start('vacation'); // find current vacation rule if (!$error) { $this->vacation_rule(); $this->vacation_post(); } $this->plugin->add_label('vacation.saving'); $this->rc->output->add_handlers(array( 'vacationform' => array($this, 'vacation_form'), )); $this->rc->output->set_pagetitle($this->plugin->gettext('vacation')); $this->rc->output->send('managesieve.vacation'); } /** * Find and load sieve script with/for vacation rule * * @return int Connection status: 0 on success, >0 on failure */ protected function load_script() { if ($this->script_name !== null) { return 0; } $list = $this->list_scripts(); $master = $this->rc->config->get('managesieve_kolab_master'); $included = array(); $this->script_name = false; // first try the active script(s)... if (!empty($this->active)) { // Note: there can be more than one active script on KEP:14-enabled server foreach ($this->active as $script) { if ($this->sieve->load($script)) { foreach ($this->sieve->script->as_array() as $rule) { if (!empty($rule['actions'])) { if ($rule['actions'][0]['type'] == 'vacation') { $this->script_name = $script; return 0; } else if (empty($master) && $rule['actions'][0]['type'] == 'include') { $included[] = $rule['actions'][0]['target']; } } } } } // ...else try scripts included in active script (not for KEP:14) foreach ($included as $script) { if ($this->sieve->load($script)) { foreach ($this->sieve->script->as_array() as $rule) { if (!empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') { $this->script_name = $script; return 0; } } } } } // try all other scripts if (!empty($list)) { // else try included scripts foreach (array_diff($list, $included, $this->active) as $script) { if ($this->sieve->load($script)) { foreach ($this->sieve->script->as_array() as $rule) { if (!empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') { $this->script_name = $script; return 0; } } } } // none of the scripts contains existing vacation rule // use any (first) active or just existing script (in that order) if (!empty($this->active)) { $this->sieve->load($this->script_name = $this->active[0]); } else { $this->sieve->load($this->script_name = $list[0]); } } return $this->sieve->error(); } private function vacation_rule() { if ($this->script_name === false || $this->script_name === null || !$this->sieve->load($this->script_name)) { return; } $list = array(); $active = in_array($this->script_name, $this->active); // find (first) vacation rule foreach ($this->script as $idx => $rule) { if (empty($this->vacation) && !empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') { foreach ($rule['actions'] as $act) { if ($act['type'] == 'discard' || $act['type'] == 'keep') { $action = $act['type']; } else if ($act['type'] == 'redirect') { $action = $act['copy'] ? 'copy' : 'redirect'; $target = $act['target']; } } $this->vacation = array_merge($rule['actions'][0], array( 'idx' => $idx, 'disabled' => $rule['disabled'] || !$active, 'name' => $rule['name'], 'tests' => $rule['tests'], 'action' => $action ?: 'keep', 'target' => $target, )); } else if ($active) { $list[$idx] = $rule['name']; } } $this->vacation['list'] = $list; } private function vacation_post() { if (empty($_POST)) { return; } $date_extension = in_array('date', $this->exts); $regex_extension = in_array('regex', $this->exts); // set user's timezone try { $timezone = new DateTimeZone($this->rc->config->get('timezone', 'GMT')); } catch (Exception $e) { $timezone = new DateTimeZone('GMT'); } $status = rcube_utils::get_input_value('vacation_status', rcube_utils::INPUT_POST); $subject = rcube_utils::get_input_value('vacation_subject', rcube_utils::INPUT_POST, true); $reason = rcube_utils::get_input_value('vacation_reason', rcube_utils::INPUT_POST, true); $addresses = rcube_utils::get_input_value('vacation_addresses', rcube_utils::INPUT_POST, true); $interval = rcube_utils::get_input_value('vacation_interval', rcube_utils::INPUT_POST); $interval_type = rcube_utils::get_input_value('vacation_interval_type', rcube_utils::INPUT_POST); $date_from = rcube_utils::get_input_value('vacation_datefrom', rcube_utils::INPUT_POST); $date_to = rcube_utils::get_input_value('vacation_dateto', rcube_utils::INPUT_POST); $time_from = rcube_utils::get_input_value('vacation_timefrom', rcube_utils::INPUT_POST); $time_to = rcube_utils::get_input_value('vacation_timeto', rcube_utils::INPUT_POST); $after = rcube_utils::get_input_value('vacation_after', rcube_utils::INPUT_POST); $action = rcube_utils::get_input_value('vacation_action', rcube_utils::INPUT_POST); $target = rcube_utils::get_input_value('action_target', rcube_utils::INPUT_POST, true); $target_domain = rcube_utils::get_input_value('action_domain', rcube_utils::INPUT_POST); $interval_type = $interval_type == 'seconds' ? 'seconds' : 'days'; $vacation_action['type'] = 'vacation'; $vacation_action['reason'] = $this->strip_value(str_replace("\r\n", "\n", $reason)); $vacation_action['subject'] = $subject; $vacation_action['addresses'] = $addresses; $vacation_action[$interval_type] = $interval; $vacation_tests = (array) $this->vacation['tests']; foreach ((array) $vacation_action['addresses'] as $aidx => $address) { $vacation_action['addresses'][$aidx] = $address = trim($address); if (empty($address)) { unset($vacation_action['addresses'][$aidx]); } else if (!rcube_utils::check_email($address)) { $error = 'noemailwarning'; break; } } if ($vacation_action['reason'] == '') { $error = 'managesieve.emptyvacationbody'; } if ($vacation_action[$interval_type] && !preg_match('/^[0-9]+$/', $vacation_action[$interval_type])) { $error = 'managesieve.forbiddenchars'; } // find and remove existing date/regex/true rules foreach ((array) $vacation_tests as $idx => $t) { if ($t['test'] == 'currentdate' || $t['test'] == 'true' || ($t['test'] == 'header' && $t['type'] == 'regex' && $t['arg1'] == 'received') ) { unset($vacation_tests[$idx]); } } if ($date_extension) { foreach (array('date_from', 'date_to') as $var) { $time = ${str_replace('date', 'time', $var)}; $date = trim($$var . ' ' . $time); if ($date && ($dt = rcube_utils::anytodatetime($date, $timezone))) { if ($time) { $vacation_tests[] = array( 'test' => 'currentdate', 'part' => 'iso8601', 'type' => 'value-' . ($var == 'date_from' ? 'ge' : 'le'), 'zone' => $dt->format('O'), 'arg' => str_replace('+00:00', 'Z', strtoupper($dt->format('c'))), ); } else { $vacation_tests[] = array( 'test' => 'currentdate', 'part' => 'date', 'type' => 'value-' . ($var == 'date_from' ? 'ge' : 'le'), 'zone' => $dt->format('O'), 'arg' => $dt->format('Y-m-d'), ); } } } } else if ($regex_extension) { // Add date range rules if range specified if ($date_from && $date_to) { if ($tests = self::build_regexp_tests($date_from, $date_to, $error)) { $vacation_tests = array_merge($vacation_tests, $tests); } } } if ($action == 'redirect' || $action == 'copy') { if ($target_domain) { $target .= '@' . $target_domain; } if (empty($target) || !rcube_utils::check_email($target)) { $error = 'noemailwarning'; } } if (empty($vacation_tests)) { $vacation_tests = $this->rc->config->get('managesieve_vacation_test', array(array('test' => 'true'))); } if (!$error) { $rule = $this->vacation; $rule['type'] = 'if'; $rule['name'] = $rule['name'] ?: $this->plugin->gettext('vacation'); $rule['disabled'] = $status == 'off'; $rule['tests'] = $vacation_tests; $rule['join'] = $date_extension ? count($vacation_tests) > 1 : false; $rule['actions'] = array($vacation_action); $rule['after'] = $after; if ($action && $action != 'keep') { $rule['actions'][] = array( 'type' => $action == 'discard' ? 'discard' : 'redirect', 'copy' => $action == 'copy', 'target' => $action != 'discard' ? $target : '', ); } if ($this->save_vacation_script($rule)) { $this->rc->output->show_message('managesieve.vacationsaved', 'confirmation'); $this->rc->output->send(); } } $this->rc->output->show_message($error ? $error : 'managesieve.saveerror', 'error'); $this->rc->output->send(); } /** * Independent vacation form */ public function vacation_form($attrib) { // check supported extensions $date_extension = in_array('date', $this->exts); $regex_extension = in_array('regex', $this->exts); $seconds_extension = in_array('vacation-seconds', $this->exts); // build FORM tag $form_id = !empty($attrib['id']) ? $attrib['id'] : 'form'; $out = $this->rc->output->request_form(array( 'id' => $form_id, 'name' => $form_id, 'method' => 'post', 'task' => 'settings', 'action' => 'plugin.managesieve-vacation', 'noclose' => true ) + $attrib); // form elements $subject = new html_inputfield(array('name' => 'vacation_subject', 'id' => 'vacation_subject', 'size' => 50)); $reason = new html_textarea(array('name' => 'vacation_reason', 'id' => 'vacation_reason', 'cols' => 60, 'rows' => 8)); $interval = new html_inputfield(array('name' => 'vacation_interval', 'id' => 'vacation_interval', 'size' => 5)); $addresses = ''; $status = new html_select(array('name' => 'vacation_status', 'id' => 'vacation_status')); $action = new html_select(array('name' => 'vacation_action', 'id' => 'vacation_action', 'onchange' => 'vacation_action_select()')); $status->add($this->plugin->gettext('vacation.on'), 'on'); $status->add($this->plugin->gettext('vacation.off'), 'off'); $action->add($this->plugin->gettext('vacation.keep'), 'keep'); $action->add($this->plugin->gettext('vacation.discard'), 'discard'); $action->add($this->plugin->gettext('vacation.redirect'), 'redirect'); if (in_array('copy', $this->exts)) { $action->add($this->plugin->gettext('vacation.copy'), 'copy'); } if ($this->rc->config->get('managesieve_vacation') != 2 && count($this->vacation['list'])) { $after = new html_select(array('name' => 'vacation_after', 'id' => 'vacation_after')); $after->add('', ''); foreach ($this->vacation['list'] as $idx => $rule) { $after->add($rule, $idx); } } $interval_txt = $interval->show(isset($this->vacation['seconds']) ? $this->vacation['seconds'] : $this->vacation['days']); if ($seconds_extension) { $interval_select = new html_select(array('name' => 'vacation_interval_type')); $interval_select->add($this->plugin->gettext('days'), 'days'); $interval_select->add($this->plugin->gettext('seconds'), 'seconds'); $interval_txt .= ' ' . $interval_select->show(isset($this->vacation['seconds']) ? 'seconds' : 'days'); } else { $interval_txt .= ' ' . $this->plugin->gettext('days'); } if ($date_extension || $regex_extension) { $date_from = new html_inputfield(array('name' => 'vacation_datefrom', 'id' => 'vacation_datefrom', 'class' => 'datepicker', 'size' => 12)); $date_to = new html_inputfield(array('name' => 'vacation_dateto', 'id' => 'vacation_dateto', 'class' => 'datepicker', 'size' => 12)); $date_format = $this->rc->config->get('date_format', 'Y-m-d'); } if ($date_extension) { $time_from = new html_inputfield(array('name' => 'vacation_timefrom', 'id' => 'vacation_timefrom', 'size' => 6)); $time_to = new html_inputfield(array('name' => 'vacation_timeto', 'id' => 'vacation_timeto', 'size' => 6)); $time_format = $this->rc->config->get('time_format', 'H:i'); $date_value = array(); foreach ((array) $this->vacation['tests'] as $test) { if ($test['test'] == 'currentdate') { $idx = $test['type'] == 'value-ge' ? 'from' : 'to'; if ($test['part'] == 'date') { $date_value[$idx]['date'] = $test['arg']; } else if ($test['part'] == 'iso8601') { $date_value[$idx]['datetime'] = $test['arg']; } } } foreach ($date_value as $idx => $value) { $date = $value['datetime'] ?: $value['date']; $date_value[$idx] = $this->rc->format_date($date, $date_format, false); if (!empty($value['datetime'])) { $date_value['time_' . $idx] = $this->rc->format_date($date, $time_format, true); } } } else if ($regex_extension) { // Sieve 'date' extension not available, read start/end from RegEx based rules instead if ($date_tests = self::parse_regexp_tests($this->vacation['tests'])) { $date_value['from'] = $this->rc->format_date($date_tests['from'], $date_format, false); $date_value['to'] = $this->rc->format_date($date_tests['to'], $date_format, false); } } // force domain selection in redirect email input $domains = (array) $this->rc->config->get('managesieve_domains'); $redirect = $this->vacation['action'] == 'redirect' || $this->vacation['action'] == 'copy'; if (!empty($domains)) { sort($domains); $domain_select = new html_select(array('name' => 'action_domain', 'id' => 'action_domain')); $domain_select->add(array_combine($domains, $domains)); if ($redirect && $this->vacation['target']) { $parts = explode('@', $this->vacation['target']); if (!empty($parts)) { $this->vacation['domain'] = array_pop($parts); $this->vacation['target'] = implode('@', $parts); } } } // redirect target $action_target = ' ' . '' . (!empty($domains) ? ' @ ' . $domain_select->show($this->vacation['domain']) : '') . ''; // Message tab $table = new html_table(array('cols' => 2)); $table->add('title', html::label('vacation_subject', $this->plugin->gettext('vacation.subject'))); $table->add(null, $subject->show($this->vacation['subject'])); $table->add('title', html::label('vacation_reason', $this->plugin->gettext('vacation.body'))); $table->add(null, $reason->show($this->vacation['reason'])); if ($date_extension || $regex_extension) { $table->add('title', html::label('vacation_datefrom', $this->plugin->gettext('vacation.start'))); $table->add(null, $date_from->show($date_value['from']) . ($time_from ? ' ' . $time_from->show($date_value['time_from']) : '')); $table->add('title', html::label('vacation_dateto', $this->plugin->gettext('vacation.end'))); $table->add(null, $date_to->show($date_value['to']) . ($time_to ? ' ' . $time_to->show($date_value['time_to']) : '')); } $table->add('title', html::label('vacation_status', $this->plugin->gettext('vacation.status'))); $table->add(null, $status->show(!isset($this->vacation['disabled']) || $this->vacation['disabled'] ? 'off' : 'on')); $out .= html::tag('fieldset', $class, html::tag('legend', null, $this->plugin->gettext('vacation.reply')) . $table->show($attrib)); // Advanced tab $table = new html_table(array('cols' => 2)); $table->add('title', html::label('vacation_addresses', $this->plugin->gettext('vacation.addresses'))); $table->add(null, $addresses); $table->add('title', html::label('vacation_interval', $this->plugin->gettext('vacation.interval'))); $table->add(null, $interval_txt); if ($after) { $table->add('title', html::label('vacation_after', $this->plugin->gettext('vacation.after'))); $table->add(null, $after->show($this->vacation['idx'] - 1)); } $table->add('title', html::label('vacation_action', $this->plugin->gettext('vacation.action'))); $table->add('vacation', $action->show($this->vacation['action']) . $action_target); $out .= html::tag('fieldset', $class, html::tag('legend', null, $this->plugin->gettext('vacation.advanced')) . $table->show($attrib)); $out .= ''; $this->rc->output->add_gui_object('sieveform', $form_id); if ($time_format) { $this->rc->output->set_env('time_format', $time_format); } return $out; } public static function build_regexp_tests($date_from, $date_to, &$error) { $tests = array(); $dt_from = rcube_utils::anytodatetime($date_from); $dt_to = rcube_utils::anytodatetime($date_to); $interval = $dt_from->diff($dt_to); if ($interval->invert || $interval->days > 365) { $error = 'managesieve.invaliddateformat'; return; } $dt_i = $dt_from; $interval = new DateInterval('P1D'); $matchexp = ''; while (!$dt_i->diff($dt_to)->invert) { $days = (int) $dt_i->format('d'); $matchexp .= $days < 10 ? "[ 0]$days" : $days; if ($days == $dt_i->format('t') || $dt_i->diff($dt_to)->days == 0) { $test = array( 'test' => 'header', 'type' => 'regex', 'arg1' => 'received', 'arg2' => '('.$matchexp.') '.$dt_i->format('M Y') ); $tests[] = $test; $matchexp = ''; } else { $matchexp .= '|'; } $dt_i->add($interval); } return $tests; } public static function parse_regexp_tests($tests) { $rx_from = '/^\(([0-9]{2}).*\)\s([A-Za-z]+)\s([0-9]{4})/'; $rx_to = '/^\(.*([0-9]{2})\)\s([A-Za-z]+)\s([0-9]{4})/'; $result = array(); foreach ((array) $tests as $test) { if ($test['test'] == 'header' && $test['type'] == 'regex' && $test['arg1'] == 'received') { $textexp = preg_replace('/\[ ([^\]]*)\]/', '0', $test['arg2']); if (!$result['from'] && preg_match($rx_from, $textexp, $matches)) { $result['from'] = $matches[1]." ".$matches[2]." ".$matches[3]; } if (preg_match($rx_to, $textexp, $matches)) { $result['to'] = $matches[1]." ".$matches[2]." ".$matches[3]; } } } return $result; } /** * Saves vacation script (adding some variables) */ protected function save_vacation_script($rule) { // if script does not exist create a new one if ($this->script_name === null || $this->script_name === false) { $this->script_name = $this->rc->config->get('managesieve_script_name'); if (empty($this->script_name)) { $this->script_name = 'roundcube'; } // use default script contents if (!$this->rc->config->get('managesieve_kolab_master')) { $script_file = $this->rc->config->get('managesieve_default'); if ($script_file && is_readable($script_file)) { $content = file_get_contents($script_file); } } // create and load script if ($this->sieve->save_script($this->script_name, $content)) { $this->sieve->load($this->script_name); } } $script_active = in_array($this->script_name, $this->active); // re-order rules if needed if (isset($rule['after']) && $rule['after'] !== '') { // reset original vacation rule if (isset($this->vacation['idx'])) { $this->script[$this->vacation['idx']] = null; } // add at target position if ($rule['after'] >= count($this->script) - 1) { $this->script[] = $rule; } else { $script = array(); foreach ($this->script as $idx => $r) { if ($r) { $script[] = $r; } if ($idx == $rule['after']) { $script[] = $rule; } } $this->script = $script; } $this->script = array_values(array_filter($this->script)); } // update original vacation rule if it exists else if (isset($this->vacation['idx'])) { $this->script[$this->vacation['idx']] = $rule; } // otherwise put vacation rule on top else { array_unshift($this->script, $rule); } // if the script was not active, we need to de-activate // all rules except the vacation rule, but only if it is not disabled if (!$script_active && !$rule['disabled']) { foreach ($this->script as $idx => $r) { if (empty($r['actions']) || $r['actions'][0]['type'] != 'vacation') { $this->script[$idx]['disabled'] = true; } } } if (!$this->sieve->script) { return false; } $this->sieve->script->content = $this->script; // save the script $saved = $this->save_script($this->script_name); // activate the script if ($saved && !$script_active && !$rule['disabled']) { $this->activate_script($this->script_name); } return $saved; } /** * API: get vacation rule * * @return array Vacation rule information */ public function get_vacation() { $this->exts = $this->sieve->get_extensions(); $this->init_script(); $this->vacation_rule(); // check supported extensions $date_extension = in_array('date', $this->exts); $regex_extension = in_array('regex', $this->exts); $seconds_extension = in_array('vacation-seconds', $this->exts); // set user's timezone try { $timezone = new DateTimeZone($this->rc->config->get('timezone', 'GMT')); } catch (Exception $e) { $timezone = new DateTimeZone('GMT'); } if ($date_extension) { $date_value = array(); foreach ((array) $this->vacation['tests'] as $test) { if ($test['test'] == 'currentdate') { $idx = $test['type'] == 'value-ge' ? 'start' : 'end'; if ($test['part'] == 'date') { $date_value[$idx]['date'] = $test['arg']; } else if ($test['part'] == 'iso8601') { $date_value[$idx]['datetime'] = $test['arg']; } } } foreach ($date_value as $idx => $value) { $$idx = new DateTime($value['datetime'] ?: $value['date'], $timezone); } } else if ($regex_extension) { // Sieve 'date' extension not available, read start/end from RegEx based rules instead if ($date_tests = self::parse_regexp_tests($this->vacation['tests'])) { $from = new DateTime($date_tests['from'] . ' ' . '00:00:00', $timezone); $to = new DateTime($date_tests['to'] . ' ' . '23:59:59', $timezone); } } if (isset($this->vacation['seconds'])) { $interval = $this->vacation['seconds'] . 's'; } else if (isset($this->vacation['days'])) { $interval = $this->vacation['days'] . 'd'; } $vacation = array( 'supported' => $this->exts, 'interval' => $interval, 'start' => $start, 'end' => $end, 'enabled' => $this->vacation['reason'] && empty($this->vacation['disabled']), 'message' => $this->vacation['reason'], 'subject' => $this->vacation['subject'], 'action' => $this->vacation['action'], 'target' => $this->vacation['target'], 'addresses' => $this->vacation['addresses'], ); return $vacation; } /** * API: set vacation rule * * @param array $vacation Vacation rule information (see self::get_vacation()) * * @return bool True on success, False on failure */ public function set_vacation($data) { $this->exts = $this->sieve->get_extensions(); $this->error = false; $this->init_script(); $this->vacation_rule(); // check supported extensions $date_extension = in_array('date', $this->exts); $regex_extension = in_array('regex', $this->exts); $seconds_extension = in_array('vacation-seconds', $this->exts); $vacation['type'] = 'vacation'; $vacation['reason'] = $this->strip_value(str_replace("\r\n", "\n", $data['message'])); $vacation['addresses'] = $data['addresses']; $vacation['subject'] = $data['subject']; $vacation_tests = (array) $this->vacation['tests']; foreach ((array) $vacation['addresses'] as $aidx => $address) { $vacation['addresses'][$aidx] = $address = trim($address); if (empty($address)) { unset($vacation['addresses'][$aidx]); } else if (!rcube_utils::check_email($address)) { $this->error = "Invalid address in vacation addresses: $address"; return false; } } if ($vacation['reason'] == '') { $this->error = "No vacation message specified"; return false; } if ($data['interval']) { if (!preg_match('/^([0-9]+)\s*([sd])$/', $data['interval'], $m)) { $this->error = "Invalid vacation interval value: " . $data['interval']; return false; } else if ($m[1]) { $vacation[strtolower($m[2]) == 's' ? 'seconds' : 'days'] = $m[1]; } } // find and remove existing date/regex/true rules foreach ((array) $vacation_tests as $idx => $t) { if ($t['test'] == 'currentdate' || $t['test'] == 'true' || ($t['test'] == 'header' && $t['type'] == 'regex' && $t['arg1'] == 'received') ) { unset($vacation_tests[$idx]); } } if ($date_extension) { foreach (array('start', 'end') as $var) { if ($dt = $data[$var]) { $vacation_tests[] = array( 'test' => 'currentdate', 'part' => 'iso8601', 'type' => 'value-' . ($var == 'start' ? 'ge' : 'le'), 'zone' => $dt->format('O'), 'arg' => str_replace('+00:00', 'Z', strtoupper($dt->format('c'))), ); } } } else if ($regex_extension) { // Add date range rules if range specified if ($data['start'] && $data['end']) { if ($tests = self::build_regexp_tests($data['start'], $data['end'], $error)) { $vacation_tests = array_merge($vacation_tests, $tests); } if ($error) { $this->error = "Invalid dates specified or unsupported period length"; return false; } } } if ($data['action'] == 'redirect' || $data['action'] == 'copy') { if (empty($data['target']) || !rcube_utils::check_email($data['target'])) { $this->error = "Invalid address in action taget: " . $data['target']; return false; } } else if ($data['action'] && $data['action'] != 'keep' && $data['action'] != 'discard') { $this->error = "Unsupported vacation action: " . $data['action']; return false; } if (empty($vacation_tests)) { $vacation_tests = $this->rc->config->get('managesieve_vacation_test', array(array('test' => 'true'))); } $rule = $this->vacation; $rule['type'] = 'if'; $rule['name'] = $rule['name'] ?: 'Out-of-Office'; $rule['disabled'] = isset($data['enabled']) && !$data['enabled']; $rule['tests'] = $vacation_tests; $rule['join'] = $date_extension ? count($vacation_tests) > 1 : false; $rule['actions'] = array($vacation); if ($data['action'] && $data['action'] != 'keep') { $rule['actions'][] = array( 'type' => $data['action'] == 'discard' ? 'discard' : 'redirect', 'copy' => $data['action'] == 'copy', 'target' => $data['action'] != 'discard' ? $data['target'] : '', ); } return $this->save_vacation_script($rule); } /** * API: connect to managesieve server */ public function connect($username, $password) { if (!parent::connect($username, $password)) { return $this->load_script(); } } /** * API: Returns last error * * @return string Error message */ public function get_error() { return $this->error; } }