hardlounge/test/plugins/auth/ldap.js

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"use strict";
const ldapAuth = require("../../../src/plugins/auth/ldap");
const Helper = require("../../../src/helper");
const ldap = require("thelounge-ldapjs-non-maintained-fork");
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const expect = require("chai").expect;
const user = "johndoe";
const wrongUser = "eve";
const correctPassword = "loremipsum";
const wrongPassword = "dolorsitamet";
const baseDN = "ou=accounts,dc=example,dc=com";
const primaryKey = "uid";
const serverPort = 1389;
function normalizeDN(dn) {
return ldap.parseDN(dn).toString();
}
function startLdapServer(callback) {
const server = ldap.createServer();
const searchConf = Helper.config.ldap.searchDN;
const userDN = primaryKey + "=" + user + "," + baseDN;
// Two users are authorized: john doe and the root user in case of
// advanced auth (the user that does the search for john's actual
// bindDN)
const authorizedUsers = {};
authorizedUsers[normalizeDN(searchConf.rootDN)] = searchConf.rootPassword;
authorizedUsers[normalizeDN(userDN)] = correctPassword;
function authorize(req, res, next) {
const bindDN = req.connection.ldap.bindDN;
if (bindDN in authorizedUsers) {
return next();
}
return next(new ldap.InsufficientAccessRightsError());
}
Object.keys(authorizedUsers).forEach(function(dn) {
server.bind(dn, function(req, res, next) {
const bindDN = req.dn.toString();
const password = req.credentials;
if (bindDN in authorizedUsers && authorizedUsers[bindDN] === password) {
req.connection.ldap.bindDN = req.dn;
res.end();
return next();
}
return next(new ldap.InsufficientAccessRightsError());
});
});
server.search(searchConf.base, authorize, function(req, res) {
const obj = {
dn: userDN,
attributes: {
objectclass: ["person", "top"],
cn: ["john doe"],
sn: ["johnny"],
uid: ["johndoe"],
memberof: [baseDN],
},
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};
if (req.filter.matches(obj.attributes)) {
// TODO: check req.scope if ldapjs does not
res.send(obj);
}
res.end();
});
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server.listen(serverPort, callback);
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return server;
}
function testLdapAuth() {
// Create mock manager and client. When client is true, manager should not
// be used. But ideally the auth plugin should not use any of those.
const manager = {};
const client = true;
it("should successfully authenticate with correct password", function(done) {
ldapAuth.auth(manager, client, user, correctPassword, function(valid) {
expect(valid).to.equal(true);
done();
});
});
it("should fail to authenticate with incorrect password", function(done) {
ldapAuth.auth(manager, client, user, wrongPassword, function(valid) {
expect(valid).to.equal(false);
done();
});
});
it("should fail to authenticate with incorrect username", function(done) {
ldapAuth.auth(manager, client, wrongUser, correctPassword, function(valid) {
expect(valid).to.equal(false);
done();
});
});
}
describe("LDAP authentication plugin", function() {
this.slow(200);
let server;
let originalLogInfo;
before(function(done) {
originalLogInfo = log.info;
log.info = () => {};
server = startLdapServer(done);
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});
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after(function() {
server.close();
log.info = originalLogInfo;
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});
beforeEach(function() {
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Helper.config.public = false;
Helper.config.ldap.enable = true;
Helper.config.ldap.url = "ldap://localhost:" + String(serverPort);
Helper.config.ldap.primaryKey = primaryKey;
});
describe("LDAP authentication availability", function() {
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it("checks that the configuration is correctly tied to isEnabled()", function() {
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Helper.config.ldap.enable = true;
expect(ldapAuth.isEnabled()).to.equal(true);
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Helper.config.ldap.enable = false;
expect(ldapAuth.isEnabled()).to.equal(false);
});
});
describe("Simple LDAP authentication (predefined DN pattern)", function() {
Helper.config.ldap.baseDN = baseDN;
testLdapAuth();
});
describe("Advanced LDAP authentication (DN found by a prior search query)", function() {
delete Helper.config.ldap.baseDN;
testLdapAuth();
});
});