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As a successor of LDAP Authentication a stack of LDAP related extensions has been created. They all need to interact with a remote LDAP resource. To ease and unify configuration and maintenance, this extension was created. It provides classes and configuration to query data from LDAP resources.

MediaWiki 拡張機能マニュアル
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リリースの状態: 安定
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説明 Provides a common infrastructure to connect to a LDAP resource and run queries against it.
作者 Cindy Cicalese, Mark A. Hershberger, Robert Vogel
最新バージョン 1.0.3
互換性ポリシー Snapshots releases along with MediaWiki. Master is not backwards compatible.
MediaWiki 1.31+
データベースの変更 はい
ライセンス GNU 一般公衆利用許諾書 2.0 以降
  • $LDAPProviderCacheTime
  • $LDAPProviderCacheType
  • $LDAPProviderPreSearchUsernameModifierRegistry
  • $LDAPProviderDefaultDomain
  • $LDAPProviderDomainConfigs
  • $LDAPProviderDomainConfigProvider
  • $LDAPProviderClientRegistry
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使用状況とバージョン マトリクスを確認してください。

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  • ダウンロードして、ファイルを extensions/ フォルダー内の LDAPProvider という名前のディレクトリ内に配置します。
  • 以下のコードを LocalSettings.php の末尾に追加します:
    wfLoadExtension( 'LDAPProvider' );
  • Run php maintenance/update.php to create the necessary database table(s).
  • Configure as required
  •   完了 – ウィキの「Special:Version」に移動して、拡張機能が正しくインストールされたことを確認します。

"Extension config" versus "Domain config"

This extensions features two kinds of configuration. On the one side there is the classic "extension configuration". It can be set up by using global variables within the LocalSettings.php. Be aware that those variables do not have a wg prefix. Those settings affect the extension as a whole.

On the other side there is a configuration that is specific to a remote LDAP resource, like connection settings, group membership query mechanism or base DNs. Multiple domains can be configured independently. These settings only affect the communication to the LDAP resource, based on the domain that this resource serves.

Extension config settings

When using them in LocalSettings.php, these variables need to be prefixed with $LDAPProvider
名前 既定 説明
CacheType "CACHE_ANYTHING" The sort of cache to use for the connection information.
CacheTime 500 How long cached items should stick around in seconds.
ClientRegistry [] Allows registration of custom clients. The key is the domain to be handled, the value is a callback that returns an objects which derives from Client.
DomainConfigs "/etc/mediawiki/ldapprovider.json" Stores per domain configuration. Only evaluated if $LDAPProviderDomainConfigProvider is set to use the default LocalJSONFile. See below.
DomainConfigProvider "\\MediaWiki\\Extension\\LDAPProvider\\DomainConfigProvider\\LocalJSONFile::newInstance" Specifies the mechanism for obtaining the domain configuration. Must be a callback that returns an IDomainConfigProvider.
DefaultDomain "" Specifies the domain to fall back in case no domain was found for a user. This is often the case when using Extension:Auth_remoteuser for network based authentication.
	"removespaces": "\\MediaWiki\\Extension\\LDAPProvider\\PreSearchUsernameModifier\\RemoveSpaces::newInstance",
	"spacetounderscore": "\\MediaWiki\\Extension\\LDAPProvider\\PreSearchUsernameModifier\\SpacesToUnderscores::newInstance",
	"spacestounderscores": "\\MediaWiki\\Extension\\LDAPProvider\\PreSearchUsernameModifier\\SpacesToUnderscores::newInstance",
	"strtolower": "\\MediaWiki\\Extension\\LDAPProvider\\PreSearchUsernameModifier\\ToLower::newInstance",
	"lowercase": "\\MediaWiki\\Extension\\LDAPProvider\\PreSearchUsernameModifier\\ToLower::newInstance"
Specifies factory callbacks for objects of type MediaWiki\\Extension\\LDAPProvider\\IPreSearchUsernameModifier. The keys can be used in the domain configuration in the field connection.presearchusernamemodifiers. Example for a custom modifier:
['custom-prefix-modifier'] = function() {
  return new MediaWiki\Extension\LDAPProvider
    function( $username ) {
      return "some_prefix_$username";
  } );

Domain config settings

名前 既定 説明
server - One or more hostnames of the LDAP backend. Separated by a single space.
port 389 The port the LDAP server is listening to
user "" The FQDN of a user who has at least read rights
pass "" The password for the user above
options {} (JSON object or indexed PHP array) LDAP specific options. Must be string literals as key.
enctype clear Must be one of 'ldapi', 'ssl', 'tls', or 'clear'
groupbasedn "" Used for group membership queries
userbasedn "" Used for user info queries. Also for resolving a local username into an appropriate user DN
searchattribute "" Attribute to use in searches for user DN. "uid" and "samaccountname" are common. A "searchstring" will skip this search, if your user's DNs follow a single pattern.
searchstring "" Provides a pattern for user DN, in lieu of searching for it by "searchattribute" and username.

Value should be an example DN with "USER-NAME" in the place of a real username.



grouprequest "MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\GroupUniqueMember::factory" Mechanism to fetch user group data. There are four types available:
  • "MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\GroupMember::factory"
  • "MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\GroupUniqueMember::factory"
  • "MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\UserMemberOf::factory"
  • "MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\Configurable::factory"

Which one to choose depends on the LDAP backend.

GroupMember searches for "group" objects by "(member=$userDN)", including nested groups, if configured (see "nestedgroups" below).

GroupUniqueMember searches for "groupofUniqueName" objects where "(uniqueMember=$userDN)".

UserMemberOf searches for "memberOf" attributes of the user's own LDAP object.

"Configurable" does a custom search, "(&(objectclass=$objectClass)($groupAttribute=$userDN))". See groupobjectclass and groupattribute, below.

groupobjectclass "" In case Configurable is used in grouprequest the groupobjectclass can be specified here. E.g. group
groupattribute "member" In case Configurable is used in grouprequest the groupattribute can be specified here. E.g. member
presearchusernamemodifiers [] Username modifiers, for the purpose of LDAP-query.
Useful when LDAP usernames do not match MediaWiki username format.
( e.g. LDAP accounts use underscores-instead-of-spaces, or need to be lower-cased )
The modified username will be used with "searchstring" or "searchattribute" methods of determining user DN.

Use one-or-more of the available modifiers:

  • lowercase
  • removespaces
  • spacestounderscores

Sample Usage:
[ "lowercase" ]
[ "removespaces" ]
[ "spacestounderscores", "lowercase" ]

Working Example: Login-User Joe Bloggs will be translated to joe_bloggs LDAP search query,
with config of: [ "spacestounderscores", "lowercase" ]

Additional modifiers can be registered through the $LDAPProviderPreSearchUsernameModifierRegistry (see above) variable.

nestedgroups false Whether to use LDAP_MATCHING_RULE_IN_CHAIN to fetch nested groups. Will only work for Microsoft Active Directory and with grouprequest = MediaWiki\\Extension\\LDAPProvider\\UserGroupsRequest\\GroupMember::factory

Specifically, this is a search for group objects where "(member:1.2.840.113556.1.4.1941:=$userDN)".

Domain config providers

By default the domain specific configuration is held in a static JSON file. But one can also use a PHP based (dynamic) configuration. The relevant extension configuration is $LDAPProviderDomainConfigProvider. It needs to be a callback that returns an object of type IDomainConfigProvider.

Static JSON file

This is the default way. Just set up the extension configuration $LDAPProviderDomainConfigs to point to a valid JSON file (should be outside of web root).

$LDAPProviderDomainConfigs = "$IP/../ldapprovider.json";


	"LDAP": {
		"connection": {
			"server": "ldap.forumsys.com",
			"user": "cn=read-only-admin,dc=example,dc=com",
			"pass": "password",
			"options": {
			"basedn": "dc=example,dc=com",
			"groupbasedn": "dc=example,dc=com",
			"userbasedn": "dc=example,dc=com",
			"searchattribute": "uid",
			"searchstring": "uid=USER-NAME,dc=example,dc=com",
			"usernameattribute": "uid",
			"realnameattribute": "cn",
			"emailattribute": "mail"

Dynamic PHP array

As an alternative to the JSON file one can use a PHP array to configure the domains. In this case, just have the $LDAPProviderDomainConfigs callback return an instance of InlinePHPArray.


$LDAPProviderDomainConfigProvider = function() {
	$config = [
		'LDAP' => [
			'connection' => [
				"server" => "ldap.forumsys.com",
				"user" => "cn=read-only-admin,dc=example,dc=com",
				"pass" => 'password',
				"options" => [
					"LDAP_OPT_DEREF" => 1
				"basedn" => "dc=example,dc=com",
				"groupbasedn" => "dc=example,dc=com",
				"userbasedn" => "dc=example,dc=com",
				"searchattribute" => "uid",
				"searchstring" => "uid=USER-NAME,dc=example,dc=com",
				"usernameattribute" => "uid",
				"realnameattribute" => "cn",
				"emailattribute" => "mail"

	return new \MediaWiki\Extension\LDAPProvider\DomainConfigProvider\InlinePHPArray( $config );


LDAP Stack Extensions are targeted/qualified for MediaWiki LTS releases only.
However, this table helps to determine which extension-releases to use across all recent versions.

MediaWiki リリース Recommended Extension Version テストの状態 最終テスト日
1.31 (LTS) LDAPxxx_REL1_31 テスト済、推奨 2020年3月
1.32 LDAPxxx_REL1_31 未テスト -
1.33 LDAPxxx_REL1_31 テスト済 2020年3月
1.34 LDAPxxx_REL1_31 テスト済 2020年3月
1.35 (LTS Planned) LDAPxxx_master テスト済 2020年3月


Exception: "No configuration available for domain 'XYZ'!"

Please make sure, that the values in the database field ldap_domains.domain_id match with the values set in the first level of the domain-configuration (e.g. in ldapprovider.json, you will need to replace "LDAP" at the top level with your domain. This can be checked by viewing the $_SERVER['USERDOMAIN'] entry in your server's phpinfo() ). If they don't, you can either change the entries in the database using UPDATE ldap_domains SET domain_id = "DomainNameAsInConfiguration"; or adapt the configuration. Attention: In the current version, the domain name is case sensitive.

Exception: "No section 'authorization' found in configuration for domain 'LDAP'"

If you enabled the LDAPAuthorization extension (as recommended in the PluggableAuth documentation), you need to add the authorization configuration in the LDAPProvider domain config (more info here)

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