includes/logging/LogEntry.php

   1 <?php
   2 /**
   3  * Contain classes for dealing with individual log entries
   4  *
   5  * This is how I see the log system history:
   6  * - appending to plain wiki pages
   7  * - formatting log entries based on database fields
   8  * - user is now part of the action message
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  *
  25  * @file
  26  * @author Niklas Laxström
  27  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  28  * @since 1.19
  29  */
  30
  31 use Wikimedia\Rdbms\IDatabase;
  32
  33 /**
  34  * Interface for log entries. Every log entry has these methods.
  35  *
  36  * @since 1.19
  37  */
  38 interface LogEntry {
  39
  40         /**
  41          * The main log type.
  42          *
  43          * @return string
  44          */
  45         public function getType();
  46
  47         /**
  48          * The log subtype.
  49          *
  50          * @return string
  51          */
  52         public function getSubtype();
  53
  54         /**
  55          * The full logtype in format maintype/subtype.
  56          *
  57          * @return string
  58          */
  59         public function getFullType();
  60
  61         /**
  62          * Get the extra parameters stored for this message.
  63          *
  64          * @return array
  65          */
  66         public function getParameters();
  67
  68         /**
  69          * Get the user for performed this action.
  70          *
  71          * @return User
  72          */
  73         public function getPerformer();
  74
  75         /**
  76          * Get the target page of this action.
  77          *
  78          * @return Title
  79          */
  80         public function getTarget();
  81
  82         /**
  83          * Get the timestamp when the action was executed.
  84          *
  85          * @return string
  86          */
  87         public function getTimestamp();
  88
  89         /**
  90          * Get the user provided comment.
  91          *
  92          * @return string
  93          */
  94         public function getComment();
  95
  96         /**
  97          * Get the access restriction.
  98          *
  99          * @return string
 100          */
 101         public function getDeleted();
 102
 103         /**
 104          * @param int $field One of LogPage::DELETED_* bitfield constants
 105          * @return bool
 106          */
 107         public function isDeleted( $field );
 108 }
 109
 110 /**
 111  * Extends the LogEntryInterface with some basic functionality
 112  *
 113  * @since 1.19
 114  */
 115 abstract class LogEntryBase implements LogEntry {
 116
 117         public function getFullType() {
 118                 return $this->getType() . '/' . $this->getSubtype();
 119         }
 120
 121         public function isDeleted( $field ) {
 122                 return ( $this->getDeleted() & $field ) === $field;
 123         }
 124
 125         /**
 126          * Whether the parameters for this log are stored in new or
 127          * old format.
 128          *
 129          * @return bool
 130          */
 131         public function isLegacy() {
 132                 return false;
 133         }
 134
 135         /**
 136          * Create a blob from a parameter array
 137          *
 138          * @since 1.26
 139          * @param array $params
 140          * @return string
 141          */
 142         public static function makeParamBlob( $params ) {
 143                 return serialize( (array)$params );
 144         }
 145
 146         /**
 147          * Extract a parameter array from a blob
 148          *
 149          * @since 1.26
 150          * @param string $blob
 151          * @return array
 152          */
 153         public static function extractParams( $blob ) {
 154                 return unserialize( $blob );
 155         }
 156 }
 157
 158 /**
 159  * This class wraps around database result row.
 160  *
 161  * @since 1.19
 162  */
 163 class DatabaseLogEntry extends LogEntryBase {
 164
 165         /**
 166          * Returns array of information that is needed for querying
 167          * log entries. Array contains the following keys:
 168          * tables, fields, conds, options and join_conds
 169          *
 170          * @return array
 171          */
 172         public static function getSelectQueryData() {
 173                 $commentQuery = CommentStore::getStore()->getJoin( 'log_comment' );
 174                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 175
 176                 $tables = array_merge(
 177                         [ 'logging' ], $commentQuery['tables'], $actorQuery['tables'], [ 'user' ]
 178                 );
 179                 $fields = [
 180                         'log_id', 'log_type', 'log_action', 'log_timestamp',
 181                         'log_namespace', 'log_title', // unused log_page
 182                         'log_params', 'log_deleted',
 183                         'user_id', 'user_name', 'user_editcount',
 184                 ] + $commentQuery['fields'] + $actorQuery['fields'];
 185
 186                 $joins = [
 187                         // IPs don't have an entry in user table
 188                         'user' => [ 'LEFT JOIN', 'user_id=' . $actorQuery['fields']['log_user'] ],
 189                 ] + $commentQuery['joins'] + $actorQuery['joins'];
 190
 191                 return [
 192                         'tables' => $tables,
 193                         'fields' => $fields,
 194                         'conds' => [],
 195                         'options' => [],
 196                         'join_conds' => $joins,
 197                 ];
 198         }
 199
 200         /**
 201          * Constructs new LogEntry from database result row.
 202          * Supports rows from both logging and recentchanges table.
 203          *
 204          * @param stdClass|array $row
 205          * @return DatabaseLogEntry
 206          */
 207         public static function newFromRow( $row ) {
 208                 $row = (object)$row;
 209                 if ( isset( $row->rc_logid ) ) {
 210                         return new RCDatabaseLogEntry( $row );
 211                 } else {
 212                         return new self( $row );
 213                 }
 214         }
 215
 216         /** @var stdClass Database result row. */
 217         protected $row;
 218
 219         /** @var User */
 220         protected $performer;
 221
 222         /** @var array Parameters for log entry */
 223         protected $params;
 224
 225         /** @var int A rev id associated to the log entry */
 226         protected $revId = null;
 227
 228         /** @var bool Whether the parameters for this log entry are stored in new or old format. */
 229         protected $legacy;
 230
 231         protected function __construct( $row ) {
 232                 $this->row = $row;
 233         }
 234
 235         /**
 236          * Returns the unique database id.
 237          *
 238          * @return int
 239          */
 240         public function getId() {
 241                 return (int)$this->row->log_id;
 242         }
 243
 244         /**
 245          * Returns whatever is stored in the database field.
 246          *
 247          * @return string
 248          */
 249         protected function getRawParameters() {
 250                 return $this->row->log_params;
 251         }
 252
 253         public function isLegacy() {
 254                 // This extracts the property
 255                 $this->getParameters();
 256                 return $this->legacy;
 257         }
 258
 259         public function getType() {
 260                 return $this->row->log_type;
 261         }
 262
 263         public function getSubtype() {
 264                 return $this->row->log_action;
 265         }
 266
 267         public function getParameters() {
 268                 if ( !isset( $this->params ) ) {
 269                         $blob = $this->getRawParameters();
 270                         Wikimedia\suppressWarnings();
 271                         $params = LogEntryBase::extractParams( $blob );
 272                         Wikimedia\restoreWarnings();
 273                         if ( $params !== false ) {
 274                                 $this->params = $params;
 275                                 $this->legacy = false;
 276                         } else {
 277                                 $this->params = LogPage::extractParams( $blob );
 278                                 $this->legacy = true;
 279                         }
 280
 281                         if ( isset( $this->params['associated_rev_id'] ) ) {
 282                                 $this->revId = $this->params['associated_rev_id'];
 283                                 unset( $this->params['associated_rev_id'] );
 284                         }
 285                 }
 286
 287                 return $this->params;
 288         }
 289
 290         public function getAssociatedRevId() {
 291                 // This extracts the property
 292                 $this->getParameters();
 293                 return $this->revId;
 294         }
 295
 296         public function getPerformer() {
 297                 if ( !$this->performer ) {
 298                         $actorId = isset( $this->row->log_actor ) ? (int)$this->row->log_actor : 0;
 299                         $userId = (int)$this->row->log_user;
 300                         if ( $userId !== 0 || $actorId !== 0 ) {
 301                                 // logged-in users
 302                                 if ( isset( $this->row->user_name ) ) {
 303                                         $this->performer = User::newFromRow( $this->row );
 304                                 } elseif ( $actorId !== 0 ) {
 305                                         $this->performer = User::newFromActorId( $actorId );
 306                                 } else {
 307                                         $this->performer = User::newFromId( $userId );
 308                                 }
 309                         } else {
 310                                 // IP users
 311                                 $userText = $this->row->log_user_text;
 312                                 $this->performer = User::newFromName( $userText, false );
 313                         }
 314                 }
 315
 316                 return $this->performer;
 317         }
 318
 319         public function getTarget() {
 320                 $namespace = $this->row->log_namespace;
 321                 $page = $this->row->log_title;
 322                 $title = Title::makeTitle( $namespace, $page );
 323
 324                 return $title;
 325         }
 326
 327         public function getTimestamp() {
 328                 return wfTimestamp( TS_MW, $this->row->log_timestamp );
 329         }
 330
 331         public function getComment() {
 332                 return CommentStore::getStore()->getComment( 'log_comment', $this->row )->text;
 333         }
 334
 335         public function getDeleted() {
 336                 return $this->row->log_deleted;
 337         }
 338 }
 339
 340 class RCDatabaseLogEntry extends DatabaseLogEntry {
 341
 342         public function getId() {
 343                 return $this->row->rc_logid;
 344         }
 345
 346         protected function getRawParameters() {
 347                 return $this->row->rc_params;
 348         }
 349
 350         public function getAssociatedRevId() {
 351                 return $this->row->rc_this_oldid;
 352         }
 353
 354         public function getType() {
 355                 return $this->row->rc_log_type;
 356         }
 357
 358         public function getSubtype() {
 359                 return $this->row->rc_log_action;
 360         }
 361
 362         public function getPerformer() {
 363                 if ( !$this->performer ) {
 364                         $actorId = isset( $this->row->rc_actor ) ? (int)$this->row->rc_actor : 0;
 365                         $userId = (int)$this->row->rc_user;
 366                         if ( $actorId !== 0 ) {
 367                                 $this->performer = User::newFromActorId( $actorId );
 368                         } elseif ( $userId !== 0 ) {
 369                                 $this->performer = User::newFromId( $userId );
 370                         } else {
 371                                 $userText = $this->row->rc_user_text;
 372                                 // Might be an IP, don't validate the username
 373                                 $this->performer = User::newFromName( $userText, false );
 374                         }
 375                 }
 376
 377                 return $this->performer;
 378         }
 379
 380         public function getTarget() {
 381                 $namespace = $this->row->rc_namespace;
 382                 $page = $this->row->rc_title;
 383                 $title = Title::makeTitle( $namespace, $page );
 384
 385                 return $title;
 386         }
 387
 388         public function getTimestamp() {
 389                 return wfTimestamp( TS_MW, $this->row->rc_timestamp );
 390         }
 391
 392         public function getComment() {
 393                 return CommentStore::getStore()
 394                         // Legacy because the row may have used RecentChange::selectFields()
 395                         ->getCommentLegacy( wfGetDB( DB_REPLICA ), 'rc_comment', $this->row )->text;
 396         }
 397
 398         public function getDeleted() {
 399                 return $this->row->rc_deleted;
 400         }
 401 }
 402
 403 /**
 404  * Class for creating log entries manually, to inject them into the database.
 405  *
 406  * @since 1.19
 407  */
 408 class ManualLogEntry extends LogEntryBase {
 409         /** @var string Type of log entry */
 410         protected $type;
 411
 412         /** @var string Sub type of log entry */
 413         protected $subtype;
 414
 415         /** @var array Parameters for log entry */
 416         protected $parameters = [];
 417
 418         /** @var array */
 419         protected $relations = [];
 420
 421         /** @var User Performer of the action for the log entry */
 422         protected $performer;
 423
 424         /** @var Title Target title for the log entry */
 425         protected $target;
 426
 427         /** @var string Timestamp of creation of the log entry */
 428         protected $timestamp;
 429
 430         /** @var string Comment for the log entry */
 431         protected $comment = '';
 432
 433         /** @var int A rev id associated to the log entry */
 434         protected $revId = 0;
 435
 436         /** @var array Change tags add to the log entry */
 437         protected $tags = null;
 438
 439         /** @var int Deletion state of the log entry */
 440         protected $deleted;
 441
 442         /** @var int ID of the log entry */
 443         protected $id;
 444
 445         /** @var bool Can this log entry be patrolled? */
 446         protected $isPatrollable = false;
 447
 448         /** @var bool Whether this is a legacy log entry */
 449         protected $legacy = false;
 450
 451         /**
 452          * @since 1.19
 453          * @param string $type
 454          * @param string $subtype
 455          */
 456         public function __construct( $type, $subtype ) {
 457                 $this->type = $type;
 458                 $this->subtype = $subtype;
 459         }
 460
 461         /**
 462          * Set extra log parameters.
 463          *
 464          * You can pass params to the log action message by prefixing the keys with
 465          * a number and optional type, using colons to separate the fields. The
 466          * numbering should start with number 4, the first three parameters are
 467          * hardcoded for every message.
 468          *
 469          * If you want to store stuff that should not be available in messages, don't
 470          * prefix the array key with a number and don't use the colons.
 471          *
 472          * Example:
 473          *   $entry->setParameters(
 474          *     '4::color' => 'blue',
 475          *     '5:number:count' => 3000,
 476          *     'animal' => 'dog'
 477          *   );
 478          *
 479          * @since 1.19
 480          * @param array $parameters Associative array
 481          */
 482         public function setParameters( $parameters ) {
 483                 $this->parameters = $parameters;
 484         }
 485
 486         /**
 487          * Declare arbitrary tag/value relations to this log entry.
 488          * These can be used to filter log entries later on.
 489          *
 490          * @param array $relations Map of (tag => (list of values|value))
 491          * @since 1.22
 492          */
 493         public function setRelations( array $relations ) {
 494                 $this->relations = $relations;
 495         }
 496
 497         /**
 498          * Set the user that performed the action being logged.
 499          *
 500          * @since 1.19
 501          * @param User $performer
 502          */
 503         public function setPerformer( User $performer ) {
 504                 $this->performer = $performer;
 505         }
 506
 507         /**
 508          * Set the title of the object changed.
 509          *
 510          * @since 1.19
 511          * @param Title $target
 512          */
 513         public function setTarget( Title $target ) {
 514                 $this->target = $target;
 515         }
 516
 517         /**
 518          * Set the timestamp of when the logged action took place.
 519          *
 520          * @since 1.19
 521          * @param string $timestamp
 522          */
 523         public function setTimestamp( $timestamp ) {
 524                 $this->timestamp = $timestamp;
 525         }
 526
 527         /**
 528          * Set a comment associated with the action being logged.
 529          *
 530          * @since 1.19
 531          * @param string $comment
 532          */
 533         public function setComment( $comment ) {
 534                 $this->comment = $comment;
 535         }
 536
 537         /**
 538          * Set an associated revision id.
 539          *
 540          * For example, the ID of the revision that was inserted to mark a page move
 541          * or protection, file upload, etc.
 542          *
 543          * @since 1.27
 544          * @param int $revId
 545          */
 546         public function setAssociatedRevId( $revId ) {
 547                 $this->revId = $revId;
 548         }
 549
 550         /**
 551          * Set change tags for the log entry.
 552          *
 553          * @since 1.27
 554          * @param string|string[] $tags
 555          */
 556         public function setTags( $tags ) {
 557                 if ( is_string( $tags ) ) {
 558                         $tags = [ $tags ];
 559                 }
 560                 $this->tags = $tags;
 561         }
 562
 563         /**
 564          * Set whether this log entry should be made patrollable
 565          * This shouldn't depend on config, only on whether there is full support
 566          * in the software for patrolling this log entry.
 567          * False by default
 568          *
 569          * @since 1.27
 570          * @param bool $patrollable
 571          */
 572         public function setIsPatrollable( $patrollable ) {
 573                 $this->isPatrollable = (bool)$patrollable;
 574         }
 575
 576         /**
 577          * Set the 'legacy' flag
 578          *
 579          * @since 1.25
 580          * @param bool $legacy
 581          */
 582         public function setLegacy( $legacy ) {
 583                 $this->legacy = $legacy;
 584         }
 585
 586         /**
 587          * Set the 'deleted' flag.
 588          *
 589          * @since 1.19
 590          * @param int $deleted One of LogPage::DELETED_* bitfield constants
 591          */
 592         public function setDeleted( $deleted ) {
 593                 $this->deleted = $deleted;
 594         }
 595
 596         /**
 597          * Insert the entry into the `logging` table.
 598          *
 599          * @param IDatabase $dbw
 600          * @return int ID of the log entry
 601          * @throws MWException
 602          */
 603         public function insert( IDatabase $dbw = null ) {
 604                 global $wgActorTableSchemaMigrationStage;
 605
 606                 $dbw = $dbw ?: wfGetDB( DB_MASTER );
 607
 608                 if ( $this->timestamp === null ) {
 609                         $this->timestamp = wfTimestampNow();
 610                 }
 611
 612                 // Trim spaces on user supplied text
 613                 $comment = trim( $this->getComment() );
 614
 615                 $params = $this->getParameters();
 616                 $relations = $this->relations;
 617
 618                 // Ensure actor relations are set
 619                 if ( $wgActorTableSchemaMigrationStage >= MIGRATION_WRITE_BOTH &&
 620                         empty( $relations['target_author_actor'] )
 621                 ) {
 622                         $actorIds = [];
 623                         if ( !empty( $relations['target_author_id'] ) ) {
 624                                 foreach ( $relations['target_author_id'] as $id ) {
 625                                         $actorIds[] = User::newFromId( $id )->getActorId( $dbw );
 626                                 }
 627                         }
 628                         if ( !empty( $relations['target_author_ip'] ) ) {
 629                                 foreach ( $relations['target_author_ip'] as $ip ) {
 630                                         $actorIds[] = User::newFromName( $ip, false )->getActorId( $dbw );
 631                                 }
 632                         }
 633                         if ( $actorIds ) {
 634                                 $relations['target_author_actor'] = $actorIds;
 635                                 $params['authorActors'] = $actorIds;
 636                         }
 637                 }
 638                 if ( $wgActorTableSchemaMigrationStage >= MIGRATION_WRITE_NEW ) {
 639                         unset( $relations['target_author_id'], $relations['target_author_ip'] );
 640                         unset( $params['authorIds'], $params['authorIPs'] );
 641                 }
 642
 643                 // Additional fields for which there's no space in the database table schema
 644                 $revId = $this->getAssociatedRevId();
 645                 if ( $revId ) {
 646                         $params['associated_rev_id'] = $revId;
 647                         $relations['associated_rev_id'] = $revId;
 648                 }
 649
 650                 $data = [
 651                         'log_type' => $this->getType(),
 652                         'log_action' => $this->getSubtype(),
 653                         'log_timestamp' => $dbw->timestamp( $this->getTimestamp() ),
 654                         'log_namespace' => $this->getTarget()->getNamespace(),
 655                         'log_title' => $this->getTarget()->getDBkey(),
 656                         'log_page' => $this->getTarget()->getArticleID(),
 657                         'log_params' => LogEntryBase::makeParamBlob( $params ),
 658                 ];
 659                 if ( isset( $this->deleted ) ) {
 660                         $data['log_deleted'] = $this->deleted;
 661                 }
 662                 $data += CommentStore::getStore()->insert( $dbw, 'log_comment', $comment );
 663                 $data += ActorMigration::newMigration()
 664                         ->getInsertValues( $dbw, 'log_user', $this->getPerformer() );
 665
 666                 $dbw->insert( 'logging', $data, __METHOD__ );
 667                 $this->id = $dbw->insertId();
 668
 669                 $rows = [];
 670                 foreach ( $relations as $tag => $values ) {
 671                         if ( !strlen( $tag ) ) {
 672                                 throw new MWException( "Got empty log search tag." );
 673                         }
 674
 675                         if ( !is_array( $values ) ) {
 676                                 $values = [ $values ];
 677                         }
 678
 679                         foreach ( $values as $value ) {
 680                                 $rows[] = [
 681                                         'ls_field' => $tag,
 682                                         'ls_value' => $value,
 683                                         'ls_log_id' => $this->id
 684                                 ];
 685                         }
 686                 }
 687                 if ( count( $rows ) ) {
 688                         $dbw->insert( 'log_search', $rows, __METHOD__, 'IGNORE' );
 689                 }
 690
 691                 return $this->id;
 692         }
 693
 694         /**
 695          * Get a RecentChanges object for the log entry
 696          *
 697          * @param int $newId
 698          * @return RecentChange
 699          * @since 1.23
 700          */
 701         public function getRecentChange( $newId = 0 ) {
 702                 $formatter = LogFormatter::newFromEntry( $this );
 703                 $context = RequestContext::newExtraneousContext( $this->getTarget() );
 704                 $formatter->setContext( $context );
 705
 706                 $logpage = SpecialPage::getTitleFor( 'Log', $this->getType() );
 707                 $user = $this->getPerformer();
 708                 $ip = "";
 709                 if ( $user->isAnon() ) {
 710                         // "MediaWiki default" and friends may have
 711                         // no IP address in their name
 712                         if ( IP::isIPAddress( $user->getName() ) ) {
 713                                 $ip = $user->getName();
 714                         }
 715                 }
 716
 717                 return RecentChange::newLogEntry(
 718                         $this->getTimestamp(),
 719                         $logpage,
 720                         $user,
 721                         $formatter->getPlainActionText(),
 722                         $ip,
 723                         $this->getType(),
 724                         $this->getSubtype(),
 725                         $this->getTarget(),
 726                         $this->getComment(),
 727                         LogEntryBase::makeParamBlob( $this->getParameters() ),
 728                         $newId,
 729                         $formatter->getIRCActionComment(), // Used for IRC feeds
 730                         $this->getAssociatedRevId(), // Used for e.g. moves and uploads
 731                         $this->getIsPatrollable()
 732                 );
 733         }
 734
 735         /**
 736          * Publish the log entry.
 737          *
 738          * @param int $newId Id of the log entry.
 739          * @param string $to One of: rcandudp (default), rc, udp
 740          */
 741         public function publish( $newId, $to = 'rcandudp' ) {
 742                 DeferredUpdates::addCallableUpdate(
 743                         function () use ( $newId, $to ) {
 744                                 $log = new LogPage( $this->getType() );
 745                                 if ( !$log->isRestricted() ) {
 746                                         $rc = $this->getRecentChange( $newId );
 747
 748                                         if ( $to === 'rc' || $to === 'rcandudp' ) {
 749                                                 // save RC, passing tags so they are applied there
 750                                                 $tags = $this->getTags();
 751                                                 if ( is_null( $tags ) ) {
 752                                                         $tags = [];
 753                                                 }
 754                                                 $rc->addTags( $tags );
 755                                                 $rc->save( 'pleasedontudp' );
 756                                         }
 757
 758                                         if ( $to === 'udp' || $to === 'rcandudp' ) {
 759                                                 $rc->notifyRCFeeds();
 760                                         }
 761
 762                                         // Log the autopatrol if the log entry is patrollable
 763                                         if ( $this->getIsPatrollable() &&
 764                                                 $rc->getAttribute( 'rc_patrolled' ) === 1
 765                                         ) {
 766                                                 PatrolLog::record( $rc, true, $this->getPerformer() );
 767                                         }
 768                                 }
 769                         },
 770                         DeferredUpdates::POSTSEND,
 771                         wfGetDB( DB_MASTER )
 772                 );
 773         }
 774
 775         public function getType() {
 776                 return $this->type;
 777         }
 778
 779         public function getSubtype() {
 780                 return $this->subtype;
 781         }
 782
 783         public function getParameters() {
 784                 return $this->parameters;
 785         }
 786
 787         /**
 788          * @return User
 789          */
 790         public function getPerformer() {
 791                 return $this->performer;
 792         }
 793
 794         /**
 795          * @return Title
 796          */
 797         public function getTarget() {
 798                 return $this->target;
 799         }
 800
 801         public function getTimestamp() {
 802                 $ts = $this->timestamp !== null ? $this->timestamp : wfTimestampNow();
 803
 804                 return wfTimestamp( TS_MW, $ts );
 805         }
 806
 807         public function getComment() {
 808                 return $this->comment;
 809         }
 810
 811         /**
 812          * @since 1.27
 813          * @return int
 814          */
 815         public function getAssociatedRevId() {
 816                 return $this->revId;
 817         }
 818
 819         /**
 820          * @since 1.27
 821          * @return array
 822          */
 823         public function getTags() {
 824                 return $this->tags;
 825         }
 826
 827         /**
 828          * Whether this log entry is patrollable
 829          *
 830          * @since 1.27
 831          * @return bool
 832          */
 833         public function getIsPatrollable() {
 834                 return $this->isPatrollable;
 835         }
 836
 837         /**
 838          * @since 1.25
 839          * @return bool
 840          */
 841         public function isLegacy() {
 842                 return $this->legacy;
 843         }
 844
 845         public function getDeleted() {
 846                 return (int)$this->deleted;
 847         }
 848 }