118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
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const LDAPController = require('./LDAPController')
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const LDAP = require('ldapjs')
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class SudoController extends LDAPController {
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static get services() {
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return [
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...super.services,
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'output',
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'ldap_server',
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'models',
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'configs',
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'auth'
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]
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}
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constructor() {
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super()
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this.Group = this.models.get('auth:Group')
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this.User = this.models.get('auth:User')
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}
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// TODO flitter-orm chunk query
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// TODO generalize scoped search logic
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async search_sudo(req, res, next) {
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if ( !req.user.can('ldap:search:sudo') ) {
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return next(new LDAP.InsufficientAccessRightsError())
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}
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if ( req.scope === 'base' ) {
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// If scope is base, check if the base DN matches the filter.
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// If so, return it. Else, return empty.
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this.output.debug(`Running base DN search for sudo with DN: ${req.dn.format(this.configs.get('ldap:server.format'))}`)
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const user = await this.get_resource_from_dn(req.dn)
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// Make sure the user is ldap visible && match the filter
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if ( user && user.ldap_visible && req.filter.matches(await user.to_sudo()) ) {
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// If so, send the object
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res.send({
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dn: user.sudo_dn.format(this.configs.get('ldap:server.format')),
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attributes: await user.to_sudo(),
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})
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}
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} else if ( req.scope === 'one' ) {
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// If scope is one, find all entries that are the immediate
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// subordinates of the base DN that match the filter.
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this.output.debug(`Running one DN search for sudo with DN: ${req.dn.format(this.configs.get('ldap:server.format'))}`)
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// Fetch the LDAP-visible users
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const users = await this.Group.sudo_directory()
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for ( const user of users ) {
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// Make sure the user os of the appropriate scope
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if ( req.dn.equals(user.sudo_dn) || user.sudo_dn.parent().equals(req.dn) ) {
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// Check if the filter matches
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if ( req.filter.matches(await user.to_sudo()) ) {
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// If so, send the object
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res.send({
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dn: user.sudo_dn.format(this.configs.get('ldap:server.format')),
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attributes: await user.to_sudo(),
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})
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}
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}
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}
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} else if ( req.scope === 'sub' ) {
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// If scope is sub, find all entries that are subordinates
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// of the base DN at any level and match the filter.
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this.output.debug(`Running sub DN search for sudo with DN: ${req.dn.format(this.configs.get('ldap:server.format'))}`)
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// Fetch the users as LDAP objects
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const users = await this.Group.sudo_directory()
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for ( const user of users ) {
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// Make sure the user is of appropriate scope
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if ( req.dn.equals(user.sudo_dn) || req.dn.parentOf(user.sudo_dn) ) {
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// Check if filter matches
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if ( req.filter.matches(await user.to_sudo()) ) {
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// If so, send the object
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res.send({
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dn: user.sudo_dn.format(this.configs.get('ldap:server.format')),
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attributes: await user.to_sudo(),
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})
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}
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}
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}
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} else {
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this.output.error(`Attempted to perform LDAP search with invalid scope: ${req.scope}`)
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return next(new LDAP.OtherError('Attempted to perform LDAP search with invalid scope.'))
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}
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res.end()
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return next()
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}
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get_cn_from_dn(dn) {
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try {
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if ( typeof dn === 'string' ) dn = LDAP.parseDN(dn)
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return dn.rdns[0].attrs.cn.value
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} catch (e) { console.log('Error parsing CN from DN', e) }
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}
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async get_resource_from_dn(sudo_dn) {
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const cn = this.get_cn_from_dn(sudo_dn)
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if ( cn ) {
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const user = this.User.findOne({uid: cn.substr(5), ldap_visible: true})
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if ( user && (await user.has_sudo()) ) return user
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}
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}
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}
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module.exports = exports = SudoController
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