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|
<?php
namespace Icinga\Module\Businessprocess;
use Icinga\Application\Icinga;
use Icinga\Authentication\Auth;
use Icinga\Exception\ProgrammingError;
use Icinga\User;
class Metadata
{
/** @var string Configuration name */
protected $name;
protected $properties = array(
'Title' => null,
'Description' => null,
'Owner' => null,
'AllowedUsers' => null,
'AllowedGroups' => null,
'AllowedRoles' => null,
'AddToMenu' => null,
'Backend' => null,
'Statetype' => null,
'ManualOrder' => null,
// 'SLAHosts' => null
);
public function __construct($name)
{
$this->name = $name;
}
public function getTitle()
{
if ($this->has('Title')) {
return $this->get('Title');
} else {
return $this->name;
}
}
public function getExtendedTitle()
{
$title = $this->getTitle();
if ($title === $this->name) {
return $title;
} else {
return sprintf('%s (%s)', $title, $this->name);
}
}
public function getProperties()
{
return $this->properties;
}
public function hasKey($key)
{
return array_key_exists($key, $this->properties);
}
public function get($key, $default = null)
{
$this->assertKeyExists($key);
if ($this->properties[$key] === null) {
return $default;
}
return $this->properties[$key];
}
public function set($key, $value)
{
$this->assertKeyExists($key);
$this->properties[$key] = $value;
return $this;
}
public function isNull($key)
{
return null === $this->get($key);
}
public function has($key)
{
return null !== $this->get($key);
}
protected function assertKeyExists($key)
{
if (! $this->hasKey($key)) {
throw new ProgrammingError('Trying to access invalid header key: %s', $key);
}
return $this;
}
public function hasRestrictions()
{
return ! (
$this->isNull('AllowedUsers')
&& $this->isNull('AllowedGroups')
&& $this->isNull('AllowedRoles')
);
}
protected function getAuth()
{
return Auth::getInstance();
}
public function canModify(Auth $auth = null)
{
if ($auth === null) {
if (Icinga::app()->isCli()) {
return true;
} else {
$auth = $this->getAuth();
}
}
return $this->canRead($auth) && (
$auth->hasPermission('businessprocess/modify')
|| $this->ownerIs($auth->getUser()->getUsername())
);
}
public function canRead(Auth $auth = null)
{
if ($auth === null) {
if (Icinga::app()->isCli()) {
return true;
} else {
$auth = $this->getAuth();
}
}
if ($auth->hasPermission('businessprocess/showall')) {
return true;
}
$prefixes = $auth->getRestrictions('businessprocess/prefix');
if (! empty($prefixes)) {
if (! $this->nameIsPrefixedWithOneOf($prefixes)) {
return false;
}
}
if (! $this->hasRestrictions()) {
return true;
}
if (! $auth->isAuthenticated()) {
return false;
}
return $this->userCanRead($auth->getUser());
}
public function nameIsPrefixedWithOneOf(array $prefixes)
{
foreach ($prefixes as $prefix) {
if (substr($this->name, 0, strlen($prefix)) === $prefix) {
return true;
}
}
return false;
}
protected function userCanRead(User $user)
{
$username = $user->getUsername();
return $this->ownerIs($username)
|| $this->isInAllowedUserList($username)
|| $this->isMemberOfAllowedGroups($user)
|| $this->hasOneOfTheAllowedRoles($user);
}
public function ownerIs($username)
{
return $this->get('Owner') === $username;
}
public function listAllowedUsers()
{
// TODO: $this->get('AllowedUsers', array());
$list = $this->get('AllowedUsers');
if ($list === null) {
return array();
} else {
return $this->splitCommaSeparated($list);
}
}
public function listAllowedGroups()
{
$list = $this->get('AllowedGroups');
if ($list === null) {
return array();
} else {
return $this->splitCommaSeparated($list);
}
}
public function listAllowedRoles()
{
$list = $this->get('AllowedRoles');
if ($list === null) {
return array();
} else {
return $this->splitCommaSeparated($list);
}
}
public function isInAllowedUserList($username)
{
foreach ($this->listAllowedUsers() as $allowedUser) {
if ($username === $allowedUser) {
return true;
}
}
return false;
}
public function isMemberOfAllowedGroups(User $user)
{
foreach ($this->listAllowedGroups() as $group) {
if ($user->isMemberOf($group)) {
return true;
}
}
return false;
}
public function hasOneOfTheAllowedRoles(User $user)
{
foreach ($this->listAllowedRoles() as $roleName) {
foreach ($user->getRoles() as $role) {
if ($role->getName() === $roleName) {
return true;
}
}
}
return false;
}
public function isManuallyOrdered()
{
return $this->get('ManualOrder') === 'yes';
}
protected function splitCommaSeparated($string)
{
return preg_split('/\s*,\s*/', $string, -1, PREG_SPLIT_NO_EMPTY);
}
}
|
