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fix(LDAP): use displayname from DB, before reaching out to LDAP

Browse source 
As we do it with other information of the user, we now use the known value
of a users displayname, and leave the updating to the background job. This
improves performance of user facing actions where the display name is
required and reduces queries to the LDAP server that are typically more
expensive.

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
This commit is contained in:
Arthur Schiwon 2026-03-18 10:49:57 +01:00 committed by backportbot[bot]
parent f8652506ac
commit d70f67e93d
3 changed files with 56 additions and 40 deletions
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20
apps/user_ldap/lib/Access.php
View file

@ -704,7 +704,7 @@ class Access extends LDAPUtility {
continue;
}
$sndName = $ldapObject[$sndAttribute][0] ?? '';
$this->cacheUserDisplayName($ncName, $nameByLDAP, $sndName);
$this->applyUserDisplayName($ncName, $nameByLDAP, $sndName);
} elseif ($nameByLDAP !== null) {
$this->cacheGroupDisplayName($ncName, $nameByLDAP);
}
@ -752,20 +752,16 @@ class Access extends LDAPUtility {
$this->connection->writeToCache('groupExists' . $gid, true);
}
/**
* caches the user display name
*
* @param string $ocName the internal Nextcloud username
* @param string $displayName the display name
* @param string $displayName2 the second display name
* @throws \Exception
*/
public function cacheUserDisplayName(string $ocName, string $displayName, string $displayName2 = ''): void {
$user = $this->userManager->get($ocName);
public function applyUserDisplayName(string $uid, string $displayName, string $displayName2 = ''): void {
$user = $this->userManager->get($uid);
if ($user === null) {
return;
}
$displayName = $user->composeAndStoreDisplayName($displayName, $displayName2);
$composedDisplayName = $user->composeAndStoreDisplayName($displayName, $displayName2);
$this->cacheUserDisplayName($uid, $composedDisplayName);
}
public function cacheUserDisplayName(string $ocName, string $displayName): void {
$cacheKeyTrunk = 'getDisplayName';
$this->connection->writeToCache($cacheKeyTrunk . $ocName, $displayName);
}

12
apps/user_ldap/lib/User/User.php
View file

@ -118,12 +118,8 @@ class User {
$displayName2 = (string)$ldapEntry[$attr][0];
}
if ($displayName !== '') {
$this->composeAndStoreDisplayName($displayName, $displayName2);
$this->access->cacheUserDisplayName(
$this->getUsername(),
$displayName,
$displayName2
);
$composedDisplayName = $this->composeAndStoreDisplayName($displayName, $displayName2);
$this->access->cacheUserDisplayName($this->getUsername(), $composedDisplayName);
}
unset($attr);
@ -456,6 +452,10 @@ class User {
return $displayName;
}
public function fetchStoredDisplayName(): string {
return $this->userConfig->getValueString($this->uid, 'user_ldap', 'displayName', '');
}
/**
* Stores the LDAP Username in the Database
*/

64
apps/user_ldap/lib/User_LDAP.php
View file

@ -420,26 +420,21 @@ class User_LDAP extends BackendUtility implements IUserBackend, UserInterface, I
return $path;
}
/**
* get display name of the user
* @param string $uid user ID of the user
* @return string|false display name
*/
public function getDisplayName($uid) {
if ($this->userPluginManager->implementsActions(Backend::GET_DISPLAYNAME)) {
return $this->userPluginManager->getDisplayName($uid);
private function getDisplayNameFromDatabase(string $uid): ?string {
$user = $this->access->userManager->get($uid);
if ($user instanceof User) {
$displayName = $user->fetchStoredDisplayName();
if ($displayName !== '') {
return $displayName;
}
}
if (!$this->userExists($uid)) {
return false;
if ($user instanceof OfflineUser) {
return $user->getDisplayName();
}
return null;
}
$cacheKey = 'getDisplayName' . $uid;
if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) {
return $displayName;
}
//Check whether the display name is configured to have a 2nd feature
private function getDisplayNameFromLdap(string $uid): string {
$additionalAttribute = $this->access->connection->ldapUserDisplayName2;
$displayName2 = '';
if ($additionalAttribute !== '') {
@ -461,16 +456,40 @@ class User_LDAP extends BackendUtility implements IUserBackend, UserInterface, I
$user = $this->access->userManager->get($uid);
if ($user instanceof User) {
$displayName = $user->composeAndStoreDisplayName($displayName, (string)$displayName2);
$this->access->connection->writeToCache($cacheKey, $displayName);
return $user->composeAndStoreDisplayName($displayName, (string)$displayName2);
}
if ($user instanceof OfflineUser) {
$displayName = $user->getDisplayName();
return $user->getDisplayName();
}
}
return '';
}
public function getDisplayName($uid): string {
if ($this->userPluginManager->implementsActions(Backend::GET_DISPLAYNAME)) {
return $this->userPluginManager->getDisplayName($uid);
}
if (!$this->userExists($uid)) {
return '';
}
$cacheKey = 'getDisplayName' . $uid;
if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) {
return $displayName;
}
return null;
if ($displayName = $this->getDisplayNameFromDatabase($uid)) {
$this->access->connection->writeToCache($cacheKey, $displayName);
return $displayName;
}
if ($displayName = $this->getDisplayNameFromLdap($uid)) {
$this->access->connection->writeToCache($cacheKey, $displayName);
}
return $displayName;
}
/**
@ -494,7 +513,8 @@ class User_LDAP extends BackendUtility implements IUserBackend, UserInterface, I
* @param string $search
* @param int|null $limit
* @param int|null $offset
* @return array an array of all displayNames (value) and the corresponding uids (key)
* @return array an array of all displayNames (value) and the corresponding
* uids (key)
*/
public function getDisplayNames($search = '', $limit = null, $offset = null) {
$cacheKey = 'getDisplayNames-' . $search . '-' . $limit . '-' . $offset;