Refactored parser output handling slightly, and added a hook function, to allow exten...
[lhc/web/wiklou.git] / includes / UserMailer.php
index 0eb72c6..24dab67 100644 (file)
  *
  * 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
- * 
+ *
  * @author <brion@pobox.com>
  * @author <mail@tgries.de>
- * 
+ *
  * @package MediaWiki
  */
 
-require_once( 'WikiError.php' );
-
 /**
  * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
  */
@@ -35,49 +33,87 @@ function wfRFC822Phrase( $phrase ) {
        return '"' . $phrase . '"';
 }
 
+class MailAddress {
+       /**
+        * @param mixed $address String with an email address, or a User object
+        * @param string $name Human-readable name if a string address is given
+        */
+       function MailAddress( $address, $name=null ) {
+               if( is_object( $address ) && is_a( $address, 'User' ) ) {
+                       $this->address = $address->getEmail();
+                       $this->name = $address->getName();
+               } else {
+                       $this->address = strval( $address );
+                       $this->name = strval( $name );
+               }
+       }
+
+       /**
+        * Return formatted and quoted address to insert into SMTP headers
+        * @return string
+        */
+       function toString() {
+               if( $this->name != '' ) {
+                       $quoted = wfQuotedPrintable( $this->name );
+                       if( strpos( $quoted, '.' ) !== false ) {
+                               $quoted = '"' . $quoted . '"';
+                       }
+                       return "$quoted <{$this->address}>";
+               } else {
+                       return $this->address;
+               }
+       }
+}
+
 /**
  * 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 string $to recipient's email
- * @param string $from sender's email
- * @param string $subject email's subject
- * @param string $body email's text
- * @param string $replyto optional reply-to email (default : false)
+ * @param $to MailAddress: recipient's email
+ * @param $from MailAddress: sender's email
+ * @param $subject String: email's subject.
+ * @param $body String: email's text.
+ * @param $replyto String: optional reply-to email (default: false).
  */
 function userMailer( $to, $from, $subject, $body, $replyto=false ) {
-       global $wgUser, $wgSMTP, $wgOutputEncoding, $wgErrorString, $wgEmergencyContact;
-       
+       global $wgUser, $wgSMTP, $wgOutputEncoding, $wgErrorString;
+
        if (is_array( $wgSMTP )) {
                require_once( 'Mail.php' );
-               
+
                $timestamp = time();
-       
-               $headers['From'] = $from;
+               $dest = $to->address;
+
+               $headers['From'] = $from->toString();
+               $headers['To'] = $to->toString();
                if ( $replyto ) {
                        $headers['Reply-To'] = $replyto;
                }
-               $headers['Subject'] = $subject;
+               $headers['Subject'] = wfQuotedPrintable( $subject );
+               $headers['Date'] = date( 'r' );
                $headers['MIME-Version'] = '1.0';
                $headers['Content-type'] = 'text/plain; charset='.$wgOutputEncoding;
                $headers['Content-transfer-encoding'] = '8bit';
-               $headers['Message-ID'] = "<{$timestamp}" . $wgUser->getName() . '@' . $wgSMTP['IDHost'] . '>';
+               $headers['Message-ID'] = "<{$timestamp}" . $wgUser->getName() . '@' . $wgSMTP['IDHost'] . '>'; // FIXME
                $headers['X-Mailer'] = 'MediaWiki mailer';
-       
+
                // Create the mail object using the Mail::factory method
                $mail_object =& Mail::factory('smtp', $wgSMTP);
-       
-               $mailResult =& $mail_object->send($to, $headers, $body);
-               
-               # Based on the result return an error string, 
-               if ($mailResult === true)
+               wfDebug( "Sending mail via PEAR::Mail to $dest\n" );
+               $mailResult =& $mail_object->send($dest, $headers, $body);
+
+               # Based on the result return an error string,
+               if ($mailResult === true) {
                        return '';
-               else if (is_object($mailResult))
+               } elseif (is_object($mailResult)) {
+                       wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
                        return $mailResult->getMessage();
-               else
+               } else {
+                       wfDebug( "PEAR::Mail failed, unknown error result\n" );
                        return 'Mail object return unknown error.';
+               }
        } else  {
                # In the following $headers = expression we removed "Reply-To: {$from}\r\n" , because it is treated differently
                # (fifth parameter of the PHP mail function, see some lines below)
@@ -86,15 +122,17 @@ function userMailer( $to, $from, $subject, $body, $replyto=false ) {
                        "Content-type: text/plain; charset={$wgOutputEncoding}\n" .
                        "Content-Transfer-Encoding: 8bit\n" .
                        "X-Mailer: MediaWiki mailer\n".
-                       'From: ' . $from . "\n";
+                       'From: ' . $from->toString() . "\n";
                if ($replyto) {
                        $headers .= "Reply-To: $replyto\n";
                }
 
+               $dest = $to->toString();
+
                $wgErrorString = '';
                set_error_handler( 'mailErrorHandler' );
-               # added -f parameter, see PHP manual for the fifth parameter when using the mail function
-               mail( $to, $subject, $body, $headers, " -f {$wgEmergencyContact}\n");
+               wfDebug( "Sending mail via internal mail() function to $dest\n" );
+               mail( $dest, wfQuotedPrintable( $subject ), $body, $headers );
                restore_error_handler();
 
                if ( $wgErrorString ) {
@@ -105,11 +143,14 @@ function userMailer( $to, $from, $subject, $body, $replyto=false ) {
 }
 
 /**
- * @todo document
+ * Get the mail error message in global $wgErrorString
+ *
+ * @param $code Integer: error number
+ * @param $string String: error message
  */
 function mailErrorHandler( $code, $string ) {
        global $wgErrorString;
-       $wgErrorString = preg_replace( "/^mail\(\): /", "", $string );
+       $wgErrorString = preg_replace( "/^mail\(\): /", '', $string );
 }
 
 
@@ -130,132 +171,153 @@ function mailErrorHandler( $code, $string ) {
  * same timeoffset in their preferences.
  *
  * Visit the documentation pages under http://meta.wikipedia.com/Enotif
- * 
+ *
  * @package MediaWiki
- * 
+ *
  */
 class EmailNotification {
-       /**#@+
-        * @access private
+       /**@{{
+        * @private
         */
        var $to, $subject, $body, $replyto, $from;
        var $user, $title, $timestamp, $summary, $minorEdit, $oldid;
-       
-       /**#@-*/
-       
+
+       /**@}}*/
+
        /**
         * @todo document
-        * @param $currentPage
-        * @param $currentNs
+        * @param $title Title object
         * @param $timestamp
-        * @param $currentSummary
-        * @param $currentMinorEdit
+        * @param $summary
+        * @param $minorEdit
         * @param $oldid (default: false)
         */
        function notifyOnPageChange(&$title, $timestamp, $summary, $minorEdit, $oldid=false) {
-       
+
                # we use $wgEmergencyContact as sender's address
-               global $wgUser, $wgLang, $wgEmergencyContact;
-               global $wgEnotifWatchlist, $wgEnotifMinorEdits;
-               global $wgEnotifUserTalk;
-               global $wgEnotifRevealEditorAddress;
-               global $wgEnotifFromEditor;
-               global $wgEmailAuthentication;
+               global $wgUser, $wgEnotifWatchlist;
+               global $wgEnotifMinorEdits, $wgEnotifUserTalk, $wgShowUpdatedMarker;
 
                $fname = 'UserMailer::notifyOnPageChange';
                wfProfileIn( $fname );
-               
+
                # 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);
                $enotifusertalkpage = ($isUserTalkPage && $wgEnotifUserTalk);
-               $enotifwatchlistpage = (!$isUserTalkPage && $wgEnotifWatchlist);        
+               $enotifwatchlistpage = $wgEnotifWatchlist;
 
-               if ( ($enotifusertalkpage || $enotifwatchlistpage) && (!$minorEdit || $wgEnotifMinorEdits) ) {
-                       $dbr =& wfGetDB( DB_MASTER );
-                       extract( $dbr->tableNames( 'watchlist' ) );
-                       $res = $dbr->select( 'watchlist', array( 'wl_user' ), 
-                               array(
-                                       'wl_title' => $title->getDBkey(),
-                                       'wl_namespace' => $title->getNamespace(),
-                                       'wl_user <> ' . $wgUser->getID(),
-                                       'wl_notificationtimestamp <= 1',
-                               ), $fname );
-
-                       # if anyone is watching ... set up the email message text which is
-                       # common for all receipients ...
-                       if ( $dbr->numRows( $res ) > 0 ) { 
-                               $this->user &= $wgUser;
-                               $this->title =& $title;
-                               $this->timestamp = $timestamp;
-                               $this->summary = $summary;
-                               $this->minorEdit = $minorEdit;
-                               $this->oldid = $oldid;
-
-                               $this->composeCommonMailtext();
-                               $watchingUser = new User();
-       
-                               # ... now do for all watching users ... if the options fit
-                               for ($i = 1; $i <= $dbr->numRows( $res ); $i++) { 
-
-                                       $wuser = $dbr->fetchObject( $res );
-                                       $watchingUser->setID($wuser->wl_user);
-                                       if ( ( $enotifwatchlistpage && $watchingUser->getOption('enotifwatchlistpages') ) ||
-                                               ( $enotifusertalkpage && $watchingUser->getOption('enotifusertalkpages') )
-                                       && (!$minorEdit || ($wgEnotifMinorEdits && $watchingUser->getOption('enotifminoredits') ) )
-                                       && ($watchingUser->isEmailConfirmed() ) ) {
-                                               # ... adjust remaining text and page edit time placeholders
-                                               # which needs to be personalized for each user
-                                               $this->composeAndSendPersonalisedMail( $watchingUser );
-
-                                       } # if the watching user has an email address in the preferences
+               if ( (!$minorEdit || $wgEnotifMinorEdits) ) {
+                       if( $wgEnotifWatchlist ) {
+                               // Send updates to watchers other than the current editor
+                               $userCondition = 'wl_user <> ' . intval( $wgUser->getId() );
+                       } elseif( $wgEnotifUserTalk && $title->getNamespace() == NS_USER_TALK ) {
+                               $targetUser = User::newFromName( $title->getText() );
+                               if( is_null( $targetUser ) ) {
+                                       wfDebug( "$fname: user-talk-only mode; no such user\n" );
+                                       $userCondition = false;
+                               } elseif( $targetUser->getId() == $wgUser->getId() ) {
+                                       wfDebug( "$fname: user-talk-only mode; editor is target user\n" );
+                                       $userCondition = false;
+                               } else {
+                                       // Don't notify anyone other than the owner of the talk page
+                                       $userCondition = 'wl_user = ' . intval( $targetUser->getId() );
                                }
-                               
-                               # mark the changed watch-listed page with a timestamp, so that the page is 
-                               # listed with an "updated since your last visit" icon in the watch list, ...
-                               $dbw =& wfGetDB( DB_MASTER );
-                               $success = $dbw->update( 'watchlist',
-                                       array( /* SET */
-                                               'wl_notificationtimestamp' => $timestamp
-                                       ), array( /* WHERE */
+                       } else {
+                               // Notifications disabled
+                               $userCondition = false;
+                       }
+                       if( $userCondition ) {
+                               $dbr =& wfGetDB( DB_MASTER );
+                               extract( $dbr->tableNames( 'watchlist' ) );
+
+                               $res = $dbr->select( 'watchlist', array( 'wl_user' ),
+                                       array(
                                                'wl_title' => $title->getDBkey(),
                                                'wl_namespace' => $title->getNamespace(),
-                                       ), 'UserMailer::NotifyOnChange'
-                               );
+                                               $userCondition,
+                                               'wl_notificationtimestamp IS NULL',
+                                       ), $fname );
+
+                               # if anyone is watching ... set up the email message text which is
+                               # common for all receipients ...
+                               if ( $dbr->numRows( $res ) > 0 ) {
+                                       $this->title =& $title;
+                                       $this->timestamp = $timestamp;
+                                       $this->summary = $summary;
+                                       $this->minorEdit = $minorEdit;
+                                       $this->oldid = $oldid;
+
+                                       $this->composeCommonMailtext();
+                                       $watchingUser = new User();
+
+                                       # ... now do for all watching users ... if the options fit
+                                       for ($i = 1; $i <= $dbr->numRows( $res ); $i++) {
+
+                                               $wuser = $dbr->fetchObject( $res );
+                                               $watchingUser->setID($wuser->wl_user);
+                                               
+                                               if ( ( $enotifwatchlistpage && $watchingUser->getOption('enotifwatchlistpages') ) ||
+                                                       ( $enotifusertalkpage
+                                                               && $watchingUser->getOption('enotifusertalkpages')
+                                                               && $title->equals( $watchingUser->getTalkPage() ) )
+                                               && (!$minorEdit || ($wgEnotifMinorEdits && $watchingUser->getOption('enotifminoredits') ) )
+                                               && ($watchingUser->isEmailConfirmed() ) ) {
+                                                       # ... adjust remaining text and page edit time placeholders
+                                                       # which needs to be personalized for each user
+                                                       $this->composeAndSendPersonalisedMail( $watchingUser );
+
+                                               } # if the watching user has an email address in the preferences
+                                       }
+                               }
                        } # if anyone is watching
                } # if $wgEnotifWatchlist = true
+
+               if ( $wgShowUpdatedMarker || $wgEnotifWatchlist ) {
+                       # mark the changed watch-listed page with a timestamp, so that the page is
+                       # listed with an "updated since your last visit" icon in the watch list, ...
+                       $dbw =& wfGetDB( DB_MASTER );
+                       $success = $dbw->update( 'watchlist',
+                               array( /* SET */
+                                       'wl_notificationtimestamp' => $dbw->timestamp($timestamp)
+                               ), array( /* WHERE */
+                                       'wl_title' => $title->getDBkey(),
+                                       'wl_namespace' => $title->getNamespace(),
+                               ), 'UserMailer::NotifyOnChange'
+                       );
+                       # FIXME what do we do on failure ?
+               }
+               wfProfileOut( $fname );
        } # function NotifyOnChange
-       
+
        /**
-        * @access private
+        * @private
         */
        function composeCommonMailtext() {
-               global $wgLang, $wgUser, $wgEmergencyContact;
-               global $wgEnotifRevealEditorAddress;
-               global $wgEnotifFromEditor;
-               global $wgNoReplyAddress;
-               
+               global $wgUser, $wgEmergencyContact, $wgNoReplyAddress;
+               global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
+
                $summary = ($this->summary == '') ? ' - ' : $this->summary;
                $medit   = ($this->minorEdit) ? wfMsg( 'minoredit' ) : '';
-               
+
                # 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
-               
-               $to      = wfMsgForContent( 'enotif_to' );
+
                $subject = wfMsgForContent( 'enotif_subject' );
                $body    = wfMsgForContent( 'enotif_body' );
                $from    = ''; /* fail safe */
                $replyto = ''; /* fail safe */
                $keys    = array();
-               
+
                # regarding the use of oldid as an indicator for the last visited version, see also
                # http://bugzilla.wikipeda.org/show_bug.cgi?id=603 "Delete + undelete cycle doesn't preserve old_id"
                # However, in the case of a new page which is already watched, we have no previous version to compare
                if( $this->oldid ) {
-                       $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited' );
+                       $difflink = $this->title->getFullUrl( 'diff=0&oldid=' . $this->oldid );
+                       $keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited', $difflink );
                        $keys['$OLDID']   = $this->oldid;
                        $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'changed' );
                } else {
@@ -264,27 +326,23 @@ class EmailNotification {
                        $keys['$OLDID']   = '';
                        $keys['$CHANGEDORCREATED'] = wfMsgForContent( 'created' );
                }
-               
-               $body = strtr( $body, $keys ); 
+
+               $body = strtr( $body, $keys );
                $pagetitle = $this->title->getPrefixedText();
-               
-               $keys['%24PAGETITLE_RAWURL'] = wfUrlencode( $pagetitle );
-               $keys['$PAGETITLE_RAWURL']   = wfUrlencode( $pagetitle );
-               $keys['%24PAGETITLE']        = $pagetitle; # needed for the {{localurl:$PAGETITLE}} in the messagetext, "$" appears here as "%24"
                $keys['$PAGETITLE']          = $pagetitle;
-               $keys['$PAGETIMESTAMP']      = $article->mTimestamp;    # this is the raw internal timestamp - can be useful, too
-               $keys['$PAGEEDITDATEUTC']    = $wgLang->timeanddate( $article->mTimestamp, false, false, false );
+               $keys['$PAGETITLE_URL']      = $this->title->getFullUrl();
+
                $keys['$PAGEMINOREDIT']      = $medit;
                $keys['$PAGESUMMARY']        = $summary;
-       
+
                $subject = strtr( $subject, $keys );
 
                # 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.
                $name    = $wgUser->getName();
-               $adminAddress = 'WikiAdmin <' . $wgEmergencyContact . '>';
-               $editorAddress = wfRFC822Phrase( $name ) . ' <' . $wgUser->getEmail() . '>';
+               $adminAddress = new MailAddress( $wgEmergencyContact, 'WikiAdmin' );
+               $editorAddress = new MailAddress( $wgUser );
                if( $wgEnotifRevealEditorAddress
                    && ( $wgUser->getEmail() != '' )
                    && $wgUser->getOption( 'enotifrevealaddr' ) ) {
@@ -294,36 +352,28 @@ class EmailNotification {
                                $from    = $adminAddress;
                                $replyto = $editorAddress;
                        }
-                       $keys['$PAGEEDITORNAMEANDEMAILADDR'] = $editorAddress;
                } else {
                        $from    = $adminAddress;
                        $replyto = $wgNoReplyAddress;
-                       $keys['$PAGEEDITORNAMEANDEMAILADDR'] = $replyto;
                }
-       
+
                if( $wgUser->isIP( $name ) ) {
                        #real anon (user:xxx.xxx.xxx.xxx)
-                       $anon    = $name . ' (anonymous user)';
-                       $anonUrl = wfUrlencode( $name ) . ' (anonymous user)';
                        $subject = str_replace('$PAGEEDITOR', 'anonymous user '. $name, $subject);
-                       
-                       $keys['$PAGEEDITOR_RAWURL']   = $anonUrl;
-                       $keys['%24PAGEEDITOR_RAWURL'] = $anonUrl;
-                       $keys['%24PAGEEDITORE']       = $anon;
-                       $keys['$PAGEEDITORE']         = $anon;
-                       $keys['$PAGEEDITOR']          = 'anonymous user ' . $name;
+                       $keys['$PAGEEDITOR']       = 'anonymous user ' . $name;
+                       $keys['$PAGEEDITOR_EMAIL'] = wfMsgForContent( 'noemailtitle' );
                } else {
                        $subject = str_replace('$PAGEEDITOR', $name, $subject);
-                       $keys['$PAGEEDITOR_RAWURL']   = wfUrlencode( $name );
-                       $keys['%24PAGEEDITOR_RAWURL'] = wfUrlencode( $name );
-                       $keys['%24PAGEEDITORE']       = $wgUser->getTitleKey();
-                       $keys['$PAGEEDITORE']         = $wgUser->getTitleKey();
                        $keys['$PAGEEDITOR']          = $name;
+                       $emailPage = Title::makeTitle( NS_SPECIAL, 'Emailuser/' . $name );
+                       $keys['$PAGEEDITOR_EMAIL'] = $emailPage->getFullUrl();
                }
+               $userPage = $wgUser->getUserPage();
+               $keys['$PAGEEDITOR_WIKI'] = $userPage->getFullUrl();
                $body = strtr( $body, $keys );
-       
+               $body = wordwrap( $body, 72 );
+
                # now save this as the constant user-independent part of the message
-               $this->to      = $to;
                $this->from    = $from;
                $this->replyto = $replyto;
                $this->subject = $subject;
@@ -331,7 +381,7 @@ class EmailNotification {
        }
 
 
-       
+
        /**
         * Does the per-user customizations to a notification e-mail (name,
         * timestamp in proper timezone, etc) and sends it out.
@@ -340,29 +390,25 @@ class EmailNotification {
         * @param User $watchingUser
         * @param object $mail
         * @return bool
-        * @access private
+        * @private
         */
        function composeAndSendPersonalisedMail( $watchingUser ) {
                global $wgLang;
                // From the PHP manual:
-               //     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>". 
+               //     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 = $watchingUser->getEmail();
+               $to = new MailAddress( $watchingUser );
                $body = str_replace( '$WATCHINGUSERNAME', $watchingUser->getName() , $this->body );
-               $body = str_replace( '$WATCHINGUSEREMAILADDR', $watchingUser->getEmail(), $body );
-       
+
                $timecorrection = $watchingUser->getOption( 'timecorrection' );
-               if( !$timecorrection ) {
-                       # fail safe - I prefer it. TomGries
-                       $timecorrection = '00:00';
-               }
+
                # $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
                $body = str_replace('$PAGEEDITDATE',
                        $wgLang->timeanddate( $this->timestamp, true, false, $timecorrection ),
                        $body);
-               
+
                $error = userMailer( $to, $this->from, $this->subject, $body, $this->replyto );
                return ($error == '');
        }