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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | * @author Trevor Parscal |
| 6 | * @author Roan Kattouw |
| 7 | */ |
| 8 | |
| 9 | namespace MediaWiki\ResourceLoader; |
| 10 | |
| 11 | use CSSJanus; |
| 12 | use InvalidArgumentException; |
| 13 | use LogicException; |
| 14 | use MediaWiki\Language\LanguageFallbackMode; |
| 15 | use MediaWiki\MainConfigNames; |
| 16 | use MediaWiki\MediaWikiServices; |
| 17 | use MediaWiki\Output\OutputPage; |
| 18 | use MediaWiki\Registration\ExtensionRegistry; |
| 19 | use MediaWiki\Utils\FileContentsHasher; |
| 20 | use RuntimeException; |
| 21 | use Wikimedia\Minify\CSSMin; |
| 22 | |
| 23 | // Per https://phabricator.wikimedia.org/T241091 |
| 24 | // phpcs:disable MediaWiki.Commenting.FunctionAnnotations.UnrecognizedAnnotation |
| 25 | |
| 26 | /** |
| 27 | * Module based on local JavaScript/CSS files. |
| 28 | * |
| 29 | * The following public methods can query the database: |
| 30 | * |
| 31 | * - getDefinitionSummary / … / Module::getFileDependencies. |
| 32 | * - getVersionHash / getDefinitionSummary / … / Module::getFileDependencies. |
| 33 | * - getStyles / Module::saveFileDependencies. |
| 34 | * |
| 35 | * @ingroup ResourceLoader |
| 36 | * @see $wgResourceModules |
| 37 | * @since 1.17 |
| 38 | */ |
| 39 | class FileModule extends Module { |
| 40 | /** @var string Local base path, see __construct() */ |
| 41 | protected $localBasePath = ''; |
| 42 | |
| 43 | /** @var string Remote base path, see __construct() */ |
| 44 | protected $remoteBasePath = ''; |
| 45 | |
| 46 | /** |
| 47 | * @var array<int,string|FilePath> List of JavaScript file paths to always include |
| 48 | */ |
| 49 | protected $scripts = []; |
| 50 | |
| 51 | /** |
| 52 | * @var array<string,array<int,string|FilePath>> Lists of JavaScript files by language code |
| 53 | */ |
| 54 | protected $languageScripts = []; |
| 55 | |
| 56 | /** |
| 57 | * @var array<string,array<int,string|FilePath>> Lists of JavaScript files by skin name |
| 58 | */ |
| 59 | protected $skinScripts = []; |
| 60 | |
| 61 | /** |
| 62 | * @var array<int,string|FilePath> List of paths to JavaScript files to include in debug mode |
| 63 | */ |
| 64 | protected $debugScripts = []; |
| 65 | |
| 66 | /** |
| 67 | * @var array<int,string|FilePath> List of CSS file files to always include |
| 68 | */ |
| 69 | protected $styles = []; |
| 70 | |
| 71 | /** |
| 72 | * @var array<string,array<int,string|FilePath>> Lists of CSS files by skin name |
| 73 | */ |
| 74 | protected $skinStyles = []; |
| 75 | |
| 76 | /** |
| 77 | * Packaged files definition, to bundle and make available client-side via `require()`. |
| 78 | * |
| 79 | * @see FileModule::expandPackageFiles() |
| 80 | * @var null|array |
| 81 | * @phan-var null|array<int,string|FilePath|array{main?:bool,name?:string,file?:string|FilePath,type?:string,content?:mixed,config?:array,callback?:callable,callbackParam?:mixed,versionCallback?:callable}> |
| 82 | */ |
| 83 | protected $packageFiles = null; |
| 84 | |
| 85 | /** |
| 86 | * @var array Expanded versions of $packageFiles, lazy-computed by expandPackageFiles(); |
| 87 | * keyed by context hash |
| 88 | */ |
| 89 | private $expandedPackageFiles = []; |
| 90 | |
| 91 | /** |
| 92 | * @var array Further expanded versions of $expandedPackageFiles, lazy-computed by |
| 93 | * getPackageFiles(); keyed by context hash |
| 94 | */ |
| 95 | private $fullyExpandedPackageFiles = []; |
| 96 | |
| 97 | /** |
| 98 | * @var string[] List of modules this module depends on |
| 99 | */ |
| 100 | protected $dependencies = []; |
| 101 | |
| 102 | /** |
| 103 | * @var null|string File name containing the body of the skip function |
| 104 | */ |
| 105 | protected $skipFunction = null; |
| 106 | |
| 107 | /** |
| 108 | * @var string[] List of message keys used by this module |
| 109 | */ |
| 110 | protected $messages = []; |
| 111 | |
| 112 | /** @var array<int|string,string|FilePath> List of the named templates used by this module */ |
| 113 | protected $templates = []; |
| 114 | |
| 115 | /** @var null|string Name of group to load this module in */ |
| 116 | protected $group = null; |
| 117 | |
| 118 | /** @var bool Link to raw files in debug mode */ |
| 119 | protected $debugRaw = true; |
| 120 | |
| 121 | /** @var bool Whether CSSJanus flipping should be skipped for this module */ |
| 122 | protected $noflip = false; |
| 123 | |
| 124 | /** @var bool Whether to skip the structure test ResourcesTest::testRespond() */ |
| 125 | protected $skipStructureTest = false; |
| 126 | |
| 127 | /** |
| 128 | * @var bool Whether getStyleURLsForDebug should return raw file paths, |
| 129 | * or return load.php urls |
| 130 | */ |
| 131 | protected $hasGeneratedStyles = false; |
| 132 | |
| 133 | /** |
| 134 | * @var string[] Place where readStyleFile() tracks file dependencies |
| 135 | */ |
| 136 | protected $localFileRefs = []; |
| 137 | |
| 138 | /** |
| 139 | * @var string[] Place where readStyleFile() tracks file dependencies for non-existent files. |
| 140 | * Used in tests to detect missing dependencies. |
| 141 | */ |
| 142 | protected $missingLocalFileRefs = []; |
| 143 | |
| 144 | /** @var string[] Message keys */ |
| 145 | protected array $lessMessages = []; |
| 146 | |
| 147 | /** |
| 148 | * Construct a new module from an options array. |
| 149 | * |
| 150 | * @param array $options See $wgResourceModules for the available options. |
| 151 | * @param string|null $localBasePath Base path to prepend to all local paths in $options. |
| 152 | * Defaults to MW_INSTALL_PATH |
| 153 | * @param string|null $remoteBasePath Base path to prepend to all remote paths in $options. |
| 154 | * Defaults to $wgResourceBasePath |
| 155 | */ |
| 156 | public function __construct( |
| 157 | array $options = [], |
| 158 | ?string $localBasePath = null, |
| 159 | ?string $remoteBasePath = null |
| 160 | ) { |
| 161 | // Flag to decide whether to automagically add the mediawiki.template module |
| 162 | $hasTemplates = false; |
| 163 | // localBasePath and remoteBasePath both have unbelievably long fallback chains |
| 164 | // and need to be handled separately. |
| 165 | [ $this->localBasePath, $this->remoteBasePath ] = |
| 166 | self::extractBasePaths( $options, $localBasePath, $remoteBasePath ); |
| 167 | |
| 168 | // Extract, validate and normalise remaining options |
| 169 | foreach ( $options as $member => $option ) { |
| 170 | switch ( $member ) { |
| 171 | // Lists of file paths |
| 172 | case 'scripts': |
| 173 | case 'debugScripts': |
| 174 | case 'styles': |
| 175 | case 'packageFiles': |
| 176 | $this->{$member} = is_array( $option ) ? $option : [ $option ]; |
| 177 | break; |
| 178 | case 'templates': |
| 179 | $hasTemplates = true; |
| 180 | $this->{$member} = is_array( $option ) ? $option : [ $option ]; |
| 181 | break; |
| 182 | // Collated lists of file paths |
| 183 | case 'languageScripts': |
| 184 | case 'skinScripts': |
| 185 | case 'skinStyles': |
| 186 | if ( !is_array( $option ) ) { |
| 187 | throw new InvalidArgumentException( |
| 188 | "Invalid collated file path list error. " . |
| 189 | "'$option' given, array expected." |
| 190 | ); |
| 191 | } |
| 192 | foreach ( $option as $key => $value ) { |
| 193 | if ( !is_string( $key ) ) { |
| 194 | throw new InvalidArgumentException( |
| 195 | "Invalid collated file path list key error. " . |
| 196 | "'$key' given, string expected." |
| 197 | ); |
| 198 | } |
| 199 | $this->{$member}[$key] = is_array( $value ) ? $value : [ $value ]; |
| 200 | } |
| 201 | break; |
| 202 | case 'deprecated': |
| 203 | $this->deprecated = $option; |
| 204 | break; |
| 205 | // Lists of strings |
| 206 | case 'dependencies': |
| 207 | case 'messages': |
| 208 | case 'lessMessages': |
| 209 | // Normalise |
| 210 | $option = array_values( array_unique( (array)$option ) ); |
| 211 | sort( $option ); |
| 212 | |
| 213 | $this->{$member} = $option; |
| 214 | break; |
| 215 | // Single strings |
| 216 | case 'group': |
| 217 | case 'skipFunction': |
| 218 | $this->{$member} = (string)$option; |
| 219 | break; |
| 220 | // Single booleans |
| 221 | case 'debugRaw': |
| 222 | case 'noflip': |
| 223 | case 'skipStructureTest': |
| 224 | $this->{$member} = (bool)$option; |
| 225 | break; |
| 226 | } |
| 227 | } |
| 228 | if ( isset( $options['scripts'] ) && isset( $options['packageFiles'] ) ) { |
| 229 | throw new InvalidArgumentException( "A module may not set both 'scripts' and 'packageFiles'" ); |
| 230 | } |
| 231 | if ( isset( $options['packageFiles'] ) && isset( $options['skinScripts'] ) ) { |
| 232 | throw new InvalidArgumentException( "Options 'skinScripts' and 'packageFiles' cannot be used together." ); |
| 233 | } |
| 234 | if ( $hasTemplates ) { |
| 235 | $this->dependencies[] = 'mediawiki.template'; |
| 236 | // Ensure relevant template compiler module gets loaded |
| 237 | foreach ( $this->templates as $alias => $templatePath ) { |
| 238 | if ( is_int( $alias ) ) { |
| 239 | $alias = $this->getPath( $templatePath ); |
| 240 | } |
| 241 | $suffix = explode( '.', $alias ); |
| 242 | $suffix = end( $suffix ); |
| 243 | $compilerModule = 'mediawiki.template.' . $suffix; |
| 244 | if ( $suffix !== 'html' && !in_array( $compilerModule, $this->dependencies ) ) { |
| 245 | $this->dependencies[] = $compilerModule; |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Extract a pair of local and remote base paths from module definition information. |
| 253 | * Implementation note: the amount of global state used in this function is staggering. |
| 254 | * |
| 255 | * @param array $options Module definition |
| 256 | * @param string|null $localBasePath Path to use if not provided in module definition. Defaults |
| 257 | * to MW_INSTALL_PATH |
| 258 | * @param string|null $remoteBasePath Path to use if not provided in module definition. Defaults |
| 259 | * to $wgResourceBasePath |
| 260 | * @return string[] [ localBasePath, remoteBasePath ] |
| 261 | */ |
| 262 | public static function extractBasePaths( |
| 263 | array $options = [], |
| 264 | $localBasePath = null, |
| 265 | $remoteBasePath = null |
| 266 | ) { |
| 267 | // The different ways these checks are done, and their ordering, look very silly, |
| 268 | // but were preserved for backwards-compatibility just in case. Tread lightly. |
| 269 | |
| 270 | $remoteBasePath ??= MediaWikiServices::getInstance()->getMainConfig() |
| 271 | ->get( MainConfigNames::ResourceBasePath ); |
| 272 | |
| 273 | if ( isset( $options['remoteExtPath'] ) ) { |
| 274 | $extensionAssetsPath = MediaWikiServices::getInstance()->getMainConfig() |
| 275 | ->get( MainConfigNames::ExtensionAssetsPath ); |
| 276 | $remoteBasePath = $extensionAssetsPath . '/' . $options['remoteExtPath']; |
| 277 | } |
| 278 | |
| 279 | if ( isset( $options['remoteSkinPath'] ) ) { |
| 280 | $stylePath = MediaWikiServices::getInstance()->getMainConfig() |
| 281 | ->get( MainConfigNames::StylePath ); |
| 282 | $remoteBasePath = $stylePath . '/' . $options['remoteSkinPath']; |
| 283 | } |
| 284 | |
| 285 | if ( array_key_exists( 'localBasePath', $options ) ) { |
| 286 | $localBasePath = (string)$options['localBasePath']; |
| 287 | } |
| 288 | |
| 289 | if ( array_key_exists( 'remoteBasePath', $options ) ) { |
| 290 | $remoteBasePath = (string)$options['remoteBasePath']; |
| 291 | } |
| 292 | |
| 293 | if ( $localBasePath === null ) { |
| 294 | $localBasePath = MW_INSTALL_PATH; |
| 295 | } |
| 296 | |
| 297 | if ( $remoteBasePath === '' ) { |
| 298 | // If MediaWiki is installed at the document root (not recommended), |
| 299 | // then wgScriptPath is set to the empty string by the installer to |
| 300 | // ensure safe concatenating of file paths (avoid "/" + "/foo" being "//foo"). |
| 301 | // However, this also means the path itself can be an invalid URI path, |
| 302 | // as those must start with a slash. Within ResourceLoader, we will not |
| 303 | // do such primitive/unsafe slash concatenation and use URI resolution |
| 304 | // instead, so beyond this point, to avoid fatal errors in CSSMin::resolveUrl(), |
| 305 | // do a best-effort support for docroot installs by casting this to a slash. |
| 306 | $remoteBasePath = '/'; |
| 307 | } |
| 308 | |
| 309 | return [ $localBasePath, $remoteBasePath ]; |
| 310 | } |
| 311 | |
| 312 | /** @inheritDoc */ |
| 313 | public function getScript( Context $context ) { |
| 314 | $packageFiles = $this->getPackageFiles( $context ); |
| 315 | if ( $packageFiles !== null ) { |
| 316 | // T402278: use array_map() to avoid &references here |
| 317 | $packageFiles['files'] = array_map( |
| 318 | static function ( array $file ): array { |
| 319 | if ( $file['type'] === 'script+style' ) { |
| 320 | $file['content'] = $file['content']['script']; |
| 321 | $file['type'] = 'script'; |
| 322 | } |
| 323 | return $file; |
| 324 | }, |
| 325 | $packageFiles['files'] |
| 326 | ); |
| 327 | return $packageFiles; |
| 328 | } |
| 329 | |
| 330 | $files = $this->getScriptFiles( $context ); |
| 331 | // T402278: use array_map() to avoid &references here |
| 332 | $files = array_map( |
| 333 | fn ( $file ) => $this->readFileInfo( $context, $file ), |
| 334 | $files |
| 335 | ); |
| 336 | return [ 'plainScripts' => $files ]; |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * @return bool |
| 341 | */ |
| 342 | public function supportsURLLoading() { |
| 343 | // phpcs:ignore Generic.WhiteSpace.LanguageConstructSpacing.IncorrectSingle |
| 344 | return |
| 345 | // Denied by options? |
| 346 | $this->debugRaw |
| 347 | // If package files are involved, don't support URL loading, because that breaks |
| 348 | // scoped require() functions |
| 349 | && !$this->packageFiles |
| 350 | // Can't link to scripts generated by callbacks |
| 351 | && !$this->hasGeneratedScripts(); |
| 352 | } |
| 353 | |
| 354 | /** @inheritDoc */ |
| 355 | public function shouldSkipStructureTest() { |
| 356 | return $this->skipStructureTest || parent::shouldSkipStructureTest(); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Determine whether the module may potentially have generated scripts. |
| 361 | * |
| 362 | * @return bool |
| 363 | */ |
| 364 | private function hasGeneratedScripts() { |
| 365 | foreach ( |
| 366 | [ $this->scripts, $this->languageScripts, $this->skinScripts, $this->debugScripts ] |
| 367 | as $scripts |
| 368 | ) { |
| 369 | foreach ( $scripts as $script ) { |
| 370 | if ( is_array( $script ) ) { |
| 371 | if ( isset( $script['callback'] ) || isset( $script['versionCallback'] ) ) { |
| 372 | return true; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | return false; |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Get all styles for a given context. |
| 382 | * |
| 383 | * @param Context $context |
| 384 | * @return string[] CSS code for $context as an associative array mapping media type to CSS text. |
| 385 | */ |
| 386 | public function getStyles( Context $context ) { |
| 387 | $styles = $this->readStyleFiles( |
| 388 | $this->getStyleFiles( $context ), |
| 389 | $context |
| 390 | ); |
| 391 | |
| 392 | $packageFiles = $this->getPackageFiles( $context ); |
| 393 | if ( $packageFiles !== null ) { |
| 394 | foreach ( $packageFiles['files'] as $fileName => $file ) { |
| 395 | if ( $file['type'] === 'script+style' ) { |
| 396 | $style = $this->processStyle( |
| 397 | $file['content']['style'], |
| 398 | $file['content']['styleLang'], |
| 399 | $fileName, |
| 400 | $context |
| 401 | ); |
| 402 | $styles['all'] = ( $styles['all'] ?? '' ) . "\n" . $style; |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | // Track indirect file dependencies so that StartUpModule can check for |
| 408 | // on-disk file changes to any of this files without having to recompute the file list |
| 409 | $this->saveFileDependencies( $context, $this->localFileRefs ); |
| 410 | |
| 411 | return $styles; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * @param Context $context |
| 416 | * @return string[][] Lists of URLs by media type |
| 417 | */ |
| 418 | public function getStyleURLsForDebug( Context $context ) { |
| 419 | if ( $this->hasGeneratedStyles ) { |
| 420 | // Do the default behaviour of returning a url back to load.php |
| 421 | // but with only=styles. |
| 422 | return parent::getStyleURLsForDebug( $context ); |
| 423 | } |
| 424 | // Our module consists entirely of real css files, |
| 425 | // in debug mode we can load those directly. |
| 426 | $urls = []; |
| 427 | foreach ( $this->getStyleFiles( $context ) as $mediaType => $list ) { |
| 428 | $urls[$mediaType] = []; |
| 429 | foreach ( $list as $file ) { |
| 430 | $urls[$mediaType][] = OutputPage::transformResourcePath( |
| 431 | $this->getConfig(), |
| 432 | $this->getRemotePath( $file ) |
| 433 | ); |
| 434 | } |
| 435 | } |
| 436 | return $urls; |
| 437 | } |
| 438 | |
| 439 | /** |
| 440 | * Get message keys used by this module. |
| 441 | * |
| 442 | * @return string[] List of message keys |
| 443 | */ |
| 444 | public function getMessages() { |
| 445 | return array_merge( $this->messages, $this->lessMessages ); |
| 446 | } |
| 447 | |
| 448 | /** |
| 449 | * Return a subset of messages from a JSON string representation. |
| 450 | * |
| 451 | * @param string|null $blob JSON, or null if module has no declared messages |
| 452 | * @param string[] $allowed |
| 453 | * @return array |
| 454 | */ |
| 455 | private function pluckFromMessageBlob( $blob, array $allowed ): array { |
| 456 | $data = $blob ? json_decode( $blob, true ) : []; |
| 457 | // Keep only the messages intended for script or Less export |
| 458 | // (opposite of getMessages essentially). |
| 459 | return array_intersect_key( $data, array_fill_keys( $allowed, true ) ); |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * @inheritDoc |
| 464 | */ |
| 465 | protected function getMessageBlob( Context $context ) { |
| 466 | $blob = parent::getMessageBlob( $context ); |
| 467 | if ( !$blob ) { |
| 468 | // If module has no blob, preserve null to avoid needless WAN cache allocation |
| 469 | // client output for modules without messages. |
| 470 | return $blob; |
| 471 | } |
| 472 | |
| 473 | // T409619: Support for lessMessages should not break getMessages subclassing |
| 474 | // |
| 475 | // Avoid array_diff because it removes all matches instead of just one, |
| 476 | // whereas we allow a getMessage() subclass to add the same message in lessMessages. |
| 477 | $reducedMessages = $this->getMessages(); |
| 478 | foreach ( $this->lessMessages as $messageKey ) { |
| 479 | $i = array_search( $messageKey, $reducedMessages ); |
| 480 | if ( $i !== false ) { |
| 481 | unset( $reducedMessages[$i] ); |
| 482 | } |
| 483 | } |
| 484 | return json_encode( (object)$this->pluckFromMessageBlob( $blob, $reducedMessages ) ); |
| 485 | } |
| 486 | |
| 487 | // phpcs:disable MediaWiki.Commenting.DocComment.SpacingDocTag, Squiz.WhiteSpace.FunctionSpacing.Before |
| 488 | /** |
| 489 | * Escape and wrap a message value as literal string for LESS. |
| 490 | * |
| 491 | * This mostly lets CSSMin escape it and wrap it, but also escape single quotes |
| 492 | * for compatibility with LESS's feature of variable interpolation into other strings. |
| 493 | * This is relatively rare for most use of LESS, but for messages it is quite common. |
| 494 | * |
| 495 | * Example: |
| 496 | * |
| 497 | * @code |
| 498 | * @x: "foo's"; |
| 499 | * .eg { content: 'Value is @{x}'; } |
| 500 | * @endcode |
| 501 | * |
| 502 | * Produces output: `.eg { content: 'Value is foo's'; }`. |
| 503 | * (Tested in less.php 1.8.1, and Less.js 2.7) |
| 504 | * |
| 505 | * @param string $msg |
| 506 | * @return string wrapped LESS variable value |
| 507 | */ |
| 508 | private static function wrapAndEscapeMessage( $msg ) { |
| 509 | return str_replace( "'", "\'", CSSMin::serializeStringValue( $msg ) ); |
| 510 | } |
| 511 | |
| 512 | // phpcs:enable |
| 513 | |
| 514 | /** |
| 515 | * Get language-specific LESS variables for this module. |
| 516 | * |
| 517 | * @param Context $context |
| 518 | * @return array LESS variables |
| 519 | */ |
| 520 | protected function getLessVars( Context $context ) { |
| 521 | $vars = parent::getLessVars( $context ); |
| 522 | |
| 523 | if ( $this->lessMessages ) { |
| 524 | $blob = parent::getMessageBlob( $context ); |
| 525 | $messages = $this->pluckFromMessageBlob( $blob, $this->lessMessages ); |
| 526 | |
| 527 | // It is important that we iterate the declared list from $this->lessMessages, |
| 528 | // and not $messages since in the case of undefined messages, the key is |
| 529 | // omitted entirely from the blob. This emits a log warning for developers, |
| 530 | // but we must still carry on and produce a valid LESS variable declaration, |
| 531 | // to avoid a LESS syntax error (T267785). |
| 532 | foreach ( $this->lessMessages as $msgKey ) { |
| 533 | $vars['msg-' . $msgKey] = self::wrapAndEscapeMessage( $messages[$msgKey] ?? "⧼{$msgKey}⧽" ); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | return $vars; |
| 538 | } |
| 539 | |
| 540 | /** |
| 541 | * Get the name of the group this module should be loaded in. |
| 542 | * |
| 543 | * @return null|string Group name |
| 544 | */ |
| 545 | public function getGroup() { |
| 546 | return $this->group; |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Get names of modules this module depends on. |
| 551 | * |
| 552 | * @param Context|null $context |
| 553 | * @return string[] List of module names |
| 554 | */ |
| 555 | public function getDependencies( ?Context $context = null ) { |
| 556 | return $this->dependencies; |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * Helper method for getting a file. |
| 561 | * |
| 562 | * @param string $localPath The path to the resource to load |
| 563 | * @param string $type The type of resource being loaded (for error reporting only) |
| 564 | * @return string |
| 565 | */ |
| 566 | private function getFileContents( $localPath, $type ) { |
| 567 | if ( !is_file( $localPath ) ) { |
| 568 | throw new RuntimeException( "$type file not found or not a file: \"$localPath\"" ); |
| 569 | } |
| 570 | return $this->stripBom( file_get_contents( $localPath ) ); |
| 571 | } |
| 572 | |
| 573 | /** |
| 574 | * @return null|string |
| 575 | */ |
| 576 | public function getSkipFunction() { |
| 577 | if ( !$this->skipFunction ) { |
| 578 | return null; |
| 579 | } |
| 580 | $localPath = $this->getLocalPath( $this->skipFunction ); |
| 581 | return $this->getFileContents( $localPath, 'skip function' ); |
| 582 | } |
| 583 | |
| 584 | /** @inheritDoc */ |
| 585 | public function requiresES6() { |
| 586 | return true; |
| 587 | } |
| 588 | |
| 589 | /** |
| 590 | * Disable module content versioning. |
| 591 | * |
| 592 | * This class uses getDefinitionSummary() instead, to avoid filesystem overhead |
| 593 | * involved with building the full module content inside a startup request. |
| 594 | * |
| 595 | * @return bool |
| 596 | */ |
| 597 | public function enableModuleContentVersion() { |
| 598 | return false; |
| 599 | } |
| 600 | |
| 601 | /** |
| 602 | * Helper method for getDefinitionSummary. |
| 603 | * |
| 604 | * @param Context $context |
| 605 | * @return string Hash |
| 606 | */ |
| 607 | private function getFileHashes( Context $context ) { |
| 608 | $files = []; |
| 609 | |
| 610 | foreach ( $this->getStyleFiles( $context ) as $filePaths ) { |
| 611 | foreach ( $filePaths as $filePath ) { |
| 612 | $files[] = $this->getLocalPath( $filePath ); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // Extract file paths for package files |
| 617 | // Optimisation: Use foreach() and isset() instead of array_map/array_filter. |
| 618 | // This is a hot code path, called by StartupModule for thousands of modules. |
| 619 | $expandedPackageFiles = $this->expandPackageFiles( $context ); |
| 620 | if ( $expandedPackageFiles ) { |
| 621 | foreach ( $expandedPackageFiles['files'] as $fileInfo ) { |
| 622 | $filePath = $fileInfo['filePath'] ?? $fileInfo['versionFilePath'] ?? null; |
| 623 | if ( $filePath instanceof FilePath ) { |
| 624 | $files[] = $filePath->getLocalPath(); |
| 625 | } |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | // Add other configured paths |
| 630 | $scriptFileInfos = $this->getScriptFiles( $context ); |
| 631 | foreach ( $scriptFileInfos as $fileInfo ) { |
| 632 | $filePath = $fileInfo['filePath'] ?? $fileInfo['versionFilePath'] ?? null; |
| 633 | if ( $filePath instanceof FilePath ) { |
| 634 | $files[] = $filePath->getLocalPath(); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | foreach ( $this->templates as $filePath ) { |
| 639 | $files[] = $this->getLocalPath( $filePath ); |
| 640 | } |
| 641 | |
| 642 | if ( $this->skipFunction ) { |
| 643 | $files[] = $this->getLocalPath( $this->skipFunction ); |
| 644 | } |
| 645 | |
| 646 | // Add any lazily discovered file dependencies from previous module builds. |
| 647 | // These are saved as relative paths. |
| 648 | foreach ( Module::expandRelativePaths( $this->getFileDependencies( $context ) ) as $file ) { |
| 649 | $files[] = $file; |
| 650 | } |
| 651 | |
| 652 | // Filter out any duplicates. Typically introduced by getFileDependencies() which |
| 653 | // may lazily re-discover a primary file. |
| 654 | $files = array_unique( $files ); |
| 655 | |
| 656 | // Don't return array keys or any other form of file path here, only the hashes. |
| 657 | // Including file paths would needlessly cause global cache invalidation when files |
| 658 | // move on disk or if e.g. the MediaWiki directory name changes. |
| 659 | // Anything where order is significant is already detected by the definition summary. |
| 660 | return FileContentsHasher::getFileContentsHash( $files ); |
| 661 | } |
| 662 | |
| 663 | /** |
| 664 | * Get the definition summary for this module. |
| 665 | * |
| 666 | * @param Context $context |
| 667 | * @return array |
| 668 | */ |
| 669 | public function getDefinitionSummary( Context $context ) { |
| 670 | $summary = parent::getDefinitionSummary( $context ); |
| 671 | |
| 672 | $options = []; |
| 673 | foreach ( [ |
| 674 | // The following properties are omitted because they don't affect the module response: |
| 675 | // - localBasePath (Per T104950; Changes when absolute directory name changes. If |
| 676 | // this affects 'scripts' and other file paths, getFileHashes accounts for that.) |
| 677 | // - remoteBasePath (Per T104950) |
| 678 | // - dependencies (provided via startup module) |
| 679 | // - group (provided via startup module) |
| 680 | 'styles', |
| 681 | 'skinStyles', |
| 682 | 'messages', |
| 683 | 'templates', |
| 684 | 'skipFunction', |
| 685 | 'debugRaw', |
| 686 | ] as $member ) { |
| 687 | $options[$member] = $this->{$member}; |
| 688 | } |
| 689 | |
| 690 | $packageFiles = $this->expandPackageFiles( $context ); |
| 691 | $packageSummaries = []; |
| 692 | $packageMain = null; |
| 693 | if ( $packageFiles ) { |
| 694 | // Extract the minimum needed: |
| 695 | // - The 'main' pointer (included as-is). |
| 696 | // - The 'files' array, simplified to only which files exist (the keys of |
| 697 | // this array), and something that represents their non-file content. |
| 698 | // For packaged files that reflect files directly from disk, the |
| 699 | // 'getFileHashes' method tracks their content already. |
| 700 | // It is important that the keys of the $packageFiles['files'] array |
| 701 | // are preserved, as they do affect the module output. |
| 702 | $packageMain = $packageFiles['main']; |
| 703 | foreach ( $packageFiles['files'] as $fileName => $fileInfo ) { |
| 704 | $packageSummaries[$fileName] = |
| 705 | $fileInfo['definitionSummary'] ?? $fileInfo['content'] ?? null; |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | $scriptFiles = $this->getScriptFiles( $context ); |
| 710 | $scriptSummaries = []; |
| 711 | foreach ( $scriptFiles as $fileName => $fileInfo ) { |
| 712 | $scriptSummaries[$fileName] = |
| 713 | $fileInfo['definitionSummary'] ?? $fileInfo['content'] ?? null; |
| 714 | } |
| 715 | |
| 716 | $summary[] = [ |
| 717 | 'options' => $options, |
| 718 | 'packageFiles' => $packageSummaries, |
| 719 | 'packageMain' => $packageMain, |
| 720 | 'scripts' => $scriptSummaries, |
| 721 | 'fileHashes' => $this->getFileHashes( $context ), |
| 722 | 'messageBlob' => $this->getMessageBlob( $context ), |
| 723 | ]; |
| 724 | |
| 725 | $lessVars = $this->getLessVars( $context ); |
| 726 | if ( $lessVars ) { |
| 727 | $summary[] = [ 'lessVars' => $lessVars ]; |
| 728 | } |
| 729 | |
| 730 | return $summary; |
| 731 | } |
| 732 | |
| 733 | /** |
| 734 | * @param string|FilePath $path |
| 735 | * @return string |
| 736 | */ |
| 737 | protected function getPath( $path ) { |
| 738 | if ( $path instanceof FilePath ) { |
| 739 | return $path->getPath(); |
| 740 | } |
| 741 | |
| 742 | return $path; |
| 743 | } |
| 744 | |
| 745 | /** |
| 746 | * @param string|FilePath $path |
| 747 | * @return string |
| 748 | */ |
| 749 | protected function getLocalPath( $path ) { |
| 750 | if ( $path instanceof FilePath ) { |
| 751 | if ( $path->getLocalBasePath() !== null ) { |
| 752 | return $path->getLocalPath(); |
| 753 | } |
| 754 | $path = $path->getPath(); |
| 755 | } |
| 756 | |
| 757 | return "{$this->localBasePath}/$path"; |
| 758 | } |
| 759 | |
| 760 | /** |
| 761 | * @param string|FilePath $path |
| 762 | * @return string |
| 763 | */ |
| 764 | protected function getRemotePath( $path ) { |
| 765 | if ( $path instanceof FilePath ) { |
| 766 | if ( $path->getRemoteBasePath() !== null ) { |
| 767 | return $path->getRemotePath(); |
| 768 | } |
| 769 | $path = $path->getPath(); |
| 770 | } |
| 771 | |
| 772 | if ( $this->remoteBasePath === '/' ) { |
| 773 | return "/$path"; |
| 774 | } else { |
| 775 | return "{$this->remoteBasePath}/$path"; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | /** |
| 780 | * Infer the stylesheet language from a stylesheet file path. |
| 781 | * |
| 782 | * @since 1.22 |
| 783 | * @param string $path |
| 784 | * @return string The stylesheet language name |
| 785 | */ |
| 786 | public function getStyleSheetLang( $path ) { |
| 787 | return preg_match( '/\.less$/i', $path ) ? 'less' : 'css'; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * Infer the file type from a package file path. |
| 792 | * |
| 793 | * @param string $path |
| 794 | * @return string 'script', 'script-vue', or 'data' |
| 795 | */ |
| 796 | public static function getPackageFileType( $path ) { |
| 797 | if ( preg_match( '/\.json$/i', $path ) ) { |
| 798 | return 'data'; |
| 799 | } |
| 800 | if ( preg_match( '/\.vue$/i', $path ) ) { |
| 801 | return 'script-vue'; |
| 802 | } |
| 803 | return 'script'; |
| 804 | } |
| 805 | |
| 806 | /** |
| 807 | * Collate style file paths by 'media' option (or 'all' if 'media' is not set) |
| 808 | * |
| 809 | * @param array $list List of file paths in any combination of index/path |
| 810 | * or path/options pairs |
| 811 | * @return string[][] List of collated file paths |
| 812 | */ |
| 813 | private static function collateStyleFilesByMedia( array $list ) { |
| 814 | $collatedFiles = []; |
| 815 | foreach ( $list as $key => $value ) { |
| 816 | if ( is_int( $key ) ) { |
| 817 | // File name as the value |
| 818 | $collatedFiles['all'][] = $value; |
| 819 | } elseif ( is_array( $value ) ) { |
| 820 | // File name as the key, options array as the value |
| 821 | $optionValue = $value['media'] ?? 'all'; |
| 822 | $collatedFiles[$optionValue][] = $key; |
| 823 | } |
| 824 | } |
| 825 | return $collatedFiles; |
| 826 | } |
| 827 | |
| 828 | /** |
| 829 | * Get a list of element that match a key, optionally using a fallback key. |
| 830 | * |
| 831 | * @param array[] $list List of lists to select from |
| 832 | * @param string $key Key to look for in $list |
| 833 | * @param string|null $fallback Key to look for in $list if $key doesn't exist |
| 834 | * @return array List of elements from $list which matched $key or $fallback, |
| 835 | * or an empty list in case of no match |
| 836 | */ |
| 837 | protected static function tryForKey( array $list, $key, $fallback = null ) { |
| 838 | if ( isset( $list[$key] ) && is_array( $list[$key] ) ) { |
| 839 | return $list[$key]; |
| 840 | } elseif ( is_string( $fallback ) |
| 841 | && isset( $list[$fallback] ) |
| 842 | && is_array( $list[$fallback] ) |
| 843 | ) { |
| 844 | return $list[$fallback]; |
| 845 | } |
| 846 | return []; |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * Get script file paths for this module, in order of proper execution. |
| 851 | * |
| 852 | * @param Context $context |
| 853 | * @return array An array of file info arrays as returned by expandFileInfo() |
| 854 | */ |
| 855 | private function getScriptFiles( Context $context ): array { |
| 856 | // List in execution order: scripts, languageScripts, skinScripts, debugScripts. |
| 857 | // Documented at MediaWiki\MainConfigSchema::ResourceModules. |
| 858 | $filesByCategory = [ |
| 859 | 'scripts' => $this->scripts, |
| 860 | 'languageScripts' => $this->getLanguageScripts( $context->getLanguage() ), |
| 861 | 'skinScripts' => self::tryForKey( $this->skinScripts, $context->getSkin(), 'default' ), |
| 862 | ]; |
| 863 | if ( $context->getDebug() ) { |
| 864 | $filesByCategory['debugScripts'] = $this->debugScripts; |
| 865 | } |
| 866 | |
| 867 | $expandedFiles = []; |
| 868 | foreach ( $filesByCategory as $category => $files ) { |
| 869 | foreach ( $files as $key => $fileInfo ) { |
| 870 | $expandedFileInfo = $this->expandFileInfo( $context, $fileInfo, "$category\[$key]" ); |
| 871 | $expandedFiles[$expandedFileInfo['name']] = $expandedFileInfo; |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | return $expandedFiles; |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * Get the set of language scripts for the given language, |
| 880 | * possibly using a fallback language. |
| 881 | * |
| 882 | * @param string $lang |
| 883 | * @return array<int,string|FilePath> File paths |
| 884 | */ |
| 885 | private function getLanguageScripts( string $lang ): array { |
| 886 | $scripts = self::tryForKey( $this->languageScripts, $lang ); |
| 887 | if ( $scripts ) { |
| 888 | return $scripts; |
| 889 | } |
| 890 | |
| 891 | // Optimization: Avoid initialising and calling into language services |
| 892 | // for the majority of modules that don't use this option. |
| 893 | if ( $this->languageScripts ) { |
| 894 | $fallbacks = MediaWikiServices::getInstance() |
| 895 | ->getLanguageFallback() |
| 896 | ->getAll( $lang, LanguageFallbackMode::MESSAGES ); |
| 897 | foreach ( $fallbacks as $lang ) { |
| 898 | $scripts = self::tryForKey( $this->languageScripts, $lang ); |
| 899 | if ( $scripts ) { |
| 900 | return $scripts; |
| 901 | } |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | return []; |
| 906 | } |
| 907 | |
| 908 | public function setSkinStylesOverride( array $moduleSkinStyles ): void { |
| 909 | $moduleName = $this->getName(); |
| 910 | foreach ( $moduleSkinStyles as $skinName => $overrides ) { |
| 911 | // If a module provides overrides for a skin, and that skin also provides overrides |
| 912 | // for the same module, then the module has precedence. |
| 913 | if ( isset( $this->skinStyles[$skinName] ) ) { |
| 914 | continue; |
| 915 | } |
| 916 | |
| 917 | // If $moduleName in ResourceModuleSkinStyles is preceded with a '+', the defined style |
| 918 | // files will be added to 'default' skinStyles, otherwise 'default' will be ignored. |
| 919 | if ( isset( $overrides[$moduleName] ) ) { |
| 920 | $paths = (array)$overrides[$moduleName]; |
| 921 | $styleFiles = []; |
| 922 | } elseif ( isset( $overrides['+' . $moduleName] ) ) { |
| 923 | $paths = (array)$overrides['+' . $moduleName]; |
| 924 | $styleFiles = isset( $this->skinStyles['default'] ) ? |
| 925 | (array)$this->skinStyles['default'] : |
| 926 | []; |
| 927 | } else { |
| 928 | continue; |
| 929 | } |
| 930 | |
| 931 | // Add new file paths, remapping them to refer to our directories and not use settings |
| 932 | // from the module we're modifying, which come from the base definition. |
| 933 | [ $localBasePath, $remoteBasePath ] = self::extractBasePaths( $overrides ); |
| 934 | |
| 935 | foreach ( $paths as $path ) { |
| 936 | $styleFiles[] = new FilePath( $path, $localBasePath, $remoteBasePath ); |
| 937 | } |
| 938 | |
| 939 | $this->skinStyles[$skinName] = $styleFiles; |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * Get a list of file paths for all styles in this module, in order of proper inclusion. |
| 945 | * |
| 946 | * @internal Exposed only for use by structure phpunit tests. |
| 947 | * @param Context $context |
| 948 | * @return array<string,array<int,string|FilePath>> Map from media type to list of file paths |
| 949 | */ |
| 950 | public function getStyleFiles( Context $context ) { |
| 951 | return array_merge_recursive( |
| 952 | self::collateStyleFilesByMedia( $this->styles ), |
| 953 | self::collateStyleFilesByMedia( |
| 954 | self::tryForKey( $this->skinStyles, $context->getSkin(), 'default' ) |
| 955 | ) |
| 956 | ); |
| 957 | } |
| 958 | |
| 959 | /** |
| 960 | * Get a list of file paths for all skin styles in the module used by |
| 961 | * the skin. |
| 962 | * |
| 963 | * @param string $skinName The name of the skin |
| 964 | * @return array A list of file paths collated by media type |
| 965 | */ |
| 966 | protected function getSkinStyleFiles( $skinName ) { |
| 967 | return self::collateStyleFilesByMedia( |
| 968 | self::tryForKey( $this->skinStyles, $skinName ) |
| 969 | ); |
| 970 | } |
| 971 | |
| 972 | /** |
| 973 | * Get a list of file paths for all skin style files in the module, |
| 974 | * for all available skins. |
| 975 | * |
| 976 | * @return array A list of file paths collated by media type |
| 977 | */ |
| 978 | protected function getAllSkinStyleFiles() { |
| 979 | $skinFactory = MediaWikiServices::getInstance()->getSkinFactory(); |
| 980 | $styleFiles = []; |
| 981 | |
| 982 | $internalSkinNames = array_keys( $skinFactory->getInstalledSkins() ); |
| 983 | $internalSkinNames[] = 'default'; |
| 984 | |
| 985 | foreach ( $internalSkinNames as $internalSkinName ) { |
| 986 | $styleFiles = array_merge_recursive( |
| 987 | $styleFiles, |
| 988 | $this->getSkinStyleFiles( $internalSkinName ) |
| 989 | ); |
| 990 | } |
| 991 | |
| 992 | return $styleFiles; |
| 993 | } |
| 994 | |
| 995 | /** |
| 996 | * Get all style files and all skin style files used by this module. |
| 997 | * |
| 998 | * @return array |
| 999 | */ |
| 1000 | public function getAllStyleFiles() { |
| 1001 | $collatedStyleFiles = array_merge_recursive( |
| 1002 | self::collateStyleFilesByMedia( $this->styles ), |
| 1003 | $this->getAllSkinStyleFiles() |
| 1004 | ); |
| 1005 | |
| 1006 | $result = []; |
| 1007 | |
| 1008 | foreach ( $collatedStyleFiles as $styleFiles ) { |
| 1009 | foreach ( $styleFiles as $styleFile ) { |
| 1010 | $result[] = $this->getLocalPath( $styleFile ); |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | return $result; |
| 1015 | } |
| 1016 | |
| 1017 | /** |
| 1018 | * Read the contents of a list of CSS files and remap and concatenate these. |
| 1019 | * |
| 1020 | * @internal This is considered a private method. Exposed for internal use by WebInstallerOutput. |
| 1021 | * @param array<string,array<int,string|FilePath>> $styles Map of media type to file paths |
| 1022 | * @param Context $context |
| 1023 | * @return array<string,string> Map of combined CSS code, keyed by media type |
| 1024 | */ |
| 1025 | public function readStyleFiles( array $styles, Context $context ) { |
| 1026 | if ( !$styles ) { |
| 1027 | return []; |
| 1028 | } |
| 1029 | foreach ( $styles as $media => $files ) { |
| 1030 | $uniqueFiles = array_unique( $files, SORT_REGULAR ); |
| 1031 | $styleFiles = []; |
| 1032 | foreach ( $uniqueFiles as $file ) { |
| 1033 | $styleFiles[] = $this->readStyleFile( $file, $context ); |
| 1034 | } |
| 1035 | $styles[$media] = implode( "\n", $styleFiles ); |
| 1036 | } |
| 1037 | return $styles; |
| 1038 | } |
| 1039 | |
| 1040 | /** |
| 1041 | * Read and process a style file. Reads a file from disk and runs it through processStyle(). |
| 1042 | * |
| 1043 | * This method can be used as a callback for array_map() |
| 1044 | * |
| 1045 | * @internal |
| 1046 | * @param string|FilePath $path Path of style file to read |
| 1047 | * @param Context $context |
| 1048 | * @return string CSS code |
| 1049 | */ |
| 1050 | protected function readStyleFile( $path, Context $context ) { |
| 1051 | $localPath = $this->getLocalPath( $path ); |
| 1052 | $style = $this->getFileContents( $localPath, 'style' ); |
| 1053 | $styleLang = $this->getStyleSheetLang( $localPath ); |
| 1054 | |
| 1055 | return $this->processStyle( $style, $styleLang, $path, $context ); |
| 1056 | } |
| 1057 | |
| 1058 | /** |
| 1059 | * Process a CSS/LESS string. |
| 1060 | * |
| 1061 | * This method performs the following processing steps: |
| 1062 | * - LESS compilation (if $styleLang = 'less') |
| 1063 | * - RTL flipping with CSSJanus (if getFlip() returns true) |
| 1064 | * - Registration of references to local files in $localFileRefs and $missingLocalFileRefs |
| 1065 | * - URL remapping and data URI embedding |
| 1066 | * |
| 1067 | * @internal |
| 1068 | * @param string $style CSS or LESS code |
| 1069 | * @param string $styleLang Language of $style code ('css' or 'less') |
| 1070 | * @param string|FilePath $path Path to code file, used for resolving relative file paths |
| 1071 | * @param Context $context |
| 1072 | * @return string Processed CSS code |
| 1073 | */ |
| 1074 | protected function processStyle( $style, $styleLang, $path, Context $context ) { |
| 1075 | $localPath = $this->getLocalPath( $path ); |
| 1076 | $remotePath = $this->getRemotePath( $path ); |
| 1077 | |
| 1078 | if ( $styleLang === 'less' ) { |
| 1079 | $style = $this->compileLessString( $style, $localPath, $context ); |
| 1080 | $this->hasGeneratedStyles = true; |
| 1081 | } |
| 1082 | |
| 1083 | if ( $this->getFlip( $context ) ) { |
| 1084 | $style = CSSJanus::transform( |
| 1085 | $style, |
| 1086 | /* $swapLtrRtlInURL = */ true, |
| 1087 | /* $swapLeftRightInURL = */ false |
| 1088 | ); |
| 1089 | $this->hasGeneratedStyles = true; |
| 1090 | } |
| 1091 | |
| 1092 | $localDir = dirname( $localPath ); |
| 1093 | $remoteDir = dirname( $remotePath ); |
| 1094 | // Get and register local file references |
| 1095 | $localFileRefs = CSSMin::getLocalFileReferences( $style, $localDir ); |
| 1096 | foreach ( $localFileRefs as $file ) { |
| 1097 | if ( is_file( $file ) ) { |
| 1098 | $this->localFileRefs[] = $file; |
| 1099 | } else { |
| 1100 | $this->missingLocalFileRefs[] = $file; |
| 1101 | } |
| 1102 | } |
| 1103 | // Don't cache this call. remap() ensures data URIs embeds are up to date, |
| 1104 | // and urls contain correct content hashes in their query string. (T128668) |
| 1105 | return CSSMin::remap( $style, $localDir, $remoteDir, true ); |
| 1106 | } |
| 1107 | |
| 1108 | /** |
| 1109 | * Get whether CSS for this module should be flipped |
| 1110 | * @param Context $context |
| 1111 | * @return bool |
| 1112 | */ |
| 1113 | public function getFlip( Context $context ) { |
| 1114 | return $context->getDirection() === 'rtl' && !$this->noflip; |
| 1115 | } |
| 1116 | |
| 1117 | /** |
| 1118 | * Get the module's load type. |
| 1119 | * |
| 1120 | * @since 1.28 |
| 1121 | * @return string |
| 1122 | */ |
| 1123 | public function getType() { |
| 1124 | $canBeStylesOnly = !( |
| 1125 | // All options except 'styles', 'skinStyles' and 'debugRaw' |
| 1126 | $this->scripts |
| 1127 | || $this->debugScripts |
| 1128 | || $this->templates |
| 1129 | || $this->languageScripts |
| 1130 | || $this->skinScripts |
| 1131 | || $this->dependencies |
| 1132 | || $this->messages |
| 1133 | || $this->skipFunction |
| 1134 | || $this->packageFiles |
| 1135 | ); |
| 1136 | return $canBeStylesOnly ? self::LOAD_STYLES : self::LOAD_GENERAL; |
| 1137 | } |
| 1138 | |
| 1139 | /** |
| 1140 | * Compile a LESS string into CSS. |
| 1141 | * |
| 1142 | * Keeps track of all used files and adds them to localFileRefs. |
| 1143 | * |
| 1144 | * @since 1.35 |
| 1145 | * @param string $style LESS source to compile |
| 1146 | * @param string $stylePath File path of LESS source, used for resolving relative file paths |
| 1147 | * @param Context $context Context in which to generate script |
| 1148 | * @return string CSS source |
| 1149 | */ |
| 1150 | protected function compileLessString( $style, $stylePath, Context $context ) { |
| 1151 | static $cache; |
| 1152 | // @TODO: dependency injection |
| 1153 | if ( !$cache ) { |
| 1154 | $cache = MediaWikiServices::getInstance()->getObjectCacheFactory() |
| 1155 | ->getLocalServerInstance( CACHE_HASH ); |
| 1156 | } |
| 1157 | |
| 1158 | $skinName = $context->getSkin(); |
| 1159 | $skinImportPaths = ExtensionRegistry::getInstance()->getAttribute( 'SkinLessImportPaths' ); |
| 1160 | $importDirs = []; |
| 1161 | if ( isset( $skinImportPaths[ $skinName ] ) ) { |
| 1162 | $importDirs[] = $skinImportPaths[ $skinName ]; |
| 1163 | } |
| 1164 | |
| 1165 | $vars = $this->getLessVars( $context ); |
| 1166 | // Construct a cache key from a hash of the LESS source, and a hash digest |
| 1167 | // of the LESS variables and import dirs used for compilation. |
| 1168 | ksort( $vars ); |
| 1169 | $compilerParams = [ |
| 1170 | 'vars' => $vars, |
| 1171 | 'importDirs' => $importDirs, |
| 1172 | // CodexDevelopmentDir affects import path mapping in ResourceLoader::getLessCompiler(), |
| 1173 | // so take that into account too |
| 1174 | 'codexDevDir' => $this->getConfig()->get( MainConfigNames::CodexDevelopmentDir ) |
| 1175 | ]; |
| 1176 | $key = $cache->makeGlobalKey( |
| 1177 | 'resourceloader-less', |
| 1178 | 'v1', |
| 1179 | hash( 'md4', $style ), |
| 1180 | hash( 'md4', serialize( $compilerParams ) ) |
| 1181 | ); |
| 1182 | |
| 1183 | // If we got a cached value, we have to validate it by getting a checksum of all the |
| 1184 | // files that were loaded by the parser and ensuring it matches the cached entry's. |
| 1185 | $data = $cache->get( $key ); |
| 1186 | // T425356: Expand here to avoid implicit reliance on global getcwd() matching MW_INSTALL_PATH. |
| 1187 | $files = $data ? Module::expandRelativePaths( $data['files'] ) : false; |
| 1188 | |
| 1189 | if ( |
| 1190 | !$data || |
| 1191 | $data['hash'] !== FileContentsHasher::getFileContentsHash( $files ) |
| 1192 | ) { |
| 1193 | $compiler = $context->getResourceLoader()->getLessCompiler( $vars, $importDirs ); |
| 1194 | |
| 1195 | $css = $compiler->parse( $style, $stylePath )->getCss(); |
| 1196 | $files = $compiler->getParsedFiles(); |
| 1197 | $data = [ |
| 1198 | 'css' => $css, |
| 1199 | 'files' => Module::getRelativePaths( $files ), |
| 1200 | // T253055: store the implicit dependency paths in a form relative to any install |
| 1201 | // path so that multiple version of the application can share the cache for identical |
| 1202 | // less stylesheets. This also avoids churn during application updates. |
| 1203 | 'hash' => FileContentsHasher::getFileContentsHash( $files ) |
| 1204 | ]; |
| 1205 | $cache->set( $key, $data, $cache::TTL_DAY ); |
| 1206 | } |
| 1207 | |
| 1208 | foreach ( $files as $path ) { |
| 1209 | $this->localFileRefs[] = $path; |
| 1210 | } |
| 1211 | |
| 1212 | return $data['css']; |
| 1213 | } |
| 1214 | |
| 1215 | /** |
| 1216 | * Get content of named templates for this module. |
| 1217 | * |
| 1218 | * @return array<string,string> Templates mapping template alias to content |
| 1219 | */ |
| 1220 | public function getTemplates() { |
| 1221 | $templates = []; |
| 1222 | |
| 1223 | foreach ( $this->templates as $alias => $templatePath ) { |
| 1224 | // Alias is optional |
| 1225 | if ( is_int( $alias ) ) { |
| 1226 | $alias = $this->getPath( $templatePath ); |
| 1227 | } |
| 1228 | $localPath = $this->getLocalPath( $templatePath ); |
| 1229 | $content = $this->getFileContents( $localPath, 'template' ); |
| 1230 | |
| 1231 | $templates[$alias] = $this->stripBom( $content ); |
| 1232 | } |
| 1233 | return $templates; |
| 1234 | } |
| 1235 | |
| 1236 | /** |
| 1237 | * Internal helper for use by getPackageFiles(), getFileHashes() and getDefinitionSummary(). |
| 1238 | * |
| 1239 | * This expands the 'packageFiles' definition into something that's (almost) the right format |
| 1240 | * for getPackageFiles() to return. It expands shorthands, resolves config vars, and handles |
| 1241 | * summarising any non-file data for getVersionHash(). For file-based data, getFileHashes() |
| 1242 | * handles it instead, which also ends up in getDefinitionSummary(). |
| 1243 | * |
| 1244 | * What it does not do is reading the actual contents of any specified files, nor invoking |
| 1245 | * the computation callbacks. Those things are done by getPackageFiles() instead to improve |
| 1246 | * backend performance by only doing this work when the module response is needed, and not |
| 1247 | * when merely computing the version hash for StartupModule, or when checking |
| 1248 | * If-None-Match headers for a HTTP 304 response. |
| 1249 | * |
| 1250 | * @param Context $context |
| 1251 | * @return array|null Array of arrays as returned by expandFileInfo(), with the key being |
| 1252 | * the file name, or null if this is not a package file module. |
| 1253 | * @phan-return array{main:?string,files:array[]}|null |
| 1254 | */ |
| 1255 | private function expandPackageFiles( Context $context ) { |
| 1256 | $hash = $context->getHash(); |
| 1257 | if ( isset( $this->expandedPackageFiles[$hash] ) ) { |
| 1258 | return $this->expandedPackageFiles[$hash]; |
| 1259 | } |
| 1260 | if ( $this->packageFiles === null ) { |
| 1261 | return null; |
| 1262 | } |
| 1263 | $expandedFiles = []; |
| 1264 | $mainFile = null; |
| 1265 | |
| 1266 | foreach ( $this->packageFiles as $key => $fileInfo ) { |
| 1267 | $expanded = $this->expandFileInfo( $context, $fileInfo, "packageFiles[$key]" ); |
| 1268 | $fileName = $expanded['name']; |
| 1269 | if ( !empty( $expanded['main'] ) ) { |
| 1270 | unset( $expanded['main'] ); |
| 1271 | $type = $expanded['type']; |
| 1272 | $mainFile = $fileName; |
| 1273 | if ( $type !== 'script' && $type !== 'script-vue' ) { |
| 1274 | $msg = "Main file in package must be of type 'script', module " . |
| 1275 | "'{$this->getName()}', main file '{$mainFile}' is '{$type}'."; |
| 1276 | $this->getLogger()->error( $msg ); |
| 1277 | throw new LogicException( $msg ); |
| 1278 | } |
| 1279 | } |
| 1280 | $expandedFiles[$fileName] = $expanded; |
| 1281 | } |
| 1282 | |
| 1283 | if ( $expandedFiles && $mainFile === null ) { |
| 1284 | // The first package file that is a script is the main file |
| 1285 | foreach ( $expandedFiles as $path => $file ) { |
| 1286 | if ( $file['type'] === 'script' || $file['type'] === 'script-vue' ) { |
| 1287 | $mainFile = $path; |
| 1288 | break; |
| 1289 | } |
| 1290 | } |
| 1291 | } |
| 1292 | |
| 1293 | $result = [ |
| 1294 | 'main' => $mainFile, |
| 1295 | 'files' => $expandedFiles |
| 1296 | ]; |
| 1297 | |
| 1298 | $this->expandedPackageFiles[$hash] = $result; |
| 1299 | return $result; |
| 1300 | } |
| 1301 | |
| 1302 | /** |
| 1303 | * Process a file info array as specified in configuration or extension.json, |
| 1304 | * expanding shortcuts and callbacks. |
| 1305 | * |
| 1306 | * @see MainConfigSchema::ResourceModules |
| 1307 | * |
| 1308 | * @param Context $context |
| 1309 | * @param array|string|FilePath $fileInfo |
| 1310 | * @param string $debugKey |
| 1311 | * @return array An associative array with the following keys: |
| 1312 | * - name: (string) The filename relative to the module base. This is unique only within |
| 1313 | * the context of the current module. It may be a virtual name. |
| 1314 | * - type: (string) May be 'script', 'script-vue', 'data' or 'text' |
| 1315 | * - filePath: (FilePath) The FilePath object which should be used to load the content. |
| 1316 | * This will be absent if the content was loaded another way. |
| 1317 | * - virtualFilePath: (FilePath) A FilePath object for a virtual path which doesn't actually |
| 1318 | * exist. This is used for source map generation. Optional. |
| 1319 | * - versionFilePath: (FilePath) A FilePath object which is the ultimate source of a |
| 1320 | * generated file. The timestamp and contents will be used for version generation. |
| 1321 | * Generated by the callback specified in versionCallback. Optional. |
| 1322 | * - content: (string|mixed) If the 'type' element is 'script', this is a string containing |
| 1323 | * JS code, being the contents of the script file. For any other type, this contains data |
| 1324 | * which will be JSON serialized. Optional, if not set, it will be set in readFileInfo(). |
| 1325 | * - callback: (callable) A callback to call to obtain the contents. This will be set if the |
| 1326 | * version callback was present in the input, indicating that the callback is expensive. |
| 1327 | * - callbackParam: (array) The parameters to be passed to the callback. |
| 1328 | * - definitionSummary: (array) The data returned by the version callback. |
| 1329 | * - main: (bool) Whether the file is the main file of the package. |
| 1330 | */ |
| 1331 | private function expandFileInfo( Context $context, $fileInfo, $debugKey ) { |
| 1332 | if ( is_string( $fileInfo ) ) { |
| 1333 | // Inline common case |
| 1334 | return [ |
| 1335 | 'name' => $fileInfo, |
| 1336 | 'type' => self::getPackageFileType( $fileInfo ), |
| 1337 | 'filePath' => new FilePath( $fileInfo, $this->localBasePath, $this->remoteBasePath ) |
| 1338 | ]; |
| 1339 | } elseif ( $fileInfo instanceof FilePath ) { |
| 1340 | $fileInfo = [ |
| 1341 | 'name' => $fileInfo->getPath(), |
| 1342 | 'file' => $fileInfo |
| 1343 | ]; |
| 1344 | } elseif ( !is_array( $fileInfo ) ) { |
| 1345 | $msg = "Invalid type in $debugKey for module '{$this->getName()}', " . |
| 1346 | "must be array, string or FilePath"; |
| 1347 | $this->getLogger()->error( $msg ); |
| 1348 | throw new LogicException( $msg ); |
| 1349 | } |
| 1350 | if ( !isset( $fileInfo['name'] ) ) { |
| 1351 | $msg = "Missing 'name' key in $debugKey for module '{$this->getName()}'"; |
| 1352 | $this->getLogger()->error( $msg ); |
| 1353 | throw new LogicException( $msg ); |
| 1354 | } |
| 1355 | $fileName = $this->getPath( $fileInfo['name'] ); |
| 1356 | |
| 1357 | // Infer type from alias if needed |
| 1358 | $type = $fileInfo['type'] ?? self::getPackageFileType( $fileName ); |
| 1359 | $expanded = [ |
| 1360 | 'name' => $fileName, |
| 1361 | 'type' => $type |
| 1362 | ]; |
| 1363 | if ( !empty( $fileInfo['main'] ) ) { |
| 1364 | $expanded['main'] = true; |
| 1365 | } |
| 1366 | |
| 1367 | // Perform expansions (except 'file' and 'callback'), creating one of these keys: |
| 1368 | // - 'content': literal value. |
| 1369 | // - 'filePath': content to be read from a file. |
| 1370 | // - 'callback': content computed by a callable. |
| 1371 | if ( isset( $fileInfo['content'] ) ) { |
| 1372 | $expanded['content'] = $fileInfo['content']; |
| 1373 | } elseif ( isset( $fileInfo['file'] ) ) { |
| 1374 | $expanded['filePath'] = $this->makeFilePath( $fileInfo['file'] ); |
| 1375 | } elseif ( isset( $fileInfo['callback'] ) ) { |
| 1376 | // If no extra parameter for the callback is given, use null. |
| 1377 | $expanded['callbackParam'] = $fileInfo['callbackParam'] ?? null; |
| 1378 | |
| 1379 | if ( !is_callable( $fileInfo['callback'] ) ) { |
| 1380 | $msg = "Invalid 'callback' for module '{$this->getName()}', file '{$fileName}'."; |
| 1381 | $this->getLogger()->error( $msg ); |
| 1382 | throw new LogicException( $msg ); |
| 1383 | } |
| 1384 | if ( isset( $fileInfo['versionCallback'] ) ) { |
| 1385 | if ( !is_callable( $fileInfo['versionCallback'] ) ) { |
| 1386 | throw new LogicException( "Invalid 'versionCallback' for " |
| 1387 | . "module '{$this->getName()}', file '{$fileName}'." |
| 1388 | ); |
| 1389 | } |
| 1390 | |
| 1391 | // Execute the versionCallback with the same arguments that |
| 1392 | // would be given to the callback |
| 1393 | $callbackResult = ( $fileInfo['versionCallback'] )( |
| 1394 | $context, |
| 1395 | $this->getConfig(), |
| 1396 | $expanded['callbackParam'] |
| 1397 | ); |
| 1398 | if ( $callbackResult instanceof FilePath ) { |
| 1399 | $callbackResult->initBasePaths( $this->localBasePath, $this->remoteBasePath ); |
| 1400 | $expanded['versionFilePath'] = $callbackResult; |
| 1401 | } else { |
| 1402 | $expanded['definitionSummary'] = $callbackResult; |
| 1403 | } |
| 1404 | // Don't invoke 'callback' here as it may be expensive (T223260). |
| 1405 | $expanded['callback'] = $fileInfo['callback']; |
| 1406 | } else { |
| 1407 | // Else go ahead invoke callback with its arguments. |
| 1408 | $callbackResult = ( $fileInfo['callback'] )( |
| 1409 | $context, |
| 1410 | $this->getConfig(), |
| 1411 | $expanded['callbackParam'] |
| 1412 | ); |
| 1413 | if ( $callbackResult instanceof FilePath ) { |
| 1414 | $callbackResult->initBasePaths( $this->localBasePath, $this->remoteBasePath ); |
| 1415 | $expanded['filePath'] = $callbackResult; |
| 1416 | } else { |
| 1417 | $expanded['content'] = $callbackResult; |
| 1418 | } |
| 1419 | } |
| 1420 | } elseif ( isset( $fileInfo['config'] ) ) { |
| 1421 | if ( $type !== 'data' ) { |
| 1422 | $msg = "Key 'config' only valid for data files. " |
| 1423 | . " Module '{$this->getName()}', file '{$fileName}' is '{$type}'."; |
| 1424 | $this->getLogger()->error( $msg ); |
| 1425 | throw new LogicException( $msg ); |
| 1426 | } |
| 1427 | $expandedConfig = []; |
| 1428 | foreach ( $fileInfo['config'] as $configKey => $var ) { |
| 1429 | $expandedConfig[ is_numeric( $configKey ) ? $var : $configKey ] = $this->getConfig()->get( $var ); |
| 1430 | } |
| 1431 | $expanded['content'] = $expandedConfig; |
| 1432 | } elseif ( !empty( $fileInfo['main'] ) ) { |
| 1433 | // [ 'name' => 'foo.js', 'main' => true ] is shorthand |
| 1434 | $expanded['filePath'] = $this->makeFilePath( $fileName ); |
| 1435 | } else { |
| 1436 | $msg = "Incomplete definition for module '{$this->getName()}', file '{$fileName}'. " |
| 1437 | . "One of 'file', 'content', 'callback', or 'config' must be set."; |
| 1438 | $this->getLogger()->error( $msg ); |
| 1439 | throw new LogicException( $msg ); |
| 1440 | } |
| 1441 | if ( !isset( $expanded['filePath'] ) ) { |
| 1442 | $expanded['virtualFilePath'] = $this->makeFilePath( $fileName ); |
| 1443 | } |
| 1444 | return $expanded; |
| 1445 | } |
| 1446 | |
| 1447 | /** |
| 1448 | * Cast a FilePath or string to a FilePath |
| 1449 | * |
| 1450 | * @param FilePath|string $path |
| 1451 | * @return FilePath |
| 1452 | */ |
| 1453 | private function makeFilePath( $path ): FilePath { |
| 1454 | if ( $path instanceof FilePath ) { |
| 1455 | return $path; |
| 1456 | } elseif ( is_string( $path ) ) { |
| 1457 | return new FilePath( $path, $this->localBasePath, $this->remoteBasePath ); |
| 1458 | } else { |
| 1459 | throw new InvalidArgumentException( '$path must be either FilePath or string' ); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | /** |
| 1464 | * Resolve the package files definition and generate the content of each package file. |
| 1465 | * |
| 1466 | * @param Context $context |
| 1467 | * @return array|null Package files data structure, see Module::getScript() |
| 1468 | */ |
| 1469 | public function getPackageFiles( Context $context ) { |
| 1470 | if ( $this->packageFiles === null ) { |
| 1471 | return null; |
| 1472 | } |
| 1473 | $hash = $context->getHash(); |
| 1474 | if ( isset( $this->fullyExpandedPackageFiles[ $hash ] ) ) { |
| 1475 | return $this->fullyExpandedPackageFiles[ $hash ]; |
| 1476 | } |
| 1477 | $expandedPackageFiles = $this->expandPackageFiles( $context ) ?? []; |
| 1478 | |
| 1479 | // T402278: use array_map() to avoid &references here |
| 1480 | $expandedPackageFiles['files'] = array_map( function ( array $fileInfo ) use ( $context ): array { |
| 1481 | return $this->readFileInfo( $context, $fileInfo ); |
| 1482 | }, $expandedPackageFiles['files'] ); |
| 1483 | |
| 1484 | $this->fullyExpandedPackageFiles[ $hash ] = $expandedPackageFiles; |
| 1485 | return $expandedPackageFiles; |
| 1486 | } |
| 1487 | |
| 1488 | /** |
| 1489 | * Given a file info array as returned by expandFileInfo(), expand the file paths and |
| 1490 | * remaining callbacks, ensuring that the 'content' element is populated. Return a |
| 1491 | * modified copy of the array, removing intermediate data such as callback parameters. |
| 1492 | * |
| 1493 | * @param Context $context |
| 1494 | * @param array $fileInfo |
| 1495 | * @return array |
| 1496 | */ |
| 1497 | private function readFileInfo( Context $context, array $fileInfo ): array { |
| 1498 | // Turn any 'filePath' or 'callback' key into actual 'content', |
| 1499 | // and remove the key after that. The callback could return a |
| 1500 | // FilePath object; if that happens, fall through to the 'filePath' |
| 1501 | // handling. |
| 1502 | if ( !isset( $fileInfo['content'] ) && isset( $fileInfo['callback'] ) ) { |
| 1503 | $callbackResult = ( $fileInfo['callback'] )( |
| 1504 | $context, |
| 1505 | $this->getConfig(), |
| 1506 | $fileInfo['callbackParam'] |
| 1507 | ); |
| 1508 | if ( $callbackResult instanceof FilePath ) { |
| 1509 | // Fall through to the filePath handling code below |
| 1510 | $fileInfo['filePath'] = $callbackResult; |
| 1511 | } else { |
| 1512 | $fileInfo['content'] = $callbackResult; |
| 1513 | } |
| 1514 | unset( $fileInfo['callback'] ); |
| 1515 | } |
| 1516 | // Only interpret 'filePath' if 'content' hasn't been set already. |
| 1517 | // This can happen if 'versionCallback' provided 'filePath', |
| 1518 | // while 'callback' provides 'content'. In that case both are set |
| 1519 | // at this point. The 'filePath' from 'versionCallback' in that case is |
| 1520 | // only to inform getDefinitionSummary(). |
| 1521 | if ( !isset( $fileInfo['content'] ) && isset( $fileInfo['filePath'] ) ) { |
| 1522 | $localPath = $this->getLocalPath( $fileInfo['filePath'] ); |
| 1523 | $content = $this->getFileContents( $localPath, 'package' ); |
| 1524 | if ( $fileInfo['type'] === 'data' ) { |
| 1525 | $content = json_decode( $content, false, 512, JSON_THROW_ON_ERROR ); |
| 1526 | } |
| 1527 | $fileInfo['content'] = $content; |
| 1528 | } |
| 1529 | if ( $fileInfo['type'] === 'script-vue' ) { |
| 1530 | try { |
| 1531 | $fileInfo[ 'content' ] = $this->parseVueContent( $context, $fileInfo[ 'content' ] ); |
| 1532 | } catch ( InvalidArgumentException $e ) { |
| 1533 | $msg = "Error parsing file '{$fileInfo['name']}' in module '{$this->getName()}': " . |
| 1534 | "{$e->getMessage()}"; |
| 1535 | $this->getLogger()->error( $msg ); |
| 1536 | throw new RuntimeException( $msg ); |
| 1537 | } |
| 1538 | $fileInfo['type'] = 'script+style'; |
| 1539 | } |
| 1540 | if ( !isset( $fileInfo['content'] ) ) { |
| 1541 | // This should not be possible due to validation in expandFileInfo() |
| 1542 | $msg = "Unable to resolve contents for file {$fileInfo['name']}"; |
| 1543 | $this->getLogger()->error( $msg ); |
| 1544 | throw new RuntimeException( $msg ); |
| 1545 | } |
| 1546 | |
| 1547 | // Not needed for client response, exists for use by getDefinitionSummary(). |
| 1548 | unset( $fileInfo['definitionSummary'] ); |
| 1549 | // Not needed for client response, used by callbacks only. |
| 1550 | unset( $fileInfo['callbackParam'] ); |
| 1551 | |
| 1552 | return $fileInfo; |
| 1553 | } |
| 1554 | |
| 1555 | /** |
| 1556 | * Take an input string and remove the UTF-8 BOM character if present |
| 1557 | * |
| 1558 | * We need to remove these after reading a file, because we concatenate our files and |
| 1559 | * the BOM character is not valid in the middle of a string. |
| 1560 | * We already assume UTF-8 everywhere, so this should be safe. |
| 1561 | * |
| 1562 | * @param string $input |
| 1563 | * @return string Input minus the initial BOM char |
| 1564 | */ |
| 1565 | protected function stripBom( $input ) { |
| 1566 | if ( str_starts_with( $input, "\xef\xbb\xbf" ) ) { |
| 1567 | return substr( $input, 3 ); |
| 1568 | } |
| 1569 | return $input; |
| 1570 | } |
| 1571 | } |
| 1572 | |
| 1573 | /** |
| 1574 | * NOTE: This is kept as a stable class alias, intentionally not deprecated (T398827). |
| 1575 | * |
| 1576 | * @since 1.32 |
| 1577 | */ |
| 1578 | class_alias( FileModule::class, 'MediaWiki\ResourceLoader\LessVarFileModule' ); |