311 lines
8.2 KiB
PHP
311 lines
8.2 KiB
PHP
<?php
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/**
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* A security group.
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* @package sapphire
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* @subpackage security
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*/
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class Group extends DataObject {
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// This breaks too many things for upgraded sites
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// static $default_sort = "Sort";
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static $db = array(
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"Title" => "Varchar",
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"Description" => "Text",
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"Code" => "Varchar",
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"CanCMS" => "Boolean",
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"CanCMSAdmin" => "Boolean",
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"Locked" => "Boolean",
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"Sort" => "Int",
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"IPRestrictions" => "Text",
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);
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static $has_one = array(
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"Parent" => "SiteTree",
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);
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static $has_many = array(
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"Permissions" => "Permission",
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);
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static $many_many = array(
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"Members" => "Member",
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);
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static $extensions = array(
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"Hierarchy",
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);
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/**
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* Caution: Only call on instances, not through a singleton.
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*
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* @return FieldSet
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*/
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public function getCMSFields() {
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$fields = new FieldSet(
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new TabSet("Root",
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new Tab(_t('SecurityAdmin.MEMBERS', 'Members'),
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new TextField("Title", _t('SecurityAdmin.GROUPNAME', 'Group name')),
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$memberList = new MemberTableField(
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$this,
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"Members",
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$this,
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null,
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false
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)
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),
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new Tab(_t('SecurityAdmin.PERMISSIONS', 'Permissions'),
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new LiteralField(
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"",
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"<p>" .
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_t('SecurityAdmin.ADVANCEDONLY',
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"This section is for advanced users only.
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See <a href=\"http://doc.silverstripe.com/doku.php?id=permissions:codes\" target=\"_blank\">this page</a>
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for more information."
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) .
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"</p>"
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),
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new TableField(
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"Permissions",
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"Permission",
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array(
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"Code" => _t('SecurityAdmin.CODE', 'Code'),
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"Arg" => _t('SecurityAdmin.OPTIONALID', 'Optional ID'),
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),
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array(
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"Code" => "PermissionDropdownField",
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"Arg" => "TextField",
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),
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null,
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"GroupID = {$this->ID}"
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)
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),
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new Tab(_t('Security.IPADDRESSES', 'IP Addresses'),
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new LiteralField("", _t('SecurityAdmin.IPADDRESSESHELP',"<p>You can restrict this group to a particular
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IP address range (one range per line). <br />Ranges can be in any of the following forms: <br />
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203.96.152.12<br />
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203.96.152/24<br />
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203.96/16<br />
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203/8<br /><br />If you enter one or more IP address ranges in this box, then members will only get
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the rights of being in this group if they log on from one of the valid IP addresses. It won't prevent
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people from logging in. This is because the same user might have to log in to access parts of the
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system without IP address restrictions.")),
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new TextareaField("IPRestrictions", "IP Ranges", 10)
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)
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)
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);
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if(!Permission::check('EDIT_PERMISSIONS')) {
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$fields->removeFieldFromTab('Root', 'Permissions');
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$fields->removeFieldFromTab('Root', 'IP Addresses');
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}
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$memberList->setController($this);
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$memberList->setPermissions(array('show', 'edit', 'delete', 'export', 'add'));
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$memberList->setParentClass('Group');
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$memberList->setPopupCaption(_t('SecurityAdmin.VIEWUSER', 'View User'));
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$fields->push($idField = new HiddenField("ID"));
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$this->extend('updateCMSFields', $fields);
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return $fields;
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}
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static function getAdminGroups() {
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return DataObject::get('Group',"CanCMSAdmin=1");
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}
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/**
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* Add a member to a group.
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*
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* @param DataObject $member
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* @param string $groupcode
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*/
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static function addToGroupByName($member, $groupcode) {
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$group = DataObject::get_one('Group', "Code = '" . Convert::raw2sql($groupcode). "'");
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if($group) {
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$member->Groups()->add($group);
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$member->write();
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}
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}
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/**
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* Overloaded getter.
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*
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* @param $limit string SQL
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* @param $offset int
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* @param $filter string SQL
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* @param $sort string SQL
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* @param $join string SQL
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* @return ComponentSet
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*/
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public function Members($limit = "", $offset = "", $filter = "", $sort = "", $join = "") {
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$table = "Group_Members";
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if($filter) $filter = is_array($filter) ? $filter : array($filter);
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if( is_numeric( $limit ) ) {
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if( is_numeric( $offset ) )
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$limit = "$offset, $limit";
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else
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$limit = "0, $limit";
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} else {
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$limit = "";
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}
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// Get all of groups that this group contains
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$groupFamily = implode(", ", $this->collateFamilyIDs());
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$filter[] = "`$table`.GroupID IN ($groupFamily)";
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$join .= " INNER JOIN `$table` ON `$table`.MemberID = `Member`.ID" . Convert::raw2sql($join);
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$result = singleton("Member")->instance_get(
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$filter,
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$sort,
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$join,
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$limit,
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"ComponentSet" // datatype
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);
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if(!$result) $result = new ComponentSet();
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$result->setComponentInfo("many-to-many", $this, "Group", $table, "Member");
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foreach($result as $item) $item->GroupID = $this->ID;
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return $result;
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}
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public function map($filter = "", $sort = "", $blank="") {
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$ret = new SQLMap(singleton('Group')->extendedSQL($filter, $sort));
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if($blank){
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$blankGroup = new Group();
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$blankGroup->Title = $blank;
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$blankGroup->ID = 0;
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$ret->getItems()->shift($blankGroup);
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}
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return $ret;
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}
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/**
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* Return a set of this record's "family" of IDs - the IDs of
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* this record and all its descendants
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*/
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public function collateFamilyIDs() {
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$chunkToAdd = array(array("ID" => $this->ID));
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while($chunkToAdd) {
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$idList = null;
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foreach($chunkToAdd as $item) {
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$idList[] = $family[] = $item['ID'];
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}
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$idList = implode(',',$idList);
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// Get the children of *all* the groups identified in the previous chunk.
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// This minimises the number of SQL queries necessary
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$sql = $this->extendedSQL("ParentID IN ($idList)", "");
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$chunkToAdd = $sql->execute();
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if(!$chunkToAdd->numRecords()) $chunkToAdd = null;
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}
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return $family;
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}
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/**
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* Returns an array of the IDs of this group and all its parents
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*/
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public function collateAncestorIDs() {
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$parent = $this;
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while(isset($parent)) {
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$items[] = $parent->ID;
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$parent = $parent->Parent;
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}
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return $items;
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}
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/**
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* This isn't a decendant of SiteTree, but needs this in case
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* the group is "reorganised";
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*/
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function cmsCleanup_parentChanged() {
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}
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/**
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* Override this so groups are ordered in the CMS
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*/
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public function stageChildren() {
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return DataObject::get('Group', "`Group`.`ParentID` = " . (int)$this->ID . " AND `Group`.ID != " . (int)$this->ID, "Sort");
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}
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public function TreeTitle() {
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if($this->hasMethod('alternateTreeTitle')) return $this->alternateTreeTitle();
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else return $this->Title;
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}
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/**
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* Overloaded to ensure the code is always descent.
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*/
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public function setCode($val){
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$this->setField("Code",SiteTree::generateURLSegment($val));
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}
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function onBeforeWrite() {
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parent::onBeforeWrite();
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if(stripos($this->Code, 'new-') === 0) {
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$this->setCode($this->Title);
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}
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}
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public function canEdit() {
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if($this->hasMethod('alternateCanEdit')) return $this->alternateCanEdit();
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else {
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return Permission::check("ADMIN")
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|| (Member::currentUserID() && !DataObject::get("Permission", "GroupID = $this->ID AND Code = 'ADMIN'"));
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}
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}
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/**
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* Returns all of the children for the CMS Tree.
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* Filters to only those groups that the current user can edit
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*/
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function AllChildrenIncludingDeleted() {
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$children = $this->extInstance('Hierarchy')->AllChildrenIncludingDeleted();
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$filteredChildren = new DataObjectSet();
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if($children) foreach($children as $child) {
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if($child->canEdit()) $filteredChildren->push($child);
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}
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return $filteredChildren;
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}
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/**
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* Returns true if the given IP address is granted access to this group.
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* For unrestricted groups, this always returns true.
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*/
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function allowedIPAddress($ip) {
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if(!$this->IPRestrictions) return true;
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if(!$ip) return false;
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$ipPatterns = explode("\n", $this->IPRestrictions);
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foreach($ipPatterns as $ipPattern) {
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$ipPattern = trim($ipPattern);
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if(preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)$/', $ipPattern, $matches)) {
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if($ip == $ipPattern) return true;
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} else if(preg_match('/^([0-9]+\.[0-9]+\.[0-9]+)\/24$/', $ipPattern, $matches)
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|| preg_match('/^([0-9]+\.[0-9]+)\/16$/', $ipPattern, $matches)
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|| preg_match('/^([0-9]+)\/8$/', $ipPattern, $matches)) {
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if(substr($ip, 0, strlen($matches[1])) == $matches[1]) 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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* A group representing everyone, including users not logged in.
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* @package sapphire
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* @subpackage security
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*/
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class Group_Unsecure extends Group {
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}
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?>
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