MediaWiki 1.7.1 wiederhergestellt

1 files changed, 414 insertions, 0 deletions

diff --git a/includes/UserMailer.php b/includes/UserMailer.php
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+<?php
+/**
+ * UserMailer.php
+ *  Copyright (C) 2004 Thomas Gries <mail@tgries.de>
+ * http://www.mediawiki.org/
+ *
+ * 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
+ *
+ * @author <brion@pobox.com>
+ * @author <mail@tgries.de>
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
+ */
+function wfRFC822Phrase( $phrase ) {
+	$phrase = strtr( $phrase, array( "\r" => '', "\n" => '', '"' => '' ) );
+	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 $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;
+
+	if (is_array( $wgSMTP )) {
+		require_once( 'Mail.php' );
+
+		$timestamp = time();
+		$dest = $to->address;
+
+		$headers['From'] = $from->toString();
+		$headers['To'] = $to->toString();
+		if ( $replyto ) {
+			$headers['Reply-To'] = $replyto;
+		}
+		$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'] . '>'; // FIXME
+		$headers['X-Mailer'] = 'MediaWiki mailer';
+
+		// Create the mail object using the Mail::factory method
+		$mail_object =& Mail::factory('smtp', $wgSMTP);
+		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 '';
+		} elseif (is_object($mailResult)) {
+			wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
+			return $mailResult->getMessage();
+		} 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)
+		$headers =
+			"MIME-Version: 1.0\n" .
+			"Content-type: text/plain; charset={$wgOutputEncoding}\n" .
+			"Content-Transfer-Encoding: 8bit\n" .
+			"X-Mailer: MediaWiki mailer\n".
+			'From: ' . $from->toString() . "\n";
+		if ($replyto) {
+			$headers .= "Reply-To: $replyto\n";
+		}
+
+		$dest = $to->toString();
+
+		$wgErrorString = '';
+		set_error_handler( 'mailErrorHandler' );
+		wfDebug( "Sending mail via internal mail() function to $dest\n" );
+		mail( $dest, wfQuotedPrintable( $subject ), $body, $headers );
+		restore_error_handler();
+
+		if ( $wgErrorString ) {
+			wfDebug( "Error sending mail: $wgErrorString\n" );
+		}
+		return $wgErrorString;
+	}
+}
+
+/**
+ * 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 );
+}
+
+
+/**
+ * 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
+ *
+ * @package MediaWiki
+ *
+ */
+class EmailNotification {
+	/**@{{
+	 * @private
+	 */
+	var $to, $subject, $body, $replyto, $from;
+	var $user, $title, $timestamp, $summary, $minorEdit, $oldid;
+
+	/**@}}*/
+
+	/**
+	 * @todo document
+	 * @param $title Title object
+	 * @param $timestamp
+	 * @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, $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 = $wgEnotifWatchlist;
+
+		if ( (!$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() );
+				}
+			} 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(),
+						$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 && $watchingUser->getOption('enotifusertalkpages') )
+						&& (!$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 ?
+		}
+
+	} # function NotifyOnChange
+
+	/**
+	 * @private
+	 */
+	function composeCommonMailtext() {
+		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
+
+		$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 ) {
+			$difflink = $this->title->getFullUrl( 'diff=0&oldid=' . $this->oldid );
+			$keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited', $difflink );
+			$keys['$OLDID']   = $this->oldid;
+			$keys['$CHANGEDORCREATED'] = wfMsgForContent( 'changed' );
+		} else {
+			$keys['$NEWPAGE'] = wfMsgForContent( 'enotif_newpagetext' );
+			# clear $OLDID placeholder in the message template
+			$keys['$OLDID']   = '';
+			$keys['$CHANGEDORCREATED'] = wfMsgForContent( 'created' );
+		}
+
+		$body = strtr( $body, $keys );
+		$pagetitle = $this->title->getPrefixedText();
+		$keys['$PAGETITLE']          = $pagetitle;
+		$keys['$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 = new MailAddress( $wgEmergencyContact, 'WikiAdmin' );
+		$editorAddress = new MailAddress( $wgUser );
+		if( $wgEnotifRevealEditorAddress
+		    && ( $wgUser->getEmail() != '' )
+		    && $wgUser->getOption( 'enotifrevealaddr' ) ) {
+			if( $wgEnotifFromEditor ) {
+				$from    = $editorAddress;
+			} else {
+				$from    = $adminAddress;
+				$replyto = $editorAddress;
+			}
+		} else {
+			$from    = $adminAddress;
+			$replyto = $wgNoReplyAddress;
+		}
+
+		if( $wgUser->isIP( $name ) ) {
+			#real anon (user:xxx.xxx.xxx.xxx)
+			$subject = str_replace('$PAGEEDITOR', 'anonymous user '. $name, $subject);
+			$keys['$PAGEEDITOR']       = 'anonymous user ' . $name;
+			$keys['$PAGEEDITOR_EMAIL'] = wfMsgForContent( 'noemailtitle' );
+		} else {
+			$subject = str_replace('$PAGEEDITOR', $name, $subject);
+			$keys['$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->from    = $from;
+		$this->replyto = $replyto;
+		$this->subject = $subject;
+		$this->body    = $body;
+	}
+
+
+
+	/**
+	 * 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
+	 * @param object $mail
+	 * @return bool
+	 * @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>".
+		//     The mail command will not parse this properly while talking with the MTA.
+		$to = new MailAddress( $watchingUser );
+		$body = str_replace( '$WATCHINGUSERNAME', $watchingUser->getName() , $this->body );
+
+		$timecorrection = $watchingUser->getOption( 'timecorrection' );
+
+		# $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 == '');
+	}
+
+} # end of class EmailNotification
+?>