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comparison plugins/enigma/lib/enigma_ui.php @ 0:1e000243b222

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:50:29 -0500
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-1:000000000000 0:1e000243b222
1 <?php
2
3 /**
4 +-------------------------------------------------------------------------+
5 | User Interface for the Enigma Plugin |
6 | |
7 | Copyright (C) 2010-2015 The Roundcube Dev Team |
8 | |
9 | Licensed under the GNU General Public License version 3 or |
10 | any later version with exceptions for skins & plugins. |
11 | See the README file for a full license statement. |
12 | |
13 +-------------------------------------------------------------------------+
14 | Author: Aleksander Machniak <alec@alec.pl> |
15 +-------------------------------------------------------------------------+
16 */
17
18 class enigma_ui
19 {
20 private $rc;
21 private $enigma;
22 private $home;
23 private $css_loaded;
24 private $js_loaded;
25 private $data;
26 private $keys_parts = array();
27 private $keys_bodies = array();
28
29
30 function __construct($enigma_plugin, $home='')
31 {
32 $this->enigma = $enigma_plugin;
33 $this->rc = $enigma_plugin->rc;
34 $this->home = $home; // we cannot use $enigma_plugin->home here
35 }
36
37 /**
38 * UI initialization and requests handlers.
39 *
40 * @param string Preferences section
41 */
42 function init()
43 {
44 $this->add_js();
45
46 $action = rcube_utils::get_input_value('_a', rcube_utils::INPUT_GPC);
47
48 if ($this->rc->action == 'plugin.enigmakeys') {
49 switch ($action) {
50 case 'delete':
51 $this->key_delete();
52 break;
53 /*
54 case 'edit':
55 $this->key_edit();
56 break;
57 */
58 case 'import':
59 $this->key_import();
60 break;
61
62 case 'export':
63 $this->key_export();
64 break;
65
66 case 'generate':
67 $this->key_generate();
68 break;
69
70 case 'create':
71 $this->key_create();
72 break;
73
74 case 'search':
75 case 'list':
76 $this->key_list();
77 break;
78
79 case 'info':
80 $this->key_info();
81 break;
82 }
83
84 $this->rc->output->add_handlers(array(
85 'keyslist' => array($this, 'tpl_keys_list'),
86 'keyframe' => array($this, 'tpl_key_frame'),
87 'countdisplay' => array($this, 'tpl_keys_rowcount'),
88 'searchform' => array($this->rc->output, 'search_form'),
89 ));
90
91 $this->rc->output->set_pagetitle($this->enigma->gettext('enigmakeys'));
92 $this->rc->output->send('enigma.keys');
93 }
94 /*
95 // Preferences UI
96 else if ($this->rc->action == 'plugin.enigmacerts') {
97 $this->rc->output->add_handlers(array(
98 'keyslist' => array($this, 'tpl_certs_list'),
99 'keyframe' => array($this, 'tpl_cert_frame'),
100 'countdisplay' => array($this, 'tpl_certs_rowcount'),
101 'searchform' => array($this->rc->output, 'search_form'),
102 ));
103
104 $this->rc->output->set_pagetitle($this->enigma->gettext('enigmacerts'));
105 $this->rc->output->send('enigma.certs');
106 }
107 */
108 // Message composing UI
109 else if ($this->rc->action == 'compose') {
110 $this->compose_ui();
111 }
112 }
113
114 /**
115 * Adds CSS style file to the page header.
116 */
117 function add_css()
118 {
119 if ($this->css_loaded) {
120 return;
121 }
122
123 $skin_path = $this->enigma->local_skin_path();
124 $this->enigma->include_stylesheet("$skin_path/enigma.css");
125 $this->css_loaded = true;
126 }
127
128 /**
129 * Adds javascript file to the page header.
130 */
131 function add_js()
132 {
133 if ($this->js_loaded) {
134 return;
135 }
136
137 $this->enigma->include_script('enigma.js');
138
139 $this->js_loaded = true;
140 }
141
142 /**
143 * Initializes key password prompt
144 *
145 * @param enigma_error $status Error object with key info
146 * @param array $params Optional prompt parameters
147 */
148 function password_prompt($status, $params = array())
149 {
150 $data = $status->getData('missing');
151
152 if (empty($data)) {
153 $data = $status->getData('bad');
154 }
155
156 $keyid = key($data);
157 $data = array(
158 'keyid' => $params['keyid'] ?: $keyid,
159 'user' => $data[$keyid]
160 );
161
162 // With GnuPG 2.1 user name may not be specified (e.g. on private
163 // key export), we'll get the key information and set the name appropriately
164 if ($keyid && $params['keyid'] && strpos($data['user'], $keyid) !== false) {
165 $key = $this->enigma->engine->get_key($params['keyid']);
166 if ($key && $key->name) {
167 $data['user'] = $key->name;
168 }
169 }
170
171 if (!empty($params)) {
172 $data = array_merge($params, $data);
173 }
174
175 if (preg_match('/^(send|plugin.enigmaimport|plugin.enigmakeys)$/', $this->rc->action)) {
176 $this->rc->output->command('enigma_password_request', $data);
177 }
178 else {
179 $this->rc->output->set_env('enigma_password_request', $data);
180 }
181
182 // add some labels to client
183 $this->rc->output->add_label('enigma.enterkeypasstitle', 'enigma.enterkeypass',
184 'save', 'cancel');
185
186 $this->add_css();
187 $this->add_js();
188 }
189
190 /**
191 * Template object for key info/edit frame.
192 *
193 * @param array Object attributes
194 *
195 * @return string HTML output
196 */
197 function tpl_key_frame($attrib)
198 {
199 return $this->rc->output->frame($attrib, true);
200 }
201
202 /**
203 * Template object for list of keys.
204 *
205 * @param array Object attributes
206 *
207 * @return string HTML content
208 */
209 function tpl_keys_list($attrib)
210 {
211 // add id to message list table if not specified
212 if (!strlen($attrib['id'])) {
213 $attrib['id'] = 'rcmenigmakeyslist';
214 }
215
216 // define list of cols to be displayed
217 $a_show_cols = array('name');
218
219 // create XHTML table
220 $out = $this->rc->table_output($attrib, array(), $a_show_cols, 'id');
221
222 // set client env
223 $this->rc->output->add_gui_object('keyslist', $attrib['id']);
224 $this->rc->output->include_script('list.js');
225
226 // add some labels to client
227 $this->rc->output->add_label('enigma.keyremoveconfirm', 'enigma.keyremoving',
228 'enigma.keyexportprompt', 'enigma.withprivkeys', 'enigma.onlypubkeys', 'enigma.exportkeys'
229 );
230
231 return $out;
232 }
233
234 /**
235 * Key listing (and searching) request handler
236 */
237 private function key_list()
238 {
239 $this->enigma->load_engine();
240
241 $pagesize = $this->rc->config->get('pagesize', 100);
242 $page = max(intval(rcube_utils::get_input_value('_p', rcube_utils::INPUT_GPC)), 1);
243 $search = rcube_utils::get_input_value('_q', rcube_utils::INPUT_GPC);
244
245 // Get the list
246 $list = $this->enigma->engine->list_keys($search);
247
248 if ($list && ($list instanceof enigma_error))
249 $this->rc->output->show_message('enigma.keylisterror', 'error');
250 else if (empty($list))
251 $this->rc->output->show_message('enigma.nokeysfound', 'notice');
252 else if (is_array($list)) {
253 // Save the size
254 $listsize = count($list);
255
256 // Sort the list by key (user) name
257 usort($list, array('enigma_key', 'cmp'));
258
259 // Slice current page
260 $list = array_slice($list, ($page - 1) * $pagesize, $pagesize);
261 $size = count($list);
262
263 // Add rows
264 foreach ($list as $key) {
265 $this->rc->output->command('enigma_add_list_row', array(
266 'name' => rcube::Q($key->name),
267 'id' => $key->id,
268 'flags' => $key->is_private() ? 'p' : ''
269 ));
270 }
271 }
272
273 $this->rc->output->set_env('rowcount', $size);
274 $this->rc->output->set_env('search_request', $search);
275 $this->rc->output->set_env('pagecount', ceil($listsize/$pagesize));
276 $this->rc->output->set_env('current_page', $page);
277 $this->rc->output->command('set_rowcount',
278 $this->get_rowcount_text($listsize, $size, $page));
279
280 $this->rc->output->send();
281 }
282
283 /**
284 * Template object for list records counter.
285 *
286 * @param array Object attributes
287 *
288 * @return string HTML output
289 */
290 function tpl_keys_rowcount($attrib)
291 {
292 if (!$attrib['id'])
293 $attrib['id'] = 'rcmcountdisplay';
294
295 $this->rc->output->add_gui_object('countdisplay', $attrib['id']);
296
297 return html::span($attrib, $this->get_rowcount_text());
298 }
299
300 /**
301 * Returns text representation of list records counter
302 */
303 private function get_rowcount_text($all=0, $curr_count=0, $page=1)
304 {
305 if (!$curr_count) {
306 $out = $this->enigma->gettext('nokeysfound');
307 }
308 else {
309 $pagesize = $this->rc->config->get('pagesize', 100);
310 $first = ($page - 1) * $pagesize;
311
312 $out = $this->enigma->gettext(array(
313 'name' => 'keysfromto',
314 'vars' => array(
315 'from' => $first + 1,
316 'to' => $first + $curr_count,
317 'count' => $all)
318 ));
319 }
320
321 return $out;
322 }
323
324 /**
325 * Key information page handler
326 */
327 private function key_info()
328 {
329 $this->enigma->load_engine();
330
331 $id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GET);
332 $res = $this->enigma->engine->get_key($id);
333
334 if ($res instanceof enigma_key) {
335 $this->data = $res;
336 }
337 else { // error
338 $this->rc->output->show_message('enigma.keyopenerror', 'error');
339 $this->rc->output->command('parent.enigma_loadframe');
340 $this->rc->output->send('iframe');
341 }
342
343 $this->rc->output->add_handlers(array(
344 'keyname' => array($this, 'tpl_key_name'),
345 'keydata' => array($this, 'tpl_key_data'),
346 ));
347
348 $this->rc->output->set_pagetitle($this->enigma->gettext('keyinfo'));
349 $this->rc->output->send('enigma.keyinfo');
350 }
351
352 /**
353 * Template object for key name
354 */
355 function tpl_key_name($attrib)
356 {
357 return rcube::Q($this->data->name);
358 }
359
360 /**
361 * Template object for key information page content
362 */
363 function tpl_key_data($attrib)
364 {
365 $out = '';
366 $table = new html_table(array('cols' => 2));
367
368 // Key user ID
369 $table->add('title', $this->enigma->gettext('keyuserid'));
370 $table->add(null, rcube::Q($this->data->name));
371
372 // Key ID
373 $table->add('title', $this->enigma->gettext('keyid'));
374 $table->add(null, $this->data->subkeys[0]->get_short_id());
375
376 // Key type
377 $keytype = $this->data->get_type();
378 if ($keytype == enigma_key::TYPE_KEYPAIR) {
379 $type = $this->enigma->gettext('typekeypair');
380 }
381 else if ($keytype == enigma_key::TYPE_PUBLIC) {
382 $type = $this->enigma->gettext('typepublickey');
383 }
384 $table->add('title', $this->enigma->gettext('keytype'));
385 $table->add(null, $type);
386
387 // Key fingerprint
388 $table->add('title', $this->enigma->gettext('fingerprint'));
389 $table->add(null, $this->data->subkeys[0]->get_fingerprint());
390
391 $out .= html::tag('fieldset', null,
392 html::tag('legend', null,
393 $this->enigma->gettext('basicinfo')) . $table->show($attrib));
394
395 // Subkeys
396 $table = new html_table(array('cols' => 5, 'id' => 'enigmasubkeytable', 'class' => 'records-table'));
397
398 $table->add_header('id', $this->enigma->gettext('subkeyid'));
399 $table->add_header('algo', $this->enigma->gettext('subkeyalgo'));
400 $table->add_header('created', $this->enigma->gettext('subkeycreated'));
401 $table->add_header('expires', $this->enigma->gettext('subkeyexpires'));
402 $table->add_header('usage', $this->enigma->gettext('subkeyusage'));
403
404 $now = time();
405 $date_format = $this->rc->config->get('date_format', 'Y-m-d');
406 $usage_map = array(
407 enigma_key::CAN_ENCRYPT => $this->enigma->gettext('typeencrypt'),
408 enigma_key::CAN_SIGN => $this->enigma->gettext('typesign'),
409 enigma_key::CAN_CERTIFY => $this->enigma->gettext('typecert'),
410 enigma_key::CAN_AUTHENTICATE => $this->enigma->gettext('typeauth'),
411 );
412
413 foreach ($this->data->subkeys as $subkey) {
414 $algo = $subkey->get_algorithm();
415 if ($algo && $subkey->length) {
416 $algo .= ' (' . $subkey->length . ')';
417 }
418
419 $usage = array();
420 foreach ($usage_map as $key => $text) {
421 if ($subkey->usage & $key) {
422 $usage[] = $text;
423 }
424 }
425
426 $table->add('id', $subkey->get_short_id());
427 $table->add('algo', $algo);
428 $table->add('created', $subkey->created ? $this->rc->format_date($subkey->created, $date_format, false) : '');
429 $table->add('expires', $subkey->expires ? $this->rc->format_date($subkey->expires, $date_format, false) : $this->enigma->gettext('expiresnever'));
430 $table->add('usage', implode(',', $usage));
431 $table->set_row_attribs($subkey->revoked || ($subkey->expires && $subkey->expires < $now) ? 'deleted' : '');
432 }
433
434 $out .= html::tag('fieldset', null,
435 html::tag('legend', null,
436 $this->enigma->gettext('subkeys')) . $table->show());
437
438 // Additional user IDs
439 $table = new html_table(array('cols' => 2, 'id' => 'enigmausertable', 'class' => 'records-table'));
440
441 $table->add_header('id', $this->enigma->gettext('userid'));
442 $table->add_header('valid', $this->enigma->gettext('uservalid'));
443
444 foreach ($this->data->users as $user) {
445 $username = $user->name;
446 if ($user->comment) {
447 $username .= ' (' . $user->comment . ')';
448 }
449 $username .= ' <' . $user->email . '>';
450
451 $table->add('id', rcube::Q(trim($username)));
452 $table->add('valid', $this->enigma->gettext($user->valid ? 'valid' : 'unknown'));
453 $table->set_row_attribs($user->revoked || !$user->valid ? 'deleted' : '');
454 }
455
456 $out .= html::tag('fieldset', null,
457 html::tag('legend', null,
458 $this->enigma->gettext('userids')) . $table->show());
459
460 return $out;
461 }
462
463 /**
464 * Key(s) export handler
465 */
466 private function key_export()
467 {
468 $keys = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST);
469 $priv = rcube_utils::get_input_value('_priv', rcube_utils::INPUT_POST);
470 $engine = $this->enigma->load_engine();
471 $list = $keys == '*' ? $engine->list_keys() : explode(',', $keys);
472
473 if (is_array($list) && ($fp = fopen('php://memory', 'rw'))) {
474 $filename = 'export.pgp';
475 if (count($list) == 1) {
476 $filename = (is_object($list[0]) ? $list[0]->id : $list[0]) . '.pgp';
477 }
478
479 $status = null;
480 foreach ($list as $key) {
481 $keyid = is_object($key) ? $key->id : $key;
482 $status = $engine->export_key($keyid, $fp, (bool) $priv);
483
484 if ($status instanceof enigma_error) {
485 $code = $status->getCode();
486
487 if ($code == enigma_error::BADPASS) {
488 $this->password_prompt($status, array(
489 'input_keys' => $keys,
490 'input_priv' => 1,
491 'input_task' => 'settings',
492 'input_action' => 'plugin.enigmakeys',
493 'input_a' => 'export',
494 'action' => '?',
495 'iframe' => true,
496 'nolock' => true,
497 'keyid' => $keyid,
498 ));
499 fclose($fp);
500 $this->rc->output->send('iframe');
501 }
502 }
503 }
504
505 // send downlaod headers
506 header('Content-Type: application/pgp-keys');
507 header('Content-Disposition: attachment; filename="' . $filename . '"');
508
509 rewind($fp);
510 while (!feof($fp)) {
511 echo fread($fp, 1024 * 1024);
512 }
513 fclose($fp);
514 }
515
516 exit;
517 }
518
519 /**
520 * Key import (page) handler
521 */
522 private function key_import()
523 {
524 // Import process
525 if ($data = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST)) {
526 $this->enigma->load_engine();
527 $this->enigma->engine->password_handler();
528
529 $result = $this->enigma->engine->import_key($data);
530
531 if (is_array($result)) {
532 if (rcube_utils::get_input_value('_generated', rcube_utils::INPUT_POST)) {
533 $this->rc->output->command('enigma_key_create_success');
534 $this->rc->output->show_message('enigma.keygeneratesuccess', 'confirmation');
535 }
536 else {
537 $this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
538 array('new' => $result['imported'], 'old' => $result['unchanged']));
539
540 if ($result['imported'] && !empty($_POST['_refresh'])) {
541 $this->rc->output->command('enigma_list', 1, false);
542 }
543 }
544 }
545 else {
546 $this->rc->output->show_message('enigma.keysimportfailed', 'error');
547 }
548
549 $this->rc->output->send();
550 }
551 else if ($_FILES['_file']['tmp_name'] && is_uploaded_file($_FILES['_file']['tmp_name'])) {
552 $this->enigma->load_engine();
553 $result = $this->enigma->engine->import_key($_FILES['_file']['tmp_name'], true);
554
555 if (is_array($result)) {
556 // reload list if any keys has been added
557 if ($result['imported']) {
558 $this->rc->output->command('parent.enigma_list', 1);
559 }
560 else {
561 $this->rc->output->command('parent.enigma_loadframe');
562 }
563
564 $this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
565 array('new' => $result['imported'], 'old' => $result['unchanged']));
566 }
567 else if ($result instanceof enigma_error && $result->getCode() == enigma_error::BADPASS) {
568 $this->password_prompt($result);
569 }
570 else {
571 $this->rc->output->show_message('enigma.keysimportfailed', 'error');
572 }
573
574 $this->rc->output->send('iframe');
575 }
576 else if ($err = $_FILES['_file']['error']) {
577 if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
578 $this->rc->output->show_message('filesizeerror', 'error',
579 array('size' => $this->rc->show_bytes(rcube_utils::max_upload_size())));
580 } else {
581 $this->rc->output->show_message('fileuploaderror', 'error');
582 }
583
584 $this->rc->output->send('iframe');
585 }
586
587 $this->rc->output->add_handlers(array(
588 'importform' => array($this, 'tpl_key_import_form'),
589 ));
590
591 $this->rc->output->set_pagetitle($this->enigma->gettext('keyimport'));
592 $this->rc->output->send('enigma.keyimport');
593 }
594
595 /**
596 * Template object for key import (upload) form
597 */
598 function tpl_key_import_form($attrib)
599 {
600 $attrib += array('id' => 'rcmKeyImportForm');
601
602 $upload = new html_inputfield(array('type' => 'file', 'name' => '_file',
603 'id' => 'rcmimportfile', 'size' => 30));
604 $search = new html_inputfield(array('type' => 'text', 'name' => '_search',
605 'id' => 'rcmimportsearch', 'size' => 30));
606
607 $upload_button = new html_inputfield(array(
608 'type' => 'button',
609 'value' => $this->rc->gettext('import'),
610 'class' => 'button',
611 'onclick' => "return rcmail.command('plugin.enigma-import','',this,event)",
612 ));
613
614 $search_button = new html_inputfield(array(
615 'type' => 'button',
616 'value' => $this->rc->gettext('search'),
617 'class' => 'button',
618 'onclick' => "return rcmail.command('plugin.enigma-import-search','',this,event)",
619 ));
620
621 $upload_form = html::div(null,
622 rcube::Q($this->enigma->gettext('keyimporttext'), 'show')
623 . html::br() . html::br() . $upload->show()
624 . html::br() . html::br() . $upload_button->show()
625 );
626
627 $search_form = html::div(null,
628 rcube::Q($this->enigma->gettext('keyimportsearchtext'), 'show')
629 . html::br() . html::br() . $search->show()
630 . html::br() . html::br() . $search_button->show()
631 );
632
633 $form = html::tag('fieldset', '', html::tag('legend', null, $this->enigma->gettext('keyimportlabel')) . $upload_form)
634 . html::tag('fieldset', '', html::tag('legend', null, $this->enigma->gettext('keyimportsearchlabel')) . $search_form);
635
636 $this->rc->output->add_label('selectimportfile', 'importwait', 'nopubkeyfor', 'nopubkeyforsender',
637 'encryptnoattachments','encryptedsendialog','searchpubkeyservers', 'importpubkeys',
638 'encryptpubkeysfound', 'search', 'close', 'import', 'keyid', 'keylength', 'keyexpired',
639 'keyrevoked', 'keyimportsuccess', 'keyservererror');
640 $this->rc->output->add_gui_object('importform', $attrib['id']);
641 $this->rc->output->include_script('publickey.js');
642
643 $out = $this->rc->output->form_tag(array(
644 'action' => $this->rc->url(array('action' => $this->rc->action, 'a' => 'import')),
645 'method' => 'post',
646 'enctype' => 'multipart/form-data') + $attrib,
647 $form
648 );
649
650 return $out;
651 }
652
653 /**
654 * Server-side key pair generation handler
655 */
656 private function key_generate()
657 {
658 // Crypt_GPG does not support key generation for multiple identities
659 // It is also very slow (which is problematic because it may exceed
660 // request time limit) and requires entropy generator
661 // That's why we use only OpenPGP.js method of key generation
662 return;
663
664 $user = rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST, true);
665 $pass = rcube_utils::get_input_value('_password', rcube_utils::INPUT_POST, true);
666 $size = (int) rcube_utils::get_input_value('_size', rcube_utils::INPUT_POST);
667
668 if ($size > 4096) {
669 $size = 4096;
670 }
671
672 $ident = rcube_mime::decode_address_list($user, 1, false);
673
674 if (empty($ident)) {
675 $this->rc->output->show_message('enigma.keygenerateerror', 'error');
676 $this->rc->output->send();
677 }
678
679 $this->enigma->load_engine();
680 $result = $this->enigma->engine->generate_key(array(
681 'user' => $ident[1]['name'],
682 'email' => $ident[1]['mailto'],
683 'password' => $pass,
684 'size' => $size,
685 ));
686
687 if ($result instanceof enigma_key) {
688 $this->rc->output->command('enigma_key_create_success');
689 $this->rc->output->show_message('enigma.keygeneratesuccess', 'confirmation');
690 }
691 else {
692 $this->rc->output->show_message('enigma.keygenerateerror', 'error');
693 }
694
695 $this->rc->output->send();
696 }
697
698 /**
699 * Key generation page handler
700 */
701 private function key_create()
702 {
703 $this->enigma->include_script('openpgp.min.js');
704
705 $this->rc->output->add_handlers(array(
706 'keyform' => array($this, 'tpl_key_create_form'),
707 ));
708
709 $this->rc->output->set_pagetitle($this->enigma->gettext('keygenerate'));
710 $this->rc->output->send('enigma.keycreate');
711 }
712
713 /**
714 * Template object for key generation form
715 */
716 function tpl_key_create_form($attrib)
717 {
718 $attrib += array('id' => 'rcmKeyCreateForm');
719 $table = new html_table(array('cols' => 2));
720
721 // get user's identities
722 $identities = $this->rc->user->list_identities(null, true);
723 $checkbox = new html_checkbox(array('name' => 'identity[]'));
724 foreach ((array) $identities as $idx => $ident) {
725 $name = empty($ident['name']) ? ($ident['email']) : $ident['ident'];
726 $identities[$idx] = html::label(null, $checkbox->show($name, array('value' => $name)) . rcube::Q($name));
727 }
728
729 $table->add('title', html::label('key-name', rcube::Q($this->enigma->gettext('newkeyident'))));
730 $table->add(null, implode($identities, "\n"));
731
732 // Key size
733 $select = new html_select(array('name' => 'size', 'id' => 'key-size'));
734 $select->add($this->enigma->gettext('key2048'), '2048');
735 $select->add($this->enigma->gettext('key4096'), '4096');
736
737 $table->add('title', html::label('key-size', rcube::Q($this->enigma->gettext('newkeysize'))));
738 $table->add(null, $select->show());
739
740 // Password and confirm password
741 $table->add('title', html::label('key-pass', rcube::Q($this->enigma->gettext('newkeypass'))));
742 $table->add(null, rcube_output::get_edit_field('password', '',
743 array('id' => 'key-pass', 'size' => $attrib['size'], 'required' => true), 'password'));
744
745 $table->add('title', html::label('key-pass-confirm', rcube::Q($this->enigma->gettext('newkeypassconfirm'))));
746 $table->add(null, rcube_output::get_edit_field('password-confirm', '',
747 array('id' => 'key-pass-confirm', 'size' => $attrib['size'], 'required' => true), 'password'));
748
749 $this->rc->output->add_gui_object('keyform', $attrib['id']);
750 $this->rc->output->add_label('enigma.keygenerating', 'enigma.formerror',
751 'enigma.passwordsdiffer', 'enigma.keygenerateerror', 'enigma.noidentselected',
752 'enigma.keygennosupport');
753
754 return $this->rc->output->form_tag(array(), $table->show($attrib));
755 }
756
757 /**
758 * Key deleting
759 */
760 private function key_delete()
761 {
762 $keys = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST);
763 $engine = $this->enigma->load_engine();
764
765 foreach ((array)$keys as $key) {
766 $res = $engine->delete_key($key);
767
768 if ($res !== true) {
769 $this->rc->output->show_message('enigma.keyremoveerror', 'error');
770 $this->rc->output->command('enigma_list');
771 $this->rc->output->send();
772 }
773 }
774
775 $this->rc->output->command('enigma_list');
776 $this->rc->output->show_message('enigma.keyremovesuccess', 'confirmation');
777 $this->rc->output->send();
778 }
779
780 /**
781 * Init compose UI (add task button and the menu)
782 */
783 private function compose_ui()
784 {
785 $this->add_css();
786
787 // Options menu button
788 $this->enigma->add_button(array(
789 'type' => 'link',
790 'command' => 'plugin.enigma',
791 'onclick' => "rcmail.command('menu-open', 'enigmamenu', event.target, event)",
792 'class' => 'button enigma',
793 'title' => 'encryptionoptions',
794 'label' => 'encryption',
795 'domain' => $this->enigma->ID,
796 'width' => 32,
797 'height' => 32,
798 'aria-owns' => 'enigmamenu',
799 'aria-haspopup' => 'true',
800 'aria-expanded' => 'false',
801 ), 'toolbar');
802
803 $locks = (array) $this->rc->config->get('enigma_options_lock');
804 $menu = new html_table(array('cols' => 2));
805 $chbox = new html_checkbox(array('value' => 1));
806
807 $menu->add(null, html::label(array('for' => 'enigmasignopt'),
808 rcube::Q($this->enigma->gettext('signmsg'))));
809 $menu->add(null, $chbox->show($this->rc->config->get('enigma_sign_all') ? 1 : 0,
810 array(
811 'name' => '_enigma_sign',
812 'id' => 'enigmasignopt',
813 'disabled' => in_array('sign', $locks),
814 )));
815
816 $menu->add(null, html::label(array('for' => 'enigmaencryptopt'),
817 rcube::Q($this->enigma->gettext('encryptmsg'))));
818 $menu->add(null, $chbox->show($this->rc->config->get('enigma_encrypt_all') ? 1 : 0,
819 array(
820 'name' => '_enigma_encrypt',
821 'id' => 'enigmaencryptopt',
822 'disabled' => in_array('encrypt', $locks),
823 )));
824
825 $menu->add(null, html::label(array('for' => 'enigmaattachpubkeyopt'),
826 rcube::Q($this->enigma->gettext('attachpubkeymsg'))));
827 $menu->add(null, $chbox->show($this->rc->config->get('enigma_attach_pubkey') ? 1 : 0,
828 array(
829 'name' => '_enigma_attachpubkey',
830 'id' => 'enigmaattachpubkeyopt',
831 'disabled' => in_array('pubkey', $locks),
832 )));
833
834 $menu = html::div(array('id' => 'enigmamenu', 'class' => 'popupmenu'), $menu->show());
835
836 // Options menu contents
837 $this->rc->output->add_footer($menu);
838 }
839
840 /**
841 * Handler for message_body_prefix hook.
842 * Called for every displayed (content) part of the message.
843 * Adds infobox about signature verification and/or decryption
844 * status above the body.
845 *
846 * @param array Original parameters
847 *
848 * @return array Modified parameters
849 */
850 function status_message($p)
851 {
852 // skip: not a message part
853 if ($p['part'] instanceof rcube_message) {
854 return $p;
855 }
856
857 // skip: message has no signed/encoded content
858 if (!$this->enigma->engine) {
859 return $p;
860 }
861
862 $engine = $this->enigma->engine;
863 $part_id = $p['part']->mime_id;
864 $messages = array();
865
866 // Decryption status
867 if (($found = $this->find_part_id($part_id, $engine->decryptions)) !== null
868 && ($status = $engine->decryptions[$found])
869 ) {
870 $attach_scripts = true;
871
872 // show the message only once
873 unset($engine->decryptions[$found]);
874
875 // display status info
876 $attrib['id'] = 'enigma-message';
877
878 if ($status instanceof enigma_error) {
879 $attrib['class'] = 'enigmaerror';
880 $code = $status->getCode();
881
882 if ($code == enigma_error::KEYNOTFOUND) {
883 $msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($status->getData('id')),
884 $this->enigma->gettext('decryptnokey')));
885 }
886 else if ($code == enigma_error::BADPASS) {
887 $missing = $status->getData('missing');
888 $label = 'decrypt' . (!empty($missing) ? 'no' : 'bad') . 'pass';
889 $msg = rcube::Q($this->enigma->gettext($label));
890 $this->password_prompt($status);
891 }
892 else {
893 $msg = rcube::Q($this->enigma->gettext('decrypterror'));
894 }
895 }
896 else if ($status === enigma_engine::ENCRYPTED_PARTIALLY) {
897 $attrib['class'] = 'enigmawarning';
898 $msg = rcube::Q($this->enigma->gettext('decryptpartial'));
899 }
900 else {
901 $attrib['class'] = 'enigmanotice';
902 $msg = rcube::Q($this->enigma->gettext('decryptok'));
903 }
904
905 $attrib['msg'] = $msg;
906 $messages[] = $attrib;
907 }
908
909 // Signature verification status
910 if (($found = $this->find_part_id($part_id, $engine->signatures)) !== null
911 && ($sig = $engine->signatures[$found])
912 ) {
913 $attach_scripts = true;
914
915 // show the message only once
916 unset($engine->signatures[$found]);
917
918 // display status info
919 $attrib['id'] = 'enigma-message';
920
921 if ($sig instanceof enigma_signature) {
922 $sender = $sig->name ?: '';
923 if ($sig->email) {
924 $sender .= ' <' . $sig->email . '>';
925 }
926
927 if ($sig->valid === enigma_error::UNVERIFIED) {
928 $attrib['class'] = 'enigmawarning';
929 $msg = str_replace('$sender', $sender, $this->enigma->gettext('sigunverified'));
930 $msg = str_replace('$keyid', $sig->id, $msg);
931 $msg = rcube::Q($msg);
932 }
933 else if ($sig->valid) {
934 $attrib['class'] = $sig->partial ? 'enigmawarning' : 'enigmanotice';
935 $label = 'sigvalid' . ($sig->partial ? 'partial' : '');
936 $msg = rcube::Q(str_replace('$sender', $sender, $this->enigma->gettext($label)));
937 }
938 else {
939 $attrib['class'] = 'enigmawarning';
940 if ($sender) {
941 $msg = rcube::Q(str_replace('$sender', $sender, $this->enigma->gettext('siginvalid')));
942 }
943 else {
944 $msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($sig->id),
945 $this->enigma->gettext('signokey')));
946 }
947 }
948 }
949 else if ($sig && $sig->getCode() == enigma_error::KEYNOTFOUND) {
950 $attrib['class'] = 'enigmawarning';
951 $msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($sig->getData('id')),
952 $this->enigma->gettext('signokey')));
953 }
954 else {
955 $attrib['class'] = 'enigmaerror';
956 $msg = rcube::Q($this->enigma->gettext('sigerror'));
957 }
958 /*
959 $msg .= '&nbsp;' . html::a(array('href' => "#sigdetails",
960 'onclick' => rcmail_output::JS_OBJECT_NAME.".command('enigma-sig-details')"),
961 rcube::Q($this->enigma->gettext('showdetails')));
962 */
963 // test
964 // $msg .= '<br /><pre>'.$sig->body.'</pre>';
965
966 $attrib['msg'] = $msg;
967 $messages[] = $attrib;
968 }
969
970 if ($count = count($messages)) {
971 if ($count == 2 && $messages[0]['class'] == $messages[1]['class']) {
972 $p['prefix'] .= html::div($messages[0], $messages[0]['msg'] . ' ' . $messages[1]['msg']);
973 }
974 else {
975 foreach ($messages as $msg) {
976 $p['prefix'] .= html::div($msg, $msg['msg']);
977 }
978 }
979 }
980
981 if ($attach_scripts) {
982 // add css and js script
983 $this->add_css();
984 $this->add_js();
985 }
986
987 return $p;
988 }
989
990 /**
991 * Handler for message_load hook.
992 * Check message bodies and attachments for keys/certs.
993 */
994 function message_load($p)
995 {
996 $engine = $this->enigma->load_engine();
997
998 // handle keys/certs in attachments
999 foreach ((array) $p['object']->attachments as $attachment) {
1000 if ($engine->is_keys_part($attachment)) {
1001 $this->keys_parts[] = $attachment->mime_id;
1002 }
1003 }
1004
1005 // the same with message bodies
1006 foreach ((array) $p['object']->parts as $part) {
1007 if ($engine->is_keys_part($part)) {
1008 $this->keys_parts[] = $part->mime_id;
1009 $this->keys_bodies[] = $part->mime_id;
1010 }
1011 }
1012
1013 // @TODO: inline PGP keys
1014
1015 if ($this->keys_parts) {
1016 $this->enigma->add_texts('localization');
1017 }
1018
1019 return $p;
1020 }
1021
1022 /**
1023 * Handler for template_object_messagebody hook.
1024 * This callback function adds a box below the message content
1025 * if there is a key/cert attachment available
1026 */
1027 function message_output($p)
1028 {
1029 foreach ($this->keys_parts as $part) {
1030 // remove part's body
1031 if (in_array($part, $this->keys_bodies)) {
1032 $p['content'] = '';
1033 }
1034
1035 // add box below message body
1036 $p['content'] .= html::p(array('class' => 'enigmaattachment'),
1037 html::a(array(
1038 'href' => "#",
1039 'onclick' => "return ".rcmail_output::JS_OBJECT_NAME.".enigma_import_attachment('".rcube::JQ($part)."')",
1040 'title' => $this->enigma->gettext('keyattimport')),
1041 html::span(null, $this->enigma->gettext('keyattfound'))));
1042
1043 $attach_scripts = true;
1044 }
1045
1046 if ($attach_scripts) {
1047 // add css and js script
1048 $this->add_css();
1049 $this->add_js();
1050 }
1051
1052 return $p;
1053 }
1054
1055 /**
1056 * Handle message_ready hook (encryption/signing/attach public key)
1057 */
1058 function message_ready($p)
1059 {
1060 $savedraft = !empty($_POST['_draft']) && empty($_GET['_saveonly']);
1061 $sign_enable = (bool) rcube_utils::get_input_value('_enigma_sign', rcube_utils::INPUT_POST);
1062 $encrypt_enable = (bool) rcube_utils::get_input_value('_enigma_encrypt', rcube_utils::INPUT_POST);
1063 $pubkey_enable = (bool) rcube_utils::get_input_value('_enigma_attachpubkey', rcube_utils::INPUT_POST);
1064 $locks = (array) $this->rc->config->get('enigma_options_lock');
1065
1066 if (in_array('sign', $locks)) {
1067 $sign_enable = (bool) $this->rc->config->get('enigma_sign_all');
1068 }
1069 if (in_array('encrypt', $locks)) {
1070 $encrypt_enable = (bool) $this->rc->config->get('enigma_encrypt_all');
1071 }
1072 if (in_array('pubkey', $locks)) {
1073 $pubkey_enable = (bool) $this->rc->config->get('enigma_attach_pubkey');
1074 }
1075
1076 if (!$savedraft && $pubkey_enable) {
1077 $engine = $this->enigma->load_engine();
1078 $engine->attach_public_key($p['message']);
1079 }
1080
1081 if ($encrypt_enable) {
1082 $engine = $this->enigma->load_engine();
1083 $mode = !$savedraft && $sign_enable ? enigma_engine::ENCRYPT_MODE_SIGN : null;
1084 $status = $engine->encrypt_message($p['message'], $mode, $savedraft);
1085 $mode = 'encrypt';
1086 }
1087 else if (!$savedraft && $sign_enable) {
1088 $engine = $this->enigma->load_engine();
1089 $status = $engine->sign_message($p['message'], enigma_engine::SIGN_MODE_MIME);
1090 $mode = 'sign';
1091 }
1092
1093 if ($mode && ($status instanceof enigma_error)) {
1094 $code = $status->getCode();
1095
1096 if ($code == enigma_error::KEYNOTFOUND) {
1097 $vars = array('email' => $status->getData('missing'));
1098 $msg = 'enigma.' . $mode . 'nokey';
1099 }
1100 else if ($code == enigma_error::BADPASS) {
1101 $this->password_prompt($status);
1102 }
1103 else {
1104 $msg = 'enigma.' . $mode . 'error';
1105 }
1106
1107 if ($msg) {
1108 if ($vars && $vars['email']) {
1109 $this->rc->output->command('enigma_key_not_found', array(
1110 'email' => $vars['email'],
1111 'text' => $this->rc->gettext(array('name' => $msg, 'vars' => $vars)),
1112 'title' => $this->enigma->gettext('keynotfound'),
1113 'button' => $this->enigma->gettext('findkey'),
1114 ));
1115 }
1116 else {
1117 $this->rc->output->show_message($msg, 'error', $vars);
1118 }
1119 }
1120
1121 $this->rc->output->send('iframe');
1122 }
1123
1124 return $p;
1125 }
1126
1127 /**
1128 * Handler for message_compose_body hook
1129 * Display error when the message cannot be encrypted
1130 * and provide a way to try again with a password.
1131 */
1132 function message_compose($p)
1133 {
1134 $engine = $this->enigma->load_engine();
1135
1136 // skip: message has no signed/encoded content
1137 if (!$this->enigma->engine) {
1138 return $p;
1139 }
1140
1141 $engine = $this->enigma->engine;
1142 $locks = (array) $this->rc->config->get('enigma_options_lock');
1143
1144 // Decryption status
1145 foreach ($engine->decryptions as $status) {
1146 if ($status instanceof enigma_error) {
1147 $code = $status->getCode();
1148
1149 if ($code == enigma_error::KEYNOTFOUND) {
1150 $msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($status->getData('id')),
1151 $this->enigma->gettext('decryptnokey')));
1152 }
1153 else if ($code == enigma_error::BADPASS) {
1154 $this->password_prompt($status, array('compose-init' => true));
1155 return $p;
1156 }
1157 else {
1158 $msg = rcube::Q($this->enigma->gettext('decrypterror'));
1159 }
1160 }
1161 }
1162
1163 if ($msg) {
1164 $this->rc->output->show_message($msg, 'error');
1165 }
1166
1167 // Check sign/ecrypt options for signed/encrypted drafts
1168 if (!in_array('encrypt', $locks)) {
1169 $this->rc->output->set_env('enigma_force_encrypt', !empty($engine->decryptions));
1170 }
1171 if (!in_array('sign', $locks)) {
1172 $this->rc->output->set_env('enigma_force_sign', !empty($engine->signatures));
1173 }
1174
1175 return $p;
1176 }
1177
1178 /**
1179 * Handler for keys/certs import request action
1180 */
1181 function import_file()
1182 {
1183 $uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
1184 $mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
1185 $mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
1186 $storage = $this->rc->get_storage();
1187 $engine = $this->enigma->load_engine();
1188
1189 if ($uid && $mime_id) {
1190 // Note: we get the attachment body via rcube_message class
1191 // to support keys inside encrypted messages (#5285)
1192 $message = new rcube_message($uid, $mbox);
1193
1194 // Check if we don't need to ask for password again
1195 foreach ($engine->decryptions as $status) {
1196 if ($status instanceof enigma_error) {
1197 if ($status->getCode() == enigma_error::BADPASS) {
1198 $this->password_prompt($status, array(
1199 'input_uid' => $uid,
1200 'input_mbox' => $mbox,
1201 'input_part' => $mime_id,
1202 'input_task' => 'mail',
1203 'input_action' => 'plugin.enigmaimport',
1204 'action' => '?',
1205 'iframe' => true,
1206 ));
1207 $this->rc->output->send($this->rc->output->type == 'html' ? 'iframe' : null);
1208 return;
1209 }
1210 }
1211 }
1212
1213 if ($engine->is_keys_part($message->mime_parts[$mime_id])) {
1214 $part = $message->get_part_body($mime_id);
1215 }
1216 }
1217
1218 if ($part && is_array($result = $engine->import_key($part))) {
1219 $this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
1220 array('new' => $result['imported'], 'old' => $result['unchanged']));
1221 }
1222 else {
1223 $this->rc->output->show_message('enigma.keysimportfailed', 'error');
1224 }
1225
1226 $this->rc->output->send($this->rc->output->type == 'html' ? 'iframe' : null);
1227 }
1228
1229 /**
1230 * Check if the part or its parent exists in the array
1231 * of decryptions/signatures. Returns found ID.
1232 */
1233 private function find_part_id($part_id, $data)
1234 {
1235 $ids = explode('.', $part_id);
1236 $i = 0;
1237 $count = count($ids);
1238
1239 while ($i < $count && strlen($part = implode('.', array_slice($ids, 0, ++$i)))) {
1240 if (array_key_exists($part, $data)) {
1241 return $part;
1242 }
1243 }
1244 }
1245 }