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