includes/SpecialContributions.php

   1 <?php
   2 /**
   3  * @addtogroup SpecialPage
   4  */
   5
   6 class ContribsFinder {
   7         var $username, $offset, $limit, $namespace;
   8         var $dbr;
   9
  10         /**
  11          * Constructor
  12          * @param $username Username as a string
  13         */
  14         function ContribsFinder( $username ) {
  15                 $this->username = $username;
  16                 $this->namespace = false;
  17                 $this->dbr = wfGetDB( DB_SLAVE, 'contributions' );
  18         }
  19
  20         function setNamespace( $ns ) {
  21                 $this->namespace = $ns;
  22         }
  23
  24         function setLimit( $limit ) {
  25                 $this->limit = $limit;
  26         }
  27
  28         function setOffset( $offset ) {
  29                 $this->offset = $offset;
  30         }
  31
  32         /**
  33          * Get timestamp of either first or last contribution made by the user.
  34          * @todo Maybe it should be private ?
  35          * @param $dir string 'ASC' or 'DESC'.
  36          * @return Revision timestamp (rev_timestamp).
  37         */
  38         function getEditLimit( $dir ) {
  39                 list( $index, $usercond ) = $this->getUserCond();
  40                 $nscond = $this->getNamespaceCond();
  41                 $use_index = $this->dbr->useIndexClause( $index );
  42                 list( $revision, $page) = $this->dbr->tableNamesN( 'revision', 'page' );
  43                 $sql =  "SELECT rev_timestamp " .
  44                         " FROM $page,$revision $use_index " .
  45                         " WHERE rev_page=page_id AND $usercond $nscond" .
  46                         " ORDER BY rev_timestamp $dir LIMIT 1";
  47
  48                 $res = $this->dbr->query( $sql, __METHOD__ );
  49                 $row = $this->dbr->fetchObject( $res );
  50                 if ( $row ) {
  51                         return wfTimestamp( TS_MW, $row->rev_timestamp );
  52                 } else {
  53                         return false;
  54                 }
  55         }
  56
  57         /**
  58          * Get timestamps of first and last contributions made by the user.
  59          * @return Array containing first rev_timestamp and last rev_timestamp.
  60         */
  61         function getEditLimits() {
  62                 return array(
  63                         $this->getEditLimit( "ASC" ),
  64                         $this->getEditLimit( "DESC" )
  65                 );
  66         }
  67
  68         function getUserCond() {
  69                 $condition = '';
  70
  71                 if ( $this->username == 'newbies' ) {
  72                         $max = $this->dbr->selectField( 'user', 'max(user_id)', false, 'make_sql' );
  73                         $condition = 'rev_user >' . (int)($max - $max / 100);
  74                 } else if ( IP::isIPv4( $this->username ) && preg_match("/\/(24|16)$/", $this->username, $matches) ) {
  75                         $abcd = explode( ".", $this->username );
  76                         if( $matches[1] == 24 ) $ipmask = $abcd[0] . '.' . $abcd[1] . '.' . $abcd[2] . '.%';
  77                         else $ipmask=$abcd[0] . '.' . $abcd[1] . '.%';
  78                         $condition = 'rev_user_text LIKE ' . $this->dbr->addQuotes($ipmask);
  79                 }  else if ( IP::isIPv6( $this->username ) && preg_match("/^(?:64|80|96|112)$/", $this->username) ) {
  80                         $abcdefgh = explode( ":", IP::sanitizeIP($this->username) );
  81                         $abcd = implode( ":", array_slice($abcdefgh, 0, 4) );
  82                         switch( $matches[1] ) {
  83                                 case '112':
  84                                         $ipmask = $abcd . ':' . $abcd[4] . ':' . $abcd[5] . ':' . $abcd[6] . ':%';
  85                                         break;
  86                                 case '96':
  87                                         $ipmask = $abcd . ':' . $abcd[4] . ':' . $abcd[5] . ':%';
  88                                         break;
  89                                 case '80':
  90                                         $ipmask = $abcd . ':' . $abcd[4] . ':%';
  91                                         break;
  92                                 case '64':
  93                                         $ipmask = $abcd . ':%';
  94                                         break;
  95                         }
  96                         $condition = 'rev_user_text LIKE ' . $this->dbr->addQuotes($ipmask);
  97                 }
  98
  99                 else if ( IP::isIPv6( $this->username ) ) {
 100                         # All stored IPs should be sanitized from now on, check for exact matches for reverse compatibility
 101                         $condition = '(rev_user_text=' . $this->dbr->addQuotes(IP::sanitizeIP($this->username)) . ' OR rev_user_text=' . $this->dbr->addQuotes($this->username) . ')';
 102                 }
 103
 104                 if ( $condition == '' ) {
 105                         $condition = ' rev_user_text=' . $this->dbr->addQuotes( $this->username );
 106                         $index = 'usertext_timestamp';
 107                 } else {
 108                         #$condition = ' rev_user '.$condition ;
 109                         $index = 'user_timestamp';
 110                 }
 111                 return array( $index, $condition );
 112         }
 113
 114         function getNamespaceCond() {
 115                 if ( $this->namespace !== false )
 116                         return ' AND page_namespace = ' . (int)$this->namespace;
 117                 return '';
 118         }
 119
 120         /**
 121          * @return Timestamp of first entry in previous page.
 122         */
 123         function getPreviousOffsetForPaging() {
 124                 list( $index, $usercond ) = $this->getUserCond();
 125                 $nscond = $this->getNamespaceCond();
 126
 127                 $use_index = $this->dbr->useIndexClause( $index );
 128                 list( $page, $revision ) = $this->dbr->tableNamesN( 'page', 'revision' );
 129
 130                 $sql =  "SELECT rev_timestamp FROM $page, $revision $use_index " .
 131                         "WHERE page_id = rev_page AND rev_timestamp > '" . $this->dbr->timestamp($this->offset) . "' AND " .
 132                         $usercond . $nscond;
 133                 $sql .= " ORDER BY rev_timestamp ASC";
 134                 $sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
 135                 $res = $this->dbr->query( $sql );
 136
 137                 $numRows = $this->dbr->numRows( $res );
 138                 if ( $numRows ) {
 139                         $this->dbr->dataSeek( $res, $numRows - 1 );
 140                         $row = $this->dbr->fetchObject( $res );
 141                         $offset = wfTimestamp( TS_MW, $row->rev_timestamp );
 142                 } else {
 143                         $offset = false;
 144                 }
 145                 $this->dbr->freeResult( $res );
 146                 return $offset;
 147         }
 148
 149         /**
 150          * @return Timestamp of first entry in next page.
 151         */
 152         function getFirstOffsetForPaging() {
 153                 list( $index, $usercond ) = $this->getUserCond();
 154                 $use_index = $this->dbr->useIndexClause( $index );
 155                 list( $page, $revision ) = $this->dbr->tableNamesN( 'page', 'revision' );
 156                 $nscond = $this->getNamespaceCond();
 157                 $sql =  "SELECT rev_timestamp FROM $page, $revision $use_index " .
 158                         "WHERE page_id = rev_page AND " .
 159                         $usercond . $nscond;
 160                 $sql .= " ORDER BY rev_timestamp ASC";
 161                 $sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
 162                 $res = $this->dbr->query( $sql );
 163
 164                 $numRows = $this->dbr->numRows( $res );
 165                 if ( $numRows ) {
 166                         $this->dbr->dataSeek( $res, $numRows - 1 );
 167                         $row = $this->dbr->fetchObject( $res );
 168                         $offset = wfTimestamp( TS_MW, $row->rev_timestamp );
 169                 } else {
 170                         $offset = false;
 171                 }
 172                 $this->dbr->freeResult( $res );
 173                 return $offset;
 174         }
 175
 176         /* private */ function makeSql() {
 177                 $offsetQuery = '';
 178
 179                 list( $page, $revision ) = $this->dbr->tableNamesN( 'page', 'revision' );
 180                 list( $index, $userCond ) = $this->getUserCond();
 181
 182                 if ( $this->offset ) {
 183                         $offsetQuery = "AND rev_timestamp < '" . $this->dbr->timestamp($this->offset) . "'";
 184                 }
 185
 186                 $nscond = $this->getNamespaceCond();
 187                 $use_index = $this->dbr->useIndexClause( $index );
 188                 $sql = 'SELECT ' .
 189                         'page_namespace,page_title,page_is_new,page_latest,'.
 190                         join(',', Revision::selectFields()).
 191                         " FROM $page,$revision $use_index " .
 192                         "WHERE page_id=rev_page AND $userCond $nscond $offsetQuery " .
 193                         'ORDER BY rev_timestamp DESC';
 194                 $sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
 195                 return $sql;
 196         }
 197
 198         /**
 199          * This do the search for the user given when creating the object.
 200          * It should probably be the only public function in this class.
 201          * @return Array of contributions.
 202         */
 203         function find() {
 204                 $contribs = array();
 205                 $res = $this->dbr->query( $this->makeSql(), __METHOD__ );
 206                 while ( $c = $this->dbr->fetchObject( $res ) )
 207                         $contribs[] = $c;
 208                 $this->dbr->freeResult( $res );
 209                 return $contribs;
 210         }
 211 };
 212
 213 /**
 214  * Special page "user contributions".
 215  * Shows a list of the contributions of a user.
 216  *
 217  * @return      none
 218  * @param       $par    String: (optional) user name of the user for which to show the contributions
 219  */
 220 function wfSpecialContributions( $par = null ) {
 221         global $wgUser, $wgOut, $wgLang, $wgRequest;
 222
 223         $target = isset( $par ) ? $par : $wgRequest->getVal( 'target' );
 224         $radiobox = $wgRequest->getVal( 'newbie' );
 225
 226         // check for radiobox
 227         if ( $radiobox == 'contribs-newbie' ) $target = 'newbies';
 228
 229         if ( !strlen( $target ) ) {
 230                 $wgOut->addHTML( contributionsForm( '' ) );
 231                 return;
 232         }
 233
 234         $nt = Title::newFromURL( $target );
 235         if ( !$nt ) {
 236                 $wgOut->addHTML( contributionsForm( '' ) );
 237                 return;
 238         }
 239
 240         $options = array();
 241
 242         list( $options['limit'], $options['offset']) = wfCheckLimits();
 243         $options['offset'] = $wgRequest->getVal( 'offset' );
 244
 245         /* Offset must be numeric or an empty string */
 246     if ( !strlen( $options['offset'] ) || !preg_match( '/^[0-9]+$/', $options['offset'] ) )
 247        $options['offset'] = '';
 248
 249         $title = SpecialPage::getTitleFor( 'Contributions' );
 250         $options['target'] = $target;
 251
 252         $nt = Title::makeTitle( NS_USER, $nt->getDBkey() );
 253         $finder = new ContribsFinder( ( $target == 'newbies' ) ? 'newbies' : $nt->getText() );
 254         $finder->setLimit( $options['limit'] );
 255         $finder->setOffset( $options['offset'] );
 256
 257         if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 258                 $options['namespace'] = intval( $ns );
 259                 $finder->setNamespace( $options['namespace'] );
 260         } else {
 261                 $options['namespace'] = '';
 262         }
 263
 264         if ( $wgUser->isAllowed( 'rollback' ) && $wgRequest->getBool( 'bot' ) ) {
 265                 $options['bot'] = '1';
 266         }
 267
 268         if ( $wgRequest->getText( 'go' ) == 'prev' ) {
 269                 $offset = $finder->getPreviousOffsetForPaging();
 270                 if ( $offset !== false ) {
 271                         $options['offset'] = $offset;
 272                         $prevurl = $title->getLocalURL( wfArrayToCGI( $options ) );
 273                         $wgOut->redirect( $prevurl );
 274                         return;
 275                 }
 276         }
 277
 278         if ( $wgRequest->getText( 'go' ) == 'first' && $target != 'newbies') {
 279                 $offset = $finder->getFirstOffsetForPaging();
 280                 if ( $offset !== false ) {
 281                         $options['offset'] = $offset;
 282                         $prevurl = $title->getLocalURL( wfArrayToCGI( $options ) );
 283                         $wgOut->redirect( $prevurl );
 284                         return;
 285                 }
 286         }
 287
 288         if ( $target == 'newbies' ) {
 289                 $wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
 290         } else if ( preg_match( "/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/(?:24|16)/", $target ) ) {
 291             $wgOut->setSubtitle( wfMsgHtml( 'contribsub', $target ) );
 292         } else {
 293                 $wgOut->setSubtitle( wfMsgHtml( 'contribsub', contributionsSub( $nt ) ) );
 294         }
 295
 296         $id = User::idFromName( $nt->getText() );
 297         wfRunHooks( 'SpecialContributionsBeforeMainOutput', $id );
 298
 299         $wgOut->addHTML( contributionsForm( $options) );
 300
 301         $contribs = $finder->find();
 302
 303         if ( count( $contribs ) == 0) {
 304                 $wgOut->addWikiText( wfMsg( 'nocontribs' ) );
 305                 return;
 306         }
 307
 308         list( $early, $late ) = $finder->getEditLimits();
 309         $lastts = count( $contribs ) ? wfTimestamp( TS_MW, $contribs[count( $contribs ) - 1]->rev_timestamp) : 0;
 310         $atstart = ( !count( $contribs ) || $late == (wfTimestamp( TS_MW, $contribs[0]->rev_timestamp ) ));
 311         $atend = ( !count( $contribs ) || $early == $lastts );
 312
 313         // These four are defaults
 314         $newestlink = wfMsgHtml( 'sp-contributions-newest' );
 315         $oldestlink = wfMsgHtml( 'sp-contributions-oldest' );
 316         $newerlink  = wfMsgHtml( 'sp-contributions-newer', $options['limit'] );
 317         $olderlink  = wfMsgHtml( 'sp-contributions-older', $options['limit'] );
 318
 319         if ( !$atstart ) {
 320                 $stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'offset' => '' ), $options ) );
 321                 $newestlink = "<a href=\"$stuff\">$newestlink</a>";
 322                 $stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'go' => 'prev' ), $options ) );
 323                 $newerlink = "<a href=\"$stuff\">$newerlink</a>";
 324         }
 325
 326         if ( !$atend ) {
 327                 $stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'go' => 'first' ), $options ) );
 328                 $oldestlink = "<a href=\"$stuff\">$oldestlink</a>";
 329                 $stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'offset' => $lastts ), $options ) );
 330                 $olderlink = "<a href=\"$stuff\">$olderlink</a>";
 331         }
 332
 333         if ( $target == 'newbies' ) {
 334                 $firstlast ="($newestlink)";
 335         } else {
 336                 $firstlast = "($newestlink | $oldestlink)";
 337         }
 338
 339         $urls = array();
 340         foreach ( array( 20, 50, 100, 250, 500 ) as $num ) {
 341                 $stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'limit' => $num ), $options ) );
 342                 $urls[] = "<a href=\"$stuff\">".$wgLang->formatNum( $num )."</a>";
 343         }
 344         $bits = implode( $urls, ' | ' );
 345
 346         $prevnextbits = $firstlast .' '. wfMsgHtml( 'viewprevnext', $newerlink, $olderlink, $bits );
 347
 348         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n" );
 349
 350         $wgOut->addHTML( "<ul>\n" );
 351
 352         $sk = $wgUser->getSkin();
 353         foreach ( $contribs as $contrib )
 354                 $wgOut->addHTML( ucListEdit( $sk, $contrib ) );
 355
 356         $wgOut->addHTML( "</ul>\n" );
 357         $wgOut->addHTML( "<p>{$prevnextbits}</p>\n" );
 358
 359         # If there were contributions, and it was a valid user or IP, show
 360         # the appropriate "footer" message - WHOIS tools, etc.
 361         if( count( $contribs ) > 0 && $target != 'newbies' && $nt instanceof Title ) {
 362                 $message = IP::isIPAddress( $target )
 363                         ? 'sp-contributions-footer-anon'
 364                         : 'sp-contributions-footer';
 365                 $text = wfMsg( $message, $target );
 366                 if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 367                         $wgOut->addHtml( '<div class="mw-contributions-footer">' );
 368                         $wgOut->addWikiText( wfMsg( $message, $target ) );
 369                         $wgOut->addHtml( '</div>' );
 370                 }
 371         }
 372
 373 }
 374
 375 /**
 376  * Generates the subheading with links
 377  * @param $nt see the Title object for the target
 378  */
 379 function contributionsSub( $nt ) {
 380         global $wgSysopUserBans, $wgUser;
 381
 382         $sk = $wgUser->getSkin();
 383         $id = User::idFromName( $nt->getText() );
 384
 385         if ( 0 == $id ) {
 386                 $ul = $nt->getText();
 387         } else {
 388                 $ul = $sk->makeLinkObj( $nt, htmlspecialchars( $nt->getText() ) );
 389         }
 390         $talk = $nt->getTalkPage();
 391         if( $talk ) {
 392                 # Talk page link
 393                 $tools[] = $sk->makeLinkObj( $talk, wfMsgHtml( 'talkpagelinktext' ) );
 394                 if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
 395                         # Block link
 396                         if( $wgUser->isAllowed( 'block' ) )
 397                                 $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ), wfMsgHtml( 'blocklink' ) );
 398                         # Block log link
 399                         $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ), wfMsgHtml( 'sp-contributions-blocklog' ), 'type=block&page=' . $nt->getPrefixedUrl() );
 400                 }
 401                 # Other logs link
 402                 $tools[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'Log' ), wfMsgHtml( 'log' ), 'user=' . $nt->getPartialUrl() );
 403                 $ul .= ' (' . implode( ' | ', $tools ) . ')';
 404         }
 405         return $ul;
 406 }
 407
 408 /**
 409  * Generates the namespace selector form with hidden attributes.
 410  * @param $options Array: the options to be included.
 411  */
 412 function contributionsForm( $options ) {
 413         global $wgScript, $wgTitle, $wgRequest;
 414
 415         $options['title'] = $wgTitle->getPrefixedText();
 416         if (!isset($options['target']))
 417                 $options['target'] = '';
 418         if (!isset($options['namespace']))
 419                 $options['namespace'] = 0;
 420
 421         $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 422
 423         foreach ( $options as $name => $value ) {
 424                 if( $name === 'namespace') continue;
 425                 $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 426         }
 427
 428         $f .= '<fieldset>' .
 429                 Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 430                 Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parseinline' ) ), 'newbie' , 'contribs-newbie' , 'contribs-newbie', 'contribs-newbie' ) . '<br />' .
 431                 Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parseinline' ) ), 'newbie' , 'contribs-all', 'contribs-all', 'contribs-all' ) . ' ' .
 432                 Xml::input( 'target', 30, $options['target']) . ' '.
 433                 Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
 434                 Xml::namespaceSelector( $options['namespace'], '' ) .
 435                 Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 436                 '</fieldset>' .
 437                 Xml::closeElement( 'form' );
 438         return $f;
 439 }
 440
 441 /**
 442  * Generates each row in the contributions list.
 443  *
 444  * Contributions which are marked "top" are currently on top of the history.
 445  * For these contributions, a [rollback] link is shown for users with sysop
 446  * privileges. The rollback link restores the most recent version that was not
 447  * written by the target user.
 448  *
 449  * @todo This would probably look a lot nicer in a table.
 450  */
 451 function ucListEdit( $sk, $row ) {
 452         $fname = 'ucListEdit';
 453         wfProfileIn( $fname );
 454
 455         global $wgLang, $wgUser, $wgRequest;
 456         static $messages;
 457         if( !isset( $messages ) ) {
 458                 foreach( explode( ' ', 'uctop diff newarticle rollbacklink diff hist minoreditletter' ) as $msg ) {
 459                         $messages[$msg] = wfMsgExt( $msg, array( 'escape') );
 460                 }
 461         }
 462
 463         $rev = new Revision( $row );
 464
 465         $page = Title::makeTitle( $row->page_namespace, $row->page_title );
 466         $link = $sk->makeKnownLinkObj( $page );
 467         $difftext = $topmarktext = '';
 468         if( $row->rev_id == $row->page_latest ) {
 469                 $topmarktext .= '<strong>' . $messages['uctop'] . '</strong>';
 470                 if( !$row->page_is_new ) {
 471                         $difftext .= '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=0' ) . ')';
 472                 } else {
 473                         $difftext .= $messages['newarticle'];
 474                 }
 475
 476                 if( $wgUser->isAllowed( 'rollback' ) ) {
 477                         $topmarktext .= ' '.$sk->generateRollback( $rev );
 478                 }
 479
 480         }
 481         if( $rev->userCan( Revision::DELETED_TEXT ) ) {
 482                 $difftext = '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=prev&oldid='.$row->rev_id ) . ')';
 483         } else {
 484                 $difftext = '(' . $messages['diff'] . ')';
 485         }
 486         $histlink='('.$sk->makeKnownLinkObj( $page, $messages['hist'], 'action=history' ) . ')';
 487
 488         $comment = $sk->revComment( $rev );
 489         $d = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 490
 491         if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 492                 $d = '<span class="history-deleted">' . $d . '</span>';
 493         }
 494
 495         if( $row->rev_minor_edit ) {
 496                 $mflag = '<span class="minor">' . $messages['minoreditletter'] . '</span> ';
 497         } else {
 498                 $mflag = '';
 499         }
 500
 501         $ret = "{$d} {$histlink} {$difftext} {$mflag} {$link} {$comment} {$topmarktext}";
 502         if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 503                 $ret .= ' ' . wfMsgHtml( 'deletedrev' );
 504         }
 505         $ret = "<li>$ret</li>\n";
 506         wfProfileOut( $fname );
 507         return $ret;
 508 }
 509
 510 ?>