<?php
/**
* Utility class for creating and accessing recent change entries.
*
* 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
*/
/**
* Utility class for creating new RC entries
*
* mAttribs:
* rc_id id of the row in the recentchanges table
* rc_timestamp time the entry was made
* rc_cur_time timestamp on the cur row
* rc_namespace namespace #
* rc_title non-prefixed db key
* rc_type is new entry, used to determine whether updating is necessary
* rc_minor is minor
* rc_cur_id page_id of associated page entry
* rc_user user id who made the entry
* rc_user_text user name who made the entry
* rc_comment edit summary
* rc_this_oldid rev_id associated with this entry (or zero)
* rc_last_oldid rev_id associated with the entry before this one (or zero)
* rc_bot is bot, hidden
* rc_ip IP address of the user in dotted quad notation
* rc_new obsolete, use rc_type==RC_NEW
* rc_patrolled boolean whether or not someone has marked this edit as patrolled
* rc_old_len integer byte length of the text before the edit
* rc_new_len the same after the edit
* rc_deleted partial deletion
* rc_logid the log_id value for this log entry (or zero)
* rc_log_type the log type (or null)
* rc_log_action the log action (or null)
* rc_params log params
*
* mExtra:
* prefixedDBkey prefixed db key, used by external app via msg queue
* lastTimestamp timestamp of previous entry, used in WHERE clause during update
* lang the interwiki prefix, automatically set in save()
* oldSize text size before the change
* newSize text size after the change
* pageStatus status of the page: created, deleted, moved, restored, changed
*
* temporary: not stored in the database
* notificationtimestamp
* numberofWatchingusers
*
* @todo document functions and variables
*/
class RecentChange {
var $mAttribs = array(), $mExtra = array();
/**
* @var Title
*/
var $mTitle = false;
/**
* @var User
*/
private $mPerformer = false;
/**
* @var Title
*/
var $mMovedToTitle = false;
var $numberofWatchingusers = 0; # Dummy to prevent error message in SpecialRecentchangeslinked
var $notificationtimestamp;
# Factory methods
/**
* @param $row
* @return RecentChange
*/
public static function newFromRow( $row ) {
$rc = new RecentChange;
$rc->loadFromRow( $row );
return $rc;
}
/**
* @deprecated in 1.22
* @param $row
* @return RecentChange
*/
public static function newFromCurRow( $row ) {
wfDeprecated( __METHOD__, '1.22' );
$rc = new RecentChange;
$rc->loadFromCurRow( $row );
$rc->notificationtimestamp = false;
$rc->numberofWatchingusers = false;
return $rc;
}
/**
* Obtain the recent change with a given rc_id value
*
* @param int $rcid rc_id value to retrieve
* @return RecentChange
*/
public static function newFromId( $rcid ) {
return self::newFromConds( array( 'rc_id' => $rcid ), __METHOD__ );
}
/**
* Find the first recent change matching some specific conditions
*
* @param array $conds of conditions
* @param $fname Mixed: override the method name in profiling/logs
* @param $options Array Query options
* @return RecentChange
*/
public static function newFromConds( $conds, $fname = __METHOD__, $options = array() ) {
$dbr = wfGetDB( DB_SLAVE );
$row = $dbr->selectRow( 'recentchanges', self::selectFields(), $conds, $fname, $options );
if ( $row !== false ) {
return self::newFromRow( $row );
} else {
return null;
}
}
/**
* Return the list of recentchanges fields that should be selected to create
* a new recentchanges object.
* @return array
*/
public static function selectFields() {
return array(
'rc_id',
'rc_timestamp',
'rc_cur_time',
'rc_user',
'rc_user_text',
'rc_namespace',
'rc_title',
'rc_comment',
'rc_minor',
'rc_bot',
'rc_new',
'rc_cur_id',
'rc_this_oldid',
'rc_last_oldid',
'rc_type',
'rc_patrolled',
'rc_ip',
'rc_old_len',
'rc_new_len',
'rc_deleted',
'rc_logid',
'rc_log_type',
'rc_log_action',
'rc_params',
);
}
# Accessors
/**
* @param $attribs array
*/
public function setAttribs( $attribs ) {
$this->mAttribs = $attribs;
}
/**
* @param $extra array
*/
public function setExtra( $extra ) {
$this->mExtra = $extra;
}
/**
*
* @return Title
*/
public function &getTitle() {
if ( $this->mTitle === false ) {
$this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
}
return $this->mTitle;
}
/**
* Get the User object of the person who performed this change.
*
* @return User
*/
public function getPerformer() {
if ( $this->mPerformer === false ) {
if ( $this->mAttribs['rc_user'] ) {
$this->mPerformer = User::newFromID( $this->mAttribs['rc_user'] );
} else {
$this->mPerformer = User::newFromName( $this->mAttribs['rc_user_text'], false );
}
}
return $this->mPerformer;
}
/**
* Writes the data in this object to the database
* @param $noudp bool
*/
public function save( $noudp = false ) {
global $wgLocalInterwiki, $wgPutIPinRC, $wgUseEnotif, $wgShowUpdatedMarker, $wgContLang;
$dbw = wfGetDB( DB_MASTER );
if ( !is_array( $this->mExtra ) ) {
$this->mExtra = array();
}
$this->mExtra['lang'] = $wgLocalInterwiki;
if ( !$wgPutIPinRC ) {
$this->mAttribs['rc_ip'] = '';
}
# If our database is strict about IP addresses, use NULL instead of an empty string
if ( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
unset( $this->mAttribs['rc_ip'] );
}
# Trim spaces on user supplied text
$this->mAttribs['rc_comment'] = trim( $this->mAttribs['rc_comment'] );
# Make sure summary is truncated (whole multibyte characters)
$this->mAttribs['rc_comment'] = $wgContLang->truncate( $this->mAttribs['rc_comment'], 255 );
# Fixup database timestamps
$this->mAttribs['rc_timestamp'] = $dbw->timestamp( $this->mAttribs['rc_timestamp'] );
$this->mAttribs['rc_cur_time'] = $dbw->timestamp( $this->mAttribs['rc_cur_time'] );
$this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'recentchanges_rc_id_seq' );
## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
if ( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id'] == 0 ) {
unset( $this->mAttribs['rc_cur_id'] );
}
# Insert new row
$dbw->insert( 'recentchanges', $this->mAttribs, __METHOD__ );
# Set the ID
$this->mAttribs['rc_id'] = $dbw->insertId();
# Notify extensions
wfRunHooks( 'RecentChange_save', array( &$this ) );
# Notify external application via UDP
if ( !$noudp ) {
$this->notifyRCFeeds();
}
# E-mail notifications
if ( $wgUseEnotif || $wgShowUpdatedMarker ) {
$editor = $this->getPerformer();
$title = $this->getTitle();
if ( wfRunHooks( 'AbortEmailNotification', array( $editor, $title ) ) ) {
# @todo FIXME: This would be better as an extension hook
$enotif = new EmailNotification();
$enotif->notifyOnPageChange( $editor, $title,
$this->mAttribs['rc_timestamp'],
$this->mAttribs['rc_comment'],
$this->mAttribs['rc_minor'],
$this->mAttribs['rc_last_oldid'],
$this->mExtra['pageStatus'] );
}
}
}
/**
* @deprecated since 1.22, use notifyRCFeeds instead.
*/
public function notifyRC2UDP() {
wfDeprecated( __METHOD__, '1.22' );
$this->notifyRCFeeds();
}
/**
* Send some text to UDP.
* @deprecated since 1.22
*/
public static function sendToUDP( $line, $address = '', $prefix = '', $port = '' ) {
global $wgRC2UDPAddress, $wgRC2UDPInterwikiPrefix, $wgRC2UDPPort, $wgRC2UDPPrefix;
wfDeprecated( __METHOD__, '1.22' );
# Assume default for standard RC case
$address = $address ? $address : $wgRC2UDPAddress;
$prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
$port = $port ? $port : $wgRC2UDPPort;
$engine = new UDPRCFeedEngine();
$feed = array(
'uri' => "udp://$address:$port/$prefix",
'formatter' => 'IRCColourfulRCFeedFormatter',
'add_interwiki_prefix' => $wgRC2UDPInterwikiPrefix,
);
return $engine->send( $feed, $line );
}
/**
* Notify all the feeds about the change.
*/
public function notifyRCFeeds() {
global $wgRCFeeds;
foreach ( $wgRCFeeds as $feed ) {
$engine = self::getEngine( $feed['uri'] );
if ( isset( $this->mExtra['actionCommentIRC'] ) ) {
$actionComment = $this->mExtra['actionCommentIRC'];
} else {
$actionComment = null;
}
$omitBots = isset( $feed['omit_bots'] ) ? $feed['omit_bots'] : false;
if (
( $omitBots && $this->mAttribs['rc_bot'] ) ||
$this->mAttribs['rc_type'] == RC_EXTERNAL
) {
continue;
}
$formatter = new $feed['formatter']();
$line = $formatter->getLine( $feed, $this, $actionComment );
$engine->send( $feed, $line );
}
}
/**
* Gets the stream engine object for a given URI from $wgRCEngines
*
* @param $uri string URI to get the engine object for
* @return object The engine object
*/
private static function getEngine( $uri ) {
global $wgRCEngines;
$scheme = parse_url( $uri, PHP_URL_SCHEME );
if ( !$scheme ) {
throw new MWException( __FUNCTION__ . ": Invalid stream logger URI: '$uri'" );
}
if ( !isset( $wgRCEngines[$scheme] ) ) {
throw new MWException( __FUNCTION__ . ": Unknown stream logger URI scheme: $scheme" );
}
return new $wgRCEngines[$scheme];
}
/**
* @deprecated since 1.22, moved to IRCColourfulRCFeedFormatter
*/
public static function cleanupForIRC( $text ) {
wfDeprecated( __METHOD__, '1.22' );
return IRCColourfulRCFeedFormatter::cleanupForIRC( $text );
}
/**
* Mark a given change as patrolled
*
* @param $change Mixed: RecentChange or corresponding rc_id
* @param $auto Boolean: for automatic patrol
* @return Array See doMarkPatrolled(), or null if $change is not an existing rc_id
*/
public static function markPatrolled( $change, $auto = false ) {
global $wgUser;
$change = $change instanceof RecentChange
? $change
: RecentChange::newFromId( $change );
if ( !$change instanceof RecentChange ) {
return null;
}
return $change->doMarkPatrolled( $wgUser, $auto );
}
/**
* Mark this RecentChange as patrolled
*
* NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
* @param $user User object doing the action
* @param $auto Boolean: for automatic patrol
* @return array of permissions errors, see Title::getUserPermissionsErrors()
*/
public function doMarkPatrolled( User $user, $auto = false ) {
global $wgUseRCPatrol, $wgUseNPPatrol;
$errors = array();
// If recentchanges patrol is disabled, only new pages
// can be patrolled
if ( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute( 'rc_type' ) != RC_NEW ) ) {
$errors[] = array( 'rcpatroldisabled' );
}
// Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
$right = $auto ? 'autopatrol' : 'patrol';
$errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $user ) );
if ( !wfRunHooks( 'MarkPatrolled', array( $this->getAttribute( 'rc_id' ), &$user, false ) ) ) {
$errors[] = array( 'hookaborted' );
}
// Users without the 'autopatrol' right can't patrol their
// own revisions
if ( $user->getName() == $this->getAttribute( 'rc_user_text' ) && !$user->isAllowed( 'autopatrol' ) ) {
$errors[] = array( 'markedaspatrollederror-noautopatrol' );
}
if ( $errors ) {
return $errors;
}
// If the change was patrolled already, do nothing
if ( $this->getAttribute( 'rc_patrolled' ) ) {
return array();
}
// Actually set the 'patrolled' flag in RC
$this->reallyMarkPatrolled();
// Log this patrol event
PatrolLog::record( $this, $auto, $user );
wfRunHooks( 'MarkPatrolledComplete', array( $this->getAttribute( 'rc_id' ), &$user, false ) );
return array();
}
/**
* Mark this RecentChange patrolled, without error checking
* @return Integer: number of affected rows
*/
public function reallyMarkPatrolled() {
$dbw = wfGetDB( DB_MASTER );
$dbw->update(
'recentchanges',
array(
'rc_patrolled' => 1
),
array(
'rc_id' => $this->getAttribute( 'rc_id' )
),
__METHOD__
);
// Invalidate the page cache after the page has been patrolled
// to make sure that the Patrol link isn't visible any longer!
$this->getTitle()->invalidateCache();
return $dbw->affectedRows();
}
/**
* Makes an entry in the database corresponding to an edit
*
* @param $timestamp
* @param $title Title
* @param $minor
* @param $user User
* @param $comment
* @param $oldId
* @param $lastTimestamp
* @param $bot
* @param $ip string
* @param $oldSize int
* @param $newSize int
* @param $newId int
* @param $patrol int
* @return RecentChange
*/
public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
$lastTimestamp, $bot, $ip = '', $oldSize = 0, $newSize = 0, $newId = 0, $patrol = 0 ) {
$rc = new RecentChange;
$rc->mTitle = $title;
$rc->mPerformer = $user;
$rc->mAttribs = array(
'rc_timestamp' => $timestamp,
'rc_cur_time' => $timestamp,
'rc_namespace' => $title->getNamespace(),
'rc_title' => $title->getDBkey(),
'rc_type' => RC_EDIT,
'rc_minor' => $minor ? 1 : 0,
'rc_cur_id' => $title->getArticleID(),
'rc_user' => $user->getId(),
'rc_user_text' => $user->getName(),
'rc_comment' => $comment,
'rc_this_oldid' => $newId,
'rc_last_oldid' => $oldId,
'rc_bot' => $bot ? 1 : 0,
'rc_ip' => self::checkIPAddress( $ip ),
'rc_patrolled' => intval( $patrol ),
'rc_new' => 0, # obsolete
'rc_old_len' => $oldSize,
'rc_new_len' => $newSize,
'rc_deleted' => 0,
'rc_logid' => 0,
'rc_log_type' => null,
'rc_log_action' => '',
'rc_params' => ''
);
$rc->mExtra = array(
'prefixedDBkey' => $title->getPrefixedDBkey(),
'lastTimestamp' => $lastTimestamp,
'oldSize' => $oldSize,
'newSize' => $newSize,
'pageStatus' => 'changed'
);
$rc->save();
return $rc;
}
/**
* Makes an entry in the database corresponding to page creation
* Note: the title object must be loaded with the new id using resetArticleID()
* @todo Document parameters and return
*
* @param $timestamp
* @param $title Title
* @param $minor
* @param $user User
* @param $comment
* @param $bot
* @param $ip string
* @param $size int
* @param $newId int
* @param $patrol int
* @return RecentChange
*/
public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
$ip = '', $size = 0, $newId = 0, $patrol = 0 ) {
$rc = new RecentChange;
$rc->mTitle = $title;
$rc->mPerformer = $user;
$rc->mAttribs = array(
'rc_timestamp' => $timestamp,
'rc_cur_time' => $timestamp,
'rc_namespace' => $title->getNamespace(),
'rc_title' => $title->getDBkey(),
'rc_type' => RC_NEW,
'rc_minor' => $minor ? 1 : 0,
'rc_cur_id' => $title->getArticleID(),
'rc_user' => $user->getId(),
'rc_user_text' => $user->getName(),
'rc_comment' => $comment,
'rc_this_oldid' => $newId,
'rc_last_oldid' => 0,
'rc_bot' => $bot ? 1 : 0,
'rc_ip' => self::checkIPAddress( $ip ),
'rc_patrolled' => intval( $patrol ),
'rc_new' => 1, # obsolete
'rc_old_len' => 0,
'rc_new_len' => $size,
'rc_deleted' => 0,
'rc_logid' => 0,
'rc_log_type' => null,
'rc_log_action' => '',
'rc_params' => ''
);
$rc->mExtra = array(
'prefixedDBkey' => $title->getPrefixedDBkey(),
'lastTimestamp' => 0,
'oldSize' => 0,
'newSize' => $size,
'pageStatus' => 'created'
);
$rc->save();
return $rc;
}
/**
* @param $timestamp
* @param $title
* @param $user
* @param $actionComment
* @param $ip string
* @param $type
* @param $action
* @param $target
* @param $logComment
* @param $params
* @param $newId int
* @param $actionCommentIRC string
* @return bool
*/
public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip, $type,
$action, $target, $logComment, $params, $newId = 0, $actionCommentIRC = '' )
{
global $wgLogRestrictions;
# Don't add private logs to RC!
if ( isset( $wgLogRestrictions[$type] ) && $wgLogRestrictions[$type] != '*' ) {
return false;
}
$rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
$target, $logComment, $params, $newId, $actionCommentIRC );
$rc->save();
return true;
}
/**
* @param $timestamp
* @param $title Title
* @param $user User
* @param $actionComment
* @param $ip string
* @param $type
* @param $action
* @param $target Title
* @param $logComment
* @param $params
* @param $newId int
* @param $actionCommentIRC string
* @return RecentChange
*/
public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip,
$type, $action, $target, $logComment, $params, $newId = 0, $actionCommentIRC = '' ) {
global $wgRequest;
## Get pageStatus for email notification
switch ( $type . '-' . $action ) {
case 'delete-delete':
$pageStatus = 'deleted';
break;
case 'move-move':
case 'move-move_redir':
$pageStatus = 'moved';
break;
case 'delete-restore':
$pageStatus = 'restored';
break;
case 'upload-upload':
$pageStatus = 'created';
break;
case 'upload-overwrite':
default:
$pageStatus = 'changed';
break;
}
$rc = new RecentChange;
$rc->mTitle = $target;
$rc->mPerformer = $user;
$rc->mAttribs = array(
'rc_timestamp' => $timestamp,
'rc_cur_time' => $timestamp,
'rc_namespace' => $target->getNamespace(),
'rc_title' => $target->getDBkey(),
'rc_type' => RC_LOG,
'rc_minor' => 0,
'rc_cur_id' => $target->getArticleID(),
'rc_user' => $user->getId(),
'rc_user_text' => $user->getName(),
'rc_comment' => $logComment,
'rc_this_oldid' => 0,
'rc_last_oldid' => 0,
'rc_bot' => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
'rc_ip' => self::checkIPAddress( $ip ),
'rc_patrolled' => 1,
'rc_new' => 0, # obsolete
'rc_old_len' => null,
'rc_new_len' => null,
'rc_deleted' => 0,
'rc_logid' => $newId,
'rc_log_type' => $type,
'rc_log_action' => $action,
'rc_params' => $params
);
$rc->mExtra = array(
'prefixedDBkey' => $title->getPrefixedDBkey(),
'lastTimestamp' => 0,
'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
'pageStatus' => $pageStatus,
'actionCommentIRC' => $actionCommentIRC
);
return $rc;
}
/**
* Initialises the members of this object from a mysql row object
*
* @param $row
*/
public function loadFromRow( $row ) {
$this->mAttribs = get_object_vars( $row );
$this->mAttribs['rc_timestamp'] = wfTimestamp( TS_MW, $this->mAttribs['rc_timestamp'] );
$this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
}
/**
* Makes a pseudo-RC entry from a cur row
*
* @deprected in 1.22
* @param $row
*/
public function loadFromCurRow( $row ) {
wfDeprecated( __METHOD__, '1.22' );
$this->mAttribs = array(
'rc_timestamp' => wfTimestamp( TS_MW, $row->rev_timestamp ),
'rc_cur_time' => $row->rev_timestamp,
'rc_user' => $row->rev_user,
'rc_user_text' => $row->rev_user_text,
'rc_namespace' => $row->page_namespace,
'rc_title' => $row->page_title,
'rc_comment' => $row->rev_comment,
'rc_minor' => $row->rev_minor_edit ? 1 : 0,
'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
'rc_cur_id' => $row->page_id,
'rc_this_oldid' => $row->rev_id,
'rc_last_oldid' => isset( $row->rc_last_oldid ) ? $row->rc_last_oldid : 0,
'rc_bot' => 0,
'rc_ip' => '',
'rc_id' => $row->rc_id,
'rc_patrolled' => $row->rc_patrolled,
'rc_new' => $row->page_is_new, # obsolete
'rc_old_len' => $row->rc_old_len,
'rc_new_len' => $row->rc_new_len,
'rc_params' => isset( $row->rc_params ) ? $row->rc_params : '',
'rc_log_type' => isset( $row->rc_log_type ) ? $row->rc_log_type : null,
'rc_log_action' => isset( $row->rc_log_action ) ? $row->rc_log_action : null,
'rc_logid' => isset( $row->rc_logid ) ? $row->rc_logid : 0,
'rc_deleted' => $row->rc_deleted // MUST be set
);
}
/**
* Get an attribute value
*
* @param string $name Attribute name
* @return mixed
*/
public function getAttribute( $name ) {
return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : null;
}
/**
* @return array
*/
public function getAttributes() {
return $this->mAttribs;
}
/**
* Gets the end part of the diff URL associated with this object
* Blank if no diff link should be displayed
* @param $forceCur
* @return string
*/
public function diffLinkTrail( $forceCur ) {
if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
$trail = "curid=" . (int)( $this->mAttribs['rc_cur_id'] ) .
"&oldid=" . (int)( $this->mAttribs['rc_last_oldid'] );
if ( $forceCur ) {
$trail .= '&diff=0';
} else {
$trail .= '&diff=' . (int)( $this->mAttribs['rc_this_oldid'] );
}
} else {
$trail = '';
}
return $trail;
}
/**
* Returns the change size (HTML).
* The lengths can be given optionally.
* @param $old int
* @param $new int
* @return string
*/
public function getCharacterDifference( $old = 0, $new = 0 ) {
if ( $old === 0 ) {
$old = $this->mAttribs['rc_old_len'];
}
if ( $new === 0 ) {
$new = $this->mAttribs['rc_new_len'];
}
if ( $old === null || $new === null ) {
return '';
}
return ChangesList::showCharacterDifference( $old, $new );
}
/**
* Purge expired changes from the recentchanges table
* @since 1.22
*/
public static function purgeExpiredChanges() {
if ( wfReadOnly() ) {
return;
}
$method = __METHOD__;
$dbw = wfGetDB( DB_MASTER );
$dbw->onTransactionIdle( function() use ( $dbw, $method ) {
global $wgRCMaxAge;
$cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
$dbw->delete(
'recentchanges',
array( 'rc_timestamp < ' . $dbw->addQuotes( $cutoff ) ),
$method
);
} );
}
private static function checkIPAddress( $ip ) {
global $wgRequest;
if ( $ip ) {
if ( !IP::isIPAddress( $ip ) ) {
throw new MWException( "Attempt to write \"" . $ip . "\" as an IP address into recent changes" );
}
} else {
$ip = $wgRequest->getIP();
if ( !$ip ) {
$ip = '';
}
}
return $ip;
}
/**
* Check whether the given timestamp is new enough to have a RC row with a given tolerance
* as the recentchanges table might not be cleared out regularly (so older entries might exist)
* or rows which will be deleted soon shouldn't be included.
*
* @param $timestamp mixed MWTimestamp compatible timestamp
* @param $tolerance integer Tolerance in seconds
* @return bool
*/
public static function isInRCLifespan( $timestamp, $tolerance = 0 ) {
global $wgRCMaxAge;
return wfTimestamp( TS_UNIX, $timestamp ) > time() - $tolerance - $wgRCMaxAge;
}
}