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<?php |
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namespace SilverStripe\Subsites\Extensions; |
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use SilverStripe\Control\Cookie; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\Forms\CheckboxSetField; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\OptionsetField; |
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use SilverStripe\Forms\ReadonlyField; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\ORM\DataQuery; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\ORM\Queries\SQLSelect; |
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use SilverStripe\Security\Group; |
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use SilverStripe\Security\PermissionProvider; |
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use SilverStripe\Subsites\Model\Subsite; |
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use SilverStripe\Subsites\State\SubsiteState; |
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/** |
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* Extension for the Group object to add subsites support |
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* |
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* @package subsites |
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*/ |
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class GroupSubsites extends DataExtension implements PermissionProvider |
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{ |
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private static $db = [ |
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'AccessAllSubsites' => 'Boolean' |
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]; |
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private static $many_many = [ |
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'Subsites' => Subsite::class |
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]; |
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private static $defaults = [ |
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'AccessAllSubsites' => true |
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]; |
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/** |
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* Migrations for GroupSubsites data. |
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*/ |
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public function requireDefaultRecords() |
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{ |
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if (!$this->owner) { |
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return; |
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} |
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// Migration for Group.SubsiteID data from when Groups only had a single subsite |
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$ownerClass = get_class($this->owner); |
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$schema = $ownerClass::getSchema(); |
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$groupFields = DB::field_list($schema->tableName(Group::class)); |
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// Detection of SubsiteID field is the trigger for old-style-subsiteID migration |
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if (isset($groupFields['SubsiteID'])) { |
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// Migrate subsite-specific data |
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DB::query('INSERT INTO "Group_Subsites" ("GroupID", "SubsiteID") |
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SELECT "ID", "SubsiteID" FROM "Group" WHERE "SubsiteID" > 0'); |
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// Migrate global-access data |
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DB::query('UPDATE "Group" SET "AccessAllSubsites" = 1 WHERE "SubsiteID" = 0'); |
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// Move the field out of the way so that this migration doesn't get executed again |
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DB::get_schema()->renameField(Group::class, 'SubsiteID', '_obsolete_SubsiteID'); |
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// No subsite access on anything means that we've just installed the subsites module. |
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// Make all previous groups global-access groups |
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} else { |
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if (!DB::query('SELECT "Group"."ID" FROM "Group" |
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LEFT JOIN "Group_Subsites" ON "Group_Subsites"."GroupID" = "Group"."ID" AND "Group_Subsites"."SubsiteID" > 0 |
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WHERE "AccessAllSubsites" = 1 |
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OR "Group_Subsites"."GroupID" IS NOT NULL ')->value() |
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) { |
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DB::query('UPDATE "Group" SET "AccessAllSubsites" = 1'); |
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} |
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} |
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} |
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public function updateCMSFields(FieldList $fields) |
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{ |
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if ($this->owner->canEdit()) { |
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// i18n tab |
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$fields->findOrMakeTab('Root.Subsites', _t(__CLASS__ . '.SECURITYTABTITLE', 'Subsites')); |
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$subsites = Subsite::accessible_sites(['ADMIN', 'SECURITY_SUBSITE_GROUP'], true); |
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$subsiteMap = $subsites->map(); |
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// Prevent XSS injection |
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$subsiteMap = Convert::raw2xml($subsiteMap->toArray()); |
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// Interface is different if you have the rights to modify subsite group values on |
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// all subsites |
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if (isset($subsiteMap[0])) { |
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$fields->addFieldToTab('Root.Subsites', new OptionsetField( |
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'AccessAllSubsites', |
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_t(__CLASS__ . '.ACCESSRADIOTITLE', 'Give this group access to'), |
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[ |
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1 => _t(__CLASS__ . '.ACCESSALL', 'All subsites'), |
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0 => _t(__CLASS__ . '.ACCESSONLY', 'Only these subsites'), |
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] |
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)); |
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unset($subsiteMap[0]); |
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$fields->addFieldToTab('Root.Subsites', new CheckboxSetField( |
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'Subsites', |
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'', |
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$subsiteMap |
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)); |
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} else { |
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if (sizeof($subsiteMap) <= 1) { |
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$fields->addFieldToTab('Root.Subsites', new ReadonlyField( |
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'SubsitesHuman', |
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_t(__CLASS__ . '.ACCESSRADIOTITLE', 'Give this group access to'), |
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reset($subsiteMap) |
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)); |
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} else { |
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$fields->addFieldToTab('Root.Subsites', new CheckboxSetField( |
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'Subsites', |
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_t(__CLASS__ . '.ACCESSRADIOTITLE', 'Give this group access to'), |
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$subsiteMap |
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)); |
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} |
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} |
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} |
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} |
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/** |
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* If this group belongs to a subsite, append the subsites title to the group title to make it easy to |
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* distinguish in the tree-view of the security admin interface. |
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* |
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* @param string $title |
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*/ |
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public function updateTreeTitle(&$title) |
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{ |
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if ($this->owner->AccessAllSubsites) { |
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$title = _t(__CLASS__ . '.GlobalGroup', 'global group'); |
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$title = htmlspecialchars($this->owner->Title, ENT_QUOTES) . ' <i>(' . $title . ')</i>'; |
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} else { |
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$subsites = Convert::raw2xml(implode(', ', $this->owner->Subsites()->column('Title'))); |
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$title = htmlspecialchars($this->owner->Title) . " <i>($subsites)</i>"; |
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} |
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} |
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/** |
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* Update any requests to limit the results to the current site |
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* @param SQLSelect $query |
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* @param DataQuery|null $dataQuery |
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*/ |
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public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null) |
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{ |
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if (Subsite::$disable_subsite_filter) { |
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return; |
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} |
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if (Cookie::get('noSubsiteFilter') == 'true') { |
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return; |
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} |
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// If you're querying by ID, ignore the sub-site - this is a bit ugly... |
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if (!$query->filtersOnID()) { |
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$subsiteID = SubsiteState::singleton()->getSubsiteId(); |
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if ($subsiteID === null) { |
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return; |
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} |
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// Don't filter by Group_Subsites if we've already done that |
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$hasGroupSubsites = false; |
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foreach ($query->getFrom() as $item) { |
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if ((is_array($item) && strpos( |
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$item['table'], |
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'Group_Subsites' |
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) !== false) || (!is_array($item) && strpos( |
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$item, |
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'Group_Subsites' |
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) !== false) |
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) { |
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$hasGroupSubsites = true; |
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break; |
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} |
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} |
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if (!$hasGroupSubsites) { |
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if ($subsiteID) { |
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$query->addLeftJoin('Group_Subsites', "\"Group_Subsites\".\"GroupID\" |
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= \"Group\".\"ID\" AND \"Group_Subsites\".\"SubsiteID\" = $subsiteID"); |
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$query->addWhere('("Group_Subsites"."SubsiteID" IS NOT NULL OR |
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"Group"."AccessAllSubsites" = 1)'); |
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} else { |
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$query->addWhere('"Group"."AccessAllSubsites" = 1'); |
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} |
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} |
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// WORKAROUND for databases that complain about an ORDER BY when the column wasn't selected (e.g. SQL Server) |
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$select = $query->getSelect(); |
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if (isset($select[0]) && !$select[0] == 'COUNT(*)') { |
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$query->addOrderBy('AccessAllSubsites', 'DESC'); |
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} |
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} |
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} |
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public function onBeforeWrite() |
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{ |
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// New record test approximated by checking whether the ID has changed. |
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// Note also that the after write test is only used when we're *not* on a subsite |
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if ($this->owner->isChanged('ID') && !SubsiteState::singleton()->getSubsiteId()) { |
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$this->owner->AccessAllSubsites = 1; |
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} |
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} |
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public function onAfterWrite() |
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{ |
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// New record test approximated by checking whether the ID has changed. |
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// Note also that the after write test is only used when we're on a subsite |
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if ($this->owner->isChanged('ID') && $currentSubsiteID = SubsiteState::singleton()->getSubsiteId()) { |
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$subsites = $this->owner->Subsites(); |
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$subsites->add($currentSubsiteID); |
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} |
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} |
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public function alternateCanEdit() |
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{ |
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// Find the sites that this group belongs to and the sites where we have appropriate perm. |
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$accessibleSites = Subsite::accessible_sites('CMS_ACCESS_SecurityAdmin')->column('ID'); |
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$linkedSites = $this->owner->Subsites()->column('ID'); |
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// We are allowed to access this site if at we have CMS_ACCESS_SecurityAdmin permission on |
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// at least one of the sites |
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return (bool)array_intersect($accessibleSites, $linkedSites); |
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} |
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public function providePermissions() |
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{ |
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return [ |
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'SECURITY_SUBSITE_GROUP' => [ |
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'name' => _t(__CLASS__ . '.MANAGE_SUBSITES', 'Manage subsites for groups'), |
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'category' => _t('SilverStripe\\Security\\Permission.PERMISSIONS_CATEGORY', 'Roles and access permissions'), |
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'help' => _t( |
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__CLASS__ . '.MANAGE_SUBSITES_HELP', |
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'Ability to limit the permissions for a group to one or more subsites.' |
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), |
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'sort' => 200 |
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] |
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]; |
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} |
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} |
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silverstripe /
silverstripe-subsites
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