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[] = '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->makeKnownLinkObj( $logs,
 130                         $this->messages['deletionlog'],
 131                         'type=delete&page=' . $page->getPrefixedUrl() );
 132
 133                 $reviewlink = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Undelete', $page->getPrefixedDBkey() ),
 134                         $this->messages['undeletebtn'] );
 135
 136                 $link = $sk->makeKnownLinkObj( $undelete,
 137                         htmlspecialchars( $page->getPrefixedText() ),
 138                         'target=' . $page->getPrefixedUrl() .
 139                         '&timestamp=' . $rev->getTimestamp() );
 140
 141                 $last = $sk->makeKnownLinkObj( $undelete,
 142                         $this->messages['diff'],
 143                         "target=" . $page->getPrefixedUrl() .
 144                         "&timestamp=" . $rev->getTimestamp() .
 145                         "&diff=prev" );
 146
 147                 $comment = $sk->revComment( $rev );
 148                 $d = htmlspecialchars( $wgLang->timeanddate( $rev->getTimestamp(), true ) );
 149
 150                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 151                         $d = '<span class="history-deleted">' . $d . '</span>';
 152                 } else {
 153                         $link = $sk->makeKnownLinkObj( $undelete, $d,
 154                                 'target=' . $page->getPrefixedUrl() .
 155                                 '&timestamp=' . $rev->getTimestamp() );
 156                 }
 157
 158                 $pagelink = $sk->link( $page );
 159
 160                 if( $rev->isMinor() ) {
 161                         $mflag = '<span class="minor">' . $this->messages['minoreditletter'] . '</span> ';
 162                 } else {
 163                         $mflag = '';
 164                 }
 165
 166                 if( $wgUser->isAllowed( 'deleterevision' ) ) {
 167                         // If revision was hidden from sysops
 168                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 169                                 $del = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ),
 170                                         '(' . $this->message['rev-delundel'] . ')' ) . ' ';
 171                         // Otherwise, show the link...
 172                         } else {
 173                                 $query = array(
 174                                         'type' => 'archive',
 175                                         'target' => $page->getPrefixedDbkey(),
 176                                         'ids' => $rev->getTimestamp() );
 177                                 $del = $this->mSkin->revDeleteLink( $query,
 178                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ) ) . ' ';
 179                         }
 180                 } else {
 181                         $del = '';
 182                 }
 183
 184                 $ret = "{$del}{$link} ({$last}) ({$dellog}) ({$reviewlink}) . . {$mflag} {$pagelink} {$comment}";
 185
 186                 $ret = "<li>$ret</li>\n";
 187
 188                 wfProfileOut( __METHOD__ );
 189                 return $ret;
 190         }
 191
 192         /**
 193          * Get the Database object in use
 194          *
 195          * @return Database
 196          */
 197         public function getDatabase() {
 198                 return $this->mDb;
 199         }
 200 }
 201
 202 class DeletedContributionsPage extends SpecialPage {
 203         function __construct() {
 204                 parent::__construct( 'DeletedContributions', 'deletedhistory',
 205                 /*listed*/ true, /*function*/ false, /*file*/ false );
 206         }
 207
 208         /**
 209          * Special page "deleted user contributions".
 210          * Shows a list of the deleted contributions of a user.
 211          *
 212          * @return      none
 213          * @param       $par    String: (optional) user name of the user for which to show the contributions
 214          */
 215         function execute( $par ) {
 216                 global $wgUser;
 217                 $this->setHeaders();
 218
 219                 if ( !$this->userCanExecute( $wgUser ) ) {
 220                         $this->displayRestrictionError();
 221                         return;
 222                 }
 223
 224                 global $wgUser, $wgOut, $wgLang, $wgRequest;
 225
 226                 $wgOut->setPageTitle( wfMsgExt( 'deletedcontributions-title', array( 'parsemag' ) ) );
 227
 228                 $options = array();
 229
 230                 if ( isset( $par ) ) {
 231                         $target = $par;
 232                 } else {
 233                         $target = $wgRequest->getVal( 'target' );
 234                 }
 235
 236                 if ( !strlen( $target ) ) {
 237                         $wgOut->addHTML( $this->getForm( '' ) );
 238                         return;
 239                 }
 240
 241                 $options['limit'] = $wgRequest->getInt( 'limit', 50 );
 242                 $options['target'] = $target;
 243
 244                 $nt = Title::makeTitleSafe( NS_USER, $target );
 245                 if ( !$nt ) {
 246                         $wgOut->addHTML( $this->getForm( '' ) );
 247                         return;
 248                 }
 249                 $id = User::idFromName( $nt->getText() );
 250
 251                 $target = $nt->getText();
 252                 $wgOut->setSubtitle( $this->getSubTitle( $nt, $id ) );
 253
 254                 if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 255                         $options['namespace'] = intval( $ns );
 256                 } else {
 257                         $options['namespace'] = '';
 258                 }
 259
 260                 $wgOut->addHTML( $this->getForm( $options ) );
 261
 262                 $pager = new DeletedContribsPager( $target, $options['namespace'] );
 263                 if ( !$pager->getNumRows() ) {
 264                         $wgOut->addWikiText( wfMsg( 'nocontribs' ) );
 265                         return;
 266                 }
 267
 268                 # Show a message about slave lag, if applicable
 269                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 270                         $wgOut->showLagWarning( $lag );
 271
 272                 $wgOut->addHTML(
 273                         '<p>' . $pager->getNavigationBar() . '</p>' .
 274                         $pager->getBody() .
 275                         '<p>' . $pager->getNavigationBar() . '</p>' );
 276
 277                 # If there were contributions, and it was a valid user or IP, show
 278                 # the appropriate "footer" message - WHOIS tools, etc.
 279                 if( $target != 'newbies' ) {
 280                         $message = IP::isIPAddress( $target )
 281                                 ? 'sp-contributions-footer-anon'
 282                                 : 'sp-contributions-footer';
 283
 284
 285                         $text = wfMsgNoTrans( $message, $target );
 286                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 287                                 $wgOut->addHTML( '<div class="mw-contributions-footer">' );
 288                                 $wgOut->addWikiText( $text );
 289                                 $wgOut->addHTML( '</div>' );
 290                         }
 291                 }
 292         }
 293
 294         /**
 295          * Generates the subheading with links
 296          * @param $nt @see Title object for the target
 297          */
 298         function getSubTitle( $nt, $id ) {
 299                 global $wgSysopUserBans, $wgLang, $wgUser;
 300
 301                 $sk = $wgUser->getSkin();
 302
 303                 if ( 0 == $id ) {
 304                         $user = $nt->getText();
 305                 } else {
 306                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 307                 }
 308                 $talk = $nt->getTalkPage();
 309                 if( $talk ) {
 310                         # Talk page link
 311                         $tools[] = $sk->link( $talk, wfMsgHtml( 'talkpagelinktext' ) );
 312                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 313                                 # Block link
 314                                 if( $wgUser->isAllowed( 'block' ) )
 315                                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 316                                                 wfMsgHtml( 'blocklink' ) );
 317                                 # Block log link
 318                                 $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ),
 319                                         wfMsgHtml( 'sp-contributions-blocklog' ), 'type=block&page=' . $nt->getPrefixedUrl() );
 320                         }
 321                         # Other logs link
 322                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ),
 323                                 wfMsgHtml( 'sp-contributions-logs' ), 'user=' . $nt->getPartialUrl() );
 324                         # Link to undeleted contributions
 325                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Contributions', $nt->getDBkey() ),
 326                                 wfMsgHtml( 'contributions' ) );
 327
 328                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 329
 330                         $links = $wgLang->pipeList( $tools );
 331                 }
 332
 333                 // Old message 'contribsub' had one parameter, but that doesn't work for
 334                 // languages that want to put the "for" bit right after $user but before
 335                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 336                 // otherwise use 'contribsub2'.
 337                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 338                         return wfMsgHtml( 'contribsub2', $user, $links );
 339                 } else {
 340                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 341                 }
 342         }
 343
 344         /**
 345          * Generates the namespace selector form with hidden attributes.
 346          * @param $options Array: the options to be included.
 347          */
 348         function getForm( $options ) {
 349                 global $wgScript, $wgRequest;
 350
 351                 $options['title'] = SpecialPage::getTitleFor( 'DeletedContributions' )->getPrefixedText();
 352                 if ( !isset( $options['target'] ) ) {
 353                         $options['target'] = '';
 354                 } else {
 355                         $options['target'] = str_replace( '_' , ' ' , $options['target'] );
 356                 }
 357
 358                 if ( !isset( $options['namespace'] ) ) {
 359                         $options['namespace'] = '';
 360                 }
 361
 362                 if ( !isset( $options['contribs'] ) ) {
 363                         $options['contribs'] = 'user';
 364                 }
 365
 366                 if ( $options['contribs'] == 'newbie' ) {
 367                         $options['target'] = '';
 368                 }
 369
 370                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 371
 372                 foreach ( $options as $name => $value ) {
 373                         if ( in_array( $name, array( 'namespace', 'target', 'contribs' ) ) ) {
 374                                 continue;
 375                         }
 376                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 377                 }
 378
 379                 $f .=  Xml::openElement( 'fieldset' ) .
 380                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 381                         Xml::tags( 'label', array( 'for' => 'target' ), wfMsgExt( 'sp-contributions-username', 'parseinline' ) ) . ' ' .
 382                         Xml::input( 'target', 20, $options['target']) . ' '.
 383                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 384                         Xml::namespaceSelector( $options['namespace'], '' ) . ' ' .
 385                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 386                         Xml::closeElement( 'fieldset' ) .
 387                         Xml::closeElement( 'form' );
 388                 return $f;
 389         }
 390 }