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