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590 lines
19 KiB
PHP
590 lines
19 KiB
PHP
<?php
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class ModelUserAuth extends Model {
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public function apply_user_auth_session($data = array()) {
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$session = Registry::get('session');
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$session->set("username", $data['username']);
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$session->set("uid", $data['uid']);
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$session->set("admin_user", $data['admin_user']);
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$session->set("email", $data['username']);
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$session->set("domain", $data['domain']);
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$session->set("realname", $data['realname']);
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$session->set("auditdomains", $data['auditdomains']);
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$session->set("emails", $data['emails']);
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$session->set("folders", $data['folders']);
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}
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public function checkLogin($username = '', $password = '') {
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$session = Registry::get('session');
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$ok = 0;
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$imap_server = array();
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$data = array();
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$data['username'] = '';
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$data['uid'] = -1;
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$data['admin_user'] = 0;
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$data['email'] = '';
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$data['domain'] = '';
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$data['realname'] = '';
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$data['auditdomains'] = array();
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$data['emails'] = array();
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$data['folders'] = array();
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if($username == '' || $password == '') { return 0; }
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if(CUSTOM_PRE_AUTH_FUNCTION && function_exists(CUSTOM_PRE_AUTH_FUNCTION)) {
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call_user_func(CUSTOM_PRE_AUTH_FUNCTION, $username);
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}
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if(ENABLE_LDAP_AUTH == 1) {
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$ok = $this->checkLoginAgainstLDAP($username, $password, $data);
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if($ok == 1) {
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if(CUSTOM_EMAIL_QUERY_FUNCTION && function_exists(CUSTOM_EMAIL_QUERY_FUNCTION)) {
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call_user_func(CUSTOM_EMAIL_QUERY_FUNCTION, $username);
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}
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return $ok;
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}
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}
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if(ENABLE_IMAP_AUTH == 1) {
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require 'Zend/Mail/Protocol/Imap.php';
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if(!isset($imap_server['IMAP_HOST'])) { $imap_server['IMAP_HOST'] = IMAP_HOST; }
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if(!isset($imap_server['IMAP_PORT'])) { $imap_server['IMAP_PORT'] = IMAP_PORT; }
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if(!isset($imap_server['IMAP_SSL'])) { $imap_server['IMAP_SSL'] = IMAP_SSL; }
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$ok = $this->checkLoginAgainstIMAP($imap_server, $username, $password, $data);
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if($ok == 1) {
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if(CUSTOM_EMAIL_QUERY_FUNCTION && function_exists(CUSTOM_EMAIL_QUERY_FUNCTION)) {
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call_user_func(CUSTOM_EMAIL_QUERY_FUNCTION, $username);
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}
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return $ok;
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}
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}
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if(ENABLE_POP3_AUTH == 1) {
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require 'Zend/Mail/Protocol/Pop3.php';
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$ok = $this->checkLoginAgainstPOP3($username, $password, $data);
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if($ok == 1) {
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if(CUSTOM_EMAIL_QUERY_FUNCTION && function_exists(CUSTOM_EMAIL_QUERY_FUNCTION)) {
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call_user_func(CUSTOM_EMAIL_QUERY_FUNCTION, $username);
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}
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return $ok;
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}
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}
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// fallback local auth
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$query = $this->db->query("SELECT u.username, u.uid, u.realname, u.dn, u.password, u.isadmin, u.domain FROM " . TABLE_USER . " u, " . TABLE_EMAIL . " e WHERE e.email=? AND e.uid=u.uid", array($username));
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if(!isset($query->row['password'])) { return 0; }
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$pass = crypt($password, $query->row['password']);
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if($pass == $query->row['password']){
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$ok = 1;
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AUDIT(ACTION_LOGIN, $username, '', '', 'successful auth against user table');
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}
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else {
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AUDIT(ACTION_LOGIN_FAILED, $username, '', '', 'failed auth against user table');
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}
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if($ok == 1) {
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$data['username'] = $username;
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$data['uid'] = $query->row['uid'];
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$data['admin_user'] = $query->row['isadmin'];
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$data['email'] = $username;
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$data['domain'] = $query->row['domain'];
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$data['realname'] = $query->row['realname'];
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$data['auditdomains'] = $this->model_user_user->get_users_all_domains($query->row['uid']);
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if(CUSTOM_EMAIL_QUERY_FUNCTION && function_exists(CUSTOM_EMAIL_QUERY_FUNCTION)) {
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call_user_func(CUSTOM_EMAIL_QUERY_FUNCTION, $username);
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}
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else {
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$data['emails'] = $this->model_user_user->get_users_all_email_addresses($query->row['uid']);
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}
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$extra_emails = $this->model_user_user->get_email_addresses_from_groups($data['emails']);
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$data['emails'] = array_merge($data['emails'], $extra_emails);
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$data['folders'] = $this->model_folder_folder->get_folder_id_array_for_user($query->row['uid'], $data['admin_user']);
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$session->set("auth_data", $data);
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$this->is_ga_code_needed($username);
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$this->is_four_eye_auth_needed($data['admin_user']);
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return 1;
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}
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return 0;
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}
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private function checkLoginAgainstLDAP($username = '', $password = '', $data = array()) {
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$a = array();
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$ret = 0;
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if(ENABLE_SAAS == 1) {
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$params = $this->model_saas_ldap->get_ldap_params_by_email($username);
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foreach($params as $param) {
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$ret = $this->checkLoginAgainstLDAP_real($username, $password, $data, $param);
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if(LOG_LEVEL >= NORMAL) { syslog(LOG_INFO, "ldap auth result against " . $param['ldap_host'] . " / " . $param['ldap_type'] . ": $ret"); }
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if($ret == 1) { return $ret; }
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}
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}
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else {
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$ret = $this->checkLoginAgainstLDAP_real($username, $password, $data);
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}
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return $ret;
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}
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private function checkLoginAgainstLDAP_real($username = '', $password = '', $data = array(), $a = array()) {
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$session = Registry::get('session');
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$ldap_type = '';
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$ldap_host = LDAP_HOST;
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$ldap_base_dn = LDAP_BASE_DN;
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$ldap_helper_dn = LDAP_HELPER_DN;
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$ldap_helper_password = LDAP_HELPER_PASSWORD;
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$ldap_auditor_member_dn = LDAP_AUDITOR_MEMBER_DN;
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$ldap_admin_member_dn = LDAP_ADMIN_MEMBER_DN;
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$role = 0;
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$username_prefix = '';
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if(count($a) >= 6) {
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$ldap_type = $a['ldap_type'];
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$ldap_host = $a['ldap_host'];
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$ldap_base_dn = $a['ldap_base_dn'];
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$ldap_helper_dn = $a['ldap_bind_dn'];
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$ldap_helper_password = $a['ldap_bind_pw'];
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$ldap_auditor_member_dn = $a['ldap_auditor_member_dn'];
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$ldap_mail_attr = $a['ldap_mail_attr'];
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$ldap_account_objectclass = $a['ldap_account_objectclass'];
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$ldap_distributionlist_attr = $a['ldap_distributionlist_attr'];
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$ldap_distributionlist_objectclass = $a['ldap_distributionlist_objectclass'];
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}
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if($ldap_type != LDAP_TYPE_GENERIC) {
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list($ldap_mail_attr, $ldap_account_objectclass, $ldap_distributionlist_attr, $ldap_distributionlist_objectclass) = get_ldap_attribute_names($ldap_type);
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}
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if($ldap_mail_attr == 'proxyAddresses') { $username_prefix = 'smtp:'; }
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if($ldap_host == '' || $ldap_helper_password == '') { return 0; }
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$ldap = new LDAP($ldap_host, $ldap_helper_dn, $ldap_helper_password);
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if($ldap->is_bind_ok()) {
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$query = $ldap->query($ldap_base_dn, "(&(objectClass=$ldap_account_objectclass)($ldap_mail_attr=$username_prefix$username))", array());
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if(isset($query->row['dn']) && $query->row['dn']) {
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$a = $query->row;
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$ldap_auth = new LDAP($ldap_host, $a['dn'], $password);
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if(LOG_LEVEL >= NORMAL) { syslog(LOG_INFO, "ldap auth against '" . $ldap_host . "', dn: '" . $a['dn'] . "', result: " . $ldap_auth->is_bind_ok()); }
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if($ldap_auth->is_bind_ok()) {
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$a['dn'] = $this->escapeLdapFilter($a['dn']);
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$query = $ldap->query($ldap_base_dn, "(|(&(objectClass=$ldap_account_objectclass)($ldap_mail_attr=$username_prefix$username))(&(objectClass=$ldap_distributionlist_objectclass)($ldap_distributionlist_attr=$username_prefix$username)" . ")(&(objectClass=$ldap_distributionlist_objectclass)($ldap_distributionlist_attr=" . $a['dn'] . ")))", array());
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if($this->check_ldap_membership($ldap_auditor_member_dn, $query->rows) == 1) { $role = 2; }
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if($this->check_ldap_membership($ldap_admin_member_dn, $query->rows) == 1) { $role = 1; }
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$emails = $this->get_email_array_from_ldap_attr($query->rows);
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$extra_emails = $this->model_user_user->get_email_addresses_from_groups($emails);
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$emails = array_merge($emails, $extra_emails);
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$data = $this->fix_user_data($a['cn'], $username, $emails, $role);
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$session->set("auth_data", $data);
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$this->is_ga_code_needed($username);
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$this->is_four_eye_auth_needed($role);
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AUDIT(ACTION_LOGIN, $username, '', '', 'successful auth against LDAP');
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return 1;
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}
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else {
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AUDIT(ACTION_LOGIN_FAILED, $username, '', '', 'failed auth against LDAP');
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}
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}
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}
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else if(LOG_LEVEL >= NORMAL) {
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syslog(LOG_INFO, "cannot bind to '" . $ldap_host . "' as '" . $ldap_helper_dn . "'");
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}
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return 0;
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}
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private function check_ldap_membership($ldap_auditor_member_dn = '', $e = array()) {
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if($ldap_auditor_member_dn == '') { return 0; }
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foreach($e as $a) {
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foreach (array("memberof", "dn") as $memberattr) {
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if(isset($a[$memberattr])) {
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if(isset($a[$memberattr]['count']) && $a[$memberattr]['count'] > 0) {
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for($i = 0; $i < $a[$memberattr]['count']; $i++) {
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if($a[$memberattr][$i] == $ldap_auditor_member_dn) {
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return 1;
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}
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}
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}
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else {
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if($a[$memberattr] == $ldap_auditor_member_dn) {
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return 1;
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}
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}
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}
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}
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}
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return 0;
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}
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public function get_email_array_from_ldap_attr($e = array()) {
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$data = array();
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foreach($e as $a) {
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if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, "checking ldap entry dn: " . $a['dn'] . ", cn: " . $a['cn']); }
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foreach (array("mail", "mailalternateaddress", "proxyaddresses", "zimbraMailForwardingAddress", "member", "memberOfGroup", "othermailbox") as $mailattr) {
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if(isset($a[$mailattr])) {
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if(is_array($a[$mailattr])) {
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for($i = 0; $i < $a[$mailattr]['count']; $i++) {
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if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, "checking entry: " . $a[$mailattr][$i]); }
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$a[$mailattr][$i] = strtolower($a[$mailattr][$i]);
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if(strchr($a[$mailattr][$i], '@')) {
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if(preg_match("/^([\w]+)\:/i", $a[$mailattr][$i], $p)) {
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if(isset($p[0]) && $p[0] != "smtp:") { continue; }
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}
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$email = preg_replace("/^([\w]+)\:/i", "", $a[$mailattr][$i]);
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if(validemail($email) && !in_array($email, $data)) { array_push($data, $email); }
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}
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}
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}
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else {
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if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, "checking entry #2: " . $a[$mailattr]); }
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$email = strtolower(preg_replace("/^([\w]+)\:/i", "", $a[$mailattr]));
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if(validemail($email) && !in_array($email, $data)) { array_push($data, $email); }
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}
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}
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}
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}
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return $data;
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}
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private function fix_user_data($name = '', $email = '', $emails = array(), $role = 0) {
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$data = array();
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$data['username'] = $email;
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$data['uid'] = -1;
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$data['admin_user'] = $role;
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$data['email'] = $email;
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$data['domain'] = '';
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$data['realname'] = $name;
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$data['auditdomains'] = $this->model_domain_domain->get_your_all_domains_by_email($email);
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$data['emails'] = $emails;
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$data['folders'] = array();
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$uid = $this->model_user_user->get_uid_by_email($email);
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if($uid < 1) {
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$uid = $this->model_user_user->get_next_uid(TABLE_EMAIL);
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$query = $this->db->query("INSERT INTO " . TABLE_EMAIL . " (uid, email) VALUES(?,?)", array($uid, $email));
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}
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$data['uid'] = $uid;
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$a = explode("@", $email);
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$data['domain'] = $a[1];
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return $data;
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}
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private function checkLoginAgainstIMAP($imap_server = array(), $username = '', $password = '', $data = array()) {
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$session = Registry::get('session');
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$emails = array($username);
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/*
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* usernames without the domain part are allowed, though
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* they won't see any emails unless a post auth hook is run
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* to assign some email addresses to them
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*/
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$login = $username;
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if(STRIP_DOMAIN_NAME_FROM_USERNAME == 1) {
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$a = explode("@", $username);
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$login = $a[0];
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}
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$imap = new Zend_Mail_Protocol_Imap($imap_server['IMAP_HOST'], $imap_server['IMAP_PORT'], $imap_server['IMAP_SSL']);
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if($imap->login($login, $password)) {
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$imap->logout();
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$extra_emails = $this->model_user_user->get_email_addresses_from_groups($emails);
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$emails = array_merge($emails, $extra_emails);
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$data['username'] = $username;
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$data['email'] = $username;
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$data['emails'] = $emails;
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$data['role'] = 0;
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$data = $this->fix_user_data($username, $username, $emails, 0);
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$this->is_ga_code_needed($username);
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$session->set("auth_data", $data);
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$session->set("password", $password);
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return 1;
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}
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return 0;
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}
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private function checkLoginAgainstPOP3($username = '', $password = '', $data = array()) {
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$rc = 0;
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$emails = array($username);
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try {
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$conn = new Zend_Mail_Protocol_Pop3(POP3_HOST, POP3_PORT, POP3_SSL);
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if($conn) {
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$s = $conn->connect(POP3_HOST);
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if($s) {
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try {
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$conn->login($username, $password);
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$extra_emails = $this->model_user_user->get_email_addresses_from_groups($emails);
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$emails = array_merge($emails, $extra_emails);
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$data = $this->fix_user_data($username, $username, $emails, 0);
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$this->is_ga_code_needed($username);
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$session = Registry::get('session');
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$session->set("auth_data", $data);
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$rc = 1;
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}
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catch (Zend_Mail_Protocol_Exception $e) {}
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}
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}
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}
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catch (Zend_Mail_Protocol_Exception $e) {}
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return $rc;
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}
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public function check_ntlm_auth() {
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$ldap_auditor_member_dn = LDAP_AUDITOR_MEMBER_DN;
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$ldap_admin_member_dn = LDAP_ADMIN_MEMBER_DN;
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$role = 0;
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if(!isset($_SERVER['REMOTE_USER']) || $_SERVER['REMOTE_USER'] == '') { return 0; }
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$u = explode("\\", $_SERVER['REMOTE_USER']);
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if(isset($u[1])) { $username = $u[1]; }
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else { $username = $_SERVER['REMOTE_USER']; }
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if(LOG_LEVEL >= NORMAL) { syslog(LOG_INFO, "sso login: $username"); }
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$ldap = new LDAP(LDAP_HOST, LDAP_HELPER_DN, LDAP_HELPER_PASSWORD);
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if($ldap->is_bind_ok()) {
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$query = $ldap->query(LDAP_BASE_DN, "(&(objectClass=user)(samaccountname=" . $username . "))", array());
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if(isset($query->row['dn'])) {
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$a = $query->row;
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if(is_array($a['mail'])) { $username = $a['mail'][0]; } else { $username = $a['mail']; }
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$username = strtolower(preg_replace("/^smtp\:/i", "", $username));
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if($username == '') {
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if(LOG_LEVEL >= NORMAL) { syslog(LOG_INFO, "no email address found for " . $a['dn']); }
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return 0;
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}
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$ldap_mail_attr = LDAP_MAIL_ATTR;
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if(LDAP_MAIL_ATTR == 'proxyAddresses') {
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$ldap_mail_attr = 'proxyAddresses=smtp:';
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}
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else {
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$ldap_mail_attr .= '=';
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}
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$query = $ldap->query(LDAP_BASE_DN, "(|(&(objectClass=user)(" . $ldap_mail_attr . "$username))(&(objectClass=group)(member=$username))(&(objectClass=group)(member=" . stripslashes($a['dn']) . ")))", array());
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$emails = $this->get_email_array_from_ldap_attr($query->rows);
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|
|
$extra_emails = $this->model_user_user->get_email_addresses_from_groups($emails);
|
|
$emails = array_merge($emails, $extra_emails);
|
|
|
|
if(!in_array($username, $emails)) { array_push($emails, $username); }
|
|
|
|
if($this->check_ldap_membership($ldap_auditor_member_dn, $query->rows) == 1) { $role = 2; }
|
|
if($this->check_ldap_membership($ldap_admin_member_dn, $query->rows) == 1) { $role = 1; }
|
|
|
|
$data = $this->fix_user_data($a['cn'], $username, $emails, $role);
|
|
$this->apply_user_auth_session($data);
|
|
|
|
$this->model_user_prefs->get_user_preferences($username);
|
|
|
|
AUDIT(ACTION_LOGIN, $username, '', '', 'successful auth against LDAP');
|
|
|
|
return 1;
|
|
}
|
|
|
|
}
|
|
else {
|
|
syslog(LOG_INFO, LDAP_HELPER_DN . " cannot bind to " . LDAP_HOST);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
public function get_failed_login_count() {
|
|
$session = Registry::get('session');
|
|
|
|
$n = $session->get('failed_logins');
|
|
if($n == '') { $n = 0; }
|
|
|
|
return $n;
|
|
}
|
|
|
|
|
|
public function increment_failed_login_count($n = 0) {
|
|
$session = Registry::get('session');
|
|
|
|
$n = $session->get('failed_logins') + 1;
|
|
$session->set('failed_logins', $n);
|
|
}
|
|
|
|
|
|
private function is_ga_code_needed($username = '') {
|
|
$session = Registry::get('session');
|
|
|
|
$query = $this->db->query("SELECT ga_enabled FROM " . TABLE_USER_SETTINGS . " WHERE username=?", array($username));
|
|
|
|
if(isset($query->row['ga_enabled']) && $query->row['ga_enabled'] == 1) {
|
|
$session->set("ga_block", 1);
|
|
}
|
|
}
|
|
|
|
|
|
public function is_four_eye_auth_needed($admin_user = 0) {
|
|
$session = Registry::get('session');
|
|
|
|
if(1 == FOUR_EYES_LOGIN_FOR_AUDITOR && 2 == $admin_user) {
|
|
$session->set("four_eyes", 1);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
public function change_password($username = '', $password = '') {
|
|
if($username == "" || $password == ""){ return 0; }
|
|
|
|
$query = $this->db->query("UPDATE " . TABLE_USER . " SET password=? WHERE username=?", array(crypt($password), $username));
|
|
|
|
$rc = $this->db->countAffected();
|
|
|
|
return $rc;
|
|
}
|
|
|
|
|
|
/*
|
|
* For more explanation, see https://bitbucket.org/jsuto/piler/issues/679/get-mailing-list-members-from-active
|
|
* Credits: Thoth
|
|
*/
|
|
|
|
public function escapeLdapFilter($str = '') {
|
|
// The characters that need to be escape.
|
|
//
|
|
// NOTE: It's important that the slash is the first character replaced.
|
|
// Otherwise the slash added by other replacements will then be
|
|
// replaced as well, resulted in double-escaping all characters
|
|
// replaced before the slashes were replaced.
|
|
//
|
|
$metaChars = array(
|
|
chr(0x5c), // \
|
|
chr(0x2a), // *
|
|
chr(0x28), // (
|
|
chr(0x29), // )
|
|
chr(0x00) // NUL
|
|
);
|
|
|
|
// Build the list of the escaped versions of those characters.
|
|
|
|
$quotedMetaChars = array();
|
|
|
|
foreach ($metaChars as $key => $value) {
|
|
$quotedMetaChars[$key] = '\\' .
|
|
str_pad(dechex(ord($value)), 2, '0', STR_PAD_LEFT);
|
|
}
|
|
|
|
// Make all the necessary replacements in the input string and return
|
|
// the result.
|
|
|
|
return str_replace($metaChars, $quotedMetaChars, $str);
|
|
}
|
|
}
|
|
|
|
?>
|