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| 1 | <?php |
| 2 | /** |
| 3 | * File reversion user interface |
| 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 |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 18 | * |
| 19 | * @file |
| 20 | * @ingroup Actions |
| 21 | * @ingroup Media |
| 22 | * @author Alexandre Emsenhuber |
| 23 | * @author Rob Church <robchur@gmail.com> |
| 24 | */ |
| 25 | |
| 26 | use MediaWiki\Context\IContextSource; |
| 27 | use MediaWiki\MediaWikiServices; |
| 28 | use MediaWiki\Output\OutputPage; |
| 29 | use MediaWiki\Status\Status; |
| 30 | use MediaWiki\User\User; |
| 31 | use MediaWiki\Utils\MWTimestamp; |
| 32 | |
| 33 | /** |
| 34 | * File reversion user interface |
| 35 | * WikiPage must contain getFile method: \WikiFilePage |
| 36 | * Article::getFile is only for b/c: \ImagePage |
| 37 | * |
| 38 | * @ingroup Actions |
| 39 | */ |
| 40 | class RevertAction extends FormAction { |
| 41 | |
| 42 | private Language $contentLanguage; |
| 43 | private RepoGroup $repoGroup; |
| 44 | |
| 45 | /** |
| 46 | * @param Article $article |
| 47 | * @param IContextSource $context |
| 48 | * @param Language $contentLanguage |
| 49 | * @param RepoGroup $repoGroup |
| 50 | */ |
| 51 | public function __construct( |
| 52 | Article $article, |
| 53 | IContextSource $context, |
| 54 | Language $contentLanguage, |
| 55 | RepoGroup $repoGroup |
| 56 | ) { |
| 57 | parent::__construct( $article, $context ); |
| 58 | $this->contentLanguage = $contentLanguage; |
| 59 | $this->repoGroup = $repoGroup; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * @var OldLocalFile |
| 64 | */ |
| 65 | protected $oldFile; |
| 66 | |
| 67 | public function getName() { |
| 68 | return 'revert'; |
| 69 | } |
| 70 | |
| 71 | public function getRestriction() { |
| 72 | return 'upload'; |
| 73 | } |
| 74 | |
| 75 | protected function checkCanExecute( User $user ) { |
| 76 | if ( $this->getTitle()->getNamespace() !== NS_FILE ) { |
| 77 | throw new ErrorPageError( $this->msg( 'nosuchaction' ), $this->msg( 'nosuchactiontext' ) ); |
| 78 | } |
| 79 | parent::checkCanExecute( $user ); |
| 80 | |
| 81 | $oldimage = $this->getRequest()->getText( 'oldimage' ); |
| 82 | if ( strlen( $oldimage ) < 16 |
| 83 | || strpos( $oldimage, '/' ) !== false |
| 84 | || strpos( $oldimage, '\\' ) !== false |
| 85 | ) { |
| 86 | throw new ErrorPageError( 'internalerror', 'unexpected', [ 'oldimage', $oldimage ] ); |
| 87 | } |
| 88 | |
| 89 | $this->oldFile = $this->repoGroup->getLocalRepo() |
| 90 | ->newFromArchiveName( $this->getTitle(), $oldimage ); |
| 91 | |
| 92 | if ( !$this->oldFile->exists() ) { |
| 93 | throw new ErrorPageError( '', 'filerevert-badversion' ); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | protected function usesOOUI() { |
| 98 | return true; |
| 99 | } |
| 100 | |
| 101 | protected function alterForm( HTMLForm $form ) { |
| 102 | $form->setWrapperLegendMsg( 'filerevert-legend' ); |
| 103 | $form->setSubmitTextMsg( 'filerevert-submit' ); |
| 104 | $form->addHiddenField( 'oldimage', $this->getRequest()->getText( 'oldimage' ) ); |
| 105 | $form->setTokenSalt( [ 'revert', $this->getTitle()->getPrefixedDBkey() ] ); |
| 106 | } |
| 107 | |
| 108 | protected function getFormFields() { |
| 109 | $timestamp = $this->oldFile->getTimestamp(); |
| 110 | |
| 111 | $user = $this->getUser(); |
| 112 | $lang = $this->getLanguage(); |
| 113 | $userDate = $lang->userDate( $timestamp, $user ); |
| 114 | $userTime = $lang->userTime( $timestamp, $user ); |
| 115 | $siteTs = MWTimestamp::getLocalInstance( $timestamp ); |
| 116 | $ts = $siteTs->format( 'YmdHis' ); |
| 117 | $contLang = $this->contentLanguage; |
| 118 | $siteDate = $contLang->date( $ts, false, false ); |
| 119 | $siteTime = $contLang->time( $ts, false, false ); |
| 120 | $tzMsg = $siteTs->getTimezoneMessage()->inContentLanguage()->text(); |
| 121 | |
| 122 | return [ |
| 123 | 'intro' => [ |
| 124 | 'type' => 'info', |
| 125 | 'raw' => true, |
| 126 | 'default' => $this->msg( 'filerevert-intro', |
| 127 | $this->getTitle()->getText(), $userDate, $userTime, |
| 128 | (string)MediaWikiServices::getInstance()->getUrlUtils()->expand( |
| 129 | $this->getFile() |
| 130 | ->getArchiveUrl( |
| 131 | $this->getRequest()->getText( 'oldimage' ) |
| 132 | ), |
| 133 | PROTO_CURRENT |
| 134 | ) )->parseAsBlock() |
| 135 | ], |
| 136 | 'comment' => [ |
| 137 | 'type' => 'text', |
| 138 | 'label-message' => 'filerevert-comment', |
| 139 | 'default' => $this->msg( 'filerevert-defaultcomment', $siteDate, $siteTime, |
| 140 | $tzMsg )->inContentLanguage()->text() |
| 141 | ] |
| 142 | ]; |
| 143 | } |
| 144 | |
| 145 | public function onSubmit( $data ) { |
| 146 | $this->useTransactionalTimeLimit(); |
| 147 | |
| 148 | $old = $this->getRequest()->getText( 'oldimage' ); |
| 149 | /** @var LocalFile $localFile */ |
| 150 | $localFile = $this->getFile(); |
| 151 | '@phan-var LocalFile $localFile'; |
| 152 | $oldFile = OldLocalFile::newFromArchiveName( $this->getTitle(), $localFile->getRepo(), $old ); |
| 153 | |
| 154 | $source = $localFile->getArchiveVirtualUrl( $old ); |
| 155 | $comment = $data['comment']; |
| 156 | |
| 157 | if ( $localFile->getSha1() === $oldFile->getSha1() ) { |
| 158 | return Status::newFatal( 'filerevert-identical' ); |
| 159 | } |
| 160 | |
| 161 | // TODO: Preserve file properties from database instead of reloading from file |
| 162 | return $localFile->upload( |
| 163 | $source, |
| 164 | $comment, |
| 165 | $comment, |
| 166 | 0, |
| 167 | false, |
| 168 | false, |
| 169 | $this->getAuthority(), |
| 170 | [], |
| 171 | true, |
| 172 | true |
| 173 | ); |
| 174 | } |
| 175 | |
| 176 | public function onSuccess() { |
| 177 | $timestamp = $this->oldFile->getTimestamp(); |
| 178 | $user = $this->getUser(); |
| 179 | $lang = $this->getLanguage(); |
| 180 | $userDate = $lang->userDate( $timestamp, $user ); |
| 181 | $userTime = $lang->userTime( $timestamp, $user ); |
| 182 | |
| 183 | $this->getOutput()->addWikiMsg( 'filerevert-success', $this->getTitle()->getText(), |
| 184 | $userDate, $userTime, |
| 185 | (string)MediaWikiServices::getInstance()->getUrlUtils()->expand( |
| 186 | $this->getFile() |
| 187 | ->getArchiveUrl( |
| 188 | $this->getRequest()->getText( 'oldimage' ) |
| 189 | ), |
| 190 | PROTO_CURRENT |
| 191 | ) ); |
| 192 | $this->getOutput()->returnToMain( false, $this->getTitle() ); |
| 193 | } |
| 194 | |
| 195 | protected function getPageTitle() { |
| 196 | return $this->msg( 'filerevert' )->plaintextParams( $this->getTitle()->getText() ); |
| 197 | } |
| 198 | |
| 199 | protected function getDescription() { |
| 200 | return OutputPage::buildBacklinkSubtitle( $this->getTitle() )->escaped(); |
| 201 | } |
| 202 | |
| 203 | public function doesWrites() { |
| 204 | return true; |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * @since 1.35 |
| 209 | * @return File |
| 210 | */ |
| 211 | private function getFile(): File { |
| 212 | /** @var \WikiFilePage $wikiPage */ |
| 213 | $wikiPage = $this->getWikiPage(); |
| 214 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 215 | return $wikiPage->getFile(); |
| 216 | } |
| 217 | } |