icingaweb2/application/forms/Security/RoleForm.php

308 lines
11 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Forms\Security;
use LogicException;
use Zend_Form_Element;
use Icinga\Application\Icinga;
use Icinga\Exception\AlreadyExistsException;
use Icinga\Exception\NotFoundError;
use Icinga\Forms\ConfigForm;
use Icinga\Util\StringHelper;
/**
* Form for managing roles
*/
class RoleForm extends ConfigForm
{
/**
* Provided permissions by currently loaded modules
*
* @var array
*/
protected $providedPermissions;
/**
* Provided restrictions by currently loaded modules
*
* @var array
*/
protected $providedRestrictions;
/**
* {@inheritdoc}
*/
public function init()
{
$this->providedPermissions = array(
'*' => $this->translate('Allow everything') . ' (*)',
'application/share/navigation' => $this->translate('Allow to share navigation items')
. ' (application/share/navigation)',
'application/stacktraces' => $this->translate(
'Allow to adjust in the preferences whether to show stacktraces'
) . ' (application/stacktraces)',
'application/log' => $this->translate('Allow to view the application log')
. ' (application/log)',
'admin' => $this->translate(
'Grant admin permissions, e.g. manage announcements'
) . ' (admin)',
'config/*' => $this->translate('Allow config access') . ' (config/*)'
);
$helper = new Zend_Form_Element('bogus');
$this->providedRestrictions = array(
$helper->filterName('application/share/users') => array(
'name' => 'application/share/users',
'description' => $this->translate(
'Restrict which users this role can share items and information with'
)
),
$helper->filterName('application/share/groups') => array(
'name' => 'application/share/groups',
'description' => $this->translate(
'Restrict which groups this role can share items and information with'
)
)
);
$mm = Icinga::app()->getModuleManager();
foreach ($mm->listInstalledModules() as $moduleName) {
$modulePermission = $mm::MODULE_PERMISSION_NS . $moduleName;
$this->providedPermissions[$modulePermission] = sprintf(
$this->translate('Allow access to module %s') . ' (%s)',
$moduleName,
$modulePermission
);
$module = $mm->getModule($moduleName, false);
foreach ($module->getProvidedPermissions() as $permission) {
/** @var object $permission */
$this->providedPermissions[$permission->name] = $permission->description
. ' (' . $permission->name . ')';
}
foreach ($module->getProvidedRestrictions() as $restriction) {
/** @var object $restriction */
// Zend only permits alphanumerics, the underscore, the circumflex and any ASCII character in range
// \x7f to \xff (127 to 255)
$name = $helper->filterName($restriction->name);
while (isset($this->providedRestrictions[$name])) {
// Because Zend_Form_Element::filterName() replaces any not permitted character with the empty
// string we may have duplicate names, e.g. 're/striction' and 'restriction'
$name .= '_';
}
$this->providedRestrictions[$name] = array(
'description' => $restriction->description,
'name' => $restriction->name
);
}
}
}
/**
* {@inheritdoc}
*/
public function createElements(array $formData = array())
{
$this->addElements(array(
array(
'text',
'name',
array(
'required' => true,
'label' => $this->translate('Role Name'),
'description' => $this->translate('The name of the role'),
'ignore' => true
),
),
array(
'textarea',
'users',
array(
'label' => $this->translate('Users'),
'description' => $this->translate('Comma-separated list of users that are assigned to the role')
),
),
array(
'textarea',
'groups',
array(
'label' => $this->translate('Groups'),
'description' => $this->translate('Comma-separated list of groups that are assigned to the role')
),
),
array(
'multiselect',
'permissions',
array(
'label' => $this->translate('Permissions Set'),
'description' => $this->translate(
'The permissions to grant. You may select more than one permission'
),
'multiOptions' => $this->providedPermissions,
'class' => 'grant-permissions'
)
)
));
foreach ($this->providedRestrictions as $name => $spec) {
$this->addElement(
'text',
$name,
array(
'label' => $spec['name'],
'description' => $spec['description']
)
);
}
return $this;
}
/**
* Load a role
*
* @param string $name The name of the role
*
* @return $this
*
* @throws LogicException If the config is not set
* @throws NotFoundError If the given role does not exist
* @see ConfigForm::setConfig() For setting the config.
*/
public function load($name)
{
if (! isset($this->config)) {
throw new LogicException(sprintf('Can\'t load role \'%s\'. Config is not set', $name));
}
if (! $this->config->hasSection($name)) {
throw new NotFoundError(
$this->translate('Can\'t load role \'%s\'. Role does not exist'),
$name
);
}
$role = $this->config->getSection($name)->toArray();
$role['permissions'] = ! empty($role['permissions'])
? StringHelper::trimSplit($role['permissions'])
: null;
$role['name'] = $name;
$restrictions = array();
foreach ($this->providedRestrictions as $name => $spec) {
if (isset($role[$spec['name']])) {
// Translate restriction names to filtered element names
$restrictions[$name] = $role[$spec['name']];
unset($role[$spec['name']]);
}
}
$role = array_merge($role, $restrictions);
$this->populate($role);
return $this;
}
/**
* Add a role
*
* @param string $name The name of the role
* @param array $values
*
* @return $this
*
* @throws LogicException If the config is not set
* @throws AlreadyExistsException If the role to add already exists
* @see ConfigForm::setConfig() For setting the config.
*/
public function add($name, array $values)
{
if (! isset($this->config)) {
throw new LogicException(sprintf('Can\'t add role \'%s\'. Config is not set', $name));
}
if ($this->config->hasSection($name)) {
throw new AlreadyExistsException(
$this->translate('Can\'t add role \'%s\'. Role already exists'),
$name
);
}
$this->config->setSection($name, $values);
return $this;
}
/**
* Remove a role
*
* @param string $name The name of the role
*
* @return $this
*
* @throws LogicException If the config is not set
* @throws NotFoundError If the role does not exist
* @see ConfigForm::setConfig() For setting the config.
*/
public function remove($name)
{
if (! isset($this->config)) {
throw new LogicException(sprintf('Can\'t remove role \'%s\'. Config is not set', $name));
}
if (! $this->config->hasSection($name)) {
throw new NotFoundError(
$this->translate('Can\'t remove role \'%s\'. Role does not exist'),
$name
);
}
$this->config->removeSection($name);
return $this;
}
/**
* Update a role
*
* @param string $name The possibly new name of the role
* @param array $values
* @param string $oldName The name of the role to update
*
* @return $this
*
* @throws LogicException If the config is not set
* @throws NotFoundError If the role to update does not exist
* @see ConfigForm::setConfig() For setting the config.
*/
public function update($name, array $values, $oldName)
{
if (! isset($this->config)) {
throw new LogicException(sprintf('Can\'t update role \'%s\'. Config is not set', $name));
}
if ($name !== $oldName) {
// The permission got a new name
$this->remove($oldName);
$this->add($name, $values);
} else {
if (! $this->config->hasSection($name)) {
throw new NotFoundError(
$this->translate('Can\'t update role \'%s\'. Role does not exist'),
$name
);
}
$this->config->setSection($name, $values);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function getValues($suppressArrayNotation = false)
{
$values = static::transformEmptyValuesToNull(parent::getValues($suppressArrayNotation));
if (isset($values['permissions'])) {
$values['permissions'] = implode(', ', $values['permissions']);
}
$restrictions = array();
foreach ($this->providedRestrictions as $name => $spec) {
if (isset($values[$name])) {
// Translate filtered element names to restriction names
$restrictions[$spec['name']] = $values[$name];
unset($values[$name]);
}
}
$values = array_merge($values, $restrictions);
return $values;
}
}