Files
cloudron-box/src/ldap.js
2022-03-14 09:17:49 -07:00

713 lines
29 KiB
JavaScript

'use strict';
exports = module.exports = {
start,
stop,
_MOCK_APP: null
};
const addonConfigs = require('./addonconfigs.js'),
assert = require('assert'),
apps = require('./apps.js'),
BoxError = require('./boxerror.js'),
constants = require('./constants.js'),
debug = require('debug')('box:ldap'),
eventlog = require('./eventlog.js'),
groups = require('./groups.js'),
ldap = require('ldapjs'),
mail = require('./mail.js'),
safe = require('safetydance'),
users = require('./users.js'),
util = require('util');
var gServer = null;
const NOOP = function () {};
const GROUP_USERS_DN = 'cn=users,ou=groups,dc=cloudron';
const GROUP_ADMINS_DN = 'cn=admins,ou=groups,dc=cloudron';
// Will attach req.app if successful
async function authenticateApp(req, res, next) {
const sourceIp = req.connection.ldap.id.split(':')[0];
if (sourceIp.split('.').length !== 4) return next(new ldap.InsufficientAccessRightsError('Missing source identifier'));
// this is only used by the ldap test. the apps tests still uses proper docker
if (constants.TEST && sourceIp === '127.0.0.1') {
req.app = exports._MOCK_APP;
return next();
}
const [error, app] = await safe(apps.getByIpAddress(sourceIp));
if (error) return next(new ldap.OperationsError(error.message));
if (!app) return next(new ldap.OperationsError('Could not detect app source'));
req.app = app;
next();
}
// Will attach req.user if successful
async function userAuthInternal(appId, req, res, next) {
// extract the common name which might have different attribute names
const attributeName = Object.keys(req.dn.rdns[0].attrs)[0];
const commonName = req.dn.rdns[0].attrs[attributeName].value;
if (!commonName) return next(new ldap.NoSuchObjectError(req.dn.toString()));
let verifyFunc;
if (attributeName === 'mail') {
verifyFunc = users.verifyWithEmail;
} else if (commonName.indexOf('@') !== -1) { // if mail is specified, enforce mail check
verifyFunc = users.verifyWithEmail;
} else if (commonName.indexOf('uid-') === 0) {
verifyFunc = users.verify;
} else {
verifyFunc = users.verifyWithUsername;
}
const [error, user] = await safe(verifyFunc(commonName, req.credentials || '', appId || ''));
if (error && error.reason === BoxError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error && error.reason === BoxError.INVALID_CREDENTIALS) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
req.user = user;
next();
}
async function getUsersWithAccessToApp(req) {
assert.strictEqual(typeof req.app, 'object');
const result = await users.list();
const allowedUsers = result.filter((user) => user.active && apps.canAccess(req.app, user)); // do not list inactive users
return allowedUsers;
}
// helper function to deal with pagination
function finalSend(results, req, res, next) {
let min = 0;
let max = results.length;
let cookie = null;
let pageSize = 0;
// check if this is a paging request, if so get the cookie for session info
req.controls.forEach(function (control) {
if (control.type === ldap.PagedResultsControl.OID) {
pageSize = control.value.size;
cookie = control.value.cookie;
}
});
function sendPagedResults(start, end) {
start = (start < min) ? min : start;
end = (end > max || end < min) ? max : end;
let i;
for (i = start; i < end; i++) {
res.send(results[i]);
}
return i;
}
if (cookie && Buffer.isBuffer(cookie)) {
// we have pagination
var first = min;
if (cookie.length !== 0) {
first = parseInt(cookie.toString(), 10);
}
var last = sendPagedResults(first, first + pageSize);
var resultCookie;
if (last < max) {
resultCookie = Buffer.from(last.toString());
} else {
resultCookie = Buffer.from('');
}
res.controls.push(new ldap.PagedResultsControl({
value: {
size: pageSize, // correctness not required here
cookie: resultCookie
}
}));
} else {
// no pagination simply send all
results.forEach(function (result) {
res.send(result);
});
}
// all done
res.end();
next();
}
async function userSearch(req, res, next) {
debug('user search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
const [error, result] = await safe(getUsersWithAccessToApp(req));
if (error) return next(new ldap.OperationsError(error.toString()));
let results = [];
// send user objects
result.forEach(function (user) {
// skip entries with empty username. Some apps like owncloud can't deal with this
if (!user.username) return;
const dn = ldap.parseDN('cn=' + user.id + ',ou=users,dc=cloudron');
const memberof = [ GROUP_USERS_DN ];
if (users.compareRoles(user.role, users.ROLE_ADMIN) >= 0) memberof.push(GROUP_ADMINS_DN);
const displayName = user.displayName || user.username || ''; // displayName can be empty and username can be null
const nameParts = displayName.split(' ');
const firstName = nameParts[0];
const lastName = nameParts.length > 1 ? nameParts[nameParts.length - 1] : ''; // choose last part, if it exists
const obj = {
dn: dn.toString(),
attributes: {
objectclass: ['user', 'inetorgperson', 'person', 'organizationalperson', 'top' ],
objectcategory: 'person',
cn: user.id,
uid: user.id,
entryuuid: user.id, // to support OpenLDAP clients
mail: user.email,
mailAlternateAddress: user.fallbackEmail,
displayname: displayName,
givenName: firstName,
username: user.username,
samaccountname: user.username, // to support ActiveDirectory clients
memberof: memberof
}
};
// http://www.zytrax.com/books/ldap/ape/core-schema.html#sn has 'name' as SUP which is a DirectoryString
// which is required to have atleast one character if present
if (lastName.length !== 0) obj.attributes.sn = lastName;
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
finalSend(results, req, res, next);
}
async function groupSearch(req, res, next) {
debug('group search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
const [error, usersWithAccess] = await safe(getUsersWithAccessToApp(req));
if (error) return next(new ldap.OperationsError(error.toString()));
const results = [];
// those are the old virtual groups for backwards compat
const virtualGroups = [{
name: 'users',
admin: false
}, {
name: 'admins',
admin: true
}];
virtualGroups.forEach(function (group) {
const dn = ldap.parseDN('cn=' + group.name + ',ou=groups,dc=cloudron');
const members = group.admin ? usersWithAccess.filter(function (user) { return users.compareRoles(user.role, users.ROLE_ADMIN) >= 0; }) : usersWithAccess;
const obj = {
dn: dn.toString(),
attributes: {
objectclass: ['group'],
cn: group.name,
memberuid: members.map(function(entry) { return entry.id; }).sort()
}
};
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
let [errorGroups, resultGroups] = await safe(groups.listWithMembers());
if (errorGroups) return next(new ldap.OperationsError(errorGroups.toString()));
if (req.app.accessRestriction && req.app.accessRestriction.groups) {
resultGroups = resultGroups.filter(function (g) { return req.app.accessRestriction.groups.indexOf(g.id) !== -1; });
}
resultGroups.forEach(function (group) {
const dn = ldap.parseDN('cn=' + group.name + ',ou=groups,dc=cloudron');
const members = group.userIds.filter(function (uid) { return usersWithAccess.map(function (u) { return u.id; }).indexOf(uid) !== -1; });
const obj = {
dn: dn.toString(),
attributes: {
objectclass: ['group'],
cn: group.name,
memberuid: members
}
};
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
finalSend(results, req, res, next);
}
async function groupUsersCompare(req, res, next) {
debug('group users compare: dn %s, attribute %s, value %s (from %s)', req.dn.toString(), req.attribute, req.value, req.connection.ldap.id);
const [error, result] = await safe(getUsersWithAccessToApp(req));
if (error) return next(new ldap.OperationsError(error.toString()));
// we only support memberuid here, if we add new group attributes later add them here
if (req.attribute === 'memberuid') {
const found = result.find(function (u) { return u.id === req.value; });
if (found) return res.end(true);
}
res.end(false);
}
async function groupAdminsCompare(req, res, next) {
debug('group admins compare: dn %s, attribute %s, value %s (from %s)', req.dn.toString(), req.attribute, req.value, req.connection.ldap.id);
const [error, result] = await safe(getUsersWithAccessToApp(req));
if (error) return next(new ldap.OperationsError(error.toString()));
// we only support memberuid here, if we add new group attributes later add them here
if (req.attribute === 'memberuid') {
var user = result.find(function (u) { return u.id === req.value; });
if (user && users.compareRoles(user.role, users.ROLE_ADMIN) >= 0) return res.end(true);
}
res.end(false);
}
async function mailboxSearch(req, res, next) {
debug('mailbox search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
// if cn is set we only search for one mailbox specifically
if (req.dn.rdns[0].attrs.cn) {
const email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
const parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const [error, mailbox] = await safe(mail.getMailbox(parts[0], parts[1]));
if (error) return next(new ldap.OperationsError(error.toString()));
if (!mailbox) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (!mailbox.active) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['mailbox'],
objectcategory: 'mailbox',
cn: `${mailbox.name}@${mailbox.domain}`,
uid: `${mailbox.name}@${mailbox.domain}`,
mail: `${mailbox.name}@${mailbox.domain}`
}
};
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
} else { // new sogo
// TODO figure out how proper pagination here could work
let [error, mailboxes] = await safe(mail.listAllMailboxes(1, 100000));
if (error) return next(new ldap.OperationsError(error.toString()));
mailboxes = mailboxes.filter(m => m.active);
let results = [];
for (const mailbox of mailboxes) {
const dn = ldap.parseDN(`cn=${mailbox.name}@${mailbox.domain},ou=mailboxes,dc=cloudron`);
if (mailbox.ownerType === mail.OWNERTYPE_APP) continue; // cannot login with app mailbox anyway
const [error, ownerObject] = await safe(mailbox.ownerType === mail.OWNERTYPE_USER ? users.get(mailbox.ownerId) : groups.get(mailbox.ownerId));
if (error || !ownerObject) continue; // skip mailboxes with unknown user
const obj = {
dn: dn.toString(),
attributes: {
objectclass: ['mailbox'],
objectcategory: 'mailbox',
displayname: mailbox.ownerType === mail.OWNERTYPE_USER ? ownerObject.displayName : ownerObject.name,
cn: `${mailbox.name}@${mailbox.domain}`,
uid: `${mailbox.name}@${mailbox.domain}`,
mail: `${mailbox.name}@${mailbox.domain}`
}
};
mailbox.aliases.forEach(function (a, idx) {
obj.attributes['mail' + idx] = `${a.name}@${a.domain}`;
});
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
}
finalSend(results, req, res, next);
}
}
async function mailAliasSearch(req, res, next) {
debug('mail alias get: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
const parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const [error, alias] = await safe(mail.getAlias(parts[0], parts[1]));
if (error) return next(new ldap.OperationsError(error.toString()));
if (!alias) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (!alias.active) return next(new ldap.NoSuchObjectError(req.dn.toString())); // there is no way to disable an alias. this is just here for completeness
// https://wiki.debian.org/LDAP/MigrationTools/Examples
// https://docs.oracle.com/cd/E19455-01/806-5580/6jej518pp/index.html
// member is fully qualified - https://docs.oracle.com/cd/E19957-01/816-6082-10/chap4.doc.html#43314
const obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['nisMailAlias'],
objectcategory: 'nisMailAlias',
cn: `${alias.name}@${alias.domain}`,
rfc822MailMember: `${alias.aliasName}@${alias.aliasDomain}`
}
};
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
}
async function mailingListSearch(req, res, next) {
debug('mailing list get: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
let email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
let parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const name = parts[0], domain = parts[1];
const [error, result] = await safe(mail.resolveList(parts[0], parts[1]));
if (error && error.reason === BoxError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.toString()));
const { resolvedMembers, list } = result;
if (!list.active) return next(new ldap.NoSuchObjectError(req.dn.toString()));
// http://ldapwiki.willeke.com/wiki/Original%20Mailgroup%20Schema%20From%20Netscape
// members are fully qualified (https://docs.oracle.com/cd/E19444-01/816-6018-10/groups.htm#13356)
const obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['mailGroup'],
objectcategory: 'mailGroup',
cn: `${name}@${domain}`, // fully qualified
mail: `${name}@${domain}`,
membersOnly: list.membersOnly, // ldapjs only supports strings and string array. so this is not a bool!
mgrpRFC822MailMember: resolvedMembers // fully qualified
}
};
// ensure all filter values are also lowercase
const lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
}
// Will attach req.user if successful
async function authenticateUser(req, res, next) {
debug('user bind: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
const appId = req.app.id;
await userAuthInternal(appId, req, res, next);
}
async function authorizeUserForApp(req, res, next) {
assert.strictEqual(typeof req.user, 'object');
assert.strictEqual(typeof req.app, 'object');
const canAccess = apps.canAccess(req.app, req.user);
// we return no such object, to avoid leakage of a users existence
if (!canAccess) return next(new ldap.NoSuchObjectError(req.dn.toString()));
await eventlog.upsertLoginEvent(eventlog.ACTION_USER_LOGIN, { authType: 'ldap', appId: req.app.id }, { userId: req.user.id, user: users.removePrivateFields(req.user) });
res.end();
}
async function verifyMailboxPassword(mailbox, password) {
assert.strictEqual(typeof mailbox, 'object');
assert.strictEqual(typeof password, 'string');
if (mailbox.ownerType === mail.OWNERTYPE_USER) {
return await users.verify(mailbox.ownerId, password, users.AP_MAIL /* identifier */);
} else if (mailbox.ownerType === mail.OWNERTYPE_GROUP) {
const userIds = await groups.getMembers(mailbox.ownerId);
let verifiedUser = null;
for (const userId of userIds) {
const [error, result] = await safe(users.verify(userId, password, users.AP_MAIL /* identifier */));
if (error) continue; // try the next user
verifiedUser = result;
break; // found a matching validated user
}
if (!verifiedUser) throw new BoxError(BoxError.INVALID_CREDENTIALS);
return verifiedUser;
} else {
throw new BoxError(BoxError.INVALID_CREDENTIALS);
}
}
async function authenticateSftp(req, res, next) {
debug('sftp auth: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
const parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
let [error, app] = await safe(apps.getByFqdn(parts[1]));
if (error || !app) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
[error] = await safe(users.verifyWithUsername(parts[0], req.credentials, app.id));
if (error) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
debug('sftp auth: success');
res.end();
}
async function userSearchSftp(req, res, next) {
debug('sftp user search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (req.filter.attribute !== 'username' || !req.filter.value) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const parts = req.filter.value.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const username = parts[0];
const appFqdn = parts[1];
const [error, app] = await safe(apps.getByFqdn(appFqdn));
if (error) return next(new ldap.OperationsError(error.toString()));
// only allow apps which specify "ftp" support in the localstorage addon
if (!safe.query(app.manifest.addons, 'localstorage.ftp.uid')) return next(new ldap.UnavailableError('Not supported'));
if (typeof app.manifest.addons.localstorage.ftp.uid !== 'number') return next(new ldap.UnavailableError('Bad uid, must be a number'));
const uidNumber = app.manifest.addons.localstorage.ftp.uid;
const [userGetError, user] = await safe(users.getByUsername(username));
if (userGetError) return next(new ldap.OperationsError(userGetError.toString()));
if (!user) return next(new ldap.OperationsError('Invalid username'));
if (!apps.isOperator(app, user)) return next(new ldap.InsufficientAccessRightsError('Not authorized'));
const obj = {
dn: ldap.parseDN(`cn=${username}@${appFqdn},ou=sftp,dc=cloudron`).toString(),
attributes: {
homeDirectory: app.dataDir ? `/mnt/app-${app.id}` : `/mnt/appsdata/${app.id}/data`, // see also sftp.js
objectclass: ['user'],
objectcategory: 'person',
cn: user.id,
uid: `${username}@${appFqdn}`, // for bind after search
uidNumber: uidNumber, // unix uid for ftp access
gidNumber: uidNumber // unix gid for ftp access
}
};
finalSend([ obj ], req, res, next);
}
async function verifyAppMailboxPassword(serviceId, username, password) {
assert.strictEqual(typeof serviceId, 'string');
assert.strictEqual(typeof username, 'string');
assert.strictEqual(typeof password, 'string');
const pattern = serviceId === 'msa' ? 'MAIL_SMTP' : 'MAIL_IMAP';
const addonId = serviceId === 'msa' ? 'sendmail' : 'recvmail';
const appId = await addonConfigs.getAppIdByValue(addonId, `%${pattern}_PASSWORD`, password); // search by password because this is unique for each app
if (!appId) throw new BoxError(BoxError.NOT_FOUND);
const result = await addonConfigs.get(appId, addonId);
if (!result.some(r => r.name.endsWith(`${pattern}_USERNAME`) && r.value === username)) throw new BoxError(BoxError.INVALID_CREDENTIALS);
}
async function authenticateService(serviceId, dn, req, res, next) {
debug(`authenticateService: ${req.dn.toString()} (from ${req.connection.ldap.id})`);
if (!dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(dn.toString()));
const email = dn.rdns[0].attrs.cn.value.toLowerCase();
const parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(dn.toString()));
const knownServices = [ 'msa', 'imap', 'pop3', 'sieve', 'sogo' ];
if (!knownServices.includes(serviceId)) return next(new ldap.OperationsError('Invalid DN. Unknown service'));
const [error, domain] = await safe(mail.getDomain(parts[1]));
if (error) return next(new ldap.OperationsError(error.message));
if (!domain) return next(new ldap.NoSuchObjectError(dn.toString()));
const serviceNeedsMailbox = serviceId === 'imap' || serviceId === 'sieve' || serviceId === 'pop3' || serviceId === 'sogo';
if (serviceNeedsMailbox && !domain.enabled) return next(new ldap.NoSuchObjectError(dn.toString()));
const [getMailboxError, mailbox] = await safe(mail.getMailbox(parts[0], parts[1]));
if (getMailboxError) return next(new ldap.OperationsError(getMailboxError.message));
if (serviceNeedsMailbox) {
if (!mailbox || !mailbox.active) return next(new ldap.NoSuchObjectError(dn.toString()));
if (serviceId === 'pop3' && !mailbox.enablePop3) return next(new ldap.OperationsError('POP3 is not enabled'));
}
const [appPasswordError] = await safe(verifyAppMailboxPassword(serviceId, email, req.credentials || ''));
if (!appPasswordError) return res.end(); // validated as app
if (appPasswordError.reason === BoxError.INVALID_CREDENTIALS) return next(new ldap.InvalidCredentialsError(dn.toString()));
if (appPasswordError.reason !== BoxError.NOT_FOUND) return next(new ldap.OperationsError(appPasswordError.message));
if (!mailbox || !mailbox.active) return next(new ldap.NoSuchObjectError(dn.toString())); // user auth requires active mailbox
const [verifyError, result] = await safe(verifyMailboxPassword(mailbox, req.credentials || ''));
if (verifyError && verifyError.reason === BoxError.NOT_FOUND) return next(new ldap.NoSuchObjectError(dn.toString()));
if (verifyError && verifyError.reason === BoxError.INVALID_CREDENTIALS) return next(new ldap.InvalidCredentialsError(dn.toString()));
if (verifyError) return next(new ldap.OperationsError(verifyError.message));
eventlog.upsertLoginEvent(eventlog.ACTION_USER_LOGIN, { authType: 'ldap', mailboxId: email }, { userId: result.id, user: users.removePrivateFields(result) });
res.end();
}
async function authenticateMail(req, res, next) {
if (!req.dn.rdns[1].attrs.ou) return next(new ldap.NoSuchObjectError(req.dn.toString()));
await authenticateService(req.dn.rdns[1].attrs.ou.value.toLowerCase(), req.dn, req, res, next);
}
async function start() {
const logger = {
trace: NOOP,
debug: NOOP,
info: debug,
warn: debug,
error: debug,
fatal: debug
};
gServer = ldap.createServer({ log: logger });
gServer.on('error', function (error) {
debug('start: server error ', error);
});
gServer.search('ou=users,dc=cloudron', authenticateApp, userSearch);
gServer.search('ou=groups,dc=cloudron', authenticateApp, groupSearch);
gServer.bind('ou=users,dc=cloudron', authenticateApp, authenticateUser, authorizeUserForApp);
// http://www.ietf.org/proceedings/43/I-D/draft-srivastava-ldap-mail-00.txt
gServer.search('ou=mailboxes,dc=cloudron', mailboxSearch); // haraka (address translation), dovecot (LMTP), sogo (mailbox search)
gServer.bind('ou=mailboxes,dc=cloudron', async function (req, res, next) { // used for sogo only. this route happens only at sogo login time. after that it will use imap ldap route
await authenticateService('sogo', req.dn, req, res, next);
});
gServer.search('ou=mailaliases,dc=cloudron', mailAliasSearch); // haraka
gServer.search('ou=mailinglists,dc=cloudron', mailingListSearch); // haraka
gServer.bind('ou=imap,dc=cloudron', authenticateMail); // dovecot (IMAP auth)
gServer.bind('ou=msa,dc=cloudron', authenticateMail); // haraka (MSA auth)
gServer.bind('ou=sieve,dc=cloudron', authenticateMail); // dovecot (sieve auth)
gServer.bind('ou=pop3,dc=cloudron', authenticateMail); // dovecot (pop3 auth)
gServer.bind('ou=sftp,dc=cloudron', authenticateSftp); // sftp
gServer.search('ou=sftp,dc=cloudron', userSearchSftp);
gServer.compare('cn=users,ou=groups,dc=cloudron', authenticateApp, groupUsersCompare);
gServer.compare('cn=admins,ou=groups,dc=cloudron', authenticateApp, groupAdminsCompare);
// this is the bind for addons (after bind, they might search and authenticate)
gServer.bind('ou=addons,dc=cloudron', function(req, res /*, next */) {
debug('addons bind: %s', req.dn.toString()); // note: cn can be email or id
res.end();
});
// this is the bind for apps (after bind, they might search and authenticate user)
gServer.bind('ou=apps,dc=cloudron', function(req, res /*, next */) {
// TODO: validate password
debug('application bind: %s', req.dn.toString());
res.end();
});
// directus looks for the "DN" of the bind user
gServer.search('ou=apps,dc=cloudron', function(req, res, next) {
const obj = {
dn: req.dn.toString(),
};
finalSend([obj], req, res, next);
});
// just log that an attempt was made to unknown route, this helps a lot during app packaging
gServer.use(function(req, res, next) {
debug('not handled: dn %s, scope %s, filter %s (from %s)', req.dn ? req.dn.toString() : '-', req.scope, req.filter ? req.filter.toString() : '-', req.connection.ldap.id);
return next();
});
await util.promisify(gServer.listen.bind(gServer))(constants.LDAP_PORT, '0.0.0.0');
}
async function stop() {
if (!gServer) return;
gServer.close();
gServer = null;
}