CoreID/app/unit/LDAPRoutingUnit.js

104 lines
4.4 KiB
JavaScript
Raw Normal View History

2020-04-18 00:25:33 +00:00
const CanonicalUnit = require('libflitter/canon/CanonicalUnit')
class LDAPRoutingUnit extends CanonicalUnit {
static get name() {
return 'ldap_routers'
}
static get services() {
return [...super.services, 'output', 'canon', 'ldap_server']
}
constructor(base_directory = './app/ldap/routes') {
super(base_directory)
this.canonical_item = 'ldap_router'
this.suffix = '.routes.js'
}
async init_canonical_file({app, name, instance}) {
const router_middleware = []
if ( !instance ) {
this.output.warn(`Skipping LDAP routing file ${name}. No members were exported.`)
}
this.output.info(`Building LDAP routes for router ${name}.`)
// Load the router-level middleware functions
if ( Array.isArray(instance.middleware) ) {
for ( const mw of instance.middleware ) {
const mw_instance = this.canon.get(`ldap_middleware::${mw}`)
if ( !mw_instance ) {
const msg = `Unable to create LDAP routes. Invalid or unknown LDAP middleware: ldap_middleware::${mw} in router ${name}.`
this.output.error(msg)
throw new Error(msg)
}
router_middleware.push(mw_instance)
}
}
this.output.debug(`Found ${router_middleware.length} router-level middlewares.`)
// Determine the prefix (suffix) and total suffix from config
let suffix = []
if ( instance.prefix && typeof instance.prefix === 'string' ) {
suffix.push(instance.prefix)
} else if ( instance.prefix !== false ) {
this.output.warn(`No prefix specified for LDAP routing file ${name}.`)
}
// If the server has a base DC=...,DC=... &c. suffix, include that
if ( this.ldap_server.config.schema.base_dc ) {
suffix.push(this.ldap_server.config.schema.base_dc)
}
suffix = suffix.join(',')
// Load the individual routes
const supported_ldap_types = [
'search', 'bind', 'add', 'del', 'modify', 'compare', 'modifyDN', 'exop', 'unbind',
]
// Iterate over the various query types that might be in the definition
for ( const type of supported_ldap_types ) {
if ( typeof instance[type] === 'object' ) {
// Iterate over each of the route definitions in the type definition
for ( const route_prefix in instance[type] ) {
if ( !instance[type].hasOwnProperty(route_prefix) ) continue
let route_handlers = instance[type][route_prefix]
if ( typeof route_handlers === 'string' ) route_handlers = [route_handlers]
if ( !Array.isArray(route_handlers) ) {
const msg = `Invalid route handlers for route ${route_prefix} (${type}) in router ${name}.`
this.output.error(msg)
throw new Error(msg)
}
let route_functions = [...router_middleware]
// For each of the route handler definitions, resolve the canonical
for ( const route_handler_name of route_handlers ) {
const route_handler = this.canon.get(route_handler_name)
if ( !route_handler || typeof route_handler !== 'function' ) {
const msg = `Unable to resolve route handler for route ${route_prefix} (${type}) in router ${name}. Handler name: ${route_handler_name}`
this.output.error(msg)
throw new Error(msg)
}
route_functions.push(route_handler)
}
this.output.debug(`Registering route ${type} :: ${[route_prefix, suffix].join(',')} with ${route_functions.length} handlers.`)
this.ldap_server.server[type]([route_prefix, suffix].join(','), ...route_functions)
}
} else {
// Unbind has a default handler, so don't warn about that.
if ( type !== 'unbind' )
this.output.warn(`Missing or invalid LDAP protocol definition ${type} in router ${name}. The protocol will be skipped.`)
2020-04-18 00:25:33 +00:00
}
}
}
}
module.exports = exports = LDAPRoutingUnit