includes/UserMailer.php

   1 <?php
   2 /**
   3  * Classes used to send e-mails
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @author <brion@pobox.com>
  22  * @author <mail@tgries.de>
  23  * @author Tim Starling
  24  */
  25
  26
  27 /**
  28  * Stores a single person's name and email address.
  29  * These are passed in via the constructor, and will be returned in SMTP
  30  * header format when requested.
  31  */
  32 class MailAddress {
  33         /**
  34          * @param $address Mixed: string with an email address, or a User object
  35          * @param $name String: human-readable name if a string address is given
  36          * @param $realName String: human-readable real name if a string address is given
  37          */
  38         function __construct( $address, $name = null, $realName = null ) {
  39                 if ( is_object( $address ) && $address instanceof User ) {
  40                         $this->address = $address->getEmail();
  41                         $this->name = $address->getName();
  42                         $this->realName = $address->getRealName();
  43                 } else {
  44                         $this->address = strval( $address );
  45                         $this->name = strval( $name );
  46                         $this->realName = strval( $realName );
  47                 }
  48         }
  49
  50         /**
  51          * Return formatted and quoted address to insert into SMTP headers
  52          * @return string
  53          */
  54         function toString() {
  55                 # PHP's mail() implementation under Windows is somewhat shite, and
  56                 # can't handle "Joe Bloggs <joe@bloggs.com>" format email addresses,
  57                 # so don't bother generating them
  58                 if ( $this->name != '' && !wfIsWindows() ) {
  59                         global $wgEnotifUseRealName;
  60                         $name = ( $wgEnotifUseRealName && $this->realName ) ? $this->realName : $this->name;
  61                         $quoted = UserMailer::quotedPrintable( $name );
  62                         if ( strpos( $quoted, '.' ) !== false || strpos( $quoted, ',' ) !== false ) {
  63                                 $quoted = '"' . $quoted . '"';
  64                         }
  65                         return "$quoted <{$this->address}>";
  66                 } else {
  67                         return $this->address;
  68                 }
  69         }
  70
  71         function __toString() {
  72                 return $this->toString();
  73         }
  74 }
  75
  76
  77 /**
  78  * Collection of static functions for sending mail
  79  */
  80 class UserMailer {
  81         static $mErrorString;
  82
  83         /**
  84          * Send mail using a PEAR mailer
  85          */
  86         protected static function sendWithPear( $mailer, $dest, $headers, $body ) {
  87                 $mailResult = $mailer->send( $dest, $headers, $body );
  88
  89                 # Based on the result return an error string,
  90                 if ( PEAR::isError( $mailResult ) ) {
  91                         wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
  92                         return Status::newFatal( 'pear-mail-error', $mailResult->getMessage() );
  93                 } else {
  94                         return Status::newGood();
  95                 }
  96         }
  97
  98         /**
  99          * This function will perform a direct (authenticated) login to
 100          * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
 101          * array of parameters. It requires PEAR:Mail to do that.
 102          * Otherwise it just uses the standard PHP 'mail' function.
 103          *
 104          * @param $to MailAddress: recipient's email (or an array of them)
 105          * @param $from MailAddress: sender's email
 106          * @param $subject String: email's subject.
 107          * @param $body String: email's text.
 108          * @param $replyto MailAddress: optional reply-to email (default: null).
 109          * @param $contentType String: optional custom Content-Type
 110          * @return Status object
 111          */
 112         public static function send( $to, $from, $subject, $body, $replyto = null, $contentType = null ) {
 113                 global $wgSMTP, $wgOutputEncoding, $wgEnotifImpersonal;
 114                 global $wgEnotifMaxRecips, $wgAdditionalMailParams;
 115
 116                 if ( is_array( $to ) ) {
 117                         // This wouldn't be necessary if implode() worked on arrays of
 118                         // objects using __toString(). http://bugs.php.net/bug.php?id=36612
 119                         foreach ( $to as $t ) {
 120                                 $emails .= $t->toString() . ",";
 121                         }
 122                         $emails = rtrim( $emails, ',' );
 123                         wfDebug( __METHOD__ . ': sending mail to ' . $emails . "\n" );
 124                 } else {
 125                         wfDebug( __METHOD__ . ': sending mail to ' . implode( ',', array( $to->toString() ) ) . "\n" );
 126                 }
 127
 128                 if ( is_array( $wgSMTP ) ) {
 129                         $found = false;
 130                         $pathArray = explode( PATH_SEPARATOR, get_include_path() );
 131                         foreach ( $pathArray as $path ) {
 132                                 if ( file_exists( $path . DIRECTORY_SEPARATOR . 'Mail.php' ) ) {
 133                                         $found = true;
 134                                         break;
 135                                 }
 136                         }
 137                         if ( !$found ) {
 138                                 throw new MWException( 'PEAR mail package is not installed' );
 139                         }
 140                         require_once( 'Mail.php' );
 141
 142                         $msgid = str_replace( " ", "_", microtime() );
 143                         if ( function_exists( 'posix_getpid' ) )
 144                                 $msgid .= '.' . posix_getpid();
 145
 146                         if ( is_array( $to ) ) {
 147                                 $dest = array();
 148                                 foreach ( $to as $u )
 149                                         $dest[] = $u->address;
 150                         } else
 151                                 $dest = $to->address;
 152
 153                         $headers['From'] = $from->toString();
 154
 155                         if ( $wgEnotifImpersonal ) {
 156                                 $headers['To'] = 'undisclosed-recipients:;';
 157                         }
 158                         else {
 159                                 $headers['To'] = implode( ", ", (array )$dest );
 160                         }
 161
 162                         if ( $replyto ) {
 163                                 $headers['Reply-To'] = $replyto->toString();
 164                         }
 165                         $headers['Subject'] = self::quotedPrintable( $subject );
 166                         $headers['Date'] = date( 'r' );
 167                         $headers['MIME-Version'] = '1.0';
 168                         $headers['Content-type'] = ( is_null( $contentType ) ?
 169                                         'text/plain; charset=' . $wgOutputEncoding : $contentType );
 170                         $headers['Content-transfer-encoding'] = '8bit';
 171                         $headers['Message-ID'] = "<$msgid@" . $wgSMTP['IDHost'] . '>'; // FIXME
 172                         $headers['X-Mailer'] = 'MediaWiki mailer';
 173
 174                         wfSuppressWarnings();
 175
 176                         // Create the mail object using the Mail::factory method
 177                         $mail_object =& Mail::factory( 'smtp', $wgSMTP );
 178                         if ( PEAR::isError( $mail_object ) ) {
 179                                 wfDebug( "PEAR::Mail factory failed: " . $mail_object->getMessage() . "\n" );
 180                                 wfRestoreWarnings();
 181                                 return Status::newFatal( 'pear-mail-error', $mail_object->getMessage() );
 182                         }
 183
 184                         wfDebug( "Sending mail via PEAR::Mail to $dest\n" );
 185                         $chunks = array_chunk( (array)$dest, $wgEnotifMaxRecips );
 186                         foreach ( $chunks as $chunk ) {
 187                                 $status = self::sendWithPear( $mail_object, $chunk, $headers, $body );
 188                                 if ( !$status->isOK() ) {
 189                                         wfRestoreWarnings();
 190                                         return $status;
 191                                 }
 192                         }
 193                         wfRestoreWarnings();
 194                         return Status::newGood();
 195                 } else  {
 196                         # In the following $headers = expression we removed "Reply-To: {$from}\r\n" , because it is treated differently
 197                         # (fifth parameter of the PHP mail function, see some lines below)
 198
 199                         # Line endings need to be different on Unix and Windows due to
 200                         # the bug described at http://trac.wordpress.org/ticket/2603
 201                         if ( wfIsWindows() ) {
 202                                 $body = str_replace( "\n", "\r\n", $body );
 203                                 $endl = "\r\n";
 204                         } else {
 205                                 $endl = "\n";
 206                         }
 207                         $ctype = ( is_null( $contentType ) ?
 208                                         'text/plain; charset=' . $wgOutputEncoding : $contentType );
 209                         $headers =
 210                                 "MIME-Version: 1.0$endl" .
 211                                 "Content-type: $ctype$endl" .
 212                                 "Content-Transfer-Encoding: 8bit$endl" .
 213                                 "X-Mailer: MediaWiki mailer$endl" .
 214                                 'From: ' . $from->toString();
 215                         if ( $replyto ) {
 216                                 $headers .= "{$endl}Reply-To: " . $replyto->toString();
 217                         }
 218
 219                         wfDebug( "Sending mail via internal mail() function\n" );
 220
 221                         self::$mErrorString = '';
 222                         $html_errors = ini_get( 'html_errors' );
 223                         ini_set( 'html_errors', '0' );
 224                         set_error_handler( array( 'UserMailer', 'errorHandler' ) );
 225
 226                         // We need to check for safe_mode, because mail() throws an E_NOTICE
 227                         // on the 5th parameter when it's turned on
 228                         $sm = wfIniGetBool( 'safe_mode' );
 229
 230                         if ( !is_array( $to ) ) {
 231                                 $to = array( $to );
 232                         }
 233                         foreach ( $to as $recip ) {
 234                                 if( $sm ) {
 235                                         $sent = mail( $recip->toString(), self::quotedPrintable( $subject ), $body, $headers );
 236                                 } else {
 237                                         $sent = mail( $recip->toString(), self::quotedPrintable( $subject ), $body, $headers, $wgAdditionalMailParams );
 238                                 }
 239                         }
 240
 241                         restore_error_handler();
 242                         ini_set( 'html_errors', $html_errors );
 243
 244                         if ( self::$mErrorString ) {
 245                                 wfDebug( "Error sending mail: " . self::$mErrorString . "\n" );
 246                                 return Status::newFatal( 'php-mail-error', self::$mErrorString );
 247                         } elseif ( ! $sent ) {
 248                                 // mail function only tells if there's an error
 249                                 wfDebug( "Error sending mail\n" );
 250                                 return Status::newFatal( 'php-mail-error-unknown' );
 251                         } else {
 252                                 return Status::newGood();
 253                         }
 254                 }
 255         }
 256
 257         /**
 258          * Set the mail error message in self::$mErrorString
 259          *
 260          * @param $code Integer: error number
 261          * @param $string String: error message
 262          */
 263         static function errorHandler( $code, $string ) {
 264                 self::$mErrorString = preg_replace( '/^mail\(\)(\s*\[.*?\])?: /', '', $string );
 265         }
 266
 267         /**
 268          * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
 269          */
 270         public static function rfc822Phrase( $phrase ) {
 271                 $phrase = strtr( $phrase, array( "\r" => '', "\n" => '', '"' => '' ) );
 272                 return '"' . $phrase . '"';
 273         }
 274
 275         /**
 276          * Converts a string into quoted-printable format
 277          * @since 1.17
 278          */
 279         public static function quotedPrintable( $string, $charset = '' ) {
 280                 # Probably incomplete; see RFC 2045
 281                 if( empty( $charset ) ) {
 282                         global $wgInputEncoding;
 283                         $charset = $wgInputEncoding;
 284                 }
 285                 $charset = strtoupper( $charset );
 286                 $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
 287
 288                 $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
 289                 $replace = $illegal . '\t ?_';
 290                 if( !preg_match( "/[$illegal]/", $string ) ) {
 291                         return $string;
 292                 }
 293                 $out = "=?$charset?Q?";
 294                 $out .= preg_replace( "/([$replace])/e", 'sprintf("=%02X",ord("$1"))', $string );
 295                 $out .= '?=';
 296                 return $out;
 297         }
 298 }
 299
 300 /**
 301  * This module processes the email notifications when the current page is
 302  * changed. It looks up the table watchlist to find out which users are watching
 303  * that page.
 304  *
 305  * The current implementation sends independent emails to each watching user for
 306  * the following reason:
 307  *
 308  * - Each watching user will be notified about the page edit time expressed in
 309  * his/her local time (UTC is shown additionally). To achieve this, we need to
 310  * find the individual timeoffset of each watching user from the preferences..
 311  *
 312  * Suggested improvement to slack down the number of sent emails: We could think
 313  * of sending out bulk mails (bcc:user1,user2...) for all these users having the
 314  * same timeoffset in their preferences.
 315  *
 316  * Visit the documentation pages under http://meta.wikipedia.com/Enotif
 317  *
 318  *
 319  */
 320 class EmailNotification {
 321         protected $to, $subject, $body, $replyto, $from;
 322         protected $user, $title, $timestamp, $summary, $minorEdit, $oldid, $composed_common, $editor;
 323         protected $mailTargets = array();
 324
 325         /**
 326          * Send emails corresponding to the user $editor editing the page $title.
 327          * Also updates wl_notificationtimestamp.
 328          *
 329          * May be deferred via the job queue.
 330          *
 331          * @param $editor User object
 332          * @param $title Title object
 333          * @param $timestamp
 334          * @param $summary
 335          * @param $minorEdit
 336          * @param $oldid (default: false)
 337          */
 338         public function notifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid = false ) {
 339                 global $wgEnotifUseJobQ, $wgEnotifWatchlist, $wgShowUpdatedMarker;
 340
 341                 if ( $title->getNamespace() < 0 )
 342                         return;
 343
 344                 // Build a list of users to notfiy
 345                 $watchers = array();
 346                 if ( $wgEnotifWatchlist || $wgShowUpdatedMarker ) {
 347                         $dbw = wfGetDB( DB_MASTER );
 348                         $res = $dbw->select( array( 'watchlist' ),
 349                                 array( 'wl_user' ),
 350                                 array(
 351                                         'wl_title' => $title->getDBkey(),
 352                                         'wl_namespace' => $title->getNamespace(),
 353                                         'wl_user != ' . intval( $editor->getID() ),
 354                                         'wl_notificationtimestamp IS NULL',
 355                                 ), __METHOD__
 356                         );
 357                         foreach ( $res as $row ) {
 358                                 $watchers[] = intval( $row->wl_user );
 359                         }
 360                         if ( $watchers ) {
 361                                 // Update wl_notificationtimestamp for all watching users except
 362                                 // the editor
 363                                 $dbw->begin();
 364                                 $dbw->update( 'watchlist',
 365                                         array( /* SET */
 366                                                 'wl_notificationtimestamp' => $dbw->timestamp( $timestamp )
 367                                         ), array( /* WHERE */
 368                                                 'wl_title' => $title->getDBkey(),
 369                                                 'wl_namespace' => $title->getNamespace(),
 370                                                 'wl_user' => $watchers
 371                                         ), __METHOD__
 372                                 );
 373                                 $dbw->commit();
 374                         }
 375                 }
 376
 377                 if ( $wgEnotifUseJobQ ) {
 378                         $params = array(
 379                                 "editor" => $editor->getName(),
 380                                 "editorID" => $editor->getID(),
 381                                 "timestamp" => $timestamp,
 382                                 "summary" => $summary,
 383                                 "minorEdit" => $minorEdit,
 384                                 "oldid" => $oldid,
 385                                 "watchers" => $watchers );
 386                         $job = new EnotifNotifyJob( $title, $params );
 387                         $job->insert();
 388                 } else {
 389                         $this->actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers );
 390                 }
 391
 392         }
 393
 394         /*
 395          * Immediate version of notifyOnPageChange().
 396          *
 397          * Send emails corresponding to the user $editor editing the page $title.
 398          * Also updates wl_notificationtimestamp.
 399          *
 400          * @param $editor User object
 401          * @param $title Title object
 402          * @param $timestamp string Edit timestamp
 403          * @param $summary string Edit summary
 404          * @param $minorEdit bool
 405          * @param $oldid int Revision ID
 406          * @param $watchers array of user IDs
 407          */
 408         public function actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers ) {
 409                 # we use $wgPasswordSender as sender's address
 410                 global $wgEnotifWatchlist;
 411                 global $wgEnotifMinorEdits, $wgEnotifUserTalk;
 412
 413                 wfProfileIn( __METHOD__ );
 414
 415                 # The following code is only run, if several conditions are met:
 416                 # 1. EmailNotification for pages (other than user_talk pages) must be enabled
 417                 # 2. minor edits (changes) are only regarded if the global flag indicates so
 418
 419                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 420
 421                 $this->title = $title;
 422                 $this->timestamp = $timestamp;
 423                 $this->summary = $summary;
 424                 $this->minorEdit = $minorEdit;
 425                 $this->oldid = $oldid;
 426                 $this->editor = $editor;
 427                 $this->composed_common = false;
 428
 429                 $userTalkId = false;
 430
 431                 if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
 432                         if ( $wgEnotifUserTalk && $isUserTalkPage ) {
 433                                 $targetUser = User::newFromName( $title->getText() );
 434                                 if ( !$targetUser || $targetUser->isAnon() ) {
 435                                         wfDebug( __METHOD__ . ": user talk page edited, but user does not exist\n" );
 436                                 } elseif ( $targetUser->getId() == $editor->getId() ) {
 437                                         wfDebug( __METHOD__ . ": user edited their own talk page, no notification sent\n" );
 438                                 } elseif ( $targetUser->getOption( 'enotifusertalkpages' ) ) {
 439                                         if ( $targetUser->isEmailConfirmed() ) {
 440                                                 wfDebug( __METHOD__ . ": sending talk page update notification\n" );
 441                                                 $this->compose( $targetUser );
 442                                                 $userTalkId = $targetUser->getId();
 443                                         } else {
 444                                                 wfDebug( __METHOD__ . ": talk page owner doesn't have validated email\n" );
 445                                         }
 446                                 } else {
 447                                         wfDebug( __METHOD__ . ": talk page owner doesn't want notifications\n" );
 448                                 }
 449                         }
 450
 451                         if ( $wgEnotifWatchlist ) {
 452                                 // Send updates to watchers other than the current editor
 453                                 $userArray = UserArray::newFromIDs( $watchers );
 454                                 foreach ( $userArray as $watchingUser ) {
 455                                         if ( $watchingUser->getOption( 'enotifwatchlistpages' ) &&
 456                                                 ( !$minorEdit || $watchingUser->getOption( 'enotifminoredits' ) ) &&
 457                                                 $watchingUser->isEmailConfirmed() &&
 458                                                 $watchingUser->getID() != $userTalkId )
 459                                         {
 460                                                 $this->compose( $watchingUser );
 461                                         }
 462                                 }
 463                         }
 464                 }
 465
 466                 global $wgUsersNotifiedOnAllChanges;
 467                 foreach ( $wgUsersNotifiedOnAllChanges as $name ) {
 468                         $user = User::newFromName( $name );
 469                         $this->compose( $user );
 470                 }
 471
 472                 $this->sendMails();
 473                 wfProfileOut( __METHOD__ );
 474         }
 475
 476         /**
 477          * Generate the generic "this page has been changed" e-mail text.
 478          */
 479         private function composeCommonMailtext() {
 480                 global $wgPasswordSender, $wgPasswordSenderName, $wgNoReplyAddress;
 481                 global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
 482                 global $wgEnotifImpersonal, $wgEnotifUseRealName;
 483
 484                 $this->composed_common = true;
 485
 486                 $summary = ( $this->summary == '' ) ? ' - ' : $this->summary;
 487                 $medit   = ( $this->minorEdit ) ? wfMsgForContent( 'minoredit' ) : '';
 488
 489                 # You as the WikiAdmin and Sysops can make use of plenty of
 490                 # named variables when composing your notification emails while
 491                 # simply editing the Meta pages
 492
 493                 $subject = wfMsgForContent( 'enotif_subject' );
 494                 $body    = wfMsgForContent( 'enotif_body' );
 495                 $from    = ''; /* fail safe */
 496                 $replyto = ''; /* fail safe */
 497                 $keys    = array();
 498
 499                 if ( $this->oldid ) {
 500                         $difflink = $this->title->getFullUrl( 'diff=0&oldid=' . $this->oldid );
 501                         $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited', $difflink );
 502                         $keys['$OLDID']   = $this->oldid;
 503                         $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'changed' );
 504                 } else {
 505                         $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_newpagetext' );
 506                         # clear $OLDID placeholder in the message template
 507                         $keys['$OLDID']   = '';
 508                         $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'created' );
 509                 }
 510
 511                 if ( $wgEnotifImpersonal && $this->oldid ) {
 512                         /*
 513                          * For impersonal mail, show a diff link to the last
 514                          * revision.
 515                          */
 516                         $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastdiff',
 517                                         $this->title->getFullURL( "oldid={$this->oldid}&diff=next" ) );
 518         }
 519
 520                 $body = strtr( $body, $keys );
 521                 $pagetitle = $this->title->getPrefixedText();
 522                 $keys['$PAGETITLE']          = $pagetitle;
 523                 $keys['$PAGETITLE_URL']      = $this->title->getFullUrl();
 524
 525                 $keys['$PAGEMINOREDIT']      = $medit;
 526                 $keys['$PAGESUMMARY']        = $summary;
 527                 $keys['$UNWATCHURL']         = $this->title->getFullUrl( 'action=unwatch' );
 528
 529                 $subject = strtr( $subject, $keys );
 530
 531                 # Reveal the page editor's address as REPLY-TO address only if
 532                 # the user has not opted-out and the option is enabled at the
 533                 # global configuration level.
 534                 $editor = $this->editor;
 535                 $name    = $wgEnotifUseRealName ? $editor->getRealName() : $editor->getName();
 536                 $adminAddress = new MailAddress( $wgPasswordSender, $wgPasswordSenderName );
 537                 $editorAddress = new MailAddress( $editor );
 538                 if ( $wgEnotifRevealEditorAddress
 539                     && ( $editor->getEmail() != '' )
 540                     && $editor->getOption( 'enotifrevealaddr' ) ) {
 541                         if ( $wgEnotifFromEditor ) {
 542                                 $from    = $editorAddress;
 543                         } else {
 544                                 $from    = $adminAddress;
 545                                 $replyto = $editorAddress;
 546                         }
 547                 } else {
 548                         $from    = $adminAddress;
 549                         $replyto = new MailAddress( $wgNoReplyAddress );
 550                 }
 551
 552                 if ( $editor->isIP( $name ) ) {
 553                         # real anon (user:xxx.xxx.xxx.xxx)
 554                         $utext = wfMsgForContent( 'enotif_anon_editor', $name );
 555                         $subject = str_replace( '$PAGEEDITOR', $utext, $subject );
 556                         $keys['$PAGEEDITOR']       = $utext;
 557                         $keys['$PAGEEDITOR_EMAIL'] = wfMsgForContent( 'noemailtitle' );
 558                 } else {
 559                         $subject = str_replace( '$PAGEEDITOR', $name, $subject );
 560                         $keys['$PAGEEDITOR']          = $name;
 561                         $emailPage = SpecialPage::getSafeTitleFor( 'Emailuser', $name );
 562                         $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getFullUrl();
 563                 }
 564                 $userPage = $editor->getUserPage();
 565                 $keys['$PAGEEDITOR_WIKI'] = $userPage->getFullUrl();
 566                 $body = strtr( $body, $keys );
 567                 $body = wordwrap( $body, 72 );
 568
 569                 # now save this as the constant user-independent part of the message
 570                 $this->from    = $from;
 571                 $this->replyto = $replyto;
 572                 $this->subject = $subject;
 573                 $this->body    = $body;
 574         }
 575
 576         /**
 577          * Compose a mail to a given user and either queue it for sending, or send it now,
 578          * depending on settings.
 579          *
 580          * Call sendMails() to send any mails that were queued.
 581          */
 582         function compose( $user ) {
 583                 global $wgEnotifImpersonal;
 584
 585                 if ( !$this->composed_common )
 586                         $this->composeCommonMailtext();
 587
 588                 if ( $wgEnotifImpersonal ) {
 589                         $this->mailTargets[] = new MailAddress( $user );
 590                 } else {
 591                         $this->sendPersonalised( $user );
 592                 }
 593         }
 594
 595         /**
 596          * Send any queued mails
 597          */
 598         function sendMails() {
 599                 global $wgEnotifImpersonal;
 600                 if ( $wgEnotifImpersonal ) {
 601                         $this->sendImpersonal( $this->mailTargets );
 602                 }
 603         }
 604
 605         /**
 606          * Does the per-user customizations to a notification e-mail (name,
 607          * timestamp in proper timezone, etc) and sends it out.
 608          * Returns true if the mail was sent successfully.
 609          *
 610          * @param $watchingUser User object
 611          * @return Boolean
 612          * @private
 613          */
 614         function sendPersonalised( $watchingUser ) {
 615                 global $wgContLang, $wgEnotifUseRealName;
 616                 // From the PHP manual:
 617                 //     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>".
 618                 //     The mail command will not parse this properly while talking with the MTA.
 619                 $to = new MailAddress( $watchingUser );
 620                 $name = $wgEnotifUseRealName ? $watchingUser->getRealName() : $watchingUser->getName();
 621                 $body = str_replace( '$WATCHINGUSERNAME', $name, $this->body );
 622
 623                 $timecorrection = $watchingUser->getOption( 'timecorrection' );
 624
 625                 # $PAGEEDITDATE is the time and date of the page change
 626                 # expressed in terms of individual local time of the notification
 627                 # recipient, i.e. watching user
 628                 $body = str_replace(
 629                         array( '$PAGEEDITDATEANDTIME',
 630                                 '$PAGEEDITDATE',
 631                                 '$PAGEEDITTIME' ),
 632                         array( $wgContLang->timeanddate( $this->timestamp, true, false, $timecorrection ),
 633                                 $wgContLang->date( $this->timestamp, true, false, $timecorrection ),
 634                                 $wgContLang->time( $this->timestamp, true, false, $timecorrection ) ),
 635                         $body );
 636
 637                 return UserMailer::send( $to, $this->from, $this->subject, $body, $this->replyto );
 638         }
 639
 640         /**
 641          * Same as sendPersonalised but does impersonal mail suitable for bulk
 642          * mailing.  Takes an array of MailAddress objects.
 643          */
 644         function sendImpersonal( $addresses ) {
 645                 global $wgContLang;
 646
 647                 if ( empty( $addresses ) )
 648                         return;
 649
 650                 $body = str_replace(
 651                                 array( '$WATCHINGUSERNAME',
 652                                         '$PAGEEDITDATE' ),
 653                                 array( wfMsgForContent( 'enotif_impersonal_salutation' ),
 654                                         $wgContLang->timeanddate( $this->timestamp, true, false, false ) ),
 655                                 $this->body );
 656
 657                 return UserMailer::send( $addresses, $this->from, $this->subject, $body, $this->replyto );
 658         }
 659
 660 } # end of class EmailNotification
 661
 662 /**@{
 663  * Backwards compatibility functions
 664  *
 665  * @deprecated Use UserMailer method deprecated in 1.18, remove in 1.19.
 666  */
 667 function wfRFC822Phrase( $s ) {
 668         wfDeprecated( __FUNCTION__ );
 669         return UserMailer::rfc822Phrase( $s );
 670 }
 671
 672 /**
 673  * @deprecated Use UserMailer method deprecated in 1.18, remove in 1.19.
 674  */
 675 function userMailer( $to, $from, $subject, $body, $replyto = null ) {
 676         wfDeprecated( __FUNCTION__ );
 677         return UserMailer::send( $to, $from, $subject, $body, $replyto );
 678 }
 679
 680 /**@}*/