includes/specials/SpecialContributions.php

   1 <?php
   2 /**
   3  * Implements Special:Contributions
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Special:Contributions, show user contributions in a paged list
  26  *
  27  * @ingroup SpecialPage
  28  */
  29
  30 class SpecialContributions extends SpecialPage {
  31         protected $opts;
  32
  33         public function __construct() {
  34                 parent::__construct( 'Contributions' );
  35         }
  36
  37         public function execute( $par ) {
  38                 $this->setHeaders();
  39                 $this->outputHeader();
  40                 $out = $this->getOutput();
  41                 $out->addModuleStyles( 'mediawiki.special' );
  42
  43                 $this->opts = array();
  44                 $request = $this->getRequest();
  45
  46                 if ( $par !== null ) {
  47                         $target = $par;
  48                 } else {
  49                         $target = $request->getVal( 'target' );
  50                 }
  51
  52                 // check for radiobox
  53                 if ( $request->getVal( 'contribs' ) == 'newbie' ) {
  54                         $target = 'newbies';
  55                         $this->opts['contribs'] = 'newbie';
  56                 } elseif ( $par === 'newbies' ) { // b/c for WMF
  57                         $target = 'newbies';
  58                         $this->opts['contribs'] = 'newbie';
  59                 } else {
  60                         $this->opts['contribs'] = 'user';
  61                 }
  62
  63                 $this->opts['deletedOnly'] = $request->getBool( 'deletedOnly' );
  64
  65                 if ( !strlen( $target ) ) {
  66                         $out->addHTML( $this->getForm() );
  67
  68                         return;
  69                 }
  70
  71                 $user = $this->getUser();
  72
  73                 $this->opts['limit'] = $request->getInt( 'limit', $user->getOption( 'rclimit' ) );
  74                 $this->opts['target'] = $target;
  75                 $this->opts['topOnly'] = $request->getBool( 'topOnly' );
  76
  77                 $nt = Title::makeTitleSafe( NS_USER, $target );
  78                 if ( !$nt ) {
  79                         $out->addHTML( $this->getForm() );
  80
  81                         return;
  82                 }
  83                 $userObj = User::newFromName( $nt->getText(), false );
  84                 if ( !$userObj ) {
  85                         $out->addHTML( $this->getForm() );
  86
  87                         return;
  88                 }
  89                 $id = $userObj->getID();
  90
  91                 if ( $this->opts['contribs'] != 'newbie' ) {
  92                         $target = $nt->getText();
  93                         $out->addSubtitle( $this->contributionsSub( $userObj ) );
  94                         $out->setHTMLTitle( $this->msg(
  95                                 'pagetitle',
  96                                 $this->msg( 'contributions-title', $target )->plain()
  97                         ) );
  98                         $this->getSkin()->setRelevantUser( $userObj );
  99                 } else {
 100                         $out->addSubtitle( $this->msg( 'sp-contributions-newbies-sub' ) );
 101                         $out->setHTMLTitle( $this->msg(
 102                                 'pagetitle',
 103                                 $this->msg( 'sp-contributions-newbies-title' )->plain()
 104                         ) );
 105                 }
 106
 107                 if ( ( $ns = $request->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 108                         $this->opts['namespace'] = intval( $ns );
 109                 } else {
 110                         $this->opts['namespace'] = '';
 111                 }
 112
 113                 $this->opts['associated'] = $request->getBool( 'associated' );
 114                 $this->opts['nsInvert'] = (bool)$request->getVal( 'nsInvert' );
 115                 $this->opts['tagfilter'] = (string)$request->getVal( 'tagfilter' );
 116
 117                 // Allows reverts to have the bot flag in recent changes. It is just here to
 118                 // be passed in the form at the top of the page
 119                 if ( $user->isAllowed( 'markbotedits' ) && $request->getBool( 'bot' ) ) {
 120                         $this->opts['bot'] = '1';
 121                 }
 122
 123                 $skip = $request->getText( 'offset' ) || $request->getText( 'dir' ) == 'prev';
 124                 # Offset overrides year/month selection
 125                 if ( $skip ) {
 126                         $this->opts['year'] = '';
 127                         $this->opts['month'] = '';
 128                 } else {
 129                         $this->opts['year'] = $request->getIntOrNull( 'year' );
 130                         $this->opts['month'] = $request->getIntOrNull( 'month' );
 131                 }
 132
 133                 $feedType = $request->getVal( 'feed' );
 134                 if ( $feedType ) {
 135                         // Maintain some level of backwards compatability
 136                         // If people request feeds using the old parameters, redirect to API
 137                         $apiParams = array(
 138                                 'action' => 'feedcontributions',
 139                                 'feedformat' => $feedType,
 140                                 'user' => $target,
 141                         );
 142                         if ( $this->opts['topOnly'] ) {
 143                                 $apiParams['toponly'] = true;
 144                         }
 145                         if ( $this->opts['deletedOnly'] ) {
 146                                 $apiParams['deletedonly'] = true;
 147                         }
 148                         if ( $this->opts['tagfilter'] !== '' ) {
 149                                 $apiParams['tagfilter'] = $this->opts['tagfilter'];
 150                         }
 151                         if ( $this->opts['namespace'] !== '' ) {
 152                                 $apiParams['namespace'] = $this->opts['namespace'];
 153                         }
 154                         if ( $this->opts['year'] !== null ) {
 155                                 $apiParams['year'] = $this->opts['year'];
 156                         }
 157                         if ( $this->opts['month'] !== null ) {
 158                                 $apiParams['month'] = $this->opts['month'];
 159                         }
 160
 161                         $url = wfAppendQuery( wfScript( 'api' ), $apiParams );
 162
 163                         $out->redirect( $url, '301' );
 164
 165                         return;
 166                 }
 167
 168                 // Add RSS/atom links
 169                 $this->addFeedLinks( array( 'action' => 'feedcontributions', 'user' => $target ) );
 170
 171                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
 172                         $out->addHTML( $this->getForm() );
 173
 174                         $pager = new ContribsPager( $this->getContext(), array(
 175                                 'target' => $target,
 176                                 'contribs' => $this->opts['contribs'],
 177                                 'namespace' => $this->opts['namespace'],
 178                                 'tagfilter' => $this->opts['tagfilter'],
 179                                 'year' => $this->opts['year'],
 180                                 'month' => $this->opts['month'],
 181                                 'deletedOnly' => $this->opts['deletedOnly'],
 182                                 'topOnly' => $this->opts['topOnly'],
 183                                 'nsInvert' => $this->opts['nsInvert'],
 184                                 'associated' => $this->opts['associated'],
 185                         ) );
 186
 187                         if ( !$pager->getNumRows() ) {
 188                                 $out->addWikiMsg( 'nocontribs', $target );
 189                         } else {
 190                                 # Show a message about slave lag, if applicable
 191                                 $lag = wfGetLB()->safeGetLag( $pager->getDatabase() );
 192                                 if ( $lag > 0 ) {
 193                                         $out->showLagWarning( $lag );
 194                                 }
 195
 196                                 $out->addHTML(
 197                                         '<p>' . $pager->getNavigationBar() . '</p>' .
 198                                                 $pager->getBody() .
 199                                                 '<p>' . $pager->getNavigationBar() . '</p>'
 200                                 );
 201                         }
 202                         $out->preventClickjacking( $pager->getPreventClickjacking() );
 203
 204                         # Show the appropriate "footer" message - WHOIS tools, etc.
 205                         if ( $this->opts['contribs'] == 'newbie' ) {
 206                                 $message = 'sp-contributions-footer-newbies';
 207                         } elseif ( IP::isIPAddress( $target ) ) {
 208                                 $message = 'sp-contributions-footer-anon';
 209                         } elseif ( $userObj->isAnon() ) {
 210                                 // No message for non-existing users
 211                                 $message = '';
 212                         } else {
 213                                 $message = 'sp-contributions-footer';
 214                         }
 215
 216                         if ( $message ) {
 217                                 if ( !$this->msg( $message, $target )->isDisabled() ) {
 218                                         $out->wrapWikiMsg(
 219                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
 220                                                 array( $message, $target ) );
 221                                 }
 222                         }
 223                 }
 224         }
 225
 226         /**
 227          * Generates the subheading with links
 228          * @param $userObj User object for the target
 229          * @return String: appropriately-escaped HTML to be output literally
 230          * @todo FIXME: Almost the same as getSubTitle in SpecialDeletedContributions.php. Could be combined.
 231          */
 232         protected function contributionsSub( $userObj ) {
 233                 if ( $userObj->isAnon() ) {
 234                         $user = htmlspecialchars( $userObj->getName() );
 235                 } else {
 236                         $user = Linker::link( $userObj->getUserPage(), htmlspecialchars( $userObj->getName() ) );
 237                 }
 238                 $nt = $userObj->getUserPage();
 239                 $talk = $userObj->getTalkPage();
 240                 $links = '';
 241                 if ( $talk ) {
 242                         $tools = $this->getUserLinks( $nt, $talk, $userObj );
 243                         $links = $this->getLanguage()->pipeList( $tools );
 244
 245                         // Show a note if the user is blocked and display the last block log entry.
 246                         // Do not expose the autoblocks, since that may lead to a leak of accounts' IPs,
 247                         // and also this will display a totally irrelevant log entry as a current block.
 248                         if ( $userObj->isBlocked() && $userObj->getBlock()->getType() != Block::TYPE_AUTO ) {
 249                                 $out = $this->getOutput(); // showLogExtract() wants first parameter by reference
 250                                 LogEventsList::showLogExtract(
 251                                         $out,
 252                                         'block',
 253                                         $nt,
 254                                         '',
 255                                         array(
 256                                                 'lim' => 1,
 257                                                 'showIfEmpty' => false,
 258                                                 'msgKey' => array(
 259                                                         $userObj->isAnon() ?
 260                                                                 'sp-contributions-blocked-notice-anon' :
 261                                                                 'sp-contributions-blocked-notice',
 262                                                         $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
 263                                                 ),
 264                                                 'offset' => '' # don't use WebRequest parameter offset
 265                                         )
 266                                 );
 267                         }
 268                 }
 269
 270                 return $this->msg( 'contribsub2' )->rawParams( $user, $links )->params( $userObj->getName() );
 271         }
 272
 273         /**
 274          * Links to different places.
 275          * @param $userpage Title: Target user page
 276          * @param $talkpage Title: Talk page
 277          * @param $target User: Target user object
 278          * @return array
 279          */
 280         public function getUserLinks( Title $userpage, Title $talkpage, User $target ) {
 281
 282                 $id = $target->getId();
 283                 $username = $target->getName();
 284
 285                 $tools[] = Linker::link( $talkpage, $this->msg( 'sp-contributions-talk' )->escaped() );
 286
 287                 if ( ( $id !== null ) || ( $id === null && IP::isIPAddress( $username ) ) ) {
 288                         if ( $this->getUser()->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 289                                 if ( $target->isBlocked() && $target->getBlock()->getType() != Block::TYPE_AUTO ) {
 290                                         $tools[] = Linker::linkKnown( # Change block link
 291                                                 SpecialPage::getTitleFor( 'Block', $username ),
 292                                                 $this->msg( 'change-blocklink' )->escaped()
 293                                         );
 294                                         $tools[] = Linker::linkKnown( # Unblock link
 295                                                 SpecialPage::getTitleFor( 'Unblock', $username ),
 296                                                 $this->msg( 'unblocklink' )->escaped()
 297                                         );
 298                                 } else { # User is not blocked
 299                                         $tools[] = Linker::linkKnown( # Block link
 300                                                 SpecialPage::getTitleFor( 'Block', $username ),
 301                                                 $this->msg( 'blocklink' )->escaped()
 302                                         );
 303                                 }
 304                         }
 305
 306                         # Block log link
 307                         $tools[] = Linker::linkKnown(
 308                                 SpecialPage::getTitleFor( 'Log', 'block' ),
 309                                 $this->msg( 'sp-contributions-blocklog' )->escaped(),
 310                                 array(),
 311                                 array( 'page' => $userpage->getPrefixedText() )
 312                         );
 313                 }
 314                 # Uploads
 315                 $tools[] = Linker::linkKnown(
 316                         SpecialPage::getTitleFor( 'Listfiles', $username ),
 317                         $this->msg( 'sp-contributions-uploads' )->escaped()
 318                 );
 319
 320                 # Other logs link
 321                 $tools[] = Linker::linkKnown(
 322                         SpecialPage::getTitleFor( 'Log', $username ),
 323                         $this->msg( 'sp-contributions-logs' )->escaped()
 324                 );
 325
 326                 # Add link to deleted user contributions for priviledged users
 327                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 328                         $tools[] = Linker::linkKnown(
 329                                 SpecialPage::getTitleFor( 'DeletedContributions', $username ),
 330                                 $this->msg( 'sp-contributions-deleted' )->escaped()
 331                         );
 332                 }
 333
 334                 # Add a link to change user rights for privileged users
 335                 $userrightsPage = new UserrightsPage();
 336                 $userrightsPage->setContext( $this->getContext() );
 337                 if ( $userrightsPage->userCanChangeRights( $target ) ) {
 338                         $tools[] = Linker::linkKnown(
 339                                 SpecialPage::getTitleFor( 'Userrights', $username ),
 340                                 $this->msg( 'sp-contributions-userrights' )->escaped()
 341                         );
 342                 }
 343
 344                 wfRunHooks( 'ContributionsToolLinks', array( $id, $userpage, &$tools ) );
 345
 346                 return $tools;
 347         }
 348
 349         /**
 350          * Generates the namespace selector form with hidden attributes.
 351          * @return String: HTML fragment
 352          */
 353         protected function getForm() {
 354                 global $wgScript;
 355
 356                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 357                 if ( !isset( $this->opts['target'] ) ) {
 358                         $this->opts['target'] = '';
 359                 } else {
 360                         $this->opts['target'] = str_replace( '_', ' ', $this->opts['target'] );
 361                 }
 362
 363                 if ( !isset( $this->opts['namespace'] ) ) {
 364                         $this->opts['namespace'] = '';
 365                 }
 366
 367                 if ( !isset( $this->opts['nsInvert'] ) ) {
 368                         $this->opts['nsInvert'] = '';
 369                 }
 370
 371                 if ( !isset( $this->opts['associated'] ) ) {
 372                         $this->opts['associated'] = false;
 373                 }
 374
 375                 if ( !isset( $this->opts['contribs'] ) ) {
 376                         $this->opts['contribs'] = 'user';
 377                 }
 378
 379                 if ( !isset( $this->opts['year'] ) ) {
 380                         $this->opts['year'] = '';
 381                 }
 382
 383                 if ( !isset( $this->opts['month'] ) ) {
 384                         $this->opts['month'] = '';
 385                 }
 386
 387                 if ( $this->opts['contribs'] == 'newbie' ) {
 388                         $this->opts['target'] = '';
 389                 }
 390
 391                 if ( !isset( $this->opts['tagfilter'] ) ) {
 392                         $this->opts['tagfilter'] = '';
 393                 }
 394
 395                 if ( !isset( $this->opts['topOnly'] ) ) {
 396                         $this->opts['topOnly'] = false;
 397                 }
 398
 399                 $form = Html::openElement(
 400                         'form',
 401                         array(
 402                                 'method' => 'get',
 403                                 'action' => $wgScript,
 404                                 'class' => 'mw-contributions-form'
 405                         )
 406                 );
 407
 408                 # Add hidden params for tracking except for parameters in $skipParameters
 409                 $skipParameters = array(
 410                         'namespace',
 411                         'nsInvert',
 412                         'deletedOnly',
 413                         'target',
 414                         'contribs',
 415                         'year',
 416                         'month',
 417                         'topOnly',
 418                         'associated'
 419                 );
 420
 421                 foreach ( $this->opts as $name => $value ) {
 422                         if ( in_array( $name, $skipParameters ) ) {
 423                                 continue;
 424                         }
 425                         $form .= "\t" . Html::hidden( $name, $value ) . "\n";
 426                 }
 427
 428                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 429
 430                 if ( $tagFilter ) {
 431                         $filterSelection = Html::rawElement(
 432                                 'td',
 433                                 array( 'class' => 'mw-label' ),
 434                                 array_shift( $tagFilter )
 435                         );
 436                         $filterSelection .= Html::rawElement(
 437                                 'td',
 438                                 array( 'class' => 'mw-input' ),
 439                                 implode( '&#160', $tagFilter )
 440                         );
 441                 } else {
 442                         $filterSelection = Html::rawElement( 'td', array( 'colspan' => 2 ), '' );
 443                 }
 444
 445                 $labelNewbies = Xml::radioLabel(
 446                         $this->msg( 'sp-contributions-newbies' )->text(),
 447                         'contribs',
 448                         'newbie',
 449                         'newbie',
 450                         $this->opts['contribs'] == 'newbie',
 451                         array( 'class' => 'mw-input' )
 452                 );
 453                 $labelUsername = Xml::radioLabel(
 454                         $this->msg( 'sp-contributions-username' )->text(),
 455                         'contribs',
 456                         'user',
 457                         'user',
 458                         $this->opts['contribs'] == 'user',
 459                         array( 'class' => 'mw-input' )
 460                 );
 461                 $input = Html::input(
 462                         'target',
 463                         $this->opts['target'],
 464                         'text',
 465                         array( 'size' => '40', 'required' => '', 'class' => 'mw-input' ) +
 466                                 ( $this->opts['target'] ? array() : array( 'autofocus' )
 467                                 )
 468                 );
 469                 $targetSelection = Html::rawElement(
 470                         'td',
 471                         array( 'colspan' => 2 ),
 472                         $labelNewbies . '<br />' . $labelUsername . ' ' . $input . ' '
 473                 );
 474
 475                 $namespaceSelection = Xml::tags(
 476                         'td',
 477                         array( 'class' => 'mw-label' ),
 478                         Xml::label(
 479                                 $this->msg( 'namespace' )->text(),
 480                                 'namespace',
 481                                 ''
 482                         )
 483                 );
 484                 $namespaceSelection .= Html::rawElement(
 485                         'td',
 486                         null,
 487                         Html::namespaceSelector(
 488                                 array( 'selected' => $this->opts['namespace'], 'all' => '' ),
 489                                 array(
 490                                         'name' => 'namespace',
 491                                         'id' => 'namespace',
 492                                         'class' => 'namespaceselector',
 493                                 )
 494                         ) . '&#160;' .
 495                                 Html::rawElement(
 496                                         'span',
 497                                         array( 'style' => 'white-space: nowrap' ),
 498                                         Xml::checkLabel(
 499                                                 $this->msg( 'invert' )->text(),
 500                                                 'nsInvert',
 501                                                 'nsInvert',
 502                                                 $this->opts['nsInvert'],
 503                                                 array(
 504                                                         'title' => $this->msg( 'tooltip-invert' )->text(),
 505                                                         'class' => 'mw-input'
 506                                                 )
 507                                         ) . '&#160;'
 508                                 ) .
 509                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 510                                         Xml::checkLabel(
 511                                                 $this->msg( 'namespace_association' )->text(),
 512                                                 'associated',
 513                                                 'associated',
 514                                                 $this->opts['associated'],
 515                                                 array(
 516                                                         'title' => $this->msg( 'tooltip-namespace_association' )->text(),
 517                                                         'class' => 'mw-input'
 518                                                 )
 519                                         ) . '&#160;'
 520                                 )
 521                 );
 522
 523                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 524                         $deletedOnlyCheck = Html::rawElement(
 525                                 'span',
 526                                 array( 'style' => 'white-space: nowrap' ),
 527                                 Xml::checkLabel(
 528                                         $this->msg( 'history-show-deleted' )->text(),
 529                                         'deletedOnly',
 530                                         'mw-show-deleted-only',
 531                                         $this->opts['deletedOnly'],
 532                                         array( 'class' => 'mw-input' )
 533                                 )
 534                         );
 535                 } else {
 536                         $deletedOnlyCheck = '';
 537                 }
 538
 539                 $checkLabelTopOnly = Html::rawElement(
 540                         'span',
 541                         array( 'style' => 'white-space: nowrap' ),
 542                         Xml::checkLabel(
 543                                 $this->msg( 'sp-contributions-toponly' )->text(),
 544                                 'topOnly',
 545                                 'mw-show-top-only',
 546                                 $this->opts['topOnly'],
 547                                 array( 'class' => 'mw-input' )
 548                         )
 549                 );
 550                 $extraOptions = Html::rawElement(
 551                         'td',
 552                         array( 'colspan' => 2 ),
 553                         $deletedOnlyCheck . $checkLabelTopOnly
 554                 );
 555
 556                 $dateSelectionAndSubmit = Xml::tags( 'td', array( 'colspan' => 2 ),
 557                         Xml::dateMenu(
 558                                 $this->opts['year'] === '' ? MWTimestamp::getInstance()->format( 'Y' ) : $this->opts['year'],
 559                                 $this->opts['month']
 560                         ) . ' ' .
 561                                 Xml::submitButton(
 562                                         $this->msg( 'sp-contributions-submit' )->text(),
 563                                         array( 'class' => 'mw-submit' )
 564                                 )
 565                 );
 566
 567                 $form .= Xml::fieldset( $this->msg( 'sp-contributions-search' )->text() );
 568                 $form .= Html::rawElement( 'table', array( 'class' => 'mw-contributions-table' ), "\n" .
 569                         Html::rawElement( 'tr', array(), $targetSelection ) . "\n" .
 570                         Html::rawElement( 'tr', array(), $namespaceSelection ) . "\n" .
 571                         Html::rawElement( 'tr', array(), $filterSelection ) . "\n" .
 572                         Html::rawElement( 'tr', array(), $extraOptions ) . "\n" .
 573                         Html::rawElement( 'tr', array(), $dateSelectionAndSubmit ) . "\n"
 574                 );
 575
 576                 $explain = $this->msg( 'sp-contributions-explain' );
 577                 if ( !$explain->isBlank() ) {
 578                         $form .= "<p id='mw-sp-contributions-explain'>{$explain->parse()}</p>";
 579                 }
 580
 581                 $form .= Xml::closeElement( 'fieldset' ) . Xml::closeElement( 'form' );
 582
 583                 return $form;
 584         }
 585
 586         protected function getGroupName() {
 587                 return 'users';
 588         }
 589 }
 590
 591 /**
 592  * Pager for Special:Contributions
 593  * @ingroup SpecialPage Pager
 594  */
 595 class ContribsPager extends ReverseChronologicalPager {
 596         public $mDefaultDirection = true;
 597         var $messages, $target;
 598         var $namespace = '', $mDb;
 599         var $preventClickjacking = false;
 600
 601         /**
 602          * @var array
 603          */
 604         protected $mParentLens;
 605
 606         function __construct( IContextSource $context, array $options ) {
 607                 parent::__construct( $context );
 608
 609                 $msgs = array(
 610                         'diff',
 611                         'hist',
 612                         'newarticle',
 613                         'pipe-separator',
 614                         'rev-delundel',
 615                         'rollbacklink',
 616                         'uctop'
 617                 );
 618
 619                 foreach ( $msgs as $msg ) {
 620                         $this->messages[$msg] = $this->msg( $msg )->escaped();
 621                 }
 622
 623                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 624                 $this->contribs = isset( $options['contribs'] ) ? $options['contribs'] : 'users';
 625                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 626                 $this->tagFilter = isset( $options['tagfilter'] ) ? $options['tagfilter'] : false;
 627                 $this->nsInvert = isset( $options['nsInvert'] ) ? $options['nsInvert'] : false;
 628                 $this->associated = isset( $options['associated'] ) ? $options['associated'] : false;
 629
 630                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 631                 $this->topOnly = !empty( $options['topOnly'] );
 632
 633                 $year = isset( $options['year'] ) ? $options['year'] : false;
 634                 $month = isset( $options['month'] ) ? $options['month'] : false;
 635                 $this->getDateCond( $year, $month );
 636
 637                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 638         }
 639
 640         function getDefaultQuery() {
 641                 $query = parent::getDefaultQuery();
 642                 $query['target'] = $this->target;
 643
 644                 return $query;
 645         }
 646
 647         /**
 648          * This method basically executes the exact same code as the parent class, though with
 649          * a hook added, to allow extentions to add additional queries.
 650          *
 651          * @param string $offset index offset, inclusive
 652          * @param $limit Integer: exact query limit
 653          * @param $descending Boolean: query direction, false for ascending, true for descending
 654          * @return ResultWrapper
 655          */
 656         function reallyDoQuery( $offset, $limit, $descending ) {
 657                 list( $tables, $fields, $conds, $fname, $options, $join_conds ) = $this->buildQueryInfo(
 658                         $offset,
 659                         $limit,
 660                         $descending
 661                 );
 662                 $pager = $this;
 663
 664                 /*
 665                  * This hook will allow extensions to add in additional queries, so they can get their data
 666                  * in My Contributions as well. Extensions should append their results to the $data array.
 667                  *
 668                  * Extension queries have to implement the navbar requirement as well. They should
 669                  * - have a column aliased as $pager->getIndexField()
 670                  * - have LIMIT set
 671                  * - have a WHERE-clause that compares the $pager->getIndexField()-equivalent column to the offset
 672                  * - have the ORDER BY specified based upon the details provided by the navbar
 673                  *
 674                  * See includes/Pager.php buildQueryInfo() method on how to build LIMIT, WHERE & ORDER BY
 675                  *
 676                  * &$data: an array of results of all contribs queries
 677                  * $pager: the ContribsPager object hooked into
 678                  * $offset: see phpdoc above
 679                  * $limit: see phpdoc above
 680                  * $descending: see phpdoc above
 681                  */
 682                 $data = array( $this->mDb->select( $tables, $fields, $conds, $fname, $options, $join_conds ) );
 683                 wfRunHooks( 'ContribsPager::reallyDoQuery', array( &$data, $pager, $offset, $limit, $descending ) );
 684
 685                 $result = array();
 686
 687                 // loop all results and collect them in an array
 688                 foreach ( $data as $query ) {
 689                         foreach ( $query as $i => $row ) {
 690                                 // use index column as key, allowing us to easily sort in PHP
 691                                 $result[$row->{$this->getIndexField()} . "-$i"] = $row;
 692                         }
 693                 }
 694
 695                 // sort results
 696                 if ( $descending ) {
 697                         ksort( $result );
 698                 } else {
 699                         krsort( $result );
 700                 }
 701
 702                 // enforce limit
 703                 $result = array_slice( $result, 0, $limit );
 704
 705                 // get rid of array keys
 706                 $result = array_values( $result );
 707
 708                 return new FakeResultWrapper( $result );
 709         }
 710
 711         function getQueryInfo() {
 712                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 713
 714                 $user = $this->getUser();
 715                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 716
 717                 // Paranoia: avoid brute force searches (bug 17342)
 718                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 719                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0';
 720                 } elseif ( !$user->isAllowed( 'suppressrevision' ) ) {
 721                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::SUPPRESSED_USER ) .
 722                                 ' != ' . Revision::SUPPRESSED_USER;
 723                 }
 724
 725                 # Don't include orphaned revisions
 726                 $join_cond['page'] = Revision::pageJoinCond();
 727                 # Get the current user name for accounts
 728                 $join_cond['user'] = Revision::userJoinCond();
 729
 730                 $queryInfo = array(
 731                         'tables' => $tables,
 732                         'fields' => array_merge(
 733                                 Revision::selectFields(),
 734                                 Revision::selectUserFields(),
 735                                 array( 'page_namespace', 'page_title', 'page_is_new',
 736                                         'page_latest', 'page_is_redirect', 'page_len' )
 737                         ),
 738                         'conds' => $conds,
 739                         'options' => array( 'USE INDEX' => array( 'revision' => $index ) ),
 740                         'join_conds' => $join_cond
 741                 );
 742
 743                 ChangeTags::modifyDisplayQuery(
 744                         $queryInfo['tables'],
 745                         $queryInfo['fields'],
 746                         $queryInfo['conds'],
 747                         $queryInfo['join_conds'],
 748                         $queryInfo['options'],
 749                         $this->tagFilter
 750                 );
 751
 752                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 753
 754                 return $queryInfo;
 755         }
 756
 757         function getUserCond() {
 758                 $condition = array();
 759                 $join_conds = array();
 760                 $tables = array( 'revision', 'page', 'user' );
 761                 if ( $this->contribs == 'newbie' ) {
 762                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 763                         $condition[] = 'rev_user >' . (int)( $max - $max / 100 );
 764                         $index = 'user_timestamp';
 765                         # ignore local groups with the bot right
 766                         # @todo FIXME: Global groups may have 'bot' rights
 767                         $groupsWithBotPermission = User::getGroupsWithPermission( 'bot' );
 768                         if ( count( $groupsWithBotPermission ) ) {
 769                                 $tables[] = 'user_groups';
 770                                 $condition[] = 'ug_group IS NULL';
 771                                 $join_conds['user_groups'] = array(
 772                                         'LEFT JOIN', array(
 773                                                 'ug_user = rev_user',
 774                                                 'ug_group' => $groupsWithBotPermission
 775                                         )
 776                                 );
 777                         }
 778                 } else {
 779                         $uid = User::idFromName( $this->target );
 780                         if ( $uid ) {
 781                                 $condition['rev_user'] = $uid;
 782                                 $index = 'user_timestamp';
 783                         } else {
 784                                 $condition['rev_user_text'] = $this->target;
 785                                 $index = 'usertext_timestamp';
 786                         }
 787                 }
 788
 789                 if ( $this->deletedOnly ) {
 790                         $condition[] = 'rev_deleted != 0';
 791                 }
 792
 793                 if ( $this->topOnly ) {
 794                         $condition[] = 'rev_id = page_latest';
 795                 }
 796
 797                 return array( $tables, $index, $condition, $join_conds );
 798         }
 799
 800         function getNamespaceCond() {
 801                 if ( $this->namespace !== '' ) {
 802                         $selectedNS = $this->mDb->addQuotes( $this->namespace );
 803                         $eq_op = $this->nsInvert ? '!=' : '=';
 804                         $bool_op = $this->nsInvert ? 'AND' : 'OR';
 805
 806                         if ( !$this->associated ) {
 807                                 return array( "page_namespace $eq_op $selectedNS" );
 808                         }
 809
 810                         $associatedNS = $this->mDb->addQuotes(
 811                                 MWNamespace::getAssociated( $this->namespace )
 812                         );
 813
 814                         return array(
 815                                 "page_namespace $eq_op $selectedNS " .
 816                                         $bool_op .
 817                                         " page_namespace $eq_op $associatedNS"
 818                         );
 819                 }
 820
 821                 return array();
 822         }
 823
 824         function getIndexField() {
 825                 return 'rev_timestamp';
 826         }
 827
 828         function doBatchLookups() {
 829                 # Do a link batch query
 830                 $this->mResult->seek( 0 );
 831                 $revIds = array();
 832                 $batch = new LinkBatch();
 833                 # Give some pointers to make (last) links
 834                 foreach ( $this->mResult as $row ) {
 835                         if ( isset( $row->rev_parent_id ) && $row->rev_parent_id ) {
 836                                 $revIds[] = $row->rev_parent_id;
 837                         }
 838                         if ( isset( $row->rev_id ) ) {
 839                                 if ( $this->contribs === 'newbie' ) { // multiple users
 840                                         $batch->add( NS_USER, $row->user_name );
 841                                         $batch->add( NS_USER_TALK, $row->user_name );
 842                                 }
 843                                 $batch->add( $row->page_namespace, $row->page_title );
 844                         }
 845                 }
 846                 $this->mParentLens = Revision::getParentLengths( $this->getDatabase(), $revIds );
 847                 $batch->execute();
 848                 $this->mResult->seek( 0 );
 849         }
 850
 851         /**
 852          * @return string
 853          */
 854         function getStartBody() {
 855                 return "<ul>\n";
 856         }
 857
 858         /**
 859          * @return string
 860          */
 861         function getEndBody() {
 862                 return "</ul>\n";
 863         }
 864
 865         /**
 866          * Generates each row in the contributions list.
 867          *
 868          * Contributions which are marked "top" are currently on top of the history.
 869          * For these contributions, a [rollback] link is shown for users with roll-
 870          * back privileges. The rollback link restores the most recent version that
 871          * was not written by the target user.
 872          *
 873          * @todo This would probably look a lot nicer in a table.
 874          * @param $row
 875          * @return string
 876          */
 877         function formatRow( $row ) {
 878                 wfProfileIn( __METHOD__ );
 879
 880                 $ret = '';
 881                 $classes = array();
 882
 883                 /*
 884                  * There may be more than just revision rows. To make sure that we'll only be processing
 885                  * revisions here, let's _try_ to build a revision out of our row (without displaying
 886                  * notices though) and then trying to grab data from the built object. If we succeed,
 887                  * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
 888                  * to extensions to subscribe to the hook to parse the row.
 889                  */
 890                 wfSuppressWarnings();
 891                 $rev = new Revision( $row );
 892                 $validRevision = (bool)$rev->getId();
 893                 wfRestoreWarnings();
 894
 895                 if ( $validRevision ) {
 896                         $classes = array();
 897
 898                         $page = Title::newFromRow( $row );
 899                         $link = Linker::link(
 900                                 $page,
 901                                 htmlspecialchars( $page->getPrefixedText() ),
 902                                 array( 'class' => 'mw-contributions-title' ),
 903                                 $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 904                         );
 905                         # Mark current revisions
 906                         $topmarktext = '';
 907                         $user = $this->getUser();
 908                         if ( $row->rev_id == $row->page_latest ) {
 909                                 $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 910                                 # Add rollback link
 911                                 if ( !$row->page_is_new && $page->quickUserCan( 'rollback', $user )
 912                                         && $page->quickUserCan( 'edit', $user )
 913                                 ) {
 914                                         $this->preventClickjacking();
 915                                         $topmarktext .= ' ' . Linker::generateRollback( $rev, $this->getContext() );
 916                                 }
 917                         }
 918                         # Is there a visible previous revision?
 919                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) && $rev->getParentId() !== 0 ) {
 920                                 $difftext = Linker::linkKnown(
 921                                         $page,
 922                                         $this->messages['diff'],
 923                                         array(),
 924                                         array(
 925                                                 'diff' => 'prev',
 926                                                 'oldid' => $row->rev_id
 927                                         )
 928                                 );
 929                         } else {
 930                                 $difftext = $this->messages['diff'];
 931                         }
 932                         $histlink = Linker::linkKnown(
 933                                 $page,
 934                                 $this->messages['hist'],
 935                                 array(),
 936                                 array( 'action' => 'history' )
 937                         );
 938
 939                         if ( $row->rev_parent_id === null ) {
 940                                 // For some reason rev_parent_id isn't populated for this row.
 941                                 // Its rumoured this is true on wikipedia for some revisions (bug 34922).
 942                                 // Next best thing is to have the total number of bytes.
 943                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ';
 944                                 $chardiff .= Linker::formatRevisionSize( $row->rev_len );
 945                                 $chardiff .= ' <span class="mw-changeslist-separator">. .</span> ';
 946                         } else {
 947                                 $parentLen = isset( $this->mParentLens[$row->rev_parent_id] ) ? $this->mParentLens[$row->rev_parent_id] : 0;
 948                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ';
 949                                 $chardiff .= ChangesList::showCharacterDifference(
 950                                         $parentLen,
 951                                         $row->rev_len,
 952                                         $this->getContext()
 953                                 );
 954                                 $chardiff .= ' <span class="mw-changeslist-separator">. .</span> ';
 955                         }
 956
 957                         $lang = $this->getLanguage();
 958                         $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
 959                         $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
 960                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
 961                                 $d = Linker::linkKnown(
 962                                         $page,
 963                                         htmlspecialchars( $date ),
 964                                         array( 'class' => 'mw-changeslist-date' ),
 965                                         array( 'oldid' => intval( $row->rev_id ) )
 966                                 );
 967                         } else {
 968                                 $d = htmlspecialchars( $date );
 969                         }
 970                         if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 971                                 $d = '<span class="history-deleted">' . $d . '</span>';
 972                         }
 973
 974                         # Show user names for /newbies as there may be different users.
 975                         # Note that we already excluded rows with hidden user names.
 976                         if ( $this->contribs == 'newbie' ) {
 977                                 $userlink = ' . . ' . Linker::userLink( $rev->getUser(), $rev->getUserText() );
 978                                 $userlink .= ' ' . $this->msg( 'parentheses' )->rawParams(
 979                                         Linker::userTalkLink( $rev->getUser(), $rev->getUserText() ) )->escaped() . ' ';
 980                         } else {
 981                                 $userlink = '';
 982                         }
 983
 984                         if ( $rev->getParentId() === 0 ) {
 985                                 $nflag = ChangesList::flag( 'newpage' );
 986                         } else {
 987                                 $nflag = '';
 988                         }
 989
 990                         if ( $rev->isMinor() ) {
 991                                 $mflag = ChangesList::flag( 'minor' );
 992                         } else {
 993                                 $mflag = '';
 994                         }
 995
 996                         $del = Linker::getRevDeleteLink( $user, $rev, $page );
 997                         if ( $del !== '' ) {
 998                                 $del .= ' ';
 999                         }
1000
1001                         $diffHistLinks = $this->msg( 'parentheses' )
1002                                 ->rawParams( $difftext . $this->messages['pipe-separator'] . $histlink )
1003                                 ->escaped();
1004                         $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
1005
1006                         # Denote if username is redacted for this edit
1007                         if ( $rev->isDeleted( Revision::DELETED_USER ) ) {
1008                                 $ret .= " <strong>" . $this->msg( 'rev-deleted-user-contribs' )->escaped() . "</strong>";
1009                         }
1010
1011                         # Tags, if any.
1012                         list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow(
1013                                 $row->ts_tags,
1014                                 'contributions'
1015                         );
1016                         $classes = array_merge( $classes, $newClasses );
1017                         $ret .= " $tagSummary";
1018                 }
1019
1020                 // Let extensions add data
1021                 wfRunHooks( 'ContributionsLineEnding', array( $this, &$ret, $row, &$classes ) );
1022
1023                 if ( $classes === array() && $ret === '' ) {
1024                         wfDebug( 'Dropping Special:Contribution row that could not be formatted' );
1025                         $ret = "<!-- Could not format Special:Contribution row. -->\n";
1026                 } else {
1027                         $ret = Html::rawElement( 'li', array( 'class' => $classes ), $ret ) . "\n";
1028                 }
1029
1030                 wfProfileOut( __METHOD__ );
1031
1032                 return $ret;
1033         }
1034
1035         /**
1036          * Overwrite Pager function and return a helpful comment
1037          * @return string
1038          */
1039         function getSqlComment() {
1040                 if ( $this->namespace || $this->deletedOnly ) {
1041                         // potentially slow, see CR r58153
1042                         return 'contributions page filtered for namespace or RevisionDeleted edits';
1043                 } else {
1044                         return 'contributions page unfiltered';
1045                 }
1046         }
1047
1048         protected function preventClickjacking() {
1049                 $this->preventClickjacking = true;
1050         }
1051
1052         /**
1053          * @return bool
1054          */
1055         public function getPreventClickjacking() {
1056                 return $this->preventClickjacking;
1057         }
1058 }