lam/lam/lib/types.inc
2025-09-04 21:12:47 +02:00

516 lines
12 KiB
PHP

<?php
namespace LAM\TYPES;
/*
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2005 - 2025 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
use baseModule;
use baseType;
use LAMConfig;
/**
* This file is the interface to the different account types.
*
* @package types
* @author Roland Gruber
*/
/** parent class of account types */
include_once(__DIR__ . "/baseType.inc");
/** parent class of list views */
include_once(__DIR__ . "/lists.inc");
/** Used to check if this is a LAM Pro release. */
include_once(__DIR__ . "/selfService.inc");
/**
* This includes all type definitions.
*/
$typesINC_dirname = substr(__FILE__, 0, strlen(__FILE__) - 10) . "/types";
$typesINC_dir = dir($typesINC_dirname);
// get module names.
while ($entry = $typesINC_dir->read()) {
if ((str_ends_with($entry, '.inc')) && is_file($typesINC_dirname . '/' . $entry)) {
include_once($typesINC_dirname . '/' . $entry);
}
}
/**
* Returns a list of available account types.
*
* @return string[] list of types
*/
function getTypes(): array {
$dirname = substr(__FILE__, 0, strlen(__FILE__) - 10) . "/types";
$dir = dir($dirname);
$return = [];
// get type names.
while ($entry = $dir->read()) {
if ((str_ends_with($entry, '.inc')) && is_file($dirname . '/' . $entry)) {
$entry = substr($entry, 0, strpos($entry, '.'));
$return[] = $entry;
}
}
$dir->close();
return $return;
}
/**
* Returns the account type for a given type id.
*
* @param string $typeId type id (e.g. user_1)
* @return string scope (e.g. user)
*/
function getScopeFromTypeId(string $typeId): string {
$parts = explode('_', $typeId);
return $parts[0];
}
/**
* Represents a configured account type variant.
*
* @package types
* @author Roland Gruber
*/
class ConfiguredType {
private string $scope;
private string $id;
private $suffix;
private $attributes;
private $alias;
private $additionalLdapFilter;
private $hidden;
private $baseType;
private ?TypeManager $typeManager;
/**
* Constructor
*
* @param TypeManager|null $typeManager type manager
* @param string $scope account type
* @param string $id unique ID for this configuration
*/
public function __construct(?TypeManager $typeManager, string $scope, string $id) {
$this->typeManager = &$typeManager;
$this->scope = $scope;
$this->id = $id;
}
/**
* Returns the owning type manager.
*
* @return TypeManager type manager
*/
public function getTypeManager(): TypeManager {
return $this->typeManager;
}
/**
* Returns the account type (e.g. 'user').
*
* @return string account type
*/
public function getScope(): string {
return $this->scope;
}
/**
* Returns a unique id for this configuration.
*
* @return string unique id
*/
public function getId(): string {
return $this->id;
}
/**
* Returns the LDAP suffix.
*
* @return string LDAP suffix
*/
public function getSuffix(): string {
if ($this->suffix !== null) {
return $this->suffix;
}
$this->suffix = $this->typeManager->getConfig()->get_Suffix($this->id);
return $this->suffix;
}
/**
* Returns a list of configured attributes.
*
* @return ListAttribute[] list of ListAttribute
*/
public function getAttributes(): array {
if ($this->attributes !== null) {
return $this->attributes;
}
$attributeString = $this->typeManager->getConfig()->get_listAttributes($this->id);
$attributeSpecs = explode(';', $attributeString);
$attributes = [];
foreach ($attributeSpecs as $attributeSpec) {
$attributes[] = new ListAttribute($attributeSpec);
}
$this->attributes = $attributes;
return $this->attributes;
}
/**
* Returns the alias name.
*
* @return string alias name
*/
public function getAlias(): string {
if ($this->alias !== null) {
return $this->alias;
}
$typeSettings = $this->typeManager->getConfig()->get_typeSettings();
if (!empty($typeSettings['customLabel_' . $this->id])) {
$this->alias = $typeSettings['customLabel_' . $this->id];
}
else {
$this->alias = $this->getBaseType()->getAlias();
}
return $this->alias;
}
/**
* Returns the additional LDAP filter.
*
* @return string LDAP filter
*/
public function getAdditionalLdapFilter(): string {
if ($this->additionalLdapFilter !== null) {
return $this->additionalLdapFilter;
}
$typeSettings = $this->typeManager->getConfig()->get_typeSettings();
$this->additionalLdapFilter = $typeSettings['filter_' . $this->id] ?? '';
return $this->additionalLdapFilter;
}
/**
* Returns if this configuration is hidden.
*
* @return bool hidden
*/
public function isHidden(): bool {
if ($this->hidden !== null) {
return $this->hidden;
}
$this->hidden = isAccountTypeHidden($this->id);
return $this->hidden;
}
/**
* Returns the base type of this configured type.
*
* @return baseType base type
*/
public function getBaseType(): baseType {
if ($this->baseType != null) {
return $this->baseType;
}
$scope = $this->scope;
$this->baseType = new $scope($this);
return $this->baseType;
}
/**
* Returns a list of LDAP suffixes for this type.
*
* @return array sorted list of possible suffixes for this type.
*/
public function getSuffixList(): array {
$ret = [];
$filter = $this->getBaseType()->getSuffixFilter();
$attrs = ['dn', 'objectClass'];
$units = searchLDAP($this->getSuffix(), $filter, $attrs);
foreach ($units as $unit) {
// Active Directory fix, hide system containers
$isSystemContainer = in_array('container', $unit['objectclass'])
&& (preg_match('/.*cn=system,dc=.+/i', $unit['dn']) || preg_match('/.*CN=program data,dc=.+/i', $unit['dn']));
$isDnsContainer = preg_match('/.*CN=MicrosoftDNS,CN=System,dc=.+/i', $unit['dn']);
if ($isSystemContainer || $isDnsContainer) {
continue;
}
$ret[] = $unit['dn'];
}
// add root suffix if needed
$found = false;
for ($i = 0; $i < count($ret); $i++) { // search suffix case-insensitive
if (strtolower($this->getSuffix()) === strtolower($ret[$i])) {
$found = true;
break;
}
}
if (!$found) {
$ret[] = $this->getSuffix();
}
usort($ret, 'compareDN');
return $ret;
}
/**
* Returns the names of the active modules for this type.
*
* @return class-string<baseModule>[] module names
*/
public function getModules(): array {
$typeSettings = $this->typeManager->getConfig()->get_typeSettings();
if (empty($typeSettings['modules_' . $this->getId()])) {
return [];
}
$modules = $typeSettings['modules_' . $this->getId()];
return explode(',', $modules);
}
/**
* Returns the file name of the type icon.
* It is 16x16px and located in graphics folder.
*
* @return string file name
*/
public function getIcon(): string {
$baseType = $this->getBaseType();
return $baseType->getIcon();
}
}
/**
* An attribute definition for the account list.
*
* @package types
* @author Roland Gruber
*/
class ListAttribute {
private $attributeSpec;
/**
* Constructor.
*
* @param string $attributeSpec spec of attribute (e.g. '#uid' or 'uid:User')
*/
public function __construct(string $attributeSpec) {
$this->attributeSpec = $attributeSpec;
}
/**
* Returns the name of the LDAP attribute.
*
* @return string $attributeName name
*/
public function getAttributeName(): string {
if ($this->isPredefined()) {
return substr($this->attributeSpec, 1);
}
$parts = explode(':', $this->attributeSpec);
return $parts[0];
}
/**
* Returns the display value.
*
* @param array $predefinedDescriptions predefined descriptions (lower attribute name => label)
* @return string display value
*/
public function getAlias(array $predefinedDescriptions): string {
if ($this->isPredefined()) {
$name = strtolower(substr($this->attributeSpec, 1));
return $predefinedDescriptions[$name] ?? $name;
}
$parts = explode(':', $this->attributeSpec);
return $parts[1];
}
/**
* Returns if this is a predefined attribute name.
*
* @return bool is predefined
*/
private function isPredefined(): bool {
return str_starts_with($this->attributeSpec, '#');
}
}
/**
* Provides utility functions to get e.g. configured types.
*
* @package types
* @author Roland Gruber
*/
class TypeManager {
private $config;
/**
* Constructor
*
* @param LAMConfig|null $config configuration (uses $_SESSION['config'] by default)
*/
public function __construct(?LAMConfig $config = null) {
if ($config === null) {
$config = &$_SESSION['config'];
}
$this->config = &$config;
}
/**
* Checks if the given type id is valid.
*
* @param string $typeId type id
* @return bool is valid
*/
public static function isValidTypeId(string $typeId): bool {
return preg_match("/^[a-z0-9_-]+$/i", $typeId);
}
/**
* Returns the configured type with the given id or null.
*
* @param string $typeId type id
* @return ConfiguredType|null type
*/
public function getConfiguredType(string $typeId): ?ConfiguredType {
if ($this->config == null) {
return null;
}
$activeTypes = $this->config->get_ActiveTypes();
if (in_array($typeId, $activeTypes)) {
return $this->buildConfiguredType($typeId);
}
return null;
}
/**
* Returns a list of configured account types.
*
* @return ConfiguredType[] list of ConfiguredType
*/
public function getConfiguredTypes(): array {
$configuredTypes = [];
$activeTypes = $this->config->get_ActiveTypes();
foreach ($activeTypes as $typeId) {
$type = $this->buildConfiguredType($typeId);
if ($type === null) {
continue;
}
$configuredTypes[] = $type;
}
return $configuredTypes;
}
/**
* Returns a list of configured types for this scope.
*
* @param string $scope scope (e.g. user)
* @return ConfiguredType[] list of ConfiguredType
*/
public function getConfiguredTypesForScope(string $scope): array {
$allTypes = $this->getConfiguredTypes();
$scopedTypes = [];
foreach ($allTypes as $type) {
if ($type->getScope() == $scope) {
$scopedTypes[] = $type;
}
}
return $scopedTypes;
}
/**
* Returns a list of configured types for these scopes.
*
* @param array $scopes scopes (e.g. user)
* @return ConfiguredType[] list of ConfiguredType
*/
public function getConfiguredTypesForScopes(array $scopes): array {
$allTypes = $this->getConfiguredTypes();
$scopedTypes = [];
foreach ($allTypes as $type) {
if (in_array($type->getScope(), $scopes)) {
$scopedTypes[] = $type;
}
}
return $scopedTypes;
}
/**
* Builds a configured account type.
*
* @param string $typeId type id
* @return ConfiguredType|null type
*/
private function buildConfiguredType(string $typeId): ?ConfiguredType {
$scope = getScopeFromTypeId($typeId);
if (!class_exists($scope)) {
return null;
}
return new ConfiguredType($this, $scope, $typeId);
}
/**
* Generates a new unique type id for the given scope.
*
* @param string $scope account type (e.g. user)
*/
public function generateNewTypeId(string $scope): string {
$activeTypes = $this->config->get_ActiveTypes();
if (!in_array($scope, $activeTypes)) {
return $scope;
}
$counter = 1;
while (in_array($scope . '_' . $counter, $activeTypes)) {
$counter++;
}
return $scope . '_' . $counter;
}
/**
* Returns the associated config object.
*
* @return LAMConfig|null config
*/
public function getConfig(): ?LAMConfig {
return $this->config;
}
/**
* Returns if configuration is loaded.
*
* @return boolean configured
*/
public function hasConfig(): bool {
return !empty($this->config);
}
}