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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 | namespace MediaWiki\Actions; |
| 22 | |
| 23 | use MediaWiki\Context\IContextSource; |
| 24 | use MediaWiki\Exception\ErrorPageError; |
| 25 | use MediaWiki\Exception\PermissionsError; |
| 26 | use MediaWiki\FileRepo\File\File; |
| 27 | use MediaWiki\FileRepo\File\LocalFile; |
| 28 | use MediaWiki\FileRepo\File\OldLocalFile; |
| 29 | use MediaWiki\Html\Html; |
| 30 | use MediaWiki\MainConfigNames; |
| 31 | use MediaWiki\MediaWikiServices; |
| 32 | use MediaWiki\Page\Article; |
| 33 | use MediaWiki\Page\File\FileDeleteForm; |
| 34 | use MediaWiki\Permissions\PermissionStatus; |
| 35 | use MediaWiki\Title\Title; |
| 36 | use MediaWiki\User\User; |
| 37 | |
| 38 | /** |
| 39 | * Handle file deletion |
| 40 | * |
| 41 | * @ingroup Actions |
| 42 | */ |
| 43 | class FileDeleteAction extends DeleteAction { |
| 44 | /** @var File */ |
| 45 | private $file; |
| 46 | /** @var string Descriptor for the old version of the image, if applicable */ |
| 47 | private $oldImage; |
| 48 | /** @var OldLocalFile|null Corresponding to oldImage, if applicable */ |
| 49 | private $oldFile; |
| 50 | |
| 51 | /** |
| 52 | * @inheritDoc |
| 53 | */ |
| 54 | public function __construct( Article $article, IContextSource $context ) { |
| 55 | parent::__construct( $article, $context ); |
| 56 | $services = MediaWikiServices::getInstance(); |
| 57 | $this->file = $this->getArticle()->getFile(); |
| 58 | $this->oldImage = $this->getRequest()->getText( 'oldimage', '' ); |
| 59 | if ( $this->oldImage !== '' ) { |
| 60 | $this->oldFile = $services->getRepoGroup()->getLocalRepo()->newFromArchiveName( |
| 61 | $this->getTitle(), |
| 62 | $this->oldImage |
| 63 | ); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | /** @inheritDoc */ |
| 68 | protected function getPageTitle() { |
| 69 | $title = $this->getTitle(); |
| 70 | return $this->msg( 'filedelete' )->plaintextParams( $title->getText() ); |
| 71 | } |
| 72 | |
| 73 | protected function tempDelete() { |
| 74 | $file = $this->file; |
| 75 | /** @var LocalFile $file */'@phan-var LocalFile $file'; |
| 76 | $this->tempExecute( $file ); |
| 77 | } |
| 78 | |
| 79 | private function tempExecute( LocalFile $file ): void { |
| 80 | $context = $this->getContext(); |
| 81 | $title = $this->getTitle(); |
| 82 | $article = $this->getArticle(); |
| 83 | $outputPage = $context->getOutput(); |
| 84 | $request = $context->getRequest(); |
| 85 | |
| 86 | $checkFile = $this->oldFile ?: $file; |
| 87 | if ( !$checkFile->exists() || !$checkFile->isLocal() ) { |
| 88 | $outputPage->addHTML( $this->prepareMessage( 'filedelete-nofile' ) ); |
| 89 | $outputPage->addReturnTo( $title ); |
| 90 | return; |
| 91 | } |
| 92 | |
| 93 | // Perform the deletion if appropriate |
| 94 | $token = $request->getVal( 'wpEditToken' ); |
| 95 | if ( |
| 96 | !$request->wasPosted() || |
| 97 | !$context->getUser()->matchEditToken( $token, [ 'delete', $title->getPrefixedText() ] ) |
| 98 | ) { |
| 99 | $this->showConfirm(); |
| 100 | return; |
| 101 | } |
| 102 | |
| 103 | // Check to make sure the page has not been edited while the deletion was being confirmed |
| 104 | if ( $article->getRevIdFetched() !== $request->getIntOrNull( 'wpConfirmationRevId' ) ) { |
| 105 | $this->showEditedWarning(); |
| 106 | $this->showConfirm(); |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | $permissionStatus = PermissionStatus::newEmpty(); |
| 111 | if ( !$context->getAuthority()->authorizeWrite( |
| 112 | 'delete', $title, $permissionStatus |
| 113 | ) ) { |
| 114 | throw new PermissionsError( 'delete', $permissionStatus ); |
| 115 | } |
| 116 | |
| 117 | $reason = $this->getDeleteReason(); |
| 118 | |
| 119 | # Flag to hide all contents of the archived revisions |
| 120 | $suppress = $request->getCheck( 'wpSuppress' ) && |
| 121 | $context->getAuthority()->isAllowed( 'suppressrevision' ); |
| 122 | |
| 123 | $status = FileDeleteForm::doDelete( |
| 124 | $title, |
| 125 | $file, |
| 126 | $this->oldImage, |
| 127 | $reason, |
| 128 | $suppress, |
| 129 | $context->getUser(), |
| 130 | [], |
| 131 | $request->getCheck( 'wpDeleteTalk' ) |
| 132 | ); |
| 133 | |
| 134 | if ( !$status->isGood() ) { |
| 135 | $outputPage->setPageTitleMsg( |
| 136 | $this->msg( 'cannotdelete-title' )->plaintextParams( $title->getPrefixedText() ) |
| 137 | ); |
| 138 | $outputPage->addModuleStyles( 'mediawiki.codex.messagebox.styles' ); |
| 139 | foreach ( $status->getMessages() as $msg ) { |
| 140 | $outputPage->addHTML( Html::errorBox( |
| 141 | $context->msg( $msg )->parse() |
| 142 | ) ); |
| 143 | } |
| 144 | } |
| 145 | if ( $status->isOK() ) { |
| 146 | $outputPage->setPageTitleMsg( $context->msg( 'actioncomplete' ) ); |
| 147 | $outputPage->addHTML( $this->prepareMessage( 'filedelete-success' ) ); |
| 148 | // Return to the main page if we just deleted all versions of the |
| 149 | // file, otherwise go back to the description page |
| 150 | $outputPage->addReturnTo( $this->oldImage ? $title : Title::newMainPage() ); |
| 151 | |
| 152 | $this->watchlistManager->setWatch( |
| 153 | $request->getCheck( 'wpWatch' ), |
| 154 | $context->getAuthority(), |
| 155 | $title |
| 156 | ); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | protected function showFormWarnings(): void { |
| 161 | $this->getOutput()->addHTML( $this->prepareMessage( 'filedelete-intro' ) ); |
| 162 | $this->showSubpagesWarnings(); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Show the confirmation form |
| 167 | */ |
| 168 | private function showConfirm() { |
| 169 | $this->prepareOutputForForm(); |
| 170 | $context = $this->getContext(); |
| 171 | $article = $this->getArticle(); |
| 172 | |
| 173 | // oldid is set to the revision id of the page when the page was displayed. |
| 174 | // Check to make sure the page has not been edited between loading the page |
| 175 | // and clicking the delete link |
| 176 | $oldid = $context->getRequest()->getIntOrNull( 'oldid' ); |
| 177 | if ( $oldid !== null && $oldid !== $article->getRevIdFetched() ) { |
| 178 | $this->showEditedWarning(); |
| 179 | } |
| 180 | |
| 181 | $this->showFormWarnings(); |
| 182 | $form = $this->getForm(); |
| 183 | if ( $form->show() ) { |
| 184 | $this->onSuccess(); |
| 185 | } |
| 186 | $this->showEditReasonsLinks(); |
| 187 | $this->showLogEntries(); |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Prepare a message referring to the file being deleted, |
| 192 | * showing an appropriate message depending upon whether |
| 193 | * it's a current file or an old version |
| 194 | * |
| 195 | * @param string $message Message base |
| 196 | * @return string |
| 197 | */ |
| 198 | private function prepareMessage( string $message ) { |
| 199 | if ( $this->oldFile ) { |
| 200 | $lang = $this->getContext()->getLanguage(); |
| 201 | # Message keys used: |
| 202 | # 'filedelete-intro-old', 'filedelete-nofile-old', 'filedelete-success-old' |
| 203 | return $this->getContext()->msg( |
| 204 | "{$message}-old", |
| 205 | wfEscapeWikiText( $this->getTitle()->getText() ), |
| 206 | $lang->date( $this->oldFile->getTimestamp(), true ), |
| 207 | $lang->time( $this->oldFile->getTimestamp(), true ), |
| 208 | (string)MediaWikiServices::getInstance()->getUrlUtils()->expand( |
| 209 | $this->file->getArchiveUrl( $this->oldImage ), |
| 210 | PROTO_CURRENT |
| 211 | ) |
| 212 | )->parseAsBlock(); |
| 213 | } else { |
| 214 | return $this->getContext()->msg( |
| 215 | $message, |
| 216 | wfEscapeWikiText( $this->getTitle()->getText() ) |
| 217 | )->parseAsBlock(); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | protected function getFormAction(): string { |
| 222 | $q = []; |
| 223 | $q['action'] = 'delete'; |
| 224 | |
| 225 | if ( $this->oldImage ) { |
| 226 | $q['oldimage'] = $this->oldImage; |
| 227 | } |
| 228 | |
| 229 | return $this->getTitle()->getLocalURL( $q ); |
| 230 | } |
| 231 | |
| 232 | protected function checkCanExecute( User $user ) { |
| 233 | parent::checkCanExecute( $user ); |
| 234 | |
| 235 | if ( $this->getContext()->getConfig()->get( MainConfigNames::UploadMaintenance ) ) { |
| 236 | throw new ErrorPageError( 'filedelete-maintenance-title', 'filedelete-maintenance' ); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * TODO Do we need all these messages to be different? |
| 242 | * @return string[] |
| 243 | */ |
| 244 | protected function getFormMessages(): array { |
| 245 | return [ |
| 246 | self::MSG_REASON_DROPDOWN => 'filedelete-reason-dropdown', |
| 247 | self::MSG_REASON_DROPDOWN_SUPPRESS => 'filedelete-reason-dropdown-suppress', |
| 248 | self::MSG_REASON_DROPDOWN_OTHER => 'filedelete-reason-otherlist', |
| 249 | self::MSG_COMMENT => 'filedelete-comment', |
| 250 | self::MSG_REASON_OTHER => 'filedelete-otherreason', |
| 251 | self::MSG_SUBMIT => 'filedelete-submit', |
| 252 | self::MSG_LEGEND => 'filedelete-legend', |
| 253 | self::MSG_EDIT_REASONS => 'filedelete-edit-reasonlist', |
| 254 | self::MSG_EDIT_REASONS_SUPPRESS => 'filedelete-edit-reasonlist-suppress', |
| 255 | ]; |
| 256 | } |
| 257 | } |