summaryrefslogtreecommitdiff
path: root/lib/mail.php
blob: c948f83ca931432bdb09368af9b01ae2cd5ea66b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
<?php
/**
 * Laconica, the distributed open-source microblogging tool
 *
 * utilities for sending email
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Mail
 * @package   Laconica
 * @author    Evan Prodromou <evan@controlyourself.ca>
 * @author    Zach Copley <zach@controlyourself.ca>
 * @author    Robin Millette <millette@controlyourself.ca>
 * @author    Sarven Capadisli <csarven@controlyourself.ca>
 * @copyright 2008 Control Yourself, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://laconi.ca/
 */

if (!defined('LACONICA')) {
    exit(1);
}

require_once 'Mail.php';

/**
 * return the configured mail backend
 *
 * Uses the $config array to make a mail backend. Cached so it is safe to call
 * more than once.
 *
 * @return Mail backend
 */

function mail_backend()
{
    static $backend = null;

    if (!$backend) {
        $backend = Mail::factory(common_config('mail', 'backend'),
                                 (common_config('mail', 'params')) ?
                                 common_config('mail', 'params') :
                                 array());
        if (PEAR::isError($backend)) {
            common_server_error($backend->getMessage(), 500);
        }
    }
    return $backend;
}

/**
 * send an email to one or more recipients
 *
 * @param array  $recipients array of strings with email addresses of recipients
 * @param array  $headers    array mapping strings to strings for email headers
 * @param string $body       body of the email
 *
 * @return boolean success flag
 */

function mail_send($recipients, $headers, $body)
{
    // XXX: use Mail_Queue... maybe
    $backend = mail_backend();
    if (!isset($headers['Content-Type'])) {
        $headers['Content-Type'] = 'text/plain; charset=UTF-8';
    }
    assert($backend); // throws an error if it's bad
    $sent = $backend->send($recipients, $headers, $body);
    if (PEAR::isError($sent)) {
        common_log(LOG_ERR, 'Email error: ' . $sent->getMessage());
        return false;
    }
    return true;
}

/**
 * returns the configured mail domain
 *
 * Defaults to the server name.
 *
 * @return string mail domain, suitable for making email addresses.
 */

function mail_domain()
{
    $maildomain = common_config('mail', 'domain');
    if (!$maildomain) {
        $maildomain = common_config('site', 'server');
    }
    return $maildomain;
}

/**
 * returns a good address for sending email from this server
 *
 * Uses either the configured value or a faked-up value made
 * from the mail domain.
 *
 * @return string notify from address
 */

function mail_notify_from()
{
    $notifyfrom = common_config('mail', 'notifyfrom');

    if (!$notifyfrom) {

        $domain = mail_domain();

        $notifyfrom = common_config('site', 'name') .' <noreply@'.$domain.'>';
    }

    return $notifyfrom;
}

/**
 * sends email to a user
 *
 * @param User   &$user   user to send email to
 * @param string $subject subject of the email
 * @param string $body    body of the email
 * @param string $address optional specification of email address
 *
 * @return boolean success flag
 */

function mail_to_user(&$user, $subject, $body, $address=null)
{
    if (!$address) {
        $address = $user->email;
    }

    $recipients = $address;
    $profile    = $user->getProfile();

    $headers['From']    = mail_notify_from();
    $headers['To']      = $profile->getBestName() . ' <' . $address . '>';
    $headers['Subject'] = $subject;

    return mail_send($recipients, $headers, $body);
}

/**
 * Send an email to confirm a user's control of an email address
 *
 * @param User   $user     User claiming the email address
 * @param string $code     Confirmation code
 * @param string $nickname Nickname of user
 * @param string $address  email address to confirm
 *
 * @see common_confirmation_code()
 *
 * @return success flag
 */

function mail_confirm_address($user, $code, $nickname, $address)
{
    $subject = _('Email address confirmation');

    $body = sprintf(_("Hey, %s.\n\n".
                      "Someone just entered this email address on %s.\n\n" .
                      "If it was you, and you want to confirm your entry, ".
                      "use the URL below:\n\n\t%s\n\n" .
                      "If not, just ignore this message.\n\n".
                      "Thanks for your time, \n%s\n"),
                    $nickname, common_config('site', 'name'),
                    common_local_url('confirmaddress', array('code' => $code)),
                    common_config('site', 'name'));
    return mail_to_user($user, $subject, $body, $address);
}

/**
 * notify a user of subscription by another user
 *
 * This is just a wrapper around the profile-based version.
 *
 * @param User $listenee user who is being subscribed to
 * @param User $listener user who is subscribing
 *
 * @see mail_subscribe_notify_profile()
 *
 * @return void
 */

function mail_subscribe_notify($listenee, $listener)
{
    $other = $listener->getProfile();
    mail_subscribe_notify_profile($listenee, $other);
}

/**
 * notify a user of subscription by a profile (remote or local)
 *
 * This function checks to see if the listenee has an email
 * address and wants subscription notices.
 *
 * @param User    $listenee user who's being subscribed to
 * @param Profile $other    profile of person who's listening
 *
 * @return void
 */

function mail_subscribe_notify_profile($listenee, $other)
{
    if ($listenee->email && $listenee->emailnotifysub) {

        // use the recipient's localization
        common_init_locale($listenee->language);

        $profile = $listenee->getProfile();

        $name = $profile->getBestName();

        $long_name = ($other->fullname) ?
          ($other->fullname . ' (' . $other->nickname . ')') : $other->nickname;

        $recipients = $listenee->email;

        $headers['From']    = mail_notify_from();
        $headers['To']      = $name . ' <' . $listenee->email . '>';
        $headers['Subject'] = sprintf(_('%1$s is now listening to '.
                                        'your notices on %2$s.'),
                                      $other->getBestName(),
                                      common_config('site', 'name'));

        $body = sprintf(_('%1$s is now listening to your notices on %2$s.'."\n\n".
                          "\t".'%3$s'."\n\n".
                          '%4$s'.
                          '%5$s'.
                          '%6$s'.
                          "\n".'Faithfully yours,'."\n".'%7$s.'."\n\n".
                          "----\n".
                          "Change your email address or ".
                          "notification options at ".'%8$s' ."\n"),
                        $long_name,
                        common_config('site', 'name'),
                        $other->profileurl,
                        ($other->location) ?
                        sprintf(_("Location: %s\n"), $other->location) : '',
                        ($other->homepage) ?
                        sprintf(_("Homepage: %s\n"), $other->homepage) : '',
                        ($other->bio) ?
                        sprintf(_("Bio: %s\n\n"), $other->bio) : '',
                        common_config('site', 'name'),
                        common_local_url('emailsettings'));

        // reset localization
        common_init_locale();
        mail_send($recipients, $headers, $body);
    }
}

/**
 * notify a user of their new incoming email address
 *
 * User's email and incoming fields should already be updated.
 *
 * @param User $user user with the new address
 *
 * @return void
 */

function mail_new_incoming_notify($user)
{
    $profile = $user->getProfile();

    $name = $profile->getBestName();

    $headers['From']    = $user->incomingemail;
    $headers['To']      = $name . ' <' . $user->email . '>';
    $headers['Subject'] = sprintf(_('New email address for posting to %s'),
                                  common_config('site', 'name'));

    $body = sprintf(_("You have a new posting address on %1\$s.\n\n".
                      "Send email to %2\$s to post new messages.\n\n".
                      "More email instructions at %3\$s.\n\n".
                      "Faithfully yours,\n%4\$s"),
                    common_config('site', 'name'),
                    $user->incomingemail,
                    common_local_url('doc', array('title' => 'email')),
                    common_config('site', 'name'));

    mail_send($user->email, $headers, $body);
}

/**
 * generate a new address for incoming messages
 *
 * @todo check the database for uniqueness
 *
 * @return string new email address for incoming messages
 */

function mail_new_incoming_address()
{
    $prefix = common_confirmation_code(64);
    $suffix = mail_domain();
    return $prefix . '@' . $suffix;
}

/**
 * broadcast a notice to all subscribers with SMS notification on
 *
 * This function sends SMS messages to all users who have sms addresses;
 * have sms notification on; and have sms enabled for this particular
 * subscription.
 *
 * @param Notice $notice The notice to broadcast
 *
 * @return success flag
 */

function mail_broadcast_notice_sms($notice)
{
    // Now, get users subscribed to this profile

    $user = new User();

    $UT = common_config('db','type')=='pgsql'?'"user"':'user';
    $user->query('SELECT nickname, smsemail, incomingemail ' .
                 "FROM $UT JOIN subscription " .
                 "ON $UT.id = subscription.subscriber " .
                 'WHERE subscription.subscribed = ' . $notice->profile_id . ' ' .
                 'AND subscription.subscribed != subscription.subscriber ' .
                 "AND $UT.smsemail IS NOT null " .
                 "AND $UT.smsnotify = 1 " .
                 'AND subscription.sms = 1 ');

    while ($user->fetch()) {
        common_log(LOG_INFO,
                   'Sending notice ' . $notice->id . ' to ' . $user->smsemail,
                   __FILE__);
        $success = mail_send_sms_notice_address($notice,
                                                $user->smsemail,
                                                $user->incomingemail);
        if (!$success) {
            // XXX: Not sure, but I think that's the right thing to do
            common_log(LOG_WARNING,
                       'Sending notice ' . $notice->id . ' to ' .
                       $user->smsemail . ' FAILED, cancelling.',
                       __FILE__);
            return false;
        }
    }

    $user->free();
    unset($user);

    return true;
}

/**
 * send a notice to a user via SMS
 *
 * A convenience wrapper around mail_send_sms_notice_address()
 *
 * @param Notice $notice notice to send
 * @param User   $user   user to receive notice
 *
 * @see mail_send_sms_notice_address()
 *
 * @return boolean success flag
 */

function mail_send_sms_notice($notice, $user)
{
    return mail_send_sms_notice_address($notice,
                                        $user->smsemail,
                                        $user->incomingemail);
}

/**
 * send a notice to an SMS email address from a given address
 *
 * We use the user's incoming email address as the "From" address to make
 * replying to notices easier.
 *
 * @param Notice $notice        notice to send
 * @param string $smsemail      email address to send to
 * @param string $incomingemail email address to set as 'from'
 *
 * @return boolean success flag
 */

function mail_send_sms_notice_address($notice, $smsemail, $incomingemail)
{
    $to = $nickname . ' <' . $smsemail . '>';

    $other = $notice->getProfile();

    common_log(LOG_INFO, 'Sending notice ' . $notice->id .
               ' to ' . $smsemail, __FILE__);

    $headers = array();

    $headers['From']    = ($incomingemail) ? $incomingemail : mail_notify_from();
    $headers['To']      = $to;
    $headers['Subject'] = sprintf(_('%s status'),
                                  $other->getBestName());

    $body = $notice->content;

    return mail_send($smsemail, $headers, $body);
}

/**
 * send a message to confirm a claim for an SMS number
 *
 * @param string $code     confirmation code
 * @param string $nickname nickname of user claiming number
 * @param string $address  email address to send the confirmation to
 *
 * @see common_confirmation_code()
 *
 * @return void
 */

function mail_confirm_sms($code, $nickname, $address)
{
    $recipients = $address;

    $headers['From']    = mail_notify_from();
    $headers['To']      = $nickname . ' <' . $address . '>';
    $headers['Subject'] = _('SMS confirmation');

    // FIXME: I18N

    $body  = "$nickname: confirm you own this phone number with this code:";
    $body .= "\n\n";
    $body .= $code;
    $body .= "\n\n";

    mail_send($recipients, $headers, $body);
}

/**
 * send a mail message to notify a user of a 'nudge'
 *
 * @param User $from user nudging
 * @param User $to   user being nudged
 *
 * @return boolean success flag
 */

function mail_notify_nudge($from, $to)
{
    common_init_locale($to->language);
    $subject = sprintf(_('You\'ve been nudged by %s'), $from->nickname);

    $from_profile = $from->getProfile();

    $body = sprintf(_("%1\$s (%2\$s) is wondering what you are up to ".
                      "these days and is inviting you to post some news.\n\n".
                      "So let's hear from you :)\n\n".
                      "%3\$s\n\n".
                      "Don't reply to this email; it won't get to them.\n\n".
                      "With kind regards,\n".
                      "%4\$s\n"),
                    $from_profile->getBestName(),
                    $from->nickname,
                    common_local_url('all', array('nickname' => $to->nickname)),
                    common_config('site', 'name'));
    common_init_locale();
    return mail_to_user($to, $subject, $body);
}

/**
 * send a message to notify a user of a direct message (DM)
 *
 * This function checks to see if the recipient wants notification
 * of DMs and has a configured email address.
 *
 * @param Message $message message to notify about
 * @param User    $from    user sending message; default to sender
 * @param User    $to      user receiving message; default to recipient
 *
 * @return boolean success code
 */

function mail_notify_message($message, $from=null, $to=null)
{
    if (is_null($from)) {
        $from = User::staticGet('id', $message->from_profile);
    }

    if (is_null($to)) {
        $to = User::staticGet('id', $message->to_profile);
    }

    if (is_null($to->email) || !$to->emailnotifymsg) {
        return true;
    }

    common_init_locale($to->language);
    $subject = sprintf(_('New private message from %s'), $from->nickname);

    $from_profile = $from->getProfile();

    $body = sprintf(_("%1\$s (%2\$s) sent you a private message:\n\n".
                      "------------------------------------------------------\n".
                      "%3\$s\n".
                      "------------------------------------------------------\n\n".
                      "You can reply to their message here:\n\n".
                      "%4\$s\n\n".
                      "Don't reply to this email; it won't get to them.\n\n".
                      "With kind regards,\n".
                      "%5\$s\n"),
                    $from_profile->getBestName(),
                    $from->nickname,
                    $message->content,
                    common_local_url('newmessage', array('to' => $from->id)),
                    common_config('site', 'name'));

    common_init_locale();
    return mail_to_user($to, $subject, $body);
}

/**
 * notify a user that one of their notices has been chosen as a 'fave'
 *
 * Doesn't check that the user has an email address nor if they
 * want to receive notification of faves. Maybe this happens higher
 * up the stack...?
 *
 * @param User   $other  The user whose notice was faved
 * @param User   $user   The user who faved the notice
 * @param Notice $notice The notice that was faved
 *
 * @return void
 */

function mail_notify_fave($other, $user, $notice)
{
    $profile = $user->getProfile();

    $bestname = $profile->getBestName();

    common_init_locale($other->language);

    $subject = sprintf(_('%s added your notice as a favorite'), $bestname);

    $body = sprintf(_("%1\$s just added your notice from %2\$s".
                      " as one of their favorites.\n\n" .
                      "The URL of your notice is:\n\n" .
                      "%3\$s\n\n" .
                      "The text of your notice is:\n\n" .
                      "%4\$s\n\n" .
                      "You can see the list of %1\$s's favorites here:\n\n" .
                      "%5\$s\n\n" .
                      "Faithfully yours,\n" .
                      "%6\$s\n"),
                    $bestname,
                    common_exact_date($notice->created),
                    common_local_url('shownotice',
                                     array('notice' => $notice->id)),
                    $notice->content,
                    common_local_url('showfavorites',
                                     array('nickname' => $user->nickname)),
                    common_config('site', 'name'));

    common_init_locale();
    mail_to_user($other, $subject, $body);
}

/**
 * notify a user that they have received an "attn:" message AKA "@-reply"
 *
 * @param User   $user   The user who recevied the notice
 * @param Notice $notice The notice that was sent
 *
 * @return void
 */

function mail_notify_attn($user, $notice)
{
    if (!$user->email || !$user->emailnotifyattn) {
        return;
    }

    $sender = $notice->getProfile();

    $bestname = $sender->getBestName();

    common_init_locale($user->language);

    $subject = sprintf(_('%s sent a notice to your attention'), $bestname);

    $body = sprintf(_("%1\$s just sent a notice to your attention (an '@-reply') on %2\$s.\n\n".
                      "The notice is here:\n\n".
                      "\t%3\$s\n\n" .
                      "It reads:\n\n".
                      "\t%4\$s\n\n" .
                      "You can reply back here:\n\n".
                      "\t%5\$s\n\n" .
                      "The list of all @-replies for you here:\n\n" .
                      "%6\$s\n\n" .
                      "Faithfully yours,\n" .
                      "%2\$s\n\n" .
                      "P.S. You can turn off these email notifications here: %7\$s\n"),
                    $bestname,
                    common_config('site', 'name'),
                    common_local_url('shownotice',
                                     array('notice' => $notice->id)),
                    $notice->content,
                    common_local_url('newnotice',
                                     array('replyto' => $sender->nickname)),
                    common_local_url('replies',
                                     array('nickname' => $user->nickname)),
                    common_local_url('emailsettings'));

    common_init_locale();
    mail_to_user($user, $subject, $body);
}

/**
 * Send a mail message to notify a user that her Twitter bridge link
 * has stopped working, and therefore has been removed.  This can
 * happen when the user changes her Twitter password, or otherwise
 * revokes access.
 *
 * @param User $user   user whose Twitter bridge link has been removed
 *
 * @return boolean success flag
 */

function mail_twitter_bridge_removed($user)
{
    common_init_locale($user->language);

    $profile = $user->getProfile();

    $subject = sprintf(_('Your Twitter bridge has been disabled.'));

    $body = sprintf(_("Hi, %1\$s. We're sorry to inform you that your " .
        'link to Twitter has been disabled. Your Twitter credentials ' .
        'have either changed (did you recently change your Twitter ' .
        'password?) or you have otherwise revoked our access to your ' .
        "Twitter account.\n\n" .
        'You can re-enable your Twitter bridge by visiting your ' .
        "Twitter settings page:\n\n\t%2\$s\n\n" .
        "Regards,\n%3\$s\n"),
        $profile->getBestName(),
        common_local_url('twittersettings'),
        common_config('site', 'name'));

    common_init_locale();
    return mail_to_user($user, $subject, $body);
}