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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2004 Brooke Vibber <bvibber@wikimedia.org> |
| 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 along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | */ |
| 22 | |
| 23 | namespace MediaWiki\Specials; |
| 24 | |
| 25 | use ISearchResultSet; |
| 26 | use MediaWiki\Config\ServiceOptions; |
| 27 | use MediaWiki\Content\IContentHandlerFactory; |
| 28 | use MediaWiki\Deferred\DeferredUpdates; |
| 29 | use MediaWiki\Html\Html; |
| 30 | use MediaWiki\Interwiki\InterwikiLookup; |
| 31 | use MediaWiki\Languages\LanguageConverterFactory; |
| 32 | use MediaWiki\MainConfigNames; |
| 33 | use MediaWiki\Message\Message; |
| 34 | use MediaWiki\Output\OutputPage; |
| 35 | use MediaWiki\Request\WebRequest; |
| 36 | use MediaWiki\Search\SearchResultThumbnailProvider; |
| 37 | use MediaWiki\Search\SearchWidgets\BasicSearchResultSetWidget; |
| 38 | use MediaWiki\Search\SearchWidgets\DidYouMeanWidget; |
| 39 | use MediaWiki\Search\SearchWidgets\FullSearchResultWidget; |
| 40 | use MediaWiki\Search\SearchWidgets\InterwikiSearchResultSetWidget; |
| 41 | use MediaWiki\Search\SearchWidgets\InterwikiSearchResultWidget; |
| 42 | use MediaWiki\Search\SearchWidgets\SearchFormWidget; |
| 43 | use MediaWiki\Search\TitleMatcher; |
| 44 | use MediaWiki\SpecialPage\SpecialPage; |
| 45 | use MediaWiki\Status\Status; |
| 46 | use MediaWiki\Title\NamespaceInfo; |
| 47 | use MediaWiki\Title\Title; |
| 48 | use MediaWiki\User\Options\UserOptionsManager; |
| 49 | use MediaWiki\Xml\Xml; |
| 50 | use RepoGroup; |
| 51 | use SearchEngine; |
| 52 | use SearchEngineConfig; |
| 53 | use SearchEngineFactory; |
| 54 | use Wikimedia\Rdbms\ReadOnlyMode; |
| 55 | |
| 56 | /** |
| 57 | * Run text & title search and display the output |
| 58 | * |
| 59 | * @ingroup SpecialPage |
| 60 | * @ingroup Search |
| 61 | */ |
| 62 | class SpecialSearch extends SpecialPage { |
| 63 | /** |
| 64 | * Current search profile. Search profile is just a name that identifies |
| 65 | * the active search tab on the search page (content, discussions...) |
| 66 | * For users tt replaces the set of enabled namespaces from the query |
| 67 | * string when applicable. Extensions can add new profiles with hooks |
| 68 | * with custom search options just for that profile. |
| 69 | * @var null|string |
| 70 | */ |
| 71 | protected $profile; |
| 72 | |
| 73 | /** @var SearchEngine Search engine */ |
| 74 | protected $searchEngine; |
| 75 | |
| 76 | /** @var string|null Search engine type, if not default */ |
| 77 | protected $searchEngineType = null; |
| 78 | |
| 79 | /** @var array For links */ |
| 80 | protected $extraParams = []; |
| 81 | |
| 82 | /** |
| 83 | * @var string The prefix url parameter. Set on the searcher and the |
| 84 | * is expected to treat it as prefix filter on titles. |
| 85 | */ |
| 86 | protected $mPrefix; |
| 87 | |
| 88 | protected int $limit; |
| 89 | protected int $offset; |
| 90 | |
| 91 | /** |
| 92 | * @var array |
| 93 | */ |
| 94 | protected $namespaces; |
| 95 | |
| 96 | /** |
| 97 | * @var string |
| 98 | */ |
| 99 | protected $fulltext; |
| 100 | |
| 101 | /** |
| 102 | * @var string |
| 103 | */ |
| 104 | protected $sort = SearchEngine::DEFAULT_SORT; |
| 105 | |
| 106 | /** |
| 107 | * @var bool |
| 108 | */ |
| 109 | protected $runSuggestion = true; |
| 110 | |
| 111 | /** |
| 112 | * Search engine configurations. |
| 113 | * @var SearchEngineConfig |
| 114 | */ |
| 115 | protected $searchConfig; |
| 116 | |
| 117 | private SearchEngineFactory $searchEngineFactory; |
| 118 | private NamespaceInfo $nsInfo; |
| 119 | private IContentHandlerFactory $contentHandlerFactory; |
| 120 | private InterwikiLookup $interwikiLookup; |
| 121 | private ReadOnlyMode $readOnlyMode; |
| 122 | private UserOptionsManager $userOptionsManager; |
| 123 | private LanguageConverterFactory $languageConverterFactory; |
| 124 | private RepoGroup $repoGroup; |
| 125 | private SearchResultThumbnailProvider $thumbnailProvider; |
| 126 | private TitleMatcher $titleMatcher; |
| 127 | |
| 128 | /** |
| 129 | * @var Status Holds any parameter validation errors that should |
| 130 | * be displayed back to the user. |
| 131 | */ |
| 132 | private $loadStatus; |
| 133 | |
| 134 | private const NAMESPACES_CURRENT = 'sense'; |
| 135 | |
| 136 | /** |
| 137 | * @param SearchEngineConfig $searchConfig |
| 138 | * @param SearchEngineFactory $searchEngineFactory |
| 139 | * @param NamespaceInfo $nsInfo |
| 140 | * @param IContentHandlerFactory $contentHandlerFactory |
| 141 | * @param InterwikiLookup $interwikiLookup |
| 142 | * @param ReadOnlyMode $readOnlyMode |
| 143 | * @param UserOptionsManager $userOptionsManager |
| 144 | * @param LanguageConverterFactory $languageConverterFactory |
| 145 | * @param RepoGroup $repoGroup |
| 146 | * @param SearchResultThumbnailProvider $thumbnailProvider |
| 147 | * @param TitleMatcher $titleMatcher |
| 148 | */ |
| 149 | public function __construct( |
| 150 | SearchEngineConfig $searchConfig, |
| 151 | SearchEngineFactory $searchEngineFactory, |
| 152 | NamespaceInfo $nsInfo, |
| 153 | IContentHandlerFactory $contentHandlerFactory, |
| 154 | InterwikiLookup $interwikiLookup, |
| 155 | ReadOnlyMode $readOnlyMode, |
| 156 | UserOptionsManager $userOptionsManager, |
| 157 | LanguageConverterFactory $languageConverterFactory, |
| 158 | RepoGroup $repoGroup, |
| 159 | SearchResultThumbnailProvider $thumbnailProvider, |
| 160 | TitleMatcher $titleMatcher |
| 161 | ) { |
| 162 | parent::__construct( 'Search' ); |
| 163 | $this->searchConfig = $searchConfig; |
| 164 | $this->searchEngineFactory = $searchEngineFactory; |
| 165 | $this->nsInfo = $nsInfo; |
| 166 | $this->contentHandlerFactory = $contentHandlerFactory; |
| 167 | $this->interwikiLookup = $interwikiLookup; |
| 168 | $this->readOnlyMode = $readOnlyMode; |
| 169 | $this->userOptionsManager = $userOptionsManager; |
| 170 | $this->languageConverterFactory = $languageConverterFactory; |
| 171 | $this->repoGroup = $repoGroup; |
| 172 | $this->thumbnailProvider = $thumbnailProvider; |
| 173 | $this->titleMatcher = $titleMatcher; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Entry point |
| 178 | * |
| 179 | * @param string|null $par |
| 180 | */ |
| 181 | public function execute( $par ) { |
| 182 | $request = $this->getRequest(); |
| 183 | $out = $this->getOutput(); |
| 184 | |
| 185 | // Fetch the search term |
| 186 | $term = str_replace( "\n", " ", $request->getText( 'search' ) ); |
| 187 | |
| 188 | // Historically search terms have been accepted not only in the search query |
| 189 | // parameter, but also as part of the primary url. This can have PII implications |
| 190 | // in releasing page view data. As such issue a 301 redirect to the correct |
| 191 | // URL. |
| 192 | if ( $par !== null && $par !== '' && $term === '' ) { |
| 193 | $query = $request->getQueryValues(); |
| 194 | unset( $query['title'] ); |
| 195 | // Strip underscores from title parameter; most of the time we'll want |
| 196 | // text form here. But don't strip underscores from actual text params! |
| 197 | $query['search'] = str_replace( '_', ' ', $par ); |
| 198 | $out->redirect( $this->getPageTitle()->getFullURL( $query ), 301 ); |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | // Need to load selected namespaces before handling nsRemember |
| 203 | $this->load(); |
| 204 | // TODO: This performs database actions on GET request, which is going to |
| 205 | // be a problem for our multi-datacenter work. |
| 206 | if ( $request->getCheck( 'nsRemember' ) ) { |
| 207 | $this->saveNamespaces(); |
| 208 | // Remove the token from the URL to prevent the user from inadvertently |
| 209 | // exposing it (e.g. by pasting it into a public wiki page) or undoing |
| 210 | // later settings changes (e.g. by reloading the page). |
| 211 | $query = $request->getQueryValues(); |
| 212 | unset( $query['title'], $query['nsRemember'] ); |
| 213 | $out->redirect( $this->getPageTitle()->getFullURL( $query ) ); |
| 214 | return; |
| 215 | } |
| 216 | |
| 217 | if ( !$request->getVal( 'fulltext' ) && !$request->getCheck( 'offset' ) ) { |
| 218 | $url = $this->goResult( $term ); |
| 219 | if ( $url !== null ) { |
| 220 | // successful 'go' |
| 221 | $out->redirect( $url ); |
| 222 | return; |
| 223 | } |
| 224 | // No match. If it could plausibly be a title |
| 225 | // run the No go match hook. |
| 226 | $title = Title::newFromText( $term ); |
| 227 | if ( $title !== null ) { |
| 228 | $this->getHookRunner()->onSpecialSearchNogomatch( $title ); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | $this->setupPage( $term ); |
| 233 | |
| 234 | if ( $this->getConfig()->get( MainConfigNames::DisableTextSearch ) ) { |
| 235 | $searchForwardUrl = $this->getConfig()->get( MainConfigNames::SearchForwardUrl ); |
| 236 | if ( $searchForwardUrl ) { |
| 237 | $url = str_replace( '$1', urlencode( $term ), $searchForwardUrl ); |
| 238 | $out->redirect( $url ); |
| 239 | } else { |
| 240 | $out->addHTML( $this->showGoogleSearch( $term ) ); |
| 241 | } |
| 242 | |
| 243 | return; |
| 244 | } |
| 245 | |
| 246 | $this->showResults( $term ); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Output a google search form if search is disabled |
| 251 | * |
| 252 | * @param string $term Search term |
| 253 | * @todo FIXME Maybe we should get rid of this raw html message at some future time |
| 254 | * @return string HTML |
| 255 | * @return-taint escaped |
| 256 | */ |
| 257 | private function showGoogleSearch( $term ) { |
| 258 | return "<fieldset>" . |
| 259 | "<legend>" . |
| 260 | $this->msg( 'search-external' )->escaped() . |
| 261 | "</legend>" . |
| 262 | "<p class='mw-searchdisabled'>" . |
| 263 | $this->msg( 'searchdisabled' )->escaped() . |
| 264 | "</p>" . |
| 265 | // googlesearch is part of $wgRawHtmlMessages and safe to use as is here |
| 266 | $this->msg( 'googlesearch' )->rawParams( |
| 267 | htmlspecialchars( $term ), |
| 268 | 'UTF-8', |
| 269 | $this->msg( 'searchbutton' )->escaped() |
| 270 | )->text() . |
| 271 | "</fieldset>"; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Set up basic search parameters from the request and user settings. |
| 276 | * |
| 277 | * @see tests/phpunit/includes/specials/SpecialSearchTest.php |
| 278 | */ |
| 279 | public function load() { |
| 280 | $this->loadStatus = new Status(); |
| 281 | |
| 282 | $request = $this->getRequest(); |
| 283 | $this->searchEngineType = $request->getVal( 'srbackend' ); |
| 284 | |
| 285 | [ $this->limit, $this->offset ] = $request->getLimitOffsetForUser( |
| 286 | $this->getUser(), |
| 287 | 20, |
| 288 | 'searchlimit' |
| 289 | ); |
| 290 | $this->mPrefix = $request->getVal( 'prefix', '' ); |
| 291 | if ( $this->mPrefix !== '' ) { |
| 292 | $this->setExtraParam( 'prefix', $this->mPrefix ); |
| 293 | } |
| 294 | |
| 295 | $sort = $request->getVal( 'sort', SearchEngine::DEFAULT_SORT ); |
| 296 | $validSorts = $this->getSearchEngine()->getValidSorts(); |
| 297 | if ( !in_array( $sort, $validSorts ) ) { |
| 298 | $this->loadStatus->warning( 'search-invalid-sort-order', $sort, |
| 299 | implode( ', ', $validSorts ) ); |
| 300 | } elseif ( $sort !== $this->sort ) { |
| 301 | $this->sort = $sort; |
| 302 | $this->setExtraParam( 'sort', $this->sort ); |
| 303 | } |
| 304 | |
| 305 | $user = $this->getUser(); |
| 306 | |
| 307 | # Extract manually requested namespaces |
| 308 | $nslist = $this->powerSearch( $request ); |
| 309 | if ( $nslist === [] ) { |
| 310 | # Fallback to user preference |
| 311 | $nslist = $this->searchConfig->userNamespaces( $user ); |
| 312 | } |
| 313 | |
| 314 | $profile = null; |
| 315 | if ( $nslist === [] ) { |
| 316 | $profile = 'default'; |
| 317 | } |
| 318 | |
| 319 | $profile = $request->getVal( 'profile', $profile ); |
| 320 | $profiles = $this->getSearchProfiles(); |
| 321 | if ( $profile === null ) { |
| 322 | // BC with old request format |
| 323 | $profile = 'advanced'; |
| 324 | foreach ( $profiles as $key => $data ) { |
| 325 | if ( $nslist === $data['namespaces'] && $key !== 'advanced' ) { |
| 326 | $profile = $key; |
| 327 | } |
| 328 | } |
| 329 | $this->namespaces = $nslist; |
| 330 | } elseif ( $profile === 'advanced' ) { |
| 331 | $this->namespaces = $nslist; |
| 332 | } elseif ( isset( $profiles[$profile]['namespaces'] ) ) { |
| 333 | $this->namespaces = $profiles[$profile]['namespaces']; |
| 334 | } else { |
| 335 | // Unknown profile requested |
| 336 | $this->loadStatus->warning( 'search-unknown-profile', $profile ); |
| 337 | $profile = 'default'; |
| 338 | $this->namespaces = $profiles['default']['namespaces']; |
| 339 | } |
| 340 | |
| 341 | $this->fulltext = $request->getVal( 'fulltext' ); |
| 342 | $this->runSuggestion = (bool)$request->getVal( 'runsuggestion', '1' ); |
| 343 | $this->profile = $profile; |
| 344 | } |
| 345 | |
| 346 | /** |
| 347 | * If an exact title match can be found, jump straight ahead to it. |
| 348 | * |
| 349 | * @param string $term |
| 350 | * @return string|null The url to redirect to, or null if no redirect. |
| 351 | */ |
| 352 | public function goResult( $term ) { |
| 353 | # If the string cannot be used to create a title |
| 354 | if ( Title::newFromText( $term ) === null ) { |
| 355 | return null; |
| 356 | } |
| 357 | # If there's an exact or very near match, jump right there. |
| 358 | $title = $this->titleMatcher->getNearMatch( $term ); |
| 359 | if ( $title === null ) { |
| 360 | return null; |
| 361 | } |
| 362 | $url = null; |
| 363 | if ( !$this->getHookRunner()->onSpecialSearchGoResult( $term, $title, $url ) ) { |
| 364 | return null; |
| 365 | } |
| 366 | |
| 367 | if ( |
| 368 | // If there is a preference set to NOT redirect on exact page match |
| 369 | // then return null (which prevents direction) |
| 370 | !$this->redirectOnExactMatch() |
| 371 | // BUT ... |
| 372 | // ... ignore no-redirect preference if the exact page match is an interwiki link |
| 373 | && !$title->isExternal() |
| 374 | // ... ignore no-redirect preference if the exact page match is NOT in the main |
| 375 | // namespace AND there's a namespace in the search string |
| 376 | && !( $title->getNamespace() !== NS_MAIN && strpos( $term, ':' ) > 0 ) |
| 377 | ) { |
| 378 | return null; |
| 379 | } |
| 380 | |
| 381 | return $url ?? $title->getFullUrlForRedirect(); |
| 382 | } |
| 383 | |
| 384 | private function redirectOnExactMatch() { |
| 385 | if ( !$this->getConfig()->get( MainConfigNames::SearchMatchRedirectPreference ) ) { |
| 386 | // If the preference for whether to redirect is disabled, use the default setting |
| 387 | return $this->userOptionsManager->getDefaultOption( |
| 388 | 'search-match-redirect', |
| 389 | $this->getUser() |
| 390 | ); |
| 391 | } else { |
| 392 | // Otherwise use the user's preference |
| 393 | return $this->userOptionsManager->getOption( $this->getUser(), 'search-match-redirect' ); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * @param string $term |
| 399 | */ |
| 400 | public function showResults( $term ) { |
| 401 | if ( $this->searchEngineType !== null ) { |
| 402 | $this->setExtraParam( 'srbackend', $this->searchEngineType ); |
| 403 | } |
| 404 | |
| 405 | $out = $this->getOutput(); |
| 406 | $widgetOptions = $this->getConfig()->get( MainConfigNames::SpecialSearchFormOptions ); |
| 407 | $formWidget = new SearchFormWidget( |
| 408 | new ServiceOptions( |
| 409 | SearchFormWidget::CONSTRUCTOR_OPTIONS, |
| 410 | $this->getConfig() |
| 411 | ), |
| 412 | $this, |
| 413 | $this->searchConfig, |
| 414 | $this->getHookContainer(), |
| 415 | $this->languageConverterFactory->getLanguageConverter( $this->getLanguage() ), |
| 416 | $this->nsInfo, |
| 417 | $this->getSearchProfiles() |
| 418 | ); |
| 419 | $filePrefix = $this->getContentLanguage()->getFormattedNsText( NS_FILE ) . ':'; |
| 420 | if ( trim( $term ) === '' || $filePrefix === trim( $term ) ) { |
| 421 | // Empty query -- straight view of search form |
| 422 | if ( !$this->getHookRunner()->onSpecialSearchResultsPrepend( $this, $out, $term ) ) { |
| 423 | # Hook requested termination |
| 424 | return; |
| 425 | } |
| 426 | $out->enableOOUI(); |
| 427 | // The form also contains the 'Showing results 0 - 20 of 1234' so we can |
| 428 | // only do the form render here for the empty $term case. Rendering |
| 429 | // the form when a search is provided is repeated below. |
| 430 | $out->addHTML( $formWidget->render( |
| 431 | $this->profile, $term, 0, 0, $this->offset, $this->isPowerSearch(), $widgetOptions |
| 432 | ) ); |
| 433 | return; |
| 434 | } |
| 435 | |
| 436 | $engine = $this->getSearchEngine(); |
| 437 | $engine->setFeatureData( 'rewrite', $this->runSuggestion ); |
| 438 | $engine->setLimitOffset( $this->limit, $this->offset ); |
| 439 | $engine->setNamespaces( $this->namespaces ); |
| 440 | $engine->setSort( $this->sort ); |
| 441 | $engine->prefix = $this->mPrefix; |
| 442 | |
| 443 | $this->getHookRunner()->onSpecialSearchSetupEngine( $this, $this->profile, $engine ); |
| 444 | if ( !$this->getHookRunner()->onSpecialSearchResultsPrepend( $this, $out, $term ) ) { |
| 445 | # Hook requested termination |
| 446 | return; |
| 447 | } |
| 448 | |
| 449 | $title = Title::newFromText( $term ); |
| 450 | $languageConverter = $this->languageConverterFactory->getLanguageConverter( $this->getContentLanguage() ); |
| 451 | if ( $languageConverter->hasVariants() ) { |
| 452 | // findVariantLink will replace the link arg as well but we want to keep our original |
| 453 | // search string, use a copy in the $variantTerm var so that $term remains intact. |
| 454 | $variantTerm = $term; |
| 455 | $languageConverter->findVariantLink( $variantTerm, $title ); |
| 456 | } |
| 457 | |
| 458 | $showSuggestion = $title === null || !$title->isKnown(); |
| 459 | $engine->setShowSuggestion( $showSuggestion ); |
| 460 | |
| 461 | $rewritten = $engine->replacePrefixes( $term ); |
| 462 | if ( $rewritten !== $term ) { |
| 463 | wfDeprecatedMsg( 'SearchEngine::replacePrefixes() was overridden by ' . |
| 464 | get_class( $engine ) . ', this is deprecated since MediaWiki 1.32', |
| 465 | '1.32', false, false ); |
| 466 | } |
| 467 | |
| 468 | // fetch search results |
| 469 | $titleMatches = $engine->searchTitle( $rewritten ); |
| 470 | $textMatches = $engine->searchText( $rewritten ); |
| 471 | |
| 472 | $textStatus = null; |
| 473 | if ( $textMatches instanceof Status ) { |
| 474 | $textStatus = $textMatches; |
| 475 | $textMatches = $textStatus->getValue(); |
| 476 | } |
| 477 | |
| 478 | // Get number of results |
| 479 | $titleMatchesNum = $textMatchesNum = $numTitleMatches = $numTextMatches = 0; |
| 480 | if ( $titleMatches ) { |
| 481 | $titleMatchesNum = $titleMatches->numRows(); |
| 482 | $numTitleMatches = $titleMatches->getTotalHits(); |
| 483 | } |
| 484 | if ( $textMatches ) { |
| 485 | $textMatchesNum = $textMatches->numRows(); |
| 486 | $numTextMatches = $textMatches->getTotalHits(); |
| 487 | if ( $textMatchesNum > 0 ) { |
| 488 | $engine->augmentSearchResults( $textMatches ); |
| 489 | } |
| 490 | } |
| 491 | $num = $titleMatchesNum + $textMatchesNum; |
| 492 | $totalRes = $numTitleMatches + $numTextMatches; |
| 493 | |
| 494 | // start rendering the page |
| 495 | $out->enableOOUI(); |
| 496 | $out->addHTML( $formWidget->render( |
| 497 | $this->profile, $term, $num, $totalRes, $this->offset, $this->isPowerSearch(), $widgetOptions |
| 498 | ) ); |
| 499 | |
| 500 | // did you mean... suggestions |
| 501 | if ( $textMatches ) { |
| 502 | $dymWidget = new DidYouMeanWidget( $this ); |
| 503 | $out->addHTML( $dymWidget->render( $term, $textMatches ) ); |
| 504 | } |
| 505 | |
| 506 | $hasSearchErrors = $textStatus && $textStatus->getMessages() !== []; |
| 507 | $hasInlineIwResults = $textMatches && |
| 508 | $textMatches->hasInterwikiResults( ISearchResultSet::INLINE_RESULTS ); |
| 509 | $hasSecondaryIwResults = $textMatches && |
| 510 | $textMatches->hasInterwikiResults( ISearchResultSet::SECONDARY_RESULTS ); |
| 511 | |
| 512 | $classNames = [ 'searchresults' ]; |
| 513 | if ( $hasSecondaryIwResults ) { |
| 514 | $classNames[] = 'mw-searchresults-has-iw'; |
| 515 | } |
| 516 | if ( $this->offset > 0 ) { |
| 517 | $classNames[] = 'mw-searchresults-has-offset'; |
| 518 | } |
| 519 | $out->addHTML( '<div class="' . implode( ' ', $classNames ) . '">' ); |
| 520 | |
| 521 | $out->addHTML( '<div class="mw-search-results-info">' ); |
| 522 | |
| 523 | if ( $hasSearchErrors || $this->loadStatus->getMessages() ) { |
| 524 | if ( $textStatus === null ) { |
| 525 | $textStatus = $this->loadStatus; |
| 526 | } else { |
| 527 | $textStatus->merge( $this->loadStatus ); |
| 528 | } |
| 529 | [ $error, $warning ] = $textStatus->splitByErrorType(); |
| 530 | if ( $error->getMessages() ) { |
| 531 | $out->addHTML( Html::errorBox( |
| 532 | $error->getHTML( 'search-error' ) |
| 533 | ) ); |
| 534 | } |
| 535 | if ( $warning->getMessages() ) { |
| 536 | $out->addHTML( Html::warningBox( |
| 537 | $warning->getHTML( 'search-warning' ) |
| 538 | ) ); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | // If we have no results and have not already displayed an error message |
| 543 | if ( $num === 0 && !$hasSearchErrors ) { |
| 544 | $out->wrapWikiMsg( "<p class=\"mw-search-nonefound\">\n$1</p>", [ |
| 545 | $hasInlineIwResults ? 'search-nonefound-thiswiki' : 'search-nonefound', |
| 546 | wfEscapeWikiText( $term ), |
| 547 | $term |
| 548 | ] ); |
| 549 | } |
| 550 | |
| 551 | // Show the create link ahead |
| 552 | $this->showCreateLink( $title, $num, $titleMatches, $textMatches ); |
| 553 | |
| 554 | $this->getHookRunner()->onSpecialSearchResults( $term, $titleMatches, $textMatches ); |
| 555 | |
| 556 | // Close <div class='mw-search-results-info'> |
| 557 | $out->addHTML( '</div>' ); |
| 558 | |
| 559 | // Although $num might be 0 there can still be secondary or inline |
| 560 | // results to display. |
| 561 | $linkRenderer = $this->getLinkRenderer(); |
| 562 | $mainResultWidget = new FullSearchResultWidget( |
| 563 | $this, |
| 564 | $linkRenderer, |
| 565 | $this->getHookContainer(), |
| 566 | $this->repoGroup, |
| 567 | $this->thumbnailProvider, |
| 568 | $this->userOptionsManager |
| 569 | ); |
| 570 | |
| 571 | $sidebarResultWidget = new InterwikiSearchResultWidget( $this, $linkRenderer ); |
| 572 | $sidebarResultsWidget = new InterwikiSearchResultSetWidget( |
| 573 | $this, |
| 574 | $sidebarResultWidget, |
| 575 | $linkRenderer, |
| 576 | $this->interwikiLookup, |
| 577 | $engine->getFeatureData( 'show-multimedia-search-results' ) |
| 578 | ); |
| 579 | |
| 580 | $widget = new BasicSearchResultSetWidget( $this, $mainResultWidget, $sidebarResultsWidget ); |
| 581 | |
| 582 | $out->addHTML( '<div class="mw-search-visualclear"></div>' ); |
| 583 | $this->prevNextLinks( $totalRes, $textMatches, $term, 'mw-search-pager-top', $out ); |
| 584 | |
| 585 | $out->addHTML( $widget->render( |
| 586 | $term, $this->offset, $titleMatches, $textMatches |
| 587 | ) ); |
| 588 | |
| 589 | $out->addHTML( '<div class="mw-search-visualclear"></div>' ); |
| 590 | $this->prevNextLinks( $totalRes, $textMatches, $term, 'mw-search-pager-bottom', $out ); |
| 591 | |
| 592 | // Close <div class='searchresults'> |
| 593 | $out->addHTML( "</div>" ); |
| 594 | |
| 595 | $this->getHookRunner()->onSpecialSearchResultsAppend( $this, $out, $term ); |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * @param Title|null $title |
| 600 | * @param int $num The number of search results found |
| 601 | * @param null|ISearchResultSet $titleMatches Results from title search |
| 602 | * @param null|ISearchResultSet $textMatches Results from text search |
| 603 | */ |
| 604 | protected function showCreateLink( $title, $num, $titleMatches, $textMatches ) { |
| 605 | // show direct page/create link if applicable |
| 606 | |
| 607 | // Check DBkey !== '' in case of fragment link only. |
| 608 | if ( $title === null || $title->getDBkey() === '' |
| 609 | || ( $titleMatches !== null && $titleMatches->searchContainedSyntax() ) |
| 610 | || ( $textMatches !== null && $textMatches->searchContainedSyntax() ) |
| 611 | ) { |
| 612 | // invalid title |
| 613 | // preserve the paragraph for margins etc... |
| 614 | $this->getOutput()->addHTML( '<p></p>' ); |
| 615 | |
| 616 | return; |
| 617 | } |
| 618 | |
| 619 | $messageName = 'searchmenu-new-nocreate'; |
| 620 | $linkClass = 'mw-search-createlink'; |
| 621 | |
| 622 | if ( !$title->isExternal() ) { |
| 623 | if ( $title->isKnown() ) { |
| 624 | $messageName = 'searchmenu-exists'; |
| 625 | $linkClass = 'mw-search-exists'; |
| 626 | } elseif ( |
| 627 | $this->contentHandlerFactory->getContentHandler( $title->getContentModel() ) |
| 628 | ->supportsDirectEditing() |
| 629 | && $this->getAuthority()->probablyCan( 'edit', $title ) |
| 630 | ) { |
| 631 | $messageName = 'searchmenu-new'; |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | $params = [ |
| 636 | $messageName, |
| 637 | wfEscapeWikiText( $title->getPrefixedText() ), |
| 638 | Message::numParam( $num ) |
| 639 | ]; |
| 640 | $this->getHookRunner()->onSpecialSearchCreateLink( $title, $params ); |
| 641 | |
| 642 | // Extensions using the hook might still return an empty $messageName |
| 643 | // @phan-suppress-next-line PhanRedundantCondition Set by hook |
| 644 | if ( $messageName ) { |
| 645 | $this->getOutput()->wrapWikiMsg( "<p class=\"$linkClass\">\n$1</p>", $params ); |
| 646 | } else { |
| 647 | // preserve the paragraph for margins etc... |
| 648 | $this->getOutput()->addHTML( '<p></p>' ); |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | /** |
| 653 | * Sets up everything for the HTML output page including styles, javascript, |
| 654 | * page title, etc. |
| 655 | * |
| 656 | * @param string $term |
| 657 | */ |
| 658 | protected function setupPage( $term ) { |
| 659 | $out = $this->getOutput(); |
| 660 | |
| 661 | $this->setHeaders(); |
| 662 | $this->outputHeader(); |
| 663 | // TODO: Is this true? The namespace remember uses a user token |
| 664 | // on save. |
| 665 | $out->getMetadata()->setPreventClickjacking( false ); |
| 666 | $this->addHelpLink( 'Help:Searching' ); |
| 667 | |
| 668 | if ( strval( $term ) !== '' ) { |
| 669 | $out->setPageTitleMsg( $this->msg( 'searchresults' ) ); |
| 670 | $out->setHTMLTitle( $this->msg( 'pagetitle' ) |
| 671 | ->plaintextParams( $this->msg( 'searchresults-title' )->plaintextParams( $term )->text() ) |
| 672 | ->inContentLanguage()->text() |
| 673 | ); |
| 674 | } |
| 675 | |
| 676 | if ( $this->mPrefix !== '' ) { |
| 677 | $subtitle = $this->msg( 'search-filter-title-prefix' )->plaintextParams( $this->mPrefix ); |
| 678 | $params = $this->powerSearchOptions(); |
| 679 | unset( $params['prefix'] ); |
| 680 | $params += [ |
| 681 | 'search' => $term, |
| 682 | 'fulltext' => 1, |
| 683 | ]; |
| 684 | |
| 685 | $subtitle .= ' ('; |
| 686 | $subtitle .= Xml::element( |
| 687 | 'a', |
| 688 | [ |
| 689 | 'href' => $this->getPageTitle()->getLocalURL( $params ), |
| 690 | 'title' => $this->msg( 'search-filter-title-prefix-reset' )->text(), |
| 691 | ], |
| 692 | $this->msg( 'search-filter-title-prefix-reset' )->text() |
| 693 | ); |
| 694 | $subtitle .= ')'; |
| 695 | $out->setSubtitle( $subtitle ); |
| 696 | } |
| 697 | |
| 698 | $out->addJsConfigVars( [ 'searchTerm' => $term ] ); |
| 699 | $out->addModules( 'mediawiki.special.search' ); |
| 700 | $out->addModuleStyles( [ |
| 701 | 'mediawiki.special', 'mediawiki.special.search.styles', |
| 702 | 'mediawiki.widgets.SearchInputWidget.styles', |
| 703 | ] ); |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * Return true if current search is a power (advanced) search |
| 708 | * |
| 709 | * @return bool |
| 710 | */ |
| 711 | protected function isPowerSearch() { |
| 712 | return $this->profile === 'advanced'; |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Extract "power search" namespace settings from the request object, |
| 717 | * returning a list of index numbers to search. |
| 718 | * |
| 719 | * @param WebRequest &$request |
| 720 | * @return array |
| 721 | */ |
| 722 | protected function powerSearch( &$request ) { |
| 723 | $arr = []; |
| 724 | foreach ( $this->searchConfig->searchableNamespaces() as $ns => $name ) { |
| 725 | if ( $request->getCheck( 'ns' . $ns ) ) { |
| 726 | $arr[] = $ns; |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | return $arr; |
| 731 | } |
| 732 | |
| 733 | /** |
| 734 | * Reconstruct the 'power search' options for links |
| 735 | * TODO: Instead of exposing this publicly, could we instead expose |
| 736 | * a function for creating search links? |
| 737 | * |
| 738 | * @return array |
| 739 | */ |
| 740 | public function powerSearchOptions() { |
| 741 | $opt = []; |
| 742 | if ( $this->isPowerSearch() ) { |
| 743 | foreach ( $this->namespaces as $n ) { |
| 744 | $opt['ns' . $n] = 1; |
| 745 | } |
| 746 | } else { |
| 747 | $opt['profile'] = $this->profile; |
| 748 | } |
| 749 | |
| 750 | return $opt + $this->extraParams; |
| 751 | } |
| 752 | |
| 753 | /** |
| 754 | * Save namespace preferences when we're supposed to |
| 755 | * |
| 756 | * @return bool Whether we wrote something |
| 757 | */ |
| 758 | protected function saveNamespaces() { |
| 759 | $user = $this->getUser(); |
| 760 | $request = $this->getRequest(); |
| 761 | |
| 762 | if ( $user->isRegistered() && |
| 763 | $user->matchEditToken( |
| 764 | $request->getVal( 'nsRemember' ), |
| 765 | 'searchnamespace', |
| 766 | $request |
| 767 | ) && !$this->readOnlyMode->isReadOnly() |
| 768 | ) { |
| 769 | // Reset namespace preferences: namespaces are not searched |
| 770 | // when they're not mentioned in the URL parameters. |
| 771 | foreach ( $this->nsInfo->getValidNamespaces() as $n ) { |
| 772 | $this->userOptionsManager->setOption( $user, 'searchNs' . $n, false ); |
| 773 | } |
| 774 | // The request parameters include all the namespaces to be searched. |
| 775 | // Even if they're the same as an existing profile, they're not eaten. |
| 776 | foreach ( $this->namespaces as $n ) { |
| 777 | $this->userOptionsManager->setOption( $user, 'searchNs' . $n, true ); |
| 778 | } |
| 779 | |
| 780 | DeferredUpdates::addCallableUpdate( static function () use ( $user ) { |
| 781 | $user->saveSettings(); |
| 782 | } ); |
| 783 | |
| 784 | return true; |
| 785 | } |
| 786 | |
| 787 | return false; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * @return array[] |
| 792 | * @phan-return array<string,array{message:string,tooltip:string,namespaces:int|string|(int|string)[],namespace-messages?:string[]}> |
| 793 | */ |
| 794 | protected function getSearchProfiles() { |
| 795 | // Builds list of Search Types (profiles) |
| 796 | $nsAllSet = array_keys( $this->searchConfig->searchableNamespaces() ); |
| 797 | $defaultNs = $this->searchConfig->defaultNamespaces(); |
| 798 | $profiles = [ |
| 799 | 'default' => [ |
| 800 | 'message' => 'searchprofile-articles', |
| 801 | 'tooltip' => 'searchprofile-articles-tooltip', |
| 802 | 'namespaces' => $defaultNs, |
| 803 | 'namespace-messages' => $this->searchConfig->namespacesAsText( |
| 804 | $defaultNs |
| 805 | ), |
| 806 | ], |
| 807 | 'images' => [ |
| 808 | 'message' => 'searchprofile-images', |
| 809 | 'tooltip' => 'searchprofile-images-tooltip', |
| 810 | 'namespaces' => [ NS_FILE ], |
| 811 | ], |
| 812 | 'all' => [ |
| 813 | 'message' => 'searchprofile-everything', |
| 814 | 'tooltip' => 'searchprofile-everything-tooltip', |
| 815 | 'namespaces' => $nsAllSet, |
| 816 | ], |
| 817 | 'advanced' => [ |
| 818 | 'message' => 'searchprofile-advanced', |
| 819 | 'tooltip' => 'searchprofile-advanced-tooltip', |
| 820 | 'namespaces' => self::NAMESPACES_CURRENT, |
| 821 | ] |
| 822 | ]; |
| 823 | |
| 824 | $this->getHookRunner()->onSpecialSearchProfiles( $profiles ); |
| 825 | |
| 826 | foreach ( $profiles as &$data ) { |
| 827 | if ( !is_array( $data['namespaces'] ) ) { |
| 828 | continue; |
| 829 | } |
| 830 | sort( $data['namespaces'] ); |
| 831 | } |
| 832 | |
| 833 | return $profiles; |
| 834 | } |
| 835 | |
| 836 | /** |
| 837 | * @since 1.18 |
| 838 | * |
| 839 | * @return SearchEngine |
| 840 | */ |
| 841 | public function getSearchEngine() { |
| 842 | if ( $this->searchEngine === null ) { |
| 843 | $this->searchEngine = $this->searchEngineFactory->create( $this->searchEngineType ); |
| 844 | } |
| 845 | |
| 846 | return $this->searchEngine; |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * Current search profile. |
| 851 | * @return null|string |
| 852 | */ |
| 853 | public function getProfile() { |
| 854 | return $this->profile; |
| 855 | } |
| 856 | |
| 857 | /** |
| 858 | * Current namespaces. |
| 859 | * @return array |
| 860 | */ |
| 861 | public function getNamespaces() { |
| 862 | return $this->namespaces; |
| 863 | } |
| 864 | |
| 865 | /** |
| 866 | * Users of hook SpecialSearchSetupEngine can use this to |
| 867 | * add more params to links to not lose selection when |
| 868 | * user navigates search results. |
| 869 | * @since 1.18 |
| 870 | * |
| 871 | * @param string $key |
| 872 | * @param mixed $value |
| 873 | */ |
| 874 | public function setExtraParam( $key, $value ) { |
| 875 | $this->extraParams[$key] = $value; |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * The prefix value send to Special:Search using the 'prefix' URI param |
| 880 | * It means that the user is willing to search for pages whose titles start with |
| 881 | * this prefix value. |
| 882 | * (Used by the InputBox extension) |
| 883 | * |
| 884 | * @return string |
| 885 | */ |
| 886 | public function getPrefix() { |
| 887 | return $this->mPrefix; |
| 888 | } |
| 889 | |
| 890 | /** |
| 891 | * @param null|int $totalRes |
| 892 | * @param null|ISearchResultSet $textMatches |
| 893 | * @param string $term |
| 894 | * @param string $class |
| 895 | * @param OutputPage $out |
| 896 | */ |
| 897 | private function prevNextLinks( |
| 898 | ?int $totalRes, |
| 899 | ?ISearchResultSet $textMatches, |
| 900 | string $term, |
| 901 | string $class, |
| 902 | OutputPage $out |
| 903 | ) { |
| 904 | if ( $totalRes > $this->limit || $this->offset ) { |
| 905 | // Allow matches to define the correct offset, as interleaved |
| 906 | // AB testing may require a different next page offset. |
| 907 | if ( $textMatches && $textMatches->getOffset() !== null ) { |
| 908 | $offset = $textMatches->getOffset(); |
| 909 | } else { |
| 910 | $offset = $this->offset; |
| 911 | } |
| 912 | |
| 913 | // use the rewritten search term for subsequent page searches |
| 914 | $newSearchTerm = $term; |
| 915 | if ( $textMatches && $textMatches->hasRewrittenQuery() ) { |
| 916 | $newSearchTerm = $textMatches->getQueryAfterRewrite(); |
| 917 | } |
| 918 | |
| 919 | $prevNext = |
| 920 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable offset is not null |
| 921 | $this->buildPrevNextNavigation( $offset, $this->limit, |
| 922 | $this->powerSearchOptions() + [ 'search' => $newSearchTerm ], |
| 923 | $this->limit + $this->offset >= $totalRes ); |
| 924 | $out->addHTML( "<div class='{$class}'>{$prevNext}</div>\n" ); |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | protected function getGroupName() { |
| 929 | return 'pages'; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | /** |
| 934 | * Retain the old class name for backwards compatibility. |
| 935 | * @deprecated since 1.41 |
| 936 | */ |
| 937 | class_alias( SpecialSearch::class, 'SpecialSearch' ); |