diff options
Diffstat (limited to 'apps/user_ldap/lib/Configuration.php')
-rw-r--r-- | apps/user_ldap/lib/Configuration.php | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/apps/user_ldap/lib/Configuration.php b/apps/user_ldap/lib/Configuration.php new file mode 100644 index 00000000000..b4a5b847204 --- /dev/null +++ b/apps/user_ldap/lib/Configuration.php @@ -0,0 +1,687 @@ +<?php + +/** + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. + * SPDX-License-Identifier: AGPL-3.0-only + */ +namespace OCA\User_LDAP; + +use OCP\IConfig; +use OCP\Server; +use Psr\Log\LoggerInterface; + +/** + * @property string $ldapHost + * @property string $ldapPort + * @property string $ldapBackupHost + * @property string $ldapBackupPort + * @property string $ldapBackgroundHost + * @property string $ldapBackgroundPort + * @property array|'' $ldapBase + * @property array|'' $ldapBaseUsers + * @property array|'' $ldapBaseGroups + * @property string $ldapAgentName + * @property string $ldapAgentPassword + * @property string $ldapTLS + * @property string $turnOffCertCheck + * @property string $ldapIgnoreNamingRules + * @property string $ldapUserDisplayName + * @property string $ldapUserDisplayName2 + * @property string $ldapUserAvatarRule + * @property string $ldapGidNumber + * @property array|'' $ldapUserFilterObjectclass + * @property array|'' $ldapUserFilterGroups + * @property string $ldapUserFilter + * @property string $ldapUserFilterMode + * @property string $ldapGroupFilter + * @property string $ldapGroupFilterMode + * @property array|'' $ldapGroupFilterObjectclass + * @property array|'' $ldapGroupFilterGroups + * @property string $ldapGroupDisplayName + * @property string $ldapGroupMemberAssocAttr + * @property string $ldapLoginFilter + * @property string $ldapLoginFilterMode + * @property string $ldapLoginFilterEmail + * @property string $ldapLoginFilterUsername + * @property array|'' $ldapLoginFilterAttributes + * @property string $ldapQuotaAttribute + * @property string $ldapQuotaDefault + * @property string $ldapEmailAttribute + * @property string $ldapCacheTTL + * @property string $ldapUuidUserAttribute + * @property string $ldapUuidGroupAttribute + * @property string $ldapOverrideMainServer + * @property string $ldapConfigurationActive + * @property array|'' $ldapAttributesForUserSearch + * @property array|'' $ldapAttributesForGroupSearch + * @property string $ldapExperiencedAdmin + * @property string $homeFolderNamingRule + * @property string $hasMemberOfFilterSupport + * @property string $useMemberOfToDetectMembership + * @property string $ldapExpertUsernameAttr + * @property string $ldapExpertUUIDUserAttr + * @property string $ldapExpertUUIDGroupAttr + * @property string $markRemnantsAsDisabled + * @property string $lastJpegPhotoLookup + * @property string $ldapNestedGroups + * @property string $ldapPagingSize + * @property string $turnOnPasswordChange + * @property string $ldapDynamicGroupMemberURL + * @property string $ldapDefaultPPolicyDN + * @property string $ldapExtStorageHomeAttribute + * @property string $ldapMatchingRuleInChainState + * @property string $ldapConnectionTimeout + * @property string $ldapAttributePhone + * @property string $ldapAttributeWebsite + * @property string $ldapAttributeAddress + * @property string $ldapAttributeTwitter + * @property string $ldapAttributeFediverse + * @property string $ldapAttributeOrganisation + * @property string $ldapAttributeRole + * @property string $ldapAttributeHeadline + * @property string $ldapAttributeBiography + * @property string $ldapAdminGroup + * @property string $ldapAttributeBirthDate + * @property string $ldapAttributePronouns + */ +class Configuration { + public const AVATAR_PREFIX_DEFAULT = 'default'; + public const AVATAR_PREFIX_NONE = 'none'; + public const AVATAR_PREFIX_DATA_ATTRIBUTE = 'data:'; + + public const LDAP_SERVER_FEATURE_UNKNOWN = 'unknown'; + public const LDAP_SERVER_FEATURE_AVAILABLE = 'available'; + public const LDAP_SERVER_FEATURE_UNAVAILABLE = 'unavailable'; + /** + * @var bool + */ + protected $configRead = false; + /** + * @var string[] + */ + protected array $unsavedChanges = []; + + /** + * @var array<string, mixed> settings + */ + protected $config = [ + 'ldapHost' => null, + 'ldapPort' => null, + 'ldapBackupHost' => null, + 'ldapBackupPort' => null, + 'ldapBackgroundHost' => null, + 'ldapBackgroundPort' => null, + 'ldapBase' => null, + 'ldapBaseUsers' => null, + 'ldapBaseGroups' => null, + 'ldapAgentName' => null, + 'ldapAgentPassword' => null, + 'ldapTLS' => null, + 'turnOffCertCheck' => null, + 'ldapIgnoreNamingRules' => null, + 'ldapUserDisplayName' => null, + 'ldapUserDisplayName2' => null, + 'ldapUserAvatarRule' => null, + 'ldapGidNumber' => null, + 'ldapUserFilterObjectclass' => null, + 'ldapUserFilterGroups' => null, + 'ldapUserFilter' => null, + 'ldapUserFilterMode' => null, + 'ldapGroupFilter' => null, + 'ldapGroupFilterMode' => null, + 'ldapGroupFilterObjectclass' => null, + 'ldapGroupFilterGroups' => null, + 'ldapGroupDisplayName' => null, + 'ldapGroupMemberAssocAttr' => null, + 'ldapLoginFilter' => null, + 'ldapLoginFilterMode' => null, + 'ldapLoginFilterEmail' => null, + 'ldapLoginFilterUsername' => null, + 'ldapLoginFilterAttributes' => null, + 'ldapQuotaAttribute' => null, + 'ldapQuotaDefault' => null, + 'ldapEmailAttribute' => null, + 'ldapCacheTTL' => null, + 'ldapUuidUserAttribute' => 'auto', + 'ldapUuidGroupAttribute' => 'auto', + 'ldapOverrideMainServer' => false, + 'ldapConfigurationActive' => false, + 'ldapAttributesForUserSearch' => null, + 'ldapAttributesForGroupSearch' => null, + 'ldapExperiencedAdmin' => false, + 'homeFolderNamingRule' => null, + 'hasMemberOfFilterSupport' => false, + 'useMemberOfToDetectMembership' => true, + 'ldapExpertUsernameAttr' => null, + 'ldapExpertUUIDUserAttr' => null, + 'ldapExpertUUIDGroupAttr' => null, + 'markRemnantsAsDisabled' => false, + 'lastJpegPhotoLookup' => null, + 'ldapNestedGroups' => false, + 'ldapPagingSize' => null, + 'turnOnPasswordChange' => false, + 'ldapDynamicGroupMemberURL' => null, + 'ldapDefaultPPolicyDN' => null, + 'ldapExtStorageHomeAttribute' => null, + 'ldapMatchingRuleInChainState' => self::LDAP_SERVER_FEATURE_UNKNOWN, + 'ldapConnectionTimeout' => 15, + 'ldapAttributePhone' => null, + 'ldapAttributeWebsite' => null, + 'ldapAttributeAddress' => null, + 'ldapAttributeTwitter' => null, + 'ldapAttributeFediverse' => null, + 'ldapAttributeOrganisation' => null, + 'ldapAttributeRole' => null, + 'ldapAttributeHeadline' => null, + 'ldapAttributeBiography' => null, + 'ldapAdminGroup' => '', + 'ldapAttributeBirthDate' => null, + 'ldapAttributeAnniversaryDate' => null, + 'ldapAttributePronouns' => null, + ]; + + public function __construct( + protected string $configPrefix, + bool $autoRead = true, + ) { + if ($autoRead) { + $this->readConfiguration(); + } + } + + /** + * @param string $name + * @return mixed|null + */ + public function __get($name) { + if (isset($this->config[$name])) { + return $this->config[$name]; + } + return null; + } + + /** + * @param string $name + * @param mixed $value + */ + public function __set($name, $value) { + $this->setConfiguration([$name => $value]); + } + + public function getConfiguration(): array { + return $this->config; + } + + /** + * set LDAP configuration with values delivered by an array, not read + * from configuration. It does not save the configuration! To do so, you + * must call saveConfiguration afterwards. + * @param array $config array that holds the config parameters in an associated + * array + * @param array &$applied optional; array where the set fields will be given to + */ + public function setConfiguration(array $config, ?array &$applied = null): void { + $cta = $this->getConfigTranslationArray(); + foreach ($config as $inputKey => $val) { + if (str_contains($inputKey, '_') && array_key_exists($inputKey, $cta)) { + $key = $cta[$inputKey]; + } elseif (array_key_exists($inputKey, $this->config)) { + $key = $inputKey; + } else { + continue; + } + + $setMethod = 'setValue'; + switch ($key) { + case 'ldapAgentPassword': + $setMethod = 'setRawValue'; + break; + case 'homeFolderNamingRule': + $trimmedVal = trim($val); + if ($trimmedVal !== '' && !str_contains($val, 'attr:')) { + $val = 'attr:' . $trimmedVal; + } + break; + case 'ldapBase': + case 'ldapBaseUsers': + case 'ldapBaseGroups': + case 'ldapAttributesForUserSearch': + case 'ldapAttributesForGroupSearch': + case 'ldapUserFilterObjectclass': + case 'ldapUserFilterGroups': + case 'ldapGroupFilterObjectclass': + case 'ldapGroupFilterGroups': + case 'ldapLoginFilterAttributes': + $setMethod = 'setMultiLine'; + break; + } + $this->$setMethod($key, $val); + if (is_array($applied)) { + $applied[] = $inputKey; + // storing key as index avoids duplication, and as value for simplicity + } + $this->unsavedChanges[$key] = $key; + } + } + + public function readConfiguration(): void { + if (!$this->configRead) { + $cta = array_flip($this->getConfigTranslationArray()); + foreach ($this->config as $key => $val) { + if (!isset($cta[$key])) { + //some are determined + continue; + } + $dbKey = $cta[$key]; + switch ($key) { + case 'ldapBase': + case 'ldapBaseUsers': + case 'ldapBaseGroups': + case 'ldapAttributesForUserSearch': + case 'ldapAttributesForGroupSearch': + case 'ldapUserFilterObjectclass': + case 'ldapUserFilterGroups': + case 'ldapGroupFilterObjectclass': + case 'ldapGroupFilterGroups': + case 'ldapLoginFilterAttributes': + $readMethod = 'getMultiLine'; + break; + case 'ldapIgnoreNamingRules': + $readMethod = 'getSystemValue'; + $dbKey = $key; + break; + case 'ldapAgentPassword': + $readMethod = 'getPwd'; + break; + case 'ldapUserDisplayName2': + case 'ldapGroupDisplayName': + case 'ldapGidNumber': + case 'ldapGroupMemberAssocAttr': + case 'ldapQuotaAttribute': + case 'ldapEmailAttribute': + case 'ldapUuidUserAttribute': + case 'ldapUuidGroupAttribute': + case 'ldapExpertUsernameAttr': + case 'ldapExpertUUIDUserAttr': + case 'ldapExpertUUIDGroupAttr': + case 'ldapExtStorageHomeAttribute': + case 'ldapAttributePhone': + case 'ldapAttributeWebsite': + case 'ldapAttributeAddress': + case 'ldapAttributeTwitter': + case 'ldapAttributeFediverse': + case 'ldapAttributeOrganisation': + case 'ldapAttributeRole': + case 'ldapAttributeHeadline': + case 'ldapAttributeBiography': + case 'ldapAttributeBirthDate': + case 'ldapAttributeAnniversaryDate': + case 'ldapAttributePronouns': + $readMethod = 'getLcValue'; + break; + case 'ldapUserDisplayName': + default: + // user display name does not lower case because + // we rely on an upper case N as indicator whether to + // auto-detect it or not. FIXME + $readMethod = 'getValue'; + break; + } + $this->config[$key] = $this->$readMethod($dbKey); + } + $this->configRead = true; + } + } + + /** + * saves the current config changes in the database + */ + public function saveConfiguration(): void { + $cta = array_flip($this->getConfigTranslationArray()); + $changed = false; + foreach ($this->unsavedChanges as $key) { + $value = $this->config[$key]; + switch ($key) { + case 'ldapAgentPassword': + $value = base64_encode($value); + break; + case 'ldapBase': + case 'ldapBaseUsers': + case 'ldapBaseGroups': + case 'ldapAttributesForUserSearch': + case 'ldapAttributesForGroupSearch': + case 'ldapUserFilterObjectclass': + case 'ldapUserFilterGroups': + case 'ldapGroupFilterObjectclass': + case 'ldapGroupFilterGroups': + case 'ldapLoginFilterAttributes': + if (is_array($value)) { + $value = implode("\n", $value); + } + break; + //following options are not stored but detected, skip them + case 'ldapIgnoreNamingRules': + case 'ldapUuidUserAttribute': + case 'ldapUuidGroupAttribute': + continue 2; + } + if (is_null($value)) { + $value = ''; + } + $changed = true; + $this->saveValue($cta[$key], $value); + } + if ($changed) { + $this->saveValue('_lastChange', (string)time()); + } + $this->unsavedChanges = []; + } + + /** + * @param string $varName + * @return array|string + */ + protected function getMultiLine($varName) { + $value = $this->getValue($varName); + if (empty($value)) { + $value = ''; + } else { + $value = preg_split('/\r\n|\r|\n/', $value); + } + + return $value; + } + + /** + * Sets multi-line values as arrays + * + * @param string $varName name of config-key + * @param array|string $value to set + */ + protected function setMultiLine(string $varName, $value): void { + if (empty($value)) { + $value = ''; + } elseif (!is_array($value)) { + $value = preg_split('/\r\n|\r|\n|;/', $value); + if ($value === false) { + $value = ''; + } + } + + if (!is_array($value)) { + $finalValue = trim($value); + } else { + $finalValue = []; + foreach ($value as $key => $val) { + if (is_string($val)) { + $val = trim($val); + if ($val !== '') { + //accidental line breaks are not wanted and can cause + // odd behaviour. Thus, away with them. + $finalValue[] = $val; + } + } else { + $finalValue[] = $val; + } + } + } + + $this->setRawValue($varName, $finalValue); + } + + protected function getPwd(string $varName): string { + return base64_decode($this->getValue($varName)); + } + + protected function getLcValue(string $varName): string { + return mb_strtolower($this->getValue($varName), 'UTF-8'); + } + + protected function getSystemValue(string $varName): string { + //FIXME: if another system value is added, softcode the default value + return Server::get(IConfig::class)->getSystemValue($varName, false); + } + + protected function getValue(string $varName): string { + static $defaults; + if (is_null($defaults)) { + $defaults = $this->getDefaults(); + } + return Server::get(IConfig::class)->getAppValue('user_ldap', + $this->configPrefix . $varName, + $defaults[$varName]); + } + + /** + * Sets a scalar value. + * + * @param string $varName name of config key + * @param mixed $value to set + */ + protected function setValue(string $varName, $value): void { + if (is_string($value)) { + $value = trim($value); + } + $this->config[$varName] = $value; + } + + /** + * Sets a scalar value without trimming. + * + * @param string $varName name of config key + * @param mixed $value to set + */ + protected function setRawValue(string $varName, $value): void { + $this->config[$varName] = $value; + } + + protected function saveValue(string $varName, string $value): bool { + Server::get(IConfig::class)->setAppValue( + 'user_ldap', + $this->configPrefix . $varName, + $value + ); + return true; + } + + /** + * @return array an associative array with the default values. Keys are correspond + * to config-value entries in the database table + */ + public function getDefaults(): array { + return [ + 'ldap_host' => '', + 'ldap_port' => '', + 'ldap_backup_host' => '', + 'ldap_backup_port' => '', + 'ldap_background_host' => '', + 'ldap_background_port' => '', + 'ldap_override_main_server' => '', + 'ldap_dn' => '', + 'ldap_agent_password' => '', + 'ldap_base' => '', + 'ldap_base_users' => '', + 'ldap_base_groups' => '', + 'ldap_userlist_filter' => '', + 'ldap_user_filter_mode' => 0, + 'ldap_userfilter_objectclass' => '', + 'ldap_userfilter_groups' => '', + 'ldap_login_filter' => '', + 'ldap_login_filter_mode' => 0, + 'ldap_loginfilter_email' => 0, + 'ldap_loginfilter_username' => 1, + 'ldap_loginfilter_attributes' => '', + 'ldap_group_filter' => '', + 'ldap_group_filter_mode' => 0, + 'ldap_groupfilter_objectclass' => '', + 'ldap_groupfilter_groups' => '', + 'ldap_gid_number' => 'gidNumber', + 'ldap_display_name' => 'displayName', + 'ldap_user_display_name_2' => '', + 'ldap_group_display_name' => 'cn', + 'ldap_tls' => 0, + 'ldap_quota_def' => '', + 'ldap_quota_attr' => '', + 'ldap_email_attr' => '', + 'ldap_group_member_assoc_attribute' => '', + 'ldap_cache_ttl' => 600, + 'ldap_uuid_user_attribute' => 'auto', + 'ldap_uuid_group_attribute' => 'auto', + 'home_folder_naming_rule' => '', + 'ldap_turn_off_cert_check' => 0, + 'ldap_configuration_active' => 0, + 'ldap_attributes_for_user_search' => '', + 'ldap_attributes_for_group_search' => '', + 'ldap_expert_username_attr' => '', + 'ldap_expert_uuid_user_attr' => '', + 'ldap_expert_uuid_group_attr' => '', + 'has_memberof_filter_support' => 0, + 'use_memberof_to_detect_membership' => 1, + 'ldap_mark_remnants_as_disabled' => 0, + 'last_jpegPhoto_lookup' => 0, + 'ldap_nested_groups' => 0, + 'ldap_paging_size' => 500, + 'ldap_turn_on_pwd_change' => 0, + 'ldap_experienced_admin' => 0, + 'ldap_dynamic_group_member_url' => '', + 'ldap_default_ppolicy_dn' => '', + 'ldap_user_avatar_rule' => 'default', + 'ldap_ext_storage_home_attribute' => '', + 'ldap_matching_rule_in_chain_state' => self::LDAP_SERVER_FEATURE_UNKNOWN, + 'ldap_connection_timeout' => 15, + 'ldap_attr_phone' => '', + 'ldap_attr_website' => '', + 'ldap_attr_address' => '', + 'ldap_attr_twitter' => '', + 'ldap_attr_fediverse' => '', + 'ldap_attr_organisation' => '', + 'ldap_attr_role' => '', + 'ldap_attr_headline' => '', + 'ldap_attr_biography' => '', + 'ldap_admin_group' => '', + 'ldap_attr_birthdate' => '', + 'ldap_attr_anniversarydate' => '', + 'ldap_attr_pronouns' => '', + ]; + } + + /** + * @return array that maps internal variable names to database fields + */ + public function getConfigTranslationArray(): array { + //TODO: merge them into one representation + static $array = [ + 'ldap_host' => 'ldapHost', + 'ldap_port' => 'ldapPort', + 'ldap_backup_host' => 'ldapBackupHost', + 'ldap_backup_port' => 'ldapBackupPort', + 'ldap_background_host' => 'ldapBackgroundHost', + 'ldap_background_port' => 'ldapBackgroundPort', + 'ldap_override_main_server' => 'ldapOverrideMainServer', + 'ldap_dn' => 'ldapAgentName', + 'ldap_agent_password' => 'ldapAgentPassword', + 'ldap_base' => 'ldapBase', + 'ldap_base_users' => 'ldapBaseUsers', + 'ldap_base_groups' => 'ldapBaseGroups', + 'ldap_userfilter_objectclass' => 'ldapUserFilterObjectclass', + 'ldap_userfilter_groups' => 'ldapUserFilterGroups', + 'ldap_userlist_filter' => 'ldapUserFilter', + 'ldap_user_filter_mode' => 'ldapUserFilterMode', + 'ldap_user_avatar_rule' => 'ldapUserAvatarRule', + 'ldap_login_filter' => 'ldapLoginFilter', + 'ldap_login_filter_mode' => 'ldapLoginFilterMode', + 'ldap_loginfilter_email' => 'ldapLoginFilterEmail', + 'ldap_loginfilter_username' => 'ldapLoginFilterUsername', + 'ldap_loginfilter_attributes' => 'ldapLoginFilterAttributes', + 'ldap_group_filter' => 'ldapGroupFilter', + 'ldap_group_filter_mode' => 'ldapGroupFilterMode', + 'ldap_groupfilter_objectclass' => 'ldapGroupFilterObjectclass', + 'ldap_groupfilter_groups' => 'ldapGroupFilterGroups', + 'ldap_gid_number' => 'ldapGidNumber', + 'ldap_display_name' => 'ldapUserDisplayName', + 'ldap_user_display_name_2' => 'ldapUserDisplayName2', + 'ldap_group_display_name' => 'ldapGroupDisplayName', + 'ldap_tls' => 'ldapTLS', + 'ldap_quota_def' => 'ldapQuotaDefault', + 'ldap_quota_attr' => 'ldapQuotaAttribute', + 'ldap_email_attr' => 'ldapEmailAttribute', + 'ldap_group_member_assoc_attribute' => 'ldapGroupMemberAssocAttr', + 'ldap_cache_ttl' => 'ldapCacheTTL', + 'home_folder_naming_rule' => 'homeFolderNamingRule', + 'ldap_turn_off_cert_check' => 'turnOffCertCheck', + 'ldap_configuration_active' => 'ldapConfigurationActive', + 'ldap_attributes_for_user_search' => 'ldapAttributesForUserSearch', + 'ldap_attributes_for_group_search' => 'ldapAttributesForGroupSearch', + 'ldap_expert_username_attr' => 'ldapExpertUsernameAttr', + 'ldap_expert_uuid_user_attr' => 'ldapExpertUUIDUserAttr', + 'ldap_expert_uuid_group_attr' => 'ldapExpertUUIDGroupAttr', + 'has_memberof_filter_support' => 'hasMemberOfFilterSupport', + 'use_memberof_to_detect_membership' => 'useMemberOfToDetectMembership', + 'ldap_mark_remnants_as_disabled' => 'markRemnantsAsDisabled', + 'last_jpegPhoto_lookup' => 'lastJpegPhotoLookup', + 'ldap_nested_groups' => 'ldapNestedGroups', + 'ldap_paging_size' => 'ldapPagingSize', + 'ldap_turn_on_pwd_change' => 'turnOnPasswordChange', + 'ldap_experienced_admin' => 'ldapExperiencedAdmin', + 'ldap_dynamic_group_member_url' => 'ldapDynamicGroupMemberURL', + 'ldap_default_ppolicy_dn' => 'ldapDefaultPPolicyDN', + 'ldap_ext_storage_home_attribute' => 'ldapExtStorageHomeAttribute', + 'ldap_matching_rule_in_chain_state' => 'ldapMatchingRuleInChainState', + 'ldapIgnoreNamingRules' => 'ldapIgnoreNamingRules', // sysconfig + 'ldap_connection_timeout' => 'ldapConnectionTimeout', + 'ldap_attr_phone' => 'ldapAttributePhone', + 'ldap_attr_website' => 'ldapAttributeWebsite', + 'ldap_attr_address' => 'ldapAttributeAddress', + 'ldap_attr_twitter' => 'ldapAttributeTwitter', + 'ldap_attr_fediverse' => 'ldapAttributeFediverse', + 'ldap_attr_organisation' => 'ldapAttributeOrganisation', + 'ldap_attr_role' => 'ldapAttributeRole', + 'ldap_attr_headline' => 'ldapAttributeHeadline', + 'ldap_attr_biography' => 'ldapAttributeBiography', + 'ldap_admin_group' => 'ldapAdminGroup', + 'ldap_attr_birthdate' => 'ldapAttributeBirthDate', + 'ldap_attr_anniversarydate' => 'ldapAttributeAnniversaryDate', + 'ldap_attr_pronouns' => 'ldapAttributePronouns', + ]; + return $array; + } + + /** + * @throws \RuntimeException + */ + public function resolveRule(string $rule): array { + if ($rule === 'avatar') { + return $this->getAvatarAttributes(); + } + throw new \RuntimeException('Invalid rule'); + } + + public function getAvatarAttributes(): array { + $value = $this->ldapUserAvatarRule ?: self::AVATAR_PREFIX_DEFAULT; + $defaultAttributes = ['jpegphoto', 'thumbnailphoto']; + + if ($value === self::AVATAR_PREFIX_NONE) { + return []; + } + if (str_starts_with($value, self::AVATAR_PREFIX_DATA_ATTRIBUTE)) { + $attribute = trim(substr($value, strlen(self::AVATAR_PREFIX_DATA_ATTRIBUTE))); + if ($attribute === '') { + return $defaultAttributes; + } + return [strtolower($attribute)]; + } + if ($value !== self::AVATAR_PREFIX_DEFAULT) { + Server::get(LoggerInterface::class)->warning('Invalid config value to ldapUserAvatarRule; falling back to default.'); + } + return $defaultAttributes; + } + + /** + * Returns TRUE if the ldapHost variable starts with 'ldapi://' + */ + public function usesLdapi(): bool { + $host = $this->config['ldapHost']; + return is_string($host) && (substr($host, 0, strlen('ldapi://')) === 'ldapi://'); + } +} |