include/emails.inc.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2011 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 define('SUCCESS', 1);
  23 define('ERROR_INACTIVE_REDIRECTION', 2);
  24 define('ERROR_INVALID_EMAIL', 3);
  25 define('ERROR_LOOP_EMAIL', 4);
  26
  27 function add_to_list_alias(User $user, $local_part, $domain, $type = 'alias')
  28 {
  29     Platal::assert($user !== null);
  30
  31     XDB::execute('INSERT IGNORE INTO  email_virtual (email, domain, redirect, type)
  32                               SELECT  {?}, id, {?}, {?}
  33                                 FROM  email_virtual_domains
  34                                WHERE  name = {?}',
  35                  $local_part, $user->forlifeEmail(), $type, $domain);
  36 }
  37
  38 function delete_from_list_alias(User $user, $local_part, $domain, $type = 'alias')
  39 {
  40     Platal::assert($user !== null);
  41
  42     XDB::execute('DELETE  v
  43                     FROM  email_virtual         AS v
  44               INNER JOIN  email_virtual_domains AS m ON (v.domain = m.id)
  45               INNER JOIN  email_virtual_domains AS d ON (d.aliasing = m.id)
  46                    WHERE  v.email = {?} AND d.name = {?} AND v.redirect = {?} AND type = {?}',
  47                  $local_part, $domain, $user->forlifeEmail(), $type);
  48 }
  49
  50 function update_list_alias(User $user, $former_email, $local_part, $domain, $type = 'alias')
  51 {
  52     Platal::assert($user !== null);
  53
  54     XDB::execute('UPDATE  email_virtual         AS v
  55               INNER JOIN  email_virtual_domains AS d ON (v.domain = d.id)
  56                      SET  v.redirect = {?}
  57                    WHERE  v.redirect = {?} AND d.name = {?} AND v.email = {?} AND v.type = {?}',
  58                  $user->forlifeEmail(), $former_email, $domain, $local_part, $type);
  59 }
  60
  61 function list_alias_members($local_part, $domain)
  62 {
  63     $emails = XDB::fetchColumn('SELECT  DISTINCT(redirect)
  64                                   FROM  email_virtual         AS v
  65                             INNER JOIN  email_virtual_domains AS m ON (v.domain = m.id)
  66                             INNER JOIN  email_virtual_domains AS d ON (d.aliasing = m.id)
  67                                  WHERE  v.email = {?} AND d.name = {?} AND type = \'alias\'',
  68                                $local_part, $domain);
  69
  70     $members = array();
  71     foreach ($emails as $email) {
  72         $members[] = User::getSilent($email);
  73     }
  74
  75     return $members;
  76 }
  77
  78 function delete_list_alias($local_part, $domain)
  79 {
  80     XDB::execute('DELETE  v
  81                     FROM  email_virtual         AS v
  82               INNER JOIN  email_virtual_domains AS m ON (v.domain = m.id)
  83               INNER JOIN  email_virtual_domains AS d ON (d.aliasing = m.id)
  84                    WHERE  v.email = {?} AND d.name = {?} AND type = \'alias\'',
  85                  $local_part, $domain);
  86 }
  87
  88 function iterate_list_alias($domain)
  89 {
  90     return XDB::fetchColumn('SELECT  CONCAT(v.email, \'@\', m.name)
  91                                FROM  email_virtual         AS v
  92                          INNER JOIN  email_virtual_domains AS m ON (v.domain = m.id)
  93                               WHERE  m.name = {?} AND v.type = \'alias\'
  94                            GROUP BY  v.email',
  95                             $domain);
  96 }
  97
  98 function create_list($local_part, $domain)
  99 {
 100     global $globals;
 101
 102     $redirect = $domain . '_' . $local_part . '+';
 103     foreach(array('post', 'owner', 'admin', 'bounces', 'unsubscribe') as $suffix) {
 104         XDB::execute('INSERT IGNORE INTO  email_virtual (email, domain, redirect, type)
 105                                   SELECT  {?}, id, {?}, \'list\'
 106                                     FROM  email_virtual_domains
 107                                    WHERE  name = {?}',
 108                      ($suffix == 'post') ? $local_part : $local_part . '-' . $suffix,
 109                      $redirect . $suffix . '@' . $globals->lists->redirect_domain, $domain);
 110     }
 111 }
 112
 113 function delete_list($local_part, $domain)
 114 {
 115     global $globals;
 116
 117     $redirect = $domain . '_' . $local_part . '+';
 118     foreach(array('post', 'owner', 'admin', 'bounces', 'unsubscribe') as $suffix) {
 119         XDB::execute('DELETE  email_virtual
 120                        WHERE  redirect = {?} AND type = \'list\'',
 121                      $redirect . $suffix . '@' . $globals->lists->redirect_domain);
 122     }
 123 }
 124
 125 function list_exist($local_part, $domain)
 126 {
 127     return XDB::fetchOneCell('SELECT  COUNT(*)
 128                                 FROM  email_virtual         AS v
 129                           INNER JOIN  email_virtual_domains AS m ON (v.domain = m.id)
 130                           INNER JOIN  email_virtual_domains AS d ON (m.id = d.aliasing)
 131                                WHERE  v.email = {?} AND d.name = {?}',
 132                              $local_part, $domain);
 133 }
 134
 135 // function mark_broken_email() {{{1
 136 function mark_broken_email($email, $admin = false)
 137 {
 138     $email = valide_email($email);
 139     if (empty($email) || $email == '@') {
 140         return;
 141     }
 142
 143     $user = XDB::fetchOneAssoc('SELECT  r1.uid, r1.broken_level != 0 AS broken, a.hruid, COUNT(r2.uid) AS nb_mails, a.full_name, s.email AS alias
 144                                   FROM  email_redirect_account AS r1
 145                             INNER JOIN  accounts               AS a  ON (a.uid = r1.uid)
 146                             INNER JOIN  email_source_account   AS s  ON (a.uid = s.uid AND s.flags = \'bestalias\')
 147                              LEFT JOIN  email_redirect_account AS r2 ON (a.uid = r2.uid AND r1.redirect != r2.redirect AND
 148                                                                          r2.broken_level = 0 AND r2.flags = \'active\' AND
 149                                                                          (r2.type = \'smtp\' OR r2.type = \'googleapps\'))
 150                                  WHERE  r1.redirect = {?}
 151                               GROUP BY  r1.uid', $email);
 152
 153     if ($user) {
 154         // Mark address as broken.
 155         if (!$user['broken']) {
 156             XDB::execute('UPDATE  email_redirect_account
 157                              SET  broken_date = NOW(), last = NOW(), broken_level = 1
 158                            WHERE  redirect = {?}', $email);
 159         } elseif ($admin) {
 160             XDB::execute('UPDATE  email_redirect_account
 161                              SET  last = CURDATE(), broken_level = broken_level + 1
 162                            WHERE  redirect = {?} AND DATE_ADD(last, INTERVAL 14 DAY) < CURDATE()',
 163                          $email);
 164         } else {
 165             XDB::execute('UPDATE  email_redirect_account
 166                              SET  broken_level = 1
 167                            WHERE  redirect = {?} AND broken_level = 0', $email);
 168         }
 169     }
 170
 171     return $user;
 172 }
 173
 174 // function fix_bestalias() {{{1
 175 // Checks for an existing 'bestalias' among the the current user's aliases, and
 176 // eventually selects a new bestalias when required.
 177 function fix_bestalias(User $user)
 178 {
 179     $count = XDB::fetchOneCell('SELECT  COUNT(*)
 180                                   FROM  email_source_account
 181                                  WHERE  uid = {?} AND FIND_IN_SET(\'bestalias\', flags) AND expire IS NULL',
 182                                $user->id());
 183
 184     if ($count == 1) {
 185         return;
 186     } elseif ($count > 1) {
 187         // If too many bestaliases, delete the bestalias flag from all this
 188         // user's emails (this should never happen).
 189         XDB::execute("UPDATE  email_source_account
 190                          SET  flags = TRIM(BOTH ',' FROM REPLACE(CONCAT(',', flags, ','), ',bestalias,', ','))
 191                        WHERE  uid = {?}",
 192                      $user->id());
 193     }
 194
 195     // If no bestalias is selected, we choose the shortest email which is not
 196     // related to a usage name and contains a '.'.
 197     XDB::execute("UPDATE  email_source_account
 198                      SET  flags = CONCAT_WS(',', IF(flags = '', NULL, flags), 'bestalias')
 199                    WHERE  uid = {?} AND expire IS NULL
 200                 ORDER BY  NOT FIND_IN_SET('usage', flags), email LIKE '%.%', LENGTH(email)
 201                    LIMIT  1",
 202                  $user->id());
 203 }
 204
 205 // function valide_email() {{{1
 206 // Returns a cleaned-up version of the @p email string. It removes garbage
 207 // characters, and determines the canonical form (without _ and +) for
 208 // Polytechnique.org email addresses.
 209 function valide_email($str)
 210 {
 211     global $globals;
 212
 213     $em = trim(rtrim($str));
 214     $em = str_replace('<', '', $em);
 215     $em = str_replace('>', '', $em);
 216     if (strpos($em, '@') === false) {
 217         return;
 218     }
 219     list($ident, $dom) = explode('@', $em);
 220     if ($dom == $globals->mail->domain || $dom == $globals->mail->domain2) {
 221         list($ident1) = explode('_', $ident);
 222         list($ident) = explode('+', $ident1);
 223     }
 224     return $ident . '@' . $dom;
 225 }
 226
 227 // function isvalid_email_redirection() {{{1
 228 /** Checks if an email is a suitable redirection.
 229  * @param $email the email to check
 230  * @return BOOL
 231  */
 232 function isvalid_email_redirection($email)
 233 {
 234     return isvalid_email($email) &&
 235         !preg_match("/@(polytechnique\.(org|edu)|melix\.(org|net)|m4x\.org)$/", $email);
 236 }
 237
 238 // function ids_from_mails() {{{1
 239 // Converts an array of emails to an array of email => uid, where email is the
 240 // given email when we found a matching user.
 241 function ids_from_mails(array $emails)
 242 {
 243     global $globals;
 244
 245     // Removes duplicates, if any.
 246     $emails = array_unique($emails);
 247
 248     // Formats and splits by domain type (locally managed or external) emails.
 249     $domain_emails = array();
 250     $other_emails  = array();
 251     foreach ($emails as $email) {
 252         if (strpos($email, '@') === false) {
 253             $user = $email;
 254             $domain = $globals->mail->domain2;
 255         } else {
 256             list($user, $domain) = explode('@', $email);
 257         }
 258         if ($domain == $globals->mail->alias_dom || $domain == $globals->mail->alias_dom2
 259             || $domain == $globals->mail->domain || $domain == $globals->mail->domain2) {
 260             list($user) = explode('+', $user);
 261             list($user) = explode('_', $user);
 262             $domain_emails[$email] = strtolower($user . '@' . $domain);
 263         } else {
 264             $other_emails[$email] = strtolower($user . '@' . $domain);
 265         }
 266     }
 267
 268     // Retrieves emails from our domains.
 269     $domain_uids = XDB::fetchAllAssoc('email',
 270                                       'SELECT  email, uid
 271                                          FROM  email_source_account
 272                                         WHERE  email IN {?}',
 273                                       array_unique($domain_emails));
 274
 275     // Retrieves emails from redirections.
 276     $other_uids = XDB::fetchAllAssoc('redirect',
 277                                      'SELECT  redirect, uid
 278                                         FROM  email_redirect_account
 279                                        WHERE  redirect IN {?}',
 280                                      array_unique($other_emails));
 281
 282     // Associates given emails with the corresponding uid.
 283     $uids = array();
 284     foreach (array_merge($domain_emails, $other_emails) as $email => $canonical_email) {
 285         if (array_key_exists($canonical_email, $domain_uids)) {
 286             $uids[$email] = $domain_uids[$canonical_email];
 287         } elseif (array_key_exists($canonical_email, $other_uids)) {
 288             $uids[$email] = $other_uids[$canonical_email];
 289         }
 290     }
 291
 292     return $uids;
 293 }
 294
 295 // class Bogo {{{1
 296 // The Bogo class represents a spam filtering level in plat/al architecture.
 297 class Bogo
 298 {
 299     public static $states = array(
 300         0 => 'default',
 301         1 => 'let_spams',
 302         2 => 'tag_spams',
 303         3 => 'tag_and_drop_spams',
 304         4 => 'drop_spams'
 305     );
 306
 307     private $user;
 308     public $state;
 309     public $single_state;
 310     public $redirections;
 311     public $single_redirection;
 312
 313     public function __construct(User $user)
 314     {
 315         if (!$user) {
 316             return;
 317         }
 318
 319         $this->user = &$user;
 320         $res = XDB::fetchOneAssoc('SELECT  COUNT(DISTINCT(action)) AS action_count, COUNT(redirect) AS redirect_count, action
 321                                      FROM  email_redirect_account
 322                                     WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\') AND flags = \'active\'',
 323                                   $user->id());
 324         if ($res['redirect_count'] == 0) {
 325             return;
 326         }
 327
 328         $this->single_redirection = ($res['redirect_count'] == 1);
 329         $this->redirections = XDB::fetchAllAssoc('SELECT  IF(type = \'googleapps\', type, redirect) AS redirect, type, action
 330                                                     FROM  email_redirect_account
 331                                                    WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\')
 332                                                 ORDER BY  type, redirect',
 333                                                  $user->id());
 334
 335         foreach ($this->redirections AS &$redirection) {
 336             $redirection['filter'] = array_search($redirection['action'], self::$states);
 337         }
 338         if ($res['action_count'] == 1) {
 339             $this->state = array_search($res['action'], self::$states);
 340             $this->single_state = true;
 341         } else {
 342             $this->single_state = $this->state = false;
 343         }
 344     }
 345
 346     public function changeAll($state)
 347     {
 348         Platal::assert($state >= 0 && $state < count(self::$states), 'Unknown antispam level.');
 349
 350         $this->state = $state;
 351         XDB::execute('UPDATE  email_redirect_account
 352                          SET  action = {?}
 353                        WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\')',
 354                      self::$states[$this->state], $this->user->id());
 355     }
 356
 357     public function change($redirection, $state)
 358     {
 359         Platal::assert($state >= 0 && $state < count(self::$states), 'Unknown antispam level.');
 360
 361         XDB::execute('UPDATE  email_redirect_account
 362                          SET  action = {?}
 363                        WHERE  uid = {?} AND (type = {?} OR redirect = {?})',
 364                      self::$states[$state], $this->user->id(), $redirection, $redirection);
 365     }
 366 }
 367
 368 // class Email {{{1
 369 // Represents an "email address" used as final recipient for plat/al-managed
 370 // addresses.
 371 class Email
 372 {
 373     // Lists fields to load automatically.
 374     static private $field_names = array('rewrite', 'type', 'action', 'broken_date', 'broken_level', 'last', 'hash', 'allow_rewrite');
 375
 376     // Shortname to realname mapping for known mail storage backends.
 377     static private $display_names = array(
 378         'imap'       => 'Accès de secours aux emails (IMAP)',
 379         'googleapps' => 'Compte Google Apps',
 380     );
 381     static private $storage_domains = array(
 382         'imap'       => 'imap',
 383         'googleapps' => 'g'
 384     );
 385
 386     private $user;
 387
 388     // Basic email properties; $sufficient indicates if the email can be used as
 389     // an unique redirection; $redirect contains the delivery email address.
 390     public $type;
 391     public $sufficient;
 392     public $email;
 393     public $display_email;
 394     public $domain;
 395     public $action;
 396     public $filter_level;
 397
 398     // Redirection status properties.
 399     public $active;
 400     public $inactive;
 401     public $broken;
 402     public $disabled;
 403     public $rewrite;
 404     public $allow_rewrite;
 405     public $hash;
 406
 407     // Redirection bounces stats.
 408     public $last;
 409     public $broken_level;
 410     public $broken_date;
 411
 412     public function __construct(User $user, array $row)
 413     {
 414         foreach (self::$field_names as $field) {
 415             if (array_key_exists($field, $row)) {
 416                 $this->$field = $row[$field];
 417             }
 418         }
 419         $this->email = $row['redirect'];
 420
 421         if (array_key_exists($this->type, Email::$display_names)) {
 422             $this->display_email = self::$display_names[$this->type];
 423         } else {
 424             $this->display_email = $this->email;
 425         }
 426         foreach (array('active', 'inactive', 'broken', 'disabled') as $status) {
 427             $this->$status = ($status == $row['flags']);
 428         }
 429         $this->sufficient = ($this->type == 'smtp' || $this->type == 'googleapps');
 430         $this->filter_level = ($this->type == 'imap') ? null : array_search($this->action, Bogo::$states);
 431         $this->user = &$user;
 432     }
 433
 434     // Activates the email address as a redirection.
 435     public function activate()
 436     {
 437         if ($this->inactive) {
 438             XDB::execute('UPDATE  email_redirect_account
 439                              SET  broken_level = IF(flags = \'broken\', broken_level - 1, broken_level), flags = \'active\'
 440                            WHERE  uid = {?} AND redirect = {?}',
 441                          $this->user->id(), $this->email);
 442             S::logger()->log('email_on', $this->email . ($this->user->id() != S::v('uid') ? "(admin on {$this->user->login()})" : ''));
 443             $this->inactive = false;
 444             $this->active   = true;
 445         }
 446     }
 447
 448     // Deactivates the email address as a redirection.
 449     public function deactivate()
 450     {
 451         if ($this->active) {
 452             XDB::execute('UPDATE  email_redirect_account
 453                              SET  flags = \'inactive\'
 454                            WHERE  uid = {?} AND redirect = {?}',
 455                          $this->user->id(), $this->email);
 456             S::logger()->log('email_off', $this->email . ($this->user->id() != S::v('uid') ? "(admin on {$this->user->login()})" : "") );
 457             $this->inactive = true;
 458             $this->active   = false;
 459         }
 460     }
 461
 462
 463     // Sets the rewrite rule for the given address.
 464     public function set_rewrite($rewrite)
 465     {
 466         if ($this->type != 'smtp' || $this->rewrite == $rewrite) {
 467             return;
 468         }
 469         if (!$rewrite || !isvalid_email($rewrite)) {
 470             $rewrite = '';
 471         }
 472         XDB::execute('UPDATE  email_redirect_account
 473                          SET  rewrite = {?}
 474                        WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 475                      $rewrite, $this->user->id(), $this->email);
 476         $this->rewrite = $rewrite;
 477         if (!$this->allow_rewrite) {
 478             global $globals;
 479             if (empty($this->hash)) {
 480                 $this->hash = rand_url_id();
 481                 XDB::execute('UPDATE  email_redirect_account
 482                                  SET  hash = {?}
 483                                WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 484                              $this->hash, $this->user->id(), $this->email);
 485             }
 486             $mail = new PlMailer('emails/rewrite-in.mail.tpl');
 487             $mail->assign('mail', $this);
 488             $mail->assign('user', $this->user);
 489             $mail->assign('baseurl', $globals->baseurl);
 490             $mail->assign('sitename', $globals->core->sitename);
 491             $mail->assign('to', $this->email);
 492             $mail->send($this->user->isEmailFormatHtml());
 493         }
 494     }
 495
 496
 497     // Resets the error counts associated with the redirection.
 498     public function clean_errors()
 499     {
 500         if ($this->type != 'smtp') {
 501             return;
 502         }
 503         if (!S::admin()) {
 504             return false;
 505         }
 506         $this->broken       = 0;
 507         $this->broken_level = 0;
 508         $this->last         = 0;
 509         return XDB::execute('UPDATE  email_redirect_account
 510                                 SET  broken_level = 0, broken_date = 0, last = 0
 511                               WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 512                             $this->user->id(), $this->email);
 513     }
 514
 515
 516     // Email backend capabilities ('rewrite' refers to From: rewrite for mails
 517     // forwarded by Polytechnique.org's MXs; 'removable' indicates if the email
 518     // can be definitively removed; 'disable' indicates if the email has a third
 519     // status 'disabled' in addition to 'active' and 'inactive').
 520     public function has_rewrite()
 521     {
 522         return ($this->type == 'smtp');
 523     }
 524
 525     public function is_removable()
 526     {
 527         return ($this->type == 'smtp');
 528     }
 529
 530     public function has_disable()
 531     {
 532         return true;
 533     }
 534
 535     public function is_redirection()
 536     {
 537         return ($this->type == 'smtp');
 538     }
 539
 540     // Returns the list of allowed storages for the @p user.
 541     static private function get_allowed_storages(User $user)
 542     {
 543         global $globals;
 544         $storages = array();
 545
 546         // Google Apps storage is available for users with valid Google Apps account.
 547         require_once 'googleapps.inc.php';
 548         if ($globals->mailstorage->googleapps_domain &&
 549             GoogleAppsAccount::account_status($user->id()) == 'active') {
 550             $storages[] = 'googleapps';
 551         }
 552
 553         // IMAP storage is always visible to administrators, and is allowed for
 554         // everyone when the service is marked as 'active'.
 555         if ($globals->mailstorage->imap_active || S::admin()) {
 556             $storages[] = 'imap';
 557         }
 558
 559         return $storages;
 560     }
 561
 562     static public function activate_storage(User $user, $storage)
 563     {
 564         Platal::assert(in_array($storage, self::get_allowed_storages($user)));
 565
 566         if (!self::is_active_storage($user, $storage)) {
 567             global $globals;
 568
 569             XDB::execute('INSERT INTO  email_redirect_account (uid, type, redirect, flags)
 570                                VALUES  ({?}, {?}, {?}, \'active\')',
 571                          $user->id(), $storage,
 572                          $user->hruid . '@' . self::$storage_domains[$storage] . '.' . $globals->mail->domain);
 573         }
 574     }
 575
 576     static public function deactivate_storage(User $user, $storage)
 577     {
 578         if (in_array($storage, self::$storage_domains)) {
 579             XDB::execute('DELETE FROM  email_redirect_account
 580                                 WHERE  uid = {?} AND type = {?}',
 581                          $user->id(), $storage);
 582             }
 583     }
 584
 585     static public function is_active_storage(User $user, $storage)
 586     {
 587         if (!in_array($storage, self::$storage_domains)) {
 588             return false;
 589         }
 590         $res = XDB::fetchOneCell('SELECT  COUNT(*)
 591                                     FROM  email_redirect_account
 592                                    WHERE  uid = {?} AND type = {?} AND flags = \'active\')',
 593                                  $user->id(), $storage);
 594         return !is_null($res) && $res > 0;
 595     }
 596 }
 597 // class Redirect {{{1
 598 // Redirect is a placeholder class for an user's active redirections (third-party
 599 // redirection email, or Polytechnique.org mail storages).
 600 class Redirect
 601 {
 602     private $flags = 'active';
 603     private $user;
 604
 605     public $emails;
 606     public $bogo;
 607
 608     public function __construct(User $user)
 609     {
 610         $this->user = &$user;
 611         $this->bogo = new Bogo($user);
 612
 613         // Adds third-party email redirections.
 614         $res = XDB::iterator('SELECT  redirect, rewrite, type, action, broken_date, broken_level, last, flags, hash, allow_rewrite
 615                                 FROM  email_redirect_account
 616                                WHERE  uid = {?} AND type != \'homonym\'',
 617                             $user->id());
 618         $this->emails = array();
 619         while ($row = $res->next()) {
 620             $this->emails[] = new Email($user, $row);
 621         }
 622     }
 623
 624     public function other_active($email)
 625     {
 626         foreach ($this->emails as $mail) {
 627             if ($mail->email != $email && $mail->active && $mail->sufficient) {
 628                 return true;
 629             }
 630         }
 631         return false;
 632     }
 633
 634     public function delete_email($email)
 635     {
 636         if (!$this->other_active($email)) {
 637             return ERROR_INACTIVE_REDIRECTION;
 638         }
 639         XDB::execute('DELETE FROM  email_redirect_account
 640                             WHERE  uid = {?} AND redirect = {?} AND type != \'homonym\'',
 641                      $this->user->id(), $email);
 642         S::logger()->log('email_del', $email . ($this->user->id() != S::v('uid') ? " (admin on {$this->user->login()})" : ""));
 643         foreach ($this->emails as $i => $mail) {
 644             if ($email == $mail->email) {
 645                 unset($this->emails[$i]);
 646             }
 647         }
 648         check_redirect($this);
 649         return SUCCESS;
 650     }
 651
 652     public function add_email($email)
 653     {
 654         $email_stripped = strtolower(trim($email));
 655         if (!isvalid_email($email_stripped)) {
 656             return ERROR_INVALID_EMAIL;
 657         }
 658         if (!isvalid_email_redirection($email_stripped)) {
 659             return ERROR_LOOP_EMAIL;
 660         }
 661         // If the email was already present for this user, we reset it to the default values, we thus use REPLACE INTO.
 662         XDB::execute('REPLACE INTO  email_redirect_account (uid, redirect, flags)
 663                             VALUES  ({?}, {?}, \'active\')',
 664                      $this->user->id(), $email);
 665         if ($logger = S::v('log', null)) { // may be absent --> step4.php
 666             S::logger()->log('email_add', $email . ($this->user->id() != S::v('uid') ? " (admin on {$this->user->login()})" : ""));
 667         }
 668         foreach ($this->emails as $mail) {
 669             if ($mail->email == $email_stripped) {
 670                 return SUCCESS;
 671             }
 672         }
 673         $this->emails[] = new Email($this->user, array(
 674                 'redirect'      => $email,
 675                 'rewrite'       => '',
 676                 'type'          => 'smtp',
 677                 'action'        => 'default',
 678                 'broken_date'   => '0000-00-00',
 679                 'broken_level'  => 0,
 680                 'last'          => '0000-00-00',
 681                 'flags'         => 'active',
 682                 'hash'          => null,
 683                 'allow_rewrite' => 0
 684         ));
 685
 686         // security stuff
 687         check_email($email, "Ajout d'une adresse surveillée aux redirections de " . $this->user->login());
 688         check_redirect($this);
 689         return SUCCESS;
 690     }
 691
 692     public function modify_email($emails_actifs, $emails_rewrite)
 693     {
 694         foreach ($this->emails as &$email) {
 695             if (in_array($email->email, $emails_actifs)) {
 696                 $email->activate();
 697             } else {
 698                 $email->deactivate();
 699             }
 700             $email->set_rewrite($emails_rewrite[$email->email]);
 701         }
 702         check_redirect($this);
 703         return SUCCESS;
 704     }
 705
 706     public function modify_one_email($email, $activate)
 707     {
 708         $allinactive = true;
 709         $thisone = false;
 710         foreach ($this->emails as $i=>$mail) {
 711             if ($mail->email == $email) {
 712                 $thisone = $i;
 713             }
 714             $allinactive &= !$mail->active || !$mail->sufficient || $mail->email == $email;
 715         }
 716         if ($thisone === false) {
 717             return ERROR_INVALID_EMAIL;
 718         }
 719         if ($allinactive || $activate) {
 720             $this->emails[$thisone]->activate();
 721         } else {
 722             $this->emails[$thisone]->deactivate();
 723         }
 724         check_redirect($this);
 725         if ($allinactive && !$activate) {
 726             return ERROR_INACTIVE_REDIRECTION;
 727         }
 728         return SUCCESS;
 729     }
 730
 731     public function modify_one_email_redirect($email, $redirect)
 732     {
 733         foreach ($this->emails as &$mail) {
 734             if ($mail->email == $email) {
 735                 $mail->set_rewrite($redirect);
 736                 check_redirect($this);
 737                 return;
 738             }
 739         }
 740     }
 741
 742     public function clean_errors($email)
 743     {
 744         foreach ($this->emails as &$mail) {
 745             if ($mail->email == $email) {
 746                 check_redirect($this);
 747                 return $mail->clean_errors();
 748             }
 749         }
 750         return false;
 751     }
 752
 753     public function disable()
 754     {
 755         XDB::execute("UPDATE  email_redirect_account
 756                          SET  flags = 'disable'
 757                        WHERE  flags = 'active' AND uid = {?}", $this->user->id());
 758         foreach ($this->emails as &$mail) {
 759             if ($mail->active && $mail->has_disable()) {
 760                 $mail->disabled = true;
 761                 $mail->active   = false;
 762             }
 763         }
 764         check_redirect($this);
 765     }
 766
 767     public function enable()
 768     {
 769         XDB::execute("UPDATE  email_redirect_account
 770                          SET  flags = 'active'
 771                        WHERE  flags = 'disable' AND uid = {?}", $this->user->id());
 772         foreach ($this->emails as &$mail) {
 773             if ($mail->disabled) {
 774                 $mail->disabled = false;
 775                 $mail->active   = true;
 776             }
 777             check_redirect($this);
 778         }
 779     }
 780
 781     public function get_broken_mx()
 782     {
 783         $res = XDB::query("SELECT  host, text
 784                              FROM  mx_watch
 785                             WHERE  state != 'ok'");
 786         if (!$res->numRows()) {
 787             return array();
 788         }
 789         $mxs = $res->fetchAllAssoc();
 790         $mails = array();
 791         foreach ($this->emails as &$mail) {
 792             if ($mail->active && strstr($mail->email, '@') !== false) {
 793                 list(,$domain) = explode('@', $mail->email);
 794                 getmxrr($domain, $lcl_mxs);
 795                 if (empty($lcl_mxs)) {
 796                     $lcl_mxs = array($domain);
 797                 }
 798                 $broken = false;
 799                 foreach ($mxs as &$mx) {
 800                     foreach ($lcl_mxs as $lcl) {
 801                         if (fnmatch($mx['host'], $lcl)) {
 802                             $broken = $mx['text'];
 803                             break;
 804                         }
 805                     }
 806                     if ($broken) {
 807                         $mails[] = array('mail' => $mail->email, 'text' => $broken);
 808                         break;
 809                     }
 810                 }
 811             }
 812         }
 813         return $mails;
 814     }
 815
 816     public function active_emails()
 817     {
 818         $emails = array();
 819         foreach ($this->emails as $mail) {
 820             if ($mail->active) {
 821                 $emails[] = $mail;
 822             }
 823         }
 824         return $emails;
 825     }
 826
 827     public function get_uid()
 828     {
 829         return $this->user->id();
 830     }
 831 }
 832
 833 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 834 ?>