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