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                         // Prevent header injection by stripping newlines from value
 124                         $value = self::sanitizeHeaderValue( $value );
 125                         $strings[] = "$name: $value";
 126                 }
 127                 return implode( $endl, $strings );
 128         }
 129
 130         /**
 131          * Create a value suitable for the MessageId Header
 132          *
 133          * @return String
 134          */
 135         static function makeMsgId() {
 136                 global $wgSMTP, $wgServer;
 137
 138                 $msgid = uniqid( wfWikiID() . ".", true ); /* true required for cygwin */
 139                 if ( is_array( $wgSMTP ) && isset( $wgSMTP['IDHost'] ) && $wgSMTP['IDHost'] ) {
 140                         $domain = $wgSMTP['IDHost'];
 141                 } else {
 142                         $url = wfParseUrl( $wgServer );
 143                         $domain = $url['host'];
 144                 }
 145                 return "<$msgid@$domain>";
 146         }
 147
 148         /**
 149          * This function will perform a direct (authenticated) login to
 150          * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
 151          * array of parameters. It requires PEAR:Mail to do that.
 152          * Otherwise it just uses the standard PHP 'mail' function.
 153          *
 154          * @param $to MailAddress: recipient's email (or an array of them)
 155          * @param $from MailAddress: sender's email
 156          * @param string $subject email's subject.
 157          * @param string $body email's text or Array of two strings to be the text and html bodies
 158          * @param $replyto MailAddress: optional reply-to email (default: null).
 159          * @param string $contentType optional custom Content-Type (default: text/plain; charset=UTF-8)
 160          * @throws MWException
 161          * @return Status object
 162          */
 163         public static function send( $to, $from, $subject, $body, $replyto = null, $contentType = 'text/plain; charset=UTF-8' ) {
 164                 global $wgSMTP, $wgEnotifMaxRecips, $wgAdditionalMailParams, $wgAllowHTMLEmail;
 165                 $mime = null;
 166                 if ( !is_array( $to ) ) {
 167                         $to = array( $to );
 168                 }
 169
 170                 // mail body must have some content
 171                 $minBodyLen = 10;
 172                 // arbitrary but longer than Array or Object to detect casting error
 173
 174                 // body must either be a string or an array with text and body
 175                 if (
 176                         !(
 177                                 !is_array( $body ) &&
 178                                 strlen( $body ) >= $minBodyLen
 179                         )
 180                         &&
 181                         !(
 182                                 is_array( $body ) &&
 183                                 isset( $body['text'] ) &&
 184                                 isset( $body['html'] ) &&
 185                                 strlen( $body['text'] ) >= $minBodyLen &&
 186                                 strlen( $body['html'] ) >= $minBodyLen
 187                         )
 188                 ) {
 189                         // if it is neither we have a problem
 190                         return Status::newFatal( 'user-mail-no-body' );
 191                 }
 192
 193                 if ( !$wgAllowHTMLEmail && is_array( $body ) ) {
 194                         // HTML not wanted.  Dump it.
 195                         $body = $body['text'];
 196                 }
 197
 198                 wfDebug( __METHOD__ . ': sending mail to ' . implode( ', ', $to ) . "\n" );
 199
 200                 # Make sure we have at least one address
 201                 $has_address = false;
 202                 foreach ( $to as $u ) {
 203                         if ( $u->address ) {
 204                                 $has_address = true;
 205                                 break;
 206                         }
 207                 }
 208                 if ( !$has_address ) {
 209                         return Status::newFatal( 'user-mail-no-addy' );
 210                 }
 211
 212                 # Forge email headers
 213                 # -------------------
 214                 #
 215                 # WARNING
 216                 #
 217                 # DO NOT add To: or Subject: headers at this step. They need to be
 218                 # handled differently depending upon the mailer we are going to use.
 219                 #
 220                 # To:
 221                 #  PHP mail() first argument is the mail receiver. The argument is
 222                 #  used as a recipient destination and as a To header.
 223                 #
 224                 #  PEAR mailer has a recipient argument which is only used to
 225                 #  send the mail. If no To header is given, PEAR will set it to
 226                 #  to 'undisclosed-recipients:'.
 227                 #
 228                 #  NOTE: To: is for presentation, the actual recipient is specified
 229                 #  by the mailer using the Rcpt-To: header.
 230                 #
 231                 # Subject:
 232                 #  PHP mail() second argument to pass the subject, passing a Subject
 233                 #  as an additional header will result in a duplicate header.
 234                 #
 235                 #  PEAR mailer should be passed a Subject header.
 236                 #
 237                 # -- hashar 20120218
 238
 239                 $headers['From'] = $from->toString();
 240                 $headers['Return-Path'] = $from->address;
 241
 242                 if ( $replyto ) {
 243                         $headers['Reply-To'] = $replyto->toString();
 244                 }
 245
 246                 $headers['Date'] = MWTimestamp::getLocalInstance()->format( 'r' );
 247                 $headers['Message-ID'] = self::makeMsgId();
 248                 $headers['X-Mailer'] = 'MediaWiki mailer';
 249
 250                 # Line endings need to be different on Unix and Windows due to
 251                 # the bug described at http://trac.wordpress.org/ticket/2603
 252                 if ( wfIsWindows() ) {
 253                         $endl = "\r\n";
 254                 } else {
 255                         $endl = "\n";
 256                 }
 257
 258                 if ( is_array( $body ) ) {
 259                         // we are sending a multipart message
 260                         wfDebug( "Assembling multipart mime email\n" );
 261                         if ( !stream_resolve_include_path( 'Mail/mime.php' ) ) {
 262                                 wfDebug( "PEAR Mail_Mime package is not installed. Falling back to text email.\n" );
 263                                 // remove the html body for text email fall back
 264                                 $body = $body['text'];
 265                         }
 266                         else {
 267                                 require_once 'Mail/mime.php';
 268                                 if ( wfIsWindows() ) {
 269                                         $body['text'] = str_replace( "\n", "\r\n", $body['text'] );
 270                                         $body['html'] = str_replace( "\n", "\r\n", $body['html'] );
 271                                 }
 272                                 $mime = new Mail_mime( array( 'eol' => $endl, 'text_charset' => 'UTF-8', 'html_charset' => 'UTF-8' ) );
 273                                 $mime->setTXTBody( $body['text'] );
 274                                 $mime->setHTMLBody( $body['html'] );
 275                                 $body = $mime->get(); // must call get() before headers()
 276                                 $headers = $mime->headers( $headers );
 277                         }
 278                 }
 279                 if ( !isset( $mime ) ) {
 280                         // sending text only, either deliberately or as a fallback
 281                         if ( wfIsWindows() ) {
 282                                 $body = str_replace( "\n", "\r\n", $body );
 283                         }
 284                         $headers['MIME-Version'] = '1.0';
 285                         $headers['Content-type'] = ( is_null( $contentType ) ?
 286                                 'text/plain; charset=UTF-8' : $contentType );
 287                         $headers['Content-transfer-encoding'] = '8bit';
 288                 }
 289
 290                 $ret = wfRunHooks( 'AlternateUserMailer', array( $headers, $to, $from, $subject, $body ) );
 291                 if ( $ret === false ) {
 292                         // the hook implementation will return false to skip regular mail sending
 293                         return Status::newGood();
 294                 } elseif ( $ret !== true ) {
 295                         // the hook implementation will return a string to pass an error message
 296                         return Status::newFatal( 'php-mail-error', $ret );
 297                 }
 298
 299                 if ( is_array( $wgSMTP ) ) {
 300                         #
 301                         # PEAR MAILER
 302                         #
 303
 304                         if ( !stream_resolve_include_path( 'Mail.php' ) ) {
 305                                 throw new MWException( 'PEAR mail package is not installed' );
 306                         }
 307                         require_once 'Mail.php';
 308
 309                         wfSuppressWarnings();
 310
 311                         // Create the mail object using the Mail::factory method
 312                         $mail_object =& Mail::factory( 'smtp', $wgSMTP );
 313                         if ( PEAR::isError( $mail_object ) ) {
 314                                 wfDebug( "PEAR::Mail factory failed: " . $mail_object->getMessage() . "\n" );
 315                                 wfRestoreWarnings();
 316                                 return Status::newFatal( 'pear-mail-error', $mail_object->getMessage() );
 317                         }
 318
 319                         wfDebug( "Sending mail via PEAR::Mail\n" );
 320
 321                         $headers['Subject'] = self::quotedPrintable( $subject );
 322
 323                         # When sending only to one recipient, shows it its email using To:
 324                         if ( count( $to ) == 1 ) {
 325                                 $headers['To'] = $to[0]->toString();
 326                         }
 327
 328                         # Split jobs since SMTP servers tends to limit the maximum
 329                         # number of possible recipients.
 330                         $chunks = array_chunk( $to, $wgEnotifMaxRecips );
 331                         foreach ( $chunks as $chunk ) {
 332                                 $status = self::sendWithPear( $mail_object, $chunk, $headers, $body );
 333                                 # FIXME : some chunks might be sent while others are not!
 334                                 if ( !$status->isOK() ) {
 335                                         wfRestoreWarnings();
 336                                         return $status;
 337                                 }
 338                         }
 339                         wfRestoreWarnings();
 340                         return Status::newGood();
 341                 } else {
 342                         #
 343                         # PHP mail()
 344                         #
 345                         if ( count( $to ) > 1 ) {
 346                                 $headers['To'] = 'undisclosed-recipients:;';
 347                         }
 348                         $headers = self::arrayToHeaderString( $headers, $endl );
 349
 350                         wfDebug( "Sending mail via internal mail() function\n" );
 351
 352                         self::$mErrorString = '';
 353                         $html_errors = ini_get( 'html_errors' );
 354                         ini_set( 'html_errors', '0' );
 355                         set_error_handler( 'UserMailer::errorHandler' );
 356
 357                         try {
 358                                 $safeMode = wfIniGetBool( 'safe_mode' );
 359
 360                                 foreach ( $to as $recip ) {
 361                                         if ( $safeMode ) {
 362                                                 $sent = mail( $recip, self::quotedPrintable( $subject ), $body, $headers );
 363                                         } else {
 364                                                 $sent = mail( $recip, self::quotedPrintable( $subject ), $body, $headers, $wgAdditionalMailParams );
 365                                         }
 366                                 }
 367                         } catch ( Exception $e ) {
 368                                 restore_error_handler();
 369                                 throw $e;
 370                         }
 371
 372                         restore_error_handler();
 373                         ini_set( 'html_errors', $html_errors );
 374
 375                         if ( self::$mErrorString ) {
 376                                 wfDebug( "Error sending mail: " . self::$mErrorString . "\n" );
 377                                 return Status::newFatal( 'php-mail-error', self::$mErrorString );
 378                         } elseif ( ! $sent ) {
 379                                 // mail function only tells if there's an error
 380                                 wfDebug( "Unknown error sending mail\n" );
 381                                 return Status::newFatal( 'php-mail-error-unknown' );
 382                         } else {
 383                                 return Status::newGood();
 384                         }
 385                 }
 386         }
 387
 388         /**
 389          * Set the mail error message in self::$mErrorString
 390          *
 391          * @param $code Integer: error number
 392          * @param string $string error message
 393          */
 394         static function errorHandler( $code, $string ) {
 395                 self::$mErrorString = preg_replace( '/^mail\(\)(\s*\[.*?\])?: /', '', $string );
 396         }
 397
 398         /**
 399          * Strips bad characters from a header value to prevent PHP mail header injection attacks
 400          * @param string $val String to be santizied
 401          * @return string
 402          */
 403         public static function sanitizeHeaderValue( $val ) {
 404                 return strtr( $val, array( "\r" => '', "\n" => '' ) );
 405         }
 406
 407         /**
 408          * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
 409          * @param $phrase string
 410          * @return string
 411          */
 412         public static function rfc822Phrase( $phrase ) {
 413                 // Remove line breaks
 414                 $phrase = self::sanitizeHeaderValue( $phrase );
 415                 // Remove quotes
 416                 $phrase = str_replace( '"', '', $phrase );
 417                 return '"' . $phrase . '"';
 418         }
 419
 420         /**
 421          * Converts a string into quoted-printable format
 422          * @since 1.17
 423          *
 424          * From PHP5.3 there is a built in function quoted_printable_encode()
 425          * This method does not duplicate that.
 426          * This method is doing Q encoding inside encoded-words as defined by RFC 2047
 427          * This is for email headers.
 428          * The built in quoted_printable_encode() is for email bodies
 429          * @return string
 430          */
 431         public static function quotedPrintable( $string, $charset = '' ) {
 432                 # Probably incomplete; see RFC 2045
 433                 if ( empty( $charset ) ) {
 434                         $charset = 'UTF-8';
 435                 }
 436                 $charset = strtoupper( $charset );
 437                 $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
 438
 439                 $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
 440                 $replace = $illegal . '\t ?_';
 441                 if ( !preg_match( "/[$illegal]/", $string ) ) {
 442                         return $string;
 443                 }
 444                 $out = "=?$charset?Q?";
 445                 $out .= preg_replace_callback( "/([$replace])/",
 446                         array( __CLASS__, 'quotedPrintableCallback' ), $string );
 447                 $out .= '?=';
 448                 return $out;
 449         }
 450
 451         protected static function quotedPrintableCallback( $matches ) {
 452                 return sprintf( "=%02X", ord( $matches[1] ) );
 453         }
 454 }
 455
 456 /**
 457  * This module processes the email notifications when the current page is
 458  * changed. It looks up the table watchlist to find out which users are watching
 459  * that page.
 460  *
 461  * The current implementation sends independent emails to each watching user for
 462  * the following reason:
 463  *
 464  * - Each watching user will be notified about the page edit time expressed in
 465  * his/her local time (UTC is shown additionally). To achieve this, we need to
 466  * find the individual timeoffset of each watching user from the preferences..
 467  *
 468  * Suggested improvement to slack down the number of sent emails: We could think
 469  * of sending out bulk mails (bcc:user1,user2...) for all these users having the
 470  * same timeoffset in their preferences.
 471  *
 472  * Visit the documentation pages under http://meta.wikipedia.com/Enotif
 473  *
 474  *
 475  */
 476 class EmailNotification {
 477         protected $subject, $body, $replyto, $from;
 478         protected $timestamp, $summary, $minorEdit, $oldid, $composed_common, $pageStatus;
 479         protected $mailTargets = array();
 480
 481         /**
 482          * @var Title
 483          */
 484         protected $title;
 485
 486         /**
 487          * @var User
 488          */
 489         protected $editor;
 490
 491         /**
 492          * Send emails corresponding to the user $editor editing the page $title.
 493          * Also updates wl_notificationtimestamp.
 494          *
 495          * May be deferred via the job queue.
 496          *
 497          * @param $editor User object
 498          * @param $title Title object
 499          * @param $timestamp
 500          * @param $summary
 501          * @param $minorEdit
 502          * @param $oldid (default: false)
 503          * @param $pageStatus (default: 'changed')
 504          */
 505         public function notifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid = false, $pageStatus = 'changed' ) {
 506                 global $wgEnotifUseJobQ, $wgEnotifWatchlist, $wgShowUpdatedMarker, $wgEnotifMinorEdits,
 507                         $wgUsersNotifiedOnAllChanges, $wgEnotifUserTalk;
 508
 509                 if ( $title->getNamespace() < 0 ) {
 510                         return;
 511                 }
 512
 513                 // Build a list of users to notify
 514                 $watchers = array();
 515                 if ( $wgEnotifWatchlist || $wgShowUpdatedMarker ) {
 516                         $dbw = wfGetDB( DB_MASTER );
 517                         $res = $dbw->select( array( 'watchlist' ),
 518                                 array( 'wl_user' ),
 519                                 array(
 520                                         'wl_user != ' . intval( $editor->getID() ),
 521                                         'wl_namespace' => $title->getNamespace(),
 522                                         'wl_title' => $title->getDBkey(),
 523                                         'wl_notificationtimestamp IS NULL',
 524                                 ), __METHOD__
 525                         );
 526                         foreach ( $res as $row ) {
 527                                 $watchers[] = intval( $row->wl_user );
 528                         }
 529                         if ( $watchers ) {
 530                                 // Update wl_notificationtimestamp for all watching users except the editor
 531                                 $fname = __METHOD__;
 532                                 $dbw->onTransactionIdle(
 533                                         function() use ( $dbw, $timestamp, $watchers, $title, $fname ) {
 534                                                 $dbw->begin( $fname );
 535                                                 $dbw->update( 'watchlist',
 536                                                         array( /* SET */
 537                                                                 'wl_notificationtimestamp' => $dbw->timestamp( $timestamp )
 538                                                         ), array( /* WHERE */
 539                                                                 'wl_user' => $watchers,
 540                                                                 'wl_namespace' => $title->getNamespace(),
 541                                                                 'wl_title' => $title->getDBkey(),
 542                                                         ), $fname
 543                                                 );
 544                                                 $dbw->commit( $fname );
 545                                         }
 546                                 );
 547                         }
 548                 }
 549
 550                 $sendEmail = true;
 551                 // If nobody is watching the page, and there are no users notified on all changes
 552                 // don't bother creating a job/trying to send emails
 553                 // $watchers deals with $wgEnotifWatchlist
 554                 if ( !count( $watchers ) && !count( $wgUsersNotifiedOnAllChanges ) ) {
 555                         $sendEmail = false;
 556                         // Only send notification for non minor edits, unless $wgEnotifMinorEdits
 557                         if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
 558                                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 559                                 if ( $wgEnotifUserTalk && $isUserTalkPage && $this->canSendUserTalkEmail( $editor, $title, $minorEdit ) ) {
 560                                         $sendEmail = true;
 561                                 }
 562                         }
 563                 }
 564
 565                 if ( !$sendEmail ) {
 566                         return;
 567                 }
 568                 if ( $wgEnotifUseJobQ ) {
 569                         $params = array(
 570                                 'editor' => $editor->getName(),
 571                                 'editorID' => $editor->getID(),
 572                                 'timestamp' => $timestamp,
 573                                 'summary' => $summary,
 574                                 'minorEdit' => $minorEdit,
 575                                 'oldid' => $oldid,
 576                                 'watchers' => $watchers,
 577                                 'pageStatus' => $pageStatus
 578                         );
 579                         $job = new EnotifNotifyJob( $title, $params );
 580                         JobQueueGroup::singleton()->push( $job );
 581                 } else {
 582                         $this->actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit, $oldid, $watchers, $pageStatus );
 583                 }
 584         }
 585
 586         /**
 587          * Immediate version of notifyOnPageChange().
 588          *
 589          * Send emails corresponding to the user $editor editing the page $title.
 590          * Also updates wl_notificationtimestamp.
 591          *
 592          * @param $editor User object
 593          * @param $title Title object
 594          * @param string $timestamp Edit timestamp
 595          * @param string $summary Edit summary
 596          * @param $minorEdit bool
 597          * @param int $oldid Revision ID
 598          * @param array $watchers of user IDs
 599          * @param string $pageStatus
 600          * @throws MWException
 601          */
 602         public function actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit,
 603                 $oldid, $watchers, $pageStatus = 'changed' ) {
 604                 # we use $wgPasswordSender as sender's address
 605                 global $wgEnotifWatchlist;
 606                 global $wgEnotifMinorEdits, $wgEnotifUserTalk;
 607
 608                 wfProfileIn( __METHOD__ );
 609
 610                 # The following code is only run, if several conditions are met:
 611                 # 1. EmailNotification for pages (other than user_talk pages) must be enabled
 612                 # 2. minor edits (changes) are only regarded if the global flag indicates so
 613
 614                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 615
 616                 $this->title = $title;
 617                 $this->timestamp = $timestamp;
 618                 $this->summary = $summary;
 619                 $this->minorEdit = $minorEdit;
 620                 $this->oldid = $oldid;
 621                 $this->editor = $editor;
 622                 $this->composed_common = false;
 623                 $this->pageStatus = $pageStatus;
 624
 625                 $formattedPageStatus = array( 'deleted', 'created', 'moved', 'restored', 'changed' );
 626
 627                 wfRunHooks( 'UpdateUserMailerFormattedPageStatus', array( &$formattedPageStatus ) );
 628                 if ( !in_array( $this->pageStatus, $formattedPageStatus ) ) {
 629                         wfProfileOut( __METHOD__ );
 630                         throw new MWException( 'Not a valid page status!' );
 631                 }
 632
 633                 $userTalkId = false;
 634
 635                 if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
 636
 637                         if ( $wgEnotifUserTalk && $isUserTalkPage && $this->canSendUserTalkEmail( $editor, $title, $minorEdit ) ) {
 638                                 $targetUser = User::newFromName( $title->getText() );
 639                                 $this->compose( $targetUser );
 640                                 $userTalkId = $targetUser->getId();
 641                         }
 642
 643                         if ( $wgEnotifWatchlist ) {
 644                                 // Send updates to watchers other than the current editor
 645                                 $userArray = UserArray::newFromIDs( $watchers );
 646                                 foreach ( $userArray as $watchingUser ) {
 647                                         if ( $watchingUser->getOption( 'enotifwatchlistpages' )
 648                                                 && ( !$minorEdit || $watchingUser->getOption( 'enotifminoredits' ) )
 649                                                 && $watchingUser->isEmailConfirmed()
 650                                                 && $watchingUser->getID() != $userTalkId
 651                                         ) {
 652                                                 if ( wfRunHooks( 'SendWatchlistEmailNotification', array( $watchingUser, $title, $this ) ) ) {
 653                                                         $this->compose( $watchingUser );
 654                                                 }
 655                                         }
 656                                 }
 657                         }
 658                 }
 659
 660                 global $wgUsersNotifiedOnAllChanges;
 661                 foreach ( $wgUsersNotifiedOnAllChanges as $name ) {
 662                         if ( $editor->getName() == $name ) {
 663                                 // No point notifying the user that actually made the change!
 664                                 continue;
 665                         }
 666                         $user = User::newFromName( $name );
 667                         $this->compose( $user );
 668                 }
 669
 670                 $this->sendMails();
 671                 wfProfileOut( __METHOD__ );
 672         }
 673
 674         /**
 675          * @param $editor User
 676          * @param $title Title bool
 677          * @param $minorEdit
 678          * @return bool
 679          */
 680         private function canSendUserTalkEmail( $editor, $title, $minorEdit ) {
 681                 global $wgEnotifUserTalk;
 682                 $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
 683
 684                 if ( $wgEnotifUserTalk && $isUserTalkPage ) {
 685                         $targetUser = User::newFromName( $title->getText() );
 686
 687                         if ( !$targetUser || $targetUser->isAnon() ) {
 688                                 wfDebug( __METHOD__ . ": user talk page edited, but user does not exist\n" );
 689                         } elseif ( $targetUser->getId() == $editor->getId() ) {
 690                                 wfDebug( __METHOD__ . ": user edited their own talk page, no notification sent\n" );
 691                         } elseif ( $targetUser->getOption( 'enotifusertalkpages' )
 692                                 && ( !$minorEdit || $targetUser->getOption( 'enotifminoredits' ) )
 693                         ) {
 694                                 if ( !$targetUser->isEmailConfirmed() ) {
 695                                         wfDebug( __METHOD__ . ": talk page owner doesn't have validated email\n" );
 696                                 } elseif ( !wfRunHooks( 'AbortTalkPageEmailNotification', array( $targetUser, $title ) ) ) {
 697                                         wfDebug( __METHOD__ . ": talk page update notification is aborted for this user\n" );
 698                                 } else {
 699                                         wfDebug( __METHOD__ . ": sending talk page update notification\n" );
 700                                         return true;
 701                                 }
 702                         } else {
 703                                 wfDebug( __METHOD__ . ": talk page owner doesn't want notifications\n" );
 704                         }
 705                 }
 706                 return false;
 707         }
 708
 709         /**
 710          * Generate the generic "this page has been changed" e-mail text.
 711          */
 712         private function composeCommonMailtext() {
 713                 global $wgPasswordSender, $wgNoReplyAddress;
 714                 global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
 715                 global $wgEnotifImpersonal, $wgEnotifUseRealName;
 716
 717                 $this->composed_common = true;
 718
 719                 # You as the WikiAdmin and Sysops can make use of plenty of
 720                 # named variables when composing your notification emails while
 721                 # simply editing the Meta pages
 722
 723                 $keys = array();
 724                 $postTransformKeys = array();
 725                 $pageTitleUrl = $this->title->getCanonicalURL();
 726                 $pageTitle = $this->title->getPrefixedText();
 727
 728                 if ( $this->oldid ) {
 729                         // Always show a link to the diff which triggered the mail. See bug 32210.
 730                         $keys['$NEWPAGE'] = "\n\n" . wfMessage( 'enotif_lastdiff',
 731                                 $this->title->getCanonicalURL( array( 'diff' => 'next', 'oldid' => $this->oldid ) ) )
 732                                 ->inContentLanguage()->text();
 733
 734                         if ( !$wgEnotifImpersonal ) {
 735                                 // For personal mail, also show a link to the diff of all changes
 736                                 // since last visited.
 737                                 $keys['$NEWPAGE'] .= "\n\n" . wfMessage( 'enotif_lastvisited',
 738                                         $this->title->getCanonicalURL( array( 'diff' => '0', 'oldid' => $this->oldid ) ) )
 739                                         ->inContentLanguage()->text();
 740                         }
 741                         $keys['$OLDID'] = $this->oldid;
 742                         // @deprecated Remove in MediaWiki 1.23.
 743                         $keys['$CHANGEDORCREATED'] = wfMessage( 'changed' )->inContentLanguage()->text();
 744                 } else {
 745                         # clear $OLDID placeholder in the message template
 746                         $keys['$OLDID'] = '';
 747                         $keys['$NEWPAGE'] = '';
 748                         // @deprecated Remove in MediaWiki 1.23.
 749                         $keys['$CHANGEDORCREATED'] = wfMessage( 'created' )->inContentLanguage()->text();
 750                 }
 751
 752                 $keys['$PAGETITLE'] = $this->title->getPrefixedText();
 753                 $keys['$PAGETITLE_URL'] = $this->title->getCanonicalURL();
 754                 $keys['$PAGEMINOREDIT'] = $this->minorEdit ?
 755                         wfMessage( 'minoredit' )->inContentLanguage()->text() : '';
 756                 $keys['$UNWATCHURL'] = $this->title->getCanonicalURL( 'action=unwatch' );
 757
 758                 if ( $this->editor->isAnon() ) {
 759                         # real anon (user:xxx.xxx.xxx.xxx)
 760                         $keys['$PAGEEDITOR'] = wfMessage( 'enotif_anon_editor', $this->editor->getName() )
 761                                 ->inContentLanguage()->text();
 762                         $keys['$PAGEEDITOR_EMAIL'] = wfMessage( 'noemailtitle' )->inContentLanguage()->text();
 763
 764                 } else {
 765                         $keys['$PAGEEDITOR'] = $wgEnotifUseRealName ? $this->editor->getRealName() : $this->editor->getName();
 766                         $emailPage = SpecialPage::getSafeTitleFor( 'Emailuser', $this->editor->getName() );
 767                         $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getCanonicalURL();
 768                 }
 769
 770                 $keys['$PAGEEDITOR_WIKI'] = $this->editor->getUserPage()->getCanonicalURL();
 771
 772                 # Replace this after transforming the message, bug 35019
 773                 $postTransformKeys['$PAGESUMMARY'] = $this->summary == '' ? ' - ' : $this->summary;
 774
 775                 // Now build message's subject and body
 776
 777                 // Messages:
 778                 // enotif_subject_deleted, enotif_subject_created, enotif_subject_moved,
 779                 // enotif_subject_restored, enotif_subject_changed
 780                 $this->subject = wfMessage( 'enotif_subject_' . $this->pageStatus )->inContentLanguage()
 781                         ->params( $pageTitle, $keys['$PAGEEDITOR'] )->text();
 782
 783                 // Messages:
 784                 // enotif_body_intro_deleted, enotif_body_intro_created, enotif_body_intro_moved,
 785                 // enotif_body_intro_restored, enotif_body_intro_changed
 786                 $keys['$PAGEINTRO'] = wfMessage( 'enotif_body_intro_' . $this->pageStatus )
 787                         ->inContentLanguage()->params( $pageTitle, $keys['$PAGEEDITOR'], $pageTitleUrl )
 788                         ->text();
 789
 790                 $body = wfMessage( 'enotif_body' )->inContentLanguage()->plain();
 791                 $body = strtr( $body, $keys );
 792                 $body = MessageCache::singleton()->transform( $body, false, null, $this->title );
 793                 $this->body = wordwrap( strtr( $body, $postTransformKeys ), 72 );
 794
 795                 # Reveal the page editor's address as REPLY-TO address only if
 796                 # the user has not opted-out and the option is enabled at the
 797                 # global configuration level.
 798                 $adminAddress = new MailAddress( $wgPasswordSender,
 799                         wfMessage( 'emailsender' )->inContentLanguage()->text() );
 800                 if ( $wgEnotifRevealEditorAddress
 801                         && ( $this->editor->getEmail() != '' )
 802                         && $this->editor->getOption( 'enotifrevealaddr' )
 803                 ) {
 804                         $editorAddress = new MailAddress( $this->editor );
 805                         if ( $wgEnotifFromEditor ) {
 806                                 $this->from = $editorAddress;
 807                         } else {
 808                                 $this->from = $adminAddress;
 809                                 $this->replyto = $editorAddress;
 810                         }
 811                 } else {
 812                         $this->from = $adminAddress;
 813                         $this->replyto = new MailAddress( $wgNoReplyAddress );
 814                 }
 815         }
 816
 817         /**
 818          * Compose a mail to a given user and either queue it for sending, or send it now,
 819          * depending on settings.
 820          *
 821          * Call sendMails() to send any mails that were queued.
 822          * @param $user User
 823          */
 824         function compose( $user ) {
 825                 global $wgEnotifImpersonal;
 826
 827                 if ( !$this->composed_common ) {
 828                         $this->composeCommonMailtext();
 829                 }
 830
 831                 if ( $wgEnotifImpersonal ) {
 832                         $this->mailTargets[] = new MailAddress( $user );
 833                 } else {
 834                         $this->sendPersonalised( $user );
 835                 }
 836         }
 837
 838         /**
 839          * Send any queued mails
 840          */
 841         function sendMails() {
 842                 global $wgEnotifImpersonal;
 843                 if ( $wgEnotifImpersonal ) {
 844                         $this->sendImpersonal( $this->mailTargets );
 845                 }
 846         }
 847
 848         /**
 849          * Does the per-user customizations to a notification e-mail (name,
 850          * timestamp in proper timezone, etc) and sends it out.
 851          * Returns true if the mail was sent successfully.
 852          *
 853          * @param $watchingUser User object
 854          * @return Boolean
 855          * @private
 856          */
 857         function sendPersonalised( $watchingUser ) {
 858                 global $wgContLang, $wgEnotifUseRealName;
 859                 // From the PHP manual:
 860                 //     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>".
 861                 //     The mail command will not parse this properly while talking with the MTA.
 862                 $to = new MailAddress( $watchingUser );
 863
 864                 # $PAGEEDITDATE is the time and date of the page change
 865                 # expressed in terms of individual local time of the notification
 866                 # recipient, i.e. watching user
 867                 $body = str_replace(
 868                         array( '$WATCHINGUSERNAME',
 869                                 '$PAGEEDITDATE',
 870                                 '$PAGEEDITTIME' ),
 871                         array( $wgEnotifUseRealName ? $watchingUser->getRealName() : $watchingUser->getName(),
 872                                 $wgContLang->userDate( $this->timestamp, $watchingUser ),
 873                                 $wgContLang->userTime( $this->timestamp, $watchingUser ) ),
 874                         $this->body );
 875
 876                 return UserMailer::send( $to, $this->from, $this->subject, $body, $this->replyto );
 877         }
 878
 879         /**
 880          * Same as sendPersonalised but does impersonal mail suitable for bulk
 881          * mailing.  Takes an array of MailAddress objects.
 882          * @param $addresses array
 883          * @return Status|null
 884          */
 885         function sendImpersonal( $addresses ) {
 886                 global $wgContLang;
 887
 888                 if ( empty( $addresses ) ) {
 889                         return null;
 890                 }
 891
 892                 $body = str_replace(
 893                                 array( '$WATCHINGUSERNAME',
 894                                         '$PAGEEDITDATE',
 895                                         '$PAGEEDITTIME' ),
 896                                 array( wfMessage( 'enotif_impersonal_salutation' )->inContentLanguage()->text(),
 897                                         $wgContLang->date( $this->timestamp, false, false ),
 898                                         $wgContLang->time( $this->timestamp, false, false ) ),
 899                                 $this->body );
 900
 901                 return UserMailer::send( $addresses, $this->from, $this->subject, $body, $this->replyto );
 902         }
 903
 904 } # end of class EmailNotification