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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\TemplateSandbox; |
| 4 | |
| 5 | use Content; |
| 6 | use HTMLForm; |
| 7 | use MediaWiki\Content\IContentHandlerFactory; |
| 8 | use MediaWiki\Content\Renderer\ContentRenderer; |
| 9 | use MediaWiki\EditPage\EditPage; |
| 10 | use MediaWiki\Html\Html; |
| 11 | use MediaWiki\Page\WikiPageFactory; |
| 12 | use MediaWiki\Parser\ParserOutput; |
| 13 | use MediaWiki\Revision\RevisionLookup; |
| 14 | use MediaWiki\Revision\RevisionRecord; |
| 15 | use MediaWiki\Revision\SlotRecord; |
| 16 | use MediaWiki\SpecialPage\SpecialPage; |
| 17 | use MediaWiki\Status\Status; |
| 18 | use MediaWiki\Title\Title; |
| 19 | |
| 20 | class SpecialTemplateSandbox extends SpecialPage { |
| 21 | private $prefixes = []; |
| 22 | |
| 23 | /** |
| 24 | * @var null|ParserOutput |
| 25 | */ |
| 26 | private $output = null; |
| 27 | |
| 28 | /** @var RevisionLookup */ |
| 29 | private $revisionLookup; |
| 30 | |
| 31 | /** @var IContentHandlerFactory */ |
| 32 | private $contentHandlerFactory; |
| 33 | |
| 34 | /** @var WikiPageFactory */ |
| 35 | private $wikiPageFactory; |
| 36 | |
| 37 | /** @var ContentRenderer */ |
| 38 | private $contentRenderer; |
| 39 | |
| 40 | /** |
| 41 | * @param RevisionLookup $revisionLookup |
| 42 | * @param IContentHandlerFactory $contentHandlerFactory |
| 43 | * @param WikiPageFactory $wikiPageFactory |
| 44 | * @param ContentRenderer $contentRenderer |
| 45 | */ |
| 46 | public function __construct( |
| 47 | RevisionLookup $revisionLookup, |
| 48 | IContentHandlerFactory $contentHandlerFactory, |
| 49 | WikiPageFactory $wikiPageFactory, |
| 50 | ContentRenderer $contentRenderer |
| 51 | ) { |
| 52 | parent::__construct( 'TemplateSandbox' ); |
| 53 | $this->revisionLookup = $revisionLookup; |
| 54 | $this->contentHandlerFactory = $contentHandlerFactory; |
| 55 | $this->wikiPageFactory = $wikiPageFactory; |
| 56 | $this->contentRenderer = $contentRenderer; |
| 57 | } |
| 58 | |
| 59 | protected function getGroupName() { |
| 60 | return 'wiki'; |
| 61 | } |
| 62 | |
| 63 | public function execute( $par ) { |
| 64 | $this->setHeaders(); |
| 65 | $this->addHelpLink( 'Help:Extension:TemplateSandbox' ); |
| 66 | $this->checkPermissions(); |
| 67 | |
| 68 | $request = $this->getRequest(); |
| 69 | |
| 70 | if ( $par !== null && !$request->getCheck( 'page' ) ) { |
| 71 | $request->setVal( 'page', $par ); |
| 72 | } |
| 73 | |
| 74 | $default_prefix = Title::makeTitle( NS_USER, |
| 75 | $this->getUser()->getName() . '/' . $this->msg( 'templatesandbox-suffix' )->plain() |
| 76 | )->getPrefixedText(); |
| 77 | |
| 78 | $form = HTMLForm::factory( 'ooui', [ |
| 79 | 'prefix' => [ |
| 80 | 'type' => 'text', |
| 81 | 'name' => 'prefix', |
| 82 | 'default' => $default_prefix, |
| 83 | 'label-message' => 'templatesandbox-prefix-label', |
| 84 | 'validation-callback' => [ $this, 'validatePrefixParam' ], |
| 85 | ], |
| 86 | |
| 87 | 'page' => [ |
| 88 | 'type' => 'text', |
| 89 | 'name' => 'page', |
| 90 | 'label-message' => 'templatesandbox-page-label', |
| 91 | 'validation-callback' => [ $this, 'validatePageParam' ], |
| 92 | ], |
| 93 | |
| 94 | 'revid' => [ |
| 95 | 'type' => 'int', |
| 96 | 'name' => 'revid', |
| 97 | 'label-message' => 'templatesandbox-revid-label', |
| 98 | 'validation-callback' => [ $this, 'validateRevidParam' ], |
| 99 | ], |
| 100 | |
| 101 | 'text' => [ |
| 102 | 'type' => 'textarea', |
| 103 | 'name' => 'text', |
| 104 | 'label-message' => 'templatesandbox-text-label', |
| 105 | 'useeditfont' => true, |
| 106 | 'rows' => 5, |
| 107 | ], |
| 108 | ], $this->getContext() ); |
| 109 | $form->setSubmitCallback( [ $this, 'onSubmit' ] ); |
| 110 | $form->setWrapperLegendMsg( 'templatesandbox-legend' ); |
| 111 | $form->addHeaderHtml( $this->msg( 'templatesandbox-text' )->parseAsBlock() ); |
| 112 | $form->setSubmitTextMsg( 'templatesandbox-submit' ); |
| 113 | |
| 114 | $form->prepareForm(); |
| 115 | if ( $request->getCheck( 'page' ) || $request->getCheck( 'revid' ) ) { |
| 116 | $form->displayForm( $form->tryAuthorizedSubmit() ); |
| 117 | } else { |
| 118 | $form->displayForm( false ); |
| 119 | } |
| 120 | |
| 121 | $user = $this->getUser(); |
| 122 | $output = $this->getOutput(); |
| 123 | $error = false; |
| 124 | if ( $this->getRequest()->wasPosted() ) { |
| 125 | if ( $user->isAnon() && !$user->isAllowed( 'edit' ) ) { |
| 126 | $error = 'templatesandbox-fail-post-anon'; |
| 127 | } elseif ( !$user->matchEditToken( $request->getVal( 'wpEditToken' ), '', $request ) ) { |
| 128 | $error = 'templatesandbox-fail-post'; |
| 129 | } |
| 130 | } |
| 131 | if ( $error !== false ) { |
| 132 | $output->addHTML( |
| 133 | Html::errorBox( |
| 134 | $output->msg( $error )->parse(), |
| 135 | '', |
| 136 | 'previewnote' |
| 137 | ) |
| 138 | ); |
| 139 | } elseif ( $this->output !== null ) { |
| 140 | // Anons have predictable edit tokens, only do the JS/CSS preview for logged-in users. |
| 141 | if ( $user->isAnon() ) { |
| 142 | $output->addHTML( |
| 143 | Html::warningBox( |
| 144 | $output->msg( 'templatesandbox-anon-limited-preview' )->parse(), |
| 145 | 'previewnote' |
| 146 | ) |
| 147 | ); |
| 148 | } else { |
| 149 | Logic::addSubpageHandlerToOutput( $this->prefixes, $output ); |
| 150 | } |
| 151 | $output->addParserOutput( $this->output ); |
| 152 | |
| 153 | $output->addHTML( Html::rawElement( |
| 154 | 'div', |
| 155 | [ 'class' => 'limitreport', 'style' => 'clear:both' ], |
| 156 | EditPage::getPreviewLimitReport( $this->output ) |
| 157 | ) ); |
| 158 | $output->addModules( 'mediawiki.collapseFooterLists' ); |
| 159 | |
| 160 | $titleText = $this->output->getTitleText(); |
| 161 | if ( strval( $titleText ) !== '' ) { |
| 162 | $output->setPageTitleMsg( $this->msg( 'templatesandbox-title-output', $titleText ) ); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @param string|null $value |
| 169 | * @param array $allData |
| 170 | * @return bool|string |
| 171 | */ |
| 172 | public function validatePageParam( $value, $allData ) { |
| 173 | if ( $value === '' || $value === null ) { |
| 174 | return true; |
| 175 | } |
| 176 | $title = Title::newFromText( $value ); |
| 177 | if ( !$title instanceof Title ) { |
| 178 | return $this->msg( 'templatesandbox-invalid-title' )->parseAsBlock(); |
| 179 | } |
| 180 | if ( !$title->exists() ) { |
| 181 | return $this->msg( 'templatesandbox-title-not-exists' )->parseAsBlock(); |
| 182 | } |
| 183 | return true; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * @param string|null $value |
| 188 | * @param array $allData |
| 189 | * @return bool|string |
| 190 | */ |
| 191 | public function validateRevidParam( $value, $allData ) { |
| 192 | if ( $value === '' || $value === null ) { |
| 193 | return true; |
| 194 | } |
| 195 | |
| 196 | $revisionRecord = $this->revisionLookup->getRevisionById( (int)$value ); |
| 197 | if ( $revisionRecord === null ) { |
| 198 | return $this->msg( 'templatesandbox-revision-not-exists' )->parseAsBlock(); |
| 199 | } |
| 200 | |
| 201 | $content = $revisionRecord->getContent( |
| 202 | SlotRecord::MAIN, |
| 203 | RevisionRecord::FOR_THIS_USER, |
| 204 | $this->getUser() |
| 205 | ); |
| 206 | |
| 207 | if ( $content === null ) { |
| 208 | return $this->msg( 'templatesandbox-revision-no-content' )->parseAsBlock(); |
| 209 | } |
| 210 | return true; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * @param string|null $value |
| 215 | * @param array $allData |
| 216 | * @return bool|string |
| 217 | */ |
| 218 | public function validatePrefixParam( $value, $allData ) { |
| 219 | if ( $value === '' || $value === null ) { |
| 220 | return true; |
| 221 | } |
| 222 | $prefixes = array_map( 'trim', explode( '|', $value ) ); |
| 223 | foreach ( $prefixes as $prefix ) { |
| 224 | $title = Title::newFromText( rtrim( $prefix, '/' ) ); |
| 225 | if ( !$title instanceof Title || $title->getFragment() !== '' ) { |
| 226 | return $this->msg( 'templatesandbox-invalid-prefix' )->parseAsBlock(); |
| 227 | } |
| 228 | if ( $title->isExternal() ) { |
| 229 | return $this->msg( 'templatesandbox-prefix-not-local' )->parseAsBlock(); |
| 230 | } |
| 231 | $this->prefixes[] = $title->getPrefixedText(); |
| 232 | } |
| 233 | return true; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * @param array $data |
| 238 | * @param HTMLForm $form |
| 239 | * @return Status |
| 240 | */ |
| 241 | public function onSubmit( $data, $form ) { |
| 242 | if ( $data['revid'] !== '' && $data['revid'] !== null ) { |
| 243 | $rev = $this->revisionLookup->getRevisionById( $data['revid'] ); |
| 244 | $title = Title::newFromLinkTarget( $rev->getPageAsLinkTarget() ); |
| 245 | } elseif ( $data['page'] !== '' && $data['page'] !== null ) { |
| 246 | $title = Title::newFromText( $data['page'] ); |
| 247 | $rev = $this->revisionLookup->getRevisionByTitle( $title ); |
| 248 | } else { |
| 249 | return Status::newFatal( 'templatesandbox-page-or-revid' ); |
| 250 | } |
| 251 | |
| 252 | if ( $data['text'] !== '' && $data['text'] !== null ) { |
| 253 | $content = $this->contentHandlerFactory |
| 254 | ->getContentHandler( $rev->getSlot( SlotRecord::MAIN )->getModel() ) |
| 255 | ->unserializeContent( $data['text'] ); |
| 256 | } else { |
| 257 | $content = $rev->getContent( |
| 258 | SlotRecord::MAIN, |
| 259 | RevisionRecord::FOR_THIS_USER, |
| 260 | $this->getUser() |
| 261 | ); |
| 262 | } |
| 263 | |
| 264 | // Title and Content are validated by validatePrefixParam and validatePageParam |
| 265 | '@phan-var Title $title'; |
| 266 | '@phan-var Content $content'; |
| 267 | |
| 268 | $page = $this->wikiPageFactory->newFromTitle( $title ); |
| 269 | $popts = $page->makeParserOptions( $this->getContext() ); |
| 270 | $popts->setIsPreview( true ); |
| 271 | $popts->setIsSectionPreview( false ); |
| 272 | $logic = new Logic( $this->prefixes, null, null ); |
| 273 | $reset = $logic->setupForParse( $popts ); |
| 274 | $this->output = $this->contentRenderer->getParserOutput( $content, $title, $rev, $popts ); |
| 275 | |
| 276 | return Status::newGood(); |
| 277 | } |
| 278 | } |