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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2006, 2010 Yuri Astrakhan "<Firstname><Lastname>@gmail.com" |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | */ |
| 22 | |
| 23 | use MediaWiki\Api\ApiHookRunner; |
| 24 | use MediaWiki\Api\Validator\SubmoduleDef; |
| 25 | use MediaWiki\Block\Block; |
| 26 | use MediaWiki\Context\ContextSource; |
| 27 | use MediaWiki\Context\IContextSource; |
| 28 | use MediaWiki\HookContainer\HookContainer; |
| 29 | use MediaWiki\Language\RawMessage; |
| 30 | use MediaWiki\MainConfigNames; |
| 31 | use MediaWiki\MediaWikiServices; |
| 32 | use MediaWiki\Page\PageIdentity; |
| 33 | use MediaWiki\ParamValidator\TypeDef\NamespaceDef; |
| 34 | use MediaWiki\Permissions\Authority; |
| 35 | use MediaWiki\Permissions\PermissionManager; |
| 36 | use MediaWiki\Permissions\PermissionStatus; |
| 37 | use MediaWiki\Specials\SpecialVersion; |
| 38 | use MediaWiki\Status\Status; |
| 39 | use MediaWiki\Title\Title; |
| 40 | use MediaWiki\User\User; |
| 41 | use MediaWiki\User\UserRigorOptions; |
| 42 | use Wikimedia\ParamValidator\ParamValidator; |
| 43 | use Wikimedia\ParamValidator\TypeDef\EnumDef; |
| 44 | use Wikimedia\ParamValidator\TypeDef\IntegerDef; |
| 45 | use Wikimedia\ParamValidator\TypeDef\StringDef; |
| 46 | use Wikimedia\Rdbms\IReadableDatabase; |
| 47 | use Wikimedia\Timestamp\TimestampException; |
| 48 | |
| 49 | /** |
| 50 | * This abstract class implements many basic API functions, and is the base of |
| 51 | * all API classes. |
| 52 | * |
| 53 | * The class functions are divided into several areas of functionality: |
| 54 | * |
| 55 | * Module parameters: Derived classes can define getAllowedParams() to specify |
| 56 | * which parameters to expect, how to parse and validate them. |
| 57 | * |
| 58 | * Self-documentation: code to allow the API to document its own state |
| 59 | * |
| 60 | * @stable to extend |
| 61 | * |
| 62 | * @ingroup API |
| 63 | */ |
| 64 | abstract class ApiBase extends ContextSource { |
| 65 | |
| 66 | use ApiBlockInfoTrait; |
| 67 | |
| 68 | /** @var HookContainer */ |
| 69 | private $hookContainer; |
| 70 | |
| 71 | /** @var ApiHookRunner */ |
| 72 | private $hookRunner; |
| 73 | |
| 74 | /** |
| 75 | * @name Old constants for ::getAllowedParams() arrays |
| 76 | * @{ |
| 77 | */ |
| 78 | |
| 79 | /** |
| 80 | * @deprecated since 1.35, use ParamValidator::PARAM_DEFAULT instead |
| 81 | */ |
| 82 | public const PARAM_DFLT = ParamValidator::PARAM_DEFAULT; |
| 83 | /** |
| 84 | * @deprecated since 1.35, use ParamValidator::PARAM_ISMULTI instead |
| 85 | */ |
| 86 | public const PARAM_ISMULTI = ParamValidator::PARAM_ISMULTI; |
| 87 | /** |
| 88 | * @deprecated since 1.35, use ParamValidator::PARAM_TYPE instead |
| 89 | */ |
| 90 | public const PARAM_TYPE = ParamValidator::PARAM_TYPE; |
| 91 | /** |
| 92 | * @deprecated since 1.35, use IntegerDef::PARAM_MAX instead |
| 93 | */ |
| 94 | public const PARAM_MAX = IntegerDef::PARAM_MAX; |
| 95 | /** |
| 96 | * @deprecated since 1.35, use IntegerDef::PARAM_MAX2 instead |
| 97 | */ |
| 98 | public const PARAM_MAX2 = IntegerDef::PARAM_MAX2; |
| 99 | /** |
| 100 | * @deprecated since 1.35, use IntegerDef::PARAM_MIN instead |
| 101 | */ |
| 102 | public const PARAM_MIN = IntegerDef::PARAM_MIN; |
| 103 | /** |
| 104 | * @deprecated since 1.35, use ParamValidator::PARAM_ALLOW_DUPLICATES instead |
| 105 | */ |
| 106 | public const PARAM_ALLOW_DUPLICATES = ParamValidator::PARAM_ALLOW_DUPLICATES; |
| 107 | /** |
| 108 | * @deprecated since 1.35, use ParamValidator::PARAM_DEPRECATED instead |
| 109 | */ |
| 110 | public const PARAM_DEPRECATED = ParamValidator::PARAM_DEPRECATED; |
| 111 | /** |
| 112 | * @deprecated since 1.35, use ParamValidator::PARAM_REQUIRED instead |
| 113 | */ |
| 114 | public const PARAM_REQUIRED = ParamValidator::PARAM_REQUIRED; |
| 115 | /** |
| 116 | * @deprecated since 1.35, use SubmoduleDef::PARAM_SUBMODULE_MAP instead |
| 117 | */ |
| 118 | public const PARAM_SUBMODULE_MAP = SubmoduleDef::PARAM_SUBMODULE_MAP; |
| 119 | /** |
| 120 | * @deprecated since 1.35, use SubmoduleDef::PARAM_SUBMODULE_PARAM_PREFIX instead |
| 121 | */ |
| 122 | public const PARAM_SUBMODULE_PARAM_PREFIX = SubmoduleDef::PARAM_SUBMODULE_PARAM_PREFIX; |
| 123 | /** |
| 124 | * @deprecated since 1.35, use ParamValidator::PARAM_ALL instead |
| 125 | */ |
| 126 | public const PARAM_ALL = ParamValidator::PARAM_ALL; |
| 127 | /** |
| 128 | * @deprecated since 1.35, use NamespaceDef::PARAM_EXTRA_NAMESPACES instead |
| 129 | */ |
| 130 | public const PARAM_EXTRA_NAMESPACES = NamespaceDef::PARAM_EXTRA_NAMESPACES; |
| 131 | /** |
| 132 | * @deprecated since 1.35, use ParamValidator::PARAM_SENSITIVE instead |
| 133 | */ |
| 134 | public const PARAM_SENSITIVE = ParamValidator::PARAM_SENSITIVE; |
| 135 | /** |
| 136 | * @deprecated since 1.35, use EnumDef::PARAM_DEPRECATED_VALUES instead |
| 137 | */ |
| 138 | public const PARAM_DEPRECATED_VALUES = EnumDef::PARAM_DEPRECATED_VALUES; |
| 139 | /** |
| 140 | * @deprecated since 1.35, use ParamValidator::PARAM_ISMULTI_LIMIT1 instead |
| 141 | */ |
| 142 | public const PARAM_ISMULTI_LIMIT1 = ParamValidator::PARAM_ISMULTI_LIMIT1; |
| 143 | /** |
| 144 | * @deprecated since 1.35, use ParamValidator::PARAM_ISMULTI_LIMIT2 instead |
| 145 | */ |
| 146 | public const PARAM_ISMULTI_LIMIT2 = ParamValidator::PARAM_ISMULTI_LIMIT2; |
| 147 | /** |
| 148 | * @deprecated since 1.35, use StringDef::PARAM_MAX_BYTES instead |
| 149 | */ |
| 150 | public const PARAM_MAX_BYTES = StringDef::PARAM_MAX_BYTES; |
| 151 | /** |
| 152 | * @deprecated since 1.35, use StringDef::PARAM_MAX_CHARS instead |
| 153 | */ |
| 154 | public const PARAM_MAX_CHARS = StringDef::PARAM_MAX_CHARS; |
| 155 | /** @} */ |
| 156 | |
| 157 | /** |
| 158 | * (boolean) Inverse of IntegerDef::PARAM_IGNORE_RANGE |
| 159 | * @deprecated since 1.35 |
| 160 | */ |
| 161 | public const PARAM_RANGE_ENFORCE = 'api-param-range-enforce'; |
| 162 | |
| 163 | // region API-specific constants for ::getAllowedParams() arrays |
| 164 | /** @name API-specific constants for ::getAllowedParams() arrays */ |
| 165 | |
| 166 | /** |
| 167 | * (string|array|Message) Specify an alternative i18n documentation message |
| 168 | * for this parameter. Default is apihelp-{$path}-param-{$param}. |
| 169 | * @since 1.25 |
| 170 | */ |
| 171 | public const PARAM_HELP_MSG = 'api-param-help-msg'; |
| 172 | |
| 173 | /** |
| 174 | * ((string|array|Message)[]) Specify additional i18n messages to append to |
| 175 | * the normal message for this parameter. |
| 176 | * @since 1.25 |
| 177 | */ |
| 178 | public const PARAM_HELP_MSG_APPEND = 'api-param-help-msg-append'; |
| 179 | |
| 180 | /** |
| 181 | * (array) Specify additional information tags for the parameter. |
| 182 | * The value is an array of arrays, with the first member being the 'tag' for the info |
| 183 | * and the remaining members being the values. In the help, this is |
| 184 | * formatted using apihelp-{$path}-paraminfo-{$tag}, which is passed |
| 185 | * $1 = count, $2 = comma-joined list of values, $3 = module prefix. |
| 186 | * @since 1.25 |
| 187 | */ |
| 188 | public const PARAM_HELP_MSG_INFO = 'api-param-help-msg-info'; |
| 189 | |
| 190 | /** |
| 191 | * Deprecated and unused. |
| 192 | * @since 1.25 |
| 193 | * @deprecated since 1.35 |
| 194 | */ |
| 195 | public const PARAM_VALUE_LINKS = 'api-param-value-links'; |
| 196 | |
| 197 | /** |
| 198 | * ((string|array|Message)[]) When PARAM_TYPE is an array, or 'string' |
| 199 | * with PARAM_ISMULTI, this is an array mapping parameter values to help |
| 200 | * message specifiers (to be passed to ApiBase::makeMessage()) about |
| 201 | * those values. |
| 202 | * |
| 203 | * When PARAM_TYPE is an array, any value not having a mapping will use |
| 204 | * the apihelp-{$path}-paramvalue-{$param}-{$value} message. (This means |
| 205 | * you can use an empty array to use the default message key for all |
| 206 | * values.) |
| 207 | * |
| 208 | * @since 1.25 |
| 209 | * @note Use with PARAM_TYPE = 'string' is allowed since 1.40. |
| 210 | */ |
| 211 | public const PARAM_HELP_MSG_PER_VALUE = 'api-param-help-msg-per-value'; |
| 212 | |
| 213 | /** |
| 214 | * (array) Indicate that this is a templated parameter, and specify replacements. Keys are the |
| 215 | * placeholders in the parameter name and values are the names of (unprefixed) parameters from |
| 216 | * which the replacement values are taken. |
| 217 | * |
| 218 | * For example, a parameter "foo-{ns}-{title}" could be defined with |
| 219 | * PARAM_TEMPLATE_VARS => [ 'ns' => 'namespaces', 'title' => 'titles' ]. Then a query for |
| 220 | * namespaces=0|1&titles=X|Y would support parameters foo-0-X, foo-0-Y, foo-1-X, and foo-1-Y. |
| 221 | * |
| 222 | * All placeholders must be present in the parameter's name. Each target parameter must have |
| 223 | * PARAM_ISMULTI true. If a target is itself a templated parameter, its PARAM_TEMPLATE_VARS must |
| 224 | * be a subset of the referring parameter's, mapping the same placeholders to the same targets. |
| 225 | * A parameter cannot target itself. |
| 226 | * |
| 227 | * @since 1.32 |
| 228 | */ |
| 229 | public const PARAM_TEMPLATE_VARS = 'param-template-vars'; |
| 230 | |
| 231 | // endregion -- end of API-specific constants for ::getAllowedParams() arrays |
| 232 | |
| 233 | public const ALL_DEFAULT_STRING = '*'; |
| 234 | |
| 235 | /** Fast query, standard limit. */ |
| 236 | public const LIMIT_BIG1 = 500; |
| 237 | /** Fast query, apihighlimits limit. */ |
| 238 | public const LIMIT_BIG2 = 5000; |
| 239 | /** Slow query, standard limit. */ |
| 240 | public const LIMIT_SML1 = 50; |
| 241 | /** Slow query, apihighlimits limit. */ |
| 242 | public const LIMIT_SML2 = 500; |
| 243 | |
| 244 | /** |
| 245 | * getAllowedParams() flag: When this is set, the result could take longer to generate, |
| 246 | * but should be more thorough. E.g. get the list of generators for ApiSandBox extension |
| 247 | * @since 1.21 |
| 248 | */ |
| 249 | public const GET_VALUES_FOR_HELP = 1; |
| 250 | |
| 251 | /** @var array Maps extension paths to info arrays */ |
| 252 | private static $extensionInfo = null; |
| 253 | |
| 254 | /** @var stdClass[][] Cache for self::filterIDs() */ |
| 255 | private static $filterIDsCache = []; |
| 256 | |
| 257 | /** @var array Map of web UI block messages which magically gain machine-readable block info */ |
| 258 | private const BLOCK_CODE_MAP = [ |
| 259 | 'blockedtext' => true, |
| 260 | 'blockedtext-partial' => true, |
| 261 | 'autoblockedtext' => true, |
| 262 | 'systemblockedtext' => true, |
| 263 | 'blockedtext-composite' => true, |
| 264 | 'blockedtext-tempuser' => true, |
| 265 | 'autoblockedtext-tempuser' => true, |
| 266 | ]; |
| 267 | |
| 268 | /** @var array Map of web UI block messages to corresponding API messages and codes */ |
| 269 | private const MESSAGE_CODE_MAP = [ |
| 270 | 'actionthrottled' => [ 'apierror-ratelimited', 'ratelimited' ], |
| 271 | 'actionthrottledtext' => [ 'apierror-ratelimited', 'ratelimited' ], |
| 272 | ]; |
| 273 | |
| 274 | /** @var ApiMain */ |
| 275 | private $mMainModule; |
| 276 | |
| 277 | // Adding inline type hints for these two fields is non-trivial because |
| 278 | // of tests that create mocks for ApiBase subclasses and use |
| 279 | // disableOriginalConstructor(): in those cases the constructor here is never |
| 280 | // hit and thus these will be empty and any uses will raise a "Typed property |
| 281 | // must not be accessed before initialization" error. |
| 282 | /** @var string */ |
| 283 | private $mModuleName; |
| 284 | /** @var string */ |
| 285 | private $mModulePrefix; |
| 286 | |
| 287 | private $mReplicaDB = null; |
| 288 | /** |
| 289 | * @var array |
| 290 | */ |
| 291 | private $mParamCache = []; |
| 292 | /** @var array|null|false */ |
| 293 | private $mModuleSource = false; |
| 294 | |
| 295 | /** |
| 296 | * @stable to call |
| 297 | * @param ApiMain $mainModule |
| 298 | * @param string $moduleName Name of this module |
| 299 | * @param string $modulePrefix Prefix to use for parameter names |
| 300 | */ |
| 301 | public function __construct( ApiMain $mainModule, $moduleName, $modulePrefix = '' ) { |
| 302 | $this->mMainModule = $mainModule; |
| 303 | $this->mModuleName = $moduleName; |
| 304 | $this->mModulePrefix = $modulePrefix; |
| 305 | |
| 306 | if ( !$this->isMain() ) { |
| 307 | $this->setContext( $mainModule->getContext() ); |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | /***************************************************************************/ |
| 312 | // region Methods to implement |
| 313 | /** @name Methods to implement */ |
| 314 | |
| 315 | /** |
| 316 | * Evaluates the parameters, performs the requested query, and sets up |
| 317 | * the result. Concrete implementations of ApiBase must override this |
| 318 | * method to provide whatever functionality their module offers. |
| 319 | * Implementations must not produce any output on their own and are not |
| 320 | * expected to handle any errors. |
| 321 | * |
| 322 | * The execute() method will be invoked directly by ApiMain immediately |
| 323 | * before the result of the module is output. Aside from the |
| 324 | * constructor, implementations should assume that no other methods |
| 325 | * will be called externally on the module before the result is |
| 326 | * processed. |
| 327 | * |
| 328 | * The result data should be stored in the ApiResult object available |
| 329 | * through getResult(). |
| 330 | */ |
| 331 | abstract public function execute(); |
| 332 | |
| 333 | /** |
| 334 | * Get the module manager, or null if this module has no submodules. |
| 335 | * |
| 336 | * @since 1.21 |
| 337 | * @stable to override |
| 338 | * @return ApiModuleManager|null |
| 339 | */ |
| 340 | public function getModuleManager() { |
| 341 | return null; |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * If the module may only be used with a certain format module, |
| 346 | * it should override this method to return an instance of that formatter. |
| 347 | * A value of null means the default format will be used. |
| 348 | * |
| 349 | * @note Do not use this just because you don't want to support non-json |
| 350 | * formats. This should be used only when there is a fundamental |
| 351 | * requirement for a specific format. |
| 352 | * |
| 353 | * @stable to override |
| 354 | * @return ApiFormatBase|null An instance of a class derived from ApiFormatBase, or null |
| 355 | */ |
| 356 | public function getCustomPrinter() { |
| 357 | return null; |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Returns usage examples for this module. |
| 362 | * |
| 363 | * Return value has query strings as keys, with values being either strings |
| 364 | * (message key), arrays (message key + parameter), or Message objects. |
| 365 | * |
| 366 | * Do not call this base class implementation when overriding this method. |
| 367 | * |
| 368 | * @since 1.25 |
| 369 | * @stable to override |
| 370 | * @return array |
| 371 | */ |
| 372 | protected function getExamplesMessages() { |
| 373 | return []; |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Return links to more detailed help pages about the module. |
| 378 | * |
| 379 | * @since 1.25, returning boolean false is deprecated |
| 380 | * @stable to override |
| 381 | * @return string|array |
| 382 | */ |
| 383 | public function getHelpUrls() { |
| 384 | return []; |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * Returns an array of allowed parameters (parameter name) => (default |
| 389 | * value) or (parameter name) => (array with PARAM_* constants as keys) |
| 390 | * Don't call this function directly: use getFinalParams() to allow |
| 391 | * hooks to modify parameters as needed. |
| 392 | * |
| 393 | * Some derived classes may choose to handle an integer $flags parameter |
| 394 | * in the overriding methods. Callers of this method can pass zero or |
| 395 | * more OR-ed flags like GET_VALUES_FOR_HELP. |
| 396 | * |
| 397 | * @stable to override |
| 398 | * @return array |
| 399 | */ |
| 400 | protected function getAllowedParams( /* $flags = 0 */ ) { |
| 401 | // $flags is not declared because it causes "Strict standards" |
| 402 | // warning. Most derived classes do not implement it. |
| 403 | return []; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Indicates if this module needs maxlag to be checked. |
| 408 | * |
| 409 | * @stable to override |
| 410 | * @return bool |
| 411 | */ |
| 412 | public function shouldCheckMaxlag() { |
| 413 | return true; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Indicates whether this module requires read rights. |
| 418 | * |
| 419 | * @stable to override |
| 420 | * @return bool |
| 421 | */ |
| 422 | public function isReadMode() { |
| 423 | return true; |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Indicates whether this module requires write mode. |
| 428 | * |
| 429 | * This should return true for modules that may require synchronous database writes. |
| 430 | * Modules that do not need such writes should also not rely on primary database access, |
| 431 | * since only read queries are needed and each primary DB is a single point of failure. |
| 432 | * Additionally, requests that only need replica DBs can be efficiently routed to any |
| 433 | * datacenter via the Promise-Non-Write-API-Action header. |
| 434 | * |
| 435 | * @stable to override |
| 436 | * @return bool |
| 437 | */ |
| 438 | public function isWriteMode() { |
| 439 | return false; |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Indicates whether this module must be called with a POST request. |
| 444 | * |
| 445 | * @stable to override |
| 446 | * @return bool |
| 447 | */ |
| 448 | public function mustBePosted() { |
| 449 | return $this->needsToken() !== false; |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * Indicates whether this module is deprecated. |
| 454 | * |
| 455 | * @since 1.25 |
| 456 | * @stable to override |
| 457 | * @return bool |
| 458 | */ |
| 459 | public function isDeprecated() { |
| 460 | return false; |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * Indicates whether this module is considered to be "internal". |
| 465 | * |
| 466 | * Internal API modules are not (yet) intended for 3rd party use and may be unstable. |
| 467 | * |
| 468 | * @since 1.25 |
| 469 | * @stable to override |
| 470 | * @return bool |
| 471 | */ |
| 472 | public function isInternal() { |
| 473 | return false; |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Returns the token type this module requires in order to execute. |
| 478 | * |
| 479 | * Modules are strongly encouraged to use the core 'csrf' type unless they |
| 480 | * have specialized security needs. If the token type is not one of the |
| 481 | * core types, you must use the ApiQueryTokensRegisterTypes hook to |
| 482 | * register it. |
| 483 | * |
| 484 | * Returning a non-falsey value here will force the addition of an |
| 485 | * appropriate 'token' parameter in self::getFinalParams(). Also, |
| 486 | * self::mustBePosted() must return true when tokens are used. |
| 487 | * |
| 488 | * In previous versions of MediaWiki, true was a valid return value. |
| 489 | * Returning true will generate errors indicating that the API module needs |
| 490 | * updating. |
| 491 | * |
| 492 | * @stable to override |
| 493 | * @return string|false |
| 494 | */ |
| 495 | public function needsToken() { |
| 496 | return false; |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Fetch the salt used in the Web UI corresponding to this module. |
| 501 | * |
| 502 | * Only override this if the Web UI uses a token with a non-constant salt. |
| 503 | * |
| 504 | * @since 1.24 |
| 505 | * @param array $params All supplied parameters for the module |
| 506 | * @stable to override |
| 507 | * @return string|array|null |
| 508 | */ |
| 509 | protected function getWebUITokenSalt( array $params ) { |
| 510 | return null; |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * Returns data for HTTP conditional request mechanisms. |
| 515 | * |
| 516 | * @since 1.26 |
| 517 | * @stable to override |
| 518 | * @param string $condition Condition being queried: |
| 519 | * - last-modified: Return a timestamp representing the maximum of the |
| 520 | * last-modified dates for all resources involved in the request. See |
| 521 | * RFC 7232 § 2.2 for semantics. |
| 522 | * - etag: Return an entity-tag representing the state of all resources involved |
| 523 | * in the request. Quotes must be included. See RFC 7232 § 2.3 for semantics. |
| 524 | * @return string|bool|null As described above, or null if no value is available. |
| 525 | */ |
| 526 | public function getConditionalRequestData( $condition ) { |
| 527 | return null; |
| 528 | } |
| 529 | |
| 530 | // endregion -- end of methods to implement |
| 531 | |
| 532 | /***************************************************************************/ |
| 533 | // region Data access methods |
| 534 | /** @name Data access methods */ |
| 535 | |
| 536 | /** |
| 537 | * Get the name of the module being executed by this instance. |
| 538 | * |
| 539 | * @return string |
| 540 | */ |
| 541 | public function getModuleName() { |
| 542 | return $this->mModuleName; |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Get parameter prefix (usually two letters or an empty string). |
| 547 | * |
| 548 | * @return string |
| 549 | */ |
| 550 | public function getModulePrefix() { |
| 551 | return $this->mModulePrefix; |
| 552 | } |
| 553 | |
| 554 | /** |
| 555 | * Get the main module. |
| 556 | * |
| 557 | * @return ApiMain |
| 558 | */ |
| 559 | public function getMain() { |
| 560 | return $this->mMainModule; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Returns true if this module is the main module ($this === $this->mMainModule), |
| 565 | * false otherwise. |
| 566 | * |
| 567 | * @return bool |
| 568 | */ |
| 569 | public function isMain() { |
| 570 | return $this === $this->mMainModule; |
| 571 | } |
| 572 | |
| 573 | /** |
| 574 | * Get the parent of this module. |
| 575 | * |
| 576 | * @stable to override |
| 577 | * @since 1.25 |
| 578 | * @return ApiBase|null |
| 579 | */ |
| 580 | public function getParent() { |
| 581 | return $this->isMain() ? null : $this->getMain(); |
| 582 | } |
| 583 | |
| 584 | /** |
| 585 | * Used to avoid infinite loops - the ApiMain class should override some |
| 586 | * methods, if it doesn't and uses the default ApiBase implementation, which |
| 587 | * just calls the same method for the ApiMain instance, it'll lead to an infinite loop |
| 588 | * |
| 589 | * @param string $methodName used for debug messages |
| 590 | */ |
| 591 | private function dieIfMain( string $methodName ) { |
| 592 | if ( $this->isMain() ) { |
| 593 | self::dieDebug( $methodName, 'base method was called on main module.' ); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Returns true if the current request breaks the same-origin policy. |
| 599 | * |
| 600 | * For example, json with callbacks. |
| 601 | * |
| 602 | * https://en.wikipedia.org/wiki/Same-origin_policy |
| 603 | * |
| 604 | * @since 1.25 |
| 605 | * @return bool |
| 606 | */ |
| 607 | public function lacksSameOriginSecurity() { |
| 608 | // The Main module has this method overridden, avoid infinite loops |
| 609 | $this->dieIfMain( __METHOD__ ); |
| 610 | |
| 611 | return $this->getMain()->lacksSameOriginSecurity(); |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * Get the path to this module. |
| 616 | * |
| 617 | * @since 1.25 |
| 618 | * @return string |
| 619 | */ |
| 620 | public function getModulePath() { |
| 621 | if ( $this->isMain() ) { |
| 622 | return 'main'; |
| 623 | } |
| 624 | |
| 625 | if ( $this->getParent()->isMain() ) { |
| 626 | return $this->getModuleName(); |
| 627 | } |
| 628 | |
| 629 | return $this->getParent()->getModulePath() . '+' . $this->getModuleName(); |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * Get a module from its module path. |
| 634 | * |
| 635 | * @since 1.25 |
| 636 | * @param string $path |
| 637 | * @return ApiBase|null |
| 638 | * @throws ApiUsageException |
| 639 | */ |
| 640 | public function getModuleFromPath( $path ) { |
| 641 | $module = $this->getMain(); |
| 642 | if ( $path === 'main' ) { |
| 643 | return $module; |
| 644 | } |
| 645 | |
| 646 | $parts = explode( '+', $path ); |
| 647 | if ( count( $parts ) === 1 ) { |
| 648 | // In case the '+' was typed into URL, it resolves as a space |
| 649 | $parts = explode( ' ', $path ); |
| 650 | } |
| 651 | |
| 652 | foreach ( $parts as $i => $v ) { |
| 653 | $parent = $module; |
| 654 | $manager = $parent->getModuleManager(); |
| 655 | if ( $manager === null ) { |
| 656 | $errorPath = implode( '+', array_slice( $parts, 0, $i ) ); |
| 657 | $this->dieWithError( [ 'apierror-badmodule-nosubmodules', $errorPath ], 'badmodule' ); |
| 658 | } |
| 659 | $module = $manager->getModule( $v ); |
| 660 | |
| 661 | if ( $module === null ) { |
| 662 | $errorPath = $i |
| 663 | ? implode( '+', array_slice( $parts, 0, $i ) ) |
| 664 | : $parent->getModuleName(); |
| 665 | $this->dieWithError( |
| 666 | [ 'apierror-badmodule-badsubmodule', $errorPath, wfEscapeWikiText( $v ) ], |
| 667 | 'badmodule' |
| 668 | ); |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | return $module; |
| 673 | } |
| 674 | |
| 675 | /** |
| 676 | * Get the result object. |
| 677 | * |
| 678 | * @return ApiResult |
| 679 | */ |
| 680 | public function getResult() { |
| 681 | // The Main module has this method overridden, avoid infinite loops |
| 682 | $this->dieIfMain( __METHOD__ ); |
| 683 | |
| 684 | return $this->getMain()->getResult(); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * @stable to override |
| 689 | * @return ApiErrorFormatter |
| 690 | */ |
| 691 | public function getErrorFormatter() { |
| 692 | // The Main module has this method overridden, avoid infinite loops |
| 693 | $this->dieIfMain( __METHOD__ ); |
| 694 | |
| 695 | return $this->getMain()->getErrorFormatter(); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * Gets a default replica DB connection object. |
| 700 | * |
| 701 | * @stable to override |
| 702 | * @return IReadableDatabase |
| 703 | */ |
| 704 | protected function getDB() { |
| 705 | if ( !isset( $this->mReplicaDB ) ) { |
| 706 | $this->mReplicaDB = MediaWikiServices::getInstance() |
| 707 | ->getConnectionProvider() |
| 708 | ->getReplicaDatabase( false, 'api' ); |
| 709 | } |
| 710 | |
| 711 | return $this->mReplicaDB; |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * @return ApiContinuationManager|null |
| 716 | */ |
| 717 | public function getContinuationManager() { |
| 718 | // The Main module has this method overridden, avoid infinite loops |
| 719 | $this->dieIfMain( __METHOD__ ); |
| 720 | |
| 721 | return $this->getMain()->getContinuationManager(); |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * @param ApiContinuationManager|null $manager |
| 726 | */ |
| 727 | public function setContinuationManager( ApiContinuationManager $manager = null ) { |
| 728 | // The Main module has this method overridden, avoid infinite loops |
| 729 | $this->dieIfMain( __METHOD__ ); |
| 730 | |
| 731 | $this->getMain()->setContinuationManager( $manager ); |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Obtain a PermissionManager instance that subclasses may use in their authorization checks. |
| 736 | * |
| 737 | * @since 1.34 |
| 738 | * @return PermissionManager |
| 739 | */ |
| 740 | protected function getPermissionManager(): PermissionManager { |
| 741 | return MediaWikiServices::getInstance()->getPermissionManager(); |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Get a HookContainer, for running extension hooks or for hook metadata. |
| 746 | * |
| 747 | * @since 1.35 |
| 748 | * @return HookContainer |
| 749 | */ |
| 750 | protected function getHookContainer() { |
| 751 | if ( !$this->hookContainer ) { |
| 752 | $this->hookContainer = MediaWikiServices::getInstance()->getHookContainer(); |
| 753 | } |
| 754 | return $this->hookContainer; |
| 755 | } |
| 756 | |
| 757 | /** |
| 758 | * Get an ApiHookRunner for running core API hooks. |
| 759 | * |
| 760 | * @internal This is for use by core only. Hook interfaces may be removed |
| 761 | * without notice. |
| 762 | * @since 1.35 |
| 763 | * @return ApiHookRunner |
| 764 | */ |
| 765 | protected function getHookRunner() { |
| 766 | if ( !$this->hookRunner ) { |
| 767 | $this->hookRunner = new ApiHookRunner( $this->getHookContainer() ); |
| 768 | } |
| 769 | return $this->hookRunner; |
| 770 | } |
| 771 | |
| 772 | // endregion -- end of data access methods |
| 773 | |
| 774 | /***************************************************************************/ |
| 775 | // region Parameter handling |
| 776 | /** @name Parameter handling */ |
| 777 | |
| 778 | /** |
| 779 | * Indicate if the module supports dynamically-determined parameters that |
| 780 | * cannot be included in self::getAllowedParams(). |
| 781 | * @stable to override |
| 782 | * @return string|array|Message|null Return null if the module does not |
| 783 | * support additional dynamic parameters, otherwise return a message |
| 784 | * describing them. |
| 785 | */ |
| 786 | public function dynamicParameterDocumentation() { |
| 787 | return null; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * This method mangles parameter name based on the prefix supplied to the constructor. |
| 792 | * Override this method to change parameter name during runtime. |
| 793 | * |
| 794 | * @param string|string[] $paramName Parameter name |
| 795 | * @return string|string[] Prefixed parameter name |
| 796 | * @since 1.29 accepts an array of strings |
| 797 | */ |
| 798 | public function encodeParamName( $paramName ) { |
| 799 | if ( is_array( $paramName ) ) { |
| 800 | return array_map( function ( $name ) { |
| 801 | return $this->mModulePrefix . $name; |
| 802 | }, $paramName ); |
| 803 | } |
| 804 | |
| 805 | return $this->mModulePrefix . $paramName; |
| 806 | } |
| 807 | |
| 808 | /** |
| 809 | * Using getAllowedParams(), this function makes an array of the values |
| 810 | * provided by the user, with the key being the name of the variable, and |
| 811 | * value - validated value from user or default. limits will not be |
| 812 | * parsed if $parseLimit is set to false; use this when the max |
| 813 | * limit is not definitive yet, e.g. when getting revisions. |
| 814 | * @param bool|array $options If a boolean, uses that as the value for 'parseLimit' |
| 815 | * - parseLimit: (bool, default true) Whether to parse the 'max' value for limit types |
| 816 | * - safeMode: (bool, default false) If true, avoid throwing for parameter validation errors. |
| 817 | * Returned parameter values might be ApiUsageException instances. |
| 818 | * @return array |
| 819 | */ |
| 820 | public function extractRequestParams( $options = [] ) { |
| 821 | if ( is_bool( $options ) ) { |
| 822 | $options = [ 'parseLimit' => $options ]; |
| 823 | } |
| 824 | $options += [ |
| 825 | 'parseLimit' => true, |
| 826 | 'safeMode' => false, |
| 827 | ]; |
| 828 | |
| 829 | // @phan-suppress-next-line PhanTypePossiblyInvalidDimOffset False positive |
| 830 | $parseLimit = (bool)$options['parseLimit']; |
| 831 | $cacheKey = (int)$parseLimit; |
| 832 | |
| 833 | // Cache parameters, for performance and to avoid T26564. |
| 834 | if ( !isset( $this->mParamCache[$cacheKey] ) ) { |
| 835 | $params = $this->getFinalParams() ?: []; |
| 836 | $results = []; |
| 837 | $warned = []; |
| 838 | |
| 839 | // Process all non-templates and save templates for secondary |
| 840 | // processing. |
| 841 | $toProcess = []; |
| 842 | foreach ( $params as $paramName => $paramSettings ) { |
| 843 | if ( isset( $paramSettings[self::PARAM_TEMPLATE_VARS] ) ) { |
| 844 | $toProcess[] = [ $paramName, $paramSettings[self::PARAM_TEMPLATE_VARS], $paramSettings ]; |
| 845 | } else { |
| 846 | try { |
| 847 | $results[$paramName] = $this->getParameterFromSettings( |
| 848 | $paramName, $paramSettings, $parseLimit |
| 849 | ); |
| 850 | } catch ( ApiUsageException $ex ) { |
| 851 | $results[$paramName] = $ex; |
| 852 | } |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | // Now process all the templates by successively replacing the |
| 857 | // placeholders with all client-supplied values. |
| 858 | // This bit duplicates JavaScript logic in |
| 859 | // ApiSandbox.PageLayout.prototype.updateTemplatedParams(). |
| 860 | // If you update this, see if that needs updating too. |
| 861 | while ( $toProcess ) { |
| 862 | [ $name, $targets, $settings ] = array_shift( $toProcess ); |
| 863 | |
| 864 | foreach ( $targets as $placeholder => $target ) { |
| 865 | if ( !array_key_exists( $target, $results ) ) { |
| 866 | // The target wasn't processed yet, try the next one. |
| 867 | // If all hit this case, the parameter has no expansions. |
| 868 | continue; |
| 869 | } |
| 870 | if ( !is_array( $results[$target] ) || !$results[$target] ) { |
| 871 | // The target was processed but has no (valid) values. |
| 872 | // That means it has no expansions. |
| 873 | break; |
| 874 | } |
| 875 | |
| 876 | // Expand this target in the name and all other targets, |
| 877 | // then requeue if there are more targets left or put in |
| 878 | // $results if all are done. |
| 879 | unset( $targets[$placeholder] ); |
| 880 | $placeholder = '{' . $placeholder . '}'; |
| 881 | // @phan-suppress-next-line PhanTypeNoAccessiblePropertiesForeach |
| 882 | foreach ( $results[$target] as $value ) { |
| 883 | if ( !preg_match( '/^[^{}]*$/', $value ) ) { |
| 884 | // Skip values that make invalid parameter names. |
| 885 | $encTargetName = $this->encodeParamName( $target ); |
| 886 | if ( !isset( $warned[$encTargetName][$value] ) ) { |
| 887 | $warned[$encTargetName][$value] = true; |
| 888 | $this->addWarning( [ |
| 889 | 'apiwarn-ignoring-invalid-templated-value', |
| 890 | wfEscapeWikiText( $encTargetName ), |
| 891 | wfEscapeWikiText( $value ), |
| 892 | ] ); |
| 893 | } |
| 894 | continue; |
| 895 | } |
| 896 | |
| 897 | $newName = str_replace( $placeholder, $value, $name ); |
| 898 | if ( !$targets ) { |
| 899 | try { |
| 900 | $results[$newName] = $this->getParameterFromSettings( |
| 901 | $newName, |
| 902 | $settings, |
| 903 | $parseLimit |
| 904 | ); |
| 905 | } catch ( ApiUsageException $ex ) { |
| 906 | $results[$newName] = $ex; |
| 907 | } |
| 908 | } else { |
| 909 | $newTargets = []; |
| 910 | foreach ( $targets as $k => $v ) { |
| 911 | $newTargets[$k] = str_replace( $placeholder, $value, $v ); |
| 912 | } |
| 913 | $toProcess[] = [ $newName, $newTargets, $settings ]; |
| 914 | } |
| 915 | } |
| 916 | break; |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | $this->mParamCache[$cacheKey] = $results; |
| 921 | } |
| 922 | |
| 923 | $ret = $this->mParamCache[$cacheKey]; |
| 924 | if ( !$options['safeMode'] ) { |
| 925 | foreach ( $ret as $v ) { |
| 926 | if ( $v instanceof ApiUsageException ) { |
| 927 | throw $v; |
| 928 | } |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | return $this->mParamCache[$cacheKey]; |
| 933 | } |
| 934 | |
| 935 | /** |
| 936 | * Get a value for the given parameter. |
| 937 | * |
| 938 | * @param string $paramName Parameter name |
| 939 | * @param bool $parseLimit See extractRequestParams() |
| 940 | * @return mixed Parameter value |
| 941 | */ |
| 942 | protected function getParameter( $paramName, $parseLimit = true ) { |
| 943 | $ret = $this->extractRequestParams( [ |
| 944 | 'parseLimit' => $parseLimit, |
| 945 | 'safeMode' => true, |
| 946 | ] )[$paramName]; |
| 947 | if ( $ret instanceof ApiUsageException ) { |
| 948 | throw $ret; |
| 949 | } |
| 950 | return $ret; |
| 951 | } |
| 952 | |
| 953 | /** |
| 954 | * Die if 0 or more than one of a certain set of parameters is set and not false. |
| 955 | * |
| 956 | * @param array $params User provided parameter set, as from $this->extractRequestParams() |
| 957 | * @param string ...$required Names of parameters of which exactly one must be set |
| 958 | */ |
| 959 | public function requireOnlyOneParameter( $params, ...$required ) { |
| 960 | $intersection = array_intersect( array_keys( array_filter( $params, |
| 961 | [ $this, 'parameterNotEmpty' ] ) ), $required ); |
| 962 | |
| 963 | if ( count( $intersection ) > 1 ) { |
| 964 | $this->dieWithError( [ |
| 965 | 'apierror-invalidparammix', |
| 966 | Message::listParam( array_map( |
| 967 | function ( $p ) { |
| 968 | return '<var>' . $this->encodeParamName( $p ) . '</var>'; |
| 969 | }, |
| 970 | array_values( $intersection ) |
| 971 | ) ), |
| 972 | count( $intersection ), |
| 973 | ] ); |
| 974 | } elseif ( count( $intersection ) == 0 ) { |
| 975 | $this->dieWithError( [ |
| 976 | 'apierror-missingparam-one-of', |
| 977 | Message::listParam( array_map( |
| 978 | function ( $p ) { |
| 979 | return '<var>' . $this->encodeParamName( $p ) . '</var>'; |
| 980 | }, |
| 981 | $required |
| 982 | ) ), |
| 983 | count( $required ), |
| 984 | ], 'missingparam' ); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | /** |
| 989 | * Dies if more than one parameter from a certain set of parameters are set and not false. |
| 990 | * |
| 991 | * @param array $params User provided parameters set, as from $this->extractRequestParams() |
| 992 | * @param string ...$required Parameter names that cannot have more than one set |
| 993 | */ |
| 994 | public function requireMaxOneParameter( $params, ...$required ) { |
| 995 | $intersection = array_intersect( array_keys( array_filter( $params, |
| 996 | [ $this, 'parameterNotEmpty' ] ) ), $required ); |
| 997 | |
| 998 | if ( count( $intersection ) > 1 ) { |
| 999 | $this->dieWithError( [ |
| 1000 | 'apierror-invalidparammix', |
| 1001 | Message::listParam( array_map( |
| 1002 | function ( $p ) { |
| 1003 | return '<var>' . $this->encodeParamName( $p ) . '</var>'; |
| 1004 | }, |
| 1005 | array_values( $intersection ) |
| 1006 | ) ), |
| 1007 | count( $intersection ), |
| 1008 | ] ); |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | /** |
| 1013 | * Die if 0 of a certain set of parameters is set and not false. |
| 1014 | * |
| 1015 | * @since 1.23 |
| 1016 | * @param array $params User provided parameters set, as from $this->extractRequestParams() |
| 1017 | * @param string ...$required Names of parameters of which at least one must be set |
| 1018 | */ |
| 1019 | public function requireAtLeastOneParameter( $params, ...$required ) { |
| 1020 | $intersection = array_intersect( |
| 1021 | array_keys( array_filter( $params, [ $this, 'parameterNotEmpty' ] ) ), |
| 1022 | $required |
| 1023 | ); |
| 1024 | |
| 1025 | if ( count( $intersection ) == 0 ) { |
| 1026 | $this->dieWithError( [ |
| 1027 | 'apierror-missingparam-at-least-one-of', |
| 1028 | Message::listParam( array_map( |
| 1029 | function ( $p ) { |
| 1030 | return '<var>' . $this->encodeParamName( $p ) . '</var>'; |
| 1031 | }, |
| 1032 | $required |
| 1033 | ) ), |
| 1034 | count( $required ), |
| 1035 | ], 'missingparam' ); |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | /** |
| 1040 | * Die if any of the specified parameters were found in the query part of |
| 1041 | * the URL rather than the HTTP post body contents. |
| 1042 | * |
| 1043 | * @since 1.28 |
| 1044 | * @param string[] $params Parameters to check |
| 1045 | * @param string $prefix Set to 'noprefix' to skip calling $this->encodeParamName() |
| 1046 | */ |
| 1047 | public function requirePostedParameters( $params, $prefix = 'prefix' ) { |
| 1048 | if ( !$this->mustBePosted() ) { |
| 1049 | // In order to allow client code to choose the correct method (GET or POST) depending *only* |
| 1050 | // on mustBePosted(), make sure that the module requires posting if any of its potential |
| 1051 | // parameters require posting. |
| 1052 | |
| 1053 | // TODO: Uncomment this |
| 1054 | // throw new LogicException( 'mustBePosted() must be true when using requirePostedParameters()' ); |
| 1055 | |
| 1056 | // This seems to already be the case in all modules in practice, but deprecate it first just |
| 1057 | // in case. |
| 1058 | wfDeprecatedMsg( 'mustBePosted() must be true when using requirePostedParameters()', |
| 1059 | '1.42' ); |
| 1060 | } |
| 1061 | |
| 1062 | // Skip if $wgDebugAPI is set, or if we're in internal mode |
| 1063 | if ( $this->getConfig()->get( MainConfigNames::DebugAPI ) || |
| 1064 | $this->getMain()->isInternalMode() ) { |
| 1065 | return; |
| 1066 | } |
| 1067 | |
| 1068 | $queryValues = $this->getRequest()->getQueryValuesOnly(); |
| 1069 | $badParams = []; |
| 1070 | foreach ( $params as $param ) { |
| 1071 | if ( $prefix !== 'noprefix' ) { |
| 1072 | $param = $this->encodeParamName( $param ); |
| 1073 | } |
| 1074 | if ( array_key_exists( $param, $queryValues ) ) { |
| 1075 | $badParams[] = $param; |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | if ( $badParams ) { |
| 1080 | $this->dieWithError( |
| 1081 | [ 'apierror-mustpostparams', implode( ', ', $badParams ), count( $badParams ) ] |
| 1082 | ); |
| 1083 | } |
| 1084 | } |
| 1085 | |
| 1086 | /** |
| 1087 | * Callback function used in requireOnlyOneParameter to check whether required parameters are set. |
| 1088 | * |
| 1089 | * @param mixed $x Parameter to check is not null/false |
| 1090 | * @return bool |
| 1091 | */ |
| 1092 | private function parameterNotEmpty( $x ) { |
| 1093 | return $x !== null && $x !== false; |
| 1094 | } |
| 1095 | |
| 1096 | /** |
| 1097 | * Attempts to load a WikiPage object from a title or pageid parameter, if possible. |
| 1098 | * It can die if no param is set or if the title or page ID is not valid. |
| 1099 | * |
| 1100 | * @param array $params User provided parameter set, as from $this->extractRequestParams() |
| 1101 | * @param string|false $load Whether load the object's state from the database: |
| 1102 | * - false: don't load (if the pageid is given, it will still be loaded) |
| 1103 | * - 'fromdb': load from a replica DB |
| 1104 | * - 'fromdbmaster': load from the primary database |
| 1105 | * @return WikiPage |
| 1106 | */ |
| 1107 | public function getTitleOrPageId( $params, $load = false ) { |
| 1108 | $this->requireOnlyOneParameter( $params, 'title', 'pageid' ); |
| 1109 | |
| 1110 | $pageObj = null; |
| 1111 | if ( isset( $params['title'] ) ) { |
| 1112 | $titleObj = Title::newFromText( $params['title'] ); |
| 1113 | if ( !$titleObj || $titleObj->isExternal() ) { |
| 1114 | $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] ); |
| 1115 | } |
| 1116 | if ( !$titleObj->canExist() ) { |
| 1117 | $this->dieWithError( 'apierror-pagecannotexist' ); |
| 1118 | } |
| 1119 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable T240141 |
| 1120 | $pageObj = MediaWikiServices::getInstance()->getWikiPageFactory()->newFromTitle( $titleObj ); |
| 1121 | if ( $load !== false ) { |
| 1122 | $pageObj->loadPageData( $load ); |
| 1123 | } |
| 1124 | } elseif ( isset( $params['pageid'] ) ) { |
| 1125 | if ( $load === false ) { |
| 1126 | $load = 'fromdb'; |
| 1127 | } |
| 1128 | $pageObj = MediaWikiServices::getInstance()->getWikiPageFactory()->newFromID( $params['pageid'], $load ); |
| 1129 | if ( !$pageObj ) { |
| 1130 | $this->dieWithError( [ 'apierror-nosuchpageid', $params['pageid'] ] ); |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable requireOnlyOneParameter guard it is always set |
| 1135 | return $pageObj; |
| 1136 | } |
| 1137 | |
| 1138 | /** |
| 1139 | * Get a Title object from a title or pageid param, if it is possible. |
| 1140 | * It can die if no param is set or if the title or page ID is not valid. |
| 1141 | * |
| 1142 | * @since 1.29 |
| 1143 | * @param array $params User provided parameter set, as from $this->extractRequestParams() |
| 1144 | * @return Title |
| 1145 | */ |
| 1146 | public function getTitleFromTitleOrPageId( $params ) { |
| 1147 | $this->requireOnlyOneParameter( $params, 'title', 'pageid' ); |
| 1148 | |
| 1149 | $titleObj = null; |
| 1150 | if ( isset( $params['title'] ) ) { |
| 1151 | $titleObj = Title::newFromText( $params['title'] ); |
| 1152 | if ( !$titleObj || $titleObj->isExternal() ) { |
| 1153 | $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] ); |
| 1154 | } |
| 1155 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable T240141 |
| 1156 | return $titleObj; |
| 1157 | } |
| 1158 | |
| 1159 | if ( isset( $params['pageid'] ) ) { |
| 1160 | $titleObj = Title::newFromID( $params['pageid'] ); |
| 1161 | if ( !$titleObj ) { |
| 1162 | $this->dieWithError( [ 'apierror-nosuchpageid', $params['pageid'] ] ); |
| 1163 | } |
| 1164 | } |
| 1165 | |
| 1166 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable requireOnlyOneParameter guard it is always set |
| 1167 | return $titleObj; |
| 1168 | } |
| 1169 | |
| 1170 | /** |
| 1171 | * Using the settings, determine the value for the given parameter. |
| 1172 | * |
| 1173 | * @param string $name Parameter name |
| 1174 | * @param array|mixed $settings Default value or an array of settings |
| 1175 | * using PARAM_* constants. |
| 1176 | * @param bool $parseLimit Whether to parse and validate 'limit' parameters |
| 1177 | * @return mixed Parameter value |
| 1178 | */ |
| 1179 | protected function getParameterFromSettings( $name, $settings, $parseLimit ) { |
| 1180 | $validator = $this->getMain()->getParamValidator(); |
| 1181 | $value = $validator->getValue( $this, $name, $settings, [ |
| 1182 | 'parse-limit' => $parseLimit, |
| 1183 | 'raw' => ( $settings[ParamValidator::PARAM_TYPE] ?? '' ) === 'raw', |
| 1184 | ] ); |
| 1185 | |
| 1186 | // @todo Deprecate and remove this, if possible. |
| 1187 | if ( $parseLimit && isset( $settings[ParamValidator::PARAM_TYPE] ) && |
| 1188 | $settings[ParamValidator::PARAM_TYPE] === 'limit' && |
| 1189 | $this->getMain()->getVal( $this->encodeParamName( $name ) ) === 'max' |
| 1190 | ) { |
| 1191 | $this->getResult()->addParsedLimit( $this->getModuleName(), $value ); |
| 1192 | } |
| 1193 | |
| 1194 | return $value; |
| 1195 | } |
| 1196 | |
| 1197 | /** |
| 1198 | * Handle when a parameter was Unicode-normalized. |
| 1199 | * |
| 1200 | * @since 1.28 |
| 1201 | * @since 1.35 $paramName is prefixed |
| 1202 | * @internal For overriding by subclasses and use by ApiParamValidatorCallbacks only. |
| 1203 | * @param string $paramName Prefixed parameter name |
| 1204 | * @param string $value Input that will be used. |
| 1205 | * @param string $rawValue Input before normalization. |
| 1206 | */ |
| 1207 | public function handleParamNormalization( $paramName, $value, $rawValue ) { |
| 1208 | $this->addWarning( [ 'apiwarn-badutf8', $paramName ] ); |
| 1209 | } |
| 1210 | |
| 1211 | /** |
| 1212 | * Validate the supplied token. |
| 1213 | * |
| 1214 | * @since 1.24 |
| 1215 | * @param string $token Supplied token |
| 1216 | * @param array $params All supplied parameters for the module |
| 1217 | * @return bool |
| 1218 | */ |
| 1219 | final public function validateToken( $token, array $params ) { |
| 1220 | $tokenType = $this->needsToken(); |
| 1221 | $salts = ApiQueryTokens::getTokenTypeSalts(); |
| 1222 | if ( !isset( $salts[$tokenType] ) ) { |
| 1223 | throw new LogicException( |
| 1224 | "Module '{$this->getModuleName()}' tried to use token type '$tokenType' " . |
| 1225 | 'without registering it' |
| 1226 | ); |
| 1227 | } |
| 1228 | |
| 1229 | $tokenObj = ApiQueryTokens::getToken( |
| 1230 | $this->getUser(), $this->getRequest()->getSession(), $salts[$tokenType] |
| 1231 | ); |
| 1232 | if ( $tokenObj->match( $token ) ) { |
| 1233 | return true; |
| 1234 | } |
| 1235 | |
| 1236 | $webUiSalt = $this->getWebUITokenSalt( $params ); |
| 1237 | |
| 1238 | return $webUiSalt !== null && $this->getUser()->matchEditToken( |
| 1239 | $token, $webUiSalt, $this->getRequest() |
| 1240 | ); |
| 1241 | } |
| 1242 | |
| 1243 | // endregion -- end of parameter handling |
| 1244 | |
| 1245 | /***************************************************************************/ |
| 1246 | // region Utility methods |
| 1247 | /** @name Utility methods */ |
| 1248 | |
| 1249 | /** |
| 1250 | * Gets the user for whom to get the watchlist |
| 1251 | * |
| 1252 | * @param array $params |
| 1253 | * @return User |
| 1254 | */ |
| 1255 | public function getWatchlistUser( $params ) { |
| 1256 | if ( $params['owner'] !== null && $params['token'] !== null ) { |
| 1257 | $services = MediaWikiServices::getInstance(); |
| 1258 | $user = $services->getUserFactory()->newFromName( $params['owner'], UserRigorOptions::RIGOR_NONE ); |
| 1259 | if ( !$user || !$user->isRegistered() ) { |
| 1260 | $this->dieWithError( |
| 1261 | [ 'nosuchusershort', wfEscapeWikiText( $params['owner'] ) ], 'bad_wlowner' |
| 1262 | ); |
| 1263 | } |
| 1264 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable T240141 |
| 1265 | $token = $services->getUserOptionsLookup()->getOption( $user, 'watchlisttoken' ); |
| 1266 | if ( $token == '' || !hash_equals( $token, $params['token'] ) ) { |
| 1267 | $this->dieWithError( 'apierror-bad-watchlist-token', 'bad_wltoken' ); |
| 1268 | } |
| 1269 | } else { |
| 1270 | $user = $this->getUser(); |
| 1271 | if ( !$user->isRegistered() ) { |
| 1272 | $this->dieWithError( 'watchlistanontext', 'notloggedin' ); |
| 1273 | } |
| 1274 | $this->checkUserRightsAny( 'viewmywatchlist' ); |
| 1275 | } |
| 1276 | |
| 1277 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable T240141 |
| 1278 | return $user; |
| 1279 | } |
| 1280 | |
| 1281 | /** |
| 1282 | * Create a Message from a string or array |
| 1283 | * |
| 1284 | * A string is used as a message key. An array has the message key as the |
| 1285 | * first value and message parameters as subsequent values. |
| 1286 | * |
| 1287 | * @since 1.25 |
| 1288 | * @param string|array|Message $msg |
| 1289 | * @phan-param string|non-empty-array|Message $msg |
| 1290 | * @param IContextSource $context |
| 1291 | * @param array|null $params |
| 1292 | * @return Message|null |
| 1293 | */ |
| 1294 | public static function makeMessage( $msg, IContextSource $context, array $params = null ) { |
| 1295 | if ( is_string( $msg ) ) { |
| 1296 | $msg = wfMessage( $msg ); |
| 1297 | } elseif ( is_array( $msg ) ) { |
| 1298 | $msg = wfMessage( ...$msg ); |
| 1299 | } |
| 1300 | if ( !$msg instanceof Message ) { |
| 1301 | return null; |
| 1302 | } |
| 1303 | |
| 1304 | $msg->setContext( $context ); |
| 1305 | if ( $params ) { |
| 1306 | $msg->params( $params ); |
| 1307 | } |
| 1308 | |
| 1309 | return $msg; |
| 1310 | } |
| 1311 | |
| 1312 | /** |
| 1313 | * Turn an array of messages into a Status. |
| 1314 | * |
| 1315 | * @see ApiMessage::create |
| 1316 | * |
| 1317 | * @since 1.29 |
| 1318 | * @param array $errors A list of message keys, MessageSpecifier objects, |
| 1319 | * or arrays containing the message key and parameters. |
| 1320 | * @param Authority|null $performer |
| 1321 | * @return Status |
| 1322 | */ |
| 1323 | public function errorArrayToStatus( array $errors, Authority $performer = null ) { |
| 1324 | $performer ??= $this->getAuthority(); |
| 1325 | $block = $performer->getBlock(); |
| 1326 | |
| 1327 | $status = Status::newGood(); |
| 1328 | foreach ( $errors as $error ) { |
| 1329 | if ( !is_array( $error ) ) { |
| 1330 | $error = [ $error ]; |
| 1331 | } |
| 1332 | |
| 1333 | $head = reset( $error ); |
| 1334 | $key = ( $head instanceof MessageSpecifier ) ? $head->getKey() : (string)$head; |
| 1335 | |
| 1336 | if ( isset( self::BLOCK_CODE_MAP[$key] ) && $block ) { |
| 1337 | $status->fatal( ApiMessage::create( |
| 1338 | $error, |
| 1339 | $this->getBlockCode( $block ), |
| 1340 | [ 'blockinfo' => $this->getBlockDetails( $block ) ] |
| 1341 | ) ); |
| 1342 | } elseif ( isset( self::MESSAGE_CODE_MAP[$key] ) ) { |
| 1343 | [ $msg, $code ] = self::MESSAGE_CODE_MAP[$key]; |
| 1344 | $status->fatal( ApiMessage::create( $msg, $code ) ); |
| 1345 | } else { |
| 1346 | // @phan-suppress-next-line PhanParamTooFewUnpack |
| 1347 | $status->fatal( ...$error ); |
| 1348 | } |
| 1349 | } |
| 1350 | return $status; |
| 1351 | } |
| 1352 | |
| 1353 | /** |
| 1354 | * Add block info to block messages in a Status |
| 1355 | * @since 1.33 |
| 1356 | * @internal since 1.37, should become protected in the future. |
| 1357 | * @param StatusValue $status |
| 1358 | * @param Authority|null $user |
| 1359 | */ |
| 1360 | public function addBlockInfoToStatus( StatusValue $status, Authority $user = null ) { |
| 1361 | if ( $status instanceof PermissionStatus ) { |
| 1362 | $block = $status->getBlock(); |
| 1363 | } else { |
| 1364 | $user = $user ?: $this->getAuthority(); |
| 1365 | $block = $user->getBlock(); |
| 1366 | } |
| 1367 | |
| 1368 | if ( !$block ) { |
| 1369 | return; |
| 1370 | } |
| 1371 | foreach ( $status->getErrors() as $error ) { |
| 1372 | $msgKey = $error['message'] instanceof MessageSpecifier ? |
| 1373 | $error['message']->getKey() : |
| 1374 | $error['message']; |
| 1375 | if ( isset( self::BLOCK_CODE_MAP[$msgKey] ) ) { |
| 1376 | $status->replaceMessage( $msgKey, ApiMessage::create( |
| 1377 | $error, |
| 1378 | $this->getBlockCode( $block ), |
| 1379 | [ 'blockinfo' => $this->getBlockDetails( $block ) ] |
| 1380 | ) ); |
| 1381 | } |
| 1382 | } |
| 1383 | } |
| 1384 | |
| 1385 | /** |
| 1386 | * Call wfTransactionalTimeLimit() if this request was POSTed. |
| 1387 | * |
| 1388 | * @since 1.26 |
| 1389 | */ |
| 1390 | protected function useTransactionalTimeLimit() { |
| 1391 | if ( $this->getRequest()->wasPosted() ) { |
| 1392 | wfTransactionalTimeLimit(); |
| 1393 | } |
| 1394 | } |
| 1395 | |
| 1396 | /** |
| 1397 | * Reset static caches of database state. |
| 1398 | * |
| 1399 | * @internal For testing only |
| 1400 | */ |
| 1401 | public static function clearCacheForTest(): void { |
| 1402 | if ( !defined( 'MW_PHPUNIT_TEST' ) ) { |
| 1403 | throw new LogicException( 'Not allowed outside tests' ); |
| 1404 | } |
| 1405 | self::$filterIDsCache = []; |
| 1406 | } |
| 1407 | |
| 1408 | /** |
| 1409 | * Filter out-of-range values from a list of positive integer IDs |
| 1410 | * |
| 1411 | * @since 1.33 |
| 1412 | * @param string[][] $fields Array of table and field pairs to check |
| 1413 | * @param (string|int)[] $ids IDs to filter. Strings in the array are |
| 1414 | * expected to be stringified integers. |
| 1415 | * @return (string|int)[] Filtered IDs. |
| 1416 | */ |
| 1417 | protected function filterIDs( $fields, array $ids ) { |
| 1418 | $min = INF; |
| 1419 | $max = 0; |
| 1420 | foreach ( $fields as [ $table, $field ] ) { |
| 1421 | if ( isset( self::$filterIDsCache[$table][$field] ) ) { |
| 1422 | $row = self::$filterIDsCache[$table][$field]; |
| 1423 | } else { |
| 1424 | $row = $this->getDB()->newSelectQueryBuilder() |
| 1425 | ->select( [ 'min_id' => "MIN($field)", 'max_id' => "MAX($field)" ] ) |
| 1426 | ->from( $table ) |
| 1427 | ->caller( __METHOD__ )->fetchRow(); |
| 1428 | self::$filterIDsCache[$table][$field] = $row; |
| 1429 | } |
| 1430 | $min = min( $min, $row->min_id ); |
| 1431 | $max = max( $max, $row->max_id ); |
| 1432 | } |
| 1433 | return array_filter( $ids, static function ( $id ) use ( $min, $max ) { |
| 1434 | return ( ( is_int( $id ) && $id >= 0 ) || ctype_digit( (string)$id ) ) |
| 1435 | && $id >= $min && $id <= $max; |
| 1436 | } ); |
| 1437 | } |
| 1438 | |
| 1439 | // endregion -- end of utility methods |
| 1440 | |
| 1441 | /***************************************************************************/ |
| 1442 | // region Warning and error reporting |
| 1443 | /** @name Warning and error reporting */ |
| 1444 | |
| 1445 | /** |
| 1446 | * Add a warning for this module. |
| 1447 | * |
| 1448 | * Users should monitor this section to notice any changes in the API. |
| 1449 | * |
| 1450 | * Multiple calls to this function will result in multiple warning messages. |
| 1451 | * |
| 1452 | * If $msg is not an ApiMessage, the message code will be derived from the |
| 1453 | * message key by stripping any "apiwarn-" or "apierror-" prefix. |
| 1454 | * |
| 1455 | * @since 1.29 |
| 1456 | * @param string|array|MessageSpecifier $msg See ApiErrorFormatter::addWarning() |
| 1457 | * @param string|null $code See ApiErrorFormatter::addWarning() |
| 1458 | * @param array|null $data See ApiErrorFormatter::addWarning() |
| 1459 | */ |
| 1460 | public function addWarning( $msg, $code = null, $data = null ) { |
| 1461 | $this->getErrorFormatter()->addWarning( $this->getModulePath(), $msg, $code, $data ); |
| 1462 | } |
| 1463 | |
| 1464 | /** |
| 1465 | * Add a deprecation warning for this module. |
| 1466 | * |
| 1467 | * A combination of $this->addWarning() and $this->logFeatureUsage() |
| 1468 | * |
| 1469 | * @since 1.29 |
| 1470 | * @param string|array|MessageSpecifier $msg See ApiErrorFormatter::addWarning() |
| 1471 | * @param string|null $feature See ApiBase::logFeatureUsage() |
| 1472 | * @param array|null $data See ApiErrorFormatter::addWarning() |
| 1473 | */ |
| 1474 | public function addDeprecation( $msg, $feature, $data = [] ) { |
| 1475 | $data = (array)$data; |
| 1476 | if ( $feature !== null ) { |
| 1477 | $data['feature'] = $feature; |
| 1478 | $this->logFeatureUsage( $feature ); |
| 1479 | } |
| 1480 | $this->addWarning( $msg, 'deprecation', $data ); |
| 1481 | |
| 1482 | // No real need to deduplicate here, ApiErrorFormatter does that for |
| 1483 | // us (assuming the hook is deterministic). |
| 1484 | $msgs = [ $this->msg( 'api-usage-mailinglist-ref' ) ]; |
| 1485 | $this->getHookRunner()->onApiDeprecationHelp( $msgs ); |
| 1486 | if ( count( $msgs ) > 1 ) { |
| 1487 | $key = '$' . implode( ' $', range( 1, count( $msgs ) ) ); |
| 1488 | $msg = ( new RawMessage( $key ) )->params( $msgs ); |
| 1489 | } else { |
| 1490 | $msg = reset( $msgs ); |
| 1491 | } |
| 1492 | $this->getMain()->addWarning( $msg, 'deprecation-help' ); |
| 1493 | } |
| 1494 | |
| 1495 | /** |
| 1496 | * Add an error for this module without aborting |
| 1497 | * |
| 1498 | * If $msg is not an ApiMessage, the message code will be derived from the |
| 1499 | * message key by stripping any "apiwarn-" or "apierror-" prefix. |
| 1500 | * |
| 1501 | * @note If you want to abort processing, use self::dieWithError() instead. |
| 1502 | * @since 1.29 |
| 1503 | * @param string|array|Message $msg See ApiErrorFormatter::addError() |
| 1504 | * @param string|null $code See ApiErrorFormatter::addError() |
| 1505 | * @param array|null $data See ApiErrorFormatter::addError() |
| 1506 | */ |
| 1507 | public function addError( $msg, $code = null, $data = null ) { |
| 1508 | $this->getErrorFormatter()->addError( $this->getModulePath(), $msg, $code, $data ); |
| 1509 | } |
| 1510 | |
| 1511 | /** |
| 1512 | * Add warnings and/or errors from a Status |
| 1513 | * |
| 1514 | * @note If you want to abort processing, use self::dieStatus() instead. |
| 1515 | * @since 1.29 |
| 1516 | * @param StatusValue $status |
| 1517 | * @param string[] $types 'warning' and/or 'error' |
| 1518 | * @param string[] $filter Message keys to filter out (since 1.33) |
| 1519 | */ |
| 1520 | public function addMessagesFromStatus( |
| 1521 | StatusValue $status, $types = [ 'warning', 'error' ], array $filter = [] |
| 1522 | ) { |
| 1523 | $this->getErrorFormatter()->addMessagesFromStatus( |
| 1524 | $this->getModulePath(), $status, $types, $filter |
| 1525 | ); |
| 1526 | } |
| 1527 | |
| 1528 | /** |
| 1529 | * Abort execution with an error |
| 1530 | * |
| 1531 | * If $msg is not an ApiMessage, the message code will be derived from the |
| 1532 | * message key by stripping any "apiwarn-" or "apierror-" prefix. |
| 1533 | * |
| 1534 | * @since 1.29 |
| 1535 | * @param string|array|Message $msg See ApiErrorFormatter::addError() |
| 1536 | * @param string|null $code See ApiErrorFormatter::addError() |
| 1537 | * @param array|null $data See ApiErrorFormatter::addError() |
| 1538 | * @param int $httpCode HTTP error code to use |
| 1539 | * @throws ApiUsageException always |
| 1540 | * @return never |
| 1541 | */ |
| 1542 | public function dieWithError( $msg, $code = null, $data = null, $httpCode = 0 ) { |
| 1543 | throw ApiUsageException::newWithMessage( $this, $msg, $code, $data, $httpCode ); |
| 1544 | } |
| 1545 | |
| 1546 | /** |
| 1547 | * Abort execution with an error derived from a throwable |
| 1548 | * |
| 1549 | * @since 1.29 |
| 1550 | * @param Throwable $exception See ApiErrorFormatter::getMessageFromException() |
| 1551 | * @param array $options See ApiErrorFormatter::getMessageFromException() |
| 1552 | * @throws ApiUsageException always |
| 1553 | * @return never |
| 1554 | */ |
| 1555 | public function dieWithException( Throwable $exception, array $options = [] ) { |
| 1556 | $this->dieWithError( |
| 1557 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 1558 | $this->getErrorFormatter()->getMessageFromException( $exception, $options ) |
| 1559 | ); |
| 1560 | } |
| 1561 | |
| 1562 | /** |
| 1563 | * Throw an ApiUsageException, which will (if uncaught) call the main module's |
| 1564 | * error handler and die with an error message including block info. |
| 1565 | * |
| 1566 | * @since 1.27 |
| 1567 | * @param Block $block The block used to generate the ApiUsageException |
| 1568 | * @throws ApiUsageException always |
| 1569 | * @return never |
| 1570 | */ |
| 1571 | public function dieBlocked( Block $block ) { |
| 1572 | $blockErrorFormatter = MediaWikiServices::getInstance()->getFormatterFactory() |
| 1573 | ->getBlockErrorFormatter( $this->getContext() ); |
| 1574 | |
| 1575 | $msg = $blockErrorFormatter->getMessage( |
| 1576 | $block, |
| 1577 | $this->getUser(), |
| 1578 | null, |
| 1579 | $this->getRequest()->getIP() |
| 1580 | ); |
| 1581 | |
| 1582 | $this->dieWithError( |
| 1583 | $msg, |
| 1584 | $this->getBlockCode( $block ), |
| 1585 | [ 'blockinfo' => $this->getBlockDetails( $block ) ] |
| 1586 | ); |
| 1587 | } |
| 1588 | |
| 1589 | /** |
| 1590 | * Throw an ApiUsageException based on the Status object. |
| 1591 | * |
| 1592 | * @since 1.22 |
| 1593 | * @since 1.29 Accepts a StatusValue |
| 1594 | * @param StatusValue $status |
| 1595 | * @throws ApiUsageException always |
| 1596 | * @return never |
| 1597 | */ |
| 1598 | public function dieStatus( StatusValue $status ) { |
| 1599 | if ( $status->isGood() ) { |
| 1600 | throw new InvalidArgumentException( 'Successful status passed to ApiBase::dieStatus' ); |
| 1601 | } |
| 1602 | |
| 1603 | foreach ( self::MESSAGE_CODE_MAP as $msg => [ $apiMsg, $code ] ) { |
| 1604 | if ( $status->hasMessage( $msg ) ) { |
| 1605 | $status->replaceMessage( $msg, ApiMessage::create( $apiMsg, $code ) ); |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | if ( |
| 1610 | $status instanceof PermissionStatus |
| 1611 | && $status->isRateLimitExceeded() |
| 1612 | && !$status->hasMessage( 'apierror-ratelimited' ) |
| 1613 | ) { |
| 1614 | $status->fatal( ApiMessage::create( 'apierror-ratelimited', 'ratelimited' ) ); |
| 1615 | } |
| 1616 | |
| 1617 | // ApiUsageException needs a fatal status, but this method has |
| 1618 | // historically accepted any non-good status. Convert it if necessary. |
| 1619 | $status->setOK( false ); |
| 1620 | if ( !$status->getErrorsByType( 'error' ) ) { |
| 1621 | $newStatus = Status::newGood(); |
| 1622 | foreach ( $status->getErrorsByType( 'warning' ) as $err ) { |
| 1623 | $newStatus->fatal( $err['message'], ...$err['params'] ); |
| 1624 | } |
| 1625 | if ( !$newStatus->getErrorsByType( 'error' ) ) { |
| 1626 | $newStatus->fatal( 'unknownerror-nocode' ); |
| 1627 | } |
| 1628 | $status = $newStatus; |
| 1629 | } |
| 1630 | |
| 1631 | $this->addBlockInfoToStatus( $status ); |
| 1632 | |
| 1633 | throw new ApiUsageException( $this, $status ); |
| 1634 | } |
| 1635 | |
| 1636 | /** |
| 1637 | * Helper function for readonly errors. |
| 1638 | * |
| 1639 | * @throws ApiUsageException always |
| 1640 | * @return never |
| 1641 | */ |
| 1642 | public function dieReadOnly() { |
| 1643 | $this->dieWithError( |
| 1644 | 'apierror-readonly', |
| 1645 | 'readonly', |
| 1646 | [ 'readonlyreason' => MediaWikiServices::getInstance()->getReadOnlyMode()->getReason() ] |
| 1647 | ); |
| 1648 | } |
| 1649 | |
| 1650 | /** |
| 1651 | * Helper function for permission-denied errors. |
| 1652 | * |
| 1653 | * @since 1.29 |
| 1654 | * @param string|string[] $rights |
| 1655 | * @throws ApiUsageException if the user doesn't have any of the rights. |
| 1656 | * The error message is based on $rights[0]. |
| 1657 | */ |
| 1658 | public function checkUserRightsAny( $rights ) { |
| 1659 | $rights = (array)$rights; |
| 1660 | if ( !$this->getAuthority()->isAllowedAny( ...$rights ) ) { |
| 1661 | $this->dieWithError( [ 'apierror-permissiondenied', $this->msg( "action-{$rights[0]}" ) ] ); |
| 1662 | } |
| 1663 | } |
| 1664 | |
| 1665 | /** |
| 1666 | * Helper function for permission-denied errors. |
| 1667 | * |
| 1668 | * @param PageIdentity $pageIdentity |
| 1669 | * @param string|string[] $actions |
| 1670 | * @param array $options Additional options |
| 1671 | * - user: (User) User to use rather than $this->getUser(). |
| 1672 | * - autoblock: (bool, default false) Whether to spread autoblocks. |
| 1673 | * @phan-param array{user?:User,autoblock?:bool} $options |
| 1674 | * |
| 1675 | * @throws ApiUsageException if the user doesn't have all the necessary rights. |
| 1676 | * |
| 1677 | * @since 1.29 |
| 1678 | * @since 1.33 Changed the third parameter from $user to $options. |
| 1679 | * @since 1.36 deprecated passing LinkTarget as first parameter |
| 1680 | */ |
| 1681 | public function checkTitleUserPermissions( |
| 1682 | PageIdentity $pageIdentity, |
| 1683 | $actions, |
| 1684 | array $options = [] |
| 1685 | ) { |
| 1686 | $authority = $options['user'] ?? $this->getAuthority(); |
| 1687 | $status = new PermissionStatus(); |
| 1688 | foreach ( (array)$actions as $action ) { |
| 1689 | if ( $this->isWriteMode() ) { |
| 1690 | $authority->authorizeWrite( $action, $pageIdentity, $status ); |
| 1691 | } else { |
| 1692 | $authority->authorizeRead( $action, $pageIdentity, $status ); |
| 1693 | } |
| 1694 | } |
| 1695 | if ( !$status->isGood() ) { |
| 1696 | if ( !empty( $options['autoblock'] ) ) { |
| 1697 | $this->getUser()->spreadAnyEditBlock(); |
| 1698 | } |
| 1699 | $this->dieStatus( $status ); |
| 1700 | } |
| 1701 | } |
| 1702 | |
| 1703 | /** |
| 1704 | * Will only set a warning instead of failing if the global $wgDebugAPI |
| 1705 | * is set to true. |
| 1706 | * |
| 1707 | * Otherwise, it behaves exactly as self::dieWithError(). |
| 1708 | * |
| 1709 | * @since 1.29 |
| 1710 | * @param string|array|Message $msg |
| 1711 | * @param string|null $code |
| 1712 | * @param array|null $data |
| 1713 | * @param int|null $httpCode |
| 1714 | * @throws ApiUsageException |
| 1715 | */ |
| 1716 | public function dieWithErrorOrDebug( $msg, $code = null, $data = null, $httpCode = null ) { |
| 1717 | if ( $this->getConfig()->get( MainConfigNames::DebugAPI ) !== true ) { |
| 1718 | $this->dieWithError( $msg, $code, $data, $httpCode ?? 0 ); |
| 1719 | } else { |
| 1720 | $this->addWarning( $msg, $code, $data ); |
| 1721 | } |
| 1722 | } |
| 1723 | |
| 1724 | /** |
| 1725 | * Parse the 'continue' parameter in the usual format and validate the types of each part, |
| 1726 | * or die with the 'badcontinue' error if the format, types, or the number of parts is wrong. |
| 1727 | * |
| 1728 | * @param string $continue Value of 'continue' parameter obtained from extractRequestParams() |
| 1729 | * @param string[] $types Types of the expected parts in order, 'string', 'int' or 'timestamp' |
| 1730 | * @return mixed[] Array containing strings, integers or timestamps |
| 1731 | * @throws ApiUsageException |
| 1732 | * @since 1.40 |
| 1733 | */ |
| 1734 | protected function parseContinueParamOrDie( string $continue, array $types ): array { |
| 1735 | $cont = explode( '|', $continue ); |
| 1736 | $this->dieContinueUsageIf( count( $cont ) != count( $types ) ); |
| 1737 | |
| 1738 | foreach ( $cont as $i => &$value ) { |
| 1739 | switch ( $types[$i] ) { |
| 1740 | case 'string': |
| 1741 | // Do nothing |
| 1742 | break; |
| 1743 | case 'int': |
| 1744 | $this->dieContinueUsageIf( $value !== (string)(int)$value ); |
| 1745 | $value = (int)$value; |
| 1746 | break; |
| 1747 | case 'timestamp': |
| 1748 | try { |
| 1749 | $dbTs = $this->getDB()->timestamp( $value ); |
| 1750 | } catch ( TimestampException $ex ) { |
| 1751 | $dbTs = false; |
| 1752 | } |
| 1753 | $this->dieContinueUsageIf( $value !== $dbTs ); |
| 1754 | break; |
| 1755 | default: |
| 1756 | throw new InvalidArgumentException( "Unknown type '{$types[$i]}'" ); |
| 1757 | } |
| 1758 | } |
| 1759 | |
| 1760 | return $cont; |
| 1761 | } |
| 1762 | |
| 1763 | /** |
| 1764 | * Die with the 'badcontinue' error. |
| 1765 | * |
| 1766 | * This call is common enough to make it into the base method. |
| 1767 | * |
| 1768 | * @param bool $condition Will only die if this value is true |
| 1769 | * @throws ApiUsageException |
| 1770 | * @since 1.21 |
| 1771 | * @phan-assert-false-condition $condition |
| 1772 | */ |
| 1773 | protected function dieContinueUsageIf( $condition ) { |
| 1774 | if ( $condition ) { |
| 1775 | $this->dieWithError( 'apierror-badcontinue' ); |
| 1776 | } |
| 1777 | } |
| 1778 | |
| 1779 | /** |
| 1780 | * Internal code errors should be reported with this method. |
| 1781 | * |
| 1782 | * @param string $method Method or function name |
| 1783 | * @param string $message Error message |
| 1784 | * @return never |
| 1785 | */ |
| 1786 | protected static function dieDebug( $method, $message ) { |
| 1787 | throw new MWException( "Internal error in $method: $message" ); |
| 1788 | } |
| 1789 | |
| 1790 | /** |
| 1791 | * Write logging information for API features to a debug log, for usage |
| 1792 | * analysis. |
| 1793 | * |
| 1794 | * @note Consider using $this->addDeprecation() instead to both warn and log. |
| 1795 | * @param string $feature Feature being used. |
| 1796 | */ |
| 1797 | public function logFeatureUsage( $feature ) { |
| 1798 | static $loggedFeatures = []; |
| 1799 | |
| 1800 | // Only log each feature once per request. We can get multiple calls from calls to |
| 1801 | // extractRequestParams() with different values for 'parseLimit', for example. |
| 1802 | if ( isset( $loggedFeatures[$feature] ) ) { |
| 1803 | return; |
| 1804 | } |
| 1805 | $loggedFeatures[$feature] = true; |
| 1806 | |
| 1807 | $request = $this->getRequest(); |
| 1808 | $ctx = [ |
| 1809 | 'feature' => $feature, |
| 1810 | // Replace spaces with underscores in 'username' for historical reasons. |
| 1811 | 'username' => str_replace( ' ', '_', $this->getUser()->getName() ), |
| 1812 | 'clientip' => $request->getIP(), |
| 1813 | 'referer' => (string)$request->getHeader( 'Referer' ), |
| 1814 | 'agent' => $this->getMain()->getUserAgent(), |
| 1815 | ]; |
| 1816 | |
| 1817 | // Text string is deprecated. Remove (or replace with just $feature) in MW 1.34. |
| 1818 | $s = '"' . addslashes( $ctx['feature'] ) . '"' . |
| 1819 | ' "' . wfUrlencode( $ctx['username'] ) . '"' . |
| 1820 | ' "' . $ctx['clientip'] . '"' . |
| 1821 | ' "' . addslashes( $ctx['referer'] ) . '"' . |
| 1822 | ' "' . addslashes( $ctx['agent'] ) . '"'; |
| 1823 | |
| 1824 | wfDebugLog( 'api-feature-usage', $s, 'private', $ctx ); |
| 1825 | } |
| 1826 | |
| 1827 | // endregion -- end of warning and error reporting |
| 1828 | |
| 1829 | /***************************************************************************/ |
| 1830 | // region Help message generation |
| 1831 | /** @name Help message generation */ |
| 1832 | |
| 1833 | /** |
| 1834 | * Return the summary message. |
| 1835 | * |
| 1836 | * This is a one-line description of the module, suitable for display in a |
| 1837 | * list of modules. |
| 1838 | * |
| 1839 | * @since 1.30 |
| 1840 | * @stable to override |
| 1841 | * @return string|array|Message |
| 1842 | */ |
| 1843 | protected function getSummaryMessage() { |
| 1844 | return "apihelp-{$this->getModulePath()}-summary"; |
| 1845 | } |
| 1846 | |
| 1847 | /** |
| 1848 | * Return the extended help text message. |
| 1849 | * |
| 1850 | * This is additional text to display at the top of the help section, below |
| 1851 | * the summary. |
| 1852 | * |
| 1853 | * @since 1.30 |
| 1854 | * @stable to override |
| 1855 | * @return string|array|Message |
| 1856 | */ |
| 1857 | protected function getExtendedDescription() { |
| 1858 | return [ [ |
| 1859 | "apihelp-{$this->getModulePath()}-extended-description", |
| 1860 | 'api-help-no-extended-description', |
| 1861 | ] ]; |
| 1862 | } |
| 1863 | |
| 1864 | /** |
| 1865 | * Get the final module summary |
| 1866 | * |
| 1867 | * @since 1.30 |
| 1868 | * @stable to override |
| 1869 | * @return Message |
| 1870 | */ |
| 1871 | public function getFinalSummary() { |
| 1872 | return self::makeMessage( $this->getSummaryMessage(), $this->getContext(), [ |
| 1873 | $this->getModulePrefix(), |
| 1874 | $this->getModuleName(), |
| 1875 | $this->getModulePath(), |
| 1876 | ] ); |
| 1877 | } |
| 1878 | |
| 1879 | /** |
| 1880 | * Get the final module description, after hooks have had a chance to tweak it as |
| 1881 | * needed. |
| 1882 | * |
| 1883 | * @since 1.25, returns Message[] rather than string[] |
| 1884 | * @return Message[] |
| 1885 | */ |
| 1886 | public function getFinalDescription() { |
| 1887 | $summary = self::makeMessage( $this->getSummaryMessage(), $this->getContext(), [ |
| 1888 | $this->getModulePrefix(), |
| 1889 | $this->getModuleName(), |
| 1890 | $this->getModulePath(), |
| 1891 | ] ); |
| 1892 | $extendedDescription = self::makeMessage( |
| 1893 | $this->getExtendedDescription(), $this->getContext(), [ |
| 1894 | $this->getModulePrefix(), |
| 1895 | $this->getModuleName(), |
| 1896 | $this->getModulePath(), |
| 1897 | ] |
| 1898 | ); |
| 1899 | |
| 1900 | $msgs = [ $summary, $extendedDescription ]; |
| 1901 | |
| 1902 | $this->getHookRunner()->onAPIGetDescriptionMessages( $this, $msgs ); |
| 1903 | |
| 1904 | return $msgs; |
| 1905 | } |
| 1906 | |
| 1907 | /** |
| 1908 | * Get the final list of parameters, after hooks have had a chance to |
| 1909 | * tweak it as needed. |
| 1910 | * |
| 1911 | * @param int $flags Zero or more flags like GET_VALUES_FOR_HELP |
| 1912 | * @return array |
| 1913 | * @since 1.21 $flags param added |
| 1914 | */ |
| 1915 | public function getFinalParams( $flags = 0 ) { |
| 1916 | // @phan-suppress-next-line PhanParamTooMany |
| 1917 | $params = $this->getAllowedParams( $flags ); |
| 1918 | if ( !$params ) { |
| 1919 | $params = []; |
| 1920 | } |
| 1921 | |
| 1922 | if ( $this->needsToken() ) { |
| 1923 | $params['token'] = [ |
| 1924 | ParamValidator::PARAM_TYPE => 'string', |
| 1925 | ParamValidator::PARAM_REQUIRED => true, |
| 1926 | ParamValidator::PARAM_SENSITIVE => true, |
| 1927 | self::PARAM_HELP_MSG => [ |
| 1928 | 'api-help-param-token', |
| 1929 | $this->needsToken(), |
| 1930 | ], |
| 1931 | ] + ( $params['token'] ?? [] ); |
| 1932 | } |
| 1933 | |
| 1934 | $this->getHookRunner()->onAPIGetAllowedParams( $this, $params, $flags ); |
| 1935 | |
| 1936 | return $params; |
| 1937 | } |
| 1938 | |
| 1939 | /** |
| 1940 | * Get final parameter descriptions, after hooks have had a chance to tweak it as |
| 1941 | * needed. |
| 1942 | * |
| 1943 | * @since 1.25, returns array of Message[] rather than array of string[] |
| 1944 | * @return array Keys are parameter names, values are arrays of Message objects |
| 1945 | */ |
| 1946 | public function getFinalParamDescription() { |
| 1947 | $prefix = $this->getModulePrefix(); |
| 1948 | $name = $this->getModuleName(); |
| 1949 | $path = $this->getModulePath(); |
| 1950 | |
| 1951 | $params = $this->getFinalParams( self::GET_VALUES_FOR_HELP ); |
| 1952 | $msgs = []; |
| 1953 | foreach ( $params as $param => $settings ) { |
| 1954 | if ( !is_array( $settings ) ) { |
| 1955 | $settings = []; |
| 1956 | } |
| 1957 | |
| 1958 | $msg = $settings[self::PARAM_HELP_MSG] |
| 1959 | ?? $this->msg( [ "apihelp-$path-param-$param", 'api-help-param-no-description' ] ); |
| 1960 | $msg = self::makeMessage( $msg, $this->getContext(), |
| 1961 | [ $prefix, $param, $name, $path ] ); |
| 1962 | if ( !$msg ) { |
| 1963 | self::dieDebug( __METHOD__, |
| 1964 | 'Value in ApiBase::PARAM_HELP_MSG is not valid' ); |
| 1965 | } |
| 1966 | $msgs[$param] = [ $msg ]; |
| 1967 | |
| 1968 | if ( isset( $settings[ParamValidator::PARAM_TYPE] ) && |
| 1969 | $settings[ParamValidator::PARAM_TYPE] === 'submodule' |
| 1970 | ) { |
| 1971 | if ( isset( $settings[SubmoduleDef::PARAM_SUBMODULE_MAP] ) ) { |
| 1972 | $map = $settings[SubmoduleDef::PARAM_SUBMODULE_MAP]; |
| 1973 | } else { |
| 1974 | $prefix = $this->isMain() ? '' : ( $this->getModulePath() . '+' ); |
| 1975 | $map = []; |
| 1976 | foreach ( $this->getModuleManager()->getNames( $param ) as $submoduleName ) { |
| 1977 | $map[$submoduleName] = $prefix . $submoduleName; |
| 1978 | } |
| 1979 | } |
| 1980 | |
| 1981 | $submodules = []; |
| 1982 | $submoduleFlags = []; // for sorting: higher flags are sorted later |
| 1983 | $submoduleNames = []; // for sorting: lexicographical, ascending |
| 1984 | foreach ( $map as $v => $m ) { |
| 1985 | $isDeprecated = false; |
| 1986 | $isInternal = false; |
| 1987 | $summary = null; |
| 1988 | try { |
| 1989 | $submod = $this->getModuleFromPath( $m ); |
| 1990 | if ( $submod ) { |
| 1991 | $summary = $submod->getFinalSummary(); |
| 1992 | $isDeprecated = $submod->isDeprecated(); |
| 1993 | $isInternal = $submod->isInternal(); |
| 1994 | } |
| 1995 | } catch ( ApiUsageException $ex ) { |
| 1996 | // Ignore |
| 1997 | } |
| 1998 | if ( $summary ) { |
| 1999 | $key = $summary->getKey(); |
| 2000 | $params = $summary->getParams(); |
| 2001 | } else { |
| 2002 | $key = 'api-help-undocumented-module'; |
| 2003 | $params = [ $m ]; |
| 2004 | } |
| 2005 | $m = new ApiHelpParamValueMessage( |
| 2006 | "[[Special:ApiHelp/$m|$v]]", |
| 2007 | $key, |
| 2008 | $params, |
| 2009 | $isDeprecated, |
| 2010 | $isInternal |
| 2011 | ); |
| 2012 | $submodules[] = $m->setContext( $this->getContext() ); |
| 2013 | $submoduleFlags[] = ( $isDeprecated ? 1 : 0 ) | ( $isInternal ? 2 : 0 ); |
| 2014 | $submoduleNames[] = $v; |
| 2015 | } |
| 2016 | // sort $submodules by $submoduleFlags and $submoduleNames |
| 2017 | array_multisort( $submoduleFlags, $submoduleNames, $submodules ); |
| 2018 | $msgs[$param] = array_merge( $msgs[$param], $submodules ); |
| 2019 | } elseif ( isset( $settings[self::PARAM_HELP_MSG_PER_VALUE] ) ) { |
| 2020 | if ( !is_array( $settings[self::PARAM_HELP_MSG_PER_VALUE] ) ) { |
| 2021 | self::dieDebug( __METHOD__, |
| 2022 | 'ApiBase::PARAM_HELP_MSG_PER_VALUE is not valid' ); |
| 2023 | } |
| 2024 | $isArrayOfStrings = is_array( $settings[ParamValidator::PARAM_TYPE] ) |
| 2025 | || ( |
| 2026 | $settings[ParamValidator::PARAM_TYPE] === 'string' |
| 2027 | && ( $settings[ParamValidator::PARAM_ISMULTI] ?? false ) |
| 2028 | ); |
| 2029 | if ( !$isArrayOfStrings ) { |
| 2030 | self::dieDebug( __METHOD__, |
| 2031 | 'ApiBase::PARAM_HELP_MSG_PER_VALUE may only be used when ' . |
| 2032 | 'ParamValidator::PARAM_TYPE is an array or it is \'string\' and ' . |
| 2033 | 'ParamValidator::PARAM_ISMULTI is true' ); |
| 2034 | } |
| 2035 | |
| 2036 | $values = is_array( $settings[ParamValidator::PARAM_TYPE] ) ? |
| 2037 | $settings[ParamValidator::PARAM_TYPE] : |
| 2038 | array_keys( $settings[self::PARAM_HELP_MSG_PER_VALUE] ); |
| 2039 | $valueMsgs = $settings[self::PARAM_HELP_MSG_PER_VALUE]; |
| 2040 | $deprecatedValues = $settings[EnumDef::PARAM_DEPRECATED_VALUES] ?? []; |
| 2041 | |
| 2042 | foreach ( $values as $value ) { |
| 2043 | $msg = $valueMsgs[$value] ?? "apihelp-$path-paramvalue-$param-$value"; |
| 2044 | $m = self::makeMessage( $msg, $this->getContext(), |
| 2045 | [ $prefix, $param, $name, $path, $value ] ); |
| 2046 | if ( $m ) { |
| 2047 | $m = new ApiHelpParamValueMessage( |
| 2048 | $value, |
| 2049 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal |
| 2050 | [ $m->getKey(), 'api-help-param-no-description' ], |
| 2051 | $m->getParams(), |
| 2052 | isset( $deprecatedValues[$value] ) |
| 2053 | ); |
| 2054 | $msgs[$param][] = $m->setContext( $this->getContext() ); |
| 2055 | } else { |
| 2056 | self::dieDebug( __METHOD__, |
| 2057 | "Value in ApiBase::PARAM_HELP_MSG_PER_VALUE for $value is not valid" ); |
| 2058 | } |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | if ( isset( $settings[self::PARAM_HELP_MSG_APPEND] ) ) { |
| 2063 | if ( !is_array( $settings[self::PARAM_HELP_MSG_APPEND] ) ) { |
| 2064 | self::dieDebug( __METHOD__, |
| 2065 | 'Value for ApiBase::PARAM_HELP_MSG_APPEND is not an array' ); |
| 2066 | } |
| 2067 | foreach ( $settings[self::PARAM_HELP_MSG_APPEND] as $m ) { |
| 2068 | $m = self::makeMessage( $m, $this->getContext(), |
| 2069 | [ $prefix, $param, $name, $path ] ); |
| 2070 | if ( $m ) { |
| 2071 | $msgs[$param][] = $m; |
| 2072 | } else { |
| 2073 | self::dieDebug( __METHOD__, |
| 2074 | 'Value in ApiBase::PARAM_HELP_MSG_APPEND is not valid' ); |
| 2075 | } |
| 2076 | } |
| 2077 | } |
| 2078 | } |
| 2079 | |
| 2080 | $this->getHookRunner()->onAPIGetParamDescriptionMessages( $this, $msgs ); |
| 2081 | |
| 2082 | return $msgs; |
| 2083 | } |
| 2084 | |
| 2085 | /** |
| 2086 | * Generates the list of flags for the help screen and for action=paraminfo. |
| 2087 | * |
| 2088 | * Corresponding messages: api-help-flag-deprecated, |
| 2089 | * api-help-flag-internal, api-help-flag-readrights, |
| 2090 | * api-help-flag-writerights, api-help-flag-mustbeposted |
| 2091 | * |
| 2092 | * @return string[] |
| 2093 | */ |
| 2094 | protected function getHelpFlags() { |
| 2095 | $flags = []; |
| 2096 | |
| 2097 | if ( $this->isDeprecated() ) { |
| 2098 | $flags[] = 'deprecated'; |
| 2099 | } |
| 2100 | if ( $this->isInternal() ) { |
| 2101 | $flags[] = 'internal'; |
| 2102 | } |
| 2103 | if ( $this->isReadMode() ) { |
| 2104 | $flags[] = 'readrights'; |
| 2105 | } |
| 2106 | if ( $this->isWriteMode() ) { |
| 2107 | $flags[] = 'writerights'; |
| 2108 | } |
| 2109 | if ( $this->mustBePosted() ) { |
| 2110 | $flags[] = 'mustbeposted'; |
| 2111 | } |
| 2112 | |
| 2113 | return $flags; |
| 2114 | } |
| 2115 | |
| 2116 | /** |
| 2117 | * Returns information about the source of this module, if known |
| 2118 | * |
| 2119 | * Returned array is an array with the following keys: |
| 2120 | * - path: Install path |
| 2121 | * - name: Extension name, or "MediaWiki" for core |
| 2122 | * - namemsg: (optional) i18n message key for a display name |
| 2123 | * - license-name: (optional) Name of license |
| 2124 | * |
| 2125 | * @return array|null |
| 2126 | */ |
| 2127 | protected function getModuleSourceInfo() { |
| 2128 | if ( $this->mModuleSource !== false ) { |
| 2129 | return $this->mModuleSource; |
| 2130 | } |
| 2131 | |
| 2132 | // First, try to find where the module comes from... |
| 2133 | $rClass = new ReflectionClass( $this ); |
| 2134 | $path = $rClass->getFileName(); |
| 2135 | if ( !$path ) { |
| 2136 | // No path known? |
| 2137 | $this->mModuleSource = null; |
| 2138 | return null; |
| 2139 | } |
| 2140 | $path = realpath( $path ) ?: $path; |
| 2141 | |
| 2142 | // Build a map of extension directories to extension info |
| 2143 | if ( self::$extensionInfo === null ) { |
| 2144 | $extDir = $this->getConfig()->get( MainConfigNames::ExtensionDirectory ); |
| 2145 | $baseDir = $this->getConfig()->get( MainConfigNames::BaseDirectory ); |
| 2146 | self::$extensionInfo = [ |
| 2147 | realpath( __DIR__ ) ?: __DIR__ => [ |
| 2148 | 'path' => $baseDir, |
| 2149 | 'name' => 'MediaWiki', |
| 2150 | 'license-name' => 'GPL-2.0-or-later', |
| 2151 | ], |
| 2152 | realpath( "$baseDir/extensions" ) ?: "$baseDir/extensions" => null, |
| 2153 | realpath( $extDir ) ?: $extDir => null, |
| 2154 | ]; |
| 2155 | $keep = [ |
| 2156 | 'path' => null, |
| 2157 | 'name' => null, |
| 2158 | 'namemsg' => null, |
| 2159 | 'license-name' => null, |
| 2160 | ]; |
| 2161 | $credits = SpecialVersion::getCredits( ExtensionRegistry::getInstance(), $this->getConfig() ); |
| 2162 | foreach ( $credits as $group ) { |
| 2163 | foreach ( $group as $ext ) { |
| 2164 | if ( !isset( $ext['path'] ) || !isset( $ext['name'] ) ) { |
| 2165 | // This shouldn't happen, but does anyway. |
| 2166 | continue; |
| 2167 | } |
| 2168 | |
| 2169 | $extpath = $ext['path']; |
| 2170 | if ( !is_dir( $extpath ) ) { |
| 2171 | $extpath = dirname( $extpath ); |
| 2172 | } |
| 2173 | self::$extensionInfo[realpath( $extpath ) ?: $extpath] = |
| 2174 | array_intersect_key( $ext, $keep ); |
| 2175 | } |
| 2176 | } |
| 2177 | } |
| 2178 | |
| 2179 | // Now traverse parent directories until we find a match or run out of parents. |
| 2180 | do { |
| 2181 | if ( array_key_exists( $path, self::$extensionInfo ) ) { |
| 2182 | // Found it! |
| 2183 | $this->mModuleSource = self::$extensionInfo[$path]; |
| 2184 | return $this->mModuleSource; |
| 2185 | } |
| 2186 | |
| 2187 | $oldpath = $path; |
| 2188 | $path = dirname( $path ); |
| 2189 | } while ( $path !== $oldpath ); |
| 2190 | |
| 2191 | // No idea what extension this might be. |
| 2192 | $this->mModuleSource = null; |
| 2193 | return null; |
| 2194 | } |
| 2195 | |
| 2196 | /** |
| 2197 | * Called from ApiHelp before the pieces are joined together and returned. |
| 2198 | * |
| 2199 | * This exists mainly for ApiMain to add the Permissions and Credits |
| 2200 | * sections. Other modules probably don't need it. |
| 2201 | * |
| 2202 | * @stable to override |
| 2203 | * @param string[] &$help Array of help data |
| 2204 | * @param array $options Options passed to ApiHelp::getHelp |
| 2205 | * @param array &$tocData If a TOC is being generated, this array has keys |
| 2206 | * as anchors in the page and values as for SectionMetadata::fromLegacy(). |
| 2207 | */ |
| 2208 | public function modifyHelp( array &$help, array $options, array &$tocData ) { |
| 2209 | } |
| 2210 | |
| 2211 | // endregion -- end of help message generation |
| 2212 | |
| 2213 | } |
| 2214 | |
| 2215 | /* |
| 2216 | * This file uses VisualStudio style region/endregion fold markers which are |
| 2217 | * recognised by PHPStorm. If modelines are enabled, the following editor |
| 2218 | * configuration will also enable folding in vim, if it is in the last 5 lines |
| 2219 | * of the file. We also use "@name" which creates sections in Doxygen. |
| 2220 | * |
| 2221 | * vim: foldmarker=//\ region,//\ endregion foldmethod=marker |
| 2222 | */ |