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import {slug, getLdapUsername, getLdapEmail, getLdapUserUniqueID, syncUserData, addLdapUser} from './sync';
import LDAP from './ldap';
import { log_debug, log_info, log_warn, log_error } from './logger';
function fallbackDefaultAccountSystem(bind, username, password) {
if (typeof username === 'string') {
if (username.indexOf('@') === -1) {
username = {username};
} else {
username = {email: username};
}
}
log_info('Fallback to default account system: ', username );
const loginRequest = {
user: username,
password: {
digest: SHA256(password),
algorithm: 'sha-256',
},
};
log_debug('Fallback options: ', loginRequest);
return Accounts._runLoginHandlers(bind, loginRequest);
}
Accounts.registerLoginHandler('ldap', function(loginRequest) {
if (!loginRequest.ldap || !loginRequest.ldapOptions) {
return undefined;
}
log_info('Init LDAP login', loginRequest.username);
if (LDAP.settings_get('LDAP_ENABLE') !== true) {
return fallbackDefaultAccountSystem(this, loginRequest.username, loginRequest.ldapPass);
}
const self = this;
const ldap = new LDAP();
let ldapUser;
try {
ldap.connectSync();
const users = ldap.searchUsersSync(loginRequest.username);
if (users.length !== 1) {
log_info('Search returned', users.length, 'record(s) for', loginRequest.username);
throw new Error('User not Found');
}
if (ldap.authSync(users[0].dn, loginRequest.ldapPass) === true) {
if (ldap.isUserInGroup(loginRequest.username, users[0])) {
ldapUser = users[0];
} else {
throw new Error('User not in a valid group');
}
} else {
log_info('Wrong password for', loginRequest.username);
}
} catch (error) {
log_error(error);
}
if (ldapUser === undefined) {
if (LDAP.settings_get('LDAP_LOGIN_FALLBACK') === true) {
return fallbackDefaultAccountSystem(self, loginRequest.username, loginRequest.ldapPass);
}
throw new Meteor.Error('LDAP-login-error', `LDAP Authentication failed with provided username [${ loginRequest.username }]`);
}
// Look to see if user already exists
let userQuery;
const Unique_Identifier_Field = getLdapUserUniqueID(ldapUser);
let user;
// Attempt to find user by unique identifier
if (Unique_Identifier_Field) {
userQuery = {
'services.ldap.id': Unique_Identifier_Field.value,
};
log_info('Querying user');
log_debug('userQuery', userQuery);
user = Meteor.users.findOne(userQuery);
}
// Attempt to find user by username
let username;
let email;
if (LDAP.settings_get('LDAP_USERNAME_FIELD') !== '') {
username = slug(getLdapUsername(ldapUser));
} else {
username = slug(loginRequest.username);
}
if(LDAP.settings_get('LDAP_EMAIL_FIELD') !== '') {
email = getLdapEmail(ldapUser);
}
if (!user) {
if(email && LDAP.settings_get('LDAP_EMAIL_MATCH_REQUIRE') === true) {
if(LDAP.settings_get('LDAP_EMAIL_MATCH_VERIFIED') === true) {
userQuery = {
'_id' : username,
'emails.0.address' : email,
'emails.0.verified' : true
};
} else {
userQuery = {
'_id' : username,
'emails.0.address' : email
};
}
} else {
userQuery = {
username
};
}
log_debug('userQuery', userQuery);
user = Meteor.users.findOne(userQuery);
}
// Attempt to find user by e-mail address only
if (!user && email && LDAP.settings_get('LDAP_EMAIL_MATCH_ENABLE') === true) {
log_info('No user exists with username', username, '- attempting to find by e-mail address instead');
if(LDAP.settings_get('LDAP_EMAIL_MATCH_VERIFIED') === true) {
userQuery = {
'emails.0.address': email,
'emails.0.verified' : true
};
} else {
userQuery = {
'emails.0.address' : email
};
}
log_debug('userQuery', userQuery);
user = Meteor.users.findOne(userQuery);
}
// Login user if they exist
if (user) {
if (user.authenticationMethod !== 'ldap' && LDAP.settings_get('LDAP_MERGE_EXISTING_USERS') !== true) {
log_info('User exists without "authenticationMethod : ldap"');
throw new Meteor.Error('LDAP-login-error', `LDAP Authentication succeded, but there's already a matching Wekan account in MongoDB`);
}
log_info('Logging user');
const stampedToken = Accounts._generateStampedLoginToken();
const update_data = {
$push: {
'services.resume.loginTokens': Accounts._hashStampedToken(stampedToken),
},
};
if( LDAP.settings_get('LDAP_SYNC_GROUP_ROLES') === true ) {
log_debug('Updating Groups/Roles');
const groups = ldap.getUserGroups(username, ldapUser);
if( groups.length > 0 ) {
Roles.setUserRoles(user._id, groups );
log_info(`Updated roles to:${ groups.join(',')}`);
}
}
Meteor.users.update(user._id, update_data );
syncUserData(user, ldapUser);
if (LDAP.settings_get('LDAP_LOGIN_FALLBACK') === true) {
Accounts.setPassword(user._id, loginRequest.ldapPass, {logout: false});
}
return {
userId: user._id,
token: stampedToken.token,
};
}
// Create new user
log_info('User does not exist, creating', username);
if (LDAP.settings_get('LDAP_USERNAME_FIELD') === '') {
username = undefined;
}
if (LDAP.settings_get('LDAP_LOGIN_FALLBACK') !== true) {
loginRequest.ldapPass = undefined;
}
const result = addLdapUser(ldapUser, username, loginRequest.ldapPass);
if( LDAP.settings_get('LDAP_SYNC_GROUP_ROLES') === true ) {
const groups = ldap.getUserGroups(username, ldapUser);
if( groups.length > 0 ) {
Roles.setUserRoles(result.userId, groups );
log_info(`Set roles to:${ groups.join(',')}`);
}
}
if (result instanceof Error) {
throw result;
}
return result;
});
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