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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 16 | * |
| 17 | * @file |
| 18 | * @ingroup Actions |
| 19 | */ |
| 20 | |
| 21 | use MediaWiki\Cache\BacklinkCacheFactory; |
| 22 | use MediaWiki\CommentStore\CommentStore; |
| 23 | use MediaWiki\Context\IContextSource; |
| 24 | use MediaWiki\Html\Html; |
| 25 | use MediaWiki\HTMLForm\HTMLForm; |
| 26 | use MediaWiki\Linker\LinkRenderer; |
| 27 | use MediaWiki\MainConfigNames; |
| 28 | use MediaWiki\MediaWikiServices; |
| 29 | use MediaWiki\Message\Message; |
| 30 | use MediaWiki\Page\DeletePage; |
| 31 | use MediaWiki\Page\DeletePageFactory; |
| 32 | use MediaWiki\Revision\RevisionRecord; |
| 33 | use MediaWiki\Session\CsrfTokenSet; |
| 34 | use MediaWiki\Status\Status; |
| 35 | use MediaWiki\Title\NamespaceInfo; |
| 36 | use MediaWiki\Title\TitleFactory; |
| 37 | use MediaWiki\Title\TitleFormatter; |
| 38 | use MediaWiki\User\Options\UserOptionsLookup; |
| 39 | use MediaWiki\Watchlist\WatchlistManager; |
| 40 | use Wikimedia\Rdbms\IConnectionProvider; |
| 41 | use Wikimedia\Rdbms\ReadOnlyMode; |
| 42 | use Wikimedia\RequestTimeout\TimeoutException; |
| 43 | |
| 44 | /** |
| 45 | * Handle page deletion |
| 46 | * |
| 47 | * @ingroup Actions |
| 48 | */ |
| 49 | class DeleteAction extends FormAction { |
| 50 | |
| 51 | /** |
| 52 | * Constants used to localize form fields |
| 53 | */ |
| 54 | protected const MSG_REASON_DROPDOWN = 'reason-dropdown'; |
| 55 | protected const MSG_REASON_DROPDOWN_SUPPRESS = 'reason-dropdown-suppress'; |
| 56 | protected const MSG_REASON_DROPDOWN_OTHER = 'reason-dropdown-other'; |
| 57 | protected const MSG_COMMENT = 'comment'; |
| 58 | protected const MSG_REASON_OTHER = 'reason-other'; |
| 59 | protected const MSG_SUBMIT = 'submit'; |
| 60 | protected const MSG_LEGEND = 'legend'; |
| 61 | protected const MSG_EDIT_REASONS = 'edit-reasons'; |
| 62 | protected const MSG_EDIT_REASONS_SUPPRESS = 'edit-reasons-suppress'; |
| 63 | |
| 64 | protected WatchlistManager $watchlistManager; |
| 65 | protected LinkRenderer $linkRenderer; |
| 66 | private BacklinkCacheFactory $backlinkCacheFactory; |
| 67 | protected ReadOnlyMode $readOnlyMode; |
| 68 | protected UserOptionsLookup $userOptionsLookup; |
| 69 | private DeletePageFactory $deletePageFactory; |
| 70 | private int $deleteRevisionsLimit; |
| 71 | private NamespaceInfo $namespaceInfo; |
| 72 | private TitleFormatter $titleFormatter; |
| 73 | private TitleFactory $titleFactory; |
| 74 | |
| 75 | private IConnectionProvider $dbProvider; |
| 76 | |
| 77 | /** |
| 78 | * @inheritDoc |
| 79 | */ |
| 80 | public function __construct( Article $article, IContextSource $context ) { |
| 81 | parent::__construct( $article, $context ); |
| 82 | $services = MediaWikiServices::getInstance(); |
| 83 | $this->watchlistManager = $services->getWatchlistManager(); |
| 84 | $this->linkRenderer = $services->getLinkRenderer(); |
| 85 | $this->backlinkCacheFactory = $services->getBacklinkCacheFactory(); |
| 86 | $this->readOnlyMode = $services->getReadOnlyMode(); |
| 87 | $this->userOptionsLookup = $services->getUserOptionsLookup(); |
| 88 | $this->deletePageFactory = $services->getDeletePageFactory(); |
| 89 | $this->deleteRevisionsLimit = $services->getMainConfig()->get( MainConfigNames::DeleteRevisionsLimit ); |
| 90 | $this->namespaceInfo = $services->getNamespaceInfo(); |
| 91 | $this->titleFormatter = $services->getTitleFormatter(); |
| 92 | $this->titleFactory = $services->getTitleFactory(); |
| 93 | $this->dbProvider = $services->getConnectionProvider(); |
| 94 | } |
| 95 | |
| 96 | public function getName() { |
| 97 | return 'delete'; |
| 98 | } |
| 99 | |
| 100 | public function onSubmit( $data ) { |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | public function onSuccess() { |
| 105 | return false; |
| 106 | } |
| 107 | |
| 108 | protected function usesOOUI() { |
| 109 | return true; |
| 110 | } |
| 111 | |
| 112 | protected function getPageTitle() { |
| 113 | $title = $this->getTitle(); |
| 114 | return $this->msg( 'delete-confirm' )->plaintextParams( $title->getPrefixedText() ); |
| 115 | } |
| 116 | |
| 117 | public function getRestriction() { |
| 118 | return 'delete'; |
| 119 | } |
| 120 | |
| 121 | protected function alterForm( HTMLForm $form ) { |
| 122 | $title = $this->getTitle(); |
| 123 | $form |
| 124 | ->setAction( $this->getFormAction() ) |
| 125 | ->setWrapperLegendMsg( $this->getFormMsg( self::MSG_LEGEND ) ) |
| 126 | ->setWrapperAttributes( [ 'id' => 'mw-delete-table' ] ) |
| 127 | ->suppressDefaultSubmit() |
| 128 | ->setId( 'deleteconfirm' ) |
| 129 | ->setTokenSalt( [ 'delete', $title->getPrefixedText() ] ); |
| 130 | } |
| 131 | |
| 132 | public function show() { |
| 133 | $this->setHeaders(); |
| 134 | $this->useTransactionalTimeLimit(); |
| 135 | $this->addHelpLink( 'Help:Sysop deleting and undeleting' ); |
| 136 | |
| 137 | // This will throw exceptions if there's a problem |
| 138 | $this->checkCanExecute( $this->getUser() ); |
| 139 | |
| 140 | $this->tempDelete(); |
| 141 | } |
| 142 | |
| 143 | protected function tempDelete() { |
| 144 | $article = $this->getArticle(); |
| 145 | $title = $this->getTitle(); |
| 146 | $context = $this->getContext(); |
| 147 | $user = $context->getUser(); |
| 148 | $request = $context->getRequest(); |
| 149 | $outputPage = $context->getOutput(); |
| 150 | |
| 151 | # Better double-check that it hasn't been deleted yet! |
| 152 | $article->getPage()->loadPageData( |
| 153 | $request->wasPosted() ? IDBAccessObject::READ_LATEST : IDBAccessObject::READ_NORMAL |
| 154 | ); |
| 155 | if ( !$article->getPage()->exists() ) { |
| 156 | $outputPage->setPageTitleMsg( |
| 157 | $context->msg( 'cannotdelete-title' )->plaintextParams( $title->getPrefixedText() ) |
| 158 | ); |
| 159 | $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>", |
| 160 | [ 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) ] |
| 161 | ); |
| 162 | $this->showLogEntries(); |
| 163 | |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | $hasValidCsrfToken = $this->getContext() |
| 168 | ->getCsrfTokenSet() |
| 169 | ->matchTokenField( |
| 170 | CsrfTokenSet::DEFAULT_FIELD_NAME, |
| 171 | [ 'delete', $title->getPrefixedText() ] |
| 172 | ); |
| 173 | |
| 174 | # If we are not processing the results of the deletion confirmation dialog, show the form |
| 175 | if ( !$request->wasPosted() || !$hasValidCsrfToken ) { |
| 176 | $this->tempConfirmDelete(); |
| 177 | return; |
| 178 | } |
| 179 | |
| 180 | # Check to make sure the page has not been edited while the deletion was being confirmed |
| 181 | if ( $article->getRevIdFetched() !== $request->getIntOrNull( 'wpConfirmationRevId' ) ) { |
| 182 | $this->showEditedWarning(); |
| 183 | $this->tempConfirmDelete(); |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | # Flag to hide all contents of the archived revisions |
| 188 | $suppress = $request->getCheck( 'wpSuppress' ) && |
| 189 | $context->getAuthority()->isAllowed( 'suppressrevision' ); |
| 190 | |
| 191 | $context = $this->getContext(); |
| 192 | $deletePage = $this->deletePageFactory->newDeletePage( |
| 193 | $this->getWikiPage(), |
| 194 | $context->getAuthority() |
| 195 | ); |
| 196 | $shouldDeleteTalk = $request->getCheck( 'wpDeleteTalk' ) && |
| 197 | $deletePage->canProbablyDeleteAssociatedTalk()->isGood(); |
| 198 | $deletePage->setDeleteAssociatedTalk( $shouldDeleteTalk ); |
| 199 | $status = $deletePage |
| 200 | ->setSuppress( $suppress ) |
| 201 | ->deleteIfAllowed( $this->getDeleteReason() ); |
| 202 | |
| 203 | if ( $status->isOK() ) { |
| 204 | $outputPage->setPageTitleMsg( $this->msg( 'actioncomplete' ) ); |
| 205 | $outputPage->setRobotPolicy( 'noindex,nofollow' ); |
| 206 | |
| 207 | if ( !$status->isGood() ) { |
| 208 | // If the page (and/or its talk) couldn't be found (e.g. because it was deleted in another request), |
| 209 | // let the user know. |
| 210 | $outputPage->addHTML( |
| 211 | Html::warningBox( |
| 212 | $outputPage->parseAsContent( |
| 213 | Status::wrap( $status )->getWikiText( |
| 214 | false, |
| 215 | false, |
| 216 | $context->getLanguage() |
| 217 | ) |
| 218 | ) |
| 219 | ) |
| 220 | ); |
| 221 | } |
| 222 | |
| 223 | $this->showSuccessMessages( |
| 224 | $deletePage->getSuccessfulDeletionsIDs(), |
| 225 | $deletePage->deletionsWereScheduled() |
| 226 | ); |
| 227 | |
| 228 | if ( !$status->isGood() ) { |
| 229 | $this->showLogEntries(); |
| 230 | } |
| 231 | $outputPage->returnToMain(); |
| 232 | } else { |
| 233 | $outputPage->setPageTitleMsg( |
| 234 | $this->msg( 'cannotdelete-title' )->plaintextParams( $this->getTitle()->getPrefixedText() ) |
| 235 | ); |
| 236 | |
| 237 | $outputPage->wrapWikiTextAsInterface( |
| 238 | 'error mw-error-cannotdelete', |
| 239 | Status::wrap( $status )->getWikiText( false, false, $context->getLanguage() ) |
| 240 | ); |
| 241 | $this->showLogEntries(); |
| 242 | } |
| 243 | |
| 244 | $this->watchlistManager->setWatch( $request->getCheck( 'wpWatch' ), $context->getAuthority(), $title ); |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Display success messages |
| 249 | * |
| 250 | * @param array $deleted |
| 251 | * @param array $scheduled |
| 252 | * @return void |
| 253 | */ |
| 254 | private function showSuccessMessages( array $deleted, array $scheduled ): void { |
| 255 | $outputPage = $this->getContext()->getOutput(); |
| 256 | $loglink = '[[Special:Log/delete|' . $this->msg( 'deletionlog' )->text() . ']]'; |
| 257 | $pageBaseDisplayTitle = wfEscapeWikiText( $this->getTitle()->getPrefixedText() ); |
| 258 | $pageTalkDisplayTitle = wfEscapeWikiText( $this->titleFormatter->getPrefixedText( |
| 259 | $this->namespaceInfo->getTalkPage( $this->getTitle() ) |
| 260 | ) ); |
| 261 | |
| 262 | $deletedTalk = $deleted[DeletePage::PAGE_TALK] ?? false; |
| 263 | $deletedBase = $deleted[DeletePage::PAGE_BASE]; |
| 264 | $scheduledTalk = $scheduled[DeletePage::PAGE_TALK] ?? false; |
| 265 | $scheduledBase = $scheduled[DeletePage::PAGE_BASE]; |
| 266 | |
| 267 | if ( $deletedBase && $deletedTalk ) { |
| 268 | $outputPage->addWikiMsg( 'deleted-page-and-talkpage', |
| 269 | $pageBaseDisplayTitle, |
| 270 | $pageTalkDisplayTitle, |
| 271 | $loglink ); |
| 272 | } elseif ( $deletedBase ) { |
| 273 | $outputPage->addWikiMsg( 'deletedtext', $pageBaseDisplayTitle, $loglink ); |
| 274 | } elseif ( $deletedTalk ) { |
| 275 | $outputPage->addWikiMsg( 'deletedtext', $pageTalkDisplayTitle, $loglink ); |
| 276 | } |
| 277 | |
| 278 | // run hook if article was deleted |
| 279 | if ( $deletedBase ) { |
| 280 | $this->getHookRunner()->onArticleDeleteAfterSuccess( $this->getTitle(), $outputPage ); |
| 281 | } |
| 282 | |
| 283 | if ( $scheduledBase ) { |
| 284 | $outputPage->addWikiMsg( 'delete-scheduled', $pageBaseDisplayTitle ); |
| 285 | } |
| 286 | |
| 287 | if ( $scheduledTalk ) { |
| 288 | $outputPage->addWikiMsg( 'delete-scheduled', $pageTalkDisplayTitle ); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | protected function showEditedWarning(): void { |
| 293 | $this->getOutput()->addHTML( |
| 294 | Html::warningBox( $this->getContext()->msg( 'editedwhiledeleting' )->parse() ) |
| 295 | ); |
| 296 | } |
| 297 | |
| 298 | private function showHistoryWarnings(): void { |
| 299 | $context = $this->getContext(); |
| 300 | $title = $this->getTitle(); |
| 301 | |
| 302 | // The following can use the real revision count as this is only being shown for users |
| 303 | // that can delete this page. |
| 304 | // This, as a side-effect, also makes sure that the following query isn't being run for |
| 305 | // pages with a larger history, unless the user has the 'bigdelete' right |
| 306 | // (and is about to delete this page). |
| 307 | $revisions = (int)$this->dbProvider->getReplicaDatabase()->newSelectQueryBuilder() |
| 308 | ->select( 'COUNT(rev_page)' ) |
| 309 | ->from( 'revision' ) |
| 310 | ->where( [ 'rev_page' => $title->getArticleID() ] ) |
| 311 | ->caller( __METHOD__ ) |
| 312 | ->fetchField(); |
| 313 | |
| 314 | // @todo i18n issue/patchwork message |
| 315 | $context->getOutput()->addHTML( |
| 316 | '<strong class="mw-delete-warning-revisions">' . |
| 317 | $context->msg( 'historywarning' )->numParams( $revisions )->parse() . |
| 318 | $context->msg( 'word-separator' )->escaped() . $this->linkRenderer->makeKnownLink( |
| 319 | $title, |
| 320 | $context->msg( 'history' )->text(), |
| 321 | [], |
| 322 | [ 'action' => 'history' ] ) . |
| 323 | '</strong>' |
| 324 | ); |
| 325 | |
| 326 | if ( $title->isBigDeletion() ) { |
| 327 | $context->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n", |
| 328 | [ |
| 329 | 'delete-warning-toobig', |
| 330 | $context->getLanguage()->formatNum( $this->deleteRevisionsLimit ) |
| 331 | ] |
| 332 | ); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | protected function showFormWarnings(): void { |
| 337 | $this->showBacklinksWarning(); |
| 338 | $this->showSubpagesWarnings(); |
| 339 | } |
| 340 | |
| 341 | private function showBacklinksWarning(): void { |
| 342 | $backlinkCache = $this->backlinkCacheFactory->getBacklinkCache( $this->getTitle() ); |
| 343 | if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) { |
| 344 | $this->getOutput()->addHTML( |
| 345 | Html::warningBox( |
| 346 | $this->msg( 'deleting-backlinks-warning' )->parse(), |
| 347 | 'plainlinks' |
| 348 | ) |
| 349 | ); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | protected function showSubpagesWarnings(): void { |
| 354 | $title = $this->getTitle(); |
| 355 | $subpageCount = count( $title->getSubpages( 51 ) ); |
| 356 | if ( $subpageCount ) { |
| 357 | $this->getOutput()->addHTML( |
| 358 | Html::warningBox( |
| 359 | $this->msg( 'deleting-subpages-warning' )->numParams( $subpageCount )->parse(), |
| 360 | 'plainlinks' |
| 361 | ) |
| 362 | ); |
| 363 | } |
| 364 | |
| 365 | if ( !$title->isTalkPage() ) { |
| 366 | $talkPageTitle = $this->titleFactory->newFromLinkTarget( $this->namespaceInfo->getTalkPage( $title ) ); |
| 367 | $subpageCount = count( $talkPageTitle->getSubpages( 51 ) ); |
| 368 | if ( $subpageCount ) { |
| 369 | $this->getOutput()->addHTML( |
| 370 | Html::warningBox( |
| 371 | $this->msg( 'deleting-talkpage-subpages-warning' )->numParams( $subpageCount )->parse(), |
| 372 | 'plainlinks' |
| 373 | ) |
| 374 | ); |
| 375 | } |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | private function tempConfirmDelete(): void { |
| 380 | $this->prepareOutputForForm(); |
| 381 | $context = $this->getContext(); |
| 382 | $outputPage = $context->getOutput(); |
| 383 | $article = $this->getArticle(); |
| 384 | |
| 385 | $reason = $this->getDefaultReason(); |
| 386 | |
| 387 | // oldid is set to the revision id of the page when the page was displayed. |
| 388 | // Check to make sure the page has not been edited between loading the page |
| 389 | // and clicking the delete link |
| 390 | $oldid = $context->getRequest()->getIntOrNull( 'oldid' ); |
| 391 | if ( $oldid !== null && $oldid !== $article->getRevIdFetched() ) { |
| 392 | $this->showEditedWarning(); |
| 393 | } |
| 394 | // If the page has a history, insert a warning |
| 395 | if ( $this->pageHasHistory() ) { |
| 396 | $this->showHistoryWarnings(); |
| 397 | } |
| 398 | $this->showFormWarnings(); |
| 399 | |
| 400 | $outputPage->addWikiMsg( 'confirmdeletetext' ); |
| 401 | |
| 402 | // FIXME: Replace (or at least rename) this hook |
| 403 | $this->getHookRunner()->onArticleConfirmDelete( $this->getArticle(), $outputPage, $reason ); |
| 404 | |
| 405 | $form = $this->getForm(); |
| 406 | if ( $form->show() ) { |
| 407 | $this->onSuccess(); |
| 408 | } |
| 409 | |
| 410 | $this->showEditReasonsLinks(); |
| 411 | $this->showLogEntries(); |
| 412 | } |
| 413 | |
| 414 | protected function showEditReasonsLinks(): void { |
| 415 | if ( $this->getAuthority()->isAllowed( 'editinterface' ) ) { |
| 416 | $link = ''; |
| 417 | if ( $this->isSuppressionAllowed() ) { |
| 418 | $link .= $this->linkRenderer->makeKnownLink( |
| 419 | $this->getFormMsg( self::MSG_REASON_DROPDOWN_SUPPRESS )->inContentLanguage()->getTitle(), |
| 420 | $this->getFormMsg( self::MSG_EDIT_REASONS_SUPPRESS )->text(), |
| 421 | [], |
| 422 | [ 'action' => 'edit' ] |
| 423 | ); |
| 424 | $link .= $this->msg( 'pipe-separator' )->escaped(); |
| 425 | } |
| 426 | $link .= $this->linkRenderer->makeKnownLink( |
| 427 | $this->getFormMsg( self::MSG_REASON_DROPDOWN )->inContentLanguage()->getTitle(), |
| 428 | $this->getFormMsg( self::MSG_EDIT_REASONS )->text(), |
| 429 | [], |
| 430 | [ 'action' => 'edit' ] |
| 431 | ); |
| 432 | $this->getOutput()->addHTML( '<p class="mw-delete-editreasons">' . $link . '</p>' ); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | /** |
| 437 | * @return bool |
| 438 | */ |
| 439 | protected function isSuppressionAllowed(): bool { |
| 440 | return $this->getAuthority()->isAllowed( 'suppressrevision' ); |
| 441 | } |
| 442 | |
| 443 | /** |
| 444 | * @return array |
| 445 | */ |
| 446 | protected function getFormFields(): array { |
| 447 | $user = $this->getUser(); |
| 448 | $title = $this->getTitle(); |
| 449 | $article = $this->getArticle(); |
| 450 | |
| 451 | $fields = []; |
| 452 | |
| 453 | $dropdownReason = $this->getFormMsg( self::MSG_REASON_DROPDOWN )->inContentLanguage()->text(); |
| 454 | // Add additional specific reasons for suppress |
| 455 | if ( $this->isSuppressionAllowed() ) { |
| 456 | $dropdownReason .= "\n" . $this->getFormMsg( self::MSG_REASON_DROPDOWN_SUPPRESS ) |
| 457 | ->inContentLanguage()->text(); |
| 458 | } |
| 459 | |
| 460 | $options = Html::listDropdownOptions( |
| 461 | $dropdownReason, |
| 462 | [ 'other' => $this->getFormMsg( self::MSG_REASON_DROPDOWN_OTHER )->text() ] |
| 463 | ); |
| 464 | |
| 465 | $fields['DeleteReasonList'] = [ |
| 466 | 'type' => 'select', |
| 467 | 'id' => 'wpDeleteReasonList', |
| 468 | 'tabindex' => 1, |
| 469 | 'infusable' => true, |
| 470 | 'options' => $options, |
| 471 | 'label' => $this->getFormMsg( self::MSG_COMMENT )->text(), |
| 472 | ]; |
| 473 | |
| 474 | // HTML maxlength uses "UTF-16 code units", which means that characters outside BMP |
| 475 | // (e.g. emojis) count for two each. This limit is overridden in JS to instead count |
| 476 | // Unicode codepoints. |
| 477 | $fields['Reason'] = [ |
| 478 | 'type' => 'text', |
| 479 | 'id' => 'wpReason', |
| 480 | 'tabindex' => 2, |
| 481 | 'maxlength' => CommentStore::COMMENT_CHARACTER_LIMIT, |
| 482 | 'infusable' => true, |
| 483 | 'default' => $this->getDefaultReason(), |
| 484 | 'autofocus' => true, |
| 485 | 'label' => $this->getFormMsg( self::MSG_REASON_OTHER )->text(), |
| 486 | ]; |
| 487 | |
| 488 | $delPage = $this->deletePageFactory->newDeletePage( $this->getWikiPage(), $this->getAuthority() ); |
| 489 | if ( $delPage->canProbablyDeleteAssociatedTalk()->isGood() ) { |
| 490 | $fields['DeleteTalk'] = [ |
| 491 | 'type' => 'check', |
| 492 | 'id' => 'wpDeleteTalk', |
| 493 | 'tabindex' => 3, |
| 494 | 'default' => false, |
| 495 | 'label-message' => 'deletepage-deletetalk', |
| 496 | ]; |
| 497 | } |
| 498 | |
| 499 | if ( $user->isRegistered() ) { |
| 500 | $checkWatch = $this->userOptionsLookup->getBoolOption( $user, 'watchdeletion' ) || |
| 501 | $this->watchlistManager->isWatched( $user, $title ); |
| 502 | $fields['Watch'] = [ |
| 503 | 'type' => 'check', |
| 504 | 'id' => 'wpWatch', |
| 505 | 'tabindex' => 4, |
| 506 | 'default' => $checkWatch, |
| 507 | 'label-message' => 'watchthis', |
| 508 | ]; |
| 509 | } |
| 510 | if ( $this->isSuppressionAllowed() ) { |
| 511 | $fields['Suppress'] = [ |
| 512 | 'type' => 'check', |
| 513 | 'id' => 'wpSuppress', |
| 514 | 'tabindex' => 5, |
| 515 | 'default' => false, |
| 516 | 'label-message' => 'revdelete-suppress', |
| 517 | ]; |
| 518 | } |
| 519 | |
| 520 | $fields['ConfirmB'] = [ |
| 521 | 'type' => 'submit', |
| 522 | 'id' => 'wpConfirmB', |
| 523 | 'tabindex' => 6, |
| 524 | 'buttonlabel' => $this->getFormMsg( self::MSG_SUBMIT )->text(), |
| 525 | 'flags' => [ 'primary', 'destructive' ], |
| 526 | ]; |
| 527 | |
| 528 | $fields['ConfirmationRevId'] = [ |
| 529 | 'type' => 'hidden', |
| 530 | 'id' => 'wpConfirmationRevId', |
| 531 | 'default' => $article->getRevIdFetched(), |
| 532 | ]; |
| 533 | |
| 534 | return $fields; |
| 535 | } |
| 536 | |
| 537 | /** |
| 538 | * @return string |
| 539 | */ |
| 540 | protected function getDeleteReason(): string { |
| 541 | $deleteReasonList = $this->getRequest()->getText( 'wpDeleteReasonList', 'other' ); |
| 542 | $deleteReason = $this->getRequest()->getText( 'wpReason' ); |
| 543 | |
| 544 | if ( $deleteReasonList === 'other' ) { |
| 545 | return $deleteReason; |
| 546 | } elseif ( $deleteReason !== '' ) { |
| 547 | // Entry from drop down menu + additional comment |
| 548 | $colonseparator = $this->msg( 'colon-separator' )->inContentLanguage()->text(); |
| 549 | return $deleteReasonList . $colonseparator . $deleteReason; |
| 550 | } else { |
| 551 | return $deleteReasonList; |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | /** |
| 556 | * Show deletion log fragments pertaining to the current page |
| 557 | */ |
| 558 | protected function showLogEntries(): void { |
| 559 | $deleteLogPage = new LogPage( 'delete' ); |
| 560 | $outputPage = $this->getContext()->getOutput(); |
| 561 | $outputPage->addHTML( Html::element( 'h2', [], $deleteLogPage->getName()->text() ) ); |
| 562 | LogEventsList::showLogExtract( $outputPage, 'delete', $this->getTitle() ); |
| 563 | } |
| 564 | |
| 565 | protected function prepareOutputForForm(): void { |
| 566 | $outputPage = $this->getOutput(); |
| 567 | $outputPage->addModules( 'mediawiki.misc-authed-ooui' ); |
| 568 | $outputPage->addModuleStyles( 'mediawiki.action.styles' ); |
| 569 | $outputPage->enableOOUI(); |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * @return string[] |
| 574 | */ |
| 575 | protected function getFormMessages(): array { |
| 576 | return [ |
| 577 | self::MSG_REASON_DROPDOWN => 'deletereason-dropdown', |
| 578 | self::MSG_REASON_DROPDOWN_SUPPRESS => 'deletereason-dropdown-suppress', |
| 579 | self::MSG_REASON_DROPDOWN_OTHER => 'deletereasonotherlist', |
| 580 | self::MSG_COMMENT => 'deletecomment', |
| 581 | self::MSG_REASON_OTHER => 'deleteotherreason', |
| 582 | self::MSG_SUBMIT => 'deletepage-submit', |
| 583 | self::MSG_LEGEND => 'delete-legend', |
| 584 | self::MSG_EDIT_REASONS => 'delete-edit-reasonlist', |
| 585 | self::MSG_EDIT_REASONS_SUPPRESS => 'delete-edit-reasonlist-suppress', |
| 586 | ]; |
| 587 | } |
| 588 | |
| 589 | /** |
| 590 | * @param string $field One of the self::MSG_* constants |
| 591 | * @return Message |
| 592 | */ |
| 593 | protected function getFormMsg( string $field ): Message { |
| 594 | $messages = $this->getFormMessages(); |
| 595 | if ( !isset( $messages[$field] ) ) { |
| 596 | throw new InvalidArgumentException( "Invalid field $field" ); |
| 597 | } |
| 598 | return $this->msg( $messages[$field] ); |
| 599 | } |
| 600 | |
| 601 | /** |
| 602 | * @return string |
| 603 | */ |
| 604 | protected function getFormAction(): string { |
| 605 | return $this->getTitle()->getLocalURL( 'action=delete' ); |
| 606 | } |
| 607 | |
| 608 | /** |
| 609 | * Default reason to be used for the deletion form |
| 610 | * |
| 611 | * @return string |
| 612 | */ |
| 613 | protected function getDefaultReason(): string { |
| 614 | $requestReason = $this->getRequest()->getText( 'wpReason' ); |
| 615 | if ( $requestReason ) { |
| 616 | return $requestReason; |
| 617 | } |
| 618 | |
| 619 | try { |
| 620 | return $this->getArticle()->getPage()->getAutoDeleteReason(); |
| 621 | } catch ( TimeoutException $e ) { |
| 622 | throw $e; |
| 623 | } catch ( Exception $e ) { |
| 624 | # if a page is horribly broken, we still want to be able to |
| 625 | # delete it. So be lenient about errors here. |
| 626 | # For example, WMF logs show MWException thrown from |
| 627 | # ContentHandler::checkModelID(). |
| 628 | MWExceptionHandler::logException( $e ); |
| 629 | return ''; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | /** |
| 634 | * Determines whether a page has a history of more than one revision. |
| 635 | * @fixme We should use WikiPage::isNew() here, but it doesn't work right for undeleted pages (T289008) |
| 636 | * @return bool |
| 637 | */ |
| 638 | private function pageHasHistory(): bool { |
| 639 | $dbr = $this->dbProvider->getReplicaDatabase(); |
| 640 | $res = $dbr->newSelectQueryBuilder() |
| 641 | ->select( '*' ) |
| 642 | ->from( 'revision' ) |
| 643 | ->where( [ 'rev_page' => $this->getTitle()->getArticleID() ] ) |
| 644 | ->andWhere( |
| 645 | [ $dbr->bitAnd( 'rev_deleted', RevisionRecord::DELETED_USER ) . ' = 0' ] |
| 646 | )->limit( 2 ) |
| 647 | ->caller( __METHOD__ ) |
| 648 | ->fetchRowCount(); |
| 649 | |
| 650 | return $res > 1; |
| 651 | } |
| 652 | } |