icingaweb2/modules/setup/application/forms/AdminAccountPage.php

415 lines
13 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Setup\Forms;
use Exception;
use Icinga\Application\Config;
use Icinga\Authentication\User\UserBackend;
use Icinga\Authentication\User\DbUserBackend;
use Icinga\Authentication\User\LdapUserBackend;
use Icinga\Authentication\UserGroup\UserGroupBackend;
use Icinga\Authentication\UserGroup\LdapUserGroupBackend;
use Icinga\Data\ConfigObject;
use Icinga\Data\ResourceFactory;
use Icinga\Data\Selectable;
use Icinga\Exception\NotImplementedError;
use Icinga\Web\Form;
/**
* Wizard page to define the initial administrative account
*/
class AdminAccountPage extends Form
{
/**
* The resource configuration to use
*
* @var array
*/
protected $resourceConfig;
/**
* The user backend configuration to use
*
* @var array
*/
protected $backendConfig;
/**
* The user group backend configuration to use
*
* @var array
*/
protected $groupConfig;
/**
* Initialize this page
*/
public function init()
{
$this->setName('setup_admin_account');
$this->setTitle($this->translate('Administration', 'setup.page.title'));
$this->addDescription($this->translate(
'Now it\'s time to configure your first administrative account or group for Icinga Web 2.'
));
}
/**
* Set the resource configuration to use
*
* @param array $config
*
* @return $this
*/
public function setResourceConfig(array $config)
{
$this->resourceConfig = $config;
return $this;
}
/**
* Set the user backend configuration to use
*
* @param array $config
*
* @return $this
*/
public function setBackendConfig(array $config)
{
$this->backendConfig = $config;
return $this;
}
/**
* Set the user group backend configuration to use
*
* @param array $config
*
* @return $this
*/
public function setGroupConfig(array $config = null)
{
$this->groupConfig = $config;
return $this;
}
/**
* @see Form::createElements()
*/
public function createElements(array $formData)
{
$choices = array();
if ($this->backendConfig['backend'] !== 'db') {
$choices['by_name'] = $this->translate('By Name', 'setup.admin');
$choice = isset($formData['user_type']) ? $formData['user_type'] : 'by_name';
if (in_array($this->backendConfig['backend'], array('ldap', 'msldap'))) {
$groups = $this->fetchGroups();
if (! empty($groups)) {
$choices['user_group'] = $this->translate('User Group', 'setup.admin');
}
}
} else {
$choices['new_user'] = $this->translate('New User', 'setup.admin');
$choice = isset($formData['user_type']) ? $formData['user_type'] : 'new_user';
}
if (in_array($this->backendConfig['backend'], array('db', 'ldap', 'msldap'))) {
$users = $this->fetchUsers();
if (! empty($users)) {
$choices['existing_user'] = $this->translate('Existing User', 'setup.admin');
}
}
if (count($choices) > 1) {
$this->addElement(
'select',
'user_type',
array(
'required' => true,
'autosubmit' => true,
'label' => $this->translate('Type Of Definition'),
'description' => $this->translate('Choose how to define the desired account.'),
'multiOptions' => $choices,
'value' => $choice
)
);
} else {
$this->addElement(
'hidden',
'user_type',
array(
'required' => true,
'value' => key($choices)
)
);
}
if ($choice === 'by_name') {
$this->addElement(
'text',
'by_name',
array(
'required' => true,
'value' => $this->getUsername(),
'label' => $this->translate('Username'),
'description' => $this->translate(
'Define the initial administrative account by providing a username that reflects'
. ' a user created later or one that is authenticated using external mechanisms.'
)
)
);
}
if ($choice === 'user_group') {
$this->addElement(
'select',
'user_group',
array(
'required' => true,
'label' => $this->translate('Group Name'),
'description' => $this->translate(
'Choose a user group reported by the LDAP backend'
. ' to permit its members administrative access.',
'setup.admin'
),
'multiOptions' => array_combine($groups, $groups)
)
);
}
if ($choice === 'existing_user') {
$this->addElement(
'select',
'existing_user',
array(
'required' => true,
'label' => $this->translate('Username'),
'description' => sprintf(
$this->translate(
'Choose a user reported by the %s backend as the initial administrative account.',
'setup.admin'
),
$this->backendConfig['backend'] === 'db'
? $this->translate('database', 'setup.admin.authbackend')
: 'LDAP'
),
'multiOptions' => array_combine($users, $users)
)
);
}
if ($choice === 'new_user') {
$this->addElement(
'text',
'new_user',
array(
'required' => true,
'label' => $this->translate('Username'),
'description' => $this->translate(
'Enter the username to be used when creating an initial administrative account.'
)
)
);
$this->addElement(
'password',
'new_user_password',
array(
'required' => true,
'renderPassword' => true,
'label' => $this->translate('Password'),
'description' => $this->translate(
'Enter the password to assign to the newly created account.'
)
)
);
$this->addElement(
'password',
'new_user_2ndpass',
array(
'required' => true,
'renderPassword' => true,
'label' => $this->translate('Repeat password'),
'description' => $this->translate(
'Please repeat the password given above to avoid typing errors.'
),
'validators' => array(
array('identical', false, array('new_user_password'))
)
)
);
}
}
/**
* Validate the given request data and ensure that any new user does not already exist
*
* @param array $data The request data to validate
*
* @return bool
*/
public function isValid($data)
{
if (false === parent::isValid($data)) {
return false;
}
if ($data['user_type'] === 'new_user' && $this->hasUser($data['new_user'])) {
$this->getElement('new_user')->addError($this->translate('Username already exists.'));
return false;
}
return true;
}
/**
* Return the name of the externally authenticated user
*
* @return string
*/
protected function getUsername()
{
if (false === isset($_SERVER['REMOTE_USER'])) {
return '';
}
$name = $_SERVER['REMOTE_USER'];
if (isset($this->backendConfig['strip_username_regexp']) && $this->backendConfig['strip_username_regexp']) {
// No need to silence or log anything here because the pattern has
// already been successfully compiled during backend configuration
$name = preg_replace($this->backendConfig['strip_username_regexp'], '', $name);
}
return $name;
}
/**
* Return the names of all users the user backend currently provides
*
* @return array
*/
protected function fetchUsers()
{
try {
return $this
->createUserBackend()
->select(array('user_name'))
->order('user_name', 'asc', true)
->fetchColumn();
} catch (Exception $_) {
// No need to handle anything special here. Error means no users found.
return array();
}
}
/**
* Return whether the user backend provides a user with the given name
*
* @param string $username
*
* @return bool
*/
protected function hasUser($username)
{
try {
return $this
->createUserBackend()
->select()
->where('user_name', $username)
->count() > 1;
} catch (Exception $_) {
return false;
}
}
/**
* Create and return the user backend
*
* @return DbUserBackend|LdapUserBackend
*/
protected function createUserBackend()
{
$resourceConfig = new Config();
$resourceConfig->setSection($this->resourceConfig['name'], $this->resourceConfig);
ResourceFactory::setConfig($resourceConfig);
$config = new ConfigObject($this->backendConfig);
$config->resource = $this->resourceConfig['name'];
return UserBackend::create(null, $config);
}
/**
* Return the names of all user groups the user group backend currently provides
*
* @return array
*/
protected function fetchGroups()
{
try {
return $this
->createUserGroupBackend()
->select(array('group_name'))
->fetchColumn();
} catch (Exception $_) {
// No need to handle anything special here. Error means no groups found.
return array();
}
}
/**
* Return whether the user group backend provides a user group with the given name
*
* @param string $groupname
*
* @return bool
*/
protected function hasGroup($groupname)
{
try {
return $this
->createUserGroupBackend()
->select()
->where('group_name', $groupname)
->count() > 1;
} catch (Exception $_) {
return false;
}
}
/**
* Create and return the user group backend
*
* @return LdapUserGroupBackend
*/
protected function createUserGroupBackend()
{
$resourceConfig = new Config();
$resourceConfig->setSection($this->resourceConfig['name'], $this->resourceConfig);
ResourceFactory::setConfig($resourceConfig);
$backendConfig = new Config();
$backendConfig->setSection($this->backendConfig['name'], array_merge(
$this->backendConfig,
array('resource' => $this->resourceConfig['name'])
));
UserBackend::setConfig($backendConfig);
if (empty($this->groupConfig)) {
$groupConfig = new ConfigObject(array(
'backend' => $this->backendConfig['backend'], // _Should_ be "db" or "msldap"
'resource' => $this->resourceConfig['name'],
'user_backend' => $this->backendConfig['name'] // Gets ignored if 'backend' is "db"
));
} else {
$groupConfig = new ConfigObject($this->groupConfig);
}
$backend = UserGroupBackend::create(null, $groupConfig);
if (! $backend instanceof Selectable) {
throw new NotImplementedError('Unsupported, until #9772 has been resolved');
}
return $backend;
}
}