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426 lines
14 KiB
PHP
426 lines
14 KiB
PHP
<?php
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class ModelUserAuth extends Model {
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public function checkLogin($username = '', $password = '') {
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$session = Registry::get('session');
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$ok = 0;
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if($username == '' || $password == '') { return 0; }
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if(ENABLE_LDAP_AUTH == 1) {
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$ok = $this->checkLoginAgainstLDAP($username, $password);
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if($ok == 1) { return $ok; }
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}
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if(ENABLE_IMAP_AUTH == 1) {
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require 'Zend/Mail/Protocol/Imap.php';
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$ok = $this->checkLoginAgainstIMAP($username, $password);
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if($ok == 1) { return $ok; }
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}
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if(ENABLE_POP3_AUTH == 1) {
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require 'Zend/Mail/Protocol/Pop3.php';
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$ok = $this->checkLoginAgainstPOP3($username, $password);
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if($ok == 1) { return $ok; }
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}
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// fallback local auth
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$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 == 0 && strlen($query->row['dn']) > 3) {
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$ok = $this->checkLoginAgainstFallbackLDAP($query->row, $password);
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}
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if($ok == 1) {
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$session->set("username", $username);
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$session->set("uid", $query->row['uid']);
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$session->set("admin_user", $query->row['isadmin']);
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$session->set("email", $username);
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$session->set("domain", $query->row['domain']);
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$session->set("realname", $query->row['realname']);
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$session->set("auditdomains", $this->model_user_user->get_users_all_domains($query->row['uid']));
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$session->set("emails", $this->model_user_user->get_users_all_email_addresses($query->row['uid']));
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$session->set("folders", $this->model_folder_folder->get_all_folder_ids($query->row['uid']));
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$session->set("extra_folders", $this->model_folder_folder->get_all_extra_folder_ids($query->row['uid']));
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$this->is_ga_code_needed();
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return 1;
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}
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return 0;
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}
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private function checkLoginAgainstLDAP($username = '', $password = '') {
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$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(ENABLE_SAAS == 1) {
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$a = $this->model_saas_ldap->get_ldap_params_by_email($username);
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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 = $a['ldap_distributionlist_objectclass'];
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}
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}
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if($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(ENABLE_SYSLOG == 1) { 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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$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=" . stripslashes($a['dn']) . ")))", array());
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if($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, $extra_emails);
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$this->add_session_vars($a['cn'], $username, $emails, $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(ENABLE_SYSLOG == 1) {
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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[$memberattr]['count'])) {
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for($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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foreach (array("mail", "mailalternateaddress", "proxyaddresses", "zimbraMailForwardingAddress", "member", "memberOfGroup") 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']; $i++) {
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$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, $email); }
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}
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}
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}
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else {
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$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 $data;
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}
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private function add_session_vars($name = '', $email = '', $emails = array(), $role = 0) {
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$session = Registry::get('session');
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$a = explode("@", $email);
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$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, $email));
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}
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$session->set("username", $email);
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$session->set("uid", $uid);
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if($role > 0) {
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$session->set("admin_user", $role);
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} else {
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$session->set("admin_user", 0);
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}
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$session->set("email", $email);
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$session->set("domain", $a[1]);
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$session->set("realname", $name);
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$session->set("auditdomains", $this->model_domain_domain->get_your_all_domains_by_email($email));
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$session->set("emails", $emails);
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$session->set("folders", array());
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$session->set("extra_folders", array());
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$this->is_ga_code_needed();
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}
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private function checkLoginAgainstFallbackLDAP($user = array(), $password = '') {
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if($password == '' || !isset($user['username']) || !isset($user['domain']) || !isset($user['dn']) || strlen($user['domain']) < 2){ return 0; }
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$query = $this->db->query("SELECT remotehost, basedn FROM " . TABLE_REMOTE . " WHERE remotedomain=?", array($user['domain']));
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if($query->num_rows != 1) { return 0; }
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$ldap = new LDAP($query->row['remotehost'], $user['dn'], $password);
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if($ldap->is_bind_ok()) {
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$this->change_password($user['username'], $password);
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AUDIT(ACTION_LOGIN, $user['username'], '', '', 'changed password in local table');
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return 1;
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}
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else {
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AUDIT(ACTION_LOGIN_FAILED, $user['username'], '', '', 'failed bind to ' . $query->row['remotehost'], $user['dn']);
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}
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return 0;
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}
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private function checkLoginAgainstIMAP($username = '', $password = '') {
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$session = Registry::get('session');
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$emails = array($username);
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if(!strchr($username, '@')) { return 0; }
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$imap = new Zend_Mail_Protocol_Imap(IMAP_HOST, IMAP_PORT, IMAP_SSL);
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if($imap->login($username, $password)) {
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$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, $extra_emails);
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$this->add_session_vars($username, $username, $emails, 0);
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$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 = '', $password = '') {
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$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, $extra_emails);
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$this->add_session_vars($username, $username, $emails, 0);
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$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(ENABLE_SYSLOG == 1) { 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 = $query->row;
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if(isset($a['mail']['count'])) { $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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syslog(LOG_INFO, "no email address found for " . $a['dn']);
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return 0;
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}
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$query = $ldap->query(LDAP_BASE_DN, "(|(&(objectClass=user)(proxyAddresses=smtp:$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);
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$emails = array_merge($emails, $extra_emails);
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if($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) { $role = 1; }
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$this->add_session_vars($a['cn'], $username, $emails, $role);
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AUDIT(ACTION_LOGIN, $username, '', '', 'successful auth against LDAP');
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return 1;
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}
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}
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return 0;
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}
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public function get_failed_login_count() {
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$session = Registry::get('session');
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$n = $session->get('failed_logins');
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if($n == '') { $n = 0; }
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return $n;
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}
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public function increment_failed_login_count($n = 0) {
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$session = Registry::get('session');
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$n = $session->get('failed_logins') + 1;
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$session->set('failed_logins', $n);
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}
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private function is_ga_code_needed() {
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$session = Registry::get('session');
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$query = $this->db->query("SELECT ga_enabled FROM " . TABLE_USER_SETTINGS . " WHERE username=?", array($session->get("username")));
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if(isset($query->row['ga_enabled']) && $query->row['ga_enabled'] == 1) {
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$session->set("ga_block", 1);
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}
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}
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public function change_password($username = '', $password = '') {
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if($username == "" || $password == ""){ return 0; }
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$query = $this->db->query("UPDATE " . TABLE_USER . " SET password=? WHERE username=?", array(crypt($password), $username));
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$rc = $this->db->countAffected();
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return $rc;
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}
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}
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?>
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