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-rw-r--r--includes/mail/EmailNotification.php512
-rw-r--r--includes/mail/MailAddress.php91
-rw-r--r--includes/mail/UserMailer.php425
3 files changed, 1028 insertions, 0 deletions
diff --git a/includes/mail/EmailNotification.php b/includes/mail/EmailNotification.php
new file mode 100644
index 00000000..8215403e
--- /dev/null
+++ b/includes/mail/EmailNotification.php
@@ -0,0 +1,512 @@
+<?php
+/**
+ * Classes used to send e-mails
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author <brion@pobox.com>
+ * @author <mail@tgries.de>
+ * @author Tim Starling
+ * @author Luke Welling lwelling@wikimedia.org
+ */
+
+/**
+ * This module processes the email notifications when the current page is
+ * changed. It looks up the table watchlist to find out which users are watching
+ * that page.
+ *
+ * The current implementation sends independent emails to each watching user for
+ * the following reason:
+ *
+ * - Each watching user will be notified about the page edit time expressed in
+ * his/her local time (UTC is shown additionally). To achieve this, we need to
+ * find the individual timeoffset of each watching user from the preferences..
+ *
+ * Suggested improvement to slack down the number of sent emails: We could think
+ * of sending out bulk mails (bcc:user1,user2...) for all these users having the
+ * same timeoffset in their preferences.
+ *
+ * Visit the documentation pages under http://meta.wikipedia.com/Enotif
+ */
+class EmailNotification {
+ protected $subject, $body, $replyto, $from;
+ protected $timestamp, $summary, $minorEdit, $oldid, $composed_common, $pageStatus;
+ protected $mailTargets = array();
+
+ /**
+ * @var Title
+ */
+ protected $title;
+
+ /**
+ * @var User
+ */
+ protected $editor;
+
+ /**
+ * @param User $editor The editor that triggered the update. Their notification
+ * timestamp will not be updated(they have already seen it)
+ * @param Title $title The title to update timestamps for
+ * @param string $timestamp Set the upate timestamp to this value
+ * @return int[]
+ */
+ public static function updateWatchlistTimestamp( User $editor, Title $title, $timestamp ) {
+ global $wgEnotifWatchlist, $wgShowUpdatedMarker;
+
+ if ( !$wgEnotifWatchlist && !$wgShowUpdatedMarker ) {
+ return array();
+ }
+
+ $dbw = wfGetDB( DB_MASTER );
+ $res = $dbw->select( array( 'watchlist' ),
+ array( 'wl_user' ),
+ array(
+ 'wl_user != ' . intval( $editor->getID() ),
+ 'wl_namespace' => $title->getNamespace(),
+ 'wl_title' => $title->getDBkey(),
+ 'wl_notificationtimestamp IS NULL',
+ ), __METHOD__
+ );
+
+ $watchers = array();
+ foreach ( $res as $row ) {
+ $watchers[] = intval( $row->wl_user );
+ }
+
+ if ( $watchers ) {
+ // Update wl_notificationtimestamp for all watching users except the editor
+ $fname = __METHOD__;
+ $dbw->onTransactionIdle(
+ function () use ( $dbw, $timestamp, $watchers, $title, $fname ) {
+ $dbw->update( 'watchlist',
+ array( /* SET */
+ 'wl_notificationtimestamp' => $dbw->timestamp( $timestamp )
+ ), array( /* WHERE */
+ 'wl_user' => $watchers,
+ 'wl_namespace' => $title->getNamespace(),
+ 'wl_title' => $title->getDBkey(),
+ ), $fname
+ );
+ }
+ );
+ }
+
+ return $watchers;
+ }
+
+ /**
+ * Send emails corresponding to the user $editor editing the page $title.
+ * Also updates wl_notificationtimestamp.
+ *
+ * May be deferred via the job queue.
+ *
+ * @param User $editor
+ * @param Title $title
+ * @param string $timestamp
+ * @param string $summary
+ * @param bool $minorEdit
+ * @param bool $oldid (default: false)
+ * @param string $pageStatus (default: 'changed')
+ */
+ public function notifyOnPageChange( $editor, $title, $timestamp, $summary,
+ $minorEdit, $oldid = false, $pageStatus = 'changed'
+ ) {
+ global $wgEnotifUseJobQ, $wgEnotifMinorEdits, $wgUsersNotifiedOnAllChanges, $wgEnotifUserTalk;
+
+ if ( $title->getNamespace() < 0 ) {
+ return;
+ }
+
+ // update wl_notificationtimestamp for watchers
+ $watchers = self::updateWatchlistTimestamp( $editor, $title, $timestamp );
+
+ $sendEmail = true;
+ // If nobody is watching the page, and there are no users notified on all changes
+ // don't bother creating a job/trying to send emails
+ // $watchers deals with $wgEnotifWatchlist
+ if ( !count( $watchers ) && !count( $wgUsersNotifiedOnAllChanges ) ) {
+ $sendEmail = false;
+ // Only send notification for non minor edits, unless $wgEnotifMinorEdits
+ if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
+ $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
+ if ( $wgEnotifUserTalk
+ && $isUserTalkPage
+ && $this->canSendUserTalkEmail( $editor, $title, $minorEdit )
+ ) {
+ $sendEmail = true;
+ }
+ }
+ }
+
+ if ( !$sendEmail ) {
+ return;
+ }
+
+ if ( $wgEnotifUseJobQ ) {
+ $params = array(
+ 'editor' => $editor->getName(),
+ 'editorID' => $editor->getID(),
+ 'timestamp' => $timestamp,
+ 'summary' => $summary,
+ 'minorEdit' => $minorEdit,
+ 'oldid' => $oldid,
+ 'watchers' => $watchers,
+ 'pageStatus' => $pageStatus
+ );
+ $job = new EnotifNotifyJob( $title, $params );
+ JobQueueGroup::singleton()->push( $job );
+ } else {
+ $this->actuallyNotifyOnPageChange(
+ $editor,
+ $title,
+ $timestamp,
+ $summary,
+ $minorEdit,
+ $oldid,
+ $watchers,
+ $pageStatus
+ );
+ }
+ }
+
+ /**
+ * Immediate version of notifyOnPageChange().
+ *
+ * Send emails corresponding to the user $editor editing the page $title.
+ * Also updates wl_notificationtimestamp.
+ *
+ * @param User $editor
+ * @param Title $title
+ * @param string $timestamp Edit timestamp
+ * @param string $summary Edit summary
+ * @param bool $minorEdit
+ * @param int $oldid Revision ID
+ * @param array $watchers Array of user IDs
+ * @param string $pageStatus
+ * @throws MWException
+ */
+ public function actuallyNotifyOnPageChange( $editor, $title, $timestamp, $summary, $minorEdit,
+ $oldid, $watchers, $pageStatus = 'changed' ) {
+ # we use $wgPasswordSender as sender's address
+ global $wgEnotifWatchlist;
+ global $wgEnotifMinorEdits, $wgEnotifUserTalk;
+
+ wfProfileIn( __METHOD__ );
+
+ # The following code is only run, if several conditions are met:
+ # 1. EmailNotification for pages (other than user_talk pages) must be enabled
+ # 2. minor edits (changes) are only regarded if the global flag indicates so
+
+ $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
+
+ $this->title = $title;
+ $this->timestamp = $timestamp;
+ $this->summary = $summary;
+ $this->minorEdit = $minorEdit;
+ $this->oldid = $oldid;
+ $this->editor = $editor;
+ $this->composed_common = false;
+ $this->pageStatus = $pageStatus;
+
+ $formattedPageStatus = array( 'deleted', 'created', 'moved', 'restored', 'changed' );
+
+ wfRunHooks( 'UpdateUserMailerFormattedPageStatus', array( &$formattedPageStatus ) );
+ if ( !in_array( $this->pageStatus, $formattedPageStatus ) ) {
+ wfProfileOut( __METHOD__ );
+ throw new MWException( 'Not a valid page status!' );
+ }
+
+ $userTalkId = false;
+
+ if ( !$minorEdit || ( $wgEnotifMinorEdits && !$editor->isAllowed( 'nominornewtalk' ) ) ) {
+ if ( $wgEnotifUserTalk
+ && $isUserTalkPage
+ && $this->canSendUserTalkEmail( $editor, $title, $minorEdit )
+ ) {
+ $targetUser = User::newFromName( $title->getText() );
+ $this->compose( $targetUser );
+ $userTalkId = $targetUser->getId();
+ }
+
+ if ( $wgEnotifWatchlist ) {
+ // Send updates to watchers other than the current editor
+ $userArray = UserArray::newFromIDs( $watchers );
+ foreach ( $userArray as $watchingUser ) {
+ if ( $watchingUser->getOption( 'enotifwatchlistpages' )
+ && ( !$minorEdit || $watchingUser->getOption( 'enotifminoredits' ) )
+ && $watchingUser->isEmailConfirmed()
+ && $watchingUser->getID() != $userTalkId
+ ) {
+ if ( wfRunHooks( 'SendWatchlistEmailNotification', array( $watchingUser, $title, $this ) ) ) {
+ $this->compose( $watchingUser );
+ }
+ }
+ }
+ }
+ }
+
+ global $wgUsersNotifiedOnAllChanges;
+ foreach ( $wgUsersNotifiedOnAllChanges as $name ) {
+ if ( $editor->getName() == $name ) {
+ // No point notifying the user that actually made the change!
+ continue;
+ }
+ $user = User::newFromName( $name );
+ $this->compose( $user );
+ }
+
+ $this->sendMails();
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * @param User $editor
+ * @param Title $title
+ * @param bool $minorEdit
+ * @return bool
+ */
+ private function canSendUserTalkEmail( $editor, $title, $minorEdit ) {
+ global $wgEnotifUserTalk;
+ $isUserTalkPage = ( $title->getNamespace() == NS_USER_TALK );
+
+ if ( $wgEnotifUserTalk && $isUserTalkPage ) {
+ $targetUser = User::newFromName( $title->getText() );
+
+ if ( !$targetUser || $targetUser->isAnon() ) {
+ wfDebug( __METHOD__ . ": user talk page edited, but user does not exist\n" );
+ } elseif ( $targetUser->getId() == $editor->getId() ) {
+ wfDebug( __METHOD__ . ": user edited their own talk page, no notification sent\n" );
+ } elseif ( $targetUser->getOption( 'enotifusertalkpages' )
+ && ( !$minorEdit || $targetUser->getOption( 'enotifminoredits' ) )
+ ) {
+ if ( !$targetUser->isEmailConfirmed() ) {
+ wfDebug( __METHOD__ . ": talk page owner doesn't have validated email\n" );
+ } elseif ( !wfRunHooks( 'AbortTalkPageEmailNotification', array( $targetUser, $title ) ) ) {
+ wfDebug( __METHOD__ . ": talk page update notification is aborted for this user\n" );
+ } else {
+ wfDebug( __METHOD__ . ": sending talk page update notification\n" );
+ return true;
+ }
+ } else {
+ wfDebug( __METHOD__ . ": talk page owner doesn't want notifications\n" );
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Generate the generic "this page has been changed" e-mail text.
+ */
+ private function composeCommonMailtext() {
+ global $wgPasswordSender, $wgNoReplyAddress;
+ global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
+ global $wgEnotifImpersonal, $wgEnotifUseRealName;
+
+ $this->composed_common = true;
+
+ # You as the WikiAdmin and Sysops can make use of plenty of
+ # named variables when composing your notification emails while
+ # simply editing the Meta pages
+
+ $keys = array();
+ $postTransformKeys = array();
+ $pageTitleUrl = $this->title->getCanonicalURL();
+ $pageTitle = $this->title->getPrefixedText();
+
+ if ( $this->oldid ) {
+ // Always show a link to the diff which triggered the mail. See bug 32210.
+ $keys['$NEWPAGE'] = "\n\n" . wfMessage( 'enotif_lastdiff',
+ $this->title->getCanonicalURL( array( 'diff' => 'next', 'oldid' => $this->oldid ) ) )
+ ->inContentLanguage()->text();
+
+ if ( !$wgEnotifImpersonal ) {
+ // For personal mail, also show a link to the diff of all changes
+ // since last visited.
+ $keys['$NEWPAGE'] .= "\n\n" . wfMessage( 'enotif_lastvisited',
+ $this->title->getCanonicalURL( array( 'diff' => '0', 'oldid' => $this->oldid ) ) )
+ ->inContentLanguage()->text();
+ }
+ $keys['$OLDID'] = $this->oldid;
+ // Deprecated since MediaWiki 1.21, not used by default. Kept for backwards-compatibility.
+ $keys['$CHANGEDORCREATED'] = wfMessage( 'changed' )->inContentLanguage()->text();
+ } else {
+ # clear $OLDID placeholder in the message template
+ $keys['$OLDID'] = '';
+ $keys['$NEWPAGE'] = '';
+ // Deprecated since MediaWiki 1.21, not used by default. Kept for backwards-compatibility.
+ $keys['$CHANGEDORCREATED'] = wfMessage( 'created' )->inContentLanguage()->text();
+ }
+
+ $keys['$PAGETITLE'] = $this->title->getPrefixedText();
+ $keys['$PAGETITLE_URL'] = $this->title->getCanonicalURL();
+ $keys['$PAGEMINOREDIT'] = $this->minorEdit ?
+ wfMessage( 'minoredit' )->inContentLanguage()->text() : '';
+ $keys['$UNWATCHURL'] = $this->title->getCanonicalURL( 'action=unwatch' );
+
+ if ( $this->editor->isAnon() ) {
+ # real anon (user:xxx.xxx.xxx.xxx)
+ $keys['$PAGEEDITOR'] = wfMessage( 'enotif_anon_editor', $this->editor->getName() )
+ ->inContentLanguage()->text();
+ $keys['$PAGEEDITOR_EMAIL'] = wfMessage( 'noemailtitle' )->inContentLanguage()->text();
+
+ } else {
+ $keys['$PAGEEDITOR'] = $wgEnotifUseRealName && $this->editor->getRealName() !== ''
+ ? $this->editor->getRealName() : $this->editor->getName();
+ $emailPage = SpecialPage::getSafeTitleFor( 'Emailuser', $this->editor->getName() );
+ $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getCanonicalURL();
+ }
+
+ $keys['$PAGEEDITOR_WIKI'] = $this->editor->getUserPage()->getCanonicalURL();
+ $keys['$HELPPAGE'] = wfExpandUrl(
+ Skin::makeInternalOrExternalUrl( wfMessage( 'helppage' )->inContentLanguage()->text() )
+ );
+
+ # Replace this after transforming the message, bug 35019
+ $postTransformKeys['$PAGESUMMARY'] = $this->summary == '' ? ' - ' : $this->summary;
+
+ // Now build message's subject and body
+
+ // Messages:
+ // enotif_subject_deleted, enotif_subject_created, enotif_subject_moved,
+ // enotif_subject_restored, enotif_subject_changed
+ $this->subject = wfMessage( 'enotif_subject_' . $this->pageStatus )->inContentLanguage()
+ ->params( $pageTitle, $keys['$PAGEEDITOR'] )->text();
+
+ // Messages:
+ // enotif_body_intro_deleted, enotif_body_intro_created, enotif_body_intro_moved,
+ // enotif_body_intro_restored, enotif_body_intro_changed
+ $keys['$PAGEINTRO'] = wfMessage( 'enotif_body_intro_' . $this->pageStatus )
+ ->inContentLanguage()->params( $pageTitle, $keys['$PAGEEDITOR'], $pageTitleUrl )
+ ->text();
+
+ $body = wfMessage( 'enotif_body' )->inContentLanguage()->plain();
+ $body = strtr( $body, $keys );
+ $body = MessageCache::singleton()->transform( $body, false, null, $this->title );
+ $this->body = wordwrap( strtr( $body, $postTransformKeys ), 72 );
+
+ # Reveal the page editor's address as REPLY-TO address only if
+ # the user has not opted-out and the option is enabled at the
+ # global configuration level.
+ $adminAddress = new MailAddress( $wgPasswordSender,
+ wfMessage( 'emailsender' )->inContentLanguage()->text() );
+ if ( $wgEnotifRevealEditorAddress
+ && ( $this->editor->getEmail() != '' )
+ && $this->editor->getOption( 'enotifrevealaddr' )
+ ) {
+ $editorAddress = MailAddress::newFromUser( $this->editor );
+ if ( $wgEnotifFromEditor ) {
+ $this->from = $editorAddress;
+ } else {
+ $this->from = $adminAddress;
+ $this->replyto = $editorAddress;
+ }
+ } else {
+ $this->from = $adminAddress;
+ $this->replyto = new MailAddress( $wgNoReplyAddress );
+ }
+ }
+
+ /**
+ * Compose a mail to a given user and either queue it for sending, or send it now,
+ * depending on settings.
+ *
+ * Call sendMails() to send any mails that were queued.
+ * @param User $user
+ */
+ function compose( $user ) {
+ global $wgEnotifImpersonal;
+
+ if ( !$this->composed_common ) {
+ $this->composeCommonMailtext();
+ }
+
+ if ( $wgEnotifImpersonal ) {
+ $this->mailTargets[] = MailAddress::newFromUser( $user );
+ } else {
+ $this->sendPersonalised( $user );
+ }
+ }
+
+ /**
+ * Send any queued mails
+ */
+ function sendMails() {
+ global $wgEnotifImpersonal;
+ if ( $wgEnotifImpersonal ) {
+ $this->sendImpersonal( $this->mailTargets );
+ }
+ }
+
+ /**
+ * Does the per-user customizations to a notification e-mail (name,
+ * timestamp in proper timezone, etc) and sends it out.
+ * Returns true if the mail was sent successfully.
+ *
+ * @param User $watchingUser
+ * @return bool
+ * @private
+ */
+ function sendPersonalised( $watchingUser ) {
+ global $wgContLang, $wgEnotifUseRealName;
+ // From the PHP manual:
+ // Note: The to parameter cannot be an address in the form of
+ // "Something <someone@example.com>". The mail command will not parse
+ // this properly while talking with the MTA.
+ $to = MailAddress::newFromUser( $watchingUser );
+
+ # $PAGEEDITDATE is the time and date of the page change
+ # expressed in terms of individual local time of the notification
+ # recipient, i.e. watching user
+ $body = str_replace(
+ array( '$WATCHINGUSERNAME',
+ '$PAGEEDITDATE',
+ '$PAGEEDITTIME' ),
+ array( $wgEnotifUseRealName && $watchingUser->getRealName() !== ''
+ ? $watchingUser->getRealName() : $watchingUser->getName(),
+ $wgContLang->userDate( $this->timestamp, $watchingUser ),
+ $wgContLang->userTime( $this->timestamp, $watchingUser ) ),
+ $this->body );
+
+ return UserMailer::send( $to, $this->from, $this->subject, $body, $this->replyto );
+ }
+
+ /**
+ * Same as sendPersonalised but does impersonal mail suitable for bulk
+ * mailing. Takes an array of MailAddress objects.
+ * @param MailAddress[] $addresses
+ * @return Status|null
+ */
+ function sendImpersonal( $addresses ) {
+ global $wgContLang;
+
+ if ( empty( $addresses ) ) {
+ return null;
+ }
+
+ $body = str_replace(
+ array( '$WATCHINGUSERNAME',
+ '$PAGEEDITDATE',
+ '$PAGEEDITTIME' ),
+ array( wfMessage( 'enotif_impersonal_salutation' )->inContentLanguage()->text(),
+ $wgContLang->date( $this->timestamp, false, false ),
+ $wgContLang->time( $this->timestamp, false, false ) ),
+ $this->body );
+
+ return UserMailer::send( $addresses, $this->from, $this->subject, $body, $this->replyto );
+ }
+
+}
diff --git a/includes/mail/MailAddress.php b/includes/mail/MailAddress.php
new file mode 100644
index 00000000..68179088
--- /dev/null
+++ b/includes/mail/MailAddress.php
@@ -0,0 +1,91 @@
+<?php
+/**
+ * Classes used to send e-mails
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author <brion@pobox.com>
+ * @author <mail@tgries.de>
+ * @author Tim Starling
+ * @author Luke Welling lwelling@wikimedia.org
+ */
+
+/**
+ * Stores a single person's name and email address.
+ * These are passed in via the constructor, and will be returned in SMTP
+ * header format when requested.
+ */
+class MailAddress {
+ /**
+ * @param string $address String with an email address, or a User object
+ * @param string $name Human-readable name if a string address is given
+ * @param string $realName Human-readable real name if a string address is given
+ */
+ function __construct( $address, $name = null, $realName = null ) {
+ if ( is_object( $address ) && $address instanceof User ) {
+ // Old calling format, now deprecated
+ wfDeprecated( __METHOD__ . ' with a User object' , '1.24' );
+ $this->address = $address->getEmail();
+ $this->name = $address->getName();
+ $this->realName = $address->getRealName();
+ } else {
+ $this->address = strval( $address );
+ $this->name = strval( $name );
+ $this->realName = strval( $realName );
+ }
+ }
+
+ /**
+ * Create a new MailAddress object for the given user
+ *
+ * @since 1.24
+ * @param User $user
+ * @return MailAddress
+ */
+ public static function newFromUser( User $user ) {
+ return new MailAddress( $user->getEmail(), $user->getName(), $user->getRealName() );
+ }
+
+ /**
+ * Return formatted and quoted address to insert into SMTP headers
+ * @return string
+ */
+ function toString() {
+ # PHP's mail() implementation under Windows is somewhat shite, and
+ # can't handle "Joe Bloggs <joe@bloggs.com>" format email addresses,
+ # so don't bother generating them
+ if ( $this->address ) {
+ if ( $this->name != '' && !wfIsWindows() ) {
+ global $wgEnotifUseRealName;
+ $name = ( $wgEnotifUseRealName && $this->realName !== '' ) ? $this->realName : $this->name;
+ $quoted = UserMailer::quotedPrintable( $name );
+ if ( strpos( $quoted, '.' ) !== false || strpos( $quoted, ',' ) !== false ) {
+ $quoted = '"' . $quoted . '"';
+ }
+ return "$quoted <{$this->address}>";
+ } else {
+ return $this->address;
+ }
+ } else {
+ return "";
+ }
+ }
+
+ function __toString() {
+ return $this->toString();
+ }
+}
diff --git a/includes/mail/UserMailer.php b/includes/mail/UserMailer.php
new file mode 100644
index 00000000..b5a57a84
--- /dev/null
+++ b/includes/mail/UserMailer.php
@@ -0,0 +1,425 @@
+<?php
+/**
+ * Classes used to send e-mails
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author <brion@pobox.com>
+ * @author <mail@tgries.de>
+ * @author Tim Starling
+ * @author Luke Welling lwelling@wikimedia.org
+ */
+
+/**
+ * Collection of static functions for sending mail
+ */
+class UserMailer {
+ private static $mErrorString;
+
+ /**
+ * Send mail using a PEAR mailer
+ *
+ * @param UserMailer $mailer
+ * @param string $dest
+ * @param string $headers
+ * @param string $body
+ *
+ * @return Status
+ */
+ protected static function sendWithPear( $mailer, $dest, $headers, $body ) {
+ $mailResult = $mailer->send( $dest, $headers, $body );
+
+ # Based on the result return an error string,
+ if ( PEAR::isError( $mailResult ) ) {
+ wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
+ return Status::newFatal( 'pear-mail-error', $mailResult->getMessage() );
+ } else {
+ return Status::newGood();
+ }
+ }
+
+ /**
+ * Creates a single string from an associative array
+ *
+ * @param array $headers Associative Array: keys are header field names,
+ * values are ... values.
+ * @param string $endl The end of line character. Defaults to "\n"
+ *
+ * Note RFC2822 says newlines must be CRLF (\r\n)
+ * but php mail naively "corrects" it and requires \n for the "correction" to work
+ *
+ * @return string
+ */
+ static function arrayToHeaderString( $headers, $endl = "\n" ) {
+ $strings = array();
+ foreach ( $headers as $name => $value ) {
+ // Prevent header injection by stripping newlines from value
+ $value = self::sanitizeHeaderValue( $value );
+ $strings[] = "$name: $value";
+ }
+ return implode( $endl, $strings );
+ }
+
+ /**
+ * Create a value suitable for the MessageId Header
+ *
+ * @return string
+ */
+ static function makeMsgId() {
+ global $wgSMTP, $wgServer;
+
+ $msgid = uniqid( wfWikiID() . ".", true ); /* true required for cygwin */
+ if ( is_array( $wgSMTP ) && isset( $wgSMTP['IDHost'] ) && $wgSMTP['IDHost'] ) {
+ $domain = $wgSMTP['IDHost'];
+ } else {
+ $url = wfParseUrl( $wgServer );
+ $domain = $url['host'];
+ }
+ return "<$msgid@$domain>";
+ }
+
+ /**
+ * This function will perform a direct (authenticated) login to
+ * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
+ * array of parameters. It requires PEAR:Mail to do that.
+ * Otherwise it just uses the standard PHP 'mail' function.
+ *
+ * @param MailAddress|MailAddress[] $to Recipient's email (or an array of them)
+ * @param MailAddress $from Sender's email
+ * @param string $subject Email's subject.
+ * @param string $body Email's text or Array of two strings to be the text and html bodies
+ * @param MailAddress $replyto Optional reply-to email (default: null).
+ * @param string $contentType Optional custom Content-Type (default: text/plain; charset=UTF-8)
+ * @throws MWException
+ * @throws Exception
+ * @return Status
+ */
+ public static function send( $to, $from, $subject, $body, $replyto = null,
+ $contentType = 'text/plain; charset=UTF-8'
+ ) {
+ global $wgSMTP, $wgEnotifMaxRecips, $wgAdditionalMailParams, $wgAllowHTMLEmail;
+ $mime = null;
+ if ( !is_array( $to ) ) {
+ $to = array( $to );
+ }
+
+ // mail body must have some content
+ $minBodyLen = 10;
+ // arbitrary but longer than Array or Object to detect casting error
+
+ // body must either be a string or an array with text and body
+ if (
+ !(
+ !is_array( $body ) &&
+ strlen( $body ) >= $minBodyLen
+ )
+ &&
+ !(
+ is_array( $body ) &&
+ isset( $body['text'] ) &&
+ isset( $body['html'] ) &&
+ strlen( $body['text'] ) >= $minBodyLen &&
+ strlen( $body['html'] ) >= $minBodyLen
+ )
+ ) {
+ // if it is neither we have a problem
+ return Status::newFatal( 'user-mail-no-body' );
+ }
+
+ if ( !$wgAllowHTMLEmail && is_array( $body ) ) {
+ // HTML not wanted. Dump it.
+ $body = $body['text'];
+ }
+
+ wfDebug( __METHOD__ . ': sending mail to ' . implode( ', ', $to ) . "\n" );
+
+ # Make sure we have at least one address
+ $has_address = false;
+ foreach ( $to as $u ) {
+ if ( $u->address ) {
+ $has_address = true;
+ break;
+ }
+ }
+ if ( !$has_address ) {
+ return Status::newFatal( 'user-mail-no-addy' );
+ }
+
+ # Forge email headers
+ # -------------------
+ #
+ # WARNING
+ #
+ # DO NOT add To: or Subject: headers at this step. They need to be
+ # handled differently depending upon the mailer we are going to use.
+ #
+ # To:
+ # PHP mail() first argument is the mail receiver. The argument is
+ # used as a recipient destination and as a To header.
+ #
+ # PEAR mailer has a recipient argument which is only used to
+ # send the mail. If no To header is given, PEAR will set it to
+ # to 'undisclosed-recipients:'.
+ #
+ # NOTE: To: is for presentation, the actual recipient is specified
+ # by the mailer using the Rcpt-To: header.
+ #
+ # Subject:
+ # PHP mail() second argument to pass the subject, passing a Subject
+ # as an additional header will result in a duplicate header.
+ #
+ # PEAR mailer should be passed a Subject header.
+ #
+ # -- hashar 20120218
+
+ $headers['From'] = $from->toString();
+ $returnPath = $from->address;
+ $extraParams = $wgAdditionalMailParams;
+
+ // Hook to generate custom VERP address for 'Return-Path'
+ wfRunHooks( 'UserMailerChangeReturnPath', array( $to, &$returnPath ) );
+ # Add the envelope sender address using the -f command line option when PHP mail() is used.
+ # Will default to the $from->address when the UserMailerChangeReturnPath hook fails and the
+ # generated VERP address when the hook runs effectively.
+ $extraParams .= ' -f ' . $returnPath;
+
+ $headers['Return-Path'] = $returnPath;
+
+ if ( $replyto ) {
+ $headers['Reply-To'] = $replyto->toString();
+ }
+
+ $headers['Date'] = MWTimestamp::getLocalInstance()->format( 'r' );
+ $headers['Message-ID'] = self::makeMsgId();
+ $headers['X-Mailer'] = 'MediaWiki mailer';
+
+ # Line endings need to be different on Unix and Windows due to
+ # the bug described at http://trac.wordpress.org/ticket/2603
+ if ( wfIsWindows() ) {
+ $endl = "\r\n";
+ } else {
+ $endl = "\n";
+ }
+
+ if ( is_array( $body ) ) {
+ // we are sending a multipart message
+ wfDebug( "Assembling multipart mime email\n" );
+ if ( !stream_resolve_include_path( 'Mail/mime.php' ) ) {
+ wfDebug( "PEAR Mail_Mime package is not installed. Falling back to text email.\n" );
+ // remove the html body for text email fall back
+ $body = $body['text'];
+ } else {
+ require_once 'Mail/mime.php';
+ if ( wfIsWindows() ) {
+ $body['text'] = str_replace( "\n", "\r\n", $body['text'] );
+ $body['html'] = str_replace( "\n", "\r\n", $body['html'] );
+ }
+ $mime = new Mail_mime( array(
+ 'eol' => $endl,
+ 'text_charset' => 'UTF-8',
+ 'html_charset' => 'UTF-8'
+ ) );
+ $mime->setTXTBody( $body['text'] );
+ $mime->setHTMLBody( $body['html'] );
+ $body = $mime->get(); // must call get() before headers()
+ $headers = $mime->headers( $headers );
+ }
+ }
+ if ( $mime === null ) {
+ // sending text only, either deliberately or as a fallback
+ if ( wfIsWindows() ) {
+ $body = str_replace( "\n", "\r\n", $body );
+ }
+ $headers['MIME-Version'] = '1.0';
+ $headers['Content-type'] = ( is_null( $contentType ) ?
+ 'text/plain; charset=UTF-8' : $contentType );
+ $headers['Content-transfer-encoding'] = '8bit';
+ }
+
+ $ret = wfRunHooks( 'AlternateUserMailer', array( $headers, $to, $from, $subject, $body ) );
+ if ( $ret === false ) {
+ // the hook implementation will return false to skip regular mail sending
+ return Status::newGood();
+ } elseif ( $ret !== true ) {
+ // the hook implementation will return a string to pass an error message
+ return Status::newFatal( 'php-mail-error', $ret );
+ }
+
+ if ( is_array( $wgSMTP ) ) {
+ #
+ # PEAR MAILER
+ #
+
+ if ( !stream_resolve_include_path( 'Mail.php' ) ) {
+ throw new MWException( 'PEAR mail package is not installed' );
+ }
+ require_once 'Mail.php';
+
+ wfSuppressWarnings();
+
+ // Create the mail object using the Mail::factory method
+ $mail_object =& Mail::factory( 'smtp', $wgSMTP );
+ if ( PEAR::isError( $mail_object ) ) {
+ wfDebug( "PEAR::Mail factory failed: " . $mail_object->getMessage() . "\n" );
+ wfRestoreWarnings();
+ return Status::newFatal( 'pear-mail-error', $mail_object->getMessage() );
+ }
+
+ wfDebug( "Sending mail via PEAR::Mail\n" );
+
+ $headers['Subject'] = self::quotedPrintable( $subject );
+
+ # When sending only to one recipient, shows it its email using To:
+ if ( count( $to ) == 1 ) {
+ $headers['To'] = $to[0]->toString();
+ }
+
+ # Split jobs since SMTP servers tends to limit the maximum
+ # number of possible recipients.
+ $chunks = array_chunk( $to, $wgEnotifMaxRecips );
+ foreach ( $chunks as $chunk ) {
+ $status = self::sendWithPear( $mail_object, $chunk, $headers, $body );
+ # FIXME : some chunks might be sent while others are not!
+ if ( !$status->isOK() ) {
+ wfRestoreWarnings();
+ return $status;
+ }
+ }
+ wfRestoreWarnings();
+ return Status::newGood();
+ } else {
+ #
+ # PHP mail()
+ #
+ if ( count( $to ) > 1 ) {
+ $headers['To'] = 'undisclosed-recipients:;';
+ }
+ $headers = self::arrayToHeaderString( $headers, $endl );
+
+ wfDebug( "Sending mail via internal mail() function\n" );
+
+ self::$mErrorString = '';
+ $html_errors = ini_get( 'html_errors' );
+ ini_set( 'html_errors', '0' );
+ set_error_handler( 'UserMailer::errorHandler' );
+
+ try {
+ $safeMode = wfIniGetBool( 'safe_mode' );
+
+ foreach ( $to as $recip ) {
+ if ( $safeMode ) {
+ $sent = mail( $recip, self::quotedPrintable( $subject ), $body, $headers );
+ } else {
+ $sent = mail(
+ $recip,
+ self::quotedPrintable( $subject ),
+ $body,
+ $headers,
+ $extraParams
+ );
+ }
+ }
+ } catch ( Exception $e ) {
+ restore_error_handler();
+ throw $e;
+ }
+
+ restore_error_handler();
+ ini_set( 'html_errors', $html_errors );
+
+ if ( self::$mErrorString ) {
+ wfDebug( "Error sending mail: " . self::$mErrorString . "\n" );
+ return Status::newFatal( 'php-mail-error', self::$mErrorString );
+ } elseif ( !$sent ) {
+ // mail function only tells if there's an error
+ wfDebug( "Unknown error sending mail\n" );
+ return Status::newFatal( 'php-mail-error-unknown' );
+ } else {
+ return Status::newGood();
+ }
+ }
+ }
+
+ /**
+ * Set the mail error message in self::$mErrorString
+ *
+ * @param int $code Error number
+ * @param string $string Error message
+ */
+ static function errorHandler( $code, $string ) {
+ self::$mErrorString = preg_replace( '/^mail\(\)(\s*\[.*?\])?: /', '', $string );
+ }
+
+ /**
+ * Strips bad characters from a header value to prevent PHP mail header injection attacks
+ * @param string $val String to be santizied
+ * @return string
+ */
+ public static function sanitizeHeaderValue( $val ) {
+ return strtr( $val, array( "\r" => '', "\n" => '' ) );
+ }
+
+ /**
+ * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
+ * @param string $phrase
+ * @return string
+ */
+ public static function rfc822Phrase( $phrase ) {
+ // Remove line breaks
+ $phrase = self::sanitizeHeaderValue( $phrase );
+ // Remove quotes
+ $phrase = str_replace( '"', '', $phrase );
+ return '"' . $phrase . '"';
+ }
+
+ /**
+ * Converts a string into quoted-printable format
+ * @since 1.17
+ *
+ * From PHP5.3 there is a built in function quoted_printable_encode()
+ * This method does not duplicate that.
+ * This method is doing Q encoding inside encoded-words as defined by RFC 2047
+ * This is for email headers.
+ * The built in quoted_printable_encode() is for email bodies
+ * @param string $string
+ * @param string $charset
+ * @return string
+ */
+ public static function quotedPrintable( $string, $charset = '' ) {
+ # Probably incomplete; see RFC 2045
+ if ( empty( $charset ) ) {
+ $charset = 'UTF-8';
+ }
+ $charset = strtoupper( $charset );
+ $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
+
+ $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
+ $replace = $illegal . '\t ?_';
+ if ( !preg_match( "/[$illegal]/", $string ) ) {
+ return $string;
+ }
+ $out = "=?$charset?Q?";
+ $out .= preg_replace_callback( "/([$replace])/",
+ array( __CLASS__, 'quotedPrintableCallback' ), $string );
+ $out .= '?=';
+ return $out;
+ }
+
+ protected static function quotedPrintableCallback( $matches ) {
+ return sprintf( "=%02X", ord( $matches[1] ) );
+ }
+}