includes/specials/SpecialLog.php

   1 <?php
   2 /**
   3  * Implements Special:Log
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 use Wikimedia\Timestamp\TimestampException;
  25
  26 /**
  27  * A special page that lists log entries
  28  *
  29  * @ingroup SpecialPage
  30  */
  31 class SpecialLog extends SpecialPage {
  32         public function __construct() {
  33                 parent::__construct( 'Log' );
  34         }
  35
  36         public function execute( $par ) {
  37                 global $wgActorTableSchemaMigrationStage;
  38
  39                 $this->setHeaders();
  40                 $this->outputHeader();
  41                 $this->getOutput()->addModules( 'mediawiki.userSuggest' );
  42                 $this->addHelpLink( 'Help:Log' );
  43
  44                 $opts = new FormOptions;
  45                 $opts->add( 'type', '' );
  46                 $opts->add( 'user', '' );
  47                 $opts->add( 'page', '' );
  48                 $opts->add( 'pattern', false );
  49                 $opts->add( 'year', null, FormOptions::INTNULL );
  50                 $opts->add( 'month', null, FormOptions::INTNULL );
  51                 $opts->add( 'day', null, FormOptions::INTNULL );
  52                 $opts->add( 'tagfilter', '' );
  53                 $opts->add( 'offset', '' );
  54                 $opts->add( 'dir', '' );
  55                 $opts->add( 'offender', '' );
  56                 $opts->add( 'subtype', '' );
  57                 $opts->add( 'logid', '' );
  58
  59                 // Set values
  60                 $opts->fetchValuesFromRequest( $this->getRequest() );
  61                 if ( $par !== null ) {
  62                         $this->parseParams( $opts, (string)$par );
  63                 }
  64
  65                 // Set date values
  66                 $dateString = $this->getRequest()->getVal( 'wpdate' );
  67                 if ( !empty( $dateString ) ) {
  68                         try {
  69                                 $dateStamp = MWTimestamp::getInstance( $dateString . ' 00:00:00' );
  70                         } catch ( TimestampException $e ) {
  71                                 // If users provide an invalid date, silently ignore it
  72                                 // instead of letting an exception bubble up (T201411)
  73                                 $dateStamp = false;
  74                         }
  75                         if ( $dateStamp ) {
  76                                 $opts->setValue( 'year', (int)$dateStamp->format( 'Y' ) );
  77                                 $opts->setValue( 'month', (int)$dateStamp->format( 'm' ) );
  78                                 $opts->setValue( 'day', (int)$dateStamp->format( 'd' ) );
  79                         }
  80                 }
  81
  82                 # Don't let the user get stuck with a certain date
  83                 if ( $opts->getValue( 'offset' ) || $opts->getValue( 'dir' ) == 'prev' ) {
  84                         $opts->setValue( 'year', '' );
  85                         $opts->setValue( 'month', '' );
  86                 }
  87
  88                 // If the user doesn't have the right permission to view the specific
  89                 // log type, throw a PermissionsError
  90                 // If the log type is invalid, just show all public logs
  91                 $logRestrictions = $this->getConfig()->get( 'LogRestrictions' );
  92                 $type = $opts->getValue( 'type' );
  93                 if ( !LogPage::isLogType( $type ) ) {
  94                         $opts->setValue( 'type', '' );
  95                 } elseif ( isset( $logRestrictions[$type] )
  96                         && !$this->getUser()->isAllowed( $logRestrictions[$type] )
  97                 ) {
  98                         throw new PermissionsError( $logRestrictions[$type] );
  99                 }
 100
 101                 # Handle type-specific inputs
 102                 $qc = [];
 103                 if ( $opts->getValue( 'type' ) == 'suppress' ) {
 104                         $offenderName = $opts->getValue( 'offender' );
 105                         $offender = empty( $offenderName ) ? null : User::newFromName( $offenderName, false );
 106                         if ( $offender ) {
 107                                 if ( $wgActorTableSchemaMigrationStage & SCHEMA_COMPAT_READ_NEW ) {
 108                                         $qc = [ 'ls_field' => 'target_author_actor', 'ls_value' => $offender->getActorId() ];
 109                                 } elseif ( $offender->getId() > 0 ) {
 110                                         $qc = [ 'ls_field' => 'target_author_id', 'ls_value' => $offender->getId() ];
 111                                 } else {
 112                                         $qc = [ 'ls_field' => 'target_author_ip', 'ls_value' => $offender->getName() ];
 113                                 }
 114                         }
 115                 } else {
 116                         // Allow extensions to add relations to their search types
 117                         Hooks::run(
 118                                 'SpecialLogAddLogSearchRelations',
 119                                 [ $opts->getValue( 'type' ), $this->getRequest(), &$qc ]
 120                         );
 121                 }
 122
 123                 # Some log types are only for a 'User:' title but we might have been given
 124                 # only the username instead of the full title 'User:username'. This part try
 125                 # to lookup for a user by that name and eventually fix user input. See T3697.
 126                 if ( in_array( $opts->getValue( 'type' ), self::getLogTypesOnUser() ) ) {
 127                         # ok we have a type of log which expect a user title.
 128                         $target = Title::newFromText( $opts->getValue( 'page' ) );
 129                         if ( $target && $target->getNamespace() === NS_MAIN ) {
 130                                 # User forgot to add 'User:', we are adding it for him
 131                                 $opts->setValue( 'page',
 132                                         Title::makeTitleSafe( NS_USER, $opts->getValue( 'page' ) )
 133                                 );
 134                         }
 135                 }
 136
 137                 $this->show( $opts, $qc );
 138         }
 139
 140         /**
 141          * List log type for which the target is a user
 142          * Thus if the given target is in NS_MAIN we can alter it to be an NS_USER
 143          * Title user instead.
 144          *
 145          * @since 1.25
 146          * @return array
 147          */
 148         public static function getLogTypesOnUser() {
 149                 static $types = null;
 150                 if ( $types !== null ) {
 151                         return $types;
 152                 }
 153                 $types = [
 154                         'block',
 155                         'newusers',
 156                         'rights',
 157                 ];
 158
 159                 Hooks::run( 'GetLogTypesOnUser', [ &$types ] );
 160                 return $types;
 161         }
 162
 163         /**
 164          * Return an array of subpages that this special page will accept.
 165          *
 166          * @return string[] subpages
 167          */
 168         public function getSubpagesForPrefixSearch() {
 169                 $subpages = LogPage::validTypes();
 170                 $subpages[] = 'all';
 171                 sort( $subpages );
 172                 return $subpages;
 173         }
 174
 175         /**
 176          * Set options based on the subpage title parts:
 177          * - One part that is a valid log type: Special:Log/logtype
 178          * - Two parts: Special:Log/logtype/username
 179          * - Otherwise, assume the whole subpage is a username.
 180          *
 181          * @param FormOptions $opts
 182          * @param string $par
 183          */
 184         private function parseParams( FormOptions $opts, $par ) {
 185                 # Get parameters
 186                 $par = $par !== null ? $par : '';
 187                 $parms = explode( '/', $par );
 188                 $symsForAll = [ '*', 'all' ];
 189                 if ( $parms[0] != '' &&
 190                         ( in_array( $par, LogPage::validTypes() ) || in_array( $par, $symsForAll ) )
 191                 ) {
 192                         $opts->setValue( 'type', $par );
 193                 } elseif ( count( $parms ) == 2 ) {
 194                         $opts->setValue( 'type', $parms[0] );
 195                         $opts->setValue( 'user', $parms[1] );
 196                 } elseif ( $par != '' ) {
 197                         $opts->setValue( 'user', $par );
 198                 }
 199         }
 200
 201         private function show( FormOptions $opts, array $extraConds ) {
 202                 # Create a LogPager item to get the results and a LogEventsList item to format them...
 203                 $loglist = new LogEventsList(
 204                         $this->getContext(),
 205                         $this->getLinkRenderer(),
 206                         LogEventsList::USE_CHECKBOXES
 207                 );
 208
 209                 $pager = new LogPager(
 210                         $loglist,
 211                         $opts->getValue( 'type' ),
 212                         $opts->getValue( 'user' ),
 213                         $opts->getValue( 'page' ),
 214                         $opts->getValue( 'pattern' ),
 215                         $extraConds,
 216                         $opts->getValue( 'year' ),
 217                         $opts->getValue( 'month' ),
 218                         $opts->getValue( 'day' ),
 219                         $opts->getValue( 'tagfilter' ),
 220                         $opts->getValue( 'subtype' ),
 221                         $opts->getValue( 'logid' )
 222                 );
 223
 224                 $this->addHeader( $opts->getValue( 'type' ) );
 225
 226                 # Set relevant user
 227                 if ( $pager->getPerformer() ) {
 228                         $performerUser = User::newFromName( $pager->getPerformer(), false );
 229                         $this->getSkin()->setRelevantUser( $performerUser );
 230                 }
 231
 232                 # Show form options
 233                 $loglist->showOptions(
 234                         $pager->getType(),
 235                         $pager->getPerformer(),
 236                         $pager->getPage(),
 237                         $pager->getPattern(),
 238                         $pager->getYear(),
 239                         $pager->getMonth(),
 240                         $pager->getDay(),
 241                         $pager->getFilterParams(),
 242                         $pager->getTagFilter(),
 243                         $pager->getAction()
 244                 );
 245
 246                 # Insert list
 247                 $logBody = $pager->getBody();
 248                 if ( $logBody ) {
 249                         $this->getOutput()->addHTML(
 250                                 $pager->getNavigationBar() .
 251                                         $this->getActionButtons(
 252                                                 $loglist->beginLogEventsList() .
 253                                                         $logBody .
 254                                                         $loglist->endLogEventsList()
 255                                         ) .
 256                                         $pager->getNavigationBar()
 257                         );
 258                 } else {
 259                         $this->getOutput()->addWikiMsg( 'logempty' );
 260                 }
 261         }
 262
 263         private function getActionButtons( $formcontents ) {
 264                 $user = $this->getUser();
 265                 $canRevDelete = $user->isAllowedAll( 'deletedhistory', 'deletelogentry' );
 266                 $showTagEditUI = ChangeTags::showTagEditingUI( $user );
 267                 # If the user doesn't have the ability to delete log entries nor edit tags,
 268                 # don't bother showing them the button(s).
 269                 if ( !$canRevDelete && !$showTagEditUI ) {
 270                         return $formcontents;
 271                 }
 272
 273                 # Show button to hide log entries and/or edit change tags
 274                 $s = Html::openElement(
 275                         'form',
 276                         [ 'action' => wfScript(), 'id' => 'mw-log-deleterevision-submit' ]
 277                 ) . "\n";
 278                 $s .= Html::hidden( 'action', 'historysubmit' ) . "\n";
 279                 $s .= Html::hidden( 'type', 'logging' ) . "\n";
 280
 281                 $buttons = '';
 282                 if ( $canRevDelete ) {
 283                         $buttons .= Html::element(
 284                                 'button',
 285                                 [
 286                                         'type' => 'submit',
 287                                         'name' => 'revisiondelete',
 288                                         'value' => '1',
 289                                         'class' => "deleterevision-log-submit mw-log-deleterevision-button"
 290                                 ],
 291                                 $this->msg( 'showhideselectedlogentries' )->text()
 292                         ) . "\n";
 293                 }
 294                 if ( $showTagEditUI ) {
 295                         $buttons .= Html::element(
 296                                 'button',
 297                                 [
 298                                         'type' => 'submit',
 299                                         'name' => 'editchangetags',
 300                                         'value' => '1',
 301                                         'class' => "editchangetags-log-submit mw-log-editchangetags-button"
 302                                 ],
 303                                 $this->msg( 'log-edit-tags' )->text()
 304                         ) . "\n";
 305                 }
 306
 307                 $buttons .= ( new ListToggle( $this->getOutput() ) )->getHTML();
 308
 309                 $s .= $buttons . $formcontents . $buttons;
 310                 $s .= Html::closeElement( 'form' );
 311
 312                 return $s;
 313         }
 314
 315         /**
 316          * Set page title and show header for this log type
 317          * @param string $type
 318          * @since 1.19
 319          */
 320         protected function addHeader( $type ) {
 321                 $page = new LogPage( $type );
 322                 $this->getOutput()->setPageTitle( $page->getName() );
 323                 $this->getOutput()->addHTML( $page->getDescription()
 324                         ->setContext( $this->getContext() )->parseAsBlock() );
 325         }
 326
 327         protected function getGroupName() {
 328                 return 'changes';
 329         }
 330 }