includes/specials/SpecialDeletedContributions.php

   1 <?php
   2 /**
   3  * Implements Special:DeletedContributions to display archived revisions
   4  * @ingroup SpecialPage
   5  */
   6
   7 class DeletedContribsPager extends IndexPager {
   8         public $mDefaultDirection = true;
   9         var $messages, $target;
  10         var $namespace = '', $mDb;
  11
  12         function __construct( $target, $namespace = false ) {
  13                 parent::__construct();
  14                 foreach( explode( ' ', 'deletionlog undeletebtn minoreditletter diff' ) as $msg ) {
  15                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escape') );
  16                 }
  17                 $this->target = $target;
  18                 $this->namespace = $namespace;
  19                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
  20         }
  21
  22         function getDefaultQuery() {
  23                 $query = parent::getDefaultQuery();
  24                 $query['target'] = $this->target;
  25                 return $query;
  26         }
  27
  28         function getQueryInfo() {
  29                 global $wgUser;
  30                 list( $index, $userCond ) = $this->getUserCond();
  31                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
  32                 // Paranoia: avoid brute force searches (bug 17792)
  33                 if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
  34                         $conds[] = $this->mDb->bitAnd('ar_deleted', Revision::DELETED_USER) . ' = 0';
  35                 }
  36                 return array(
  37                         'tables' => array( 'archive' ),
  38                         'fields' => array(
  39                                 'ar_rev_id', 'ar_namespace', 'ar_title', 'ar_timestamp', 'ar_comment', 'ar_minor_edit',
  40                                 'ar_user', 'ar_user_text', 'ar_deleted'
  41                         ),
  42                         'conds' => $conds,
  43                         'options' => array( 'USE INDEX' => $index )
  44                 );
  45         }
  46
  47         function getUserCond() {
  48                 $condition = array();
  49
  50                 $condition['ar_user_text'] = $this->target;
  51                 $index = 'usertext_timestamp';
  52
  53                 return array( $index, $condition );
  54         }
  55
  56         function getIndexField() {
  57                 return 'ar_timestamp';
  58         }
  59
  60         function getStartBody() {
  61                 return "<ul>\n";
  62         }
  63
  64         function getEndBody() {
  65                 return "</ul>\n";
  66         }
  67
  68         function getNavigationBar() {
  69                 global $wgLang;
  70
  71                 if ( isset( $this->mNavigationBar ) ) {
  72                         return $this->mNavigationBar;
  73                 }
  74                 $linkTexts = array(
  75                         'prev' => wfMsgHtml( 'pager-newer-n', $this->mLimit ),
  76                         'next' => wfMsgHtml( 'pager-older-n', $this->mLimit ),
  77                         'first' => wfMsgHtml( 'histlast' ),
  78                         'last' => wfMsgHtml( 'histfirst' )
  79                 );
  80
  81                 $pagingLinks = $this->getPagingLinks( $linkTexts );
  82                 $limitLinks = $this->getLimitLinks();
  83                 $limits = $wgLang->pipeList( $limitLinks );
  84
  85                 $this->mNavigationBar = "(" . $wgLang->pipeList( array( $pagingLinks['first'], $pagingLinks['last'] ) ) . ") " .
  86                         wfMsgExt( 'viewprevnext', array( 'parsemag', 'escape', 'replaceafter' ), $pagingLinks['prev'], $pagingLinks['next'], $limits );
  87                 return $this->mNavigationBar;
  88         }
  89
  90         function getNamespaceCond() {
  91                 if ( $this->namespace !== '' ) {
  92                         return array( 'ar_namespace' => (int)$this->namespace );
  93                 } else {
  94                         return array();
  95                 }
  96         }
  97
  98         /**
  99          * Generates each row in the contributions list.
 100          *
 101          * Contributions which are marked "top" are currently on top of the history.
 102          * For these contributions, a [rollback] link is shown for users with sysop
 103          * privileges. The rollback link restores the most recent version that was not
 104          * written by the target user.
 105          *
 106          * @todo This would probably look a lot nicer in a table.
 107          */
 108         function formatRow( $row ) {
 109                 global $wgUser, $wgLang;
 110                 wfProfileIn( __METHOD__ );
 111
 112                 $sk = $this->getSkin();
 113
 114                 $rev = new Revision( array(
 115                                 'id'         => $row->ar_rev_id,
 116                                 'comment'    => $row->ar_comment,
 117                                 'user'       => $row->ar_user,
 118                                 'user_text'  => $row->ar_user_text,
 119                                 'timestamp'  => $row->ar_timestamp,
 120                                 'minor_edit' => $row->ar_minor_edit,
 121                                 'deleted' => $row->ar_deleted,
 122                                 ) );
 123
 124                 $page = Title::makeTitle( $row->ar_namespace, $row->ar_title );
 125
 126                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 127
 128                 $logs = SpecialPage::getTitleFor( 'Log' );
 129                 $dellog = $sk->linkKnown(
 130                         $logs,
 131                         $this->messages['deletionlog'],
 132                         array(),
 133                         array(
 134                                 'type' => 'delete',
 135                                 'page' => $page->getPrefixedText()
 136                         )
 137                 );
 138
 139                 $reviewlink = $sk->linkKnown(
 140                         SpecialPage::getTitleFor( 'Undelete', $page->getPrefixedDBkey() ),
 141                         $this->messages['undeletebtn']
 142                 );
 143
 144                 $link = $sk->linkKnown(
 145                         $undelete,
 146                         htmlspecialchars( $page->getPrefixedText() ),
 147                         array(),
 148                         array(
 149                                 'target' => $page->getPrefixedText(),
 150                                 'timestamp' => $rev->getTimestamp()
 151                         )
 152                 );
 153
 154                 $last = $sk->linkKnown(
 155                         $undelete,
 156                         $this->messages['diff'],
 157                         array(),
 158                         array(
 159                                 'target' => $page->getPrefixedText(),
 160                                 'timestamp' => $rev->getTimestamp(),
 161                                 'diff' => 'prev'
 162                         )
 163                 );
 164
 165                 $comment = $sk->revComment( $rev );
 166                 $d = htmlspecialchars( $wgLang->timeanddate( $rev->getTimestamp(), true ) );
 167
 168                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 169                         $d = '<span class="history-deleted">' . $d . '</span>';
 170                 } else {
 171                         $link = $sk->linkKnown(
 172                                 $undelete,
 173                                 $d,
 174                                 array(),
 175                                 array(
 176                                         'target' => $page->getPrefixedText(),
 177                                         'timestamp' => $rev->getTimestamp()
 178                                 )
 179                         );
 180                 }
 181
 182                 $pagelink = $sk->link( $page );
 183
 184                 if( $rev->isMinor() ) {
 185                         $mflag = '<span class="minor">' . $this->messages['minoreditletter'] . '</span> ';
 186                 } else {
 187                         $mflag = '';
 188                 }
 189
 190                 if( $wgUser->isAllowed( 'deleterevision' ) ) {
 191                         // If revision was hidden from sysops
 192                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 193                                 $del = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ),
 194                                         '(' . $this->message['rev-delundel'] . ')' ) . ' ';
 195                         // Otherwise, show the link...
 196                         } else {
 197                                 $query = array(
 198                                         'type' => 'archive',
 199                                         'target' => $page->getPrefixedDbkey(),
 200                                         'ids' => $rev->getTimestamp() );
 201                                 $del = $this->mSkin->revDeleteLink( $query,
 202                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ) ) . ' ';
 203                         }
 204                 } else {
 205                         $del = '';
 206                 }
 207
 208                 $ret = "{$del}{$link} ({$last}) ({$dellog}) ({$reviewlink}) . . {$mflag} {$pagelink} {$comment}";
 209
 210                 $ret = "<li>$ret</li>\n";
 211
 212                 wfProfileOut( __METHOD__ );
 213                 return $ret;
 214         }
 215
 216         /**
 217          * Get the Database object in use
 218          *
 219          * @return Database
 220          */
 221         public function getDatabase() {
 222                 return $this->mDb;
 223         }
 224 }
 225
 226 class DeletedContributionsPage extends SpecialPage {
 227         function __construct() {
 228                 parent::__construct( 'DeletedContributions', 'deletedhistory',
 229                 /*listed*/ true, /*function*/ false, /*file*/ false );
 230         }
 231
 232         /**
 233          * Special page "deleted user contributions".
 234          * Shows a list of the deleted contributions of a user.
 235          *
 236          * @return      none
 237          * @param       $par    String: (optional) user name of the user for which to show the contributions
 238          */
 239         function execute( $par ) {
 240                 global $wgUser;
 241                 $this->setHeaders();
 242
 243                 if ( !$this->userCanExecute( $wgUser ) ) {
 244                         $this->displayRestrictionError();
 245                         return;
 246                 }
 247
 248                 global $wgUser, $wgOut, $wgLang, $wgRequest;
 249
 250                 $wgOut->setPageTitle( wfMsgExt( 'deletedcontributions-title', array( 'parsemag' ) ) );
 251
 252                 $options = array();
 253
 254                 if ( isset( $par ) ) {
 255                         $target = $par;
 256                 } else {
 257                         $target = $wgRequest->getVal( 'target' );
 258                 }
 259
 260                 if ( !strlen( $target ) ) {
 261                         $wgOut->addHTML( $this->getForm( '' ) );
 262                         return;
 263                 }
 264
 265                 $options['limit'] = $wgRequest->getInt( 'limit', 50 );
 266                 $options['target'] = $target;
 267
 268                 $nt = Title::makeTitleSafe( NS_USER, $target );
 269                 if ( !$nt ) {
 270                         $wgOut->addHTML( $this->getForm( '' ) );
 271                         return;
 272                 }
 273                 $id = User::idFromName( $nt->getText() );
 274
 275                 $target = $nt->getText();
 276                 $wgOut->setSubtitle( $this->getSubTitle( $nt, $id ) );
 277
 278                 if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 279                         $options['namespace'] = intval( $ns );
 280                 } else {
 281                         $options['namespace'] = '';
 282                 }
 283
 284                 $wgOut->addHTML( $this->getForm( $options ) );
 285
 286                 $pager = new DeletedContribsPager( $target, $options['namespace'] );
 287                 if ( !$pager->getNumRows() ) {
 288                         $wgOut->addWikiMsg( 'nocontribs' );
 289                         return;
 290                 }
 291
 292                 # Show a message about slave lag, if applicable
 293                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 294                         $wgOut->showLagWarning( $lag );
 295
 296                 $wgOut->addHTML(
 297                         '<p>' . $pager->getNavigationBar() . '</p>' .
 298                         $pager->getBody() .
 299                         '<p>' . $pager->getNavigationBar() . '</p>' );
 300
 301                 # If there were contributions, and it was a valid user or IP, show
 302                 # the appropriate "footer" message - WHOIS tools, etc.
 303                 if( $target != 'newbies' ) {
 304                         $message = IP::isIPAddress( $target )
 305                                 ? 'sp-contributions-footer-anon'
 306                                 : 'sp-contributions-footer';
 307
 308
 309                         $text = wfMsgNoTrans( $message, $target );
 310                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 311                                 $wgOut->wrapWikiMsg( "<div class='mw-contributions-footer'>\n$1\n</div>", array( $message, $target ) );
 312                         }
 313                 }
 314         }
 315
 316         /**
 317          * Generates the subheading with links
 318          * @param $nt @see Title object for the target
 319          */
 320         function getSubTitle( $nt, $id ) {
 321                 global $wgSysopUserBans, $wgLang, $wgUser;
 322
 323                 $sk = $wgUser->getSkin();
 324
 325                 if ( 0 == $id ) {
 326                         $user = $nt->getText();
 327                 } else {
 328                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 329                 }
 330                 $talk = $nt->getTalkPage();
 331                 if( $talk ) {
 332                         # Talk page link
 333                         $tools[] = $sk->link( $talk, wfMsgHtml( 'talkpagelinktext' ) );
 334                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 335                                 # Block link
 336                                 if( $wgUser->isAllowed( 'block' ) )
 337                                         $tools[] = $sk->linkKnown(
 338                                                 SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 339                                                 wfMsgHtml( 'blocklink' )
 340                                         );
 341                                 # Block log link
 342                                 $tools[] = $sk->linkKnown(
 343                                         SpecialPage::getTitleFor( 'Log' ),
 344                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 345                                         array(),
 346                                         array(
 347                                                 'type' => 'block',
 348                                                 'page' => $nt->getPrefixedText()
 349                                         )
 350                                 );
 351                         }
 352                         # Other logs link
 353                         $tools[] = $sk->linkKnown(
 354                                 SpecialPage::getTitleFor( 'Log' ),
 355                                 wfMsgHtml( 'sp-contributions-logs' ),
 356                                 array(),
 357                                 array( 'user' => $nt->getText() )
 358                         );
 359                         # Link to undeleted contributions
 360                         $tools[] = $sk->linkKnown(
 361                                 SpecialPage::getTitleFor( 'Contributions', $nt->getDBkey() ),
 362                                 wfMsgHtml( 'sp-deletedcontributions-contribs' )
 363                         );
 364
 365                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 366
 367                         $links = $wgLang->pipeList( $tools );
 368                 }
 369
 370                 // Old message 'contribsub' had one parameter, but that doesn't work for
 371                 // languages that want to put the "for" bit right after $user but before
 372                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 373                 // otherwise use 'contribsub2'.
 374                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 375                         return wfMsgHtml( 'contribsub2', $user, $links );
 376                 } else {
 377                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 378                 }
 379         }
 380
 381         /**
 382          * Generates the namespace selector form with hidden attributes.
 383          * @param $options Array: the options to be included.
 384          */
 385         function getForm( $options ) {
 386                 global $wgScript, $wgRequest;
 387
 388                 $options['title'] = SpecialPage::getTitleFor( 'DeletedContributions' )->getPrefixedText();
 389                 if ( !isset( $options['target'] ) ) {
 390                         $options['target'] = '';
 391                 } else {
 392                         $options['target'] = str_replace( '_' , ' ' , $options['target'] );
 393                 }
 394
 395                 if ( !isset( $options['namespace'] ) ) {
 396                         $options['namespace'] = '';
 397                 }
 398
 399                 if ( !isset( $options['contribs'] ) ) {
 400                         $options['contribs'] = 'user';
 401                 }
 402
 403                 if ( $options['contribs'] == 'newbie' ) {
 404                         $options['target'] = '';
 405                 }
 406
 407                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 408
 409                 foreach ( $options as $name => $value ) {
 410                         if ( in_array( $name, array( 'namespace', 'target', 'contribs' ) ) ) {
 411                                 continue;
 412                         }
 413                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 414                 }
 415
 416                 $f .=  Xml::openElement( 'fieldset' ) .
 417                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 418                         Xml::tags( 'label', array( 'for' => 'target' ), wfMsgExt( 'sp-contributions-username', 'parseinline' ) ) . ' ' .
 419                         Xml::input( 'target', 20, $options['target']) . ' '.
 420                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 421                         Xml::namespaceSelector( $options['namespace'], '' ) . ' ' .
 422                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 423                         Xml::closeElement( 'fieldset' ) .
 424                         Xml::closeElement( 'form' );
 425                 return $f;
 426         }
 427 }