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  *
  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;
  39         /* @acess public */
  40         var $updateRecentChanges;
  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           */
  49         function __construct( $type, $rc = true ) {
  50                 $this->type = $type;
  51                 $this->updateRecentChanges = $rc;
  52         }
  53
  54         function saveContent() {
  55                 if( wfReadOnly() ) return false;
  56
  57                 global $wgUser, $wgLogRestrictions;
  58                 $fname = 'LogPage::saveContent';
  59
  60                 $dbw = wfGetDB( DB_MASTER );
  61                 $uid = $wgUser->getID();
  62                 $log_id = $dbw->nextSequenceValue( 'log_log_id_seq' );
  63
  64                 $this->timestamp = $now = wfTimestampNow();
  65                 $data = array(
  66                         'log_type' => $this->type,
  67                         'log_action' => $this->action,
  68                         'log_timestamp' => $dbw->timestamp( $now ),
  69                         'log_user' => $uid,
  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 = $dbw->insertId();
  77
  78                 $ok = ($dbw->affectedRows() > 0);
  79                 # And update recentchanges
  80                 if( $ok && $this->updateRecentChanges ) {
  81                         # Don't add private logs to RC!
  82                         if( !isset($wgLogRestrictions[$this->type]) || $wgLogRestrictions[$this->type]=='*' ) {
  83                                 $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
  84                                 $rcComment = $this->getRcComment();
  85                                 RecentChange::notifyLog( $now, $titleObj, $wgUser, $rcComment, '',
  86                                         $this->type, $this->action, $this->target, $this->comment, $this->params, $newId );
  87                         }
  88                 } else {
  89                         wfDebug( "LogPage::saveContent failed to insert row - Error {$dbw->lastErrno()}: {$dbw->lastError()}" );
  90                 }
  91                 return $ok;
  92         }
  93
  94         public function getRcComment() {
  95                 $rcComment = $this->actionText;
  96                 if( '' != $this->comment ) {
  97                         if ($rcComment == '')
  98                                 $rcComment = $this->comment;
  99                         else
 100                                 $rcComment .= ': ' . $this->comment;
 101                 }
 102                 return $rcComment;
 103         }
 104
 105         /**
 106          * @static
 107          */
 108         public static function validTypes() {
 109                 global $wgLogTypes;
 110                 return $wgLogTypes;
 111         }
 112
 113         /**
 114          * @static
 115          */
 116         public static function isLogType( $type ) {
 117                 return in_array( $type, LogPage::validTypes() );
 118         }
 119
 120         /**
 121          * @static
 122          */
 123         public static function logName( $type ) {
 124                 global $wgLogNames, $wgMessageCache;
 125
 126                 if( isset( $wgLogNames[$type] ) ) {
 127                         $wgMessageCache->loadAllMessages();
 128                         return str_replace( '_', ' ', wfMsg( $wgLogNames[$type] ) );
 129                 } else {
 130                         // Bogus log types? Perhaps an extension was removed.
 131                         return $type;
 132                 }
 133         }
 134
 135         /**
 136          * @todo handle missing log types
 137          * @param string $type logtype
 138          * @return string Headertext of this logtype
 139          */
 140         static function logHeader( $type ) {
 141                 global $wgLogHeaders;
 142                 return wfMsgExt($wgLogHeaders[$type],array('parseinline'));
 143         }
 144
 145         /**
 146          * @static
 147          */
 148         static function actionText( $type, $action, $title = NULL, $skin = NULL, $params = array(), $filterWikilinks=false ) {
 149                 global $wgLang, $wgContLang, $wgLogActions;
 150
 151                 $key = "$type/$action";
 152
 153                 if( $key == 'patrol/patrol' )
 154                         return PatrolLog::makeActionText( $title, $params, $skin );
 155
 156                 if( isset( $wgLogActions[$key] ) ) {
 157                         if( is_null( $title ) ) {
 158                                 $rv=wfMsg( $wgLogActions[$key] );
 159                         } else {
 160                                 if( $skin ) {
 161
 162                                         switch( $type ) {
 163                                                 case 'move':
 164                                                         $titleLink = $skin->makeLinkObj( $title, htmlspecialchars( $title->getPrefixedText() ), 'redirect=no' );
 165                                                         $params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), htmlspecialchars( $params[0] ) );
 166                                                         break;
 167                                                 case 'block':
 168                                                         if( substr( $title->getText(), 0, 1 ) == '#' ) {
 169                                                                 $titleLink = $title->getText();
 170                                                         } else {
 171                                                                 // TODO: Store the user identifier in the parameters
 172                                                                 // to make this faster for future log entries
 173                                                                 $id = User::idFromName( $title->getText() );
 174                                                                 $titleLink = $skin->userLink( $id, $title->getText() )
 175                                                                         . $skin->userToolLinks( $id, $title->getText(), false, Linker::TOOL_LINKS_NOBLOCK );
 176                                                         }
 177                                                         break;
 178                                                 case 'rights':
 179                                                         $text = $wgContLang->ucfirst( $title->getText() );
 180                                                         $titleLink = $skin->makeLinkObj( Title::makeTitle( NS_USER, $text ) );
 181                                                         break;
 182                                                 case 'merge':
 183                                                         $titleLink = $skin->makeLinkObj( $title, $title->getPrefixedText(), 'redirect=no' );
 184                                                         $params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), htmlspecialchars( $params[0] ) );
 185                                                         $params[1] = $wgLang->timeanddate( $params[1] );
 186                                                         break;
 187                                                 default:
 188                                                         $titleLink = $skin->makeLinkObj( $title );
 189                                         }
 190
 191                                 } else {
 192                                         $titleLink = $title->getPrefixedText();
 193                                 }
 194                                 if( $key == 'rights/rights' ) {
 195                                         if ($skin) {
 196                                                 $rightsnone = wfMsg( 'rightsnone' );
 197                                         } else {
 198                                                 $rightsnone = wfMsgForContent( 'rightsnone' );
 199                                         }
 200                                         if( !isset( $params[0] ) || trim( $params[0] ) == '' )
 201                                                 $params[0] = $rightsnone;
 202                                         if( !isset( $params[1] ) || trim( $params[1] ) == '' )
 203                                                 $params[1] = $rightsnone;
 204                                 }
 205                                 if( count( $params ) == 0 ) {
 206                                         if ( $skin ) {
 207                                                 $rv = wfMsg( $wgLogActions[$key], $titleLink );
 208                                         } else {
 209                                                 $rv = wfMsgForContent( $wgLogActions[$key], $titleLink );
 210                                         }
 211                                 } else {
 212                                         array_unshift( $params, $titleLink );
 213                                         if ( $key == 'block/block' || $key == 'suppress/block' ) {
 214                                                 if ( $skin ) {
 215                                                         $params[1] = '<span title="' . htmlspecialchars( $params[1] ). '">' . $wgLang->translateBlockExpiry( $params[1] ) . '</span>';
 216                                                 } else {
 217                                                         $params[1] = $wgContLang->translateBlockExpiry( $params[1] );
 218                                                 }
 219                                                 $params[2] = isset( $params[2] )
 220                                                                                 ? self::formatBlockFlags( $params[2], is_null( $skin ) )
 221                                                                                 : '';
 222                                         }
 223                                         $rv = wfMsgReal( $wgLogActions[$key], $params, true, !$skin );
 224                                 }
 225                         }
 226                 } else {
 227                         wfDebug( "LogPage::actionText - unknown action $key\n" );
 228                         $rv = "$action";
 229                 }
 230                 if( $filterWikilinks ) {
 231                         $rv = str_replace( "[[", "", $rv );
 232                         $rv = str_replace( "]]", "", $rv );
 233                 }
 234                 return $rv;
 235         }
 236
 237         /**
 238          * Add a log entry
 239          * @param string $action one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
 240          * @param object &$target A title object.
 241          * @param string $comment Description associated
 242          * @param array $params Parameters passed later to wfMsg.* functions
 243          */
 244         function addEntry( $action, $target, $comment, $params = array() ) {
 245                 if ( !is_array( $params ) ) {
 246                         $params = array( $params );
 247                 }
 248
 249                 $this->action = $action;
 250                 $this->target = $target;
 251                 $this->comment = $comment;
 252                 $this->params = LogPage::makeParamBlob( $params );
 253
 254                 $this->actionText = LogPage::actionText( $this->type, $action, $target, NULL, $params );
 255
 256                 return $this->saveContent();
 257         }
 258
 259         /**
 260          * Create a blob from a parameter array
 261          * @static
 262          */
 263         static function makeParamBlob( $params ) {
 264                 return implode( "\n", $params );
 265         }
 266
 267         /**
 268          * Extract a parameter array from a blob
 269          * @static
 270          */
 271         static function extractParams( $blob ) {
 272                 if ( $blob === '' ) {
 273                         return array();
 274                 } else {
 275                         return explode( "\n", $blob );
 276                 }
 277         }
 278
 279         /**
 280          * Convert a comma-delimited list of block log flags
 281          * into a more readable (and translated) form
 282          *
 283          * @param $flags Flags to format
 284          * @param $forContent Whether to localize the message depending of the user
 285          *                    language
 286          * @return string
 287          */
 288         public static function formatBlockFlags( $flags, $forContent = false ) {
 289                 $flags = explode( ',', trim( $flags ) );
 290                 if( count( $flags ) > 0 ) {
 291                         for( $i = 0; $i < count( $flags ); $i++ )
 292                                 $flags[$i] = self::formatBlockFlag( $flags[$i], $forContent );
 293                         return '(' . implode( ', ', $flags ) . ')';
 294                 } else {
 295                         return '';
 296                 }
 297         }
 298
 299         /**
 300          * Translate a block log flag if possible
 301          *
 302          * @param $flag Flag to translate
 303          * @param $forContent Whether to localize the message depending of the user
 304          *                    language
 305          * @return string
 306          */
 307         public static function formatBlockFlag( $flag, $forContent = false ) {
 308                 static $messages = array();
 309                 if( !isset( $messages[$flag] ) ) {
 310                         $k = 'block-log-flags-' . $flag;
 311                         if( $forContent )
 312                                 $msg = wfMsgForContent( $k );
 313                         else
 314                                 $msg = wfMsg( $k );
 315                         $messages[$flag] = htmlspecialchars( wfEmptyMsg( $k, $msg ) ? $flag : $msg );
 316                 }
 317                 return $messages[$flag];
 318         }
 319 }
 320
 321 /**
 322  * Aliases for backwards compatibility with 1.6
 323  */
 324 define( 'MW_LOG_DELETED_ACTION', LogPage::DELETED_ACTION );
 325 define( 'MW_LOG_DELETED_USER', LogPage::DELETED_USER );
 326 define( 'MW_LOG_DELETED_COMMENT', LogPage::DELETED_COMMENT );
 327 define( 'MW_LOG_DELETED_RESTRICTED', LogPage::DELETED_RESTRICTED );