includes/specials/SpecialLog.php

   1 <?php
   2 /**
   3  * Implements Special:Log
   4  *
   5  * Copyright © 2008 Aaron Schulz
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  */
  25
  26 /**
  27  * A special page that lists log entries
  28  *
  29  * @ingroup SpecialPage
  30  */
  31 class SpecialLog extends SpecialPage {
  32         /**
  33          * List log type for which the target is a user
  34          * Thus if the given target is in NS_MAIN we can alter it to be an NS_USER
  35          * Title user instead.
  36          */
  37         private $typeOnUser = array(
  38                 'block',
  39                 'newusers',
  40                 'rights',
  41         );
  42
  43         public function __construct() {
  44                 parent::__construct( 'Log' );
  45         }
  46
  47         public function execute( $par ) {
  48                 global $wgLogRestrictions;
  49
  50                 $this->setHeaders();
  51                 $this->outputHeader();
  52
  53                 $opts = new FormOptions;
  54                 $opts->add( 'type', '' );
  55                 $opts->add( 'user', '' );
  56                 $opts->add( 'page', '' );
  57                 $opts->add( 'pattern', false );
  58                 $opts->add( 'year', null, FormOptions::INTNULL );
  59                 $opts->add( 'month', null, FormOptions::INTNULL );
  60                 $opts->add( 'tagfilter', '' );
  61                 $opts->add( 'offset', '' );
  62                 $opts->add( 'dir', '' );
  63                 $opts->add( 'offender', '' );
  64
  65                 // Set values
  66                 $opts->fetchValuesFromRequest( $this->getRequest() );
  67                 if ( $par !== null ) {
  68                         $this->parseParams( $opts, (string)$par );
  69                 }
  70
  71                 # Don't let the user get stuck with a certain date
  72                 if ( $opts->getValue( 'offset' ) || $opts->getValue( 'dir' ) == 'prev' ) {
  73                         $opts->setValue( 'year', '' );
  74                         $opts->setValue( 'month', '' );
  75                 }
  76
  77                 // If the user doesn't have the right permission to view the specific
  78                 // log type, throw a PermissionsError
  79                 // If the log type is invalid, just show all public logs
  80                 $type = $opts->getValue( 'type' );
  81                 if ( !LogPage::isLogType( $type ) ) {
  82                         $opts->setValue( 'type', '' );
  83                 } elseif ( isset( $wgLogRestrictions[$type] ) && !$this->getUser()->isAllowed( $wgLogRestrictions[$type] ) ) {
  84                         throw new PermissionsError( $wgLogRestrictions[$type] );
  85                 }
  86
  87                 # Handle type-specific inputs
  88                 $qc = array();
  89                 if ( $opts->getValue( 'type' ) == 'suppress' ) {
  90                         $offender = User::newFromName( $opts->getValue( 'offender' ), false );
  91                         if ( $offender && $offender->getId() > 0 ) {
  92                                 $qc = array( 'ls_field' => 'target_author_id', 'ls_value' => $offender->getId() );
  93                         } elseif ( $offender && IP::isIPAddress( $offender->getName() ) ) {
  94                                 $qc = array( 'ls_field' => 'target_author_ip', 'ls_value' => $offender->getName() );
  95                         }
  96                 }
  97
  98                 # Some log types are only for a 'User:' title but we might have been given
  99                 # only the username instead of the full title 'User:username'. This part try
 100                 # to lookup for a user by that name and eventually fix user input. See bug 1697.
 101                 if ( in_array( $opts->getValue( 'type' ), $this->typeOnUser ) ) {
 102                         # ok we have a type of log which expect a user title.
 103                         $target = Title::newFromText( $opts->getValue( 'page' ) );
 104                         if ( $target && $target->getNamespace() === NS_MAIN ) {
 105                                 # User forgot to add 'User:', we are adding it for him
 106                                 $opts->setValue( 'page',
 107                                         Title::makeTitleSafe( NS_USER, $opts->getValue( 'page' ) )
 108                                 );
 109                         }
 110                 }
 111
 112                 $this->show( $opts, $qc );
 113         }
 114
 115         private function parseParams( FormOptions $opts, $par ) {
 116                 global $wgLogTypes;
 117
 118                 # Get parameters
 119                 $parms = explode( '/', ( $par = ( $par !== null ) ? $par : '' ) );
 120                 $symsForAll = array( '*', 'all' );
 121                 if ( $parms[0] != '' &&
 122                         ( in_array( $par, $wgLogTypes ) || in_array( $par, $symsForAll ) )
 123                 ) {
 124                         $opts->setValue( 'type', $par );
 125                 } elseif ( count( $parms ) == 2 ) {
 126                         $opts->setValue( 'type', $parms[0] );
 127                         $opts->setValue( 'user', $parms[1] );
 128                 } elseif ( $par != '' ) {
 129                         $opts->setValue( 'user', $par );
 130                 }
 131         }
 132
 133         private function show( FormOptions $opts, array $extraConds ) {
 134                 # Create a LogPager item to get the results and a LogEventsList item to format them...
 135                 $loglist = new LogEventsList(
 136                         $this->getContext(),
 137                         null,
 138                         LogEventsList::USE_REVDEL_CHECKBOXES
 139                 );
 140                 $pager = new LogPager(
 141                         $loglist,
 142                         $opts->getValue( 'type' ),
 143                         $opts->getValue( 'user' ),
 144                         $opts->getValue( 'page' ),
 145                         $opts->getValue( 'pattern' ),
 146                         $extraConds,
 147                         $opts->getValue( 'year' ),
 148                         $opts->getValue( 'month' ),
 149                         $opts->getValue( 'tagfilter' )
 150                 );
 151
 152                 $this->addHeader( $opts->getValue( 'type' ) );
 153
 154                 # Set relevant user
 155                 if ( $pager->getPerformer() ) {
 156                         $this->getSkin()->setRelevantUser( User::newFromName( $pager->getPerformer() ) );
 157                 }
 158
 159                 # Show form options
 160                 $loglist->showOptions(
 161                         $pager->getType(),
 162                         $opts->getValue( 'user' ),
 163                         $pager->getPage(),
 164                         $pager->getPattern(),
 165                         $pager->getYear(),
 166                         $pager->getMonth(),
 167                         $pager->getFilterParams(),
 168                         $opts->getValue( 'tagfilter' )
 169                 );
 170
 171                 # Insert list
 172                 $logBody = $pager->getBody();
 173                 if ( $logBody ) {
 174                         $this->getOutput()->addHTML(
 175                                 $pager->getNavigationBar() .
 176                                         $this->getRevisionButton(
 177                                                 $loglist->beginLogEventsList() .
 178                                                         $logBody .
 179                                                         $loglist->endLogEventsList()
 180                                         ) .
 181                                         $pager->getNavigationBar()
 182                         );
 183                 } else {
 184                         $this->getOutput()->addWikiMsg( 'logempty' );
 185                 }
 186         }
 187
 188         private function getRevisionButton( $formcontents ) {
 189                 # If the user doesn't have the ability to delete log entries,
 190                 # don't bother showing them the button.
 191                 if ( !$this->getUser()->isAllowedAll( 'deletedhistory', 'deletelogentry' ) ) {
 192                         return $formcontents;
 193                 }
 194
 195                 # Show button to hide log entries
 196                 global $wgScript;
 197                 $s = Html::openElement(
 198                         'form',
 199                         array( 'action' => $wgScript, 'id' => 'mw-log-deleterevision-submit' )
 200                 ) . "\n";
 201                 $s .= Html::hidden( 'title', SpecialPage::getTitleFor( 'Revisiondelete' ) ) . "\n";
 202                 $s .= Html::hidden( 'target', SpecialPage::getTitleFor( 'Log' ) ) . "\n";
 203                 $s .= Html::hidden( 'type', 'logging' ) . "\n";
 204                 $button = Html::element(
 205                         'button',
 206                         array(
 207                                 'type' => 'submit',
 208                                 'class' => "deleterevision-log-submit mw-log-deleterevision-button"
 209                         ),
 210                         $this->msg( 'showhideselectedlogentries' )->text()
 211                 ) . "\n";
 212                 $s .= $button . $formcontents . $button;
 213                 $s .= Html::closeElement( 'form' );
 214
 215                 return $s;
 216         }
 217
 218         /**
 219          * Set page title and show header for this log type
 220          * @param $type string
 221          * @since 1.19
 222          */
 223         protected function addHeader( $type ) {
 224                 $page = new LogPage( $type );
 225                 $this->getOutput()->setPageTitle( $page->getName()->text() );
 226                 $this->getOutput()->addHTML( $page->getDescription()->parseAsBlock() );
 227         }
 228
 229         protected function getGroupName() {
 230                 return 'changes';
 231         }
 232 }