includes/LogPage.php

   1 <?php
   2 /**
   3  * Contain log classes
   4  *
   5  * Copyright © 2002, 2004 Brion Vibber <brion@pobox.com>
   6  * http://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 /**
  27  * Class to simplify the use of log pages.
  28  * The logs are now kept in a table which is easier to manage and trim
  29  * than ever-growing wiki pages.
  30  *
  31  */
  32 class LogPage {
  33         const DELETED_ACTION = 1;
  34         const DELETED_COMMENT = 2;
  35         const DELETED_USER = 4;
  36         const DELETED_RESTRICTED = 8;
  37         // Convenience fields
  38         const SUPPRESSED_USER = 12;
  39         const SUPPRESSED_ACTION = 9;
  40         /* @access private */
  41         var $type, $action, $comment, $params, $target, $doer;
  42         /* @acess public */
  43         var $updateRecentChanges, $sendToUDP;
  44
  45         /**
  46          * Constructor
  47          *
  48          * @param $type String: one of '', 'block', 'protect', 'rights', 'delete',
  49          *               'upload', 'move'
  50          * @param $rc Boolean: whether to update recent changes as well as the logging table
  51          * @param $udp String: pass 'UDP' to send to the UDP feed if NOT sent to RC
  52          */
  53         public function __construct( $type, $rc = true, $udp = 'skipUDP' ) {
  54                 $this->type = $type;
  55                 $this->updateRecentChanges = $rc;
  56                 $this->sendToUDP = ( $udp == 'UDP' );
  57         }
  58
  59         protected function saveContent() {
  60                 global $wgLogRestrictions;
  61
  62                 $dbw = wfGetDB( DB_MASTER );
  63                 $log_id = $dbw->nextSequenceValue( 'logging_log_id_seq' );
  64
  65                 $this->timestamp = $now = wfTimestampNow();
  66                 $data = array(
  67                         'log_id' => $log_id,
  68                         'log_type' => $this->type,
  69                         'log_action' => $this->action,
  70                         'log_timestamp' => $dbw->timestamp( $now ),
  71                         'log_user' => $this->doer->getId(),
  72                         'log_user_text' => $this->doer->getName(),
  73                         'log_namespace' => $this->target->getNamespace(),
  74                         'log_title' => $this->target->getDBkey(),
  75                         'log_page' => $this->target->getArticleId(),
  76                         'log_comment' => $this->comment,
  77                         'log_params' => $this->params
  78                 );
  79                 $dbw->insert( 'logging', $data, __METHOD__ );
  80                 $newId = !is_null( $log_id ) ? $log_id : $dbw->insertId();
  81
  82                 # And update recentchanges
  83                 if( $this->updateRecentChanges ) {
  84                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  85                         RecentChange::notifyLog(
  86                                 $now, $titleObj, $this->doer, $this->getRcComment(), '',
  87                                 $this->type, $this->action, $this->target, $this->comment,
  88                                 $this->params, $newId
  89                         );
  90                 } elseif( $this->sendToUDP ) {
  91                         # Don't send private logs to UDP
  92                         if( isset( $wgLogRestrictions[$this->type] ) && $wgLogRestrictions[$this->type] != '*' ) {
  93                                 return true;
  94                         }
  95                         # Notify external application via UDP.
  96                         # We send this to IRC but do not want to add it the RC table.
  97                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  98                         $rc = RecentChange::newLogEntry(
  99                                 $now, $titleObj, $this->doer, $this->getRcComment(), '',
 100                                 $this->type, $this->action, $this->target, $this->comment,
 101                                 $this->params, $newId
 102                         );
 103                         $rc->notifyRC2UDP();
 104                 }
 105                 return $newId;
 106         }
 107
 108         /**
 109          * Get the RC comment from the last addEntry() call
 110          */
 111         public function getRcComment() {
 112                 $rcComment = $this->actionText;
 113                 if( $this->comment != '' ) {
 114                         if ( $rcComment == '' ) {
 115                                 $rcComment = $this->comment;
 116                         } else {
 117                                 $rcComment .= wfMsgForContent( 'colon-separator' ) . $this->comment;
 118                         }
 119                 }
 120                 return $rcComment;
 121         }
 122
 123         /**
 124          * Get the comment from the last addEntry() call
 125          */
 126         public function getComment() {
 127                 return $this->comment;
 128         }
 129
 130         /**
 131          * Get the list of valid log types
 132          *
 133          * @return Array of strings
 134          */
 135         public static function validTypes() {
 136                 global $wgLogTypes;
 137                 return $wgLogTypes;
 138         }
 139
 140         /**
 141          * Is $type a valid log type
 142          *
 143          * @param $type String: log type to check
 144          * @return Boolean
 145          */
 146         public static function isLogType( $type ) {
 147                 return in_array( $type, LogPage::validTypes() );
 148         }
 149
 150         /**
 151          * Get the name for the given log type
 152          *
 153          * @param $type String: logtype
 154          * @return String: log name
 155          */
 156         public static function logName( $type ) {
 157                 global $wgLogNames;
 158
 159                 if( isset( $wgLogNames[$type] ) ) {
 160                         return str_replace( '_', ' ', wfMsg( $wgLogNames[$type] ) );
 161                 } else {
 162                         // Bogus log types? Perhaps an extension was removed.
 163                         return $type;
 164                 }
 165         }
 166
 167         /**
 168          * Get the log header for the given log type
 169          *
 170          * @todo handle missing log types
 171          * @param $type String: logtype
 172          * @return String: headertext of this logtype
 173          */
 174         public static function logHeader( $type ) {
 175                 global $wgLogHeaders;
 176                 return wfMsgExt( $wgLogHeaders[$type], array( 'parseinline' ) );
 177         }
 178
 179         /**
 180          * Generate text for a log entry
 181          *
 182          * @param $type String: log type
 183          * @param $action String: log action
 184          * @param $title Mixed: Title object or null
 185          * @param $skin Mixed: Skin object or null. If null, we want to use the wiki
 186          *              content language, since that will go to the IRC feed.
 187          * @param $params Array: parameters
 188          * @param $filterWikilinks Boolean: whether to filter wiki links
 189          * @return HTML string
 190          */
 191         public static function actionText( $type, $action, $title = null, $skin = null,
 192                 $params = array(), $filterWikilinks = false )
 193         {
 194                 global $wgLang, $wgContLang, $wgLogActions;
 195
 196                 $key = "$type/$action";
 197                 # Defer patrol log to PatrolLog class
 198                 if( $key == 'patrol/patrol' ) {
 199                         return PatrolLog::makeActionText( $title, $params, $skin );
 200                 }
 201                 if( isset( $wgLogActions[$key] ) ) {
 202                         if( is_null( $title ) ) {
 203                                 $rv = wfMsgHtml( $wgLogActions[$key] );
 204                         } else {
 205                                 $titleLink = self::getTitleLink( $type, $skin, $title, $params );
 206                                 if( $key == 'rights/rights' ) {
 207                                         if( $skin ) {
 208                                                 $rightsnone = wfMsg( 'rightsnone' );
 209                                                 foreach ( $params as &$param ) {
 210                                                         $groupArray = array_map( 'trim', explode( ',', $param ) );
 211                                                         $groupArray = array_map( array( 'User', 'getGroupMember' ), $groupArray );
 212                                                         $param = $wgLang->listToText( $groupArray );
 213                                                 }
 214                                         } else {
 215                                                 $rightsnone = wfMsgForContent( 'rightsnone' );
 216                                         }
 217                                         if( !isset( $params[0] ) || trim( $params[0] ) == '' ) {
 218                                                 $params[0] = $rightsnone;
 219                                         }
 220                                         if( !isset( $params[1] ) || trim( $params[1] ) == '' ) {
 221                                                 $params[1] = $rightsnone;
 222                                         }
 223                                 }
 224                                 if( count( $params ) == 0 ) {
 225                                         if ( $skin ) {
 226                                                 $rv = wfMsgHtml( $wgLogActions[$key], $titleLink );
 227                                         } else {
 228                                                 $rv = wfMsgExt( $wgLogActions[$key], array( 'parsemag', 'escape', 'replaceafter', 'content' ), $titleLink );
 229                                         }
 230                                 } else {
 231                                         $details = '';
 232                                         array_unshift( $params, $titleLink );
 233                                         // User suppression
 234                                         if ( preg_match( '/^(block|suppress)\/(block|reblock)$/', $key ) ) {
 235                                                 if ( $skin ) {
 236                                                         $params[1] = '<span class="blockExpiry" dir="ltr" title="' . htmlspecialchars( $params[1] ). '">' .
 237                                                                 $wgLang->translateBlockExpiry( $params[1] ) . '</span>';
 238                                                 } else {
 239                                                         $params[1] = $wgContLang->translateBlockExpiry( $params[1] );
 240                                                 }
 241                                                 $params[2] = isset( $params[2] ) ?
 242                                                         self::formatBlockFlags( $params[2], is_null( $skin ) ) : '';
 243
 244                                         // Page protections
 245                                         } elseif ( $type == 'protect' && count($params) == 3 ) {
 246                                                 // Restrictions and expiries
 247                                                 if( $skin ) {
 248                                                         $details .= htmlspecialchars( " {$params[1]}" );
 249                                                 } else {
 250                                                         $details .= " {$params[1]}";
 251                                                 }
 252                                                 // Cascading flag...
 253                                                 if( $params[2] ) {
 254                                                         if ( $skin ) {
 255                                                                 $details .= ' [' . wfMsg( 'protect-summary-cascade' ) . ']';
 256                                                         } else {
 257                                                                 $details .= ' [' . wfMsgForContent( 'protect-summary-cascade' ) . ']';
 258                                                         }
 259                                                 }
 260
 261                                         // Page moves
 262                                         } elseif ( $type == 'move' && count( $params ) == 3 && $action != 'move_rev' ) {
 263                                                 if( $params[2] ) {
 264                                                         if ( $skin ) {
 265                                                                 $details .= ' [' . wfMsg( 'move-redirect-suppressed' ) . ']';
 266                                                         } else {
 267                                                                 $details .= ' [' . wfMsgForContent( 'move-redirect-suppressed' ) . ']';
 268                                                         }
 269                                                 }
 270
 271                                         // Revision deletion
 272                                         } elseif ( preg_match( '/^(delete|suppress)\/revision$/', $key ) && count( $params ) == 5 ) {
 273                                                 $count = substr_count( $params[2], ',' ) + 1; // revisions
 274                                                 $ofield = intval( substr( $params[3], 7 ) ); // <ofield=x>
 275                                                 $nfield = intval( substr( $params[4], 7 ) ); // <nfield=x>
 276                                                 $details .= ': ' . RevisionDeleter::getLogMessage( $count, $nfield, $ofield, false, is_null( $skin ) );
 277
 278                                         // Log deletion
 279                                         } elseif ( preg_match( '/^(delete|suppress)\/event$/', $key ) && count( $params ) == 4 ) {
 280                                                 $count = substr_count( $params[1], ',' ) + 1; // log items
 281                                                 $ofield = intval( substr( $params[2], 7 ) ); // <ofield=x>
 282                                                 $nfield = intval( substr( $params[3], 7 ) ); // <nfield=x>
 283                                                 $details .= ': ' . RevisionDeleter::getLogMessage( $count, $nfield, $ofield, true, is_null( $skin ) );
 284                                         }
 285
 286                                         if ( $skin ) {
 287                                                 $rv = wfMsgHtml( $wgLogActions[$key], $params ) . $details;
 288                                         } else {
 289                                                 $rv = wfMsgExt( $wgLogActions[$key], array( 'parsemag', 'escape', 'replaceafter', 'content' ), $params ) . $details;
 290                                         }
 291                                 }
 292                         }
 293                 } else {
 294                         global $wgLogActionsHandlers;
 295                         if( isset( $wgLogActionsHandlers[$key] ) ) {
 296                                 $args = func_get_args();
 297                                 $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
 298                         } else {
 299                                 wfDebug( "LogPage::actionText - unknown action $key\n" );
 300                                 $rv = "$action";
 301                         }
 302                 }
 303
 304                 // For the perplexed, this feature was added in r7855 by Erik.
 305                 // The feature was added because we liked adding [[$1]] in our log entries
 306                 // but the log entries are parsed as Wikitext on RecentChanges but as HTML
 307                 // on Special:Log. The hack is essentially that [[$1]] represented a link
 308                 // to the title in question. The first parameter to the HTML version (Special:Log)
 309                 // is that link in HTML form, and so this just gets rid of the ugly [[]].
 310                 // However, this is a horrible hack and it doesn't work like you expect if, say,
 311                 // you want to link to something OTHER than the title of the log entry.
 312                 // The real problem, which Erik was trying to fix (and it sort-of works now) is
 313                 // that the same messages are being treated as both wikitext *and* HTML.
 314                 if( $filterWikilinks ) {
 315                         $rv = str_replace( '[[', '', $rv );
 316                         $rv = str_replace( ']]', '', $rv );
 317                 }
 318                 return $rv;
 319         }
 320
 321         protected static function getTitleLink( $type, $skin, $title, &$params ) {
 322                 global $wgLang, $wgContLang, $wgUserrightsInterwikiDelimiter;
 323                 if( !$skin ) {
 324                         return $title->getPrefixedText();
 325                 }
 326                 switch( $type ) {
 327                         case 'move':
 328                                 $titleLink = $skin->link(
 329                                         $title,
 330                                         htmlspecialchars( $title->getPrefixedText() ),
 331                                         array(),
 332                                         array( 'redirect' => 'no' )
 333                                 );
 334                                 $targetTitle = Title::newFromText( $params[0] );
 335                                 if ( !$targetTitle ) {
 336                                         # Workaround for broken database
 337                                         $params[0] = htmlspecialchars( $params[0] );
 338                                 } else {
 339                                         $params[0] = $skin->link(
 340                                                 $targetTitle,
 341                                                 htmlspecialchars( $params[0] )
 342                                         );
 343                                 }
 344                                 break;
 345                         case 'block':
 346                                 if( substr( $title->getText(), 0, 1 ) == '#' ) {
 347                                         $titleLink = $title->getText();
 348                                 } else {
 349                                         // TODO: Store the user identifier in the parameters
 350                                         // to make this faster for future log entries
 351                                         $id = User::idFromName( $title->getText() );
 352                                         $titleLink = $skin->userLink( $id, $title->getText() )
 353                                                 . $skin->userToolLinks( $id, $title->getText(), false, Linker::TOOL_LINKS_NOBLOCK );
 354                                 }
 355                                 break;
 356                         case 'rights':
 357                                 $text = $wgContLang->ucfirst( $title->getText() );
 358                                 $parts = explode( $wgUserrightsInterwikiDelimiter, $text, 2 );
 359                                 if ( count( $parts ) == 2 ) {
 360                                         $titleLink = WikiMap::foreignUserLink( $parts[1], $parts[0],
 361                                                 htmlspecialchars( $title->getPrefixedText() ) );
 362                                         if ( $titleLink !== false ) {
 363                                                 break;
 364                                         }
 365                                 }
 366                                 $titleLink = $skin->link( Title::makeTitle( NS_USER, $text ) );
 367                                 break;
 368                         case 'merge':
 369                                 $titleLink = $skin->link(
 370                                         $title,
 371                                         $title->getPrefixedText(),
 372                                         array(),
 373                                         array( 'redirect' => 'no' )
 374                                 );
 375                                 $params[0] = $skin->link(
 376                                         Title::newFromText( $params[0] ),
 377                                         htmlspecialchars( $params[0] )
 378                                 );
 379                                 $params[1] = $wgLang->timeanddate( $params[1] );
 380                                 break;
 381                         default:
 382                                 if( $title->getNamespace() == NS_SPECIAL ) {
 383                                         list( $name, $par ) = SpecialPage::resolveAliasWithSubpage( $title->getDBkey() );
 384                                         # Use the language name for log titles, rather than Log/X
 385                                         if( $name == 'Log' ) {
 386                                                 $titleLink = '(' . $skin->link( $title, LogPage::logName( $par ) ) . ')';
 387                                         } else {
 388                                                 $titleLink = $skin->link( $title );
 389                                         }
 390                                 } else {
 391                                         $titleLink = $skin->link( $title );
 392                                 }
 393                 }
 394                 return $titleLink;
 395         }
 396
 397         /**
 398          * Add a log entry
 399          *
 400          * @param $action String: one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
 401          * @param $target Title object
 402          * @param $comment String: description associated
 403          * @param $params Array: parameters passed later to wfMsg.* functions
 404          * @param $doer User object: the user doing the action
 405          */
 406         public function addEntry( $action, $target, $comment, $params = array(), $doer = null ) {
 407                 if ( !is_array( $params ) ) {
 408                         $params = array( $params );
 409                 }
 410
 411                 if ( $comment === null ) {
 412                         $comment = '';
 413                 }
 414
 415                 $this->action = $action;
 416                 $this->target = $target;
 417                 $this->comment = $comment;
 418                 $this->params = LogPage::makeParamBlob( $params );
 419
 420                 if ( $doer === null ) {
 421                         global $wgUser;
 422                         $doer = $wgUser;
 423                 } elseif ( !is_object( $doer ) ) {
 424                         $doer = User::newFromId( $doer );
 425                 }
 426
 427                 $this->doer = $doer;
 428
 429                 $this->actionText = LogPage::actionText( $this->type, $action, $target, null, $params );
 430
 431                 return $this->saveContent();
 432         }
 433
 434         /**
 435          * Add relations to log_search table
 436          *
 437          * @param $field String
 438          * @param $values Array
 439          * @param $logid Integer
 440          * @return Boolean
 441          */
 442         public function addRelations( $field, $values, $logid ) {
 443                 if( !strlen( $field ) || empty( $values ) ) {
 444                         return false; // nothing
 445                 }
 446                 $data = array();
 447                 foreach( $values as $value ) {
 448                         $data[] = array(
 449                                 'ls_field' => $field,
 450                                 'ls_value' => $value,
 451                                 'ls_log_id' => $logid
 452                         );
 453                 }
 454                 $dbw = wfGetDB( DB_MASTER );
 455                 $dbw->insert( 'log_search', $data, __METHOD__, 'IGNORE' );
 456                 return true;
 457         }
 458
 459         /**
 460          * Create a blob from a parameter array
 461          *
 462          * @param $params Array
 463          * @return String
 464          */
 465         public static function makeParamBlob( $params ) {
 466                 return implode( "\n", $params );
 467         }
 468
 469         /**
 470          * Extract a parameter array from a blob
 471          *
 472          * @param $blob String
 473          * @return Array
 474          */
 475         public static function extractParams( $blob ) {
 476                 if ( $blob === '' ) {
 477                         return array();
 478                 } else {
 479                         return explode( "\n", $blob );
 480                 }
 481         }
 482
 483         /**
 484          * Convert a comma-delimited list of block log flags
 485          * into a more readable (and translated) form
 486          *
 487          * @param $flags Flags to format
 488          * @param $forContent Whether to localize the message depending of the user
 489          *                    language
 490          * @return String
 491          */
 492         public static function formatBlockFlags( $flags, $forContent = false ) {
 493                 global $wgLang;
 494
 495                 $flags = explode( ',', trim( $flags ) );
 496                 if( count( $flags ) > 0 ) {
 497                         for( $i = 0; $i < count( $flags ); $i++ ) {
 498                                 $flags[$i] = self::formatBlockFlag( $flags[$i], $forContent );
 499                         }
 500                         return '(' . $wgLang->commaList( $flags ) . ')';
 501                 } else {
 502                         return '';
 503                 }
 504         }
 505
 506         /**
 507          * Translate a block log flag if possible
 508          *
 509          * @param $flag Flag to translate
 510          * @param $forContent Whether to localize the message depending of the user
 511          *                    language
 512          * @return String
 513          */
 514         public static function formatBlockFlag( $flag, $forContent = false ) {
 515                 static $messages = array();
 516                 if( !isset( $messages[$flag] ) ) {
 517                         $messages[$flag] = htmlspecialchars( $flag ); // Fallback
 518
 519                         $msg = wfMessage( 'block-log-flags-' . $flag );
 520                         if ( $forContent ) {
 521                                 $msg->inContentLanguage();
 522                         }
 523                         if ( $msg->exists() ) {
 524                                 $messages[$flag] = $msg->escaped();
 525                         }
 526                 }
 527                 return $messages[$flag];
 528         }
 529 }
 530
 531 /**
 532  * Aliases for backwards compatibility with 1.6
 533  */
 534 define( 'MW_LOG_DELETED_ACTION', LogPage::DELETED_ACTION );
 535 define( 'MW_LOG_DELETED_USER', LogPage::DELETED_USER );
 536 define( 'MW_LOG_DELETED_COMMENT', LogPage::DELETED_COMMENT );
 537 define( 'MW_LOG_DELETED_RESTRICTED', LogPage::DELETED_RESTRICTED );