3 * Contain classes to list log entries
5 * Copyright © 2004 Brion Vibber <brion@pobox.com>, 2008 Aaron Schulz
6 * http://www.mediawiki.org/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * http://www.gnu.org/copyleft/gpl.html
27 const NO_ACTION_LINK
= 1;
28 const NO_EXTRA_USER_LINKS
= 2;
49 protected $mDefaultQuery;
51 public function __construct( $skin, $out, $flags = 0 ) {
54 $this->flags
= $flags;
55 $this->preCacheMessages();
59 * As we use the same small set of messages in various methods and that
60 * they are called often, we call them once and save them in $this->message
62 private function preCacheMessages() {
63 // Precache various messages
64 if( !isset( $this->message
) ) {
65 $messages = array( 'revertmerge', 'protect_change', 'unblocklink', 'change-blocklink',
66 'revertmove', 'undeletelink', 'undeleteviewlink', 'revdel-restore', 'hist', 'diff',
67 'pipe-separator', 'revdel-restore-deleted', 'revdel-restore-visible' );
68 foreach( $messages as $msg ) {
69 $this->message
[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
75 * Set page title and show header for this log type
79 public function showHeader( $type ) {
80 wfDeprecated( __METHOD__
, '1.19' );
81 // If only one log type is used, then show a special message...
82 $headerType = (count($type) == 1) ?
$type[0] : '';
83 if( LogPage
::isLogType( $headerType ) ) {
84 $page = new LogPage( $headerType );
85 $this->out
->setPageTitle( $page->getName()->text() );
86 $this->out
->addHTML( $page->getDescription()->parseAsBlock() );
88 $this->out
->addHTML( wfMsgExt('alllogstext',array('parseinline')) );
93 * Show options for the log list
95 * @param $types string or Array
98 * @param $pattern String
99 * @param $year Integer: year
100 * @param $month Integer: month
101 * @param $filter: array
102 * @param $tagFilter: array?
104 public function showOptions( $types=array(), $user='', $page='', $pattern='', $year='',
105 $month = '', $filter = null, $tagFilter='' ) {
106 global $wgScript, $wgMiserMode;
109 $title = SpecialPage
::getTitleFor( 'Log' );
110 $special = $title->getPrefixedDBkey();
112 // For B/C, we take strings, but make sure they are converted...
113 $types = ($types === '') ?
array() : (array)$types;
115 $tagSelector = ChangeTags
::buildTagFilterSelector( $tagFilter );
117 $html = Html
::hidden( 'title', $special );
120 $html .= $this->getTypeMenu( $types ) . "\n";
121 $html .= $this->getUserInput( $user ) . "\n";
122 $html .= $this->getTitleInput( $page ) . "\n";
123 $html .= $this->getExtraInputs( $types ) . "\n";
125 // Title pattern, if allowed
127 $html .= $this->getTitlePattern( $pattern ) . "\n";
131 $html .= Xml
::tags( 'p', null, Xml
::dateMenu( $year, $month ) );
135 $html .= Xml
::tags( 'p', null, implode( ' ', $tagSelector ) );
140 $html .= Xml
::tags( 'p', null, $this->getFilterLinks( $filter ) );
144 $html .= Xml
::submitButton( wfMsg( 'allpagessubmit' ) );
147 $html = Xml
::fieldset( wfMsg( 'log' ), $html );
150 $html = Xml
::tags( 'form', array( 'action' => $action, 'method' => 'get' ), $html );
152 $this->out
->addHTML( $html );
156 * @param $filter Array
157 * @return String: Formatted HTML
159 private function getFilterLinks( $filter ) {
162 $messages = array( wfMsgHtml( 'show' ), wfMsgHtml( 'hide' ) );
163 // Option value -> message mapping
165 $hiddens = ''; // keep track for "go" button
166 foreach( $filter as $type => $val ) {
167 // Should the below assignment be outside the foreach?
168 // Then it would have to be copied. Not certain what is more expensive.
169 $query = $this->getDefaultQuery();
170 $queryKey = "hide_{$type}_log";
172 $hideVal = 1 - intval($val);
173 $query[$queryKey] = $hideVal;
175 $link = Linker
::link(
176 $this->getDisplayTitle(),
180 array( 'known', 'noclasses' )
183 $links[$type] = wfMsgHtml( "log-show-hide-{$type}", $link );
184 $hiddens .= Html
::hidden( "hide_{$type}_log", $val ) . "\n";
187 return '<small>'.$wgLang->pipeList( $links ) . '</small>' . $hiddens;
190 private function getDefaultQuery() {
193 if ( !isset( $this->mDefaultQuery
) ) {
194 $this->mDefaultQuery
= $wgRequest->getQueryValues();
195 unset( $this->mDefaultQuery
['title'] );
196 unset( $this->mDefaultQuery
['dir'] );
197 unset( $this->mDefaultQuery
['offset'] );
198 unset( $this->mDefaultQuery
['limit'] );
199 unset( $this->mDefaultQuery
['order'] );
200 unset( $this->mDefaultQuery
['month'] );
201 unset( $this->mDefaultQuery
['year'] );
203 return $this->mDefaultQuery
;
207 * Get the Title object of the page the links should point to.
208 * This is NOT the Title of the page the entries should be restricted to.
210 * @return Title object
212 public function getDisplayTitle() {
213 return $this->out
->getTitle();
216 public function getContext() {
217 return $this->out
->getContext();
221 * @param $queryTypes Array
222 * @return String: Formatted HTML
224 private function getTypeMenu( $queryTypes ) {
225 $queryType = count($queryTypes) == 1 ?
$queryTypes[0] : '';
226 $selector = $this->getTypeSelector();
227 $selector->setDefault( $queryType );
228 return $selector->getHtml();
232 * Returns log page selector.
236 public function getTypeSelector() {
239 $typesByName = array(); // Temporary array
240 // First pass to load the log names
241 foreach( LogPage
::validTypes() as $type ) {
242 $page = new LogPage( $type );
243 $restriction = $page->getRestriction();
244 if ( $wgUser->isAllowed( $restriction ) ) {
245 $typesByName[$type] = $page->getName()->text();
249 // Second pass to sort by name
252 // Always put "All public logs" on top
253 $public = $typesByName[''];
254 unset( $typesByName[''] );
255 $typesByName = array( '' => $public ) +
$typesByName;
257 $select = new XmlSelect( 'type' );
258 foreach( $typesByName as $type => $name ) {
259 $select->addOption( $name, $type );
266 * @param $user String
267 * @return String: Formatted HTML
269 private function getUserInput( $user ) {
270 return '<span style="white-space: nowrap">' .
271 Xml
::inputLabel( wfMsg( 'specialloguserlabel' ), 'user', 'mw-log-user', 15, $user ) .
276 * @param $title String
277 * @return String: Formatted HTML
279 private function getTitleInput( $title ) {
280 return '<span style="white-space: nowrap">' .
281 Xml
::inputLabel( wfMsg( 'speciallogtitlelabel' ), 'page', 'mw-log-page', 20, $title ) .
287 * @return string Checkbox
289 private function getTitlePattern( $pattern ) {
290 return '<span style="white-space: nowrap">' .
291 Xml
::checkLabel( wfMsg( 'log-title-wildcard' ), 'pattern', 'pattern', $pattern ) .
299 private function getExtraInputs( $types ) {
301 $offender = $wgRequest->getVal('offender');
302 $user = User
::newFromName( $offender, false );
303 if( !$user ||
($user->getId() == 0 && !IP
::isIPAddress($offender) ) ) {
304 $offender = ''; // Blank field if invalid
306 if( count($types) == 1 && $types[0] == 'suppress' ) {
307 return Xml
::inputLabel( wfMsg('revdelete-offender'), 'offender',
308 'mw-log-offender', 20, $offender );
316 public function beginLogEventsList() {
323 public function endLogEventsList() {
328 * @param $row Row: a single row from the result set
329 * @return String: Formatted HTML list item
331 public function logLine( $row ) {
332 $entry = DatabaseLogEntry
::newFromRow( $row );
333 $formatter = LogFormatter
::newFromEntry( $entry );
334 $formatter->setShowUserToolLinks( !( $this->flags
& self
::NO_EXTRA_USER_LINKS
) );
336 $action = $formatter->getActionText();
337 $comment = $formatter->getComment();
339 $classes = array( 'mw-logline-' . $entry->getType() );
340 $title = $entry->getTarget();
341 $time = $this->logTimestamp( $entry );
343 // Extract extra parameters
344 $paramArray = LogPage
::extractParams( $row->log_params
);
345 // Add review/revert links and such...
346 $revert = $this->logActionLinks( $row, $title, $paramArray, $comment );
348 // Some user can hide log items and have review links
349 $del = $this->getShowHideLinks( $row );
350 if( $del != '' ) $del .= ' ';
353 list( $tagDisplay, $newClasses ) = ChangeTags
::formatSummaryRow( $row->ts_tags
, 'logevent' );
354 $classes = array_merge( $classes, $newClasses );
356 return Xml
::tags( 'li', array( "class" => implode( ' ', $classes ) ),
357 $del . "$time $action $comment $revert $tagDisplay" ) . "\n";
360 private function logTimestamp( LogEntry
$entry ) {
362 $time = $wgLang->timeanddate( wfTimestamp( TS_MW
, $entry->getTimestamp() ), true );
363 return htmlspecialchars( $time );
370 * @param Title $title
371 * @param Array $paramArray
375 private function logActionLinks( $row, $title, $paramArray, &$comment ) {
377 if( ( $this->flags
& self
::NO_ACTION_LINK
) // we don't want to see the action
378 || self
::isDeleted( $row, LogPage
::DELETED_ACTION
) ) // action is hidden
383 if( self
::typeAction( $row, 'move', 'move', 'move' ) && !empty( $paramArray[0] ) ) {
384 $destTitle = Title
::newFromText( $paramArray[0] );
386 $revert = '(' . Linker
::link(
387 SpecialPage
::getTitleFor( 'Movepage' ),
388 $this->message
['revertmove'],
391 'wpOldTitle' => $destTitle->getPrefixedDBkey(),
392 'wpNewTitle' => $title->getPrefixedDBkey(),
393 'wpReason' => wfMsgForContent( 'revertmove' ),
396 array( 'known', 'noclasses' )
399 // Show undelete link
400 } elseif( self
::typeAction( $row, array( 'delete', 'suppress' ), 'delete', 'deletedhistory' ) ) {
401 if( !$wgUser->isAllowed( 'undelete' ) ) {
402 $viewdeleted = $this->message
['undeleteviewlink'];
404 $viewdeleted = $this->message
['undeletelink'];
406 $revert = '(' . Linker
::link(
407 SpecialPage
::getTitleFor( 'Undelete' ),
410 array( 'target' => $title->getPrefixedDBkey() ),
411 array( 'known', 'noclasses' )
413 // Show unblock/change block link
414 } elseif( self
::typeAction( $row, array( 'block', 'suppress' ), array( 'block', 'reblock' ), 'block' ) ) {
417 SpecialPage
::getTitleFor( 'Unblock', $row->log_title
),
418 $this->message
['unblocklink'],
423 $this->message
['pipe-separator'] .
425 SpecialPage
::getTitleFor( 'Block', $row->log_title
),
426 $this->message
['change-blocklink'],
432 // Show change protection link
433 } elseif( self
::typeAction( $row, 'protect', array( 'modify', 'protect', 'unprotect' ) ) ) {
435 Linker
::link( $title,
436 $this->message
['hist'],
439 'action' => 'history',
440 'offset' => $row->log_timestamp
443 if( $wgUser->isAllowed( 'protect' ) ) {
444 $revert .= $this->message
['pipe-separator'] .
445 Linker
::link( $title,
446 $this->message
['protect_change'],
448 array( 'action' => 'protect' ),
453 } elseif( self
::typeAction( $row, 'merge', 'merge', 'mergehistory' ) ) {
454 $revert = '(' . Linker
::link(
455 SpecialPage
::getTitleFor( 'MergeHistory' ),
456 $this->message
['revertmerge'],
459 'target' => $paramArray[0],
460 'dest' => $title->getPrefixedDBkey(),
461 'mergepoint' => $paramArray[1]
463 array( 'known', 'noclasses' )
465 // If an edit was hidden from a page give a review link to the history
466 } elseif( self
::typeAction( $row, array( 'delete', 'suppress' ), 'revision', 'deletedhistory' ) ) {
467 $revert = RevisionDeleter
::getLogLinks( $title, $paramArray,
469 // Hidden log items, give review link
470 } elseif( self
::typeAction( $row, array( 'delete', 'suppress' ), 'event', 'deletedhistory' ) ) {
471 if( count($paramArray) >= 1 ) {
472 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
473 // $paramArray[1] is a CSV of the IDs
474 $query = $paramArray[0];
475 // Link to each hidden object ID, $paramArray[1] is the url param
476 $revert = '(' . Linker
::link(
478 $this->message
['revdel-restore'],
481 'target' => $title->getPrefixedText(),
485 array( 'known', 'noclasses' )
488 // Do nothing. The implementation is handled by the hook modifiying the passed-by-ref parameters.
490 wfRunHooks( 'LogLine', array( $row->log_type
, $row->log_action
, $title, $paramArray,
491 &$comment, &$revert, $row->log_timestamp
) );
493 if( $revert != '' ) {
494 $revert = '<span class="mw-logevent-actionlink">' . $revert . '</span>';
503 private function getShowHideLinks( $row ) {
505 if( ( $this->flags
& self
::NO_ACTION_LINK
) // we don't want to see the links
506 ||
$row->log_type
== 'suppress' ) { // no one can hide items from the suppress log
510 // Don't show useless link to people who cannot hide revisions
511 if( $wgUser->isAllowed( 'deletedhistory' ) ) {
512 if( $row->log_deleted ||
$wgUser->isAllowed( 'deleterevision' ) ) {
513 $canHide = $wgUser->isAllowed( 'deleterevision' );
514 // If event was hidden from sysops
515 if( !self
::userCan( $row, LogPage
::DELETED_RESTRICTED
) ) {
516 $del = Linker
::revDeleteLinkDisabled( $canHide );
518 $target = SpecialPage
::getTitleFor( 'Log', $row->log_type
);
520 'target' => $target->getPrefixedDBkey(),
522 'ids' => $row->log_id
,
524 $del = Linker
::revDeleteLink( $query,
525 self
::isDeleted( $row, LogPage
::DELETED_RESTRICTED
), $canHide );
534 * @param $type Mixed: string/array
535 * @param $action Mixed: string/array
536 * @param $right string
539 public static function typeAction( $row, $type, $action, $right='' ) {
540 $match = is_array($type) ?
541 in_array( $row->log_type
, $type ) : $row->log_type
== $type;
543 $match = is_array( $action ) ?
544 in_array( $row->log_action
, $action ) : $row->log_action
== $action;
545 if( $match && $right ) {
547 $match = $wgUser->isAllowed( $right );
554 * Determine if the current user is allowed to view a particular
555 * field of this log row, if it's marked as deleted.
558 * @param $field Integer
559 * @param $user User object to check, or null to use $wgUser
562 public static function userCan( $row, $field, User
$user = null ) {
563 return self
::userCanBitfield( $row->log_deleted
, $field, $user );
567 * Determine if the current user is allowed to view a particular
568 * field of this log row, if it's marked as deleted.
570 * @param $bitfield Integer (current field)
571 * @param $field Integer
572 * @param $user User object to check, or null to use $wgUser
575 public static function userCanBitfield( $bitfield, $field, User
$user = null ) {
576 if( $bitfield & $field ) {
577 if ( $bitfield & LogPage
::DELETED_RESTRICTED
) {
578 $permission = 'suppressrevision';
580 $permission = 'deletedhistory';
582 wfDebug( "Checking for $permission due to $field match on $bitfield\n" );
583 if ( $user === null ) {
587 return $user->isAllowed( $permission );
595 * @param $field Integer: one of DELETED_* bitfield constants
598 public static function isDeleted( $row, $field ) {
599 return ( $row->log_deleted
& $field ) == $field;
603 * Show log extract. Either with text and a box (set $msgKey) or without (don't set $msgKey)
605 * @param $out OutputPage|String-by-reference
606 * @param $types String|Array Log types to show
607 * @param $page String|Title The page title to show log entries for
608 * @param $user String The user who made the log entries
609 * @param $param Associative Array with the following additional options:
610 * - lim Integer Limit of items to show, default is 50
611 * - conds Array Extra conditions for the query (e.g. "log_action != 'revision'")
612 * - showIfEmpty boolean Set to false if you don't want any output in case the loglist is empty
613 * if set to true (default), "No matching items in log" is displayed if loglist is empty
614 * - msgKey Array If you want a nice box with a message, set this to the key of the message.
615 * First element is the message key, additional optional elements are parameters for the key
616 * that are processed with wfMsgExt and option 'parse'
617 * - offset Set to overwrite offset parameter in $wgRequest
618 * set to '' to unset offset
619 * - wrap String Wrap the message in html (usually something like "<div ...>$1</div>").
620 * - flags Integer display flags (NO_ACTION_LINK,NO_EXTRA_USER_LINKS)
621 * @return Integer Number of total log items (not limited by $lim)
623 public static function showLogExtract(
624 &$out, $types=array(), $page='', $user='', $param = array()
626 $defaultParameters = array(
629 'showIfEmpty' => true,
630 'msgKey' => array(''),
634 # The + operator appends elements of remaining keys from the right
635 # handed array to the left handed, whereas duplicated keys are NOT overwritten.
636 $param +
= $defaultParameters;
637 # Convert $param array to individual variables
638 $lim = $param['lim'];
639 $conds = $param['conds'];
640 $showIfEmpty = $param['showIfEmpty'];
641 $msgKey = $param['msgKey'];
642 $wrap = $param['wrap'];
643 $flags = $param['flags'];
644 if ( !is_array( $msgKey ) ) {
645 $msgKey = array( $msgKey );
648 if ( $out instanceof OutputPage
) {
649 $context = $out->getContext();
651 $context = RequestContext
::getMain();
654 # Insert list of top 50 (or top $lim) items
655 $loglist = new LogEventsList( $context->getSkin(), $context->getOutput(), $flags );
656 $pager = new LogPager( $loglist, $types, $user, $page, '', $conds );
657 if ( isset( $param['offset'] ) ) { # Tell pager to ignore $wgRequest offset
658 $pager->setOffset( $param['offset'] );
660 if( $lim > 0 ) $pager->mLimit
= $lim;
661 $logBody = $pager->getBody();
665 $s = '<div class="mw-warning-with-logexcerpt">';
667 if ( count( $msgKey ) == 1 ) {
668 $s .= wfMsgExt( $msgKey[0], array( 'parse' ) );
669 } else { // Process additional arguments
671 array_shift( $args );
672 $s .= wfMsgExt( $msgKey[0], array( 'parse' ), $args );
675 $s .= $loglist->beginLogEventsList() .
677 $loglist->endLogEventsList();
679 if ( $showIfEmpty ) {
680 $s = Html
::rawElement( 'div', array( 'class' => 'mw-warning-logempty' ),
681 wfMsgExt( 'logempty', array( 'parseinline' ) ) );
684 if( $pager->getNumRows() > $pager->mLimit
) { # Show "Full log" link
686 if ( $page instanceof Title
) {
687 $urlParam['page'] = $page->getPrefixedDBkey();
688 } elseif ( $page != '' ) {
689 $urlParam['page'] = $page;
692 $urlParam['user'] = $user;
693 if ( !is_array( $types ) ) # Make it an array, if it isn't
694 $types = array( $types );
695 # If there is exactly one log type, we can link to Special:Log?type=foo
696 if ( count( $types ) == 1 )
697 $urlParam['type'] = $types[0];
699 SpecialPage
::getTitleFor( 'Log' ),
700 wfMsgHtml( 'log-fulllog' ),
705 if ( $logBody && $msgKey[0] ) {
709 if ( $wrap != '' ) { // Wrap message in html
710 $s = str_replace( '$1', $s, $wrap );
713 /* hook can return false, if we don't want the message to be emitted (Wikia BugId:7093) */
714 if ( wfRunHooks( 'LogEventsListShowLogExtract', array( &$s, $types, $page, $user, $param ) ) ) {
715 // $out can be either an OutputPage object or a String-by-reference
716 if ( $out instanceof OutputPage
){
723 return $pager->getNumRows();
727 * SQL clause to skip forbidden log types for this user
729 * @param $db DatabaseBase
730 * @param $audience string, public/user
731 * @return Mixed: string or false
733 public static function getExcludeClause( $db, $audience = 'public' ) {
734 global $wgLogRestrictions, $wgUser;
735 // Reset the array, clears extra "where" clauses when $par is used
736 $hiddenLogs = array();
737 // Don't show private logs to unprivileged users
738 foreach( $wgLogRestrictions as $logType => $right ) {
739 if( $audience == 'public' ||
!$wgUser->isAllowed($right) ) {
740 $safeType = $db->strencode( $logType );
741 $hiddenLogs[] = $safeType;
744 if( count($hiddenLogs) == 1 ) {
745 return 'log_type != ' . $db->addQuotes( $hiddenLogs[0] );
746 } elseif( $hiddenLogs ) {
747 return 'log_type NOT IN (' . $db->makeList($hiddenLogs) . ')';