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| 1 | <?php |
| 2 | /** |
| 3 | * Options for the PHP parser |
| 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 | * @ingroup Parser |
| 22 | */ |
| 23 | |
| 24 | use MediaWiki\Context\IContextSource; |
| 25 | use MediaWiki\HookContainer\HookRunner; |
| 26 | use MediaWiki\MainConfigNames; |
| 27 | use MediaWiki\MediaWikiServices; |
| 28 | use MediaWiki\Parser\Parser; |
| 29 | use MediaWiki\Revision\MutableRevisionRecord; |
| 30 | use MediaWiki\Revision\SlotRecord; |
| 31 | use MediaWiki\StubObject\StubObject; |
| 32 | use MediaWiki\Title\Title; |
| 33 | use MediaWiki\User\UserIdentity; |
| 34 | use MediaWiki\Utils\MWTimestamp; |
| 35 | use Wikimedia\ScopedCallback; |
| 36 | |
| 37 | /** |
| 38 | * @brief Set options of the Parser |
| 39 | * |
| 40 | * How to add an option in core: |
| 41 | * 1. Add it to one of the arrays in ParserOptions::setDefaults() |
| 42 | * 2. If necessary, add an entry to ParserOptions::$inCacheKey |
| 43 | * 3. Add a getter and setter in the section for that. |
| 44 | * |
| 45 | * How to add an option in an extension: |
| 46 | * 1. Use the 'ParserOptionsRegister' hook to register it. |
| 47 | * 2. Where necessary, use $popt->getOption() and $popt->setOption() |
| 48 | * to access it. |
| 49 | * |
| 50 | * @ingroup Parser |
| 51 | */ |
| 52 | class ParserOptions { |
| 53 | |
| 54 | /** |
| 55 | * Default values for all options that are relevant for caching. |
| 56 | * @see self::getDefaults() |
| 57 | * @var array|null |
| 58 | */ |
| 59 | private static $defaults = null; |
| 60 | |
| 61 | /** |
| 62 | * Lazy-loaded options |
| 63 | * @var callable[]|null |
| 64 | */ |
| 65 | private static $lazyOptions = null; |
| 66 | |
| 67 | /** |
| 68 | * Initial lazy-loaded options (before hook) |
| 69 | * @var callable[] |
| 70 | */ |
| 71 | private static $initialLazyOptions = [ |
| 72 | 'dateformat' => [ __CLASS__, 'initDateFormat' ], |
| 73 | 'speculativeRevId' => [ __CLASS__, 'initSpeculativeRevId' ], |
| 74 | 'speculativePageId' => [ __CLASS__, 'initSpeculativePageId' ], |
| 75 | ]; |
| 76 | |
| 77 | /** |
| 78 | * Specify options that are included in the cache key |
| 79 | * @var array|null |
| 80 | */ |
| 81 | private static $cacheVaryingOptionsHash = null; |
| 82 | |
| 83 | /** |
| 84 | * Initial inCacheKey options (before hook) |
| 85 | * @var array |
| 86 | */ |
| 87 | private static $initialCacheVaryingOptionsHash = [ |
| 88 | 'dateformat' => true, |
| 89 | 'thumbsize' => true, |
| 90 | 'printable' => true, |
| 91 | 'userlang' => true, |
| 92 | 'useParsoid' => true, |
| 93 | 'suppressSectionEditLinks' => true, |
| 94 | 'collapsibleSections' => true, |
| 95 | ]; |
| 96 | |
| 97 | /** |
| 98 | * Specify pseudo-options that are actually callbacks. |
| 99 | * These must be ignored when checking for cacheability. |
| 100 | * @var array |
| 101 | */ |
| 102 | private static $callbacks = [ |
| 103 | 'currentRevisionRecordCallback' => true, |
| 104 | 'templateCallback' => true, |
| 105 | 'speculativeRevIdCallback' => true, |
| 106 | 'speculativePageIdCallback' => true, |
| 107 | ]; |
| 108 | |
| 109 | /** |
| 110 | * Current values for all options that are relevant for caching. |
| 111 | * @var array |
| 112 | */ |
| 113 | private $options; |
| 114 | |
| 115 | /** |
| 116 | * Timestamp used for {{CURRENTDAY}} etc. |
| 117 | * @var string|null |
| 118 | * @note Caching based on parse time is handled externally |
| 119 | */ |
| 120 | private $mTimestamp; |
| 121 | |
| 122 | /** |
| 123 | * Stored user object |
| 124 | * @var UserIdentity |
| 125 | * @todo Track this for caching somehow without fragmenting the cache |
| 126 | */ |
| 127 | private $mUser; |
| 128 | |
| 129 | /** |
| 130 | * Function to be called when an option is accessed. |
| 131 | * @var callable|null |
| 132 | * @note Used for collecting used options, does not affect caching |
| 133 | */ |
| 134 | private $onAccessCallback = null; |
| 135 | |
| 136 | /** |
| 137 | * If the page being parsed is a redirect, this should hold the redirect |
| 138 | * target. |
| 139 | * @var Title|null |
| 140 | * @todo Track this for caching somehow |
| 141 | */ |
| 142 | private $redirectTarget = null; |
| 143 | |
| 144 | /** |
| 145 | * Appended to the options hash |
| 146 | */ |
| 147 | private $mExtraKey = ''; |
| 148 | |
| 149 | /** |
| 150 | * The reason for rendering the content. |
| 151 | * @var string |
| 152 | */ |
| 153 | private $renderReason = 'unknown'; |
| 154 | |
| 155 | /** |
| 156 | * Fetch an option and track that is was accessed |
| 157 | * @since 1.30 |
| 158 | * @param string $name Option name |
| 159 | * @return mixed |
| 160 | */ |
| 161 | public function getOption( $name ) { |
| 162 | if ( !array_key_exists( $name, $this->options ) ) { |
| 163 | throw new InvalidArgumentException( "Unknown parser option $name" ); |
| 164 | } |
| 165 | |
| 166 | $this->lazyLoadOption( $name ); |
| 167 | $this->optionUsed( $name ); |
| 168 | return $this->options[$name]; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * @param string $name Lazy load option without tracking usage |
| 173 | */ |
| 174 | private function lazyLoadOption( $name ) { |
| 175 | $lazyOptions = self::getLazyOptions(); |
| 176 | if ( isset( $lazyOptions[$name] ) && $this->options[$name] === null ) { |
| 177 | $this->options[$name] = call_user_func( $lazyOptions[$name], $this, $name ); |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Resets lazy loaded options to null in the provided $options array |
| 183 | * @param array $options |
| 184 | * @return array |
| 185 | */ |
| 186 | private function nullifyLazyOption( array $options ): array { |
| 187 | return array_fill_keys( array_keys( self::getLazyOptions() ), null ) + $options; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Get lazy-loaded options. |
| 192 | * |
| 193 | * This array should be initialised by the constructor. The return type |
| 194 | * hint is used as an assertion to ensure this has happened and to coerce |
| 195 | * the type for static analysis. |
| 196 | * |
| 197 | * @internal Public for testing only |
| 198 | * |
| 199 | * @return array |
| 200 | */ |
| 201 | public static function getLazyOptions(): array { |
| 202 | // Trigger a call to the 'ParserOptionsRegister' hook if it hasn't |
| 203 | // already been called. |
| 204 | if ( self::$lazyOptions === null ) { |
| 205 | self::getDefaults(); |
| 206 | } |
| 207 | return self::$lazyOptions; |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Get cache varying options, with the name of the option in the key, and a |
| 212 | * boolean in the value which indicates whether the cache is indeed varied. |
| 213 | * |
| 214 | * @see self::allCacheVaryingOptions() |
| 215 | * |
| 216 | * @return array |
| 217 | */ |
| 218 | private static function getCacheVaryingOptionsHash(): array { |
| 219 | // Trigger a call to the 'ParserOptionsRegister' hook if it hasn't |
| 220 | // already been called. |
| 221 | if ( self::$cacheVaryingOptionsHash === null ) { |
| 222 | self::getDefaults(); |
| 223 | } |
| 224 | return self::$cacheVaryingOptionsHash; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Set an option, generically |
| 229 | * @since 1.30 |
| 230 | * @param string $name Option name |
| 231 | * @param mixed $value New value. Passing null will set null, unlike many |
| 232 | * of the existing accessors which ignore null for historical reasons. |
| 233 | * @return mixed Old value |
| 234 | */ |
| 235 | public function setOption( $name, $value ) { |
| 236 | if ( !array_key_exists( $name, $this->options ) ) { |
| 237 | throw new InvalidArgumentException( "Unknown parser option $name" ); |
| 238 | } |
| 239 | $old = $this->options[$name]; |
| 240 | $this->options[$name] = $value; |
| 241 | return $old; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Legacy implementation |
| 246 | * @since 1.30 For implementing legacy setters only. Don't use this in new code. |
| 247 | * @deprecated since 1.30 |
| 248 | * @param string $name Option name |
| 249 | * @param mixed $value New value. Passing null does not set the value. |
| 250 | * @return mixed Old value |
| 251 | */ |
| 252 | protected function setOptionLegacy( $name, $value ) { |
| 253 | if ( !array_key_exists( $name, $this->options ) ) { |
| 254 | throw new InvalidArgumentException( "Unknown parser option $name" ); |
| 255 | } |
| 256 | return wfSetVar( $this->options[$name], $value ); |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Whether to extract interlanguage links |
| 261 | * |
| 262 | * When true, interlanguage links will be returned by |
| 263 | * ParserOutput::getLanguageLinks() instead of generating link HTML. |
| 264 | * |
| 265 | * @return bool |
| 266 | */ |
| 267 | public function getInterwikiMagic() { |
| 268 | return $this->getOption( 'interwikiMagic' ); |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Specify whether to extract interlanguage links |
| 273 | * @param bool|null $x New value (null is no change) |
| 274 | * @return bool Old value |
| 275 | */ |
| 276 | public function setInterwikiMagic( $x ) { |
| 277 | return $this->setOptionLegacy( 'interwikiMagic', $x ); |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Allow all external images inline? |
| 282 | * @return bool |
| 283 | */ |
| 284 | public function getAllowExternalImages() { |
| 285 | return $this->getOption( 'allowExternalImages' ); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * External images to allow |
| 290 | * |
| 291 | * When self::getAllowExternalImages() is false |
| 292 | * |
| 293 | * @return string|string[] URLs to allow |
| 294 | */ |
| 295 | public function getAllowExternalImagesFrom() { |
| 296 | return $this->getOption( 'allowExternalImagesFrom' ); |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * Use the on-wiki external image whitelist? |
| 301 | * @return bool |
| 302 | */ |
| 303 | public function getEnableImageWhitelist() { |
| 304 | return $this->getOption( 'enableImageWhitelist' ); |
| 305 | } |
| 306 | |
| 307 | /** |
| 308 | * Allow inclusion of special pages? |
| 309 | * @return bool |
| 310 | */ |
| 311 | public function getAllowSpecialInclusion() { |
| 312 | return $this->getOption( 'allowSpecialInclusion' ); |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Allow inclusion of special pages? |
| 317 | * @param bool|null $x New value (null is no change) |
| 318 | * @return bool Old value |
| 319 | */ |
| 320 | public function setAllowSpecialInclusion( $x ) { |
| 321 | return $this->setOptionLegacy( 'allowSpecialInclusion', $x ); |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Parsing an interface message? |
| 326 | * @return bool |
| 327 | */ |
| 328 | public function getInterfaceMessage() { |
| 329 | return $this->getOption( 'interfaceMessage' ); |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * Parsing an interface message? |
| 334 | * @param bool|null $x New value (null is no change) |
| 335 | * @return bool Old value |
| 336 | */ |
| 337 | public function setInterfaceMessage( $x ) { |
| 338 | return $this->setOptionLegacy( 'interfaceMessage', $x ); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Target language for the parse |
| 343 | * @return Language|null |
| 344 | */ |
| 345 | public function getTargetLanguage() { |
| 346 | return $this->getOption( 'targetLanguage' ); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Target language for the parse |
| 351 | * @param Language|null $x New value |
| 352 | * @return Language|null Old value |
| 353 | */ |
| 354 | public function setTargetLanguage( $x ) { |
| 355 | return $this->setOption( 'targetLanguage', $x ); |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Maximum size of template expansions, in bytes |
| 360 | * @return int |
| 361 | */ |
| 362 | public function getMaxIncludeSize() { |
| 363 | return $this->getOption( 'maxIncludeSize' ); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Maximum size of template expansions, in bytes |
| 368 | * @param int|null $x New value (null is no change) |
| 369 | * @return int Old value |
| 370 | */ |
| 371 | public function setMaxIncludeSize( $x ) { |
| 372 | return $this->setOptionLegacy( 'maxIncludeSize', $x ); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Maximum number of nodes touched by PPFrame::expand() |
| 377 | * @return int |
| 378 | */ |
| 379 | public function getMaxPPNodeCount() { |
| 380 | return $this->getOption( 'maxPPNodeCount' ); |
| 381 | } |
| 382 | |
| 383 | /** |
| 384 | * Maximum number of nodes touched by PPFrame::expand() |
| 385 | * @param int|null $x New value (null is no change) |
| 386 | * @return int Old value |
| 387 | */ |
| 388 | public function setMaxPPNodeCount( $x ) { |
| 389 | return $this->setOptionLegacy( 'maxPPNodeCount', $x ); |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * Maximum recursion depth in PPFrame::expand() |
| 394 | * @return int |
| 395 | */ |
| 396 | public function getMaxPPExpandDepth() { |
| 397 | return $this->getOption( 'maxPPExpandDepth' ); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Maximum recursion depth for templates within templates |
| 402 | * @return int |
| 403 | * @internal Only used by Parser (T318826) |
| 404 | */ |
| 405 | public function getMaxTemplateDepth() { |
| 406 | return $this->getOption( 'maxTemplateDepth' ); |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Maximum recursion depth for templates within templates |
| 411 | * @param int|null $x New value (null is no change) |
| 412 | * @return int Old value |
| 413 | * @internal Only used by ParserTestRunner (T318826) |
| 414 | */ |
| 415 | public function setMaxTemplateDepth( $x ) { |
| 416 | return $this->setOptionLegacy( 'maxTemplateDepth', $x ); |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * Maximum number of calls per parse to expensive parser functions |
| 421 | * @since 1.20 |
| 422 | * @return int |
| 423 | */ |
| 424 | public function getExpensiveParserFunctionLimit() { |
| 425 | return $this->getOption( 'expensiveParserFunctionLimit' ); |
| 426 | } |
| 427 | |
| 428 | /** |
| 429 | * Maximum number of calls per parse to expensive parser functions |
| 430 | * @since 1.20 |
| 431 | * @param int|null $x New value (null is no change) |
| 432 | * @return int Old value |
| 433 | */ |
| 434 | public function setExpensiveParserFunctionLimit( $x ) { |
| 435 | return $this->setOptionLegacy( 'expensiveParserFunctionLimit', $x ); |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Remove HTML comments |
| 440 | * @warning Only applies to preprocess operations |
| 441 | * @return bool |
| 442 | */ |
| 443 | public function getRemoveComments() { |
| 444 | return $this->getOption( 'removeComments' ); |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Remove HTML comments |
| 449 | * @warning Only applies to preprocess operations |
| 450 | * @param bool|null $x New value (null is no change) |
| 451 | * @return bool Old value |
| 452 | */ |
| 453 | public function setRemoveComments( $x ) { |
| 454 | return $this->setOptionLegacy( 'removeComments', $x ); |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * @deprecated since 1.38. This does nothing now, to control limit reporting |
| 459 | * please provide 'includeDebugInfo' option to ParserOutput::getText. |
| 460 | * |
| 461 | * Enable limit report in an HTML comment on output |
| 462 | * @return bool |
| 463 | */ |
| 464 | public function getEnableLimitReport() { |
| 465 | return false; |
| 466 | } |
| 467 | |
| 468 | /** |
| 469 | * @deprecated since 1.38. This does nothing now, to control limit reporting |
| 470 | * please provide 'includeDebugInfo' option to ParserOutput::getText. |
| 471 | * |
| 472 | * Enable limit report in an HTML comment on output |
| 473 | * @param bool|null $x New value (null is no change) |
| 474 | * @return bool Old value |
| 475 | */ |
| 476 | public function enableLimitReport( $x = true ) { |
| 477 | return false; |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Clean up signature texts? |
| 482 | * @see Parser::cleanSig |
| 483 | * @return bool |
| 484 | */ |
| 485 | public function getCleanSignatures() { |
| 486 | return $this->getOption( 'cleanSignatures' ); |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Clean up signature texts? |
| 491 | * @see Parser::cleanSig |
| 492 | * @param bool|null $x New value (null is no change) |
| 493 | * @return bool Old value |
| 494 | */ |
| 495 | public function setCleanSignatures( $x ) { |
| 496 | return $this->setOptionLegacy( 'cleanSignatures', $x ); |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Target attribute for external links |
| 501 | * @return string|false |
| 502 | * @internal Only set by installer (T317647) |
| 503 | */ |
| 504 | public function getExternalLinkTarget() { |
| 505 | return $this->getOption( 'externalLinkTarget' ); |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | * Target attribute for external links |
| 510 | * @param string|false|null $x New value (null is no change) |
| 511 | * @return string Old value |
| 512 | * @internal Only used by installer (T317647) |
| 513 | */ |
| 514 | public function setExternalLinkTarget( $x ) { |
| 515 | return $this->setOptionLegacy( 'externalLinkTarget', $x ); |
| 516 | } |
| 517 | |
| 518 | /** |
| 519 | * Whether content conversion should be disabled |
| 520 | * @return bool |
| 521 | */ |
| 522 | public function getDisableContentConversion() { |
| 523 | return $this->getOption( 'disableContentConversion' ); |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * Whether content conversion should be disabled |
| 528 | * @param bool|null $x New value (null is no change) |
| 529 | * @return bool Old value |
| 530 | */ |
| 531 | public function disableContentConversion( $x = true ) { |
| 532 | return $this->setOptionLegacy( 'disableContentConversion', $x ); |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Whether title conversion should be disabled |
| 537 | * @return bool |
| 538 | */ |
| 539 | public function getDisableTitleConversion() { |
| 540 | return $this->getOption( 'disableTitleConversion' ); |
| 541 | } |
| 542 | |
| 543 | /** |
| 544 | * Whether title conversion should be disabled |
| 545 | * @param bool|null $x New value (null is no change) |
| 546 | * @return bool Old value |
| 547 | */ |
| 548 | public function disableTitleConversion( $x = true ) { |
| 549 | return $this->setOptionLegacy( 'disableTitleConversion', $x ); |
| 550 | } |
| 551 | |
| 552 | /** |
| 553 | * Thumb size preferred by the user. |
| 554 | * @return int |
| 555 | */ |
| 556 | public function getThumbSize() { |
| 557 | return $this->getOption( 'thumbsize' ); |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Thumb size preferred by the user. |
| 562 | * @param int|null $x New value (null is no change) |
| 563 | * @return int Old value |
| 564 | */ |
| 565 | public function setThumbSize( $x ) { |
| 566 | return $this->setOptionLegacy( 'thumbsize', $x ); |
| 567 | } |
| 568 | |
| 569 | /** |
| 570 | * Parsing the page for a "preview" operation? |
| 571 | * @return bool |
| 572 | */ |
| 573 | public function getIsPreview() { |
| 574 | return $this->getOption( 'isPreview' ); |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Parsing the page for a "preview" operation? |
| 579 | * @param bool|null $x New value (null is no change) |
| 580 | * @return bool Old value |
| 581 | */ |
| 582 | public function setIsPreview( $x ) { |
| 583 | return $this->setOptionLegacy( 'isPreview', $x ); |
| 584 | } |
| 585 | |
| 586 | /** |
| 587 | * Parsing the page for a "preview" operation on a single section? |
| 588 | * @return bool |
| 589 | */ |
| 590 | public function getIsSectionPreview() { |
| 591 | return $this->getOption( 'isSectionPreview' ); |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * Parsing the page for a "preview" operation on a single section? |
| 596 | * @param bool|null $x New value (null is no change) |
| 597 | * @return bool Old value |
| 598 | */ |
| 599 | public function setIsSectionPreview( $x ) { |
| 600 | return $this->setOptionLegacy( 'isSectionPreview', $x ); |
| 601 | } |
| 602 | |
| 603 | /** |
| 604 | * Parsing the printable version of the page? |
| 605 | * @return bool |
| 606 | */ |
| 607 | public function getIsPrintable() { |
| 608 | return $this->getOption( 'printable' ); |
| 609 | } |
| 610 | |
| 611 | /** |
| 612 | * Parsing the printable version of the page? |
| 613 | * @param bool|null $x New value (null is no change) |
| 614 | * @return bool Old value |
| 615 | */ |
| 616 | public function setIsPrintable( $x ) { |
| 617 | return $this->setOptionLegacy( 'printable', $x ); |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Transform wiki markup when saving the page? |
| 622 | * @return bool |
| 623 | */ |
| 624 | public function getPreSaveTransform() { |
| 625 | return $this->getOption( 'preSaveTransform' ); |
| 626 | } |
| 627 | |
| 628 | /** |
| 629 | * Transform wiki markup when saving the page? |
| 630 | * @param bool|null $x New value (null is no change) |
| 631 | * @return bool Old value |
| 632 | */ |
| 633 | public function setPreSaveTransform( $x ) { |
| 634 | return $this->setOptionLegacy( 'preSaveTransform', $x ); |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * Parsoid-format HTML output, or legacy wikitext parser HTML? |
| 639 | * @see T300191 |
| 640 | * @unstable |
| 641 | * @since 1.41 |
| 642 | * @return bool |
| 643 | */ |
| 644 | public function getUseParsoid(): bool { |
| 645 | return $this->getOption( 'useParsoid' ); |
| 646 | } |
| 647 | |
| 648 | /** |
| 649 | * Request Parsoid-format HTML output. |
| 650 | * @see T300191 |
| 651 | * @unstable |
| 652 | * @since 1.41 |
| 653 | */ |
| 654 | public function setUseParsoid() { |
| 655 | $this->setOption( 'useParsoid', true ); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Date format index |
| 660 | * @return string |
| 661 | */ |
| 662 | public function getDateFormat() { |
| 663 | return $this->getOption( 'dateformat' ); |
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * Lazy initializer for dateFormat |
| 668 | * @param ParserOptions $popt |
| 669 | * @return string |
| 670 | */ |
| 671 | private static function initDateFormat( ParserOptions $popt ) { |
| 672 | $userFactory = MediaWikiServices::getInstance()->getUserFactory(); |
| 673 | return $userFactory->newFromUserIdentity( $popt->getUserIdentity() )->getDatePreference(); |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * Date format index |
| 678 | * @param string|null $x New value (null is no change) |
| 679 | * @return string Old value |
| 680 | */ |
| 681 | public function setDateFormat( $x ) { |
| 682 | return $this->setOptionLegacy( 'dateformat', $x ); |
| 683 | } |
| 684 | |
| 685 | /** |
| 686 | * Get the user language used by the parser for this page and split the parser cache. |
| 687 | * |
| 688 | * @warning Calling this causes the parser cache to be fragmented by user language! |
| 689 | * To avoid cache fragmentation, output should not depend on the user language. |
| 690 | * Use Parser::getTargetLanguage() instead! |
| 691 | * |
| 692 | * @note This function will trigger a cache fragmentation by recording the |
| 693 | * 'userlang' option, see optionUsed(). This is done to avoid cache pollution |
| 694 | * when the page is rendered based on the language of the user. |
| 695 | * |
| 696 | * @note When saving, this will return the default language instead of the user's. |
| 697 | * {{int: }} uses this which used to produce inconsistent link tables (T16404). |
| 698 | * |
| 699 | * @return Language |
| 700 | * @since 1.19 |
| 701 | */ |
| 702 | public function getUserLangObj() { |
| 703 | return $this->getOption( 'userlang' ); |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * Same as getUserLangObj() but returns a string instead. |
| 708 | * |
| 709 | * @warning Calling this causes the parser cache to be fragmented by user language! |
| 710 | * To avoid cache fragmentation, output should not depend on the user language. |
| 711 | * Use Parser::getTargetLanguage() instead! |
| 712 | * |
| 713 | * @see getUserLangObj() |
| 714 | * |
| 715 | * @return string Language code |
| 716 | * @since 1.17 |
| 717 | */ |
| 718 | public function getUserLang() { |
| 719 | return $this->getUserLangObj()->getCode(); |
| 720 | } |
| 721 | |
| 722 | /** |
| 723 | * Set the user language used by the parser for this page and split the parser cache. |
| 724 | * @param string|Language $x New value |
| 725 | * @return Language Old value |
| 726 | */ |
| 727 | public function setUserLang( $x ) { |
| 728 | if ( is_string( $x ) ) { |
| 729 | $x = MediaWikiServices::getInstance()->getLanguageFactory()->getLanguage( $x ); |
| 730 | } |
| 731 | |
| 732 | return $this->setOptionLegacy( 'userlang', $x ); |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * Are magic ISBN links enabled? |
| 737 | * @since 1.28 |
| 738 | * @return bool |
| 739 | */ |
| 740 | public function getMagicISBNLinks() { |
| 741 | return $this->getOption( 'magicISBNLinks' ); |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Are magic PMID links enabled? |
| 746 | * @since 1.28 |
| 747 | * @return bool |
| 748 | */ |
| 749 | public function getMagicPMIDLinks() { |
| 750 | return $this->getOption( 'magicPMIDLinks' ); |
| 751 | } |
| 752 | |
| 753 | /** |
| 754 | * Are magic RFC links enabled? |
| 755 | * @since 1.28 |
| 756 | * @return bool |
| 757 | */ |
| 758 | public function getMagicRFCLinks() { |
| 759 | return $this->getOption( 'magicRFCLinks' ); |
| 760 | } |
| 761 | |
| 762 | /** |
| 763 | * Should the table of contents be suppressed? |
| 764 | * Used when parsing "code" pages (like JavaScript) as wikitext |
| 765 | * for backlink support and categories, but where we don't want |
| 766 | * other metadata generated (like the table of contents). |
| 767 | * @see T307691 |
| 768 | * @since 1.39 |
| 769 | * @return bool |
| 770 | */ |
| 771 | public function getSuppressTOC() { |
| 772 | return $this->getOption( 'suppressTOC' ); |
| 773 | } |
| 774 | |
| 775 | /** |
| 776 | * Suppress generation of the table of contents. |
| 777 | * Used when parsing "code" pages (like JavaScript) as wikitext |
| 778 | * for backlink support and categories, but where we don't want |
| 779 | * other metadata generated (like the table of contents). |
| 780 | * @see T307691 |
| 781 | * @since 1.39 |
| 782 | * @deprecated since 1.42; just clear the metadata in the final |
| 783 | * parser output |
| 784 | */ |
| 785 | public function setSuppressTOC() { |
| 786 | wfDeprecated( __METHOD__, '1.42' ); |
| 787 | $this->setOption( 'suppressTOC', true ); |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * Should section edit links be suppressed? |
| 792 | * Used when parsing wikitext which will be presented in a |
| 793 | * non-interactive context: previews, UX text, etc. |
| 794 | * @since 1.42 |
| 795 | * @return bool |
| 796 | */ |
| 797 | public function getSuppressSectionEditLinks() { |
| 798 | return $this->getOption( 'suppressSectionEditLinks' ); |
| 799 | } |
| 800 | |
| 801 | /** |
| 802 | * Suppress section edit links in the output. |
| 803 | * Used when parsing wikitext which will be presented in a |
| 804 | * non-interactive context: previews, UX text, etc. |
| 805 | * @since 1.42 |
| 806 | */ |
| 807 | public function setSuppressSectionEditLinks() { |
| 808 | $this->setOption( 'suppressSectionEditLinks', true ); |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * Should section contents be wrapped in <div> to make them |
| 813 | * collapsible? |
| 814 | * @since 1.42 |
| 815 | */ |
| 816 | public function getCollapsibleSections(): bool { |
| 817 | return $this->getOption( 'collapsibleSections' ); |
| 818 | } |
| 819 | |
| 820 | /** |
| 821 | * Wrap section contents in a <div> to allow client-side code |
| 822 | * to collapse them. |
| 823 | * @since 1.42 |
| 824 | */ |
| 825 | public function setCollapsibleSections(): void { |
| 826 | $this->setOption( 'collapsibleSections', true ); |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * If the wiki is configured to allow raw html ($wgRawHtml = true) |
| 831 | * is it allowed in the specific case of parsing this page. |
| 832 | * |
| 833 | * This is meant to disable unsafe parser tags in cases where |
| 834 | * a malicious user may control the input to the parser. |
| 835 | * |
| 836 | * @note This is expected to be true for normal pages even if the |
| 837 | * wiki has $wgRawHtml disabled in general. The setting only |
| 838 | * signifies that raw html would be unsafe in the current context |
| 839 | * provided that raw html is allowed at all. |
| 840 | * @since 1.29 |
| 841 | * @return bool |
| 842 | */ |
| 843 | public function getAllowUnsafeRawHtml() { |
| 844 | return $this->getOption( 'allowUnsafeRawHtml' ); |
| 845 | } |
| 846 | |
| 847 | /** |
| 848 | * If the wiki is configured to allow raw html ($wgRawHtml = true) |
| 849 | * is it allowed in the specific case of parsing this page. |
| 850 | * @see self::getAllowUnsafeRawHtml() |
| 851 | * @since 1.29 |
| 852 | * @param bool|null $x Value to set or null to get current value |
| 853 | * @return bool Current value for allowUnsafeRawHtml |
| 854 | */ |
| 855 | public function setAllowUnsafeRawHtml( $x ) { |
| 856 | return $this->setOptionLegacy( 'allowUnsafeRawHtml', $x ); |
| 857 | } |
| 858 | |
| 859 | /** |
| 860 | * Class to use to wrap output from Parser::parse() |
| 861 | * @since 1.30 |
| 862 | * @return string|false |
| 863 | */ |
| 864 | public function getWrapOutputClass() { |
| 865 | return $this->getOption( 'wrapclass' ); |
| 866 | } |
| 867 | |
| 868 | /** |
| 869 | * CSS class to use to wrap output from Parser::parse() |
| 870 | * @since 1.30 |
| 871 | * @param string $className Class name to use for wrapping. |
| 872 | * Passing false to indicate "no wrapping" was deprecated in MediaWiki 1.31. |
| 873 | * @return string|false Current value |
| 874 | */ |
| 875 | public function setWrapOutputClass( $className ) { |
| 876 | if ( $className === true ) { // DWIM, they probably want the default class name |
| 877 | $className = 'mw-parser-output'; |
| 878 | } |
| 879 | if ( $className === false ) { |
| 880 | wfDeprecated( __METHOD__ . '( false )', '1.31' ); |
| 881 | } |
| 882 | return $this->setOption( 'wrapclass', $className ); |
| 883 | } |
| 884 | |
| 885 | /** |
| 886 | * Callback for current revision fetching; first argument to call_user_func(). |
| 887 | * @internal |
| 888 | * @since 1.35 |
| 889 | * @return callable |
| 890 | */ |
| 891 | public function getCurrentRevisionRecordCallback() { |
| 892 | return $this->getOption( 'currentRevisionRecordCallback' ); |
| 893 | } |
| 894 | |
| 895 | /** |
| 896 | * Callback for current revision fetching; first argument to call_user_func(). |
| 897 | * @internal |
| 898 | * @since 1.35 |
| 899 | * @param callable|null $x New value |
| 900 | * @return callable Old value |
| 901 | */ |
| 902 | public function setCurrentRevisionRecordCallback( $x ) { |
| 903 | return $this->setOption( 'currentRevisionRecordCallback', $x ); |
| 904 | } |
| 905 | |
| 906 | /** |
| 907 | * Callback for template fetching; first argument to call_user_func(). |
| 908 | * @return callable |
| 909 | */ |
| 910 | public function getTemplateCallback() { |
| 911 | return $this->getOption( 'templateCallback' ); |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Callback for template fetching; first argument to call_user_func(). |
| 916 | * @param callable|null $x New value (null is no change) |
| 917 | * @return callable Old value |
| 918 | */ |
| 919 | public function setTemplateCallback( $x ) { |
| 920 | return $this->setOptionLegacy( 'templateCallback', $x ); |
| 921 | } |
| 922 | |
| 923 | /** |
| 924 | * A guess for {{REVISIONID}}, calculated using the callback provided via |
| 925 | * setSpeculativeRevIdCallback(). For consistency, the value will be calculated upon the |
| 926 | * first call of this method, and re-used for subsequent calls. |
| 927 | * |
| 928 | * If no callback was defined via setSpeculativeRevIdCallback(), this method will return false. |
| 929 | * |
| 930 | * @since 1.32 |
| 931 | * @return int|false |
| 932 | */ |
| 933 | public function getSpeculativeRevId() { |
| 934 | return $this->getOption( 'speculativeRevId' ); |
| 935 | } |
| 936 | |
| 937 | /** |
| 938 | * A guess for {{PAGEID}}, calculated using the callback provided via |
| 939 | * setSpeculativeRevPageCallback(). For consistency, the value will be calculated upon the |
| 940 | * first call of this method, and re-used for subsequent calls. |
| 941 | * |
| 942 | * If no callback was defined via setSpeculativePageIdCallback(), this method will return false. |
| 943 | * |
| 944 | * @since 1.34 |
| 945 | * @return int|false |
| 946 | */ |
| 947 | public function getSpeculativePageId() { |
| 948 | return $this->getOption( 'speculativePageId' ); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Callback registered with ParserOptions::$lazyOptions, triggered by getSpeculativeRevId(). |
| 953 | * |
| 954 | * @param ParserOptions $popt |
| 955 | * @return int|false |
| 956 | */ |
| 957 | private static function initSpeculativeRevId( ParserOptions $popt ) { |
| 958 | $cb = $popt->getOption( 'speculativeRevIdCallback' ); |
| 959 | $id = $cb ? $cb() : null; |
| 960 | |
| 961 | // returning null would result in this being re-called every access |
| 962 | return $id ?? false; |
| 963 | } |
| 964 | |
| 965 | /** |
| 966 | * Callback registered with ParserOptions::$lazyOptions, triggered by getSpeculativePageId(). |
| 967 | * |
| 968 | * @param ParserOptions $popt |
| 969 | * @return int|false |
| 970 | */ |
| 971 | private static function initSpeculativePageId( ParserOptions $popt ) { |
| 972 | $cb = $popt->getOption( 'speculativePageIdCallback' ); |
| 973 | $id = $cb ? $cb() : null; |
| 974 | |
| 975 | // returning null would result in this being re-called every access |
| 976 | return $id ?? false; |
| 977 | } |
| 978 | |
| 979 | /** |
| 980 | * Callback to generate a guess for {{REVISIONID}} |
| 981 | * @param callable|null $x New value |
| 982 | * @return callable|null Old value |
| 983 | * @since 1.28 |
| 984 | */ |
| 985 | public function setSpeculativeRevIdCallback( $x ) { |
| 986 | $this->setOption( 'speculativeRevId', null ); // reset |
| 987 | return $this->setOption( 'speculativeRevIdCallback', $x ); |
| 988 | } |
| 989 | |
| 990 | /** |
| 991 | * Callback to generate a guess for {{PAGEID}} |
| 992 | * @param callable|null $x New value |
| 993 | * @return callable|null Old value |
| 994 | * @since 1.34 |
| 995 | */ |
| 996 | public function setSpeculativePageIdCallback( $x ) { |
| 997 | $this->setOption( 'speculativePageId', null ); // reset |
| 998 | return $this->setOption( 'speculativePageIdCallback', $x ); |
| 999 | } |
| 1000 | |
| 1001 | /** |
| 1002 | * Timestamp used for {{CURRENTDAY}} etc. |
| 1003 | * @return string TS_MW timestamp |
| 1004 | */ |
| 1005 | public function getTimestamp() { |
| 1006 | if ( !isset( $this->mTimestamp ) ) { |
| 1007 | $this->mTimestamp = wfTimestampNow(); |
| 1008 | } |
| 1009 | return $this->mTimestamp; |
| 1010 | } |
| 1011 | |
| 1012 | /** |
| 1013 | * Timestamp used for {{CURRENTDAY}} etc. |
| 1014 | * @param string|null $x New value (null is no change) |
| 1015 | * @return string Old value |
| 1016 | */ |
| 1017 | public function setTimestamp( $x ) { |
| 1018 | return wfSetVar( $this->mTimestamp, $x ); |
| 1019 | } |
| 1020 | |
| 1021 | /** |
| 1022 | * Note that setting or changing this does not *make* the page a redirect |
| 1023 | * or change its target, it merely records the information for reference |
| 1024 | * during the parse. |
| 1025 | * |
| 1026 | * @since 1.24 |
| 1027 | * @param Title|null $title |
| 1028 | */ |
| 1029 | public function setRedirectTarget( $title ) { |
| 1030 | $this->redirectTarget = $title; |
| 1031 | } |
| 1032 | |
| 1033 | /** |
| 1034 | * Get the previously-set redirect target. |
| 1035 | * |
| 1036 | * @since 1.24 |
| 1037 | * @return Title|null |
| 1038 | */ |
| 1039 | public function getRedirectTarget() { |
| 1040 | return $this->redirectTarget; |
| 1041 | } |
| 1042 | |
| 1043 | /** |
| 1044 | * Extra key that should be present in the parser cache key. |
| 1045 | * @warning Consider registering your additional options with the |
| 1046 | * ParserOptionsRegister hook instead of using this method. |
| 1047 | * @param string $key |
| 1048 | */ |
| 1049 | public function addExtraKey( $key ) { |
| 1050 | $this->mExtraKey .= '!' . $key; |
| 1051 | } |
| 1052 | |
| 1053 | /** |
| 1054 | * Get the identity of the user for whom the parse is made. |
| 1055 | * @since 1.36 |
| 1056 | * @return UserIdentity |
| 1057 | */ |
| 1058 | public function getUserIdentity(): UserIdentity { |
| 1059 | return $this->mUser; |
| 1060 | } |
| 1061 | |
| 1062 | /** |
| 1063 | * @param UserIdentity $user |
| 1064 | * @param Language|null $lang |
| 1065 | */ |
| 1066 | public function __construct( UserIdentity $user, $lang = null ) { |
| 1067 | if ( $lang === null ) { |
| 1068 | global $wgLang; |
| 1069 | StubObject::unstub( $wgLang ); |
| 1070 | $lang = $wgLang; |
| 1071 | } |
| 1072 | $this->initialiseFromUser( $user, $lang ); |
| 1073 | } |
| 1074 | |
| 1075 | /** |
| 1076 | * Get a ParserOptions object for an anonymous user |
| 1077 | * @since 1.27 |
| 1078 | * @return ParserOptions |
| 1079 | */ |
| 1080 | public static function newFromAnon() { |
| 1081 | return new ParserOptions( MediaWikiServices::getInstance()->getUserFactory()->newAnonymous(), |
| 1082 | MediaWikiServices::getInstance()->getContentLanguage() ); |
| 1083 | } |
| 1084 | |
| 1085 | /** |
| 1086 | * Get a ParserOptions object from a given user. |
| 1087 | * Language will be taken from $wgLang. |
| 1088 | * |
| 1089 | * @param UserIdentity $user |
| 1090 | * @return ParserOptions |
| 1091 | */ |
| 1092 | public static function newFromUser( $user ) { |
| 1093 | return new ParserOptions( $user ); |
| 1094 | } |
| 1095 | |
| 1096 | /** |
| 1097 | * Get a ParserOptions object from a given user and language |
| 1098 | * |
| 1099 | * @param UserIdentity $user |
| 1100 | * @param Language $lang |
| 1101 | * @return ParserOptions |
| 1102 | */ |
| 1103 | public static function newFromUserAndLang( UserIdentity $user, Language $lang ) { |
| 1104 | return new ParserOptions( $user, $lang ); |
| 1105 | } |
| 1106 | |
| 1107 | /** |
| 1108 | * Get a ParserOptions object from a IContextSource object |
| 1109 | * |
| 1110 | * @param IContextSource $context |
| 1111 | * @return ParserOptions |
| 1112 | */ |
| 1113 | public static function newFromContext( IContextSource $context ) { |
| 1114 | return new ParserOptions( $context->getUser(), $context->getLanguage() ); |
| 1115 | } |
| 1116 | |
| 1117 | /** |
| 1118 | * Creates a "canonical" ParserOptions object |
| 1119 | * |
| 1120 | * For historical reasons, certain options have default values that are |
| 1121 | * different from the canonical values used for caching. |
| 1122 | * |
| 1123 | * @since 1.30 |
| 1124 | * @since 1.32 Added string and IContextSource as options for the first parameter |
| 1125 | * @since 1.36 UserIdentity is also allowed |
| 1126 | * @deprecated since 1.38. Use ::newFromContext, ::newFromAnon or ::newFromUserAndLang instead. |
| 1127 | * Canonical ParserOptions are now exactly the same as non-canonical. |
| 1128 | * @param IContextSource|string|UserIdentity $context |
| 1129 | * - If an IContextSource, the options are initialized based on the source's UserIdentity and Language. |
| 1130 | * - If the string 'canonical', the options are initialized with an anonymous user and |
| 1131 | * the content language. |
| 1132 | * - If a UserIdentity, the options are initialized for that UserIdentity |
| 1133 | * 'userlang' is taken from the $userLang parameter, defaulting to $wgLang if that is null. |
| 1134 | * @param Language|StubObject|null $userLang (see above) |
| 1135 | * @return ParserOptions |
| 1136 | */ |
| 1137 | public static function newCanonical( $context, $userLang = null ) { |
| 1138 | if ( $context instanceof IContextSource ) { |
| 1139 | $ret = self::newFromContext( $context ); |
| 1140 | } elseif ( $context === 'canonical' ) { |
| 1141 | $ret = self::newFromAnon(); |
| 1142 | } elseif ( $context instanceof UserIdentity ) { |
| 1143 | $ret = new self( $context, $userLang ); |
| 1144 | } else { |
| 1145 | throw new InvalidArgumentException( |
| 1146 | '$context must be an IContextSource, the string "canonical", or a UserIdentity' |
| 1147 | ); |
| 1148 | } |
| 1149 | return $ret; |
| 1150 | } |
| 1151 | |
| 1152 | /** |
| 1153 | * Reset static caches |
| 1154 | * @internal For testing |
| 1155 | */ |
| 1156 | public static function clearStaticCache() { |
| 1157 | if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) { |
| 1158 | throw new LogicException( __METHOD__ . ' is just for testing' ); |
| 1159 | } |
| 1160 | self::$defaults = null; |
| 1161 | self::$lazyOptions = null; |
| 1162 | self::$cacheVaryingOptionsHash = null; |
| 1163 | } |
| 1164 | |
| 1165 | /** |
| 1166 | * Get default option values |
| 1167 | * @warning If you change the default for an existing option, all existing |
| 1168 | * parser cache entries will be invalid. To avoid bugs, you'll need to handle |
| 1169 | * that somehow (e.g. with the RejectParserCacheValue hook) because |
| 1170 | * MediaWiki won't do it for you. |
| 1171 | * @return array |
| 1172 | */ |
| 1173 | private static function getDefaults() { |
| 1174 | $services = MediaWikiServices::getInstance(); |
| 1175 | $mainConfig = $services->getMainConfig(); |
| 1176 | $interwikiMagic = $mainConfig->get( MainConfigNames::InterwikiMagic ); |
| 1177 | $allowExternalImages = $mainConfig->get( MainConfigNames::AllowExternalImages ); |
| 1178 | $allowExternalImagesFrom = $mainConfig->get( MainConfigNames::AllowExternalImagesFrom ); |
| 1179 | $enableImageWhitelist = $mainConfig->get( MainConfigNames::EnableImageWhitelist ); |
| 1180 | $allowSpecialInclusion = $mainConfig->get( MainConfigNames::AllowSpecialInclusion ); |
| 1181 | $maxArticleSize = $mainConfig->get( MainConfigNames::MaxArticleSize ); |
| 1182 | $maxPPNodeCount = $mainConfig->get( MainConfigNames::MaxPPNodeCount ); |
| 1183 | $maxTemplateDepth = $mainConfig->get( MainConfigNames::MaxTemplateDepth ); |
| 1184 | $maxPPExpandDepth = $mainConfig->get( MainConfigNames::MaxPPExpandDepth ); |
| 1185 | $cleanSignatures = $mainConfig->get( MainConfigNames::CleanSignatures ); |
| 1186 | $externalLinkTarget = $mainConfig->get( MainConfigNames::ExternalLinkTarget ); |
| 1187 | $expensiveParserFunctionLimit = $mainConfig->get( MainConfigNames::ExpensiveParserFunctionLimit ); |
| 1188 | $enableMagicLinks = $mainConfig->get( MainConfigNames::EnableMagicLinks ); |
| 1189 | $languageConverterFactory = $services->getLanguageConverterFactory(); |
| 1190 | $userOptionsLookup = $services->getUserOptionsLookup(); |
| 1191 | $contentLanguage = $services->getContentLanguage(); |
| 1192 | |
| 1193 | if ( self::$defaults === null ) { |
| 1194 | // *UPDATE* ParserOptions::matches() if any of this changes as needed |
| 1195 | self::$defaults = [ |
| 1196 | 'dateformat' => null, |
| 1197 | 'interfaceMessage' => false, |
| 1198 | 'targetLanguage' => null, |
| 1199 | 'removeComments' => true, |
| 1200 | 'suppressTOC' => false, |
| 1201 | 'suppressSectionEditLinks' => false, |
| 1202 | 'collapsibleSections' => false, |
| 1203 | 'enableLimitReport' => false, |
| 1204 | 'preSaveTransform' => true, |
| 1205 | 'isPreview' => false, |
| 1206 | 'isSectionPreview' => false, |
| 1207 | 'printable' => false, |
| 1208 | 'allowUnsafeRawHtml' => true, |
| 1209 | 'wrapclass' => 'mw-parser-output', |
| 1210 | 'currentRevisionRecordCallback' => [ Parser::class, 'statelessFetchRevisionRecord' ], |
| 1211 | 'templateCallback' => [ Parser::class, 'statelessFetchTemplate' ], |
| 1212 | 'speculativeRevIdCallback' => null, |
| 1213 | 'speculativeRevId' => null, |
| 1214 | 'speculativePageIdCallback' => null, |
| 1215 | 'speculativePageId' => null, |
| 1216 | 'useParsoid' => false, |
| 1217 | ]; |
| 1218 | |
| 1219 | self::$cacheVaryingOptionsHash = self::$initialCacheVaryingOptionsHash; |
| 1220 | self::$lazyOptions = self::$initialLazyOptions; |
| 1221 | |
| 1222 | ( new HookRunner( $services->getHookContainer() ) )->onParserOptionsRegister( |
| 1223 | self::$defaults, |
| 1224 | self::$cacheVaryingOptionsHash, |
| 1225 | self::$lazyOptions |
| 1226 | ); |
| 1227 | |
| 1228 | ksort( self::$cacheVaryingOptionsHash ); |
| 1229 | } |
| 1230 | |
| 1231 | // Unit tests depend on being able to modify the globals at will |
| 1232 | return self::$defaults + [ |
| 1233 | 'interwikiMagic' => $interwikiMagic, |
| 1234 | 'allowExternalImages' => $allowExternalImages, |
| 1235 | 'allowExternalImagesFrom' => $allowExternalImagesFrom, |
| 1236 | 'enableImageWhitelist' => $enableImageWhitelist, |
| 1237 | 'allowSpecialInclusion' => $allowSpecialInclusion, |
| 1238 | 'maxIncludeSize' => $maxArticleSize * 1024, |
| 1239 | 'maxPPNodeCount' => $maxPPNodeCount, |
| 1240 | 'maxPPExpandDepth' => $maxPPExpandDepth, |
| 1241 | 'maxTemplateDepth' => $maxTemplateDepth, |
| 1242 | 'expensiveParserFunctionLimit' => $expensiveParserFunctionLimit, |
| 1243 | 'externalLinkTarget' => $externalLinkTarget, |
| 1244 | 'cleanSignatures' => $cleanSignatures, |
| 1245 | 'disableContentConversion' => $languageConverterFactory->isConversionDisabled(), |
| 1246 | 'disableTitleConversion' => $languageConverterFactory->isLinkConversionDisabled(), |
| 1247 | // FIXME: The fallback to false for enableMagicLinks is a band-aid to allow |
| 1248 | // the phpunit entrypoint patch (I82045c207738d152d5b0006f353637cfaa40bb66) |
| 1249 | // to be merged. |
| 1250 | // It is possible that a test somewhere is globally resetting $wgEnableMagicLinks |
| 1251 | // to null, or that ParserOptions is somehow similarly getting reset in such a way |
| 1252 | // that $enableMagicLinks ends up as null rather than an array. This workaround |
| 1253 | // seems harmless, but would be nice to eventually fix the underlying issue. |
| 1254 | 'magicISBNLinks' => $enableMagicLinks['ISBN'] ?? false, |
| 1255 | 'magicPMIDLinks' => $enableMagicLinks['PMID'] ?? false, |
| 1256 | 'magicRFCLinks' => $enableMagicLinks['RFC'] ?? false, |
| 1257 | 'thumbsize' => $userOptionsLookup->getDefaultOption( 'thumbsize' ), |
| 1258 | 'userlang' => $contentLanguage, |
| 1259 | ]; |
| 1260 | } |
| 1261 | |
| 1262 | /** |
| 1263 | * Get user options |
| 1264 | * |
| 1265 | * @param UserIdentity $user |
| 1266 | * @param Language $lang |
| 1267 | */ |
| 1268 | private function initialiseFromUser( UserIdentity $user, Language $lang ) { |
| 1269 | // Initially lazy loaded option defaults must not be taken into account, |
| 1270 | // otherwise lazy loading does not work. Setting a default for lazy option |
| 1271 | // is useful for matching with canonical options. |
| 1272 | $this->options = $this->nullifyLazyOption( self::getDefaults() ); |
| 1273 | |
| 1274 | $this->mUser = $user; |
| 1275 | $services = MediaWikiServices::getInstance(); |
| 1276 | $optionsLookup = $services->getUserOptionsLookup(); |
| 1277 | $this->options['thumbsize'] = $optionsLookup->getOption( $user, 'thumbsize' ); |
| 1278 | $this->options['userlang'] = $lang; |
| 1279 | } |
| 1280 | |
| 1281 | /** |
| 1282 | * Check if these options match that of another options set |
| 1283 | * |
| 1284 | * This ignores report limit settings that only affect HTML comments |
| 1285 | * |
| 1286 | * @param ParserOptions $other |
| 1287 | * @return bool |
| 1288 | * @since 1.25 |
| 1289 | */ |
| 1290 | public function matches( ParserOptions $other ) { |
| 1291 | // Compare most options |
| 1292 | $options = array_keys( $this->options ); |
| 1293 | $options = array_diff( $options, [ |
| 1294 | 'enableLimitReport', // only affects HTML comments |
| 1295 | 'tidy', // Has no effect since 1.35; removed in 1.36 |
| 1296 | ] ); |
| 1297 | foreach ( $options as $option ) { |
| 1298 | // Resolve any lazy options |
| 1299 | $this->lazyLoadOption( $option ); |
| 1300 | $other->lazyLoadOption( $option ); |
| 1301 | |
| 1302 | $o1 = $this->optionToString( $this->options[$option] ); |
| 1303 | $o2 = $this->optionToString( $other->options[$option] ); |
| 1304 | if ( $o1 !== $o2 ) { |
| 1305 | return false; |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | // Compare most other fields |
| 1310 | foreach ( ( new ReflectionClass( $this ) )->getProperties() as $property ) { |
| 1311 | $field = $property->getName(); |
| 1312 | if ( $property->isStatic() ) { |
| 1313 | continue; |
| 1314 | } |
| 1315 | if ( in_array( $field, [ |
| 1316 | 'options', // Already checked above |
| 1317 | 'onAccessCallback', // only used for ParserOutput option tracking |
| 1318 | ] ) ) { |
| 1319 | continue; |
| 1320 | } |
| 1321 | |
| 1322 | if ( !is_object( $this->$field ) && $this->$field !== $other->$field ) { |
| 1323 | return false; |
| 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | return true; |
| 1328 | } |
| 1329 | |
| 1330 | /** |
| 1331 | * @param ParserOptions $other |
| 1332 | * @return bool Whether the cache key relevant options match those of $other |
| 1333 | * @since 1.33 |
| 1334 | */ |
| 1335 | public function matchesForCacheKey( ParserOptions $other ) { |
| 1336 | foreach ( self::allCacheVaryingOptions() as $option ) { |
| 1337 | // Populate any lazy options |
| 1338 | $this->lazyLoadOption( $option ); |
| 1339 | $other->lazyLoadOption( $option ); |
| 1340 | |
| 1341 | $o1 = $this->optionToString( $this->options[$option] ); |
| 1342 | $o2 = $this->optionToString( $other->options[$option] ); |
| 1343 | if ( $o1 !== $o2 ) { |
| 1344 | return false; |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | return true; |
| 1349 | } |
| 1350 | |
| 1351 | /** |
| 1352 | * Registers a callback for tracking which ParserOptions which are used. |
| 1353 | * |
| 1354 | * @since 1.16 |
| 1355 | * @param callable|null $callback |
| 1356 | */ |
| 1357 | public function registerWatcher( $callback ) { |
| 1358 | $this->onAccessCallback = $callback; |
| 1359 | } |
| 1360 | |
| 1361 | /** |
| 1362 | * Record that an option was internally accessed. |
| 1363 | * |
| 1364 | * This calls the watcher set by ParserOptions::registerWatcher(). |
| 1365 | * Typically, the watcher callback is ParserOutput::recordOption(). |
| 1366 | * The information registered this way is consumed by ParserCache::save(). |
| 1367 | * |
| 1368 | * @param string $optionName Name of the option |
| 1369 | */ |
| 1370 | private function optionUsed( $optionName ) { |
| 1371 | if ( $this->onAccessCallback ) { |
| 1372 | call_user_func( $this->onAccessCallback, $optionName ); |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | /** |
| 1377 | * Return all option keys that vary the options hash |
| 1378 | * @since 1.30 |
| 1379 | * @return string[] |
| 1380 | */ |
| 1381 | public static function allCacheVaryingOptions() { |
| 1382 | return array_keys( array_filter( self::getCacheVaryingOptionsHash() ) ); |
| 1383 | } |
| 1384 | |
| 1385 | /** |
| 1386 | * Convert an option to a string value |
| 1387 | * @param mixed $value |
| 1388 | * @return string |
| 1389 | */ |
| 1390 | private function optionToString( $value ) { |
| 1391 | if ( $value === true ) { |
| 1392 | return '1'; |
| 1393 | } elseif ( $value === false ) { |
| 1394 | return '0'; |
| 1395 | } elseif ( $value === null ) { |
| 1396 | return ''; |
| 1397 | } elseif ( $value instanceof Language ) { |
| 1398 | return $value->getCode(); |
| 1399 | } elseif ( is_array( $value ) ) { |
| 1400 | return '[' . implode( ',', array_map( [ $this, 'optionToString' ], $value ) ) . ']'; |
| 1401 | } else { |
| 1402 | return (string)$value; |
| 1403 | } |
| 1404 | } |
| 1405 | |
| 1406 | /** |
| 1407 | * Generate a hash string with the values set on these ParserOptions |
| 1408 | * for the keys given in the array. |
| 1409 | * This will be used as part of the hash key for the parser cache, |
| 1410 | * so users sharing the options with vary for the same page share |
| 1411 | * the same cached data safely. |
| 1412 | * |
| 1413 | * @since 1.17 |
| 1414 | * @param string[] $forOptions |
| 1415 | * @param Title|null $title Used to get the content language of the page (since r97636) |
| 1416 | * @return string Page rendering hash |
| 1417 | */ |
| 1418 | public function optionsHash( $forOptions, $title = null ) { |
| 1419 | $renderHashAppend = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::RenderHashAppend ); |
| 1420 | |
| 1421 | $inCacheKey = self::allCacheVaryingOptions(); |
| 1422 | |
| 1423 | // Resolve any lazy options |
| 1424 | $lazyOpts = array_intersect( $forOptions, |
| 1425 | $inCacheKey, array_keys( self::getLazyOptions() ) ); |
| 1426 | foreach ( $lazyOpts as $k ) { |
| 1427 | $this->lazyLoadOption( $k ); |
| 1428 | } |
| 1429 | |
| 1430 | $options = $this->options; |
| 1431 | $defaults = self::getDefaults(); |
| 1432 | |
| 1433 | // We only include used options with non-canonical values in the key |
| 1434 | // so adding a new option doesn't invalidate the entire parser cache. |
| 1435 | // The drawback to this is that changing the default value of an option |
| 1436 | // requires manual invalidation of existing cache entries, as mentioned |
| 1437 | // in the docs on the relevant methods and hooks. |
| 1438 | $values = []; |
| 1439 | foreach ( array_intersect( $inCacheKey, $forOptions ) as $option ) { |
| 1440 | $v = $this->optionToString( $options[$option] ); |
| 1441 | $d = $this->optionToString( $defaults[$option] ); |
| 1442 | if ( $v !== $d ) { |
| 1443 | $values[] = "$option=$v"; |
| 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | $confstr = $values ? implode( '!', $values ) : 'canonical'; |
| 1448 | |
| 1449 | // add in language specific options, if any |
| 1450 | // @todo FIXME: This is just a way of retrieving the url/user preferred variant |
| 1451 | $services = MediaWikiServices::getInstance(); |
| 1452 | $lang = $title ? $title->getPageLanguage() : $services->getContentLanguage(); |
| 1453 | $converter = $services->getLanguageConverterFactory()->getLanguageConverter( $lang ); |
| 1454 | $confstr .= $converter->getExtraHashOptions(); |
| 1455 | |
| 1456 | $confstr .= $renderHashAppend; |
| 1457 | |
| 1458 | if ( $this->mExtraKey != '' ) { |
| 1459 | $confstr .= $this->mExtraKey; |
| 1460 | } |
| 1461 | |
| 1462 | $user = $services->getUserFactory()->newFromUserIdentity( $this->getUserIdentity() ); |
| 1463 | // Give a chance for extensions to modify the hash, if they have |
| 1464 | // extra options or other effects on the parser cache. |
| 1465 | ( new HookRunner( $services->getHookContainer() ) )->onPageRenderingHash( |
| 1466 | $confstr, |
| 1467 | $user, |
| 1468 | $forOptions |
| 1469 | ); |
| 1470 | |
| 1471 | // Make it a valid memcached key fragment |
| 1472 | $confstr = str_replace( ' ', '_', $confstr ); |
| 1473 | |
| 1474 | return $confstr; |
| 1475 | } |
| 1476 | |
| 1477 | /** |
| 1478 | * Test whether these options are safe to cache |
| 1479 | * @param string[]|null $usedOptions the list of options actually used in the parse. Defaults to all options. |
| 1480 | * @return bool |
| 1481 | * @since 1.30 |
| 1482 | */ |
| 1483 | public function isSafeToCache( array $usedOptions = null ) { |
| 1484 | $defaults = self::getDefaults(); |
| 1485 | $inCacheKey = self::getCacheVaryingOptionsHash(); |
| 1486 | $usedOptions ??= array_keys( $this->options ); |
| 1487 | foreach ( $usedOptions as $option ) { |
| 1488 | if ( empty( $inCacheKey[$option] ) && empty( self::$callbacks[$option] ) ) { |
| 1489 | $v = $this->optionToString( $this->options[$option] ?? null ); |
| 1490 | $d = $this->optionToString( $defaults[$option] ?? null ); |
| 1491 | if ( $v !== $d ) { |
| 1492 | return false; |
| 1493 | } |
| 1494 | } |
| 1495 | } |
| 1496 | return true; |
| 1497 | } |
| 1498 | |
| 1499 | /** |
| 1500 | * Sets a hook to force that a page exists, and sets a current revision callback to return |
| 1501 | * a revision with custom content when the current revision of the page is requested. |
| 1502 | * |
| 1503 | * @since 1.25 |
| 1504 | * @param Title $title |
| 1505 | * @param Content $content |
| 1506 | * @param UserIdentity $user The user that the fake revision is attributed to |
| 1507 | * @return ScopedCallback to unset the hook |
| 1508 | */ |
| 1509 | public function setupFakeRevision( $title, $content, $user ) { |
| 1510 | $oldCallback = $this->setCurrentRevisionRecordCallback( |
| 1511 | static function ( |
| 1512 | $titleToCheck, $parser = null ) use ( $title, $content, $user, &$oldCallback |
| 1513 | ) { |
| 1514 | if ( $titleToCheck->equals( $title ) ) { |
| 1515 | $revRecord = new MutableRevisionRecord( $title ); |
| 1516 | $revRecord->setContent( SlotRecord::MAIN, $content ) |
| 1517 | ->setUser( $user ) |
| 1518 | ->setTimestamp( MWTimestamp::now( TS_MW ) ) |
| 1519 | ->setPageId( $title->getArticleID() ) |
| 1520 | ->setParentId( $title->getLatestRevID() ); |
| 1521 | return $revRecord; |
| 1522 | } else { |
| 1523 | return call_user_func( $oldCallback, $titleToCheck, $parser ); |
| 1524 | } |
| 1525 | } |
| 1526 | ); |
| 1527 | |
| 1528 | $hookContainer = MediaWikiServices::getInstance()->getHookContainer(); |
| 1529 | $hookScope = $hookContainer->scopedRegister( |
| 1530 | 'TitleExists', |
| 1531 | static function ( $titleToCheck, &$exists ) use ( $title ) { |
| 1532 | if ( $titleToCheck->equals( $title ) ) { |
| 1533 | $exists = true; |
| 1534 | } |
| 1535 | } |
| 1536 | ); |
| 1537 | |
| 1538 | $linkCache = MediaWikiServices::getInstance()->getLinkCache(); |
| 1539 | $linkCache->clearBadLink( $title->getPrefixedDBkey() ); |
| 1540 | |
| 1541 | return new ScopedCallback( function () use ( $title, $hookScope, $linkCache, $oldCallback ) { |
| 1542 | ScopedCallback::consume( $hookScope ); |
| 1543 | $linkCache->clearLink( $title ); |
| 1544 | $this->setCurrentRevisionRecordCallback( $oldCallback ); |
| 1545 | } ); |
| 1546 | } |
| 1547 | |
| 1548 | /** |
| 1549 | * Returns reason for rendering the content. This human-readable, intended for logging and debugging only. |
| 1550 | * Expected values include "edit", "view", "purge", "LinksUpdate", etc. |
| 1551 | * @return string |
| 1552 | */ |
| 1553 | public function getRenderReason(): string { |
| 1554 | return $this->renderReason; |
| 1555 | } |
| 1556 | |
| 1557 | /** |
| 1558 | * Sets reason for rendering the content. This human-readable, intended for logging and debugging only. |
| 1559 | * Expected values include "edit", "view", "purge", "LinksUpdate", etc. |
| 1560 | * @param string $renderReason |
| 1561 | */ |
| 1562 | public function setRenderReason( string $renderReason ): void { |
| 1563 | $this->renderReason = $renderReason; |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | /** |
| 1568 | * For really cool vim folding this needs to be at the end: |
| 1569 | * vim: foldmarker=@{,@} foldmethod=marker |
| 1570 | */ |