MediaWiki
REL1_22
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00001 <?php 00030 class SpecialRevisionDelete extends UnlistedSpecialPage { 00032 var $submitClicked; 00033 00035 var $ids; 00036 00038 var $archiveName; 00039 00041 var $token; 00042 00044 var $targetObj; 00045 00047 var $typeName; 00048 00050 var $checks; 00051 00053 var $typeLabels; 00054 00056 var $list; 00057 00061 static $UILabels = array( 00062 'revision' => array( 00063 'check-label' => 'revdelete-hide-text', 00064 'success' => 'revdelete-success', 00065 'failure' => 'revdelete-failure', 00066 ), 00067 'archive' => array( 00068 'check-label' => 'revdelete-hide-text', 00069 'success' => 'revdelete-success', 00070 'failure' => 'revdelete-failure', 00071 ), 00072 'oldimage' => array( 00073 'check-label' => 'revdelete-hide-image', 00074 'success' => 'revdelete-success', 00075 'failure' => 'revdelete-failure', 00076 ), 00077 'filearchive' => array( 00078 'check-label' => 'revdelete-hide-image', 00079 'success' => 'revdelete-success', 00080 'failure' => 'revdelete-failure', 00081 ), 00082 'logging' => array( 00083 'check-label' => 'revdelete-hide-name', 00084 'success' => 'logdelete-success', 00085 'failure' => 'logdelete-failure', 00086 ), 00087 ); 00088 00089 public function __construct() { 00090 parent::__construct( 'Revisiondelete', 'deletedhistory' ); 00091 } 00092 00093 public function execute( $par ) { 00094 $this->checkPermissions(); 00095 $this->checkReadOnly(); 00096 00097 $output = $this->getOutput(); 00098 $user = $this->getUser(); 00099 00100 $this->setHeaders(); 00101 $this->outputHeader(); 00102 $request = $this->getRequest(); 00103 $this->submitClicked = $request->wasPosted() && $request->getBool( 'wpSubmit' ); 00104 # Handle our many different possible input types. 00105 $ids = $request->getVal( 'ids' ); 00106 if ( !is_null( $ids ) ) { 00107 # Allow CSV, for backwards compatibility, or a single ID for show/hide links 00108 $this->ids = explode( ',', $ids ); 00109 } else { 00110 # Array input 00111 $this->ids = array_keys( $request->getArray( 'ids', array() ) ); 00112 } 00113 // $this->ids = array_map( 'intval', $this->ids ); 00114 $this->ids = array_unique( array_filter( $this->ids ) ); 00115 00116 if ( $request->getVal( 'action' ) == 'historysubmit' || $request->getVal( 'action' ) == 'revisiondelete' ) { 00117 // For show/hide form submission from history page 00118 // Since we are access through index.php?title=XXX&action=historysubmit 00119 // getFullTitle() will contain the target title and not our title 00120 $this->targetObj = $this->getFullTitle(); 00121 $this->typeName = 'revision'; 00122 } else { 00123 $this->typeName = $request->getVal( 'type' ); 00124 $this->targetObj = Title::newFromText( $request->getText( 'target' ) ); 00125 } 00126 00127 # For reviewing deleted files... 00128 $this->archiveName = $request->getVal( 'file' ); 00129 $this->token = $request->getVal( 'token' ); 00130 if ( $this->archiveName && $this->targetObj ) { 00131 $this->tryShowFile( $this->archiveName ); 00132 return; 00133 } 00134 00135 $this->typeName = RevisionDeleter::getCanonicalTypeName( $this->typeName ); 00136 00137 # No targets? 00138 if ( !$this->typeName || count( $this->ids ) == 0 ) { 00139 throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' ); 00140 } 00141 $this->typeLabels = self::$UILabels[$this->typeName]; 00142 $this->mIsAllowed = $user->isAllowed( RevisionDeleter::getRestriction( $this->typeName ) ); 00143 00144 # Allow the list type to adjust the passed target 00145 $this->targetObj = RevisionDeleter::suggestTarget( $this->typeName, $this->targetObj, $this->ids ); 00146 00147 $this->otherReason = $request->getVal( 'wpReason' ); 00148 # We need a target page! 00149 if ( is_null( $this->targetObj ) ) { 00150 $output->addWikiMsg( 'undelete-header' ); 00151 return; 00152 } 00153 # Give a link to the logs/hist for this page 00154 $this->showConvenienceLinks(); 00155 00156 # Initialise checkboxes 00157 $this->checks = array( 00158 array( $this->typeLabels['check-label'], 'wpHidePrimary', 00159 RevisionDeleter::getRevdelConstant( $this->typeName ) 00160 ), 00161 array( 'revdelete-hide-comment', 'wpHideComment', Revision::DELETED_COMMENT ), 00162 array( 'revdelete-hide-user', 'wpHideUser', Revision::DELETED_USER ) 00163 ); 00164 if ( $user->isAllowed( 'suppressrevision' ) ) { 00165 $this->checks[] = array( 'revdelete-hide-restricted', 00166 'wpHideRestricted', Revision::DELETED_RESTRICTED ); 00167 } 00168 00169 # Either submit or create our form 00170 if ( $this->mIsAllowed && $this->submitClicked ) { 00171 $this->submit( $request ); 00172 } else { 00173 $this->showForm(); 00174 } 00175 00176 $qc = $this->getLogQueryCond(); 00177 # Show relevant lines from the deletion log 00178 $deleteLogPage = new LogPage( 'delete' ); 00179 $output->addHTML( "<h2>" . $deleteLogPage->getName()->escaped() . "</h2>\n" ); 00180 LogEventsList::showLogExtract( $output, 'delete', 00181 $this->targetObj, '', array( 'lim' => 25, 'conds' => $qc ) ); 00182 # Show relevant lines from the suppression log 00183 if ( $user->isAllowed( 'suppressionlog' ) ) { 00184 $suppressLogPage = new LogPage( 'suppress' ); 00185 $output->addHTML( "<h2>" . $suppressLogPage->getName()->escaped() . "</h2>\n" ); 00186 LogEventsList::showLogExtract( $output, 'suppress', 00187 $this->targetObj, '', array( 'lim' => 25, 'conds' => $qc ) ); 00188 } 00189 } 00190 00194 protected function showConvenienceLinks() { 00195 # Give a link to the logs/hist for this page 00196 if ( $this->targetObj ) { 00197 $links = array(); 00198 $links[] = Linker::linkKnown( 00199 SpecialPage::getTitleFor( 'Log' ), 00200 $this->msg( 'viewpagelogs' )->escaped(), 00201 array(), 00202 array( 'page' => $this->targetObj->getPrefixedText() ) 00203 ); 00204 if ( !$this->targetObj->isSpecialPage() ) { 00205 # Give a link to the page history 00206 $links[] = Linker::linkKnown( 00207 $this->targetObj, 00208 $this->msg( 'pagehist' )->escaped(), 00209 array(), 00210 array( 'action' => 'history' ) 00211 ); 00212 # Link to deleted edits 00213 if ( $this->getUser()->isAllowed( 'undelete' ) ) { 00214 $undelete = SpecialPage::getTitleFor( 'Undelete' ); 00215 $links[] = Linker::linkKnown( 00216 $undelete, 00217 $this->msg( 'deletedhist' )->escaped(), 00218 array(), 00219 array( 'target' => $this->targetObj->getPrefixedDBkey() ) 00220 ); 00221 } 00222 } 00223 # Logs themselves don't have histories or archived revisions 00224 $this->getOutput()->addSubtitle( $this->getLanguage()->pipeList( $links ) ); 00225 } 00226 } 00227 00232 protected function getLogQueryCond() { 00233 $conds = array(); 00234 // Revision delete logs for these item 00235 $conds['log_type'] = array( 'delete', 'suppress' ); 00236 $conds['log_action'] = $this->getList()->getLogAction(); 00237 $conds['ls_field'] = RevisionDeleter::getRelationType( $this->typeName ); 00238 $conds['ls_value'] = $this->ids; 00239 return $conds; 00240 } 00241 00246 protected function tryShowFile( $archiveName ) { 00247 $repo = RepoGroup::singleton()->getLocalRepo(); 00248 $oimage = $repo->newFromArchiveName( $this->targetObj, $archiveName ); 00249 $oimage->load(); 00250 // Check if user is allowed to see this file 00251 if ( !$oimage->exists() ) { 00252 $this->getOutput()->addWikiMsg( 'revdelete-no-file' ); 00253 return; 00254 } 00255 $user = $this->getUser(); 00256 if ( !$oimage->userCan( File::DELETED_FILE, $user ) ) { 00257 if ( $oimage->isDeleted( File::DELETED_RESTRICTED ) ) { 00258 throw new PermissionsError( 'suppressrevision' ); 00259 } else { 00260 throw new PermissionsError( 'deletedtext' ); 00261 } 00262 } 00263 if ( !$user->matchEditToken( $this->token, $archiveName ) ) { 00264 $lang = $this->getLanguage(); 00265 $this->getOutput()->addWikiMsg( 'revdelete-show-file-confirm', 00266 $this->targetObj->getText(), 00267 $lang->userDate( $oimage->getTimestamp(), $user ), 00268 $lang->userTime( $oimage->getTimestamp(), $user ) ); 00269 $this->getOutput()->addHTML( 00270 Xml::openElement( 'form', array( 00271 'method' => 'POST', 00272 'action' => $this->getTitle()->getLocalURL( array( 00273 'target' => $this->targetObj->getPrefixedDBkey(), 00274 'file' => $archiveName, 00275 'token' => $user->getEditToken( $archiveName ), 00276 ) ) 00277 ) 00278 ) . 00279 Xml::submitButton( $this->msg( 'revdelete-show-file-submit' )->text() ) . 00280 '</form>' 00281 ); 00282 return; 00283 } 00284 $this->getOutput()->disable(); 00285 # We mustn't allow the output to be Squid cached, otherwise 00286 # if an admin previews a deleted image, and it's cached, then 00287 # a user without appropriate permissions can toddle off and 00288 # nab the image, and Squid will serve it 00289 $this->getRequest()->response()->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' ); 00290 $this->getRequest()->response()->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' ); 00291 $this->getRequest()->response()->header( 'Pragma: no-cache' ); 00292 00293 $key = $oimage->getStorageKey(); 00294 $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key; 00295 $repo->streamFile( $path ); 00296 } 00297 00301 protected function getList() { 00302 if ( is_null( $this->list ) ) { 00303 $this->list = RevisionDeleter::createList( 00304 $this->typeName, $this->getContext(), $this->targetObj, $this->ids 00305 ); 00306 } 00307 return $this->list; 00308 } 00309 00314 protected function showForm() { 00315 $UserAllowed = true; 00316 00317 if ( $this->typeName == 'logging' ) { 00318 $this->getOutput()->addWikiMsg( 'logdelete-selected', $this->getLanguage()->formatNum( count( $this->ids ) ) ); 00319 } else { 00320 $this->getOutput()->addWikiMsg( 'revdelete-selected', 00321 $this->targetObj->getPrefixedText(), count( $this->ids ) ); 00322 } 00323 00324 $this->getOutput()->addHTML( "<ul>" ); 00325 00326 $numRevisions = 0; 00327 // Live revisions... 00328 $list = $this->getList(); 00329 for ( $list->reset(); $list->current(); $list->next() ) { 00330 $item = $list->current(); 00331 if ( !$item->canView() ) { 00332 if ( !$this->submitClicked ) { 00333 throw new PermissionsError( 'suppressrevision' ); 00334 } 00335 $UserAllowed = false; 00336 } 00337 $numRevisions++; 00338 $this->getOutput()->addHTML( $item->getHTML() ); 00339 } 00340 00341 if ( !$numRevisions ) { 00342 throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' ); 00343 } 00344 00345 $this->getOutput()->addHTML( "</ul>" ); 00346 // Explanation text 00347 $this->addUsageText(); 00348 00349 // Normal sysops can always see what they did, but can't always change it 00350 if ( !$UserAllowed ) { 00351 return; 00352 } 00353 00354 // Show form if the user can submit 00355 if ( $this->mIsAllowed ) { 00356 $out = Xml::openElement( 'form', array( 'method' => 'post', 00357 'action' => $this->getTitle()->getLocalURL( array( 'action' => 'submit' ) ), 00358 'id' => 'mw-revdel-form-revisions' ) ) . 00359 Xml::fieldset( $this->msg( 'revdelete-legend' )->text() ) . 00360 $this->buildCheckBoxes() . 00361 Xml::openElement( 'table' ) . 00362 "<tr>\n" . 00363 '<td class="mw-label">' . 00364 Xml::label( $this->msg( 'revdelete-log' )->text(), 'wpRevDeleteReasonList' ) . 00365 '</td>' . 00366 '<td class="mw-input">' . 00367 Xml::listDropDown( 'wpRevDeleteReasonList', 00368 $this->msg( 'revdelete-reason-dropdown' )->inContentLanguage()->text(), 00369 $this->msg( 'revdelete-reasonotherlist' )->inContentLanguage()->text(), 00370 $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' ), 'wpReasonDropDown', 1 00371 ) . 00372 '</td>' . 00373 "</tr><tr>\n" . 00374 '<td class="mw-label">' . 00375 Xml::label( $this->msg( 'revdelete-otherreason' )->text(), 'wpReason' ) . 00376 '</td>' . 00377 '<td class="mw-input">' . 00378 Xml::input( 'wpReason', 60, $this->otherReason, array( 'id' => 'wpReason', 'maxlength' => 100 ) ) . 00379 '</td>' . 00380 "</tr><tr>\n" . 00381 '<td></td>' . 00382 '<td class="mw-submit">' . 00383 Xml::submitButton( $this->msg( 'revdelete-submit', $numRevisions )->text(), 00384 array( 'name' => 'wpSubmit' ) ) . 00385 '</td>' . 00386 "</tr>\n" . 00387 Xml::closeElement( 'table' ) . 00388 Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) . 00389 Html::hidden( 'target', $this->targetObj->getPrefixedText() ) . 00390 Html::hidden( 'type', $this->typeName ) . 00391 Html::hidden( 'ids', implode( ',', $this->ids ) ) . 00392 Xml::closeElement( 'fieldset' ) . "\n"; 00393 } else { 00394 $out = ''; 00395 } 00396 if ( $this->mIsAllowed ) { 00397 $out .= Xml::closeElement( 'form' ) . "\n"; 00398 // Show link to edit the dropdown reasons 00399 if ( $this->getUser()->isAllowed( 'editinterface' ) ) { 00400 $title = Title::makeTitle( NS_MEDIAWIKI, 'Revdelete-reason-dropdown' ); 00401 $link = Linker::link( 00402 $title, 00403 $this->msg( 'revdelete-edit-reasonlist' )->escaped(), 00404 array(), 00405 array( 'action' => 'edit' ) 00406 ); 00407 $out .= Xml::tags( 'p', array( 'class' => 'mw-revdel-editreasons' ), $link ) . "\n"; 00408 } 00409 } 00410 $this->getOutput()->addHTML( $out ); 00411 } 00412 00417 protected function addUsageText() { 00418 $this->getOutput()->addWikiMsg( 'revdelete-text' ); 00419 if ( $this->getUser()->isAllowed( 'suppressrevision' ) ) { 00420 $this->getOutput()->addWikiMsg( 'revdelete-suppress-text' ); 00421 } 00422 if ( $this->mIsAllowed ) { 00423 $this->getOutput()->addWikiMsg( 'revdelete-confirm' ); 00424 } 00425 } 00426 00430 protected function buildCheckBoxes() { 00431 $html = '<table>'; 00432 // If there is just one item, use checkboxes 00433 $list = $this->getList(); 00434 if ( $list->length() == 1 ) { 00435 $list->reset(); 00436 $bitfield = $list->current()->getBits(); // existing field 00437 if ( $this->submitClicked ) { 00438 $bitfield = $this->extractBitfield( $this->extractBitParams(), $bitfield ); 00439 } 00440 foreach ( $this->checks as $item ) { 00441 list( $message, $name, $field ) = $item; 00442 $innerHTML = Xml::checkLabel( $this->msg( $message )->text(), $name, $name, $bitfield & $field ); 00443 if ( $field == Revision::DELETED_RESTRICTED ) { 00444 $innerHTML = "<b>$innerHTML</b>"; 00445 } 00446 $line = Xml::tags( 'td', array( 'class' => 'mw-input' ), $innerHTML ); 00447 $html .= "<tr>$line</tr>\n"; 00448 } 00449 // Otherwise, use tri-state radios 00450 } else { 00451 $html .= '<tr>'; 00452 $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-same' )->escaped() . '</th>'; 00453 $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-unset' )->escaped() . '</th>'; 00454 $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-set' )->escaped() . '</th>'; 00455 $html .= "<th></th></tr>\n"; 00456 foreach ( $this->checks as $item ) { 00457 list( $message, $name, $field ) = $item; 00458 // If there are several items, use third state by default... 00459 if ( $this->submitClicked ) { 00460 $selected = $this->getRequest()->getInt( $name, 0 /* unchecked */ ); 00461 } else { 00462 $selected = -1; // use existing field 00463 } 00464 $line = '<td class="mw-revdel-checkbox">' . Xml::radio( $name, -1, $selected == -1 ) . '</td>'; 00465 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 0, $selected == 0 ) . '</td>'; 00466 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 1, $selected == 1 ) . '</td>'; 00467 $label = $this->msg( $message )->escaped(); 00468 if ( $field == Revision::DELETED_RESTRICTED ) { 00469 $label = "<b>$label</b>"; 00470 } 00471 $line .= "<td>$label</td>"; 00472 $html .= "<tr>$line</tr>\n"; 00473 } 00474 } 00475 00476 $html .= '</table>'; 00477 return $html; 00478 } 00479 00485 protected function submit() { 00486 # Check edit token on submission 00487 $token = $this->getRequest()->getVal( 'wpEditToken' ); 00488 if ( $this->submitClicked && !$this->getUser()->matchEditToken( $token ) ) { 00489 $this->getOutput()->addWikiMsg( 'sessionfailure' ); 00490 return false; 00491 } 00492 $bitParams = $this->extractBitParams(); 00493 $listReason = $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' ); // from dropdown 00494 $comment = $listReason; 00495 if ( $comment != 'other' && $this->otherReason != '' ) { 00496 // Entry from drop down menu + additional comment 00497 $comment .= $this->msg( 'colon-separator' )->inContentLanguage()->text() . $this->otherReason; 00498 } elseif ( $comment == 'other' ) { 00499 $comment = $this->otherReason; 00500 } 00501 # Can the user set this field? 00502 if ( $bitParams[Revision::DELETED_RESTRICTED] == 1 && !$this->getUser()->isAllowed( 'suppressrevision' ) ) { 00503 throw new PermissionsError( 'suppressrevision' ); 00504 } 00505 # If the save went through, go to success message... 00506 $status = $this->save( $bitParams, $comment, $this->targetObj ); 00507 if ( $status->isGood() ) { 00508 $this->success(); 00509 return true; 00510 # ...otherwise, bounce back to form... 00511 } else { 00512 $this->failure( $status ); 00513 } 00514 return false; 00515 } 00516 00520 protected function success() { 00521 $this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) ); 00522 $this->getOutput()->wrapWikiMsg( "<span class=\"success\">\n$1\n</span>", $this->typeLabels['success'] ); 00523 $this->list->reloadFromMaster(); 00524 $this->showForm(); 00525 } 00526 00530 protected function failure( $status ) { 00531 $this->getOutput()->setPageTitle( $this->msg( 'actionfailed' ) ); 00532 $this->getOutput()->addWikiText( $status->getWikiText( $this->typeLabels['failure'] ) ); 00533 $this->showForm(); 00534 } 00535 00541 protected function extractBitParams() { 00542 $bitfield = array(); 00543 foreach ( $this->checks as $item ) { 00544 list( /* message */, $name, $field ) = $item; 00545 $val = $this->getRequest()->getInt( $name, 0 /* unchecked */ ); 00546 if ( $val < -1 || $val > 1 ) { 00547 $val = -1; // -1 for existing value 00548 } 00549 $bitfield[$field] = $val; 00550 } 00551 if ( !isset( $bitfield[Revision::DELETED_RESTRICTED] ) ) { 00552 $bitfield[Revision::DELETED_RESTRICTED] = 0; 00553 } 00554 return $bitfield; 00555 } 00556 00564 public static function extractBitfield( $bitPars, $oldfield ) { 00565 return RevisionDeleter::extractBitfield( $bitPars, $oldfield ); 00566 } 00567 00575 protected function save( $bitfield, $reason, $title ) { 00576 return $this->getList()->setVisibility( 00577 array( 'value' => $bitfield, 'comment' => $reason ) 00578 ); 00579 } 00580 00581 protected function getGroupName() { 00582 return 'pagetools'; 00583 } 00584 }