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
  49           */
  50         function __construct( $type, $rc = true, $udp = true ) {
  51                 $this->type = $type;
  52                 $this->updateRecentChanges = $rc;
  53                 $this->sendToUDP = $udp;
  54         }
  55
  56         protected function saveContent() {
  57                 global $wgUser, $wgLogRestrictions;
  58                 $fname = 'LogPage::saveContent';
  59
  60                 $dbw = wfGetDB( DB_MASTER );
  61                 $log_id = $dbw->nextSequenceValue( 'log_log_id_seq' );
  62
  63                 $this->timestamp = $now = wfTimestampNow();
  64                 $data = array(
  65                         'log_id' => $log_id,
  66                         'log_type' => $this->type,
  67                         'log_action' => $this->action,
  68                         'log_timestamp' => $dbw->timestamp( $now ),
  69                         'log_user' => $this->doer->getId(),
  70                         'log_namespace' => $this->target->getNamespace(),
  71                         'log_title' => $this->target->getDBkey(),
  72                         'log_comment' => $this->comment,
  73                         'log_params' => $this->params
  74                 );
  75                 $dbw->insert( 'logging', $data, $fname );
  76                 $newId = !is_null($log_id) ? $log_id : $dbw->insertId();
  77
  78                 if( !($dbw->affectedRows() > 0) ) {
  79                         wfDebugLog( "logging", "LogPage::saveContent failed to insert row - Error {$dbw->lastErrno()}: {$dbw->lastError()}" );
  80                 }
  81                 # And update recentchanges
  82                 if( $this->updateRecentChanges ) {
  83                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  84                         RecentChange::notifyLog( $now, $titleObj, $this->doer, $this->getRcComment(), '', $this->type,
  85                                 $this->action, $this->target, $this->comment, $this->params, $newId );
  86                 } else if( $this->sendToUDP ) {
  87                         # Don't send private logs to UDP
  88                         if( isset($wgLogRestrictions[$this->type]) && $wgLogRestrictions[$this->type] !='*' ) {
  89                                 return true;
  90                         }
  91                         # Notify external application via UDP.
  92                         # We send this to IRC but do not want to add it the RC table.
  93                         global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
  94                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  95                         $rc = RecentChange::newLogEntry( $now, $titleObj, $this->doer, $this->getRcComment(), '',
  96                                 $this->type, $this->action, $this->target, $this->comment, $this->params, $newId );
  97                         if( $wgRC2UDPAddress && ( !$rc->getAttribute('rc_bot') || !$wgRC2UDPOmitBots ) ) {
  98                                 RecentChange::sendToUDP( $rc->getIRCLine() );
  99                         }
 100                 }
 101                 return true;
 102         }
 103
 104         /**
 105          * Get the RC comment from the last addEntry() call
 106          */
 107         public function getRcComment() {
 108                 $rcComment = $this->actionText;
 109                 if( '' != $this->comment ) {
 110                         if ($rcComment == '')
 111                                 $rcComment = $this->comment;
 112                         else
 113                                 $rcComment .= wfMsgForContent( 'colon-separator' ) . $this->comment;
 114                 }
 115                 return $rcComment;
 116         }
 117
 118         /**
 119          * Get the comment from the last addEntry() call
 120          */
 121         public function getComment() {
 122                 return $this->comment;
 123         }
 124
 125         /**
 126          * @static
 127          */
 128         public static function validTypes() {
 129                 global $wgLogTypes;
 130                 return $wgLogTypes;
 131         }
 132
 133         /**
 134          * @static
 135          */
 136         public static function isLogType( $type ) {
 137                 return in_array( $type, LogPage::validTypes() );
 138         }
 139
 140         /**
 141          * @static
 142          */
 143         public static function logName( $type ) {
 144                 global $wgLogNames, $wgMessageCache;
 145
 146                 if( isset( $wgLogNames[$type] ) ) {
 147                         $wgMessageCache->loadAllMessages();
 148                         return str_replace( '_', ' ', wfMsg( $wgLogNames[$type] ) );
 149                 } else {
 150                         // Bogus log types? Perhaps an extension was removed.
 151                         return $type;
 152                 }
 153         }
 154
 155         /**
 156          * @todo handle missing log types
 157          * @param string $type logtype
 158          * @return string Headertext of this logtype
 159          */
 160         static function logHeader( $type ) {
 161                 global $wgLogHeaders, $wgMessageCache;
 162                 $wgMessageCache->loadAllMessages();
 163                 return wfMsgExt($wgLogHeaders[$type],array('parseinline'));
 164         }
 165
 166         /**
 167          * @static
 168          * @return HTML string
 169          */
 170         static function actionText( $type, $action, $title = NULL, $skin = NULL,
 171                 $params = array(), $filterWikilinks = false )
 172         {
 173                 global $wgLang, $wgContLang, $wgLogActions, $wgMessageCache;
 174
 175                 $wgMessageCache->loadAllMessages();
 176                 $key = "$type/$action";
 177                 # Defer patrol log to PatrolLog class
 178                 if( $key == 'patrol/patrol' ) {
 179                         return PatrolLog::makeActionText( $title, $params, $skin );
 180                 }
 181                 if( isset( $wgLogActions[$key] ) ) {
 182                         if( is_null( $title ) ) {
 183                                 $rv = wfMsg( $wgLogActions[$key] );
 184                         } else {
 185                                 $titleLink = self::getTitleLink( $type, $skin, $title, $params );
 186                                 if( $key == 'rights/rights' ) {
 187                                         if( $skin ) {
 188                                                 $rightsnone = wfMsg( 'rightsnone' );
 189                                                 foreach ( $params as &$param ) {
 190                                                         $groupArray = array_map( 'trim', explode( ',', $param ) );
 191                                                         $groupArray = array_map( array( 'User', 'getGroupName' ), $groupArray );
 192                                                         $param = $wgLang->listToText( $groupArray );
 193                                                 }
 194                                         } else {
 195                                                 $rightsnone = wfMsgForContent( 'rightsnone' );
 196                                         }
 197                                         if( !isset( $params[0] ) || trim( $params[0] ) == '' )
 198                                                 $params[0] = $rightsnone;
 199                                         if( !isset( $params[1] ) || trim( $params[1] ) == '' )
 200                                                 $params[1] = $rightsnone;
 201                                 }
 202                                 if( count( $params ) == 0 ) {
 203                                         if ( $skin ) {
 204                                                 $rv = wfMsg( $wgLogActions[$key], $titleLink );
 205                                         } else {
 206                                                 $rv = wfMsgForContent( $wgLogActions[$key], $titleLink );
 207                                         }
 208                                 } else {
 209                                         $details = '';
 210                                         array_unshift( $params, $titleLink );
 211                                         if ( $key == 'block/block' || $key == 'suppress/block' || $key == 'block/reblock' ) {
 212                                                 if ( $skin ) {
 213                                                         $params[1] = '<span title="' . htmlspecialchars( $params[1] ). '">' .
 214                                                                 $wgLang->translateBlockExpiry( $params[1] ) . '</span>';
 215                                                 } else {
 216                                                         $params[1] = $wgContLang->translateBlockExpiry( $params[1] );
 217                                                 }
 218                                                 $params[2] = isset( $params[2] ) ?
 219                                                         self::formatBlockFlags( $params[2], is_null( $skin ) ) : '';
 220                                         } else if ( $type == 'protect' && count($params) == 3 ) {
 221                                                 $details .= " {$params[1]}"; // restrictions and expiries
 222                                                 if( $params[2] ) {
 223                                                         $details .= ' ['.wfMsg('protect-summary-cascade').']';
 224                                                 }
 225                                         } else if ( $type == 'move' && count( $params ) == 3 ) {
 226                                                 if( $params[2] ) {
 227                                                         $details .= ' [' . wfMsg( 'move-redirect-suppressed' ) . ']';
 228                                                 }
 229                                         }
 230                                         $rv = wfMsgReal( $wgLogActions[$key], $params, true, !$skin ) . $details;
 231                                 }
 232                         }
 233                 } else {
 234                         global $wgLogActionsHandlers;
 235                         if( isset( $wgLogActionsHandlers[$key] ) ) {
 236                                 $args = func_get_args();
 237                                 $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
 238                         } else {
 239                                 wfDebug( "LogPage::actionText - unknown action $key\n" );
 240                                 $rv = "$action";
 241                         }
 242                 }
 243                 if( $filterWikilinks ) {
 244                         $rv = str_replace( "[[", "", $rv );
 245                         $rv = str_replace( "]]", "", $rv );
 246                 }
 247                 return $rv;
 248         }
 249
 250         protected static function getTitleLink( $type, $skin, $title, &$params ) {
 251                 global $wgLang, $wgContLang;
 252                 if( !$skin ) {
 253                         return $title->getPrefixedText();
 254                 }
 255                 switch( $type ) {
 256                         case 'move':
 257                                 $titleLink = $skin->makeLinkObj( $title,
 258                                         htmlspecialchars( $title->getPrefixedText() ), 'redirect=no' );
 259                                 $targetTitle = Title::newFromText( $params[0] );
 260                                 if ( !$targetTitle ) {
 261                                         # Workaround for broken database
 262                                         $params[0] = htmlspecialchars( $params[0] );
 263                                 } else {
 264                                         $params[0] = $skin->makeLinkObj( $targetTitle, htmlspecialchars( $params[0] ) );
 265                                 }
 266                                 break;
 267                         case 'block':
 268                                 if( substr( $title->getText(), 0, 1 ) == '#' ) {
 269                                         $titleLink = $title->getText();
 270                                 } else {
 271                                         // TODO: Store the user identifier in the parameters
 272                                         // to make this faster for future log entries
 273                                         $id = User::idFromName( $title->getText() );
 274                                         $titleLink = $skin->userLink( $id, $title->getText() )
 275                                                 . $skin->userToolLinks( $id, $title->getText(), false, Linker::TOOL_LINKS_NOBLOCK );
 276                                 }
 277                                 break;
 278                         case 'rights':
 279                                 $text = $wgContLang->ucfirst( $title->getText() );
 280                                 $titleLink = $skin->makeLinkObj( Title::makeTitle( NS_USER, $text ) );
 281                                 break;
 282                         case 'merge':
 283                                 $titleLink = $skin->makeLinkObj( $title, $title->getPrefixedText(), 'redirect=no' );
 284                                 $params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), htmlspecialchars( $params[0] ) );
 285                                 $params[1] = $wgLang->timeanddate( $params[1] );
 286                                 break;
 287                         default:
 288                                 if( $title->getNamespace() == NS_SPECIAL ) {
 289                                         list( $name, $par ) = SpecialPage::resolveAliasWithSubpage( $title->getDBKey() );
 290                                         # Use the language name for log titles, rather than Log/X
 291                                         if( $name == 'Log' ) {
 292                                                 $titleLink = '('.$skin->makeLinkObj( $title, LogPage::logName( $par ) ).')';
 293                                         } else {
 294                                                 $titleLink = $skin->makeLinkObj( $title );
 295                                         }
 296                                 } else {
 297                                         $titleLink = $skin->makeLinkObj( $title );
 298                                 }
 299                 }
 300                 return $titleLink;
 301         }
 302
 303         /**
 304          * Add a log entry
 305          * @param string $action one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
 306          * @param object &$target A title object.
 307          * @param string $comment Description associated
 308          * @param array $params Parameters passed later to wfMsg.* functions
 309          * @param User $doer The user doing the action
 310          */
 311         function addEntry( $action, $target, $comment, $params = array(), $doer = null ) {
 312                 if ( !is_array( $params ) ) {
 313                         $params = array( $params );
 314                 }
 315
 316                 $this->action = $action;
 317                 $this->target = $target;
 318                 $this->comment = $comment;
 319                 $this->params = LogPage::makeParamBlob( $params );
 320
 321                 if ($doer === null) {
 322                         global $wgUser;
 323                         $doer = $wgUser;
 324                 } elseif (!is_object( $doer ) ) {
 325                         $doer = User::newFromId( $doer );
 326                 }
 327
 328                 $this->doer = $doer;
 329
 330                 $this->actionText = LogPage::actionText( $this->type, $action, $target, NULL, $params );
 331
 332                 return $this->saveContent();
 333         }
 334
 335         /**
 336          * Create a blob from a parameter array
 337          * @static
 338          */
 339         static function makeParamBlob( $params ) {
 340                 return implode( "\n", $params );
 341         }
 342
 343         /**
 344          * Extract a parameter array from a blob
 345          * @static
 346          */
 347         static function extractParams( $blob ) {
 348                 if ( $blob === '' ) {
 349                         return array();
 350                 } else {
 351                         return explode( "\n", $blob );
 352                 }
 353         }
 354
 355         /**
 356          * Convert a comma-delimited list of block log flags
 357          * into a more readable (and translated) form
 358          *
 359          * @param $flags Flags to format
 360          * @param $forContent Whether to localize the message depending of the user
 361          *                    language
 362          * @return string
 363          */
 364         public static function formatBlockFlags( $flags, $forContent = false ) {
 365                 $flags = explode( ',', trim( $flags ) );
 366                 if( count( $flags ) > 0 ) {
 367                         for( $i = 0; $i < count( $flags ); $i++ )
 368                                 $flags[$i] = self::formatBlockFlag( $flags[$i], $forContent );
 369                         return '(' . implode( ', ', $flags ) . ')';
 370                 } else {
 371                         return '';
 372                 }
 373         }
 374
 375         /**
 376          * Translate a block log flag if possible
 377          *
 378          * @param $flag Flag to translate
 379          * @param $forContent Whether to localize the message depending of the user
 380          *                    language
 381          * @return string
 382          */
 383         public static function formatBlockFlag( $flag, $forContent = false ) {
 384                 static $messages = array();
 385                 if( !isset( $messages[$flag] ) ) {
 386                         $k = 'block-log-flags-' . $flag;
 387                         if( $forContent )
 388                                 $msg = wfMsgForContent( $k );
 389                         else
 390                                 $msg = wfMsg( $k );
 391                         $messages[$flag] = htmlspecialchars( wfEmptyMsg( $k, $msg ) ? $flag : $msg );
 392                 }
 393                 return $messages[$flag];
 394         }
 395 }
 396
 397 /**
 398  * Aliases for backwards compatibility with 1.6
 399  */
 400 define( 'MW_LOG_DELETED_ACTION', LogPage::DELETED_ACTION );
 401 define( 'MW_LOG_DELETED_USER', LogPage::DELETED_USER );
 402 define( 'MW_LOG_DELETED_COMMENT', LogPage::DELETED_COMMENT );
 403 define( 'MW_LOG_DELETED_RESTRICTED', LogPage::DELETED_RESTRICTED );