RocketChat/Rocket.Chat

import type { IImportUser, ILDAPEntry } from '@rocket.chat/core-typings';
import type { Logger } from '@rocket.chat/logger';

import { templateVarHandler } from '../../../../app/utils/lib/templateVarHandler';
import { getNestedProp } from '../../../../server/lib/getNestedProp';
import { replacesNestedValues } from './replacesNestedValues';

export const copyCustomFieldsLDAP = (
    {
        ldapUser,
        userData,
        customFieldsSettings,
        customFieldsMap,
        syncCustomFields,
    }: {
        ldapUser: ILDAPEntry;
        userData: IImportUser;
        syncCustomFields: boolean;
        customFieldsSettings: string;
        customFieldsMap: string;
    },
    logger: Logger,
): void => {
    if (!syncCustomFields) {
        return;
    }

    if (!customFieldsMap || !customFieldsSettings) {
        if (customFieldsMap) {
            logger.debug('Skipping LDAP custom fields because there are no custom map fields configured.');
            return;
        }
        logger.debug('Skipping LDAP custom fields because there are no custom fields configured.');
        return;
    }

    const map: Record<string, string> = (() => {
        try {
            return JSON.parse(customFieldsMap);
        } catch (err) {
            logger.error({ msg: 'Error parsing LDAP custom fields map.', err });
        }
    })();

    if (!map) {
        return;
    }

    let customFields: Record<string, any>;
    try {
        customFields = JSON.parse(customFieldsSettings) as Record<string, any>;
    } catch (err) {
        logger.error({ msg: 'Failed to parse Custom Fields', err });
        return;
    }

    Object.entries(map).forEach(([ldapField, userField]) => {
        if (!getNestedProp(customFields, userField)) {
            logger.debug(`User attribute does not exist: ${userField}`);
            return;
        }

        const value = templateVarHandler(ldapField, ldapUser);

        if (!value) {
            return;
        }

        userData.customFields = replacesNestedValues({ ...userData.customFields }, userField, value);
    });
};