Aleksander Machniak
2015-11-22 9f1f754daf4b57a0d0d3aea95d2321716d218cf5
commit | author | age
50a57e 1 <?php
AM 2
3 /**
4  * Managesieve Vacation Engine
5  *
6  * Engine part of Managesieve plugin implementing UI and backend access.
7  *
8  * Copyright (C) 2011-2014, Kolab Systems AG
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program. If not, see http://www.gnu.org/licenses/.
22  */
23
24 class rcube_sieve_vacation extends rcube_sieve_engine
25 {
613f96 26     protected $error;
dc9cc7 27     protected $script_name;
AM 28     protected $vacation = array();
613f96 29
50a57e 30     function actions()
AM 31     {
32         $error = $this->start('vacation');
33
34         // find current vacation rule
35         if (!$error) {
36             $this->vacation_rule();
37             $this->vacation_post();
38         }
dc9cc7 39
50a57e 40         $this->plugin->add_label('vacation.saving');
AM 41         $this->rc->output->add_handlers(array(
42             'vacationform' => array($this, 'vacation_form'),
43         ));
44
45         $this->rc->output->set_pagetitle($this->plugin->gettext('vacation'));
46         $this->rc->output->send('managesieve.vacation');
47     }
48
dc9cc7 49     /**
AM 50      * Find and load sieve script with/for vacation rule
51      *
1b39d9 52      * @param string $script_name Optional script name
AM 53      *
dc9cc7 54      * @return int Connection status: 0 on success, >0 on failure
AM 55      */
1b39d9 56     protected function load_script($script_name = null)
dc9cc7 57     {
AM 58         if ($this->script_name !== null) {
59             return 0;
60         }
61
62         $list     = $this->list_scripts();
63         $master   = $this->rc->config->get('managesieve_kolab_master');
64         $included = array();
65
66         $this->script_name = false;
67
68         // first try the active script(s)...
69         if (!empty($this->active)) {
70             // Note: there can be more than one active script on KEP:14-enabled server
71             foreach ($this->active as $script) {
72                 if ($this->sieve->load($script)) {
73                     foreach ($this->sieve->script->as_array() as $rule) {
74                         if (!empty($rule['actions'])) {
75                             if ($rule['actions'][0]['type'] == 'vacation') {
76                                 $this->script_name = $script;
77                                 return 0;
78                             }
79                             else if (empty($master) && $rule['actions'][0]['type'] == 'include') {
80                                 $included[] = $rule['actions'][0]['target'];
81                             }
82                         }
83                     }
84                 }
85             }
86
87             // ...else try scripts included in active script (not for KEP:14)
88             foreach ($included as $script) {
89                 if ($this->sieve->load($script)) {
90                     foreach ($this->sieve->script->as_array() as $rule) {
91                         if (!empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') {
92                             $this->script_name = $script;
93                             return 0;
94                         }
95                     }
96                 }
97             }
98         }
99
100         // try all other scripts
101         if (!empty($list)) {
102             // else try included scripts
103             foreach (array_diff($list, $included, $this->active) as $script) {
104                 if ($this->sieve->load($script)) {
105                     foreach ($this->sieve->script->as_array() as $rule) {
106                         if (!empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') {
107                             $this->script_name = $script;
108                             return 0;
109                         }
110                     }
111                 }
112             }
113
114             // none of the scripts contains existing vacation rule
115             // use any (first) active or just existing script (in that order)
116             if (!empty($this->active)) {
117                 $this->sieve->load($this->script_name = $this->active[0]);
118             }
119             else {
120                 $this->sieve->load($this->script_name = $list[0]);
121             }
122         }
123
124         return $this->sieve->error();
125     }
126
50a57e 127     private function vacation_rule()
AM 128     {
04009e 129         if ($this->script_name === false || $this->script_name === null || !$this->sieve->load($this->script_name)) {
50a57e 130             return;
AM 131         }
132
dc9cc7 133         $list   = array();
AM 134         $active = in_array($this->script_name, $this->active);
50a57e 135
AM 136         // find (first) vacation rule
137         foreach ($this->script as $idx => $rule) {
138             if (empty($this->vacation) && !empty($rule['actions']) && $rule['actions'][0]['type'] == 'vacation') {
c883f6 139                 foreach ($rule['actions'] as $act) {
AM 140                     if ($act['type'] == 'discard' || $act['type'] == 'keep') {
141                         $action = $act['type'];
142                     }
143                     else if ($act['type'] == 'redirect') {
144                         $action = $act['copy'] ? 'copy' : 'redirect';
145                         $target = $act['target'];
146                     }
147                 }
148
50a57e 149                 $this->vacation = array_merge($rule['actions'][0], array(
AM 150                         'idx'      => $idx,
dc9cc7 151                         'disabled' => $rule['disabled'] || !$active,
50a57e 152                         'name'     => $rule['name'],
AM 153                         'tests'    => $rule['tests'],
c883f6 154                         'action'   => $action ?: 'keep',
AM 155                         'target'   => $target,
50a57e 156                 ));
AM 157             }
dc9cc7 158             else if ($active) {
50a57e 159                 $list[$idx] = $rule['name'];
AM 160             }
161         }
162
163         $this->vacation['list'] = $list;
164     }
165
166     private function vacation_post()
167     {
168         if (empty($_POST)) {
169             return;
170         }
171
147530 172         $date_extension  = in_array('date', $this->exts);
JL 173         $regex_extension = in_array('regex', $this->exts);
174
581b6b 175         // set user's timezone
AM 176         try {
177             $timezone = new DateTimeZone($this->rc->config->get('timezone', 'GMT'));
178         }
179         catch (Exception $e) {
180             $timezone = new DateTimeZone('GMT');
181         }
182
50a57e 183         $status        = rcube_utils::get_input_value('vacation_status', rcube_utils::INPUT_POST);
162bc8 184         $from          = rcube_utils::get_input_value('vacation_from', rcube_utils::INPUT_POST);
50a57e 185         $subject       = rcube_utils::get_input_value('vacation_subject', rcube_utils::INPUT_POST, true);
AM 186         $reason        = rcube_utils::get_input_value('vacation_reason', rcube_utils::INPUT_POST, true);
187         $addresses     = rcube_utils::get_input_value('vacation_addresses', rcube_utils::INPUT_POST, true);
188         $interval      = rcube_utils::get_input_value('vacation_interval', rcube_utils::INPUT_POST);
189         $interval_type = rcube_utils::get_input_value('vacation_interval_type', rcube_utils::INPUT_POST);
190         $date_from     = rcube_utils::get_input_value('vacation_datefrom', rcube_utils::INPUT_POST);
191         $date_to       = rcube_utils::get_input_value('vacation_dateto', rcube_utils::INPUT_POST);
581b6b 192         $time_from     = rcube_utils::get_input_value('vacation_timefrom', rcube_utils::INPUT_POST);
AM 193         $time_to       = rcube_utils::get_input_value('vacation_timeto', rcube_utils::INPUT_POST);
50a57e 194         $after         = rcube_utils::get_input_value('vacation_after', rcube_utils::INPUT_POST);
c883f6 195         $action        = rcube_utils::get_input_value('vacation_action', rcube_utils::INPUT_POST);
AM 196         $target        = rcube_utils::get_input_value('action_target', rcube_utils::INPUT_POST, true);
197         $target_domain = rcube_utils::get_input_value('action_domain', rcube_utils::INPUT_POST);
50a57e 198
AM 199         $interval_type                   = $interval_type == 'seconds' ? 'seconds' : 'days';
200         $vacation_action['type']         = 'vacation';
201         $vacation_action['reason']       = $this->strip_value(str_replace("\r\n", "\n", $reason));
162bc8 202         $vacation_action['subject']      = trim($subject);
AM 203         $vacation_action['from']         = trim($from);
50a57e 204         $vacation_action['addresses']    = $addresses;
AM 205         $vacation_action[$interval_type] = $interval;
206         $vacation_tests                  = (array) $this->vacation['tests'];
207
208         foreach ((array) $vacation_action['addresses'] as $aidx => $address) {
209             $vacation_action['addresses'][$aidx] = $address = trim($address);
210
211             if (empty($address)) {
212                 unset($vacation_action['addresses'][$aidx]);
213             }
214             else if (!rcube_utils::check_email($address)) {
215                 $error = 'noemailwarning';
216                 break;
217             }
162bc8 218         }
AM 219
220         if (!empty($vacation_action['from']) && !rcube_utils::check_email($vacation_action['from'])) {
221             $error = 'noemailwarning';
50a57e 222         }
AM 223
224         if ($vacation_action['reason'] == '') {
9828c1 225             $error = 'managesieve.emptyvacationbody';
50a57e 226         }
9828c1 227
50a57e 228         if ($vacation_action[$interval_type] && !preg_match('/^[0-9]+$/', $vacation_action[$interval_type])) {
AM 229             $error = 'managesieve.forbiddenchars';
230         }
231
f72815 232         // find and remove existing date/regex/true rules
AM 233         foreach ((array) $vacation_tests as $idx => $t) {
581b6b 234             if ($t['test'] == 'currentdate' || $t['test'] == 'true'
f72815 235                 || ($t['test'] == 'header' && $t['type'] == 'regex' && $t['arg1'] == 'received')
AM 236             ) {
237                 unset($vacation_tests[$idx]);
238             }
239         }
240
147530 241         if ($date_extension) {
JL 242             foreach (array('date_from', 'date_to') as $var) {
581b6b 243                 $time = ${str_replace('date', 'time', $var)};
AM 244                 $date = trim($$var . ' ' . $time);
245
246                 if ($date && ($dt = rcube_utils::anytodatetime($date, $timezone))) {
247                     if ($time) {
248                         $vacation_tests[] = array(
249                             'test' => 'currentdate',
5a6415 250                             'part' => 'iso8601',
581b6b 251                             'type' => 'value-' . ($var == 'date_from' ? 'ge' : 'le'),
AM 252                             'zone' => $dt->format('O'),
5a6415 253                             'arg'  => str_replace('+00:00', 'Z', strtoupper($dt->format('c'))),
AM 254                         );
255                     }
256                     else {
257                         $vacation_tests[] = array(
258                             'test' => 'currentdate',
259                             'part' => 'date',
260                             'type' => 'value-' . ($var == 'date_from' ? 'ge' : 'le'),
261                             'zone' => $dt->format('O'),
262                             'arg'  => $dt->format('Y-m-d'),
581b6b 263                         );
AM 264                     }
147530 265                 }
JL 266             }
267         }
319751 268         else if ($regex_extension) {
AM 269             // Add date range rules if range specified
147530 270             if ($date_from && $date_to) {
f72815 271                 if ($tests = self::build_regexp_tests($date_from, $date_to, $error)) {
AM 272                     $vacation_tests = array_merge($vacation_tests, $tests);
147530 273                 }
50a57e 274             }
AM 275         }
276
c883f6 277         if ($action == 'redirect' || $action == 'copy') {
AM 278             if ($target_domain) {
279                 $target .= '@' . $target_domain;
280             }
281
282             if (empty($target) || !rcube_utils::check_email($target)) {
283                 $error = 'noemailwarning';
284             }
285         }
286
50a57e 287         if (empty($vacation_tests)) {
AM 288             $vacation_tests = $this->rc->config->get('managesieve_vacation_test', array(array('test' => 'true')));
289         }
290
291         if (!$error) {
292             $rule               = $this->vacation;
293             $rule['type']       = 'if';
294             $rule['name']       = $rule['name'] ?: $this->plugin->gettext('vacation');
295             $rule['disabled']   = $status == 'off';
296             $rule['tests']      = $vacation_tests;
319751 297             $rule['join']       = $date_extension ? count($vacation_tests) > 1 : false;
c883f6 298             $rule['actions']    = array($vacation_action);
dc9cc7 299             $rule['after']      = $after;
c883f6 300
AM 301             if ($action && $action != 'keep') {
302                 $rule['actions'][] = array(
303                     'type'   => $action == 'discard' ? 'discard' : 'redirect',
304                     'copy'   => $action == 'copy',
305                     'target' => $action != 'discard' ? $target : '',
306                 );
307             }
50a57e 308
dc9cc7 309             if ($this->save_vacation_script($rule)) {
50a57e 310                 $this->rc->output->show_message('managesieve.vacationsaved', 'confirmation');
AM 311                 $this->rc->output->send();
312             }
313         }
314
9f1f75 315         $this->rc->output->show_message($error ?: 'managesieve.saveerror', 'error');
50a57e 316         $this->rc->output->send();
AM 317     }
318
319     /**
320      * Independent vacation form
321      */
322     public function vacation_form($attrib)
323     {
324         // check supported extensions
325         $date_extension    = in_array('date', $this->exts);
147530 326         $regex_extension   = in_array('regex', $this->exts);
50a57e 327         $seconds_extension = in_array('vacation-seconds', $this->exts);
AM 328
329         // build FORM tag
9f1f75 330         $form_id = $attrib['id'] ?: 'form';
50a57e 331         $out     = $this->rc->output->request_form(array(
AM 332             'id'      => $form_id,
333             'name'    => $form_id,
334             'method'  => 'post',
335             'task'    => 'settings',
336             'action'  => 'plugin.managesieve-vacation',
337             'noclose' => true
338             ) + $attrib);
339
9c38c5 340         $auto_addr = $this->rc->config->get('managesieve_vacation_addresses_init');
AM 341         $addresses = !$auto_addr || count($this->vacation) > 1 ? (array) $this->vacation['addresses'] : $this->user_emails();
342
50a57e 343         // form elements
162bc8 344         $from      = new html_inputfield(array('name' => 'vacation_from', 'id' => 'vacation_from', 'size' => 50));
13b33d 345         $subject   = new html_inputfield(array('name' => 'vacation_subject', 'id' => 'vacation_subject', 'size' => 50));
AM 346         $reason    = new html_textarea(array('name' => 'vacation_reason', 'id' => 'vacation_reason', 'cols' => 60, 'rows' => 8));
347         $interval  = new html_inputfield(array('name' => 'vacation_interval', 'id' => 'vacation_interval', 'size' => 5));
348         $addresses = '<textarea name="vacation_addresses" id="vacation_addresses" data-type="list" data-size="30" style="display: none">'
9c38c5 349             . rcube::Q(implode("\n", $addresses), 'strict', false) . '</textarea>';
13b33d 350         $status    = new html_select(array('name' => 'vacation_status', 'id' => 'vacation_status'));
c883f6 351         $action    = new html_select(array('name' => 'vacation_action', 'id' => 'vacation_action', 'onchange' => 'vacation_action_select()'));
9c38c5 352         $addresses_link = new html_inputfield(array(
AM 353                 'type'    => 'button',
354                 'href'    => '#',
355                 'class' => 'button',
356                 'onclick' => rcmail_output::JS_OBJECT_NAME . '.managesieve_vacation_addresses()'
357             ));
50a57e 358
AM 359         $status->add($this->plugin->gettext('vacation.on'), 'on');
360         $status->add($this->plugin->gettext('vacation.off'), 'off');
c883f6 361
AM 362         $action->add($this->plugin->gettext('vacation.keep'), 'keep');
363         $action->add($this->plugin->gettext('vacation.discard'), 'discard');
364         $action->add($this->plugin->gettext('vacation.redirect'), 'redirect');
365         if (in_array('copy', $this->exts)) {
366             $action->add($this->plugin->gettext('vacation.copy'), 'copy');
367         }
50a57e 368
AM 369         if ($this->rc->config->get('managesieve_vacation') != 2 && count($this->vacation['list'])) {
13b33d 370             $after = new html_select(array('name' => 'vacation_after', 'id' => 'vacation_after'));
50a57e 371
AM 372             $after->add('', '');
373             foreach ($this->vacation['list'] as $idx => $rule) {
374                 $after->add($rule, $idx);
375             }
376         }
377
fa8577 378         $interval_txt = $interval->show(self::vacation_interval($this->vacation));
50a57e 379         if ($seconds_extension) {
AM 380             $interval_select = new html_select(array('name' => 'vacation_interval_type'));
381             $interval_select->add($this->plugin->gettext('days'), 'days');
382             $interval_select->add($this->plugin->gettext('seconds'), 'seconds');
383             $interval_txt .= '&nbsp;' . $interval_select->show(isset($this->vacation['seconds']) ? 'seconds' : 'days');
384         }
385         else {
386             $interval_txt .= '&nbsp;' . $this->plugin->gettext('days');
387         }
388
147530 389         if ($date_extension || $regex_extension) {
13b33d 390             $date_from   = new html_inputfield(array('name' => 'vacation_datefrom', 'id' => 'vacation_datefrom', 'class' => 'datepicker', 'size' => 12));
581b6b 391             $date_to     = new html_inputfield(array('name' => 'vacation_dateto', 'id' => 'vacation_dateto', 'class' => 'datepicker', 'size' => 12));
50a57e 392             $date_format = $this->rc->config->get('date_format', 'Y-m-d');
147530 393         }
50a57e 394
147530 395         if ($date_extension) {
581b6b 396             $time_from   = new html_inputfield(array('name' => 'vacation_timefrom', 'id' => 'vacation_timefrom', 'size' => 6));
AM 397             $time_to     = new html_inputfield(array('name' => 'vacation_timeto', 'id' => 'vacation_timeto', 'size' => 6));
398             $time_format = $this->rc->config->get('time_format', 'H:i');
399             $date_value  = array();
400
50a57e 401             foreach ((array) $this->vacation['tests'] as $test) {
5a6415 402                 if ($test['test'] == 'currentdate') {
581b6b 403                     $idx = $test['type'] == 'value-ge' ? 'from' : 'to';
5a6415 404
AM 405                     if ($test['part'] == 'date') {
406                         $date_value[$idx]['date'] = $test['arg'];
407                     }
408                     else if ($test['part'] == 'iso8601') {
409                         $date_value[$idx]['datetime'] = $test['arg'];
581b6b 410                     }
AM 411                 }
412             }
413
414             foreach ($date_value as $idx => $value) {
5a6415 415                 $date = $value['datetime'] ?: $value['date'];
AM 416                 $date_value[$idx] = $this->rc->format_date($date, $date_format, false);
581b6b 417
5a6415 418                 if (!empty($value['datetime'])) {
AM 419                     $date_value['time_' . $idx] = $this->rc->format_date($date, $time_format, true);
50a57e 420                 }
AM 421             }
147530 422         }
319751 423         else if ($regex_extension) {
147530 424             // Sieve 'date' extension not available, read start/end from RegEx based rules instead
f72815 425             if ($date_tests = self::parse_regexp_tests($this->vacation['tests'])) {
AM 426                 $date_value['from'] = $this->rc->format_date($date_tests['from'], $date_format, false);
427                 $date_value['to']   = $this->rc->format_date($date_tests['to'], $date_format, false);
147530 428             }
50a57e 429         }
AM 430
c883f6 431         // force domain selection in redirect email input
AM 432         $domains  = (array) $this->rc->config->get('managesieve_domains');
433         $redirect = $this->vacation['action'] == 'redirect' || $this->vacation['action'] == 'copy';
434
435         if (!empty($domains)) {
436             sort($domains);
437
438             $domain_select = new html_select(array('name' => 'action_domain', 'id' => 'action_domain'));
439             $domain_select->add(array_combine($domains, $domains));
440
441             if ($redirect && $this->vacation['target']) {
442                 $parts = explode('@', $this->vacation['target']);
443                 if (!empty($parts)) {
444                     $this->vacation['domain'] = array_pop($parts);
445                     $this->vacation['target'] = implode('@', $parts);
446                 }
447             }
448         }
449
450         // redirect target
451         $action_target = ' <span id="action_target_span" style="display:' . ($redirect ? 'inline' : 'none') . '">'
452             . '<input type="text" name="action_target" id="action_target"'
453             . ' value="' .($redirect ? rcube::Q($this->vacation['target'], 'strict', false) : '') . '"'
454             . (!empty($domains) ? ' size="20"' : ' size="35"') . '/>'
455             . (!empty($domains) ? ' @ ' . $domain_select->show($this->vacation['domain']) : '')
456             . '</span>';
457
50a57e 458         // Message tab
AM 459         $table = new html_table(array('cols' => 2));
460
461         $table->add('title', html::label('vacation_subject', $this->plugin->gettext('vacation.subject')));
462         $table->add(null, $subject->show($this->vacation['subject']));
463         $table->add('title', html::label('vacation_reason', $this->plugin->gettext('vacation.body')));
464         $table->add(null, $reason->show($this->vacation['reason']));
465
147530 466         if ($date_extension || $regex_extension) {
581b6b 467             $table->add('title', html::label('vacation_datefrom', $this->plugin->gettext('vacation.start')));
AM 468             $table->add(null, $date_from->show($date_value['from']) . ($time_from ? ' ' . $time_from->show($date_value['time_from']) : ''));
469             $table->add('title', html::label('vacation_dateto', $this->plugin->gettext('vacation.end')));
470             $table->add(null, $date_to->show($date_value['to']) . ($time_to ? ' ' . $time_to->show($date_value['time_to']) : ''));
50a57e 471         }
AM 472
473         $table->add('title', html::label('vacation_status', $this->plugin->gettext('vacation.status')));
9828c1 474         $table->add(null, $status->show(!isset($this->vacation['disabled']) || $this->vacation['disabled'] ? 'off' : 'on'));
50a57e 475
AM 476         $out .= html::tag('fieldset', $class, html::tag('legend', null, $this->plugin->gettext('vacation.reply')) . $table->show($attrib));
477
478         // Advanced tab
479         $table = new html_table(array('cols' => 2));
480
162bc8 481         $table->add('title', html::label('vacation_from', $this->plugin->gettext('vacation.from')));
AM 482         $table->add(null, $from->show($this->vacation['from']));
13b33d 483         $table->add('title', html::label('vacation_addresses', $this->plugin->gettext('vacation.addresses')));
9c38c5 484         $table->add(null, $addresses . $addresses_link->show($this->plugin->gettext('filladdresses')));
13b33d 485         $table->add('title', html::label('vacation_interval', $this->plugin->gettext('vacation.interval')));
50a57e 486         $table->add(null, $interval_txt);
c883f6 487
50a57e 488         if ($after) {
13b33d 489             $table->add('title', html::label('vacation_after', $this->plugin->gettext('vacation.after')));
50a57e 490             $table->add(null, $after->show($this->vacation['idx'] - 1));
AM 491         }
492
c883f6 493         $table->add('title', html::label('vacation_action', $this->plugin->gettext('vacation.action')));
AM 494         $table->add('vacation', $action->show($this->vacation['action']) . $action_target);
495
50a57e 496         $out .= html::tag('fieldset', $class, html::tag('legend', null, $this->plugin->gettext('vacation.advanced')) . $table->show($attrib));
AM 497
498         $out .= '</form>';
499
500         $this->rc->output->add_gui_object('sieveform', $form_id);
501
581b6b 502         if ($time_format) {
AM 503             $this->rc->output->set_env('time_format', $time_format);
504         }
505
50a57e 506         return $out;
AM 507     }
f72815 508
AM 509     public static function build_regexp_tests($date_from, $date_to, &$error)
510     {
511         $tests    = array();
512         $dt_from  = rcube_utils::anytodatetime($date_from);
513         $dt_to    = rcube_utils::anytodatetime($date_to);
514         $interval = $dt_from->diff($dt_to);
515
516         if ($interval->invert || $interval->days > 365) {
517             $error = 'managesieve.invaliddateformat';
518             return;
519         }
520
521         $dt_i     = $dt_from;
522         $interval = new DateInterval('P1D');
523         $matchexp = '';
524
525         while (!$dt_i->diff($dt_to)->invert) {
526             $days     = (int) $dt_i->format('d');
527             $matchexp .= $days < 10 ? "[ 0]$days" : $days;
528
529             if ($days == $dt_i->format('t') || $dt_i->diff($dt_to)->days == 0) {
530                 $test = array(
531                     'test' => 'header',
532                     'type' => 'regex',
533                     'arg1' => 'received',
534                     'arg2' => '('.$matchexp.') '.$dt_i->format('M Y')
535                 );
536
537                 $tests[]  = $test;
538                 $matchexp = '';
539             }
540             else {
541                 $matchexp .= '|';
542             }
543
544             $dt_i->add($interval);
545         }
546
547         return $tests;
548     }
549
550     public static function parse_regexp_tests($tests)
551     {
552         $rx_from = '/^\(([0-9]{2}).*\)\s([A-Za-z]+)\s([0-9]{4})/';
553         $rx_to   = '/^\(.*([0-9]{2})\)\s([A-Za-z]+)\s([0-9]{4})/';
554         $result  = array();
555
556         foreach ((array) $tests as $test) {
557             if ($test['test'] == 'header' && $test['type'] == 'regex' && $test['arg1'] == 'received') {
558                 $textexp = preg_replace('/\[ ([^\]]*)\]/', '0', $test['arg2']);
559
560                 if (!$result['from'] && preg_match($rx_from, $textexp, $matches)) {
561                     $result['from'] = $matches[1]." ".$matches[2]." ".$matches[3];
562                 }
563
564                 if (preg_match($rx_to, $textexp, $matches)) {
565                     $result['to'] = $matches[1]." ".$matches[2]." ".$matches[3];
566                 }
567             }
568         }
569
570         return $result;
571     }
613f96 572
AM 573     /**
fa8577 574      * Get current vacation interval
AM 575      */
576     public static function vacation_interval(&$vacation)
577     {
578         $rcube = rcube::get_instance();
579
580         if (isset($vacation['seconds'])) {
581             $interval = $vacation['seconds'];
582         }
583         else if (isset($vacation['days'])) {
584             $interval = $vacation['days'];
585         }
586         else if ($interval_cfg = $rcube->config->get('managesieve_vacation_interval')) {
587             if (preg_match('/^([0-9]+)s$/', $interval_cfg, $m)) {
588                 if ($seconds_extension) {
589                     $vacation['seconds'] = ($interval = intval($m[1])) ? $interval : null;
590                 }
591                 else {
592                     $vacation['days'] = $interval = ceil(intval($m[1])/86400);
593                 }
594             }
595             else {
596                 $vacation['days'] = $interval = intval($interval_cfg);
597             }
598         }
599
9f1f75 600         return $interval ?: '';
fa8577 601     }
AM 602
603     /**
dc9cc7 604      * Saves vacation script (adding some variables)
AM 605      */
606     protected function save_vacation_script($rule)
607     {
608         // if script does not exist create a new one
04009e 609         if ($this->script_name === null || $this->script_name === false) {
dc9cc7 610             $this->script_name = $this->rc->config->get('managesieve_script_name');
AM 611             if (empty($this->script_name)) {
612                 $this->script_name = 'roundcube';
613             }
614
3e0ad2 615             // use default script contents
AM 616             if (!$this->rc->config->get('managesieve_kolab_master')) {
617                 $script_file = $this->rc->config->get('managesieve_default');
618                 if ($script_file && is_readable($script_file)) {
619                     $content = file_get_contents($script_file);
620                 }
621             }
622
623             // create and load script
624             if ($this->sieve->save_script($this->script_name, $content)) {
625                 $this->sieve->load($this->script_name);
626             }
dc9cc7 627         }
AM 628
3e0ad2 629         $script_active = in_array($this->script_name, $this->active);
dc9cc7 630
3e0ad2 631         // re-order rules if needed
AM 632         if (isset($rule['after']) && $rule['after'] !== '') {
633             // reset original vacation rule
634             if (isset($this->vacation['idx'])) {
635                 $this->script[$this->vacation['idx']] = null;
dc9cc7 636             }
3e0ad2 637
AM 638             // add at target position
639             if ($rule['after'] >= count($this->script) - 1) {
640                 $this->script[] = $rule;
dc9cc7 641             }
AM 642             else {
3e0ad2 643                 $script = array();
dc9cc7 644
AM 645                 foreach ($this->script as $idx => $r) {
3e0ad2 646                     if ($r) {
AM 647                         $script[] = $r;
648                     }
649
650                     if ($idx == $rule['after']) {
651                         $script[] = $rule;
dc9cc7 652                     }
AM 653                 }
3e0ad2 654
AM 655                 $this->script = $script;
dc9cc7 656             }
3e0ad2 657
AM 658             $this->script = array_values(array_filter($this->script));
659         }
660         // update original vacation rule if it exists
661         else if (isset($this->vacation['idx'])) {
662             $this->script[$this->vacation['idx']] = $rule;
663         }
664         // otherwise put vacation rule on top
665         else {
666             array_unshift($this->script, $rule);
667         }
668
669         // if the script was not active, we need to de-activate
670         // all rules except the vacation rule, but only if it is not disabled
671         if (!$script_active && !$rule['disabled']) {
672             foreach ($this->script as $idx => $r) {
673                 if (empty($r['actions']) || $r['actions'][0]['type'] != 'vacation') {
674                     $this->script[$idx]['disabled'] = true;
675                 }
676             }
677         }
678
679         if (!$this->sieve->script) {
680             return false;
dc9cc7 681         }
AM 682
683         $this->sieve->script->content = $this->script;
684
685         // save the script
686         $saved = $this->save_script($this->script_name);
687
688         // activate the script
689         if ($saved && !$script_active && !$rule['disabled']) {
690             $this->activate_script($this->script_name);
691         }
692
693         return $saved;
694     }
695
696     /**
613f96 697      * API: get vacation rule
AM 698      *
699      * @return array Vacation rule information
700      */
701     public function get_vacation()
702     {
703         $this->exts = $this->sieve->get_extensions();
704         $this->init_script();
705         $this->vacation_rule();
706
707         // check supported extensions
708         $date_extension    = in_array('date', $this->exts);
709         $regex_extension   = in_array('regex', $this->exts);
710         $seconds_extension = in_array('vacation-seconds', $this->exts);
711
712         // set user's timezone
713         try {
714             $timezone = new DateTimeZone($this->rc->config->get('timezone', 'GMT'));
715         }
716         catch (Exception $e) {
717             $timezone = new DateTimeZone('GMT');
718         }
719
720         if ($date_extension) {
721             $date_value = array();
722             foreach ((array) $this->vacation['tests'] as $test) {
723                 if ($test['test'] == 'currentdate') {
724                     $idx = $test['type'] == 'value-ge' ? 'start' : 'end';
725
726                     if ($test['part'] == 'date') {
727                         $date_value[$idx]['date'] = $test['arg'];
728                     }
729                     else if ($test['part'] == 'iso8601') {
730                         $date_value[$idx]['datetime'] = $test['arg'];
731                     }
732                 }
733             }
734
735             foreach ($date_value as $idx => $value) {
736                 $$idx = new DateTime($value['datetime'] ?: $value['date'], $timezone);
737             }
738         }
739         else if ($regex_extension) {
740             // Sieve 'date' extension not available, read start/end from RegEx based rules instead
741             if ($date_tests = self::parse_regexp_tests($this->vacation['tests'])) {
742                 $from = new DateTime($date_tests['from'] . ' ' . '00:00:00', $timezone);
743                 $to   = new DateTime($date_tests['to'] . ' ' . '23:59:59', $timezone);
744             }
745         }
746
747         if (isset($this->vacation['seconds'])) {
748             $interval = $this->vacation['seconds'] . 's';
749         }
750         else if (isset($this->vacation['days'])) {
751             $interval = $this->vacation['days'] . 'd';
752         }
753
754         $vacation = array(
755             'supported' => $this->exts,
756             'interval'  => $interval,
757             'start'     => $start,
758             'end'       => $end,
759             'enabled'   => $this->vacation['reason'] && empty($this->vacation['disabled']),
760             'message'   => $this->vacation['reason'],
761             'subject'   => $this->vacation['subject'],
762             'action'    => $this->vacation['action'],
763             'target'    => $this->vacation['target'],
764             'addresses' => $this->vacation['addresses'],
162bc8 765             'from'      => $this->vacation['from'],
613f96 766         );
AM 767
768         return $vacation;
769     }
770
771     /**
772      * API: set vacation rule
773      *
774      * @param array $vacation Vacation rule information (see self::get_vacation())
775      *
776      * @return bool True on success, False on failure
777      */
778     public function set_vacation($data)
779     {
780         $this->exts  = $this->sieve->get_extensions();
781         $this->error = false;
782
783         $this->init_script();
784         $this->vacation_rule();
785
786         // check supported extensions
787         $date_extension    = in_array('date', $this->exts);
788         $regex_extension   = in_array('regex', $this->exts);
789         $seconds_extension = in_array('vacation-seconds', $this->exts);
790
791         $vacation['type']      = 'vacation';
792         $vacation['reason']    = $this->strip_value(str_replace("\r\n", "\n", $data['message']));
793         $vacation['addresses'] = $data['addresses'];
162bc8 794         $vacation['subject']   = trim($data['subject']);
AM 795         $vacation['from']      = trim($data['from']);
613f96 796         $vacation_tests        = (array) $this->vacation['tests'];
AM 797
798         foreach ((array) $vacation['addresses'] as $aidx => $address) {
799             $vacation['addresses'][$aidx] = $address = trim($address);
800
801             if (empty($address)) {
802                 unset($vacation['addresses'][$aidx]);
803             }
804             else if (!rcube_utils::check_email($address)) {
805                 $this->error = "Invalid address in vacation addresses: $address";
806                 return false;
807             }
808         }
809
162bc8 810         if (!empty($vacation['from']) && !rcube_utils::check_email($vacation['from'])) {
AM 811             $this->error = "Invalid address in 'from': " . $vacation['from'];
812             return false;
813         }
814
613f96 815         if ($vacation['reason'] == '') {
AM 816             $this->error = "No vacation message specified";
817             return false;
818         }
819
820         if ($data['interval']) {
821             if (!preg_match('/^([0-9]+)\s*([sd])$/', $data['interval'], $m)) {
822                 $this->error = "Invalid vacation interval value: " . $data['interval'];
823                 return false;
824             }
825             else if ($m[1]) {
826                 $vacation[strtolower($m[2]) == 's' ? 'seconds' : 'days'] = $m[1];
827             }
828         }
829
830         // find and remove existing date/regex/true rules
831         foreach ((array) $vacation_tests as $idx => $t) {
832             if ($t['test'] == 'currentdate' || $t['test'] == 'true'
833                 || ($t['test'] == 'header' && $t['type'] == 'regex' && $t['arg1'] == 'received')
834             ) {
835                 unset($vacation_tests[$idx]);
836             }
837         }
838
839         if ($date_extension) {
840             foreach (array('start', 'end') as $var) {
841                 if ($dt = $data[$var]) {
842                     $vacation_tests[] = array(
843                         'test' => 'currentdate',
844                         'part' => 'iso8601',
845                         'type' => 'value-' . ($var == 'start' ? 'ge' : 'le'),
846                         'zone' => $dt->format('O'),
847                         'arg'  => str_replace('+00:00', 'Z', strtoupper($dt->format('c'))),
848                     );
849                 }
850             }
851         }
852         else if ($regex_extension) {
853             // Add date range rules if range specified
854             if ($data['start'] && $data['end']) {
855                 if ($tests = self::build_regexp_tests($data['start'], $data['end'], $error)) {
856                     $vacation_tests = array_merge($vacation_tests, $tests);
857                 }
858
859                 if ($error) {
860                     $this->error = "Invalid dates specified or unsupported period length";
861                     return false;
862                 }
863             }
864         }
865
866         if ($data['action'] == 'redirect' || $data['action'] == 'copy') {
867             if (empty($data['target']) || !rcube_utils::check_email($data['target'])) {
868                 $this->error = "Invalid address in action taget: " . $data['target'];
869                 return false;
870             }
871         }
872         else if ($data['action'] && $data['action'] != 'keep' && $data['action'] != 'discard') {
873             $this->error = "Unsupported vacation action: " . $data['action'];
874             return false;
875         }
876
877         if (empty($vacation_tests)) {
878             $vacation_tests = $this->rc->config->get('managesieve_vacation_test', array(array('test' => 'true')));
879         }
880
881         $rule             = $this->vacation;
882         $rule['type']     = 'if';
883         $rule['name']     = $rule['name'] ?: 'Out-of-Office';
884         $rule['disabled'] = isset($data['enabled']) && !$data['enabled'];
885         $rule['tests']    = $vacation_tests;
886         $rule['join']     = $date_extension ? count($vacation_tests) > 1 : false;
887         $rule['actions']  = array($vacation);
888
889         if ($data['action'] && $data['action'] != 'keep') {
890             $rule['actions'][] = array(
891                 'type'   => $data['action'] == 'discard' ? 'discard' : 'redirect',
892                 'copy'   => $data['action'] == 'copy',
893                 'target' => $data['action'] != 'discard' ? $data['target'] : '',
894             );
895         }
896
dc9cc7 897         return $this->save_vacation_script($rule);
613f96 898     }
AM 899
900     /**
901      * API: connect to managesieve server
902      */
903     public function connect($username, $password)
904     {
905         if (!parent::connect($username, $password)) {
906             return $this->load_script();
907         }
908     }
909
910     /**
911      * API: Returns last error
912      *
913      * @return string Error message
914      */
915     public function get_error()
916     {
917         return $this->error;
918     }
50a57e 919 }