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('@', $em);
 220     if (User::isMainMailDomain($dom)) {
 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($email) && !preg_match("/@polytechnique\.edu$/", $email) && User::isForeignEmailAddress($email);
 235 }
 236
 237 // function ids_from_mails() {{{1
 238 // Converts an array of emails to an array of email => uid, where email is the
 239 // given email when we found a matching user.
 240 function ids_from_mails(array $emails)
 241 {
 242     // Removes duplicates, if any.
 243     $emails = array_unique($emails);
 244
 245     // Formats and splits by domain type (locally managed or external) emails.
 246     $main_domain_emails = array();
 247     $aux_domain_emails = array();
 248     $other_emails = array();
 249     foreach ($emails as $email) {
 250         if (strpos($email, '@') === false) {
 251             $main_domain_emails[] = $email;
 252         } else {
 253             if (User::isForeignEmailAddress($email)) {
 254                 $other_emails[$email] = strtolower($user . '@' . $domain);
 255             } else {
 256                 list($local_part, $domain) = explode('@', $email);
 257                 list($local_part) = explode('+', $local_part);
 258                 list($local_part) = explode('_', $local_part);
 259                 if (User::isMainMailDomain($domain)) {
 260                     $main_domain_emails[$email] = strtolower($local_part);
 261                 } elseif (User::isAliasMailDomain($domain)) {
 262                     $aux_domain_emails[$email] = strtolower($local_part);
 263                 }
 264             }
 265         }
 266     }
 267
 268     // Retrieves emails from our domains.
 269     $main_domain_uids = XDB::fetchAllAssoc('email',
 270                                            'SELECT  email, uid
 271                                               FROM  email_source_account
 272                                              WHERE  email IN {?} AND type != \'alias_aux\'',
 273                                            array_unique($main_domain_emails));
 274     $aux_domain_uids = XDB::fetchAllAssoc('email',
 275                                           'SELECT  email, uid
 276                                              FROM  email_source_account
 277                                             WHERE  email IN {?} AND type = \'alias_aux\'',
 278                                           array_unique($aux_domain_emails));
 279
 280     // Retrieves emails from redirections.
 281     $other_uids = XDB::fetchAllAssoc('redirect',
 282                                      'SELECT  redirect, uid
 283                                         FROM  email_redirect_account
 284                                        WHERE  redirect IN {?}',
 285                                      array_unique($other_emails));
 286
 287     // Associates given emails with the corresponding uid.
 288     $uids = array();
 289     foreach ($main_domain_emails as $email => $key) {
 290         $uids[$email] = $main_domain_uids[$key];
 291     }
 292     foreach ($aux_domain_emails as $email => $key) {
 293         $uids[$email] = $aux_domain_uids[$key];
 294     }
 295     foreach ($other_emails as $email => $key) {
 296         $uids[$email] = $other_uids[$key];
 297     }
 298
 299     return array_unique($uids);
 300 }
 301
 302 // class Bogo {{{1
 303 // The Bogo class represents a spam filtering level in plat/al architecture.
 304 class Bogo
 305 {
 306     public static $states = array(
 307         0 => 'default',
 308         1 => 'let_spams',
 309         2 => 'tag_spams',
 310         3 => 'tag_and_drop_spams',
 311         4 => 'drop_spams'
 312     );
 313
 314     private $user;
 315     public $state;
 316     public $single_state;
 317     public $redirections;
 318     public $single_redirection;
 319
 320     public function __construct(User $user)
 321     {
 322         if (!$user) {
 323             return;
 324         }
 325
 326         $this->user = &$user;
 327         $res = XDB::fetchOneAssoc('SELECT  COUNT(DISTINCT(action)) AS action_count, COUNT(redirect) AS redirect_count, action
 328                                      FROM  email_redirect_account
 329                                     WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\') AND flags = \'active\'',
 330                                   $user->id());
 331         if ($res['redirect_count'] == 0) {
 332             return;
 333         }
 334
 335         $this->single_redirection = ($res['redirect_count'] == 1);
 336         $this->redirections = XDB::fetchAllAssoc('SELECT  IF(type = \'googleapps\', type, redirect) AS redirect, type, action
 337                                                     FROM  email_redirect_account
 338                                                    WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\')
 339                                                 ORDER BY  type, redirect',
 340                                                  $user->id());
 341
 342         foreach ($this->redirections AS &$redirection) {
 343             $redirection['filter'] = array_search($redirection['action'], self::$states);
 344         }
 345         if ($res['action_count'] == 1) {
 346             $this->state = array_search($res['action'], self::$states);
 347             $this->single_state = true;
 348         } else {
 349             $this->single_state = $this->state = false;
 350         }
 351     }
 352
 353     public function changeAll($state)
 354     {
 355         Platal::assert($state >= 0 && $state < count(self::$states), 'Unknown antispam level.');
 356
 357         $this->state = $state;
 358         XDB::execute('UPDATE  email_redirect_account
 359                          SET  action = {?}
 360                        WHERE  uid = {?} AND (type = \'smtp\' OR type = \'googleapps\')',
 361                      self::$states[$this->state], $this->user->id());
 362     }
 363
 364     public function change($redirection, $state)
 365     {
 366         Platal::assert($state >= 0 && $state < count(self::$states), 'Unknown antispam level.');
 367
 368         XDB::execute('UPDATE  email_redirect_account
 369                          SET  action = {?}
 370                        WHERE  uid = {?} AND (type = {?} OR redirect = {?})',
 371                      self::$states[$state], $this->user->id(), $redirection, $redirection);
 372     }
 373 }
 374
 375 // class Email {{{1
 376 // Represents an "email address" used as final recipient for plat/al-managed
 377 // addresses.
 378 class Email
 379 {
 380     // Lists fields to load automatically.
 381     static private $field_names = array('rewrite', 'type', 'action', 'broken_date', 'broken_level', 'last', 'hash', 'allow_rewrite');
 382
 383     // Shortname to realname mapping for known mail storage backends.
 384     static private $display_names = array(
 385         'imap'       => 'Accès de secours aux emails (IMAP)',
 386         'googleapps' => 'Compte Google Apps',
 387     );
 388     static private $storage_domains = array(
 389         'imap'       => 'imap',
 390         'googleapps' => 'g'
 391     );
 392
 393     private $user;
 394
 395     // Basic email properties; $sufficient indicates if the email can be used as
 396     // an unique redirection; $redirect contains the delivery email address.
 397     public $type;
 398     public $sufficient;
 399     public $email;
 400     public $display_email;
 401     public $domain;
 402     public $action;
 403     public $filter_level;
 404
 405     // Redirection status properties.
 406     public $active;
 407     public $inactive;
 408     public $broken;
 409     public $disabled;
 410     public $rewrite;
 411     public $allow_rewrite;
 412     public $hash;
 413
 414     // Redirection bounces stats.
 415     public $last;
 416     public $broken_level;
 417     public $broken_date;
 418
 419     public function __construct(User $user, array $row)
 420     {
 421         foreach (self::$field_names as $field) {
 422             if (array_key_exists($field, $row)) {
 423                 $this->$field = $row[$field];
 424             }
 425         }
 426         $this->email = $row['redirect'];
 427
 428         if (array_key_exists($this->type, Email::$display_names)) {
 429             $this->display_email = self::$display_names[$this->type];
 430         } else {
 431             $this->display_email = $this->email;
 432         }
 433         foreach (array('active', 'inactive', 'broken', 'disabled') as $status) {
 434             $this->$status = ($status == $row['flags']);
 435         }
 436         $this->sufficient = ($this->type == 'smtp' || $this->type == 'googleapps');
 437         $this->filter_level = ($this->type == 'imap') ? null : array_search($this->action, Bogo::$states);
 438         $this->user = &$user;
 439     }
 440
 441     // Activates the email address as a redirection.
 442     public function activate()
 443     {
 444         if ($this->inactive) {
 445             XDB::execute('UPDATE  email_redirect_account
 446                              SET  broken_level = IF(flags = \'broken\', broken_level - 1, broken_level), flags = \'active\'
 447                            WHERE  uid = {?} AND redirect = {?}',
 448                          $this->user->id(), $this->email);
 449             S::logger()->log('email_on', $this->email . ($this->user->id() != S::v('uid') ? "(admin on {$this->user->login()})" : ''));
 450             $this->inactive = false;
 451             $this->active   = true;
 452         }
 453     }
 454
 455     // Deactivates the email address as a redirection.
 456     public function deactivate()
 457     {
 458         if ($this->active) {
 459             XDB::execute('UPDATE  email_redirect_account
 460                              SET  flags = \'inactive\'
 461                            WHERE  uid = {?} AND redirect = {?}',
 462                          $this->user->id(), $this->email);
 463             S::logger()->log('email_off', $this->email . ($this->user->id() != S::v('uid') ? "(admin on {$this->user->login()})" : "") );
 464             $this->inactive = true;
 465             $this->active   = false;
 466         }
 467     }
 468
 469
 470     // Sets the rewrite rule for the given address.
 471     public function set_rewrite($rewrite)
 472     {
 473         if ($this->type != 'smtp' || $this->rewrite == $rewrite) {
 474             return;
 475         }
 476         if (!$rewrite || !isvalid_email($rewrite)) {
 477             $rewrite = '';
 478         }
 479         XDB::execute('UPDATE  email_redirect_account
 480                          SET  rewrite = {?}
 481                        WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 482                      $rewrite, $this->user->id(), $this->email);
 483         $this->rewrite = $rewrite;
 484         if (!$this->allow_rewrite) {
 485             global $globals;
 486             if (empty($this->hash)) {
 487                 $this->hash = rand_url_id();
 488                 XDB::execute('UPDATE  email_redirect_account
 489                                  SET  hash = {?}
 490                                WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 491                              $this->hash, $this->user->id(), $this->email);
 492             }
 493             $mail = new PlMailer('emails/rewrite-in.mail.tpl');
 494             $mail->assign('mail', $this);
 495             $mail->assign('user', $this->user);
 496             $mail->assign('baseurl', $globals->baseurl);
 497             $mail->assign('sitename', $globals->core->sitename);
 498             $mail->assign('to', $this->email);
 499             $mail->send($this->user->isEmailFormatHtml());
 500         }
 501     }
 502
 503
 504     // Resets the error counts associated with the redirection.
 505     public function clean_errors()
 506     {
 507         if ($this->type != 'smtp') {
 508             return;
 509         }
 510         if (!S::admin()) {
 511             return false;
 512         }
 513         $this->broken       = 0;
 514         $this->broken_level = 0;
 515         $this->last         = 0;
 516         return XDB::execute('UPDATE  email_redirect_account
 517                                 SET  broken_level = 0, broken_date = 0, last = 0
 518                               WHERE  uid = {?} AND redirect = {?} AND type = \'smtp\'',
 519                             $this->user->id(), $this->email);
 520     }
 521
 522
 523     // Email backend capabilities ('rewrite' refers to From: rewrite for mails
 524     // forwarded by Polytechnique.org's MXs; 'removable' indicates if the email
 525     // can be definitively removed; 'disable' indicates if the email has a third
 526     // status 'disabled' in addition to 'active' and 'inactive').
 527     public function has_rewrite()
 528     {
 529         return ($this->type == 'smtp');
 530     }
 531
 532     public function is_removable()
 533     {
 534         return ($this->type == 'smtp');
 535     }
 536
 537     public function has_disable()
 538     {
 539         return true;
 540     }
 541
 542     public function is_redirection()
 543     {
 544         return ($this->type == 'smtp');
 545     }
 546
 547     // Returns the list of allowed storages for the @p user.
 548     static private function get_allowed_storages(User $user)
 549     {
 550         global $globals;
 551         $storages = array();
 552
 553         // Google Apps storage is available for users with valid Google Apps account.
 554         require_once 'googleapps.inc.php';
 555         if ($globals->mailstorage->googleapps_domain &&
 556             GoogleAppsAccount::account_status($user->id()) == 'active') {
 557             $storages[] = 'googleapps';
 558         }
 559
 560         // IMAP storage is always visible to administrators, and is allowed for
 561         // everyone when the service is marked as 'active'.
 562         if ($globals->mailstorage->imap_active || S::admin()) {
 563             $storages[] = 'imap';
 564         }
 565
 566         return $storages;
 567     }
 568
 569     static public function activate_storage(User $user, $storage)
 570     {
 571         Platal::assert(in_array($storage, self::get_allowed_storages($user)));
 572
 573         if (!self::is_active_storage($user, $storage)) {
 574             global $globals;
 575
 576             XDB::execute('INSERT INTO  email_redirect_account (uid, type, redirect, flags)
 577                                VALUES  ({?}, {?}, {?}, \'active\')',
 578                          $user->id(), $storage,
 579                          $user->hruid . '@' . self::$storage_domains[$storage] . '.' . $globals->mail->domain);
 580         }
 581     }
 582
 583     static public function deactivate_storage(User $user, $storage)
 584     {
 585         if (in_array($storage, self::$storage_domains)) {
 586             XDB::execute('DELETE FROM  email_redirect_account
 587                                 WHERE  uid = {?} AND type = {?}',
 588                          $user->id(), $storage);
 589             }
 590     }
 591
 592     static public function is_active_storage(User $user, $storage)
 593     {
 594         if (!in_array($storage, self::$storage_domains)) {
 595             return false;
 596         }
 597         $res = XDB::fetchOneCell('SELECT  COUNT(*)
 598                                     FROM  email_redirect_account
 599                                    WHERE  uid = {?} AND type = {?} AND flags = \'active\')',
 600                                  $user->id(), $storage);
 601         return !is_null($res) && $res > 0;
 602     }
 603 }
 604 // class Redirect {{{1
 605 // Redirect is a placeholder class for an user's active redirections (third-party
 606 // redirection email, or Polytechnique.org mail storages).
 607 class Redirect
 608 {
 609     private $flags = 'active';
 610     private $user;
 611
 612     public $emails;
 613
 614     public function __construct(User $user)
 615     {
 616         $this->user = &$user;
 617
 618         // Adds third-party email redirections.
 619         $res = XDB::iterator('SELECT  redirect, rewrite, type, action, broken_date, broken_level, last, flags, hash, allow_rewrite
 620                                 FROM  email_redirect_account
 621                                WHERE  uid = {?} AND type != \'homonym\'',
 622                             $user->id());
 623         $this->emails = array();
 624         while ($row = $res->next()) {
 625             $this->emails[] = new Email($user, $row);
 626         }
 627     }
 628
 629     public function other_active($email)
 630     {
 631         foreach ($this->emails as $mail) {
 632             if ($mail->email != $email && $mail->active && $mail->sufficient) {
 633                 return true;
 634             }
 635         }
 636         return false;
 637     }
 638
 639     public function delete_email($email)
 640     {
 641         if (!$this->other_active($email)) {
 642             return ERROR_INACTIVE_REDIRECTION;
 643         }
 644         XDB::execute('DELETE FROM  email_redirect_account
 645                             WHERE  uid = {?} AND redirect = {?} AND type != \'homonym\'',
 646                      $this->user->id(), $email);
 647         S::logger()->log('email_del', $email . ($this->user->id() != S::v('uid') ? " (admin on {$this->user->login()})" : ""));
 648         foreach ($this->emails as $i => $mail) {
 649             if ($email == $mail->email) {
 650                 unset($this->emails[$i]);
 651             }
 652         }
 653         check_redirect($this);
 654         $this->update_imap();
 655         return SUCCESS;
 656     }
 657
 658     public function add_email($email)
 659     {
 660         $email_stripped = strtolower(trim($email));
 661         if (!isvalid_email($email_stripped)) {
 662             return ERROR_INVALID_EMAIL;
 663         }
 664         if (!isvalid_email_redirection($email_stripped)) {
 665             return ERROR_LOOP_EMAIL;
 666         }
 667         // We first need to retrieve the value for the antispam filter: it is
 668         // either the user's redirections common value, or if they differ, our
 669         // default value.
 670         $bogo = new Bogo($this->user);
 671         $filter = ($bogo->single_state ? Bogo::$states[$bogo->state] : Bogo::$states[0]);
 672         // If the email was already present for this user, we reset it to the default values, we thus use REPLACE INTO.
 673         XDB::execute('REPLACE INTO  email_redirect_account (uid, redirect, flags, action)
 674                             VALUES  ({?}, {?}, \'active\', {?})',
 675                      $this->user->id(), $email, $filter);
 676         if ($logger = S::v('log', null)) { // may be absent --> step4.php
 677             S::logger()->log('email_add', $email . ($this->user->id() != S::v('uid') ? " (admin on {$this->user->login()})" : ""));
 678         }
 679         foreach ($this->emails as $mail) {
 680             if ($mail->email == $email_stripped) {
 681                 return SUCCESS;
 682             }
 683         }
 684         $this->emails[] = new Email($this->user, array(
 685                 'redirect'      => $email,
 686                 'rewrite'       => '',
 687                 'type'          => 'smtp',
 688                 'action'        => $filter,
 689                 'broken_date'   => '0000-00-00',
 690                 'broken_level'  => 0,
 691                 'last'          => '0000-00-00',
 692                 'flags'         => 'active',
 693                 'hash'          => null,
 694                 'allow_rewrite' => 0
 695         ));
 696
 697         // security stuff
 698         check_email($email, "Ajout d'une adresse surveillée aux redirections de " . $this->user->login());
 699         check_redirect($this);
 700         $this->update_imap();
 701         return SUCCESS;
 702     }
 703
 704     public function modify_email($emails_actifs, $emails_rewrite)
 705     {
 706         foreach ($this->emails as &$email) {
 707             if (in_array($email->email, $emails_actifs)) {
 708                 $email->activate();
 709             } else {
 710                 $email->deactivate();
 711             }
 712             $email->set_rewrite($emails_rewrite[$email->email]);
 713         }
 714         check_redirect($this);
 715         $this->update_imap();
 716         return SUCCESS;
 717     }
 718
 719     public function modify_one_email($email, $activate)
 720     {
 721         $allinactive = true;
 722         $thisone = false;
 723         foreach ($this->emails as $i=>$mail) {
 724             if ($mail->email == $email) {
 725                 $thisone = $i;
 726             }
 727             $allinactive &= !$mail->active || !$mail->sufficient || $mail->email == $email;
 728         }
 729         if ($thisone === false) {
 730             return ERROR_INVALID_EMAIL;
 731         }
 732         if ($allinactive || $activate) {
 733             $this->emails[$thisone]->activate();
 734         } else {
 735             $this->emails[$thisone]->deactivate();
 736         }
 737         check_redirect($this);
 738         $this->update_imap();
 739         if ($allinactive && !$activate) {
 740             return ERROR_INACTIVE_REDIRECTION;
 741         }
 742         return SUCCESS;
 743     }
 744
 745     public function modify_one_email_redirect($email, $redirect)
 746     {
 747         foreach ($this->emails as &$mail) {
 748             if ($mail->email == $email) {
 749                 $mail->set_rewrite($redirect);
 750                 check_redirect($this);
 751                 $this->update_imap();
 752                 return;
 753             }
 754         }
 755     }
 756
 757     public function clean_errors($email)
 758     {
 759         foreach ($this->emails as &$mail) {
 760             if ($mail->email == $email) {
 761                 check_redirect($this);
 762                 $this->update_imap();
 763                 return $mail->clean_errors();
 764             }
 765         }
 766         return false;
 767     }
 768
 769     public function disable()
 770     {
 771         XDB::execute("UPDATE  email_redirect_account
 772                          SET  flags = 'disable'
 773                        WHERE  flags = 'active' AND uid = {?}", $this->user->id());
 774         foreach ($this->emails as &$mail) {
 775             if ($mail->active && $mail->has_disable()) {
 776                 $mail->disabled = true;
 777                 $mail->active   = false;
 778             }
 779         }
 780         check_redirect($this);
 781         $this->update_imap();
 782     }
 783
 784     public function enable()
 785     {
 786         XDB::execute("UPDATE  email_redirect_account
 787                          SET  flags = 'active'
 788                        WHERE  flags = 'disable' AND uid = {?}", $this->user->id());
 789         foreach ($this->emails as &$mail) {
 790             if ($mail->disabled) {
 791                 $mail->disabled = false;
 792                 $mail->active   = true;
 793             }
 794             check_redirect($this);
 795         }
 796         $this->update_imap();
 797     }
 798
 799     public function get_broken_mx()
 800     {
 801         $res = XDB::query("SELECT  host, text
 802                              FROM  mx_watch
 803                             WHERE  state != 'ok'");
 804         if (!$res->numRows()) {
 805             return array();
 806         }
 807         $mxs = $res->fetchAllAssoc();
 808         $mails = array();
 809         foreach ($this->emails as &$mail) {
 810             if ($mail->active && strstr($mail->email, '@') !== false) {
 811                 list(,$domain) = explode('@', $mail->email);
 812                 getmxrr($domain, $lcl_mxs);
 813                 if (empty($lcl_mxs)) {
 814                     $lcl_mxs = array($domain);
 815                 }
 816                 $broken = false;
 817                 foreach ($mxs as &$mx) {
 818                     foreach ($lcl_mxs as $lcl) {
 819                         if (fnmatch($mx['host'], $lcl)) {
 820                             $broken = $mx['text'];
 821                             break;
 822                         }
 823                     }
 824                     if ($broken) {
 825                         $mails[] = array('mail' => $mail->email, 'text' => $broken);
 826                         break;
 827                     }
 828                 }
 829             }
 830         }
 831         return $mails;
 832     }
 833
 834     public function active_emails()
 835     {
 836         $emails = array();
 837         foreach ($this->emails as $mail) {
 838             if ($mail->active) {
 839                 $emails[] = $mail;
 840             }
 841         }
 842         return $emails;
 843     }
 844
 845     public function get_uid()
 846     {
 847         return $this->user->id();
 848     }
 849
 850     private function update_imap()
 851     {
 852         // Imaps must bounce if and only if the user has no active redirection.
 853         if (!$this->other_active('')) {
 854             XDB::execute('UPDATE  email_redirect_account
 855                              SET  action = \'imap_and_bounce\'
 856                            WHERE  type = \'imap\' AND uid = {?}',
 857                          $this->user->id());
 858         } else {
 859             XDB::execute('UPDATE  email_redirect_account
 860                              SET  action = \'let_spams\'
 861                            WHERE  type = \'imap\' AND uid = {?}',
 862                          $this->user->id());
 863         }
 864     }
 865 }
 866
 867 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 868 ?>