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roundcubemail/plugins/managesieve/lib/Roundcube/rcube_sieve_vacation.php

737 lines
29 KiB
PHTML

<?php
/**
* Managesieve Vacation Engine
*
* Engine part of Managesieve plugin implementing UI and backend access.
*
* Copyright (C) 2011-2014, Kolab Systems AG
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
class rcube_sieve_vacation extends rcube_sieve_engine
{
protected $error;
function actions()
{
$error = $this->start('vacation');
// find current vacation rule
if (!$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');
}
private function vacation_rule()
{
$this->vacation = array();
if (empty($this->active)) {
return;
}
$list = array();
// find (first) vacation rule
foreach ($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'],
'name' => $rule['name'],
'tests' => $rule['tests'],
'action' => $action ?: 'keep',
'target' => $target,
));
}
else {
$list[$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 = $this->rc->config->get('managesieve_vacation_test', array(array('test' => 'true')));
}
// @TODO: handle situation when there's no active script
if (!$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);
if ($action && $action != 'keep') {
$rule['actions'][] = array(
'type' => $action == 'discard' ? 'discard' : 'redirect',
'copy' => $action == 'copy',
'target' => $action != 'discard' ? $target : '',
);
}
// reset original vacation rule
if (isset($this->vacation['idx'])) {
$this->script[$this->vacation['idx']] = null;
}
// re-order rules if needed
if (isset($after) && $after !== '') {
// add at target position
if ($after >= count($this->script) - 1) {
$this->script[] = $rule;
}
else {
$script = array();
foreach ($this->script as $idx => $r) {
if ($r) {
$script[] = $r;
}
if ($idx == $after) {
$script[] = $rule;
}
}
$this->script = $script;
}
}
else {
array_unshift($this->script, $rule);
}
$this->sieve->script->content = array_values(array_filter($this->script));
if ($this->save_script()) {
$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 = '<textarea name="vacation_addresses" id="vacation_addresses" data-type="list" data-size="30" style="display: none">'
. rcube::Q(implode("\n", (array) $this->vacation['addresses']), 'strict', false) . '</textarea>';
$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 .= '&nbsp;' . $interval_select->show(isset($this->vacation['seconds']) ? 'seconds' : 'days');
}
else {
$interval_txt .= '&nbsp;' . $this->plugin->gettext('days');
}
if ($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
$action_target = ' <span id="action_target_span" style="display:' . ($redirect ? 'inline' : 'none') . '">'
. '<input type="text" name="action_target" id="action_target"'
. ' value="' .($redirect ? rcube::Q($this->vacation['target'], 'strict', false) : '') . '"'
. (!empty($domains) ? ' size="20"' : ' size="35"') . '/>'
. (!empty($domains) ? ' @ ' . $domain_select->show($this->vacation['domain']) : '')
. '</span>';
// 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 .= '</form>';
$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;
}
/**
* 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')));
}
// @TODO: handle situation when there's no active script
$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' ? $data['target'] : '',
);
}
// reset original vacation rule
if (isset($this->vacation['idx'])) {
$this->script[$this->vacation['idx']] = null;
}
array_unshift($this->script, $rule);
$this->sieve->script->content = array_values(array_filter($this->script));
return $this->save_script();
}
/**
* API: connect to managesieve server
*/
public function connect($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;
}
}