includes/LogPage.php

   1 <?php
   2 #
   3 # Copyright (C) 2002, 2004 Brion Vibber <brion@pobox.com>
   4 # http://www.mediawiki.org/
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19 # http://www.gnu.org/copyleft/gpl.html
  20
  21 /**
  22  * Contain log classes
  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         /* @access private */
  38         var $type, $action, $comment, $params, $target, $doer;
  39         /* @acess public */
  40         var $updateRecentChanges, $sendToUDP;
  41
  42         /**
  43           * Constructor
  44           *
  45           * @param string $type One of '', 'block', 'protect', 'rights', 'delete',
  46           *               'upload', 'move'
  47           * @param bool $rc Whether to update recent changes as well as the logging table
  48           * @param bool $udp Whether to send to the UDP feed if NOT sent to RC
  49           */
  50         public function __construct( $type, $rc = true, $udp = 'skipUDP' ) {
  51                 $this->type = $type;
  52                 $this->updateRecentChanges = $rc;
  53                 $this->sendToUDP = ($udp == 'UDP');
  54         }
  55
  56         protected function saveContent() {
  57                 global $wgLogRestrictions;
  58
  59                 $dbw = wfGetDB( DB_MASTER );
  60                 $log_id = $dbw->nextSequenceValue( 'log_log_id_seq' );
  61
  62                 $this->timestamp = $now = wfTimestampNow();
  63                 $data = array(
  64                         'log_id' => $log_id,
  65                         'log_type' => $this->type,
  66                         'log_action' => $this->action,
  67                         'log_timestamp' => $dbw->timestamp( $now ),
  68                         'log_user' => $this->doer->getId(),
  69                         'log_namespace' => $this->target->getNamespace(),
  70                         'log_title' => $this->target->getDBkey(),
  71                         'log_comment' => $this->comment,
  72                         'log_params' => $this->params
  73                 );
  74                 $dbw->insert( 'logging', $data, __METHOD__ );
  75                 $newId = !is_null($log_id) ? $log_id : $dbw->insertId();
  76
  77                 # And update recentchanges
  78                 if( $this->updateRecentChanges ) {
  79                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  80                         RecentChange::notifyLog( $now, $titleObj, $this->doer, $this->getRcComment(), '', $this->type,
  81                                 $this->action, $this->target, $this->comment, $this->params, $newId );
  82                 } else if( $this->sendToUDP ) {
  83                         # Don't send private logs to UDP
  84                         if( isset($wgLogRestrictions[$this->type]) && $wgLogRestrictions[$this->type] !='*' ) {
  85                                 return true;
  86                         }
  87                         # Notify external application via UDP.
  88                         # We send this to IRC but do not want to add it the RC table.
  89                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  90                         $rc = RecentChange::newLogEntry( $now, $titleObj, $this->doer, $this->getRcComment(), '',
  91                                 $this->type, $this->action, $this->target, $this->comment, $this->params, $newId );
  92                         $rc->notifyRC2UDP();
  93                 }
  94                 return true;
  95         }
  96
  97         /**
  98          * Get the RC comment from the last addEntry() call
  99          */
 100         public function getRcComment() {
 101                 $rcComment = $this->actionText;
 102                 if( '' != $this->comment ) {
 103                         if ($rcComment == '')
 104                                 $rcComment = $this->comment;
 105                         else
 106                                 $rcComment .= wfMsgForContent( 'colon-separator' ) . $this->comment;
 107                 }
 108                 return $rcComment;
 109         }
 110
 111         /**
 112          * Get the comment from the last addEntry() call
 113          */
 114         public function getComment() {
 115                 return $this->comment;
 116         }
 117
 118         /**
 119          * @static
 120          */
 121         public static function validTypes() {
 122                 global $wgLogTypes;
 123                 return $wgLogTypes;
 124         }
 125
 126         /**
 127          * @static
 128          */
 129         public static function isLogType( $type ) {
 130                 return in_array( $type, LogPage::validTypes() );
 131         }
 132
 133         /**
 134          * @static
 135          */
 136         public static function logName( $type ) {
 137                 global $wgLogNames, $wgMessageCache;
 138
 139                 if( isset( $wgLogNames[$type] ) ) {
 140                         $wgMessageCache->loadAllMessages();
 141                         return str_replace( '_', ' ', wfMsg( $wgLogNames[$type] ) );
 142                 } else {
 143                         // Bogus log types? Perhaps an extension was removed.
 144                         return $type;
 145                 }
 146         }
 147
 148         /**
 149          * @todo handle missing log types
 150          * @param string $type logtype
 151          * @return string Headertext of this logtype
 152          */
 153         public static function logHeader( $type ) {
 154                 global $wgLogHeaders, $wgMessageCache;
 155                 $wgMessageCache->loadAllMessages();
 156                 return wfMsgExt($wgLogHeaders[$type],array('parseinline'));
 157         }
 158
 159         /**
 160          * @static
 161          * @return HTML string
 162          */
 163         public static function actionText( $type, $action, $title = NULL, $skin = NULL,
 164                 $params = array(), $filterWikilinks = false )
 165         {
 166                 global $wgLang, $wgContLang, $wgLogActions, $wgMessageCache;
 167
 168                 $wgMessageCache->loadAllMessages();
 169                 $key = "$type/$action";
 170                 # Defer patrol log to PatrolLog class
 171                 if( $key == 'patrol/patrol' ) {
 172                         return PatrolLog::makeActionText( $title, $params, $skin );
 173                 }
 174                 if( isset( $wgLogActions[$key] ) ) {
 175                         if( is_null( $title ) ) {
 176                                 $rv = wfMsg( $wgLogActions[$key] );
 177                         } else {
 178                                 $titleLink = self::getTitleLink( $type, $skin, $title, $params );
 179                                 if( $key == 'rights/rights' ) {
 180                                         if( $skin ) {
 181                                                 $rightsnone = wfMsg( 'rightsnone' );
 182                                                 foreach ( $params as &$param ) {
 183                                                         $groupArray = array_map( 'trim', explode( ',', $param ) );
 184                                                         $groupArray = array_map( array( 'User', 'getGroupName' ), $groupArray );
 185                                                         $param = $wgLang->listToText( $groupArray );
 186                                                 }
 187                                         } else {
 188                                                 $rightsnone = wfMsgForContent( 'rightsnone' );
 189                                         }
 190                                         if( !isset( $params[0] ) || trim( $params[0] ) == '' )
 191                                                 $params[0] = $rightsnone;
 192                                         if( !isset( $params[1] ) || trim( $params[1] ) == '' )
 193                                                 $params[1] = $rightsnone;
 194                                 }
 195                                 if( count( $params ) == 0 ) {
 196                                         if ( $skin ) {
 197                                                 $rv = wfMsg( $wgLogActions[$key], $titleLink );
 198                                         } else {
 199                                                 $rv = wfMsgForContent( $wgLogActions[$key], $titleLink );
 200                                         }
 201                                 } else {
 202                                         $details = '';
 203                                         array_unshift( $params, $titleLink );
 204                                         // User suppression
 205                                         if ( preg_match( '/^(block|suppress)\/(block|reblock)$/', $key ) ) {
 206                                                 if ( $skin ) {
 207                                                         $params[1] = '<span title="' . htmlspecialchars( $params[1] ). '">' .
 208                                                                 $wgLang->translateBlockExpiry( $params[1] ) . '</span>';
 209                                                 } else {
 210                                                         $params[1] = $wgContLang->translateBlockExpiry( $params[1] );
 211                                                 }
 212                                                 $params[2] = isset( $params[2] ) ?
 213                                                         self::formatBlockFlags( $params[2], is_null( $skin ) ) : '';
 214                                         // Page protections
 215                                         } else if ( $type == 'protect' && count($params) == 3 ) {
 216                                                 $details .= " {$params[1]}"; // restrictions and expiries
 217                                                 if( $params[2] ) {
 218                                                         if ( $skin ) {
 219                                                                 $details .= ' ['.wfMsg('protect-summary-cascade').']';
 220                                                         } else {
 221                                                                 $details .= ' ['.wfMsgForContent('protect-summary-cascade').']';
 222                                                         }
 223                                                 }
 224                                         // Page moves
 225                                         } else if ( $type == 'move' && count( $params ) == 3 ) {
 226                                                 if( $params[2] ) {
 227                                                         if ( $skin ) {
 228                                                                 $details .= ' [' . wfMsg( 'move-redirect-suppressed' ) . ']';
 229                                                         } else {
 230                                                                 $details .= ' [' . wfMsgForContent( 'move-redirect-suppressed' ) . ']';
 231                                                         }
 232                                                 }
 233                                         // Revision deletion
 234                                         } else if ( preg_match( '/^(delete|suppress)\/revision$/', $key ) && count( $params ) == 5 ) {
 235                                                 $count = substr_count( $params[2], ',' ) + 1; // revisions
 236                                                 $ofield = intval( substr( $params[3], 7 ) ); // <ofield=x>
 237                                                 $nfield = intval( substr( $params[4], 7 ) ); // <nfield=x>
 238                                                 $details .= ': '.RevisionDeleter::getLogMessage( $count, $nfield, $ofield, false );
 239                                         // Log deletion
 240                                         } else if ( preg_match( '/^(delete|suppress)\/event$/', $key ) && count( $params ) == 4 ) {
 241                                                 $count = substr_count( $params[1], ',' ) + 1; // log items
 242                                                 $ofield = intval( substr( $params[2], 7 ) ); // <ofield=x>
 243                                                 $nfield = intval( substr( $params[3], 7 ) ); // <nfield=x>
 244                                                 $details .= ': '.RevisionDeleter::getLogMessage( $count, $nfield, $ofield, true );
 245                                         }
 246                                         $rv = wfMsgReal( $wgLogActions[$key], $params, true, !$skin ) . $details;
 247                                 }
 248                         }
 249                 } else {
 250                         global $wgLogActionsHandlers;
 251                         if( isset( $wgLogActionsHandlers[$key] ) ) {
 252                                 $args = func_get_args();
 253                                 $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
 254                         } else {
 255                                 wfDebug( "LogPage::actionText - unknown action $key\n" );
 256                                 $rv = "$action";
 257                         }
 258                 }
 259
 260                 // For the perplexed, this feature was added in r7855 by Erik.
 261                 //  The feature was added because we liked adding [[$1]] in our log entries
 262                 //  but the log entries are parsed as Wikitext on RecentChanges but as HTML
 263                 //  on Special:Log. The hack is essentially that [[$1]] represented a link
 264                 //  to the title in question. The first parameter to the HTML version (Special:Log)
 265                 //  is that link in HTML form, and so this just gets rid of the ugly [[]].
 266                 //  However, this is a horrible hack and it doesn't work like you expect if, say,
 267                 //  you want to link to something OTHER than the title of the log entry.
 268                 //  The real problem, which Erik was trying to fix (and it sort-of works now) is
 269                 //  that the same messages are being treated as both wikitext *and* HTML.
 270                 if( $filterWikilinks ) {
 271                         $rv = str_replace( "[[", "", $rv );
 272                         $rv = str_replace( "]]", "", $rv );
 273                 }
 274                 return $rv;
 275         }
 276
 277         protected static function getTitleLink( $type, $skin, $title, &$params ) {
 278                 global $wgLang, $wgContLang;
 279                 if( !$skin ) {
 280                         return $title->getPrefixedText();
 281                 }
 282                 switch( $type ) {
 283                         case 'move':
 284                                 $titleLink = $skin->makeLinkObj( $title,
 285                                         htmlspecialchars( $title->getPrefixedText() ), 'redirect=no' );
 286                                 $targetTitle = Title::newFromText( $params[0] );
 287                                 if ( !$targetTitle ) {
 288                                         # Workaround for broken database
 289                                         $params[0] = htmlspecialchars( $params[0] );
 290                                 } else {
 291                                         $params[0] = $skin->makeLinkObj( $targetTitle, htmlspecialchars( $params[0] ) );
 292                                 }
 293                                 break;
 294                         case 'block':
 295                                 if( substr( $title->getText(), 0, 1 ) == '#' ) {
 296                                         $titleLink = $title->getText();
 297                                 } else {
 298                                         // TODO: Store the user identifier in the parameters
 299                                         // to make this faster for future log entries
 300                                         $id = User::idFromName( $title->getText() );
 301                                         $titleLink = $skin->userLink( $id, $title->getText() )
 302                                                 . $skin->userToolLinks( $id, $title->getText(), false, Linker::TOOL_LINKS_NOBLOCK );
 303                                 }
 304                                 break;
 305                         case 'rights':
 306                                 $text = $wgContLang->ucfirst( $title->getText() );
 307                                 $titleLink = $skin->makeLinkObj( Title::makeTitle( NS_USER, $text ) );
 308                                 break;
 309                         case 'merge':
 310                                 $titleLink = $skin->makeLinkObj( $title, $title->getPrefixedText(), 'redirect=no' );
 311                                 $params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), htmlspecialchars( $params[0] ) );
 312                                 $params[1] = $wgLang->timeanddate( $params[1] );
 313                                 break;
 314                         default:
 315                                 if( $title->getNamespace() == NS_SPECIAL ) {
 316                                         list( $name, $par ) = SpecialPage::resolveAliasWithSubpage( $title->getDBKey() );
 317                                         # Use the language name for log titles, rather than Log/X
 318                                         if( $name == 'Log' ) {
 319                                                 $titleLink = '('.$skin->makeLinkObj( $title, LogPage::logName( $par ) ).')';
 320                                         } else {
 321                                                 $titleLink = $skin->makeLinkObj( $title );
 322                                         }
 323                                 } else {
 324                                         $titleLink = $skin->makeLinkObj( $title );
 325                                 }
 326                 }
 327                 return $titleLink;
 328         }
 329
 330         /**
 331          * Add a log entry
 332          * @param string $action one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
 333          * @param object &$target A title object.
 334          * @param string $comment Description associated
 335          * @param array $params Parameters passed later to wfMsg.* functions
 336          * @param User $doer The user doing the action
 337          */
 338         public function addEntry( $action, $target, $comment, $params = array(), $doer = null ) {
 339                 if ( !is_array( $params ) ) {
 340                         $params = array( $params );
 341                 }
 342
 343                 $this->action = $action;
 344                 $this->target = $target;
 345                 $this->comment = $comment;
 346                 $this->params = LogPage::makeParamBlob( $params );
 347
 348                 if ($doer === null) {
 349                         global $wgUser;
 350                         $doer = $wgUser;
 351                 } elseif (!is_object( $doer ) ) {
 352                         $doer = User::newFromId( $doer );
 353                 }
 354
 355                 $this->doer = $doer;
 356
 357                 $this->actionText = LogPage::actionText( $this->type, $action, $target, NULL, $params );
 358
 359                 return $this->saveContent();
 360         }
 361
 362         /**
 363          * Create a blob from a parameter array
 364          * @static
 365          */
 366         public static function makeParamBlob( $params ) {
 367                 return implode( "\n", $params );
 368         }
 369
 370         /**
 371          * Extract a parameter array from a blob
 372          * @static
 373          */
 374         public static function extractParams( $blob ) {
 375                 if ( $blob === '' ) {
 376                         return array();
 377                 } else {
 378                         return explode( "\n", $blob );
 379                 }
 380         }
 381
 382         /**
 383          * Convert a comma-delimited list of block log flags
 384          * into a more readable (and translated) form
 385          *
 386          * @param $flags Flags to format
 387          * @param $forContent Whether to localize the message depending of the user
 388          *                    language
 389          * @return string
 390          */
 391         public static function formatBlockFlags( $flags, $forContent = false ) {
 392                 global $wgLang;
 393
 394                 $flags = explode( ',', trim( $flags ) );
 395                 if( count( $flags ) > 0 ) {
 396                         for( $i = 0; $i < count( $flags ); $i++ )
 397                                 $flags[$i] = self::formatBlockFlag( $flags[$i], $forContent );
 398                         return '(' . $wgLang->commaList( $flags ) . ')';
 399                 } else {
 400                         return '';
 401                 }
 402         }
 403
 404         /**
 405          * Translate a block log flag if possible
 406          *
 407          * @param $flag Flag to translate
 408          * @param $forContent Whether to localize the message depending of the user
 409          *                    language
 410          * @return string
 411          */
 412         public static function formatBlockFlag( $flag, $forContent = false ) {
 413                 static $messages = array();
 414                 if( !isset( $messages[$flag] ) ) {
 415                         $k = 'block-log-flags-' . $flag;
 416                         if( $forContent )
 417                                 $msg = wfMsgForContent( $k );
 418                         else
 419                                 $msg = wfMsg( $k );
 420                         $messages[$flag] = htmlspecialchars( wfEmptyMsg( $k, $msg ) ? $flag : $msg );
 421                 }
 422                 return $messages[$flag];
 423         }
 424 }
 425
 426 /**
 427  * Aliases for backwards compatibility with 1.6
 428  */
 429 define( 'MW_LOG_DELETED_ACTION', LogPage::DELETED_ACTION );
 430 define( 'MW_LOG_DELETED_USER', LogPage::DELETED_USER );
 431 define( 'MW_LOG_DELETED_COMMENT', LogPage::DELETED_COMMENT );
 432 define( 'MW_LOG_DELETED_RESTRICTED', LogPage::DELETED_RESTRICTED );