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, $params=array(), $filterWikilinks=false ) {
 159                 global $wgLang, $wgContLang, $wgLogActions, $wgMessageCache;
 160
 161                 $wgMessageCache->loadAllMessages();
 162                 $key = "$type/$action";
 163                 # Defer patrol log to PatrolLog class
 164                 if( $key == 'patrol/patrol' ) {
 165                         return PatrolLog::makeActionText( $title, $params, $skin );
 166                 }
 167                 if( isset( $wgLogActions[$key] ) ) {
 168                         if( is_null( $title ) ) {
 169                                 $rv = wfMsg( $wgLogActions[$key] );
 170                         } else {
 171                                 $titleLink = self::getTitleLink( $type, $skin, $title, $params );
 172                                 if( $key == 'rights/rights' ) {
 173                                         if( $skin ) {
 174                                                 $rightsnone = wfMsg( 'rightsnone' );
 175                                                 foreach ( $params as &$param ) {
 176                                                         $groupArray = array_map( 'trim', explode( ',', $param ) );
 177                                                         $groupArray = array_map( array( 'User', 'getGroupName' ), $groupArray );
 178                                                         $param = $wgLang->listToText( $groupArray );
 179                                                 }
 180                                         } else {
 181                                                 $rightsnone = wfMsgForContent( 'rightsnone' );
 182                                         }
 183                                         if( !isset( $params[0] ) || trim( $params[0] ) == '' )
 184                                                 $params[0] = $rightsnone;
 185                                         if( !isset( $params[1] ) || trim( $params[1] ) == '' )
 186                                                 $params[1] = $rightsnone;
 187                                 }
 188                                 if( count( $params ) == 0 ) {
 189                                         if ( $skin ) {
 190                                                 $rv = wfMsg( $wgLogActions[$key], $titleLink );
 191                                         } else {
 192                                                 $rv = wfMsgForContent( $wgLogActions[$key], $titleLink );
 193                                         }
 194                                 } else {
 195                                         $details = '';
 196                                         array_unshift( $params, $titleLink );
 197                                         if ( $key == 'block/block' || $key == 'suppress/block' ) {
 198                                                 if ( $skin ) {
 199                                                         $params[1] = '<span title="' . htmlspecialchars( $params[1] ). '">' .
 200                                                                 $wgLang->translateBlockExpiry( $params[1] ) . '</span>';
 201                                                 } else {
 202                                                         $params[1] = $wgContLang->translateBlockExpiry( $params[1] );
 203                                                 }
 204                                                 $params[2] = isset( $params[2] ) ?
 205                                                         self::formatBlockFlags( $params[2], is_null( $skin ) ) : '';
 206                                         } else if ( $type == 'protect' && count($params) == 3 ) {
 207                                                 $details .= "{$params[1]}"; // restrictions and expiries
 208                                                 if( $params[2] ) {
 209                                                         $details .= ' ['.wfMsg('protect-summary-cascade').']';
 210                                                 }
 211                                                 # If this is going to be displayed, make it somewhat consistent with page history
 212                                                 # and older log entries where everything is treated as a comment
 213                                                 if (!is_null($skin)) {
 214                                                         $details = $skin->commentBlock($details);
 215                                                 }
 216                                         }
 217                                         $rv = wfMsgReal( $wgLogActions[$key], $params, true, !$skin ) . $details;
 218                                 }
 219                         }
 220                 } else {
 221                         global $wgLogActionsHandlers;
 222                         if( isset( $wgLogActionsHandlers[$key] ) ) {
 223                                 $args = func_get_args();
 224                                 $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
 225                         } else {
 226                                 wfDebug( "LogPage::actionText - unknown action $key\n" );
 227                                 $rv = "$action";
 228                         }
 229                 }
 230                 if( $filterWikilinks ) {
 231                         $rv = str_replace( "[[", "", $rv );
 232                         $rv = str_replace( "]]", "", $rv );
 233                 }
 234                 return $rv;
 235         }
 236
 237         protected static function getTitleLink( $type, $skin, $title, &$params ) {
 238                 global $wgLang, $wgContLang;
 239                 if( !$skin ) {
 240                         return $title->getPrefixedText();
 241                 }
 242                 switch( $type ) {
 243                         case 'move':
 244                                 $titleLink = $skin->makeLinkObj( $title,
 245                                         htmlspecialchars( $title->getPrefixedText() ), 'redirect=no' );
 246                                 $targetTitle = Title::newFromText( $params[0] );
 247                                 if ( !$targetTitle ) {
 248                                         # Workaround for broken database
 249                                         $params[0] = htmlspecialchars( $params[0] );
 250                                 } else {
 251                                         $params[0] = $skin->makeLinkObj( $targetTitle, htmlspecialchars( $params[0] ) );
 252                                 }
 253                                 break;
 254                         case 'block':
 255                                 if( substr( $title->getText(), 0, 1 ) == '#' ) {
 256                                         $titleLink = $title->getText();
 257                                 } else {
 258                                         // TODO: Store the user identifier in the parameters
 259                                         // to make this faster for future log entries
 260                                         $id = User::idFromName( $title->getText() );
 261                                         $titleLink = $skin->userLink( $id, $title->getText() )
 262                                                 . $skin->userToolLinks( $id, $title->getText(), false, Linker::TOOL_LINKS_NOBLOCK );
 263                                 }
 264                                 break;
 265                         case 'rights':
 266                                 $text = $wgContLang->ucfirst( $title->getText() );
 267                                 $titleLink = $skin->makeLinkObj( Title::makeTitle( NS_USER, $text ) );
 268                                 break;
 269                         case 'merge':
 270                                 $titleLink = $skin->makeLinkObj( $title, $title->getPrefixedText(), 'redirect=no' );
 271                                 $params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), htmlspecialchars( $params[0] ) );
 272                                 $params[1] = $wgLang->timeanddate( $params[1] );
 273                                 break;
 274                         default:
 275                                 if( $title->getNamespace() == NS_SPECIAL ) {
 276                                         list( $name, $par ) = SpecialPage::resolveAliasWithSubpage( $title->getDBKey() );
 277                                         # Use the language name for log titles, rather than Log/X
 278                                         if( $name == 'Log' ) {
 279                                                 $titleLink = '('.$skin->makeLinkObj( $title, LogPage::logName( $par ) ).')';
 280                                         } else {
 281                                                 $titleLink = $skin->makeLinkObj( $title );
 282                                         }
 283                                 } else {
 284                                         $titleLink = $skin->makeLinkObj( $title );
 285                                 }
 286                 }
 287                 return $titleLink;
 288         }
 289
 290         /**
 291          * Add a log entry
 292          * @param string $action one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
 293          * @param object &$target A title object.
 294          * @param string $comment Description associated
 295          * @param array $params Parameters passed later to wfMsg.* functions
 296          * @param User $doer The user doing the action
 297          */
 298         function addEntry( $action, $target, $comment, $params = array(), $doer = null ) {
 299                 if ( !is_array( $params ) ) {
 300                         $params = array( $params );
 301                 }
 302
 303                 $this->action = $action;
 304                 $this->target = $target;
 305                 $this->comment = $comment;
 306                 $this->params = LogPage::makeParamBlob( $params );
 307
 308                 if ($doer === null) {
 309                         global $wgUser;
 310                         $doer = $wgUser;
 311                 } elseif (!is_object( $doer ) ) {
 312                         $doer = User::newFromId( $doer );
 313                 }
 314
 315                 $this->doer = $doer;
 316
 317                 $this->actionText = LogPage::actionText( $this->type, $action, $target, NULL, $params );
 318
 319                 return $this->saveContent();
 320         }
 321
 322         /**
 323          * Create a blob from a parameter array
 324          * @static
 325          */
 326         static function makeParamBlob( $params ) {
 327                 return implode( "\n", $params );
 328         }
 329
 330         /**
 331          * Extract a parameter array from a blob
 332          * @static
 333          */
 334         static function extractParams( $blob ) {
 335                 if ( $blob === '' ) {
 336                         return array();
 337                 } else {
 338                         return explode( "\n", $blob );
 339                 }
 340         }
 341
 342         /**
 343          * Convert a comma-delimited list of block log flags
 344          * into a more readable (and translated) form
 345          *
 346          * @param $flags Flags to format
 347          * @param $forContent Whether to localize the message depending of the user
 348          *                    language
 349          * @return string
 350          */
 351         public static function formatBlockFlags( $flags, $forContent = false ) {
 352                 $flags = explode( ',', trim( $flags ) );
 353                 if( count( $flags ) > 0 ) {
 354                         for( $i = 0; $i < count( $flags ); $i++ )
 355                                 $flags[$i] = self::formatBlockFlag( $flags[$i], $forContent );
 356                         return '(' . implode( ', ', $flags ) . ')';
 357                 } else {
 358                         return '';
 359                 }
 360         }
 361
 362         /**
 363          * Translate a block log flag if possible
 364          *
 365          * @param $flag Flag to translate
 366          * @param $forContent Whether to localize the message depending of the user
 367          *                    language
 368          * @return string
 369          */
 370         public static function formatBlockFlag( $flag, $forContent = false ) {
 371                 static $messages = array();
 372                 if( !isset( $messages[$flag] ) ) {
 373                         $k = 'block-log-flags-' . $flag;
 374                         if( $forContent )
 375                                 $msg = wfMsgForContent( $k );
 376                         else
 377                                 $msg = wfMsg( $k );
 378                         $messages[$flag] = htmlspecialchars( wfEmptyMsg( $k, $msg ) ? $flag : $msg );
 379                 }
 380                 return $messages[$flag];
 381         }
 382 }
 383
 384 /**
 385  * Aliases for backwards compatibility with 1.6
 386  */
 387 define( 'MW_LOG_DELETED_ACTION', LogPage::DELETED_ACTION );
 388 define( 'MW_LOG_DELETED_USER', LogPage::DELETED_USER );
 389 define( 'MW_LOG_DELETED_COMMENT', LogPage::DELETED_COMMENT );
 390 define( 'MW_LOG_DELETED_RESTRICTED', LogPage::DELETED_RESTRICTED );