |
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{ |
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$profileQuery = $profile === null ? '' : ' AND id_profile = {int:current_profile}'; |
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// Again, get all the parent permissions. |
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$request = $this->db->query('', ' |
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SELECT id_profile, id_group, permission, add_deny |
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FROM {db_prefix}board_permissions |
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WHERE id_group IN ({array_int:parent_groups}) |
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' . $profileQuery, |
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array( |
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'parent_groups' => $parents, |
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'current_profile' => $profile !== null && $profile ? $profile : 1, |
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) |
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); |
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$permissions = array(); |
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View Code Duplication |
while ($row = $this->db->fetch_assoc($request)) |
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{ |
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foreach ($children[$row['id_group']] as $child) |
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{ |
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$permissions[] = array($row['permission'], $child, $row['add_deny'], $row['id_profile']); |
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} |
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} |
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$this->db->free_result($request); |
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$this->db->query('', ' |
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DELETE FROM {db_prefix}board_permissions |
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WHERE id_group IN ({array_int:child_groups}) |
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' . $profileQuery, |
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array( |
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'child_groups' => $child_groups, |
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'current_profile' => $profile !== null && $profile ? $profile : 1, |
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) |
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); |
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// Do the insert. |
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if (!empty($permissions)) |
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{ |
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replaceBoardPermission($permissions); |
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} |
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} |
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} |
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} |
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