includes/logging/LogEventsList.php

   1 <?php
   2 /**
   3  * Contain classes to list log entries
   4  *
   5  * Copyright © 2004 Brion Vibber <brion@pobox.com>, 2008 Aaron Schulz
   6  * https://www.mediawiki.org/
   7  *
   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.
  12  *
  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.
  17  *
  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
  22  *
  23  * @file
  24  */
  25
  26 use MediaWiki\MediaWikiServices;
  27 use Wikimedia\Rdbms\IDatabase;
  28
  29 class LogEventsList extends ContextSource {
  30         const NO_ACTION_LINK = 1;
  31         const NO_EXTRA_USER_LINKS = 2;
  32         const USE_CHECKBOXES = 4;
  33
  34         public $flags;
  35
  36         /**
  37          * @var array
  38          */
  39         protected $mDefaultQuery;
  40
  41         /**
  42          * @var bool
  43          */
  44         protected $showTagEditUI;
  45
  46         /**
  47          * @var array
  48          */
  49         protected $allowedActions = null;
  50
  51         /**
  52          * Constructor.
  53          * The first two parameters used to be $skin and $out, but now only a context
  54          * is needed, that's why there's a second unused parameter.
  55          *
  56          * @param IContextSource|Skin $context Context to use; formerly it was
  57          *   a Skin object. Use of Skin is deprecated.
  58          * @param null $unused Unused; used to be an OutputPage object.
  59          * @param int $flags Can be a combination of self::NO_ACTION_LINK,
  60          *   self::NO_EXTRA_USER_LINKS or self::USE_CHECKBOXES.
  61          */
  62         public function __construct( $context, $unused = null, $flags = 0 ) {
  63                 if ( $context instanceof IContextSource ) {
  64                         $this->setContext( $context );
  65                 } else {
  66                         // Old parameters, $context should be a Skin object
  67                         $this->setContext( $context->getContext() );
  68                 }
  69
  70                 $this->flags = $flags;
  71                 $this->showTagEditUI = ChangeTags::showTagEditingUI( $this->getUser() );
  72         }
  73
  74         /**
  75          * Show options for the log list
  76          *
  77          * @param array|string $types
  78          * @param string $user
  79          * @param string $page
  80          * @param string $pattern
  81          * @param int $year Year
  82          * @param int $month Month
  83          * @param array $filter
  84          * @param string $tagFilter Tag to select by default
  85          * @param string $action
  86          */
  87         public function showOptions( $types = [], $user = '', $page = '', $pattern = '', $year = 0,
  88                 $month = 0, $filter = null, $tagFilter = '', $action = null
  89         ) {
  90                 global $wgScript, $wgMiserMode;
  91
  92                 $title = SpecialPage::getTitleFor( 'Log' );
  93
  94                 // For B/C, we take strings, but make sure they are converted...
  95                 $types = ( $types === '' ) ? [] : (array)$types;
  96
  97                 $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter, false, $this->getContext() );
  98
  99                 $html = Html::hidden( 'title', $title->getPrefixedDBkey() );
 100
 101                 // Basic selectors
 102                 $html .= $this->getTypeMenu( $types ) . "\n";
 103                 $html .= $this->getUserInput( $user ) . "\n";
 104                 $html .= $this->getTitleInput( $page ) . "\n";
 105                 $html .= $this->getExtraInputs( $types ) . "\n";
 106
 107                 // Title pattern, if allowed
 108                 if ( !$wgMiserMode ) {
 109                         $html .= $this->getTitlePattern( $pattern ) . "\n";
 110                 }
 111
 112                 // date menu
 113                 $html .= Xml::tags( 'p', null, Xml::dateMenu( (int)$year, (int)$month ) );
 114
 115                 // Tag filter
 116                 if ( $tagSelector ) {
 117                         $html .= Xml::tags( 'p', null, implode( '&#160;', $tagSelector ) );
 118                 }
 119
 120                 // Filter links
 121                 if ( $filter ) {
 122                         $html .= Xml::tags( 'p', null, $this->getFilterLinks( $filter ) );
 123                 }
 124
 125                 // Action filter
 126                 if ( $action !== null ) {
 127                         $html .= Xml::tags( 'p', null, $this->getActionSelector( $types, $action ) );
 128                 }
 129
 130                 // Submit button
 131                 $html .= Xml::submitButton( $this->msg( 'logeventslist-submit' )->text() );
 132
 133                 // Fieldset
 134                 $html = Xml::fieldset( $this->msg( 'log' )->text(), $html );
 135
 136                 // Form wrapping
 137                 $html = Xml::tags( 'form', [ 'action' => $wgScript, 'method' => 'get' ], $html );
 138
 139                 $this->getOutput()->addHTML( $html );
 140         }
 141
 142         /**
 143          * @param array $filter
 144          * @return string Formatted HTML
 145          */
 146         private function getFilterLinks( $filter ) {
 147                 // show/hide links
 148                 $messages = [ $this->msg( 'show' )->text(), $this->msg( 'hide' )->text() ];
 149                 // Option value -> message mapping
 150                 $links = [];
 151                 $hiddens = ''; // keep track for "go" button
 152                 $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
 153                 foreach ( $filter as $type => $val ) {
 154                         // Should the below assignment be outside the foreach?
 155                         // Then it would have to be copied. Not certain what is more expensive.
 156                         $query = $this->getDefaultQuery();
 157                         $queryKey = "hide_{$type}_log";
 158
 159                         $hideVal = 1 - intval( $val );
 160                         $query[$queryKey] = $hideVal;
 161
 162                         $link = $linkRenderer->makeKnownLink(
 163                                 $this->getTitle(),
 164                                 $messages[$hideVal],
 165                                 [],
 166                                 $query
 167                         );
 168
 169                         // Message: log-show-hide-patrol
 170                         $links[$type] = $this->msg( "log-show-hide-{$type}" )->rawParams( $link )->escaped();
 171                         $hiddens .= Html::hidden( "hide_{$type}_log", $val ) . "\n";
 172                 }
 173
 174                 // Build links
 175                 return '<small>' . $this->getLanguage()->pipeList( $links ) . '</small>' . $hiddens;
 176         }
 177
 178         private function getDefaultQuery() {
 179                 if ( !isset( $this->mDefaultQuery ) ) {
 180                         $this->mDefaultQuery = $this->getRequest()->getQueryValues();
 181                         unset( $this->mDefaultQuery['title'] );
 182                         unset( $this->mDefaultQuery['dir'] );
 183                         unset( $this->mDefaultQuery['offset'] );
 184                         unset( $this->mDefaultQuery['limit'] );
 185                         unset( $this->mDefaultQuery['order'] );
 186                         unset( $this->mDefaultQuery['month'] );
 187                         unset( $this->mDefaultQuery['year'] );
 188                 }
 189
 190                 return $this->mDefaultQuery;
 191         }
 192
 193         /**
 194          * @param array $queryTypes
 195          * @return string Formatted HTML
 196          */
 197         private function getTypeMenu( $queryTypes ) {
 198                 $queryType = count( $queryTypes ) == 1 ? $queryTypes[0] : '';
 199                 $selector = $this->getTypeSelector();
 200                 $selector->setDefault( $queryType );
 201
 202                 return $selector->getHTML();
 203         }
 204
 205         /**
 206          * Returns log page selector.
 207          * @return XmlSelect
 208          * @since 1.19
 209          */
 210         public function getTypeSelector() {
 211                 $typesByName = []; // Temporary array
 212                 // First pass to load the log names
 213                 foreach ( LogPage::validTypes() as $type ) {
 214                         $page = new LogPage( $type );
 215                         $restriction = $page->getRestriction();
 216                         if ( $this->getUser()->isAllowed( $restriction ) ) {
 217                                 $typesByName[$type] = $page->getName()->text();
 218                         }
 219                 }
 220
 221                 // Second pass to sort by name
 222                 asort( $typesByName );
 223
 224                 // Always put "All public logs" on top
 225                 $public = $typesByName[''];
 226                 unset( $typesByName[''] );
 227                 $typesByName = [ '' => $public ] + $typesByName;
 228
 229                 $select = new XmlSelect( 'type' );
 230                 foreach ( $typesByName as $type => $name ) {
 231                         $select->addOption( $name, $type );
 232                 }
 233
 234                 return $select;
 235         }
 236
 237         /**
 238          * @param string $user
 239          * @return string Formatted HTML
 240          */
 241         private function getUserInput( $user ) {
 242                 $label = Xml::inputLabel(
 243                         $this->msg( 'specialloguserlabel' )->text(),
 244                         'user',
 245                         'mw-log-user',
 246                         15,
 247                         $user,
 248                         [ 'class' => 'mw-autocomplete-user' ]
 249                 );
 250
 251                 return '<span class="mw-input-with-label">' . $label . '</span>';
 252         }
 253
 254         /**
 255          * @param string $title
 256          * @return string Formatted HTML
 257          */
 258         private function getTitleInput( $title ) {
 259                 $label = Xml::inputLabel(
 260                         $this->msg( 'speciallogtitlelabel' )->text(),
 261                         'page',
 262                         'mw-log-page',
 263                         20,
 264                         $title
 265                 );
 266
 267                 return '<span class="mw-input-with-label">' . $label .  '</span>';
 268         }
 269
 270         /**
 271          * @param string $pattern
 272          * @return string Checkbox
 273          */
 274         private function getTitlePattern( $pattern ) {
 275                 return '<span class="mw-input-with-label">' .
 276                         Xml::checkLabel( $this->msg( 'log-title-wildcard' )->text(), 'pattern', 'pattern', $pattern ) .
 277                         '</span>';
 278         }
 279
 280         /**
 281          * @param array $types
 282          * @return string
 283          */
 284         private function getExtraInputs( $types ) {
 285                 if ( count( $types ) == 1 ) {
 286                         if ( $types[0] == 'suppress' ) {
 287                                 $offender = $this->getRequest()->getVal( 'offender' );
 288                                 $user = User::newFromName( $offender, false );
 289                                 if ( !$user || ( $user->getId() == 0 && !IP::isIPAddress( $offender ) ) ) {
 290                                         $offender = ''; // Blank field if invalid
 291                                 }
 292                                 return Xml::inputLabel( $this->msg( 'revdelete-offender' )->text(), 'offender',
 293                                         'mw-log-offender', 20, $offender );
 294                         } else {
 295                                 // Allow extensions to add their own extra inputs
 296                                 $input = '';
 297                                 Hooks::run( 'LogEventsListGetExtraInputs', [ $types[0], $this, &$input ] );
 298                                 return $input;
 299                         }
 300                 }
 301
 302                 return '';
 303         }
 304
 305         /**
 306          * Drop down menu for selection of actions that can be used to filter the log
 307          * @param array $types
 308          * @param string $action
 309          * @return string
 310          * @since 1.27
 311          */
 312         private function getActionSelector( $types, $action ) {
 313                 if ( $this->allowedActions === null || !count( $this->allowedActions ) ) {
 314                         return '';
 315                 }
 316                 $html = '';
 317                 $html .= Xml::label( wfMessage( 'log-action-filter-' . $types[0] )->text(),
 318                         'action-filter-' .$types[0] ) . "\n";
 319                 $select = new XmlSelect( 'subtype' );
 320                 $select->addOption( wfMessage( 'log-action-filter-all' )->text(), '' );
 321                 foreach ( $this->allowedActions as $value ) {
 322                         $msgKey = 'log-action-filter-' . $types[0] . '-' . $value;
 323                         $select->addOption( wfMessage( $msgKey )->text(), $value );
 324                 }
 325                 $select->setDefault( $action );
 326                 $html .= $select->getHTML();
 327                 return $html;
 328         }
 329
 330         /**
 331          * Sets the action types allowed for log filtering
 332          * To one action type may correspond several log_actions
 333          * @param array $actions
 334          * @since 1.27
 335          */
 336         public function setAllowedActions( $actions ) {
 337                 $this->allowedActions = $actions;
 338         }
 339
 340         /**
 341          * @return string
 342          */
 343         public function beginLogEventsList() {
 344                 return "<ul>\n";
 345         }
 346
 347         /**
 348          * @return string
 349          */
 350         public function endLogEventsList() {
 351                 return "</ul>\n";
 352         }
 353
 354         /**
 355          * @param stdClass $row A single row from the result set
 356          * @return string Formatted HTML list item
 357          */
 358         public function logLine( $row ) {
 359                 $entry = DatabaseLogEntry::newFromRow( $row );
 360                 $formatter = LogFormatter::newFromEntry( $entry );
 361                 $formatter->setContext( $this->getContext() );
 362                 $formatter->setShowUserToolLinks( !( $this->flags & self::NO_EXTRA_USER_LINKS ) );
 363
 364                 $time = htmlspecialchars( $this->getLanguage()->userTimeAndDate(
 365                         $entry->getTimestamp(), $this->getUser() ) );
 366
 367                 $action = $formatter->getActionText();
 368
 369                 if ( $this->flags & self::NO_ACTION_LINK ) {
 370                         $revert = '';
 371                 } else {
 372                         $revert = $formatter->getActionLinks();
 373                         if ( $revert != '' ) {
 374                                 $revert = '<span class="mw-logevent-actionlink">' . $revert . '</span>';
 375                         }
 376                 }
 377
 378                 $comment = $formatter->getComment();
 379
 380                 // Some user can hide log items and have review links
 381                 $del = $this->getShowHideLinks( $row );
 382
 383                 // Any tags...
 384                 list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow(
 385                         $row->ts_tags,
 386                         'logevent',
 387                         $this->getContext()
 388                 );
 389                 $classes = array_merge(
 390                         [ 'mw-logline-' . $entry->getType() ],
 391                         $newClasses
 392                 );
 393
 394                 return Html::rawElement( 'li', [ 'class' => $classes ],
 395                         "$del $time $action $comment $revert $tagDisplay" ) . "\n";
 396         }
 397
 398         /**
 399          * @param stdClass $row Row
 400          * @return string
 401          */
 402         private function getShowHideLinks( $row ) {
 403                 // We don't want to see the links and
 404                 if ( $this->flags == self::NO_ACTION_LINK ) {
 405                         return '';
 406                 }
 407
 408                 $user = $this->getUser();
 409
 410                 // If change tag editing is available to this user, return the checkbox
 411                 if ( $this->flags & self::USE_CHECKBOXES && $this->showTagEditUI ) {
 412                         return Xml::check(
 413                                 'showhiderevisions',
 414                                 false,
 415                                 [ 'name' => 'ids[' . $row->log_id . ']' ]
 416                         );
 417                 }
 418
 419                 // no one can hide items from the suppress log.
 420                 if ( $row->log_type == 'suppress' ) {
 421                         return '';
 422                 }
 423
 424                 $del = '';
 425                 // Don't show useless checkbox to people who cannot hide log entries
 426                 if ( $user->isAllowed( 'deletedhistory' ) ) {
 427                         $canHide = $user->isAllowed( 'deletelogentry' );
 428                         $canViewSuppressedOnly = $user->isAllowed( 'viewsuppressed' ) &&
 429                                 !$user->isAllowed( 'suppressrevision' );
 430                         $entryIsSuppressed = self::isDeleted( $row, LogPage::DELETED_RESTRICTED );
 431                         $canViewThisSuppressedEntry = $canViewSuppressedOnly && $entryIsSuppressed;
 432                         if ( $row->log_deleted || $canHide ) {
 433                                 // Show checkboxes instead of links.
 434                                 if ( $canHide && $this->flags & self::USE_CHECKBOXES && !$canViewThisSuppressedEntry ) {
 435                                         // If event was hidden from sysops
 436                                         if ( !self::userCan( $row, LogPage::DELETED_RESTRICTED, $user ) ) {
 437                                                 $del = Xml::check( 'deleterevisions', false, [ 'disabled' => 'disabled' ] );
 438                                         } else {
 439                                                 $del = Xml::check(
 440                                                         'showhiderevisions',
 441                                                         false,
 442                                                         [ 'name' => 'ids[' . $row->log_id . ']' ]
 443                                                 );
 444                                         }
 445                                 } else {
 446                                         // If event was hidden from sysops
 447                                         if ( !self::userCan( $row, LogPage::DELETED_RESTRICTED, $user ) ) {
 448                                                 $del = Linker::revDeleteLinkDisabled( $canHide );
 449                                         } else {
 450                                                 $query = [
 451                                                         'target' => SpecialPage::getTitleFor( 'Log', $row->log_type )->getPrefixedDBkey(),
 452                                                         'type' => 'logging',
 453                                                         'ids' => $row->log_id,
 454                                                 ];
 455                                                 $del = Linker::revDeleteLink(
 456                                                         $query,
 457                                                         $entryIsSuppressed,
 458                                                         $canHide && !$canViewThisSuppressedEntry
 459                                                 );
 460                                         }
 461                                 }
 462                         }
 463                 }
 464
 465                 return $del;
 466         }
 467
 468         /**
 469          * @param stdClass $row Row
 470          * @param string|array $type
 471          * @param string|array $action
 472          * @param string $right
 473          * @return bool
 474          */
 475         public static function typeAction( $row, $type, $action, $right = '' ) {
 476                 $match = is_array( $type ) ?
 477                         in_array( $row->log_type, $type ) : $row->log_type == $type;
 478                 if ( $match ) {
 479                         $match = is_array( $action ) ?
 480                                 in_array( $row->log_action, $action ) : $row->log_action == $action;
 481                         if ( $match && $right ) {
 482                                 global $wgUser;
 483                                 $match = $wgUser->isAllowed( $right );
 484                         }
 485                 }
 486
 487                 return $match;
 488         }
 489
 490         /**
 491          * Determine if the current user is allowed to view a particular
 492          * field of this log row, if it's marked as deleted.
 493          *
 494          * @param stdClass $row Row
 495          * @param int $field
 496          * @param User $user User to check, or null to use $wgUser
 497          * @return bool
 498          */
 499         public static function userCan( $row, $field, User $user = null ) {
 500                 return self::userCanBitfield( $row->log_deleted, $field, $user );
 501         }
 502
 503         /**
 504          * Determine if the current user is allowed to view a particular
 505          * field of this log row, if it's marked as deleted.
 506          *
 507          * @param int $bitfield Current field
 508          * @param int $field
 509          * @param User $user User to check, or null to use $wgUser
 510          * @return bool
 511          */
 512         public static function userCanBitfield( $bitfield, $field, User $user = null ) {
 513                 if ( $bitfield & $field ) {
 514                         if ( $user === null ) {
 515                                 global $wgUser;
 516                                 $user = $wgUser;
 517                         }
 518                         if ( $bitfield & LogPage::DELETED_RESTRICTED ) {
 519                                 $permissions = [ 'suppressrevision', 'viewsuppressed' ];
 520                         } else {
 521                                 $permissions = [ 'deletedhistory' ];
 522                         }
 523                         $permissionlist = implode( ', ', $permissions );
 524                         wfDebug( "Checking for $permissionlist due to $field match on $bitfield\n" );
 525                         return call_user_func_array( [ $user, 'isAllowedAny' ], $permissions );
 526                 }
 527                 return true;
 528         }
 529
 530         /**
 531          * @param stdClass $row Row
 532          * @param int $field One of DELETED_* bitfield constants
 533          * @return bool
 534          */
 535         public static function isDeleted( $row, $field ) {
 536                 return ( $row->log_deleted & $field ) == $field;
 537         }
 538
 539         /**
 540          * Show log extract. Either with text and a box (set $msgKey) or without (don't set $msgKey)
 541          *
 542          * @param OutputPage|string $out By-reference
 543          * @param string|array $types Log types to show
 544          * @param string|Title $page The page title to show log entries for
 545          * @param string $user The user who made the log entries
 546          * @param array $param Associative Array with the following additional options:
 547          * - lim Integer Limit of items to show, default is 50
 548          * - conds Array Extra conditions for the query
 549          *   (e.g. 'log_action != ' . $dbr->addQuotes( 'revision' ))
 550          * - showIfEmpty boolean Set to false if you don't want any output in case the loglist is empty
 551          *   if set to true (default), "No matching items in log" is displayed if loglist is empty
 552          * - msgKey Array If you want a nice box with a message, set this to the key of the message.
 553          *   First element is the message key, additional optional elements are parameters for the key
 554          *   that are processed with wfMessage
 555          * - offset Set to overwrite offset parameter in WebRequest
 556          *   set to '' to unset offset
 557          * - wrap String Wrap the message in html (usually something like "<div ...>$1</div>").
 558          * - flags Integer display flags (NO_ACTION_LINK,NO_EXTRA_USER_LINKS)
 559          * - useRequestParams boolean Set true to use Pager-related parameters in the WebRequest
 560          * - useMaster boolean Use master DB
 561          * - extraUrlParams array|bool Additional url parameters for "full log" link (if it is shown)
 562          * @return int Number of total log items (not limited by $lim)
 563          */
 564         public static function showLogExtract(
 565                 &$out, $types = [], $page = '', $user = '', $param = []
 566         ) {
 567                 $defaultParameters = [
 568                         'lim' => 25,
 569                         'conds' => [],
 570                         'showIfEmpty' => true,
 571                         'msgKey' => [ '' ],
 572                         'wrap' => "$1",
 573                         'flags' => 0,
 574                         'useRequestParams' => false,
 575                         'useMaster' => false,
 576                         'extraUrlParams' => false,
 577                 ];
 578                 # The + operator appends elements of remaining keys from the right
 579                 # handed array to the left handed, whereas duplicated keys are NOT overwritten.
 580                 $param += $defaultParameters;
 581                 # Convert $param array to individual variables
 582                 $lim = $param['lim'];
 583                 $conds = $param['conds'];
 584                 $showIfEmpty = $param['showIfEmpty'];
 585                 $msgKey = $param['msgKey'];
 586                 $wrap = $param['wrap'];
 587                 $flags = $param['flags'];
 588                 $extraUrlParams = $param['extraUrlParams'];
 589
 590                 $useRequestParams = $param['useRequestParams'];
 591                 if ( !is_array( $msgKey ) ) {
 592                         $msgKey = [ $msgKey ];
 593                 }
 594
 595                 if ( $out instanceof OutputPage ) {
 596                         $context = $out->getContext();
 597                 } else {
 598                         $context = RequestContext::getMain();
 599                 }
 600
 601                 # Insert list of top 50 (or top $lim) items
 602                 $loglist = new LogEventsList( $context, null, $flags );
 603                 $pager = new LogPager( $loglist, $types, $user, $page, '', $conds );
 604                 if ( !$useRequestParams ) {
 605                         # Reset vars that may have been taken from the request
 606                         $pager->mLimit = 50;
 607                         $pager->mDefaultLimit = 50;
 608                         $pager->mOffset = "";
 609                         $pager->mIsBackwards = false;
 610                 }
 611
 612                 if ( $param['useMaster'] ) {
 613                         $pager->mDb = wfGetDB( DB_MASTER );
 614                 }
 615                 if ( isset( $param['offset'] ) ) { # Tell pager to ignore WebRequest offset
 616                         $pager->setOffset( $param['offset'] );
 617                 }
 618
 619                 if ( $lim > 0 ) {
 620                         $pager->mLimit = $lim;
 621                 }
 622                 // Fetch the log rows and build the HTML if needed
 623                 $logBody = $pager->getBody();
 624                 $numRows = $pager->getNumRows();
 625
 626                 $s = '';
 627
 628                 if ( $logBody ) {
 629                         if ( $msgKey[0] ) {
 630                                 $dir = $context->getLanguage()->getDir();
 631                                 $lang = $context->getLanguage()->getHtmlCode();
 632
 633                                 $s = Xml::openElement( 'div', [
 634                                         'class' => "mw-warning-with-logexcerpt mw-content-$dir",
 635                                         'dir' => $dir,
 636                                         'lang' => $lang,
 637                                 ] );
 638
 639                                 if ( count( $msgKey ) == 1 ) {
 640                                         $s .= $context->msg( $msgKey[0] )->parseAsBlock();
 641                                 } else { // Process additional arguments
 642                                         $args = $msgKey;
 643                                         array_shift( $args );
 644                                         $s .= $context->msg( $msgKey[0], $args )->parseAsBlock();
 645                                 }
 646                         }
 647                         $s .= $loglist->beginLogEventsList() .
 648                                 $logBody .
 649                                 $loglist->endLogEventsList();
 650                 } elseif ( $showIfEmpty ) {
 651                         $s = Html::rawElement( 'div', [ 'class' => 'mw-warning-logempty' ],
 652                                 $context->msg( 'logempty' )->parse() );
 653                 }
 654
 655                 if ( $numRows > $pager->mLimit ) { # Show "Full log" link
 656                         $urlParam = [];
 657                         if ( $page instanceof Title ) {
 658                                 $urlParam['page'] = $page->getPrefixedDBkey();
 659                         } elseif ( $page != '' ) {
 660                                 $urlParam['page'] = $page;
 661                         }
 662
 663                         if ( $user != '' ) {
 664                                 $urlParam['user'] = $user;
 665                         }
 666
 667                         if ( !is_array( $types ) ) { # Make it an array, if it isn't
 668                                 $types = [ $types ];
 669                         }
 670
 671                         # If there is exactly one log type, we can link to Special:Log?type=foo
 672                         if ( count( $types ) == 1 ) {
 673                                 $urlParam['type'] = $types[0];
 674                         }
 675
 676                         if ( $extraUrlParams !== false ) {
 677                                 $urlParam = array_merge( $urlParam, $extraUrlParams );
 678                         }
 679
 680                         $s .= MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
 681                                 SpecialPage::getTitleFor( 'Log' ),
 682                                 $context->msg( 'log-fulllog' )->text(),
 683                                 [],
 684                                 $urlParam
 685                         );
 686                 }
 687
 688                 if ( $logBody && $msgKey[0] ) {
 689                         $s .= '</div>';
 690                 }
 691
 692                 if ( $wrap != '' ) { // Wrap message in html
 693                         $s = str_replace( '$1', $s, $wrap );
 694                 }
 695
 696                 /* hook can return false, if we don't want the message to be emitted (Wikia BugId:7093) */
 697                 if ( Hooks::run( 'LogEventsListShowLogExtract', [ &$s, $types, $page, $user, $param ] ) ) {
 698                         // $out can be either an OutputPage object or a String-by-reference
 699                         if ( $out instanceof OutputPage ) {
 700                                 $out->addHTML( $s );
 701                         } else {
 702                                 $out = $s;
 703                         }
 704                 }
 705
 706                 return $numRows;
 707         }
 708
 709         /**
 710          * SQL clause to skip forbidden log types for this user
 711          *
 712          * @param IDatabase $db
 713          * @param string $audience Public/user
 714          * @param User $user User to check, or null to use $wgUser
 715          * @return string|bool String on success, false on failure.
 716          */
 717         public static function getExcludeClause( $db, $audience = 'public', User $user = null ) {
 718                 global $wgLogRestrictions;
 719
 720                 if ( $audience != 'public' && $user === null ) {
 721                         global $wgUser;
 722                         $user = $wgUser;
 723                 }
 724
 725                 // Reset the array, clears extra "where" clauses when $par is used
 726                 $hiddenLogs = [];
 727
 728                 // Don't show private logs to unprivileged users
 729                 foreach ( $wgLogRestrictions as $logType => $right ) {
 730                         if ( $audience == 'public' || !$user->isAllowed( $right ) ) {
 731                                 $hiddenLogs[] = $logType;
 732                         }
 733                 }
 734                 if ( count( $hiddenLogs ) == 1 ) {
 735                         return 'log_type != ' . $db->addQuotes( $hiddenLogs[0] );
 736                 } elseif ( $hiddenLogs ) {
 737                         return 'log_type NOT IN (' . $db->makeList( $hiddenLogs ) . ')';
 738                 }
 739
 740                 return false;
 741         }
 742 }