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| 1 | <?php |
| 2 | /** |
| 3 | * Creates a sitemap for the site. |
| 4 | * |
| 5 | * Copyright © 2005, Ævar Arnfjörð Bjarmason, Jens Frank <jeluf@gmx.de> and |
| 6 | * Brooke Vibber <bvibber@wikimedia.org> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 21 | * http://www.gnu.org/copyleft/gpl.html |
| 22 | * |
| 23 | * @file |
| 24 | * @ingroup Maintenance |
| 25 | * @see http://www.sitemaps.org/ |
| 26 | * @see http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd |
| 27 | */ |
| 28 | |
| 29 | use MediaWiki\MainConfigNames; |
| 30 | use MediaWiki\Title\Title; |
| 31 | use MediaWiki\WikiMap\WikiMap; |
| 32 | use Wikimedia\Rdbms\IDatabase; |
| 33 | use Wikimedia\Rdbms\IResultWrapper; |
| 34 | |
| 35 | require_once __DIR__ . '/Maintenance.php'; |
| 36 | |
| 37 | /** |
| 38 | * Maintenance script that generates a sitemap for the site. |
| 39 | * |
| 40 | * @ingroup Maintenance |
| 41 | */ |
| 42 | class GenerateSitemap extends Maintenance { |
| 43 | private const GS_MAIN = -2; |
| 44 | private const GS_TALK = -1; |
| 45 | |
| 46 | /** |
| 47 | * The maximum amount of urls in a sitemap file |
| 48 | * |
| 49 | * @link http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd |
| 50 | * |
| 51 | * @var int |
| 52 | */ |
| 53 | public $url_limit; |
| 54 | |
| 55 | /** |
| 56 | * The maximum size of a sitemap file |
| 57 | * |
| 58 | * @link http://www.sitemaps.org/faq.php#faq_sitemap_size |
| 59 | * |
| 60 | * @var int |
| 61 | */ |
| 62 | public $size_limit; |
| 63 | |
| 64 | /** |
| 65 | * The path to prepend to the filename |
| 66 | * |
| 67 | * @var string |
| 68 | */ |
| 69 | public $fspath; |
| 70 | |
| 71 | /** |
| 72 | * The URL path to prepend to filenames in the index; |
| 73 | * should resolve to the same directory as $fspath. |
| 74 | * |
| 75 | * @var string |
| 76 | */ |
| 77 | public $urlpath; |
| 78 | |
| 79 | /** |
| 80 | * Whether or not to use compression |
| 81 | * |
| 82 | * @var bool |
| 83 | */ |
| 84 | public $compress; |
| 85 | |
| 86 | /** |
| 87 | * Whether or not to include redirection pages |
| 88 | * |
| 89 | * @var bool |
| 90 | */ |
| 91 | public $skipRedirects; |
| 92 | |
| 93 | /** |
| 94 | * The number of entries to save in each sitemap file |
| 95 | * |
| 96 | * @var array |
| 97 | */ |
| 98 | public $limit = []; |
| 99 | |
| 100 | /** |
| 101 | * Key => value entries of namespaces and their priorities |
| 102 | * |
| 103 | * @var array |
| 104 | */ |
| 105 | public $priorities = []; |
| 106 | |
| 107 | /** |
| 108 | * A one-dimensional array of namespaces in the wiki |
| 109 | * |
| 110 | * @var array |
| 111 | */ |
| 112 | public $namespaces = []; |
| 113 | |
| 114 | /** |
| 115 | * When this sitemap batch was generated |
| 116 | * |
| 117 | * @var string |
| 118 | */ |
| 119 | public $timestamp; |
| 120 | |
| 121 | /** |
| 122 | * A database replica DB object |
| 123 | * |
| 124 | * @var IDatabase |
| 125 | */ |
| 126 | public $dbr; |
| 127 | |
| 128 | /** |
| 129 | * A resource pointing to the sitemap index file |
| 130 | * |
| 131 | * @var resource |
| 132 | */ |
| 133 | public $findex; |
| 134 | |
| 135 | /** |
| 136 | * A resource pointing to a sitemap file |
| 137 | * |
| 138 | * @var resource|false |
| 139 | */ |
| 140 | public $file; |
| 141 | |
| 142 | /** |
| 143 | * Identifier to use in filenames, default $wgDBname |
| 144 | * |
| 145 | * @var string |
| 146 | */ |
| 147 | private $identifier; |
| 148 | |
| 149 | public function __construct() { |
| 150 | parent::__construct(); |
| 151 | $this->addDescription( 'Creates a sitemap for the site' ); |
| 152 | $this->addOption( |
| 153 | 'fspath', |
| 154 | 'The file system path to save to, e.g. /tmp/sitemap; defaults to current directory', |
| 155 | false, |
| 156 | true |
| 157 | ); |
| 158 | $this->addOption( |
| 159 | 'urlpath', |
| 160 | 'The URL path corresponding to --fspath, prepended to filenames in the index; ' |
| 161 | . 'defaults to an empty string', |
| 162 | false, |
| 163 | true |
| 164 | ); |
| 165 | $this->addOption( |
| 166 | 'compress', |
| 167 | 'Compress the sitemap files, can take value yes|no, default yes', |
| 168 | false, |
| 169 | true |
| 170 | ); |
| 171 | $this->addOption( 'skip-redirects', 'Do not include redirecting articles in the sitemap' ); |
| 172 | $this->addOption( |
| 173 | 'identifier', |
| 174 | 'What site identifier to use for the wiki, defaults to $wgDBname', |
| 175 | false, |
| 176 | true |
| 177 | ); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Execute |
| 182 | */ |
| 183 | public function execute() { |
| 184 | $this->setNamespacePriorities(); |
| 185 | $this->url_limit = 50000; |
| 186 | $this->size_limit = ( 2 ** 20 ) * 10; |
| 187 | |
| 188 | # Create directory if needed |
| 189 | $fspath = $this->getOption( 'fspath', getcwd() ); |
| 190 | if ( !wfMkdirParents( $fspath, null, __METHOD__ ) ) { |
| 191 | $this->fatalError( "Can not create directory $fspath." ); |
| 192 | } |
| 193 | |
| 194 | $dbDomain = WikiMap::getCurrentWikiDbDomain()->getId(); |
| 195 | $this->fspath = realpath( $fspath ) . DIRECTORY_SEPARATOR; |
| 196 | $this->urlpath = $this->getOption( 'urlpath', "" ); |
| 197 | if ( $this->urlpath !== "" && substr( $this->urlpath, -1 ) !== '/' ) { |
| 198 | $this->urlpath .= '/'; |
| 199 | } |
| 200 | $this->identifier = $this->getOption( 'identifier', $dbDomain ); |
| 201 | $this->compress = $this->getOption( 'compress', 'yes' ) !== 'no'; |
| 202 | $this->skipRedirects = $this->hasOption( 'skip-redirects' ); |
| 203 | $this->dbr = $this->getReplicaDB(); |
| 204 | $this->generateNamespaces(); |
| 205 | $this->timestamp = wfTimestamp( TS_ISO_8601, wfTimestampNow() ); |
| 206 | $encIdentifier = rawurlencode( $this->identifier ); |
| 207 | $this->findex = fopen( "{$this->fspath}sitemap-index-{$encIdentifier}.xml", 'wb' ); |
| 208 | $this->main(); |
| 209 | } |
| 210 | |
| 211 | private function setNamespacePriorities() { |
| 212 | $sitemapNamespacesPriorities = $this->getConfig()->get( MainConfigNames::SitemapNamespacesPriorities ); |
| 213 | |
| 214 | // Custom main namespaces |
| 215 | $this->priorities[self::GS_MAIN] = '0.5'; |
| 216 | // Custom talk namesspaces |
| 217 | $this->priorities[self::GS_TALK] = '0.1'; |
| 218 | // MediaWiki standard namespaces |
| 219 | $this->priorities[NS_MAIN] = '1.0'; |
| 220 | $this->priorities[NS_TALK] = '0.1'; |
| 221 | $this->priorities[NS_USER] = '0.5'; |
| 222 | $this->priorities[NS_USER_TALK] = '0.1'; |
| 223 | $this->priorities[NS_PROJECT] = '0.5'; |
| 224 | $this->priorities[NS_PROJECT_TALK] = '0.1'; |
| 225 | $this->priorities[NS_FILE] = '0.5'; |
| 226 | $this->priorities[NS_FILE_TALK] = '0.1'; |
| 227 | $this->priorities[NS_MEDIAWIKI] = '0.0'; |
| 228 | $this->priorities[NS_MEDIAWIKI_TALK] = '0.1'; |
| 229 | $this->priorities[NS_TEMPLATE] = '0.0'; |
| 230 | $this->priorities[NS_TEMPLATE_TALK] = '0.1'; |
| 231 | $this->priorities[NS_HELP] = '0.5'; |
| 232 | $this->priorities[NS_HELP_TALK] = '0.1'; |
| 233 | $this->priorities[NS_CATEGORY] = '0.5'; |
| 234 | $this->priorities[NS_CATEGORY_TALK] = '0.1'; |
| 235 | |
| 236 | // Custom priorities |
| 237 | if ( $sitemapNamespacesPriorities !== false ) { |
| 238 | /** |
| 239 | * @var array $sitemapNamespacesPriorities |
| 240 | */ |
| 241 | foreach ( $sitemapNamespacesPriorities as $namespace => $priority ) { |
| 242 | $float = floatval( $priority ); |
| 243 | if ( $float > 1.0 ) { |
| 244 | $priority = '1.0'; |
| 245 | } elseif ( $float < 0.0 ) { |
| 246 | $priority = '0.0'; |
| 247 | } |
| 248 | $this->priorities[$namespace] = $priority; |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Generate a one-dimensional array of existing namespaces |
| 255 | */ |
| 256 | private function generateNamespaces() { |
| 257 | // Only generate for specific namespaces if $wgSitemapNamespaces is an array. |
| 258 | $sitemapNamespaces = $this->getConfig()->get( MainConfigNames::SitemapNamespaces ); |
| 259 | if ( is_array( $sitemapNamespaces ) ) { |
| 260 | $this->namespaces = $sitemapNamespaces; |
| 261 | |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | $res = $this->dbr->newSelectQueryBuilder() |
| 266 | ->select( [ 'page_namespace' ] ) |
| 267 | ->from( 'page' ) |
| 268 | ->groupBy( 'page_namespace' ) |
| 269 | ->orderBy( 'page_namespace' ) |
| 270 | ->caller( __METHOD__ )->fetchResultSet(); |
| 271 | |
| 272 | foreach ( $res as $row ) { |
| 273 | $this->namespaces[] = $row->page_namespace; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Get the priority of a given namespace |
| 279 | * |
| 280 | * @param int $namespace The namespace to get the priority for |
| 281 | * @return string |
| 282 | */ |
| 283 | private function priority( $namespace ) { |
| 284 | return $this->priorities[$namespace] ?? $this->guessPriority( $namespace ); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * If the namespace isn't listed on the priority list return the |
| 289 | * default priority for the namespace, varies depending on whether it's |
| 290 | * a talkpage or not. |
| 291 | * |
| 292 | * @param int $namespace The namespace to get the priority for |
| 293 | * @return string |
| 294 | */ |
| 295 | private function guessPriority( $namespace ) { |
| 296 | return $this->getServiceContainer()->getNamespaceInfo()->isSubject( $namespace ) |
| 297 | ? $this->priorities[self::GS_MAIN] |
| 298 | : $this->priorities[self::GS_TALK]; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Return a database resolution of all the pages in a given namespace |
| 303 | * |
| 304 | * @param int $namespace Limit the query to this namespace |
| 305 | * @return IResultWrapper |
| 306 | */ |
| 307 | private function getPageRes( $namespace ) { |
| 308 | return $this->dbr->newSelectQueryBuilder() |
| 309 | ->select( [ 'page_namespace', 'page_title', 'page_touched', 'page_is_redirect', 'pp_propname' ] ) |
| 310 | ->from( 'page' ) |
| 311 | ->leftJoin( 'page_props', null, [ 'page_id = pp_page', 'pp_propname' => 'noindex' ] ) |
| 312 | ->where( [ 'page_namespace' => $namespace ] ) |
| 313 | ->caller( __METHOD__ )->fetchResultSet(); |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Main loop |
| 318 | */ |
| 319 | public function main() { |
| 320 | $services = $this->getServiceContainer(); |
| 321 | $contLang = $services->getContentLanguage(); |
| 322 | $langConverter = $services->getLanguageConverterFactory()->getLanguageConverter( $contLang ); |
| 323 | |
| 324 | fwrite( $this->findex, $this->openIndex() ); |
| 325 | |
| 326 | foreach ( $this->namespaces as $namespace ) { |
| 327 | $res = $this->getPageRes( $namespace ); |
| 328 | $this->file = false; |
| 329 | $this->generateLimit( $namespace ); |
| 330 | $length = $this->limit[0]; |
| 331 | $i = $smcount = 0; |
| 332 | |
| 333 | $fns = $contLang->getFormattedNsText( $namespace ); |
| 334 | $this->output( "$namespace ($fns)\n" ); |
| 335 | $skippedRedirects = 0; // Number of redirects skipped for that namespace |
| 336 | $skippedNoindex = 0; // Number of pages with __NOINDEX__ switch for that NS |
| 337 | foreach ( $res as $row ) { |
| 338 | if ( $row->pp_propname === 'noindex' ) { |
| 339 | $skippedNoindex++; |
| 340 | continue; |
| 341 | } |
| 342 | |
| 343 | if ( $this->skipRedirects && $row->page_is_redirect ) { |
| 344 | $skippedRedirects++; |
| 345 | continue; |
| 346 | } |
| 347 | |
| 348 | if ( $i++ === 0 |
| 349 | || $i === $this->url_limit + 1 |
| 350 | || $length + $this->limit[1] + $this->limit[2] > $this->size_limit |
| 351 | ) { |
| 352 | if ( $this->file !== false ) { |
| 353 | $this->write( $this->file, $this->closeFile() ); |
| 354 | $this->close( $this->file ); |
| 355 | } |
| 356 | $filename = $this->sitemapFilename( $namespace, $smcount++ ); |
| 357 | $this->file = $this->open( $this->fspath . $filename, 'wb' ); |
| 358 | $this->write( $this->file, $this->openFile() ); |
| 359 | fwrite( $this->findex, $this->indexEntry( $filename ) ); |
| 360 | $this->output( "\t$this->fspath$filename\n" ); |
| 361 | $length = $this->limit[0]; |
| 362 | $i = 1; |
| 363 | } |
| 364 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
| 365 | $date = wfTimestamp( TS_ISO_8601, $row->page_touched ); |
| 366 | $entry = $this->fileEntry( $title->getCanonicalURL(), $date, $this->priority( $namespace ) ); |
| 367 | $length += strlen( $entry ); |
| 368 | $this->write( $this->file, $entry ); |
| 369 | // generate pages for language variants |
| 370 | if ( $langConverter->hasVariants() ) { |
| 371 | $variants = $langConverter->getVariants(); |
| 372 | foreach ( $variants as $vCode ) { |
| 373 | if ( $vCode == $contLang->getCode() ) { |
| 374 | continue; // we don't want default variant |
| 375 | } |
| 376 | $entry = $this->fileEntry( |
| 377 | $title->getCanonicalURL( [ 'variant' => $vCode ] ), |
| 378 | $date, |
| 379 | $this->priority( $namespace ) |
| 380 | ); |
| 381 | $length += strlen( $entry ); |
| 382 | $this->write( $this->file, $entry ); |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | if ( $skippedNoindex > 0 ) { |
| 388 | $this->output( " skipped $skippedNoindex page(s) with __NOINDEX__ switch\n" ); |
| 389 | } |
| 390 | |
| 391 | if ( $this->skipRedirects && $skippedRedirects > 0 ) { |
| 392 | $this->output( " skipped $skippedRedirects redirect(s)\n" ); |
| 393 | } |
| 394 | |
| 395 | if ( $this->file ) { |
| 396 | $this->write( $this->file, $this->closeFile() ); |
| 397 | $this->close( $this->file ); |
| 398 | } |
| 399 | } |
| 400 | fwrite( $this->findex, $this->closeIndex() ); |
| 401 | fclose( $this->findex ); |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * gzopen() / fopen() wrapper |
| 406 | * |
| 407 | * @param string $file |
| 408 | * @param string $flags |
| 409 | * @return resource |
| 410 | */ |
| 411 | private function open( $file, $flags ) { |
| 412 | $resource = $this->compress ? gzopen( $file, $flags ) : fopen( $file, $flags ); |
| 413 | if ( $resource === false ) { |
| 414 | throw new RuntimeException( __METHOD__ |
| 415 | . " error opening file $file with flags $flags. Check permissions?" ); |
| 416 | } |
| 417 | |
| 418 | return $resource; |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * gzwrite() / fwrite() wrapper |
| 423 | * |
| 424 | * @param resource &$handle |
| 425 | * @param string $str |
| 426 | */ |
| 427 | private function write( &$handle, $str ) { |
| 428 | if ( $handle === true || $handle === false ) { |
| 429 | throw new InvalidArgumentException( __METHOD__ . " was passed a boolean as a file handle.\n" ); |
| 430 | } |
| 431 | if ( $this->compress ) { |
| 432 | gzwrite( $handle, $str ); |
| 433 | } else { |
| 434 | fwrite( $handle, $str ); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * gzclose() / fclose() wrapper |
| 440 | * |
| 441 | * @param resource &$handle |
| 442 | */ |
| 443 | private function close( &$handle ) { |
| 444 | if ( $this->compress ) { |
| 445 | gzclose( $handle ); |
| 446 | } else { |
| 447 | fclose( $handle ); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * Get a sitemap filename |
| 453 | * |
| 454 | * @param int $namespace |
| 455 | * @param int $count |
| 456 | * @return string |
| 457 | */ |
| 458 | private function sitemapFilename( $namespace, $count ) { |
| 459 | $ext = $this->compress ? '.gz' : ''; |
| 460 | |
| 461 | return "sitemap-{$this->identifier}-NS_$namespace-$count.xml$ext"; |
| 462 | } |
| 463 | |
| 464 | /** |
| 465 | * Return the XML required to open an XML file |
| 466 | * |
| 467 | * @return string |
| 468 | */ |
| 469 | private function xmlHead() { |
| 470 | return '<?xml version="1.0" encoding="UTF-8"?>' . "\n"; |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Return the XML schema being used |
| 475 | * |
| 476 | * @return string |
| 477 | */ |
| 478 | private function xmlSchema() { |
| 479 | return 'http://www.sitemaps.org/schemas/sitemap/0.9'; |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * Return the XML required to open a sitemap index file |
| 484 | * |
| 485 | * @return string |
| 486 | */ |
| 487 | private function openIndex() { |
| 488 | return $this->xmlHead() . '<sitemapindex xmlns="' . $this->xmlSchema() . '">' . "\n"; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Return the XML for a single sitemap indexfile entry |
| 493 | * |
| 494 | * @param string $filename The filename of the sitemap file |
| 495 | * @return string |
| 496 | */ |
| 497 | private function indexEntry( $filename ) { |
| 498 | return "\t<sitemap>\n" . |
| 499 | "\t\t<loc>" . wfGetServerUrl( PROTO_CANONICAL ) . |
| 500 | ( substr( $this->urlpath, 0, 1 ) === "/" ? "" : "/" ) . |
| 501 | "{$this->urlpath}$filename</loc>\n" . |
| 502 | "\t\t<lastmod>{$this->timestamp}</lastmod>\n" . |
| 503 | "\t</sitemap>\n"; |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * Return the XML required to close a sitemap index file |
| 508 | * |
| 509 | * @return string |
| 510 | */ |
| 511 | private function closeIndex() { |
| 512 | return "</sitemapindex>\n"; |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * Return the XML required to open a sitemap file |
| 517 | * |
| 518 | * @return string |
| 519 | */ |
| 520 | private function openFile() { |
| 521 | return $this->xmlHead() . '<urlset xmlns="' . $this->xmlSchema() . '">' . "\n"; |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Return the XML for a single sitemap entry |
| 526 | * |
| 527 | * @param string $url An RFC 2396 compliant URL |
| 528 | * @param string $date A ISO 8601 date |
| 529 | * @param string $priority A priority indicator, 0.0 - 1.0 inclusive with a 0.1 stepsize |
| 530 | * @return string |
| 531 | */ |
| 532 | private function fileEntry( $url, $date, $priority ) { |
| 533 | return "\t<url>\n" . |
| 534 | // T36666: $url may contain bad characters such as ampersands. |
| 535 | "\t\t<loc>" . htmlspecialchars( $url ) . "</loc>\n" . |
| 536 | "\t\t<lastmod>$date</lastmod>\n" . |
| 537 | "\t\t<priority>$priority</priority>\n" . |
| 538 | "\t</url>\n"; |
| 539 | } |
| 540 | |
| 541 | /** |
| 542 | * Return the XML required to close sitemap file |
| 543 | * |
| 544 | * @return string |
| 545 | */ |
| 546 | private function closeFile() { |
| 547 | return "</urlset>\n"; |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * Populate $this->limit |
| 552 | * |
| 553 | * @param int $namespace |
| 554 | */ |
| 555 | private function generateLimit( $namespace ) { |
| 556 | // T19961: make a title with the longest possible URL in this namespace |
| 557 | $title = Title::makeTitle( $namespace, str_repeat( "\u{28B81}", 63 ) . "\u{5583}" ); |
| 558 | |
| 559 | $this->limit = [ |
| 560 | strlen( $this->openFile() ), |
| 561 | strlen( $this->fileEntry( |
| 562 | $title->getCanonicalURL(), |
| 563 | wfTimestamp( TS_ISO_8601, wfTimestamp() ), |
| 564 | $this->priority( $namespace ) |
| 565 | ) ), |
| 566 | strlen( $this->closeFile() ) |
| 567 | ]; |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | $maintClass = GenerateSitemap::class; |
| 572 | require_once RUN_MAINTENANCE_IF_MAIN; |