includes/RecentChange.php

   1 <?php
   2
   3 /**
   4  * Utility class for creating new RC entries
   5  *
   6  * mAttribs:
   7  *  rc_id           id of the row in the recentchanges table
   8  *  rc_timestamp    time the entry was made
   9  *  rc_cur_time     timestamp on the cur row
  10  *  rc_namespace    namespace #
  11  *  rc_title        non-prefixed db key
  12  *  rc_type         is new entry, used to determine whether updating is necessary
  13  *  rc_minor        is minor
  14  *  rc_cur_id       page_id of associated page entry
  15  *  rc_user         user id who made the entry
  16  *  rc_user_text    user name who made the entry
  17  *  rc_comment      edit summary
  18  *  rc_this_oldid   rev_id associated with this entry (or zero)
  19  *  rc_last_oldid   rev_id associated with the entry before this one (or zero)
  20  *  rc_bot          is bot, hidden
  21  *  rc_ip           IP address of the user in dotted quad notation
  22  *  rc_new          obsolete, use rc_type==RC_NEW
  23  *  rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  24  *  rc_old_len      integer byte length of the text before the edit
  25  *  rc_new_len      the same after the edit
  26  *  rc_deleted      partial deletion
  27  *  rc_logid        the log_id value for this log entry (or zero)
  28  *  rc_log_type     the log type (or null)
  29  *  rc_log_action   the log action (or null)
  30  *  rc_params       log params
  31  *
  32  * mExtra:
  33  *  prefixedDBkey   prefixed db key, used by external app via msg queue
  34  *  lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  35  *  lang            the interwiki prefix, automatically set in save()
  36  *  oldSize         text size before the change
  37  *  newSize         text size after the change
  38  *
  39  * temporary:       not stored in the database
  40  *      notificationtimestamp
  41  *      numberofWatchingusers
  42  *
  43  * @todo document functions and variables
  44  */
  45 class RecentChange {
  46         var $mAttribs = array(), $mExtra = array();
  47
  48         /**
  49          * @var Title
  50          */
  51         var $mTitle = false;
  52
  53         /**
  54          * @var Title
  55          */
  56         var $mMovedToTitle = false;
  57         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  58
  59         # Factory methods
  60
  61         public static function newFromRow( $row ) {
  62                 $rc = new RecentChange;
  63                 $rc->loadFromRow( $row );
  64                 return $rc;
  65         }
  66
  67         public static function newFromCurRow( $row ) {
  68                 $rc = new RecentChange;
  69                 $rc->loadFromCurRow( $row );
  70                 $rc->notificationtimestamp = false;
  71                 $rc->numberofWatchingusers = false;
  72                 return $rc;
  73         }
  74
  75         /**
  76          * Obtain the recent change with a given rc_id value
  77          *
  78          * @param $rcid Int rc_id value to retrieve
  79          * @return RecentChange
  80          */
  81         public static function newFromId( $rcid ) {
  82                 $dbr = wfGetDB( DB_SLAVE );
  83                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  84                 if( $res && $dbr->numRows( $res ) > 0 ) {
  85                         $row = $dbr->fetchObject( $res );
  86                         return self::newFromRow( $row );
  87                 } else {
  88                         return null;
  89                 }
  90         }
  91
  92         /**
  93          * Find the first recent change matching some specific conditions
  94          *
  95          * @param $conds Array of conditions
  96          * @param $fname Mixed: override the method name in profiling/logs
  97          * @return RecentChange
  98          */
  99         public static function newFromConds( $conds, $fname = false ) {
 100                 if( $fname === false )
 101                         $fname = __METHOD__;
 102                 $dbr = wfGetDB( DB_SLAVE );
 103                 $res = $dbr->select(
 104                         'recentchanges',
 105                         '*',
 106                         $conds,
 107                         $fname
 108                 );
 109                 if( $res instanceof ResultWrapper && $res->numRows() > 0 ) {
 110                         $row = $res->fetchObject();
 111                         $res->free();
 112                         return self::newFromRow( $row );
 113                 }
 114                 return null;
 115         }
 116
 117         # Accessors
 118
 119         public function setAttribs( $attribs ) {
 120                 $this->mAttribs = $attribs;
 121         }
 122
 123         public function setExtra( $extra ) {
 124                 $this->mExtra = $extra;
 125         }
 126
 127         /**
 128          *
 129          * @return Title
 130          */
 131         public function &getTitle() {
 132                 if( $this->mTitle === false ) {
 133                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 134                         # Make sure the correct page ID is process cached
 135                         $this->mTitle->resetArticleID( $this->mAttribs['rc_cur_id'] );
 136                 }
 137                 return $this->mTitle;
 138         }
 139
 140         public function getMovedToTitle() {
 141                 if( $this->mMovedToTitle === false ) {
 142                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 143                                 $this->mAttribs['rc_moved_to_title'] );
 144                 }
 145                 return $this->mMovedToTitle;
 146         }
 147
 148         # Writes the data in this object to the database
 149         public function save() {
 150                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 151                 $fname = 'RecentChange::save';
 152
 153                 $dbw = wfGetDB( DB_MASTER );
 154                 if( !is_array($this->mExtra) ) {
 155                         $this->mExtra = array();
 156                 }
 157                 $this->mExtra['lang'] = $wgLocalInterwiki;
 158
 159                 if( !$wgPutIPinRC ) {
 160                         $this->mAttribs['rc_ip'] = '';
 161                 }
 162
 163                 # If our database is strict about IP addresses, use NULL instead of an empty string
 164                 if( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 165                         unset( $this->mAttribs['rc_ip'] );
 166                 }
 167
 168                 # Fixup database timestamps
 169                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 170                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 171                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'recentchanges_rc_id_seq' );
 172
 173                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 174                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 175                         unset( $this->mAttribs['rc_cur_id'] );
 176                 }
 177
 178                 # Insert new row
 179                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 180
 181                 # Set the ID
 182                 $this->mAttribs['rc_id'] = $dbw->insertId();
 183
 184                 # Notify extensions
 185                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 186
 187                 # Notify external application via UDP
 188                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 189                         self::sendToUDP( $this->getIRCLine() );
 190                 }
 191
 192                 # E-mail notifications
 193                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 194                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 195                         // Users
 196                         if( $this->mAttribs['rc_user'] ) {
 197                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 198                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 199                         // Anons
 200                         } else {
 201                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 202                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 203                         }
 204                         # @todo FIXME: This would be better as an extension hook
 205                         $enotif = new EmailNotification();
 206                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 207                         $enotif->notifyOnPageChange( $editor, $title,
 208                                 $this->mAttribs['rc_timestamp'],
 209                                 $this->mAttribs['rc_comment'],
 210                                 $this->mAttribs['rc_minor'],
 211                                 $this->mAttribs['rc_last_oldid'] );
 212                 }
 213         }
 214
 215         public function notifyRC2UDP() {
 216                 global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 217                 # Notify external application via UDP
 218                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 219                         self::sendToUDP( $this->getIRCLine() );
 220                 }
 221         }
 222
 223         /**
 224          * Send some text to UDP.
 225          * @see RecentChange::cleanupForIRC
 226          * @param $line String: text to send
 227          * @param $address String: defaults to $wgRC2UDPAddress.
 228          * @param $prefix String: defaults to $wgRC2UDPPrefix.
 229          * @param $port Int: defaults to $wgRC2UDPPort. (Since 1.17)
 230          * @return Boolean: success
 231          */
 232         public static function sendToUDP( $line, $address = '', $prefix = '', $port = '' ) {
 233                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 234                 # Assume default for standard RC case
 235                 $address = $address ? $address : $wgRC2UDPAddress;
 236                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 237                 $port = $port ? $port : $wgRC2UDPPort;
 238                 # Notify external application via UDP
 239                 if( $address ) {
 240                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 241                         if( $conn ) {
 242                                 $line = $prefix . $line;
 243                                 wfDebug( __METHOD__ . ": sending UDP line: $line\n" );
 244                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $port );
 245                                 socket_close( $conn );
 246                                 return true;
 247                         } else {
 248                                 wfDebug( __METHOD__ . ": failed to create UDP socket\n" );
 249                         }
 250                 }
 251                 return false;
 252         }
 253
 254         /**
 255          * Remove newlines, carriage returns and decode html entites
 256          * @param $text String
 257          * @return String
 258          */
 259         public static function cleanupForIRC( $text ) {
 260                 return Sanitizer::decodeCharReferences( str_replace( array( "\n", "\r" ), array( "", "" ), $text ) );
 261         }
 262
 263         /**
 264          * Mark a given change as patrolled
 265          *
 266          * @param $change Mixed: RecentChange or corresponding rc_id
 267          * @param $auto Boolean: for automatic patrol
 268          * @return Array See doMarkPatrolled(), or null if $change is not an existing rc_id
 269          */
 270         public static function markPatrolled( $change, $auto = false ) {
 271                 global $wgUser;
 272
 273                 $change = $change instanceof RecentChange
 274                         ? $change
 275                         : RecentChange::newFromId($change);
 276
 277                 if( !$change instanceof RecentChange ) {
 278                         return null;
 279                 }
 280                 return $change->doMarkPatrolled( $wgUser, $auto );
 281         }
 282
 283         /**
 284          * Mark this RecentChange as patrolled
 285          *
 286          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 287          * @param $user User object doing the action
 288          * @param $auto Boolean: for automatic patrol
 289          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 290          */
 291         public function doMarkPatrolled( User $user, $auto = false ) {
 292                 global $wgUseRCPatrol, $wgUseNPPatrol;
 293                 $errors = array();
 294                 // If recentchanges patrol is disabled, only new pages
 295                 // can be patrolled
 296                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 297                         $errors[] = array('rcpatroldisabled');
 298                 }
 299                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 300                 $right = $auto ? 'autopatrol' : 'patrol';
 301                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $user ) );
 302                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$user, false)) ) {
 303                         $errors[] = array('hookaborted');
 304                 }
 305                 // Users without the 'autopatrol' right can't patrol their
 306                 // own revisions
 307                 if( $user->getName() == $this->getAttribute('rc_user_text') && !$user->isAllowed('autopatrol') ) {
 308                         $errors[] = array('markedaspatrollederror-noautopatrol');
 309                 }
 310                 if( $errors ) {
 311                         return $errors;
 312                 }
 313                 // If the change was patrolled already, do nothing
 314                 if( $this->getAttribute('rc_patrolled') ) {
 315                         return array();
 316                 }
 317                 // Actually set the 'patrolled' flag in RC
 318                 $this->reallyMarkPatrolled();
 319                 // Log this patrol event
 320                 PatrolLog::record( $this, $auto );
 321                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$user, false) );
 322                 return array();
 323         }
 324
 325         /**
 326          * Mark this RecentChange patrolled, without error checking
 327          * @return Integer: number of affected rows
 328          */
 329         public function reallyMarkPatrolled() {
 330                 $dbw = wfGetDB( DB_MASTER );
 331                 $dbw->update(
 332                         'recentchanges',
 333                         array(
 334                                 'rc_patrolled' => 1
 335                         ),
 336                         array(
 337                                 'rc_id' => $this->getAttribute('rc_id')
 338                         ),
 339                         __METHOD__
 340                 );
 341                 return $dbw->affectedRows();
 342         }
 343
 344         /**
 345          * Makes an entry in the database corresponding to an edit
 346          *
 347          * @param $timestamp
 348          * @param $title Title
 349          * @param $minor
 350          * @param $user User
 351          * @param $comment
 352          * @param $oldId
 353          * @param $lastTimestamp
 354          * @param $bot
 355          * @param $ip string
 356          * @param $oldSize int
 357          * @param $newSize int
 358          * @param $newId int
 359          * @param $patrol int
 360          * @return RecentChange
 361          */
 362         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 363                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 ) {
 364                 global $wgRequest;
 365                 if( !$ip ) {
 366                         $ip = $wgRequest->getIP();
 367                         if( !$ip ) $ip = '';
 368                 }
 369
 370                 $rc = new RecentChange;
 371                 $rc->mAttribs = array(
 372                         'rc_timestamp'  => $timestamp,
 373                         'rc_cur_time'   => $timestamp,
 374                         'rc_namespace'  => $title->getNamespace(),
 375                         'rc_title'      => $title->getDBkey(),
 376                         'rc_type'       => RC_EDIT,
 377                         'rc_minor'      => $minor ? 1 : 0,
 378                         'rc_cur_id'     => $title->getArticleID(),
 379                         'rc_user'       => $user->getId(),
 380                         'rc_user_text'  => $user->getName(),
 381                         'rc_comment'    => $comment,
 382                         'rc_this_oldid' => $newId,
 383                         'rc_last_oldid' => $oldId,
 384                         'rc_bot'        => $bot ? 1 : 0,
 385                         'rc_moved_to_ns' => 0,
 386                         'rc_moved_to_title' => '',
 387                         'rc_ip'         => $ip,
 388                         'rc_patrolled'  => intval($patrol),
 389                         'rc_new'        => 0,  # obsolete
 390                         'rc_old_len'    => $oldSize,
 391                         'rc_new_len'    => $newSize,
 392                         'rc_deleted'    => 0,
 393                         'rc_logid'      => 0,
 394                         'rc_log_type'   => null,
 395                         'rc_log_action' => '',
 396                         'rc_params'     => ''
 397                 );
 398
 399                 $rc->mExtra =  array(
 400                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 401                         'lastTimestamp' => $lastTimestamp,
 402                         'oldSize'       => $oldSize,
 403                         'newSize'       => $newSize,
 404                 );
 405                 $rc->save();
 406                 return $rc;
 407         }
 408
 409         /**
 410          * Makes an entry in the database corresponding to page creation
 411          * Note: the title object must be loaded with the new id using resetArticleID()
 412          * @todo Document parameters and return
 413          *
 414          * @param $timestamp
 415          * @param $title Title
 416          * @param $minor
 417          * @param $user User
 418          * @param $comment
 419          * @param $bot
 420          * @param $ip string
 421          * @param $size int
 422          * @param $newId int
 423          * @param $patrol int
 424          * @return RecentChange
 425          */
 426         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 427                 $ip='', $size=0, $newId=0, $patrol=0 ) {
 428                 global $wgRequest;
 429                 if( !$ip ) {
 430                         $ip = $wgRequest->getIP();
 431                         if( !$ip ) $ip = '';
 432                 }
 433
 434                 $rc = new RecentChange;
 435                 $rc->mAttribs = array(
 436                         'rc_timestamp'      => $timestamp,
 437                         'rc_cur_time'       => $timestamp,
 438                         'rc_namespace'      => $title->getNamespace(),
 439                         'rc_title'          => $title->getDBkey(),
 440                         'rc_type'           => RC_NEW,
 441                         'rc_minor'          => $minor ? 1 : 0,
 442                         'rc_cur_id'         => $title->getArticleID(),
 443                         'rc_user'           => $user->getId(),
 444                         'rc_user_text'      => $user->getName(),
 445                         'rc_comment'        => $comment,
 446                         'rc_this_oldid'     => $newId,
 447                         'rc_last_oldid'     => 0,
 448                         'rc_bot'            => $bot ? 1 : 0,
 449                         'rc_moved_to_ns'    => 0,
 450                         'rc_moved_to_title' => '',
 451                         'rc_ip'             => $ip,
 452                         'rc_patrolled'      => intval($patrol),
 453                         'rc_new'            => 1, # obsolete
 454                         'rc_old_len'        => 0,
 455                         'rc_new_len'        => $size,
 456                         'rc_deleted'        => 0,
 457                         'rc_logid'          => 0,
 458                         'rc_log_type'       => null,
 459                         'rc_log_action'     => '',
 460                         'rc_params'         => ''
 461                 );
 462
 463                 $rc->mExtra =  array(
 464                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 465                         'lastTimestamp' => 0,
 466                         'oldSize' => 0,
 467                         'newSize' => $size
 468                 );
 469                 $rc->save();
 470                 return $rc;
 471         }
 472
 473         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='', $type,
 474                 $action, $target, $logComment, $params, $newId=0 )
 475         {
 476                 global $wgLogRestrictions;
 477                 # Don't add private logs to RC!
 478                 if( isset($wgLogRestrictions[$type]) && $wgLogRestrictions[$type] != '*' ) {
 479                         return false;
 480                 }
 481                 $rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
 482                         $target, $logComment, $params, $newId );
 483                 $rc->save();
 484                 return true;
 485         }
 486
 487         /**
 488          * @param $timestamp
 489          * @param $title Title
 490          * @param $user User
 491          * @param $actionComment
 492          * @param $ip string
 493          * @param $type
 494          * @param $action
 495          * @param $target Title
 496          * @param $logComment
 497          * @param $params
 498          * @param $newId int
 499          * @return RecentChange
 500          */
 501         public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip='',
 502                 $type, $action, $target, $logComment, $params, $newId=0 ) {
 503                 global $wgRequest;
 504                 if( !$ip ) {
 505                         $ip = $wgRequest->getIP();
 506                         if( !$ip ) {
 507                                 $ip = '';
 508                         }
 509                 }
 510
 511                 $rc = new RecentChange;
 512                 $rc->mAttribs = array(
 513                         'rc_timestamp'  => $timestamp,
 514                         'rc_cur_time'   => $timestamp,
 515                         'rc_namespace'  => $target->getNamespace(),
 516                         'rc_title'      => $target->getDBkey(),
 517                         'rc_type'       => RC_LOG,
 518                         'rc_minor'      => 0,
 519                         'rc_cur_id'     => $target->getArticleID(),
 520                         'rc_user'       => $user->getId(),
 521                         'rc_user_text'  => $user->getName(),
 522                         'rc_comment'    => $logComment,
 523                         'rc_this_oldid' => 0,
 524                         'rc_last_oldid' => 0,
 525                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 526                         'rc_moved_to_ns' => 0,
 527                         'rc_moved_to_title' => '',
 528                         'rc_ip'         => $ip,
 529                         'rc_patrolled'  => 1,
 530                         'rc_new'        => 0, # obsolete
 531                         'rc_old_len'    => null,
 532                         'rc_new_len'    => null,
 533                         'rc_deleted'    => 0,
 534                         'rc_logid'      => $newId,
 535                         'rc_log_type'   => $type,
 536                         'rc_log_action' => $action,
 537                         'rc_params'     => $params
 538                 );
 539                 $rc->mExtra =  array(
 540                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 541                         'lastTimestamp' => 0,
 542                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 543                 );
 544                 return $rc;
 545         }
 546
 547         # Initialises the members of this object from a mysql row object
 548         public function loadFromRow( $row ) {
 549                 $this->mAttribs = get_object_vars( $row );
 550                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 551                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 552         }
 553
 554         # Makes a pseudo-RC entry from a cur row
 555         public function loadFromCurRow( $row ) {
 556                 $this->mAttribs = array(
 557                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 558                         'rc_cur_time' => $row->rev_timestamp,
 559                         'rc_user' => $row->rev_user,
 560                         'rc_user_text' => $row->rev_user_text,
 561                         'rc_namespace' => $row->page_namespace,
 562                         'rc_title' => $row->page_title,
 563                         'rc_comment' => $row->rev_comment,
 564                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 565                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 566                         'rc_cur_id' => $row->page_id,
 567                         'rc_this_oldid' => $row->rev_id,
 568                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 569                         'rc_bot'        => 0,
 570                         'rc_moved_to_ns'        => 0,
 571                         'rc_moved_to_title'     => '',
 572                         'rc_ip' => '',
 573                         'rc_id' => $row->rc_id,
 574                         'rc_patrolled' => $row->rc_patrolled,
 575                         'rc_new' => $row->page_is_new, # obsolete
 576                         'rc_old_len' => $row->rc_old_len,
 577                         'rc_new_len' => $row->rc_new_len,
 578                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 579                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 580                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 581                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 582                         'rc_deleted' => $row->rc_deleted // MUST be set
 583                 );
 584         }
 585
 586         /**
 587          * Get an attribute value
 588          *
 589          * @param $name String Attribute name
 590          * @return mixed
 591          */
 592         public function getAttribute( $name ) {
 593                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : null;
 594         }
 595
 596         public function getAttributes() {
 597                 return $this->mAttribs;
 598         }
 599
 600         /**
 601          * Gets the end part of the diff URL associated with this object
 602          * Blank if no diff link should be displayed
 603          */
 604         public function diffLinkTrail( $forceCur ) {
 605                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 606                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 607                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 608                         if( $forceCur ) {
 609                                 $trail .= '&diff=0' ;
 610                         } else {
 611                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 612                         }
 613                 } else {
 614                         $trail = '';
 615                 }
 616                 return $trail;
 617         }
 618
 619         public function getIRCLine() {
 620                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki,
 621                         $wgCanonicalServer, $wgScript;
 622
 623                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 624                         $titleObj = Title::newFromText( 'Log/' . $this->mAttribs['rc_log_type'], NS_SPECIAL );
 625                 } else {
 626                         $titleObj =& $this->getTitle();
 627                 }
 628                 $title = $titleObj->getPrefixedText();
 629                 $title = self::cleanupForIRC( $title );
 630
 631                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 632                         $url = '';
 633                 } else {
 634                         $url = $wgCanonicalServer . $wgScript;
 635                         if( $this->mAttribs['rc_type'] == RC_NEW ) {
 636                                 $query = '?oldid=' . $this->mAttribs['rc_this_oldid'];
 637                         } else {
 638                                 $query = '?diff=' . $this->mAttribs['rc_this_oldid'] . '&oldid=' . $this->mAttribs['rc_last_oldid'];
 639                         }
 640                         if ( $wgUseRCPatrol || ( $this->mAttribs['rc_type'] == RC_NEW && $wgUseNPPatrol ) ) {
 641                                 $query .= '&rcid=' . $this->mAttribs['rc_id'];
 642                         }
 643                         // HACK: We need this hook for WMF's secure server setup
 644                         wfRunHooks( 'IRCLineURL', array( &$url, &$query ) );
 645                         $url .= $query;
 646                 }
 647
 648                 if( $this->mAttribs['rc_old_len'] !== null && $this->mAttribs['rc_new_len'] !== null ) {
 649                         $szdiff = $this->mAttribs['rc_new_len'] - $this->mAttribs['rc_old_len'];
 650                         if($szdiff < -500) {
 651                                 $szdiff = "\002$szdiff\002";
 652                         } elseif($szdiff >= 0) {
 653                                 $szdiff = '+' . $szdiff ;
 654                         }
 655                         $szdiff = '(' . $szdiff . ')' ;
 656                 } else {
 657                         $szdiff = '';
 658                 }
 659
 660                 $user = self::cleanupForIRC( $this->mAttribs['rc_user_text'] );
 661
 662                 if ( $this->mAttribs['rc_type'] == RC_LOG ) {
 663                         $targetText = $this->getTitle()->getPrefixedText();
 664                         $comment = self::cleanupForIRC( str_replace( "[[$targetText]]", "[[\00302$targetText\00310]]", $this->mExtra['actionComment'] ) );
 665                         $flag = $this->mAttribs['rc_log_action'];
 666                 } else {
 667                         $comment = self::cleanupForIRC( $this->mAttribs['rc_comment'] );
 668                         $flag = '';
 669                         if ( !$this->mAttribs['rc_patrolled'] && ( $wgUseRCPatrol || $this->mAttribs['rc_new'] && $wgUseNPPatrol ) ) {
 670                                 $flag .= '!';
 671                         }
 672                         $flag .= ( $this->mAttribs['rc_new'] ? "N" : "" ) . ( $this->mAttribs['rc_minor'] ? "M" : "" ) . ( $this->mAttribs['rc_bot'] ? "B" : "" );
 673                 }
 674
 675                 if ( $wgRC2UDPInterwikiPrefix === true && $wgLocalInterwiki !== false ) {
 676                         $prefix = $wgLocalInterwiki;
 677                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 678                         $prefix = $wgRC2UDPInterwikiPrefix;
 679                 } else {
 680                         $prefix = false;
 681                 }
 682                 if ( $prefix !== false ) {
 683                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 684                 } else {
 685                         $titleString = "\00314[[\00307$title\00314]]";
 686                 }
 687
 688                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 689                 # no colour (\003) switches back to the term default
 690                 $fullString = "$titleString\0034 $flag\00310 " .
 691                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 692
 693                 return $fullString;
 694         }
 695
 696         /**
 697          * Returns the change size (HTML).
 698          * The lengths can be given optionally.
 699          */
 700         public function getCharacterDifference( $old = 0, $new = 0 ) {
 701                 if( $old === 0 ) {
 702                         $old = $this->mAttribs['rc_old_len'];
 703                 }
 704                 if( $new === 0 ) {
 705                         $new = $this->mAttribs['rc_new_len'];
 706                 }
 707                 if( $old === null || $new === null ) {
 708                         return '';
 709                 }
 710                 return ChangesList::showCharacterDifference( $old, $new );
 711         }
 712 }