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