Johannes Meyer
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<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Forms\Config\User;
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use Exception;
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use Icinga\Data\DataArray\ArrayDatasource;
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use Icinga\Web\Form;
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use Icinga\Web\Notification;
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/**
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* Form for creating one or more group memberships
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*/
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class CreateMembershipForm extends Form
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{
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/**
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* The user group backends to fetch groups from
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*
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* Each backend must implement the Icinga\Data\Extensible and Icinga\Data\Selectable interface.
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*
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* @var array
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*/
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protected $backends;
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/**
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* The username to create memberships for
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*
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* @var string
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*/
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protected $userName;
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/**
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* Set the user group backends to fetch groups from
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*
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* @param array $backends
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*
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* @return $this
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*/
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public function setBackends($backends)
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{
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$this->backends = $backends;
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return $this;
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}
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/**
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* Set the username to create memberships for
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*
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* @param string $userName
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*
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* @return $this
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*/
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public function setUsername($userName)
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{
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$this->userName = $userName;
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return $this;
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}
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/**
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* Create and add elements to this form
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*
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* @param array $formData The data sent by the user
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*/
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public function createElements(array $formData)
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{
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$query = $this->createDataSource()->select()->from('group', array('group_name', 'backend_name'));
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$options = array();
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foreach ($query as $row) {
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$options[$row->backend_name . ';' . $row->group_name] = $row->group_name . ' (' . $row->backend_name . ')';
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}
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$this->addElement(
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'multiselect',
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'groups',
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array(
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'required' => true,
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'multiOptions' => $options,
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'label' => $this->translate('Groups'),
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'description' => sprintf(
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$this->translate('Select one or more groups where to add %s as member'),
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$this->userName
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),
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'class' => 'grant-permissions'
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)
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);
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$this->setTitle(sprintf($this->translate('Create memberships for %s'), $this->userName));
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$this->setSubmitLabel($this->translate('Create'));
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}
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/**
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* Instantly redirect back in case the user is already a member of all groups
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*/
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public function onRequest()
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{
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if ($this->createDataSource()->select()->from('group')->count() === 0) {
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Notification::info(sprintf($this->translate('User %s is already a member of all groups'), $this->userName));
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$this->getResponse()->redirectAndExit($this->getRedirectUrl());
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}
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}
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/**
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* Create the memberships for the user
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*
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* @return bool
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*/
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public function onSuccess()
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{
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$backendMap = array();
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foreach ($this->backends as $backend) {
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$backendMap[$backend->getName()] = $backend;
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}
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$single = null;
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foreach ($this->getValue('groups') as $backendAndGroup) {
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list($backendName, $groupName) = explode(';', $backendAndGroup, 2);
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try {
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$backendMap[$backendName]->insert(
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'group_membership',
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array(
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'group_name' => $groupName,
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'user_name' => $this->userName
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)
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);
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} catch (Exception $e) {
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Notification::error(sprintf(
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$this->translate('Failed to add "%s" as group member for "%s"'),
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$this->userName,
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$groupName
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));
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$this->error($e->getMessage());
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return false;
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}
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$single = $single === null;
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}
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if ($single) {
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Notification::success(
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sprintf($this->translate('Membership for group %s created successfully'), $groupName)
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);
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} else {
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Notification::success($this->translate('Memberships created successfully'));
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}
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return true;
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}
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/**
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* Create and return a data source to fetch all groups from all backends where the user is not already a member of
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*
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* @return ArrayDatasource
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*/
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protected function createDataSource()
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{
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$groups = array();
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foreach ($this->backends as $backend) {
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$memberships = $backend
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->select()
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->from('group_membership', array('group_name'))
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->where('user_name', $this->userName)
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->fetchColumn();
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foreach ($backend->select(array('group_name')) as $row) {
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if (! in_array($row->group_name, $memberships)) { // TODO(jom): Apply this as native query filter
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$row->backend_name = $backend->getName();
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$groups[] = $row;
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}
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}
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}
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return new ArrayDatasource($groups);
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}
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}
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