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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * WikiLambda extension Parser-related ('client-mode') hooks |
| 5 | * |
| 6 | * @file |
| 7 | * @ingroup Extensions |
| 8 | * @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt |
| 9 | * @license MIT |
| 10 | */ |
| 11 | |
| 12 | namespace MediaWiki\Extension\WikiLambda\HookHandler; |
| 13 | |
| 14 | use MediaWiki\Config\Config; |
| 15 | use MediaWiki\Extension\CommunityConfiguration\Provider\ConfigurationProviderFactory; |
| 16 | use MediaWiki\Extension\WikiLambda\WikiLambdaMode; |
| 17 | use MediaWiki\Extension\WikiLambda\WikiLambdaServices; |
| 18 | use MediaWiki\Linker\LinkTarget; |
| 19 | use MediaWiki\Logger\LoggerFactory; |
| 20 | use MediaWiki\Output\OutputPage; |
| 21 | use MediaWiki\Page\ProperPageIdentity; |
| 22 | use MediaWiki\Page\WikiPage; |
| 23 | use MediaWiki\Permissions\Authority; |
| 24 | use MediaWiki\Registration\ExtensionRegistry; |
| 25 | use MediaWiki\ResourceLoader\CodexModule; |
| 26 | use MediaWiki\ResourceLoader\ImageModule; |
| 27 | use MediaWiki\ResourceLoader\ResourceLoader; |
| 28 | use MediaWiki\Revision\RevisionRecord; |
| 29 | use MediaWiki\Storage\EditResult; |
| 30 | use MediaWiki\Title\Title; |
| 31 | use MediaWiki\User\UserIdentity; |
| 32 | use MediaWiki\WikiMap\WikiMap; |
| 33 | use Psr\Log\LoggerInterface; |
| 34 | use Throwable; |
| 35 | |
| 36 | class ClientHooks implements |
| 37 | \MediaWiki\Storage\Hook\PageSaveCompleteHook, |
| 38 | \MediaWiki\Page\Hook\PageDeleteCompleteHook, |
| 39 | \MediaWiki\Hook\PageMoveCompleteHook, |
| 40 | \MediaWiki\ResourceLoader\Hook\ResourceLoaderRegisterModulesHook, |
| 41 | \MediaWiki\Output\Hook\MakeGlobalVariablesScriptHook |
| 42 | { |
| 43 | private LoggerInterface $logger; |
| 44 | |
| 45 | public function __construct( |
| 46 | private readonly Config $config, |
| 47 | private readonly WikiLambdaMode $mode, |
| 48 | private readonly ?ConfigurationProviderFactory $providerFactory, |
| 49 | ) { |
| 50 | // Non-injected items |
| 51 | $this->logger = LoggerFactory::getInstance( 'WikiLambdaClient' ); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/PageSaveComplete |
| 56 | * |
| 57 | * @param WikiPage $wikiPage |
| 58 | * @param UserIdentity $user |
| 59 | * @param string $summary |
| 60 | * @param int $flags |
| 61 | * @param RevisionRecord $revisionRecord |
| 62 | * @param EditResult $editResult |
| 63 | * @return bool|void |
| 64 | */ |
| 65 | public function onPageSaveComplete( |
| 66 | $wikiPage, |
| 67 | $user, |
| 68 | $summary, |
| 69 | $flags, |
| 70 | $revisionRecord, |
| 71 | $editResult |
| 72 | ) { |
| 73 | if ( !$this->mode->isClient() ) { |
| 74 | // Nothing for us to do. |
| 75 | return; |
| 76 | } |
| 77 | |
| 78 | if ( defined( 'MW_UPDATER' ) || defined( 'MEDIAWIKI_INSTALL' ) ) { |
| 79 | // During an install or schema upgrade the wiki's pages are being (re)created by |
| 80 | // the bootstrap before the cross-wiki usage table exists (it lives on a virtual |
| 81 | // domain, so its schema update runs in a later pass than the page creation). A |
| 82 | // freshly bootstrapped page has no prior usage to clear anyway, so skip the write. |
| 83 | // Mirrors Echo's PageSaveComplete guard against the same install-time problem. |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | // Clear this page's rows from the shared cross-wiki usage table (T390557); any |
| 88 | // Functions still in use are re-recorded afterwards by WikifunctionsClientUsageUpdateJob. |
| 89 | // |
| 90 | // NOTE: This fires on every page save and deletes by (wiki, page_id) even for the |
| 91 | // vast majority of pages that never use a Function, so it is usually a no-op delete |
| 92 | // against the shared x1 cluster. We accept that for now. |
| 93 | $pageId = $wikiPage->getId(); |
| 94 | if ( $pageId > 0 ) { |
| 95 | $this->logger->debug( __METHOD__ . ': Clearing usage tracking for {page}', [ |
| 96 | 'page' => $wikiPage->getTitle()->getFullText(), |
| 97 | ] ); |
| 98 | WikiLambdaServices::getWikifunctionsUsageStore()->deleteUsageForPage( |
| 99 | WikiMap::getCurrentWikiId(), |
| 100 | $pageId |
| 101 | ); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/PageDeleteComplete |
| 107 | * |
| 108 | * @param ProperPageIdentity $page |
| 109 | * @param Authority $deleter |
| 110 | * @param string $reason |
| 111 | * @param int $pageID |
| 112 | * @param RevisionRecord $deletedRev |
| 113 | * @param \ManualLogEntry $logEntry |
| 114 | * @param int $archivedRevisionCount |
| 115 | * @return bool|void |
| 116 | */ |
| 117 | public function onPageDeleteComplete( |
| 118 | $page, $deleter, $reason, $pageID, $deletedRev, $logEntry, $archivedRevisionCount |
| 119 | ) { |
| 120 | if ( !$this->config->get( 'WikiLambdaEnableClientMode' ) ) { |
| 121 | // Nothing for us to do. |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | if ( defined( 'MW_UPDATER' ) || defined( 'MEDIAWIKI_INSTALL' ) ) { |
| 126 | // Skip during install/upgrade: the cross-wiki usage table may not exist yet, and |
| 127 | // the bootstrap does not delete pages. See onPageSaveComplete() for the full note. |
| 128 | return; |
| 129 | } |
| 130 | |
| 131 | // A deleted page no longer uses any Function, so drop its rows from the shared |
| 132 | // cross-wiki usage table. Unlike an edit, deletion fires no re-render to reconcile |
| 133 | // the rows, so without this they would leak permanently (page_ids are not reused). |
| 134 | $wikifunctionsUsageStore = WikiLambdaServices::getWikifunctionsUsageStore(); |
| 135 | $this->logger->debug( __METHOD__ . ': Clearing usage tracking for deleted page {pageId}', [ |
| 136 | 'pageId' => $pageID, |
| 137 | ] ); |
| 138 | $wikifunctionsUsageStore->deleteUsageForPage( WikiMap::getCurrentWikiId(), $pageID ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/PageMoveComplete |
| 143 | * |
| 144 | * @param LinkTarget $old |
| 145 | * @param LinkTarget $new |
| 146 | * @param UserIdentity $userIdentity |
| 147 | * @param int $pageid |
| 148 | * @param int $redirid |
| 149 | * @param string $reason |
| 150 | * @param RevisionRecord $revision |
| 151 | * @return bool|void |
| 152 | */ |
| 153 | public function onPageMoveComplete( |
| 154 | $old, $new, $userIdentity, $pageid, $redirid, $reason, $revision |
| 155 | ) { |
| 156 | if ( !$this->config->get( 'WikiLambdaEnableClientMode' ) ) { |
| 157 | // Nothing for us to do. |
| 158 | return; |
| 159 | } |
| 160 | |
| 161 | if ( defined( 'MW_UPDATER' ) || defined( 'MEDIAWIKI_INSTALL' ) ) { |
| 162 | // Skip during install/upgrade: the cross-wiki usage table may not exist yet, and |
| 163 | // the bootstrap does not move pages. See onPageSaveComplete() for the full note. |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | // A move keeps the page_id but may change the namespace and/or the title. |
| 168 | $oldTitle = Title::newFromLinkTarget( $old ); |
| 169 | $newTitle = Title::newFromLinkTarget( $new ); |
| 170 | $wiki = WikiMap::getCurrentWikiId(); |
| 171 | $wikifunctionsUsageStore = WikiLambdaServices::getWikifunctionsUsageStore(); |
| 172 | $this->logger->debug( __METHOD__ . ': Updating usage tracking for moved page {pageId}', [ |
| 173 | 'pageId' => $pageid, |
| 174 | ] ); |
| 175 | |
| 176 | if ( $oldTitle->getNamespace() === $newTitle->getNamespace() ) { |
| 177 | // In-namespace rename: the row's identity (wfu_wiki_id, encoding the namespace) is |
| 178 | // unchanged, so only the denormalised title is stale. Refresh it in place so the |
| 179 | // repo shows the new name immediately, rather than only after the moved page is |
| 180 | // next re-rendered. |
| 181 | $wikifunctionsUsageStore->updatePageTitle( $wiki, $pageid, $newTitle->getDBkey() ); |
| 182 | } else { |
| 183 | // A namespace change moves the row to a different wfu_wiki_id, which is part of its |
| 184 | // identity, so it can't be updated in place; and we don't know the Functions the |
| 185 | // page uses here to re-insert under the new id. Clear the stale rows — the page's |
| 186 | // next re-render re-records them with the correct namespace via the usage job. |
| 187 | $wikifunctionsUsageStore->deleteUsageForPage( $wiki, $pageid ); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/MakeGlobalVariablesScript |
| 193 | * |
| 194 | * @param array &$vars |
| 195 | * @param OutputPage $out |
| 196 | */ |
| 197 | public function onMakeGlobalVariablesScript( &$vars, $out ): void { |
| 198 | // 1. Add configuration flags |
| 199 | $vars['wgWikiLambdaEnableAbstractMode'] = $this->config->get( 'WikiLambdaEnableAbstractMode' ); |
| 200 | $vars['wgWikiLambdaEnableRepoMode'] = $this->config->get( 'WikiLambdaEnableRepoMode' ); |
| 201 | |
| 202 | // 2. Add wgWikifunctionsBaseUrl when the setup is non-repo |
| 203 | if ( !$this->mode->isRepo() ) { |
| 204 | $vars['wgWikifunctionsBaseUrl'] = $this->getClientTargetUrl(); |
| 205 | } |
| 206 | |
| 207 | // 3. Add primary namespace for Abstract content |
| 208 | if ( $this->mode->isAbstract() ) { |
| 209 | $namespaces = $this->config->get( 'WikiLambdaAbstractNamespaces' ); |
| 210 | $vars['wgWikiLambdaAbstractPrimaryNamespace'] = array_values( $namespaces )[0][0]; |
| 211 | } |
| 212 | |
| 213 | // 4. In client mode, expose the recommended-Wikifunctions list for the VE dialog. |
| 214 | // Sourced from CommunityConfiguration (T394410). |
| 215 | if ( $this->mode->isClient() ) { |
| 216 | $vars['wgWikiLambdaSuggestedFunctions'] = $this->loadProviderList( |
| 217 | 'WikifunctionsSuggestions' |
| 218 | ); |
| 219 | } |
| 220 | |
| 221 | // 5. In abstract mode, expose the suggested HTML-returning Wikifunctions shown |
| 222 | // in the Abstract Article "Add fragment" menu. |
| 223 | if ( $this->mode->isAbstract() ) { |
| 224 | $vars['wgWikiLambdaAbstractSuggestions'] = $this->loadProviderList( |
| 225 | 'AbstractWikiSuggestedWikifunctions' |
| 226 | ); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Resolve a CommunityConfiguration-managed list of ZIDs for injection into |
| 232 | * wgWikiLambda* config. Returns an empty list if CommunityConfiguration is |
| 233 | * not loaded or the lookup fails. |
| 234 | * |
| 235 | * @param string $providerId CC provider ID (e.g. "WikifunctionsSuggestions") |
| 236 | * @return string[] |
| 237 | */ |
| 238 | private function loadProviderList( string $providerId ): array { |
| 239 | if ( !$this->providerFactory ) { |
| 240 | return []; |
| 241 | } |
| 242 | try { |
| 243 | $provider = $this->providerFactory->newProvider( $providerId ); |
| 244 | $status = $provider->loadValidConfiguration(); |
| 245 | if ( $status->isOK() ) { |
| 246 | $value = $status->getValue(); |
| 247 | return array_values( (array)( $value->SuggestedFunctions ?? [] ) ); |
| 248 | } |
| 249 | } catch ( Throwable $e ) { |
| 250 | $this->logger->warning( |
| 251 | __METHOD__ . ': CommunityConfiguration lookup for {id} failed: {msg}', |
| 252 | [ 'id' => $providerId, 'msg' => $e->getMessage() ] |
| 253 | ); |
| 254 | } |
| 255 | return []; |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/ResourceLoaderRegisterModules |
| 260 | * |
| 261 | * @param ResourceLoader $resourceLoader |
| 262 | * @return void |
| 263 | */ |
| 264 | public function onResourceLoaderRegisterModules( ResourceLoader $resourceLoader ): void { |
| 265 | // TODO (T386013): Once client mode is always enabled, register this statically in extension.json |
| 266 | // via the ResourceModules definition. |
| 267 | |
| 268 | if ( |
| 269 | $this->mode->isClient() |
| 270 | && ExtensionRegistry::getInstance()->isLoaded( 'VisualEditor' ) |
| 271 | ) { |
| 272 | $directoryName = __DIR__ . '/../../resources/ext.wikilambda.visualeditor'; |
| 273 | |
| 274 | // First, register our custom icons so we can depend on them |
| 275 | $resourceLoader->register( 'ext.wikilambda.visualeditor.icons', [ |
| 276 | 'class' => ImageModule::class, |
| 277 | // We're writing to the global OOUI icon namespace for now. |
| 278 | 'selector' => '.oo-ui-icon-{name}', |
| 279 | 'images' => [ |
| 280 | 'functionObject' => [ "file" => "icons/functionObject.svg" ] |
| 281 | ], |
| 282 | 'localBasePath' => $directoryName, |
| 283 | 'remoteExtPath' => 'WikiLambda/resources' |
| 284 | ] ); |
| 285 | |
| 286 | // Now register our actual bundle |
| 287 | $files = [ |
| 288 | 've.init.mw.WikifunctionsCall.js', |
| 289 | 've.dm.WikifunctionsCallNode.js', |
| 290 | 've.ce.WikifunctionsCallNode.js', |
| 291 | 've.ui.WikifunctionsCallContextItem.js', |
| 292 | 've.ui.WikifunctionsCallDialogTool.js', |
| 293 | 've.ui.WikifunctionsCallDialog.js', |
| 294 | ]; |
| 295 | |
| 296 | $files[] = [ |
| 297 | 'name' => 'init.js', |
| 298 | 'main' => true, |
| 299 | 'content' => array_reduce( $files, static function ( $carry, $file ) { |
| 300 | return "$carry\nrequire('./$file');\n"; |
| 301 | }, '' ), |
| 302 | ]; |
| 303 | |
| 304 | $visualEditorWfConfig = [ |
| 305 | 'dependencies' => [ |
| 306 | 'ext.visualEditor.mwcore', |
| 307 | 'ext.visualEditor.mwtransclusion', |
| 308 | 'ext.wikilambda.visualeditor.icons', |
| 309 | ], |
| 310 | 'localBasePath' => $directoryName, |
| 311 | 'remoteExtPath' => 'WikiLambda/resources', |
| 312 | 'packageFiles' => $files, |
| 313 | 'messages' => [ |
| 314 | 'wikilambda-visualeditor-wikifunctionscall-ce-loading', |
| 315 | 'wikilambda-visualeditor-wikifunctionscall-ce-abort', |
| 316 | 'wikilambda-visualeditor-wikifunctionscall-error', |
| 317 | 'wikilambda-visualeditor-wikifunctionscall-title', |
| 318 | 'wikilambda-visualeditor-wikifunctionscall-popup-loading', |
| 319 | 'wikilambda-visualeditor-wikifunctionscall-dialog-search-no-results', |
| 320 | 'wikilambda-visualeditor-wikifunctionscall-dialog-search-placeholder', |
| 321 | 'wikilambda-visualeditor-wikifunctionscall-dialog-search-results-title', |
| 322 | 'wikilambda-visualeditor-wikifunctionscall-dialog-suggested-functions-title', |
| 323 | 'wikilambda-visualeditor-wikifunctionscall-dialog-string-input-placeholder', |
| 324 | 'wikilambda-visualeditor-wikifunctionscall-dialog-enum-selector-placeholder', |
| 325 | 'wikilambda-visualeditor-wikifunctionscall-dialog-function-link-footer', |
| 326 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-suggest-title', |
| 327 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-suggest-description', |
| 328 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-create-title', |
| 329 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-create-description', |
| 330 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-explore-title', |
| 331 | 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-explore-description', |
| 332 | 'wikilambda-visualeditor-wikifunctionscall-error-bad-function', |
| 333 | 'wikilambda-visualeditor-wikifunctionscall-error-enum', |
| 334 | 'wikilambda-visualeditor-wikifunctionscall-error-language', |
| 335 | 'wikilambda-visualeditor-wikifunctionscall-error-parser', |
| 336 | 'wikilambda-visualeditor-wikifunctionscall-error-parser-empty', |
| 337 | 'wikilambda-visualeditor-wikifunctionscall-error-wikidata-lexeme', |
| 338 | 'wikilambda-visualeditor-wikifunctionscall-error-wikidata-property', |
| 339 | 'wikilambda-visualeditor-wikifunctionscall-error-wikidata-item', |
| 340 | 'wikilambda-visualeditor-wikifunctionscall-error-wikidata-lexeme-form', |
| 341 | 'wikilambda-visualeditor-wikifunctionscall-dialog-read-more-description', |
| 342 | 'wikilambda-visualeditor-wikifunctionscall-dialog-read-less-description', |
| 343 | 'wikilambda-visualeditor-wikifunctionscall-info-missing-content', |
| 344 | 'brackets', |
| 345 | 'wikilambda-visualeditor-wikifunctionscall-back', |
| 346 | 'wikilambda-visualeditor-wikifunctionscall-changedesc-title', |
| 347 | 'wikilambda-visualeditor-wikifunctionscall-no-name', |
| 348 | 'wikilambda-visualeditor-wikifunctionscall-no-description', |
| 349 | 'wikilambda-visualeditor-wikifunctionscall-no-input-label', |
| 350 | 'wikilambda-visualeditor-wikifunctionscall-preview-title', |
| 351 | 'wikilambda-visualeditor-wikifunctionscall-preview-no-result', |
| 352 | 'wikilambda-visualeditor-wikifunctionscall-preview-retry-button-label', |
| 353 | 'wikilambda-visualeditor-wikifunctionscall-preview-cancel-button-label', |
| 354 | 'wikilambda-visualeditor-wikifunctionscall-preview-cancelled', |
| 355 | 'wikilambda-visualeditor-wikifunctionscall-preview-error', |
| 356 | 'wikilambda-visualeditor-wikifunctionscall-preview-html-fragment-toggle', |
| 357 | 'wikilambda-visualeditor-wikifunctionscall-default-value-date', |
| 358 | 'wikilambda-visualeditor-wikifunctionscall-default-value-wikidata-item', |
| 359 | 'wikilambda-visualeditor-wikifunctionscall-default-value-language', |
| 360 | 'wikilambda-functioncall-error-message', |
| 361 | "wikilambda-functioncall-error-message-unknown", |
| 362 | "wikilambda-functioncall-error-message-not-supported", |
| 363 | "wikilambda-functioncall-error-message-bad-inputs", |
| 364 | "wikilambda-functioncall-error-message-bad-input-type", |
| 365 | "wikilambda-functioncall-error-message-bad-langs", |
| 366 | "wikilambda-functioncall-error-message-disabled", |
| 367 | "wikilambda-functioncall-error-message-system", |
| 368 | 'wikilambda-functioncall-error', |
| 369 | 'wikilambda-functioncall-error-evaluation', |
| 370 | "wikilambda-functioncall-error-unclear", |
| 371 | "wikilambda-functioncall-error-unknown-zid", |
| 372 | "wikilambda-functioncall-error-invalid-zobject", |
| 373 | "wikilambda-functioncall-error-nonfunction", |
| 374 | "wikilambda-functioncall-error-nonstringinput", |
| 375 | "wikilambda-functioncall-error-nonstringoutput", |
| 376 | "wikilambda-functioncall-error-bad-langs", |
| 377 | "wikilambda-functioncall-error-bad-inputs", |
| 378 | "wikilambda-functioncall-error-bad-input-type", |
| 379 | "wikilambda-functioncall-error-bad-output", |
| 380 | ], |
| 381 | 'styles' => [ |
| 382 | 'ext.wikilambda.visualeditor.less', |
| 383 | ] |
| 384 | ]; |
| 385 | |
| 386 | $resourceLoader->register( 'ext.wikilambda.visualeditor', $visualEditorWfConfig ); |
| 387 | |
| 388 | // Finally, register the Codex module for the inline errors |
| 389 | $resourceLoader->register( 'ext.wikilambda.inlineerrors', [ |
| 390 | 'class' => CodexModule::class, |
| 391 | 'codexStyleOnly' => true, |
| 392 | 'codexComponents' => [ |
| 393 | 'CdxInfoChip', |
| 394 | ], |
| 395 | ] ); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Return the Url of the Wikilambda server instance, |
| 401 | * and if not available in the configuration variables, |
| 402 | * returns an empty string and logs an error. |
| 403 | * |
| 404 | * @return string |
| 405 | */ |
| 406 | private function getClientTargetUrl(): string { |
| 407 | $targetUrl = $this->config->get( 'WikiLambdaClientTargetAPI' ); |
| 408 | if ( !$targetUrl ) { |
| 409 | $this->logger->error( __METHOD__ . ': missing configuration variable WikiLambdaClientTargetAPI' ); |
| 410 | } |
| 411 | return $targetUrl ?? ''; |
| 412 | } |
| 413 | } |