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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\TemplateData; |
| 4 | |
| 5 | use MediaWiki\CommentStore\CommentStoreComment; |
| 6 | use MediaWiki\Config\Config; |
| 7 | use MediaWiki\Context\RequestContext; |
| 8 | use MediaWiki\EditPage\EditPage; |
| 9 | use MediaWiki\Extension\EventLogging\EventLogging; |
| 10 | use MediaWiki\Hook\EditPage__showEditForm_fieldsHook; |
| 11 | use MediaWiki\Hook\EditPage__showEditForm_initialHook; |
| 12 | use MediaWiki\Hook\ParserFetchTemplateDataHook; |
| 13 | use MediaWiki\Hook\ParserFirstCallInitHook; |
| 14 | use MediaWiki\Html\Html; |
| 15 | use MediaWiki\MediaWikiServices; |
| 16 | use MediaWiki\Output\Hook\OutputPageBeforeHTMLHook; |
| 17 | use MediaWiki\Output\OutputPage; |
| 18 | use MediaWiki\Parser\Parser; |
| 19 | use MediaWiki\Parser\PPFrame; |
| 20 | use MediaWiki\Registration\ExtensionRegistry; |
| 21 | use MediaWiki\ResourceLoader\Hook\ResourceLoaderRegisterModulesHook; |
| 22 | use MediaWiki\ResourceLoader\ResourceLoader; |
| 23 | use MediaWiki\Revision\RenderedRevision; |
| 24 | use MediaWiki\Revision\RevisionRecord; |
| 25 | use MediaWiki\Revision\SlotRecord; |
| 26 | use MediaWiki\Status\Status; |
| 27 | use MediaWiki\Storage\Hook\MultiContentSaveHook; |
| 28 | use MediaWiki\Title\Title; |
| 29 | use MediaWiki\User\UserIdentity; |
| 30 | |
| 31 | /** |
| 32 | * @license GPL-2.0-or-later |
| 33 | * phpcs:disable MediaWiki.NamingConventions.LowerCamelFunctionsName |
| 34 | */ |
| 35 | class Hooks implements |
| 36 | EditPage__showEditForm_fieldsHook, |
| 37 | ParserFirstCallInitHook, |
| 38 | MultiContentSaveHook, |
| 39 | ResourceLoaderRegisterModulesHook, |
| 40 | EditPage__showEditForm_initialHook, |
| 41 | ParserFetchTemplateDataHook, |
| 42 | OutputPageBeforeHTMLHook |
| 43 | { |
| 44 | |
| 45 | private Config $config; |
| 46 | |
| 47 | public function __construct( Config $mainConfig ) { |
| 48 | $this->config = $mainConfig; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @param EditPage $editPage |
| 53 | * @param OutputPage $out |
| 54 | */ |
| 55 | public function onEditPage__showEditForm_fields( $editPage, $out ) { |
| 56 | // TODO: Remove when not needed any more, see T267926 |
| 57 | if ( $out->getRequest()->getBool( 'TemplateDataGeneratorUsed' ) ) { |
| 58 | // Recreate the dynamically created field after the user clicked "preview" |
| 59 | $out->addHTML( Html::hidden( 'TemplateDataGeneratorUsed', true ) ); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Register parser hooks |
| 65 | * @param Parser $parser |
| 66 | */ |
| 67 | public function onParserFirstCallInit( $parser ) { |
| 68 | $parser->setHook( 'templatedata', [ $this, 'render' ] ); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Conditionally register the jquery.uls.data module, in case they've already been |
| 73 | * registered by the UniversalLanguageSelector extension or the VisualEditor extension. |
| 74 | * |
| 75 | * @param ResourceLoader $resourceLoader |
| 76 | */ |
| 77 | public function onResourceLoaderRegisterModules( ResourceLoader $resourceLoader ): void { |
| 78 | $resourceModules = $resourceLoader->getConfig()->get( 'ResourceModules' ); |
| 79 | $name = 'jquery.uls.data'; |
| 80 | if ( !isset( $resourceModules[$name] ) && !$resourceLoader->isModuleRegistered( $name ) ) { |
| 81 | $resourceLoader->register( [ |
| 82 | $name => [ |
| 83 | 'localBasePath' => dirname( __DIR__ ), |
| 84 | 'remoteExtPath' => 'TemplateData', |
| 85 | 'scripts' => [ |
| 86 | 'lib/jquery.uls/src/jquery.uls.data.js', |
| 87 | 'lib/jquery.uls/src/jquery.uls.data.utils.js', |
| 88 | ], |
| 89 | ] |
| 90 | ] ); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * @param RenderedRevision $renderedRevision |
| 96 | * @param UserIdentity $user |
| 97 | * @param CommentStoreComment $summary |
| 98 | * @param int $flags |
| 99 | * @param Status $hookStatus |
| 100 | * @return bool |
| 101 | */ |
| 102 | public function onMultiContentSave( |
| 103 | $renderedRevision, $user, $summary, $flags, $hookStatus |
| 104 | ) { |
| 105 | $revisionRecord = $renderedRevision->getRevision(); |
| 106 | $contentModel = $revisionRecord |
| 107 | ->getContent( SlotRecord::MAIN ) |
| 108 | ->getModel(); |
| 109 | |
| 110 | if ( $contentModel !== CONTENT_MODEL_WIKITEXT ) { |
| 111 | return true; |
| 112 | } |
| 113 | |
| 114 | // Revision hasn't been parsed yet, so parse to know if self::render got a |
| 115 | // valid tag (via inclusion and transclusion) and abort save if it didn't |
| 116 | $parserOutput = $renderedRevision->getRevisionParserOutput( [ 'generate-html' => false ] ); |
| 117 | $status = TemplateDataStatus::newFromJson( $parserOutput->getExtensionData( 'TemplateDataStatus' ) ); |
| 118 | if ( $status && !$status->isOK() ) { |
| 119 | // Abort edit, show error message from TemplateDataBlob::getStatus |
| 120 | $hookStatus->merge( $status ); |
| 121 | return false; |
| 122 | } |
| 123 | |
| 124 | // TODO: Remove when not needed any more, see T267926 |
| 125 | self::logChangeEvent( $revisionRecord, $parserOutput->getPageProperty( 'templatedata' ), $user ); |
| 126 | |
| 127 | return true; |
| 128 | } |
| 129 | |
| 130 | private static function logChangeEvent( |
| 131 | RevisionRecord $revisionRecord, |
| 132 | ?string $newPageProperty, |
| 133 | UserIdentity $user |
| 134 | ): void { |
| 135 | if ( !ExtensionRegistry::getInstance()->isLoaded( 'EventLogging' ) ) { |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | $services = MediaWikiServices::getInstance(); |
| 140 | $page = $revisionRecord->getPage(); |
| 141 | $props = $services->getPageProps()->getProperties( $page, 'templatedata' ); |
| 142 | |
| 143 | $pageId = $page->getId(); |
| 144 | // The JSON strings here are guaranteed to be normalized (and possibly compressed) the same |
| 145 | // way. No need to normalize them again for this comparison. |
| 146 | if ( $newPageProperty === ( $props[$pageId] ?? null ) ) { |
| 147 | return; |
| 148 | } |
| 149 | |
| 150 | $generatorUsed = RequestContext::getMain()->getRequest()->getBool( 'TemplateDataGeneratorUsed' ); |
| 151 | $userEditCount = $services->getUserEditTracker()->getUserEditCount( $user ); |
| 152 | $userId = $services->getUserIdentityUtils()->isTemp( $user ) ? 0 : $user->getId(); |
| 153 | // Note: We know that irrelevant changes (e.g. whitespace changes) aren't logged here |
| 154 | EventLogging::submit( |
| 155 | 'eventlogging_TemplateDataEditor', |
| 156 | [ |
| 157 | '$schema' => '/analytics/legacy/templatedataeditor/1.0.0', |
| 158 | 'event' => [ |
| 159 | // Note: The "Done" button is disabled unless something changed, which means it's |
| 160 | // very likely (but not guaranteed) the generator was used to make the changes |
| 161 | 'action' => $generatorUsed ? 'save-tag-edit-generator-used' : 'save-tag-edit-no-generator', |
| 162 | 'page_id' => $pageId, |
| 163 | 'page_namespace' => $page->getNamespace(), |
| 164 | 'page_title' => $page->getDBkey(), |
| 165 | 'rev_id' => $revisionRecord->getId() ?? 0, |
| 166 | 'user_edit_count' => $userEditCount ?? 0, |
| 167 | 'user_id' => $userId, |
| 168 | ], |
| 169 | ] |
| 170 | ); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Hook to load the GUI module only on edit action. |
| 175 | * |
| 176 | * @param EditPage $editPage |
| 177 | * @param OutputPage $output |
| 178 | */ |
| 179 | public function onEditPage__showEditForm_initial( $editPage, $output ) { |
| 180 | if ( $this->config->get( 'TemplateDataUseGUI' ) ) { |
| 181 | $editorNamespaces = $this->config->get( 'TemplateDataEditorNamespaces' ); |
| 182 | $isEditorNamespace = $output->getTitle()->inNamespaces( $editorNamespaces ); |
| 183 | if ( !$isEditorNamespace ) { |
| 184 | // If we're outside the editor namespaces, allow access to GUI |
| 185 | // if it's an existing page with <templatedate> (e.g. User template sandbox, |
| 186 | // or some other page that's intended to be transcluded for any reason). |
| 187 | $services = MediaWikiServices::getInstance(); |
| 188 | $props = $services->getPageProps()->getProperties( $editPage->getTitle(), 'templatedata' ); |
| 189 | $isEditorNamespace = (bool)$props; |
| 190 | } |
| 191 | if ( $isEditorNamespace ) { |
| 192 | $output->addModuleStyles( 'ext.templateDataGenerator.editTemplatePage.loading' ); |
| 193 | $output->addHTML( '<div class="tdg-editscreen-placeholder"></div>' ); |
| 194 | $output->addModules( 'ext.templateDataGenerator.editTemplatePage' ); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Parser hook for <templatedata>. |
| 201 | * If there is any JSON provided, render the template documentation on the page. |
| 202 | * |
| 203 | * @param string|null $input The content of the tag. |
| 204 | * @param array $args The attributes of the tag. |
| 205 | * @param Parser $parser Parser instance available to render |
| 206 | * wikitext into html, or parser methods. |
| 207 | * @param PPFrame $frame Can be used to see what template parameters ("{{{1}}}", etc.) |
| 208 | * this hook was used with. |
| 209 | * |
| 210 | * @return string HTML to insert in the page. |
| 211 | */ |
| 212 | public function render( ?string $input, array $args, Parser $parser, PPFrame $frame ): string { |
| 213 | $parserOutput = $parser->getOutput(); |
| 214 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 215 | $ti = TemplateDataBlob::newFromJSON( $dbr, $input ?? '' ); |
| 216 | |
| 217 | $status = $ti->getStatus(); |
| 218 | if ( !$status->isOK() ) { |
| 219 | $parserOutput->setExtensionData( 'TemplateDataStatus', TemplateDataStatus::jsonSerialize( $status ) ); |
| 220 | return Html::errorBox( $status->getHTML() ); |
| 221 | } |
| 222 | |
| 223 | // Store the blob as page property for retrieval by ApiTemplateData. |
| 224 | // But, don't store it if we're parsing a doc sub page, because: |
| 225 | // - The doc subpage should not appear in ApiTemplateData as a documented |
| 226 | // template itself, which is confusing to users (T54448). |
| 227 | // - The doc subpage should not appear at Special:PagesWithProp. |
| 228 | // - Storing the blob twice in the database is inefficient (T52512). |
| 229 | $title = $parser->getTitle(); |
| 230 | $docPage = wfMessage( 'templatedata-doc-subpage' )->inContentLanguage(); |
| 231 | if ( !$title->isSubpage() || $title->getSubpageText() !== $docPage->plain() ) { |
| 232 | $parserOutput->setPageProperty( 'templatedata', $ti->getJSONForDatabase() ); |
| 233 | } |
| 234 | |
| 235 | $parserOutput->addModuleStyles( [ |
| 236 | 'ext.templateData', |
| 237 | 'ext.templateData.images', |
| 238 | 'jquery.tablesorter.styles', |
| 239 | ] ); |
| 240 | $parserOutput->addModules( [ 'jquery.tablesorter' ] ); |
| 241 | $parserOutput->setEnableOOUI( true ); |
| 242 | |
| 243 | $userLang = $parser->getOptions()->getUserLangObj(); |
| 244 | |
| 245 | // FIXME: this hard-codes default skin, but it is needed because |
| 246 | // ::getHtml() will need a theme singleton to be set. |
| 247 | OutputPage::setupOOUI( 'bogus', $userLang->getDir() ); |
| 248 | |
| 249 | $localizer = new TemplateDataMessageLocalizer( $userLang ); |
| 250 | $formatter = new TemplateDataHtmlFormatter( $localizer, $userLang->getCode() ); |
| 251 | return $formatter->getHtml( $ti, $frame->getTitle(), !$parser->getOptions()->getIsPreview() ); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/OutputPageBeforeHTML |
| 256 | * |
| 257 | * @param OutputPage $output |
| 258 | * @param string &$text |
| 259 | */ |
| 260 | public function onOutputPageBeforeHTML( $output, &$text ) { |
| 261 | $services = MediaWikiServices::getInstance(); |
| 262 | $props = $services->getPageProps()->getProperties( $output->getTitle(), 'templatedata' ); |
| 263 | if ( $props ) { |
| 264 | $lang = $output->getLanguage(); |
| 265 | $localizer = new TemplateDataMessageLocalizer( $lang ); |
| 266 | $formatter = new TemplateDataHtmlFormatter( $localizer, $lang->getCode() ); |
| 267 | $formatter->replaceEditLink( $text ); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Fetch templatedata for an array of titles. |
| 273 | * |
| 274 | * @todo Document this hook |
| 275 | * |
| 276 | * The following questions are yet to be resolved. |
| 277 | * (a) Should we extend functionality to looking up an array of titles instead of one? |
| 278 | * The signature allows for an array of titles to be passed in, but the |
| 279 | * current implementation is not optimized for the multiple-title use case. |
| 280 | * (b) Should this be a lookup service instead of this faux hook? |
| 281 | * This will be resolved separately. |
| 282 | * |
| 283 | * @param array $tplTitles |
| 284 | * @param \stdClass[] &$tplData |
| 285 | * @return bool |
| 286 | */ |
| 287 | public function onParserFetchTemplateData( array $tplTitles, array &$tplData ): bool { |
| 288 | $tplData = []; |
| 289 | |
| 290 | $services = MediaWikiServices::getInstance(); |
| 291 | $pageProps = $services->getPageProps(); |
| 292 | $wikiPageFactory = $services->getWikiPageFactory(); |
| 293 | $dbr = $services->getConnectionProvider()->getReplicaDatabase(); |
| 294 | |
| 295 | // This inefficient implementation is currently tuned for |
| 296 | // Parsoid's use case where it requests info for exactly one title. |
| 297 | // For a real batch use case, this code will need an overhaul. |
| 298 | foreach ( $tplTitles as $tplTitle ) { |
| 299 | $title = Title::newFromText( $tplTitle ); |
| 300 | if ( !$title ) { |
| 301 | // Invalid title |
| 302 | $tplData[$tplTitle] = null; |
| 303 | continue; |
| 304 | } |
| 305 | |
| 306 | if ( $title->isRedirect() ) { |
| 307 | $title = $wikiPageFactory->newFromTitle( $title )->getRedirectTarget(); |
| 308 | if ( !$title ) { |
| 309 | // Invalid redirecting title |
| 310 | $tplData[$tplTitle] = null; |
| 311 | continue; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | if ( !$title->exists() ) { |
| 316 | $tplData[$tplTitle] = (object)[ 'missing' => true ]; |
| 317 | continue; |
| 318 | } |
| 319 | |
| 320 | // FIXME: PageProps returns takes titles but returns by page id. |
| 321 | // This means we need to do our own look up and hope it matches. |
| 322 | // Spoiler, sometimes it won't. When that happens, the user won't |
| 323 | // get any templatedata-based interfaces for that template. |
| 324 | // The fallback is to not serve data for that template, which |
| 325 | // the clients have to support anyway, so the impact is minimal. |
| 326 | // It is also expected that such race conditions resolve themselves |
| 327 | // after a few seconds so the old "try again later" should cover this. |
| 328 | $pageId = $title->getArticleID(); |
| 329 | $props = $pageProps->getProperties( $title, 'templatedata' ); |
| 330 | if ( !isset( $props[$pageId] ) ) { |
| 331 | // No templatedata |
| 332 | $tplData[$tplTitle] = (object)[ 'notemplatedata' => true ]; |
| 333 | continue; |
| 334 | } |
| 335 | |
| 336 | $tdb = TemplateDataBlob::newFromDatabase( $dbr, $props[$pageId] ); |
| 337 | $status = $tdb->getStatus(); |
| 338 | if ( !$status->isOK() ) { |
| 339 | // Invalid data. Parsoid has no use for the error. |
| 340 | $tplData[$tplTitle] = (object)[ 'notemplatedata' => true ]; |
| 341 | continue; |
| 342 | } |
| 343 | |
| 344 | $tplData[$tplTitle] = $tdb->getData(); |
| 345 | } |
| 346 | return true; |
| 347 | } |
| 348 | |
| 349 | } |