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fix: do not fetch LDAP display name all the time #38624

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fix: do not fetch LDAP display name all the time #38624

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41 changes: 2 additions & 39 deletions apps/user_ldap/lib/User_LDAP.php
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Original file line number Diff line number Diff line change
Expand Up @@ -461,7 +461,7 @@
/**
* get display name of the user
* @param string $uid user ID of the user
* @return string|false display name
* @return ?string|false display name

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Code scanning / Psalm

ImplementedReturnTypeMismatch Note

The inherited return type 'string' for OCP\UserInterface::getDisplayName is different to the implemented return type for OCA\User_LDAP\User_LDAP::getdisplayname 'false|null|string'
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According to the interface this should always return a string. It seems other backends return the uid when a display name cannot be found.

*/
public function getDisplayName($uid) {
if ($this->userPluginManager->implementsActions(Backend::GET_DISPLAYNAME)) {
Expand All @@ -472,44 +472,7 @@
return false;
}

$cacheKey = 'getDisplayName'.$uid;
if (!is_null($displayName = $this->access->connection->getFromCache($cacheKey))) {
return $displayName;
}

//Check whether the display name is configured to have a 2nd feature
$additionalAttribute = $this->access->connection->ldapUserDisplayName2;
$displayName2 = '';
if ($additionalAttribute !== '') {
$displayName2 = $this->access->readAttribute(
$this->access->username2dn($uid),
$additionalAttribute);
}

$displayName = $this->access->readAttribute(
$this->access->username2dn($uid),
$this->access->connection->ldapUserDisplayName);

if ($displayName && (count($displayName) > 0)) {
$displayName = $displayName[0];

if (is_array($displayName2)) {
$displayName2 = count($displayName2) > 0 ? $displayName2[0] : '';
}

$user = $this->access->userManager->get($uid);
if ($user instanceof User) {
$displayName = $user->composeAndStoreDisplayName($displayName, $displayName2);
$this->access->connection->writeToCache($cacheKey, $displayName);
}
if ($user instanceof OfflineUser) {
/** @var OfflineUser $user*/
$displayName = $user->getDisplayName();
}
return $displayName;
}

return null;
return $this->ocConfig->getUserValue($uid, 'user_ldap', 'displayName', null);
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}

/**
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2 changes: 1 addition & 1 deletion lib/private/User/User.php
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Original file line number Diff line number Diff line change
Expand Up @@ -145,7 +145,7 @@ public function getDisplayName() {
if (!empty($displayName)) {
$this->displayName = $displayName;
} else {
$this->displayName = $this->uid;
return $this->uid;
}
}
return $this->displayName;
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