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  * @author Luke Welling lwelling@wikimedia.org
  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 string|User $address string with an email address, or a User object
  35          * @param string $name human-readable name if a string address is given
  36          * @param string $realName 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->address ) {
  59                         if ( $this->name != '' && !wfIsWindows() ) {
  60                                 global $wgEnotifUseRealName;
  61                                 $name = ( $wgEnotifUseRealName && $this->realName ) ? $this->realName : $this->name;
  62                                 $quoted = UserMailer::quotedPrintable( $name );
  63                                 if ( strpos( $quoted, '.' ) !== false || strpos( $quoted, ',' ) !== false ) {
  64                                         $quoted = '"' . $quoted . '"';
  65                                 }
  66                                 return "$quoted <{$this->address}>";
  67                         } else {
  68                                 return $this->address;
  69                         }
  70                 } else {
  71                         return "";
  72                 }
  73         }
  74
  75         function __toString() {
  76                 return $this->toString();
  77         }
  78 }
  79
  80 /**
  81  * Collection of static functions for sending mail
  82  */
  83 class UserMailer {
  84         static $mErrorString;
  85
  86         /**
  87          * Send mail using a PEAR mailer
  88          *
  89          * @param $mailer
  90          * @param $dest
  91          * @param $headers
  92          * @param $body
  93          *
  94          * @return Status
  95          */
  96         protected static function sendWithPear( $mailer, $dest, $headers, $body ) {
  97                 $mailResult = $mailer->send( $dest, $headers, $body );
  98
  99                 # Based on the result return an error string,
 100                 if ( PEAR::isError( $mailResult ) ) {
 101                         wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
 102                         return Status::newFatal( 'pear-mail-error', $mailResult->getMessage() );
 103                 } else {
 104                         return Status::newGood();
 105                 }
 106         }
 107
 108         /**
 109          * Creates a single string from an associative array
 110          *
 111          * @param array $headers Associative Array: keys are header field names,
 112          *                 values are ... values.
 113          * @param string $endl The end of line character.  Defaults to "\n"
 114          *
 115          * Note RFC2822 says newlines must be CRLF (\r\n)
 116          * but php mail naively "corrects" it and requires \n for the "correction" to work
 117          *
 118          * @return String
 119          */
 120         static function arrayToHeaderString( $headers, $endl = "\n" ) {
 121                 $strings = array();
 122                 foreach( $headers as $name => $value ) {
 123                         $strings[] = "$name: $value";
 124                 }
 125                 return implode( $endl, $strings );
 126         }
 127
 128         /**
 129          * Create a value suitable for the MessageId Header
 130          *
 131          * @return String
 132          */
 133         static function makeMsgId() {
 134                 global $wgSMTP, $wgServer;
 135
 136                 $msgid = uniqid( wfWikiID() . ".", true ); /* true required for cygwin */
 137                 if ( is_array( $wgSMTP ) && isset( $wgSMTP['IDHost'] ) && $wgSMTP['IDHost'] ) {
 138                         $domain = $wgSMTP['IDHost'];
 139                 } else {
 140                         $url = wfParseUrl( $wgServer );
 141                         $domain = $url['host'];
 142                 }
 143                 return "<$msgid@$domain>";
 144         }
 145
 146         /**
 147          * This function will perform a direct (authenticated) login to
 148          * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
 149          * array of parameters. It requires PEAR:Mail to do that.
 150          * Otherwise it just uses the standard PHP 'mail' function.
 151          *
 152          * @param $to MailAddress: recipient's email (or an array of them)
 153          * @param $from MailAddress: sender's email
 154          * @param string $subject email's subject.
 155          * @param string $body email's text or Array of two strings to be the text and html bodies
 156          * @param $replyto MailAddress: optional reply-to email (default: null).
 157          * @param string $contentType optional custom Content-Type (default: text/plain; charset=UTF-8)
 158          * @throws MWException
 159          * @return Status object
 160          */
 161         public static function send( $to, $from, $subject, $body, $replyto = null, $contentType = 'text/plain; charset=UTF-8' ) {
 162                 global $wgSMTP, $wgEnotifMaxRecips, $wgAdditionalMailParams, $wgAllowHTMLEmail;
 163                 $mime = null;
 164                 if ( !is_array( $to ) ) {
 165                         $to = array( $to );
 166                 }
 167
 168                 // mail body must have some content
 169                 $minBodyLen = 10;
 170                 // arbitrary but longer than Array or Object to detect casting error
 171
 172                 // body must either be a string or an array with text and body
 173                 if (
 174                         !(
 175                                 !is_array( $body ) &&
 176                                 strlen( $body ) >= $minBodyLen
 177                         )
 178                         &&
 179                         !(
 180                                 is_array( $body ) &&
 181                                 isset( $body['text'] ) &&
 182                                 isset( $body['html'] ) &&
 183                                 strlen( $body['text'] ) >= $minBodyLen &&
 184                                 strlen( $body['html'] ) >= $minBodyLen
 185                         )
 186                 ) {
 187                         // if it is neither we have a problem
 188                         return Status::newFatal( 'user-mail-no-body' );
 189                 }
 190
 191                 if ( !$wgAllowHTMLEmail && is_array( $body ) ) {
 192                         // HTML not wanted.  Dump it.
 193                         $body = $body['text'];
 194                 }
 195
 196                 wfDebug( __METHOD__ . ': sending mail to ' . implode( ', ', $to ) . "\n" );
 197
 198                 # Make sure we have at least one address
 199                 $has_address = false;
 200                 foreach ( $to as $u ) {
 201                         if ( $u->address ) {
 202                                 $has_address = true;
 203                                 break;
 204                         }
 205                 }
 206                 if ( !$has_address ) {
 207                         return Status::newFatal( 'user-mail-no-addy' );
 208                 }
 209
 210                 # Forge email headers
 211                 # -------------------
 212                 #
 213                 # WARNING
 214                 #
 215                 # DO NOT add To: or Subject: headers at this step. They need to be
 216                 # handled differently depending upon the mailer we are going to use.
 217                 #
 218                 # To:
 219                 #  PHP mail() first argument is the mail receiver. The argument is
 220                 #  used as a recipient destination and as a To header.
 221                 #
 222                 #  PEAR mailer has a recipient argument which is only used to
 223                 #  send the mail. If no To header is given, PEAR will set it to
 224                 #  to 'undisclosed-recipients:'.
 225                 #
 226                 #  NOTE: To: is for presentation, the actual recipient is specified
 227                 #  by the mailer using the Rcpt-To: header.
 228                 #
 229                 # Subject:
 230                 #  PHP mail() second argument to pass the subject, passing a Subject
 231                 #  as an additional header will result in a duplicate header.
 232                 #
 233                 #  PEAR mailer should be passed a Subject header.
 234                 #
 235                 # -- hashar 20120218
 236
 237                 $headers['From'] = $from->toString();
 238                 $headers['Return-Path'] = $from->address;
 239
 240                 if ( $replyto ) {
 241                         $headers['Reply-To'] = $replyto->toString();
 242                 }
 243
 244                 $headers['Date'] = date( 'r' );
 245                 $headers['Message-ID'] = self::makeMsgId();
 246                 $headers['X-Mailer'] = 'MediaWiki mailer';
 247
 248                 # Line endings need to be different on Unix and Windows due to
 249                 # the bug described at http://trac.wordpress.org/ticket/2603
 250                 if ( wfIsWindows() ) {
 251                         $endl = "\r\n";
 252                 } else {
 253                         $endl = "\n";
 254                 }
 255
 256                 if ( is_array( $body ) ) {
 257                         // we are sending a multipart message
 258                         wfDebug( "Assembling multipart mime email\n" );
 259                         if ( !stream_resolve_include_path( 'Mail/mime.php' ) ) {
 260                                 wfDebug( "PEAR Mail_Mime package is not installed. Falling back to text email.\n" );
 261                         }
 262                         else {
 263                                 require_once( 'Mail/mime.php' );
 264                                 if ( wfIsWindows() ) {
 265                                         $body['text'] = str_replace( "\n", "\r\n", $body['text'] );
 266                                         $body['html'] = str_replace( "\n", "\r\n", $body['html'] );
 267                                 }
 268                                 $mime = new Mail_mime( array( 'eol' => $endl ) );
 269                                 $mime->setTXTBody( $body['text'] );
 270                                 $mime->setHTMLBody( $body['html'] );
 271                                 $body = $mime->get(); // must call get() before headers()
 272                                 $headers = $mime->headers( $headers );
 273                         }
 274                 }
 275                 if ( !isset( $mime ) ) {
 276                         // sending text only, either deliberately or as a fallback
 277                         if ( wfIsWindows() ) {
 278                                 $body = str_replace( "\n", "\r\n", $body );
 279                         }
 280                         $headers['MIME-Version'] = '1.0';
 281                         $headers['Content-type'] = ( is_null( $contentType ) ?
 282                                 'text/plain; charset=UTF-8' : $contentType );
 283                         $headers['Content-transfer-encoding'] = '8bit';
 284                 }
 285
 286                 $ret = wfRunHooks( 'AlternateUserMailer', array( $headers, $to, $from, $subject, $body ) );
 287                 if ( $ret === false ) {
 288                         // the hook implementation will return false to skip regular mail sending
 289                         return Status::newGood();
 290                 } elseif ( $ret !== true ) {
 291                         // the hook implementation will return a string to pass an error message
 292                         return Status::newFatal( 'php-mail-error', $ret );
 293                 }
 294
 295                 if ( is_array( $wgSMTP ) ) {
 296                         #
 297                         # PEAR MAILER
 298                         #
 299
 300                         if ( !stream_resolve_include_path( 'Mail.php' ) ) {
 301                                 throw new MWException( 'PEAR mail package is not installed' );
 302                         }
 303                         require_once( 'Mail.php' );
 304
 305                         wfSuppressWarnings();
 306
 307                         // Create the mail object using the Mail::factory method
 308                         $mail_object =& Mail::factory( 'smtp', $wgSMTP );
 309                         if ( PEAR::isError( $mail_object ) ) {
 310                                 wfDebug( "PEAR::Mail factory failed: " . $mail_object->getMessage() . "\n" );
 311                                 wfRestoreWarnings();
 312                                 return Status::newFatal( 'pear-mail-error', $mail_object->getMessage() );
 313                         }
 314
 315                         wfDebug( "Sending mail via PEAR::Mail\n" );
 316
 317                         $headers['Subject'] = self::quotedPrintable( $subject );
 318
 319                         # When sending only to one recipient, shows it its email using To:
 320                         if ( count( $to ) == 1 ) {
 321                                 $headers['To'] = $to[0]->toString();
 322                         }
 323
 324                         # Split jobs since SMTP servers tends to limit the maximum
 325                         # number of possible recipients.
 326                         $chunks = array_chunk( $to, $wgEnotifMaxRecips );
 327                         foreach ( $chunks as $chunk ) {
 328                                 $status = self::sendWithPear( $mail_object, $chunk, $headers, $body );
 329                                 # FIXME : some chunks might be sent while others are not!
 330                                 if ( !$status->isOK() ) {
 331                                         wfRestoreWarnings();
 332                                         return $status;
 333                                 }
 334                         }
 335                         wfRestoreWarnings();
 336                         return Status::newGood();
 337                 } else {
 338                         #
 339                         # PHP mail()
 340                         #
 341                         if( count( $to ) > 1 ) {
 342                                 $headers['To'] = 'undisclosed-recipients:;';
 343                         }
 344                         $headers = self::arrayToHeaderString( $headers, $endl );
 345
 346                         wfDebug( "Sending mail via internal mail() function\n" );
 347
 348                         self::$mErrorString = '';
 349                         $html_errors = ini_get( 'html_errors' );
 350                         ini_set( 'html_errors', '0' );
 351                         set_error_handler( 'UserMailer::errorHandler' );
 352
 353                         $safeMode = wfIniGetBool( 'safe_mode' );
 354
 355                         foreach ( $to as $recip ) {
 356                                 if ( $safeMode ) {
 357                                         $sent = mail( $recip, self::quotedPrintable( $subject ), $body, $headers );
 358                                 } else {
 359                                         $sent = mail( $recip, self::quotedPrintable( $subject ), $body, $headers, $wgAdditionalMailParams );
 360                                 }
 361                         }
 362
 363                         restore_error_handler();
 364                         ini_set( 'html_errors', $html_errors );
 365
 366                         if ( self::$mErrorString ) {
 367                                 wfDebug( "Error sending mail: " . self::$mErrorString . "\n" );
 368                                 return Status::newFatal( 'php-mail-error', self::$mErrorString );
 369                         } elseif ( ! $sent ) {
 370                                 // mail function only tells if there's an error
 371                                 wfDebug( "Unknown error sending mail\n" );
 372                                 return Status::newFatal( 'php-mail-error-unknown' );
 373                         } else {
 374                                 return Status::newGood();
 375                         }
 376                 }
 377         }
 378
 379         /**
 380          * Set the mail error message in self::$mErrorString
 381          *
 382          * @param $code Integer: error number
 383          * @param string $string error message
 384          */
 385         static function errorHandler( $code, $string ) {
 386                 self::$mErrorString = preg_replace( '/^mail\(\)(\s*\[.*?\])?: /', '', $string );
 387         }
 388
 389         /**
 390          * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
 391          * @param $phrase string
 392          * @return string
 393          */
 394         public static function rfc822Phrase( $phrase ) {
 395                 $phrase = strtr( $phrase, array( "\r" => '', "\n" => '', '"' => '' ) );
 396                 return '"' . $phrase . '"';
 397         }
 398
 399         /**
 400          * Converts a string into quoted-printable format
 401          * @since 1.17
 402          *
 403          * From PHP5.3 there is a built in function quoted_printable_encode()
 404          * This method does not duplicate that.
 405          * This method is doing Q encoding inside encoded-words as defined by RFC 2047
 406          * This is for email headers.
 407          * The built in quoted_printable_encode() is for email bodies
 408          * @return string
 409          */
 410         public static function quotedPrintable( $string, $charset = '' ) {
 411                 # Probably incomplete; see RFC 2045
 412                 if( empty( $charset ) ) {
 413                         $charset = 'UTF-8';
 414                 }
 415                 $charset = strtoupper( $charset );
 416                 $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
 417
 418                 $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
 419                 $replace = $illegal . '\t ?_';
 420                 if( !preg_match( "/[$illegal]/", $string ) ) {
 421                         return $string;
 422                 }
 423                 $out = "=?$charset?Q?";
 424                 $out .= preg_replace_callback( "/([$replace])/",
 425                         array( __CLASS__, 'quotedPrintableCallback' ), $string );
 426                 $out .= '?=';
 427                 return $out;
 428         }
 429
 430         protected static function quotedPrintableCallback( $matches ) {
 431                 return sprintf( "=%02X", ord( $matches[1] ) );
 432         }
 433 }
 434
 435 /**
 436  * This module processes the email notifications when the current page is
 437  * changed. It looks up the table watchlist to find out which users are watching
 438  * that page.
 439  *
 440  * The current implementation sends independent emails to each watching user for
 441  * the following reason:
 442  *
 443  * - Each watching user will be notified about the page edit time expressed in
 444  * his/her local time (UTC is shown additionally). To achieve this, we need to
 445  * find the individual timeoffset of each watching user from the preferences..
 446  *
 447  * Suggested improvement to slack down the number of sent emails: We could think
 448  * of sending out bulk mails (bcc:user1,user2...) for all these users having the
 449  * same timeoffset in their preferences.
 450  *
 451  * Visit the documentation pages under http://meta.wikipedia.com/Enotif
 452  *
 453  *
 454  */
 455 class EmailNotification {
 456         protected $subject, $body, $replyto, $from;
 457         protected $timestamp, $summary, $minorEdit, $oldid, $composed_common, $pageStatus;
 458         protected $mailTargets = array();
 459
 460         /**
 461          * @var Title
 462          */
 463         protected $title;
 464
 465         /**
 466          * @var User
 467          */
 468         protected $editor;
 469
 470         /**
 471          * Send emails corresponding to the user $editor editing the page $title.
 472          * Also updates wl_notificationtimestamp.
 473          *
 474          * May be deferred via the job queue.
 475          *
 476          * @param $editor User object
 477          * @param $title Title object
 478          * @param $timestamp
 479          * @param $summary
 480          * @param $minorEdit
 481          * @param $oldid (default: false)
 482          * @param $pageStatus (default: 'changed')
 483          */
 484         public function notifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid = false, $pageStatus = 'changed' ) {
 485                 global $wgEnotifUseJobQ, $wgEnotifWatchlist, $wgShowUpdatedMarker, $wgEnotifMinorEdits,
 486                         $wgUsersNotifiedOnAllChanges, $wgEnotifUserTalk;
 487
 488                 if ( $title->getNamespace() < 0 ) {
 489                         return;
 490                 }
 491
 492                 // Build a list of users to notify
 493                 $watchers = array();
 494                 if ( $wgEnotifWatchlist || $wgShowUpdatedMarker ) {
 495                         $dbw = wfGetDB( DB_MASTER );
 496                         $res = $dbw->select( array( 'watchlist' ),
 497                                 array( 'wl_user' ),
 498                                 array(
 499                                         'wl_user != ' . intval( $editor->getID() ),
 500                                         'wl_namespace' => $title->getNamespace(),
 501                                         'wl_title' => $title->getDBkey(),
 502                                         'wl_notificationtimestamp IS NULL',
 503                                 ), __METHOD__
 504                         );
 505                         foreach ( $res as $row ) {
 506                                 $watchers[] = intval( $row->wl_user );
 507                         }
 508                         if ( $watchers ) {
 509                                 // Update wl_notificationtimestamp for all watching users except the editor
 510                                 $fname = __METHOD__;
 511                                 $dbw->onTransactionIdle(
 512                                         function() use ( $dbw, $timestamp, $watchers, $title, $fname ) {
 513                                                 $dbw->begin( $fname );
 514                                                 $dbw->update( 'watchlist',
 515                                                         array( /* SET */
 516                                                                 'wl_notificationtimestamp' => $dbw->timestamp( $timestamp )
 517                                                         ), array( /* WHERE */
 518                                                                 'wl_user' => $watchers,
 519                                                                 'wl_namespace' => $title->getNamespace(),
 520                                                                 'wl_title' => $title->getDBkey(),
 521                                                         ), $fname
 522                                                 );
 523                                                 $dbw->commit( $fname );
 524                                         }
 525                                 );
 526                         }
 527                 }
 528
 529                 $sendEmail = true;
 530                 // If nobody is watching the page, and there are no users notified on all changes
 531                 // don't bother creating a job/trying to send emails
 532                 // $watchers deals with $wgEnotifWatchlist
 533                 if ( !count( $watchers ) && !count( $wgUsersNotifiedOnAllChanges ) ) {
 534                         $sendEmail = false;
 535                         // Only send notification for non minor edits, unless $wgEnotifMinorEdits
 536                         if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
 537                                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 538                                 if ( $wgEnotifUserTalk && $isUserTalkPage && $this->canSendUserTalkEmail( $editor, $title, $minorEdit ) ) {
 539                                         $sendEmail = true;
 540                                 }
 541                         }
 542                 }
 543
 544                 if ( !$sendEmail ) {
 545                         return;
 546                 }
 547                 if ( $wgEnotifUseJobQ ) {
 548                         $params = array(
 549                                 'editor' => $editor->getName(),
 550                                 'editorID' => $editor->getID(),
 551                                 'timestamp' => $timestamp,
 552                                 'summary' => $summary,
 553                                 'minorEdit' => $minorEdit,
 554                                 'oldid' => $oldid,
 555                                 'watchers' => $watchers,
 556                                 'pageStatus' => $pageStatus
 557                         );
 558                         $job = new EnotifNotifyJob( $title, $params );
 559                         JobQueueGroup::singleton()->push( $job );
 560                 } else {
 561                         $this->actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers, $pageStatus );
 562                 }
 563         }
 564
 565         /**
 566          * Immediate version of notifyOnPageChange().
 567          *
 568          * Send emails corresponding to the user $editor editing the page $title.
 569          * Also updates wl_notificationtimestamp.
 570          *
 571          * @param $editor User object
 572          * @param $title Title object
 573          * @param string $timestamp Edit timestamp
 574          * @param string $summary Edit summary
 575          * @param $minorEdit bool
 576          * @param int $oldid Revision ID
 577          * @param array $watchers of user IDs
 578          * @param string $pageStatus
 579          * @throws MWException
 580          */
 581         public function actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit,
 582                 $oldid, $watchers, $pageStatus = 'changed' ) {
 583                 # we use $wgPasswordSender as sender's address
 584                 global $wgEnotifWatchlist;
 585                 global $wgEnotifMinorEdits, $wgEnotifUserTalk;
 586
 587                 wfProfileIn( __METHOD__ );
 588
 589                 # The following code is only run, if several conditions are met:
 590                 # 1. EmailNotification for pages (other than user_talk pages) must be enabled
 591                 # 2. minor edits (changes) are only regarded if the global flag indicates so
 592
 593                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 594
 595                 $this->title = $title;
 596                 $this->timestamp = $timestamp;
 597                 $this->summary = $summary;
 598                 $this->minorEdit = $minorEdit;
 599                 $this->oldid = $oldid;
 600                 $this->editor = $editor;
 601                 $this->composed_common = false;
 602                 $this->pageStatus = $pageStatus;
 603
 604                 $formattedPageStatus = array( 'deleted', 'created', 'moved', 'restored', 'changed' );
 605
 606                 wfRunHooks( 'UpdateUserMailerFormattedPageStatus', array( &$formattedPageStatus ) );
 607                 if ( !in_array( $this->pageStatus, $formattedPageStatus ) ) {
 608                         wfProfileOut( __METHOD__ );
 609                         throw new MWException( 'Not a valid page status!' );
 610                 }
 611
 612                 $userTalkId = false;
 613
 614                 if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
 615
 616                         if ( $wgEnotifUserTalk && $isUserTalkPage && $this->canSendUserTalkEmail( $editor, $title, $minorEdit ) ) {
 617                                 $targetUser = User::newFromName( $title->getText() );
 618                                 $this->compose( $targetUser );
 619                                 $userTalkId = $targetUser->getId();
 620                         }
 621
 622                         if ( $wgEnotifWatchlist ) {
 623                                 // Send updates to watchers other than the current editor
 624                                 $userArray = UserArray::newFromIDs( $watchers );
 625                                 foreach ( $userArray as $watchingUser ) {
 626                                         if ( $watchingUser->getOption( 'enotifwatchlistpages' ) &&
 627                                                 ( !$minorEdit || $watchingUser->getOption( 'enotifminoredits' ) ) &&
 628                                                 $watchingUser->isEmailConfirmed() &&
 629                                                 $watchingUser->getID() != $userTalkId )
 630                                         {
 631                                                 $this->compose( $watchingUser );
 632                                         }
 633                                 }
 634                         }
 635                 }
 636
 637                 global $wgUsersNotifiedOnAllChanges;
 638                 foreach ( $wgUsersNotifiedOnAllChanges as $name ) {
 639                         if ( $editor->getName() == $name ) {
 640                                 // No point notifying the user that actually made the change!
 641                                 continue;
 642                         }
 643                         $user = User::newFromName( $name );
 644                         $this->compose( $user );
 645                 }
 646
 647                 $this->sendMails();
 648                 wfProfileOut( __METHOD__ );
 649         }
 650
 651         /**
 652          * @param $editor User
 653          * @param $title Title bool
 654          * @param $minorEdit
 655          * @return bool
 656          */
 657         private function canSendUserTalkEmail( $editor, $title, $minorEdit ) {
 658                 global $wgEnotifUserTalk;
 659                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 660
 661                 if ( $wgEnotifUserTalk && $isUserTalkPage ) {
 662                         $targetUser = User::newFromName( $title->getText() );
 663
 664                         if ( !$targetUser || $targetUser->isAnon() ) {
 665                                 wfDebug( __METHOD__ . ": user talk page edited, but user does not exist\n" );
 666                         } elseif ( $targetUser->getId() == $editor->getId() ) {
 667                                 wfDebug( __METHOD__ . ": user edited their own talk page, no notification sent\n" );
 668                         } elseif ( $targetUser->getOption( 'enotifusertalkpages' ) &&
 669                                 ( !$minorEdit || $targetUser->getOption( 'enotifminoredits' ) ) )
 670                         {
 671                                 if ( $targetUser->isEmailConfirmed() ) {
 672                                         wfDebug( __METHOD__ . ": sending talk page update notification\n" );
 673                                         return true;
 674                                 } else {
 675                                         wfDebug( __METHOD__ . ": talk page owner doesn't have validated email\n" );
 676                                 }
 677                         } else {
 678                                 wfDebug( __METHOD__ . ": talk page owner doesn't want notifications\n" );
 679                         }
 680                 }
 681                 return false;
 682         }
 683
 684         /**
 685          * Generate the generic "this page has been changed" e-mail text.
 686          */
 687         private function composeCommonMailtext() {
 688                 global $wgPasswordSender, $wgPasswordSenderName, $wgNoReplyAddress;
 689                 global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
 690                 global $wgEnotifImpersonal, $wgEnotifUseRealName;
 691
 692                 $this->composed_common = true;
 693
 694                 # You as the WikiAdmin and Sysops can make use of plenty of
 695                 # named variables when composing your notification emails while
 696                 # simply editing the Meta pages
 697
 698                 $keys = array();
 699                 $postTransformKeys = array();
 700                 $pageTitleUrl = $this->title->getCanonicalURL();
 701                 $pageTitle = $this->title->getPrefixedText();
 702
 703                 if ( $this->oldid ) {
 704                         // Always show a link to the diff which triggered the mail. See bug 32210.
 705                         $keys['$NEWPAGE'] = "\n\n" . wfMessage( 'enotif_lastdiff',
 706                                 $this->title->getCanonicalURL( 'diff=next&oldid=' . $this->oldid ) )
 707                                 ->inContentLanguage()->text();
 708
 709                         if ( !$wgEnotifImpersonal ) {
 710                                 // For personal mail, also show a link to the diff of all changes
 711                                 // since last visited.
 712                                 $keys['$NEWPAGE'] .= "\n\n" . wfMessage( 'enotif_lastvisited',
 713                                         $this->title->getCanonicalURL( 'diff=0&oldid=' . $this->oldid ) )
 714                                         ->inContentLanguage()->text();
 715                         }
 716                         $keys['$OLDID'] = $this->oldid;
 717                         // @deprecated Remove in MediaWiki 1.23.
 718                         $keys['$CHANGEDORCREATED'] = wfMessage( 'changed' )->inContentLanguage()->text();
 719                 } else {
 720                         # clear $OLDID placeholder in the message template
 721                         $keys['$OLDID'] = '';
 722                         $keys['$NEWPAGE'] = '';
 723                         // @deprecated Remove in MediaWiki 1.23.
 724                         $keys['$CHANGEDORCREATED'] = wfMessage( 'created' )->inContentLanguage()->text();
 725                 }
 726
 727                 $keys['$PAGETITLE'] = $this->title->getPrefixedText();
 728                 $keys['$PAGETITLE_URL'] = $this->title->getCanonicalURL();
 729                 $keys['$PAGEMINOREDIT'] = $this->minorEdit ?
 730                         wfMessage( 'minoredit' )->inContentLanguage()->text() : '';
 731                 $keys['$UNWATCHURL'] = $this->title->getCanonicalURL( 'action=unwatch' );
 732
 733                 if ( $this->editor->isAnon() ) {
 734                         # real anon (user:xxx.xxx.xxx.xxx)
 735                         $keys['$PAGEEDITOR'] = wfMessage( 'enotif_anon_editor', $this->editor->getName() )
 736                                 ->inContentLanguage()->text();
 737                         $keys['$PAGEEDITOR_EMAIL'] = wfMessage( 'noemailtitle' )->inContentLanguage()->text();
 738
 739                 } else {
 740                         $keys['$PAGEEDITOR'] = $wgEnotifUseRealName ? $this->editor->getRealName() : $this->editor->getName();
 741                         $emailPage = SpecialPage::getSafeTitleFor( 'Emailuser', $this->editor->getName() );
 742                         $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getCanonicalURL();
 743                 }
 744
 745                 $keys['$PAGEEDITOR_WIKI'] = $this->editor->getUserPage()->getCanonicalURL();
 746
 747                 # Replace this after transforming the message, bug 35019
 748                 $postTransformKeys['$PAGESUMMARY'] = $this->summary == '' ? ' - ' : $this->summary;
 749
 750                 # Now build message's subject and body
 751                 $this->subject = wfMessage( 'enotif_subject_' . $this->pageStatus )->inContentLanguage()
 752                         ->params( $pageTitle, $keys['$PAGEEDITOR'] )->text();
 753
 754                 $keys['$PAGEINTRO'] = wfMessage( 'enotif_body_intro_' . $this->pageStatus )
 755                         ->inContentLanguage()->params( $pageTitle, $keys['$PAGEEDITOR'], $pageTitleUrl )
 756                         ->text();
 757
 758                 $body = wfMessage( 'enotif_body' )->inContentLanguage()->plain();
 759                 $body = strtr( $body, $keys );
 760                 $body = MessageCache::singleton()->transform( $body, false, null, $this->title );
 761                 $this->body = wordwrap( strtr( $body, $postTransformKeys ), 72 );
 762
 763                 # Reveal the page editor's address as REPLY-TO address only if
 764                 # the user has not opted-out and the option is enabled at the
 765                 # global configuration level.
 766                 $adminAddress = new MailAddress( $wgPasswordSender, $wgPasswordSenderName );
 767                 if ( $wgEnotifRevealEditorAddress
 768                         && ( $this->editor->getEmail() != '' )
 769                         && $this->editor->getOption( 'enotifrevealaddr' ) )
 770                 {
 771                         $editorAddress = new MailAddress( $this->editor );
 772                         if ( $wgEnotifFromEditor ) {
 773                                 $this->from = $editorAddress;
 774                         } else {
 775                                 $this->from = $adminAddress;
 776                                 $this->replyto = $editorAddress;
 777                         }
 778                 } else {
 779                         $this->from = $adminAddress;
 780                         $this->replyto = new MailAddress( $wgNoReplyAddress );
 781                 }
 782         }
 783
 784         /**
 785          * Compose a mail to a given user and either queue it for sending, or send it now,
 786          * depending on settings.
 787          *
 788          * Call sendMails() to send any mails that were queued.
 789          * @param $user User
 790          */
 791         function compose( $user ) {
 792                 global $wgEnotifImpersonal;
 793
 794                 if ( !$this->composed_common )
 795                         $this->composeCommonMailtext();
 796
 797                 if ( $wgEnotifImpersonal ) {
 798                         $this->mailTargets[] = new MailAddress( $user );
 799                 } else {
 800                         $this->sendPersonalised( $user );
 801                 }
 802         }
 803
 804         /**
 805          * Send any queued mails
 806          */
 807         function sendMails() {
 808                 global $wgEnotifImpersonal;
 809                 if ( $wgEnotifImpersonal ) {
 810                         $this->sendImpersonal( $this->mailTargets );
 811                 }
 812         }
 813
 814         /**
 815          * Does the per-user customizations to a notification e-mail (name,
 816          * timestamp in proper timezone, etc) and sends it out.
 817          * Returns true if the mail was sent successfully.
 818          *
 819          * @param $watchingUser User object
 820          * @return Boolean
 821          * @private
 822          */
 823         function sendPersonalised( $watchingUser ) {
 824                 global $wgContLang, $wgEnotifUseRealName;
 825                 // From the PHP manual:
 826                 //     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>".
 827                 //     The mail command will not parse this properly while talking with the MTA.
 828                 $to = new MailAddress( $watchingUser );
 829
 830                 # $PAGEEDITDATE is the time and date of the page change
 831                 # expressed in terms of individual local time of the notification
 832                 # recipient, i.e. watching user
 833                 $body = str_replace(
 834                         array( '$WATCHINGUSERNAME',
 835                                 '$PAGEEDITDATE',
 836                                 '$PAGEEDITTIME' ),
 837                         array( $wgEnotifUseRealName ? $watchingUser->getRealName() : $watchingUser->getName(),
 838                                 $wgContLang->userDate( $this->timestamp, $watchingUser ),
 839                                 $wgContLang->userTime( $this->timestamp, $watchingUser ) ),
 840                         $this->body );
 841
 842                 return UserMailer::send( $to, $this->from, $this->subject, $body, $this->replyto );
 843         }
 844
 845         /**
 846          * Same as sendPersonalised but does impersonal mail suitable for bulk
 847          * mailing.  Takes an array of MailAddress objects.
 848          * @param $addresses array
 849          * @return Status|null
 850          */
 851         function sendImpersonal( $addresses ) {
 852                 global $wgContLang;
 853
 854                 if ( empty( $addresses ) ) {
 855                         return null;
 856                 }
 857
 858                 $body = str_replace(
 859                                 array( '$WATCHINGUSERNAME',
 860                                         '$PAGEEDITDATE',
 861                                         '$PAGEEDITTIME' ),
 862                                 array( wfMessage( 'enotif_impersonal_salutation' )->inContentLanguage()->text(),
 863                                         $wgContLang->date( $this->timestamp, false, false ),
 864                                         $wgContLang->time( $this->timestamp, false, false ) ),
 865                                 $this->body );
 866
 867                 return UserMailer::send( $addresses, $this->from, $this->subject, $body, $this->replyto );
 868         }
 869
 870 } # end of class EmailNotification