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                 $fmtLimit = $wgLang->formatNum( $this->mLimit );
  75                 $linkTexts = array(
  76                         'prev' => wfMsgExt( 'pager-newer-n', array( 'escape', 'parsemag' ), $fmtLimit ),
  77                         'next' => wfMsgExt( 'pager-older-n', array( 'escape', 'parsemag' ), $fmtLimit ),
  78                         'first' => wfMsgHtml( 'histlast' ),
  79                         'last' => wfMsgHtml( 'histfirst' )
  80                 );
  81
  82                 $pagingLinks = $this->getPagingLinks( $linkTexts );
  83                 $limitLinks = $this->getLimitLinks();
  84                 $limits = $wgLang->pipeList( $limitLinks );
  85
  86                 $this->mNavigationBar = "(" . $wgLang->pipeList( array( $pagingLinks['first'], $pagingLinks['last'] ) ) . ") " .
  87                         wfMsgExt( 'viewprevnext', array( 'parsemag', 'escape', 'replaceafter' ), $pagingLinks['prev'], $pagingLinks['next'], $limits );
  88                 return $this->mNavigationBar;
  89         }
  90
  91         function getNamespaceCond() {
  92                 if ( $this->namespace !== '' ) {
  93                         return array( 'ar_namespace' => (int)$this->namespace );
  94                 } else {
  95                         return array();
  96                 }
  97         }
  98
  99         /**
 100          * Generates each row in the contributions list.
 101          *
 102          * Contributions which are marked "top" are currently on top of the history.
 103          * For these contributions, a [rollback] link is shown for users with sysop
 104          * privileges. The rollback link restores the most recent version that was not
 105          * written by the target user.
 106          *
 107          * @todo This would probably look a lot nicer in a table.
 108          */
 109         function formatRow( $row ) {
 110                 global $wgUser, $wgLang;
 111                 wfProfileIn( __METHOD__ );
 112
 113                 $sk = $this->getSkin();
 114
 115                 $rev = new Revision( array(
 116                                 'id'         => $row->ar_rev_id,
 117                                 'comment'    => $row->ar_comment,
 118                                 'user'       => $row->ar_user,
 119                                 'user_text'  => $row->ar_user_text,
 120                                 'timestamp'  => $row->ar_timestamp,
 121                                 'minor_edit' => $row->ar_minor_edit,
 122                                 'deleted' => $row->ar_deleted,
 123                                 ) );
 124
 125                 $page = Title::makeTitle( $row->ar_namespace, $row->ar_title );
 126
 127                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 128
 129                 $logs = SpecialPage::getTitleFor( 'Log' );
 130                 $dellog = $sk->linkKnown(
 131                         $logs,
 132                         $this->messages['deletionlog'],
 133                         array(),
 134                         array(
 135                                 'type' => 'delete',
 136                                 'page' => $page->getPrefixedText()
 137                         )
 138                 );
 139
 140                 $reviewlink = $sk->linkKnown(
 141                         SpecialPage::getTitleFor( 'Undelete', $page->getPrefixedDBkey() ),
 142                         $this->messages['undeletebtn']
 143                 );
 144
 145                 $link = $sk->linkKnown(
 146                         $undelete,
 147                         htmlspecialchars( $page->getPrefixedText() ),
 148                         array(),
 149                         array(
 150                                 'target' => $page->getPrefixedText(),
 151                                 'timestamp' => $rev->getTimestamp()
 152                         )
 153                 );
 154
 155                 $last = $sk->linkKnown(
 156                         $undelete,
 157                         $this->messages['diff'],
 158                         array(),
 159                         array(
 160                                 'target' => $page->getPrefixedText(),
 161                                 'timestamp' => $rev->getTimestamp(),
 162                                 'diff' => 'prev'
 163                         )
 164                 );
 165
 166                 $comment = $sk->revComment( $rev );
 167                 $d = htmlspecialchars( $wgLang->timeanddate( $rev->getTimestamp(), true ) );
 168
 169                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 170                         $d = '<span class="history-deleted">' . $d . '</span>';
 171                 } else {
 172                         $link = $sk->linkKnown(
 173                                 $undelete,
 174                                 $d,
 175                                 array(),
 176                                 array(
 177                                         'target' => $page->getPrefixedText(),
 178                                         'timestamp' => $rev->getTimestamp()
 179                                 )
 180                         );
 181                 }
 182
 183                 $pagelink = $sk->link( $page );
 184
 185                 if( $rev->isMinor() ) {
 186                         $mflag = '<abbr class="minor">' . $this->messages['minoreditletter'] . '</abbr> ';
 187                 } else {
 188                         $mflag = '';
 189                 }
 190
 191                 if( $wgUser->isAllowed( 'deleterevision' ) ) {
 192                         // If revision was hidden from sysops
 193                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 194                                 $del = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ),
 195                                         '(' . $this->message['rev-delundel'] . ')' ) . ' ';
 196                         // Otherwise, show the link...
 197                         } else {
 198                                 $query = array(
 199                                         'type' => 'archive',
 200                                         'target' => $page->getPrefixedDbkey(),
 201                                         'ids' => $rev->getTimestamp() );
 202                                 $del = $this->mSkin->revDeleteLink( $query,
 203                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ) ) . ' ';
 204                         }
 205                 } else {
 206                         $del = '';
 207                 }
 208
 209                 $ret = "{$del}{$link} ({$last}) ({$dellog}) ({$reviewlink}) . . {$mflag} {$pagelink} {$comment}";
 210
 211                 $ret = "<li>$ret</li>\n";
 212
 213                 wfProfileOut( __METHOD__ );
 214                 return $ret;
 215         }
 216
 217         /**
 218          * Get the Database object in use
 219          *
 220          * @return Database
 221          */
 222         public function getDatabase() {
 223                 return $this->mDb;
 224         }
 225 }
 226
 227 class DeletedContributionsPage extends SpecialPage {
 228         function __construct() {
 229                 parent::__construct( 'DeletedContributions', 'deletedhistory',
 230                 /*listed*/ true, /*function*/ false, /*file*/ false );
 231         }
 232
 233         /**
 234          * Special page "deleted user contributions".
 235          * Shows a list of the deleted contributions of a user.
 236          *
 237          * @return      none
 238          * @param       $par    String: (optional) user name of the user for which to show the contributions
 239          */
 240         function execute( $par ) {
 241                 global $wgUser;
 242                 $this->setHeaders();
 243
 244                 if ( !$this->userCanExecute( $wgUser ) ) {
 245                         $this->displayRestrictionError();
 246                         return;
 247                 }
 248
 249                 global $wgUser, $wgOut, $wgLang, $wgRequest;
 250
 251                 $wgOut->setPageTitle( wfMsgExt( 'deletedcontributions-title', array( 'parsemag' ) ) );
 252
 253                 $options = array();
 254
 255                 if ( isset( $par ) ) {
 256                         $target = $par;
 257                 } else {
 258                         $target = $wgRequest->getVal( 'target' );
 259                 }
 260
 261                 if ( !strlen( $target ) ) {
 262                         $wgOut->addHTML( $this->getForm( '' ) );
 263                         return;
 264                 }
 265
 266                 $options['limit'] = $wgRequest->getInt( 'limit', 50 );
 267                 $options['target'] = $target;
 268
 269                 $nt = Title::makeTitleSafe( NS_USER, $target );
 270                 if ( !$nt ) {
 271                         $wgOut->addHTML( $this->getForm( '' ) );
 272                         return;
 273                 }
 274                 $id = User::idFromName( $nt->getText() );
 275
 276                 $target = $nt->getText();
 277                 $wgOut->setSubtitle( $this->getSubTitle( $nt, $id ) );
 278
 279                 if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 280                         $options['namespace'] = intval( $ns );
 281                 } else {
 282                         $options['namespace'] = '';
 283                 }
 284
 285                 $wgOut->addHTML( $this->getForm( $options ) );
 286
 287                 $pager = new DeletedContribsPager( $target, $options['namespace'] );
 288                 if ( !$pager->getNumRows() ) {
 289                         $wgOut->addWikiMsg( 'nocontribs' );
 290                         return;
 291                 }
 292
 293                 # Show a message about slave lag, if applicable
 294                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 295                         $wgOut->showLagWarning( $lag );
 296
 297                 $wgOut->addHTML(
 298                         '<p>' . $pager->getNavigationBar() . '</p>' .
 299                         $pager->getBody() .
 300                         '<p>' . $pager->getNavigationBar() . '</p>' );
 301
 302                 # If there were contributions, and it was a valid user or IP, show
 303                 # the appropriate "footer" message - WHOIS tools, etc.
 304                 if( $target != 'newbies' ) {
 305                         $message = IP::isIPAddress( $target )
 306                                 ? 'sp-contributions-footer-anon'
 307                                 : 'sp-contributions-footer';
 308
 309
 310                         $text = wfMsgNoTrans( $message, $target );
 311                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 312                                 $wgOut->wrapWikiMsg( "<div class='mw-contributions-footer'>\n$1\n</div>", array( $message, $target ) );
 313                         }
 314                 }
 315         }
 316
 317         /**
 318          * Generates the subheading with links
 319          * @param $nt @see Title object for the target
 320          */
 321         function getSubTitle( $nt, $id ) {
 322                 global $wgSysopUserBans, $wgLang, $wgUser;
 323
 324                 $sk = $wgUser->getSkin();
 325
 326                 if ( 0 == $id ) {
 327                         $user = htmlspecialchars( $nt->getText() );
 328                 } else {
 329                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 330                 }
 331                 $talk = $nt->getTalkPage();
 332                 if( $talk ) {
 333                         # Talk page link
 334                         $tools[] = $sk->link( $talk, wfMsgHtml( 'talkpagelinktext' ) );
 335                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 336                                 # Block link
 337                                 if( $wgUser->isAllowed( 'block' ) )
 338                                         $tools[] = $sk->linkKnown(
 339                                                 SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 340                                                 wfMsgHtml( 'blocklink' )
 341                                         );
 342                                 # Block log link
 343                                 $tools[] = $sk->linkKnown(
 344                                         SpecialPage::getTitleFor( 'Log' ),
 345                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 346                                         array(),
 347                                         array(
 348                                                 'type' => 'block',
 349                                                 'page' => $nt->getPrefixedText()
 350                                         )
 351                                 );
 352                         }
 353                         # Other logs link
 354                         $tools[] = $sk->linkKnown(
 355                                 SpecialPage::getTitleFor( 'Log' ),
 356                                 wfMsgHtml( 'sp-contributions-logs' ),
 357                                 array(),
 358                                 array( 'user' => $nt->getText() )
 359                         );
 360                         # Link to undeleted contributions
 361                         $tools[] = $sk->linkKnown(
 362                                 SpecialPage::getTitleFor( 'Contributions', $nt->getDBkey() ),
 363                                 wfMsgHtml( 'sp-deletedcontributions-contribs' )
 364                         );
 365
 366                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 367
 368                         $links = $wgLang->pipeList( $tools );
 369                 }
 370
 371                 // Old message 'contribsub' had one parameter, but that doesn't work for
 372                 // languages that want to put the "for" bit right after $user but before
 373                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 374                 // otherwise use 'contribsub2'.
 375                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 376                         return wfMsgHtml( 'contribsub2', $user, $links );
 377                 } else {
 378                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 379                 }
 380         }
 381
 382         /**
 383          * Generates the namespace selector form with hidden attributes.
 384          * @param $options Array: the options to be included.
 385          */
 386         function getForm( $options ) {
 387                 global $wgScript, $wgRequest;
 388
 389                 $options['title'] = SpecialPage::getTitleFor( 'DeletedContributions' )->getPrefixedText();
 390                 if ( !isset( $options['target'] ) ) {
 391                         $options['target'] = '';
 392                 } else {
 393                         $options['target'] = str_replace( '_' , ' ' , $options['target'] );
 394                 }
 395
 396                 if ( !isset( $options['namespace'] ) ) {
 397                         $options['namespace'] = '';
 398                 }
 399
 400                 if ( !isset( $options['contribs'] ) ) {
 401                         $options['contribs'] = 'user';
 402                 }
 403
 404                 if ( $options['contribs'] == 'newbie' ) {
 405                         $options['target'] = '';
 406                 }
 407
 408                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 409
 410                 foreach ( $options as $name => $value ) {
 411                         if ( in_array( $name, array( 'namespace', 'target', 'contribs' ) ) ) {
 412                                 continue;
 413                         }
 414                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 415                 }
 416
 417                 $f .=  Xml::openElement( 'fieldset' ) .
 418                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 419                         Xml::tags( 'label', array( 'for' => 'target' ), wfMsgExt( 'sp-contributions-username', 'parseinline' ) ) . ' ' .
 420                         Xml::input( 'target', 20, $options['target']) . ' '.
 421                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 422                         Xml::namespaceSelector( $options['namespace'], '' ) . ' ' .
 423                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 424                         Xml::closeElement( 'fieldset' ) .
 425                         Xml::closeElement( 'form' );
 426                 return $f;
 427         }
 428 }