includes/UserMailer.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @author <brion@pobox.com>
  19  * @author <mail@tgries.de>
  20  * @author Tim Starling
  21  *
  22  */
  23
  24
  25 /**
  26  * Stores a single person's name and email address.
  27  * These are passed in via the constructor, and will be returned in SMTP
  28  * header format when requested.
  29  */
  30 class MailAddress {
  31         /**
  32          * @param $address Mixed: string with an email address, or a User object
  33          * @param $name String: human-readable name if a string address is given
  34          */
  35         function __construct( $address, $name = null, $realName = null ) {
  36                 if( is_object( $address ) && $address instanceof User ) {
  37                         $this->address = $address->getEmail();
  38                         $this->name = $address->getName();
  39                         $this->realName = $address->getRealName();
  40                 } else {
  41                         $this->address = strval( $address );
  42                         $this->name = strval( $name );
  43                         $this->realName = strval( $realName );
  44                 }
  45         }
  46
  47         /**
  48          * Return formatted and quoted address to insert into SMTP headers
  49          * @return string
  50          */
  51         function toString() {
  52                 # PHP's mail() implementation under Windows is somewhat shite, and
  53                 # can't handle "Joe Bloggs <joe@bloggs.com>" format email addresses,
  54                 # so don't bother generating them
  55                 if( $this->name != '' && !wfIsWindows() ) {
  56                         global $wgEnotifUseRealName;
  57                         $name = ( $wgEnotifUseRealName && $this->realName ) ? $this->realName : $this->name;
  58                         $quoted = wfQuotedPrintable( $name );
  59                         if( strpos( $quoted, '.' ) !== false || strpos( $quoted, ',' ) !== false ) {
  60                                 $quoted = '"' . $quoted . '"';
  61                         }
  62                         return "$quoted <{$this->address}>";
  63                 } else {
  64                         return $this->address;
  65                 }
  66         }
  67
  68         function __toString() {
  69                 return $this->toString();
  70         }
  71 }
  72
  73
  74 /**
  75  * Collection of static functions for sending mail
  76  */
  77 class UserMailer {
  78         static $mErrorString;
  79
  80         /**
  81          * Send mail using a PEAR mailer
  82          */
  83         protected static function sendWithPear($mailer, $dest, $headers, $body)
  84         {
  85                 $mailResult = $mailer->send($dest, $headers, $body);
  86
  87                 # Based on the result return an error string,
  88                 if( PEAR::isError( $mailResult ) ) {
  89                         wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
  90                         return new WikiError( $mailResult->getMessage() );
  91                 } else {
  92                         return true;
  93                 }
  94         }
  95
  96         /**
  97          * This function will perform a direct (authenticated) login to
  98          * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
  99          * array of parameters. It requires PEAR:Mail to do that.
 100          * Otherwise it just uses the standard PHP 'mail' function.
 101          *
 102          * @param $to MailAddress: recipient's email
 103          * @param $from MailAddress: sender's email
 104          * @param $subject String: email's subject.
 105          * @param $body String: email's text.
 106          * @param $replyto MailAddress: optional reply-to email (default: null).
 107          * @param $contentType String: optional custom Content-Type
 108          * @return mixed True on success, a WikiError object on failure.
 109          */
 110         static function send( $to, $from, $subject, $body, $replyto=null, $contentType=null ) {
 111                 global $wgSMTP, $wgOutputEncoding, $wgEnotifImpersonal;
 112                 global $wgEnotifMaxRecips;
 113
 114                 if ( is_array( $to ) ) {
 115                         wfDebug( __METHOD__.': sending mail to ' . implode( ',', $to ) . "\n" );
 116                 } else {
 117                         wfDebug( __METHOD__.': sending mail to ' . implode( ',', array( $to->toString() ) ) . "\n" );
 118                 }
 119
 120                 if (is_array( $wgSMTP )) {
 121                         require_once( 'Mail.php' );
 122
 123                         $msgid = str_replace(" ", "_", microtime());
 124                         if (function_exists('posix_getpid'))
 125                                 $msgid .= '.' . posix_getpid();
 126
 127                         if (is_array($to)) {
 128                                 $dest = array();
 129                                 foreach ($to as $u)
 130                                         $dest[] = $u->address;
 131                         } else
 132                                 $dest = $to->address;
 133
 134                         $headers['From'] = $from->toString();
 135
 136                         if ($wgEnotifImpersonal) {
 137                                 $headers['To'] = 'undisclosed-recipients:;';
 138                         }
 139                         else {
 140                                 $headers['To'] = implode( ", ", (array )$dest );
 141                         }
 142
 143                         if ( $replyto ) {
 144                                 $headers['Reply-To'] = $replyto->toString();
 145                         }
 146                         $headers['Subject'] = wfQuotedPrintable( $subject );
 147                         $headers['Date'] = date( 'r' );
 148                         $headers['MIME-Version'] = '1.0';
 149                         $headers['Content-type'] = (is_null($contentType) ?
 150                                         'text/plain; charset='.$wgOutputEncoding : $contentType);
 151                         $headers['Content-transfer-encoding'] = '8bit';
 152                         $headers['Message-ID'] = "<$msgid@" . $wgSMTP['IDHost'] . '>'; // FIXME
 153                         $headers['X-Mailer'] = 'MediaWiki mailer';
 154
 155                         // Create the mail object using the Mail::factory method
 156                         $mail_object =& Mail::factory('smtp', $wgSMTP);
 157                         if( PEAR::isError( $mail_object ) ) {
 158                                 wfDebug( "PEAR::Mail factory failed: " . $mail_object->getMessage() . "\n" );
 159                                 return new WikiError( $mail_object->getMessage() );
 160                         }
 161
 162                         wfDebug( "Sending mail via PEAR::Mail to $dest\n" );
 163                         $chunks = array_chunk( (array)$dest, $wgEnotifMaxRecips );
 164                         foreach ($chunks as $chunk) {
 165                                 $e = self::sendWithPear($mail_object, $chunk, $headers, $body);
 166                                 if( WikiError::isError( $e ) )
 167                                         return $e;
 168                         }
 169                 } else  {
 170                         # In the following $headers = expression we removed "Reply-To: {$from}\r\n" , because it is treated differently
 171                         # (fifth parameter of the PHP mail function, see some lines below)
 172
 173                         # Line endings need to be different on Unix and Windows due to
 174                         # the bug described at http://trac.wordpress.org/ticket/2603
 175                         if ( wfIsWindows() ) {
 176                                 $body = str_replace( "\n", "\r\n", $body );
 177                                 $endl = "\r\n";
 178                         } else {
 179                                 $endl = "\n";
 180                         }
 181                         $ctype = (is_null($contentType) ?
 182                                         'text/plain; charset='.$wgOutputEncoding : $contentType);
 183                         $headers =
 184                                 "MIME-Version: 1.0$endl" .
 185                                 "Content-type: $ctype$endl" .
 186                                 "Content-Transfer-Encoding: 8bit$endl" .
 187                                 "X-Mailer: MediaWiki mailer$endl".
 188                                 'From: ' . $from->toString();
 189                         if ($replyto) {
 190                                 $headers .= "{$endl}Reply-To: " . $replyto->toString();
 191                         }
 192
 193                         wfDebug( "Sending mail via internal mail() function\n" );
 194
 195                         self::$mErrorString = '';
 196                         $html_errors = ini_get( 'html_errors' );
 197                         ini_set( 'html_errors', '0' );
 198                         set_error_handler( array( 'UserMailer', 'errorHandler' ) );
 199
 200                         if (function_exists('mail')) {
 201                                 if (is_array($to)) {
 202                                         foreach ($to as $recip) {
 203                                                 $sent = mail( $recip->toString(), wfQuotedPrintable( $subject ), $body, $headers );
 204                                         }
 205                                 } else {
 206                                         $sent = mail( $to->toString(), wfQuotedPrintable( $subject ), $body, $headers );
 207                                 }
 208                         } else {
 209                                 self::$mErrorString = 'PHP is not configured to send mail';
 210                         }
 211
 212                         restore_error_handler();
 213                         ini_set( 'html_errors', $html_errors );
 214
 215                         if ( self::$mErrorString ) {
 216                                 wfDebug( "Error sending mail: " . self::$mErrorString . "\n" );
 217                                 return new WikiError( self::$mErrorString );
 218                         } elseif (! $sent ) {
 219                                 //mail function only tells if there's an error
 220                                 wfDebug( "Error sending mail\n" );
 221                                 return new WikiError( 'mail() failed' );
 222                         } else {
 223                                 return true;
 224                         }
 225                 }
 226         }
 227
 228         /**
 229          * Set the mail error message in self::$mErrorString
 230          *
 231          * @param $code Integer: error number
 232          * @param $string String: error message
 233          */
 234         static function errorHandler( $code, $string ) {
 235                 self::$mErrorString = preg_replace( '/^mail\(\)(\s*\[.*?\])?: /', '', $string );
 236         }
 237
 238         /**
 239          * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
 240          */
 241         static function rfc822Phrase( $phrase ) {
 242                 $phrase = strtr( $phrase, array( "\r" => '', "\n" => '', '"' => '' ) );
 243                 return '"' . $phrase . '"';
 244         }
 245 }
 246
 247 /**
 248  * This module processes the email notifications when the current page is
 249  * changed. It looks up the table watchlist to find out which users are watching
 250  * that page.
 251  *
 252  * The current implementation sends independent emails to each watching user for
 253  * the following reason:
 254  *
 255  * - Each watching user will be notified about the page edit time expressed in
 256  * his/her local time (UTC is shown additionally). To achieve this, we need to
 257  * find the individual timeoffset of each watching user from the preferences..
 258  *
 259  * Suggested improvement to slack down the number of sent emails: We could think
 260  * of sending out bulk mails (bcc:user1,user2...) for all these users having the
 261  * same timeoffset in their preferences.
 262  *
 263  * Visit the documentation pages under http://meta.wikipedia.com/Enotif
 264  *
 265  *
 266  */
 267 class EmailNotification {
 268         protected $to, $subject, $body, $replyto, $from;
 269         protected $user, $title, $timestamp, $summary, $minorEdit, $oldid, $composed_common, $editor;
 270         protected $mailTargets = array();
 271
 272         /**
 273          * Send emails corresponding to the user $editor editing the page $title.
 274          * Also updates wl_notificationtimestamp.
 275          *
 276          * May be deferred via the job queue.
 277          *
 278          * @param $editor User object
 279          * @param $title Title object
 280          * @param $timestamp
 281          * @param $summary
 282          * @param $minorEdit
 283          * @param $oldid (default: false)
 284          */
 285         function notifyOnPageChange($editor, $title, $timestamp, $summary, $minorEdit, $oldid = false) {
 286                 global $wgEnotifUseJobQ, $wgEnotifWatchlist, $wgShowUpdatedMarker;
 287
 288                 if ($title->getNamespace() < 0)
 289                         return;
 290
 291                 // Build a list of users to notfiy
 292                 $watchers = array();
 293                 if ($wgEnotifWatchlist || $wgShowUpdatedMarker) {
 294                         $dbw = wfGetDB( DB_MASTER );
 295                         $res = $dbw->select( array( 'watchlist' ),
 296                                 array( 'wl_user' ),
 297                                 array(
 298                                         'wl_title' => $title->getDBkey(),
 299                                         'wl_namespace' => $title->getNamespace(),
 300                                         'wl_user != ' . intval( $editor->getID() ),
 301                                         'wl_notificationtimestamp IS NULL',
 302                                 ), __METHOD__
 303                         );
 304                         while ($row = $dbw->fetchObject( $res ) ) {
 305                                 $watchers[] = intval( $row->wl_user );
 306                         }
 307                         if ($watchers) {
 308                                 // Update wl_notificationtimestamp for all watching users except
 309                                 // the editor
 310                                 $dbw->begin();
 311                                 $dbw->update( 'watchlist',
 312                                         array( /* SET */
 313                                                 'wl_notificationtimestamp' => $dbw->timestamp( $timestamp )
 314                                         ), array( /* WHERE */
 315                                                 'wl_title' => $title->getDBkey(),
 316                                                 'wl_namespace' => $title->getNamespace(),
 317                                                 'wl_user' => $watchers
 318                                         ), __METHOD__
 319                                 );
 320                                 $dbw->commit();
 321                         }
 322                 }
 323
 324                 if ($wgEnotifUseJobQ) {
 325                         $params = array(
 326                                 "editor" => $editor->getName(),
 327                                 "editorID" => $editor->getID(),
 328                                 "timestamp" => $timestamp,
 329                                 "summary" => $summary,
 330                                 "minorEdit" => $minorEdit,
 331                                 "oldid" => $oldid,
 332                                 "watchers" => $watchers);
 333                         $job = new EnotifNotifyJob( $title, $params );
 334                         $job->insert();
 335                 } else {
 336                         $this->actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers );
 337                 }
 338
 339         }
 340
 341         /*
 342          * Immediate version of notifyOnPageChange().
 343          *
 344          * Send emails corresponding to the user $editor editing the page $title.
 345          * Also updates wl_notificationtimestamp.
 346          *
 347          * @param $editor User object
 348          * @param $title Title object
 349          * @param $timestamp string Edit timestamp
 350          * @param $summary string Edit summary
 351          * @param $minorEdit bool
 352          * @param $oldid int Revision ID
 353          * @param $watchers array of user IDs
 354          */
 355         function actuallyNotifyOnPageChange($editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers) {
 356                 # we use $wgPasswordSender as sender's address
 357                 global $wgEnotifWatchlist;
 358                 global $wgEnotifMinorEdits, $wgEnotifUserTalk;
 359                 global $wgEnotifImpersonal;
 360
 361                 wfProfileIn( __METHOD__ );
 362
 363                 # The following code is only run, if several conditions are met:
 364                 # 1. EmailNotification for pages (other than user_talk pages) must be enabled
 365                 # 2. minor edits (changes) are only regarded if the global flag indicates so
 366
 367                 $isUserTalkPage = ($title->getNamespace() == NS_USER_TALK);
 368                 $enotifusertalkpage = ($isUserTalkPage && $wgEnotifUserTalk);
 369                 $enotifwatchlistpage = $wgEnotifWatchlist;
 370
 371                 $this->title = $title;
 372                 $this->timestamp = $timestamp;
 373                 $this->summary = $summary;
 374                 $this->minorEdit = $minorEdit;
 375                 $this->oldid = $oldid;
 376                 $this->editor = $editor;
 377                 $this->composed_common = false;
 378
 379                 $userTalkId = false;
 380
 381                 if ( !$minorEdit || ($wgEnotifMinorEdits && !$editor->isAllowed('nominornewtalk') ) ) {
 382                         if ( $wgEnotifUserTalk && $isUserTalkPage ) {
 383                                 $targetUser = User::newFromName( $title->getText() );
 384                                 if ( !$targetUser || $targetUser->isAnon() ) {
 385                                         wfDebug( __METHOD__.": user talk page edited, but user does not exist\n" );
 386                                 } elseif ( $targetUser->getId() == $editor->getId() ) {
 387                                         wfDebug( __METHOD__.": user edited their own talk page, no notification sent\n" );
 388                                 } elseif( $targetUser->getOption( 'enotifusertalkpages' ) ) {
 389                                         if( $targetUser->isEmailConfirmed() ) {
 390                                                 wfDebug( __METHOD__.": sending talk page update notification\n" );
 391                                                 $this->compose( $targetUser );
 392                                                 $userTalkId = $targetUser->getId();
 393                                         } else {
 394                                                 wfDebug( __METHOD__.": talk page owner doesn't have validated email\n" );
 395                                         }
 396                                 } else {
 397                                         wfDebug( __METHOD__.": talk page owner doesn't want notifications\n" );
 398                                 }
 399                         }
 400
 401                         if ( $wgEnotifWatchlist ) {
 402                                 // Send updates to watchers other than the current editor
 403                                 $userArray = UserArray::newFromIDs( $watchers );
 404                                 foreach ( $userArray as $watchingUser ) {
 405                                         if ( $watchingUser->getOption( 'enotifwatchlistpages' ) &&
 406                                                 ( !$minorEdit || $watchingUser->getOption('enotifminoredits') ) &&
 407                                                 $watchingUser->isEmailConfirmed() &&
 408                                                 $watchingUser->getID() != $userTalkId )
 409                                         {
 410                                                 $this->compose( $watchingUser );
 411                                         }
 412                                 }
 413                         }
 414                 }
 415
 416                 global $wgUsersNotifiedOnAllChanges;
 417                 foreach ( $wgUsersNotifiedOnAllChanges as $name ) {
 418                         $user = User::newFromName( $name );
 419                         $this->compose( $user );
 420                 }
 421
 422                 $this->sendMails();
 423                 wfProfileOut( __METHOD__ );
 424         }
 425
 426         /**
 427          * @private
 428          */
 429         function composeCommonMailtext() {
 430                 global $wgPasswordSender, $wgNoReplyAddress;
 431                 global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
 432                 global $wgEnotifImpersonal, $wgEnotifUseRealName;
 433
 434                 $this->composed_common = true;
 435
 436                 $summary = ($this->summary == '') ? ' - ' : $this->summary;
 437                 $medit   = ($this->minorEdit) ? wfMsg( 'minoredit' ) : '';
 438
 439                 # You as the WikiAdmin and Sysops can make use of plenty of
 440                 # named variables when composing your notification emails while
 441                 # simply editing the Meta pages
 442
 443                 $subject = wfMsgForContent( 'enotif_subject' );
 444                 $body    = wfMsgForContent( 'enotif_body' );
 445                 $from    = ''; /* fail safe */
 446                 $replyto = ''; /* fail safe */
 447                 $keys    = array();
 448
 449                 if( $this->oldid ) {
 450                         $difflink = $this->title->getFullUrl( 'diff=0&oldid=' . $this->oldid );
 451                         $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited', $difflink );
 452                         $keys['$OLDID']   = $this->oldid;
 453                         $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'changed' );
 454                 } else {
 455                         $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_newpagetext' );
 456                         # clear $OLDID placeholder in the message template
 457                         $keys['$OLDID']   = '';
 458                         $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'created' );
 459                 }
 460
 461                 if ($wgEnotifImpersonal && $this->oldid)
 462                         /*
 463                          * For impersonal mail, show a diff link to the last
 464                          * revision.
 465                          */
 466                         $keys['$NEWPAGE'] = wfMsgForContent('enotif_lastdiff',
 467                                         $this->title->getFullURL("oldid={$this->oldid}&diff=prev"));
 468
 469                 $body = strtr( $body, $keys );
 470                 $pagetitle = $this->title->getPrefixedText();
 471                 $keys['$PAGETITLE']          = $pagetitle;
 472                 $keys['$PAGETITLE_URL']      = $this->title->getFullUrl();
 473
 474                 $keys['$PAGEMINOREDIT']      = $medit;
 475                 $keys['$PAGESUMMARY']        = $summary;
 476                 $keys['$UNWATCHURL']         = $this->title->getFullUrl( 'action=unwatch' );
 477
 478                 $subject = strtr( $subject, $keys );
 479
 480                 # Reveal the page editor's address as REPLY-TO address only if
 481                 # the user has not opted-out and the option is enabled at the
 482                 # global configuration level.
 483                 $editor = $this->editor;
 484                 $name    = $wgEnotifUseRealName ? $editor->getRealName() : $editor->getName();
 485                 $adminAddress = new MailAddress( $wgPasswordSender, 'WikiAdmin' );
 486                 $editorAddress = new MailAddress( $editor );
 487                 if( $wgEnotifRevealEditorAddress
 488                     && ( $editor->getEmail() != '' )
 489                     && $editor->getOption( 'enotifrevealaddr' ) ) {
 490                         if( $wgEnotifFromEditor ) {
 491                                 $from    = $editorAddress;
 492                         } else {
 493                                 $from    = $adminAddress;
 494                                 $replyto = $editorAddress;
 495                         }
 496                 } else {
 497                         $from    = $adminAddress;
 498                         $replyto = new MailAddress( $wgNoReplyAddress );
 499                 }
 500
 501                 if( $editor->isIP( $name ) ) {
 502                         #real anon (user:xxx.xxx.xxx.xxx)
 503                         $utext = wfMsgForContent('enotif_anon_editor', $name);
 504                         $subject = str_replace('$PAGEEDITOR', $utext, $subject);
 505                         $keys['$PAGEEDITOR']       = $utext;
 506                         $keys['$PAGEEDITOR_EMAIL'] = wfMsgForContent( 'noemailtitle' );
 507                 } else {
 508                         $subject = str_replace('$PAGEEDITOR', $name, $subject);
 509                         $keys['$PAGEEDITOR']          = $name;
 510                         $emailPage = SpecialPage::getSafeTitleFor( 'Emailuser', $name );
 511                         $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getFullUrl();
 512                 }
 513                 $userPage = $editor->getUserPage();
 514                 $keys['$PAGEEDITOR_WIKI'] = $userPage->getFullUrl();
 515                 $body = strtr( $body, $keys );
 516                 $body = wordwrap( $body, 72 );
 517
 518                 # now save this as the constant user-independent part of the message
 519                 $this->from    = $from;
 520                 $this->replyto = $replyto;
 521                 $this->subject = $subject;
 522                 $this->body    = $body;
 523         }
 524
 525         /**
 526          * Compose a mail to a given user and either queue it for sending, or send it now,
 527          * depending on settings.
 528          *
 529          * Call sendMails() to send any mails that were queued.
 530          */
 531         function compose( $user ) {
 532                 global $wgEnotifImpersonal;
 533
 534                 if ( !$this->composed_common )
 535                         $this->composeCommonMailtext();
 536
 537                 if ( $wgEnotifImpersonal ) {
 538                         $this->mailTargets[] = new MailAddress( $user );
 539                 } else {
 540                         $this->sendPersonalised( $user );
 541                 }
 542         }
 543
 544         /**
 545          * Send any queued mails
 546          */
 547         function sendMails() {
 548                 global $wgEnotifImpersonal;
 549                 if ( $wgEnotifImpersonal ) {
 550                         $this->sendImpersonal( $this->mailTargets );
 551                 }
 552         }
 553
 554         /**
 555          * Does the per-user customizations to a notification e-mail (name,
 556          * timestamp in proper timezone, etc) and sends it out.
 557          * Returns true if the mail was sent successfully.
 558          *
 559          * @param User $watchingUser
 560          * @param object $mail
 561          * @return bool
 562          * @private
 563          */
 564         function sendPersonalised( $watchingUser ) {
 565                 global $wgContLang, $wgEnotifUseRealName;
 566                 // From the PHP manual:
 567                 //     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>".
 568                 //     The mail command will not parse this properly while talking with the MTA.
 569                 $to = new MailAddress( $watchingUser );
 570                 $name = $wgEnotifUseRealName ? $watchingUser->getRealName() : $watchingUser->getName();
 571                 $body = str_replace( '$WATCHINGUSERNAME', $name , $this->body );
 572
 573                 $timecorrection = $watchingUser->getOption( 'timecorrection' );
 574
 575                 # $PAGEEDITDATE is the time and date of the page change
 576                 # expressed in terms of individual local time of the notification
 577                 # recipient, i.e. watching user
 578                 $body = str_replace(
 579                         array(  '$PAGEEDITDATEANDTIME',
 580                                 '$PAGEEDITDATE',
 581                                 '$PAGEEDITTIME' ),
 582                         array(  $wgContLang->timeanddate( $this->timestamp, true, false, $timecorrection ),
 583                                 $wgContLang->date( $this->timestamp, true, false, $timecorrection ),
 584                                 $wgContLang->time( $this->timestamp, true, false, $timecorrection ) ),
 585                         $body);
 586
 587                 return UserMailer::send($to, $this->from, $this->subject, $body, $this->replyto);
 588         }
 589
 590         /**
 591          * Same as sendPersonalised but does impersonal mail suitable for bulk
 592          * mailing.  Takes an array of MailAddress objects.
 593          */
 594         function sendImpersonal( $addresses ) {
 595                 global $wgContLang;
 596
 597                 if (empty($addresses))
 598                         return;
 599
 600                 $body = str_replace(
 601                                 array(  '$WATCHINGUSERNAME',
 602                                         '$PAGEEDITDATE'),
 603                                 array(  wfMsgForContent('enotif_impersonal_salutation'),
 604                                         $wgContLang->timeanddate($this->timestamp, true, false, false)),
 605                                 $this->body);
 606
 607                 return UserMailer::send($addresses, $this->from, $this->subject, $body, $this->replyto);
 608         }
 609
 610 } # end of class EmailNotification
 611
 612 /**
 613  * Backwards compatibility functions
 614  */
 615 function wfRFC822Phrase( $s ) {
 616         return UserMailer::rfc822Phrase( $s );
 617 }
 618
 619 function userMailer( $to, $from, $subject, $body, $replyto=null ) {
 620         return UserMailer::send( $to, $from, $subject, $body, $replyto );
 621 }